:root {
      --main: #9f1239;
      --accent: #e11d48;
      --bg: #fafafa;
      --text: #3f0a1a;
      --border: #d9b0b8;
      --soft-glow: rgba(225, 29, 72, 0.12);
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      background-color: var(--bg);
      color: var(--text);
      font-family: 'Inter', system-ui, -apple-system, sans-serif;
      font-weight: 400;
      line-height: 1.7;
      font-size: 1.05rem;
      overflow-x: hidden;
    }
    h1,h2,h3,h4,h5 {
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--text);
    }
    a { text-decoration: none; color: inherit; }
    .container-custom {
      max-width: 1320px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 左侧固定侧栏 + 右侧布局 */
    .layout-side {
      display: flex;
      gap: 40px;
      padding: 2rem 0;
    }
    .sidebar-left {
      flex: 0 0 260px;
      position: sticky;
      top: 90px;
      align-self: flex-start;
      border-right: 2px solid var(--border);
      padding-right: 20px;
      height: 100vh;
      overflow-y: auto;
    }
    .main-right {
      flex: 1;
      min-width: 0;
    }

    /* 导航栏 */
    .navbar-51 {
      background: rgba(250,250,250,0.92);
      backdrop-filter: blur(6px);
      border-bottom: 2px solid var(--border);
      padding: 0.7rem 0;
      position: sticky;
      top: 0;
      z-index: 1030;
    }
    .navbar-brand {
      font-weight: 900;
      font-size: 1.9rem;
      color: var(--main);
      letter-spacing: -0.03em;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .navbar-brand i { color: var(--accent); font-size: 2rem; }
    .navbar-nav .nav-link {
      font-weight: 600;
      color: var(--text);
      padding: 0.5rem 1rem;
      border-left: 2px solid transparent;
    }
    .navbar-nav .nav-link:hover {
      border-left-color: var(--accent);
      color: var(--main);
    }
    .btn-outline-accent {
      border: 2px solid var(--accent);
      color: var(--accent);
      font-weight: 600;
      border-radius: 0;
      padding: 0.25rem 1.2rem;
      transition: 0.2s;
    }
    .btn-outline-accent:hover {
      background: var(--accent);
      color: white;
    }

    /* Hero 区块 大数字 + 视差 */
    .hero-51 {
      position: relative;
      padding: 4.5rem 0 5rem;
      border-bottom: 2px solid var(--border);
      background: radial-gradient(circle at 30% 40%, var(--soft-glow), transparent 40%),
                  radial-gradient(circle at 70% 60%, rgba(159,18,57,0.06), transparent 50%);
      margin-bottom: 1rem;
      background-attachment: fixed; /* 视差效果 */
    }
    .hero-big-number {
      font-size: 6rem;
      font-weight: 900;
      font-family: 'SF Mono', 'Menlo', 'Consolas', 'Courier New', monospace;
      line-height: 1;
      color: var(--main);
      letter-spacing: -4px;
      display: inline-block;
    }
    .hero-sub {
      font-size: 1.2rem;
      max-width: 560px;
      font-weight: 400;
      border-left: 4px solid var(--accent);
      padding-left: 1.2rem;
      margin-top: 1.2rem;
    }

    /* 描边卡片,无阴影 */
    .border-card {
      border: 2px solid var(--border);
      background: transparent;
      border-radius: 0;
      padding: 1.5rem;
      margin-bottom: 2rem;
      transition: 0.15s;
    }
    .border-card .card-title {
      font-weight: 800;
      font-size: 1.6rem;
      border-bottom: 2px solid var(--border);
      padding-bottom: 0.5rem;
      margin-bottom: 1.2rem;
    }

    /* 编号清单 */
    .num-list {
      counter-reset: step-counter;
      list-style: none;
      padding-left: 0;
    }
    .num-list li {
      counter-increment: step-counter;
      margin-bottom: 1.4rem;
      padding-left: 3rem;
      position: relative;
      font-weight: 500;
    }
    .num-list li::before {
      content: counter(step-counter, decimal-leading-zero);
      font-family: 'SF Mono', 'Menlo', monospace;
      font-weight: 700;
      color: var(--accent);
      font-size: 1.1rem;
      position: absolute;
      left: 0;
      top: 0;
      border-right: 3px solid var(--accent);
      padding-right: 10px;
    }

    /* 对比表格 */
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.5rem 0;
    }
    .compare-table th, .compare-table td {
      border: 2px solid var(--border);
      padding: 1rem 0.8rem;
      text-align: left;
      font-weight: 500;
      background: transparent;
    }
    .compare-table th {
      font-weight: 800;
      background: rgba(159,18,57,0.03);
      font-size: 1.1rem;
    }
    .compare-table tr:last-child td { border-bottom: 2px solid var(--border); }

    /* FAQ 卡片 */
    .faq-item {
      border-bottom: 2px solid var(--border);
      padding: 1.2rem 0;
    }
    .faq-item h5 { font-weight: 700; display: flex; align-items: center; }
    .faq-item i { color: var(--accent); margin-right: 10px; }

    /* 特色区块卡片网格 */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 24px;
    }
    .feature-item {
      border: 2px solid var(--border);
      padding: 1.8rem 1.2rem;
      text-align: center;
    }
    .feature-item i {
      font-size: 2.8rem;
      color: var(--main);
      margin-bottom: 1rem;
    }

    /* CTA */
    .cta-51 {
      background: rgba(159,18,57,0.02);
      border: 3px solid var(--main);
      padding: 3rem 2rem;
      margin: 3rem 0;
      position: relative;
    }

    /* 回到顶部 */
    #toTopBtn {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--main);
      color: white;
      border: 2px solid white;
      font-size: 1.2rem;
      z-index: 999;
      opacity: 0;
      visibility: hidden;
      transition: 0.3s;
      cursor: pointer;
      box-shadow: none;
    }
    #toTopBtn.show {
      opacity: 1;
      visibility: visible;
    }

    /* 海报hover效果（用于瀑布流卡片示例） */
    .poster-card {
      position: relative;
      border: 2px solid var(--border);
      background: #f2e2e6;
      overflow: hidden;
    }
    .poster-card img {
      width: 100%;
      display: block;
      aspect-ratio: 3/4;
      object-fit: cover;
      filter: grayscale(0.1);
    }
    .play-overlay {
      position: absolute;
      inset: 0;
      background: rgba(15, 2, 8, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: 0.25s;
    }
    .poster-card:hover .play-overlay {
      opacity: 1;
    }
    .play-overlay i {
      font-size: 3.2rem;
      color: white;
      text-shadow: 0 4px 12px rgba(0,0,0,0.3);
    }

    /* 瀑布流网格 */
    .masonry-grid {
      columns: 3 260px;
      column-gap: 24px;
    }
    .masonry-item {
      break-inside: avoid;
      margin-bottom: 24px;
    }

    /* 友链区 */
    .friend-links {
      border-top: 2px solid var(--border);
      margin-top: 4rem;
      padding: 2rem 0;
    }

    /* 等宽字体数据 */
    .mono-badge {
      font-family: 'SF Mono', 'Menlo', monospace;
      font-weight: 700;
      background: rgba(225,29,72,0.05);
      padding: 0.1rem 0.4rem;
      border: 1px solid var(--border);
    }

    /* 响应式 */
    @media (max-width: 992px) {
      .sidebar-left {
        position: static;
        width: 100%;
        height: auto;
        border-right: 0;
        border-bottom: 2px solid var(--border);
        padding: 10px 0;
        margin-bottom: 30px;
      }
      .layout-side { flex-direction: column; }
    }
    @media (max-width: 600px) {
      .hero-big-number { font-size: 4.5rem; }
    }

/* --- 子页面追加 --- */
/* 本页专属微调，仅补充站点CSS未覆盖的部分 */
        .about-hero {
            background: linear-gradient(135deg, rgba(159,18,57,.08) 0%, rgba(225,29,72,.04) 100%);
            border-bottom: 1px solid var(--border);
        }
.about-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            color: var(--text);
        }
.about-hero .lead {
            color: #6b1a2e;
            font-weight: 400;
            max-width: 720px;
        }
.stat-block {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 2rem;
        }
.stat-item {
            flex: 1 1 160px;
            text-align: center;
            padding: 1.2rem .8rem;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 12px;
        }
.stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            display: block;
        }
.stat-item .label {
            font-size: .85rem;
            color: #6b1a2e;
            margin-top: .3rem;
        }
.timeline-item {
            border-left: 2px solid var(--accent);
            padding-left: 1.5rem;
            margin-bottom: 1.8rem;
            position: relative;
        }
.timeline-item::before {
            content: "";
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            position: absolute;
            left: -6px;
            top: 6px;
        }
.timeline-item .year {
            font-weight: 700;
            color: var(--accent);
            font-size: .95rem;
        }
.timeline-item p {
            color: var(--text);
            margin-bottom: .3rem;
        }
.principle-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.5rem;
            height: 100%;
            transition: box-shadow .25s;
        }
.principle-card:hover {
            box-shadow: 0 4px 20px var(--soft-glow);
        }
.principle-card i {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 1rem;
        }
.principle-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: .6rem;
        }
.principle-card p {
            color: #6b1a2e;
            font-size: .92rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
.section-label {
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: .5rem;
        }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .disclaimer-hero {
            background: linear-gradient(135deg, rgba(159,18,57,0.08) 0%, rgba(225,29,72,0.12) 100%);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 3.5rem 2rem;
            margin: 2rem 0 3rem;
            position: relative;
            overflow: hidden;
        }
.disclaimer-hero::before {
            content: '\f05a';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: -30px;
            top: -30px;
            font-size: 12rem;
            color: rgba(225,29,72,0.06);
            transform: rotate(15deg);
        }
.disclaimer-hero h1 {
            color: var(--main);
            font-weight: 800;
            font-size: 2.4rem;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }
.disclaimer-hero p {
            color: var(--text);
            font-size: 1.1rem;
            max-width: 800px;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }
.disclaimer-section {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 2rem;
            margin-bottom: 2rem;
            transition: box-shadow 0.3s ease;
        }
.disclaimer-section:hover {
            box-shadow: 0 8px 30px rgba(159,18,57,0.08);
        }
.disclaimer-section h2 {
            color: var(--main);
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
.disclaimer-section h2 i {
            color: var(--accent);
            font-size: 1.2rem;
        }
.disclaimer-section p, .disclaimer-section li {
            color: var(--text);
            line-height: 1.8;
            font-size: 0.95rem;
        }
.disclaimer-section ul {
            padding-left: 1.5rem;
            margin-top: 0.8rem;
        }
.disclaimer-section li {
            margin-bottom: 0.6rem;
        }
.notice-box {
            background: var(--soft-glow);
            border-left: 4px solid var(--accent);
            padding: 1.2rem 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
.notice-box p {
            margin-bottom: 0;
            font-weight: 500;
        }
.updated-date {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(159,18,57,0.08);
            padding: 0.4rem 1rem;
            border-radius: 30px;
            color: var(--main);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }
.disclaimer-hero h1 {
                font-size: 1.8rem;
            }
.disclaimer-section {
                padding: 1.5rem;
            }

/* --- 子页面追加 --- */
/* 本页专属样式,自动合并进站点 CSS */
        .subscribe-hero {
            background: linear-gradient(135deg, rgba(159, 18, 57, 0.05) 0%, rgba(225, 29, 72, 0.1) 100%);
            border-bottom: 1px solid var(--border);
            padding: 4rem 0 3rem;
        }
.subscribe-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--main);
            margin-bottom: 1rem;
        }
.subscribe-hero .hero-sub {
            font-size: 1.15rem;
            color: var(--text);
            max-width: 650px;
            margin: 0 auto;
        }
.pricing-card {
            background: var(--bg);
            border: 2px solid var(--border);
            border-radius: 16px;
            padding: 2rem 1.8rem;
            text-align: center;
            transition: all .3s ease;
            position: relative;
            height: 100%;
        }
.pricing-card:hover {
            transform: translateY(-6px);
            border-color: var(--accent);
            box-shadow: 0 12px 30px var(--soft-glow);
        }
.pricing-card.featured {
            border-color: var(--accent);
            box-shadow: 0 8px 30px var(--soft-glow);
        }
.pricing-card .badge-featured {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            font-size: .8rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 30px;
            letter-spacing: .5px;
            white-space: nowrap;
        }
.pricing-card .plan-name {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--main);
            margin-bottom: .5rem;
        }
.pricing-card .price {
            font-size: 3rem;
            font-weight: 900;
            color: var(--text);
            line-height: 1.1;
            margin: 1rem 0;
        }
.pricing-card .price span {
            font-size: 1rem;
            font-weight: 400;
            color: var(--text);
            opacity: .6;
        }
.pricing-card .plan-desc {
            font-size: .95rem;
            color: var(--text);
            opacity: .8;
            margin-bottom: 1.5rem;
        }
.pricing-card .plan-features {
            list-style: none;
            padding: 0;
            margin: 0 0 1.8rem;
            text-align: left;
        }
.pricing-card .plan-features li {
            padding: .4rem 0;
            font-size: .95rem;
            color: var(--text);
            border-bottom: 1px dashed var(--border);
        }
.pricing-card .plan-features li:last-child {
            border-bottom: none;
        }
.pricing-card .plan-features i {
            color: var(--accent);
            margin-right: 8px;
            width: 18px;
            text-align: center;
        }
.btn-subscribe {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: .7rem 2.2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all .3s ease;
            display: inline-block;
            text-decoration: none;
        }
.btn-subscribe:hover {
            background: var(--main);
            color: #fff;
            transform: scale(1.03);
        }
.btn-subscribe-outline {
            background: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
            padding: .6rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all .3s ease;
            display: inline-block;
            text-decoration: none;
        }
.btn-subscribe-outline:hover {
            background: var(--accent);
            color: #fff;
        }
.benefit-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1.2rem;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 1rem;
        }
.benefit-item .icon-box {
            width: 48px;
            height: 48px;
            min-width: 48px;
            border-radius: 12px;
            background: var(--soft-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.3rem;
        }
.benefit-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--main);
            margin-bottom: .3rem;
        }
.benefit-item p {
            font-size: .9rem;
            color: var(--text);
            opacity: .8;
            margin: 0;
        }
.faq-sub {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 1rem;
        }
.faq-sub h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--main);
            margin-bottom: .5rem;
        }
.faq-sub p {
            font-size: .95rem;
            color: var(--text);
            opacity: .85;
            margin: 0;
        }
.subscribe-note {
            background: var(--soft-glow);
            border-left: 4px solid var(--accent);
            padding: 1.2rem 1.5rem;
            border-radius: 8px;
            font-size: .95rem;
            color: var(--text);
            margin: 2rem 0;
        }
.subscribe-note i {
            color: var(--accent);
            margin-right: 8px;
        }
.section-title-51 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--main);
            text-align: center;
            margin-bottom: .5rem;
        }
.section-subtitle-51 {
            text-align: center;
            color: var(--text);
            opacity: .7;
            max-width: 600px;
            margin: 0 auto 2.5rem;
        }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .privacy-section {
            margin-bottom: 2.5rem;
        }
.privacy-section h2 {
            color: var(--main);
            font-weight: 700;
            font-size: 1.4rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border);
            position: relative;
        }
.privacy-section h2::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 60px;
            height: 2px;
            background: var(--accent);
        }
.privacy-section p {
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 1rem;
        }
.privacy-section ul {
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
.privacy-section ul li {
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 0.5rem;
        }
.privacy-note {
            background: var(--soft-glow);
            border-left: 4px solid var(--accent);
            padding: 1.2rem 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
.privacy-note p {
            margin-bottom: 0.5rem;
        }
.privacy-note p:last-child {
            margin-bottom: 0;
        }
.last-updated {
            color: var(--main);
            font-style: italic;
            font-size: 0.9rem;
            margin-bottom: 2rem;
            display: block;
        }
.nav-link.active {
            color: var(--accent) !important;
            font-weight: 700;
        }
/* 覆盖 Bootstrap 样式 */
        .navbar, .navbar-brand, .navbar-toggler {
            background: var(--bg) !important;
            color: var(--text) !important;
        }
.navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%239f1239' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        }