/* ==========================================================================
   广东敏祺纸品 — 工业印刷极简设计系统
   - 配色：纸 + 墨 + 单一氧化物点缀
   - 字体：思源宋体（标题） / 系统无衬线（正文） / 等宽（数字）
   - 节奏：发丝边框取代阴影，宽松留白取代紧贴
   ========================================================================== */

:root {
  /* 表面 */
  --paper:        #f3eee3;   /* 主背景：纸面 */
  --paper-soft:   #fbf8f0;   /* 浅一档：顶栏/底栏 */
  --paper-card:   #ffffff;   /* 卡面 */
  --paper-deep:   #e9e2d0;   /* 深一档：分隔区 */

  /* 墨色 */
  --ink:          #16140f;   /* 主文字 / 主要描边 */
  --ink-2:        #3a3530;   /* 次要文字 */
  --sub:          #7a7064;   /* 辅助文字 / 小标 */
  --sub-2:        #a59b8a;   /* 极弱文字 */

  /* 描边 */
  --line:         #d8d1bf;   /* 主描边 */
  --line-2:       #ebe5d4;   /* 弱描边 */
  --line-strong:  #16140f;   /* 重描边 */

  /* 强调：单一氧化物（取代原来的红） */
  --accent:       #a23b1e;
  --accent-2:     #6b3416;
  --accent-soft:  #f1ddcd;

  /* 牛皮纸色：用于纸板/瓦楞的辅助色 */
  --kraft:        #a67c52;
  --kraft-2:      #7a5a3a;
  --kraft-soft:   #ece1cf;

  /* 状态色（更克制、低饱和） */
  --ok:           #2f6b3e;
  --ok-soft:      #e3ecdf;
  --warn:         #8a6d3b;
  --warn-soft:    #f3e7c9;
  --err:          #a23b1e;
  --err-soft:     #f5d9cf;
  --info:         #2b4a52;
  --info-soft:    #d6e1e2;

  /* 字体 */
  --font-display: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
  --font-body:    -apple-system, BlinkMacSystemFont, "PingFang SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono:    "JetBrains Mono", "SF Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;

  /* 圆角：克制 */
  --r-1: 0;
  --r-2: 2px;
  --r-3: 4px;
  --r-4: 8px;

  /* 间距 */
  --s-1: 8px;
  --s-2: 16px;
  --s-3: 24px;
  --s-4: 40px;
  --s-5: 64px;
  --s-6: 96px;
}

/* ============== 基础重置 ============== */
* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 纸面纹理：两个微弱的径向渐变模拟纸张的明暗 */
body {
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(255,255,255,0.5), transparent 55%),
    radial-gradient(ellipse at 90% 100%, rgba(0,0,0,0.025), transparent 50%);
  background-attachment: fixed;
  background-repeat: no-repeat;
  min-height: 100vh;
}

a {
  color: var(--ink);
  text-decoration: none;
  transition: color .2s;
  border-bottom: 1px solid transparent;
}
a:hover { color: var(--accent); border-bottom-color: var(--accent); }

img { max-width: 100%; display: block; }

::selection { background: var(--ink); color: var(--paper); }

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ============== 排版工具类 ============== */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
  margin-bottom: 14px;
}
.eyebrow.muted { color: var(--sub); }
.display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.15;
}
.lead {
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.8;
  max-width: 56ch;
}
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.muted, .text-muted { color: var(--sub); }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ============== 顶部导航 ============== */
.topbar {
  background: var(--paper-soft);
  border-bottom: 1px solid var(--ink);
  position: sticky;
  top: 0;
  z-index: 100;
}
.topbar .wrap {
  display: flex;
  align-items: stretch;
  min-height: 78px;
  gap: 32px;
}

/* 品牌区：墨底方块印 + 公司名 + 等宽小标 */
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  flex-shrink: 0;
  border-bottom: 0;
  color: inherit;
}
.brand:hover { border-bottom: 0; color: inherit; }
.brand-mark {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -1px;
  flex-shrink: 0;
}
.brand-text { line-height: 1.05; }
.brand-name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 1.5px;
  display: block;
  line-height: 1.1;
}
.brand-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--sub);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-top: 5px;
  display: block;
}

/* .logo 兼容旧结构 */
.logo {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 1.5px;
  display: inline-flex;
  align-items: center;
  height: 78px;
  flex-shrink: 0;
}

.nav {
  display: flex;
  gap: 0;
  align-items: stretch;
  flex: 1;
  justify-content: flex-end;
}
.nav a {
  color: var(--ink-2);
  padding: 0 18px;
  font-size: 14px;
  font-weight: 500;
  transition: all .2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
  white-space: nowrap;
  border-bottom: 0;
  align-self: stretch;
}
.nav a:hover {
  color: var(--accent);
  background: transparent;
  border-bottom: 0;
}
.nav a:hover svg { transform: none; }
.nav a.active {
  color: var(--accent);
  background: transparent;
}
.nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--accent);
}
.nav a svg { transition: none; }
.nav a span { letter-spacing: 0.5px; }

/* 问候小标 */
.nav .hi { color: var(--sub); font-size: 13px; align-self: center; }
.nav-hi {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 500;
  align-self: center;
  border-left: 1px solid var(--line);
  border-bottom: 0;
}
.nav-hi:hover { color: var(--ink-2); border-bottom: 0; }
.nav-hi svg { color: var(--sub); }

/* 购物车角标：方角、单色墨色 */
.nav-cart-link { position: relative; }
.nav-cart-link svg { stroke-width: 1.6; }
.nav-badge {
  position: absolute;
  top: 18px;
  right: 8px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  line-height: 16px;
  text-align: center;
  border-radius: 0;
  transform: scale(0);
  transition: transform .25s cubic-bezier(.5,1.6,.4,1);
}
.nav-badge:not(.nav-badge-zero) { transform: scale(1); }
@keyframes navBadgePop {
  0%   { transform: scale(0); }
  60%  { transform: scale(1.2); }
  100% { transform: scale(1); }
}
.nav-badge.bump { animation: navBadgePop .35s ease; }

/* 登录/注册/商家按钮：方角描边 */
.btn-mini {
  background: transparent;
  color: var(--ink-2);
  padding: 0 14px;
  font-size: 13px;
  align-self: center;
  border-left: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 0;
}
.btn-mini:hover { color: var(--accent); border-bottom: 0; }

.nav-login {
  color: var(--ink-2) !important;
  border-bottom: 0 !important;
}
.nav-login:hover { color: var(--accent) !important; }

.nav-register {
  background: var(--ink) !important;
  color: var(--paper) !important;
  padding: 0 22px !important;
  align-self: center;
  border-bottom: 0 !important;
  letter-spacing: 1px;
  font-size: 13px !important;
}
.nav-register:hover {
  color: var(--paper) !important;
  background: var(--accent) !important;
  border-bottom: 0 !important;
}
.nav-register svg { display: none; }

.nav-logout {
  background: transparent !important;
  color: var(--sub) !important;
  padding: 0 14px !important;
  align-self: center;
  font-size: 12px !important;
  border-left: 1px solid var(--line) !important;
  border-radius: 0 !important;
  letter-spacing: 1px;
}
.nav-logout:hover {
  color: var(--accent) !important;
  border-bottom: 0 !important;
}
.nav-logout svg { display: none; }

/* 商家按钮 */
.nav-merchant {
  background: transparent !important;
  color: var(--accent) !important;
  align-self: center;
  border-bottom: 0 !important;
  border-left: 1px solid var(--line) !important;
  padding: 0 18px !important;
  font-size: 13px;
  letter-spacing: 0.5px;
}
.nav-merchant:hover { color: var(--accent-2) !important; }
.nav-merchant-pending {
  color: var(--sub) !important;
  align-self: center;
  border-left: 1px solid var(--line);
  padding: 0 18px !important;
  font-size: 13px;
}
.nav-apply, .nav-merchant-login {
  color: var(--ink-2) !important;
  align-self: center;
  border-bottom: 0 !important;
  border-left: 1px solid var(--line) !important;
  padding: 0 18px !important;
  font-size: 13px;
}
.nav-apply:hover, .nav-merchant-login:hover { color: var(--accent) !important; }

/* ============== 主体 & 底栏 ============== */
main.wrap {
  min-height: calc(100vh - 78px - 60px);
  padding: var(--s-5) 24px var(--s-6);
}

.footer {
  background: var(--paper-soft);
  border-top: 1px solid var(--ink);
  padding: 0;
  color: var(--ink-2);
  font-size: 13px;
  margin-top: 0;
}
.footer-bottom {
  max-width: 1240px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--sub);
  flex-wrap: wrap;
  gap: var(--s-2);
}
.footer-bottom a { color: var(--sub); border-bottom: 0; }
.footer-bottom a:hover { color: var(--accent); border-bottom: 0; }
.footer-company {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 1.5px;
}

/* ============== 首页 Hero：分栏排版 ============== */
.hero {
  position: relative;
  background: transparent;
  margin-bottom: var(--s-5);
  border-bottom: 1px solid var(--line);
}

/* Hero 大幅 banner 图 */
.hero-banner {
  margin: var(--s-3) 0 0;
  border: 1px solid var(--ink);
  background: var(--paper-card);
  overflow: hidden;
  position: relative;
  aspect-ratio: 1000 / 420;
  max-height: 480px;
}
.hero-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-banner-cap {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--paper-soft);
  color: var(--ink);
  border: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  padding: 5px 10px;
  text-transform: uppercase;
  z-index: 1;
}
.hero-banner-cap::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--accent);
  display: inline-block;
}
.hero-banner-actions {
  position: absolute;
  left: 24px;
  bottom: 24px;
  display: flex;
  gap: 10px;
  z-index: 1;
}
.hero-banner-actions .btn {
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}
.hero-banner-actions .btn:hover {
  background: var(--accent);
  border-color: var(--accent);
}
.hero-banner-actions .btn-ghost {
  background: rgba(255,255,255,0.85);
  color: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  backdrop-filter: blur(4px);
}
.hero-banner-actions .btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

/* 编辑式头部小标 */
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 14px;
}
.hero-eyebrow::before {
  content: "";
  display: inline-block;
  width: 36px; height: 1px;
  background: var(--accent);
}

/* Hero 右侧：纸样展示 */
.hero-specimen {
  border: 1px solid var(--ink);
  background: var(--paper-card);
  position: relative;
  aspect-ratio: 4 / 5;
  padding: var(--s-3);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.hero-specimen::before,
.hero-specimen::after {
  content: "";
  position: absolute;
  background: var(--ink);
}
.hero-specimen::before {
  top: 8px; right: 8px;
  width: 14px; height: 14px;
}
.hero-specimen::after {
  bottom: 8px; right: 8px;
  width: 14px; height: 14px;
  background: transparent;
  border: 1px solid var(--ink);
}
.specimen-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--sub);
}
.specimen-head .no { color: var(--ink); font-weight: 600; }
.specimen-body {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1.2;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 1px;
}
.specimen-body small {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sub);
  font-weight: 400;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.specimen-foot {
  display: flex;
  justify-content: space-between;
  align-items: end;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--sub);
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
.specimen-foot strong { color: var(--ink); font-weight: 600; }

/* Hero 数据条 */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: var(--s-5);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.hero-stats .stat {
  padding: 22px 20px 22px 0;
  border-right: 1px solid var(--line);
}
.hero-stats .stat:last-child { border-right: 0; padding-right: 0; }
.hero-stats .stat:not(:first-child) { padding-left: 24px; }
.hero-stats .stat .num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}
.hero-stats .stat .lab {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sub);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* ============== 区块标题：横线小标 + 宋体大标 ============== */
.sec-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin: var(--s-5) 0 var(--s-3);
  gap: var(--s-3);
  flex-wrap: wrap;
  border-top: 1px solid var(--ink);
  padding-top: var(--s-3);
}
.sec-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.5px;
  line-height: 1.2;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
}
.sec-title::before { content: none; }
.sec-title small {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 500;
  display: inline-block;
}
.sec-link {
  font-size: 13px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--ink);
  padding: 2px 0;
}
.sec-link:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ============== Hero 右侧：瓦楞纸样卡 ============== */
.hero-specimen.kraft {
  background: var(--kraft-soft);
  border-color: var(--ink);
}
.hero-specimen.kraft::before,
.hero-specimen.kraft::after {
  background: var(--ink);
}
.specimen-corrugation {
  position: absolute;
  top: 60px; left: 0; right: 0;
  height: 18px;
  background:
    repeating-linear-gradient(90deg,
      var(--kraft-2) 0 2px,
      transparent 2px 7px);
  opacity: 0.45;
}
.specimen-corrugation.top { top: 60px; }
.specimen-corrugation.mid { top: 180px; opacity: 0.3; }
.specimen-corrugation.bot { top: 290px; opacity: 0.45; }
.specimen-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--kraft-2);
  background: var(--paper-card);
  border: 1px solid var(--kraft-2);
  padding: 2px 8px;
  margin-top: 6px;
  text-transform: uppercase;
}

/* ============== 产品矩阵：4 类纸品 ============== */
.matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--ink);
  background: var(--paper-card);
  margin-top: var(--s-3);
}
.matrix-cell {
  padding: 32px 28px 28px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  background: var(--paper-card);
  transition: background .2s;
  min-height: 280px;
}
.matrix-cell:last-child { border-right: 0; }
.matrix-cell:hover {
  background: var(--paper-soft);
}
.matrix-cell .m-no {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--sub);
  text-transform: uppercase;
}
.matrix-cell .m-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: var(--paper-soft);
}
.matrix-cell .m-icon svg {
  width: 30px;
  height: 30px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.matrix-cell .m-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 1px;
  line-height: 1.2;
}
.matrix-cell .m-en {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--sub);
  text-transform: uppercase;
  margin-top: -8px;
}
.matrix-cell .m-desc {
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.7;
  margin-top: auto;
}
.matrix-cell .m-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--sub);
  letter-spacing: 1px;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
  text-transform: uppercase;
}
.matrix-cell .m-specs span::before { content: "·"; margin-right: 6px; color: var(--line); }
.matrix-cell .m-specs span:first-child::before { content: none; }
.matrix-cell .m-link {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--ink);
  align-self: flex-start;
  padding-bottom: 2px;
}
.matrix-cell .m-link:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* 纸板卡：轻微牛皮底 */
.matrix-cell.cell-board {
  background: var(--kraft-soft);
}
.matrix-cell.cell-board .m-icon { background: var(--paper-card); }

/* ============== 商品卡片：纸样卡 ============== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.card {
  background: var(--paper-card);
  border-radius: 0;
  overflow: hidden;
  box-shadow: none;
  transition: background .2s;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  position: relative;
}
.card:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--line);
  background: var(--paper-soft);
}
.card .img-wrap {
  overflow: hidden;
  background: var(--paper-soft);
  aspect-ratio: 4 / 3;
  position: relative;
}
.card .img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--paper-soft);
  transition: transform .5s, opacity .2s;
}
.card:hover .img { transform: scale(1.03); opacity: 0.92; }
.card .body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
  border-top: 1px solid var(--line);
}
.card .id {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--sub);
  letter-spacing: 1.5px;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.card .name {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.4;
  min-height: 44px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.card .meta {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.card .price {
  color: var(--ink);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.5px;
  font-variant-numeric: tabular-nums;
}
.card .price small {
  font-size: 11px;
  color: var(--sub);
  margin-right: 2px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.card .btn {
  margin-top: 0;
  text-align: center;
  background: transparent;
  color: var(--ink);
  padding: 7px 14px;
  border: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  box-shadow: none;
  border-radius: 0;
  transition: all .15s;
}
.card .btn:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  transform: none;
  box-shadow: none;
}

/* ============== 通用按钮：方角描边 ============== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 0;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: all .2s;
  text-decoration: none;
}
.btn:hover {
  background: var(--accent);
  color: var(--paper);
  border-color: var(--accent);
  transform: none;
  border-bottom-color: var(--accent);
}
.btn:active { transform: none; }
.btn.gray {
  background: transparent;
  color: var(--ink-2);
  border-color: var(--line);
  box-shadow: none;
}
.btn.gray:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn.danger {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--paper);
}
.btn.danger:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: none;
}
.btn-outline:hover {
  background: var(--ink);
  color: var(--paper);
  transform: none;
  border-color: var(--ink);
}
.btn-link {
  background: transparent;
  color: var(--ink);
  border: 0;
  border-bottom: 1px solid var(--ink);
  padding: 2px 0;
  box-shadow: none;
  border-radius: 0;
}
.btn-link:hover { color: var(--accent); border-bottom-color: var(--accent); background: transparent; }
.btn-lg { padding: 14px 32px; font-size: 15px; }
.btn-sm { padding: 6px 14px; font-size: 12px; letter-spacing: 1px; }
.btn-block { display: flex; width: 100%; justify-content: center; }

/* ============== 表单 ============== */
.form {
  background: var(--paper-card);
  padding: 40px 40px 32px;
  border: 1px solid var(--ink);
  max-width: 480px;
  margin: var(--s-4) auto;
  box-shadow: none;
  border-radius: 0;
  position: relative;
}
.form::before {
  content: "";
  position: absolute;
  top: 8px; left: 8px; right: 8px; bottom: 8px;
  border: 1px solid var(--line);
  pointer-events: none;
}
.form h2 {
  margin-bottom: 24px;
  text-align: center;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 1px;
}
.form h2 + .form-eyebrow {
  display: block;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--sub);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin: -18px 0 24px;
}
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sub);
  margin-bottom: 6px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 500;
}
.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  font-size: 14px;
  background: var(--paper-soft);
  color: var(--ink);
  transition: border-color .2s;
  font-family: inherit;
}
.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--accent);
  border-bottom-color: var(--accent);
  background: var(--paper-card);
  box-shadow: none;
}
.form-row textarea { height: 110px; resize: vertical; }
.form .btn { width: 100%; padding: 14px; font-size: 14px; justify-content: center; }
.form .alt {
  text-align: center;
  font-size: 13px;
  color: var(--sub);
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.form .alt a { color: var(--ink); border-bottom: 1px solid var(--ink); }
.form .alt a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* 协议 */
.form-agree {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 12px;
  color: var(--sub);
  margin: 6px 0 18px;
  padding: 10px 14px;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 0;
  cursor: pointer;
  user-select: none;
}
.form-agree input[type=checkbox] {
  width: 14px; height: 14px;
  margin-right: 4px;
  accent-color: var(--ink);
  cursor: pointer;
}
.form-agree a { color: var(--ink); border-bottom: 1px solid var(--ink); }
.form-agree a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* fieldset 商家入驻 */
.form-fs {
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 18px 22px 8px;
  margin: 0 0 20px;
  background: var(--paper-soft);
}
.form-fs legend {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink);
  padding: 0 10px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 3px 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.form-fs .form-row { margin-bottom: 14px; }
.check { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }

/* ============== 表格 ============== */
.table {
  width: 100%;
  background: var(--paper-card);
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 0;
  overflow: hidden;
  box-shadow: none;
  border: 1px solid var(--ink);
  font-size: 14px;
}
.table th, .table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  text-align: left;
  font-size: 14px;
  vertical-align: middle;
}
.table th:last-child, .table td:last-child { border-right: 0; }
.table th {
  background: var(--paper-soft);
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--ink-2);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-bottom: 1px solid var(--ink);
}
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--paper-soft); }
.table.info th, .table.info td { background: transparent; }
.table.info th {
  width: 100px;
  color: var(--sub);
  font-weight: 500;
  background: transparent;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}

/* ============== 商品详情 ============== */
.detail {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--s-5);
  background: var(--paper-card);
  padding: var(--s-4);
  border: 1px solid var(--ink);
  box-shadow: none;
  border-radius: 0;
  position: relative;
}
.detail .img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: 0;
  background: var(--paper-soft);
  border: 1px solid var(--line);
}
.detail h1 {
  font-family: var(--font-display);
  font-size: 30px;
  margin-bottom: 12px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.detail .sku {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sub);
  letter-spacing: 1.5px;
  margin-bottom: var(--s-2);
  text-transform: uppercase;
}
.detail .price {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  margin: var(--s-3) 0;
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  padding: var(--s-2) 0;
}
.detail .price small {
  font-size: 12px;
  color: var(--sub);
  margin-right: 8px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
.detail .merchant {
  background: var(--paper-soft);
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink);
  margin: var(--s-2) 0;
  font-size: 14px;
  color: var(--ink-2);
  border-radius: 0;
}
.detail .merchant strong { color: var(--ink); margin-right: 4px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; }
.detail .merchant .merchant-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  line-height: 1.9;
}
.detail .merchant .merchant-row + .merchant-row { margin-top: 4px; }
.detail .merchant .merchant-name {
  color: var(--ink);
  font-weight: 700;
  border-bottom: 1px solid var(--ink);
}
.detail .merchant .merchant-name:hover { color: var(--accent); border-bottom-color: var(--accent); }
.detail .merchant .merchant-contact { color: var(--ink); font-weight: 500; word-break: break-all; }
.detail .merchant .merchant-actions-row {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.detail .desc {
  margin-top: var(--s-2);
  line-height: 1.9;
  color: var(--ink-2);
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 14px;
}
.detail .actions {
  margin-top: var(--s-3);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: var(--s-2);
  border-top: 1px solid var(--line);
}
.detail .qty {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--ink);
  border-radius: 0;
  overflow: hidden;
  background: var(--paper-card);
}
.detail .qty button {
  width: 40px;
  background: var(--paper-soft);
  cursor: pointer;
  font-size: 18px;
  color: var(--ink);
  transition: all .2s;
  border: 0;
  font-family: var(--font-mono);
}
.detail .qty button:hover { background: var(--ink); color: var(--paper); }
.detail .qty input {
  width: 60px;
  text-align: center;
  border: 0;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  font-size: 14px;
  background: var(--paper-card);
  font-family: var(--font-mono);
  color: var(--ink);
}
.btn-sm {
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: 1px;
  border-radius: 0;
}
.btn-sm:hover { transform: none; }

/* ============== 提示与标签 ============== */
.alert {
  padding: 14px 18px;
  border-radius: 0;
  margin-bottom: 18px;
  font-size: 14px;
  border: 1px solid;
  background: var(--paper-card);
  position: relative;
  padding-left: 44px;
}
.alert::before {
  content: "!";
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  width: 22px; height: 22px;
  border: 1px solid currentColor;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}
.alert.ok    { background: var(--ok-soft);    color: var(--ok);    border-color: var(--ok); }
.alert.err   { background: var(--err-soft);   color: var(--err);   border-color: var(--err); }
.alert.info  { background: var(--info-soft);  color: var(--info);  border-color: var(--info); }

.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: 1px solid;
  background: transparent;
}
.tag.user      { color: var(--info); border-color: var(--info); }
.tag.merchant  { color: var(--warn); border-color: var(--warn); }
.tag.admin     { color: var(--ink-2); border-color: var(--ink-2); }
.tag.on        { color: var(--ok); border-color: var(--ok); }
.tag.off       { color: var(--sub); border-color: var(--sub); }
.tag.pending   { color: var(--warn); border-color: var(--warn); }
.tag.approved  { color: var(--ok); border-color: var(--ok); }
.tag.rejected  { color: var(--err); border-color: var(--err); }

/* ============== 购物车 ============== */
.cart-table .qty {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--ink);
  border-radius: 0;
  overflow: hidden;
}
.cart-table .qty input {
  width: 60px;
  text-align: center;
  padding: 7px;
  border: 0;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  font-size: 14px;
  background: var(--paper-card);
  font-family: var(--font-mono);
}
.cart-table .qty button {
  width: 34px;
  background: var(--paper-soft);
  cursor: pointer;
  font-size: 15px;
  color: var(--ink);
  border: 0;
  transition: all .2s;
  font-family: var(--font-mono);
}
.cart-table .qty button:hover { background: var(--ink); color: var(--paper); }

.cart-summary {
  background: var(--paper-card);
  padding: 24px 28px;
  border: 1px solid var(--ink);
  margin-top: var(--s-3);
  text-align: right;
  box-shadow: none;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--s-2);
}
.cart-summary .label { color: var(--sub); font-size: 12px; font-family: var(--font-mono); letter-spacing: 2px; text-transform: uppercase; }
.cart-summary .total {
  font-family: var(--font-mono);
  font-size: 32px;
  color: var(--ink);
  font-weight: 700;
  margin-left: 12px;
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
}
.cart-summary .total small { font-size: 12px; color: var(--sub); margin-right: 6px; font-weight: 400; }
.cart-summary .btn { margin-left: 20px; }

/* ============== 商品列表页筛选/搜索 ============== */
.toolbar {
  background: var(--paper-card);
  padding: 18px 22px;
  border: 1px solid var(--ink);
  margin-bottom: var(--s-3);
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: none;
  flex-wrap: wrap;
}
.toolbar form { display: flex; gap: 12px; flex: 1; }
.toolbar input[type="text"] {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  font-size: 14px;
  background: var(--paper-soft);
  min-width: 0;
  font-family: inherit;
}
.toolbar input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--paper-card);
  box-shadow: none;
}

/* ============== 空状态 ============== */
.empty {
  background: var(--paper-card);
  border: 1px dashed var(--line);
  border-radius: 0;
  padding: 80px 20px;
  text-align: center;
  color: var(--sub);
  grid-column: 1 / -1;
}
.empty .icon {
  font-size: 36px;
  margin-bottom: 16px;
  opacity: 0.5;
  font-family: var(--font-display);
}

/* ============== 后台 ============== */
.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
  background: var(--paper);
}
.admin-side {
  background: var(--paper-soft);
  color: var(--ink);
  padding: var(--s-3) 0;
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
}
.admin-side h2 {
  text-align: left;
  padding: 0 24px var(--s-2);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  background: none;
  -webkit-text-fill-color: var(--ink);
  margin: 0 0 var(--s-2);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.admin-side h2::before {
  content: "敏";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
}
.admin-side a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-2);
  padding: 12px 24px;
  font-size: 14px;
  border-left: 2px solid transparent;
  transition: all .2s;
  border-bottom: 0;
}
.admin-side a:hover {
  background: var(--paper);
  color: var(--ink);
  border-left-color: var(--line);
  border-bottom: 0;
}
.admin-side a.active {
  background: var(--paper);
  color: var(--ink);
  border-left-color: var(--accent);
  font-weight: 600;
}
.admin-side a::before {
  content: "—";
  font-family: var(--font-mono);
  color: var(--sub-2);
  font-size: 12px;
}
.admin-side a.active::before { color: var(--accent); }
.admin-main { padding: var(--s-3) var(--s-4); }
.admin-top {
  background: var(--paper-card);
  padding: 18px 24px;
  border: 1px solid var(--ink);
  margin-bottom: var(--s-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: none;
  font-weight: 600;
  font-family: var(--font-display);
  font-size: 18px;
  border-radius: 0;
}
.admin-top > div { display: flex; align-items: center; gap: 10px; font-family: var(--font-body); font-size: 13px; font-weight: 400; }
.admin-top .muted { color: var(--sub); font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; }
.admin-card {
  background: var(--paper-card);
  padding: 24px 28px;
  border: 1px solid var(--ink);
  box-shadow: none;
  border-radius: 0;
  margin-bottom: var(--s-3);
  position: relative;
}
.admin-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.admin-card h3::before {
  content: "§";
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 16px;
}
.admin-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* 分页 */
.pagination {
  margin: var(--s-3) 0;
  text-align: center;
  display: flex;
  gap: 0;
  justify-content: center;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: var(--s-3);
}
.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-right: 0;
  font-size: 13px;
  color: var(--ink-2);
  transition: all .2s;
  min-width: 38px;
  font-family: var(--font-mono);
}
.pagination a:last-child, .pagination span:last-child { border-right: 1px solid var(--line); }
.pagination a:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.pagination .current {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  font-weight: 600;
}

/* ============== 统计卡片 ============== */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0;
  margin-bottom: var(--s-3);
  border: 1px solid var(--ink);
  background: var(--paper-card);
}
.stat-card {
  background: transparent;
  padding: 22px 24px;
  border-radius: 0;
  box-shadow: none;
  border: 0;
  border-right: 1px solid var(--line);
  position: relative;
}
.stat-card:last-child { border-right: 0; }
.stat-card::before { content: none; }
.stat-card .label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sub);
  margin-bottom: 8px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.stat-card .value {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
}

/* ============== 商家店铺页（前台 store.php） ============== */
.store-header {
  position: relative;
  background: var(--paper-card);
  border: 1px solid var(--ink);
  overflow: hidden;
  box-shadow: none;
  margin-bottom: var(--s-3);
}
.store-cover {
  height: 160px;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.store-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(45deg, transparent 0 12px, rgba(255,255,255,0.03) 12px 13px),
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.08), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.05), transparent 40%);
}
.store-cover .cover-no {
  position: absolute;
  top: 18px; right: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 2px;
  z-index: 1;
}
.store-header-inner {
  display: flex;
  align-items: flex-end;
  gap: 24px;
  padding: 0 28px 24px;
  margin-top: -50px;
  position: relative;
}
.store-avatar {
  width: 100px;
  height: 100px;
  flex-shrink: 0;
  background: var(--ink);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 4px var(--paper-soft);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 700;
}
.store-avatar span {
  line-height: 1;
}
.store-meta {
  flex: 1;
  min-width: 0;
  padding-top: 56px;
}
.store-name {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.store-name h1 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.5px;
}
.store-desc {
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.8;
  max-width: 720px;
  word-break: break-word;
}

/* 店铺信息 */
.store-info {
  background: var(--paper-card);
  border: 1px solid var(--ink);
  padding: 28px 32px;
  box-shadow: none;
  margin-bottom: var(--s-3);
  border-radius: 0;
}
.store-info .sec-title { margin: 0 0 20px; }
.store-info-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--s-3);
  align-items: start;
}
.store-info-main .table.info th { width: 110px; }
.store-contact { color: var(--ink); font-weight: 600; word-break: break-all; font-family: var(--font-mono); }

.store-license-card {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 16px;
  text-align: center;
}
.store-license-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--sub);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.store-license-link {
  display: block;
  border-radius: 0;
  overflow: hidden;
  background: var(--paper-card);
  border: 1px solid var(--line);
  padding: 4px;
  transition: border-color .2s;
}
.store-license-link:hover {
  border-color: var(--ink);
  transform: none;
  box-shadow: none;
}
.store-license-img {
  width: 100%;
  max-height: 280px;
  object-fit: contain;
  display: block;
  background: var(--paper-card);
}
.store-license-empty {
  padding: 40px 10px;
  color: var(--sub);
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 1px;
}
.store-license-empty .icon {
  font-size: 32px;
  opacity: .55;
  margin-bottom: 6px;
  font-family: var(--font-display);
}

.store-products {
  background: var(--paper-card);
  border: 1px solid var(--ink);
  padding: 28px 32px;
  box-shadow: none;
  margin-bottom: var(--s-3);
  border-radius: 0;
}
.store-products .sec-title { margin: 0 0 20px; }

@media (max-width: 768px) {
  .store-cover { height: 110px; }
  .store-header-inner { flex-direction: column; align-items: center; text-align: center; padding: 0 18px 18px; }
  .store-meta { padding-top: 0; }
  .store-name { justify-content: center; }
  .store-name h1 { font-size: 20px; }
  .store-info-grid { grid-template-columns: 1fr; }
  .store-info, .store-products { padding: 22px 18px; }
}

/* ============== 响应式 ============== */
@media (max-width: 960px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stats .stat:nth-child(2) { border-right: 0; }
  .hero-stats .stat:nth-child(1),
  .hero-stats .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .matrix { grid-template-columns: repeat(2, 1fr); }
  .matrix-cell:nth-child(2) { border-right: 0; }
  .matrix-cell:nth-child(1),
  .matrix-cell:nth-child(2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 768px) {
  .topbar .wrap { min-height: 60px; gap: 8px; padding: 0 16px; }
  .brand-mark { width: 36px; height: 36px; font-size: 20px; }
  .brand-name { font-size: 15px; letter-spacing: 0.5px; }
  .brand-tag { font-size: 9px; letter-spacing: 1.5px; }
  .nav { gap: 0; overflow-x: auto; }
  .nav a { padding: 0 10px; font-size: 12px; }
  .nav a span { display: none; }
  .nav a svg { display: inline-block; }
  .nav-register, .nav-hi, .nav-merchant, .nav-apply, .nav-merchant-login, .nav-merchant-pending { padding: 0 8px !important; font-size: 11px !important; }
  .nav-logout { padding: 0 8px !important; border-left: 0 !important; }
  .nav-badge { top: 10px; right: 0; }
  .hero { padding: var(--s-3) 0 var(--s-3); margin-bottom: var(--s-3); }
  .hero-eyebrow { font-size: 10px; letter-spacing: 3px; }
  .hero-banner { aspect-ratio: 5 / 3; max-height: none; }
  .hero-banner-actions { left: 14px; bottom: 14px; gap: 6px; }
  .hero-banner-actions .btn { padding: 8px 14px; font-size: 12px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); margin-top: var(--s-3); }
  .hero-stats .stat { padding: 14px 12px; }
  .hero-stats .stat .num { font-size: 24px; }
  main.wrap { padding: var(--s-3) 16px var(--s-4); }
  .detail { grid-template-columns: 1fr; padding: 20px; gap: var(--s-3); }
  .detail .price { font-size: 32px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .card .body { padding: 14px 16px 16px; }
  .card .name { font-size: 14px; min-height: 40px; }
  .card .price { font-size: 17px; }
  .form { margin: var(--s-3) 12px; padding: 28px 22px; }
  .admin-layout { grid-template-columns: 1fr; }
  .admin-side { position: static; height: auto; }
  .admin-side h2 { padding: 0 18px var(--s-2); }
  .admin-side a { padding: 10px 18px; }
  .admin-main { padding: var(--s-2); }
  .footer-inner { grid-template-columns: 1fr; padding: var(--s-3) 16px var(--s-2); }
  .footer-bottom { flex-direction: column; align-items: flex-start; padding: var(--s-2) 16px; }
  .sec-title { font-size: 24px; }
  .matrix { grid-template-columns: 1fr; }
  .matrix-cell { border-right: 0; border-bottom: 1px solid var(--line); min-height: auto; padding: 24px 22px; }
  .matrix-cell:last-child { border-bottom: 0; }
  .matrix-cell .m-title { font-size: 20px; }
}

/* ============== 动画 ============== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card, .form, .detail, .admin-card, .modal, .hero-specimen { animation: fadeIn .4s ease; }

/* ============== 商品介绍区 ============== */
.detail-intro {
  background: var(--paper-card);
  border: 1px solid var(--ink);
  padding: 32px 40px 40px;
  margin-top: var(--s-3);
  box-shadow: none;
  border-radius: 0;
  position: relative;
}
.detail-intro .sec-title { margin: 0 0 24px; }
.detail-intro-body {
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-2);
  word-break: break-word;
}
.detail-intro-body p { margin: 0 0 14px; }
.detail-intro-body h1, .detail-intro-body h2,
.detail-intro-body h3, .detail-intro-body h4 {
  margin: 26px 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0;
}
.detail-intro-body h1 { font-size: 22px; }
.detail-intro-body h2 { font-size: 19px; }
.detail-intro-body h3 { font-size: 17px; }
.detail-intro-body ul, .detail-intro-body ol { padding-left: 26px; margin: 0 0 16px; }
.detail-intro-body li { margin-bottom: 6px; }
.detail-intro-body img { max-width: 100%; height: auto; border-radius: 0; margin: 12px 0; display: block; box-shadow: none; border: 1px solid var(--line); }
.detail-intro-body a { color: var(--ink); border-bottom: 1px solid var(--ink); }
.detail-intro-body a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.detail-intro-body blockquote {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  margin: 14px 0;
  padding: 12px 18px;
  color: var(--ink-2);
  font-style: italic;
}
.detail-intro-body .muted, .muted { color: var(--sub); text-align: center; padding: 24px 0; }

/* ============== 富文本编辑器 ============== */
.rt-wrap {
  border: 1px solid var(--line);
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  background: var(--paper-card);
  overflow: hidden;
  transition: border-color .2s;
}
.rt-wrap:focus-within { border-color: var(--accent); border-bottom-color: var(--accent); box-shadow: none; }
.rt-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 8px 10px;
  background: var(--paper-soft);
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}
.rt-btn {
  min-width: 32px;
  height: 30px;
  padding: 0 8px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  font-size: 13px;
  color: var(--ink);
  font-weight: 600;
  transition: all .15s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
}
.rt-btn:hover { background: var(--paper-card); border-color: var(--line); color: var(--accent); }
.rt-btn:active { transform: none; }
.rt-sep { width: 1px; background: var(--line); margin: 4px 4px; align-self: stretch; }
.rt-content {
  min-height: 240px;
  padding: 16px 20px;
  outline: none;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink);
  background: var(--paper-card);
  font-family: var(--font-body);
}
.rt-content:empty::before { content: attr(data-placeholder); color: var(--sub-2); pointer-events: none; }
.rt-content h1, .rt-content h2, .rt-content h3 { margin: 16px 0 10px; font-family: var(--font-display); }
.rt-content p { margin: 0 0 12px; }
.rt-content img { max-width: 100%; height: auto; border-radius: 0; margin: 8px 0; display: block; border: 1px solid var(--line); }
.rt-content ul, .rt-content ol { padding-left: 26px; margin: 0 0 12px; }
.rt-content blockquote {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  margin: 12px 0;
  padding: 8px 14px;
}
.rt-content a { color: var(--ink); border-bottom: 1px solid var(--ink); }

/* .rt-editor 兼容 */
.rt-editor {
  min-height: 240px;
  padding: 16px 20px;
  outline: none;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink);
  background: var(--paper-card);
  border-radius: 0;
  word-break: break-word;
  font-family: var(--font-body);
}
.rt-editor:empty::before { content: attr(data-placeholder); color: var(--sub-2); pointer-events: none; }
.rt-editor h1, .rt-editor h2, .rt-editor h3 { margin: 16px 0 10px; font-family: var(--font-display); }
.rt-editor p { margin: 0 0 12px; }
.rt-editor img { max-width: 100%; height: auto; border-radius: 0; margin: 8px 0; display: block; border: 1px solid var(--line); }
.rt-editor ul, .rt-editor ol { padding-left: 26px; margin: 0 0 12px; }
.rt-editor blockquote {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  margin: 12px 0;
  padding: 8px 14px;
}
.rt-editor a { color: var(--ink); border-bottom: 1px solid var(--ink); }

/* ============== Modal 弹窗 ============== */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(22, 20, 15, 0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  animation: maskIn .2s ease;
}
.modal-mask[hidden] { display: none; }
@keyframes maskIn { from { opacity: 0 } to { opacity: 1 } }

.modal {
  background: var(--paper-card);
  border: 1px solid var(--ink);
  box-shadow: 0 24px 60px rgba(22,20,15,0.25);
  width: 92%;
  max-width: 460px;
  max-height: 90vh;
  overflow: hidden;
  display: flex; flex-direction: column;
  animation: modalIn .25s cubic-bezier(.22,1.4,.36,1);
  border-radius: 0;
  position: relative;
}
.modal::before {
  content: "";
  position: absolute;
  top: 6px; left: 6px; right: 6px; bottom: 6px;
  border: 1px solid var(--line);
  pointer-events: none;
}
.modal-md { max-width: 500px; }
.modal-sm { max-width: 400px; }
@keyframes modalIn {
  from { transform: translateY(20px) scale(.98); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}

.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--ink);
  background: var(--paper-soft);
  position: relative;
}
.modal-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.5px;
}
.modal-close {
  background: transparent;
  border: 0;
  font-size: 20px;
  line-height: 1;
  width: 30px; height: 30px;
  color: var(--sub);
  cursor: pointer;
  transition: all .15s;
  font-family: var(--font-mono);
}
.modal-close:hover { background: var(--ink); color: var(--paper); }

.modal-body { padding: 24px; overflow: auto; }
.modal-body .form-row { margin-bottom: 16px; }
.modal-body .form-row:last-child { margin-bottom: 0; }
.modal-body .form-row label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sub);
  margin-bottom: 6px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.modal-body input[type=text],
.modal-body input[type=tel],
.modal-body textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  font-size: 14px;
  color: var(--ink);
  background: var(--paper-soft);
  transition: border-color .15s;
  font-family: inherit;
}
.modal-body input:focus, .modal-body textarea:focus {
  border-color: var(--accent);
  border-bottom-color: var(--accent);
  outline: none;
  box-shadow: none;
  background: var(--paper-card);
}
.modal-body textarea { resize: vertical; min-height: 70px; }

.modal-foot {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--line);
  background: var(--paper-soft);
  margin: 0;
}
.modal-foot .btn { margin: 0; }

/* 付款二维码 */
.pay-body { padding: 24px 24px 8px; text-align: center; }
.pay-amount { margin-bottom: 18px; }
.pay-amount small {
  font-family: var(--font-mono);
  color: var(--sub);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.pay-amount .num {
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 700;
  color: var(--ink);
  margin-top: 6px;
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
}
.pay-qr {
  width: 220px; height: 220px;
  margin: 0 auto 14px;
  padding: 12px;
  background: var(--paper-card);
  border: 1px solid var(--ink);
  border-radius: 0;
  display: flex; align-items: center; justify-content: center;
}
.pay-qr img { width: 100%; height: 100%; object-fit: contain; }
.pay-no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sub);
  margin-bottom: 14px;
  word-break: break-all;
  letter-spacing: 1px;
}
.pay-tips {
  text-align: left;
  background: var(--paper-soft);
  color: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--warn);
  border-radius: 0;
  padding: 12px 16px 12px 32px;
  margin: 0 0 16px;
  font-size: 12px;
  line-height: 1.7;
  list-style: disc;
}
.pay-tips li { margin: 2px 0; }
.pay-body .modal-foot { border-top: 1px solid var(--line); }

/* ============== 商家中心 ============== */
.merchant-shop {
  padding: 16px 18px;
  margin: 0 0 var(--s-3);
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink);
  border-radius: 0;
}
.merchant-shop .name { font-family: var(--font-display); font-weight: 700; font-size: 15px; color: var(--ink); letter-spacing: 0.5px; }
.merchant-shop .sub { font-size: 11px; color: var(--sub); margin-top: 4px; font-family: var(--font-mono); letter-spacing: 1px; text-transform: uppercase; }
.merchant-side-bottom {
  position: absolute;
  bottom: 20px; left: 18px; right: 18px;
  display: flex; flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--line);
  padding-top: var(--s-2);
}
.merchant-side-bottom a {
  padding: 8px 12px;
  font-size: 12px;
  color: var(--sub);
  text-decoration: none;
  border: 0;
  border-radius: 0;
  font-family: var(--font-mono);
  letter-spacing: 1px;
}
.merchant-side-bottom a:hover { background: var(--paper); color: var(--ink); border: 0; }
.merchant-side-bottom a.danger { color: var(--err); }
.merchant-side-bottom a.danger:hover { background: var(--err-soft); }

.merchant-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0;
  border: 1px solid var(--ink);
}
.merchant-stats .stat-card {
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line);
  border-left: 0;
  border-radius: 0;
  padding: 20px 22px;
  text-align: left;
  transition: background .15s;
}
.merchant-stats .stat-card:last-child { border-right: 0; }
.merchant-stats .stat-card:hover { transform: none; box-shadow: none; background: var(--paper-soft); }
.merchant-stats .stat-card.ok   { border-left: 0; }
.merchant-stats .stat-card.gray { border-left: 0; }
.merchant-stats .stat-card.warn { border-left: 0; }
.merchant-stats .num { font-family: var(--font-mono); font-size: 28px; font-weight: 700; color: var(--ink); line-height: 1; letter-spacing: -0.5px; font-variant-numeric: tabular-nums; }
.merchant-stats .lab { font-family: var(--font-mono); font-size: 10px; color: var(--sub); margin-top: 8px; letter-spacing: 1.5px; text-transform: uppercase; }

/* ============== 法律页面 ============== */
.legal-doc {
  background: var(--paper-card);
  border: 1px solid var(--ink);
  padding: 40px 48px 44px;
  box-shadow: none;
  max-width: 920px;
  margin: var(--s-3) auto;
  line-height: 1.9;
  color: var(--ink-2);
  position: relative;
}
.legal-doc::before {
  content: "";
  position: absolute;
  top: 8px; left: 8px; right: 8px; bottom: 8px;
  border: 1px solid var(--line);
  pointer-events: none;
}
.legal-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sub);
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 10px;
  letter-spacing: 1.5px;
}
.legal-tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.legal-h1 {
  text-align: left;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  margin: 8px 0 28px;
  letter-spacing: 0;
  position: relative;
  padding-bottom: 22px;
}
.legal-h1::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 80px; height: 2px;
  background: var(--ink);
  border-radius: 0;
}
.legal-lead {
  background: var(--paper-soft);
  color: var(--ink-2);
  border-left: 3px solid var(--accent);
  border-radius: 0;
  padding: 14px 20px;
  font-size: 14px;
  margin: 0 0 28px;
}
.legal-doc h2 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin: 32px 0 12px;
  padding-left: 14px;
  border-left: 3px solid var(--ink);
  line-height: 1.4;
}
.legal-doc ol { padding-left: 26px; margin: 0 0 14px; }
.legal-doc ol > li { margin-bottom: 8px; }
.legal-doc ol ol, .legal-doc ol ul { margin: 6px 0 4px; padding-left: 24px; }
.legal-doc ul { list-style: disc; padding-left: 24px; margin: 6px 0; }
.legal-doc p { margin: 0 0 12px; }
.legal-foot {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.legal-foot .btn { margin: 0; }
@media (max-width: 600px) {
  .legal-doc { padding: 24px 20px; }
  .legal-h1 { font-size: 24px; }
}