:root {
            --brand-500: #1e5b94;
            --brand-600: #184d7d;
            --brand-700: #123e66;
            --accent-400: #c8a14b;
            --accent-500: #a8823a;
            --soft-bg: #f6f9fc;
            --border-color: #e5eaf0;
            --text-main: #1a2a3a;
            --text-muted: #5a6b7d;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(22, 48, 73, 0.08);
            --shadow-hover: 0 12px 36px rgba(22, 48, 73, 0.14);
            --header-h: 72px;
            --transition: all .25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            background-color: #fff;
            color: var(--text-main);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        input {
            font-family: inherit;
        }

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

        .section-pad {
            padding-top: 80px;
            padding-bottom: 80px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin: 0 0 12px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 0 40px;
            line-height: 1.8;
        }

        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--brand-500);
            color: #fff;
            padding: 14px 30px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            box-shadow: 0 6px 20px rgba(30, 91, 148, 0.25);
            transition: var(--transition);
            border: 2px solid transparent;
        }

        .btn-main:hover {
            background-color: var(--brand-600);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(30, 91, 148, 0.35);
        }

        .btn-main:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(30, 91, 148, 0.2);
        }

        .btn-main:focus-visible {
            outline: 3px solid rgba(30, 91, 148, 0.4);
            outline-offset: 2px;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--accent-400);
            color: #fff;
            padding: 14px 30px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            box-shadow: 0 6px 20px rgba(200, 161, 75, 0.3);
            transition: var(--transition);
            border: 2px solid transparent;
        }

        .btn-accent:hover {
            background-color: var(--accent-500);
            transform: translateY(-2px);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: var(--brand-500);
            padding: 14px 30px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            border: 2px solid var(--brand-500);
            transition: var(--transition);
        }

        .btn-ghost:hover {
            background-color: rgba(30, 91, 148, 0.08);
            transform: translateY(-2px);
        }

        .btn-ghost:active {
            transform: translateY(0);
        }

        .btn-ghost:focus-visible {
            outline: 3px solid rgba(30, 91, 148, 0.4);
            outline-offset: 2px;
        }

        .card-hover {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 30px;
            background: var(--brand-50, #eff6fc);
            color: var(--brand-500);
            letter-spacing: 0.02em;
        }

        .badge-warm {
            background: var(--accent-50, #fbf7ee);
            color: var(--accent-500);
        }

        .text-shadow-hero {
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 32, 54, 0.72) 0%, rgba(8, 32, 54, 0.55) 50%, rgba(8, 32, 54, 0.78) 100%);
        }

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

        .countdown-box {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 40px;
        }

        .countdown-num {
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            background: rgba(255, 255, 255, 0.16);
            border-radius: 12px;
            padding: 4px 12px;
            min-width: 48px;
            text-align: center;
            display: inline-block;
        }

        .nav-link {
            position: relative;
            font-size: 0.97rem;
            font-weight: 500;
            padding: 8px 4px;
            color: var(--text-main);
            transition: var(--transition);
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background-color: var(--brand-500);
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--brand-500);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--brand-500);
            font-weight: 600;
        }

        .header-wrap {
            height: var(--header-h);
            border-bottom: 1px solid rgba(229, 234, 240, 0.8);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            transition: var(--transition);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--header-h);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
            padding: 16px 20px;
            z-index: 60;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 0;
            border-bottom: 1px solid #f1f4f8;
            font-weight: 500;
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .section-fade-in {
            animation: fadeInUp 0.8s ease both;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .news-main-card {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
        }

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

        .news-main-card img {
            height: 260px;
            object-fit: cover;
            width: 100%;
        }

        .news-side-card {
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            gap: 14px;
            align-items: center;
            padding: 12px;
            background: #fff;
        }

        .news-side-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }

        .news-side-card img {
            width: 88px;
            height: 88px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            background: #fff;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: #cfd8e3;
            box-shadow: 0 4px 16px rgba(22, 48, 73, 0.06);
        }

        .faq-item summary {
            cursor: pointer;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.98rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            list-style: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary i {
            transition: transform 0.3s;
            color: var(--brand-500);
        }

        .faq-item[open] summary i {
            transform: rotate(180deg);
        }

        .faq-item .faq-body {
            padding: 0 22px 18px;
            color: var(--text-muted);
            font-size: 0.93rem;
            line-height: 1.8;
        }

        .feature-card {
            border-radius: var(--radius);
            padding: 36px 28px;
            background: #fff;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }

        .feature-icon {
            width: 72px;
            height: 72px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
        }

        .insight-list-item {
            display: flex;
            align-items: baseline;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid #eef1f5;
            transition: var(--transition);
        }

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

        .insight-list-item .num {
            font-weight: 700;
            color: var(--accent-400);
            font-size: 1.1rem;
            flex-shrink: 0;
            width: 30px;
        }

        .insight-list-item a {
            font-size: 0.98rem;
            font-weight: 500;
            color: var(--text-main);
            line-height: 1.5;
        }

        .insight-list-item a:hover {
            color: var(--brand-500);
        }

        .insight-list-item .date-tag {
            margin-left: auto;
            font-size: 0.78rem;
            color: #9aa7b5;
            white-space: nowrap;
        }

        .safety-section {
            background: linear-gradient(135deg, #0d2f4e 0%, #123e66 50%, #0d2f4e 100%);
            color: #fff;
        }

        .safety-card {
            border-radius: var(--radius);
            padding: 32px 24px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }

        .safety-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-4px);
        }

        .review-card {
            border-radius: var(--radius);
            padding: 28px 26px;
            background: #fff;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .review-stars {
            color: var(--accent-400);
            font-size: 0.9rem;
            letter-spacing: 2px;
        }

        .stat-item {
            text-align: center;
            padding: 12px;
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--brand-500);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.86rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

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

        .phone-frame {
            width: 220px;
            height: 440px;
            border-radius: 32px;
            border: 8px solid #1a2a3a;
            background: linear-gradient(160deg, #e8f1f8 0%, #fff 60%);
            box-shadow: 0 20px 60px rgba(22, 48, 73, 0.18);
            position: relative;
            overflow: hidden;
        }

        .phone-frame::before {
            content: "";
            position: absolute;
            top: 10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 5px;
            border-radius: 10px;
            background: #1a2a3a;
        }

        .sticky-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-color);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 14px 24px;
        }

        .sticky-cta .cta-text {
            font-size: 0.92rem;
            font-weight: 600;
        }

        .sticky-cta .btn-main {
            padding: 10px 24px;
            font-size: 0.92rem;
            white-space: nowrap;
        }

        .footer-link {
            font-size: 0.9rem;
            color: #a8b8c9;
            transition: var(--transition);
        }

        .footer-link:hover {
            color: #fff;
        }

        .divider {
            border-color: rgba(255, 255, 255, 0.12);
        }

        @media (max-width: 1024px) {
            .section-title {
                font-size: 1.7rem;
            }
            .section-pad {
                padding-top: 60px;
                padding-bottom: 60px;
            }
            .countdown-num {
                font-size: 1.1rem;
                min-width: 40px;
                padding: 3px 8px;
            }
        }

        @media (max-width: 768px) {
            .container-x {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
            .desktop-nav {
                display: none !important;
            }
            .mobile-toggle {
                display: flex !important;
            }
            .sticky-cta {
                flex-wrap: wrap;
                padding: 12px 16px;
            }
            .sticky-cta .cta-text {
                width: 100%;
                text-align: center;
            }
            .sticky-cta .btn-main {
                width: 100%;
            }
            .news-main-card img {
                height: 200px;
            }
            .news-side-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-side-card img {
                width: 100%;
                height: 140px;
                border-radius: 8px;
            }
            .phone-frame {
                width: 180px;
                height: 360px;
            }
            .stat-num {
                font-size: 1.7rem;
            }
            .countdown-box {
                flex-wrap: wrap;
                justify-content: center;
                padding: 16px 12px;
            }
            .countdown-box .countdown-label {
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .header-wrap .header-logo {
                font-size: 1rem;
            }
            .hero-title {
                font-size: 1.5rem !important;
            }
            .hero-subtitle {
                font-size: 0.92rem !important;
            }
            .btn-main,
            .btn-accent,
            .btn-ghost {
                padding: 12px 20px;
                font-size: 0.92rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .container-x {
                padding-left: 14px;
                padding-right: 14px;
            }
            .countdown-num {
                font-size: 1rem;
                min-width: 36px;
                padding: 2px 6px;
            }
            .insight-list-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .insight-list-item .date-tag {
                display: none;
            }
        }

        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--text-main);
        }

        .mobile-toggle:hover {
            background: rgba(30, 91, 148, 0.06);
        }

        .hero-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 18px;
            border-radius: 30px;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.9);
        }

        .hero-breadcrumb a:hover {
            color: #fff;
        }

        .hero-breadcrumb i {
            font-size: 0.65rem;
            opacity: 0.7;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            background: linear-gradient(135deg, rgba(200, 161, 75, 0.25), rgba(200, 161, 75, 0.15));
            border: 1px solid rgba(200, 161, 75, 0.45);
            color: #f5ecd8;
        }

        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: #fff;
            text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
        }

        .hero-subtitle {
            font-size: 1.08rem;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.9);
            max-width: 700px;
            text-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
        }

        .countdown-label {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.92rem;
            font-weight: 500;
        }

        .footer-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
        }

        .news-card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(8, 32, 54, 0.85), transparent);
            padding: 40px 24px 20px;
            color: #fff;
        }

        .news-card-overlay h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .news-card-overlay p {
            font-size: 0.85rem;
            opacity: 0.85;
            margin: 0;
        }

        .news-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            background: var(--accent-400);
            color: #fff;
            padding: 3px 12px;
            border-radius: 20px;
            margin-bottom: 8px;
        }

        .section-head {
            display: flex;
            flex-direction: column;
            gap: 6px;
            max-width: 640px;
        }

        .section-head-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-head-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

:root {
            --brand-600: #0370bd;
            --brand-900: #0d3f68;
            --accent-400: #f5b95e;
            --accent-500: #e8943a;
            --text-main: #1e293b;
            --text-weak: #64748b;
            --border-soft: #e2e8f0;
            --bg-soft: #f8fafc;
            --radius-lg: 16px;
            --radius-md: 10px;
            --shadow-card: 0 4px 20px rgba(13, 63, 104, 0.08);
            --shadow-hover: 0 12px 32px rgba(13, 63, 104, 0.14);
            --transition-base: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background: #ffffff;
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container-x {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ==== Header / Nav ==== */
        .header-wrap {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            height: 70px;
            transition: box-shadow 0.3s ease;
        }

        .header-wrap.scrolled {
            box-shadow: 0 2px 16px rgba(13, 63, 104, 0.08);
        }

        .header-logo {
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .header-logo i {
            filter: drop-shadow(0 2px 4px rgba(245, 185, 94, 0.4));
        }

        .desktop-nav .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: #475569;
            padding: 8px 4px;
            transition: color 0.2s ease;
        }

        .desktop-nav .nav-link:hover {
            color: var(--brand-600);
        }

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

        .desktop-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--accent-400);
            border-radius: 2px;
        }

        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 12px 24px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: #ffffff;
            background: linear-gradient(135deg, var(--brand-600) 0%, #0a8fd4 100%);
            box-shadow: 0 4px 14px rgba(3, 112, 189, 0.3);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .btn-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(3, 112, 189, 0.35);
        }

        .btn-main:focus-visible {
            outline: 3px solid rgba(245, 185, 94, 0.5);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-600);
            border: 1.5px solid rgba(3, 112, 189, 0.35);
            background: #fff;
            transition: all 0.25s ease;
        }

        .btn-outline:hover {
            border-color: var(--brand-600);
            background: #f0f7ff;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: #1e293b;
            background: linear-gradient(135deg, #fcd9a8 0%, #f5b95e 100%);
            box-shadow: 0 4px 14px rgba(245, 185, 94, 0.3);
            transition: all 0.25s ease;
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 185, 94, 0.4);
        }

        .mobile-toggle {
            display: none;
            font-size: 22px;
            color: var(--brand-900);
            padding: 6px;
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: 70px;
            left: 0;
            right: 0;
            background: #ffffff;
            border-bottom: 1px solid var(--border-soft);
            padding: 16px 24px 20px;
            box-shadow: 0 12px 24px rgba(13, 63, 104, 0.06);
            z-index: 40;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 8px;
            font-size: 15px;
            font-weight: 500;
            border-bottom: 1px solid #f1f5f9;
            color: #475569;
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a:hover {
            color: var(--brand-600);
            background: #f8fafc;
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-toggle {
                display: inline-flex;
            }
            .header-wrap .btn-main {
                display: none;
            }
        }

        /* ==== Footer ==== */
        .footer-link {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .footer-link:hover {
            color: #ffffff;
        }

        /* ==== 页面通用 ==== */
        .section-padding {
            padding: 88px 0;
        }

        .section-title {
            font-size: clamp(26px, 4vw, 38px);
            font-weight: 700;
            color: var(--brand-900);
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(3, 112, 189, 0.08);
            color: var(--brand-600);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .card-base {
            background: #ffffff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .card-base:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        /* ==== Hero 白皮书 ==== */
        .hero-guide {
            position: relative;
            background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 60%);
            overflow: hidden;
        }

        .hero-guide::before {
            content: "";
            position: absolute;
            top: -200px;
            right: -120px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(3, 112, 189, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero-guide::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: 30%;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(245, 185, 94, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .guide-cover {
            border-radius: 18px;
            background: linear-gradient(145deg, #0d3f68 0%, #084b7d 100%);
            padding: 36px 32px;
            color: #fff;
            box-shadow: 0 20px 48px rgba(13, 63, 104, 0.3);
            position: relative;
            overflow: hidden;
        }

        .guide-cover::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 140px;
            height: 140px;
            background: url('/assets/images/backpic/back-1.jpg') no-repeat center / cover;
            opacity: 0.2;
            border-radius: 0 0 0 18px;
        }

        .guide-cover h3 {
            font-size: 22px;
            font-weight: 700;
            position: relative;
            z-index: 1;
        }

        .guide-cover .cover-sub {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            position: relative;
            z-index: 1;
        }

        .guide-cover .divider-line {
            width: 56px;
            height: 3px;
            background: var(--accent-400);
            border-radius: 2px;
            margin: 18px 0;
        }

        .guide-cover ul {
            position: relative;
            z-index: 1;
            list-style: none;
        }

        .guide-cover ul li {
            padding-left: 22px;
            position: relative;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 10px;
        }

        .guide-cover ul li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 1px;
            font-size: 12px;
            color: var(--accent-400);
        }

        .lead-form {
            background: #fff;
            border-radius: 16px;
            border: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: 0 8px 24px rgba(13, 63, 104, 0.08);
            padding: 24px;
        }

        .lead-form input {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border-soft);
            border-radius: 10px;
            font-size: 14px;
            transition: border-color 0.2s, box-shadow 0.2s;
            background: #f8fafc;
        }

        .lead-form input:focus {
            outline: none;
            border-color: var(--brand-600);
            box-shadow: 0 0 0 3px rgba(3, 112, 189, 0.12);
            background: #fff;
        }

        /* ==== 特色点 ==== */
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }

        /* ==== 场景卡片 ==== */
        .scene-card {
            border-radius: 16px;
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .scene-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .scene-card .img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .scene-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .scene-card:hover .img-wrap img {
            transform: scale(1.05);
        }

        .scene-card .tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(13, 63, 104, 0.82);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        /* ==== 礼仪区块 ==== */
        .etiquette-wrap {
            background: #f8fafc;
            border-radius: 20px;
            padding: 40px;
        }

        .etiquette-item {
            display: flex;
            gap: 14px;
            margin-bottom: 20px;
        }

        .etiquette-item .num {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--accent-100);
            color: var(--accent-600);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
        }

        /* ==== 社会认同 ==== */
        .stat-block {
            background: linear-gradient(135deg, #0d3f68 0%, #084b7d 100%);
            border-radius: 20px;
            padding: 56px;
            color: #fff;
        }

        .stat-number {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.1;
            color: #fff;
        }

        .stat-number sup {
            font-size: 20px;
            color: var(--accent-400);
        }

        .testimonial-card {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 14px;
            padding: 24px;
            box-shadow: 0 4px 14px rgba(13, 63, 104, 0.06);
            transition: all 0.25s ease;
        }

        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(13, 63, 104, 0.12);
        }

        .testimonial-card .stars {
            color: #f5b95e;
            font-size: 13px;
            margin-bottom: 12px;
        }

        .testimonial-card p {
            font-size: 14px;
            color: #475569;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .testimonial-card .author {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-900);
        }

        /* ==== FAQ ==== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.2s;
        }

        .faq-item:hover {
            border-color: rgba(3, 112, 189, 0.3);
        }

        .faq-item summary {
            padding: 18px 20px;
            font-weight: 600;
            font-size: 15px;
            color: var(--brand-900);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 14px;
            color: var(--brand-600);
            transition: transform 0.2s ease;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
        }

        /* ==== CTA ==== */
        .cta-section {
            background: linear-gradient(135deg, #0d3f68 0%, #045a98 100%);
            border-radius: 24px;
            padding: 60px 48px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(245, 185, 94, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

        /* ==== 底部固定转化条 ==== */
        .sticky-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-soft);
            box-shadow: 0 -4px 20px rgba(13, 63, 104, 0.08);
            padding: 12px 0;
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }

        .sticky-cta.show {
            transform: translateY(0);
        }

        /* ==== 面包屑 ==== */
        .breadcrumb-wrap {
            background: #f8fafc;
            border-bottom: 1px solid #eef2f6;
            padding: 12px 0;
            font-size: 13px;
        }

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

        .breadcrumb-wrap a:hover {
            color: var(--brand-600);
        }

        .breadcrumb-wrap .separator {
            margin: 0 10px;
            color: #cbd5e1;
        }

        .breadcrumb-wrap .current {
            color: var(--brand-900);
            font-weight: 500;
        }

        /* ==== 响应式 ==== */
        @media (max-width: 1024px) {
            .section-padding {
                padding: 64px 0;
            }
        }

        @media (max-width: 768px) {
            .container-x {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-guide .grid {
                grid-template-columns: 1fr;
            }

            .stat-block {
                padding: 32px 24px;
            }

            .cta-section {
                padding: 36px 24px;
                border-radius: 16px;
            }

            .etiquette-wrap {
                padding: 24px 18px;
            }
        }

        @media (max-width: 520px) {
            .section-padding {
                padding: 48px 0;
            }

            .section-title {
                font-size: 24px;
            }

            .sticky-cta .btn-accent {
                padding: 10px 16px;
                font-size: 13px;
            }

            .guide-cover {
                padding: 24px 20px;
            }
        }

        /* ==== 滚动条细节 ==== */
        @media (min-width: 769px) {
            .hide-desktop-action {
                display: none;
            }
        }