:root {
    --primary: #2563eb;
    --accent: #06b6d4;
    --bg: #f8fafc;
    --text: #0f172a;
    --radius-lg: 24px;
    --radius-md: 18px;
    --shadow-soft: 0 16px 40px -12px rgba(37, 99, 235, 0.18), 0 8px 24px -8px rgba(6, 182, 212, 0.12);
    --shadow-hover: 0 24px 48px -12px rgba(37, 99, 235, 0.28), 0 12px 28px -8px rgba(6, 182, 212, 0.18);
    --font-display: 'Inter', system-ui, -apple-system, sans-serif;
  }
  body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-display);
    line-height: 1.7;
    overflow-x: hidden;
  }
  h1, h2, h3, .display-font {
    font-weight: 800;
    letter-spacing: -0.02em;
  }
  /* 大圆角柔和风 */
  .hero-card, .section-block, .accordion-item, .feature-item, .nav-pills {
    border-radius: var(--radius-lg) !important;
  }
  .btn, .form-control, .card {
    border-radius: var(--radius-md) !important;
  }
  /* 弥散阴影 */
  .hero-card, .section-block, .feature-item, .accordion-item {
    box-shadow: var(--shadow-soft);
  }
  /* 波浪分割 */
  .wave-divider {
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    clip-path: ellipse(70% 100% at 50% 0%);
    margin-bottom: -1px;
  }
  .wave-divider-bottom {
    height: 80px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
    clip-path: ellipse(70% 100% at 50% 100%);
    margin-top: -1px;
  }
  /* 斜切装饰 */
  .skew-section {
    position: relative;
  }
  .skew-section::before {
    content: "";
    position: absolute;
    top: -30px; left: 0; right: 0;
    height: 60px;
    background: var(--bg);
    transform: skewY(-1.2deg);
    z-index: 1;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }
  /* 超大标题 */
  .display-3 {
    font-weight: 900;
    font-size: clamp(2.8rem, 6vw, 4rem);
    line-height: 1.1;
  }
  /* 渐变文字 */
  .gradient-text {
    background: linear-gradient(120deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  /* 浮动装饰 */
  .float-anim {
    animation: float 6s ease-in-out infinite;
  }
  @keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-14px); }
    100% { transform: translateY(0px); }
  }
  /* 卡片错落滚动渐显 */
  .reveal-card {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal-card.visible {
    opacity: 1;
    transform: translateY(0);
  }
  .delay-1 { transition-delay: 0.1s; }
  .delay-2 { transition-delay: 0.25s; }
  .delay-3 { transition-delay: 0.4s; }
  .delay-4 { transition-delay: 0.55s; }
  /* hover 效果 */
  .hover-lift {
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    border: 1px solid transparent;
  }
  .hover-lift:hover {
    transform: scale(1.02) translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent);
  }
  /* 手写/圆体感标题 */
  .font-cute {
    font-family: 'Inter', 'Comic Sans MS', 'Chalkboard SE', cursive;
    font-weight: 700;
    letter-spacing: -0.01em;
  }
  /* 导航背景 */
  .navbar-mq {
    background: rgba(248, 250, 252, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(37, 99, 235, 0.1);
  }
  .navbar-mq .nav-link {
    font-weight: 600;
    color: var(--text);
    margin: 0 0.5rem;
    border-radius: 50px;
    padding: 0.5rem 1rem !important;
    transition: background 0.2s;
  }
  .navbar-mq .nav-link:hover {
    background: rgba(37, 99, 235, 0.08);
  }
  .btn-accent {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border: none;
    color: white;
    font-weight: 600;
    padding: 0.75rem 1.8rem;
    box-shadow: 0 8px 20px -6px rgba(6, 182, 212, 0.5);
  }
  .btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px -6px rgba(6, 182, 212, 0.6);
    color: white;
  }
  .hero-bg-parallax {
    background-image: radial-gradient(circle at 30% 30%, rgba(6, 182, 212, 0.15), transparent 40%),
                      radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.12), transparent 40%);
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
  }
  /* 对比表格样式 */
  .compare-table th, .compare-table td {
    padding: 1.2rem 1rem;
    border-bottom: 1px solid rgba(37, 99, 235, 0.1);
    background: white;
  }
  .compare-table thead th {
    background: #f0f4ff;
    font-weight: 700;
  }
  .footer-links a {
    color: var(--text);
    text-decoration: none;
    margin: 0 0.8rem;
    font-weight: 500;
  }
  .footer-links a:hover {
    color: var(--primary);
  }
  .icon-circle {
    width: 60px; height: 60px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary);
  }
  /* FAQ */
  .accordion-button:not(.collapsed) {
    background: rgba(6, 182, 212, 0.05);
    color: var(--primary);
    font-weight: 600;
  }
  .accordion-button:focus {
    box-shadow: 0 0 0 0.2rem rgba(6, 182, 212, 0.2);
  }
  .bg-soft-primary { background: rgba(37, 99, 235, 0.03); }

/* --- 子页面追加 --- */
.about-hero {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(6, 182, 212, 0.06) 100%);
            padding: 80px 0 60px;
        }
.about-section {
            padding: 60px 0;
        }
.about-section-alt {
            background: rgba(37, 99, 235, 0.03);
        }
.story-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-soft);
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.story-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
.value-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            font-size: 24px;
            margin-bottom: 20px;
        }
.milestone-list {
            list-style: none;
            padding-left: 0;
            position: relative;
        }
.milestone-list::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            opacity: 0.2;
        }
.milestone-list li {
            padding-left: 48px;
            position: relative;
            margin-bottom: 28px;
        }
.milestone-list li::before {
            content: '';
            position: absolute;
            left: 11px;
            top: 8px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
        }
.principle-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 24px;
            border-left: 4px solid var(--primary);
            box-shadow: 0 4px 16px rgba(0,0,0,0.06);
            margin-bottom: 16px;
            transition: transform 0.3s ease;
        }
.principle-card:hover {
            transform: translateX(4px);
        }
.stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
.stat-label {
            color: #64748b;
            font-size: 0.95rem;
            margin-top: 8px;
        }
.about-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: var(--radius-lg);
            padding: 48px;
            color: white;
            text-align: center;
        }
.about-hero {
                padding: 48px 0 32px;
            }
.about-section {
                padding: 40px 0;
            }
.about-cta {
                padding: 32px 24px;
            }
.navbar-mq .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

/* --- 子页面追加 --- */
/* 保证所有组件与站点配色一致 */
    .card, .card-body, .card-title, .card-text, .card-header, .card-footer {
      background: #ffffff !important;
      color: var(--text) !important;
      border-color: #e2e8f0 !important;
    }
.list-group-item {
      background: #ffffff !important;
      color: var(--text) !important;
      border-color: #e2e8f0 !important;
    }
.accordion-item, .accordion-button {
      background: #ffffff !important;
      color: var(--text) !important;
    }
.form-control, .form-select {
      background: #ffffff !important;
      color: var(--text) !important;
      border-color: #cbd5e1 !important;
    }
.form-control::placeholder {
      color: #94a3b8 !important;
    }
.btn-light {
      background: #f1f5f9 !important;
      color: var(--text) !important;
      border-color: #cbd5e1 !important;
    }
.navbar, .navbar-brand, .nav-link {
      color: var(--text) !important;
    }
/* 导航高亮当前页 */
    .nav-link.active {
      color: var(--primary) !important;
      font-weight: 600;
    }
/* 小标题图标间距 */
    .section-icon {
      margin-right: 8px;
    }
/* 卡片hover效果沿用 */
    .hover-lift:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
/* 引用块样式 */
    .privacy-quote {
      border-left: 4px solid var(--primary);
      background: #f8fafc;
      padding: 1rem 1.5rem;
      border-radius: 0 16px 16px 0;
    }

/* --- 子页面追加 --- */
.disclaimer-section {
            padding: 4rem 0;
        }
.disclaimer-card {
            background: var(--bg);
            border: 1px solid rgba(37, 99, 235, 0.1);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow-soft);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.disclaimer-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
.disclaimer-card h2 {
            font-family: var(--font-display);
            font-weight: 800;
            color: var(--primary);
            font-size: 1.6rem;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
.disclaimer-card h2 i {
            color: var(--accent);
        }
.disclaimer-card p {
            color: var(--text);
            line-height: 1.8;
            font-size: 1.02rem;
            opacity: 0.9;
        }
.disclaimer-card ul {
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
.disclaimer-card ul li {
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 0.5rem;
            opacity: 0.9;
        }
.disclaimer-badge {
            display: inline-block;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(6, 182, 212, 0.1));
            color: var(--primary);
            border: 1px solid rgba(37, 99, 235, 0.2);
            border-radius: 50px;
            padding: 0.4rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
.last-updated {
            font-size: 0.9rem;
            color: var(--text);
            opacity: 0.6;
            text-align: right;
            margin-top: 2rem;
            font-style: italic;
        }
.hero-card {
            text-align: center;
            padding: 3rem 0 4rem;
            background: linear-gradient(180deg, rgba(37, 99, 235, 0.05) 0%, rgba(6, 182, 212, 0.02) 100%);
        }
.disclaimer-card {
                padding: 1.5rem;
            }
.disclaimer-card h2 {
                font-size: 1.3rem;
            }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#0f172a !important; border-color:rgba(0,0,0,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#0f172a !important; }
.accordion-body { background:transparent !important; color:#0f172a !important; }
.accordion-header { background:transparent !important; }