/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --clr-primary: #0f1b2d;
            --clr-primary-light: #1a2d4a;
            --clr-primary-lighter: #2a4060;
            --clr-accent: #d4a84b;
            --clr-accent-light: #e8c46a;
            --clr-accent-dark: #b8923a;
            --clr-red: #e74c3c;
            --clr-red-light: #f05a4a;
            --clr-bg: #f4f6f9;
            --clr-bg-card: #ffffff;
            --clr-bg-dark: #0a1525;
            --clr-text: #1a1a2e;
            --clr-text-light: #5a6a7a;
            --clr-text-lighter: #8a9aaa;
            --clr-border: #e2e6ed;
            --clr-border-light: #f0f2f5;
            --clr-shadow: 0 8px 32px rgba(15, 27, 45, 0.08);
            --clr-shadow-hover: 0 16px 48px rgba(15, 27, 45, 0.14);
            --clr-shadow-card: 0 4px 16px rgba(15, 27, 45, 0.06);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --space-xs: 6px;
            --space-sm: 12px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-2xl: 96px;
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-h: 80px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--clr-text);
            background: var(--clr-bg);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--clr-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: var(--transition);
        }
        input,
        textarea {
            font-family: inherit;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        .container--narrow {
            max-width: 880px;
        }

        /* ===== Section ===== */
        .section {
            padding: var(--space-2xl) 0;
        }
        .section__header {
            text-align: center;
            margin-bottom: var(--space-xl);
        }
        .section__label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--clr-accent);
            background: rgba(212, 168, 75, 0.10);
            padding: 4px 16px;
            border-radius: 100px;
            margin-bottom: var(--space-sm);
        }
        .section__title {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.25;
            color: var(--clr-primary);
            margin-bottom: var(--space-sm);
        }
        .section__sub {
            font-size: 1.05rem;
            color: var(--clr-text-light);
            max-width: 620px;
            margin: 0 auto;
        }
        .section--dark {
            background: var(--clr-bg-dark);
            color: #e8eaed;
        }
        .section--dark .section__title {
            color: #ffffff;
        }
        .section--dark .section__sub {
            color: #b0b8c4;
        }
        .section--dark .section__label {
            background: rgba(212, 168, 75, 0.15);
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--space-xl) 0;
            }
            .section__title {
                font-size: 1.6rem;
            }
            .section__sub {
                font-size: 0.95rem;
            }
            .section__header {
                margin-bottom: var(--space-lg);
            }
        }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: transparent;
            padding: var(--space-sm) 0;
            transition: var(--transition);
        }
        .header--scrolled {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 2px 20px rgba(15, 27, 45, 0.06);
            padding: 4px 0;
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        /* 卡片化导航面板 */
        .nav-panel {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: var(--radius-lg);
            box-shadow: 0 4px 24px rgba(15, 27, 45, 0.06), 0 1px 3px rgba(15, 27, 45, 0.04);
            padding: 6px 8px 6px 24px;
            width: 100%;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }
        .header--scrolled .nav-panel {
            background: rgba(255, 255, 255, 0.96);
            border-color: var(--clr-border-light);
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--clr-primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            flex-shrink: 0;
        }
        .logo__icon {
            width: 32px;
            height: 32px;
            background: var(--clr-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--clr-primary);
            font-size: 1rem;
            font-weight: 700;
        }
        .logo__text {
            background: linear-gradient(135deg, var(--clr-primary) 30%, var(--clr-accent-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 auto 0 32px;
            flex: 1;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--clr-text-light);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a i {
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .nav-links a:hover {
            color: var(--clr-primary);
            background: rgba(15, 27, 45, 0.04);
        }
        .nav-links a.active {
            color: var(--clr-primary);
            background: rgba(212, 168, 75, 0.12);
            font-weight: 600;
        }
        .nav-links a.active i {
            color: var(--clr-accent);
            opacity: 1;
        }
        .nav-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }
        .nav-cta .btn {
            padding: 10px 24px;
            font-size: 0.9rem;
            border-radius: var(--radius-md);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: rgba(15, 27, 45, 0.04);
            font-size: 1.2rem;
            color: var(--clr-primary);
            flex-shrink: 0;
        }
        .nav-toggle:hover {
            background: rgba(15, 27, 45, 0.08);
        }

        @media (max-width: 820px) {
            .nav-panel {
                padding: 6px 12px;
                border-radius: var(--radius-md);
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: var(--space-sm);
                right: var(--space-sm);
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                border-radius: var(--radius-lg);
                box-shadow: var(--clr-shadow-hover);
                padding: var(--space-sm);
                flex-direction: column;
                margin: 0;
                border: 1px solid var(--clr-border-light);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 14px 18px;
                border-radius: var(--radius-sm);
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta .btn span {
                display: none;
            }
            .nav-cta .btn i {
                margin-right: 0;
            }
            .logo {
                font-size: 1.15rem;
            }
            .logo__icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 520px) {
            .nav-cta .btn {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .nav-links a {
                font-size: 0.85rem;
                padding: 12px 14px;
            }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: var(--transition);
            border: 2px solid transparent;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn--primary {
            background: var(--clr-accent);
            color: var(--clr-primary);
            border-color: var(--clr-accent);
        }
        .btn--primary:hover {
            background: var(--clr-accent-light);
            border-color: var(--clr-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 168, 75, 0.30);
        }
        .btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(212, 168, 75, 0.20);
        }
        .btn--outline {
            background: transparent;
            color: var(--clr-primary);
            border-color: var(--clr-border);
        }
        .btn--outline:hover {
            border-color: var(--clr-accent);
            color: var(--clr-accent-dark);
            background: rgba(212, 168, 75, 0.04);
            transform: translateY(-2px);
        }
        .btn--outline:active {
            transform: translateY(0);
        }
        .btn--white {
            background: #ffffff;
            color: var(--clr-primary);
            border-color: #ffffff;
        }
        .btn--white:hover {
            background: var(--clr-bg);
            border-color: var(--clr-bg);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
        }
        .btn--ghost {
            background: rgba(255, 255, 255, 0.10);
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.20);
        }
        .btn--ghost:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.30);
            transform: translateY(-2px);
        }
        .btn--sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }
        .btn--block {
            width: 100%;
            justify-content: center;
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: var(--clr-bg-dark);
            overflow: hidden;
            padding-top: var(--header-h);
        }
        .hero__bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            opacity: 0.35;
            transform: scale(1.02);
            transition: transform 0.4s ease;
        }
        .hero__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 27, 45, 0.85) 30%, rgba(15, 27, 45, 0.40) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero__content {
            max-width: 720px;
        }
        .hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 75, 0.15);
            border: 1px solid rgba(212, 168, 75, 0.25);
            border-radius: 100px;
            padding: 6px 18px 6px 8px;
            font-size: 0.8rem;
            color: var(--clr-accent);
            font-weight: 500;
            margin-bottom: var(--space-md);
        }
        .hero__badge i {
            font-size: 0.7rem;
            background: var(--clr-accent);
            color: var(--clr-primary);
            border-radius: 50%;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero__title {
            font-size: 3.6rem;
            font-weight: 800;
            line-height: 1.12;
            color: #ffffff;
            letter-spacing: -0.03em;
            margin-bottom: var(--space-md);
        }
        .hero__title em {
            font-style: normal;
            background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero__desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: var(--space-lg);
        }
        .hero__actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
        }
        .hero__stats {
            display: flex;
            gap: var(--space-xl);
            margin-top: var(--space-xl);
            padding-top: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero__stat-item {
            text-align: center;
        }
        .hero__stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.2;
        }
        .hero__stat-number small {
            font-size: 1rem;
            color: var(--clr-accent);
            font-weight: 600;
        }
        .hero__stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 2px;
        }

        @media (max-width: 820px) {
            .hero__title {
                font-size: 2.4rem;
            }
            .hero__desc {
                font-size: 1rem;
            }
            .hero__stats {
                gap: var(--space-lg);
                flex-wrap: wrap;
            }
            .hero__stat-number {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .hero__title {
                font-size: 1.8rem;
            }
            .hero__desc {
                font-size: 0.92rem;
            }
            .hero__actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero__stats {
                gap: var(--space-md);
            }
            .hero__stat-item {
                flex: 1;
                min-width: 80px;
            }
        }

        /* ===== Grid / Cards ===== */
        .grid {
            display: grid;
            gap: var(--space-md);
        }
        .grid--2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .grid--3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .grid--4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .card {
            background: var(--clr-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--clr-shadow-card);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--clr-border-light);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--clr-shadow-hover);
            border-color: var(--clr-border);
        }
        .card__image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            background: var(--clr-bg);
        }
        .card__body {
            padding: var(--space-md);
        }
        .card__tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--clr-accent-dark);
            background: rgba(212, 168, 75, 0.10);
            padding: 2px 12px;
            border-radius: 100px;
            margin-bottom: var(--space-xs);
        }
        .card__title {
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--clr-primary);
            margin-bottom: var(--space-xs);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card__text {
            font-size: 0.92rem;
            color: var(--clr-text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card__meta {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 0.8rem;
            color: var(--clr-text-lighter);
            margin-top: var(--space-sm);
            padding-top: var(--space-sm);
            border-top: 1px solid var(--clr-border-light);
        }
        .card__meta i {
            font-size: 0.75rem;
        }
        .card--feature {
            padding: var(--space-lg);
            text-align: center;
            border: none;
            background: var(--clr-bg-card);
        }
        .card--feature .card__icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: rgba(212, 168, 75, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-sm);
            font-size: 1.6rem;
            color: var(--clr-accent);
            transition: var(--transition);
        }
        .card--feature:hover .card__icon {
            background: var(--clr-accent);
            color: var(--clr-primary);
            transform: scale(1.05);
        }
        .card--feature .card__title {
            font-size: 1.2rem;
            margin-bottom: var(--space-xs);
        }
        .card--feature .card__text {
            font-size: 0.92rem;
            max-width: 280px;
            margin: 0 auto;
        }
        .card--dark {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.06);
        }
        .card--dark .card__title {
            color: #ffffff;
        }
        .card--dark .card__text {
            color: rgba(255, 255, 255, 0.65);
        }
        .card--dark:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 255, 255, 0.10);
        }

        @media (max-width: 1024px) {
            .grid--4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .grid--3,
            .grid--2 {
                grid-template-columns: 1fr;
            }
            .grid--4 {
                grid-template-columns: 1fr 1fr;
            }
            .card__image {
                height: 160px;
            }
            .card--feature {
                padding: var(--space-md);
            }
        }
        @media (max-width: 520px) {
            .grid--4 {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 12px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .badge--accent {
            background: rgba(212, 168, 75, 0.12);
            color: var(--clr-accent-dark);
        }
        .badge--red {
            background: rgba(231, 76, 60, 0.10);
            color: var(--clr-red);
        }
        .badge--green {
            background: rgba(46, 204, 113, 0.10);
            color: #27ae60;
        }

        /* ===== Category Entry Cards ===== */
        .cat-card {
            background: var(--clr-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--clr-shadow-card);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--clr-border-light);
            display: flex;
            flex-direction: column;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--clr-shadow-hover);
            border-color: var(--clr-border);
        }
        .cat-card__image {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .cat-card__image .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15, 27, 45, 0.70) 100%);
        }
        .cat-card__body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .cat-card__title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--clr-primary);
            margin-bottom: 6px;
        }
        .cat-card__text {
            font-size: 0.9rem;
            color: var(--clr-text-light);
            flex: 1;
            margin-bottom: var(--space-sm);
        }
        .cat-card__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--clr-accent-dark);
        }
        .cat-card__link i {
            transition: var(--transition);
            font-size: 0.8rem;
        }
        .cat-card__link:hover i {
            transform: translateX(4px);
        }

        /* ===== Steps / Process ===== */
        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
            counter-reset: step;
        }
        .step {
            text-align: center;
            padding: var(--space-lg) var(--space-md);
            background: var(--clr-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--clr-shadow-card);
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
            position: relative;
        }
        .step:hover {
            transform: translateY(-4px);
            box-shadow: var(--clr-shadow-hover);
        }
        .step__num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--clr-accent);
            color: var(--clr-primary);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-sm);
        }
        .step__title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--clr-primary);
            margin-bottom: 4px;
        }
        .step__text {
            font-size: 0.88rem;
            color: var(--clr-text-light);
        }

        @media (max-width: 900px) {
            .steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps {
                grid-template-columns: 1fr;
            }
            .step {
                padding: var(--space-md);
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .faq-item {
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--clr-shadow-card);
            border: 1px solid var(--clr-border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--clr-border);
        }
        .faq-item__question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-md) var(--space-lg);
            font-size: 1rem;
            font-weight: 600;
            color: var(--clr-primary);
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            gap: var(--space-sm);
        }
        .faq-item__question i {
            font-size: 0.85rem;
            color: var(--clr-accent);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item__question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 var(--space-lg);
        }
        .faq-item__answer-inner {
            padding-bottom: var(--space-md);
            font-size: 0.92rem;
            color: var(--clr-text-light);
            line-height: 1.7;
        }
        .faq-item.open .faq-item__answer {
            max-height: 300px;
        }
        .faq-item.open .faq-item__question i {
            transform: rotate(180deg);
        }

        @media (max-width: 768px) {
            .faq-item__question {
                padding: var(--space-sm) var(--space-md);
                font-size: 0.95rem;
            }
            .faq-item__answer {
                padding: 0 var(--space-md);
            }
            .faq-item__answer-inner {
                padding-bottom: var(--space-sm);
                font-size: 0.88rem;
            }
        }

        /* ===== CTA ===== */
        .cta {
            background: var(--clr-bg-dark);
            border-radius: var(--radius-xl);
            padding: var(--space-xl) var(--space-lg);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta__bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }
        .cta .container {
            position: relative;
            z-index: 1;
        }
        .cta__title {
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--space-sm);
        }
        .cta__text {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 540px;
            margin: 0 auto var(--space-lg);
        }
        .cta__actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
            justify-content: center;
        }

        @media (max-width: 768px) {
            .cta {
                padding: var(--space-lg) var(--space-md);
                border-radius: var(--radius-lg);
            }
            .cta__title {
                font-size: 1.5rem;
            }
            .cta__text {
                font-size: 0.95rem;
            }
            .cta__actions .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--clr-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--space-xl) 0 var(--space-lg);
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }
        .footer__brand .logo {
            color: #ffffff;
            margin-bottom: var(--space-sm);
        }
        .footer__brand .logo__text {
            background: linear-gradient(135deg, #ffffff 30%, var(--clr-accent-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer__brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer__col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #ffffff;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: var(--space-sm);
        }
        .footer__col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer__col a:hover {
            color: var(--clr-accent);
            padding-left: 4px;
        }
        .footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: var(--space-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--space-sm);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer__bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer__bottom a:hover {
            color: var(--clr-accent);
        }
        .footer__socials {
            display: flex;
            gap: var(--space-sm);
        }
        .footer__socials a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer__socials a:hover {
            background: var(--clr-accent);
            color: var(--clr-primary);
            padding-left: 0;
        }

        @media (max-width: 900px) {
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
            .footer__brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer__grid {
                grid-template-columns: 1fr;
            }
            .footer__bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== News List (CMS) ===== */
        .news-list {
            display: grid;
            gap: var(--space-md);
        }
        .news-item {
            display: flex;
            gap: var(--space-md);
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            box-shadow: var(--clr-shadow-card);
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
        }
        .news-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--clr-shadow-hover);
            border-color: var(--clr-border);
        }
        .news-item__thumb {
            width: 160px;
            min-height: 100px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--clr-bg);
        }
        .news-item__content {
            flex: 1;
            min-width: 0;
        }
        .news-item__title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--clr-primary);
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item__title a:hover {
            color: var(--clr-accent-dark);
        }
        .news-item__excerpt {
            font-size: 0.9rem;
            color: var(--clr-text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: var(--space-xs);
        }
        .news-item__meta {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
            font-size: 0.78rem;
            color: var(--clr-text-lighter);
        }
        .news-item__meta i {
            font-size: 0.7rem;
            margin-right: 3px;
        }
        .news-empty {
            text-align: center;
            padding: var(--space-xl) var(--space-md);
            background: var(--clr-bg-card);
            border-radius: var(--radius-lg);
            color: var(--clr-text-light);
            border: 1px dashed var(--clr-border);
        }
        .news-empty i {
            font-size: 2rem;
            color: var(--clr-border);
            display: block;
            margin-bottom: var(--space-sm);
        }

        @media (max-width: 640px) {
            .news-item {
                flex-direction: column;
            }
            .news-item__thumb {
                width: 100%;
                height: 140px;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-sm {
            margin-top: var(--space-sm);
        }
        .mt-md {
            margin-top: var(--space-md);
        }
        .mt-lg {
            margin-top: var(--space-lg);
        }
        .mb-sm {
            margin-bottom: var(--space-sm);
        }
        .mb-md {
            margin-bottom: var(--space-md);
        }
        .gap-sm {
            gap: var(--space-sm);
        }
        .gap-md {
            gap: var(--space-md);
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--clr-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--clr-border);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--clr-text-lighter);
        }

        /* ===== Selection ===== */
        ::selection {
            background: var(--clr-accent);
            color: var(--clr-primary);
        }

        /* ===== Responsive extras ===== */
        @media (max-width: 480px) {
            .container {
                padding: 0 var(--space-sm);
            }
            .hero__badge {
                font-size: 0.7rem;
                padding: 4px 12px 4px 6px;
            }
            .hero__badge i {
                width: 16px;
                height: 16px;
                font-size: 0.6rem;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #f1faee;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --accent-glow: #e76f51;
            --bg-body: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #232340;
            --bg-section-alt: #16162a;
            --text-primary: #f1f1f1;
            --text-secondary: #b8b8d0;
            --text-muted: #7a7a9a;
            --border-color: #2a2a4a;
            --border-radius: 16px;
            --border-radius-sm: 10px;
            --border-radius-lg: 24px;
            --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 40px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 60px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --max-width: 1200px;
            --header-height: 76px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius-sm);
        }

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

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(15, 15, 26, 0.85);
            backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid rgba(42, 42, 74, 0.5);
            height: var(--header-height);
            transition: var(--transition);
        }

        .header .container {
            height: 100%;
            display: flex;
            align-items: center;
        }

        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
            background: rgba(26, 26, 46, 0.6);
            padding: 8px 20px;
            border-radius: 60px;
            border: 1px solid rgba(42, 42, 74, 0.4);
            backdrop-filter: blur(10px);
        }

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

        .logo__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--accent-glow));
            border-radius: 12px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
        }

        .logo__text {
            font-size: 1.25rem;
            font-weight: 700;
            background: linear-gradient(135deg, #fff, #b8b8d0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 0.5px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a i {
            font-size: 0.85rem;
            opacity: 0.7;
        }

        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(230, 57, 70, 0.08);
        }

        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--accent-glow));
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
        }

        .nav-links a.active i {
            opacity: 1;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
            cursor: pointer;
        }

        .btn--primary {
            background: linear-gradient(135deg, var(--primary), var(--accent-glow));
            color: #fff;
            border: none;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.25);
        }

        .btn--primary:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 35px rgba(230, 57, 70, 0.4);
            color: #fff;
        }

        .btn--primary:active {
            transform: translateY(0) scale(0.98);
        }

        .btn--sm {
            padding: 8px 20px;
            font-size: 0.8rem;
        }

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

        .btn--outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }

        .btn--ghost {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-secondary);
        }

        .btn--ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.15);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 1.2rem;
            color: var(--text-primary);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* ===== Hero / 分类横幅 ===== */
        .category-hero {
            padding: 120px 0 80px;
            background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16162a 100%);
            position: relative;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.15;
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .category-hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: rgba(230, 57, 70, 0.12);
            border: 1px solid rgba(230, 57, 70, 0.2);
            border-radius: 40px;
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .category-hero__badge i {
            font-size: 0.75rem;
        }

        .category-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 40%, #b8b8d0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .category-hero__meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
        }

        .category-hero__meta span {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .category-hero__meta span i {
            color: var(--primary);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }

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

        .section__header {
            text-align: center;
            margin-bottom: 52px;
        }

        .section__header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .section__header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
        }

        .section__header .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 16px;
            background: rgba(230, 57, 70, 0.1);
            border: 1px solid rgba(230, 57, 70, 0.15);
            border-radius: 40px;
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 500;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        /* ===== 赛事分类卡片网格 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .cat-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            border: 1px solid var(--border-color);
            padding: 32px 28px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .cat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent-glow));
            opacity: 0;
            transition: var(--transition);
        }

        .cat-card:hover {
            transform: translateY(-6px);
            border-color: rgba(230, 57, 70, 0.2);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-glow);
        }

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

        .cat-card__icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 18px;
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
        }

        .cat-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .cat-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 18px;
        }

        .cat-card .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }

        .cat-card .tag {
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 0.72rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
        }

        .cat-card .tag--hot {
            background: rgba(230, 57, 70, 0.1);
            border-color: rgba(230, 57, 70, 0.15);
            color: var(--primary);
        }

        .cat-card .btn {
            width: 100%;
        }

        /* ===== 特色赛事卡片（图文） ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 28px;
        }

        .featured-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .featured-card:hover {
            transform: translateY(-4px);
            border-color: rgba(230, 57, 70, 0.15);
            box-shadow: var(--shadow-glow);
        }

        .featured-card__img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            border-radius: 0;
        }

        .featured-card__body {
            padding: 24px 26px 26px;
        }

        .featured-card__body .meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .featured-card__body .meta i {
            color: var(--primary);
            margin-right: 4px;
        }

        .featured-card__body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .featured-card__body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .featured-card__body .btn {
            margin-top: 4px;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 24px;
            text-align: center;
        }

        .stat-item {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            border: 1px solid var(--border-color);
            padding: 32px 20px;
            transition: var(--transition);
        }

        .stat-item:hover {
            border-color: rgba(230, 57, 70, 0.2);
            transform: translateY(-2px);
        }

        .stat-item__number {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .stat-item__label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ===== 赛事流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 28px;
            counter-reset: step;
        }

        .step-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            border: 1px solid var(--border-color);
            padding: 32px 24px 28px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }

        .step-card:hover {
            transform: translateY(-4px);
            border-color: rgba(230, 57, 70, 0.15);
            box-shadow: var(--shadow-glow);
        }

        .step-card::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 2.4rem;
            font-weight: 800;
            color: rgba(230, 57, 70, 0.08);
            line-height: 1;
        }

        .step-card__icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin: 0 auto 16px;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
        }

        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .step-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

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

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--border-radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.15);
        }

        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 0.98rem;
            cursor: pointer;
            transition: var(--transition);
            gap: 16px;
        }

        .faq-item__question i {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

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

        .faq-item__answer {
            padding: 0 24px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

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

        .faq-item.active .faq-item__question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1a 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.06;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -20%;
            left: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-box p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-box .btn-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-box .btn {
            padding: 14px 36px;
            font-size: 1rem;
        }

        /* ===== 最新资讯 / 文章列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .news-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateY(-4px);
            border-color: rgba(230, 57, 70, 0.15);
            box-shadow: var(--shadow-glow);
        }

        .news-card__img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
            border-radius: 0;
        }

        .news-card__body {
            padding: 20px 22px 22px;
        }

        .news-card__body .tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 500;
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
            margin-bottom: 8px;
        }

        .news-card__body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-card__body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .news-card__body .meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .news-card__body .meta i {
            margin-right: 4px;
            color: var(--primary);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #0a0a14;
            border-top: 1px solid rgba(42, 42, 74, 0.4);
            padding: 60px 0 30px;
        }

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

        .footer__brand .logo {
            margin-bottom: 14px;
        }

        .footer__brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer__col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .footer__col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: var(--transition);
        }

        .footer__col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer__col a i {
            width: 20px;
            margin-right: 6px;
            color: var(--text-muted);
        }

        .footer__bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 28px;
            border-top: 1px solid rgba(42, 42, 74, 0.3);
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer__bottom span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

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

        .footer__socials {
            display: flex;
            gap: 12px;
        }

        .footer__socials a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 1rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer__socials a:hover {
            background: rgba(230, 57, 70, 0.1);
            border-color: rgba(230, 57, 70, 0.2);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .category-hero h1 {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 15, 26, 0.97);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                box-shadow: var(--shadow-lg);
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-links a {
                width: 100%;
                padding: 12px 20px;
                justify-content: center;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-cta .btn--primary span {
                display: none;
            }

            .nav-panel {
                padding: 6px 14px;
            }

            .category-hero {
                padding: 100px 0 60px;
                min-height: 320px;
            }

            .category-hero h1 {
                font-size: 2rem;
            }

            .category-hero p {
                font-size: 0.95rem;
            }

            .section {
                padding: 56px 0;
            }

            .section__header h2 {
                font-size: 1.7rem;
            }

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

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

            .stat-item__number {
                font-size: 2.2rem;
            }

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

            .cta-box h2 {
                font-size: 1.8rem;
            }

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

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

        @media (max-width: 520px) {
            :root {
                --header-height: 64px;
            }

            .container {
                padding: 0 16px;
            }

            .category-hero h1 {
                font-size: 1.6rem;
            }

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

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

            .featured-card__img {
                height: 160px;
            }

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

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

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

            .stat-item {
                padding: 20px 12px;
            }

            .stat-item__number {
                font-size: 1.8rem;
            }

            .cta-box h2 {
                font-size: 1.4rem;
            }

            .cta-box .btn-group {
                flex-direction: column;
                width: 100%;
            }

            .cta-box .btn {
                width: 100%;
            }

            .category-hero__meta {
                flex-direction: column;
                gap: 8px;
            }

            .footer__grid {
                gap: 20px;
            }
        }

        /* ===== 焦点样式 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1f33;
            --primary-light: #1a3a5c;
            --primary-dark: #080f1a;
            --secondary: #d4a84b;
            --secondary-light: #e8c06a;
            --secondary-dark: #b88a2e;
            --accent: #e85d5d;
            --bg: #f4f6fa;
            --bg-white: #ffffff;
            --bg-dark: #0a1421;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --text-white: #ffffff;
            --text-muted: #9ca3af;
            --border: #e5e9f0;
            --border-light: #f0f2f6;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow: 0 4px 24px rgba(15, 31, 51, 0.08);
            --shadow-md: 0 8px 32px rgba(15, 31, 51, 0.10);
            --shadow-lg: 0 16px 48px rgba(15, 31, 51, 0.14);
            --shadow-glow: 0 0 30px rgba(212, 168, 75, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        /* ===== 基础重置 ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { display: block; max-width: 100%; height: auto; border-radius: var(--radius-sm); }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        button { font-family: inherit; cursor: pointer; border: none; background: none; font-size: inherit; }
        input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
        h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
        h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
        h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
        p { margin-bottom: 1rem; }
        strong { font-weight: 700; }
        .container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: var(--bg); }
        ::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 4px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--text-light); }

        /* ===== 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 31, 51, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--nav-height);
            transition: background var(--transition);
        }
        .header.scrolled { background: rgba(15, 31, 51, 0.98); }
        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo__icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: var(--primary-dark);
            font-size: 20px;
            font-weight: 800;
            border-radius: var(--radius-sm);
            box-shadow: 0 2px 12px rgba(212, 168, 75, 0.3);
        }
        .logo__text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 1px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition);
        }
        .nav-links a i { font-size: 14px; }
        .nav-links a:hover { color: var(--text-white); background: rgba(255, 255, 255, 0.08); }
        .nav-links a.active {
            color: var(--text-white);
            background: rgba(212, 168, 75, 0.2);
            box-shadow: inset 0 0 0 1px rgba(212, 168, 75, 0.25);
        }
        .nav-links a.active i { color: var(--secondary); }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }
        .btn--primary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(212, 168, 75, 0.3);
        }
        .btn--primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 168, 75, 0.4);
        }
        .btn--primary:active { transform: translateY(0); }
        .btn--sm { padding: 8px 18px; font-size: 14px; }
        .btn--outline {
            background: transparent;
            color: var(--text-white);
            border: 1.5px solid rgba(255, 255, 255, 0.25);
        }
        .btn--outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.4);
        }
        .btn--gold {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: var(--primary-dark);
            box-shadow: 0 4px 20px rgba(212, 168, 75, 0.25);
        }
        .btn--gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(212, 168, 75, 0.35);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: var(--text-white);
            font-size: 20px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }
        .nav-toggle:hover { background: rgba(255, 255, 255, 0.15); }
        .nav-toggle:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; }
        @media (max-width: 868px) {
            .nav-links {
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(15, 31, 51, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 6px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                display: none;
                box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
            }
            .nav-links.open { display: flex; }
            .nav-links a { width: 100%; padding: 12px 16px; font-size: 16px; }
            .nav-toggle { display: flex; }
            .nav-cta .btn--sm span { display: none; }
        }

        /* ===== 文章 Hero ===== */
        .article-hero {
            position: relative;
            padding: 120px 0 60px;
            margin-top: var(--nav-height);
            background: var(--primary-dark);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            transform: scale(1.05);
            animation: heroParallax 20s ease-in-out infinite alternate;
        }
        @keyframes heroParallax {
            0% { transform: scale(1.05) translate(0, 0); }
            100% { transform: scale(1.1) translate(-10px, -10px); }
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 31, 51, 0.92) 0%, rgba(10, 20, 33, 0.7) 50%, rgba(15, 31, 51, 0.85) 100%);
        }
        .article-hero .container { position: relative; z-index: 2; }
        .article-hero__meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            margin-bottom: 16px;
        }
        .article-hero__category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            background: rgba(212, 168, 75, 0.2);
            border: 1px solid rgba(212, 168, 75, 0.3);
            color: var(--secondary-light);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .article-hero__category i { font-size: 12px; }
        .article-hero__date {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero__date i { font-size: 13px; }
        .article-hero__title {
            color: var(--text-white);
            font-size: clamp(1.6rem, 3.5vw, 2.6rem);
            font-weight: 800;
            line-height: 1.25;
            max-width: 860px;
            letter-spacing: 0.5px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }
        .article-hero__desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: clamp(1rem, 1.4vw, 1.1rem);
            line-height: 1.7;
            max-width: 700px;
            margin-top: 16px;
        }
        .article-hero__breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 20px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }
        .article-hero__breadcrumb a { color: rgba(255, 255, 255, 0.6); transition: color var(--transition); }
        .article-hero__breadcrumb a:hover { color: var(--secondary-light); }
        .article-hero__breadcrumb .sep { color: rgba(255, 255, 255, 0.25); margin: 0 4px; }

        /* ===== 文章主体 ===== */
        .article-main {
            padding: 48px 0 60px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; gap: 40px; }
        }
        .article-body {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        @media (max-width: 768px) {
            .article-body { padding: 24px 20px; }
        }
        .article-body .featured-image {
            width: 100%;
            border-radius: var(--radius);
            margin-bottom: 32px;
            box-shadow: var(--shadow-md);
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }
        .article-body .content {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
        }
        .article-body .content p { margin-bottom: 1.4rem; }
        .article-body .content h2,
        .article-body .content h3,
        .article-body .content h4 {
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        .article-body .content h2 { font-size: 1.5rem; }
        .article-body .content h3 { font-size: 1.2rem; }
        .article-body .content ul,
        .article-body .content ol {
            margin: 1rem 0 1.4rem 1.5rem;
        }
        .article-body .content li { margin-bottom: 0.5rem; }
        .article-body .content ul li { list-style: disc; }
        .article-body .content ol li { list-style: decimal; }
        .article-body .content a { color: var(--primary-light); text-decoration: underline; }
        .article-body .content a:hover { color: var(--secondary-dark); }
        .article-body .content img {
            border-radius: var(--radius-sm);
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
        }
        .article-body .content blockquote {
            border-left: 4px solid var(--secondary);
            background: rgba(212, 168, 75, 0.06);
            padding: 16px 20px;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-body .content code {
            background: var(--bg);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
        }
        .article-body .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-body .tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 14px;
            background: var(--bg);
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-light);
            font-weight: 500;
            transition: all var(--transition);
        }
        .article-body .tags .tag:hover {
            background: var(--primary-light);
            color: var(--text-white);
        }
        .article-body .tags .tag i { font-size: 11px; }
        .article-body .share-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }
        .article-body .share-bar span {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 600;
        }
        .article-body .share-bar a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-light);
            font-size: 16px;
            transition: all var(--transition);
        }
        .article-body .share-bar a:hover {
            background: var(--secondary);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .sidebar-card__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card__title i { color: var(--secondary); font-size: 16px; }
        .sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .sidebar-list a {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .sidebar-list a:last-child { border-bottom: none; }
        .sidebar-list a:hover { padding-left: 6px; }
        .sidebar-list a .num {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-light);
            font-size: 12px;
            font-weight: 700;
        }
        .sidebar-list a:nth-child(1) .num,
        .sidebar-list a:nth-child(2) .num,
        .sidebar-list a:nth-child(3) .num {
            background: rgba(212, 168, 75, 0.15);
            color: var(--secondary-dark);
        }
        .sidebar-list a .info { flex: 1; min-width: 0; }
        .sidebar-list a .info .title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar-list a .info .meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .sidebar-cta {
            text-align: center;
            padding: 32px 20px;
        }
        .sidebar-cta h4 {
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .sidebar-cta p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .sidebar-cta .btn { width: 100%; }

        /* ===== 推荐文章 ===== */
        .related-section {
            background: var(--bg-white);
            padding: 48px 0;
            border-top: 1px solid var(--border);
        }
        .related-section .section-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section .section-title i { color: var(--secondary); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 600px) { .related-grid { grid-template-columns: 1fr; } }
        .related-card {
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .related-card__img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }
        .related-card__body { padding: 16px 18px 18px; }
        .related-card__body .cat {
            font-size: 12px;
            color: var(--secondary-dark);
            font-weight: 600;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .related-card__body .cat i { font-size: 10px; }
        .related-card__body h3 {
            font-size: 15px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card__body h3 a { color: var(--text); }
        .related-card__body h3 a:hover { color: var(--primary-light); }
        .related-card__body .date {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 64px 0;
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            transform: scale(1.05);
        }
        .cta-section .container { position: relative; z-index: 2; text-align: center; }
        .cta-section h2 {
            color: var(--text-white);
            font-size: clamp(1.4rem, 2.8vw, 2rem);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        @media (max-width: 960px) { .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
        @media (max-width: 600px) { .footer__grid { grid-template-columns: 1fr; gap: 28px; } }
        .footer__brand .logo { margin-bottom: 14px; }
        .footer__brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }
        .footer__col h4 {
            color: var(--text-white);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer__col a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 5px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: all var(--transition);
        }
        .footer__col a:hover {
            color: var(--secondary-light);
            padding-left: 4px;
        }
        .footer__col a i { width: 18px; font-size: 14px; color: rgba(255, 255, 255, 0.3); }
        .footer__bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 600px) { .footer__bottom { flex-direction: column; text-align: center; } }
        .footer__bottom a { color: rgba(255, 255, 255, 0.5); }
        .footer__bottom a:hover { color: var(--secondary-light); }
        .footer__socials { display: flex; gap: 12px; }
        .footer__socials a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.5);
            font-size: 16px;
            transition: all var(--transition);
        }
        .footer__socials a:hover {
            background: var(--secondary);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== 内容未找到 ===== */
        .not-found {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }
        .not-found i { font-size: 56px; color: var(--text-muted); margin-bottom: 20px; }
        .not-found h2 { font-size: 1.6rem; color: var(--text); margin-bottom: 12px; }
        .not-found p { color: var(--text-light); margin-bottom: 24px; }
        .not-found .btn { margin-top: 8px; }

        /* ===== 空状态 ===== */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-light);
        }
        .empty-state i { font-size: 40px; color: var(--text-muted); margin-bottom: 16px; }
        .empty-state p { font-size: 15px; }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-in--delay-1 { animation-delay: 0.1s; }
        .animate-in--delay-2 { animation-delay: 0.2s; }
        .animate-in--delay-3 { animation-delay: 0.3s; }

        /* ===== 焦点 ===== */
        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 520px) {
            .article-hero { padding: 100px 0 40px; min-height: 240px; }
            .article-hero__title { font-size: 1.3rem; }
            .article-hero__desc { font-size: 0.9rem; }
            .article-body { padding: 18px 14px; }
            .article-body .content { font-size: 15px; }
            .sidebar-card { padding: 20px 16px; }
            .related-card__body { padding: 12px 14px 14px; }
            .related-card__body h3 { font-size: 14px; }
            .cta-section { padding: 40px 0; }
            .footer { padding: 40px 0 0; }
        }