:root{
      --primary:#38bdf8;
      --accent:#a78bfa;
      --bg:#0f172a;
      --text:#e2e8f0;
      --soft-shadow: 0 16px 50px -12px rgba(0,0,0,0.8), 0 4px 18px rgba(0,0,0,0.4);
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --noise: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.85" numOctaves="3" stitchTiles="stitch"/></filter><rect width="100" height="100" filter="url(%23n)" opacity="0.18"/></svg>');
    }
    body{
      background-color: var(--bg);
      color: var(--text);
      font-family: 'Noto Sans SC', 'Inter', system-ui, sans-serif;
      position: relative;
      letter-spacing: 0.01em;
    }
    /* 噪点纹理 */
    body::before{
      content: "";
      position: fixed;
      inset: 0;
      background-image: var(--noise);
      pointer-events: none;
      z-index: 9999;
      opacity: 0.5;
      mix-blend-mode: overlay;
    }
    h1,h2,h3,h4,.serif-title{
      font-family: 'Noto Serif SC', 'Inter', serif;
      font-weight: 600;
      letter-spacing: 0.03em;
    }
    /* 导航吸顶 + 透明度变化 */
    .navbar-51{
      backdrop-filter: blur(14px);
      background: rgba(15, 23, 42, 0.6) !important;
      transition: background 0.3s ease, box-shadow 0.2s ease;
      border-bottom: 1px solid rgba(148, 163, 184, 0.12);
    }
    .navbar-51.scrolled{
      background: rgba(15, 23, 42, 0.9) !important;
      box-shadow: 0 8px 30px rgba(0,0,0,0.45);
    }
    .navbar-brand{
      font-family: 'Noto Serif SC', serif;
      font-weight: 700;
      font-size: 1.6rem;
      color: var(--primary) !important;
      display: flex;
      align-items: center;
      letter-spacing: 0.04em;
    }
    .nav-link{
      color: var(--text) !important;
      font-weight: 500;
      margin: 0 0.5rem;
      transition: color 0.2s;
      font-size: 0.98rem;
    }
    .nav-link:hover{ color: var(--primary) !important; }
    .hero-section{
      position: relative;
      background-image: linear-gradient(135deg, rgba(15,23,42,0.86) 0%, rgba(15,23,42,0.6) 100%), url('{随机图片}');
      background-size: cover;
      background-position: center 25%;
      padding: 9rem 0 7rem;
      border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }
    .hero-section .display-3{
      font-weight: 700;
      text-shadow: 0 4px 40px rgba(0,0,0,0.9);
    }
    .btn-flow{
      background: linear-gradient(120deg, #0e1a2f, #1a2b47, #10233f);
      border: 1px solid rgba(56,189,248,0.5);
      color: white;
      border-radius: 60px;
      padding: 0.75rem 2rem;
      position: relative;
      overflow: hidden;
      transition: 0.2s;
      box-shadow: 0 8px 18px rgba(56,189,248,0.12);
    }
    .btn-flow::after{
      content: '';
      position: absolute;
      top: -50%;
      left: -70%;
      width: 50%;
      height: 200%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
      transform: skewX(-20deg);
      transition: 0.5s;
    }
    .btn-flow:hover::after{ left: 120%; }
    .btn-flow:hover{ background: linear-gradient(120deg, #11263f, #1c3457); border-color: var(--primary); transform: translateY(-2px); }
    .section-padding{ padding: 5rem 0; }
    .rounded-panel{
      background: rgba(30, 41, 59, 0.4);
      border-radius: var(--radius-lg);
      border: 1px solid rgba(148,163,184,0.1);
      box-shadow: var(--soft-shadow);
    }
    .step-card{
      border-left: 3px solid var(--primary);
      padding: 1.4rem 1.4rem 1.4rem 2rem;
      background: rgba(51, 65, 85, 0.2);
      border-radius: var(--radius-md);
      margin-bottom: 1.6rem;
      transition: transform 0.15s;
    }
    .step-card:hover{ transform: translateX(6px); }
    .table-51{
      --bs-table-color: #e2e8f0;
      --bs-table-bg: transparent;
      border-color: rgba(100,116,139,0.2);
      font-size: 0.95rem;
    }
    .table-51 th, .table-51 td{
      padding: 1rem 1rem;
      border-color: rgba(100,116,139,0.2);
    }
    .table-51 th{
      background: rgba(56,189,248,0.08);
      font-weight: 500;
    }
    .feature-grid{
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 1.8rem;
      margin-top: 2rem;
    }
    .feature-icon{
      font-size: 2.4rem;
      color: var(--primary);
      opacity: 0.8;
    }
    .icon-single{
      border: 1px solid var(--accent);
      border-radius: 30px;
      width: 64px;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2rem;
      color: var(--accent);
      background: rgba(167,139,250,0.08);
    }
    .poster-grid{
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }
    @media (max-width: 992px) {
      .poster-grid{ grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 600px) {
      .poster-grid{ grid-template-columns: repeat(2, 1fr); gap: 1rem; }
      .hero-section{ padding-top: 6rem; }
    }
    .poster-item img{
      width: 100%;
      aspect-ratio: 2 / 3;
      object-fit: cover;
      border-radius: 18px;
      background: #1e293b;
      box-shadow: 0 10px 26px rgba(0,0,0,0.4);
    }
    .poster-title{
      margin-top: 0.6rem;
      font-weight: 500;
      font-size: 0.9rem;
      color: #cbd5e1;
      line-height: 1.4;
    }
    .footer-51{
      border-top: 1px solid rgba(148,163,184,0.2);
      background: rgba(2,6,23,0.6);
      padding: 3rem 0 2rem;
    }
    .friend-links a{
      color: var(--text);
      margin: 0 0.8rem;
      text-decoration: none;
      opacity: 0.8;
      font-size: 0.9rem;
    }
    .friend-links a:hover{ opacity: 1; color: var(--primary); }
    .navbar-collapse{ background: rgba(15,23,42,0.96); border-radius: 20px; padding: 1rem; }
    @media (min-width: 992px){
      .navbar-collapse{ background: transparent; padding: 0; }
    }
    /* 数字滚动 */
    .num-counter{ font-size: 2.3rem; font-weight: 700; color: var(--primary); font-family: 'Noto Serif SC', serif;}
    .counter-divider{ color: var(--accent);}

/* --- 子页面追加 --- */
.about-hero { position: relative; padding: 100px 0 60px; background: radial-gradient(ellipse at 20% 20%, rgba(56, 189, 248, 0.08) 0%, transparent 60%), radial-gradient(ellipse at 80% 80%, rgba(167, 139, 250, 0.08) 0%, transparent 60%); }
.about-hero::after { content: ''; position: absolute; inset: 0; background: var(--noise); opacity: 0.15; pointer-events: none; }
.about-content { position: relative; z-index: 1; }
.timeline-51 { position: relative; padding-left: 32px; }
.timeline-51::before { content: ''; position: absolute; left: 8px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--primary), var(--accent), transparent); opacity: 0.4; border-radius: 2px; }
.timeline-item-51 { position: relative; margin-bottom: 32px; }
.timeline-item-51::before { content: ''; position: absolute; left: -32px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.15); }
.timeline-item-51:nth-child(odd)::before { background: var(--accent); box-shadow: 0 0 0 4px rgba(167, 139, 250, 0.15); }
.stat-card-51 { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius-md); padding: 28px 20px; text-align: center; transition: transform 0.3s ease, border-color 0.3s ease; }
.stat-card-51:hover { transform: translateY(-4px); border-color: var(--primary); }
.stat-number-51 { font-size: 2.2rem; font-weight: 900; color: var(--primary); font-family: 'Inter', sans-serif; letter-spacing: -1px; }
.stat-label-51 { color: var(--text); opacity: 0.7; font-size: 0.9rem; margin-top: 6px; }
.pillar-item { background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius-md); padding: 28px; height: 100%; transition: border-color 0.3s; }
.pillar-item:hover { border-color: rgba(56,189,248,0.4); }
.pillar-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; margin-bottom: 16px; background: linear-gradient(135deg, rgba(56,189,248,0.15), rgba(167,139,250,0.15)); color: var(--primary); }
.pillar-icon.purple { background: linear-gradient(135deg, rgba(167,139,250,0.15), rgba(56,189,248,0.15)); color: var(--accent); }
.pillar-icon.green { background: linear-gradient(135deg, rgba(52,211,153,0.15), rgba(56,189,248,0.15)); color: #34d399; }
.section-label { color: var(--primary); font-size: 0.85rem; letter-spacing: 3px; text-transform: uppercase; font-weight: 600; margin-bottom: 8px; }
.about-quote { border-left: 3px solid var(--primary); padding: 20px 24px; background: rgba(56,189,248,0.04); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 32px 0; font-style: italic; }
.about-hero { padding: 80px 0 40px; }
.stat-number-51 { font-size: 1.6rem; }
.featured-link { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); text-decoration: none; font-weight: 500; transition: gap 0.3s; }
.featured-link:hover { color: var(--accent); gap: 12px; }

/* --- 子页面追加 --- */
/* 本页专属补充样式（自动合并进站点CSS） */
        .disclaimer-hero {
            background: var(--bg);
            padding: 80px 0 40px;
            position: relative;
            overflow: hidden;
        }
.disclaimer-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(167,139,250,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
.disclaimer-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--text);
            position: relative;
            z-index: 1;
        }
.disclaimer-subtitle {
            color: rgba(226,232,240,0.7);
            font-size: 1.1rem;
            max-width: 720px;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }
.disclaimer-section {
            padding: 32px 0;
        }
.disclaimer-card {
            background: linear-gradient(145deg, rgba(56,189,248,0.06) 0%, rgba(167,139,250,0.03) 100%);
            border: 1px solid rgba(56,189,248,0.12);
            border-radius: var(--radius-lg);
            padding: 32px;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
            transition: border-color 0.3s ease;
        }
.disclaimer-card:hover {
            border-color: rgba(56,189,248,0.35);
        }
.disclaimer-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.disclaimer-card h2 i {
            color: var(--accent);
            font-size: 1.4rem;
        }
.disclaimer-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            margin: 20px 0 12px;
        }
.disclaimer-card p {
            color: rgba(226,232,240,0.85);
            line-height: 1.8;
            margin-bottom: 14px;
        }
.disclaimer-card ul {
            color: rgba(226,232,240,0.85);
            line-height: 1.8;
            padding-left: 20px;
            margin-bottom: 14px;
        }
.disclaimer-card li {
            margin-bottom: 8px;
        }
.disclaimer-card li::marker {
            color: var(--accent);
        }
.notice-box {
            background: rgba(167,139,250,0.08);
            border-left: 4px solid var(--accent);
            padding: 18px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
        }
.notice-box p {
            margin-bottom: 8px;
            color: rgba(226,232,240,0.9);
        }
.contact-list {
            list-style: none;
            padding-left: 0 !important;
        }
.contact-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(56,189,248,0.1);
        }
.contact-list li:last-child {
            border-bottom: none;
        }
.contact-list i {
            color: var(--accent);
            width: 24px;
            text-align: center;
        }
.table-51-disclaimer {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin: 16px 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
.table-51-disclaimer th {
            background: rgba(56,189,248,0.12);
            color: var(--text);
            font-weight: 600;
            padding: 12px 16px;
            border: 1px solid rgba(56,189,248,0.15);
            text-align: left;
        }
.table-51-disclaimer td {
            background: rgba(255,255,255,0.02);
            color: rgba(226,232,240,0.85);
            padding: 12px 16px;
            border: 1px solid rgba(56,189,248,0.08);
        }
.disclaimer-title {
                font-size: 2rem;
            }
.disclaimer-card {
                padding: 20px;
            }

/* --- 子页面追加 --- */
/* 覆盖 bootstrap 卡片与列表的默认白底，确保与深色主题一致 */
    .card, .card-body, .list-group-item, .accordion-item, .form-control {
      background: var(--bg) !important;
      color: var(--text) !important;
      border-color: #2d3a55 !important;
    }
.accordion-button:not(.collapsed) {
      background: rgba(56, 189, 248, 0.08);
      color: var(--primary);
    }
.accordion-button {
      background: var(--bg);
      color: var(--text);
      border: 1px solid #2d3a55;
    }
.accordion-button::after {
      filter: invert(1) sepia(1) saturate(5) hue-rotate(180deg);
    }
.btn-outline-custom {
      border-color: var(--primary);
      color: var(--primary);
    }
.btn-outline-custom:hover {
      background: var(--primary);
      color: #0f172a;
    }
/* 小型步骤编号装饰 */
    .guide-step {
      border-left: 4px solid var(--accent);
      padding-left: 1.2rem;
      margin-bottom: 1.8rem;
    }
.guide-step h3 {
      font-weight: 600;
      font-size: 1.3rem;
      letter-spacing: 0.2px;
    }
.guide-tip {
      background: rgba(167, 139, 250, 0.08);
      padding: 1.5rem 1.8rem;
      border-radius: var(--radius-md);
      border: 1px solid rgba(167, 139, 250, 0.3);
      margin: 2rem 0;
    }
.badge-51 {
      background: rgba(56, 189, 248, 0.15);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      padding: 0.25rem 0.8rem;
      border-radius: 30px;
      display: inline-block;
    }
.anchor-offset {
      scroll-margin-top: 90px;
    }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#e2e8f0 !important; border-color:rgba(255,255,255,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#e2e8f0 !important; }
.accordion-body { background:transparent !important; color:#e2e8f0 !important; }
.accordion-header { background:transparent !important; }