/* 栖屿家居 · iOS 26 液态玻璃设计系统 */
:root {
  /* 主色系 —— 淘宝橙红 + 多彩点缀 */
  --color-primary: #ff4400;         /* 淘宝主橙红 */
  --color-primary-deep: #cc3400;
  --color-primary-soft: #ffb896;
  --color-accent: #f8b500;          /* 金黄点缀 */
  --color-accent-soft: #ffe8a8;

  /* 中性色 */
  --color-ink: #2b2a26;
  --color-ink-2: #4a4842;
  --color-muted: #85817a;
  --color-line: #f0e6dd;
  --color-line-soft: #faf1e8;

  /* 背景层 */
  --bg-base: #fff8f2;                /* 淡橙米白基底 */
  --bg-soft: #fff0e4;
  --bg-glass-white: rgba(255, 254, 250, 0.62);
  --bg-glass-white-strong: rgba(255, 254, 250, 0.88);
  --bg-glass-cream: rgba(255, 240, 228, 0.5);

  /* 阴影层 */
  --shadow-soft: 0 4px 20px rgba(255, 68, 0, 0.06);
  --shadow-card: 0 8px 32px rgba(204, 52, 0, 0.10), inset 0 1px 0 rgba(255,255,255,0.55);
  --shadow-hover: 0 16px 48px rgba(204, 52, 0, 0.16), inset 0 1px 0 rgba(255,255,255,0.7);
  --shadow-deep: 0 20px 60px rgba(204, 52, 0, 0.22);

  /* 圆角池 */
  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 24px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "HarmonyOS Sans", "Segoe UI", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "Consolas", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--color-ink);
  line-height: 1.65;
  font-size: 15px;
  background:
    radial-gradient(1200px 800px at 15% -10%, rgba(255, 184, 150, 0.32), transparent 70%),
    radial-gradient(1000px 700px at 90% 10%, rgba(255, 232, 168, 0.38), transparent 65%),
    radial-gradient(900px 600px at 50% 100%, rgba(248, 181, 0, 0.12), transparent 60%),
    var(--bg-base);
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--color-primary-deep); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-accent); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* ============ 顶部信息横条 ============ */
.top-bar {
  background: linear-gradient(90deg, var(--color-primary-deep), var(--color-primary));
  color: #fdfbf4;
  font-size: 12.5px;
  padding: 8px 0;
  text-align: center;
  letter-spacing: 0.3px;
}
.top-bar span { margin: 0 14px; opacity: 0.95; }
.top-bar .dot { opacity: 0.5; }

/* ============ 导航（玻璃） ============ */
.nav-wrap {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 247, 240, 0.72);
  backdrop-filter: blur(28px) saturate(200%);
  -webkit-backdrop-filter: blur(28px) saturate(200%);
  border-bottom: 1px solid rgba(230, 226, 217, 0.4);
  transition: background .3s;
}
.nav {
  max-width: 1240px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
}
.nav-brand {
  font-size: 18px; font-weight: 700; color: var(--color-primary-deep);
  letter-spacing: 0.5px; display: flex; align-items: center; gap: 8px;
}
.nav-brand-sub { font-size: 11px; color: var(--color-muted); font-weight: 400; letter-spacing: 1px; }
.nav-menu { display: flex; gap: 6px; list-style: none; }
.nav-menu a {
  padding: 8px 14px; border-radius: var(--r-pill); font-size: 14px;
  color: var(--color-ink-2); transition: all .2s;
}
.nav-menu a:hover, .nav-menu a.active { background: rgba(122, 143, 106, 0.12); color: var(--color-primary-deep); }
.nav-tools { display: flex; gap: 8px; align-items: center; }
.nav-search {
  display: flex; align-items: center; gap: 6px;
  background: rgba(255, 253, 246, 0.7); border: 1px solid var(--color-line);
  border-radius: var(--r-pill); padding: 6px 14px; font-size: 13px; color: var(--color-muted);
  min-width: 180px; cursor: text;
}
.nav-cart, .nav-user {
  position: relative;
  padding: 8px 12px; border-radius: var(--r-pill);
  background: rgba(255, 253, 246, 0.7); border: 1px solid var(--color-line);
  font-size: 13px; color: var(--color-ink-2);
  display: flex; align-items: center; gap: 6px;
}
.nav-cart:hover, .nav-user:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.cart-badge {
  position: absolute; top: -6px; right: -6px;
  background: var(--color-accent); color: #fff;
  min-width: 18px; height: 18px; border-radius: 9px;
  font-size: 11px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; padding: 0 5px;
}

/* ============ 通用容器 ============ */
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section-title { font-size: 28px; font-weight: 700; color: var(--color-ink); margin-bottom: 12px; letter-spacing: 0.3px; }
.section-desc { font-size: 15px; color: var(--color-muted); margin-bottom: 40px; max-width: 620px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 32px; flex-wrap: wrap; gap: 16px; }
.section-head-left h2 { font-size: 26px; font-weight: 700; margin-bottom: 6px; }
.section-head-left p { color: var(--color-muted); font-size: 14px; }
.link-more { color: var(--color-primary-deep); font-size: 14px; font-weight: 500; }
.link-more:hover { color: var(--color-accent); }

/* ============ Hero 主视觉 ============ */
.hero {
  padding: 60px 0 40px;
  position: relative;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero-badge {
  display: inline-block; padding: 6px 14px; border-radius: var(--r-pill);
  background: rgba(217, 119, 87, 0.14); color: var(--color-accent);
  font-size: 12.5px; font-weight: 600; margin-bottom: 18px; letter-spacing: 0.5px;
}
.hero h1 {
  font-size: 44px; font-weight: 700; color: var(--color-ink);
  line-height: 1.2; margin-bottom: 20px; letter-spacing: -0.5px;
}
.hero h1 em { font-style: normal; color: var(--color-primary-deep); position: relative; }
.hero h1 em::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 2px; height: 8px;
  background: linear-gradient(90deg, rgba(217, 119, 87, 0.28), rgba(184, 201, 166, 0.3));
  z-index: -1; border-radius: 4px;
}
.hero-lead { font-size: 16px; color: var(--color-ink-2); margin-bottom: 30px; max-width: 500px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-image { position: relative; }
.hero-image img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  border-radius: var(--r-xl); box-shadow: var(--shadow-deep);
}
.hero-badges {
  position: absolute; bottom: -20px; left: 20px; right: 20px;
  display: flex; gap: 10px; flex-wrap: wrap;
}
.hero-tag {
  padding: 8px 14px; border-radius: var(--r-pill);
  background: var(--bg-glass-white-strong);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.6);
  font-size: 12.5px; color: var(--color-ink); font-weight: 500;
  box-shadow: var(--shadow-soft);
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 24px; border-radius: var(--r-pill);
  font-size: 14px; font-weight: 600; letter-spacing: 0.3px;
  transition: all .2s ease-out;
  border: 1px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-deep));
  color: #fff;
  box-shadow: 0 4px 16px rgba(122, 143, 106, 0.35), inset 0 1px 0 rgba(255,255,255,0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(122, 143, 106, 0.45), inset 0 1px 0 rgba(255,255,255,0.3); color: #fff; }
.btn-ghost {
  background: rgba(255, 253, 246, 0.6); color: var(--color-primary-deep);
  border: 1px solid var(--color-line);
  backdrop-filter: blur(14px);
}
.btn-ghost:hover { background: rgba(122, 143, 106, 0.08); border-color: var(--color-primary-soft); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 15px; }
.btn-accent { background: linear-gradient(135deg, var(--color-accent), #c85f42); color: #fff; box-shadow: 0 4px 16px rgba(217, 119, 87, 0.35); }

/* ============ 玻璃卡片基础 ============ */
.glass {
  background: var(--bg-glass-white);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: var(--shadow-card);
}

/* ============ 12 种卡片风格 ============ */

/* 1. 大字数字卡（数据统计） */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card {
  padding: 28px 24px; border-radius: var(--r-lg);
  background: var(--bg-glass-white);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.5);
  box-shadow: var(--shadow-soft);
  transition: transform .3s, box-shadow .3s;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.stat-num { font-size: 40px; font-weight: 700; color: var(--color-primary-deep); letter-spacing: -1px; margin-bottom: 6px; }
.stat-num span { font-size: 20px; color: var(--color-accent); margin-left: 2px; }
.stat-label { font-size: 13.5px; color: var(--color-muted); }

/* 2. 分类卡（图上文下） */
.cat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.cat-card {
  padding: 22px 14px; border-radius: var(--r-md);
  background: var(--bg-glass-cream);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.4);
  text-align: center;
  transition: all .3s;
}
.cat-card:hover { transform: translateY(-6px); background: var(--bg-glass-white-strong); box-shadow: var(--shadow-card); }
.cat-icon {
  width: 52px; height: 52px; margin: 0 auto 12px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-soft), var(--color-accent-soft));
  font-size: 22px;
}
.cat-name { font-size: 14.5px; font-weight: 600; color: var(--color-ink); }
.cat-count { font-size: 12px; color: var(--color-muted); margin-top: 4px; }

/* 3. 商品卡（图上文下） */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product-card {
  border-radius: var(--r-lg);
  background: rgba(255, 253, 246, 0.75);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(255,255,255,0.5);
  box-shadow: var(--shadow-soft);
  transition: all .3s;
  overflow: hidden;
  display: flex; flex-direction: column;
  position: relative;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.product-img {
  width: 100%; aspect-ratio: 1; object-fit: cover;
  transition: transform .5s;
}
.product-card:hover .product-img { transform: scale(1.04); }
.product-body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex-grow: 1; }
.product-name { font-size: 15px; font-weight: 600; margin-bottom: 6px; color: var(--color-ink); min-height: 44px; }
.product-desc { font-size: 12.5px; color: var(--color-muted); margin-bottom: 12px; min-height: 32px; }
.product-price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 12px; }
.price-now { font-size: 22px; font-weight: 700; color: var(--color-accent); }
.price-now::before { content: '¥'; font-size: 14px; margin-right: 2px; font-weight: 500; }
.price-orig { font-size: 12.5px; color: var(--color-muted); text-decoration: line-through; }
.price-orig::before { content: '¥'; }
.product-meta { display: flex; align-items: center; justify-content: space-between; font-size: 11.5px; color: var(--color-muted); margin-bottom: 10px; }
.product-actions { display: flex; gap: 8px; margin-top: auto; }
.product-actions .btn { flex: 1; padding: 9px 12px; font-size: 13px; }
.product-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  padding: 4px 10px; border-radius: var(--r-pill);
  font-size: 11px; font-weight: 600;
  backdrop-filter: blur(10px);
}
.product-badge.hot { background: rgba(217, 119, 87, 0.9); color: #fff; }
.product-badge.new { background: rgba(122, 143, 106, 0.9); color: #fff; }

/* 4. 左色条卡（FAQ / 承诺） */
.pledge-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pledge-card {
  padding: 22px 22px 22px 26px;
  border-radius: var(--r-md);
  background: var(--bg-glass-white);
  backdrop-filter: blur(20px);
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-soft);
  transition: all .3s;
}
.pledge-card:hover { border-left-color: var(--color-accent); transform: translateX(4px); }
.pledge-icon { font-size: 26px; margin-bottom: 10px; }
.pledge-title { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.pledge-desc { font-size: 13px; color: var(--color-muted); line-height: 1.6; }

/* 5. 步骤流程卡 */
.step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
.step-card {
  padding: 26px 22px; border-radius: var(--r-lg);
  background: var(--bg-glass-white);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.4);
  box-shadow: var(--shadow-soft);
  position: relative;
}
.step-num {
  position: absolute; top: -14px; right: 18px;
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), #c85f42);
  color: #fff; font-weight: 700; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(217, 119, 87, 0.35);
}
.step-title { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.step-desc { font-size: 13px; color: var(--color-muted); }

/* 6. 时间轴卡 */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: ''; position: absolute; left: 8px; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
}
.timeline-item { position: relative; padding: 12px 0 20px 0; }
.timeline-item::before {
  content: ''; position: absolute; left: -30px; top: 18px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--color-primary); border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--color-primary-soft);
}
.timeline-date { font-size: 13px; color: var(--color-accent); font-weight: 600; margin-bottom: 4px; }
.timeline-title { font-size: 15.5px; font-weight: 600; margin-bottom: 4px; }
.timeline-desc { font-size: 13.5px; color: var(--color-muted); line-height: 1.65; }

/* 7. 引用型口碑卡 */
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.review-card {
  padding: 26px; border-radius: var(--r-lg);
  background: var(--bg-glass-cream);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.4);
  box-shadow: var(--shadow-soft);
  position: relative;
}
.review-card::before {
  content: '\201C'; position: absolute; top: 10px; left: 20px;
  font-size: 60px; color: var(--color-primary-soft); font-family: Georgia, serif;
  line-height: 1;
}
.review-text { font-size: 14px; color: var(--color-ink-2); line-height: 1.75; margin: 22px 0 20px; padding-left: 6px; }
.review-meta { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-soft), var(--color-accent-soft));
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; color: var(--color-primary-deep);
}
.review-user { font-size: 13.5px; font-weight: 600; }
.review-stars { color: #e8a952; font-size: 13px; letter-spacing: 1px; }
.review-date { font-size: 11.5px; color: var(--color-muted); margin-left: auto; }

/* 8. 详情页布局 */
.detail-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 44px; margin: 40px 0; }
.detail-img-main {
  width: 100%; border-radius: var(--r-xl); box-shadow: var(--shadow-deep);
  aspect-ratio: 1; object-fit: cover;
}
.detail-title { font-size: 30px; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.3px; }
.detail-badges { display: flex; gap: 8px; margin-bottom: 18px; }
.detail-badge {
  padding: 5px 12px; border-radius: var(--r-pill);
  background: rgba(217, 119, 87, 0.14); color: var(--color-accent);
  font-size: 12px; font-weight: 600;
}
.detail-price-block {
  padding: 22px 24px; border-radius: var(--r-lg);
  background: linear-gradient(135deg, rgba(217, 119, 87, 0.08), rgba(122, 143, 106, 0.06));
  border: 1px solid rgba(255,255,255,0.5);
  backdrop-filter: blur(20px);
  margin-bottom: 24px;
}
.detail-price-row { display: flex; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.detail-price-now { font-size: 36px; font-weight: 700; color: var(--color-accent); }
.detail-price-now::before { content: '¥'; font-size: 20px; margin-right: 3px; }
.detail-price-orig { font-size: 14px; color: var(--color-muted); text-decoration: line-through; }
.detail-price-orig::before { content: '¥'; }
.detail-lead { font-size: 15px; color: var(--color-ink-2); margin-bottom: 22px; line-height: 1.7; }
.detail-sells { list-style: none; margin: 0 0 24px; padding: 0; }
.detail-sells li {
  padding: 8px 0 8px 24px; position: relative; font-size: 14px; color: var(--color-ink-2);
}
.detail-sells li::before {
  content: '✓'; position: absolute; left: 0; top: 8px;
  color: var(--color-primary); font-weight: 700;
}
.detail-cta { display: flex; gap: 12px; margin: 24px 0; }
.detail-cta .btn { flex: 1; }
.detail-services {
  display: flex; gap: 12px; flex-wrap: wrap;
  padding: 16px; border-radius: var(--r-md);
  background: rgba(122, 143, 106, 0.06);
}
.detail-service { font-size: 12.5px; color: var(--color-ink-2); }
.detail-service::before { content: '· '; color: var(--color-primary); font-weight: 700; }

/* 详情 tab */
.detail-tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--color-line); margin: 44px 0 24px; }
.detail-tab {
  padding: 12px 22px; font-size: 14px; font-weight: 500; color: var(--color-muted);
  border-bottom: 2px solid transparent; transition: all .2s;
}
.detail-tab.active, .detail-tab:hover { color: var(--color-primary-deep); border-bottom-color: var(--color-primary); }
.detail-panel { padding: 20px 0; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table td { padding: 12px 16px; border-bottom: 1px solid var(--color-line-soft); font-size: 14px; }
.spec-table td:first-child { width: 30%; color: var(--color-muted); background: rgba(122, 143, 106, 0.04); }

/* 9. 讲师头像卡（团队） */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.team-card {
  padding: 24px 20px; border-radius: var(--r-lg);
  background: var(--bg-glass-white);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.4);
  text-align: center;
  box-shadow: var(--shadow-soft);
}
.team-avatar {
  width: 82px; height: 82px; border-radius: 50%;
  margin: 0 auto 14px;
  background: linear-gradient(135deg, var(--color-primary-soft), var(--color-accent-soft));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: var(--color-primary-deep); font-size: 30px;
}
.team-name { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.team-role { font-size: 12.5px; color: var(--color-accent); margin-bottom: 8px; }
.team-desc { font-size: 12.5px; color: var(--color-muted); line-height: 1.6; }

/* 10. 促销活动横幅 */
.activity-banner {
  padding: 20px 28px; border-radius: var(--r-lg); margin: 28px 0;
  background: linear-gradient(120deg, rgba(217, 119, 87, 0.16), rgba(122, 143, 106, 0.12));
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.5);
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.activity-badge { padding: 6px 14px; border-radius: var(--r-pill); background: var(--color-accent); color: #fff; font-size: 12px; font-weight: 600; }
.activity-title { font-size: 16px; font-weight: 600; color: var(--color-ink); flex: 1; }
.activity-link { font-size: 13.5px; color: var(--color-primary-deep); font-weight: 500; }

/* ============ Footer ============ */
.footer {
  background: linear-gradient(180deg, transparent, rgba(122, 143, 106, 0.06));
  padding: 60px 0 24px; margin-top: 80px;
  border-top: 1px solid rgba(122, 143, 106, 0.12);
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-col h4 { font-size: 14px; font-weight: 600; margin-bottom: 16px; color: var(--color-ink); }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { font-size: 13px; color: var(--color-muted); transition: color .2s; }
.footer-col a:hover { color: var(--color-primary-deep); }
.footer-brand-name { font-size: 20px; font-weight: 700; color: var(--color-primary-deep); margin-bottom: 12px; }
.footer-brand-desc { font-size: 13px; color: var(--color-muted); margin-bottom: 16px; line-height: 1.7; }
.footer-contact { font-size: 13px; color: var(--color-ink-2); line-height: 1.9; }
.footer-contact strong { color: var(--color-primary-deep); }
.footer-bottom { padding-top: 24px; border-top: 1px solid rgba(122, 143, 106, 0.15); font-size: 12.5px; color: var(--color-muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom a { color: var(--color-muted); }
.footer-bottom a:hover { color: var(--color-primary-deep); }

/* ============ 浮动按钮 ============ */
.float-btn {
  position: fixed; right: 24px; z-index: 90;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--bg-glass-white-strong);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: var(--shadow-card);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all .2s;
}
.float-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.float-back { bottom: 100px; }
.float-chat { bottom: 24px; background: var(--color-primary); border-color: var(--color-primary); }
.float-chat svg { fill: #fff; }

/* ============ 表单 ============ */
.form-grid { display: grid; gap: 18px; }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 13.5px; font-weight: 500; color: var(--color-ink); }
.form-label i { color: var(--color-accent); font-style: normal; margin-right: 3px; }
.form-input, .form-select, .form-textarea {
  padding: 12px 14px; border-radius: var(--r-md);
  background: rgba(255, 253, 246, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-line);
  font-size: 14px; color: var(--color-ink);
  transition: all .2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--color-primary);
  background: rgba(255, 253, 246, 0.95);
  box-shadow: 0 0 0 3px rgba(122, 143, 106, 0.14);
}
.form-textarea { min-height: 100px; resize: vertical; }
.form-check { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--color-muted); }
.form-check input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--color-primary); }
.form-radio-group { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.form-radio {
  padding: 12px 14px; border-radius: var(--r-md);
  border: 1px solid var(--color-line); cursor: pointer;
  background: rgba(255, 253, 246, 0.5);
  transition: all .2s; font-size: 13.5px; text-align: center;
}
.form-radio input { display: none; }
.form-radio.active, .form-radio:has(input:checked) {
  border-color: var(--color-primary); background: rgba(122, 143, 106, 0.1);
  color: var(--color-primary-deep); font-weight: 600;
  box-shadow: 0 2px 8px rgba(122, 143, 106, 0.14);
}

/* ============ 面包屑 ============ */
.crumb { padding: 18px 0; font-size: 12.5px; color: var(--color-muted); }
.crumb a { color: var(--color-muted); }
.crumb a:hover { color: var(--color-primary-deep); }
.crumb span { margin: 0 6px; opacity: 0.5; }

/* ============ 页面头 ============ */
.page-head {
  padding: 40px 0 30px;
  background: linear-gradient(180deg, rgba(184, 201, 166, 0.12), transparent);
}
.page-head h1 { font-size: 32px; font-weight: 700; margin-bottom: 8px; }
.page-head p { font-size: 15px; color: var(--color-muted); max-width: 640px; }

/* ============ 长文样式（协议/隐私/退款/关于/故事） ============ */
.longform {
  padding: 40px 44px; border-radius: var(--r-xl);
  background: var(--bg-glass-white-strong);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.5);
  box-shadow: var(--shadow-soft);
}
.longform h2 { font-size: 22px; font-weight: 700; margin: 32px 0 14px; color: var(--color-ink); }
.longform h2:first-child { margin-top: 0; }
.longform h3 { font-size: 16.5px; font-weight: 600; margin: 22px 0 10px; color: var(--color-ink); }
.longform p { font-size: 14.5px; line-height: 1.85; color: var(--color-ink-2); margin-bottom: 12px; }
.longform ul, .longform ol { padding-left: 24px; margin-bottom: 12px; }
.longform li { font-size: 14.5px; line-height: 1.85; color: var(--color-ink-2); margin-bottom: 6px; }
.longform strong { color: var(--color-ink); font-weight: 600; }
.meta-info { font-size: 12.5px; color: var(--color-muted); margin-bottom: 20px; padding-bottom: 14px; border-bottom: 1px dashed var(--color-line); }

/* ============ 购物车 ============ */
.cart-empty { text-align: center; padding: 80px 0; color: var(--color-muted); }
.cart-grid { display: grid; grid-template-columns: 1fr 340px; gap: 30px; align-items: start; }
.cart-list { border-radius: var(--r-xl); background: var(--bg-glass-white); backdrop-filter: blur(20px); border: 1px solid rgba(255,255,255,0.5); overflow: hidden; box-shadow: var(--shadow-soft); }
.cart-item { display: grid; grid-template-columns: 90px 1fr auto; gap: 18px; padding: 20px 24px; border-bottom: 1px solid var(--color-line-soft); align-items: center; }
.cart-item:last-child { border-bottom: 0; }
.cart-item img { width: 90px; height: 90px; object-fit: cover; border-radius: var(--r-md); }
.cart-item-name { font-size: 14.5px; font-weight: 600; margin-bottom: 4px; }
.cart-item-price { color: var(--color-accent); font-weight: 600; font-size: 14.5px; }
.cart-item-price::before { content: '¥'; font-size: 12px; }
.cart-item-actions { display: flex; align-items: center; gap: 12px; }
.qty-btn {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(122, 143, 106, 0.1); color: var(--color-primary-deep);
  font-weight: 600; display: inline-flex; align-items: center; justify-content: center;
}
.qty-btn:hover { background: var(--color-primary); color: #fff; }
.qty-val { min-width: 32px; text-align: center; font-weight: 600; }
.cart-summary { padding: 26px; border-radius: var(--r-xl); background: var(--bg-glass-white-strong); backdrop-filter: blur(24px); border: 1px solid rgba(255,255,255,0.5); box-shadow: var(--shadow-card); position: sticky; top: 100px; }
.cart-summary h3 { font-size: 17px; font-weight: 700; margin-bottom: 18px; }
.summary-row { display: flex; justify-content: space-between; padding: 8px 0; font-size: 14px; color: var(--color-ink-2); }
.summary-row.total { border-top: 1px solid var(--color-line); padding-top: 14px; margin-top: 8px; font-size: 16px; font-weight: 700; color: var(--color-ink); }
.summary-row.total .price-num { color: var(--color-accent); font-size: 22px; }
.summary-row.total .price-num::before { content: '¥'; font-size: 14px; }
.remove-btn { color: var(--color-muted); font-size: 12px; }
.remove-btn:hover { color: var(--color-accent); }

/* ============ 结算 ============ */
.checkout-grid { display: grid; grid-template-columns: 1fr 380px; gap: 30px; align-items: start; }
.checkout-summary-item { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--color-line-soft); font-size: 13px; }
.checkout-summary-item img { width: 48px; height: 48px; border-radius: 8px; object-fit: cover; }

/* ============ 提示 & Toast ============ */
.toast { position: fixed; top: 24px; left: 50%; transform: translateX(-50%); padding: 12px 22px; background: rgba(43, 42, 38, 0.92); backdrop-filter: blur(10px); color: #fff; border-radius: var(--r-pill); font-size: 13.5px; box-shadow: var(--shadow-deep); z-index: 200; opacity: 0; transition: opacity .3s, transform .3s; pointer-events: none; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(6px); }

/* ============ 移动端 ============ */
@media (max-width: 900px) {
  .nav { padding: 12px 16px; }
  .nav-menu, .nav-search { display: none; }
  .container { padding: 0 16px; }
  .section { padding: 44px 0; }
  .hero { padding: 30px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero h1 { font-size: 30px; }
  .hero-lead { font-size: 14.5px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .pledge-grid, .step-grid, .review-grid, .team-grid { grid-template-columns: 1fr; gap: 14px; }
  .detail-grid { grid-template-columns: 1fr; gap: 24px; }
  .detail-title { font-size: 24px; }
  .detail-price-now { font-size: 30px; }
  .cart-grid, .checkout-grid { grid-template-columns: 1fr; }
  .cart-summary, .cart-summary { position: relative; top: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 22px; }
  .footer-bottom { flex-direction: column; }
  .longform { padding: 26px 20px; }
  .form-radio-group { grid-template-columns: 1fr; }
  .top-bar span { display: inline-block; margin: 2px 8px; }
  .cart-item { grid-template-columns: 72px 1fr; gap: 12px; padding: 14px 16px; }
  .cart-item-actions { grid-column: 1 / -1; justify-content: space-between; }
  .float-btn { right: 12px; }
  .float-back { bottom: 80px; }
}
@media (max-width: 500px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 26px; }
}

/* ============ 多彩标签系统（丰富视觉） ============ */
.product-badge.hot { background: linear-gradient(135deg, #ff2020, #cc0018); color: #fff; box-shadow: 0 2px 8px rgba(204,0,24,.4); }
.product-badge.new { background: linear-gradient(135deg, #47a992, #2c8b74); color: #fff; box-shadow: 0 2px 8px rgba(47,169,146,.4); }
.product-badge.sale { background: linear-gradient(135deg, #f8b500, #e09600); color: #fff; }
.product-badge.limited { background: linear-gradient(135deg, #8b5cf6, #7c3aed); color: #fff; }

/* 分类卡渐变色（每个类目不同底色，避免单调） */
.cat-grid .cat-card:nth-child(1) .cat-icon { background: linear-gradient(135deg, #ff4400, #ff7a30); }
.cat-grid .cat-card:nth-child(2) .cat-icon { background: linear-gradient(135deg, #47a992, #6bc8b0); }
.cat-grid .cat-card:nth-child(3) .cat-icon { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }
.cat-grid .cat-card:nth-child(4) .cat-icon { background: linear-gradient(135deg, #f8b500, #ffcc44); }
.cat-grid .cat-card:nth-child(5) .cat-icon { background: linear-gradient(135deg, #ff2478, #ff5a9a); }

/* 顶部横条改成金色渐变（淘宝味） */
.top-bar { background: linear-gradient(90deg, #cc3400 0%, #ff4400 50%, #ff6a1f 100%) !important; color: #fff !important; }

/* 促销 banner 更醒目：金黄 + 红 */
.activity-banner {
  background: linear-gradient(120deg, rgba(255, 68, 0, 0.14), rgba(248, 181, 0, 0.16)) !important;
  border-left: 4px solid #ff4400;
}
.activity-badge { background: linear-gradient(135deg, #ff2020, #cc0018) !important; }

/* 价格全部红色 */
.price-now, .detail-price-now { color: #cc0018 !important; }
.price-now::before, .detail-price-now::before { color: #cc0018; }

/* 主 CTA 用双色渐变 */
.btn-primary {
  background: linear-gradient(135deg, #ff4400, #cc3400) !important;
  box-shadow: 0 4px 16px rgba(255, 68, 0, 0.35), inset 0 1px 0 rgba(255,255,255,0.25) !important;
}
.btn-primary:hover {
  box-shadow: 0 8px 24px rgba(255, 68, 0, 0.5), inset 0 1px 0 rgba(255,255,255,0.3) !important;
}
.btn-accent {
  background: linear-gradient(135deg, #f8b500, #e09600) !important;
  color: #fff !important;
  box-shadow: 0 4px 16px rgba(248, 181, 0, 0.4) !important;
}

/* ============ 品牌 Logo 美化（追加，覆盖前面） ============ */
.nav-brand {
  gap: 10px; align-items: center; padding: 4px 0;
}
.nav-brand::before {
  content: '栖';
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, #ff4400, #cc3400);
  color: #fff; font-size: 18px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 3px 10px rgba(255, 68, 0, 0.35);
  flex-shrink: 0;
}
.nav-brand {
  color: #2b2a26 !important; font-size: 19px; font-weight: 800;
}
.nav-brand-sub {
  color: #85817a !important; font-size: 10.5px; font-weight: 500 !important;
  letter-spacing: 1.5px; padding-left: 6px; border-left: 1px solid #f0e6dd;
}

/* Active 菜单红色 */
.nav-menu a.active, .nav-menu a:hover {
  background: linear-gradient(135deg, rgba(255, 68, 0, 0.10), rgba(248, 181, 0, 0.14)) !important;
  color: #cc3400 !important;
  font-weight: 600;
}
.nav-menu a.active {
  color: #ff4400 !important;
  box-shadow: inset 0 -2px 0 #ff4400;
  border-radius: 8px 8px 0 0;
}

/* 搜索框 + 购物车 + 登录 更精致 */
.nav-search {
  background: #fff !important; border-color: #f0e6dd !important;
  border-radius: 8px !important; padding: 7px 14px !important;
  transition: all .2s;
}
.nav-search:hover { border-color: #ff4400 !important; box-shadow: 0 2px 8px rgba(255,68,0,.1); }
.nav-cart, .nav-user {
  background: #fff !important; border-color: #f0e6dd !important;
  border-radius: 8px !important; padding: 8px 14px !important;
  font-weight: 500;
}
.nav-cart:hover, .nav-user:hover {
  background: linear-gradient(135deg, #ff4400, #cc3400) !important;
  border-color: #cc3400 !important; color: #fff !important;
}
.cart-badge {
  background: linear-gradient(135deg, #ff2020, #cc0018) !important;
  box-shadow: 0 2px 6px rgba(204,0,24,.4);
  font-weight: 700;
}

/* 顶部导航整体 nav 边框改红调 */
.nav-wrap {
  border-bottom: 1px solid rgba(255, 68, 0, 0.10) !important;
  background: rgba(255, 253, 248, 0.85) !important;
}