:root {
      --primary: #0891b2;
      --accent: #0ea5e9;
      --bg: #ecfeff;
      --text: #083344;
      --radius-xl: 24px;
      --radius-lg: 20px;
      --radius-md: 16px;
      --shadow-soft: 0 20px 40px -12px rgba(8, 145, 178, 0.18), 0 8px 24px -6px rgba(14, 165, 233, 0.12);
      --shadow-hover: 0 24px 48px -12px rgba(8, 145, 178, 0.30);
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      background-color: var(--bg);
      color: var(--text);
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* 思源黑体/宋体 模拟 (无外部引用，但用于风格) */
    h1, h2, h3, h4, .font-serif {
      font-family: 'Inter', 'Songti SC', 'SimSun', serif;
      font-weight: 700;
      letter-spacing: -0.02em;
    }

    .bg-dot-grid {
      background-image: radial-gradient(rgba(8, 145, 178, 0.12) 1px, transparent 1px);
      background-size: 24px 24px;
    }

    .btn-primary-custom {
      background-color: var(--primary);
      border: none;
      border-radius: 60px;
      padding: 12px 32px;
      font-weight: 600;
      color: white;
      box-shadow: 0 8px 20px rgba(8, 145, 178, 0.3);
      transition: all 0.25s ease;
    }
    .btn-primary-custom:hover {
      background-color: var(--accent);
      transform: scale(1.03);
      color: white;
    }

    .navbar-glass {
      background: rgba(236, 254, 255, 0.7);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(8, 145, 178, 0.15);
      padding-top: 12px;
      padding-bottom: 12px;
    }
    .navbar-brand {
      font-size: 1.9rem;
      font-weight: 800;
      color: var(--text) !important;
      letter-spacing: -0.02em;
    }
    .navbar-brand i {
      color: var(--primary);
      margin-right: 8px;
    }
    .nav-link-custom {
      font-weight: 500;
      color: var(--text) !important;
      margin: 0 12px;
      transition: 0.2s;
    }
    .nav-link-custom:hover { color: var(--primary) !important; }

    /* hero 打字机 */
    .typewriter {
      font-size: 3.8rem;
      font-weight: 900;
      line-height: 1.15;
      display: inline-block;
      white-space: nowrap;
      overflow: hidden;
      border-right: 0.08em solid var(--primary);
      max-width: fit-content;
      animation: typing 2.8s steps(30, end) forwards, blink-caret 0.8s step-end infinite;
      margin-bottom: 20px;
    }
    @keyframes typing {
      0% { width: 0; }
      100% { width: 100%; }
    }
    @keyframes blink-caret {
      50% { border-color: transparent; }
    }

    .hero-section {
      min-height: 90vh;
      display: flex;
      align-items: center;
      background: linear-gradient(135deg, #e0f7fa 0%, var(--bg) 80%);
      position: relative;
      padding: 120px 0 80px;
    }

    .section-padding { padding: 90px 0; }
    .card-radius {
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow-soft);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .card-radius:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-hover);
    }
    .grid-card-img {
      border-radius: var(--radius-lg);
      overflow: hidden;
      position: relative;
      background-color: #e2e8f0;
    }
    .grid-card-img img {
      width: 100%;
      height: 260px;
      object-fit: cover;
      transition: transform 0.5s ease;
      opacity: 0;
      animation: imageReveal 0.8s forwards;
    }
    .grid-card-img:hover img {
      transform: scale(1.06);
    }
    .img-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(8, 145, 178, 0.6), transparent 60%);
      opacity: 0;
      transition: opacity 0.3s;
      display: flex;
      align-items: flex-end;
      padding: 20px;
      color: white;
      font-weight: 600;
    }
    .grid-card-img:hover .img-overlay {
      opacity: 1;
    }
    @keyframes imageReveal {
      from { opacity: 0; filter: blur(4px); }
      to { opacity: 1; filter: blur(0); }
    }

    /* 卡片错落渐显 */
    .reveal-card {
      opacity: 0;
      transform: translateY(40px);
      transition: opacity 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.7s ease;
    }
    .reveal-card.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* 对比表格圆角 */
    .compare-table {
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      background: white;
    }
    .compare-table th, .compare-table td {
      padding: 18px 24px;
      vertical-align: middle;
      border-bottom: 1px solid #e6f7fa;
    }
    .compare-table th {
      background: var(--primary);
      color: white;
      font-weight: 600;
      font-size: 1.1rem;
    }
    .compare-table tr:last-child td { border-bottom: none; }

    .faq-item {
      border-radius: var(--radius-lg);
      background: white;
      padding: 24px;
      margin-bottom: 20px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    }
    .faq-item h4 i { color: var(--primary); margin-right: 12px; }

    .footer-links a {
      color: var(--text);
      text-decoration: none;
      margin: 0 12px;
      opacity: 0.8;
      transition: 0.2s;
    }
    .footer-links a:hover { opacity: 1; color: var(--primary); }

    .cta-box {
      background: linear-gradient(120deg, #0891b2, #0ea5e9);
      border-radius: var(--radius-xl);
      padding: 60px;
      color: white;
      box-shadow: var(--shadow-soft);
    }

    /* 响应式微调 */
    @media (max-width: 768px) {
      .typewriter { font-size: 2.4rem; white-space: normal; border-right: none; }
      .hero-section { padding-top: 100px; }
      .cta-box { padding: 30px; }
    }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .about-hero {
            position: relative;
            padding: 120px 0 80px;
            background: linear-gradient(135deg, rgba(8, 145, 178, 0.08) 0%, rgba(14, 165, 233, 0.12) 100%);
            overflow: hidden;
        }
.about-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
.about-hero-content {
            position: relative;
            z-index: 2;
        }
.about-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(8, 145, 178, 0.1);
            color: var(--primary);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(8, 145, 178, 0.2);
        }
.about-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 24px;
        }
.about-hero h1 span {
            color: var(--primary);
            position: relative;
        }
.about-hero p {
            font-size: 1.15rem;
            color: rgba(8, 51, 68, 0.8);
            max-width: 600px;
            line-height: 1.8;
        }
.about-section {
            padding: 80px 0;
        }
.about-section:nth-child(even) {
            background: rgba(8, 145, 178, 0.03);
        }
.section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
.section-label i {
            font-size: 1rem;
        }
.about-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 24px;
            line-height: 1.3;
        }
.about-section h2 span {
            color: var(--primary);
        }
.about-text {
            color: rgba(8, 51, 68, 0.85);
            line-height: 1.8;
            font-size: 1.05rem;
        }
.about-text p {
            margin-bottom: 16px;
        }
.about-list {
            margin-top: 20px;
        }
.about-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            margin-bottom: 12px;
            color: rgba(8, 51, 68, 0.85);
            line-height: 1.6;
        }
.about-list li i {
            color: var(--primary);
            margin-top: 4px;
            font-size: 0.95rem;
        }
.feature-item {
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid rgba(8, 145, 178, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px;
            height: 100%;
            transition: all 0.3s ease;
            backdrop-filter: blur(8px);
        }
.feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-soft);
            border-color: rgba(8, 145, 178, 0.3);
        }
.feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: #fff;
            font-size: 1.3rem;
            box-shadow: 0 8px 20px -4px rgba(8, 145, 178, 0.35);
        }
.feature-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
.feature-item p {
            color: rgba(8, 51, 68, 0.75);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
.timeline {
            position: relative;
            padding-left: 32px;
            margin-top: 32px;
        }
.timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
            opacity: 0.3;
        }
.timeline-item {
            position: relative;
            padding-bottom: 32px;
            padding-left: 24px;
        }
.timeline-item:last-child {
            padding-bottom: 0;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg);
            box-shadow: 0 0 0 2px var(--primary);
        }
.timeline-year {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            display: block;
        }
.timeline-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
.timeline-item p {
            color: rgba(8, 51, 68, 0.8);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
.cta-section {
            padding: 60px 0 80px;
        }
.cta-box::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            pointer-events: none;
        }
.cta-box h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
.cta-box p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.1rem;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
.cta-btn {
            display: inline-block;
            background: #fff;
            color: var(--primary);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            text-decoration: none;
            transition: all 0.3s ease;
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }
.cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }
.about-hero {
                padding: 80px 0 60px;
            }
.about-hero h1 {
                font-size: 2.2rem;
            }
.about-section h2 {
                font-size: 1.6rem;
            }
.cta-box h2 {
                font-size: 1.6rem;
            }

/* --- 子页面追加 --- */
.disclaimer-section { padding: 80px 0; }
.disclaimer-card {
            background: rgba(255,255,255,0.6);
            border: 1px solid rgba(8,145,178,0.15);
            border-radius: var(--radius-lg);
            padding: 32px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-soft);
            backdrop-filter: blur(4px);
        }
.disclaimer-card h2 {
            color: var(--primary);
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
.disclaimer-card h2 i {
            font-size: 1.3rem;
            color: var(--accent);
        }
.disclaimer-card p, .disclaimer-card li {
            color: var(--text);
            font-size: 0.95rem;
            line-height: 1.8;
        }
.disclaimer-card ul, .disclaimer-card ol {
            padding-left: 1.2rem;
            margin-bottom: 12px;
        }
.disclaimer-card li { margin-bottom: 6px; }
.highlight-badge {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 30px;
            display: inline-block;
            margin-bottom: 12px;
        }
.last-updated {
            display: block;
            font-size: 0.85rem;
            color: rgba(8,51,68,0.6);
            margin-bottom: 12px;
        }
.contact-box {
            background: linear-gradient(135deg, rgba(8,145,178,0.1), rgba(14,165,233,0.1));
            border: 1px dashed var(--primary);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-top: 16px;
        }
.contact-box a { color: var(--primary); font-weight: 600; }
.contact-box a:hover { color: var(--accent); }
.disclaimer-card { padding: 20px; }
.disclaimer-card h2 { font-size: 1.2rem; }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.card { background:rgba(0,0,0,.03) !important; color:#083344 !important; border-color:rgba(0,0,0,.12) !important; }
.card-body { background:transparent !important; color:#083344 !important; }
.card-title { color:#083344 !important; }
.card-text { color:#083344 !important; }
.table { color:#083344 !important; border-color:rgba(0,0,0,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#083344 !important; }