:root {
  --gold: #B8963E;
  --gold-light: #D4AF6A;
  --gold-dark: #8A6E2A;
  --gold-bg: #FBF7EF;
  --bg: #FFFFFF;
  --bg-warm: #FAF8F5;
  --bg-section: #F5F2EC;
  --border: #E8E2D8;
  --border-dark: #C8BFA8;
  --text: #1A1A1A;
  --text-mid: #4A4540;
  --text-muted: #8A8278;
  --red: #C0392B;
  --red-bg: #FDF2F1;
  --shadow: 0 2px 16px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.14);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'PingFang SC', 'Noto Serif SC', 'Microsoft YaHei', Georgia, serif;
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ── 按钮 ── */
.btn-gold {
  background: var(--gold);
  color: #fff;
  border: none;
  padding: 10px 26px;
  border-radius: 2px;
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
  letter-spacing: 1px;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn-gold:hover {
  background: var(--gold-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(184,150,62,0.35);
}
.btn-gold:active { transform: translateY(0); }
.btn-gold.btn-lg { padding: 14px 40px; font-size: 15px; }

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 10px 26px;
  border-radius: 2px;
  font-weight: 500;
  cursor: pointer;
  font-size: 14px;
  letter-spacing: 1px;
  transition: all 0.2s;
}
.btn-outline:hover { background: var(--gold-bg); }
.btn-outline.btn-lg { padding: 14px 40px; font-size: 15px; }

.btn-ghost {
  background: transparent;
  color: var(--text-mid);
  border: 1px solid var(--border-dark);
  padding: 8px 20px;
  border-radius: 2px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

/* ── 导航 ── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-top {
  background: var(--text);
  color: #fff;
  font-size: 12px;
  text-align: center;
  padding: 6px 0;
  letter-spacing: 2px;
}
.header-top span { color: var(--gold-light); }
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  height: 68px; display: flex; align-items: center; gap: 40px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-seal {
  width: 44px; height: 44px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--gold); font-weight: 800;
  letter-spacing: -1px;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-main { font-size: 20px; font-weight: 700; color: var(--text); letter-spacing: 3px; }
.logo-sub { font-size: 10px; color: var(--text-muted); letter-spacing: 3px; text-transform: uppercase; }

.nav { display: flex; gap: 4px; flex: 1; }
.nav-link {
  padding: 8px 16px; font-size: 14px; color: var(--text-mid);
  letter-spacing: 1px; position: relative; transition: color 0.2s;
}
.nav-link::after {
  content: ''; position: absolute; bottom: 4px; left: 16px; right: 16px;
  height: 1px; background: var(--gold); transform: scaleX(0); transition: transform 0.2s;
}
.nav-link:hover, .nav-link.active { color: var(--gold); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.header-actions { display: flex; gap: 10px; align-items: center; }

/* ── 英雄区 ── */
.hero {
  padding-top: 104px;
  position: relative; overflow: hidden;
  background: #1a1208;
}
/* 山水背景图 */
.hero-bg-img {
  position: absolute; inset: 0;
  background-image: url('https://images.unsplash.com/photo-1547981609-4b6bfe67ca0b?w=1600&q=80');
  background-size: cover; background-position: center 30%;
  opacity: 0.22;
}
/* 左侧渐变遮罩，保证文字可读 */
.hero-bg-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    105deg,
    rgba(250,248,245,0.97) 0%,
    rgba(250,248,245,0.92) 38%,
    rgba(250,248,245,0.55) 58%,
    rgba(250,248,245,0.10) 100%
  );
}
/* 右侧金色装饰圆 */
.hero::after {
  content: '';
  position: absolute; top: 60px; right: 80px;
  width: 280px; height: 280px;
  border: 1px solid rgba(184,150,62,0.25);
  border-radius: 50%;
  box-shadow: 0 0 0 36px rgba(184,150,62,0.06), 0 0 0 72px rgba(184,150,62,0.03);
  z-index: 1;
}

.hero-inner {
  max-width: 1200px; margin: 0 auto; padding: 80px 32px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
  position: relative; z-index: 2;
}
.hero-eyebrow {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
}
.hero-line { width: 32px; height: 1px; background: var(--gold); }
.hero-eyebrow-text { font-size: 12px; color: var(--gold); letter-spacing: 4px; text-transform: uppercase; }
.hero-title {
  font-size: 52px; font-weight: 800; line-height: 1.15;
  letter-spacing: 2px; margin-bottom: 16px; color: var(--text);
}
.hero-title .accent { color: var(--gold); }
.hero-desc { font-size: 15px; color: var(--text-muted); margin-bottom: 36px; line-height: 1.8; }
.hero-cta { display: flex; gap: 14px; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 0; }
.stat {
  padding: 0 28px; border-right: 1px solid var(--border-dark);
  display: flex; flex-direction: column;
}
.stat:first-child { padding-left: 0; }
.stat:last-child { border-right: none; }
.stat-num { font-size: 26px; font-weight: 800; color: var(--gold); }
.stat-label { font-size: 12px; color: var(--text-muted); letter-spacing: 1px; }

.hero-featured {
  position: relative; z-index: 1;
}
.featured-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.featured-img {
  width: 100%; aspect-ratio: 4/3;
  background: var(--bg-section);
  display: flex; align-items: center; justify-content: center;
  font-size: 100px; position: relative;
}
.featured-live-badge {
  position: absolute; top: 16px; left: 16px;
  background: var(--red); color: #fff;
  padding: 4px 12px; font-size: 12px; font-weight: 700;
  letter-spacing: 1px; border-radius: 2px;
  display: flex; align-items: center; gap: 6px;
}
.live-dot {
  width: 6px; height: 6px; background: #fff; border-radius: 50%;
  animation: pulse 1.2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }
.featured-body { padding: 20px 24px; }
.featured-title { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.featured-meta { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.featured-price-row { display: flex; justify-content: space-between; align-items: flex-end; }
.featured-price-label { font-size: 12px; color: var(--text-muted); }
.featured-price { font-size: 24px; font-weight: 800; color: var(--gold); }
.featured-timer { font-size: 13px; color: var(--red); font-weight: 600; }

/* ── 装饰分隔线 ── */
.divider {
  display: flex; align-items: center; gap: 16px;
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
}
.divider-line { flex: 1; height: 1px; background: var(--border); }
.divider-ornament {
  display: flex; align-items: center; gap: 8px;
  color: var(--gold); font-size: 12px; letter-spacing: 3px;
}
.divider-diamond { width: 6px; height: 6px; background: var(--gold); transform: rotate(45deg); }

/* ── 分类 ── */
.categories { background: #fff; border-bottom: 1px solid var(--border); }
.category-list {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: flex; gap: 0; overflow-x: auto;
}
.category-item {
  padding: 16px 22px; font-size: 14px; color: var(--text-muted);
  cursor: pointer; white-space: nowrap;
  border-bottom: 2px solid transparent; transition: all 0.2s;
  letter-spacing: 1px;
}
.category-item:hover { color: var(--text); }
.category-item.active { color: var(--gold); border-bottom-color: var(--gold); font-weight: 600; }

/* ── 区块 ── */
.section { padding: 72px 0; }
.section-warm { background: var(--bg-warm); }
.section-pattern {
  background-color: var(--bg-section);
  background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23B8963E' fill-opacity='0.06'%3E%3Cpath d='M20 20.5V18H0v5h5v5H0v5h20v-2.5h-2.5V20.5H20zm-2.5-2.5h-15v-5h15v5zm0 10h-15v-5h15v5zM20 0H0v5h5v5H0v5h20V0zm-2.5 12.5h-15v-5h15v5zM40 20.5V18H20v5h5v5h-5v5h20v-2.5h-2.5V20.5H40zm-2.5-2.5h-15v-5h15v5zm0 10h-15v-5h15v5zM40 0H20v5h5v5h-5v5h20V0zm-2.5 12.5h-15v-5h15v5z'/%3E%3C/g%3E%3C/svg%3E");
}
.section-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 36px; }
.section-eyebrow { font-size: 11px; color: var(--gold); letter-spacing: 4px; text-transform: uppercase; margin-bottom: 6px; }
.section-title { font-size: 26px; font-weight: 700; letter-spacing: 2px; color: var(--text); }
.section-sub { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.view-all { color: var(--gold); font-size: 13px; letter-spacing: 1px; display: flex; align-items: center; gap: 4px; }
.view-all:hover { text-decoration: underline; }

/* ── 拍品卡片 ── */
.auction-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.auction-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s;
}
.auction-card:hover {
  border-color: var(--gold-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.card-img {
  width: 100%; aspect-ratio: 1;
  background: var(--bg-section);
  display: flex; align-items: center; justify-content: center;
  font-size: 72px; position: relative; overflow: hidden;
}
.card-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.auction-card:hover .card-img img { transform: scale(1.05); }
.card-badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--red); color: #fff;
  padding: 3px 8px; font-size: 11px; font-weight: 700; letter-spacing: 1px;
}
.card-badge.upcoming { background: var(--gold); color: #fff; }
.card-body { padding: 14px 16px; }
.card-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; line-height: 1.4; color: var(--text); }
.card-meta { font-size: 12px; color: var(--text-muted); margin-bottom: 10px; }
.card-divider { height: 1px; background: var(--border); margin-bottom: 10px; }
.card-price-row { display: flex; justify-content: space-between; align-items: flex-end; }
.card-price-label { font-size: 11px; color: var(--text-muted); margin-bottom: 2px; }
.card-price { font-size: 18px; font-weight: 800; color: var(--gold); }
.card-timer { font-size: 12px; color: var(--red); font-weight: 600; text-align: right; }
.card-bids { font-size: 11px; color: var(--text-muted); margin-top: 6px; }

/* ── 即将开拍 ── */
.upcoming-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.upcoming-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  cursor: pointer;
  transition: all 0.3s;
}
.upcoming-card:hover { border-color: var(--gold-light); box-shadow: var(--shadow); }
.upcoming-img {
  width: 110px; flex-shrink: 0;
  background: var(--bg-section);
  display: flex; align-items: center; justify-content: center;
  font-size: 44px;
}
.upcoming-body { padding: 16px; flex: 1; }
.upcoming-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; color: var(--text); }
.upcoming-meta { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.upcoming-start { font-size: 12px; color: var(--gold); font-weight: 500; }
.upcoming-price { font-size: 15px; font-weight: 700; color: var(--text); margin-top: 4px; }

/* ── 成交记录 ── */
.sold-list { border: 1px solid var(--border); border-radius: 2px; overflow: hidden; }
.sold-header {
  display: grid; grid-template-columns: 60px 1fr auto auto auto;
  gap: 20px; padding: 10px 20px;
  background: var(--bg-section);
  font-size: 12px; color: var(--text-muted); letter-spacing: 1px;
  border-bottom: 1px solid var(--border);
}
.sold-item {
  background: #fff;
  display: grid; grid-template-columns: 60px 1fr auto auto auto;
  align-items: center; gap: 20px; padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s; cursor: pointer;
}
.sold-item:last-child { border-bottom: none; }
.sold-item:hover { background: var(--gold-bg); }
.sold-img {
  width: 48px; height: 48px; border-radius: 2px;
  background: var(--bg-section);
  display: flex; align-items: center; justify-content: center; font-size: 24px;
  border: 1px solid var(--border);
}
.sold-title { font-size: 14px; font-weight: 500; color: var(--text); }
.sold-cat { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.sold-price { font-size: 16px; font-weight: 800; color: var(--gold); text-align: right; }
.sold-start { font-size: 12px; color: var(--text-muted); text-align: right; }
.sold-date { font-size: 12px; color: var(--text-muted); text-align: right; }

/* ── 信任背书 ── */
.trust-bar { background: var(--text); padding: 40px 0; }
.trust-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
}
.trust-item {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 0 24px; border-right: 1px solid rgba(255,255,255,0.1);
}
.trust-item:last-child { border-right: none; }
.trust-icon { font-size: 28px; margin-bottom: 10px; }
.trust-title { font-size: 14px; font-weight: 600; color: var(--gold-light); margin-bottom: 4px; letter-spacing: 1px; }
.trust-desc { font-size: 12px; color: rgba(255,255,255,0.5); line-height: 1.6; }

/* ── 底部 ── */
.footer { background: #F5F2EC; border-top: 1px solid var(--border); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-desc { font-size: 13px; color: var(--text-muted); line-height: 1.9; }
.footer-links h4, .footer-contact h4 {
  font-size: 13px; color: var(--text); margin-bottom: 16px;
  letter-spacing: 2px; font-weight: 700;
  padding-bottom: 10px; border-bottom: 1px solid var(--border);
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 13px; color: var(--text-muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--gold); }
.footer-contact p { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.qr-placeholder {
  margin-top: 12px; width: 88px; height: 88px;
  border: 1px dashed var(--border-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--text-muted); text-align: center;
  border-radius: 2px; line-height: 1.4;
}
.footer-bottom {
  border-top: 1px solid var(--border); padding: 20px 0;
  text-align: center; font-size: 12px; color: var(--text-muted); letter-spacing: 1px;
}

/* ── 弹窗 ── */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.5); align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: #fff; border-radius: 4px; padding: 36px 40px;
  width: 400px; max-width: 90vw; position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.modal-close {
  position: absolute; top: 16px; right: 20px;
  font-size: 20px; cursor: pointer; color: var(--text-muted);
  background: none; border: none; line-height: 1;
}
.modal-close:hover { color: var(--text); }
.modal-title { font-size: 20px; font-weight: 700; margin-bottom: 6px; letter-spacing: 1px; }
.modal-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-label { font-size: 13px; color: var(--text-mid); margin-bottom: 6px; display: block; }
.form-input {
  width: 100%; padding: 10px 14px;
  border: 1px solid var(--border); border-radius: 2px;
  font-size: 14px; color: var(--text); outline: none;
  transition: border-color 0.2s; font-family: inherit;
}
.form-input:focus { border-color: var(--gold); }
.form-submit { width: 100%; margin-top: 8px; padding: 12px; font-size: 15px; }
.form-switch { text-align: center; margin-top: 16px; font-size: 13px; color: var(--text-muted); }
.form-switch a { color: var(--gold); cursor: pointer; }
.modal-divider { display: flex; align-items: center; gap: 12px; margin: 16px 0; }
.modal-divider-line { flex: 1; height: 1px; background: var(--border); }
.modal-divider-text { font-size: 12px; color: var(--text-muted); }
.wechat-login {
  width: 100%; padding: 10px; border: 1px solid var(--border);
  border-radius: 2px; background: #fff; cursor: pointer;
  font-size: 14px; color: var(--text-mid); display: flex;
  align-items: center; justify-content: center; gap: 8px;
  transition: border-color 0.2s;
}
.wechat-login:hover { border-color: #07C160; color: #07C160; }

/* ══════════════════════════════════════
   手机端  ≤ 768px  —— 独立交互设计
══════════════════════════════════════ */
@media (max-width: 768px) {
  /* 全局 */
  body { overflow-x: hidden; }
  .container { padding: 0 12px; }

  /* ── 顶栏：只保留 Logo + 图标，不挤按钮 ── */
  .header-top { display: none; }
  .header { box-shadow: 0 1px 8px rgba(0,0,0,0.08); }
  .header-inner { padding: 0 14px; height: 52px; gap: 0; }
  .logo-seal { width: 34px; height: 34px; font-size: 13px; }
  .logo-main { font-size: 16px; letter-spacing: 2px; }
  .logo-sub  { display: none; }
  .nav { display: none; }

  /* 顶栏右侧：只显示搜索+登录图标+汉堡 */
  .header-actions { margin-left: auto; gap: 4px; align-items: center; }
  .btn-ghost { display: none; }          /* 隐藏"登录"文字按钮 */
  .btn-gold.register-btn { display: none; } /* 隐藏"免费注册"文字按钮 */
  .header-icon-btn {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 50%;
    background: none; border: none; cursor: pointer;
    font-size: 18px; color: var(--text-mid); transition: background 0.2s;
  }
  .header-icon-btn:hover { background: var(--bg-section); }
  .menu-toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 36px; height: 36px; background: none; border: none; cursor: pointer; padding: 6px;
  }
  .menu-toggle span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.3s; }

  /* 抽屉导航 */
  .mobile-nav {
    display: none; position: fixed; top: 52px; left: 0; right: 0; bottom: 0;
    background: #fff; z-index: 99; flex-direction: column;
    padding: 8px 0; border-top: 1px solid var(--border); overflow-y: auto;
  }
  .mobile-nav.open { display: flex; }
  .mobile-nav a {
    padding: 15px 20px; font-size: 15px; color: var(--text);
    border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px;
  }
  .mobile-nav a:last-child { border-bottom: none; }
  .mobile-nav-icon { font-size: 18px; width: 24px; text-align: center; }

  /* ── 英雄区：手机端完全隐藏，换成紧凑 banner ── */
  .hero { display: none; }

  /* ── 手机 banner（仅手机显示）── */
  .mobile-banner {
    display: block;
    margin-top: 52px;
    position: relative; overflow: hidden;
    height: 44vw; max-height: 200px;
    background: linear-gradient(135deg, #1a1208 0%, #2d2010 100%);
  }
  .mobile-banner-bg {
    position: absolute; inset: 0;
    background-image: url('https://images.unsplash.com/photo-1547981609-4b6bfe67ca0b?w=800&q=75');
    background-size: cover; background-position: center 30%; opacity: 0.35;
  }
  .mobile-banner-content {
    position: relative; z-index: 1;
    height: 100%; display: flex; align-items: center;
    padding: 0 20px; gap: 12px;
  }
  .mobile-banner-text { flex: 1; }
  .mobile-banner-tag {
    display: inline-block; border: 1px solid var(--gold-light);
    color: var(--gold-light); font-size: 10px; padding: 2px 8px;
    border-radius: 2px; letter-spacing: 2px; margin-bottom: 6px;
  }
  .mobile-banner-title { font-size: 22px; font-weight: 800; color: #fff; letter-spacing: 2px; line-height: 1.2; }
  .mobile-banner-sub { font-size: 12px; color: rgba(255,255,255,0.6); margin-top: 4px; }
  .mobile-banner-btn {
    background: var(--gold); color: #fff; border: none;
    padding: 9px 18px; border-radius: 2px; font-size: 13px;
    font-weight: 600; cursor: pointer; white-space: nowrap; flex-shrink: 0;
  }

  /* ── 手机快捷入口（仅手机显示）── */
  .mobile-shortcuts {
    display: flex; background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
  }
  .shortcut-item {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: 5px;
    cursor: pointer; padding: 4px 0;
  }
  .shortcut-icon {
    width: 44px; height: 44px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center; font-size: 22px;
  }
  .shortcut-label { font-size: 11px; color: var(--text-mid); }

  /* ── 分类横滑 ── */
  .categories { position: sticky; top: 52px; z-index: 10; background: #fff; }
  .category-list { padding: 0 12px; }
  .category-item { padding: 10px 12px; font-size: 13px; }

  /* ── 区块 ── */
  .section { padding: 20px 0; }
  .section-eyebrow { display: none; }
  .section-title { font-size: 16px; font-weight: 700; }
  .section-sub { font-size: 12px; }
  .section-header { margin-bottom: 14px; }
  .view-all { font-size: 12px; }

  /* ── 拍品网格：2列，卡片紧凑 ── */
  .auction-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .card-body { padding: 10px 10px 12px; }
  .card-title { font-size: 12px; line-height: 1.4; margin-bottom: 2px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .card-meta { font-size: 11px; margin-bottom: 6px; }
  .card-price { font-size: 14px; }
  .card-timer { font-size: 11px; }
  .card-bids { font-size: 10px; }

  /* ── 即将开拍：横向滚动卡片 ── */
  .upcoming-grid {
    display: flex; gap: 10px;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    padding-bottom: 8px; scroll-snap-type: x mandatory;
  }
  .upcoming-grid::-webkit-scrollbar { display: none; }
  .upcoming-card {
    flex-shrink: 0; width: 72vw; max-width: 280px;
    flex-direction: column; scroll-snap-align: start;
  }
  .upcoming-img { width: 100%; height: 140px; }
  .upcoming-img img { width: 100%; height: 100%; object-fit: cover; }

  /* ── 成交记录：简化为2列 ── */
  .sold-header { grid-template-columns: 44px 1fr auto; gap: 10px; }
  .sold-header > :nth-child(3),
  .sold-header > :nth-child(5) { display: none; }
  .sold-item { grid-template-columns: 44px 1fr auto; gap: 10px; padding: 10px 12px; }
  .sold-item > :nth-child(3),
  .sold-item > :nth-child(5) { display: none; }
  .sold-img { width: 40px; height: 40px; }
  .sold-title { font-size: 13px; }
  .sold-price { font-size: 14px; }

  /* ── 信任背书：横向滚动 ── */
  .trust-bar { padding: 20px 0; }
  .trust-inner {
    display: flex; gap: 0; overflow-x: auto; padding: 0 12px;
    -webkit-overflow-scrolling: touch;
  }
  .trust-inner::-webkit-scrollbar { display: none; }
  .trust-item {
    flex-shrink: 0; width: 44vw; border-right: none; padding: 0 12px 0 0;
    text-align: left;
  }
  .trust-title { font-size: 13px; }
  .trust-desc { font-size: 11px; }

  /* ── 底部：手机简化 ── */
  .footer { padding: 28px 0 80px; } /* 80px 留给底部导航栏 */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-contact { display: none; }
  .footer-bottom { font-size: 11px; padding: 14px 0; }

  /* ── 弹窗 ── */
  .modal { padding: 24px 16px; border-radius: 12px 12px 0 0; }
  .modal-overlay.open { align-items: flex-end; }

  /* ── 底部固定导航栏（仅手机）── */
  .mobile-tabbar {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
    background: #fff; border-top: 1px solid var(--border);
    padding-bottom: env(safe-area-inset-bottom);
    box-shadow: 0 -2px 12px rgba(0,0,0,0.08);
  }
  .tabbar-item {
    flex: 1; display: flex; flex-direction: column; align-items: center;
    padding: 8px 0 6px; cursor: pointer; gap: 3px;
    transition: color 0.2s;
  }
  .tabbar-icon { font-size: 22px; line-height: 1; }
  .tabbar-label { font-size: 10px; color: var(--text-muted); }
  .tabbar-item.active .tabbar-label { color: var(--gold); font-weight: 600; }
  .tabbar-item.active .tabbar-icon { filter: sepia(1) saturate(3) hue-rotate(5deg); }
}

/* 桌面端隐藏手机专属元素 */
@media (min-width: 769px) {
  .mobile-banner    { display: none; }
  .mobile-shortcuts { display: none; }
  .mobile-tabbar    { display: none; }
  .menu-toggle      { display: none; }
  .mobile-nav       { display: none !important; }
  .header-icon-btn  { display: none; }
}