* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #3f3a76;
  --primary-2: #6c63b8;
  --accent: #c9a961;
  --bg: #f6f5fb;
  --card: #ffffff;
  --text: #2b2a3a;
  --muted: #8a88a0;
  --danger: #d9534f;
  --ok: #2e9e6b;
  --radius: 14px;
  --shadow: 0 6px 22px rgba(63, 58, 118, .10);
}
html, body { height: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }

/* ---------- 顶部 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: linear-gradient(120deg, #312d5e, var(--primary) 55%, var(--primary-2));
  color: #fff;
  box-shadow: 0 2px 12px rgba(31, 28, 66, .35);
}
.header-inner {
  max-width: 1180px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; gap: 28px; flex-wrap: wrap;
}
.logo { font-size: 26px; font-weight: 800; letter-spacing: 2px; }
.logo span {
  color: var(--accent); font-weight: 400; font-size: 15px;
  margin-left: 8px; letter-spacing: 4px;
}
.nav { display: flex; gap: 6px; flex: 1; }
.nav-btn {
  border: none; background: transparent; color: #cfcbe9;
  font-size: 15px; padding: 8px 18px; border-radius: 999px;
  transition: all .2s;
}
.nav-btn:hover { color: #fff; background: rgba(255,255,255,.12); }
.nav-btn.active { color: #fff; background: rgba(255,255,255,.2); font-weight: 600; }
.user-area { display: flex; align-items: center; gap: 10px; }
.user-area .u-name { font-size: 14px; color: #e7e3ff; }
.user-area .u-name b { color: var(--accent); }
.text-btn {
  background: rgba(255,255,255,.14); color: #fff; border: none;
  padding: 7px 16px; border-radius: 999px; font-size: 13px;
  transition: background .2s;
}
.text-btn:hover { background: rgba(255,255,255,.28); }

/* ---------- 主体 ---------- */
.container { max-width: 1180px; margin: 0 auto; padding: 26px 20px 60px; }
.banner {
  background: linear-gradient(120deg, var(--primary) 10%, var(--primary-2) 90%);
  color: #fff; border-radius: var(--radius);
  padding: 44px 36px; margin-bottom: 26px;
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.banner-left { position: relative; z-index: 1; }
.banner-right { position: relative; z-index: 1; text-align: right; }
.banner::after {
  content: ""; position: absolute; right: -40px; top: -60px;
  width: 220px; height: 220px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.15);
  box-shadow: 0 0 0 30px rgba(255,255,255,.05), 0 0 0 60px rgba(255,255,255,.04);
}
.banner h2 { font-size: 34px; letter-spacing: 4px; }
.banner-slogan { margin-top: 12px; letter-spacing: 1px; }
.slogan-1 { font-size: 22px; font-weight: 700; color: #ffd98a; }
.slogan-2 { font-size: 17px; color: #e8e3ff; margin-top: 6px; }
.banner-sub { margin-top: 14px; color: #d9d5f2; letter-spacing: 2px; font-size: 14px; }
.list-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.list-head h3 { font-size: 20px; }
.list-count { color: var(--muted); font-size: 13px; }

/* ---------- 商品网格 ---------- */
.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 22px;
}
.card {
  background: var(--card); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
  transition: transform .22s, box-shadow .22s;
  cursor: pointer;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 14px 30px rgba(63,58,118,.18); }
.card-img { position: relative; aspect-ratio: 4 / 5; background: #f0eef8; }
.card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-tag {
  position: absolute; left: 12px; top: 12px;
  background: rgba(63,58,118,.92); color: #fff;
  font-size: 12px; padding: 3px 10px; border-radius: 999px;
}
.card-body { padding: 14px 16px 16px; }
.card-name { font-size: 15px; font-weight: 600; }
.card-price { margin-top: 6px; color: var(--danger); font-size: 18px; font-weight: 700; }
.card-price small { font-size: 12px; color: var(--muted); font-weight: 400; margin-left: 6px; }
.empty-tip { grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 60px 0; }

/* 分类窄分隔框 */
.cat-divider {
  grid-column: 1 / -1;
  display: flex; align-items: baseline; gap: 12px;
  background: linear-gradient(90deg, #ddd6f2, #e9e5f8);
  border-left: 5px solid var(--primary);
  border: 1px solid #c8c0ea;
  border-left-width: 5px;
  border-radius: 8px;
  padding: 8px 16px;
  margin: 26px 0 8px;
  box-shadow: 0 2px 6px rgba(63, 58, 118, .08);
}
.cat-divider:first-child { margin-top: 0; }
.cat-name { font-size: 17px; font-weight: 700; color: #2e2a5e; letter-spacing: 2px; flex: 0 0 auto; }
.cat-desc { font-size: 13px; color: var(--muted); margin-left: 15%; }
.cat-desc-tee { color: #e07a3f; }
.cat-desc-dress { color: #d4558f; }
.cat-desc-hoodie { color: #2f9e8f; }
.cat-desc-shirt { color: #5b6cc4; }
.cat-grid {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 22px;
}

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(24, 21, 48, .55);
  display: none; align-items: center; justify-content: center;
  padding: 20px;
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff; border-radius: 18px;
  max-width: 920px; width: 100%;
  max-height: 90vh; overflow: auto;
  position: relative; animation: pop .22s ease;
  box-shadow: 0 24px 60px rgba(0,0,0,.3);
}
.modal.auth { max-width: 400px; }
.modal.detail { max-width: 980px; }
@keyframes pop { from { transform: scale(.94); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-close {
  position: absolute; right: 14px; top: 10px;
  border: none; background: transparent; font-size: 28px;
  color: var(--muted); line-height: 1; z-index: 5;
  width: 36px; height: 36px; border-radius: 50%;
}
.modal-close:hover { color: var(--text); background: #f0eef8; }

/* 详情 */
.detail-body { display: flex; gap: 0; }
.pay-panel {
  width: 288px; flex-shrink: 0;
  background: #f6f5fb;
  border-left: 1px solid #e5e1f2;
  padding: 20px 16px 22px;
  display: none;
  flex-direction: column;
}
.pay-panel.show { display: flex; }
.pay-panel .pay-title { margin-bottom: 12px; }
.gallery { flex: 1; padding: 14px 12px 14px 14px; }
.gallery-main {
  position: relative; aspect-ratio: 1 / 1.05; overflow: hidden;
  background: #f4f2fb; border-radius: 12px;
}
.gallery-main img { width: 100%; height: 100%; object-fit: contain; }
.tag-badge {
  position: absolute; left: 12px; top: 12px;
  background: var(--accent); color: #3a2f14;
  font-size: 12px; padding: 3px 12px; border-radius: 999px;
}
.gallery-thumbs { display: flex; gap: 8px; margin-top: 10px; }
.thumb {
  width: 54px; height: 62px; border-radius: 8px; overflow: hidden;
  border: 2px solid transparent; padding: 0; background: #f0eef8;
  transition: border-color .2s;
}
.thumb img { width: 100%; height: 100%; object-fit: contain; }
.thumb.active { border-color: var(--primary-2); }
.detail-info { flex: 1; padding: 22px 18px 22px 6px; display: flex; flex-direction: column; }
.detail-info h2 { font-size: 21px; }
.detail-price { margin: 12px 0 4px; }
.price-now { color: var(--danger); font-size: 26px; font-weight: 800; }
.price-now small { font-size: 13px; color: var(--muted); font-weight: 400; }
.detail-desc { color: var(--muted); font-size: 14px; margin: 8px 0 10px; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.meta-chip {
  background: #f0eef8; color: var(--primary);
  font-size: 12px; padding: 4px 12px; border-radius: 999px;
}

/* 按钮 */
.btn-primary {
  border: none; background: linear-gradient(120deg, var(--primary), var(--primary-2));
  color: #fff; font-size: 15px; font-weight: 600;
  padding: 11px 20px; border-radius: 12px; letter-spacing: 2px;
  transition: filter .2s, transform .1s; width: 100%;
}
.btn-primary:hover { filter: brightness(1.12); }
.btn-primary:active { transform: scale(.98); }
.btn-buy { margin-top: auto; }

/* 登录注册 */
.auth-tabs { display: flex; margin: 26px 24px 6px; gap: 8px; }
.auth-tab {
  border: none; background: #f0eef8; color: var(--muted);
  padding: 8px 22px; border-radius: 999px; font-size: 14px;
}
.auth-tab.active { background: var(--primary); color: #fff; }
.auth-form { display: none; padding: 12px 24px 26px; flex-direction: column; gap: 14px; }
.auth-form.active { display: flex; }
.auth-form label { font-size: 13px; color: var(--muted); display: flex; flex-direction: column; gap: 6px; }
.auth-form input {
  border: 1.5px solid #ddd8ee; border-radius: 10px;
  padding: 11px 14px; font-size: 14px; outline: none;
  transition: border-color .2s;
}
.auth-form input:focus { border-color: var(--primary-2); }
.form-msg { font-size: 13px; min-height: 18px; }
.form-msg.err { color: var(--danger); }
.form-msg.ok { color: var(--ok); }

/* 支付 */
.pay { padding: 28px 28px 30px; }
.pay-title { text-align: center; font-size: 18px; margin-bottom: 12px; }
.pay-order { background: #f6f5fb; border-radius: 12px; padding: 12px 12px; margin-bottom: 12px; }
.pay-row { display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; font-size: 13px; }
.pay-row span { color: var(--muted); }
.pay-row b { font-weight: 600; word-break: break-all; text-align: right; }
.pay-amount { color: var(--danger); font-size: 18px; }
.pay-methods { display: flex; gap: 8px; margin-bottom: 10px; }
.pay-method {
  flex: 1; border: 1.5px solid #ddd8ee; background: #fff;
  padding: 8px; border-radius: 10px; font-size: 13px; color: var(--text);
}
.pay-method.active { border-color: var(--primary-2); background: #f0eefb; color: var(--primary); font-weight: 600; }
.pay-qr {
  width: 158px; height: 158px; margin: 4px auto 10px;
  border: 1px solid #e5e1f2; border-radius: 12px; padding: 8px;
  display: flex; align-items: center; justify-content: center;
}
.pay-qr svg { width: 100%; height: 100%; }
.pay-panel .form-msg { text-align: center; }

/* 提示 */
.toast {
  position: fixed; left: 50%; top: 20px; transform: translateX(-50%) translateY(-80px);
  background: #2b2a3a; color: #fff; padding: 11px 24px; border-radius: 999px;
  font-size: 14px; z-index: 999; opacity: 0; transition: all .3s;
  pointer-events: none; box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.ok { background: var(--ok); }
.toast.err { background: var(--danger); }

/* ---------- 底部公司信息 ---------- */
.site-footer {
  background: #23213a; color: #b9b6cf;
  padding: 30px 20px 26px; margin-top: 20px;
}
.footer-inner { max-width: 1180px; margin: 0 auto; text-align: center; }
.footer-brand {
  color: #fff; font-size: 18px; font-weight: 700; letter-spacing: 3px;
  margin-bottom: 12px;
}
.footer-info p { font-size: 13px; margin: 4px 0; }
.footer-icp a { color: #9a97b8; text-decoration: none; }
.footer-icp a:hover { color: #fff; text-decoration: underline; }
.footer-divider { margin: 0 6px; color: #6a6786; }
.footer-copy { margin-top: 10px; color: #7c7998; font-size: 12px; }

/* ---------- 购物车 ---------- */
.cart-btn {
  background: rgba(255,255,255,.16); color: #fff; border: none;
  padding: 8px 16px; border-radius: 999px; font-size: 14px;
  display: inline-flex; align-items: center; gap: 6px;
  transition: background .2s;
}
.cart-btn:hover { background: rgba(255,255,255,.3); }
.cart-badge {
  background: var(--danger); color: #fff; font-size: 11px;
  min-width: 18px; height: 18px; line-height: 18px; text-align: center;
  border-radius: 999px; padding: 0 5px;
}
.btn-row { display: flex; gap: 10px; margin-top: auto; }
.size-picker { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.size-label { color: var(--muted); font-size: 13px; }
.size-options { display: flex; gap: 8px; flex-wrap: wrap; }
.size-btn {
  min-width: 42px; height: 34px; padding: 0 10px;
  border: 1.5px solid #d5d0e8; background: #fff; color: var(--text);
  border-radius: 8px; font-size: 14px;
  transition: all .15s;
}
.size-btn:hover { border-color: var(--primary-2); }
.size-btn.active { border-color: var(--primary-2); background: var(--primary); color: #fff; font-weight: 600; }
.btn-add {
  border: 1.5px solid var(--primary-2); background: #fff; color: var(--primary);
  font-size: 15px; font-weight: 600; padding: 11px 18px; border-radius: 12px;
  letter-spacing: 1px; transition: all .2s; flex: 1;
}
.btn-add:hover { background: #f0eefb; }
.btn-buy { flex: 1; margin-top: 0; }
.modal.cart { max-width: 660px; }
.cart-title { text-align: center; margin: 26px 0 6px; font-size: 20px; }
.cart-tabs { display: flex; justify-content: center; gap: 8px; margin: 8px 0 4px; }
.cart-tab {
  border: none; background: #f0eef8; color: var(--muted);
  padding: 7px 22px; border-radius: 999px; font-size: 14px;
}
.cart-tab.active { background: var(--primary); color: #fff; }
.cart-body { padding: 12px 22px 26px; min-height: 220px; }
.cart-empty { text-align: center; color: var(--muted); padding: 50px 0; font-size: 14px; }
.cart-item {
  display: flex; align-items: center; gap: 12px;
  background: #f6f5fb; border-radius: 12px; padding: 10px 12px; margin-bottom: 10px;
}
.cart-item img { width: 52px; height: 60px; object-fit: contain; background: #fff; border-radius: 8px; }
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cart-item-price { color: var(--danger); font-size: 15px; font-weight: 700; margin-top: 2px; }
.cart-item-size { color: var(--muted); font-size: 11px; font-weight: 400; margin-left: 6px; }
.qty-box { display: flex; align-items: center; gap: 6px; }
.qty-btn {
  width: 24px; height: 24px; border-radius: 6px; border: 1px solid #d5d0e8;
  background: #fff; font-size: 14px; line-height: 1; color: var(--text);
}
.qty-btn:hover { background: #f0eef8; }
.qty-num { min-width: 22px; text-align: center; font-size: 14px; }
.cart-item-del {
  border: none; background: transparent; color: var(--muted); font-size: 16px;
  padding: 4px 6px; border-radius: 6px;
}
.cart-item-del:hover { color: var(--danger); background: #fdeeee; }
.cart-pay-btn {
  border: none; background: var(--primary); color: #fff;
  font-size: 12px; padding: 6px 12px; border-radius: 8px;
}
.cart-pay-btn:hover { filter: brightness(1.15); }
.cart-summary {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 4px 0; border-top: 1px solid #e5e1f2; margin-top: 6px;
}
.cart-summary .sum-label { color: var(--muted); font-size: 13px; }
.cart-summary .sum-amount { color: var(--danger); font-size: 20px; font-weight: 800; }
.bought-item {
  display: flex; align-items: center; gap: 12px;
  background: #f6f5fb; border-radius: 12px; padding: 10px 12px; margin-bottom: 10px;
}
.bought-item img { width: 52px; height: 60px; object-fit: contain; background: #fff; border-radius: 8px; }
.bought-info { flex: 1; min-width: 0; }
.bought-name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bought-meta { color: var(--muted); font-size: 12px; margin-top: 2px; }
.bought-amount { color: var(--ok); font-size: 15px; font-weight: 700; }

/* ---------- 联系客服 ---------- */
.service-btn {
  background: rgba(255,255,255,.16); color: #fff; border: none;
  padding: 8px 14px; border-radius: 999px; font-size: 13px;
  display: inline-flex; align-items: center; gap: 4px;
  transition: background .2s;
}
.service-btn:hover { background: rgba(255,255,255,.3); }
.modal.service { max-width: 420px; }
.service-title { text-align: center; margin: 26px 0 10px; font-size: 20px; }
.service-list { padding: 6px 24px 18px; display: flex; flex-direction: column; gap: 12px; }
.service-item { display: flex; gap: 12px; align-items: flex-start; background: #f6f5fb; border-radius: 12px; padding: 12px 14px; }
.service-icon { font-size: 22px; line-height: 1.2; }
.service-item b { font-size: 15px; }
.service-item p { color: var(--muted); font-size: 13px; margin-top: 2px; word-break: break-all; }
.modal.service .btn-primary { width: calc(100% - 48px); margin: 0 24px 26px; }

/* ---------- 收货地址（收银台） ---------- */
.pay-address { margin-bottom: 12px; }
.pay-address .pay-row { padding-bottom: 6px; font-weight: 600; color: var(--text); }
.pay-input {
  width: 100%; border: 1.5px solid #ddd8ee; border-radius: 8px;
  padding: 9px 12px; font-size: 13px; outline: none; margin-bottom: 8px;
  box-sizing: border-box; transition: border-color .2s;
}
.pay-input:focus { border-color: var(--primary-2); }

@media (max-width: 720px) {
  .header-inner { padding: 10px 14px; gap: 8px; flex-wrap: wrap; row-gap: 8px; }
  .logo { font-size: 20px; order: 0; }
  .logo span { font-size: 12px; letter-spacing: 2px; }
  .user-area { order: 1; margin-left: auto; }
  .service-btn { order: 2; padding: 6px 10px; font-size: 12px; }
  .cart-btn { order: 2; padding: 6px 12px; font-size: 13px; }
  .nav { order: 3; flex: 1; min-width: 0; justify-content: flex-start; overflow-x: auto; gap: 4px; -webkit-overflow-scrolling: touch; }
  .nav::-webkit-scrollbar { display: none; }
  .nav-btn { flex-shrink: 0; padding: 6px 14px; font-size: 14px; }
  .text-btn { padding: 6px 12px; font-size: 12px; }
  .container { padding: 14px 12px 40px; }
  .banner { padding: 22px 18px; border-radius: 12px; flex-direction: column; align-items: flex-start; gap: 10px; }
  .banner h2 { font-size: 24px; letter-spacing: 2px; }
  .banner-right { text-align: left; }
  .slogan-1 { font-size: 18px; }
  .slogan-2 { font-size: 14px; }
  .banner-sub { font-size: 13px; margin-top: 8px; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .cat-divider { font-size: 15px; margin: 20px 0 6px; gap: 8px; padding: 7px 12px; flex-wrap: wrap; }
  .cat-name { font-size: 15px; }
  .cat-desc { font-size: 12px; margin-left: 0; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .card-name { font-size: 14px; }
  .card-price { font-size: 16px; }
  .list-head h3 { font-size: 17px; }
  /* H5 弹层：底部滑出、全屏 */
  .modal-mask { padding: 0; align-items: flex-end; }
  .modal {
    border-radius: 18px 18px 0 0;
    max-height: 94vh;
    animation: slideUp .25s ease;
  }
  @keyframes slideUp { from { transform: translateY(40px); opacity: .4; } to { transform: translateY(0); opacity: 1; } }
  .modal.detail, .modal.cart, .modal.auth { max-width: 100%; }
  .modal.auth { margin: 0; }
  .detail-body { flex-direction: column; }
  .gallery { padding: 12px; }
  .gallery-main { aspect-ratio: 1 / 1; }
  .detail-info { padding: 4px 16px 20px; }
  .pay-panel { width: 100%; border-left: none; border-top: 1px solid #e5e1f2; }
  .size-btn { min-width: 38px; height: 32px; }
  .cart-body { padding: 12px 14px 22px; }
  .banner::after { display: none; }
}