/* roulang page: index */
:root {
            --primary: #0b4f6c;
            --primary-dark: #073b4f;
            --accent: #f4a261;
            --accent-hover: #ed8b3f;
            --bg: #f4f7fb;
            --white: #ffffff;
            --text: #1d2a36;
            --muted: #5b6b7a;
            --border: #e1e8ef;
            --radius: 18px;
            --radius-sm: 10px;
            --shadow: 0 10px 30px rgba(11, 79, 108, .08);
            --shadow-lg: 0 18px 45px rgba(11, 79, 108, .14);
            --transition: .25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        body,
        h1,
        h2,
        h3,
        h4,
        h5,
        h6,
        p,
        figure,
        blockquote {
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            border: none;
            background: none;
            cursor: pointer;
        }

        ul,
        ol {
            list-style-position: inside;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(244, 162, 97, .55);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
        }

        .section {
            padding: 96px 0;
        }

        .section-head {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 56px;
        }

        .section-head h2 {
            font-size: 2.25rem;
            color: var(--primary-dark);
            margin-bottom: 14px;
        }

        .section-head p {
            color: var(--muted);
            font-size: 1.05rem;
        }

        .eyebrow {
            display: inline-block;
            letter-spacing: 2px;
            font-size: .85rem;
            font-weight: 700;
            color: var(--accent);
            background: rgba(244, 162, 97, .12);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .eyebrow.light {
            color: #fff;
            background: rgba(255, 255, 255, .12);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 50px;
            font-weight: 600;
            font-size: .98rem;
            transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            border: 2px solid transparent;
            line-height: 1.2;
            text-align: center;
        }

        .btn i {
            font-size: .88rem;
        }

        .btn-accent {
            background: var(--accent);
            color: #1c2b36;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(244, 162, 97, .35);
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(11, 79, 108, .3);
        }

        .btn-outline {
            border: 2px solid rgba(255, 255, 255, .75);
            background: rgba(255, 255, 255, .08);
            color: #fff;
            backdrop-filter: blur(4px);
        }

        .btn-outline:hover {
            background: #fff;
            color: var(--primary-dark);
            border-color: #fff;
        }

        .btn-large {
            padding: 16px 42px;
            font-size: 1.08rem;
        }

        .site-header {
            position: fixed;
            top: 18px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 40px);
            max-width: 1240px;
            z-index: 100;
        }

        .nav-bar {
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, .7);
            box-shadow: 0 10px 36px rgba(11, 79, 108, .12);
            border-radius: 60px;
            padding: 12px 26px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.18rem;
            color: var(--primary-dark);
            white-space: nowrap;
            letter-spacing: .3px;
        }

        .logo-dot {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: inline-block;
            position: relative;
            flex-shrink: 0;
            box-shadow: 0 6px 14px rgba(11, 79, 108, .22);
        }

        .logo-dot::after {
            content: 'H';
            position: absolute;
            inset: 0;
            display: grid;
            place-items: center;
            color: #fff;
            font-weight: 900;
            font-size: 17px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: block;
            padding: 9px 18px;
            border-radius: 40px;
            color: var(--text);
            font-weight: 500;
            font-size: .94rem;
            transition: background var(--transition), color var(--transition);
        }

        .nav-links a:hover,
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
        }

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

        .nav-cta {
            padding: 9px 20px;
            font-size: .9rem;
        }

        .menu-toggle {
            display: none;
            font-size: 1.45rem;
            color: var(--primary-dark);
            width: 42px;
            height: 42px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
        }

        .menu-toggle:hover {
            background: rgba(11, 79, 108, .08);
        }

        .hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            padding: 190px 0 130px;
            color: #fff;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 59, 79, .93), rgba(11, 79, 108, .78), rgba(244, 162, 97, .38));
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .15);
            border: 1px solid rgba(255, 255, 255, .3);
            padding: 7px 18px;
            border-radius: 30px;
            font-size: .9rem;
            margin-bottom: 26px;
            backdrop-filter: blur(6px);
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .hero-sub {
            font-size: 1.16rem;
            max-width: 680px;
            margin: 0 auto 36px;
            opacity: .95;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 60px;
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, .22);
        }

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

        .stat-item strong {
            display: block;
            font-size: 2rem;
            font-weight: 900;
            line-height: 1.2;
        }

        .stat-item span {
            font-size: .9rem;
            opacity: .85;
        }

        .cards-grid {
            row-gap: 28px;
        }

        .service-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 26px;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

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

        .card-icon {
            width: 62px;
            height: 62px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(11, 79, 108, .1), rgba(244, 162, 97, .16));
            display: grid;
            place-items: center;
            font-size: 1.55rem;
            color: var(--primary);
            margin-bottom: 18px;
        }

        .service-card h3 {
            color: var(--primary-dark);
            margin-bottom: 10px;
            font-size: 1.15rem;
        }

        .service-card p {
            color: var(--muted);
            font-size: .94rem;
        }

        .category-band {
            background: #fff;
        }

        .category-cta {
            border-radius: 28px;
            background: linear-gradient(135deg, #f7faff, #ffffff);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .category-cta .category-img-wrap {
            padding: 0;
        }

        .category-cta .category-body {
            padding: 52px;
        }

        .category-img-wrap img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
        }

        .category-body h2 {
            font-size: 2rem;
            color: var(--primary-dark);
            margin-bottom: 18px;
        }

        .category-body p {
            color: var(--muted);
            margin-bottom: 28px;
        }

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

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 920px;
            margin: 0 auto;
        }

        .news-item {
            background: #fff;
            border-radius: 16px;
            padding: 26px 32px;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
            border-left: 4px solid var(--primary);
        }

        .news-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .news-link {
            display: block;
            color: var(--text);
        }

        .news-meta {
            display: flex;
            gap: 14px;
            align-items: center;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .tag-tiny {
            display: inline-block;
            background: rgba(11, 79, 108, .1);
            color: var(--primary);
            padding: 3px 13px;
            border-radius: 20px;
            font-size: .79rem;
            font-weight: 600;
        }

        .news-item time {
            font-size: .81rem;
            color: var(--muted);
        }

        .news-item h3 {
            font-size: 1.25rem;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

        .news-item p {
            color: var(--muted);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .read-more {
            font-weight: 600;
            color: var(--primary);
            font-size: .93rem;
        }

        .read-more i {
            font-size: .8rem;
            transition: transform var(--transition);
        }

        .news-item:hover .read-more i {
            transform: translateX(4px);
        }

        .empty-state {
            background: #fff;
            border-radius: 16px;
            padding: 60px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            color: var(--muted);
        }

        .empty-state i {
            font-size: 2.6rem;
            margin-bottom: 16px;
            color: #c3cdd8;
        }

        .process {
            background: var(--primary-dark);
            color: #fff;
        }

        .process .section-head h2 {
            color: #fff;
        }

        .process .section-head p {
            color: rgba(255, 255, 255, .75);
        }

        .process-card {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 20px;
            padding: 28px 22px;
            text-align: center;
            height: 100%;
            transition: background var(--transition), transform var(--transition);
        }

        .process-card:hover {
            background: rgba(255, 255, 255, .15);
            transform: translateY(-6px);
        }

        .process-num {
            display: inline-block;
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent);
            margin-bottom: 12px;
            opacity: .95;
        }

        .process-card h3 {
            color: #fff;
            margin-bottom: 8px;
        }

        .process-card p {
            color: rgba(255, 255, 255, .7);
            font-size: .9rem;
        }

        .data-band {
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center / cover fixed;
            color: #fff;
        }

        .data-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 79, 108, .93);
        }

        .data-band .container {
            position: relative;
            z-index: 2;
        }

        .data-band h2 {
            color: #fff;
            font-size: 2.1rem;
            margin-bottom: 16px;
        }

        .data-band p {
            color: rgba(255, 255, 255, .85);
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .data-item {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 20px;
            padding: 28px;
            text-align: center;
            backdrop-filter: blur(6px);
            transition: background var(--transition);
        }

        .data-item:hover {
            background: rgba(255, 255, 255, .18);
        }

        .data-num {
            display: block;
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.2;
        }

        .data-item span:last-child {
            font-size: .9rem;
            opacity: .85;
        }

        .feature-media {
            background: #fff;
        }

        .feature-media img {
            border-radius: 24px;
            box-shadow: var(--shadow-lg);
        }

        .feature-media h2 {
            font-size: 2rem;
            color: var(--primary-dark);
            margin-bottom: 16px;
        }

        .check-list {
            list-style: none;
            margin: 22px 0 0;
            padding: 0;
        }

        .check-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            margin-bottom: 12px;
            color: var(--text);
        }

        .check-list li i {
            color: var(--accent);
            margin-top: 6px;
        }

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

        .small-container {
            max-width: 840px;
        }

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

        .faq-item {
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .faq-item.active {
            box-shadow: var(--shadow-lg);
        }

        .faq-q {
            width: 100%;
            padding: 22px 26px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 1.04rem;
            font-weight: 600;
            color: var(--primary-dark);
            text-align: left;
        }

        .faq-q i {
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-q i {
            transform: rotate(180deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 26px;
        }

        .faq-item.active .faq-a {
            max-height: 220px;
            padding: 0 26px 24px;
        }

        .faq-a p {
            color: var(--muted);
        }

        .cta-section {
            padding: 110px 0;
            background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 79, 108, .94), rgba(7, 59, 79, .9));
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            padding: 30px 20px;
        }

        .cta-inner h2 {
            font-size: 2.4rem;
            margin-bottom: 14px;
        }

        .cta-inner p {
            font-size: 1.15rem;
            margin-bottom: 32px;
            opacity: .9;
        }

        .site-footer {
            background: #0a3140;
            color: rgba(255, 255, 255, .75);
            padding-top: 72px;
        }

        .site-footer .grid-x {
            padding-bottom: 44px;
        }

        .footer-logo {
            color: #fff;
            font-size: 1.5rem;
            font-weight: 900;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-logo .logo-dot {
            width: 34px;
            height: 34px;
            border-radius: 10px;
        }

        .footer-logo .logo-dot::after {
            font-size: 15px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 1.04rem;
            margin-bottom: 18px;
        }

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

        .site-footer ul li {
            margin-bottom: 10px;
        }

        .site-footer a {
            color: rgba(255, 255, 255, .7);
        }

        .site-footer a:hover {
            color: var(--accent);
        }

        .contact-list li i {
            color: var(--accent);
            margin-right: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 20px 0;
            text-align: center;
            font-size: .85rem;
            color: rgba(255, 255, 255, .55);
        }

        @media (max-width: 1024px) {
            .section {
                padding: 76px 0;
            }

            .hero {
                padding: 170px 0 100px;
            }

            .hero h1 {
                font-size: 3rem;
            }

            .category-body h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 900px) {
            .site-header {
                top: 12px;
                width: calc(100% - 24px);
            }

            .nav-bar {
                padding: 10px 18px;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: #fff;
                border-radius: 22px;
                padding: 16px;
                box-shadow: 0 18px 45px rgba(11, 79, 108, .16);
                flex-direction: column;
                align-items: stretch;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 13px 20px;
                border-radius: 14px;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .hero {
                padding: 150px 0 90px;
            }

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

            .hero-sub {
                font-size: 1rem;
            }

            .hero-stats {
                gap: 22px;
            }

            .category-cta .category-body {
                padding: 36px;
            }

            .category-img-wrap img {
                min-height: 240px;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 18px;
            }

            .section {
                padding: 60px 0;
            }

            .section-head {
                margin-bottom: 40px;
            }

            .section-head h2 {
                font-size: 1.75rem;
            }

            .hero {
                padding: 140px 0 70px;
            }

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

            .hero-sub {
                font-size: .97rem;
            }

            .hero-stats {
                gap: 18px;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
            }

            .stat-item strong {
                font-size: 1.55rem;
            }

            .btn {
                padding: 11px 20px;
                font-size: .92rem;
            }

            .btn-large {
                padding: 14px 30px;
                font-size: 1rem;
            }

            .service-card {
                padding: 26px 20px;
            }

            .news-item {
                padding: 20px;
            }

            .category-cta .category-body {
                padding: 28px 24px;
            }

            .category-body h2 {
                font-size: 1.5rem;
            }

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

            .data-num {
                font-size: 2rem;
            }

            .process-card {
                padding: 20px 16px;
            }

            .cta-section {
                padding: 80px 0;
            }

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

            .cta-inner p {
                font-size: 1rem;
            }

            .footer-logo {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .nav-bar {
                gap: 10px;
                padding: 8px 14px;
            }

            .logo {
                font-size: .98rem;
            }

            .logo-dot {
                width: 32px;
                height: 32px;
                border-radius: 10px;
            }

            .logo-dot::after {
                font-size: 14px;
            }

            .nav-cta {
                display: none;
            }

            .hero h1 {
                font-size: 1.75rem;
            }

            .hero-stats {
                gap: 12px;
            }

            .stat-item strong {
                font-size: 1.4rem;
            }

            .stat-item span {
                font-size: .82rem;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b1a3a;
            --primary-light: #132a54;
            --primary-dark: #060f24;
            --accent: #e8953a;
            --accent-light: #f0a94f;
            --accent-dark: #d17a22;
            --bg: #f5f7fc;
            --bg-white: #ffffff;
            --bg-dark: #081226;
            --text: #17213a;
            --text-body: #3d4756;
            --text-weak: #7c8698;
            --border: #e2e6ef;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 12px rgba(11, 26, 58, 0.06);
            --shadow-md: 0 10px 32px rgba(11, 26, 58, 0.10);
            --shadow-lg: 0 18px 48px rgba(11, 26, 58, 0.14);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 通用按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 8px 24px rgba(232, 149, 58, 0.30);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(232, 149, 58, 0.38);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.65);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }
        .btn-light:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }
        .btn:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 2px;
        }

        /* ===== 标签 & 徽章 ===== */
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 149, 58, 0.12);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 14px;
        }
        .badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 30px;
            letter-spacing: 0.04em;
            box-shadow: 0 6px 18px rgba(232, 149, 58, 0.40);
            z-index: 2;
        }

        /* ===== 悬浮胶囊导航 ===== */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 22px 0;
            pointer-events: none;
        }
        .header-inner {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.40);
            border-radius: 60px;
            padding: 12px 24px;
            box-shadow: var(--shadow-sm);
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.01em;
            flex-shrink: 0;
        }
        .logo-dot {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
            box-shadow: 0 4px 14px rgba(232, 149, 58, 0.40);
            position: relative;
            flex-shrink: 0;
        }
        .logo-dot::after {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #fff;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            display: inline-block;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-body);
            border-radius: 40px;
            transition: var(--transition);
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(11, 26, 58, 0.05);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 6px 18px rgba(11, 26, 58, 0.24);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 50%;
            transition: var(--transition);
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(11, 26, 58, 0.08);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .nav-toggle:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 2px;
        }

        /* ===== Hero/Banner ===== */
        .page-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 180px 0 80px;
            color: #fff;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6, 15, 36, 0.92) 0%, rgba(11, 26, 58, 0.80) 50%, rgba(232, 149, 58, 0.35) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }
        .breadcrumb a:hover {
            color: var(--accent-light);
        }
        .breadcrumb span {
            opacity: 0.5;
        }
        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
            max-width: 780px;
        }
        .page-hero .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 680px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 48px;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: rgba(255, 255, 255, 0.10);
            border: 1px solid rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            max-width: 860px;
        }
        .stat-item {
            text-align: center;
            padding: 6px 0;
        }
        .stat-item strong {
            display: block;
            font-size: 30px;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-item span {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.80);
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }
        .section-head.align-left {
            text-align: left;
            margin: 0 0 32px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-weak);
            line-height: 1.7;
        }
        .security .section-head h2 {
            color: #fff;
        }
        .security .section-head p {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== 入口卡片 ===== */
        .entry-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: rgba(232, 149, 58, 0.35);
        }
        .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            height: 100%;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .entry-card:hover .card-img img {
            transform: scale(1.05);
        }
        .card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 26, 58, 0) 55%, rgba(11, 26, 58, 0.28) 100%);
        }
        .card-body {
            padding: 28px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            flex: 1;
        }
        .card-body h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--text);
        }
        .card-body p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-weak);
        }
        .card-body ul {
            margin-top: auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .card-body ul li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
        }
        .card-body ul li i {
            color: var(--accent);
            font-size: 14px;
            flex-shrink: 0;
        }

        /* ===== 步骤流程 ===== */
        .login-steps {
            background: var(--bg-white);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        .step-item {
            position: relative;
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .step-num {
            position: absolute;
            top: 18px;
            right: 20px;
            font-size: 42px;
            font-weight: 800;
            color: rgba(11, 26, 58, 0.06);
            line-height: 1;
            pointer-events: none;
        }
        .step-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            box-shadow: 0 10px 28px rgba(11, 26, 58, 0.26);
        }
        .step-item:nth-child(2) .step-icon {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
            box-shadow: 0 10px 28px rgba(232, 149, 58, 0.26);
        }
        .step-item:nth-child(4) .step-icon {
            background: linear-gradient(135deg, #2baa6b 0%, #46c68e 100%);
            box-shadow: 0 10px 28px rgba(43, 170, 107, 0.26);
        }
        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ===== 安全板块 ===== */
        .security {
            position: relative;
            background-size: cover;
            background-position: center;
            background-color: var(--bg-dark);
            color: #fff;
        }
        .security::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(8, 18, 38, 0.95) 0%, rgba(8, 18, 38, 0.85) 50%, rgba(8, 18, 38, 0.70) 100%);
        }
        .security .container {
            position: relative;
            z-index: 2;
        }
        .security-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .security-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 26px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: var(--transition);
            height: 100%;
        }
        .security-card:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(232, 149, 58, 0.45);
            transform: translateY(-4px);
        }
        .security-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(232, 149, 58, 0.16);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent-light);
            margin-bottom: 16px;
        }
        .security-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .security-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.7;
        }
        .security .btn {
            margin-top: 10px;
        }

        /* ===== FAQ ===== */
        .faq {
            background: var(--bg);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(232, 149, 58, 0.40);
            box-shadow: var(--shadow-sm);
        }
        .faq-toggle {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            background: transparent;
            transition: var(--transition);
        }
        .faq-toggle i {
            font-size: 14px;
            color: var(--text-weak);
            transition: transform 0.4s ease;
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-item.open .faq-toggle i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-toggle:hover {
            color: var(--accent-dark);
        }
        .faq-toggle:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: -2px;
        }
        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s ease, padding 0.45s ease;
            padding: 0 28px;
        }
        .faq-item.open .faq-content {
            max-height: 300px;
            padding: 0 28px 24px;
        }
        .faq-content p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.75;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-band {
            position: relative;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, #1d3a6e 100%);
            padding: 80px 0;
            text-align: center;
        }
        .cta-inner {
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-inner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.80);
            margin-bottom: 32px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 70px 0 0;
            font-size: 15px;
            line-height: 1.7;
        }
        .site-footer .grid-x {
            margin-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-logo .logo-dot {
            width: 30px;
            height: 30px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .site-footer ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer ul a {
            color: rgba(255, 255, 255, 0.65);
        }
        .site-footer ul a:hover {
            color: var(--accent-light);
        }
        .contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.65);
        }
        .contact-list li i {
            color: var(--accent);
            width: 18px;
            text-align: center;
            font-size: 14px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding: 24px 0;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.50);
        }

        /* ===== 响应式断点 ===== */
        @media screen and (max-width: 1024px) {
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .security-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-hero h1 {
                font-size: 36px;
            }
        }
        @media screen and (max-width: 768px) {
            .site-header {
                padding: 14px 0;
            }
            .header-inner {
                padding: 10px 16px;
                border-radius: 50px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                border-radius: 20px;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 14px;
                font-size: 16px;
                border-radius: 12px;
            }
            .nav-toggle {
                display: flex;
            }
            .header-actions .btn {
                display: none;
            }
            .page-hero {
                padding: 150px 0 60px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                padding: 20px;
            }
            .section {
                padding: 60px 0;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
        }
        @media screen and (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 8px 14px;
            }
            .logo {
                font-size: 17px;
            }
            .logo-dot {
                width: 26px;
                height: 26px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .page-hero .hero-sub {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                grid-template-columns: 1fr 1fr;
                padding: 16px;
                gap: 12px;
            }
            .stat-item strong {
                font-size: 24px;
            }
            .entry-card .card-body {
                padding: 20px;
            }
            .section {
                padding: 50px 0;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .step-item {
                padding: 28px 20px;
            }
            .faq-toggle {
                padding: 18px 20px;
                font-size: 15px;
            }
            .faq-item.open .faq-content {
                padding: 0 20px 20px;
            }
            .footer-logo {
                font-size: 17px;
            }
        }

/* roulang page: article */
:root{
    --primary:#0f2b46;
    --primary-light:#1c4270;
    --accent:#d4a64a;
    --accent-dark:#b8892e;
    --accent-light:#f4e3c1;
    --bg:#f4f6f9;
    --card-bg:#ffffff;
    --text:#1d2b3a;
    --text-muted:#64748b;
    --border:#e2e8f0;
    --radius:18px;
    --radius-sm:10px;
    --shadow:0 6px 30px rgba(15,43,70,0.08);
    --shadow-lg:0 20px 50px rgba(15,43,70,0.13);
    --transition:all .3s cubic-bezier(.25,.8,.35,1);
    --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--font-body);
    background:var(--bg);
    color:var(--text);
    line-height:1.75;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
button{font-family:inherit;cursor:pointer}
.container{
    max-width:1220px;
    margin:0 auto;
    padding:0 28px;
    width:100%;
}
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    padding:13px 32px;
    border-radius:60px;
    font-weight:500;
    font-size:15px;
    border:none;
    line-height:1.4;
    transition:var(--transition);
    text-decoration:none;
    white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{
    background:var(--primary);
    color:#fff;
}
.btn-primary:hover{
    background:var(--primary-light);
    transform:translateY(-2px);
    box-shadow:0 10px 28px rgba(15,43,70,.28);
}
.btn-accent{
    background:var(--accent);
    color:#1d2b3a;
    font-weight:600;
}
.btn-accent:hover{
    background:var(--accent-light);
    transform:translateY(-2px);
    box-shadow:0 10px 32px rgba(212,166,74,.35);
}
.btn-outline{
    background:transparent;
    border:2px solid var(--primary);
    color:var(--primary);
}
.btn-outline:hover{
    background:var(--primary);
    color:#fff;
    transform:translateY(-2px);
}
.btn-outline-light{
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.55);
    color:#fff;
    backdrop-filter:blur(6px);
}
.btn-outline-light:hover{
    background:rgba(255,255,255,.22);
    border-color:#fff;
    transform:translateY(-2px);
}
.btn-block{width:100%}
.badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    background:rgba(15,43,70,.08);
    color:var(--primary);
    font-size:12px;
    font-weight:500;
    padding:5px 16px;
    border-radius:30px;
    letter-spacing:.5px;
    transition:var(--transition);
}
.badge-accent{
    background:var(--accent);
    color:#fff;
}
.tag{
    display:inline-block;
    background:#f1f5f9;
    border:1px solid var(--border);
    color:var(--primary);
    font-size:13px;
    padding:5px 16px;
    border-radius:30px;
    transition:var(--transition);
    font-weight:500;
}
.tag:hover{
    background:var(--primary);
    color:#fff;
    border-color:var(--primary);
}
.section-header{margin-bottom:40px}
.section-eyebrow{
    display:inline-block;
    font-size:13px;
    font-weight:700;
    letter-spacing:3px;
    color:var(--accent-dark);
    text-transform:uppercase;
    margin-bottom:10px;
}
.section-header h2{
    font-size:32px;
    font-weight:800;
    color:var(--primary);
    line-height:1.3;
}
.section-header p{
    color:var(--text-muted);
    font-size:16px;
    margin-top:8px;
    max-width:620px;
}

/* Header 悬浮胶囊导航 */
.site-header{
    position:fixed;
    top:0;
    left:0;
    right:0;
    z-index:1000;
    padding:16px 20px;
    background:transparent;
    transition:var(--transition);
}
.site-header.scrolled{
    background:rgba(244,246,249,.7);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
}
.site-header .container{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border:1px solid rgba(255,255,255,.75);
    border-radius:60px;
    box-shadow:0 8px 36px rgba(15,43,70,.10);
    padding:10px 22px 10px 26px;
    max-width:1160px;
    transition:var(--transition);
}
.logo{
    display:inline-flex;
    align-items:center;
    gap:12px;
    font-size:20px;
    font-weight:800;
    color:var(--primary);
    letter-spacing:.5px;
    white-space:nowrap;
}
.logo-dot{
    width:12px;
    height:12px;
    background:var(--accent);
    border-radius:50%;
    box-shadow:0 0 0 4px rgba(212,166,74,.25);
    flex-shrink:0;
}
.logo-text{
    background:linear-gradient(135deg,var(--primary) 20%,var(--primary-light));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
}
.nav-links{
    display:flex;
    align-items:center;
    gap:6px;
}
.nav-links a{
    display:inline-flex;
    align-items:center;
    padding:9px 20px;
    border-radius:40px;
    font-size:14px;
    font-weight:500;
    color:var(--text);
    transition:var(--transition);
    letter-spacing:.3px;
}
.nav-links a:hover{
    background:rgba(15,43,70,.05);
    color:var(--primary);
}
.nav-links a.active{
    background:var(--primary);
    color:#fff;
    box-shadow:0 4px 18px rgba(15,43,70,.25);
}
.nav-cta{
    display:inline-flex;
    align-items:center;
    gap:6px;
    background:var(--accent);
    color:#1d2b3a;
    font-size:14px;
    font-weight:600;
    padding:10px 24px;
    border-radius:40px;
    border:none;
    transition:var(--transition);
    white-space:nowrap;
}
.nav-cta:hover{
    background:var(--accent-light);
    transform:translateY(-2px);
    box-shadow:0 8px 24px rgba(212,166,74,.35);
}
.nav-toggle{
    display:none;
    flex-direction:column;
    gap:5px;
    background:none;
    border:none;
    padding:10px;
    border-radius:12px;
    z-index:1101;
}
.nav-toggle span{
    display:block;
    width:22px;
    height:2px;
    background:var(--primary);
    border-radius:2px;
    transition:var(--transition);
}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.article-hero{
    position:relative;
    background-size:cover;
    background-position:center;
    background-color:var(--primary);
    padding:190px 0 90px;
    color:#fff;
}
.article-hero::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(115deg,rgba(15,43,70,.72) 0%,rgba(15,43,70,.82) 100%);
}
.article-hero .container{
    position:relative;
    z-index:2;
}
.breadcrumb{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:10px;
    font-size:14px;
    margin-bottom:28px;
    color:rgba(255,255,255,.8);
}
.breadcrumb a{
    color:rgba(255,255,255,.75);
    transition:var(--transition);
}
.breadcrumb a:hover{
    color:var(--accent-light);
}
.breadcrumb .sep{
    color:rgba(255,255,255,.45);
    font-size:11px;
}
.breadcrumb .current{
    color:var(--accent-light);
    font-weight:500;
}
.article-hero h1{
    font-size:42px;
    font-weight:900;
    line-height:1.3;
    max-width:880px;
    margin-bottom:22px;
    letter-spacing:.5px;
    text-shadow:0 2px 20px rgba(0,0,0,.2);
}
.article-meta{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:18px;
}
.meta-item{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    color:rgba(255,255,255,.85);
}
.meta-item i{
    color:var(--accent-light);
}

/* 文章主体 */
.article-main-section{
    padding:60px 0 30px;
    background:var(--bg);
}
.article-card{
    background:var(--card-bg);
    border-radius:var(--radius);
    padding:38px;
    border:1px solid rgba(226,232,240,.65);
    box-shadow:var(--shadow);
    margin-bottom:30px;
}
.article-content{
    font-size:16px;
    line-height:1.95;
    color:#2a3648;
    word-break:break-word;
}
.article-content p{
    margin-bottom:1.5em;
}
.article-content h2{
    font-size:26px;
    font-weight:800;
    color:var(--primary);
    margin:1.7em 0 .7em;
    padding-bottom:.45em;
    border-bottom:2px solid var(--border);
}
.article-content h3{
    font-size:20px;
    font-weight:700;
    color:var(--primary);
    margin:1.5em 0 .6em;
}
.article-content h4{
    font-size:17px;
    font-weight:700;
    color:var(--primary);
    margin:1.3em 0 .5em;
}
.article-content ul,
.article-content ol{
    margin:1em 0 1.6em 1.3em;
}
.article-content ul li{
    list-style:disc;
    margin-bottom:.45em;
}
.article-content ol li{
    list-style:decimal;
    margin-bottom:.45em;
}
.article-content img{
    max-width:100%;
    border-radius:14px;
    margin:1.6em 0;
    box-shadow:var(--shadow);
}
.article-content a{
    color:var(--accent-dark);
    text-decoration:underline;
    text-underline-offset:3px;
}
.article-content a:hover{
    color:var(--primary);
}
.article-content blockquote{
    border-left:4px solid var(--accent);
    background:linear-gradient(135deg,#faf7f2,#f7f4ee);
    padding:18px 24px;
    border-radius:0 14px 14px 0;
    margin:1.6em 0;
    color:#5a5142;
    font-style:normal;
}
.article-content blockquote p:last-child{
    margin-bottom:0;
}
.article-content table{
    width:100%;
    border-collapse:collapse;
    margin:1.6em 0;
    font-size:15px;
}
.article-content table th,
.article-content table td{
    border:1px solid var(--border);
    padding:12px 14px;
    text-align:left;
}
.article-content table th{
    background:rgba(15,43,70,.05);
    font-weight:600;
}
.article-keywords{
    margin-top:32px;
    padding-top:22px;
    border-top:1px solid var(--border);
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:10px;
}
.article-keywords .kw-label{
    font-size:14px;
    color:var(--text-muted);
    font-weight:500;
}
.article-missing{
    text-align:center;
    padding:60px 20px;
}
.article-missing .missing-icon{
    width:90px;
    height:90px;
    margin:0 auto 24px;
    background:linear-gradient(135deg,rgba(15,43,70,.06),rgba(212,166,74,.12));
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:38px;
    color:var(--accent);
}
.article-missing h2{
    font-size:28px;
    font-weight:800;
    color:var(--primary);
    margin-bottom:12px;
}
.article-missing p{
    color:var(--text-muted);
    margin-bottom:28px;
    max-width:420px;
    margin-left:auto;
    margin-right:auto;
}

/* 侧边栏 */
.article-sidebar{
    margin-bottom:30px;
}
.side-card{
    background:var(--card-bg);
    border-radius:var(--radius);
    padding:28px;
    box-shadow:var(--shadow);
    margin-bottom:26px;
    border:1px solid rgba(226,232,240,.6);
    transition:var(--transition);
}
.side-card:hover{
    box-shadow:var(--shadow-lg);
}
.side-card h3{
    font-size:17px;
    font-weight:700;
    color:var(--primary);
    margin-bottom:18px;
    padding-bottom:14px;
    border-bottom:2px solid var(--border);
    display:flex;
    align-items:center;
    gap:10px;
}
.side-card h3 i{
    color:var(--accent-dark);
    font-size:15px;
}
.side-cate-list li{
    margin-bottom:10px;
}
.side-cate-list li a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:10px 16px;
    border-radius:12px;
    background:#f8fafc;
    border:1px solid transparent;
    font-size:14px;
    color:var(--text);
    transition:var(--transition);
}
.side-cate-list li a i{
    font-size:11px;
    color:var(--text-muted);
}
.side-cate-list li a:hover{
    background:var(--primary);
    color:#fff;
    border-color:var(--primary);
    transform:translateX(3px);
}
.side-cate-list li a:hover i{
    color:var(--accent-light);
}
.side-latest-list li{
    border-bottom:1px solid #f1f5f9;
    margin-bottom:14px;
    padding-bottom:14px;
}
.side-latest-list li:last-child{
    border-bottom:none;
    margin-bottom:0;
    padding-bottom:0;
}
.side-latest-list a{
    display:block;
    transition:var(--transition);
}
.side-latest-list .side-title{
    display:block;
    font-size:14px;
    font-weight:500;
    line-height:1.55;
    margin-bottom:6px;
    color:var(--text);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.side-latest-list a:hover .side-title{
    color:var(--accent-dark);
}
.side-latest-list .side-date{
    display:inline-flex;
    align-items:center;
    gap:5px;
    font-size:12px;
    color:var(--text-muted);
}
.side-latest-list .side-date i{
    font-size:11px;
}
.side-contact p{
    font-size:14px;
    color:var(--text-muted);
    margin-bottom:18px;
    line-height:1.7;
}
.side-contact .btn{
    font-size:14px;
    padding:11px 20px;
}

/* 相关推荐 */
.related-section{
    padding:80px 0 60px;
    background:var(--card-bg);
}
.related-section .section-header{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:16px;
}
.related-card{
    display:flex;
    flex-direction:column;
    background:var(--card-bg);
    border-radius:var(--radius);
    overflow:hidden;
    box-shadow:var(--shadow);
    border:1px solid rgba(226,232,240,.6);
    transition:var(--transition);
    height:100%;
}
.related-card:hover{
    transform:translateY(-8px);
    box-shadow:var(--shadow-lg);
    border-color:rgba(15,43,70,.15);
}
.related-thumb{
    height:200px;
    overflow:hidden;
    position:relative;
    background:var(--primary);
}
.related-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .6s ease;
}
.related-card:hover .related-thumb img{
    transform:scale(1.06);
}
.related-thumb::after{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,transparent 55%,rgba(15,43,70,.25));
    opacity:0;
    transition:var(--transition);
}
.related-card:hover .related-thumb::after{
    opacity:1;
}
.related-body{
    padding:26px 24px 24px;
    display:flex;
    flex-direction:column;
    flex:1;
}
.related-body h3{
    font-size:17px;
    font-weight:600;
    line-height:1.55;
    margin-bottom:10px;
    color:var(--text);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    transition:var(--transition);
}
.related-card:hover .related-body h3{
    color:var(--primary);
}
.related-body p{
    font-size:14px;
    color:var(--text-muted);
    margin-bottom:18px;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    line-height:1.7;
}
.related-meta{
    margin-top:auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:8px;
}
.related-meta time{
    font-size:12px;
    color:var(--text-muted);
    display:inline-flex;
    align-items:center;
    gap:5px;
}

/* FAQ */
.faq-section{
    padding:80px 0;
    background:var(--bg);
}
.faq-item{
    background:var(--card-bg);
    border-radius:var(--radius);
    padding:28px 30px;
    border:1px solid rgba(226,232,240,.6);
    box-shadow:var(--shadow);
    margin-bottom:24px;
    transition:var(--transition);
    height:calc(100% - 24px);
}
.faq-item:hover{
    box-shadow:var(--shadow-lg);
    transform:translateY(-4px);
}
.faq-item h3{
    font-size:16px;
    font-weight:700;
    color:var(--primary);
    margin-bottom:12px;
    display:flex;
    align-items:center;
    gap:12px;
}
.faq-item h3::before{
    content:'Q';
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:28px;
    height:28px;
    background:var(--accent);
    color:#fff;
    font-size:13px;
    font-weight:800;
    border-radius:10px;
    flex-shrink:0;
}
.faq-item p{
    color:var(--text-muted);
    font-size:15px;
    line-height:1.75;
    margin:0;
    padding-left:40px;
}

/* CTA */
.cta-band{
    padding:90px 0;
    background:var(--primary);
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;
    background-position:center;
    position:relative;
    color:#fff;
}
.cta-band::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(120deg,rgba(15,43,70,.94),rgba(15,43,70,.78));
}
.cta-inner{
    position:relative;
    z-index:2;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:36px;
    flex-wrap:wrap;
}
.cta-content h2{
    font-size:32px;
    font-weight:800;
    margin-bottom:10px;
    line-height:1.3;
}
.cta-content p{
    color:rgba(255,255,255,.8);
    font-size:16px;
    max-width:560px;
}
.cta-actions{
    display:flex;
    align-items:center;
    gap:14px;
    flex-wrap:wrap;
}

/* 页脚 */
.site-footer{
    background:#0b1c2e;
    color:#9fb0c3;
    padding:64px 0 0;
    font-size:14px;
}
.site-footer .footer-logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:22px;
    font-weight:800;
    color:#fff;
    margin-bottom:14px;
    letter-spacing:.5px;
}
.site-footer .footer-logo .logo-dot{
    width:10px;
    height:10px;
    background:var(--accent);
    border-radius:50%;
    box-shadow:0 0 0 3px rgba(212,166,74,.2);
}
.site-footer p{
    line-height:1.7;
    margin-bottom:16px;
    max-width:520px;
}
.site-footer h4{
    color:#fff;
    font-size:16px;
    font-weight:600;
    margin-bottom:18px;
    letter-spacing:.8px;
}
.site-footer ul li{
    margin-bottom:12px;
}
.site-footer ul li a{
    color:#9fb0c3;
    transition:var(--transition);
    display:inline-flex;
    align-items:center;
    gap:6px;
}
.site-footer ul li a:hover{
    color:var(--accent-light);
    padding-left:3px;
}
.contact-list li{
    display:flex;
    align-items:center;
    gap:10px;
    color:#9fb0c3;
}
.contact-list li i{
    width:18px;
    color:var(--accent);
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);
    padding:22px 0;
    margin-top:48px;
    text-align:center;
    font-size:13px;
    color:rgba(255,255,255,.5);
}

/* 响应式 */
@media (max-width:1024px){
    .article-hero h1{font-size:34px;}
    .section-header h2{font-size:28px;}
    .cta-content h2{font-size:28px;}
    .nav-cta{display:none;}
}
@media (max-width:768px){
    .site-header{
        padding:10px 12px;
    }
    .site-header .container{
        padding:9px 14px;
        border-radius:50px;
    }
    .logo{
        font-size:18px;
    }
    .nav-links{
        position:fixed;
        top:76px;
        left:14px;
        right:14px;
        background:rgba(255,255,255,.98);
        backdrop-filter:blur(16px);
        border-radius:22px;
        box-shadow:var(--shadow-lg);
        flex-direction:column;
        padding:18px;
        gap:6px;
        display:none;
        border:1px solid rgba(255,255,255,.8);
    }
    .nav-links.show{
        display:flex;
        animation:menuIn .3s ease;
    }
    @keyframes menuIn{
        from{opacity:0;transform:translateY(-10px)}
        to{opacity:1;transform:translateY(0)}
    }
    .nav-links a{
        padding:13px 20px;
        width:100%;
        justify-content:center;
        font-size:15px;
    }
    .nav-toggle{
        display:flex;
    }
    .article-hero{
        padding:135px 0 60px;
    }
    .article-hero h1{
        font-size:28px;
    }
    .article-main-section{
        padding:40px 0 20px;
    }
    .article-card{
        padding:24px;
    }
    .article-content{
        font-size:15px;
    }
    .article-content h2{
        font-size:22px;
    }
    .related-section{
        padding:60px 0 40px;
    }
    .faq-section{
        padding:60px 0;
    }
    .cta-band{
        padding:60px 0;
    }
    .cta-inner{
        flex-direction:column;
        text-align:center;
        gap:24px;
    }
    .cta-content p{
        margin-left:auto;
        margin-right:auto;
    }
    .cta-actions{
        justify-content:center;
    }
    .footer-bottom{
        padding:18px 12px;
    }
    .faq-item p{
        padding-left:0;
    }
    .faq-item h3{
        align-items:flex-start;
    }
}
@media (max-width:520px){
    .container{
        padding:0 18px;
    }
    .article-hero h1{
        font-size:24px;
    }
    .breadcrumb{
        font-size:13px;
        gap:7px;
    }
    .article-meta{
        gap:12px;
    }
    .article-card{
        padding:18px;
        border-radius:14px;
    }
    .section-header h2{
        font-size:24px;
    }
    .related-thumb{
        height:170px;
    }
    .cta-actions .btn{
        width:100%;
    }
    .article-keywords{
        gap:8px;
    }
    .footer-links .cell{
        margin-bottom:30px;
    }
}