/* roulang page: index */
:root {
            --color-charcoal: #0E1116;
            --color-orange: #E8431E;
            --color-gray-dark: #2A2E35;
            --color-bg: #F7F7F5;
            --color-text: #111214;
            --color-text-muted: #5C626B;
            --color-text-inverse: #F5F5F3;
            --color-border: #E2E4E0;
            --radius-card: 12px;
            --radius-btn: 6px;
            --radius-input: 6px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-base: 0.25s ease;
            --transition-fast: 0.2s ease;
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-num: 'Roboto', 'Inter', 'PingFang SC', sans-serif;
            --spacing-section: 80px;
            --spacing-mobile-section: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-title);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: var(--spacing-section) 0;
        }

        .section--charcoal {
            background: var(--color-charcoal);
            color: var(--color-text-inverse);
        }

        .section--white {
            background: #FFFFFF;
        }

        .section--bg {
            background: var(--color-bg);
        }

        .section--gray-dark {
            background: var(--color-gray-dark);
            color: var(--color-text-inverse);
        }

        .section__label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-orange);
            margin-bottom: 12px;
            border-left: 3px solid var(--color-orange);
            padding-left: 10px;
        }

        .section__title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
            color: inherit;
        }

        .section__desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text-muted);
            max-width: 720px;
            margin-bottom: 32px;
        }

        .section--charcoal .section__desc,
        .section--gray-dark .section__desc {
            color: rgba(245, 245, 243, 0.7);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 10px rgba(0, 0, 0, 0.04);
        }

        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .site-header__logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .site-header__logo:hover {
            color: var(--color-orange);
        }

        .site-header__logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--color-charcoal);
            color: #FFFFFF;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .site-header__nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .site-header__nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: 6px;
            position: relative;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .site-header__nav a:hover {
            color: var(--color-orange);
            background: rgba(232, 67, 30, 0.06);
        }

        .site-header__nav a.active {
            color: var(--color-orange);
            font-weight: 600;
        }

        .site-header__nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-orange);
            border-radius: 2px;
        }

        .site-header__actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .location-trigger {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            background: var(--color-bg);
            border-radius: 6px;
            transition: background-color var(--transition-fast), color var(--transition-fast);
            position: relative;
            border: 1px solid transparent;
        }

        .location-trigger:hover {
            background: rgba(232, 67, 30, 0.06);
            color: var(--color-orange);
            border-color: rgba(232, 67, 30, 0.2);
        }

        .location-trigger .fa-location-dot {
            color: var(--color-orange);
            font-size: 15px;
        }

        .location-panel {
            position: absolute;
            top: calc(100% + 10px);
            right: 0;
            width: 220px;
            background: #FFFFFF;
            border-radius: 10px;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
            padding: 12px;
            display: none;
            z-index: 200;
            border: 1px solid var(--color-border);
        }

        .location-panel.is-visible {
            display: block;
            animation: fadeInDown 0.2s ease;
        }

        .location-panel__title {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            margin-bottom: 8px;
            padding: 0 6px;
        }

        .location-panel__grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6px;
        }

        .location-panel__city {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 10px;
            font-size: 14px;
            border-radius: 6px;
            color: var(--color-text);
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .location-panel__city:hover {
            background: var(--color-bg);
            color: var(--color-orange);
        }

        .location-panel__city .fa-circle-check {
            font-size: 12px;
            color: var(--color-orange);
            display: none;
        }

        .location-panel__city.is-active {
            background: rgba(232, 67, 30, 0.06);
            color: var(--color-orange);
            font-weight: 600;
        }

        .location-panel__city.is-active .fa-circle-check {
            display: inline;
        }

        .site-header__toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            background: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }

        .site-header__toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .site-header__toggle.is-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .site-header__toggle.is-open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .site-header__toggle.is-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            overflow: hidden;
            height: 0;
            transition: height 0.3s ease;
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
        }

        .mobile-nav.is-open {
            height: auto;
        }

        .mobile-nav__inner {
            padding: 16px 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav a {
            display: flex;
            align-items: center;
            padding: 12px 14px;
            font-size: 16px;
            font-weight: 500;
            border-radius: 8px;
            color: var(--color-text);
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: rgba(232, 67, 30, 0.06);
            color: var(--color-orange);
        }

        .mobile-nav a.active {
            font-weight: 600;
            border-left: 3px solid var(--color-orange);
            padding-left: 20px;
        }

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            line-height: 1.4;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(232, 67, 30, 0.4);
            outline-offset: 2px;
        }

        .btn--primary {
            background: var(--color-orange);
            color: #FFFFFF;
            box-shadow: 0 2px 12px rgba(232, 67, 30, 0.28);
        }

        .btn--primary:hover {
            background: #C93616;
            box-shadow: 0 4px 18px rgba(232, 67, 30, 0.4);
            transform: translateY(-1px);
            color: #FFFFFF;
        }

        .btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 1px 6px rgba(232, 67, 30, 0.25);
        }

        .btn--secondary {
            background: transparent;
            color: var(--color-text);
            border: 1px solid var(--color-border);
        }

        .btn--secondary:hover {
            border-color: var(--color-orange);
            color: var(--color-orange);
            background: rgba(232, 67, 30, 0.04);
        }

        .btn--inverse-outline {
            background: transparent;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .btn--inverse-outline:hover {
            border-color: var(--color-orange);
            color: var(--color-orange);
            background: rgba(232, 67, 30, 0.1);
        }

        .btn--light {
            background: #FFFFFF;
            color: var(--color-charcoal);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .btn--light:hover {
            background: #F0F0ED;
            color: var(--color-orange);
            transform: translateY(-1px);
        }

        .btn--sm {
            padding: 8px 16px;
            font-size: 14px;
        }

        .btn--lg {
            padding: 16px 32px;
            font-size: 16px;
            border-radius: 8px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: var(--color-charcoal);
            color: var(--color-text-inverse);
            overflow: hidden;
            padding: 80px 0 100px;
        }

        .hero__bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/8adda099f57ce36d.webp') center / cover no-repeat;
            opacity: 0.3;
            z-index: 0;
        }

        .hero__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 17, 22, 0.92) 0%, rgba(14, 17, 22, 0.65) 50%, rgba(14, 17, 22, 0.4) 100%);
            z-index: 1;
        }

        .hero__container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 56px;
            align-items: center;
        }

        .hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background: rgba(232, 67, 30, 0.14);
            border: 1px solid rgba(232, 67, 30, 0.35);
            color: var(--color-orange);
            font-size: 13px;
            font-weight: 600;
            border-radius: 100px;
            letter-spacing: 0.04em;
            margin-bottom: 24px;
        }

        .hero__badge .fa-bolt {
            font-size: 12px;
        }

        .hero__title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.22;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: #FFFFFF;
        }

        .hero__title .text-highlight {
            color: var(--color-orange);
        }

        .hero__desc {
            font-size: 16px;
            line-height: 1.9;
            color: rgba(245, 245, 243, 0.8);
            max-width: 560px;
            margin-bottom: 32px;
        }

        .hero__cta-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .hero__points {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hero__points li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(245, 245, 243, 0.85);
            font-weight: 500;
        }

        .hero__points li .fa-check {
            color: var(--color-orange);
            font-size: 13px;
        }

        .hero__visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .countdown-ring-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
        }

        .countdown-ring {
            position: relative;
            width: 200px;
            height: 200px;
        }

        .countdown-ring__svg {
            transform: rotate(-90deg);
            width: 100%;
            height: 100%;
        }

        .countdown-ring__track {
            fill: none;
            stroke: rgba(245, 245, 243, 0.12);
            stroke-width: 10;
        }

        .countdown-ring__progress {
            fill: none;
            stroke: var(--color-orange);
            stroke-width: 10;
            stroke-linecap: round;
            transition: stroke-dashoffset 1s ease;
        }

        .countdown-ring__center {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
        }

        .countdown-ring__value {
            font-family: var(--font-num);
            font-size: 44px;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1;
        }

        .countdown-ring__unit {
            font-size: 13px;
            color: rgba(245, 245, 243, 0.7);
            letter-spacing: 0.08em;
        }

        .countdown-ring__label {
            font-size: 14px;
            color: rgba(245, 245, 243, 0.6);
            letter-spacing: 0.06em;
        }

        /* ===== Section general ===== */
        .card-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .card-grid .grid-item {
            flex: 1 1 calc(33.333% - 14px);
            min-width: 280px;
            display: flex;
        }

        .card-grid--4 .grid-item {
            flex: 1 1 calc(25% - 16px);
            min-width: 240px;
        }

        .content-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            transition: all var(--transition-base);
            width: 100%;
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }

        .content-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-orange);
            opacity: 0;
            transition: opacity var(--transition-base);
            border-radius: 0 0 2px 2px;
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-orange);
        }

        .content-card:hover::before {
            opacity: 1;
        }

        .content-card__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            font-size: 18px;
            background: rgba(232, 67, 30, 0.08);
            color: var(--color-orange);
            margin-bottom: 4px;
            flex-shrink: 0;
        }

        .content-card__title {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-text);
        }

        .content-card__text {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text-muted);
            margin: 0;
        }

        .card-flat {
            background: transparent;
            border: none;
            box-shadow: none;
            padding: 0;
        }

        .card-flat:hover {
            transform: none;
            box-shadow: none;
            border-color: transparent;
        }

        /* ===== Section pain ===== */
        .pain-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .pain-item {
            flex: 1 1 calc(50% - 8px);
            min-width: 280px;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 20px 24px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: all var(--transition-base);
        }

        .pain-item:hover {
            border-color: var(--color-orange);
            box-shadow: var(--shadow-hover);
        }

        .pain-item__icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(232, 67, 30, 0.08);
            color: var(--color-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }

        .pain-item__title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .pain-item__text {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Solution alternating ===== */
        .solution-item {
            display: flex;
            align-items: center;
            gap: 40px;
            padding: 24px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .solution-item:last-child {
            border-bottom: none;
        }

        .solution-item__text {
            flex: 1;
        }

        .solution-item__title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .solution-item__desc {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0;
        }

        .solution-item__img-placeholder {
            flex-shrink: 0;
            width: 180px;
            height: 120px;
            border-radius: 10px;
            background: var(--color-gray-dark);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .solution-item__img-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.7;
            border-radius: 10px;
        }

        .solution-item__img-placeholder .fa {
            position: absolute;
            font-size: 28px;
            color: rgba(255, 255, 255, 0.5);
        }

        .solution-item--reverse {
            flex-direction: row-reverse;
        }

        /* ===== Steps ===== */
        .steps-list {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            counter-reset: step;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .steps-list__item {
            flex: 1 1 calc(33.333% - 14px);
            min-width: 260px;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            counter-increment: step;
            position: relative;
            transition: all var(--transition-base);
        }

        .steps-list__item:hover {
            border-color: var(--color-orange);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .steps-list__item::before {
            content: counter(step, decimal-leading-zero);
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 800;
            color: rgba(232, 67, 30, 0.14);
            display: block;
            margin-bottom: 8px;
            line-height: 1;
        }

        .steps-list__title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .steps-list__text {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Data stats ===== */
        .stats-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .stat-item {
            flex: 1 1 calc(25% - 16px);
            min-width: 200px;
            text-align: center;
            padding: 24px 16px;
            background: rgba(245, 245, 243, 0.05);
            border-radius: 10px;
            border: 1px solid rgba(245, 245, 243, 0.1);
            transition: all var(--transition-base);
        }

        .stat-item:hover {
            border-color: rgba(232, 67, 30, 0.5);
            background: rgba(232, 67, 30, 0.06);
        }

        .stat-item__number {
            font-family: var(--font-num);
            font-size: 44px;
            font-weight: 800;
            color: var(--color-orange);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-item__label {
            font-size: 14px;
            color: rgba(245, 245, 243, 0.7);
            font-weight: 500;
        }

        /* ===== Brand about ===== */
        .about-block {
            display: flex;
            gap: 40px;
            align-items: center;
        }

        .about-block__text {
            flex: 1;
        }

        .about-block__text p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text-muted);
            margin-bottom: 16px;
        }

        .about-block__text p:last-child {
            margin-bottom: 0;
        }

        .about-block__img {
            flex-shrink: 0;
            width: 280px;
            height: 180px;
            border-radius: 12px;
            background: var(--color-charcoal);
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .about-block__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.65;
            border-radius: 12px;
        }

        .about-block__img .fa {
            position: absolute;
            font-size: 36px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Category cards ===== */
        .category-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .category-card {
            flex: 1 1 calc(20% - 14px);
            min-width: 180px;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 18px;
            text-align: center;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-orange);
        }

        .category-card__icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--color-charcoal);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 4px;
            transition: background-color var(--transition-base);
        }

        .category-card:hover .category-card__icon {
            background: var(--color-orange);
        }

        .category-card__name {
            font-size: 16px;
            font-weight: 700;
        }

        .category-card__desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== Testimonials ===== */
        .testimonial-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .testimonial-item {
            flex: 1 1 calc(33.333% - 12px);
            min-width: 270px;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 24px;
            transition: all var(--transition-base);
        }

        .testimonial-item:hover {
            border-color: var(--color-orange);
            box-shadow: var(--shadow-hover);
        }

        .testimonial-item__text {
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-text);
            margin-bottom: 16px;
            position: relative;
            padding-left: 20px;
        }

        .testimonial-item__text::before {
            content: '\201C';
            position: absolute;
            left: 0;
            top: -4px;
            font-size: 32px;
            color: var(--color-orange);
            font-weight: 800;
            line-height: 1;
        }

        .testimonial-item__author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .testimonial-item__author .fa-user-circle {
            font-size: 18px;
            color: var(--color-gray-dark);
        }

        /* ===== Audience ===== */
        .audience-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .audience-item {
            flex: 1 1 calc(25% - 12px);
            min-width: 220px;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .audience-item:hover {
            border-color: var(--color-orange);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .audience-item__icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-bg);
            color: var(--color-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin: 0 auto 10px;
        }

        .audience-item__name {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .audience-item__desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== Article cards ===== */
        .article-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-orange);
        }

        .article-card__img {
            aspect-ratio: 16 / 9;
            background: var(--color-gray-dark);
            overflow: hidden;
            position: relative;
        }

        .article-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

        .article-card:hover .article-card__img img {
            transform: scale(1.04);
        }

        .article-card__body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .article-card__title {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .article-card:hover .article-card__title {
            color: var(--color-orange);
        }

        .article-card__excerpt {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-text-muted);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px solid var(--color-border);
        }

        .article-card__tag {
            display: inline-block;
            padding: 2px 8px;
            background: rgba(232, 67, 30, 0.08);
            color: var(--color-orange);
            border-radius: 4px;
            font-size: 11px;
            font-weight: 600;
        }

        /* ===== Data bars ===== */
        .data-bar-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .data-bar-item {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .data-bar-item__top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-inverse);
        }

        .data-bar-item__value {
            font-family: var(--font-num);
            color: var(--color-orange);
            font-weight: 700;
        }

        .data-bar-item__track {
            height: 8px;
            background: rgba(245, 245, 243, 0.12);
            border-radius: 100px;
            overflow: hidden;
        }

        .data-bar-item__fill {
            height: 100%;
            background: var(--color-orange);
            border-radius: 100px;
            transition: width 1.2s ease;
            width: 0;
        }

        /* ===== Topic cards ===== */
        .topic-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-orange);
        }

        .topic-card__img {
            aspect-ratio: 21 / 10;
            background: var(--color-gray-dark);
            overflow: hidden;
        }

        .topic-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

        .topic-card:hover .topic-card__img img {
            transform: scale(1.04);
        }

        .topic-card__body {
            padding: 20px 24px;
        }

        .topic-card__title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .topic-card__desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(232, 67, 30, 0.3);
        }

        .faq-item.is-open {
            border-color: var(--color-orange);
        }

        .faq-item__question {
            display: flex;
            align-items: center;
            width: 100%;
            gap: 12px;
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 600;
            text-align: left;
            color: var(--color-text);
            background: none;
            transition: color var(--transition-fast);
            justify-content: space-between;
        }

        .faq-item__question:hover {
            color: var(--color-orange);
        }

        .faq-item__question .fa-chevron-down {
            font-size: 13px;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.is-open .faq-item__question .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--color-orange);
        }

        .faq-item__answer {
            padding: 0 24px;
            height: 0;
            overflow: hidden;
            transition: height 0.28s ease, padding 0.28s ease;
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text-muted);
        }

        .faq-item.is-open .faq-item__answer {
            height: auto;
            padding: 0 24px 20px;
        }

        /* ===== Form ===== */
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin-top: 24px;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            padding: 14px 18px;
            font-size: 15px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-input);
            background: #FFFFFF;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            min-height: 48px;
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--color-orange);
            box-shadow: 0 0 0 3px rgba(232, 67, 30, 0.12);
        }

        .subscribe-form .btn {
            min-height: 48px;
            flex-shrink: 0;
        }

        /* ===== Tags ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .tag-cloud a {
            display: inline-block;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text);
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 100px;
            transition: all var(--transition-fast);
        }

        .tag-cloud a:hover {
            border-color: var(--color-orange);
            color: var(--color-orange);
            background: rgba(232, 67, 30, 0.04);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-charcoal);
            color: rgba(245, 245, 243, 0.75);
            padding: 48px 0 32px;
        }

        .site-footer__inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 32px;
        }

        .site-footer__brand {
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer__brand .fa {
            font-size: 18px;
            color: var(--color-orange);
        }

        .site-footer__tagline {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 300px;
        }

        .site-footer__nav {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .site-footer__nav a {
            font-size: 14px;
            color: rgba(245, 245, 243, 0.7);
            transition: color var(--transition-fast);
        }

        .site-footer__nav a:hover {
            color: var(--color-orange);
        }

        .site-footer__nav-title {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }

        .site-footer__bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(245, 245, 243, 0.12);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(245, 245, 243, 0.6);
        }

        .site-footer__bottom a {
            color: rgba(245, 245, 243, 0.7);
            transition: color var(--transition-fast);
        }

        .site-footer__bottom a:hover {
            color: var(--color-orange);
        }

        .site-footer__bottom-links {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--color-charcoal);
            color: #FFFFFF;
            padding: 64px 0;
            text-align: center;
        }

        .cta-section__title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .cta-section__desc {
            font-size: 15px;
            color: rgba(245, 245, 243, 0.7);
            max-width: 480px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        /* ===== Misc ===== */
        .text-highlight {
            color: var(--color-orange);
        }

        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero__container {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }

            .hero__desc {
                margin-left: auto;
                margin-right: auto;
            }

            .hero__cta-row {
                justify-content: center;
            }

            .hero__points {
                justify-content: center;
            }

            .hero__visual {
                justify-content: center;
            }

            .about-block {
                flex-direction: column;
                text-align: center;
            }

            .about-block__img {
                width: 100%;
                max-width: 400px;
            }

            .card-grid .grid-item {
                flex: 1 1 calc(50% - 10px);
            }

            .card-grid--4 .grid-item {
                flex: 1 1 calc(50% - 10px);
            }

            .category-card {
                flex: 1 1 calc(33.333% - 12px);
                min-width: 160px;
            }

            .audience-item {
                flex: 1 1 calc(50% - 8px);
            }

            .testimonial-item {
                flex: 1 1 calc(50% - 8px);
            }

            .steps-list__item {
                flex: 1 1 calc(50% - 10px);
            }

            .site-footer__inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
                --spacing-mobile-section: 36px;
            }

            .site-header__nav {
                display: none;
            }

            .site-header__toggle {
                display: flex;
            }

            .site-header__actions .location-trigger span {
                display: none;
            }

            .mobile-nav {
                display: block;
            }

            .hero {
                padding: 48px 0 60px;
            }

            .hero__title {
                font-size: 32px;
            }

            .hero__desc {
                font-size: 14px;
            }

            .countdown-ring {
                width: 150px;
                height: 150px;
            }

            .countdown-ring__value {
                font-size: 34px;
            }

            .card-grid .grid-item,
            .card-grid--4 .grid-item {
                flex: 1 1 100%;
                min-width: 100%;
            }

            .pain-item,
            .solution-item,
            .solution-item--reverse {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .solution-item__img-placeholder {
                width: 100%;
                max-width: 100%;
                height: 140px;
            }

            .steps-list__item,
            .stat-item,
            .audience-item,
            .testimonial-item,
            .category-card {
                flex: 1 1 100%;
                min-width: 100%;
            }

            .stat-item__number {
                font-size: 34px;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form .btn {
                width: 100%;
            }

            .site-footer__inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .site-footer__bottom {
                flex-direction: column;
                text-align: center;
            }

            .site-footer__bottom-links {
                flex-wrap: wrap;
                justify-content: center;
            }

            .section__title {
                font-size: 26px;
            }

            .about-block {
                text-align: left;
            }

            .about-block__img {
                width: 100%;
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .hero__title {
                font-size: 28px;
            }

            .hero__cta-row {
                flex-direction: column;
                gap: 10px;
            }

            .hero__cta-row .btn {
                width: 100%;
            }

            .section__title {
                font-size: 22px;
            }

            .section__desc {
                font-size: 14px;
            }

            .content-card {
                padding: 20px;
            }

            .location-panel {
                position: fixed;
                top: 72px;
                left: 16px;
                right: 16px;
                width: auto;
            }
        }

/* roulang page: category1 */
:root {
        --color-charcoal: #0E1116;
        --color-orange: #E8431E;
        --color-gray-dark: #2A2E35;
        --color-bg: #F7F7F5;
        --color-text: #111214;
        --color-text-muted: #5C626B;
        --color-text-inverse: #F5F5F3;
        --color-border: #E2E4E0;
        --radius-card: 12px;
        --radius-btn: 6px;
        --radius-input: 6px;
        --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
        --shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
        --transition-base: 0.25s ease;
        --transition-fast: 0.2s ease;
        --font-title: 'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
        --font-num: 'Roboto','Inter','PingFang SC',sans-serif;
        --spacing-section: 80px;
        --spacing-mobile-section: 48px;
    }
    :root {
        --spacing-section: 56px;
        --spacing-mobile-section: 36px;
    }
    /* roulang page: news */
    :root {
        --color-charcoal: #0E1116;
        --color-orange: #E8431E;
        --color-gray-dark: #2A2E35;
        --color-bg: #F7F7F5;
        --color-text: #111214;
        --color-text-muted: #5C626B;
        --color-text-inverse: #F5F5F3;
        --color-border: #E2E4E0;
        --radius-card: 12px;
        --radius-btn: 6px;
        --radius-input: 6px;
        --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
        --shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
        --transition-base: 0.25s ease;
        --transition-fast: 0.2s ease;
        --font-title: 'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
        --font-num: 'Roboto','Inter','PingFang SC',sans-serif;
        --spacing-section: 80px;
        --spacing-mobile-section: 48px;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font-title);
        font-size: 16px;
        line-height: 1.8;
        color: var(--color-text);
        background-color: var(--color-bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition-fast);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button,
    input {
        font-family: inherit;
        font-size: inherit;
        outline: none;
        border: none;
    }
    button {
        cursor: pointer;
        background: none;
    }
    .container-custom {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }
    .section {
        padding: var(--spacing-section) 0;
    }
    .section--charcoal {
        background: var(--color-charcoal);
        color: var(--color-text-inverse);
    }
    .section--white {
        background: #FFFFFF;
    }
    .section--bg {
        background: var(--color-bg);
    }
    .section--gray-dark {
        background: var(--color-gray-dark);
        color: var(--color-text-inverse);
    }
    .section__label {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--color-orange);
        margin-bottom: 12px;
        border-left: 3px solid var(--color-orange);
        padding-left: 10px;
    }
    .section__title {
        font-size: 34px;
        font-weight: 800;
        line-height: 1.25;
        margin-bottom: 16px;
        letter-spacing: -0.01em;
        color: inherit;
    }
    .section__desc {
        font-size: 16px;
        line-height: 1.85;
        color: var(--color-text-muted);
        max-width: 720px;
        margin-bottom: 32px;
    }
    .section--charcoal .section__desc,
    .section--gray-dark .section__desc {
        color: rgba(245,245,243,0.7);
    }
    /* ===== Header / Nav ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: #FFFFFF;
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 1px 10px rgba(0,0,0,0.04);
    }
    .site-header__inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 64px;
        gap: 16px;
    }
    .site-header__logo {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-shrink: 0;
        font-weight: 800;
        font-size: 20px;
        letter-spacing: -0.02em;
        color: var(--color-text);
        transition: color var(--transition-fast);
    }
    .site-header__logo:hover {
        color: var(--color-orange);
    }
    .site-header__logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        background: var(--color-charcoal);
        color: #FFFFFF;
        border-radius: 8px;
        font-size: 16px;
        font-weight: 700;
        flex-shrink: 0;
    }
    .site-header__nav {
        display: flex;
        align-items: center;
        gap: 4px;
    }
    .site-header__nav a {
        display: inline-flex;
        align-items: center;
        padding: 8px 14px;
        font-size: 15px;
        font-weight: 500;
        color: var(--color-text);
        border-radius: 6px;
        position: relative;
        transition: color var(--transition-fast), background-color var(--transition-fast);
    }
    .site-header__nav a:hover {
        color: var(--color-orange);
        background: rgba(232,67,30,0.06);
    }
    .site-header__nav a.active {
        color: var(--color-orange);
        font-weight: 600;
    }
    .site-header__nav a.active::after {
        content: '';
        position: absolute;
        bottom: 4px;
        left: 14px;
        right: 14px;
        height: 2px;
        background: var(--color-orange);
        border-radius: 2px;
    }
    .site-header__actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .location-trigger {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 500;
        color: var(--color-text);
        padding: 8px 12px;
        border-radius: 6px;
        transition: background-color var(--transition-fast), color var(--transition-fast);
    }
    .location-trigger:hover {
        background: rgba(232,67,30,0.06);
        color: var(--color-orange);
    }
    .location-trigger .fa-location-dot {
        color: var(--color-orange);
        font-size: 15px;
    }
    .location-panel {
        position: absolute;
        top: 64px;
        right: 0;
        background: #FFFFFF;
        border: 1px solid var(--color-border);
        border-radius: 8px;
        box-shadow: var(--shadow-hover);
        padding: 12px;
        min-width: 180px;
        display: none;
        z-index: 200;
    }
    .location-panel.is-open {
        display: block;
    }
    .location-panel__title {
        font-size: 13px;
        font-weight: 600;
        color: var(--color-text-muted);
        margin-bottom: 8px;
        padding: 0 6px;
    }
    .location-panel__grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }
    .location-panel__item {
        font-size: 14px;
        padding: 6px 10px;
        border-radius: 4px;
        color: var(--color-text);
        transition: background-color var(--transition-fast), color var(--transition-fast);
    }
    .location-panel__item:hover {
        background: rgba(232,67,30,0.06);
        color: var(--color-orange);
    }
    .nav-toggle {
        display: none;
        font-size: 22px;
        color: var(--color-text);
        padding: 4px;
    }
    /* ===== Page Hero (分类H1区) ===== */
    .page-hero {
        padding: 48px 0 40px;
        background: var(--color-charcoal);
        color: #fff;
    }
    .page-hero__inner {
        max-width: 720px;
    }
    .page-hero__title {
        font-size: 42px;
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: 16px;
        letter-spacing: -0.02em;
        color: #fff;
    }
    .page-hero__desc {
        font-size: 17px;
        line-height: 1.7;
        color: rgba(245,245,243,0.75);
    }
    /* ===== Breadcrumb ===== */
    .breadcrumb-section {
        background: #fff;
        padding: 16px 0;
        border-bottom: 1px solid var(--color-border);
    }
    .breadcrumb {
        font-size: 14px;
        color: var(--color-text-muted);
    }
    .breadcrumb a {
        color: var(--color-text-muted);
    }
    .breadcrumb a:hover {
        color: var(--color-orange);
    }
    .breadcrumb span {
        margin: 0 8px;
        color: #B0B5BC;
    }
    /* ===== Article List ===== */
    .article-list-section {
        background: #fff;
    }
    .article-card {
        display: flex;
        flex-direction: column;
        background: #fff;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        height: 100%;
    }
    .article-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: var(--color-orange);
    }
    .article-card__image {
        width: 100%;
        aspect-ratio: 16/10;
        object-fit: cover;
        background: #DDD;
    }
    .article-card__body {
        padding: 20px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }
    .article-card__tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        color: var(--color-orange);
        background: rgba(232,67,30,0.08);
        border-radius: 4px;
        padding: 2px 8px;
        margin-bottom: 10px;
        align-self: flex-start;
    }
    .article-card__title {
        font-size: 19px;
        font-weight: 700;
        line-height: 1.4;
        margin-bottom: 12px;
        color: var(--color-text);
        transition: color var(--transition-fast);
    }
    .article-card:hover .article-card__title {
        color: var(--color-orange);
    }
    .article-card__summary {
        font-size: 14px;
        line-height: 1.7;
        color: var(--color-text-muted);
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        flex: 1;
        margin-bottom: 16px;
    }
    .article-card__meta {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: #9A9EA5;
    }
    .meta-dot {
        width: 3px;
        height: 3px;
        background: #C0C4CA;
        border-radius: 50%;
    }
    .more-btn-row {
        margin-top: 32px;
        text-align: center;
    }
    .btn {
        display: inline-block;
        padding: 10px 24px;
        font-weight: 600;
        border-radius: var(--radius-btn);
        transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
        border: 1px solid transparent;
    }
    .btn-primary {
        background: var(--color-orange);
        color: #fff;
    }
    .btn-primary:hover {
        background: #C9371A;
        color: #fff;
    }
    .btn-outline {
        background: transparent;
        color: var(--color-text);
        border-color: #C9CDD2;
    }
    .btn-outline:hover {
        border-color: var(--color-orange);
        color: var(--color-orange);
    }
    /* ===== Category Intro ===== */
    .category-intro {
        background: var(--color-bg);
    }
    .category-intro__content {
        max-width: 760px;
    }
    .category-intro p {
        font-size: 16px;
        line-height: 1.9;
        color: var(--color-text-muted);
        margin-bottom: 16px;
    }
    /* ===== Hot Recommend ===== */
    .hot-recommend {
        background: #fff;
    }
    .hot-card {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 16px;
        background: #F9F9F7;
        border: 1px solid var(--color-border);
        border-radius: 8px;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        margin-bottom: 12px;
    }
    .hot-card:hover {
        border-color: var(--color-orange);
        box-shadow: var(--shadow-sm);
    }
    .hot-card__image {
        width: 64px;
        height: 64px;
        object-fit: cover;
        border-radius: 6px;
        flex-shrink: 0;
    }
    .hot-card__info {
        flex: 1;
    }
    .hot-card__title {
        font-size: 16px;
        font-weight: 600;
        line-height: 1.4;
        color: var(--color-text);
        transition: color var(--transition-fast);
        margin-bottom: 4px;
    }
    .hot-card:hover .hot-card__title {
        color: var(--color-orange);
    }
    .hot-card__meta {
        font-size: 13px;
        color: #9A9EA5;
    }
    /* ===== Data Heat ===== */
    .data-heat {
        background: var(--color-bg);
    }
    .data-heat__grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .data-heat__item {
        background: #fff;
        border-radius: 8px;
        padding: 24px 20px;
        text-align: center;
        border: 1px solid var(--color-border);
        transition: transform var(--transition-base), box-shadow var(--transition-base);
    }
    .data-heat__item:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-sm);
    }
    .data-heat__number {
        font-size: 34px;
        font-weight: 800;
        font-family: var(--font-num);
        color: var(--color-charcoal);
        line-height: 1.2;
        margin-bottom: 8px;
    }
    .data-heat__label {
        font-size: 14px;
        color: var(--color-text-muted);
        font-weight: 500;
    }
    /* ===== Subscribe CTA ===== */
    .subscribe-cta {
        background: var(--color-charcoal);
    }
    .subscribe-cta__inner {
        max-width: 560px;
        margin: 0 auto;
        text-align: center;
    }
    .subscribe-cta__title {
        font-size: 30px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 12px;
    }
    .subscribe-cta__desc {
        color: rgba(245,245,243,0.7);
        font-size: 15px;
        line-height: 1.7;
        margin-bottom: 24px;
    }
    .subscribe-form {
        display: flex;
        gap: 8px;
    }
    .subscribe-form input[type="email"] {
        flex: 1;
        padding: 10px 16px;
        border-radius: var(--radius-input);
        border: 1px solid #3A3F47;
        background: #1A1F24;
        color: #fff;
        font-size: 14px;
    }
    .subscribe-form input[type="email"]::placeholder {
        color: #5C626B;
    }
    .subscribe-form input[type="email"]:focus {
        border-color: var(--color-orange);
    }
    .subscribe-form .btn {
        flex-shrink: 0;
    }
    /* ===== Related Tags ===== */
    .related-tags {
        background: #fff;
    }
    .tags-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    .tag-pill {
        display: inline-block;
        padding: 6px 14px;
        font-size: 14px;
        background: var(--color-bg);
        border: 1px solid var(--color-border);
        border-radius: 20px;
        color: var(--color-text-muted);
        transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
    }
    .tag-pill:hover {
        border-color: var(--color-orange);
        color: var(--color-orange);
        background: rgba(232,67,30,0.04);
    }
    .topic-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-top: 24px;
    }
    .topic-card {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 16px;
        background: var(--color-bg);
        border-radius: 8px;
        border: 1px solid var(--color-border);
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .topic-card:hover {
        border-color: var(--color-orange);
        box-shadow: var(--shadow-sm);
    }
    .topic-card__icon {
        width: 36px;
        height: 36px;
        border-radius: 8px;
        background: var(--color-charcoal);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }
    .topic-card__title {
        font-size: 16px;
        font-weight: 600;
        color: var(--color-text);
    }
    /* ===== Footer ===== */
    .site-footer {
        background: var(--color-charcoal);
        color: var(--color-text-inverse);
        padding: 40px 0 20px;
    }
    .site-footer__inner {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 32px;
    }
    .site-footer__brand {
        font-size: 20px;
        font-weight: 800;
        letter-spacing: -0.02em;
        margin-bottom: 12px;
        display: flex;
        align-items: center;
        gap: 8px;
        color: #fff;
    }
    .site-footer__tagline {
        font-size: 14px;
        color: rgba(245,245,243,0.6);
        line-height: 1.8;
    }
    .site-footer__nav-title {
        font-size: 14px;
        font-weight: 600;
        color: rgba(245,245,243,0.5);
        letter-spacing: 0.04em;
        margin-bottom: 12px;
    }
    .site-footer__nav {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .site-footer__nav li {
        margin-bottom: 8px;
    }
    .site-footer__nav a {
        color: rgba(245,245,243,0.7);
        font-size: 14px;
        transition: color var(--transition-fast);
    }
    .site-footer__nav a:hover {
        color: var(--color-orange);
    }
    .site-footer__bottom {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding-top: 20px;
        border-top: 1px solid rgba(245,245,243,0.08);
        font-size: 13px;
        color: rgba(245,245,243,0.5);
    }
    .site-footer__bottom-links {
        display: flex;
        gap: 8px;
        align-items: center;
    }
    .site-footer__bottom-links a {
        color: rgba(245,245,243,0.5);
    }
    .site-footer__bottom-links a:hover {
        color: var(--color-orange);
    }
    /* ===== Responsive ===== */
    @media screen and (max-width: 1024px) {
        .site-header__nav a {
            padding: 6px 10px;
            font-size: 14px;
        }
        .data-heat__grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media screen and (max-width: 768px) {
        .site-header__inner {
            height: 60px;
        }
        .site-header__nav {
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: #fff;
            flex-direction: column;
            align-items: stretch;
            padding: 16px 20px;
            gap: 0;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 8px 16px rgba(0,0,0,0.08);
            display: none;
            max-height: calc(100vh - 60px);
            overflow-y: auto;
        }
        .site-header__nav.is-open {
            display: flex;
        }
        .site-header__nav a {
            padding: 12px 8px;
            font-size: 16px;
            border-radius: 0;
        }
        .site-header__nav a.active::after {
            display: none;
        }
        .site-header__nav a.active {
            background: rgba(232,67,30,0.06);
        }
        .nav-toggle {
            display: block;
        }
        .location-trigger__text {
            display: none;
        }
        .page-hero__title {
            font-size: 32px;
        }
        .section__title {
            font-size: 28px;
        }
        .topic-grid {
            grid-template-columns: 1fr;
        }
        .site-footer__inner {
            grid-template-columns: 1fr;
            gap: 24px;
        }
    }
    @media screen and (max-width: 520px) {
        .data-heat__grid {
            grid-template-columns: 1fr;
        }
        .subscribe-form {
            flex-direction: column;
        }
        .subscribe-form .btn {
            width: 100%;
        }
    }

/* roulang page: category2 */
:root {
            --color-charcoal: #0E1116;
            --color-orange: #E8431E;
            --color-gray-dark: #2A2E35;
            --color-bg: #F7F7F5;
            --color-text: #111214;
            --color-text-muted: #5C626B;
            --color-text-inverse: #F5F5F3;
            --color-border: #E2E4E0;
            --radius-card: 12px;
            --radius-btn: 6px;
            --radius-input: 6px;
            --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
            --shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
            --transition-base: 0.25s ease;
            --transition-fast: 0.2s ease;
            --font-title: 'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
            --font-num: 'Roboto','Inter','PingFang SC',sans-serif;
            --spacing-section: 56px;
            --spacing-mobile-section: 36px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-title);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-base), transform var(--transition-base);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            line-height: 1.5;
        }

        button {
            cursor: pointer;
            background: none;
            padding: 0;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-title);
            font-weight: 800;
            color: inherit;
            margin: 0 0 0.5rem;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        h1 { font-size: 42px; }
        h2 { font-size: 32px; }
        h3 { font-size: 22px; }
        p { margin: 0 0 1rem; }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: var(--spacing-section) 0;
        }

        .section--charcoal {
            background: var(--color-charcoal);
            color: var(--color-text-inverse);
        }

        .section--white {
            background: #FFFFFF;
        }

        .section--bg {
            background: var(--color-bg);
        }

        .section--gray-dark {
            background: var(--color-gray-dark);
            color: var(--color-text-inverse);
        }

        .section__label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-orange);
            margin-bottom: 12px;
            border-left: 3px solid var(--color-orange);
            padding-left: 10px;
        }

        .section__title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
            color: inherit;
        }

        .section__desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text-muted);
            max-width: 720px;
            margin-bottom: 32px;
        }

        .section--charcoal .section__desc,
        .section--gray-dark .section__desc {
            color: rgba(245,245,243,0.7);
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 10px rgba(0,0,0,0.04);
        }

        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .site-header__logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .site-header__logo:hover {
            color: var(--color-orange);
        }

        .site-header__logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--color-charcoal);
            color: #FFFFFF;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .site-header__nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .site-header__nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: 6px;
            position: relative;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .site-header__nav a:hover {
            color: var(--color-orange);
            background: rgba(232,67,30,0.06);
        }

        .site-header__nav a.active {
            color: var(--color-orange);
            font-weight: 600;
        }

        .site-header__nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-orange);
            border-radius: 2px;
        }

        .site-header__actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .location-trigger {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-muted);
            padding: 6px 10px;
            border-radius: 6px;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .location-trigger:hover {
            color: var(--color-orange);
            background: rgba(232,67,30,0.06);
        }

        .location-trigger .fa-location-dot {
            color: var(--color-orange);
            font-size: 15px;
        }

        .location-panel {
            position: absolute;
            top: 56px;
            right: 0;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            box-shadow: var(--shadow-hover);
            padding: 16px;
            min-width: 220px;
            display: none;
            z-index: 110;
        }

        .location-panel.is-open {
            display: block;
        }

        .location-panel__title {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            margin-bottom: 8px;
            padding: 0 6px;
        }

        .location-panel__grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6px;
        }

        .location-panel__grid button {
            display: block;
            width: 100%;
            text-align: left;
            padding: 8px 10px;
            font-size: 14px;
            color: var(--color-text);
            border-radius: 6px;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .location-panel__grid button:hover {
            background: rgba(232,67,30,0.06);
            color: var(--color-orange);
        }

        .location-panel__grid button.is-active {
            color: var(--color-orange);
            font-weight: 600;
            background: rgba(232,67,30,0.08);
        }

        .location-wrap {
            position: relative;
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            font-size: 20px;
            color: var(--color-text);
            border-radius: 6px;
            border: 1px solid var(--color-border);
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }

        .nav-toggle:hover {
            color: var(--color-orange);
            border-color: var(--color-orange);
        }

        .mobile-nav {
            display: none;
            background: #FFFFFF;
            border-top: 1px solid var(--color-border);
            padding: 12px 0;
        }

        .mobile-nav.is-open {
            display: block;
        }

        .mobile-nav a {
            display: block;
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: 6px;
            margin: 2px 8px;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .mobile-nav a:hover {
            background: rgba(232,67,30,0.06);
            color: var(--color-orange);
        }

        .mobile-nav a.active {
            color: var(--color-orange);
            font-weight: 600;
            background: rgba(232,67,30,0.08);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            background: var(--color-orange);
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            border: 2px solid var(--color-orange);
        }

        .btn-primary:hover {
            background: #C93514;
            border-color: #C93514;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(232,67,30,0.28);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            color: var(--color-charcoal);
            border: 2px solid var(--color-border);
            border-radius: var(--radius-btn);
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
        }

        .btn-outline:hover {
            border-color: var(--color-orange);
            color: var(--color-orange);
            background: rgba(232,67,30,0.04);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }

        /* Cards */
        .review-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .review-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-orange);
        }

        .review-card__media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-gray-dark);
        }

        .review-card__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .review-card:hover .review-card__media img {
            transform: scale(1.04);
        }

        .review-card__tag {
            position: absolute;
            top: 10px;
            left: 10px;
            display: inline-block;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            background: var(--color-orange);
            color: #FFFFFF;
            border-radius: 4px;
        }

        .review-card__body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .review-card__title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
            transition: color var(--transition-fast);
            line-height: 1.4;
        }

        .review-card:hover .review-card__title {
            color: var(--color-orange);
        }

        .review-card__summary {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .review-card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 12px;
        }

        .review-card__date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .review-card__date i {
            font-size: 12px;
        }

        /* Hot cards */
        .hot-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .hot-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-orange);
        }

        .hot-card__media {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-gray-dark);
        }

        .hot-card__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .hot-card:hover .hot-card__media img {
            transform: scale(1.04);
        }

        .hot-card__body {
            padding: 16px 20px 20px;
        }

        .hot-card__title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .hot-card:hover .hot-card__title {
            color: var(--color-orange);
        }

        .hot-card__desc {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-text-muted);
            margin-bottom: 0;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
            font-size: 14px;
            color: var(--color-text-muted);
            padding: 20px 0;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-orange);
        }

        .breadcrumb .sep {
            margin: 0 6px;
            color: var(--color-border);
        }

        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 600;
        }

        /* Data / Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
        }

        .stat-block {
            background: var(--color-charcoal);
            color: var(--color-text-inverse);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid rgba(245,245,243,0.1);
        }

        .stat-block__num {
            font-family: var(--font-num);
            font-size: 36px;
            font-weight: 800;
            color: var(--color-orange);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-block__label {
            font-size: 14px;
            font-weight: 500;
            color: rgba(245,245,243,0.7);
        }

        /* Tags */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud a {
            display: inline-block;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 500;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            color: var(--color-text);
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
        }

        .tag-cloud a:hover {
            border-color: var(--color-orange);
            color: var(--color-orange);
            background: rgba(232,67,30,0.04);
        }

        /* Subscription form */
        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
        }

        .subscribe-form input {
            flex: 1;
            padding: 12px 16px;
            font-size: 15px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-input);
            background: #FFFFFF;
            color: var(--color-text);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .subscribe-form input:focus {
            border-color: var(--color-orange);
            box-shadow: 0 0 0 3px rgba(232,67,30,0.12);
        }

        /* "See more" link */
        .see-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-orange);
            margin-top: 24px;
            transition: gap var(--transition-fast), color var(--transition-fast);
        }

        .see-more:hover {
            color: #C93514;
            gap: 10px;
        }

        .see-more i {
            font-size: 13px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-charcoal);
            color: var(--color-text-inverse);
            padding: 48px 0 28px;
        }

        .site-footer__inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .site-footer__brand {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer__brand i {
            color: var(--color-orange);
            font-size: 18px;
        }

        .site-footer__tagline {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(245,245,243,0.65);
            max-width: 360px;
            margin-bottom: 0;
        }

        .site-footer__nav-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #FFFFFF;
        }

        .site-footer__nav {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-footer__nav li {
            margin-bottom: 8px;
        }

        .site-footer__nav a {
            font-size: 14px;
            color: rgba(245,245,243,0.65);
            transition: color var(--transition-fast);
        }

        .site-footer__nav a:hover {
            color: var(--color-orange);
        }

        .site-footer__bottom {
            border-top: 1px solid rgba(245,245,243,0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(245,245,243,0.55);
        }

        .site-footer__bottom-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .site-footer__bottom-links a {
            color: rgba(245,245,243,0.65);
            transition: color var(--transition-fast);
        }

        .site-footer__bottom-links a:hover {
            color: var(--color-orange);
        }

        .site-footer__bottom-links span {
            color: rgba(245,245,243,0.3);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .site-header__nav {
                gap: 0;
            }

            .site-header__nav a {
                padding: 8px 10px;
                font-size: 14px;
            }

            .section {
                padding: var(--spacing-mobile-section) 0;
            }

            .section__title {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            .site-header__nav {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .site-header__inner {
                height: 56px;
            }

            h1 {
                font-size: 32px;
            }

            h2 {
                font-size: 26px;
            }

            .section__title {
                font-size: 24px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .stat-block__num {
                font-size: 28px;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .site-footer__inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .location-trigger span {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .section {
                padding: 28px 0;
            }

            h1 {
                font-size: 28px;
            }

            .section__title {
                font-size: 22px;
            }

            .section__desc {
                font-size: 14px;
                margin-bottom: 20px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .stat-block {
                padding: 16px 12px;
            }

            .stat-block__num {
                font-size: 24px;
            }

            .stat-block__label {
                font-size: 12px;
            }

            .review-card__body {
                padding: 16px;
            }

            .review-card__title {
                font-size: 16px;
            }

            .site-header__logo {
                font-size: 18px;
            }

            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .site-footer__bottom-links {
                gap: 8px;
            }
        }

/* roulang page: category3 */
:root {
            --color-charcoal: #0E1116;
            --color-orange: #E8431E;
            --color-gray-dark: #2A2E35;
            --color-bg: #F7F7F5;
            --color-text: #111214;
            --color-text-muted: #5C626B;
            --color-text-inverse: #F5F5F3;
            --color-border: #E2E4E0;
            --radius-card: 12px;
            --radius-btn: 6px;
            --radius-input: 6px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-base: 0.25s ease;
            --transition-fast: 0.2s ease;
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-num: 'Roboto', 'Inter', 'PingFang SC', sans-serif;
            --spacing-section: 64px;
            --spacing-mobile-section: 40px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-title);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: var(--spacing-section) 0;
        }

        .section--charcoal {
            background: var(--color-charcoal);
            color: var(--color-text-inverse);
        }

        .section--white {
            background: #FFFFFF;
        }

        .section--bg {
            background: var(--color-bg);
        }

        .section--gray-dark {
            background: var(--color-gray-dark);
            color: var(--color-text-inverse);
        }

        .section__label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-orange);
            margin-bottom: 12px;
            border-left: 3px solid var(--color-orange);
            padding-left: 10px;
        }

        .section__title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
            color: inherit;
        }

        .section__desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text-muted);
            max-width: 760px;
            margin-bottom: 32px;
        }

        .section--charcoal .section__desc,
        .section--gray-dark .section__desc {
            color: rgba(245, 245, 243, 0.72);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 10px rgba(0, 0, 0, 0.04);
        }

        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
            position: relative;
        }

        .site-header__logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .site-header__logo:hover {
            color: var(--color-orange);
        }

        .site-header__logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--color-charcoal);
            color: #FFFFFF;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .site-header__nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 1;
            min-width: 0;
        }

        .site-header__nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: 6px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .site-header__nav a:hover {
            color: var(--color-orange);
            background: rgba(232, 67, 30, 0.06);
        }

        .site-header__nav a.active {
            color: var(--color-orange);
            font-weight: 600;
        }

        .site-header__nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-orange);
            border-radius: 2px;
        }

        .site-header__actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .location-trigger {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: border-color var(--transition-fast), color var(--transition-fast);
        }

        .location-trigger:hover {
            border-color: var(--color-orange);
            color: var(--color-orange);
        }

        .location-trigger .fa-location-dot {
            color: var(--color-orange);
            font-size: 15px;
        }

        .location-trigger .fa-chevron-down {
            font-size: 11px;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
        }

        .location-trigger.open .fa-chevron-down {
            transform: rotate(180deg);
        }

        .location-panel {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            width: 260px;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
            padding: 16px;
            z-index: 105;
        }

        .location-panel.open {
            display: block;
            animation: locationFadeIn 0.2s ease;
        }

        @keyframes locationFadeIn {
            from {
                opacity: 0;
                transform: translateY(-6px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .location-panel__title {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            margin-bottom: 8px;
            padding: 0 6px;
        }

        .location-panel__grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6px;
        }

        .location-option {
            padding: 8px 10px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            text-align: left;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .location-option:hover {
            background: rgba(232, 67, 30, 0.08);
            color: var(--color-orange);
        }

        .site-header__hamburger {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 6px;
            font-size: 18px;
            color: var(--color-text);
            border: 1px solid var(--color-border);
            transition: border-color var(--transition-fast), color var(--transition-fast);
        }

        .site-header__hamburger:hover {
            border-color: var(--color-orange);
            color: var(--color-orange);
        }

        .mobile-nav {
            display: none;
            flex-direction: column;
            gap: 2px;
            padding: 12px 0 16px;
            border-top: 1px solid var(--color-border);
            margin-top: 8px;
        }

        .mobile-nav.open {
            display: flex;
            animation: mobileNavFadeIn 0.25s ease;
        }

        @keyframes mobileNavFadeIn {
            from {
                opacity: 0;
                max-height: 0;
            }
            to {
                opacity: 1;
                max-height: 320px;
            }
        }

        .mobile-nav a {
            display: block;
            padding: 10px 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: 6px;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .mobile-nav a:hover {
            background: rgba(232, 67, 30, 0.06);
            color: var(--color-orange);
        }

        .mobile-nav a.active {
            color: var(--color-orange);
            font-weight: 600;
            background: rgba(232, 67, 30, 0.06);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            padding: 16px 0 0;
            font-size: 14px;
            color: var(--color-text-muted);
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-orange);
        }

        .breadcrumb .separator {
            margin: 0 6px;
            color: var(--color-border);
        }

        .breadcrumb .current {
            color: var(--color-orange);
            font-weight: 500;
        }

        /* ===== Category H1 Section ===== */
        .category-hero-section {
            padding: 32px 0 24px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
        }

        .category-hero {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .category-hero__text {
            flex: 1 1 55%;
            min-width: 280px;
        }

        .category-hero__text h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.015em;
            margin-bottom: 12px;
            color: var(--color-text);
        }

        .category-hero__text p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text-muted);
            max-width: 680px;
            margin-bottom: 0;
        }

        .category-hero__stats {
            flex-shrink: 0;
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .category-hero__stat {
            text-align: center;
            padding: 14px 18px;
            background: var(--color-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            min-width: 90px;
        }

        .category-hero__stat-number {
            display: block;
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-orange);
            line-height: 1.2;
        }

        .category-hero__stat-label {
            display: block;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 4px;
            letter-spacing: 0.02em;
        }

        /* ===== Article Grid ===== */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .article-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-orange);
        }

        .article-card__image {
            height: 180px;
            overflow: hidden;
            background: var(--color-gray-dark);
        }

        .article-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .article-card:hover .article-card__image img {
            transform: scale(1.04);
        }

        .article-card__body {
            padding: 18px 20px 20px;
        }

        .article-card__meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .article-card__tag {
            display: inline-block;
            padding: 2px 10px;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-orange);
            background: rgba(232, 67, 30, 0.08);
            border-radius: 20px;
        }

        .article-card__date {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .article-card__title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .article-card:hover .article-card__title {
            color: var(--color-orange);
        }

        .article-card__summary {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }

        .view-more-wrap {
            margin-top: 28px;
            text-align: center;
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            background: var(--color-orange);
            border-radius: var(--radius-btn);
            border: 1px solid var(--color-orange);
            cursor: pointer;
            transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #C73514;
            border-color: #C73514;
            transform: translateY(-1px);
        }

        .btn-primary:focus {
            outline: 2px solid var(--color-orange);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            border-radius: var(--radius-btn);
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            border-color: var(--color-orange);
            color: var(--color-orange);
            background: rgba(232, 67, 30, 0.04);
        }

        .btn-secondary:focus {
            outline: 2px solid var(--color-orange);
            outline-offset: 2px;
        }

        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 2px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-orange);
            cursor: pointer;
            border-bottom: 2px solid transparent;
            transition: border-color var(--transition-fast);
        }

        .btn-link:hover {
            border-bottom-color: var(--color-orange);
        }

        /* ===== Category Intro Section ===== */
        .category-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .category-intro__text p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text-muted);
            margin-bottom: 12px;
        }

        .category-intro__text p:last-child {
            margin-bottom: 0;
        }

        .category-intro__highlights {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .category-intro__highlight-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 12px 16px;
            background: #FFFFFF;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            transition: border-color var(--transition-fast);
        }

        .category-intro__highlight-item:hover {
            border-color: var(--color-orange);
        }

        .category-intro__highlight-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: rgba(232, 67, 30, 0.08);
            color: var(--color-orange);
            font-size: 16px;
        }

        .category-intro__highlight-text h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 2px;
            color: var(--color-text);
        }

        .category-intro__highlight-text p {
            font-size: 13px;
            line-height: 1.6;
            color: var(--color-text-muted);
            margin-bottom: 0;
        }

        /* ===== Hot List Section ===== */
        .hot-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .hot-card {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .hot-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-orange);
        }

        .hot-card__image {
            flex-shrink: 0;
            width: 80px;
            height: 64px;
            border-radius: 8px;
            overflow: hidden;
            background: var(--color-gray-dark);
        }

        .hot-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hot-card__body {
            flex: 1;
            min-width: 0;
        }

        .hot-card__title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 4px;
            transition: color var(--transition-fast);
        }

        .hot-card:hover .hot-card__title {
            color: var(--color-orange);
        }

        .hot-card__meta {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ===== Data Stats Section ===== */
        .data-stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .data-stat-item {
            padding: 20px 16px;
            text-align: center;
            background: var(--color-charcoal);
            border-radius: var(--radius-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }

        .data-stat-item:hover {
            border-color: var(--color-orange);
            transform: translateY(-2px);
        }

        .data-stat-item__number {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-orange);
            line-height: 1.2;
            display: block;
        }

        .data-stat-item__label {
            font-size: 13px;
            color: rgba(245, 245, 243, 0.7);
            margin-top: 6px;
            display: block;
            letter-spacing: 0.02em;
        }

        .data-stat-item__trend {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: #4CAF50;
            margin-top: 6px;
        }

        /* ===== Subscribe Section ===== */
        .subscribe-box {
            background: var(--color-gray-dark);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .subscribe-box__text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-inverse);
            margin-bottom: 6px;
            line-height: 1.3;
        }

        .subscribe-box__text p {
            font-size: 14px;
            color: rgba(245, 245, 243, 0.7);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
            align-items: center;
        }

        .subscribe-form input {
            width: 260px;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--color-text);
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-input);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .subscribe-form input:focus {
            border-color: var(--color-orange);
            box-shadow: 0 0 0 3px rgba(232, 67, 30, 0.1);
            outline: none;
        }

        .subscribe-form input::placeholder {
            color: #9A9FA5;
        }

        .subscribe-form .btn-primary {
            padding: 12px 20px;
            white-space: nowrap;
        }

        /* ===== Tag Cloud Section ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 30px;
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
        }

        .tag-cloud a:hover {
            border-color: var(--color-orange);
            color: var(--color-orange);
            background: rgba(232, 67, 30, 0.04);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-charcoal);
            color: var(--color-text-inverse);
            padding: 48px 0 24px;
        }

        .site-footer__inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .site-footer__brand {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer__brand .fa-bolt {
            color: var(--color-orange);
            font-size: 16px;
        }

        .site-footer__tagline {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(245, 245, 243, 0.65);
            max-width: 360px;
            margin-bottom: 0;
        }

        .site-footer__nav-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 12px;
            color: #FFFFFF;
        }

        .site-footer__nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .site-footer__nav a {
            font-size: 14px;
            color: rgba(245, 245, 243, 0.7);
            transition: color var(--transition-fast);
        }

        .site-footer__nav a:hover {
            color: var(--color-orange);
        }

        .site-footer__bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(245, 245, 243, 0.55);
        }

        .site-footer__bottom span {
            white-space: nowrap;
        }

        .site-footer__bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer__bottom-links a {
            color: rgba(245, 245, 243, 0.7);
            transition: color var(--transition-fast);
        }

        .site-footer__bottom-links a:hover {
            color: var(--color-orange);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .hot-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .data-stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .category-hero__text h1 {
                font-size: 34px;
            }

            .section__title {
                font-size: 28px;
            }

            .subscribe-box {
                padding: 24px 20px;
                flex-direction: column;
                align-items: stretch;
                text-align: left;
            }

            .subscribe-form {
                flex-direction: column;
                align-items: stretch;
            }

            .subscribe-form input {
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 40px;
                --spacing-mobile-section: 32px;
            }

            .section {
                padding: var(--spacing-mobile-section) 0;
            }

            .container-custom {
                padding: 0 16px;
            }

            .site-header__inner {
                height: 56px;
                gap: 10px;
            }

            .site-header__logo {
                font-size: 18px;
            }

            .site-header__logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
                border-radius: 6px;
            }

            .site-header__nav {
                display: none;
            }

            .site-header__hamburger {
                display: flex;
            }

            .site-header__actions {
                gap: 8px;
            }

            .location-trigger {
                padding: 5px 10px;
                font-size: 13px;
            }

            .location-trigger span {
                display: none;
            }

            .location-trigger .fa-chevron-down {
                display: none;
            }

            .category-hero {
                flex-direction: column;
                gap: 16px;
            }

            .category-hero__text h1 {
                font-size: 30px;
            }

            .category-hero__stats {
                gap: 10px;
            }

            .category-hero__stat {
                padding: 10px 14px;
                min-width: 70px;
            }

            .category-hero__stat-number {
                font-size: 22px;
            }

            .section__title {
                font-size: 24px;
                margin-bottom: 12px;
            }

            .section__desc {
                font-size: 15px;
                margin-bottom: 24px;
            }

            .article-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .article-card__image {
                height: 200px;
            }

            .article-card__title {
                font-size: 17px;
            }

            .category-intro {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .hot-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .hot-card__image {
                width: 70px;
                height: 56px;
            }

            .data-stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .data-stat-item {
                padding: 14px 10px;
            }

            .data-stat-item__number {
                font-size: 22px;
            }

            .data-stat-item__label {
                font-size: 12px;
            }

            .subscribe-box {
                padding: 20px 16px;
                border-radius: 10px;
            }

            .subscribe-box__text h3 {
                font-size: 18px;
            }

            .subscribe-box__text p {
                font-size: 13px;
            }

            .subscribe-form input {
                width: 100%;
                padding: 10px 14px;
                font-size: 13px;
            }

            .subscribe-form .btn-primary {
                padding: 10px 16px;
                font-size: 14px;
            }

            .tag-cloud {
                gap: 8px;
            }

            .tag-cloud a {
                padding: 6px 14px;
                font-size: 13px;
            }

            .site-footer {
                padding: 32px 0 20px;
            }

            .site-footer__inner {
                grid-template-columns: 1fr;
                gap: 20px;
                margin-bottom: 20px;
            }

            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 12px;
            }

            .category-hero__text h1 {
                font-size: 26px;
            }

            .category-hero__stat {
                padding: 8px 10px;
                min-width: 60px;
            }

            .category-hero__stat-number {
                font-size: 20px;
            }

            .article-card__image {
                height: 170px;
            }

            .data-stats-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .hot-card {
                padding: 10px;
            }

            .hot-card__image {
                width: 60px;
                height: 48px;
            }

            .btn-primary,
            .btn-secondary {
                padding: 10px 18px;
                font-size: 14px;
            }

            .location-panel {
                width: 220px;
                right: -10px;
            }
        }

/* roulang page: category4 */
:root {
            --color-charcoal: #0E1116;
            --color-orange: #E8431E;
            --color-gray-dark: #2A2E35;
            --color-bg: #F7F7F5;
            --color-text: #111214;
            --color-text-muted: #5C626B;
            --color-text-inverse: #F5F5F3;
            --color-border: #E2E4E0;
            --radius-card: 12px;
            --radius-btn: 6px;
            --radius-input: 6px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-base: 0.25s ease;
            --transition-fast: 0.2s ease;
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-num: 'Roboto', 'Inter', 'PingFang SC', sans-serif;
            --spacing-section: 80px;
            --spacing-mobile-section: 48px;
        }

        :root {
            --spacing-section: 56px;
            --spacing-mobile-section: 36px;
        }

        /* roulang page: team-rank */
        :root {
            --color-charcoal: #0E1116;
            --color-orange: #E8431E;
            --color-gray-dark: #2A2E35;
            --color-bg: #F7F7F5;
            --color-text: #111214;
            --color-text-muted: #5C626B;
            --color-text-inverse: #F5F5F3;
            --color-border: #E2E4E0;
            --radius-card: 12px;
            --radius-btn: 6px;
            --radius-input: 6px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-base: 0.25s ease;
            --transition-fast: 0.2s ease;
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-num: 'Roboto', 'Inter', 'PingFang SC', sans-serif;
            --spacing-section: 80px;
            --spacing-mobile-section: 48px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-title);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: var(--spacing-section) 0;
        }

        .section--charcoal {
            background: var(--color-charcoal);
            color: var(--color-text-inverse);
        }

        .section--white {
            background: #FFFFFF;
        }

        .section--bg {
            background: var(--color-bg);
        }

        .section--gray-dark {
            background: var(--color-gray-dark);
            color: var(--color-text-inverse);
        }

        .section__label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-orange);
            margin-bottom: 12px;
            border-left: 3px solid var(--color-orange);
            padding-left: 10px;
        }

        .section__title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
            color: inherit;
        }

        .section__desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text-muted);
            max-width: 720px;
            margin-bottom: 32px;
        }

        .section--charcoal .section__desc,
        .section--gray-dark .section__desc {
            color: rgba(245, 245, 243, 0.7);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 10px rgba(0, 0, 0, 0.04);
        }

        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .site-header__logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .site-header__logo:hover {
            color: var(--color-orange);
        }

        .site-header__logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--color-charcoal);
            color: #FFFFFF;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .site-header__nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .site-header__nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: 6px;
            position: relative;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .site-header__nav a:hover {
            color: var(--color-orange);
            background: rgba(232, 67, 30, 0.06);
        }

        .site-header__nav a.active {
            color: var(--color-orange);
            font-weight: 600;
        }

        .site-header__nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-orange);
            border-radius: 2px;
        }

        .site-header__actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            position: relative;
        }

        .location-trigger {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 12px;
            border-radius: 6px;
            background: var(--color-bg);
            color: var(--color-text);
            font-size: 14px;
            font-weight: 500;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .location-trigger:hover {
            background: rgba(232, 67, 30, 0.06);
            color: var(--color-orange);
        }

        .location-trigger .fa-location-dot {
            color: var(--color-orange);
            font-size: 15px;
        }

        .location-panel {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            width: 260px;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            box-shadow: var(--shadow-hover);
            padding: 16px;
            display: none;
            z-index: 120;
        }

        .location-panel.open {
            display: block;
            animation: fadeIn 0.2s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-4px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .location-panel__title {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            margin-bottom: 8px;
            padding: 0 6px;
        }

        .location-panel__grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6px;
        }

        .location-panel__city {
            padding: 8px 10px;
            border-radius: 6px;
            font-size: 14px;
            color: var(--color-text);
            background: var(--color-bg);
            transition: background var(--transition-fast), color var(--transition-fast);
            text-align: center;
        }

        .location-panel__city:hover {
            background: rgba(232, 67, 30, 0.08);
            color: var(--color-orange);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            border-radius: 6px;
            background: var(--color-bg);
            transition: background var(--transition-fast);
        }

        .hamburger:hover {
            background: rgba(232, 67, 30, 0.08);
        }

        .hamburger__line {
            width: 20px;
            height: 2px;
            background: var(--color-text);
            margin: 3px 0;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }

        .hamburger.open .hamburger__line:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .hamburger.open .hamburger__line:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open .hamburger__line:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            padding: 16px 0;
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-orange);
        }

        .breadcrumb__sep {
            color: #B0B4B8;
        }

        .breadcrumb__current {
            color: var(--color-text);
            font-weight: 500;
        }

        /* ===== Category H1 ===== */
        .rank-hero {
            padding: 40px 0 48px;
        }

        .rank-hero__inner {
            max-width: 820px;
        }

        .rank-hero__title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
            color: var(--color-text);
        }

        .rank-hero__desc {
            font-size: 18px;
            line-height: 1.9;
            color: var(--color-text-muted);
            max-width: 700px;
        }

        /* ===== Ranking Cards ===== */
        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .ranking-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .ranking-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-orange);
        }

        .ranking-card__image {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--color-bg);
        }

        .ranking-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .ranking-card:hover .ranking-card__image img {
            transform: scale(1.03);
        }

        .ranking-card__body {
            padding: 20px 20px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .ranking-card__tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-orange);
            background: rgba(232, 67, 30, 0.08);
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .ranking-card__title {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .ranking-card:hover .ranking-card__title {
            color: var(--color-orange);
        }

        .ranking-card__excerpt {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .ranking-card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: #8A8F98;
            border-top: 1px solid var(--color-border);
            padding-top: 12px;
        }

        .ranking-card__date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .ranking-card__link {
            font-weight: 600;
            color: var(--color-orange);
            transition: color var(--transition-fast);
        }

        .ranking-card__link:hover {
            color: var(--color-charcoal);
        }

        .rank-list__more {
            text-align: center;
            margin-top: 32px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            cursor: pointer;
        }

        .btn--primary {
            background: var(--color-orange);
            color: #FFFFFF;
        }

        .btn--primary:hover {
            background: #C93614;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(232, 67, 30, 0.25);
        }

        .btn--outline {
            background: transparent;
            color: var(--color-text);
            border: 1px solid var(--color-border);
        }

        .btn--outline:hover {
            border-color: var(--color-orange);
            color: var(--color-orange);
            background: rgba(232, 67, 30, 0.04);
        }

        .btn--inverse {
            background: #FFFFFF;
            color: var(--color-charcoal);
        }

        .btn--inverse:hover {
            background: var(--color-orange);
            color: #FFFFFF;
        }

        /* ===== Category Intro ===== */
        .intro-text {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-muted);
            margin-bottom: 20px;
            max-width: 900px;
        }

        .intro-text strong {
            color: var(--color-text);
            font-weight: 600;
        }

        /* ===== Hot Picks ===== */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .hot-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .hot-card:hover {
            transform: translateY(-4px);
            border-color: var(--color-orange);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        .hot-card__image {
            height: 160px;
            overflow: hidden;
        }

        .hot-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .hot-card:hover .hot-card__image img {
            transform: scale(1.03);
        }

        .hot-card__body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .hot-card__tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-orange);
            margin-bottom: 10px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .hot-card__title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--color-text-inverse);
            transition: color var(--transition-fast);
        }

        .hot-card:hover .hot-card__title {
            color: var(--color-orange);
        }

        .hot-card__desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(245, 245, 243, 0.7);
        }

        /* ===== Data Hot ===== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-card {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            text-align: center;
            transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .data-card:hover {
            transform: translateY(-3px);
            border-color: var(--color-orange);
            box-shadow: var(--shadow-hover);
        }

        .data-card__num {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 800;
            color: var(--color-orange);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .data-card__label {
            font-size: 14px;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* ===== CTA / Subscribe ===== */
        .cta-box {
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-box__title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--color-text-inverse);
        }

        .cta-box__desc {
            font-size: 16px;
            color: rgba(245, 245, 243, 0.7);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
        }

        .subscribe-form__input {
            flex: 1;
            padding: 12px 16px;
            border-radius: var(--radius-input);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--color-text-inverse);
            font-size: 15px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }

        .subscribe-form__input::placeholder {
            color: rgba(245, 245, 243, 0.5);
        }

        .subscribe-form__input:focus {
            border-color: var(--color-orange);
            background: rgba(255, 255, 255, 0.08);
        }

        .subscribe-form__button {
            padding: 12px 24px;
            border-radius: var(--radius-input);
            background: var(--color-orange);
            color: #FFFFFF;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .subscribe-form__button:hover {
            background: #C93614;
            transform: translateY(-2px);
        }

        /* ===== Tag Cloud ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tag-cloud__item {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            border-radius: 999px;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            font-size: 14px;
            color: var(--color-text);
            transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
        }

        .tag-cloud__item:hover {
            border-color: var(--color-orange);
            color: var(--color-orange);
            background: rgba(232, 67, 30, 0.04);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-charcoal);
            color: var(--color-text-inverse);
            padding: 56px 0 24px;
        }

        .site-footer__inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .site-footer__brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .site-footer__brand i {
            color: var(--color-orange);
        }

        .site-footer__tagline {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(245, 245, 243, 0.65);
            max-width: 380px;
        }

        .site-footer__nav-title {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .site-footer__nav {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-footer__nav li {
            margin-bottom: 8px;
        }

        .site-footer__nav a {
            font-size: 14px;
            color: rgba(245, 245, 243, 0.7);
            transition: color var(--transition-fast);
        }

        .site-footer__nav a:hover {
            color: var(--color-orange);
        }

        .site-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: rgba(245, 245, 243, 0.5);
        }

        .site-footer__bottom-links {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer__bottom-links a {
            color: rgba(245, 245, 243, 0.7);
            transition: color var(--transition-fast);
        }

        .site-footer__bottom-links a:hover {
            color: var(--color-orange);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .ranking-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .section__title {
                font-size: 30px;
            }

            .rank-hero__title {
                font-size: 38px;
            }
        }

        @media (max-width: 768px) {
            .site-header__nav {
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-hover);
                display: none;
            }

            .site-header__nav.open {
                display: flex;
            }

            .site-header__nav a {
                padding: 14px 20px;
                border-radius: 0;
                border-bottom: 1px solid var(--color-border);
            }

            .site-header__nav a.active::after {
                bottom: auto;
                left: 20px;
                right: auto;
                top: 50%;
                transform: translateY(-50%);
                width: 3px;
                height: 20px;
                border-radius: 2px;
            }

            .hamburger {
                display: flex;
            }

            .location-trigger span {
                display: none;
            }

            .location-panel {
                position: fixed;
                top: 64px;
                left: 20px;
                right: 20px;
                width: auto;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: var(--spacing-mobile-section) 0;
            }

            .ranking-grid {
                grid-template-columns: 1fr;
            }

            .hot-grid {
                grid-template-columns: 1fr;
            }

            .data-grid {
                grid-template-columns: 1fr;
            }

            .site-footer__inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .site-footer__bottom-links {
                margin-left: 0;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .rank-hero__title {
                font-size: 32px;
            }

            .cta-box__title {
                font-size: 26px;
            }
        }

/* roulang page: category5 */
:root {
      --color-charcoal: #0E1116;
      --color-orange: #E8431E;
      --color-gray-dark: #2A2E35;
      --color-bg: #F7F7F5;
      --color-text: #111214;
      --color-text-muted: #5C626B;
      --color-text-inverse: #F5F5F3;
      --color-border: #E2E4E0;
      --radius-card: 12px;
      --radius-btn: 6px;
      --radius-input: 6px;
      --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
      --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
      --transition-base: 0.25s ease;
      --transition-fast: 0.2s ease;
      --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
      --font-num: 'Roboto', 'Inter', 'PingFang SC', sans-serif;
      --spacing-section: 56px;
      --spacing-mobile-section: 36px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-title);
      font-size: 16px;
      line-height: 1.8;
      color: var(--color-text);
      background-color: var(--color-bg);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition-fast);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    button,
    input {
      font-family: inherit;
      font-size: inherit;
      outline: none;
      border: none;
    }

    button {
      cursor: pointer;
      background: none;
    }

    ul {
      list-style: none;
    }

    .container-custom {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .section {
      padding: var(--spacing-section) 0;
    }

    .section--charcoal {
      background: var(--color-charcoal);
      color: var(--color-text-inverse);
    }

    .section--white {
      background: #FFFFFF;
    }

    .section--bg {
      background: var(--color-bg);
    }

    .section--gray-dark {
      background: var(--color-gray-dark);
      color: var(--color-text-inverse);
    }

    .section__label {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--color-orange);
      margin-bottom: 12px;
      border-left: 3px solid var(--color-orange);
      padding-left: 10px;
    }

    .section__title {
      font-size: 34px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 16px;
      letter-spacing: -0.01em;
      color: inherit;
    }

    .section__desc {
      font-size: 16px;
      line-height: 1.85;
      color: var(--color-text-muted);
      max-width: 720px;
      margin-bottom: 32px;
    }

    .section--charcoal .section__desc,
    .section--gray-dark .section__desc {
      color: rgba(245, 245, 243, 0.7);
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: #FFFFFF;
      border-bottom: 1px solid var(--color-border);
      box-shadow: 0 1px 10px rgba(0, 0, 0, 0.04);
    }

    .site-header__inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
      gap: 16px;
    }

    .site-header__logo {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
      font-weight: 800;
      font-size: 20px;
      letter-spacing: -0.02em;
      color: var(--color-text);
      transition: color var(--transition-fast);
    }

    .site-header__logo:hover {
      color: var(--color-orange);
    }

    .site-header__logo-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      background: var(--color-charcoal);
      color: #FFFFFF;
      border-radius: 8px;
      font-size: 16px;
      font-weight: 700;
      flex-shrink: 0;
    }

    .site-header__nav {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .site-header__nav a {
      display: inline-flex;
      align-items: center;
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--color-text);
      border-radius: 6px;
      position: relative;
      transition: color var(--transition-fast), background-color var(--transition-fast);
    }

    .site-header__nav a:hover {
      color: var(--color-orange);
      background: rgba(232, 67, 30, 0.06);
    }

    .site-header__nav a.active {
      color: var(--color-orange);
      font-weight: 600;
    }

    .site-header__nav a.active::after {
      content: '';
      position: absolute;
      bottom: 4px;
      left: 14px;
      right: 14px;
      height: 2px;
      background: var(--color-orange);
      border-radius: 2px;
    }

    .site-header__actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .site-header__toggle {
      display: none;
      font-size: 20px;
      color: var(--color-text);
      padding: 8px;
      border-radius: 6px;
      transition: background-color var(--transition-fast);
    }

    .site-header__toggle:hover {
      background: rgba(232, 67, 30, 0.06);
    }

    .location-trigger .fa-location-dot {
      color: var(--color-orange);
      font-size: 15px;
    }

    .location-dropdown {
      position: relative;
    }

    .location-trigger {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 8px 10px;
      color: var(--color-text);
      border-radius: 6px;
      transition: background-color var(--transition-fast);
    }

    .location-trigger:hover {
      background: rgba(232, 67, 30, 0.06);
    }

    .location-trigger__city {
      font-size: 14px;
      font-weight: 500;
    }

    .location-panel {
      position: absolute;
      top: calc(100% + 8px);
      right: 0;
      width: 280px;
      background: #FFFFFF;
      border-radius: 12px;
      box-shadow: var(--shadow-hover);
      padding: 16px;
      display: none;
      z-index: 120;
      border: 1px solid var(--color-border);
    }

    .location-dropdown.is-open .location-panel {
      display: block;
    }

    .location-panel__title {
      font-size: 13px;
      font-weight: 600;
      color: var(--color-text-muted);
      margin-bottom: 8px;
      padding: 0 6px;
    }

    .location-panel__grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6px;
    }

    .location-panel__grid button {
      padding: 10px 12px;
      background: var(--color-bg);
      border-radius: 6px;
      font-size: 14px;
      color: var(--color-text);
      transition: all var(--transition-fast);
      text-align: left;
    }

    .location-panel__grid button:hover {
      background: rgba(232, 67, 30, 0.06);
      color: var(--color-orange);
    }

    /* ===== Guide Hero (分类H1区) ===== */
    .guide-hero {
      background: var(--color-charcoal);
      color: var(--color-text-inverse);
      padding: 56px 0 48px;
      position: relative;
      overflow: hidden;
    }

    .guide-hero::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: url('/assets/images/8adda099f57ce36d.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.16;
      z-index: 0;
    }

    .guide-hero .container-custom {
      position: relative;
      z-index: 1;
    }

    .guide-hero__title {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.02em;
      margin-bottom: 12px;
      color: #FFFFFF;
    }

    .guide-hero__subtitle {
      font-size: 18px;
      color: rgba(245, 245, 243, 0.75);
      max-width: 760px;
      line-height: 1.8;
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb-bar {
      background: #FFFFFF;
      border-bottom: 1px solid var(--color-border);
      padding: 12px 0;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--color-text-muted);
    }

    .breadcrumb a {
      color: var(--color-text-muted);
      transition: color var(--transition-fast);
    }

    .breadcrumb a:hover {
      color: var(--color-orange);
    }

    .breadcrumb__sep {
      color: #B0B4BA;
    }

    .breadcrumb__current {
      color: var(--color-text);
      font-weight: 600;
    }

    /* ===== 文章卡片 ===== */
    .article-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .post-card {
      background: #FFFFFF;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
      display: flex;
      flex-direction: column;
      height: 100%;
      overflow: hidden;
    }

    .post-card:hover {
      transform: translateY(-4px);
      border-color: var(--color-orange);
      box-shadow: var(--shadow-hover);
    }

    .post-card__media {
      height: 180px;
      overflow: hidden;
      border-bottom: 1px solid var(--color-border);
    }

    .post-card__media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform var(--transition-base);
    }

    .post-card:hover .post-card__media img {
      transform: scale(1.04);
    }

    .post-card__body {
      padding: 22px 20px 20px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .post-card__meta {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--color-text-muted);
    }

    .post-card__tag {
      background: var(--color-charcoal);
      color: #FFFFFF;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
      letter-spacing: 0.02em;
    }

    .post-card__title {
      font-size: 20px;
      font-weight: 800;
      line-height: 1.3;
      margin: 12px 0 8px;
    }

    .post-card__title a {
      color: var(--color-text);
      transition: color var(--transition-fast);
    }

    .post-card__title a:hover {
      color: var(--color-orange);
    }

    .post-card__excerpt {
      font-size: 14px;
      color: var(--color-text-muted);
      line-height: 1.75;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 16px;
    }

    .post-card__date {
      margin-top: auto;
      padding-top: 12px;
      font-size: 12px;
      color: #9A9EA5;
      border-top: 1px solid var(--color-border);
    }

    /* ===== 查看更多按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      font-weight: 700;
      font-size: 15px;
      line-height: 1.2;
      transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
      cursor: pointer;
    }

    .btn--primary {
      background: var(--color-orange);
      color: #FFFFFF;
      border: 1px solid var(--color-orange);
    }

    .btn--primary:hover {
      background: #C23615;
      border-color: #C23615;
      transform: translateY(-2px);
    }

    .btn--outline {
      background: transparent;
      color: var(--color-charcoal);
      border: 1px solid var(--color-charcoal);
    }

    .btn--outline:hover {
      border-color: var(--color-orange);
      color: var(--color-orange);
      background: rgba(232, 67, 30, 0.04);
    }

    .btn--light-outline {
      background: transparent;
      color: #FFFFFF;
      border: 1px solid rgba(255, 255, 255, 0.5);
    }

    .btn--light-outline:hover {
      border-color: var(--color-orange);
      color: var(--color-orange);
      background: rgba(232, 67, 30, 0.08);
    }

    .load-more-wrap {
      text-align: center;
      margin-top: 28px;
    }

    /* ===== 分类说明区 ===== */
    .about-guide {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: start;
    }

    .about-guide__text p {
      font-size: 16px;
      line-height: 1.9;
      color: var(--color-text-muted);
      margin-bottom: 16px;
    }

    .about-guide__text strong {
      color: var(--color-text);
      font-weight: 600;
    }

    .about-guide__highlight {
      background: #FFFFFF;
      border-left: 4px solid var(--color-orange);
      padding: 20px 24px;
      border-radius: 8px;
      box-shadow: var(--shadow-sm);
    }

    .about-guide__highlight p {
      font-size: 16px;
      color: var(--color-text);
      line-height: 1.8;
    }

    /* ===== 热门/推荐区 ===== */
    .featured-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .featured-card {
      display: flex;
      gap: 18px;
      background: #FFFFFF;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-card);
      padding: 18px;
      transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    }

    .featured-card:hover {
      transform: translateY(-4px);
      border-color: var(--color-orange);
      box-shadow: var(--shadow-hover);
    }

    .featured-card__media {
      width: 180px;
      flex-shrink: 0;
      border-radius: 8px;
      overflow: hidden;
    }

    .featured-card__media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .featured-card__body {
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .featured-card__title {
      font-size: 19px;
      font-weight: 800;
      line-height: 1.35;
      margin-bottom: 8px;
    }

    .featured-card__title a {
      color: var(--color-text);
      transition: color var(--transition-fast);
    }

    .featured-card__title a:hover {
      color: var(--color-orange);
    }

    .featured-card__desc {
      font-size: 14px;
      color: var(--color-text-muted);
      line-height: 1.7;
      margin-bottom: 12px;
    }

    .featured-card__meta {
      margin-top: auto;
      font-size: 13px;
      color: #9A9EA5;
    }

    /* ===== 数据/热度区 ===== */
    .stats-panel {
      background: var(--color-charcoal);
      color: var(--color-text-inverse);
      border-radius: 12px;
      padding: 40px 32px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .stat-item {
      text-align: center;
    }

    .stat-number {
      font-family: var(--font-num);
      font-size: 44px;
      font-weight: 800;
      color: var(--color-orange);
      line-height: 1.2;
    }

    .stat-label {
      color: rgba(245, 245, 243, 0.7);
      margin-top: 8px;
      font-size: 15px;
    }

    /* ===== 订阅/CTA区 ===== */
    .subscribe-panel {
      background: #FFFFFF;
      border: 1px solid var(--color-border);
      border-radius: 12px;
      padding: 32px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 28px;
      box-shadow: var(--shadow-sm);
    }

    .subscribe-panel__title {
      font-size: 28px;
      font-weight: 800;
      line-height: 1.3;
    }

    .subscribe-panel__desc {
      font-size: 15px;
      color: var(--color-text-muted);
      margin-top: 6px;
    }

    .subscribe-form {
      display: flex;
      gap: 12px;
      flex: 1;
      max-width: 480px;
    }

    .subscribe-form input {
      flex: 1;
      padding: 12px 14px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-input);
      font-size: 15px;
      transition: border-color var(--transition-fast);
    }

    .subscribe-form input:focus {
      border-color: var(--color-orange);
      box-shadow: 0 0 0 3px rgba(232, 67, 30, 0.1);
    }

    .subscribe-form button {
      background: var(--color-orange);
      color: #FFFFFF;
      padding: 12px 24px;
      border-radius: var(--radius-btn);
      font-weight: 700;
      font-size: 15px;
      white-space: nowrap;
      transition: background-color var(--transition-fast), transform var(--transition-fast);
    }

    .subscribe-form button:hover {
      background: #C23615;
      transform: translateY(-2px);
    }

    /* ===== 标签/专题区 ===== */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag-cloud a {
      display: inline-block;
      padding: 10px 18px;
      background: #FFFFFF;
      border: 1px solid var(--color-border);
      border-radius: 6px;
      font-size: 14px;
      color: var(--color-text);
      transition: all var(--transition-fast);
    }

    .tag-cloud a:hover {
      border-color: var(--color-orange);
      background: rgba(232, 67, 30, 0.05);
      color: var(--color-orange);
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--color-charcoal);
      color: rgba(245, 245, 243, 0.75);
      padding: 48px 0 24px;
      margin-top: 0;
    }

    .site-footer__inner {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 32px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .site-footer__brand {
      font-size: 22px;
      font-weight: 800;
      color: #FFFFFF;
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
    }

    .site-footer__brand .fa-bolt {
      color: var(--color-orange);
      font-size: 18px;
    }

    .site-footer__tagline {
      font-size: 14px;
      line-height: 1.8;
      color: rgba(245, 245, 243, 0.65);
      max-width: 360px;
    }

    .site-footer__nav-title {
      font-size: 15px;
      font-weight: 600;
      color: #FFFFFF;
      margin-bottom: 12px;
    }

    .site-footer__nav {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .site-footer__nav a {
      font-size: 14px;
      color: rgba(245, 245, 243, 0.7);
      transition: color var(--transition-fast);
    }

    .site-footer__nav a:hover {
      color: var(--color-orange);
    }

    .site-footer__bottom {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding-top: 24px;
      font-size: 13px;
      color: rgba(245, 245, 243, 0.55);
    }

    .site-footer__bottom-links {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .site-footer__bottom-links a {
      color: rgba(245, 245, 243, 0.55);
      transition: color var(--transition-fast);
    }

    .site-footer__bottom-links a:hover {
      color: var(--color-orange);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .section__title {
        font-size: 30px;
      }

      .guide-hero__title {
        font-size: 36px;
      }

      .article-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .stats-panel {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
      }

      .featured-grid {
        grid-template-columns: 1fr;
      }

      .featured-card__media {
        width: 140px;
      }

      .subscribe-panel {
        flex-direction: column;
        align-items: flex-start;
      }

      .subscribe-form {
        max-width: 100%;
        width: 100%;
      }

      .about-guide {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      :root {
        --spacing-section: 48px;
        --spacing-mobile-section: 32px;
      }

      .section {
        padding: var(--spacing-mobile-section) 0;
      }

      .site-header__nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
      }

      .site-header__nav.is-open {
        display: flex;
      }

      .site-header__nav a {
        width: 100%;
        padding: 12px 14px;
        justify-content: flex-start;
      }

      .site-header__nav a.active::after {
        left: 14px;
        right: auto;
        width: 24px;
        bottom: 8px;
      }

      .site-header__toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .site-header__actions {
        gap: 6px;
      }

      .location-trigger__city {
        display: none;
      }

      .guide-hero {
        padding: 40px 0 36px;
      }

      .guide-hero__title {
        font-size: 32px;
      }

      .article-grid {
        grid-template-columns: 1fr;
      }

      .post-card__media {
        height: 200px;
      }

      .featured-card {
        flex-direction: column;
      }

      .featured-card__media {
        width: 100%;
        height: 180px;
      }

      .stats-panel {
        grid-template-columns: 1fr 1fr;
        padding: 28px 20px;
      }

      .stat-number {
        font-size: 36px;
      }

      .subscribe-panel {
        padding: 24px;
      }

      .subscribe-form {
        flex-direction: column;
      }

      .subscribe-form button {
        width: 100%;
      }

      .site-footer__inner {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .site-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      .container-custom {
        padding: 0 16px;
      }

      .section__title {
        font-size: 26px;
      }

      .guide-hero__title {
        font-size: 28px;
      }

      .guide-hero__subtitle {
        font-size: 16px;
      }

      .stats-panel {
        grid-template-columns: 1fr;
        text-align: center;
      }

      .breadcrumb {
        flex-wrap: wrap;
        row-gap: 0;
      }
    }

    /* 可访问性焦点 */
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 2px solid var(--color-orange);
      outline-offset: 2px;
    }