:root {
    --primary: #0891b2;
    --accent: #0ea5e9;
    --bg-light: #ecfeff;
    --text-dark: #083344;
    --white: #ffffff;
    --shadow-sm: 0 4px 12px rgba(8, 145, 178, 0.12);
    --shadow-md: 0 8px 28px rgba(8, 145, 178, 0.18);
    --shadow-lg: 0 16px 40px rgba(8, 145, 178, 0.25);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.7;
    font-weight: 400;
}

/* ========== 拟物厚重风 + 渐变高光 ========== */
h1, h2, h3, h4, h5 {
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--text-dark);
    text-shadow: 0 2px 0 rgba(255,255,255,0.6);
}

h1 {
    font-size: 3.6rem;
    line-height: 1.1;
    background: linear-gradient(135deg, #075985 0%, var(--primary) 40%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 70px;
    height: 5px;
    margin-top: 12px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 3px;
    box-shadow: 0 2px 8px rgba(14,165,233,0.4);
}

/* 数据等宽字体 */
.mono, .stat-num, .lead-time {
    font-family: 'Courier New', Courier, monospace;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* 卡片拟物厚重投影 */
.card-neumorph {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 8px 8px 20px rgba(8, 145, 178, 0.12),
                -4px -4px 12px rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all 0.3s cubic-bezier(0.2, 0, 0, 1);
    overflow: hidden;
}

.card-neumorph:hover {
    transform: translateY(-8px);
    box-shadow: 12px 12px 32px rgba(8, 145, 178, 0.2),
                -6px -6px 16px rgba(255, 255, 255, 0.95);
}

/* ========== 导航栏 ========== */
.navbar {
    background: rgba(236, 254, 255, 0.85);
    backdrop-filter: blur(12px);
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(8, 145, 178, 0.08);
    padding: 0.8rem 0;
}

.navbar.scrolled {
    background: rgba(236, 254, 255, 0.98);
    box-shadow: 0 4px 28px rgba(8, 145, 178, 0.18);
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-dark) !important;
    letter-spacing: -0.02em;
}

.nav-link {
    font-weight: 600;
    color: var(--text-dark) !important;
    margin: 0 0.4rem;
    position: relative;
    opacity: 0.8;
    transition: all 0.2s;
}

.nav-link:hover {
    opacity: 1;
    color: var(--primary) !important;
}

.nav-link.active {
    color: var(--primary) !important;
    opacity: 1;
}

/* ========== Hero 渐变 + 浮动装饰 ========== */
.hero-section {
    padding: 7rem 0 5rem;
    background: linear-gradient(180deg, #e0f2fe 0%, var(--bg-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -60px;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(14,165,233,0.25) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite alternate;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -80px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(8,145,178,0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: float2 8s ease-in-out infinite alternate;
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(-30px) scale(1.1); }
}

@keyframes float2 {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(20px) scale(0.9); }
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    padding: 0.4rem 1.2rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 15px rgba(8,145,178,0.3);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.3rem;
    font-weight: 400;
    color: #0e5a70;
    max-width: 600px;
}

.hero-cta-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #fff;
    font-weight: 700;
    padding: 0.9rem 2.4rem;
    border-radius: 50px;
    border: none;
    box-shadow: 0 8px 24px rgba(8,145,178,0.4);
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.hero-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(8,145,178,0.5);
    color: #fff;
}

/* ========== 布局: 侧栏 + 瀑布流 ========== */
.layout-wrapper {
    display: flex;
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.sidebar {
    width: 220px;
    flex-shrink: 0;
    position: sticky;
    top: 100px;
    align-self: flex-start;
}

.sidebar-inner {
    background: var(--white);
    border-radius: 20px;
    padding: 1.5rem 1.2rem;
    box-shadow: var(--shadow-md);
}

.sidebar-title {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 1rem;
}

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

.sidebar-links li {
    margin-bottom: 0.4rem;
}

.sidebar-links a {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.55rem 0.9rem;
    border-radius: 12px;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.92rem;
    transition: all 0.2s;
}

.sidebar-links a:hover {
    background: var(--bg-light);
    color: var(--primary);
    font-weight: 600;
}

.sidebar-links i {
    width: 18px;
    text-align: center;
    color: var(--primary);
}

.waterfall {
    flex: 1;
    min-width: 0;
}

/* 瀑布流卡片网格 */
.masonry-grid {
    column-count: 3;
    column-gap: 1.8rem;
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: 1.8rem;
}

@media (max-width: 992px) {
    .masonry-grid {
        column-count: 2;
    }
}

@media (max-width: 768px) {
    .masonry-grid {
        column-count: 1;
    }
}

/* 漫画卡片 */
.comic-card {
    border-radius: 18px;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.35s cubic-bezier(0.2, 0, 0, 1);
    cursor: pointer;
}

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

.comic-thumb {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 130%;
    overflow: hidden;
    background: linear-gradient(145deg, #e0f2fe, #bae6fd);
}

.comic-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.comic-thumb img.loaded {
    opacity: 1;
}

.comic-info {
    padding: 1.2rem 1rem 1rem;
}

.comic-title {
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.3rem;
    color: var(--text-dark);
}

.comic-meta {
    font-size: 0.78rem;
    color: #64748b;
    display: flex;
    justify-content: space-between;
}

/* ========== 特色对比表格 ========== */
.compare-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--white);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.compare-table th {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    font-weight: 700;
    padding: 1rem 1.5rem;
    text-align: center;
    font-size: 1rem;
}

.compare-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    text-align: center;
    font-weight: 500;
}

.compare-table tr:last-child td {
    border-bottom: none;
}

.compare-table td:first-child {
    text-align: left;
    font-weight: 600;
}

.compare-badge {
    background: var(--bg-light);
    color: var(--primary);
    padding: 0.25rem 0.9rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

/* ========== 编号清单 ========== */
.steps-list {
    counter-reset: step;
    list-style: none;
    padding: 0;
}

.steps-list li {
    counter-increment: step;
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    padding: 1.4rem 0;
    border-bottom: 1px dashed #bae6fd;
}

.steps-list li::before {
    content: counter(step);
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(8,145,178,0.3);
}

.step-content {
    flex: 1;
}

.step-title {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

/* ========== CTA区块 ========== */
.cta-section {
    background: linear-gradient(135deg, #0e7490 0%, #0ea5e9 100%);
    border-radius: 28px;
    padding: 3.5rem 3rem;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-section h2 {
    color: #fff;
    text-shadow: none;
}

.cta-section h2::after {
    background: #fff;
    margin: 1rem auto;
}

.cta-section p {
    color: #e0f2fe;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.cta-btn {
    background: #fff;
    color: var(--primary);
    font-weight: 800;
    padding: 0.9rem 2.6rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.05rem;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    transition: all 0.3s;
    display: inline-block;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(0,0,0,0.2);
    color: var(--primary);
}

/* ========== 页脚 ========== */
.footer {
    background: var(--text-dark);
    color: #a5f3fc;
    padding: 3rem 0 2rem;
    margin-top: 4rem;
}

.footer a {
    color: #67e8f9;
    text-decoration: none;
}

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

.footer-brand {
    font-size: 1.6rem;
    font-weight: 900;
    color: #fff;
}

.friend-links {
    background: rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-top: 2rem;
}

/* ========== 懒加载占位 ========== */
.img-placeholder {
    background: linear-gradient(145deg, #bae6fd 0%, #e0f2fe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
}

/* ========== 响应式 ========== */
@media (max-width: 992px) {
    .layout-wrapper {
        flex-direction: column;
        padding: 2rem 1.5rem;
    }
    .sidebar {
        width: 100%;
        position: static;
        margin-bottom: 1.5rem;
    }
    .sidebar-inner {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.6rem;
    }
    .sidebar-title {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    .sidebar-links {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    .sidebar-links li {
        margin-bottom: 0;
    }
    .sidebar-links a {
        padding: 0.4rem 0.9rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    h2 {
        font-size: 1.7rem;
    }
    .hero-section {
        padding: 5rem 0 3rem;
    }
    .cta-section {
        padding: 2.5rem 1.5rem;
    }
}

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .about-hero {
            background: linear-gradient(135deg, rgba(8, 145, 178, 0.08) 0%, rgba(14, 165, 233, 0.05) 100%);
            padding: 60px 0 40px;
            border-bottom: 1px solid rgba(8, 145, 178, 0.1);
        }
.about-section {
            padding: 50px 0;
            border-bottom: 1px solid rgba(8, 145, 178, 0.08);
        }
.about-section:last-of-type {
            border-bottom: none;
        }
.about-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 16px;
        }
.about-card {
            background: var(--white);
            border-radius: 16px;
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid rgba(8, 145, 178, 0.08);
        }
.about-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
.about-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
.about-card p {
            font-size: 0.92rem;
            line-height: 1.7;
            color: #155e75;
            margin-bottom: 0;
        }
.timeline-wrap {
            position: relative;
            padding-left: 32px;
        }
.timeline-wrap::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
            opacity: 0.3;
            border-radius: 2px;
        }
.timeline-item {
            position: relative;
            margin-bottom: 30px;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 6px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid var(--white);
            box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.15);
        }
.timeline-year {
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 6px;
        }
.timeline-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
.timeline-item p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #155e75;
            margin-bottom: 0;
        }
.value-tag {
            display: inline-block;
            background: var(--bg-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            margin: 0 6px 8px 0;
            border: 1px solid rgba(8, 145, 178, 0.15);
        }
.stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
.stat-label {
            font-size: 0.85rem;
            color: #155e75;
            margin-top: 4px;
        }
.about-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 20px;
            padding: 50px 40px;
            text-align: center;
            color: var(--white);
            margin: 50px 0;
        }
.about-cta h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
.about-cta p {
            font-size: 1rem;
            opacity: 0.95;
            max-width: 600px;
            margin: 0 auto 24px;
        }
.about-cta .btn-light {
            background: var(--white);
            color: var(--primary);
            border: none;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all 0.3s ease;
        }
.about-cta .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
.footer-note {
            font-size: 0.85rem;
            color: #155e75;
            line-height: 1.8;
        }
.footer-links a {
            color: var(--primary);
            text-decoration: none;
            margin-right: 20px;
            font-size: 0.9rem;
        }
.footer-links a:hover {
            text-decoration: underline;
        }

/* --- 子页面追加 --- */
/* 本页专属样式 —— 免责声明专用 */
        .legal-page {
            padding-top: 120px;
            padding-bottom: 80px;
            background: var(--bg-light);
        }
.legal-card {
            background: var(--white);
            border-radius: 20px;
            padding: 40px;
            box-shadow: var(--shadow-md);
            margin-bottom: 30px;
            border: 1px solid rgba(8, 145, 178, 0.1);
        }
.legal-card h2 {
            color: var(--text-dark);
            font-weight: 800;
            font-size: 1.5rem;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 3px solid var(--primary);
            display: inline-block;
        }
.legal-card h2 i {
            color: var(--primary);
            margin-right: 10px;
        }
.legal-card p, .legal-card li {
            color: var(--text-dark);
            line-height: 1.9;
            font-size: 0.95rem;
            opacity: 0.9;
        }
.legal-card ul {
            padding-left: 20px;
            margin-bottom: 16px;
        }
.legal-card ul li {
            margin-bottom: 8px;
            list-style: none;
            position: relative;
            padding-left: 24px;
        }
.legal-card ul li::before {
            content: "\f0da";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--primary);
            position: absolute;
            left: 0;
            top: 2px;
        }
.legal-card strong {
            color: var(--primary);
        }
.legal-highlight {
            background: var(--bg-light);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 8px;
            margin: 20px 0;
        }
.legal-highlight p {
            margin-bottom: 0;
            font-style: italic;
        }
.last-updated {
            text-align: right;
            color: var(--text-dark);
            opacity: 0.6;
            font-size: 0.85rem;
            margin-top: 30px;
            font-style: italic;
        }
.legal-hero {
            text-align: center;
            margin-bottom: 50px;
        }
.legal-hero h1 {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--text-dark);
            margin-bottom: 16px;
        }
.legal-hero h1 span {
            color: var(--primary);
        }
.legal-hero p {
            color: var(--text-dark);
            opacity: 0.7;
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
.legal-card {
                padding: 24px;
            }
.legal-hero h1 {
                font-size: 1.8rem;
            }

/* --- 子页面追加 --- */
/* 页面内小样式覆盖 */
        .privacy-section {
            padding: 80px 0;
        }
.privacy-hero {
            background: linear-gradient(135deg, rgba(8,145,178,0.08), rgba(14,165,233,0.05));
            border-bottom: 1px solid rgba(8,145,178,0.1);
        }
.privacy-title {
            color: var(--primary);
            font-weight: 800;
        }
.privacy-subtitle {
            color: var(--text-dark);
            opacity: 0.8;
            max-width: 720px;
            margin: 0 auto;
        }
.privacy-card {
            background: var(--white);
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            padding: 32px;
            margin-bottom: 24px;
            border: 1px solid rgba(8,145,178,0.08);
            transition: box-shadow 0.3s ease;
        }
.privacy-card:hover {
            box-shadow: var(--shadow-md);
        }
.privacy-card h3 {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.35rem;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
.privacy-card h3 i {
            color: var(--accent);
        }
.privacy-card p {
            color: var(--text-dark);
            line-height: 1.8;
            margin-bottom: 12px;
        }
.privacy-card ul {
            padding-left: 20px;
            margin-bottom: 16px;
        }
.privacy-card li {
            color: var(--text-dark);
            line-height: 1.8;
            margin-bottom: 8px;
        }
.privacy-card strong {
            color: var(--primary);
        }
.privacy-date {
            color: var(--text-dark);
            opacity: 0.6;
            font-size: 0.9rem;
        }
.privacy-back-link {
            color: var(--primary);
            font-weight: 600;
            text-decoration: none;
            transition: color 0.3s ease;
        }
.privacy-back-link:hover {
            color: var(--accent);
        }
.privacy-card {
                padding: 24px;
            }