:root {
            --main-color: #64748b;      /* 主色 */
            --accent-color: #94a3b8;    /* 强调 */
            --bg-color: #f1f5f9;        /* 背景 */
            --text-color: #1e293b;      /* 文字 */
            --card-bg: #ffffff;
            --shadow-heavy: 0 15px 30px -10px rgba(30, 41, 59, 0.25), 0 8px 20px rgba(100, 116, 139, 0.2);
            --shadow-lighter: 0 8px 18px -6px rgba(30, 41, 59, 0.15);
        }
        body {
            background-color: var(--bg-color);
            color: var(--text-color);
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            font-weight: 400;
            line-height: 1.6;
            letter-spacing: 0.2px;
            overflow-x: hidden;
        }
        /* 标题手写/圆体感 */
        h1, h2, h3, h4, .brand-font, .display-title {
            font-family: 'Comic Sans MS', 'Chalkboard SE', 'Baloo 2', 'Quicksand', 'Trebuchet MS', cursive, sans-serif;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-color);
        }
        /* 波浪分割 */
        .wave-divider {
            position: relative;
            height: 80px;
            background: linear-gradient(to right, var(--bg-color) 0%, var(--bg-color) 100%);
        }
        .wave-divider::before {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            top: -20px;
            height: 40px;
            background: radial-gradient(circle at 10px -5px, transparent 12px, var(--bg-color) 13px);
            background-size: 30px 30px;
            background-repeat: repeat-x;
            filter: drop-shadow(0 -2px 4px rgba(0,0,0,0.05));
        }
        .wave-divider--flip::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -20px;
            height: 40px;
            background: radial-gradient(circle at 10px 25px, transparent 12px, var(--bg-color) 13px);
            background-size: 30px 30px;
            background-repeat: repeat-x;
        }
        /* 导航栏 */
        .navbar-custom {
            background: rgba(241, 245, 249, 0.7);
            backdrop-filter: blur(12px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.06);
            transition: background 0.3s ease, box-shadow 0.2s;
            padding: 0.6rem 1rem;
            border-bottom: 1px solid rgba(100, 116, 139, 0.2);
        }
        .navbar-custom.scrolled {
            background: rgba(241, 245, 249, 0.92);
            box-shadow: var(--shadow-heavy);
        }
        .navbar-brand {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text-color) !important;
            text-shadow: 2px 3px 0 rgba(100, 116, 139, 0.2);
            transition: all 0.2s;
        }
        .navbar-brand i {
            color: var(--main-color);
            margin-right: 6px;
        }
        .nav-link {
            font-weight: 600;
            color: #1e293b;
            margin: 0 0.7rem;
            position: relative;
            transition: color 0.2s;
        }
        .nav-link:hover {
            color: var(--main-color);
        }
        /* hero 打字机 */
        .hero-typing {
            font-size: clamp(2rem, 6vw, 4.2rem);
            font-weight: 800;
            min-height: 4.2rem;
            border-right: 4px solid var(--main-color);
            display: inline-block;
            white-space: nowrap;
            overflow: hidden;
            width: 0;
            animation: typing 3.5s steps(20, end) forwards, blink 0.8s step-end infinite;
        }
        @keyframes typing {
            from { width: 0; }
            to { width: 100%; }
        }
        @keyframes blink {
            50% { border-color: transparent; }
        }
        .hero-section {
            background: linear-gradient(145deg, #eef2f7 0%, #d9e0eb 100%);
            box-shadow: inset 0 -20px 30px -20px rgba(0,0,0,0.1);
            border-bottom: 1px solid rgba(100,116,139,0.2);
            position: relative;
        }
        .hero-badge {
            background: var(--main-color);
            color: white;
            padding: 0.4rem 1.4rem;
            border-radius: 40px;
            font-weight: 600;
            box-shadow: 0 8px 12px -6px var(--main-color);
        }
        /* 卡片拟物厚重 */
        .heavy-card {
            background: #fff;
            border-radius: 28px;
            box-shadow: var(--shadow-heavy);
            padding: 1.8rem 1.5rem;
            border: 1px solid rgba(255,255,255,0.7);
            backdrop-filter: blur(2px);
            transition: transform 0.2s ease, box-shadow 0.2s;
        }
        .heavy-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 24px 40px -12px rgba(30, 41, 59, 0.35);
        }
        .heavy-card .icon-circle {
            background: var(--bg-color);
            width: 70px;
            height: 70px;
            border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: inset -3px -3px 8px rgba(0,0,0,0.08), inset 3px 3px 8px white;
            color: var(--main-color);
            font-size: 2rem;
        }
        .stats-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--main-color);
            line-height: 1.2;
        }
        /* 对比表格 */
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0 12px;
        }
        .comparison-table th {
            background: var(--main-color);
            color: white;
            padding: 14px 20px;
            font-weight: 600;
            border-radius: 30px 0 0 30px;
        }
        .comparison-table td {
            background: white;
            padding: 14px 20px;
            box-shadow: var(--shadow-lighter);
        }
        .comparison-table tr td:first-child {
            border-radius: 0 30px 30px 0;
        }
        /* 编号清单 */
        .numbered-list {
            counter-reset: step-counter;
            list-style: none;
            padding-left: 0;
        }
        .numbered-list li {
            counter-increment: step-counter;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 24px;
            background: white;
            padding: 16px 20px;
            border-radius: 60px 20px 20px 60px;
            box-shadow: var(--shadow-lighter);
        }
        .numbered-list li::before {
            content: counter(step-counter);
            background: var(--main-color);
            color: white;
            font-weight: 800;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
            box-shadow: 0 6px 0 rgba(30, 41, 59, 0.2);
        }
        /* 海报hover 播放按钮 */
        .poster-card {
            border-radius: 28px;
            background: #fff;
            box-shadow: var(--shadow-heavy);
            overflow: hidden;
            transition: 0.2s;
        }
        .poster-card img {
            width: 100%;
            aspect-ratio: 3/4;
            object-fit: cover;
            transition: 0.3s;
        }
        .poster-overlay {
            position: relative;
        }
        .poster-overlay .play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(241, 245, 249, 0.85);
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.2rem;
            color: var(--main-color);
            opacity: 0;
            transition: 0.25s;
            backdrop-filter: blur(4px);
            box-shadow: 0 10px 18px rgba(0,0,0,0.2);
        }
        .poster-card:hover .play-btn {
            opacity: 1;
        }
        /* 阅读进度条 */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 6px;
            background: linear-gradient(90deg, var(--main-color), var(--accent-color));
            z-index: 9999;
            width: 0%;
            border-radius: 0 8px 8px 0;
            transition: width 0.1s;
        }
        footer a {
            color: var(--main-color);
            text-decoration: none;
        }
        footer a:hover {
            text-decoration: underline;
        }
        .bg-soft {
            background: #e9eef4;
        }
        .text-muted {
            color: #475569 !important;
        }
        .btn-custom {
            background: var(--main-color);
            color: white;
            padding: 12px 30px;
            border-radius: 60px;
            font-weight: 700;
            border: none;
            box-shadow: 0 10px 16px -8px var(--main-color);
            transition: 0.2s;
        }
        .btn-custom:hover {
            background: #3f4f66;
            color: white;
            transform: scale(1.02);
        }

/* --- 子页面追加 --- */
/* 本页如果有需要微调的地方,放这里 */
        .about-hero { padding: 120px 0 80px; position: relative; }
.about-section { padding: 70px 0; }
.about-section-alt { background: var(--card-bg); }
.about-card { background: var(--card-bg); border-radius: 16px; padding: 30px; height: 100%; box-shadow: var(--shadow-lighter); transition: box-shadow .3s ease; }
.about-card:hover { box-shadow: var(--shadow-heavy); }
.about-icon { font-size: 2rem; color: var(--main-color); margin-bottom: 15px; }
.timeline-item { position: relative; padding-left: 30px; padding-bottom: 30px; border-left: 2px solid var(--accent-color); }
.timeline-item:last-child { border-left-color: transparent; }
.timeline-dot { position: absolute; left: -8px; top: 4px; width: 14px; height: 14px; border-radius: 50%; background: var(--main-color); border: 2px solid var(--bg-color); }
.timeline-year { font-weight: 800; color: var(--main-color); font-size: 1.1rem; }
.stat-big { font-size: 2.5rem; font-weight: 900; color: var(--text-color); }
.stat-label { color: var(--main-color); font-weight: 500; }
.feature-list li { margin-bottom: 12px; color: var(--text-color); }
.feature-list i { color: var(--main-color); margin-right: 8px; }
.brand-font { font-weight: 900; letter-spacing: -0.5px; }

/* --- 子页面追加 --- */
.disclaimer-page { padding: 80px 0 60px; }
.disclaimer-hero { background: var(--card-bg); border-radius: 20px; padding: 48px; box-shadow: var(--shadow-heavy); margin-bottom: 40px; position: relative; overflow: hidden; }
.disclaimer-hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--main-color), var(--accent-color)); }
.disclaimer-hero h1 { font-weight: 800; color: var(--text-color); font-size: 2.4rem; margin-bottom: 16px; }
.disclaimer-hero p { color: #475569; font-size: 1.1rem; line-height: 1.8; margin-bottom: 0; }
.disclaimer-section { background: var(--card-bg); border-radius: 16px; padding: 36px; box-shadow: var(--shadow-lighter); margin-bottom: 24px; border: 1px solid rgba(100, 116, 139, 0.1); }
.disclaimer-section h2 { font-weight: 700; color: var(--text-color); font-size: 1.4rem; margin-bottom: 20px; padding-left: 16px; border-left: 4px solid var(--main-color); }
.disclaimer-section h3 { font-weight: 600; color: var(--text-color); font-size: 1.15rem; margin-bottom: 12px; }
.disclaimer-section p, .disclaimer-section li { color: #475569; line-height: 1.8; }
.disclaimer-section ul { padding-left: 20px; }
.disclaimer-section li { margin-bottom: 8px; }
.disclaimer-section .highlight-box { background: rgba(100, 116, 139, 0.08); border-radius: 12px; padding: 20px; margin: 16px 0; border-left: 3px solid var(--main-color); }
.disclaimer-section .highlight-box p { margin-bottom: 8px; }
.disclaimer-section .highlight-box p:last-child { margin-bottom: 0; }
.update-date { display: inline-block; background: rgba(100, 116, 139, 0.1); color: var(--main-color); padding: 6px 16px; border-radius: 20px; font-size: 0.9rem; font-weight: 500; margin-bottom: 16px; }
.btn-back-home { display: inline-block; background: var(--main-color); color: #fff; padding: 12px 28px; border-radius: 8px; font-weight: 600; text-decoration: none; transition: all 0.3s ease; margin-top: 12px; }
.btn-back-home:hover { background: var(--text-color); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-lighter); }
.contact-email { color: var(--main-color); font-weight: 500; }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-item { background:rgba(0,0,0,.03) !important; color:#1e293b !important; border-color:rgba(0,0,0,.12) !important; }
.accordion-button { background:rgba(0,0,0,.03) !important; color:#1e293b !important; }
.accordion-body { background:transparent !important; color:#1e293b !important; }
.accordion-header { background:transparent !important; }