/* ========== 设计变量 ========== */
    :root {
      --primary: #9f1239;
      --accent: #e11d48;
      --bg: #fafafa;
      --text: #3f0a1a;
      --border-color: rgba(159, 18, 57, 0.25);
      --gap: 3rem;
    }

    body {
      background-color: var(--bg);
      color: var(--text);
      font-family: 'Noto Sans SC', 'Inter', sans-serif;
      line-height: 1.9;
      font-weight: 400;
      overflow-x: hidden;
    }

    h1, h2, h3, h4, .font-serif {
      font-family: 'Noto Serif SC', serif;
      font-weight: 600;
      letter-spacing: 0.02em;
    }

    /* 无阴影 + 描边分割 */
    .no-shadow, .card, .table, .timeline-item {
      box-shadow: none !important;
      border: none;
    }

    .section-title {
      font-size: calc(1.8rem + 0.3vw);
      font-weight: 700;
      color: var(--primary);
      position: relative;
      padding-bottom: 0.5rem;
      border-bottom: 2px solid var(--border-color);
      margin-bottom: 2.5rem;
      display: inline-block;
    }

    .border-divider {
      border-top: 1px solid rgba(159, 18, 57, 0.2);
      margin: 2.5rem 0;
    }

    /* 导航链接 */
    .navbar {
      border-bottom: 1px solid var(--border-color);
      background: rgba(250, 250, 250, 0.9);
      backdrop-filter: blur(4px);
      padding: 0.8rem 0;
    }

    .navbar-brand {
      font-family: 'Noto Serif SC', serif;
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--primary) !important;
      letter-spacing: 2px;
    }

    .navbar .nav-link {
      color: var(--text) !important;
      font-weight: 500;
      margin: 0 0.5rem;
      transition: color 0.2s;
      border-bottom: 2px solid transparent;
    }

    .navbar .nav-link:hover {
      color: var(--accent) !important;
      border-bottom-color: var(--accent);
    }

    /* Hero 渐变 + 浮动装饰 */
    .hero-section {
      position: relative;
      background-color: var(--bg);
      padding: 6rem 0 5rem;
      overflow: hidden;
    }

    .hero-title {
      font-family: 'Noto Serif SC', serif;
      font-size: calc(3rem + 1.8vw);
      font-weight: 900;
      line-height: 1.2;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 80%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      margin-bottom: 1.5rem;
      letter-spacing: 0.02em;
    }

    .hero-para {
      font-size: 1.2rem;
      max-width: 620px;
      color: #5b2a3a;
    }

    /* 浮动装饰元素 */
    .floating-deco {
      position: absolute;
      top: 15%;
      right: 8%;
      width: 120px;
      height: 120px;
      border: 3px solid var(--border-color);
      border-radius: 50%;
      opacity: 0.4;
      animation: floatAnim 6s ease-in-out infinite;
    }

    .floating-deco::after {
      content: '';
      position: absolute;
      top: -25px;
      right: -25px;
      width: 60px;
      height: 60px;
      border: 2px solid var(--accent);
      border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
      opacity: 0.3;
    }

    .floating-deco-two {
      position: absolute;
      bottom: 10%;
      left: 5%;
      width: 70px;
      height: 70px;
      border: 2px solid var(--primary);
      border-radius: 20% 80% 20% 80% / 50% 40% 60% 50%;
      opacity: 0.2;
      animation: floatAnim 8s ease-in-out infinite reverse;
    }

    @keyframes floatAnim {
      0%, 100% { transform: translateY(0) rotate(0deg); }
      50% { transform: translateY(-20px) rotate(6deg); }
    }

    /* 时间线样式 */
    .timeline-wrapper {
      position: relative;
      padding-left: 2rem;
    }

    .timeline-wrapper::before {
      content: '';
      position: absolute;
      left: 10px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(to bottom, var(--primary), var(--accent), transparent);
    }

    .timeline-item {
      position: relative;
      margin-bottom: 2.5rem;
      padding-left: 2rem;
    }

    .timeline-item::before {
      content: '';
      position: absolute;
      left: -2.1rem;
      top: 0.4rem;
      width: 14px;
      height: 14px;
      background: var(--bg);
      border: 3px solid var(--primary);
      border-radius: 50%;
      transition: background 0.2s;
    }

    .timeline-item:hover::before {
      background: var(--accent);
    }

    /* 编号清单 */
    .step-list {
      counter-reset: step-counter;
      list-style: none;
      padding-left: 0;
    }

    .step-list li {
      counter-increment: step-counter;
      position: relative;
      padding-left: 3rem;
      margin-bottom: 1.8rem;
      border-bottom: 1px dashed var(--border-color);
      padding-bottom: 1.2rem;
      font-weight: 400;
    }

    .step-list li::before {
      content: counter(step-counter, decimal-leading-zero);
      position: absolute;
      left: 0;
      top: 0;
      font-family: 'Noto Serif SC', serif;
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--primary);
    }

    /* 对比表格 */
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      border: 2px solid var(--border-color);
    }

    .compare-table th, .compare-table td {
      padding: 1rem 1.2rem;
      border: 1px solid var(--border-color);
      background-color: rgba(255, 255, 255, 0.4);
    }

    .compare-table thead th {
      background-color: rgba(159, 18, 57, 0.08);
      font-weight: 600;
      color: var(--primary);
      font-family: 'Noto Serif SC', serif;
    }

    /* 滚动显现动画 */
    .fade-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.3, 1), transform 0.7s cubic-bezier(0.2, 0.7, 0.3, 1);
    }

    .fade-up.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* 图片 hover 放大 + 遮罩文字层 */
    .img-hover-wrapper {
      overflow: hidden;
      position: relative;
      display: block;
      border-radius: 0px; /* 无阴影无圆角 */
      background: #f0e6e6;
    }

    .img-hover-wrapper img {
      transition: transform 0.5s ease;
      width: 100%;
      height: auto;
      display: block;
    }

    .img-hover-wrapper .overlay-text {
      position: absolute;
      inset: 0;
      background: rgba(63, 10, 26, 0.7);
      color: #fff;
      display: flex;
      align-items: flex-end;
      padding: 1.5rem;
      opacity: 0;
      transition: opacity 0.4s;
      font-size: 0.95rem;
    }

    .img-hover-wrapper:hover img {
      transform: scale(1.08);
    }

    .img-hover-wrapper:hover .overlay-text {
      opacity: 1;
    }

    /* 友情链接区 */
    .friend-links {
      border-top: 2px solid var(--border-color);
      padding-top: 2rem;
      margin-top: 4rem;
    }

    .friend-links a {
      color: var(--primary);
      text-decoration: none;
      margin-right: 1.2rem;
    }

    footer {
      border-top: 1px solid var(--border-color);
      margin-top: 3rem;
      padding: 2.5rem 0;
      font-size: 0.9rem;
      color: #5b2a3a;
    }

    /* 视差 */
    .parallax-bg {
      background-attachment: fixed;
      background-position: center;
      background-repeat: no-repeat;
      background-size: cover;
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.6rem;
      }
      .timeline-wrapper {
        padding-left: 1.5rem;
      }
      .floating-deco {
        width: 70px;
        height: 70px;
        top: 5%;
        right: 5%;
      }
    }

/* --- 子页面追加 --- */
/* 覆盖 Bootstrap 可能引入的白底组件 */
        .card, .card-body, .card-title, .card-text, .card-header, .card-footer {
            background: var(--bg);
            color: var(--text);
            border-color: var(--border-color);
        }
.list-group-item {
            background: var(--bg);
            color: var(--text);
            border-color: var(--border-color);
        }
/* 本页专用 */
        .about-hero {
            position: relative;
            padding: 5rem 0 3.5rem;
            background: linear-gradient(135deg, rgba(159,18,57,0.05) 0%, rgba(225,29,72,0.08) 100%);
            border-bottom: 1px solid var(--border-color);
        }
.about-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
            color: var(--primary);
        }
.about-hero p {
            font-size: 1.15rem;
            color: var(--text);
            opacity: 0.85;
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.8;
        }
.milestone-card {
            background: rgba(255,255,255,0.4);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 2rem 1.8rem;
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.milestone-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 32px rgba(159,18,57,0.12);
        }
.milestone-card .year {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent);
            display: block;
            margin-bottom: 0.5rem;
        }
.milestone-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.75rem;
        }
.milestone-card p {
            font-size: 0.95rem;
            line-height: 1.7;
            color: var(--text);
            opacity: 0.85;
            margin: 0;
        }
.value-card {
            text-align: center;
            padding: 2rem 1.5rem;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            background: rgba(255,255,255,0.3);
            height: 100%;
            transition: border-color 0.3s;
        }
.value-card:hover {
            border-color: var(--accent);
        }
.value-card i {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 1rem;
        }
.value-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.75rem;
        }
.value-card p {
            font-size: 0.92rem;
            line-height: 1.7;
            color: var(--text);
            opacity: 0.8;
            margin: 0;
        }
.timeline-item .tl-time {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
.timeline-item h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0.35rem 0 0.5rem;
        }
.timeline-item p {
            font-size: 0.95rem;
            line-height: 1.75;
            color: var(--text);
            opacity: 0.85;
        }
.stat-box {
            text-align: center;
            padding: 1.5rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background: rgba(255,255,255,0.35);
        }
.stat-box .num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.2;
        }
.stat-box .label {
            font-size: 0.85rem;
            color: var(--text);
            opacity: 0.7;
            margin-top: 0.3rem;
        }

/* --- 子页面追加 --- */
.privacy-hero {
      background: linear-gradient(135deg, var(--bg) 0%, rgba(159,18,57,0.08) 100%);
      padding: 4rem 0 2.5rem;
      border-bottom: 1px solid var(--border-color);
    }
.privacy-hero h1 {
      font-size: 2.4rem;
      font-weight: 800;
      color: var(--text);
    }
.privacy-hero .lead {
      color: var(--text);
      opacity: 0.75;
      font-size: 1.05rem;
    }
.privacy-section {
      padding: 2.5rem 0;
    }
.privacy-section h2 {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 1.2rem;
      position: relative;
      padding-left: 1rem;
      border-left: 4px solid var(--accent);
    }
.privacy-section h3 {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--text);
      margin-top: 1.5rem;
      margin-bottom: 0.6rem;
    }
.privacy-section p, .privacy-section li {
      color: var(--text);
      opacity: 0.88;
      line-height: 1.8;
      font-size: 0.96rem;
    }
.privacy-section ul {
      padding-left: 1.2rem;
    }
.privacy-section ul li {
      margin-bottom: 0.4rem;
    }
.privacy-card {
      background: rgba(255,255,255,0.6);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 1.8rem;
      margin-bottom: 1.8rem;
      transition: box-shadow 0.3s ease;
    }
.privacy-card:hover {
      box-shadow: 0 8px 30px rgba(159,18,57,0.08);
    }
.privacy-tag {
      display: inline-block;
      background: var(--primary);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 0.2rem 0.8rem;
      border-radius: 20px;
      margin-bottom: 1rem;
      letter-spacing: 0.5px;
    }
.privacy-updated {
      font-size: 0.85rem;
      color: var(--text);
      opacity: 0.6;
      margin-top: 2rem;
      border-top: 1px solid var(--border-color);
      padding-top: 1.5rem;
    }
.privacy-hero h1 { font-size: 1.8rem; }
.privacy-card { padding: 1.2rem; }

/* --- 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:#3f0a1a !important; border-color:rgba(0,0,0,.12) !important; }
.accordion-button { background:rgba(0,0,0,.03) !important; color:#3f0a1a !important; }
.accordion-body { background:transparent !important; color:#3f0a1a !important; }
.accordion-header { background:transparent !important; }
