:root {
        --primary: #0891b2;
        --accent: #0ea5e9;
        --bg: #ecfeff;
        --text: #083344;
        --card-bg: #ffffff;
        --light-line: #bae6fd;
        --shadow: 0 6px 18px rgba(8, 145, 178, 0.07);
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
        background-color: var(--bg);
        color: var(--text);
        font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        font-size: 0.95rem;
        line-height: 1.6;
        font-weight: 400;
    }
    /* 思源宋体/黑体模拟 */
    h1, h2, h3, .serif-font {
        font-family: 'Source Han Serif SC', 'Noto Serif CJK SC', 'Songti SC', Georgia, serif;
        font-weight: 600;
        letter-spacing: 0.02em;
    }
    h4, h5, .sans-font, body, .btn, .nav-link {
        font-family: 'Inter', 'Source Han Sans SC', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
    }
    a { color: var(--primary); text-decoration: none; }

    /* 导航 */
    .navbar-custom {
        background: rgba(236, 254, 255, 0.8);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--light-line);
        padding: 0.8rem 0;
    }
    .navbar-brand {
        font-weight: 800;
        font-size: 1.35rem;
        color: var(--text) !important;
        display: flex;
        align-items: center;
        gap: 6px;
        letter-spacing: -0.3px;
    }
    .navbar-brand i { color: var(--accent); }
    .navbar-toggler { border: none; color: var(--primary); font-size: 1.5rem; }
    .nav-link {
        font-weight: 500;
        color: var(--text) !important;
        margin: 0 0.6rem;
        position: relative;
    }
    .nav-link:hover::after {
        content: '';
        position: absolute;
        left: 0; right: 0; bottom: 2px;
        height: 2px;
        background: var(--accent);
        border-radius: 2px;
    }

    /* 顶部Hero视差 + 渐变 */
    .hero-section {
        position: relative;
        background: linear-gradient(135deg, #e0f2fe 0%, #cffafe 50%, #f0f9ff 100%);
        overflow: hidden;
        padding: 5rem 0 4.5rem;
    }
    .hero-section::before {
        content: '';
        position: absolute;
        top: -20%; left: -10%;
        width: 60%; height: 120%;
        background: radial-gradient(circle at 30% 50%, rgba(14, 165, 233, 0.08) 0%, transparent 60%);
        transform: rotate(-8deg);
        animation: floatingGlow 12s infinite alternate ease-in-out;
    }
    .hero-section::after {
        content: '';
        position: absolute;
        bottom: -15%; right: 0;
        width: 50%; height: 80%;
        background: radial-gradient(circle at 70% 40%, rgba(8, 145, 178, 0.06) 0%, transparent 70%);
        z-index: 1;
    }
    @keyframes floatingGlow {
        0% { transform: translate(0, 0) rotate(-8deg) scale(1); }
        100% { transform: translate(-2%, 3%) rotate(-3deg) scale(1.03); }
    }
    .hero-content {
        position: relative;
        z-index: 5;
        text-align: center;
    }
    .hero-badge {
        display: inline-block;
        background: rgba(255, 255, 255, 0.5);
        border: 1px solid #bae6fd;
        border-radius: 40px;
        padding: 0.35rem 1.2rem;
        font-size: 0.8rem;
        font-weight: 500;
        backdrop-filter: blur(4px);
        margin-bottom: 1.2rem;
    }
    .hero-title {
        font-size: clamp(2.2rem, 7vw, 4rem);
        font-weight: 900;
        background: linear-gradient(110deg, #0891b2, #0ea5e9, #155e75);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        line-height: 1.2;
        margin-bottom: 1rem;
        text-shadow: 0 4px 20px rgba(14,165,233,0.1);
        letter-spacing: 0.5px;
    }
    .hero-sub {
        font-size: 1.15rem;
        color: #155e75;
        max-width: 720px;
        margin: 0 auto 2rem;
        font-weight: 400;
    }
    .hero-cta .btn {
        border-radius: 40px;
        padding: 0.7rem 2.2rem;
        font-weight: 600;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        border: none;
        color: white;
        box-shadow: 0 8px 16px -6px rgba(8, 145, 178, 0.3);
        transition: 0.3s;
        background-size: 200% 100%;
    }
    .hero-cta .btn:hover {
        background-position: right center;
        transform: translateY(-2px);
    }
    /* 浮动装饰 */
    .float-deco {
        position: absolute;
        border-radius: 50%;
        background: rgba(255,255,255,0.4);
        width: 120px; height: 120px;
        filter: blur(30px);
        z-index: 0;
    }
    .deco-1 { top: 15%; left: 10%; background: rgba(14,165,233,0.1); }
    .deco-2 { bottom: 20%; right: 8%; background: rgba(8,145,178,0.12); }

    /* 通用区块 */
    .section-padding { padding: 3.8rem 0; }
    .section-title {
        font-size: 1.9rem;
        font-weight: 700;
        position: relative;
        margin-bottom: 2rem;
        padding-bottom: 0.4rem;
    }
    .section-title::after {
        content: '';
        position: absolute;
        bottom: 0; left: 0;
        width: 48px;
        height: 4px;
        background: var(--accent);
        border-radius: 4px;
    }
    .container-custom { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

    /* 步骤条 */
    .step-list {
        display: flex;
        flex-wrap: wrap;
        gap: 1.8rem;
        margin: 2rem 0;
    }
    .step-item {
        flex: 1 1 180px;
        display: flex;
        gap: 0.8rem;
        align-items: flex-start;
    }
    .step-num {
        background: var(--primary);
        color: white;
        width: 32px; height: 32px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 0.9rem;
        flex-shrink: 0;
    }
    .step-content h5 { font-weight: 600; margin-bottom: 0.2rem; }
    .step-content p { font-size: 0.9rem; color: #155e75; }

    /* 对比表格 */
    .compare-table {
        background: white;
        border-radius: 20px;
        box-shadow: var(--shadow);
        overflow: hidden;
        border: 1px solid #e0f2fe;
        width: 100%;
    }
    .compare-table th, .compare-table td {
        padding: 1rem 1.2rem;
        vertical-align: middle;
    }
    .compare-table thead th {
        background: #e8f7fc;
        font-weight: 700;
        font-size: 1.1rem;
        border-bottom: 2px solid #bae6fd;
    }
    .compare-table tbody tr {
        border-bottom: 1px solid #f0f9ff;
    }
    .compare-table tbody tr:last-child { border-bottom: none; }
    .compare-table .feature-cell {
        font-weight: 500;
        color: var(--text);
    }
    .check-yes { color: #0891b2; font-weight: 600; }
    .check-no { color: #94a3b8; }

    /* FAQ 手风琴 */
    .faq-item {
        background: white;
        border-radius: 16px;
        box-shadow: var(--shadow);
        margin-bottom: 0.8rem;
        border: 1px solid #e0f2fe;
        overflow: hidden;
    }
    .faq-q {
        padding: 1.1rem 1.5rem;
        font-weight: 600;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: #ffffff;
    }
    .faq-q i { color: var(--accent); font-size: 1.2rem; transition: 0.3s; }
    .faq-a {
        max-height: 0;
        overflow: hidden;
        padding: 0 1.5rem;
        background: #f8fcfe;
        transition: max-height 0.35s ease, padding 0.3s;
        border-top: 0 solid transparent;
    }
    .faq-item.open .faq-a {
        max-height: 200px;
        padding: 1rem 1.5rem 1.3rem;
        border-top: 1px solid #e0f2fe;
    }
    .faq-item.open .faq-q i { transform: rotate(180deg); }

    /* 特色卡片 */
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 1.5rem;
    }
    .feature-card {
        background: white;
        padding: 1.6rem 1rem;
        border-radius: 20px;
        text-align: center;
        box-shadow: var(--shadow);
        border: 1px solid #f0f9ff;
        transition: 0.25s;
    }
    .feature-card i {
        font-size: 2rem;
        background: linear-gradient(145deg, var(--primary), var(--accent));
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        margin-bottom: 0.7rem;
    }
    .feature-card h5 { font-weight: 600; font-size: 1.1rem; }
    .feature-card p { font-size: 0.85rem; color: #155e75; margin-bottom: 0; }

    /* CTA */
    .cta-section {
        background: linear-gradient(120deg, #e0f2fe 0%, #cffafe 100%);
        border-radius: 32px;
        padding: 3rem 2rem;
        text-align: center;
        margin: 3rem 0;
    }
    .btn-glow {
        border-radius: 50px;
        background: var(--text);
        color: white;
        border: none;
        padding: 0.7rem 2.5rem;
        font-weight: 600;
        transition: 0.3s;
        box-shadow: 0 4px 14px rgba(8, 145, 178, 0.2);
    }
    .btn-glow:hover { background: #155e75; transform: translateY(-2px); }

    /* 友情链接 & 页脚 */
    .footer {
        border-top: 1px solid #bae6fd;
        background: rgba(224, 242, 254, 0.4);
        padding: 2.5rem 0 1.5rem;
    }
    .friend-links {
        padding: 1.5rem 0 0.8rem;
        border-bottom: 1px dashed #a5d8f0;
        margin-bottom: 1.5rem;
    }
    .friend-links h6 {
        font-weight: 600;
        color: var(--text);
        margin-bottom: 0.6rem;
    }
    .friend-links a { color: var(--primary); margin-right: 1.2rem; font-size: 0.9rem; }
    .copyright { font-size: 0.9rem; color: #155e75; }

    /* 图片懒加载占位渐显 */
    img[data-src] {
        background: #d0e9f5;
        opacity: 0.7;
        transition: opacity 0.3s;
    }
    img.loaded {
        opacity: 1;
        background: none;
    }

    @media (max-width: 768px) {
        .hero-title { font-size: 2.2rem; }
        .section-title { font-size: 1.6rem; }
        .compare-table { font-size: 0.85rem; }
    }

/* --- 子页面追加 --- */
.contact-hero {
            background: linear-gradient(135deg, #ecfeff 0%, #bae6fd 50%, #7dd3fc 100%);
            padding: 100px 0 60px;
            position: relative;
            overflow: hidden;
        }
.contact-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: var(--accent);
            border-radius: 50%;
            opacity: 0.1;
        }
.contact-hero .hero-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 1;
        }
.contact-hero .hero-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }
.contact-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.3;
        }
.contact-hero .hero-sub {
            font-size: 1.1rem;
            color: rgba(8, 51, 68, 0.8);
            line-height: 1.7;
        }
.contact-section {
            padding: 80px 0;
        }
.contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
.contact-grid {
                grid-template-columns: 1fr;
            }
.contact-card {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 32px;
            box-shadow: var(--shadow);
            border: 1px solid var(--light-line);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.contact-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(8, 145, 178, 0.12);
        }
.contact-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            background: var(--bg);
            color: var(--primary);
        }
.contact-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
.contact-card p {
            color: rgba(8, 51, 68, 0.75);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }
.contact-card a {
            color: var(--primary);
            font-weight: 600;
            text-decoration: none;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: color 0.2s;
        }
.contact-card a:hover {
            color: var(--accent);
        }
.form-section {
            background: var(--bg);
            padding: 80px 0;
            border-top: 1px solid var(--light-line);
            border-bottom: 1px solid var(--light-line);
        }
.form-wrap {
            max-width: 720px;
            margin: 0 auto;
        }
.form-card {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--light-line);
        }
.form-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 8px;
        }
.form-sub {
            color: rgba(8, 51, 68, 0.7);
            margin-bottom: 30px;
            font-size: 0.95rem;
        }
.form-group {
            margin-bottom: 22px;
        }
.form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
            margin-bottom: 8px;
        }
.form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--light-line);
            border-radius: 10px;
            background: var(--bg);
            color: var(--text);
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
.form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.12);
            background: #fff;
        }
.form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(8, 51, 68, 0.35);
        }
.form-group textarea {
            min-height: 140px;
            resize: vertical;
        }
.btn-submit {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
        }
.btn-submit:hover {
            background: var(--accent);
            transform: translateY(-2px);
        }
.faq-contact-wrap {
            padding: 80px 0;
        }
.brand-note {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            padding: 60px 0;
            border-radius: 20px;
            margin-top: 80px;
            position: relative;
            overflow: hidden;
        }
.brand-note::before {
            content: '🎬';
            position: absolute;
            right: 30px;
            bottom: -20px;
            font-size: 120px;
            opacity: 0.15;
        }
.brand-note h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
.brand-note p {
            font-size: 1rem;
            opacity: 0.95;
            max-width: 700px;
            margin-bottom: 0;
        }
.contact-hero h1 {
                font-size: 1.9rem;
            }
.contact-hero .hero-sub {
                font-size: 1rem;
            }
.form-card {
                padding: 28px 22px;
            }
.contact-card {
                padding: 24px;
            }
.brand-note h2 {
                font-size: 1.4rem;
            }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .about-hero {
            padding: 100px 0 60px;
            background: linear-gradient(135deg, var(--bg) 0%, #e0f2fe 100%);
        }
.about-section {
            padding: 70px 0;
        }
.about-section:nth-child(even) {
            background: var(--bg);
        }
.mission-card {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 30px;
            height: 100%;
            border: 1px solid var(--light-line);
            transition: transform 0.3s, box-shadow 0.3s;
        }
.mission-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
.mission-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
.story-content {
            line-height: 1.9;
            color: var(--text);
            font-size: 1.05rem;
        }
.value-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 20px;
            border-radius: 12px;
            background: var(--card-bg);
            border: 1px solid var(--light-line);
            margin-bottom: 15px;
        }
.value-item i {
            color: var(--primary);
            font-size: 1.4rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
.timeline {
            position: relative;
            padding-left: 30px;
            border-left: 3px solid var(--primary);
        }
.timeline-item {
            position: relative;
            padding-bottom: 30px;
            padding-left: 20px;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: -37px;
            top: 5px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg);
        }
.timeline-year {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

/* --- 子页面追加 --- */
/* 本页专属小样式 */
        .disclaimer-block {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 2rem;
            margin-bottom: 2rem;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow);
        }
.disclaimer-block h3 {
            color: var(--primary);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
.disclaimer-block p {
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 0.8rem;
        }
.disclaimer-block ul {
            padding-left: 1.2rem;
            color: var(--text);
        }
.disclaimer-block li {
            margin-bottom: 0.5rem;
            line-height: 1.6;
        }
.highlight-box {
            background: rgba(8, 145, 178, 0.06);
            border-radius: 12px;
            padding: 1.2rem 1.5rem;
            margin: 1rem 0;
            border: 1px solid var(--light-line);
        }
.page-hero {
            padding: 4rem 0 2.5rem;
            background: linear-gradient(135deg, rgba(8, 145, 178, 0.08), rgba(14, 165, 233, 0.05));
        }
.page-hero h1 {
            color: var(--text);
            font-weight: 800;
            font-size: 2.2rem;
        }
.page-hero .sub-text {
            color: var(--text);
            opacity: 0.7;
            max-width: 700px;
            margin: 0 auto;
        }
.breadcrumb-custom {
            font-size: 0.9rem;
            color: var(--text);
            opacity: 0.6;
            margin-bottom: 1.5rem;
        }
.breadcrumb-custom a {
            color: var(--primary);
            text-decoration: none;
        }
.breadcrumb-custom a:hover {
            text-decoration: underline;
        }
.disclaimer-block {
                padding: 1.5rem;
            }
.page-hero h1 {
                font-size: 1.7rem;
            }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .privacy-wrap { max-width: 900px; margin: 0 auto; padding: 3rem 1.5rem; }
.privacy-hero { background: linear-gradient(135deg, rgba(8,145,178,.08), rgba(14,165,233,.12)); border-radius: 20px; padding: 3rem 2.5rem; margin-bottom: 3rem; border: 1px solid var(--light-line); }
.privacy-hero h1 { font-weight: 800; color: var(--text); font-size: 2.2rem; margin-bottom: 1rem; }
.privacy-hero h1 span { color: var(--primary); }
.privacy-hero p { color: rgba(8,51,68,.8); font-size: 1.1rem; line-height: 1.8; }
.privacy-section { margin-bottom: 2.5rem; }
.privacy-section h2 { font-weight: 700; color: var(--text); font-size: 1.4rem; margin-bottom: 1.2rem; padding-left: 1rem; border-left: 4px solid var(--primary); }
.privacy-section h3 { font-weight: 600; color: var(--primary); font-size: 1.1rem; margin: 1.5rem 0 .8rem; }
.privacy-section p, .privacy-section li { color: rgba(8,51,68,.85); line-height: 1.9; font-size: .98rem; }
.privacy-section ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.privacy-section ul li { margin-bottom: .5rem; position: relative; }
.privacy-section ul li::before { content: '•'; color: var(--primary); font-weight: 700; display: inline-block; width: 1rem; margin-left: -1rem; }
.privacy-card { background: var(--card-bg); border-radius: 12px; padding: 1.5rem; margin: 1.2rem 0; border: 1px solid var(--light-line); box-shadow: var(--shadow); }
.privacy-card h4 { font-weight: 600; color: var(--primary); font-size: 1rem; margin-bottom: .8rem; }
.privacy-card p { margin-bottom: .5rem; }
.privacy-note { background: rgba(14,165,233,.08); border-left: 3px solid var(--accent); padding: 1rem 1.2rem; border-radius: 0 8px 8px 0; margin: 1.2rem 0; }
.privacy-note p { margin: 0; }
.update-date { color: rgba(8,51,68,.6); font-size: .9rem; font-style: italic; margin-top: 2rem; text-align: right; }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#083344 !important; border-color:rgba(0,0,0,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#083344 !important; }