/* 莫兰迪灰蓝配色变量 + 拟物厚重风 */
        :root {
            --primary: #64748b;
            --accent: #94a3b8;
            --bg: #f1f5f9;
            --text: #1e293b;
            --shadow-1: 0 12px 25px -8px rgba(30, 41, 59, 0.2);
            --shadow-2: 0 20px 35px -12px rgba(30, 41, 59, 0.35);
            --high-light: rgba(255, 255, 255, 0.7);
        }
        * {
            font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
        }
        body {
            background: var(--bg);
            color: var(--text);
            position: relative;
            overflow-x: hidden;
        }
        /* 几何色块背景 */
        .geometry-bg::before,
        .geometry-bg::after {
            content: '';
            position: absolute;
            z-index: 0;
            pointer-events: none;
            border-radius: 3px;
            opacity: 0.3;
        }
        .geometry-bg::before {
            width: 180px;
            height: 180px;
            background: var(--accent);
            top: 80px;
            right: -40px;
            transform: rotate(40deg);
            box-shadow: 0 0 0 15px rgba(148,163,184,0.2);
        }
        .geometry-bg::after {
            width: 90px;
            height: 90px;
            background: var(--primary);
            bottom: 20%;
            left: -30px;
            border-radius: 50%;
            opacity: 0.15;
        }
        .geo-circle {
            position: absolute;
            width: 120px;
            height: 120px;
            background: transparent;
            border: 28px solid #cbd5e1;
            border-radius: 50%;
            top: 30%;
            right: 5%;
            z-index: 0;
            opacity: 0.2;
        }
        .geo-square {
            position: absolute;
            width: 60px;
            height: 60px;
            background: #b9c4d0;
            bottom: 5%;
            right: 20%;
            transform: rotate(10deg);
            z-index: 0;
            opacity: 0.3;
        }
        /* 时间线/步骤条全局装饰 */
        .timeline-line {
            position: relative;
        }
        .timeline-line::after {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0.2;
        }
        /* 拟物厚重风格按钮/卡片 */
        .neumorph-card {
            background: var(--bg);
            border: 1px solid rgba(148,163,184,0.3);
            box-shadow: var(--shadow-1), inset 0 1px 4px var(--high-light);
            transition: transform .25s ease, border-color .2s, box-shadow .3s;
        }
        .neumorph-card:hover {
            transform: scale(1.02);
            border-color: var(--accent);
            box-shadow: var(--shadow-2), inset 0 1px 4px white;
        }
        h1, h2, h3, .font-display {
            font-weight: 800;
            letter-spacing: -0.02em;
            text-shadow: 0 3px 0 rgba(148,163,184,0.15);
        }
        .section-title {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1.2rem;
        }
        .lead-copy {
            font-size: 1.1rem;
            font-weight: 400;
            color: #334155;
        }
        /* 导航 */
        .navbar-brand {
            font-weight: 900;
            font-size: 2rem;
            color: var(--text) !important;
            text-shadow: 0 4px 8px rgba(100,116,139,0.25);
        }
        .navbar {
            backdrop-filter: blur(8px);
            background: rgba(241,245,249,0.85) !important;
            border-bottom: 2px solid #cbd5e1;
        }
        .nav-link {
            font-weight: 600;
            color: var(--text) !important;
            margin: 0 0.4rem;
            border-bottom: 3px solid transparent;
        }
        .nav-link:hover {
            border-bottom-color: var(--primary);
        }
        /* 打字机动画 */
        @keyframes typing {
            from { width: 0; }
            to { width: 90%; }
        }
        .typewriter {
            display: inline-block;
            overflow: hidden;
            white-space: nowrap;
            animation: typing 2.5s steps(20, end) forwards;
            max-width: fit-content;
            border-right: 3px solid var(--primary);
        }
        .hero-title {
            font-size: 4rem;
            font-weight: 900;
            line-height: 1.1;
        }
        /* 手风琴说明 */
        .accordion-button:not(.collapsed) {
            background: #e2e8f0;
            color: #0f172a;
            font-weight: 600;
        }
        .accordion-item {
            background: #f8fafc;
            border: 1px solid #cbd5e1;
            margin-bottom: 8px;
            box-shadow: 2px 4px 8px rgba(30, 41, 59, 0.05);
        }
        /* 特色网格icon */
        .feature-icon {
            font-size: 2rem;
            background: var(--bg);
            width: 70px;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 18px;
            box-shadow: inset 0 -5px 0 #b0bec5, 0 10px 15px -5px #64748b40;
            color: #334155;
        }
        /* 卡片错落动效 */
        .stagger-card {
            opacity: 0;
            animation: fadeUp 0.7s ease forwards;
        }
        @keyframes fadeUp {
            0% { opacity: 0; transform: translateY(45px); }
            100% { opacity: 1; transform: translateY(0); }
        }
        /* 回到顶部 */
        #backTop {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 30px;
            background: var(--primary);
            color: white;
            border: none;
            box-shadow: 0 6px 15px rgba(30,41,59,0.4);
            opacity: 0;
            visibility: hidden;
            transition: 0.2s;
            z-index: 999;
        }
        #backTop.show {
            opacity: 1;
            visibility: visible;
        }
        /* poster网格 */
        .poster-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            width: 100%;
        }
        @media (max-width: 900px) {
            .poster-grid { grid-template-columns: repeat(3, 1fr); }
        }
        @media (max-width: 600px) {
            .poster-grid { grid-template-columns: repeat(2, 1fr); }
        }
        .poster-card {
            aspect-ratio: 2 / 3;
            background: #d7dee8;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-1);
            position: relative;
            transition: transform .25s;
        }
        .poster-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .poster-title {
            background: rgba(15,23,42,0.7);
            color: white;
            font-weight: 600;
            font-size: 1rem;
            text-align: center;
            padding: 0.3rem;
            position: absolute;
            bottom: 0;
            width: 100%;
            backdrop-filter: blur(2px);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .friend-links {
            background: #e9eef3;
            border-radius: 28px;
            padding: 1.5rem;
            margin: 2.5rem 0 1rem;
        }
        .footer-copyright {
            border-top: 1px solid #cbd5e1;
            margin-top: 2rem;
            padding-top: 1.5rem;
            font-size: 0.9rem;
        }
        /* 间距 */
        section {
            padding: 3.2rem 0;
        }
        .bg-soft {
            background: #f8fafc;
        }

/* --- 子页面追加 --- */
/* 本页专属微调 —— 仅补充少量必要样式,不覆盖站点风格 */
        .about-hero {
            background: var(--bg);
            padding: 4rem 0 2.5rem;
            border-bottom: 1px solid rgba(100,116,139,.12);
        }
.about-section {
            padding: 3rem 0;
        }
.about-section + .about-section {
            border-top: 1px dashed rgba(100,116,139,.15);
        }
.stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }
.stat-label {
            color: var(--primary);
            font-size: .85rem;
            font-weight: 600;
            letter-spacing: .02em;
            text-transform: uppercase;
            margin-top: .25rem;
        }
.value-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--high-light);
            box-shadow: var(--shadow-1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }
.principle-card {
            background: var(--high-light);
            border-radius: 18px;
            padding: 1.5rem 1.25rem;
            height: 100%;
            box-shadow: var(--shadow-1);
            transition: transform .25s ease, box-shadow .25s ease;
            border: 1px solid rgba(255,255,255,.5);
        }
.principle-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-2);
        }
.timeline-about {
            position: relative;
            padding-left: 2rem;
        }
.timeline-about::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            opacity: .3;
            border-radius: 2px;
        }
.timeline-about-item {
            position: relative;
            margin-bottom: 1.75rem;
        }
.timeline-about-item::before {
            content: "";
            position: absolute;
            left: -2rem;
            top: .35rem;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--bg);
            border: 3px solid var(--primary);
            box-shadow: 0 0 0 4px rgba(100,116,139,.15);
        }
.quote-bubble {
            background: var(--high-light);
            border-left: 4px solid var(--primary);
            border-radius: 0 16px 16px 0;
            padding: 1.25rem 1.5rem;
            box-shadow: var(--shadow-1);
            font-size: 1.02rem;
            line-height: 1.8;
            color: var(--text);
        }
.about-nav .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }

/* --- 子页面追加 --- */
.privacy-header {
            background: linear-gradient(135deg, var(--bg), #e2e8f0);
            padding: 60px 0 40px;
            border-bottom: 1px solid rgba(100, 116, 139, 0.1);
        }
.privacy-content {
            max-width: 860px;
            margin: 0 auto;
            padding: 40px 20px 60px;
        }
.privacy-section {
            background: var(--high-light);
            border-radius: 16px;
            padding: 28px 32px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-1);
            transition: transform 0.2s ease;
        }
.privacy-section:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-2);
        }
.privacy-section h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.privacy-section h2 i {
            color: var(--primary);
            font-size: 1.2rem;
            width: 28px;
            text-align: center;
        }
.privacy-section p {
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }
.privacy-section ul {
            padding-left: 20px;
            margin-bottom: 12px;
        }
.privacy-section li {
            margin-bottom: 8px;
            line-height: 1.7;
            font-size: 0.95rem;
            color: var(--text);
        }
.privacy-section strong {
            color: var(--primary);
            font-weight: 600;
        }
.privacy-highlight {
            background: var(--bg);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 16px 0;
        }
.privacy-highlight p {
            margin-bottom: 0;
        }
.last-updated {
            text-align: center;
            color: var(--primary);
            font-size: 0.85rem;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(100, 116, 139, 0.15);
        }

/* --- 子页面追加 --- */
/* 本页专属轻量样式 */
        .map-hero { padding: 3.5rem 0 2.5rem; background: var(--bg); }
.map-card { background: var(--high-light); border-radius: 16px; padding: 2rem; margin-bottom: 1.5rem; box-shadow: var(--shadow-1); transition: transform .2s ease, box-shadow .2s ease; height: 100%; }
.map-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.map-card h3 { color: var(--primary); font-weight: 700; font-size: 1.3rem; margin-bottom: 1.2rem; display: flex; align-items: center; gap: 0.7rem; }
.map-card h3 i { color: var(--accent); font-size: 1.1rem; }
.map-list { list-style: none; padding-left: 0; margin-bottom: 0; }
.map-list li { padding: 0.45rem 0; border-bottom: 1px dashed rgba(100,116,139,0.2); display: flex; align-items: center; gap: 0.6rem; font-size: 0.95rem; }
.map-list li:last-child { border-bottom: none; }
.map-list li i { color: var(--accent); font-size: 0.8rem; width: 1.2rem; }
.map-list a { color: var(--text); text-decoration: none; transition: color .15s; font-weight: 500; }
.map-list a:hover { color: var(--primary); text-decoration: underline; }
.map-tag { background: var(--bg); color: var(--primary); border-radius: 20px; padding: 0.15rem 0.7rem; font-size: 0.8rem; font-weight: 600; margin-left: 0.5rem; }
.sitemap-note { background: linear-gradient(135deg, rgba(100,116,139,0.08), rgba(148,163,184,0.08)); border-left: 4px solid var(--primary); padding: 1rem 1.5rem; border-radius: 0 12px 12px 0; margin: 2.5rem 0 0; }
.sitemap-note p { margin-bottom: 0; color: var(--text); font-size: 0.95rem; }
.page-title { font-size: 2.2rem; font-weight: 800; color: var(--text); letter-spacing: -0.5px; }
.crumb { font-size: 0.9rem; color: var(--accent); margin-bottom: 1rem; }
.crumb a { color: var(--primary); text-decoration: none; }
.crumb a:hover { text-decoration: underline; }
.crumb i { font-size: 0.7rem; margin: 0 0.3rem; }

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