:root {
  --primary: #ea580c;
  --accent: #d97706;
  --bg-soft: #fffbf5;
  --ink: #1c1917;
  --radius-lg: 24px;
  --radius-md: 18px;
  --shadow-soft: 0 20px 40px -16px rgba(234, 88, 12, 0.15), 0 8px 24px -8px rgba(28, 25, 23, 0.08);
  --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
  background: var(--bg-soft);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
  letter-spacing: 0.02em;
  background-image: radial-gradient(#e4ddd0 1px, transparent 1px);
  background-size: 24px 24px;
  padding-top: 72px;
}

h1, h2, h3, h4, h5, h6, .display-3, .display-4, .display-5, .display-6 {
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #1f1a17;
}

/* 导航吸顶 + 半透明 */
.navbar-custom {
  backdrop-filter: blur(14px);
  background: rgba(255, 251, 245, 0.85) !important;
  border-bottom: 1px solid rgba(234, 88, 12, 0.1);
  transition: background 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 8px 20px -18px rgba(234, 88, 12, 0.3);
}
.navbar-brand {
  font-weight: 800;
  font-size: 1.7rem;
  font-family: var(--font-title);
  color: var(--primary) !important;
  letter-spacing: 0.04em;
}
.navbar-brand i {
  color: var(--accent);
  margin-right: 8px;
}
.nav-link {
  font-weight: 500;
  color: #2d2a26 !important;
  margin-left: 0.8rem;
  margin-right: 0.8rem;
  transition: color 0.2s;
  border-radius: 40px;
  padding: 0.4rem 1rem !important;
}
.nav-link:hover {
  color: var(--primary) !important;
  background: rgba(234, 88, 12, 0.06);
}

/* 通用圆角+阴影 */
.bento-card {
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(234, 88, 12, 0.04);
  padding: 2rem 1.5rem;
  height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.bento-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 30px 50px -20px rgba(234, 88, 12, 0.25);
}

/* 错落渐显动效 */
.reveal-card {
  opacity: 0;
  transform: translateY(30px);
  animation: cardUp 0.7s ease forwards;
}
@keyframes cardUp {
  to { opacity: 1; transform: translateY(0); }
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* 按钮光泽 */
.btn-glow {
  position: relative;
  overflow: hidden;
  z-index: 1;
  border: none;
  border-radius: 60px;
  font-weight: 600;
  padding: 0.8rem 2.2rem;
  transition: all 0.3s;
}
.btn-primary-custom {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  box-shadow: 0 12px 24px -12px rgba(234, 88, 12, 0.6);
}
.btn-primary-custom::after {
  content: '';
  position: absolute;
  top: 0;
  left: -80%;
  width: 40%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.3), transparent);
  transform: skewX(-20deg);
  transition: left 0.5s ease;
  z-index: 2;
}
.btn-primary-custom:hover::after {
  left: 120%;
}
.btn-outline-custom {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}
.btn-outline-custom:hover {
  background: var(--primary);
  color: white;
  box-shadow: 0 10px 20px -10px rgba(234, 88, 12, 0.4);
}

/* 图标列表 */
.icon-list-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.6rem;
}
.icon-list-item .icon-box {
  min-width: 48px;
  height: 48px;
  background: rgba(234, 88, 12, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
}
.icon-list-item p {
  margin-bottom: 0;
}

/* 手风琴自定义 */
.accordion-custom .accordion-item {
  border: none;
  border-radius: 18px !important;
  background: #fff;
  margin-bottom: 1rem;
  box-shadow: 0 4px 12px -6px rgba(0,0,0,0.04);
  overflow: hidden;
}
.accordion-custom .accordion-button {
  border-radius: 18px !important;
  background: #fff;
  font-weight: 600;
  color: #1c1917;
  font-family: var(--font-title);
  padding: 1.2rem 1.5rem;
  box-shadow: none !important;
}
.accordion-custom .accordion-button:not(.collapsed) {
  background: #fef3e7;
  color: var(--primary);
}

/* 友链区 */
.friendly-links {
  background: #ffffffd5;
  border-radius: 28px;
  padding: 2rem 2rem;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(234, 88, 12, 0.1);
}
.link-item {
  color: var(--primary);
  font-weight: 500;
  margin-right: 1.5rem;
  text-decoration: none;
  border-bottom: 2px dotted transparent;
}
.link-item:hover {
  border-bottom-color: var(--primary);
}

/* 页脚 */
.footer-area {
  background: #fffaf2;
  border-top: 1px solid rgba(234, 88, 12, 0.1);
}

/* Hero */
.hero-section {
  padding: 3rem 0 2rem;
}
.hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.hero-sub {
  color: #57534e;
  max-width: 700px;
}

/* 点缀点阵 */
.dot-matrix {
  background-image: radial-gradient(var(--primary) 0.8px, transparent 0.8px);
  background-size: 20px 20px;
  opacity: 0.1;
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* 响应式 */
@media (max-width: 768px) {
  .hero-title { font-size: 2.4rem; }
  .navbar-brand { font-size: 1.4rem; }
  body { padding-top: 64px; }
}

/* --- 子页面追加 --- */
/* 本页专属微调——仅补充,不覆盖站点主样式 */
        .about-hero {
            background: linear-gradient(135deg, rgba(234, 88, 12, 0.06) 0%, rgba(255, 251, 245, 0.9) 60%);
            border-bottom: 1px solid rgba(234, 88, 12, 0.12);
        }
.about-card {
            background: var(--bg-soft);
            border: 1px solid rgba(234, 88, 12, 0.12);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: transform .25s ease, box-shadow .25s ease;
            height: 100%;
        }
.about-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-soft);
        }
.about-card .icon-badge {
            width: 52px; height: 52px;
            background: var(--primary);
            color: #fff;
            border-radius: 14px;
            display: flex; align-items: center; justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 1.1rem;
        }
.timeline-list {
            list-style: none; padding-left: 0;
        }
.timeline-list li {
            position: relative;
            padding-left: 2.2rem;
            padding-bottom: 1.4rem;
            border-left: 2px dashed rgba(234, 88, 12, 0.35);
            margin-left: 0.6rem;
        }
.timeline-list li:last-child {
            border-left-color: transparent;
            padding-bottom: 0;
        }
.timeline-list li::before {
            content: '';
            position: absolute;
            left: -8px; top: 2px;
            width: 14px; height: 14px;
            background: var(--primary);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(234, 88, 12, 0.18);
        }
.timeline-list .time-tag {
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 700;
            letter-spacing: 0.5px;
        }
.stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
.stat-label {
            font-size: 0.9rem;
            color: var(--ink);
            opacity: 0.7;
            margin-top: 4px;
        }
.quote-block {
            background: rgba(234, 88, 12, 0.04);
            border-left: 4px solid var(--primary);
            padding: 1.2rem 1.5rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--ink);
        }

/* --- 子页面追加 --- */
/* 确保品牌名连续不被图标拆分 */
    .navbar-brand i { margin-right: 4px; }
/* 覆盖bootstrap可能带来的白底（保险措施） */
    .card, .card-body, .list-group-item, .accordion-item, .accordion-button, .accordion-body,
    .form-control, .modal-content {
      background-color: transparent !important;
      color: var(--ink) !important;
      border-color: rgba(28,25,23,0.08) !important;
    }
/* 小标题品牌化修饰 */
    .section-brand-title {
      font-family: var(--font-title);
      font-weight: 700;
      color: var(--primary);
      border-left: 5px solid var(--accent);
      padding-left: 1rem;
      margin-top: 2.5rem;
      margin-bottom: 1.25rem;
    }
.legal-card {
      background: rgba(255,251,245,0.6);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(234,88,12,0.1);
      transition: 0.2s ease;
      height: 100%;
    }
.legal-card:hover {
      background: rgba(255,251,245,0.9);
      border-color: rgba(234,88,12,0.25);
    }
.legal-card h3 {
      font-family: var(--font-title);
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
.legal-card h3 i {
      color: var(--accent);
      font-size: 1.3rem;
    }
.legal-card p, .legal-card li {
      color: rgba(28,25,23,0.85);
      font-size: 0.98rem;
      line-height: 1.8;
    }
.legal-card ul {
      padding-left: 1.2rem;
    }
.legal-card li {
      margin-bottom: 0.4rem;
    }
.dot-matrix-light {
      background-image: radial-gradient(rgba(234,88,12,0.08) 1px, transparent 1px);
      background-size: 18px 18px;
    }
.footer-area a { color: var(--ink); opacity: 0.75; text-decoration: none; }
.footer-area a:hover { opacity: 1; color: var(--primary); }

/* --- 子页面追加 --- */
.privacy-section {
      max-width: 900px;
      margin: 0 auto;
      padding: 20px 0 60px;
    }
.privacy-block {
      background: var(--bg-soft);
      border-radius: var(--radius-lg);
      padding: 32px 36px;
      margin-bottom: 28px;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(234, 88, 12, 0.1);
    }
.privacy-block h2 {
      font-family: var(--font-title);
      font-weight: 900;
      color: var(--primary);
      font-size: 1.55rem;
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
.privacy-block h2 i {
      font-size: 1.3rem;
      color: var(--accent);
    }
.privacy-block p, .privacy-block li {
      font-family: var(--font-body);
      color: var(--ink);
      line-height: 1.9;
      font-size: 0.98rem;
    }
.privacy-block ul {
      padding-left: 20px;
      margin-bottom: 12px;
    }
.privacy-block ul li {
      margin-bottom: 8px;
      padding-left: 6px;
    }
.highlight-box {
      background: rgba(234, 88, 12, 0.06);
      border-left: 4px solid var(--primary);
      border-radius: 0 14px 14px 0;
      padding: 16px 20px;
      margin: 18px 0;
      font-family: var(--font-body);
      font-size: 0.95rem;
      color: var(--ink);
    }
.update-date {
      display: inline-block;
      background: var(--primary);
      color: #fff;
      padding: 4px 14px;
      border-radius: 30px;
      font-size: 0.82rem;
      font-weight: 500;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }
.privacy-hero {
      background: linear-gradient(135deg, rgba(234,88,12,0.08) 0%, rgba(217,119,6,0.05) 100%);
      border-radius: var(--radius-lg);
      padding: 48px 40px;
      margin-bottom: 40px;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(234,88,12,0.12);
    }
.privacy-hero h1 {
      font-family: var(--font-title);
      font-weight: 900;
      font-size: 2.2rem;
      color: var(--ink);
      margin-bottom: 16px;
      position: relative;
      z-index: 1;
    }
.privacy-hero h1 span {
      color: var(--primary);
    }
.privacy-hero p {
      font-family: var(--font-body);
      color: #57534e;
      font-size: 1.05rem;
      line-height: 1.8;
      max-width: 700px;
      position: relative;
      z-index: 1;
    }
.privacy-hero { padding: 32px 24px; }
.privacy-hero h1 { font-size: 1.7rem; }
.privacy-block { padding: 24px 20px; }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-header { background:transparent !important; }