:root {
  --primary: #db2777;
  --accent: #f43f5e;
  --bg: #fff1f5;
  --text: #500724;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow-soft: 0 8px 30px rgba(219, 39, 119, 0.08);
  --shadow-hover: 0 16px 40px rgba(219, 39, 119, 0.15);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  position: relative;
  overflow-x: hidden;
}

/* 点阵背景 */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: radial-gradient(circle, rgba(219, 39, 119, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

/* 细网格线 */
.grid-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: 
    linear-gradient(rgba(219, 39, 119, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(219, 39, 119, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.container { position: relative; z-index: 1; }

/* 导航栏 */
.navbar-custom {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 12px 24px;
  margin-top: 20px;
  box-shadow: var(--shadow-soft);
}

.navbar-brand {
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--primary) !important;
  letter-spacing: 0.02em;
}

.nav-link {
  color: var(--text) !important;
  font-weight: 500;
  margin: 0 4px;
  padding: 8px 16px !important;
  border-radius: 50px;
  transition: all 0.2s;
}

.nav-link:hover {
  background: rgba(219, 39, 119, 0.08);
  color: var(--primary) !important;
}

.navbar-toggler {
  border: none;
  color: var(--primary);
}

/* Hero 区块 */
.hero-section {
  padding: 80px 0 60px;
}

.hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 16px;
  font-family: 'Inter', sans-serif;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  background: linear-gradient(120deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(80, 7, 36, 0.75);
  max-width: 600px;
  margin-bottom: 30px;
  line-height: 1.7;
}

.btn-custom {
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s;
}

.btn-primary-custom {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(219, 39, 119, 0.3);
}

.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(219, 39, 119, 0.4);
  color: white;
}

.btn-outline-custom {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline-custom:hover {
  background: var(--primary);
  color: white;
}

/* 特色卡片 */
.feature-section {
  padding: 60px 0;
}

.section-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 40px;
}

.feature-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  height: 100%;
  border: 1px solid rgba(219, 39, 119, 0.06);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: white;
  margin-bottom: 18px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9rem;
  color: rgba(80, 7, 36, 0.7);
  line-height: 1.6;
  margin-bottom: 0;
}

/* 长文介绍 - 手风琴 */
.article-section {
  padding: 60px 0;
}

.accordion-custom {
  background: white;
  border-radius: var(--radius-lg);
  padding: 20px 28px;
  box-shadow: var(--shadow-soft);
  margin-bottom: 16px;
  border: 1px solid rgba(219, 39, 119, 0.06);
}

.accordion-custom .accordion-header {
  background: transparent;
}

.accordion-custom .accordion-button {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  background: transparent;
  box-shadow: none;
  padding: 16px 0;
  font-family: 'Inter', sans-serif;
}

.accordion-custom .accordion-button:not(.collapsed) {
  color: var(--primary);
  background: transparent;
}

.accordion-custom .accordion-button::after {
  color: var(--primary);
}

.accordion-custom .accordion-body {
  color: rgba(80, 7, 36, 0.75);
  font-size: 0.92rem;
  line-height: 1.7;
  padding: 0 0 16px;
}

/* FAQ 区块 */
.faq-section {
  padding: 60px 0;
}

.faq-item {
  background: white;
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-soft);
  margin-bottom: 16px;
  border-left: 4px solid var(--primary);
}

.faq-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.faq-item p {
  font-size: 0.9rem;
  color: rgba(80, 7, 36, 0.75);
  margin-bottom: 0;
  line-height: 1.6;
}

/* CTA 区块 */
.cta-section {
  padding: 80px 0;
}

.cta-box {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  color: white;
  box-shadow: 0 20px 50px rgba(219, 39, 119, 0.25);
}

.cta-box h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-box p {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 30px;
}

.btn-light-custom {
  background: white;
  color: var(--primary);
  border: none;
  padding: 14px 40px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s;
}

.btn-light-custom:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  color: var(--primary);
}

/* 友情链接 */
.friend-links {
  padding: 40px 0 20px;
}

.friend-links h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.friend-links .link-item {
  color: rgba(80, 7, 36, 0.6);
  font-size: 0.85rem;
  margin-right: 20px;
  text-decoration: none;
  transition: color 0.2s;
}

.friend-links .link-item:hover {
  color: var(--primary);
}

/* 页脚 */
.footer-custom {
  padding: 40px 0 30px;
  background: rgba(255, 255, 255, 0.6);
  border-top: 1px solid rgba(219, 39, 119, 0.1);
}

.footer-custom .footer-brand {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
}

.footer-custom .footer-text {
  color: rgba(80, 7, 36, 0.6);
  font-size: 0.85rem;
}

.footer-links a {
  color: rgba(80, 7, 36, 0.7);
  text-decoration: none;
  font-size: 0.85rem;
  margin-left: 20px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--primary);
}

/* 滚动动效 */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.card-delay-1 { transition-delay: 0.1s; }
.card-delay-2 { transition-delay: 0.2s; }
.card-delay-3 { transition-delay: 0.3s; }
.card-delay-4 { transition-delay: 0.4s; }

/* 响应式 */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .cta-box {
    padding: 40px 20px;
  }
  
  .cta-box h2 {
    font-size: 1.6rem;
  }
  
  .navbar-custom {
    margin-top: 10px;
    padding: 10px 16px;
  }
}

/* --- 子页面追加 --- */
/* 确保与首页变量一致, 并覆盖Bootstrap组件可能的默认白底 */
        .about-hero {
            background: linear-gradient(145deg, #fff1f5 0%, #ffe4ec 100%);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            box-shadow: var(--shadow-soft);
            margin-top: 2rem;
        }
.about-card-custom {
            background: #ffffffcc; /* 半透明白配合粉调 */
            backdrop-filter: blur(4px);
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            height: 100%;
            border: 1px solid #fbcfe8;
            transition: transform .2s, box-shadow .2s;
        }
.about-card-custom:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
.about-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }
.section-title-about {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            position: relative;
            display: inline-block;
        }
.section-title-about::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin-top: 10px;
        }
/* 导航高亮当前页 (关于我们) */
        .navbar-nav .nav-link.active-about {
            color: var(--primary) !important;
            font-weight: 700;
        }
/* 覆盖Bootstrap可能引入的卡片/表单白底 (我们这里只用了栅格，但以防万一) */
        .card, .card-body, .form-control, .list-group-item {
            background: transparent;
            color: var(--text);
            border-color: #fbcfe8;
        }
/* 页脚链接颜色 */
        .footer-links a {
            color: var(--text);
            opacity: .8;
            text-decoration: none;
            margin-right: 1.5rem;
        }
.about-text-muted {
            color: #7a2e4d;
        }

/* --- 子页面追加 --- */
/* 本页专属补充样式 */
        .guide-hero {
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
.guide-step-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px;
            height: 100%;
            box-shadow: var(--shadow-soft);
            transition: transform .3s ease, box-shadow .3s ease;
            border: 1px solid rgba(219,39,119,.06);
        }
.guide-step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
.guide-step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
.guide-tip-box {
            background: #fff;
            border-left: 4px solid var(--primary);
            border-radius: 12px;
            padding: 20px 24px;
            margin: 24px 0;
            box-shadow: var(--shadow-soft);
        }
.guide-table-wrap {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-soft);
            overflow-x: auto;
        }
.guide-table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: .95rem;
        }
.guide-table-wrap th,
        .guide-table-wrap td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid rgba(219,39,119,.08);
        }
.guide-table-wrap th {
            background: rgba(219,39,119,.05);
            color: var(--primary);
            font-weight: 600;
            white-space: nowrap;
        }
.guide-table-wrap tr:last-child td {
            border-bottom: none;
        }
.guide-key {
            display: inline-block;
            background: rgba(219,39,119,.08);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 6px;
            font-size: .85rem;
            font-weight: 600;
            margin: 0 2px;
        }
.guide-hero {
                padding: 50px 0 40px;
            }
.guide-step-card {
                padding: 20px;
                margin-bottom: 16px;
            }
.guide-table-wrap {
                padding: 16px;
            }

/* --- 子页面追加 --- */
/* 免责声明页专属小样式 */
        .disclaimer-hero { padding: 120px 0 60px; position: relative; }
.disclaimer-section { padding: 40px 0; }
.disclaimer-card { background: rgba(255,255,255,0.7); border-radius: var(--radius-lg); padding: 32px; margin-bottom: 24px; box-shadow: var(--shadow-soft); transition: all 0.3s ease; }
.disclaimer-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.disclaimer-card h2 { color: var(--primary); font-weight: 800; font-size: 1.5rem; margin-bottom: 16px; }
.disclaimer-card h3 { color: var(--primary); font-weight: 700; font-size: 1.2rem; margin-bottom: 12px; }
.disclaimer-card p, .disclaimer-card li { color: var(--text); line-height: 1.8; font-size: 0.95rem; }
.disclaimer-card ul, .disclaimer-card ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.disclaimer-card li { margin-bottom: 8px; }
.disclaimer-icon { font-size: 2rem; color: var(--primary); margin-bottom: 12px; }
.highlight-box { background: linear-gradient(135deg, rgba(219,39,119,0.08), rgba(244,63,94,0.08)); border-left: 4px solid var(--primary); border-radius: 12px; padding: 16px 20px; margin: 20px 0; }
.highlight-box p { margin: 0; color: var(--text); font-weight: 500; }
.btn-contact { background: var(--primary); color: #fff; border: none; padding: 10px 24px; border-radius: 50px; font-weight: 600; transition: all 0.3s ease; text-decoration: none; display: inline-block; }
.btn-contact:hover { background: var(--accent); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(219,39,119,0.3); }
.last-updated { font-size: 0.85rem; color: rgba(80,7,36,0.6); font-style: italic; margin-top: 8px; }
.disclaimer-toc { background: rgba(255,255,255,0.5); border-radius: var(--radius-md); padding: 20px 24px; margin-bottom: 30px; }
.disclaimer-toc h4 { color: var(--primary); font-weight: 700; margin-bottom: 12px; }
.disclaimer-toc a { color: var(--text); text-decoration: none; transition: color 0.2s; }
.disclaimer-toc a:hover { color: var(--primary); }

/* --- 子页面追加 --- */
/* 本页专属小样式：隐私政策页面的排版微调 */
    .privacy-hero { padding: 6rem 0 3rem; position: relative; }
.privacy-hero .hero-badge { background: rgba(219, 39, 119, 0.1); color: var(--primary); padding: 0.5rem 1.2rem; border-radius: 50px; display: inline-block; font-weight: 600; font-size: 0.85rem; letter-spacing: 0.5px; margin-bottom: 1.5rem; }
.privacy-hero h1 { font-size: 2.8rem; font-weight: 800; color: var(--text); line-height: 1.2; margin-bottom: 1.2rem; }
.privacy-hero p { color: #8a4b63; font-size: 1.1rem; max-width: 700px; }
.privacy-section { padding: 2.5rem 0; }
.privacy-section h2 { font-size: 1.6rem; font-weight: 700; color: var(--primary); margin-bottom: 1.2rem; padding-bottom: 0.6rem; border-bottom: 2px solid rgba(219, 39, 119, 0.15); }
.privacy-section h3 { font-size: 1.2rem; font-weight: 600; color: var(--text); margin-top: 1.5rem; margin-bottom: 0.8rem; }
.privacy-section p, .privacy-section li { color: var(--text); line-height: 1.8; font-size: 0.95rem; }
.privacy-section ul { padding-left: 1.2rem; margin-bottom: 1rem; }
.privacy-section ul li { margin-bottom: 0.5rem; }
.privacy-box { background: #fff; border-radius: var(--radius-md); padding: 2rem; box-shadow: var(--shadow-soft); margin-bottom: 1.5rem; }
.footer-link { color: var(--primary); text-decoration: none; }
.footer-link:hover { text-decoration: underline; }

/* --- 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:#500724 !important; border-color:rgba(0,0,0,.12) !important; }