/* 科技蓝白 - 浅色背景 */
        :root {
            --primary: #2563eb;
            --accent: #06b6d4;
            --bg: #f8fafc;
            --text: #0f172a;
            --white: #ffffff;
            --radius-lg: 24px;
            --radius-md: 16px;
            --shadow-soft: 0 12px 30px rgba(37, 99, 235, 0.08), 0 6px 16px rgba(6, 182, 212, 0.06);
            --shadow-hover: 0 20px 40px rgba(37, 99, 235, 0.12), 0 10px 20px rgba(6, 182, 212, 0.08);
        }

        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 点阵背景装饰 */
        .dot-bg {
            background-image: radial-gradient(rgba(37, 99, 235, 0.12) 1px, transparent 1px);
            background-size: 24px 24px;
            position: relative;
        }

        /* 双色块左右分屏 + 锚点吸顶 */
        .navbar-kmh {
            backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.7);
            transition: background 0.3s ease, box-shadow 0.3s ease;
            border-bottom: 1px solid rgba(37, 99, 235, 0.08);
            padding-top: 12px;
            padding-bottom: 12px;
        }

        .navbar-kmh.scrolled {
            background: rgba(255, 255, 255, 0.92);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.02);
            border-bottom: 1px solid rgba(37, 99, 235, 0.15);
        }

        .navbar-brand {
            font-weight: 800;
            color: var(--primary) !important;
            font-size: 1.75rem;
            letter-spacing: -0.5px;
        }

        .navbar-brand i {
            color: var(--accent);
            font-size: 1.8rem;
            margin-right: 6px;
        }

        .nav-link {
            font-weight: 500;
            color: var(--text) !important;
            margin: 0 8px;
            transition: color 0.2s;
        }

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

        /* hero 双色块分屏 */
        .hero-split {
            background: linear-gradient(120deg, #ffffff 0%, #f0f7ff 50%, #e6f0ff 50%, #f8fafc 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-split .hero-card {
            border-radius: 32px;
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            background: var(--white);
            padding: 0;
        }

        .hero-split .hero-left {
            background: linear-gradient(145deg, var(--primary), #1e40af);
            color: white;
            padding: 3rem 2rem;
            border-radius: 24px 0 0 24px;
            position: relative;
            min-height: 400px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-split .hero-right {
            background: linear-gradient(145deg, #ffffff, #f0f9ff);
            padding: 2rem 2rem;
            border-radius: 0 24px 24px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-bg-img {
            background-image: url('{随机图片}');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 4rem 2rem;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            margin: 0 0.75rem;
        }

        .hero-bg-img .overlay {
            background: rgba(2, 6, 23, 0.55);
            padding: 3rem 2rem;
            border-radius: 24px;
            color: white;
            backdrop-filter: brightness(0.8);
        }

        .hero-bg-img h1 {
            font-size: 3.2rem;
            font-weight: 900;
            letter-spacing: -1px;
            text-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }

        /* 圆角柔和 */
        .card, .step-card, .feature-card {
            border-radius: var(--radius-lg);
            border: none;
            box-shadow: var(--shadow-soft);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            background: var(--white);
        }

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

        .feature-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 16px;
            background: rgba(37, 99, 235, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
        }

        .feature-card i {
            font-size: 1.6rem;
            color: var(--primary);
        }

        .step-card {
            border-radius: 20px;
            padding: 1.5rem;
            background: var(--white);
            text-align: center;
            box-shadow: 0 8px 18px rgba(37, 99, 235, 0.04);
            border: 1px solid rgba(37, 99, 235, 0.08);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: white;
            border-radius: 16px;
            font-weight: 700;
            font-size: 1.25rem;
            margin-bottom: 0.75rem;
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        /* 海报hover播放按钮 */
        .manga-poster {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            background: #dbeafe;
            box-shadow: var(--shadow-soft);
            transition: all 0.25s;
        }

        .manga-poster img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 3/4;
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .manga-poster.loaded img {
            opacity: 1;
        }

        .manga-poster .play-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(15, 23, 42, 0.2);
            opacity: 0;
            transition: opacity 0.25s;
            border-radius: 20px;
        }

        .manga-poster:hover .play-overlay {
            opacity: 1;
        }

        .play-overlay i {
            font-size: 3.2rem;
            color: white;
            background: rgba(37, 99, 235, 0.8);
            border-radius: 50%;
            padding: 1.2rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            transform: scale(0.9);
            transition: transform 0.2s;
        }

        .manga-poster:hover .play-overlay i {
            transform: scale(1);
        }

        .poster-placeholder {
            background: linear-gradient(145deg, #e0eaff, #cfe0ff);
            aspect-ratio: 3/4;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            border-radius: 20px;
        }

        /* FAQ 圆角卡片 */
        .faq-item {
            background: white;
            border-radius: 20px;
            padding: 1.5rem;
            margin-bottom: 1rem;
            box-shadow: var(--shadow-soft);
        }

        .faq-item h5 {
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text);
        }

        /* 页脚 */
        .footer-kmh {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2.5rem 0 1rem;
            margin-top: 4rem;
            border-radius: 32px 32px 0 0;
        }

        .footer-kmh a {
            color: #e2e8f0;
            text-decoration: none;
        }

        /* 友情链接区 */
        .friend-links {
            background: white;
            border-radius: 24px;
            padding: 2rem;
            margin: 2rem 0;
            box-shadow: var(--shadow-soft);
        }

        .heading-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            margin-right: 8px;
        }

        /* 标题手写感 */
        .display-title {
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* 懒加载占位 */
        .img-placeholder {
            background: #e2e8f0;
            position: relative;
        }

        /* 锚点平滑 */
        html {
            scroll-behavior: smooth;
        }

        .section-padding {
            padding: 4rem 0;
        }

        /* 网格卡片 */
        .poster-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            gap: 1.2rem;
        }

/* --- 子页面追加 --- */
/* 本页专属微调 */
        .about-hero {
            position: relative;
            overflow: hidden;
        }
.about-hero .hero-badge {
            display: inline-block;
            padding: 8px 18px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.2);
        }
.about-hero h1 {
            font-weight: 800;
            letter-spacing: -0.5px;
        }
.about-hero .lead {
            font-size: 1.15rem;
            line-height: 1.8;
            max-width: 680px;
            margin: 0 auto;
        }
.philosophy-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            height: 100%;
            box-shadow: var(--shadow-soft);
            transition: all .3s ease;
            border: 1px solid rgba(37, 99, 235, 0.06);
        }
.philosophy-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
.philosophy-card .icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(6,182,212,.12));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.4rem;
            color: var(--primary);
        }
.philosophy-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
.philosophy-card p {
            color: #475569;
            font-size: 0.95rem;
            line-height: 1.75;
            margin-bottom: 0;
        }
.timeline-item {
            display: flex;
            gap: 24px;
            padding: 24px 0;
            border-bottom: 1px dashed rgba(37, 99, 235, 0.15);
        }
.timeline-item:last-child { border-bottom: none; }
.timeline-year {
            flex-shrink: 0;
            width: 72px;
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--primary);
            padding-top: 4px;
        }
.timeline-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
.timeline-content p {
            color: #475569;
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
.name-origin {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-soft);
            border-left: 4px solid var(--accent);
        }
.value-tag {
            display: inline-block;
            background: rgba(6, 182, 212, 0.1);
            color: #0891b2;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin: 4px 6px 4px 0;
        }
.about-footer-cta {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
.about-footer-cta::after {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 180px;
            height: 180px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
        }
.about-footer-cta h2 {
            font-weight: 800;
            font-size: 1.6rem;
            position: relative;
            z-index: 1;
        }
.about-footer-cta p {
            opacity: 0.9;
            position: relative;
            z-index: 1;
        }
.about-footer-cta .btn {
            position: relative;
            z-index: 1;
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 700;
            transition: all .3s;
        }
.about-footer-cta .btn:hover {
            transform: scale(1.04);
            box-shadow: 0 8px 24px rgba(0,0,0,0.15);
        }
.timeline-item { flex-direction: column; gap: 8px; }
.timeline-year { width: auto; }
.about-footer-cta { padding: 36px 24px; }

/* --- 子页面追加 --- */
.disclaimer-section { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); padding: 2.5rem; margin-bottom: 2rem; }
.disclaimer-section h2 { color: var(--primary); font-weight: 700; font-size: 1.75rem; margin-bottom: 1.25rem; position: relative; padding-left: 1rem; }
.disclaimer-section h2::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 4px; height: 24px; background: var(--accent); border-radius: 2px; }
.disclaimer-section h3 { color: var(--text); font-weight: 600; font-size: 1.25rem; margin-top: 1.5rem; margin-bottom: 0.75rem; }
.disclaimer-section p { color: #475569; line-height: 1.8; margin-bottom: 1rem; }
.disclaimer-section ul, .disclaimer-section ol { color: #475569; line-height: 1.8; padding-left: 1.5rem; margin-bottom: 1rem; }
.disclaimer-section li { margin-bottom: 0.5rem; }
.disclaimer-section strong { color: var(--text); }
.disclaimer-section .highlight-box { background: rgba(37, 99, 235, 0.05); border-left: 4px solid var(--primary); padding: 1.25rem; border-radius: 0 var(--radius-md) var(--radius-md) 0; margin: 1.5rem 0; }
.disclaimer-section .highlight-box p { margin-bottom: 0.5rem; }
.disclaimer-section .highlight-box p:last-child { margin-bottom: 0; }
.disclaimer-section .icon-item { display: flex; align-items: flex-start; gap: 0.75rem; margin-bottom: 1rem; }
.disclaimer-section .icon-item i { color: var(--primary); font-size: 1.25rem; margin-top: 0.25rem; flex-shrink: 0; }
.page-header-disclaimer { background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%); border-bottom: 1px solid rgba(37, 99, 235, 0.1); padding: 4rem 0 3rem; }
.last-updated { display: inline-block; background: rgba(37, 99, 235, 0.1); color: var(--primary); padding: 0.35rem 1rem; border-radius: 20px; font-size: 0.85rem; font-weight: 500; margin-top: 1rem; }

/* --- 子页面追加 --- */
/* 本页专属少量样式 */
        .privacy-section { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); padding: 40px; margin-bottom: 30px; }
.privacy-section h2 { color: var(--primary); font-weight: 800; font-size: 1.6rem; margin-bottom: 20px; }
.privacy-section h3 { color: var(--text); font-weight: 700; font-size: 1.2rem; margin-top: 25px; margin-bottom: 12px; }
.privacy-section p, .privacy-section li { color: #475569; line-height: 1.8; font-size: 0.98rem; }
.privacy-section ul { padding-left: 20px; }
.privacy-section li { margin-bottom: 8px; }
.privacy-updated { background: linear-gradient(135deg, rgba(37,99,235,0.05), rgba(6,182,212,0.05)); border-left: 4px solid var(--primary); padding: 15px 20px; border-radius: 0 var(--radius-md) var(--radius-md) 0; margin-bottom: 30px; color: var(--text); font-size: 0.95rem; }
.contact-box { background: var(--bg); border-radius: var(--radius-md); padding: 20px; margin-top: 20px; border: 1px solid rgba(37,99,235,0.1); }
.contact-box i { color: var(--primary); margin-right: 10px; }
.nav-link.active-page { color: var(--primary) !important; font-weight: 700; }
.nav-link.active-page::after { width: 100%; }
.privacy-section { padding: 25px 20px; }