/* roulang page: index */
:root {
            --primary: #E8452C;
            --primary-hover: #C93A24;
            --primary-soft: #FDE8E3;
            --secondary: #FF8C42;
            --dark: #1C1C1E;
            --bg: #FAF7F2;
            --bg-soft: #F3EFE8;
            --border: #E5DFD5;
            --text: #1C1C1E;
            --text-muted: #6B6560;
            --green: #2E9E6B;
            --white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 12px rgba(28, 28, 30, 0.06);
            --shadow-hover: 0 8px 28px rgba(232, 69, 44, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Segoe UI', 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --section-spacing: 80px;
            --section-spacing-mobile: 48px;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 15px;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

        button {
            cursor: pointer;
        }

        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

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

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

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

        .section__header {
            margin-bottom: 32px;
        }

        .section__header--center {
            text-align: center;
        }

        .section__label {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }

        .section__title {
            font-size: 26px;
            font-weight: 600;
            line-height: 1.4;
            letter-spacing: -0.3px;
            color: var(--text);
        }

        .section--dark .section__title {
            color: var(--white);
        }

        .section__title .highlight {
            color: var(--primary);
        }

        .section__desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-top: 12px;
            max-width: 680px;
        }

        .section--dark .section__desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* Header */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(250, 247, 242, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .header.scrolled {
            box-shadow: 0 4px 20px rgba(28, 28, 30, 0.08);
        }

        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.4px;
            color: var(--text);
        }

        .logo__icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }

        .logo__icon::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--white);
            border-radius: 50%;
            position: absolute;
        }

        .logo__icon::after {
            content: '';
            width: 18px;
            height: 18px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 50%;
            position: absolute;
            animation: pulse-ring 2s infinite;
        }

        @keyframes pulse-ring {
            0% {
                transform: scale(0.6);
                opacity: 1;
            }
            100% {
                transform: scale(1.6);
                opacity: 0;
            }
        }

        .logo__text {
            color: var(--primary);
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav__links {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav__link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }

        .nav__link:hover,
        .nav__link.active {
            color: var(--text);
        }

        .nav__link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav__actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            border: 1px solid var(--border);
            background: var(--white);
            transition: all var(--transition);
        }

        .search-icon:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-soft);
        }

        .search-icon svg {
            width: 18px;
            height: 18px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: all var(--transition);
            min-height: 44px;
            white-space: nowrap;
            user-select: none;
        }

        .btn--primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(232, 69, 44, 0.25);
        }

        .btn--primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 69, 44, 0.35);
        }

        .btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 69, 44, 0.2);
        }

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

        .btn--outline:hover {
            background: var(--primary-soft);
            transform: translateY(-2px);
        }

        .btn--white {
            background: var(--white);
            color: var(--dark);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .btn--white:hover {
            background: #f0f0f0;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
        }

        .btn--dark {
            background: var(--dark);
            color: var(--white);
        }

        .btn--dark:hover {
            background: #2a2a2e;
            transform: translateY(-2px);
        }

        .btn--sm {
            padding: 8px 16px;
            font-size: 13px;
            min-height: 38px;
            border-radius: 8px;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--white);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: all var(--transition);
        }

        .hamburger span {
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile Nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg);
            z-index: 999;
            padding: 24px 20px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform 0.3s ease;
        }

        .mobile-nav.open {
            transform: translateX(0);
        }

        .mobile-nav__link {
            display: block;
            padding: 16px 0;
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            border-bottom: 1px solid var(--border);
        }

        .mobile-nav__link:hover,
        .mobile-nav__link.active {
            color: var(--primary);
        }

        .mobile-nav__actions {
            display: flex;
            gap: 12px;
            margin-top: 24px;
        }

        /* Ticker */
        .ticker {
            background: var(--dark);
            color: var(--white);
            overflow: hidden;
            padding: 14px 0;
            position: relative;
        }

        .ticker__viewport {
            overflow: hidden;
            width: 100%;
        }

        .ticker__track {
            display: flex;
            gap: 48px;
            white-space: nowrap;
            animation: ticker-scroll 40s linear infinite;
            width: max-content;
        }

        .ticker:hover .ticker__track {
            animation-play-state: paused;
        }

        @keyframes ticker-scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }

        .ticker__item {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .ticker__item::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--secondary);
            border-radius: 50%;
            flex-shrink: 0;
        }

        /* Hero */
        .hero {
            padding: 60px 0 80px;
            background: var(--bg);
            position: relative;
            overflow: hidden;
        }

        .hero__inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero__content {
            position: relative;
            z-index: 2;
        }

        .hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
        }

        .hero__badge-dot {
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 50%;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }

        .hero__title {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.5px;
            color: var(--text);
            margin-bottom: 20px;
        }

        .hero__title .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero__title .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 8px;
            background: rgba(255, 140, 66, 0.3);
            border-radius: 4px;
            z-index: -1;
        }

        .hero__subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 480px;
        }

        .hero__cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero__stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border);
            padding-top: 28px;
        }

        .hero__stat-item {
            text-align: left;
        }

        .hero__stat-value {
            font-size: 28px;
            font-weight: 700;
            color: var(--secondary);
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.5px;
        }

        .hero__stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .hero__visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(28, 28, 30, 0.12);
            min-height: 380px;
        }

        .hero__visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }

        .hero__visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 28px 24px;
            background: linear-gradient(180deg, transparent 0%, rgba(28, 28, 30, 0.7) 100%);
            color: var(--white);
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
        }

        .hero__visual-tag {
            font-size: 13px;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            padding: 4px 12px;
            border-radius: 16px;
        }

        /* Data Bar */
        .data-bar {
            background: var(--dark);
            color: var(--white);
            padding: 48px 0;
        }

        .data-bar__grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 24px;
            align-items: center;
        }

        .data-bar__item {
            text-align: center;
        }

        .data-bar__value {
            font-size: 40px;
            font-weight: 700;
            color: var(--secondary);
            font-variant-numeric: tabular-nums;
            letter-spacing: -1px;
            line-height: 1.2;
        }

        .data-bar__label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
        }

        /* Category Entry */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }

        .category-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .category-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(232, 69, 44, 0.3);
        }

        .category-card--large {
            grid-column: span 4;
        }

        .category-card--small {
            grid-column: span 3;
        }

        .category-card--wide {
            grid-column: span 6;
        }

        .category-card__img {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .category-card--small .category-card__img {
            aspect-ratio: 4/3;
        }

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

        .category-card:hover .category-card__img img {
            transform: scale(1.05);
        }

        .category-card__body {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 8px;
        }

        .category-card__title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }

        .category-card__desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        .category-card__arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: auto;
        }

        .category-card__arrow svg {
            width: 16px;
            height: 16px;
            transition: transform var(--transition);
        }

        .category-card:hover .category-card__arrow svg {
            transform: translateX(4px);
        }

        /* Trend Section */
        .trend-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .trend-feature {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .trend-feature img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        .trend-feature__overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 32px 24px 20px;
            background: linear-gradient(180deg, transparent 0%, rgba(28, 28, 30, 0.8) 100%);
            color: var(--white);
        }

        .trend-feature__title {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .trend-feature__date {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
        }

        .trend-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .trend-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
        }

        .trend-item:hover {
            padding-left: 8px;
        }

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

        .trend-item__date {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
            padding-top: 4px;
        }

        .trend-item__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 4px;
            transition: color var(--transition);
        }

        .trend-item:hover .trend-item__title {
            color: var(--primary);
        }

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

        .trend-more {
            margin-top: 20px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            padding: 8px 0;
            transition: gap var(--transition);
        }

        .trend-more:hover {
            gap: 12px;
        }

        /* Scenario Section */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(232, 69, 44, 0.3);
        }

        .scenario-card--col-3 {
            grid-column: span 3;
        }
        .scenario-card--col-4 {
            grid-column: span 4;
        }
        .scenario-card--col-5 {
            grid-column: span 5;
        }
        .scenario-card--col-6 {
            grid-column: span 6;
        }
        .scenario-card--col-7 {
            grid-column: span 7;
        }

        .scenario-card__icon {
            font-size: 28px;
            line-height: 1;
        }

        .scenario-card__title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
        }

        .scenario-card__desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .scenario-card__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: auto;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 12px;
            font-weight: 500;
            background: var(--bg-soft);
            color: var(--text-muted);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .tag:hover {
            background: var(--primary-soft);
            color: var(--primary);
            border-color: var(--primary);
        }

        .tag--primary {
            background: var(--primary-soft);
            color: var(--primary);
            border-color: rgba(232, 69, 44, 0.3);
        }

        .tag--green {
            background: rgba(46, 158, 107, 0.1);
            color: var(--green);
            border-color: rgba(46, 158, 107, 0.3);
        }

        /* Brand Intro */
        .brand-intro {
            background: var(--bg-soft);
        }

        .brand-intro__layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .brand-intro__text {
            font-size: 15px;
            line-height: 2;
            color: var(--text-muted);
        }

        .brand-intro__text p {
            margin-bottom: 16px;
        }

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

        .brand-intro__img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .brand-intro__img img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

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

        .case-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: rgba(232, 69, 44, 0.3);
        }

        .case-card__img {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

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

        .case-card:hover .case-card__img img {
            transform: scale(1.06);
        }

        .case-card__img-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(28, 28, 30, 0.75);
            backdrop-filter: blur(6px);
            color: var(--white);
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 14px;
            font-weight: 500;
        }

        .case-card__body {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .case-card__title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
        }

        .case-card__data {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: auto;
            padding-top: 8px;
            border-top: 1px solid var(--border);
        }

        .case-card__data-item {
            font-size: 13px;
            color: var(--text-muted);
        }

        .case-card__data-item strong {
            color: var(--secondary);
            font-weight: 700;
            font-variant-numeric: tabular-nums;
        }

        /* Equipment Scroll */
        .equipment-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 24px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .equipment-scroll::-webkit-scrollbar {
            height: 4px;
        }

        .equipment-scroll::-webkit-scrollbar-track {
            background: var(--bg-soft);
            border-radius: 2px;
        }

        .equipment-scroll::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 2px;
        }

        .equipment-card {
            flex: 0 0 240px;
            scroll-snap-align: start;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .equipment-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(232, 69, 44, 0.3);
        }

        .equipment-card__icon {
            font-size: 32px;
            line-height: 1;
        }

        .equipment-card__name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }

        .equipment-card__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        /* Dry Goods List */
        .drygoods-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .drygoods-filter {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }

        .drygoods-item {
            display: flex;
            gap: 24px;
            padding: 22px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
        }

        .drygoods-item:hover {
            padding-left: 12px;
        }

        .drygoods-item__number {
            font-size: 32px;
            font-weight: 700;
            color: var(--secondary);
            font-variant-numeric: tabular-nums;
            flex-shrink: 0;
            width: 48px;
            line-height: 1.2;
            text-align: right;
        }

        .drygoods-item__content {
            flex: 1;
        }

        .drygoods-item__title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 6px;
            transition: color var(--transition);
        }

        .drygoods-item:hover .drygoods-item__title {
            color: var(--primary);
        }

        .drygoods-item__excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* Data Insight */
        .insight-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .insight-chart {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
        }

        .insight-chart__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
        }

        .insight-chart__bars {
            display: flex;
            align-items: flex-end;
            gap: 14px;
            height: 140px;
            padding-top: 20px;
        }

        .insight-chart__bar {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }

        .insight-chart__bar-fill {
            width: 100%;
            background: var(--primary);
            border-radius: 6px 6px 0 0;
            transition: all var(--transition);
            min-height: 20px;
        }

        .insight-chart__bar-fill:hover {
            background: var(--secondary);
            opacity: 0.9;
        }

        .insight-chart__bar-label {
            font-size: 11px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .insight-tags {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .insight-tag-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .insight-tag-item:hover {
            border-color: rgba(232, 69, 44, 0.3);
            box-shadow: var(--shadow-hover);
        }

        .insight-tag-item__icon {
            font-size: 22px;
            flex-shrink: 0;
        }

        .insight-tag-item__label {
            font-size: 13px;
            color: var(--text-muted);
            flex: 1;
        }

        .insight-tag-item__value {
            font-size: 22px;
            font-weight: 700;
            color: var(--secondary);
            font-variant-numeric: tabular-nums;
        }

        .insight-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.9;
            margin-top: 20px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(232, 69, 44, 0.3);
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            gap: 16px;
            transition: all var(--transition);
            user-select: none;
        }

        .faq-item__question-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
        }

        .faq-item__icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            font-size: 16px;
            color: var(--text-muted);
        }

        .faq-item.open .faq-item__icon {
            background: var(--primary);
            color: var(--white);
            transform: rotate(45deg);
        }

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-item__answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-item__answer-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.9;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        /* CTA Banner */
        .cta-banner {
            background: var(--primary);
            color: var(--white);
            padding: 60px 0;
            text-align: center;
        }

        .cta-banner__title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }

        .cta-banner__desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        /* Partners */
        .partners-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px 32px;
        }

        .partner-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: #b0aaa3;
            padding: 12px 20px;
            border-radius: var(--radius-md);
            background: var(--bg-soft);
            transition: all var(--transition);
            cursor: default;
            filter: grayscale(1);
            opacity: 0.6;
        }

        .partner-item:hover {
            color: var(--text);
            filter: grayscale(0);
            opacity: 1;
            background: var(--white);
            box-shadow: var(--shadow-sm);
        }

        .partner-item__icon {
            font-size: 20px;
        }

        /* Subscribe */
        .subscribe-section {
            background: var(--dark);
            color: var(--white);
        }

        .subscribe-section .section__title {
            color: var(--white);
        }

        .subscribe-section .section__desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 560px;
            margin: 0 auto;
        }

        .subscribe-form input {
            flex: 1;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--white);
            font-size: 15px;
            min-height: 48px;
            transition: all var(--transition);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .subscribe-form input:focus {
            border-color: var(--secondary);
            background: rgba(255, 255, 255, 0.15);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 140, 66, 0.2);
        }

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

        /* Footer */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
        }

        .footer__grid {
            display: grid;
            grid-template-columns: 2fr 1.5fr 1.5fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer__brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer .logo__text {
            color: var(--primary);
        }
        .footer .logo {
            color: var(--white);
        }

        .footer__brand-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer__social {
            display: flex;
            gap: 10px;
        }

        .footer__social-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: all var(--transition);
        }

        .footer__social-icon:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-3px);
        }

        .footer__title {
            font-size: 14px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 16px;
        }

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

        .footer__link {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
        }

        .footer__link:hover {
            color: var(--secondary);
            padding-left: 4px;
        }

        .footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer__bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer__bottom-link {
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--transition);
        }

        .footer__bottom-link:hover {
            color: var(--secondary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-spacing: 60px;
            }

            .hero__inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero__title {
                font-size: 30px;
            }

            .hero__visual {
                min-height: 280px;
            }
            .hero__visual img {
                min-height: 280px;
            }

            .data-bar__grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }

            .data-bar__value {
                font-size: 32px;
            }

            .category-card--large {
                grid-column: span 6;
            }
            .category-card--small {
                grid-column: span 6;
            }
            .category-card--wide {
                grid-column: span 12;
            }

            .trend-layout {
                grid-template-columns: 1fr;
            }

            .scenario-card--col-3,
            .scenario-card--col-4,
            .scenario-card--col-5,
            .scenario-card--col-6,
            .scenario-card--col-7 {
                grid-column: span 6;
            }

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

            .insight-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

        @media (max-width: 768px) {
            :root {
                --section-spacing: 48px;
            }

            .nav__links {
                display: none;
            }

            .nav__actions .btn {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-nav {
                display: block;
            }

            .header__inner {
                height: 60px;
            }

            .hero {
                padding: 40px 0 48px;
            }

            .hero__title {
                font-size: 24px;
            }

            .hero__subtitle {
                font-size: 14px;
            }

            .hero__stats {
                gap: 20px;
            }

            .hero__stat-value {
                font-size: 22px;
            }

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

            .data-bar__value {
                font-size: 26px;
            }

            .category-card--large,
            .category-card--small,
            .category-card--wide {
                grid-column: span 12;
            }

            .category-card--small .category-card__img {
                aspect-ratio: 16/9;
            }

            .trend-feature img {
                aspect-ratio: 16/9;
            }

            .scenario-card--col-3,
            .scenario-card--col-4,
            .scenario-card--col-5,
            .scenario-card--col-6,
            .scenario-card--col-7 {
                grid-column: span 12;
            }

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

            .brand-intro__layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .equipment-card {
                flex: 0 0 200px;
            }

            .drygoods-item {
                flex-direction: column;
                gap: 8px;
            }

            .drygoods-item__number {
                width: auto;
                text-align: left;
                font-size: 24px;
            }

            .insight-chart__bars {
                height: 100px;
                gap: 8px;
            }

            .faq-item__question {
                padding: 14px 16px;
            }
            .faq-item__answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-item__answer {
                padding: 0 16px 16px;
            }

            .cta-banner {
                padding: 40px 0;
            }

            .cta-banner__title {
                font-size: 22px;
            }

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

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

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

            .ticker__track {
                gap: 32px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .hero__title {
                font-size: 21px;
            }

            .hero__cta {
                flex-direction: column;
            }
            .hero__cta .btn {
                width: 100%;
            }

            .data-bar__value {
                font-size: 22px;
            }

            .section__title {
                font-size: 20px;
            }

            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category1 */
:root {
      --primary: #E8452C;
      --primary-hover: #C93A24;
      --primary-soft: #FDE8E3;
      --secondary: #FF8C42;
      --dark: #1C1C1E;
      --bg: #FAF7F2;
      --bg-soft: #F3EFE8;
      --border: #E5DFD5;
      --text: #1C1C1E;
      --text-muted: #6B6560;
      --green: #2E9E6B;
      --white: #FFFFFF;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --shadow-sm: 0 2px 12px rgba(28, 28, 30, 0.06);
      --shadow-hover: 0 8px 28px rgba(232, 69, 44, 0.12);
      --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      --font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Segoe UI', 'Noto Sans SC', sans-serif;
      --container-max: 1200px;
      --section-spacing: 60px;
      --section-spacing-mobile: 48px;
    }

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

    body {
      font-family: var(--font-family);
      font-size: 15px;
      font-weight: 400;
      line-height: 1.8;
      color: var(--text);
      background-color: var(--bg);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
    }

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

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

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

    button {
      cursor: pointer;
    }

    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 20px;
    }

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

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

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

    .section__header {
      margin-bottom: 32px;
    }

    .section__header--center {
      text-align: center;
    }

    .section__label {
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.08em;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 8px;
      display: block;
    }

    .section__title {
      font-size: 26px;
      font-weight: 600;
      line-height: 1.4;
      letter-spacing: -0.3px;
      color: var(--text);
    }

    .section--dark .section__title {
      color: var(--white);
    }

    .section__title .highlight {
      color: var(--primary);
    }

    .section__desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-top: 12px;
      max-width: 680px;
    }

    .section--dark .section__desc {
      color: rgba(255, 255, 255, 0.7);
    }

    /* Header */
    .header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(250, 247, 242, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      transition: box-shadow var(--transition);
    }

    .header.scrolled {
      box-shadow: 0 4px 20px rgba(28, 28, 30, 0.08);
    }

    .header__inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 68px;
      gap: 24px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      font-size: 20px;
      font-weight: 700;
      letter-spacing: -0.4px;
      color: var(--text);
    }

    .logo__icon {
      width: 36px;
      height: 36px;
      background: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      flex-shrink: 0;
    }

    .logo__icon::before {
      content: '';
      width: 8px;
      height: 8px;
      background: var(--white);
      border-radius: 50%;
      position: absolute;
    }

    .logo__icon::after {
      content: '';
      width: 18px;
      height: 18px;
      border: 2px solid rgba(255, 255, 255, 0.5);
      border-radius: 50%;
      position: absolute;
      animation: pulse-ring 2s infinite;
    }

    .logo__text {
      color: var(--primary);
    }

    .nav {
      display: flex;
      align-items: center;
      gap: 28px;
    }

    .nav__links {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .nav__link {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
      padding: 6px 2px;
      position: relative;
      white-space: nowrap;
      transition: color var(--transition);
    }

    .nav__link:hover,
    .nav__link.active {
      color: var(--text);
    }

    .nav__link.active::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }

    .nav__actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .search-icon {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      color: var(--text-muted);
      transition: all var(--transition);
    }

    .search-icon:hover {
      background: var(--bg-soft);
      color: var(--text);
    }

    .search-icon svg {
      width: 20px;
      height: 20px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      transition: all var(--transition);
      border: 1px solid transparent;
      min-height: 44px;
      cursor: pointer;
      line-height: 1.4;
    }

    .btn--primary {
      background: var(--primary);
      color: var(--white);
    }

    .btn--primary:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
      color: var(--white);
    }

    .btn--primary:focus-visible {
      outline: 3px solid rgba(232, 69, 44, 0.4);
      outline-offset: 2px;
    }

    .btn--outline {
      background: transparent;
      border-color: var(--primary);
      color: var(--primary);
    }

    .btn--outline:hover {
      background: var(--primary-soft);
      transform: translateY(-2px);
      color: var(--primary);
    }

    .btn--outline:focus-visible {
      outline: 3px solid rgba(232, 69, 44, 0.4);
      outline-offset: 2px;
    }

    .btn--light {
      background: var(--white);
      color: var(--dark);
    }

    .btn--light:hover {
      background: var(--primary-soft);
      transform: translateY(-2px);
      color: var(--primary);
    }

    .hamburger {
      display: none;
      width: 44px;
      height: 44px;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      border-radius: 8px;
      transition: background var(--transition);
      z-index: 1002;
    }

    .hamburger span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text);
      border-radius: 2px;
      transition: all var(--transition);
    }

    .hamburger:hover {
      background: var(--bg-soft);
    }

    /* Breadcrumb */
    .breadcrumb {
      padding: 20px 0 0;
      font-size: 13px;
      color: var(--text-muted);
    }

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

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

    .breadcrumb .separator {
      margin: 0 8px;
      color: var(--border);
    }

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

    /* Category header */
    .category-header {
      padding: 40px 0 32px;
    }

    .category-header__content {
      max-width: 800px;
    }

    .category-header h1 {
      font-size: 34px;
      font-weight: 700;
      letter-spacing: -0.5px;
      line-height: 1.3;
      margin-bottom: 16px;
      color: var(--text);
    }

    .category-header p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 0;
    }

    /* Article list */
    .article-list-section {
      padding: 24px 0 48px;
    }

    .article-list-layout {
      display: grid;
      grid-template-columns: 1fr 320px;
      gap: 32px;
    }

    .article-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .article-card {
      display: flex;
      gap: 20px;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 18px;
      transition: all var(--transition);
      box-shadow: var(--shadow-sm);
    }

    .article-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
      border-color: rgba(232, 69, 44, 0.25);
    }

    .article-card__thumb {
      width: 180px;
      min-width: 180px;
      border-radius: var(--radius-md);
      overflow: hidden;
      aspect-ratio: 16/9;
    }

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

    .article-card:hover .article-card__thumb img {
      transform: scale(1.05);
    }

    .article-card__body {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: flex-start;
      min-width: 0;
    }

    .article-card__meta {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 6px;
    }

    .article-card__tag {
      display: inline-block;
      padding: 2px 10px;
      background: var(--primary-soft);
      color: var(--primary);
      border-radius: 20px;
      font-size: 12px;
      font-weight: 500;
      flex-shrink: 0;
    }

    .article-card__title {
      font-size: 17px;
      font-weight: 600;
      line-height: 1.5;
      color: var(--text);
      margin-bottom: 6px;
      transition: color var(--transition);
    }

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

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

    /* Sidebar */
    .sidebar {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .sidebar__widget {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 20px;
      box-shadow: var(--shadow-sm);
    }

    .sidebar__widget h3 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 14px;
      color: var(--text);
    }

    .sidebar__tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .sidebar__tag {
      padding: 5px 14px;
      background: var(--bg-soft);
      border-radius: 20px;
      font-size: 13px;
      color: var(--text-muted);
      transition: all var(--transition);
    }

    .sidebar__tag:hover {
      background: var(--primary-soft);
      color: var(--primary);
    }

    .sidebar__subscribe {
      background: var(--primary);
      color: var(--white);
      border: none;
      border-radius: var(--radius-lg);
      padding: 20px;
    }

    .sidebar__subscribe h3 {
      color: var(--white);
      font-size: 17px;
    }

    .sidebar__subscribe p {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.8);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .sidebar__subscribe .btn--light {
      width: 100%;
      padding: 10px 16px;
      font-size: 14px;
      min-height: 40px;
    }

    .sidebar__link {
      display: block;
      padding: 10px 0;
      font-size: 14px;
      color: var(--text-muted);
      border-bottom: 1px solid var(--border);
      transition: color var(--transition);
    }

    .sidebar__link:last-child {
      border-bottom: none;
    }

    .sidebar__link:hover {
      color: var(--primary);
    }

    /* Load more */
    .article-list__more {
      display: flex;
      justify-content: center;
      margin-top: 8px;
    }

    /* Featured section */
    .featured-section {
      padding: 48px 0;
    }

    .featured-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .featured-card--large {
      grid-row: span 2;
      display: flex;
      flex-direction: column;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
    }

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

    .featured-card--large img {
      width: 100%;
      aspect-ratio: 16/9;
      object-fit: cover;
    }

    .featured-card--large .featured-card__body {
      padding: 24px;
      flex: 1;
    }

    .featured-card__label {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .featured-card__title {
      font-size: 20px;
      font-weight: 600;
      line-height: 1.4;
      margin-bottom: 10px;
      color: var(--text);
    }

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

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

    .featured-card--small {
      display: flex;
      gap: 16px;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 18px;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
    }

    .featured-card--small:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }

    .featured-card--small .featured-card__icon {
      width: 48px;
      height: 48px;
      min-width: 48px;
      background: var(--primary-soft);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: var(--primary);
    }

    /* Related categories */
    .related-section {
      padding: 48px 0;
      background: var(--bg-soft);
    }

    .related-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .related-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      transition: all var(--transition);
      box-shadow: var(--shadow-sm);
    }

    .related-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
      border-color: rgba(232, 69, 44, 0.25);
    }

    .related-card__icon {
      width: 48px;
      height: 48px;
      margin: 0 auto 12px;
      background: var(--primary-soft);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: var(--primary);
    }

    .related-card__name {
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 4px;
    }

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

    /* Data snapshot */
    .data-snapshot {
      padding: 48px 0;
    }

    .data-snapshot__grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .data-snapshot__item {
      text-align: center;
      padding: 24px 16px;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
    }

    .data-snapshot__number {
      font-size: 36px;
      font-weight: 700;
      color: var(--secondary);
      font-variant-numeric: tabular-nums;
      line-height: 1.2;
      margin-bottom: 6px;
    }

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

    /* CTA banner */
    .cta-banner {
      padding: 40px 0;
    }

    .cta-banner__inner {
      background: var(--primary);
      border-radius: var(--radius-xl);
      padding: 40px 32px;
      text-align: center;
      color: var(--white);
    }

    .cta-banner__title {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 10px;
      letter-spacing: -0.3px;
    }

    .cta-banner__desc {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.85);
      margin-bottom: 20px;
    }

    /* Footer */
    .footer {
      background: var(--dark);
      color: rgba(255, 255, 255, 0.75);
      padding: 48px 0 24px;
      margin-top: 48px;
    }

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

    .footer .logo__text {
      color: var(--white);
    }

    .footer .logo {
      color: var(--white);
    }

    .footer__brand-desc {
      font-size: 13px;
      line-height: 1.7;
      margin-top: 16px;
      max-width: 360px;
      color: rgba(255, 255, 255, 0.65);
    }

    .footer__social {
      display: flex;
      gap: 12px;
      margin-top: 16px;
    }

    .footer__social-icon {
      width: 40px;
      height: 40px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      cursor: pointer;
      transition: all var(--transition);
    }

    .footer__social-icon:hover {
      background: rgba(255, 255, 255, 0.16);
      transform: translateY(-2px);
    }

    .footer__title {
      font-size: 14px;
      font-weight: 600;
      color: var(--white);
      margin-bottom: 14px;
    }

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

    .footer__link {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.65);
      transition: color var(--transition);
    }

    .footer__link:hover {
      color: var(--white);
    }

    .footer__bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding-top: 20px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      font-size: 12px;
      color: rgba(255, 255, 255, 0.5);
    }

    .footer__bottom-links {
      display: flex;
      gap: 16px;
      margin-left: auto;
    }

    .footer__bottom-links a {
      color: rgba(255, 255, 255, 0.5);
      font-size: 12px;
      transition: color var(--transition);
    }

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

    /* Responsive */
    @media (max-width: 1024px) {
      .article-list-layout {
        grid-template-columns: 1fr;
      }
      .sidebar {
        order: 2;
      }
      .featured-grid {
        grid-template-columns: 1fr;
      }
      .featured-card--large {
        grid-row: auto;
      }
      .related-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .data-snapshot__grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav__links {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--bg);
        flex-direction: column;
        padding: 16px 20px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 10px 24px rgba(28,28,30,0.1);
      }
      .nav__links.open {
        display: flex;
      }
      .nav__link {
        padding: 12px 0;
        font-size: 16px;
        border-bottom: 1px solid var(--border);
      }
      .nav__link:last-child {
        border-bottom: none;
      }
      .nav__link.active::after {
        display: none;
      }
      .hamburger {
        display: flex;
      }
      .nav__actions .btn {
        display: none;
      }
      .nav__actions {
        gap: 8px;
      }
      .article-card {
        flex-direction: column;
      }
      .article-card__thumb {
        width: 100%;
        min-width: 100%;
        aspect-ratio: 16/9;
      }
      .data-snapshot__grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
      }
      .data-snapshot__number {
        font-size: 28px;
      }
      .footer__grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer__bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
      .footer__bottom-links {
        margin-left: 0;
        flex-wrap: wrap;
      }
      .category-header h1 {
        font-size: 28px;
      }
      .section {
        padding: var(--section-spacing-mobile) 0;
      }
    }

    @media (max-width: 520px) {
      .related-grid {
        grid-template-columns: 1fr;
      }
      .data-snapshot__grid {
        grid-template-columns: 1fr 1fr;
      }
      .featured-card--small {
        flex-direction: column;
      }
    }

    @keyframes pulse-ring {
      0%, 100% {
        transform: scale(1);
        opacity: 1;
      }
      50% {
        transform: scale(1.4);
        opacity: 0.4;
      }
    }

/* roulang page: category2 */
:root {
            --primary: #E8452C;
            --primary-hover: #C93A24;
            --primary-soft: #FDE8E3;
            --secondary: #FF8C42;
            --dark: #1C1C1E;
            --bg: #FAF7F2;
            --bg-soft: #F3EFE8;
            --border: #E5DFD5;
            --text: #1C1C1E;
            --text-muted: #6B6560;
            --green: #2E9E6B;
            --white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 12px rgba(28, 28, 30, 0.06);
            --shadow-hover: 0 8px 28px rgba(232, 69, 44, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Segoe UI', 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --section-spacing: 60px;
            --section-spacing-mobile: 48px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 15px;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

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

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

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

        .section__header {
            margin-bottom: 32px;
        }
        .section__header--center {
            text-align: center;
        }

        .section__label {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }

        .section__title {
            font-size: 26px;
            font-weight: 600;
            line-height: 1.4;
            letter-spacing: -0.3px;
            color: var(--text);
        }
        .section--dark .section__title {
            color: var(--white);
        }
        .section__title .highlight {
            color: var(--primary);
        }

        .section__desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-top: 12px;
            max-width: 680px;
        }
        .section--dark .section__desc {
            color: rgba(255,255,255,0.7);
        }

        /* Header */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(250, 247, 242, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .header.scrolled {
            box-shadow: 0 4px 20px rgba(28,28,30,0.08);
        }
        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.4px;
            color: var(--text);
        }
        .logo__icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }
        .logo__icon::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--white);
            border-radius: 50%;
            position: absolute;
        }
        .logo__icon::after {
            content: '';
            width: 18px;
            height: 18px;
            border: 2px solid rgba(255,255,255,0.5);
            border-radius: 50%;
            position: absolute;
            animation: pulse-ring 2s infinite;
        }
        .logo__text {
            color: var(--primary);
        }
        @keyframes pulse-ring {
            0% { transform: scale(0.8); opacity: 1; }
            70% { transform: scale(1.4); opacity: 0; }
            100% { transform: scale(1.4); opacity: 0; }
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .nav__links {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .nav__link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .nav__link:hover,
        .nav__link.active {
            color: var(--text);
        }
        .nav__link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav__actions {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-shrink: 0;
        }
        .search-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: all var(--transition);
            padding: 0;
        }
        .search-icon:hover {
            background: var(--bg-soft);
            color: var(--text);
        }
        .search-icon svg {
            width: 20px;
            height: 20px;
        }
        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            padding: 0;
            border-radius: var(--radius-md);
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: var(--bg-soft);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
            transform-origin: center;
        }
        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition);
            white-space: nowrap;
            min-height: 44px;
            line-height: 1.2;
            cursor: pointer;
        }
        .btn--primary {
            background: var(--primary);
            color: var(--white);
            border: 1px solid var(--primary);
        }
        .btn--primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn--primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn--outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn--outline:hover {
            background: var(--primary-soft);
            color: var(--primary-hover);
            transform: translateY(-2px);
        }
        .btn--white {
            background: var(--white);
            color: var(--text);
            border: 1px solid var(--white);
        }
        .btn--white:hover {
            background: var(--bg-soft);
            color: var(--text);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .btn--dark {
            background: var(--dark);
            color: var(--white);
            border: 1px solid var(--dark);
        }
        .btn--dark:hover {
            background: #2a2a2d;
            color: var(--white);
            transform: translateY(-2px);
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 18px 0 0;
            background: transparent;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            margin: 0;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .breadcrumb-sep {
            color: var(--border);
            font-size: 10px;
            user-select: none;
        }
        .breadcrumb .breadcrumb-current {
            color: var(--text);
            font-weight: 500;
        }

        /* Category H1 */
        .category-header {
            padding: 28px 0 36px;
        }
        .category-header__inner {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 40px;
            align-items: start;
        }
        .category-header__content {
            max-width: 720px;
        }
        .category-header__title {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .category-header__desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.9;
            margin-bottom: 0;
        }
        .category-header__meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 18px;
        }
        .category-header__tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .category-header__tag:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .category-header__aside {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .category-header__aside-title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
            color: var(--text);
        }
        .category-header__aside-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .category-header__aside-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            color: var(--text-muted);
            padding-bottom: 10px;
            border-bottom: 1px solid var(--bg-soft);
        }
        .category-header__aside-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .category-header__aside-value {
            font-weight: 600;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
        }

        /* Main list layout */
        .list-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 36px;
            align-items: start;
        }
        .list-main {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .list-card {
            display: grid;
            grid-template-columns: 180px 1fr;
            gap: 20px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .list-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(232, 69, 44, 0.3);
            transform: translateY(-2px);
        }
        .list-card__thumb {
            width: 100%;
            aspect-ratio: 16/10;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-soft);
            flex-shrink: 0;
        }
        .list-card__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .list-card:hover .list-card__thumb img {
            transform: scale(1.05);
        }
        .list-card__body {
            display: flex;
            flex-direction: column;
            min-width: 0;
        }
        .list-card__title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text);
        }
        .list-card__title a {
            color: inherit;
        }
        .list-card__title a:hover {
            color: var(--primary);
        }
        .list-card__excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .list-card__meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: auto;
            font-size: 13px;
            color: var(--text-muted);
        }
        .list-card__tag {
            display: inline-flex;
            padding: 3px 10px;
            background: var(--primary-soft);
            color: var(--primary-hover);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            white-space: nowrap;
        }
        .list-card__date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: sticky;
            top: 88px;
        }
        .sidebar__widget {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar__title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text);
        }
        .sidebar__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar__tag {
            display: inline-flex;
            padding: 6px 14px;
            background: var(--bg-soft);
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-muted);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .sidebar__tag:hover {
            background: var(--primary-soft);
            color: var(--primary);
            border-color: rgba(232, 69, 44, 0.2);
        }
        .sidebar__subscribe {
            background: var(--dark);
            color: var(--white);
            border-radius: var(--radius-lg);
            padding: 24px;
        }
        .sidebar__subscribe-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--white);
        }
        .sidebar__subscribe-desc {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .sidebar__subscribe-input {
            display: flex;
            gap: 8px;
        }
        .sidebar__subscribe-input input {
            flex: 1;
            min-width: 0;
            padding: 10px 14px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-md);
            color: var(--white);
            font-size: 14px;
            transition: border-color var(--transition);
        }
        .sidebar__subscribe-input input::placeholder {
            color: rgba(255,255,255,0.4);
        }
        .sidebar__subscribe-input input:focus {
            border-color: rgba(255,255,255,0.4);
        }
        .sidebar__subscribe-input button {
            padding: 10px 16px;
            background: var(--primary);
            color: var(--white);
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition);
            white-space: nowrap;
        }
        .sidebar__subscribe-input button:hover {
            background: var(--primary-hover);
        }

        /* Featured section */
        .feature-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 24px;
        }
        .feature-card--large {
            grid-row: span 2;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .feature-card--large:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .feature-card--large__thumb {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-soft);
        }
        .feature-card--large__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .feature-card--large:hover .feature-card--large__thumb img {
            transform: scale(1.05);
        }
        .feature-card--large__body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .feature-card--large__title {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 12px;
        }
        .feature-card--large__title a:hover {
            color: var(--primary);
        }
        .feature-card--large__desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .feature-card--large__meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: auto;
        }
        .feature-card--small {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-card--small:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(232, 69, 44, 0.25);
        }
        .feature-card--small__title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .feature-card--small__title a:hover {
            color: var(--primary);
        }
        .feature-card--small__desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Related categories */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(232, 69, 44, 0.25);
        }
        .related-card__icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 20px;
        }
        .related-card__body {
            min-width: 0;
        }
        .related-card__title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 2px;
            color: var(--text);
        }
        .related-card__title a:hover {
            color: var(--primary);
        }
        .related-card__desc {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* Stats snapshot */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .stat-card__value {
            font-size: 36px;
            font-weight: 700;
            color: var(--secondary);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-card__label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* CTA banner */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary) 0%, #d63c24 100%);
            border-radius: var(--radius-xl);
            padding: 44px 40px;
            text-align: center;
            color: var(--white);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 18px;
        }
        .cta-banner__title {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: -0.3px;
        }
        .cta-banner__desc {
            font-size: 15px;
            color: rgba(255,255,255,0.85);
            max-width: 500px;
            line-height: 1.7;
        }
        .cta-banner .btn {
            margin-top: 4px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(232, 69, 44, 0.25);
        }
        .faq-item__button {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            gap: 16px;
            min-height: 44px;
            transition: background var(--transition);
        }
        .faq-item__button:hover {
            background: var(--bg-soft);
        }
        .faq-item__icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 16px;
            font-weight: 700;
            transition: transform var(--transition);
        }
        .faq-item[open] .faq-item__icon {
            transform: rotate(45deg);
        }
        .faq-item__answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* Footer */
        .footer {
            background: var(--dark);
            color: rgba(255,255,255,0.75);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer__brand-desc {
            font-size: 14px;
            color: rgba(255,255,255,0.6);
            line-height: 1.8;
            margin-top: 14px;
            max-width: 360px;
        }
        .footer__social {
            display: flex;
            gap: 12px;
            margin-top: 18px;
        }
        .footer__social-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
            cursor: default;
            font-size: 16px;
            transition: background var(--transition);
        }
        .footer__social-icon:hover {
            background: rgba(232, 69, 44, 0.3);
        }
        .footer__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 16px;
        }
        .footer__links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer__link {
            font-size: 14px;
            color: rgba(255,255,255,0.6);
            transition: color var(--transition);
        }
        .footer__link:hover {
            color: var(--primary);
        }
        .footer__bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 13px;
            color: rgba(255,255,255,0.5);
        }
        .footer__bottom-links {
            display: flex;
            gap: 14px;
            margin-left: auto;
            flex-wrap: wrap;
        }
        .footer__bottom-links a {
            font-size: 13px;
            color: rgba(255,255,255,0.5);
            transition: color var(--transition);
        }
        .footer__bottom-links a:hover {
            color: var(--primary);
        }
        .footer .logo__text {
            color: var(--white);
        }
        .footer .logo__icon {
            background: var(--primary);
        }
        .footer .logo {
            color: var(--white);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav__links {
                gap: 16px;
            }
            .nav__link {
                font-size: 13px;
            }
            .category-header__inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .category-header__aside {
                max-width: 400px;
            }
            .list-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .feature-card--large {
                grid-row: auto;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--section-spacing-mobile) 0;
            }
            .section__title {
                font-size: 22px;
            }
            .header__inner {
                height: 60px;
                gap: 12px;
            }
            .nav__links {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--bg);
                flex-direction: column;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-sm);
                gap: 4px;
                z-index: 999;
            }
            .nav__links.is-open {
                display: flex;
            }
            .nav__link {
                padding: 12px 8px;
                font-size: 15px;
                border-bottom: 1px solid var(--bg-soft);
            }
            .nav__link:last-child {
                border-bottom: none;
            }
            .nav__link.active::after {
                display: none;
            }
            .nav__link.active {
                color: var(--primary);
                font-weight: 600;
            }
            .hamburger {
                display: flex;
            }
            .nav__actions .btn {
                display: none;
            }
            .category-header__title {
                font-size: 26px;
            }
            .list-card {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .list-card__thumb {
                aspect-ratio: 16/9;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card__value {
                font-size: 28px;
            }
            .cta-banner {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-banner__title {
                font-size: 20px;
            }
            .faq-item__button {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-item__answer {
                padding: 0 18px 16px;
                font-size: 13px;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer__bottom-links {
                margin-left: 0;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .category-header__title {
                font-size: 22px;
            }
            .category-header__desc {
                font-size: 14px;
            }
            .list-card__title {
                font-size: 15px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .cta-banner__title {
                font-size: 18px;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 4px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #E8452C;
            --primary-hover: #C93A24;
            --primary-soft: #FDE8E3;
            --secondary: #FF8C42;
            --dark: #1C1C1E;
            --bg: #FAF7F2;
            --bg-soft: #F3EFE8;
            --border: #E5DFD5;
            --text: #1C1C1E;
            --text-muted: #6B6560;
            --green: #2E9E6B;
            --white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 12px rgba(28, 28, 30, 0.06);
            --shadow-hover: 0 8px 28px rgba(232, 69, 44, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Segoe UI', 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --section-spacing: 72px;
            --section-spacing-mobile: 48px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 15px;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding: var(--section-spacing) 0;
        }
        .section--alt {
            background-color: var(--bg-soft);
        }
        .section--dark {
            background-color: var(--dark);
            color: var(--white);
        }
        .section__header {
            margin-bottom: 32px;
        }
        .section__header--center {
            text-align: center;
        }
        .section__label {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }
        .section__title {
            font-size: 26px;
            font-weight: 600;
            line-height: 1.4;
            letter-spacing: -0.3px;
            color: var(--text);
        }
        .section--dark .section__title {
            color: var(--white);
        }
        .section__title .highlight {
            color: var(--primary);
        }
        .section__desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-top: 12px;
            max-width: 680px;
        }
        .section--dark .section__desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* Header */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(250, 247, 242, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .header.scrolled {
            box-shadow: 0 4px 20px rgba(28, 28, 30, 0.08);
        }
        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.4px;
            color: var(--text);
        }
        .logo__icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }
        .logo__icon::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--white);
            border-radius: 50%;
            position: absolute;
        }
        .logo__icon::after {
            content: '';
            width: 18px;
            height: 18px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 50%;
            position: absolute;
            animation: pulse-ring 2s infinite;
        }
        @keyframes pulse-ring {
            0% { transform: scale(1); opacity: 1; }
            100% { transform: scale(1.8); opacity: 0; }
        }
        .logo__text {
            color: var(--primary);
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .nav__links {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .nav__link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .nav__link:hover,
        .nav__link.active {
            color: var(--text);
        }
        .nav__link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav__actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .search-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .search-icon:hover {
            background: var(--bg-soft);
            color: var(--text);
            border-color: var(--border);
        }
        .search-icon svg {
            width: 18px;
            height: 18px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-md);
            padding: 12px 28px;
            min-height: 44px;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn--primary {
            background: var(--primary);
            color: var(--white);
        }
        .btn--primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            color: var(--white);
        }
        .btn--outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn--outline:hover {
            background: var(--primary-soft);
            color: var(--primary-hover);
            transform: translateY(-2px);
        }
        .btn--white {
            background: var(--white);
            color: var(--dark);
        }
        .btn--white:hover {
            background: #f0ebe4;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0,0,0,0.18);
        }
        .btn--sm {
            padding: 8px 18px;
            font-size: 13px;
            min-height: 36px;
            border-radius: 8px;
        }
        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: var(--bg-soft);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 20px 0 0;
        }
        .breadcrumb-nav {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
        }
        .breadcrumb-nav .separator {
            color: var(--border);
            font-size: 11px;
        }
        .breadcrumb-nav .current {
            color: var(--text);
            font-weight: 500;
        }

        /* Page H1 area */
        .page-hero {
            padding: 36px 0 28px;
        }
        .page-hero__content {
            max-width: 820px;
        }
        .page-hero__title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.5px;
            color: var(--text);
            margin-bottom: 16px;
        }
        .page-hero__desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.9;
            max-width: 760px;
        }

        /* Article list section */
        .article-list-section {
            padding-top: 10px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 36px;
        }
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .article-card {
            display: grid;
            grid-template-columns: 180px 1fr;
            gap: 20px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .article-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--primary-soft);
        }
        .article-card__img {
            width: 100%;
            height: 110px;
            object-fit: cover;
            border-radius: var(--radius-md);
            flex-shrink: 0;
        }
        .article-card__body {
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 0;
        }
        .article-card__tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-card__tag {
            font-size: 11px;
            font-weight: 500;
            padding: 2px 10px;
            border-radius: 20px;
            background: var(--primary-soft);
            color: var(--primary);
            white-space: nowrap;
        }
        .article-card__title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text);
            margin: 2px 0;
            transition: color var(--transition);
        }
        .article-card:hover .article-card__title {
            color: var(--primary);
        }
        .article-card__excerpt {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card__meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .article-card__date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-card__date::before {
            content: '';
            width: 5px;
            height: 5px;
            background: var(--secondary);
            border-radius: 50%;
        }
        .load-more-wrap {
            display: flex;
            justify-content: center;
            margin-top: 32px;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card__title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--bg-soft);
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags a {
            font-size: 12px;
            padding: 6px 14px;
            border-radius: 20px;
            background: var(--bg-soft);
            color: var(--text-muted);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .sidebar-tags a:hover {
            background: var(--primary-soft);
            color: var(--primary);
            border-color: var(--primary-soft);
        }
        .sidebar-subscribe__desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .sidebar-subscribe__form {
            display: flex;
            gap: 8px;
        }
        .sidebar-subscribe__input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--text);
            background: var(--bg);
            min-height: 44px;
            transition: border-color var(--transition);
        }
        .sidebar-subscribe__input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 44, 0.08);
        }
        .sidebar-subscribe__form .btn {
            flex-shrink: 0;
        }

        /* Featured section */
        .featured-section {
            background-color: var(--bg-soft);
        }
        .featured-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 24px;
        }
        .featured-main {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .featured-main:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .featured-main__img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }
        .featured-main__body {
            padding: 24px 28px 28px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .featured-main__tag {
            align-self: flex-start;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 20px;
            background: var(--primary-soft);
            color: var(--primary);
        }
        .featured-main__title {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text);
            transition: color var(--transition);
        }
        .featured-main:hover .featured-main__title {
            color: var(--primary);
        }
        .featured-main__desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .featured-small {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .featured-small__card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
            cursor: pointer;
        }
        .featured-small__card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--primary-soft);
        }
        .featured-small__tag {
            font-size: 11px;
            font-weight: 500;
            color: var(--secondary);
        }
        .featured-small__title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text);
            transition: color var(--transition);
        }
        .featured-small__card:hover .featured-small__title {
            color: var(--primary);
        }
        .featured-small__desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* Stats snapshot */
        .stats-snapshot {
            background-color: var(--dark);
            color: var(--white);
        }
        .stats-snapshot__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .stats-snapshot__item {
            text-align: center;
            padding: 12px 0;
        }
        .stats-snapshot__number {
            font-size: 42px;
            font-weight: 700;
            color: var(--secondary);
            font-variant-numeric: tabular-nums;
            letter-spacing: -1px;
            line-height: 1.2;
            display: block;
        }
        .stats-snapshot__label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 6px;
            display: block;
        }

        /* Related categories */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--primary-soft);
        }
        .related-card__icon {
            font-size: 28px;
            margin-bottom: 6px;
        }
        .related-card__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            transition: color var(--transition);
        }
        .related-card:hover .related-card__title {
            color: var(--primary);
        }
        .related-card__desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* FAQ */
        .faq-section {
            background-color: var(--bg-soft);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 780px;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-item__question {
            width: 100%;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            min-height: 56px;
            border-radius: var(--radius-lg);
            transition: background var(--transition);
        }
        .faq-item__question:hover {
            background: var(--bg-soft);
        }
        .faq-item__question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }
        .faq-item__icon {
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform var(--transition);
            font-weight: 400;
            line-height: 1;
        }
        .faq-item[aria-expanded="true"] .faq-item__icon {
            transform: rotate(45deg);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .faq-item[aria-expanded="true"] .faq-item__answer {
            max-height: 400px;
        }
        .faq-item__answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* CTA */
        .cta-band {
            background: var(--primary);
            color: var(--white);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            box-shadow: 0 12px 40px rgba(232, 69, 44, 0.25);
        }
        .cta-band__title {
            font-size: 26px;
            font-weight: 700;
            color: var(--white);
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .cta-band__desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        /* Footer */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer__brand-desc {
            font-size: 13px;
            line-height: 1.7;
            margin: 16px 0 20px;
            max-width: 360px;
        }
        .footer .logo {
            color: var(--white);
        }
        .footer__social {
            display: flex;
            gap: 12px;
        }
        .footer__social-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            transition: all var(--transition);
        }
        .footer__social-icon:hover {
            background: var(--primary);
            transform: translateY(-2px);
        }
        .footer__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 16px;
        }
        .footer__links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer__link {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
        }
        .footer__link:hover {
            color: var(--white);
            padding-left: 4px;
        }
        .footer__bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer__bottom-links {
            display: flex;
            gap: 14px;
            margin-left: auto;
        }
        .footer__bottom-links a {
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--transition);
            font-size: 12px;
        }
        .footer__bottom-links a:hover {
            color: var(--white);
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg);
            z-index: 999;
            padding: 24px 20px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu__link {
            font-size: 17px;
            font-weight: 500;
            color: var(--text);
            padding: 14px 16px;
            border-radius: var(--radius-md);
            transition: background var(--transition);
        }
        .mobile-menu__link:hover,
        .mobile-menu__link.active {
            background: var(--primary-soft);
            color: var(--primary);
        }
        .mobile-menu .btn {
            margin-top: 16px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root { --section-spacing: 56px; }
            .nav__links { gap: 14px; }
            .nav__link { font-size: 13px; }
            .article-layout { grid-template-columns: 1fr; }
            .sidebar { flex-direction: row; flex-wrap: wrap; }
            .sidebar-card { flex: 1; min-width: 260px; }
            .featured-grid { grid-template-columns: 1fr; }
            .featured-main__img { height: 220px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-snapshot__grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
            .footer__grid { grid-template-columns: 1fr 1fr; gap: 30px; }
        }
        @media (max-width: 768px) {
            :root { --section-spacing: var(--section-spacing-mobile); }
            .nav__links { display: none; }
            .hamburger { display: flex; }
            .nav__actions .btn--primary { display: none; }
            .nav__actions { gap: 8px; }
            .page-hero__title { font-size: 26px; }
            .article-card { grid-template-columns: 120px 1fr; gap: 14px; padding: 14px; }
            .article-card__img { height: 76px; }
            .article-card__title { font-size: 14px; }
            .article-card__excerpt { font-size: 12px; -webkit-line-clamp: 2; }
            .sidebar { flex-direction: column; }
            .featured-main__img { height: 180px; }
            .featured-main__body { padding: 20px; }
            .featured-main__title { font-size: 17px; }
            .related-grid { grid-template-columns: 1fr; }
            .stats-snapshot__number { font-size: 32px; }
            .cta-band { padding: 36px 24px; }
            .cta-band__title { font-size: 22px; }
            .footer__grid { grid-template-columns: 1fr; gap: 28px; }
            .footer__bottom { flex-direction: column; align-items: flex-start; gap: 10px; }
            .footer__bottom-links { margin-left: 0; flex-wrap: wrap; }
        }
        @media (max-width: 520px) {
            .article-card { grid-template-columns: 1fr; }
            .article-card__img { width: 100%; height: 160px; }
            .sidebar-subscribe__form { flex-direction: column; }
            .stats-snapshot__grid { gap: 16px; }
            .stats-snapshot__number { font-size: 26px; }
            .featured-main__img { height: 150px; }
        }

/* roulang page: category3 */
:root {
            --primary: #E8452C;
            --primary-hover: #C93A24;
            --primary-soft: #FDE8E3;
            --secondary: #FF8C42;
            --dark: #1C1C1E;
            --bg: #FAF7F2;
            --bg-soft: #F3EFE8;
            --border: #E5DFD5;
            --text: #1C1C1E;
            --text-muted: #6B6560;
            --green: #2E9E6B;
            --white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 12px rgba(28, 28, 30, 0.06);
            --shadow-hover: 0 8px 28px rgba(232, 69, 44, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Segoe UI', 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --section-spacing: 72px;
            --section-spacing-mobile: 48px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 15px;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--primary);
        }

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

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

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

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

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

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

        .section__header {
            margin-bottom: 32px;
        }

        .section__header--center {
            text-align: center;
        }

        .section__label {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }

        .section__title {
            font-size: 26px;
            font-weight: 600;
            line-height: 1.4;
            letter-spacing: -0.3px;
            color: var(--text);
        }

        .section--dark .section__title {
            color: var(--white);
        }

        .section__title .highlight {
            color: var(--primary);
        }

        .section__desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-top: 12px;
            max-width: 680px;
        }

        .section--dark .section__desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* Header */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(250, 247, 242, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .header.scrolled {
            box-shadow: 0 4px 20px rgba(28, 28, 30, 0.08);
        }

        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.4px;
            color: var(--text);
        }

        .logo__icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }

        .logo__icon::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--white);
            border-radius: 50%;
            position: absolute;
        }

        .logo__icon::after {
            content: '';
            width: 18px;
            height: 18px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 50%;
            position: absolute;
            animation: pulse-ring 2s infinite;
        }

        .logo__text {
            color: var(--primary);
        }

        @keyframes pulse-ring {
            0% {
                transform: scale(0.6);
                opacity: 1;
            }
            100% {
                transform: scale(1.4);
                opacity: 0;
            }
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav__links {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav__link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }

        .nav__link:hover,
        .nav__link.active {
            color: var(--text);
        }

        .nav__link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav__actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .search-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--text-muted);
            transition: background var(--transition), color var(--transition);
            flex-shrink: 0;
        }

        .search-icon:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .search-icon svg {
            width: 20px;
            height: 20px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-md);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            min-height: 44px;
            white-space: nowrap;
            cursor: pointer;
        }

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

        .btn--primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            color: var(--white);
        }

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

        .btn--secondary:hover {
            background: var(--primary-soft);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn--light {
            background: var(--white);
            color: var(--dark);
            border: 1px solid var(--white);
        }

        .btn--light:hover {
            background: #f0ebe2;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.15);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: transparent;
            transition: background var(--transition);
            flex-shrink: 0;
        }

        .hamburger:hover {
            background: var(--primary-soft);
        }

        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

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

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

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

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg);
            z-index: 999;
            padding: 24px 20px;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
            border-top: 1px solid var(--border);
        }

        .mobile-drawer.is-open {
            display: flex;
        }

        .mobile-drawer__link {
            font-size: 17px;
            font-weight: 500;
            padding: 14px 12px;
            border-bottom: 1px solid var(--border);
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-radius: 8px;
            transition: background var(--transition), color var(--transition);
        }

        .mobile-drawer__link:hover,
        .mobile-drawer__link.is-active {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .mobile-drawer__link .arrow {
            color: var(--text-muted);
            font-size: 14px;
        }

        .mobile-drawer__cta {
            margin-top: 16px;
            width: 100%;
        }

        /* Search overlay */
        .search-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(28, 28, 30, 0.65);
            z-index: 1100;
            align-items: flex-start;
            justify-content: center;
            padding: 100px 20px 20px;
        }

        .search-overlay.is-open {
            display: flex;
        }

        .search-overlay__box {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px;
            width: 100%;
            max-width: 600px;
            box-shadow: 0 20px 60px rgba(28, 28, 30, 0.25);
        }

        .search-overlay__input-row {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .search-overlay__input {
            flex: 1;
            padding: 14px 18px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            font-size: 15px;
            background: var(--bg);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .search-overlay__input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 44, 0.12);
        }

        .search-overlay__close {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg-soft);
            color: var(--text-muted);
            font-size: 20px;
            transition: background var(--transition), color var(--transition);
            flex-shrink: 0;
        }

        .search-overlay__close:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .search-overlay__hot {
            margin-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .search-overlay__hot-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-right: 4px;
            display: flex;
            align-items: center;
        }

        .search-overlay__hot a {
            font-size: 13px;
            color: var(--text-muted);
            padding: 6px 14px;
            background: var(--bg-soft);
            border-radius: 999px;
            transition: all var(--transition);
        }

        .search-overlay__hot a:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 18px 0 0;
        }

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

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

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

        .breadcrumb .sep {
            color: var(--border);
            font-size: 11px;
        }

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

        /* Category H1 area */
        .cat-hero {
            padding: 36px 0 40px;
        }

        .cat-hero__inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 40px;
        }

        .cat-hero__main {
            flex: 1;
            max-width: 720px;
        }

        .cat-hero__title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 16px;
        }

        .cat-hero__desc {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .cat-hero__tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
        }

        .cat-hero__tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 4px 12px;
            background: var(--bg-soft);
            border-radius: 999px;
            transition: background var(--transition), color var(--transition);
        }

        .cat-hero__tag:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        /* Article list section */
        .article-section {
            padding-top: 24px;
        }

        .article-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
        }

        .article-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .article-item {
            display: flex;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
            border-radius: var(--radius-sm);
            padding-left: 8px;
            padding-right: 8px;
            margin-left: -8px;
            margin-right: -8px;
        }

        .article-item:hover {
            background: var(--white);
            box-shadow: var(--shadow-sm);
        }

        .article-item__img {
            width: 180px;
            min-width: 180px;
            height: 105px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
        }

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

        .article-item:hover .article-item__img img {
            transform: scale(1.04);
        }

        .article-item__body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .article-item__meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

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

        .article-item__tag {
            font-size: 11px;
            font-weight: 500;
            color: var(--primary);
            padding: 2px 10px;
            background: var(--primary-soft);
            border-radius: 999px;
        }

        .article-item__title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.55;
            color: var(--text);
            margin-bottom: 6px;
            transition: color var(--transition);
        }

        .article-item__title a:hover {
            color: var(--primary);
        }

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

        .article-list__more {
            display: flex;
            justify-content: center;
            margin-top: 28px;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar__card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 14px;
        }

        .sidebar__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar__tag {
            font-size: 12px;
            color: var(--text-muted);
            padding: 6px 14px;
            background: var(--bg-soft);
            border-radius: 999px;
            transition: all var(--transition);
        }

        .sidebar__tag:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

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

        .sidebar__subscribe-input {
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            background: var(--bg);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .sidebar__subscribe-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 44, 0.12);
        }

        .sidebar__subscribe-btn {
            width: 100%;
            min-height: 44px;
            border-radius: var(--radius-sm);
            background: var(--dark);
            color: var(--white);
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
        }

        .sidebar__subscribe-btn:hover {
            background: var(--primary);
            transform: translateY(-1px);
        }

        /* Featured topic section */
        .featured-section {
            padding-top: 24px;
        }

        .featured-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .featured-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }

        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .featured-card--large {
            grid-row: span 2;
            min-height: 380px;
        }

        .featured-card__img {
            height: 200px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .featured-card--large .featured-card__img {
            height: 260px;
        }

        .featured-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .featured-card:hover .featured-card__img img {
            transform: scale(1.05);
        }

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

        .featured-card__tag-row {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .featured-card__tag {
            font-size: 11px;
            font-weight: 500;
            color: var(--primary);
            padding: 3px 10px;
            background: var(--primary-soft);
            border-radius: 999px;
        }

        .featured-card__title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text);
            margin-bottom: 8px;
        }

        .featured-card--large .featured-card__title {
            font-size: 19px;
        }

        .featured-card__excerpt {
            font-size: 13px;
            line-height: 1.75;
            color: var(--text-muted);
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-card--large .featured-card__excerpt {
            -webkit-line-clamp: 4;
            font-size: 14px;
        }

        .featured-card__link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
            transition: gap var(--transition);
        }

        .featured-card__link:hover {
            gap: 8px;
        }

        .featured-card__link .arrow {
            font-size: 15px;
            transition: transform var(--transition);
        }

        .featured-card__link:hover .arrow {
            transform: translateX(3px);
        }

        /* Related category section */
        .related-section {
            padding-top: 24px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .related-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .related-card__icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .related-card__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }

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

        .related-card__arrow {
            font-size: 14px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
            font-weight: 500;
        }

        .related-card__arrow .arrow {
            transition: transform var(--transition);
        }

        .related-card:hover .related-card__arrow .arrow {
            transform: translateX(3px);
        }

        /* Data snapshot */
        .data-section {
            background-color: var(--bg-soft);
        }

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

        .data-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .data-card__number {
            font-size: 36px;
            font-weight: 700;
            color: var(--secondary);
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .data-card__label {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* FAQ */
        .faq-section {
            padding-top: 24px;
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .faq-item.is-active {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-item__question {
            width: 100%;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: color var(--transition);
            min-height: 56px;
        }

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

        .faq-item__icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--text-muted);
            transition: transform var(--transition), color var(--transition);
            font-size: 18px;
            font-weight: 400;
        }

        .faq-item.is-active .faq-item__icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-item__answer {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-muted);
            display: none;
        }

        .faq-item.is-active .faq-item__answer {
            display: block;
        }

        /* CTA banner */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            text-align: center;
            color: var(--white);
            box-shadow: 0 12px 40px rgba(232, 69, 44, 0.25);
        }

        .cta-banner__title {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: -0.3px;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--white);
        }

        .cta-banner__desc {
            font-size: 15px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-banner .btn {
            background: var(--white);
            color: var(--primary);
            border-color: var(--white);
        }

        .cta-banner .btn:hover {
            background: #f0ebe2;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.15);
            color: var(--primary-hover);
        }

        /* Footer */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
            margin-top: 72px;
        }

        .footer__grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer__brand .logo {
            color: var(--white);
            margin-bottom: 14px;
        }

        .footer__brand .logo__text {
            color: var(--primary);
        }

        .footer__brand-desc {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-bottom: 16px;
        }

        .footer__social {
            display: flex;
            gap: 10px;
        }

        .footer__social-icon {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            font-size: 16px;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
            user-select: none;
        }

        .footer__social-icon:hover {
            background: var(--primary);
            transform: translateY(-2px);
        }

        .footer__title {
            font-size: 14px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 16px;
        }

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

        .footer__link {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

        .footer__link:hover {
            color: var(--primary);
        }

        .footer__bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            padding-top: 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer__bottom-links {
            display: flex;
            gap: 16px;
            margin-left: auto;
        }

        .footer__bottom-link {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--transition);
        }

        .footer__bottom-link:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }

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

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

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

            .footer__brand {
                grid-column: span 2;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-spacing: 48px;
            }

            .header__inner {
                height: 60px;
                gap: 16px;
            }

            .nav__links {
                display: none;
            }

            .nav__actions .btn--primary {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-drawer {
                top: 60px;
            }

            .cat-hero__inner {
                flex-direction: column;
                gap: 0;
            }

            .cat-hero__title {
                font-size: 24px;
            }

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

            .article-item {
                flex-direction: row;
                gap: 14px;
            }

            .article-item__img {
                width: 110px;
                min-width: 110px;
                height: 72px;
            }

            .article-item__title {
                font-size: 14px;
            }

            .article-item__excerpt {
                -webkit-line-clamp: 2;
            }

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

            .featured-card--large {
                grid-row: span 1;
                min-height: auto;
            }

            .featured-card__img {
                height: 180px;
            }

            .featured-card--large .featured-card__img {
                height: 200px;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .data-card__number {
                font-size: 28px;
            }

            .cta-banner {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }

            .cta-banner__title {
                font-size: 20px;
            }

            .footer {
                padding: 40px 0 20px;
                margin-top: 48px;
            }

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

            .footer__brand {
                grid-column: span 1;
            }

            .footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .footer__bottom-links {
                margin-left: 0;
                flex-wrap: wrap;
            }

            .search-overlay {
                padding: 80px 16px 16px;
            }

            .search-overlay__box {
                padding: 20px;
            }

            .faq-item__question {
                padding: 14px 16px;
                font-size: 14px;
                min-height: 48px;
            }

            .faq-item__answer {
                padding: 0 16px 16px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .article-item {
                flex-direction: column;
                gap: 10px;
            }

            .article-item__img {
                width: 100%;
                min-width: 100%;
                height: 140px;
            }

            .article-item__title {
                font-size: 15px;
            }

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

            .data-card__number {
                font-size: 24px;
            }

            .data-card {
                padding: 16px 12px;
            }

            .cat-hero__title {
                font-size: 22px;
            }

            .section__title {
                font-size: 22px;
            }

            .featured-card__body {
                padding: 16px;
            }

            .related-card {
                padding: 16px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}