/* ============================================================
   门户样式（轻奢蓝白 · v3 紧凑版）
   正常黑体 / 紧凑间距 / 防出屏 / 高密度排版
   ============================================================ */

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; position: relative; z-index: 2; }

/* 防溢出：网格与弹性子项不允许撑破容器 */
.hero-grid > *, .detail-wrap > *, .prod-grid > *, .plat-grid > *, .rel-grid > * { min-width: 0; }

/* ---------------- 顶部 ---------------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: var(--container); margin: 0 auto; padding: 0 20px;
  height: 58px; display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: baseline; gap: 8px; flex: none; }
.brand-mark {
  font-family: var(--font-display); font-weight: 700; font-size: 1.15rem;
  background: var(--brand-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.brand-en { font-size: 0.62rem; letter-spacing: 0.26em; color: var(--text-muted); text-transform: uppercase; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 20px; }
.nav a:not(.btn) { font-size: 0.85rem; color: var(--text-muted); padding: 4px 2px; border-bottom: 1px solid transparent; transition: color var(--dur-fast) ease, border-color var(--dur-fast) ease; }
.nav a:not(.btn):hover { color: var(--accent-bright); border-color: var(--border-strong); }
.nav-cta { min-height: 36px; padding: 0 16px; font-size: 0.82rem; }

/* 公告条 */
.notice-bar {
  border-bottom: 1px solid var(--border);
  background: var(--accent-soft);
  font-size: 0.78rem; color: var(--accent-deep);
  overflow: hidden; white-space: nowrap;
}
.notice-bar .inner { display: inline-block; padding: 5px 0; animation: slide 22s linear infinite; }
@keyframes slide { from { transform: translateX(100vw); } to { transform: translateX(-100%); } }

/* 公告条 / 跑马灯：内容裁切在与 header 对齐的容器内 */
.nb-clip { overflow: hidden; }

/* ---------------- Hero：左文右卡 ---------------- */
.hero { padding: 44px 0 36px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.76rem; color: var(--accent-bright); letter-spacing: 0.18em;
  margin-bottom: 12px;
}
.hero-kicker::before { content: ""; width: 26px; height: 1px; background: var(--accent); }
.hero h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem); font-weight: 700; line-height: 1.3; letter-spacing: 0;
}
.hero h1 em { font-style: normal; color: var(--accent-bright); position: relative; white-space: nowrap; }
.hero h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0.06em; height: 0.32em;
  background: var(--accent-soft); z-index: -1; border-radius: 3px;
}
.hero p.sub { margin-top: 10px; max-width: 32em; color: var(--text-muted); font-size: 0.9rem; }
.hero-actions { margin-top: 20px; display: flex; gap: 10px; flex-wrap: wrap; }

/* 统计带 */
.stats { display: flex; gap: 36px; margin-top: 26px; }
.stats .stat b {
  display: block; font-weight: 700;
  font-size: 1.5rem; line-height: 1.2; color: var(--text);
  font-variant-numeric: tabular-nums;
}
.stats .stat b i { font-style: normal; font-size: 0.55em; color: var(--accent-bright); margin-left: 2px; }
.stats .stat span { font-size: 0.76rem; color: var(--text-muted); letter-spacing: 0.06em; }

/* 首屏推荐卡 */
.hero-card {
  position: relative; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 20px; box-shadow: var(--shadow-2);
}
.hc-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 14px; }
.hc-badge {
  font-size: 0.7rem; letter-spacing: 0.14em; color: #fff;
  background: var(--brand-grad); padding: 3px 10px; border-radius: 999px; flex: none;
}
.hc-cat { font-size: 0.78rem; color: var(--text-muted); }
.hc-number {
  font-weight: 700;
  font-size: clamp(1.7rem, 3vw, 2.4rem); line-height: 1.2;
  color: var(--accent-deep); font-variant-numeric: tabular-nums; letter-spacing: 0.06em;
  word-break: break-all;
}
.hc-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.hc-foot {
  margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.hc-price { font-weight: 700; font-size: 1.5rem; color: var(--text); font-variant-numeric: tabular-nums; }
.hc-price::before { content: "¥"; font-size: 0.6em; color: var(--accent-bright); margin-right: 2px; }
.hc-note { display: block; font-size: 0.74rem; color: var(--text-muted); font-weight: 400; margin-top: 2px; }
.hc-foot .btn { min-height: 40px; flex: none; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 42px; padding: 0 22px; border-radius: 999px;
  font-size: 0.9rem; letter-spacing: 0.04em;
  border: 1px solid var(--border-strong); background: transparent; color: var(--accent-bright);
  transition: transform var(--dur-fast) ease, background var(--dur-fast) ease, box-shadow var(--dur-fast) ease;
}
.btn:hover { background: rgba(36, 86, 230, 0.07); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-brand {
  background: var(--brand-grad); color: #ffffff; font-weight: 500; border: none;
  box-shadow: 0 4px 16px rgba(36, 86, 230, 0.25);
}
.btn-brand:hover { background: var(--brand-grad); box-shadow: 0 8px 24px rgba(36, 86, 230, 0.35); }
.btn[disabled] { opacity: 0.45; pointer-events: none; }

/* ---------------- 区块 ---------------- */
.section { padding: 36px 0; }
.sec-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 18px; }
.sec-head h2 { font-size: 1.35rem; font-weight: 700; }
.sec-head .en { font-size: 0.68rem; letter-spacing: 0.22em; color: var(--text-muted); text-transform: uppercase; }
.sec-head .more { margin-left: auto; font-size: 0.8rem; color: var(--text-muted); transition: color var(--dur-fast) ease; flex: none; }
.sec-head .more:hover { color: var(--accent-bright); }

/* ---------------- 平台磁贴 ---------------- */
.plat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.plat-tile {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  transition: transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) ease, box-shadow var(--dur-base) ease;
}
.plat-tile:hover { transform: translateY(-2px); border-color: var(--border-strong); box-shadow: var(--shadow-2); }
.pt-icon {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; background: var(--pc-bg, var(--accent-soft));
  border: 1px solid var(--pc-border, var(--border));
}
.pt-name { font-weight: 500; font-size: 0.9rem; }
.pt-slogan { font-size: 0.72rem; color: var(--text-muted); margin-top: 1px; }
.pt-count { margin-left: auto; font-size: 0.72rem; color: var(--accent-bright); font-variant-numeric: tabular-nums; white-space: nowrap; flex: none; }

/* ---------------- 号码跑马灯 ---------------- */
.marquee { border-block: 1px solid var(--border); padding: 9px 0; overflow: hidden; background: var(--surface); }
.marquee .track { display: flex; gap: 32px; width: max-content; animation: slide2 36s linear infinite; }
@keyframes slide2 { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee .chip {
  display: inline-flex; align-items: center; gap: 10px; white-space: nowrap;
  font-size: 0.8rem; color: var(--text-muted);
}
.marquee .chip .n { color: var(--accent-deep); font-weight: 500; font-variant-numeric: tabular-nums; letter-spacing: 0.08em; }
.marquee .chip .p { color: var(--accent-bright); }

/* ---------------- 商品卡 ---------------- */
/* auto-fit：几张卡都均匀铺满整行，不留空档 */
.prod-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(235px, 1fr)); gap: 14px; }
.prod-card {
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 14px; position: relative;
  transition: transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) ease, box-shadow var(--dur-base) ease;
}
.prod-card:hover { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: var(--shadow-2); }
.prod-top { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.prod-cat {
  font-size: 0.72rem; color: var(--text);
  background: var(--pc-bg, var(--surface-2));
  border: 1px solid var(--pc-border, var(--border));
  padding: 2px 9px; border-radius: 999px; white-space: nowrap;
}
.prod-level { font-size: 0.72rem; color: var(--accent-bright); }
.prod-number {
  margin: 14px 0 0; text-align: center;
  font-weight: 700;
  font-size: clamp(1.35rem, 1.9vw, 1.6rem); line-height: 1.25;
  color: var(--accent-deep);
  font-variant-numeric: tabular-nums; letter-spacing: 0.05em;
  word-break: break-all;
}
.prod-tags { display: flex; justify-content: center; flex-wrap: wrap; gap: 5px; margin-top: 8px; min-height: 22px; }
.tag {
  font-size: 0.7rem; padding: 1px 8px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-muted); background: var(--surface-2);
}
.prod-foot {
  margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 6px;
}
.price { font-size: 1.15rem; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
.price::before { content: "¥"; font-size: 0.72em; color: var(--accent-bright); margin-right: 1px; }
.buy-btn {
  min-height: 32px; padding: 0 14px; border-radius: 999px; font-size: 0.78rem;
  border: 1px solid var(--border-strong); background: transparent; color: var(--accent-bright);
  transition: background var(--dur-fast) ease, transform var(--dur-fast) ease, color var(--dur-fast) ease;
  flex: none;
}
.buy-btn:hover { background: var(--brand-grad); border-color: transparent; color: #fff; transform: translateY(-1px); }

/* ---------------- 服务流程 ---------------- */
.steps-band { background: var(--accent-soft); border-block: 1px solid var(--border); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.step { position: relative; padding: 14px 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); display: flex; gap: 12px; align-items: center; }
.step-no {
  flex: none; width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.95rem; color: var(--accent-bright);
  border: 1px solid var(--border-strong); background: #fff;
}
.step p { color: var(--text-muted); font-size: 0.8rem; }

/* ---------------- 平台列表页 ---------------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip-btn {
  min-height: 36px; padding: 0 16px; border-radius: 999px; font-size: 0.82rem;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-muted);
  transition: all var(--dur-fast) ease;
}
.chip-btn:hover { color: var(--accent-bright); border-color: var(--border-strong); }
.chip-btn.active { background: var(--brand-grad); color: #ffffff; border: none; }
.toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar label { font-size: 0.8rem; color: var(--text-muted); }
.toolbar select {
  min-height: 36px; padding: 0 12px; border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
}

/* ---------------- 详情页 ---------------- */
.crumbs { font-size: 0.8rem; color: var(--text-muted); padding: 16px 0 0; }
.crumbs a:hover { color: var(--accent-bright); }
.detail-wrap { display: grid; grid-template-columns: 1.25fr 1fr; gap: 16px; margin-top: 14px; }
.detail-main {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 40px 24px; text-align: center; position: relative; overflow: hidden;
  box-shadow: var(--shadow-1);
}
.detail-main::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(26rem 14rem at 50% 0%, rgba(36, 86, 230, 0.07), transparent 65%);
}
.detail-label { font-size: 0.72rem; letter-spacing: 0.3em; color: var(--text-muted); margin-bottom: 10px; }
.detail-number {
  font-weight: 700;
  font-size: clamp(2.1rem, 5.5vw, 3.4rem); line-height: 1.15;
  color: var(--accent-deep);
  font-variant-numeric: tabular-nums; letter-spacing: 0.08em;
  position: relative; word-break: break-all;
}
.detail-meta { margin-top: 14px; display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; position: relative; }
.detail-side { display: flex; flex-direction: column; gap: 12px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px; }
.panel h3 { font-size: 1rem; margin-bottom: 10px; }
.price-big { font-size: 2rem; font-weight: 700; line-height: 1.1; color: var(--text); font-variant-numeric: tabular-nums; }
.price-big::before { content: "¥"; font-size: 0.55em; color: var(--accent-bright); margin-right: 3px; }
.panel .desc { color: var(--text-muted); font-size: 0.82rem; }
.panel ol { padding-left: 1.3em; color: var(--text-muted); font-size: 0.82rem; display: grid; gap: 6px; }

/* 相关推荐 */
.rel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(235px, 1fr)); gap: 14px; }

/* ---------------- 弹窗 ---------------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 100; display: none;
  align-items: center; justify-content: center; padding: 16px;
  background: rgba(23, 35, 61, 0.4); backdrop-filter: blur(6px);
}
.modal-mask.open { display: flex; }
.modal {
  width: min(400px, 100%); background: var(--surface);
  border: 1px solid var(--border-strong); border-radius: var(--radius-md);
  padding: 24px; text-align: center; box-shadow: var(--shadow-3);
  animation: rise var(--dur-base) var(--ease-out);
}
.modal h3 { font-size: 1.3rem; margin-bottom: 6px; }
.modal .contact-line { font-size: 1.4rem; font-weight: 700; color: var(--accent-bright); margin: 12px 0; letter-spacing: 0.06em; font-variant-numeric: tabular-nums; }
.modal img { margin: 12px auto; border-radius: var(--radius-sm); }
.modal .close { margin-top: 10px; }

/* ---------------- 页脚（信息型四栏） ---------------- */
footer { border-top: 1px solid var(--border); padding: 32px 0 20px; margin-top: 36px; background: var(--surface); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 28px; }
.foot-brand .brand-mark { font-size: 1.05rem; }
.foot-brand p { font-size: 0.78rem; color: var(--text-muted); margin-top: 6px; }
.foot-contact {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 10px;
  font-size: 0.78rem; color: var(--accent-bright);
  border: 1px solid var(--border-strong); border-radius: 999px; padding: 3px 12px;
  background: var(--accent-soft);
}
.foot-col h4 {
  font-size: 0.78rem; font-weight: 700; color: var(--text);
  letter-spacing: 0.1em; margin-bottom: 10px;
}
.foot-links { list-style: none; display: grid; gap: 6px; }
.foot-links a { font-size: 0.78rem; color: var(--text-muted); transition: color var(--dur-fast) ease; }
.foot-links a:hover { color: var(--accent-bright); }
.foot-note { font-size: 0.78rem; color: var(--text-muted); line-height: 1.8; }
.foot-bottom {
  margin-top: 24px; padding-top: 14px; border-top: 1px dashed var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.foot-bottom p { font-size: 0.74rem; color: var(--text-muted); }

/* ---------------- 移动端吸底购买栏（详情页） ---------------- */
.mobile-cta { display: none; }

/* 空态 / 加载态 */
.empty { padding: 40px 0; text-align: center; color: var(--text-muted); font-size: 0.88rem; }
.empty .big { font-size: 1.6rem; font-weight: 700; color: var(--accent-deep); display: block; margin-bottom: 8px; }
.skeleton { min-height: 170px; background: linear-gradient(100deg, var(--bg-deep) 40%, var(--surface-2) 50%, var(--bg-deep) 60%); background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: var(--radius-md); }
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-card { max-width: 460px; }
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .plat-grid { grid-template-columns: repeat(2, 1fr); }
  .rel-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .detail-wrap { grid-template-columns: 1fr; }
  .stats { gap: 24px; }
  .section { padding: 28px 0; }
}
@media (max-width: 860px) {
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
}
@media (max-width: 480px) {
  .foot-grid { grid-template-columns: 1fr; }
  .prod-grid { grid-template-columns: 1fr; }
  .hero { padding: 32px 0 28px; }
  .brand-en { display: none; }
}


/* ---------------- 移动端 / 平板细化（≤1024px，覆盖在前） ---------------- */

/* 简单粗暴：保证内容永远不贴边 */
@media (max-width: 1024px) {
  .hero-card { width: 90%; margin-left: 5%; }
  .prod-card { width: 92%; margin-left: auto; margin-right: auto; }
}

@media (max-width: 1024px) {
  .container, .topbar-inner { width: 90%; max-width: none; margin: 0 auto; padding: 0; }
  .topbar-inner { height: 56px; gap: 18px; }
  .brand-mark { font-size: 1.1rem; }
  .nav { gap: 14px; }
  .nav-cta { min-height: 40px; padding: 0 16px; font-size: 0.8rem; }
  .hero { padding: 32px 0 24px; }
  .hero h1 { font-size: clamp(1.55rem, 4.5vw, 2.2rem); line-height: 1.35; }
  .hero p.sub { font-size: 0.88rem; margin-top: 10px; }
  .hero-actions { margin-top: 18px; }
  .hero-actions .btn { min-height: 44px; }
  .stats { gap: 24px; margin-top: 22px; }
  .stats .stat b { font-size: 1.35rem; }
  .stats .stat span { font-size: 0.74rem; }
  .hero-card { max-width: none; padding: 18px; }
  .hc-number { font-size: clamp(1.6rem, 4vw, 2.2rem); }
  .hc-foot { gap: 12px; }
  .hc-price { font-size: 1.4rem; }
  .hc-foot .btn { min-height: 44px; }
  .section { padding: 28px 0; }
  .sec-head { margin-bottom: 16px; }
  .sec-head h2 { font-size: 1.3rem; }
  .sec-head .en { display: none; }
  .plat-grid { display: flex; gap: 12px; overflow-x: auto; padding: 2px 2px 12px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .plat-grid::-webkit-scrollbar { display: none; }
  .plat-tile { flex: 0 0 170px; flex-direction: column; align-items: flex-start; gap: 10px; padding: 14px; min-height: 0; }
  .pt-slogan { display: none; }
  .pt-count { margin-left: 0; }
  .notice-bar { margin: 12px 5% 0; border: 1px solid var(--border); border-radius: 10px; font-size: 0.78rem; }
  .marquee { margin: 12px 5%; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); }
  .marquee .chip { font-size: 0.8rem; }
  .prod-grid { gap: 12px; }
  .prod-card { padding: 16px; }
  .prod-number { font-size: clamp(1.4rem, 2.8vw, 1.7rem); }
  .buy-btn { min-height: 42px; padding: 0 18px; }
  .step { padding: 14px 16px; }
  .detail-main { padding: 28px 18px; }
  .detail-number { font-size: clamp(2rem, 7vw, 2.8rem); }
  .panel { padding: 16px; }
  .price-big { font-size: 1.85rem; }
  footer { padding: 28px 0 18px; margin-top: 28px; }
  .foot-bottom { margin-top: 20px; }
}

/* ---------------- 移动端细化（≤720px，覆盖在前） ---------------- */
@media (max-width: 720px) {
  /* 边距与顶栏：留足两侧呼吸空间 */
  .container, .topbar-inner { padding: 0 clamp(20px, 6vw, 40px); }
  .topbar-inner { height: 54px; gap: 16px; }
  .brand-mark { font-size: 1.05rem; }
  .nav { gap: 12px; }
  .nav-cta { min-height: 38px; padding: 0 14px; font-size: 0.78rem; }

  /* 首屏 */
  .hero { padding: 26px 0 20px; }
  .hero h1 { font-size: 1.58rem; line-height: 1.38; }
  .hero p.sub { font-size: 0.85rem; margin-top: 8px; }
  .hero-actions { margin-top: 16px; }
  .hero-actions .btn { flex: 1 1 auto; min-height: 44px; }
  .stats { gap: 20px; margin-top: 20px; }
  .stats .stat b { font-size: 1.25rem; }
  .stats .stat span { font-size: 0.72rem; }

  /* 首屏推荐卡 */
  .hero-card { max-width: none; padding: 18px; }
  .hc-number { font-size: 1.75rem; }
  .hc-foot { flex-direction: column; align-items: stretch; gap: 10px; }
  .hc-price { font-size: 1.35rem; }
  .hc-foot .btn { width: 100%; min-height: 44px; }

  /* 区块节奏 */
  .section { padding: 24px 0; }
  .sec-head { margin-bottom: 14px; }
  .sec-head h2 { font-size: 1.2rem; }
  .sec-head .en { display: none; }

  /* 平台磁贴：横向滑动条（移动端原生手势） */
  .plat-grid { display: flex; gap: 10px; overflow-x: auto; padding: 2px 2px 10px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .plat-grid::-webkit-scrollbar { display: none; }
  .plat-tile { flex: 0 0 150px; flex-direction: column; align-items: flex-start; gap: 8px; padding: 12px; min-height: 0; }
  .pt-slogan { display: none; }
  .pt-count { margin-left: 0; }

  /* 通栏改为浮层卡片：不再整条铺满 */
  .notice-bar { margin: 10px 14px 0; border: 1px solid var(--border); border-radius: 10px; font-size: 0.74rem; }
  .marquee { margin: 10px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); }
  .marquee .chip { font-size: 0.78rem; }

  /* 商品卡：触控友好 */
  .prod-grid { gap: 10px; }
  .prod-card { padding: 14px; }
  .prod-number { font-size: 1.5rem; margin-top: 10px; }
  .buy-btn { min-height: 40px; padding: 0 18px; font-size: 0.8rem; }

  /* 流程 / 详情 / 页脚 */
  .step { padding: 12px 14px; }
  .page-account main { padding-bottom: 84px; }
  .mobile-cta:not([hidden]) {
    display: flex; position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 90;
    align-items: center; justify-content: space-between; gap: 12px;
    background: var(--surface); border: 1px solid var(--border-strong); border-radius: 14px;
    padding: 10px 14px; box-shadow: var(--shadow-3);
  }
  .mobile-cta .mc-price { font-weight: 700; font-size: 1.25rem; color: var(--accent-bright); font-variant-numeric: tabular-nums; }
  .mobile-cta .mc-price::before { content: "¥"; font-size: 0.7em; margin-right: 1px; }
  .mobile-cta .mc-note { display: block; font-size: 0.68rem; color: var(--text-muted); }
  .mobile-cta .btn { min-height: 42px; padding: 0 20px; flex: none; }
  .detail-main { padding: 26px 16px; }
  .detail-number { font-size: 2rem; }
  .panel { padding: 14px; }
  .price-big { font-size: 1.75rem; }
  footer { padding: 24px 0 16px; margin-top: 24px; }
  .foot-bottom { margin-top: 18px; }
  .foot-bottom p { font-size: 0.7rem; }
}