/* roulang page: index */
:root {
            --color-primary: #1A5A7A;
            --color-primary-dark: #113C50;
            --color-accent: #E4A93C;
            --color-bg: #F6F8FA;
            --color-card: #FFFFFF;
            --color-text: #1F2A37;
            --color-text-soft: #5B6B7C;
            --color-border: #E4E9EE;
            --shadow-card: 0 1px 3px rgba(17, 60, 80, .06), 0 8px 24px rgba(17, 60, 80, .08);
            --shadow-card-hover: 0 4px 12px rgba(17, 60, 80, .10), 0 18px 36px rgba(17, 60, 80, .16);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 9999px;
            --font-serif: "Noto Serif CJK SC", "Songti SC", SimSun, serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 80rem;
            margin: 0 auto;
            padding: 0 1rem;
        }

        @media (min-width: 640px) {
            .container {
                padding: 0 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 2rem;
            }
        }

        /* 导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 72px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid transparent;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
            z-index: 1000;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(17, 60, 80, 0.08);
            border-color: rgba(228, 233, 238, 0.6);
        }

        .nav-container {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo-text {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary-dark);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .logo-text .accent {
            color: var(--color-accent);
        }

        .logo-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--color-text-soft);
            letter-spacing: 0.05em;
            padding-left: 0.5rem;
            border-left: 1px solid var(--color-border);
            margin-left: 0.25rem;
        }

        @media (max-width: 640px) {
            .logo-sub {
                display: none;
            }
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .nav-link {
            position: relative;
            padding: 0.5rem 1rem;
            font-size: 0.925rem;
            font-weight: 500;
            color: #46586A;
            border-radius: 8px;
            transition: all 0.2s ease;
        }

        .nav-link:hover {
            background: #F1F5F9;
            color: var(--color-primary);
        }

        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0.75rem;
            right: 0.75rem;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-soft);
            transition: all 0.2s;
        }

        .btn-icon:hover {
            background: #F1F5F9;
            color: var(--color-primary);
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(17, 60, 80, 0.2);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

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

        .btn-outline {
            border: 1.5px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-outline:hover {
            background: rgba(26, 90, 122, 0.06);
            transform: translateY(-1px);
        }

        .btn-white {
            background: #fff;
            color: var(--color-primary-dark);
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-white:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(255, 255, 255, 0.15);
        }

        .btn-white-outline {
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.25s ease;
        }

        .btn-white-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        /* 移动端菜单 */
        .mobile-menu-btn {
            display: none !important;
        }

        @media (max-width: 767px) {
            .nav-links {
                display: none;
            }
            .nav-cta .btn-primary {
                display: none;
            }
            .mobile-menu-btn {
                display: flex !important;
                align-items: center;
                justify-content: center;
                width: 40px;
                height: 40px;
                border-radius: 8px;
                color: var(--color-text);
                font-size: 1.25rem;
            }
            .mobile-menu-btn:hover {
                background: #F1F5F9;
            }
            .mobile-menu {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                box-shadow: 0 8px 30px rgba(17, 60, 80, 0.1);
                padding: 1rem;
                display: flex;
                flex-direction: column;
                gap: 0.5rem;
                z-index: 999;
                border-bottom: 1px solid var(--color-border);
            }
            .mobile-menu .nav-link {
                padding: 0.75rem 1rem;
                border-radius: 8px;
                font-size: 1rem;
            }
            .mobile-menu .nav-link.active {
                background: rgba(26, 90, 122, 0.08);
            }
        }

        /* Mega 面板 */
        .mega-trigger {
            position: relative;
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 46rem;
            max-width: 90vw;
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-card-hover);
            padding: 1.5rem;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all 0.25s ease;
            border: 1px solid var(--color-border);
        }

        .mega-panel::before {
            content: '';
            position: absolute;
            top: -6px;
            right: 2rem;
            width: 12px;
            height: 12px;
            background: #fff;
            border-left: 1px solid var(--color-border);
            border-top: 1px solid var(--color-border);
            transform: rotate(45deg);
        }

        .mega-trigger:hover .mega-panel,
        .mega-trigger:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 10rem 0 5rem;
            min-height: 80vh;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.85) 50%, rgba(255, 255, 255, 0.6) 100%);
        }

        .hero-watermark {
            position: absolute;
            top: 10%;
            right: -2%;
            font-family: var(--font-serif);
            font-size: 12rem;
            font-weight: 700;
            color: var(--color-primary);
            opacity: 0.04;
            pointer-events: none;
            line-height: 1;
            user-select: none;
        }

        @media (max-width: 768px) {
            .hero-watermark {
                font-size: 6rem;
                top: 20%;
            }
        }

        .hero-content {
            position: relative;
            z-index: 5;
        }

        .hero-h1 {
            font-family: var(--font-serif);
            font-size: 2.5rem;
            line-height: 1.2;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: -0.02em;
            margin-bottom: 1.25rem;
        }

        @media (min-width: 768px) {
            .hero-h1 {
                font-size: 3.5rem;
            }
        }

        @media (min-width: 1024px) {
            .hero-h1 {
                font-size: 4rem;
            }
        }

        .hero-subtitle {
            font-size: 1.125rem;
            color: #46586A;
            max-width: 32rem;
            line-height: 1.8;
            margin-bottom: 2rem;
        }

        @media (min-width: 768px) {
            .hero-subtitle {
                font-size: 1.25rem;
            }
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 3.5rem;
        }

        .hero-quick-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.75rem;
            max-width: 40rem;
        }

        @media (min-width: 768px) {
            .hero-quick-links {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .quick-link-item {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 0.75rem 1rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            transition: all 0.2s ease;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-primary-dark);
        }

        .quick-link-item:hover {
            background: #fff;
            box-shadow: var(--shadow-card);
            border-color: rgba(26, 90, 122, 0.2);
            transform: translateY(-2px);
        }

        .quick-link-item i {
            color: var(--color-accent);
            font-size: 0.9rem;
        }

        /* 信任条 */
        .trust-bar {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 1.75rem 0;
        }

        .trust-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }

        @media (min-width: 768px) {
            .trust-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .trust-item {
            text-align: center;
            padding: 0.5rem;
        }

        .trust-number {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            font-family: var(--font-serif);
        }

        @media (min-width: 768px) {
            .trust-number {
                font-size: 1.75rem;
            }
        }

        .trust-label {
            font-size: 0.875rem;
            color: var(--color-text-soft);
            margin-top: 0.25rem;
        }

        /* 板块标题 */
        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-soft);
            max-width: 40rem;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        /* 痛点卡片 */
        .pain-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        .pain-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(26, 90, 122, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }

        .pain-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 0.5rem;
        }

        .pain-card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        /* 解决方案 */
        .solution-block {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
            margin-bottom: 3rem;
        }

        @media (min-width: 768px) {
            .solution-block {
                grid-template-columns: 1fr 1fr;
            }
        }

        .solution-block.reverse {
            direction: rtl;
        }

        .solution-block.reverse>* {
            direction: ltr;
        }

        .solution-image {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .solution-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .solution-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-primary-dark);
            margin-bottom: 0.75rem;
        }

        .solution-content p {
            color: var(--color-text-soft);
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .solution-list {
            list-style: none;
            padding: 0;
        }

        .solution-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            padding: 0.4rem 0;
            font-size: 0.95rem;
            color: #46586A;
        }

        .solution-list li i {
            color: var(--color-accent);
            margin-top: 0.25rem;
            font-size: 0.8rem;
        }

        /* 成果数字 */
        .result-section {
            background: var(--color-primary-dark);
            padding: 4rem 0;
            position: relative;
        }

        @media (min-width: 768px) {
            .result-section {
                padding: 5rem 0;
            }
        }

        .result-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            text-align: center;
        }

        @media (min-width: 768px) {
            .result-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .result-number {
            font-size: 2.25rem;
            font-weight: 700;
            color: #fff;
            font-family: var(--font-serif);
            line-height: 1.2;
        }

        @media (min-width: 768px) {
            .result-number {
                font-size: 3rem;
            }
        }

        .result-label {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            margin-top: 0.5rem;
        }

        .result-accent {
            color: var(--color-accent);
        }

        /* 证言卡片 */
        .testimonial-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.2s ease;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .testimonial-avatar {
            width: 56px;
            height: 56px;
            border-radius: 9999px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.25rem;
            font-weight: 600;
        }

        .testimonial-name {
            font-weight: 600;
            color: var(--color-text);
            font-size: 1rem;
        }

        .testimonial-source {
            font-size: 0.875rem;
            color: var(--color-text-soft);
        }

        .testimonial-text {
            color: #46586A;
            line-height: 1.8;
            font-size: 0.95rem;
            margin-top: 1rem;
        }

        /* 资讯板块 */
        .news-card-main {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

        .news-card-main:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .news-card-main img {
            aspect-ratio: 16/9;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .news-card-main:hover img {
            transform: scale(1.02);
        }

        .news-card-main .content {
            padding: 1.5rem;
        }

        .news-card-main .title {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 0.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s ease;
        }

        .news-card-main .title:hover {
            color: var(--color-primary);
        }

        .news-card-main .desc {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 1rem;
        }

        .news-list-item {
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            gap: 1rem;
        }

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

        .news-list-item .thumb {
            width: 84px;
            height: 56px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }

        @media (min-width: 768px) {
            .news-list-item .thumb {
                width: 96px;
                height: 64px;
            }
        }

        .news-list-item .title {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s;
        }

        .news-list-item .title:hover {
            color: var(--color-primary);
        }

        .news-meta {
            font-size: 0.8rem;
            color: var(--color-text-soft);
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-top: 0.25rem;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 0.2rem 0.75rem;
            border-radius: var(--radius-tag);
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(26, 90, 122, 0.08);
            color: var(--color-primary);
        }

        .tag-accent {
            background: rgba(228, 169, 60, 0.15);
            color: #9C6B1C;
        }

        .empty-state {
            background: rgba(26, 90, 122, 0.04);
            border: 1px dashed rgba(26, 90, 122, 0.2);
            border-radius: 16px;
            padding: 3rem 2rem;
            text-align: center;
            color: var(--color-text-soft);
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 12px;
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .faq-item.active {
            border-color: rgba(26, 90, 122, 0.3);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 500;
            color: var(--color-text);
            font-size: 0.975rem;
            transition: background 0.2s ease;
        }

        .faq-question:hover {
            background: #F8FAFC;
        }

        .faq-icon {
            width: 20px;
            height: 20px;
            position: relative;
            transition: transform 0.3s ease;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .faq-icon::before {
            top: 50%;
            left: 0;
            right: 0;
            height: 2px;
            transform: translateY(-50%);
        }

        .faq-icon::after {
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            transform: translateX(-50%);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            padding: 0 1.5rem 1.25rem;
            color: var(--color-text-soft);
            font-size: 0.925rem;
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: var(--color-primary-dark);
            padding: 4rem 0;
            position: relative;
            overflow: hidden;
        }

        @media (min-width: 768px) {
            .cta-section {
                padding: 5rem 0;
            }
        }

        .cta-section::before,
        .cta-section::after {
            content: '';
            position: absolute;
            border-radius: 9999px;
            border: 2px solid rgba(228, 169, 60, 0.3);
        }

        .cta-section::before {
            width: 240px;
            height: 240px;
            top: -80px;
            right: -40px;
        }

        .cta-section::after {
            width: 100px;
            height: 100px;
            bottom: -20px;
            left: 10%;
            border-width: 1px;
        }

        .cta-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

        @media (min-width: 768px) {
            .cta-title {
                font-size: 2rem;
            }
        }

        .cta-desc {
            color: rgba(255, 255, 255, 0.7);
            max-width: 32rem;
            margin: 0 auto 2rem;
            line-height: 1.8;
        }

        /* 页脚 */
        .site-footer {
            background: var(--color-bg-dark, #132A38);
            padding: 3.5rem 0 0;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-top {
            padding-bottom: 2.5rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 768px) {
            .footer-top {
                grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
                gap: 2rem;
            }
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-brand .accent {
            color: var(--color-accent);
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 1.5rem;
        }

        .footer-social {
            display: flex;
            gap: 0.75rem;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: all 0.2s ease;
        }

        .footer-social a:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
        }

        .footer-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
        }

        .footer-links {
            list-style: none;
            padding: 0;
        }

        .footer-links li {
            padding: 0.35rem 0;
        }

        .footer-links a {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-news li {
            font-size: 0.875rem;
            padding: 0.35rem 0;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.5;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            padding: 0.4rem 0;
            font-size: 0.875rem;
        }

        .footer-contact i {
            color: var(--color-accent);
            margin-top: 0.15rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.5rem 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* 其他辅助样式 */
        .section-padding {
            padding: 4rem 0;
        }

        @media (min-width: 768px) {
            .section-padding {
                padding: 5.5rem 0;
            }
        }

        .card-base {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            box-shadow: var(--shadow-card);
        }

        .text-gradient {
            background: linear-gradient(to right, var(--color-primary), var(--color-primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .faq-tip {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin-top: 2rem;
        }

/* roulang page: article */
:root{
--primary:#1A5A7A;--primary-dark:#113C50;--accent:#E4A93C;--bg:#F6F8FA;--card:#FFFFFF;
--text:#1F2A37;--muted:#5B6B7C;--line:#E4E9EE;--footer-bg:#132A38;
--radius-card:12px;--radius-btn:8px;--radius-pill:9999px;
--shadow-card:0 1px 3px rgba(17,60,80,.06),0 8px 24px rgba(17,60,80,.08);
--shadow-hover:0 4px 12px rgba(17,60,80,.10),0 18px 36px rgba(17,60,80,.16);
--font-serif:"Noto Serif CJK SC","Songti SC","SimSun",serif;
--font-sans:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .2s}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
@media(min-width:640px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 48px}}
/* ===== Header & Nav ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:72px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(228,233,238,.7);transition:box-shadow .3s,background .3s}
.site-header.scrolled{box-shadow:0 4px 20px rgba(17,60,80,.08);background:rgba(255,255,255,.98)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.logo{display:flex;align-items:center;gap:6px;font-size:22px;font-weight:800;color:var(--primary);letter-spacing:.5px}
.logo em{font-style:normal;color:var(--primary);font-family:var(--font-serif);font-weight:700}
.logo span{font-size:13px;font-weight:500;color:var(--muted);background:rgba(228,169,60,.14);padding:2px 10px;border-radius:var(--radius-pill);line-height:1.4;letter-spacing:1px}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none}
.nav-link{display:inline-block;padding:8px 16px;font-size:15px;font-weight:500;color:#3d4f5e;border-radius:8px;position:relative;transition:background .2s,color .2s}
.nav-link:hover{background:#F1F5F9;color:var(--primary)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:16px;right:16px;bottom:-2px;height:2px;background:var(--primary);border-radius:2px}
.mega-wrap{position:relative;z-index:50}
.mega-trigger-btn{display:flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--primary);font-size:14px;font-weight:500;cursor:pointer;transition:background .2s,border-color .2s}
.mega-trigger-btn:hover{border-color:var(--primary);background:rgba(26,90,122,.06)}
.mega-panel{position:absolute;top:calc(100% + 14px);right:0;width:720px;background:#fff;border-radius:16px;box-shadow:var(--shadow-hover);border:1px solid var(--line);padding:24px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s ease;z-index:200}
.mega-panel::before{content:"";position:absolute;top:-8px;right:32px;width:16px;height:16px;background:#fff;border-left:1px solid var(--line);border-top:1px solid var(--line);transform:rotate(45deg)}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
.mega-col h4{font-size:13px;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}
.mega-links li{margin-bottom:2px}
.mega-links a{display:block;padding:6px 10px;border-radius:6px;font-size:14px;color:var(--text);transition:background .2s,color .2s}
.mega-links a:hover{background:#F1F5F9;color:var(--primary)}
.mega-news li{font-size:14px;color:var(--muted);padding:6px 10px;border-radius:6px;cursor:default;border-bottom:1px dashed var(--line)}
.mega-news li:last-child{border-bottom:0}
.mega-news span{display:block;font-size:12px;color:#96a3b0;margin-top:2px}
.mega-card{background:var(--bg);border-radius:12px;padding:16px;border:1px solid var(--line);display:flex;flex-direction:column;gap:8px;transition:box-shadow .2s,border-color .2s}
.mega-card:hover{border-color:var(--primary);box-shadow:var(--shadow-card)}
.mega-card i{color:var(--accent);font-size:18px}
.mega-card p{font-size:13px;color:var(--muted);line-height:1.6}
.mega-card a{margin-top:auto;font-size:13px;font-weight:600;color:var(--primary)}
.mega-card a:hover{text-decoration:underline;text-underline-offset:4px}
.mobile-toggle{display:none;background:none;border:none;font-size:22px;color:var(--primary);cursor:pointer;padding:6px}
.mobile-menu{display:none;position:fixed;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 8px 24px rgba(17,60,80,.1);padding:16px 24px;flex-direction:column;gap:4px;z-index:99}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:12px 12px;border-radius:8px;font-size:16px;font-weight:500;color:var(--text)}
.mobile-menu a:hover{background:#F1F5F9;color:var(--primary)}
.mobile-menu a.active{color:var(--primary);background:rgba(26,90,122,.06)}
@media(max-width:768px){
.nav-links{display:none}
.mobile-toggle{display:block}
.mega-wrap{display:none}
}
@media(min-width:769px){.mobile-menu{display:none!important}}
/* ===== Article Hero ===== */
.article-hero{background:#fff;position:relative;border-bottom:1px solid var(--line);padding:120px 0 48px;overflow:hidden}
.article-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.06}
.article-hero::after{content:"55世纪";position:absolute;right:20px;top:80px;font-family:var(--font-serif);font-size:120px;font-weight:700;color:var(--primary);opacity:.04;pointer-events:none;line-height:1}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--muted);margin-bottom:24px;position:relative;z-index:1}
.breadcrumb a{color:var(--primary);font-weight:500}
.breadcrumb a:hover{text-decoration:underline;text-underline-offset:4px}
.breadcrumb i{font-size:11px;color:#96a3b0}
.cat-badge{display:inline-block;background:rgba(228,169,60,.14);color:#B47A18;font-size:13px;font-weight:600;padding:4px 16px;border-radius:var(--radius-pill);margin-bottom:16px;position:relative;z-index:1}
.article-hero h1{font-family:var(--font-serif);font-size:32px;line-height:1.4;font-weight:700;color:var(--primary-dark);margin-bottom:12px;letter-spacing:-.3px;position:relative;z-index:1;max-width:820px}
.article-summary{font-size:16px;color:var(--muted);line-height:1.8;margin-bottom:20px;max-width:720px;position:relative;z-index:1}
.article-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:14px;color:var(--muted);position:relative;z-index:1}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--accent);font-size:13px}
/* ===== Article Content ===== */
.article-body{padding:64px 0 32px}
.article-content{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:48px;box-shadow:var(--shadow-card)}
.article-content p{font-size:17px;line-height:1.9;margin-bottom:24px;color:#2A3441}
.article-content h2{font-family:var(--font-serif);font-size:24px;font-weight:700;color:var(--primary-dark);margin:40px 0 16px;padding-bottom:10px;border-bottom:2px solid rgba(26,90,122,.12)}
.article-content h3{font-size:19px;font-weight:700;color:var(--primary);margin:32px 0 12px}
.article-content ul{margin:16px 0 24px;padding-left:24px}
.article-content ul li{position:relative;padding-left:16px;margin-bottom:10px;line-height:1.8;color:#2A3441}
.article-content ul li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;background:var(--accent);border-radius:50%}
.article-content ol{margin:16px 0 24px;padding-left:24px;counter-reset:list}
.article-content ol li{padding-left:8px;margin-bottom:10px;line-height:1.8;color:#2A3441}
.article-content blockquote{border-left:4px solid var(--accent);background:rgba(228,169,60,.06);padding:20px 24px;margin:32px 0;border-radius:0 12px 12px 0;font-style:normal;color:var(--primary-dark);}
.article-content blockquote p{margin-bottom:8px;font-size:16px;color:#4A5A6A}
.article-content img{border-radius:12px;margin:32px 0;box-shadow:var(--shadow-card)}
.article-content a{color:var(--primary);font-weight:500}
.article-content a:hover{text-decoration:underline;text-underline-offset:4px}
.not-found{text-align:center;padding:64px 24px}
.not-found i{font-size:48px;color:var(--accent);margin-bottom:16px}
.not-found p{font-size:18px;color:var(--muted);margin-bottom:16px}
.not-found a{display:inline-block;padding:10px 28px;background:var(--primary);color:#fff;border-radius:8px;font-weight:500}
.not-found a:hover{background:var(--primary-dark);transform:translateY(-2px)}
/* ===== Article pagination ===== */
.article-pagination{padding:32px 0 64px}
.pagination-inner{max-width:900px;margin:0 auto;display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center}
.page-btn{display:flex;align-items:center;gap:10px;padding:14px 20px;background:#fff;border:1px solid var(--line);border-radius:12px;transition:all .2s}
.page-btn:hover{border-color:var(--primary);box-shadow:var(--shadow-card);transform:translateY(-1px)}
.page-btn.prev{grid-column:1}
.page-btn.next{grid-column:3;text-align:right;justify-content:flex-end}
.page-btn .dir{font-size:12px;color:var(--muted);display:block}
.page-btn .txt{font-size:14px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}
.page-btn:hover .txt{color:var(--primary)}
.pagination-center{grid-column:2;display:flex;justify-content:center}
.pagination-center a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--primary);font-weight:500}
.pagination-center a:hover{text-decoration:underline}
@media(max-width:768px){.pagination-inner{grid-template-columns:1fr;gap:10px}.page-btn.next{grid-column:1;text-align:left;justify-content:flex-start}.pagination-center{display:none}}
/* ===== Related Cards ===== */
.related-section{padding:64px 0;background:var(--bg);border-top:1px solid var(--line)}
.related-section .section-head{max-width:900px;margin:0 auto 40px}
.related-grid{max-width:900px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:#fff;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);transition:all .25s;display:flex;flex-direction:column}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.related-card img{width:100%;height:180px;object-fit:cover;transition:transform .3s}
.related-card:hover img{transform:scale(1.03)}
.related-card .rc-body{padding:20px;flex:1;display:flex;flex-direction:column;gap:8px}
.related-card .rc-cat{font-size:12px;color:var(--accent);font-weight:600}
.related-card h3{font-size:16px;line-height:1.5;font-weight:600}
.related-card h3 a{color:var(--text)}
.related-card h3 a:hover{color:var(--primary)}
.related-card p{font-size:14px;color:var(--muted);line-height:1.6;flex:1}
.related-card .rc-link{font-size:14px;color:var(--primary);font-weight:600}
.related-card .rc-link:hover{text-decoration:underline}
@media(max-width:768px){.related-grid{grid-template-columns:1fr;gap:16px}}
@media(min-width:769px) and (max-width:1024px){.related-grid{grid-template-columns:repeat(2,1fr)}}
/* ===== CTA ===== */
.cta-section{background:var(--footer-bg);padding:72px 0;position:relative;overflow:hidden}
.cta-section::before{content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;border:2px solid rgba(228,169,60,.3);border-radius:50%}
.cta-section::after{content:"";position:absolute;left:-60px;bottom:-60px;width:240px;height:240px;border:2px solid rgba(228,169,60,.2);border-radius:50%}
.cta-inner{position:relative;z-index:1;text-align:center;max-width:700px;margin:0 auto}
.cta-inner h2{font-family:var(--font-serif);font-size:28px;color:#fff;margin-bottom:12px;line-height:1.4}
.cta-inner p{color:rgba(255,255,255,.7);font-size:16px;margin-bottom:32px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;background:#fff;color:var(--primary-dark)!important;border-radius:8px;font-weight:600;font-size:15px;transition:all .2s;box-shadow:0 4px 14px rgba(0,0,0,.15)}
.btn-primary:hover{background:rgba(255,255,255,.9);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.2)}
.btn-outline{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;background:transparent;color:#fff!important;border:2px solid rgba(255,255,255,.5);border-radius:8px;font-weight:500;font-size:15px;transition:all .2s}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
/* ===== Footer ===== */
.site-footer{background:var(--footer-bg);padding:56px 0 0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:48px}
.footer-brand{font-size:22px;font-weight:800;color:#fff;margin-bottom:12px}
.footer-brand span{color:var(--accent)}
.footer-desc{font-size:14px;color:rgba(255,255,255,.55);line-height:1.8;margin-bottom:16px;max-width:300px}
.footer-social{display:flex;gap:12px}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);font-size:14px;transition:all .2s}
.footer-social a:hover{background:var(--accent);color:#132A38}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;position:relative;padding-bottom:8px}
.footer-title::after{content:"";position:absolute;bottom:0;left:0;width:24px;height:2px;background:var(--accent)}
.footer-links,.footer-news{list-style:none}
.footer-links li,.footer-news li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.65);transition:color .2s,padding-left .2s}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-news li{font-size:14px;color:rgba(255,255,255,.55);cursor:default}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.65);display:flex;align-items:center;gap:10px}
.footer-contact i{color:var(--accent);width:16px;text-align:center}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.45)}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:#fff}
@media(max-width:1024px){.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.footer-top{grid-template-columns:1fr;gap:24px}.footer-bottom{font-size:12px}}
/* ===== Section Heading ===== */
.section-head{text-align:left;margin-bottom:40px}
.section-head h2{font-family:var(--font-serif);font-size:28px;font-weight:700;color:var(--primary-dark);line-height:1.3}
.section-head p{font-size:15px;color:var(--muted);margin-top:8px}
/* ===== Badge ===== */
.tag-pill{display:inline-block;padding:4px 14px;background:rgba(26,90,122,.08);color:var(--primary);font-size:13px;border-radius:var(--radius-pill);font-weight:500}
/* Responsive */
@media(max-width:768px){
.article-hero{padding:100px 0 32px}
.article-hero h1{font-size:26px}
.article-content{padding:28px 20px}
.article-content p{font-size:16px}
.article-hero::after{font-size:72px;top:100px}
}

/* roulang page: category1 */
:root {
            --color-primary: #1A5A7A;
            --color-primary-dark: #113C50;
            --color-accent: #E4A93C;
            --color-bg: #F6F8FA;
            --color-card: #FFFFFF;
            --color-text: #1F2A37;
            --color-text-weak: #5B6B7C;
            --color-border: #E4E9EE;
            --color-footer: #132A38;
            --shadow-card: 0 1px 3px rgba(17, 60, 80, .06), 0 8px 24px rgba(17, 60, 80, .08);
            --shadow-card-hover: 0 4px 12px rgba(17, 60, 80, .10), 0 18px 36px rgba(17, 60, 80, .16);
            --radius-card: 12px;
            --radius-btn: 8px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
            --font-serif: "Noto Serif CJK SC", "Songti SC", "SimSun", serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        @media (min-width: 640px) {
            .container {
                padding: 0 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 2rem;
            }
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(228, 233, 238, .8);
            transition: box-shadow .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(17, 60, 80, .08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: baseline;
            gap: 4px;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: .5px;
            white-space: nowrap;
        }
        .logo span {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-accent);
            letter-spacing: 2px;
        }
        .nav-links {
            display: none;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 4px;
            transition: color .2s ease;
        }
        .nav-link:hover {
            color: var(--color-primary);
        }
        .nav-link.active {
            color: var(--color-primary);
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 4px;
            right: 4px;
            bottom: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .mega-wrap {
            position: relative;
            display: none;
        }
        .mega-trigger {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: 1px solid var(--color-border);
            background: #fff;
            color: var(--color-text);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 9999px;
            cursor: pointer;
            transition: all .2s ease;
        }
        .mega-trigger:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 16px);
            right: 0;
            width: 640px;
            max-width: 90vw;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card-hover);
            padding: 28px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all .3s ease;
            z-index: 100;
        }
        .mega-panel::before {
            content: "";
            position: absolute;
            top: -8px;
            right: 30px;
            width: 16px;
            height: 16px;
            background: #fff;
            transform: rotate(45deg);
            border-radius: 3px;
        }
        .mega-wrap:hover .mega-panel,
        .mega-wrap:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-panel-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
        }
        .mega-col-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-text-weak);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }
        .mega-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text);
            padding: 6px 0;
            transition: color .2s;
        }
        .mega-link:hover {
            color: var(--color-primary);
        }
        .mega-link i {
            color: var(--color-accent);
            font-size: 12px;
        }
        .mega-news-item {
            padding: 8px 0;
            border-bottom: 1px solid rgba(228, 233, 238, .6);
        }
        .mega-news-item:last-child {
            border-bottom: none;
        }
        .mega-news-item p {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text);
            line-height: 1.5;
        }
        .mega-news-item span {
            font-size: 12px;
            color: var(--color-text-weak);
        }
        .mega-card {
            background: var(--color-bg);
            border-radius: 10px;
            padding: 16px;
            border: 1px solid var(--color-border);
        }
        .mega-card i {
            font-size: 20px;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .mega-card p {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
        }
        .mega-card span {
            font-size: 12px;
            color: var(--color-text-weak);
            display: block;
            margin: 4px 0 8px;
            line-height: 1.5;
        }
        .mega-card a {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
        }
        .mobile-toggle-input {
            display: none;
        }
        .mobile-toggle-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: #fff;
            cursor: pointer;
            font-size: 18px;
            color: var(--color-text);
            transition: all .2s;
        }
        .mobile-toggle-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--color-border);
            padding: 12px 16px 20px;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 4px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 1px solid rgba(228, 233, 238, .6);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .mobile-toggle-input:checked~.mobile-menu {
            display: block;
        }
        .page-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 72px 0 88px;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(255, 255, 255, .92);
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-weak);
            margin-bottom: 24px;
        }
        .breadcrumb a {
            color: var(--color-text-weak);
            transition: color .2s;
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .sep {
            color: #c0c8d0;
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }
        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 1px;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .page-hero .lead {
            max-width: 680px;
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text);
        }
        @media (min-width: 768px) {
            .page-hero h1 {
                font-size: 52px;
            }
            .page-hero .lead {
                font-size: 17px;
                line-height: 1.8;
            }
        }
        .section {
            padding: 64px 0;
        }
        .section-tight {
            padding: 48px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-head {
            margin-bottom: 40px;
            max-width: 720px;
        }
        .section-head .tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(26, 90, 122, .08);
            padding: 4px 14px;
            border-radius: 9999px;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .section-head h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-primary-dark);
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--color-text-weak);
            line-height: 1.8;
        }
        @media (min-width: 768px) {
            .section-head h2 {
                font-size: 32px;
            }
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 1.5px solid transparent;
            cursor: pointer;
            transition: all .25s ease;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(17, 60, 80, .2);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: #fff;
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .btn-outline:hover {
            background: rgba(26, 90, 122, .05);
        }
        .btn-white {
            background: #fff;
            color: var(--color-primary-dark);
        }
        .btn-white:hover {
            background: rgba(255, 255, 255, .88);
            transform: translateY(-1px);
        }
        .btn-outline-white {
            background: transparent;
            border-color: rgba(255, 255, 255, .7);
            color: #fff;
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
        }
        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 90, 122, .5);
        }
        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid rgba(228, 233, 238, .8);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: box-shadow .25s ease, transform .25s ease;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(26, 90, 122, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .icon-wrap.gold {
            background: rgba(228, 169, 60, .12);
            color: var(--color-accent);
        }
        .card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.75;
        }
        .step-list {
            position: relative;
            padding-left: 32px;
        }
        .step-list::before {
            content: "";
            position: absolute;
            left: 11px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: rgba(26, 90, 122, .15);
            border-radius: 2px;
        }
        .step-item {
            position: relative;
            padding-bottom: 32px;
        }
        .step-item:last-child {
            padding-bottom: 0;
        }
        .step-number {
            position: absolute;
            left: -32px;
            top: 2px;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1;
        }
        .step-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .faq-item:hover {
            background: #F8FAFC;
        }
        .faq-item details {
            position: relative;
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            cursor: pointer;
            list-style: none;
            transition: color .2s;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "+";
            font-size: 24px;
            font-weight: 300;
            color: var(--color-primary);
            transition: transform .3s ease;
            line-height: 1;
            margin-left: 16px;
        }
        .faq-item details[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-item details[open] {
            border-left: 4px solid var(--color-primary);
        }
        .faq-item details[open] summary {
            color: var(--color-primary);
            font-weight: 600;
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.8;
        }
        .cta-section {
            background: var(--color-primary-dark);
            position: relative;
            overflow: hidden;
            padding: 72px 0;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            border: 2px solid rgba(228, 169, 60, .35);
            top: -80px;
            left: -60px;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            border: 2px solid rgba(228, 169, 60, .28);
            bottom: -50px;
            right: 40px;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .site-footer {
            background: var(--color-footer);
            color: rgba(255, 255, 255, .75);
            padding: 56px 0 0;
            font-size: 14px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 36px;
            padding-bottom: 40px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 16px;
            max-width: 320px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .75);
            transition: all .2s;
        }
        .footer-social a:hover {
            background: var(--color-primary);
            color: #fff;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-links,
        .footer-news {
            list-style: none;
            padding: 0;
        }
        .footer-links li,
        .footer-news li {
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .65);
            transition: color .2s;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: rgba(255, 255, 255, .65);
        }
        .footer-contact i {
            color: var(--color-accent);
            margin-top: 4px;
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .5);
            transition: color .2s;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (min-width: 768px) {
            .nav-links {
                display: flex;
            }
            .mega-wrap {
                display: block;
            }
            .mobile-toggle-btn {
                display: none;
            }
            .footer-top {
                grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
                gap: 48px;
            }
            .section {
                padding: 80px 0;
            }
            .section-tight {
                padding: 64px 0;
            }
        }
        @media (min-width: 1024px) {
            .section {
                padding: 96px 0;
            }
        }
        @media (max-width: 767px) {
            .mega-panel {
                position: static;
                width: 100%;
                max-width: 100%;
                box-shadow: var(--shadow-card);
                transform: none;
                opacity: 1;
                visibility: visible;
                display: none;
                margin-top: 12px;
            }
            .mega-wrap:hover .mega-panel,
            .mega-wrap:focus-within .mega-panel {
                display: block;
            }
            .mega-panel-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .mobile-menu {
                display: none;
            }
        }
        .image-frame {
            border-radius: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .image-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .image-frame:hover img {
            transform: scale(1.03);
        }
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(228, 169, 60, .1);
            padding: 4px 12px;
            border-radius: 9999px;
        }
        .check-list {
            list-style: none;
            padding: 0;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.7;
        }
        .check-list li i {
            color: var(--color-primary);
            margin-top: 6px;
            font-size: 13px;
            flex-shrink: 0;
        }
        .back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-primary);
            font-weight: 500;
            font-size: 14px;
            transition: gap .2s;
        }
        .back-home:hover {
            gap: 12px;
            color: var(--color-primary-dark);
        }
        .feature-tile {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 14px;
            padding: 28px;
            transition: box-shadow .25s ease, transform .25s ease;
        }
        .feature-tile:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .feature-tile i {
            font-size: 24px;
            color: var(--color-primary);
            margin-bottom: 14px;
        }
        .feature-tile h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .feature-tile p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
        }
        .divider {
            height: 1px;
            background: var(--color-border);
            border: none;
            margin: 0;
        }

/* roulang page: category2 */
:root {
            --color-primary: #1A5A7A;
            --color-primary-dark: #113C50;
            --color-accent: #E4A93C;
            --color-bg: #F6F8FA;
            --color-card: #FFFFFF;
            --color-text: #1F2A37;
            --color-text-weak: #5B6B7C;
            --color-border: #E4E9EE;
            --shadow-card: 0 1px 3px rgba(17,60,80,.06), 0 8px 24px rgba(17,60,80,.08);
            --shadow-card-hover: 0 4px 12px rgba(17,60,80,.10), 0 18px 36px rgba(17,60,80,.16);
            --radius-card: 12px;
            --radius-btn: 8px;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            font-size: 16px;
        }
        a { color: var(--color-primary); text-decoration: none; }
        img { max-width: 100%; display: block; }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 16px; }
        @media (min-width: 640px) { .container { padding: 0 24px; } }
        @media (min-width: 1024px) { .container { padding: 0 32px; } }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: 72px;
            background: rgba(255,255,255,.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(228,233,238,.7);
            transition: box-shadow .3s ease;
        }
        .site-header.scrolled { box-shadow: 0 2px 20px rgba(17,60,80,.08); }
        .header-inner { height: 72px; display: flex; align-items: center; justify-content: space-between; }
        .brand { display: flex; align-items: center; text-decoration: none; gap: 10px; }
        .brand-logo {
            width: 40px; height: 40px; border-radius: 8px;
            background: var(--color-primary); display: flex; align-items: center; justify-content: center;
            color: #fff; font-weight: 800; font-size: 16px;
        }
        .brand-text { font-size: 20px; font-weight: 700; color: var(--color-text); letter-spacing: .5px; }
        .brand-text span { color: var(--color-accent); }
        .brand-sub { font-size: 11px; color: var(--color-text-weak); display: block; letter-spacing: 2px; }
        .nav-links { display: flex; align-items: center; gap: 2px; }
        .nav-link {
            position: relative;
            display: inline-block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-weak);
            text-decoration: none;
            border-radius: 6px;
            transition: color .2s ease, background .2s ease;
        }
        .nav-link:hover { color: var(--color-primary); background: #F1F5F9; }
        .nav-link.active { color: var(--color-primary); font-weight: 600; }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px; left: 14px; right: 14px;
            height: 2px; background: var(--color-primary);
            border-radius: 2px;
        }
        .header-actions { display: flex; align-items: center; gap: 10px; }
        .header-icon {
            width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
            border-radius: 8px; color: var(--color-text-weak); font-size: 15px;
            cursor: pointer; transition: background .2s, color .2s;
            background: none; border: none;
        }
        .header-icon:hover { background: #F1F5F9; color: var(--color-primary); }
        .header-icon:focus-visible { outline: none; box-shadow: 0 0 0 2px rgba(26,90,122,.3); }

        .mega-group { position: relative; }
        .mega-panel {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            width: 640px;
            max-width: 90vw;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card-hover);
            padding: 24px;
            border: 1px solid var(--color-border);
            z-index: 200;
        }
        .mega-panel::before {
            content: '';
            position: absolute;
            top: -6px; right: 32px;
            width: 12px; height: 12px;
            background: #fff;
            border-left: 1px solid var(--color-border);
            border-top: 1px solid var(--color-border);
            transform: rotate(45deg);
        }
        .mega-group:hover .mega-panel,
        .mega-group:focus-within .mega-panel { display: block; }
        .mega-col-title { font-size: 13px; font-weight: 600; color: var(--color-text); margin-bottom: 10px; letter-spacing: .5px; }
        .mega-list { list-style: none; margin: 0; padding: 0; }
        .mega-list li { margin-bottom: 6px; }
        .mega-list a { color: var(--color-text-weak); text-decoration: none; font-size: 14px; transition: color .2s; }
        .mega-list a:hover { color: var(--color-primary); }
        .mega-list .date { display: block; font-size: 12px; color: #A0AEC0; }
        .mega-card {
            background: var(--color-bg); border-radius: var(--radius-card);
            padding: 16px;
        }
        .mega-card p { font-size: 12px; line-height: 1.7; color: var(--color-text-weak); margin-bottom: 10px; }
        .mega-card a { font-size: 13px; color: var(--color-primary); text-decoration: none; font-weight: 500; }

        /* Buttons */
        .btn {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 10px 24px; border-radius: var(--radius-btn);
            font-size: 15px; font-weight: 500; text-decoration: none;
            transition: all .25s ease; cursor: pointer; border: none;
            line-height: 1.4;
        }
        .btn-primary { background: var(--color-primary); color: #fff; box-shadow: 0 2px 8px rgba(26,90,122,.25); }
        .btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-card-hover); }
        .btn-primary:active { transform: translateY(0); }
        .btn-primary:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(26,90,122,.3), 0 2px 8px rgba(26,90,122,.25); }
        .btn-secondary { background: #fff; color: var(--color-primary); border: 1px solid var(--color-primary); }
        .btn-secondary:hover { background: rgba(26,90,122,.05); }
        .btn-white { background: #fff; color: var(--color-primary-dark); }
        .btn-white:hover { background: #F6F8FA; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(0,0,0,.15); }
        .btn-white-outline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.6); }
        .btn-white-outline:hover { background: rgba(255,255,255,.1); }

        /* Category Hero */
        .category-hero {
            position: relative;
            padding: 56px 0 48px;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }
        .category-hero::before {
            content: '';
            position: absolute; inset: 0;
            background: rgba(246,248,250,.92);
        }
        .category-hero .container { position: relative; z-index: 1; }
        .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--color-text-weak); margin-bottom: 16px; }
        .breadcrumb a { color: var(--color-primary); text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; text-underline-offset: 4px; }
        .breadcrumb .sep { color: #A0AEC0; }
        .category-hero h1 {
            font-family: 'Noto Serif CJK SC', 'Songti SC', 'SimSun', serif;
            font-size: 38px;
            font-weight: 800;
            color: var(--color-primary-dark);
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        @media (min-width: 768px) { .category-hero h1 { font-size: 48px; } }
        .category-hero .lead {
            font-size: 16px; line-height: 1.8;
            color: var(--color-text-weak);
            max-width: 560px;
        }
        @media (min-width: 768px) { .category-hero .lead { font-size: 17px; } }

        /* Section */
        .section { padding: 56px 0; }
        @media (min-width: 768px) { .section { padding: 72px 0; } }
        .section-alt { background: #fff; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
        .section-label {
            display: inline-flex; align-items: center; gap: 6px;
            font-size: 13px; font-weight: 600; color: var(--color-primary);
            background: rgba(26,90,122,.08); padding: 4px 14px;
            border-radius: 999px; letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .section h2 {
            font-size: 26px; font-weight: 700; color: var(--color-primary-dark);
            margin-bottom: 12px; letter-spacing: .5px;
        }
        @media (min-width: 768px) { .section h2 { font-size: 32px; } }
        .section-intro {
            font-size: 15px; line-height: 1.8; color: var(--color-text-weak);
            max-width: 640px; margin-bottom: 32px;
        }
        @media (min-width: 768px) { .section-intro { font-size: 17px; } }

        /* Cards */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 24px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: box-shadow .3s ease, transform .3s ease;
        }
        .card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
        .card-icon {
            width: 44px; height: 44px; border-radius: 10px;
            background: rgba(26,90,122,.1);
            display: flex; align-items: center; justify-content: center;
            color: var(--color-primary); font-size: 18px;
            margin-bottom: 16px;
        }
        .card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; color: var(--color-text); }
        .card p { font-size: 14px; line-height: 1.8; color: var(--color-text-weak); }

        /* Feature block */
        .feature-block { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: center; }
        @media (min-width: 900px) {
            .feature-block { grid-template-columns: 1fr 1fr; gap: 48px; }
            .feature-block.reverse > .feature-media { order: 2; }
            .feature-block.reverse > .feature-content { order: 1; }
        }
        .feature-media { border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); }
        .feature-media img { width: 100%; height: 100%; object-fit: cover; min-height: 240px; }
        .feature-content h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; color: var(--color-primary-dark); }
        .feature-content p { font-size: 15px; line-height: 1.8; color: var(--color-text-weak); margin-bottom: 12px; }
        .feature-list { list-style: none; margin: 0; padding: 0; }
        .feature-list li {
            padding: 8px 0 8px 28px; position: relative;
            font-size: 15px; color: var(--color-text);
        }
        .feature-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute; left: 0; top: 8px;
            color: var(--color-primary); font-size: 13px;
        }

        /* Stat band */
        .stat-band { background: var(--color-primary-dark); padding: 48px 0; color: #fff; }
        .stat-band h2 { color: #fff; font-size: 24px; margin-bottom: 8px; font-family: 'Noto Serif CJK SC', 'Songti SC', serif; text-align: center; }
        .stat-band .stat-sub { color: rgba(255,255,255,.6); font-size: 14px; text-align: center; margin-bottom: 32px; }
        .stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; text-align: center; }
        @media (min-width: 900px) { .stat-grid { grid-template-columns: repeat(4, 1fr); } }
        .stat-item h3 { font-size: 36px; font-weight: 800; color: var(--color-accent); font-family: 'Noto Serif CJK SC', 'Songti SC', serif; }
        .stat-item .stat-label { font-size: 14px; color: rgba(255,255,255,.7); margin-top: 4px; }

        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .3s ease;
        }
        .faq-item.active { border-color: rgba(26,90,122,.4); }
        .faq-q {
            display: flex; align-items: center; justify-content: space-between;
            padding: 18px 20px; cursor: pointer;
            font-size: 15px; font-weight: 500;
            transition: background .3s ease;
            border-left: 3px solid transparent;
        }
        .faq-q:hover { background: #F8FAFC; }
        .faq-item.active .faq-q { border-left-color: var(--color-primary); }
        .faq-q .icon {
            width: 24px; height: 24px; flex-shrink: 0;
            display: flex; align-items: center; justify-content: center;
            border-radius: 50%; background: rgba(26,90,122,.1);
            color: var(--color-primary); font-size: 14px;
            transition: transform .3s ease;
        }
        .faq-item.active .faq-q .icon { transform: rotate(45deg); }
        .faq-a { padding: 0 20px 18px; font-size: 14px; line-height: 1.8; color: var(--color-text-weak); display: none; }
        .faq-item.active .faq-a { display: block; }

        /* CTA */
        .cta-section {
            background: var(--color-primary-dark);
            padding: 56px 0;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before,
        .cta-section::after {
            content: '';
            position: absolute;
            border: 1px solid rgba(228,169,60,.25);
            border-radius: 50%;
        }
        .cta-section::before { width: 160px; height: 160px; top: -40px; left: -40px; }
        .cta-section::after { width: 220px; height: 220px; bottom: -60px; right: -60px; }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 {
            font-size: 26px; font-weight: 700; margin-bottom: 12px;
            font-family: 'Noto Serif CJK SC', 'Songti SC', serif;
        }
        @media (min-width: 768px) { .cta-section h2 { font-size: 36px; } }
        .cta-section p { font-size: 15px; color: rgba(255,255,255,.75); line-height: 1.8; margin-bottom: 24px; max-width: 480px; margin-left: auto; margin-right: auto; }
        .cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

        /* Footer */
        .site-footer {
            background: #132A38;
            color: rgba(255,255,255,.7);
            padding: 56px 0 24px;
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-top { display: grid; grid-template-columns: 1fr; gap: 32px; margin-bottom: 40px; }
        @media (min-width: 768px) { .footer-top { grid-template-columns: repeat(2, 1fr); } }
        @media (min-width: 1024px) { .footer-top { grid-template-columns: 1.2fr 1fr 1fr 1.2fr; gap: 48px; } }
        .footer-brand { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 8px; }
        .footer-brand span { color: var(--color-accent); }
        .footer-desc { font-size: 14px; color: rgba(255,255,255,.55); margin-bottom: 16px; }
        .footer-social { display: flex; gap: 8px; }
        .footer-social a {
            width: 34px; height: 34px; border-radius: 8px;
            background: rgba(255,255,255,.1);
            display: flex; align-items: center; justify-content: center;
            color: rgba(255,255,255,.7); font-size: 14px;
            transition: background .2s, color .2s;
        }
        .footer-social a:hover { background: var(--color-accent); color: #132A38; }
        .footer-title { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 12px; }
        .footer-links, .footer-news { list-style: none; margin: 0; padding: 0; }
        .footer-links li, .footer-news li { padding: 4px 0; }
        .footer-links a { color: rgba(255,255,255,.6); text-decoration: none; transition: color .2s; }
        .footer-links a:hover { color: var(--color-accent); }
        .footer-news li { color: rgba(255,255,255,.5); cursor: default; }
        .footer-contact li { display: flex; align-items: center; gap: 8px; }
        .footer-contact i { color: var(--color-accent); font-size: 13px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.1);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,.45);
        }
        .footer-bottom a { color: rgba(255,255,255,.5); text-decoration: none; }

        /* Mobile menu */
        .menu-toggle {
            display: none;
            width: 40px; height: 40px;
            align-items: center; justify-content: center;
            background: none; border: none;
            font-size: 18px; color: var(--color-text);
            cursor: pointer; border-radius: 8px;
        }
        .menu-toggle:hover { background: #F1F5F9; }
        @media (max-width: 900px) {
            .menu-toggle { display: flex; }
            .nav-links {
                display: none;
                position: fixed;
                top: 72px; left: 0; right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                box-shadow: 0 8px 30px rgba(17,60,80,.12);
                border-radius: 0 0 12px 12px;
                z-index: 99;
            }
            .nav-links.open { display: flex; }
            .nav-link { padding: 12px 16px; }
            .nav-link.active::after { display: none; }
            .nav-link.active { background: rgba(26,90,122,.08); }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #1A5A7A;
            --color-primary-dark: #113C50;
            --color-accent: #E4A93C;
            --color-bg: #F6F8FA;
            --color-card: #ffffff;
            --color-text: #1F2A37;
            --color-muted: #5B6B7C;
            --color-border: #E4E9EE;
            --shadow-card: 0 1px 3px rgba(17, 60, 80, .06), 0 8px 24px rgba(17, 60, 80, .08);
            --shadow-card-hover: 0 4px 12px rgba(17, 60, 80, .10), 0 18px 36px rgba(17, 60, 80, .16);
            --radius: 12px;
            --radius-btn: 8px;
            --radius-pill: 9999px;
            --transition: 200ms ease;
            --header-h: 72px;
        }

        /* ===== Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid transparent;
            z-index: 100;
            transition: box-shadow .25s ease, border-color .25s ease;
        }
        .site-header.scrolled {
            border-color: rgba(228, 233, 238, .7);
            box-shadow: 0 4px 20px rgba(17, 60, 80, .06);
        }
        .header-inner {
            height: var(--header-h);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .site-logo {
            font-family: "Noto Serif CJK SC", "Songti SC", "SimSun", serif;
            font-size: 26px;
            font-weight: 700;
            letter-spacing: .5px;
            color: var(--color-primary-dark);
            white-space: nowrap;
        }
        .site-logo span {
            color: var(--color-accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            position: relative;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: 8px;
            transition: color var(--transition), background var(--transition);
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: #F1F5F9;
        }
        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .menu-toggle:hover {
            background: #F1F5F9;
        }
        .menu-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary-dark);
            border-radius: 2px;
            transition: transform .25s ease, opacity .25s ease;
        }
        .menu-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 500;
            line-height: 1.4;
            transition: all var(--transition);
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            border: 1px solid transparent;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(17, 60, 80, .25);
        }
        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, .7);
            color: #fff;
            background: transparent;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
        }
        .btn-white {
            background: #fff;
            color: var(--color-primary-dark);
            border: 1px solid transparent;
        }
        .btn-white:hover {
            background: #F1F5F9;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, .15);
        }
        .btn-outline-white {
            border: 1px solid rgba(255, 255, 255, .8);
            color: #fff;
            background: transparent;
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
        }
        .btn:focus-visible,
        .menu-toggle:focus-visible,
        .nav-link:focus-visible {
            outline: 2px solid rgba(26, 90, 122, .5);
            outline-offset: 2px;
        }

        /* ===== Hero ===== */
        .page-hero {
            margin-top: var(--header-h);
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 72px 0 64px;
            color: #fff;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(17, 60, 80, .93) 0%, rgba(26, 90, 122, .78) 55%, rgba(26, 90, 122, .45) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 28px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .85);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .page-hero h1 {
            font-family: "Noto Serif CJK SC", "Songti SC", "SimSun", serif;
            font-size: 44px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .hero-lead {
            font-size: 20px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .hero-desc {
            max-width: 640px;
            font-size: 15px;
            color: rgba(255, 255, 255, .8);
            line-height: 1.9;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: #fff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .section-head {
            max-width: 720px;
            margin: 0 auto 48px;
            text-align: center;
        }
        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(26, 90, 122, .08);
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary-dark);
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .section-head p:not(.section-tag) {
            font-size: 16px;
            color: var(--color-muted);
            line-height: 1.8;
        }

        /* ===== 会员类型卡片 ===== */
        .member-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .member-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }
        .member-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .member-card.featured {
            border-color: rgba(26, 90, 122, .25);
            box-shadow: 0 8px 30px rgba(26, 90, 122, .12);
        }
        .member-badge {
            position: absolute;
            top: 18px;
            right: 20px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(228, 169, 60, .12);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }
        .member-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 8px;
        }
        .member-card .member-desc {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .member-card ul {
            display: grid;
            gap: 8px;
            margin-top: auto;
        }
        .member-card ul li {
            position: relative;
            padding-left: 22px;
            font-size: 14px;
            color: var(--color-text);
        }
        .member-card ul li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 9px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
            opacity: .7;
        }

        /* ===== 核心权益非对称 ===== */
        .benefit-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 28px;
        }
        .benefit-main {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background-size: cover;
            background-position: center;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
        }
        .benefit-main::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(17, 60, 80, .85) 0%, rgba(17, 60, 80, .1) 60%, rgba(17, 60, 80, 0) 100%);
        }
        .benefit-main-content {
            position: relative;
            z-index: 1;
            padding: 32px;
            color: #fff;
        }
        .benefit-main-content .tag {
            display: inline-block;
            background: rgba(228, 169, 60, .9);
            color: #113C50;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }
        .benefit-main-content h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .benefit-main-content p {
            font-size: 14px;
            color: rgba(255, 255, 255, .85);
            line-height: 1.8;
        }
        .benefit-side {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .benefit-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .benefit-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .benefit-item i {
            font-size: 24px;
            color: var(--color-accent);
            margin-bottom: 14px;
        }
        .benefit-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary-dark);
            margin-bottom: 8px;
        }
        .benefit-item p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.75;
        }

        /* ===== 加入流程 ===== */
        .flow-banner {
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 48px;
            box-shadow: var(--shadow-card);
        }
        .flow-banner img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .flow-item {
            position: relative;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 32px 24px 28px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .flow-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .flow-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(26, 90, 122, .08);
            color: var(--color-primary);
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(26, 90, 122, .2);
            margin-bottom: 18px;
        }
        .flow-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary-dark);
            margin-bottom: 8px;
        }
        .flow-item p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.8;
        }

        /* ===== 数据统计条 ===== */
        .stats-section {
            background: var(--color-primary-dark);
            padding: 56px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 20px 12px;
        }
        .stat-num {
            font-family: "Noto Serif CJK SC", "Songti SC", serif;
            font-size: 42px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }
        .stat-num span {
            font-size: 22px;
            margin-left: 4px;
        }
        .stat-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .container-narrow {
            max-width: 820px;
        }
        .faq-list {
            display: grid;
            gap: 14px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item.open {
            border-color: rgba(26, 90, 122, .25);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: #F8FAFC;
        }
        .faq-question .icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border: 1px solid var(--color-border);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--color-primary);
            transition: transform .25s ease, background .25s ease, color .25s ease;
        }
        .faq-item.open .faq-question .icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.85;
            border-left: 3px solid rgba(26, 90, 122, .25);
            padding-left: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-primary-dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before,
        .cta-section::after {
            content: "";
            position: absolute;
            border-radius: 50%;
            border: 2px solid rgba(228, 169, 60, .3);
        }
        .cta-section::before {
            width: 260px;
            height: 260px;
            top: -80px;
            right: -60px;
        }
        .cta-section::after {
            width: 160px;
            height: 160px;
            bottom: -50px;
            left: 40px;
            border-color: rgba(228, 169, 60, .18);
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, .75);
            line-height: 1.9;
            margin-bottom: 30px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #132A38;
            color: rgba(255, 255, 255, .75);
            padding: 56px 0 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand {
            font-family: "Noto Serif CJK SC", "Songti SC", "SimSun", serif;
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand span {
            color: var(--color-accent);
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 20px;
            max-width: 320px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .8);
            transition: background var(--transition), color var(--transition);
        }
        .footer-social a:hover {
            background: var(--color-primary);
            color: #fff;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links,
        .footer-news,
        .footer-contact {
            display: grid;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-news li {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            line-height: 1.6;
            border-bottom: 1px dashed rgba(255, 255, 255, .12);
            padding-bottom: 8px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
        }
        .footer-contact i {
            color: var(--color-accent);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .5);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .nav-links {
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 12px 30px rgba(17, 60, 80, .10);
                padding: 16px 24px;
                gap: 8px;
                display: none;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 16px;
                font-size: 16px;
            }
            .nav-link.active::after {
                left: 16px;
                right: auto;
                width: 32px;
                bottom: 8px;
            }
            .menu-toggle {
                display: flex;
            }
            .member-grid {
                grid-template-columns: 1fr;
                max-width: 520px;
                margin: 0 auto;
            }
            .benefit-grid {
                grid-template-columns: 1fr;
            }
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 767px) {
            .page-hero {
                padding: 52px 0 44px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .section {
                padding: 56px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .benefit-side {
                grid-template-columns: 1fr;
            }
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
            .footer-top {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 18px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                gap: 12px;
            }
            .stat-num {
                font-size: 32px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn {
                width: 100%;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }
        }