:root {
        --primary: #0891b2;
        --accent: #0ea5e9;
        --bg: #ecfeff;
        --text: #083344;
        --card-bg: #ffffff;
        --shadow-heavy: 0 8px 24px rgba(8, 145, 178, 0.18), 0 2px 8px rgba(8, 145, 178, 0.08);
        --shadow-float: 0 12px 32px rgba(8, 145, 178, 0.22), 0 4px 12px rgba(8, 145, 178, 0.1);
        --border-light: 2px solid #c9eaf5;
    }
    
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    
    body {
        font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        background-color: var(--bg);
        color: var(--text);
        font-size: 14px;
        line-height: 1.6;
        overflow-x: hidden;
    }
    
    /* 噪点纹理 */
    body::before {
        content: '';
        position: fixed;
        top: 0; left: 0;
        width: 100%; height: 100%;
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");
        pointer-events: none;
        z-index: 9999;
    }
    
    /* 滚动进度条 */
    #scroll-progress {
        position: fixed;
        top: 0; left: 0;
        height: 3px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        z-index: 10000;
        width: 0%;
        transition: width 0.08s linear;
        box-shadow: 0 0 10px rgba(14, 165, 233, 0.5);
    }
    
    /* 滚动进入动画 */
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        will-change: opacity, transform;
    }
    .reveal.active {
        opacity: 1;
        transform: translateY(0);
    }
    
    /* 导航 */
    .navbar-custom {
        background: rgba(236, 254, 255, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-bottom: 2px solid var(--primary);
        box-shadow: 0 2px 16px rgba(8, 145, 178, 0.15);
        padding: 10px 0;
        z-index: 1000;
    }
    .navbar-brand-custom {
        font-weight: 900;
        font-size: 1.5rem;
        color: var(--primary);
        text-decoration: none;
        letter-spacing: -0.5px;
        text-shadow: 0 2px 4px rgba(8, 145, 178, 0.2);
    }
    .navbar-brand-custom:hover {
        color: var(--accent);
    }
    .nav-link-custom {
        font-weight: 600;
        color: var(--text);
        padding: 8px 16px;
        border-radius: 8px;
        transition: all 0.3s ease;
        font-size: 14px;
    }
    .nav-link-custom:hover {
        background: rgba(8, 145, 178, 0.1);
        color: var(--primary);
        box-shadow: 0 2px 8px rgba(8, 145, 178, 0.2);
    }
    
    /* Hero 区域 */
    .hero-section {
        background: linear-gradient(135deg, var(--bg) 0%, #ffffff 50%, var(--bg) 100%);
        padding: 80px 0 60px;
        position: relative;
    }
    .hero-badge {
        display: inline-block;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        color: #fff;
        padding: 6px 18px;
        border-radius: 50px;
        font-weight: 700;
        font-size: 13px;
        letter-spacing: 0.5px;
        box-shadow: 0 4px 12px rgba(8, 145, 178, 0.4);
        margin-bottom: 24px;
    }
    .hero-stats {
        display: flex;
        gap: 40px;
        margin: 32px 0;
        flex-wrap: wrap;
    }
    .hero-stat {
        text-align: center;
    }
    .hero-stat-number {
        font-size: 3.2rem;
        font-weight: 900;
        color: var(--primary);
        line-height: 1.1;
        text-shadow: 0 4px 12px rgba(8, 145, 178, 0.3);
    }
    .hero-stat-label {
        font-size: 13px;
        font-weight: 600;
        color: #1e6b7e;
        text-transform: uppercase;
        letter-spacing: 1px;
    }
    .hero-title {
        font-size: 3.2rem;
        font-weight: 900;
        color: var(--text);
        line-height: 1.15;
        margin-bottom: 20px;
        letter-spacing: -1.5px;
        text-shadow: 0 4px 12px rgba(8, 145, 178, 0.15);
    }
    .hero-subtitle {
        font-size: 16px;
        font-weight: 400;
        color: #1e6b7e;
        max-width: 600px;
        margin-bottom: 32px;
        line-height: 1.7;
    }
    .hero-image {
        border-radius: 20px;
        box-shadow: var(--shadow-heavy);
        transition: transform 0.5s ease, box-shadow 0.5s ease;
        max-width: 100%;
        height: auto;
        border: 3px solid #fff;
    }
    .hero-image:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-float);
    }
    
    /* 区块通用 */
    .section-title {
        font-size: 2rem;
        font-weight: 900;
        color: var(--text);
        margin-bottom: 12px;
        position: relative;
        display: inline-block;
        letter-spacing: -0.5px;
    }
    .section-title::after {
        content: '';
        position: absolute;
        bottom: -6px; left: 0;
        width: 60px; height: 4px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        border-radius: 4px;
    }
    .section-subtitle {
        color: #1e6b7e;
        font-size: 15px;
        margin-bottom: 40px;
    }
    
    /* 长文区块 */
    .longform-section {
        padding: 70px 0;
        background: #ffffff;
        border-top: 1px solid #d4ecf5;
        border-bottom: 1px solid #d4ecf5;
    }
    .longform-content {
        max-width: 800px;
        margin: 0 auto;
    }
    .longform-content h3 {
        font-weight: 800;
        font-size: 1.5rem;
        color: var(--primary);
        margin-bottom: 16px;
        margin-top: 36px;
    }
    .longform-content p {
        margin-bottom: 20px;
        color: #0f4a5a;
        font-size: 15px;
        line-height: 1.8;
    }
    .longform-content .highlight-box {
        background: linear-gradient(135deg, rgba(8, 145, 178, 0.06), rgba(14, 165, 233, 0.06));
        border-left: 4px solid var(--primary);
        padding: 20px 24px;
        border-radius: 0 12px 12px 0;
        margin: 28px 0;
        box-shadow: 0 4px 16px rgba(8, 145, 178, 0.08);
    }
    
    /* 对比表格 */
    .comparison-section {
        padding: 70px 0;
        background: var(--bg);
    }
    .comparison-table {
        background: #fff;
        border-radius: 16px;
        box-shadow: var(--shadow-heavy);
        overflow: hidden;
        border: var(--border-light);
        width: 100%;
        border-collapse: separate;
        border-spacing: 0;
    }
    .comparison-table th {
        background: linear-gradient(135deg, var(--primary), var(--accent));
        color: #fff;
        padding: 16px 20px;
        font-weight: 800;
        font-size: 15px;
        text-align: center;
        letter-spacing: 0.5px;
    }
    .comparison-table td {
        padding: 14px 20px;
        border-bottom: 1px solid #e8f6fb;
        text-align: center;
        font-size: 14px;
    }
    .comparison-table tr:last-child td {
        border-bottom: none;
    }
    .comparison-table tr:hover td {
        background: #f0fafe;
    }
    .comparison-table .feature-col {
        font-weight: 700;
        text-align: left;
        color: var(--text);
        background: #f8fdff;
    }
    .check-icon {
        color: var(--primary);
        font-size: 18px;
    }
    .x-icon {
        color: #e11d48;
        font-size: 18px;
    }
    
    /* FAQ */
    .faq-section {
        padding: 70px 0;
        background: #ffffff;
        border-top: 1px solid #d4ecf5;
    }
    .accordion-item {
        border: var(--border-light);
        border-radius: 12px !important;
        margin-bottom: 16px;
        overflow: hidden;
        box-shadow: 0 2px 12px rgba(8, 145, 178, 0.06);
        background: #fff;
    }
    .accordion-button {
        font-weight: 700;
        color: var(--text);
        padding: 18px 24px;
        font-size: 15px;
        background: #fff;
        box-shadow: none !important;
    }
    .accordion-button:not(.collapsed) {
        background: linear-gradient(135deg, rgba(8, 145, 178, 0.08), rgba(14, 165, 233, 0.08));
        color: var(--primary);
    }
    .accordion-button:focus {
        box-shadow: none;
        border-color: var(--primary);
    }
    .accordion-body {
        padding: 20px 24px;
        color: #0f4a5a;
        line-height: 1.8;
        font-size: 14px;
    }
    
    /* 特色卡片网格 */
    .features-section {
        padding: 70px 0;
        background: linear-gradient(180deg, var(--bg) 0%, #e0f7fc 100%);
    }
    .feature-card {
        background: #fff;
        border-radius: 16px;
        padding: 28px 24px;
        box-shadow: var(--shadow-heavy);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        border: var(--border-light);
        height: 100%;
        position: relative;
        overflow: hidden;
    }
    .feature-card::before {
        content: '';
        position: absolute;
        top: 0; left: 0;
        width: 100%; height: 4px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
    }
    .feature-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-float);
    }
    .feature-icon {
        width: 52px; height: 52px;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 18px;
        color: #fff;
        font-size: 22px;
        box-shadow: 0 4px 12px rgba(8, 145, 178, 0.4);
    }
    .feature-card h4 {
        font-weight: 800;
        font-size: 16px;
        margin-bottom: 12px;
        color: var(--text);
    }
    .feature-card p {
        font-size: 13px;
        color: #1e6b7e;
        line-height: 1.7;
        margin-bottom: 0;
    }
    
    /* 步骤条 */
    .steps-section {
        padding: 70px 0;
        background: #ffffff;
        border-top: 1px solid #d4ecf5;
        border-bottom: 1px solid #d4ecf5;
    }
    .step-item {
        position: relative;
        padding: 24px;
        background: var(--bg);
        border-radius: 16px;
        border: var(--border-light);
        box-shadow: 0 4px 16px rgba(8, 145, 178, 0.08);
        transition: transform 0.3s ease;
        height: 100%;
    }
    .step-item:hover {
        transform: translateY(-4px);
    }
    .step-number {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px; height: 40px;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        color: #fff;
        border-radius: 50%;
        font-weight: 900;
        font-size: 18px;
        margin-bottom: 16px;
        box-shadow: 0 4px 10px rgba(8, 145, 178, 0.35);
    }
    .step-item h4 {
        font-weight: 800;
        font-size: 16px;
        margin-bottom: 10px;
        color: var(--text);
    }
    .step-item p {
        font-size: 13px;
        color: #1e6b7e;
        margin-bottom: 0;
        line-height: 1.7;
    }
    
    /* CTA */
    .cta-section {
        padding: 80px 0;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        top: -30px; right: -30px;
        width: 200px; height: 200px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.1);
    }
    .cta-title {
        font-size: 2.2rem;
        font-weight: 900;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: -0.5px;
        text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
    }
    .cta-subtitle {
        color: rgba(255, 255, 255, 0.95);
        font-size: 16px;
        margin-bottom: 32px;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    .cta-btn {
        display: inline-block;
        background: #fff;
        color: var(--primary);
        font-weight: 800;
        padding: 14px 40px;
        border-radius: 50px;
        text-decoration: none;
        font-size: 16px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .cta-btn:hover {
        transform: translateY(-3px);
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        color: var(--accent);
    }
    
    /* 友链 */
    .friend-links {
        padding: 40px 0;
        background: #f0fafe;
        border-top: 2px solid var(--primary);
    }
    .friend-links h5 {
        font-weight: 800;
        color: var(--text);
        margin-bottom: 16px;
        font-size: 16px;
    }
    .friend-links .link-area {
        font-size: 14px;
        color: #1e6b7e;
        background: #fff;
        padding: 12px 20px;
        border-radius: 8px;
        border: var(--border-light);
        display: inline-block;
        box-shadow: 0 2px 8px rgba(8, 145, 178, 0.08);
    }
    
    /* 页脚 */
    footer {
        background: #0a3b4d;
        color: #b8e6f3;
        padding: 30px 0;
        font-size: 13px;
    }
    footer a {
        color: #b8e6f3;
        text-decoration: none;
        transition: color 0.3s;
    }
    footer a:hover {
        color: #fff;
    }
    
    /* 海报 hover 播放按钮 */
    .poster-wrapper {
        position: relative;
        border-radius: 16px;
        overflow: hidden;
        box-shadow: var(--shadow-heavy);
        cursor: pointer;
    }
    .poster-wrapper img {
        width: 100%;
        display: block;
        transition: transform 0.4s ease;
    }
    .poster-overlay {
        position: absolute;
        top: 0; left: 0;
        width: 100%; height: 100%;
        background: rgba(8, 145, 178, 0.4);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    .poster-wrapper:hover .poster-overlay {
        opacity: 1;
    }
    .poster-wrapper:hover img {
        transform: scale(1.05);
    }
    .play-btn {
        width: 70px; height: 70px;
        background: #fff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    }
    .play-btn i {
        font-size: 26px;
        color: var(--primary);
        margin-left: 4px;
    }
    
    /* 通用 */
    .container-custom {
        max-width: 1140px;
        margin: 0 auto;
        padding: 0 20px;
    }
    .badge-custom {
        background: linear-gradient(135deg, var(--primary), var(--accent));
        color: #fff;
        font-weight: 700;
        font-size: 12px;
        padding: 4px 12px;
        border-radius: 50px;
        letter-spacing: 0.5px;
    }
    
    @media (max-width: 768px) {
        .hero-title {
            font-size: 2.2rem;
        }
        .hero-stats {
            gap: 20px;
        }
        .hero-stat-number {
            font-size: 2.4rem;
        }
        .section-title {
            font-size: 1.5rem;
        }
        .cta-title {
            font-size: 1.6rem;
        }
    }

/* --- 子页面追加 --- */
.about-hero {
            background: linear-gradient(135deg, var(--bg) 0%, #d5f3ff 100%);
            padding: 80px 0 60px;
            border-bottom: var(--border-light);
        }
.about-hero .badge-custom {
            display: inline-block;
            background: rgba(8, 145, 178, 0.12);
            color: var(--primary);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 1px;
            margin-bottom: 20px;
            border: 1px solid rgba(8, 145, 178, 0.2);
        }
.about-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 20px;
        }
.about-hero h1 span {
            color: var(--primary);
        }
.about-hero .lead {
            font-size: 1.15rem;
            color: #155e75;
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.8;
        }
.section-block {
            padding: 70px 0;
        }
.section-block.bg-white {
            background: var(--card-bg);
            border-top: var(--border-light);
            border-bottom: var(--border-light);
        }
.section-label {
            display: inline-block;
            background: rgba(8, 145, 178, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 15px;
            letter-spacing: 0.5px;
        }
.section-block h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 15px;
        }
.section-block h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
.section-block h2.center {
            text-align: center;
        }
.section-block h2.center::after {
            left: 50%;
            transform: translateX(-50%);
        }
.section-block p {
            font-size: 1rem;
            color: #155e75;
            line-height: 1.9;
            margin-bottom: 16px;
        }
.feature-card .icon-wrap {
            width: 60px;
            height: 60px;
            background: rgba(8, 145, 178, 0.1);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary);
            font-size: 1.5rem;
        }
.feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
.timeline {
            position: relative;
            padding-left: 30px;
            margin-top: 30px;
        }
.timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            opacity: 0.3;
        }
.timeline-item {
            position: relative;
            margin-bottom: 35px;
            padding-left: 20px;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 8px;
            width: 14px;
            height: 14px;
            background: var(--primary);
            border: 3px solid var(--bg);
            border-radius: 50%;
            box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.2);
        }
.timeline-item .time-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }
.timeline-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
.timeline-item p {
            font-size: 0.92rem;
            color: #155e75;
            line-height: 1.7;
            margin-bottom: 0;
        }
.about-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            padding: 60px 0;
            border-radius: 20px;
            margin: 40px 0;
        }
.about-cta h3 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 15px;
        }
.about-cta p {
            color: rgba(255,255,255,0.9);
            font-size: 1rem;
            margin-bottom: 25px;
        }
.about-cta .btn-custom {
            background: #fff;
            color: var(--primary);
            padding: 12px 35px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.about-cta .btn-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
.stats-row {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            margin: 40px 0;
        }
.stat-box {
            text-align: center;
            padding: 20px;
            flex: 1;
            min-width: 150px;
        }
.stat-box .number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
        }
.stat-box .label {
            font-size: 0.9rem;
            color: #155e75;
            margin-top: 5px;
        }
.about-hero h1 {
                font-size: 2rem;
            }
.section-block {
                padding: 50px 0;
            }
.section-block h2 {
                font-size: 1.5rem;
            }

/* --- 子页面追加 --- */
/* 本页专属微调 */
        .disclaimer-hero { padding: 100px 0 60px; background: linear-gradient(135deg, rgba(8,145,178,0.08) 0%, rgba(14,165,233,0.05) 100%); }
.disclaimer-section { margin-bottom: 2.5rem; }
.disclaimer-section h3 { color: var(--primary); font-weight: 700; font-size: 1.35rem; margin-bottom: 1rem; position: relative; padding-left: 1.2rem; }
.disclaimer-section h3::before { content: ''; position: absolute; left: 0; top: 0.3rem; width: 4px; height: 1.2rem; background: var(--accent); border-radius: 2px; }
.disclaimer-section p, .disclaimer-section li { color: var(--text); line-height: 1.8; font-size: 0.95rem; }
.disclaimer-section ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.disclaimer-section ul li { margin-bottom: 0.5rem; list-style: disc; }
.notice-box { background: rgba(14,165,233,0.08); border-left: 4px solid var(--accent); padding: 1.2rem 1.5rem; border-radius: 0 12px 12px 0; margin: 1.5rem 0; }
.notice-box p { margin-bottom: 0; color: var(--text); font-size: 0.95rem; }
.update-date { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--primary); color: #fff; padding: 0.35rem 1rem; border-radius: 50px; font-size: 0.85rem; font-weight: 500; }
.update-date i { font-size: 0.75rem; }
.toc-box { background: var(--card-bg); border: var(--border-light); border-radius: 16px; padding: 1.5rem; margin-bottom: 2.5rem; box-shadow: var(--shadow-heavy); }
.toc-box h4 { color: var(--primary); font-weight: 700; margin-bottom: 1rem; font-size: 1.1rem; }
.toc-box ul { list-style: none; padding-left: 0; margin-bottom: 0; }
.toc-box ul li { padding: 0.4rem 0; border-bottom: 1px dashed rgba(8,145,178,0.15); }
.toc-box ul li:last-child { border-bottom: none; }
.toc-box ul li a { color: var(--text); text-decoration: none; font-size: 0.95rem; transition: color 0.2s; display: flex; align-items: center; gap: 0.5rem; }
.toc-box ul li a:hover { color: var(--accent); }
.toc-box ul li a i { color: var(--accent); font-size: 0.8rem; width: 1rem; }
.highlight-term { color: var(--primary); font-weight: 600; }

/* --- 子页面追加 --- */
.privacy-hero {
            padding: 80px 0 40px;
            background: linear-gradient(135deg, var(--bg) 0%, #d5f4fc 100%);
            border-bottom: var(--border-light);
        }
.privacy-section {
            padding: 60px 0;
            border-bottom: 1px solid rgba(8, 145, 178, 0.15);
        }
.privacy-section:last-child {
            border-bottom: none;
        }
.privacy-icon {
            color: var(--primary);
            margin-right: 12px;
        }
.privacy-card {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 28px;
            margin-top: 20px;
            box-shadow: 0 4px 12px rgba(8, 145, 178, 0.08);
            border: 1px solid rgba(8, 145, 178, 0.12);
        }
.privacy-card:hover {
            box-shadow: var(--shadow-heavy);
            transform: translateY(-2px);
            transition: all 0.3s ease;
        }
.privacy-list {
            list-style: none;
            padding-left: 0;
        }
.privacy-list li {
            padding: 8px 0;
            position: relative;
            padding-left: 28px;
        }
.privacy-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: 700;
        }
.privacy-badge {
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 16px;
        }
.privacy-note {
            background: linear-gradient(135deg, rgba(8, 145, 178, 0.08), rgba(14, 165, 233, 0.08));
            border-left: 4px solid var(--primary);
            padding: 20px 24px;
            border-radius: 0 8px 8px 0;
            margin: 24px 0;
        }
.privacy-note i {
            color: var(--primary);
            margin-right: 10px;
        }
.nav-link-custom.active {
            color: var(--accent) !important;
            font-weight: 600;
        }

/* --- 子页面追加 --- */
/* 本页仅对指南模块做轻量补充，主风格全部继承自 style.css */
        .guide-step-card {
            background: var(--card-bg);
            border-radius: 20px;
            border: var(--border-light);
            box-shadow: var(--shadow-heavy);
            transition: transform .2s ease, box-shadow .2s ease;
            padding: 2rem 1.8rem;
            height: 100%;
        }
.guide-step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-float);
        }
.guide-step-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            opacity: .25;
            display: block;
            margin-bottom: .5rem;
        }
.guide-tip-box {
            background: rgba(14, 165, 233, .08);
            border-left: 4px solid var(--accent);
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
            color: var(--text);
        }
.guide-tip-box i {
            color: var(--accent);
            margin-right: .4rem;
        }
.glossary-term {
            font-weight: 700;
            color: var(--primary);
        }

/* --- 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; }
.accordion-header { background:transparent !important; }