/* 我爱真题网 · 在线题库商城
   视觉基准参考 ks.etest8.com：主蓝 #2578F3 / 价格红 #F6484E / 正文 #333 */

:root {
  --blue: #2578F3;
  --blue-d: #1D6AD8;
  --blue-l: #EAF2FE;
  --cyan: #20B8FF;
  --red: #F6484E;
  --red-l: #FEF0F0;
  --ink: #333333;
  --ink-2: #666666;
  --gray: #A2A4A8;
  --gray-l: #B5BBC1;
  --line: #EDEFF2;
  --bg: #F4F6F9;
  --radius: 6px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  min-width: 1200px;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--blue); }
img { border: 0; vertical-align: middle; }
ul { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: 14px; outline: none; }

.wrap { width: 1200px; margin: 0 auto; }
.clearfix::after { content: ""; display: block; clear: both; }

/* ---------------- 顶部 ---------------- */
.topbar { background: #fff; border-bottom: 1px solid var(--line); }
.topbar-in { display: flex; align-items: center; height: 92px; gap: 26px; }

.logo { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.logo-mark {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(-30deg, var(--cyan), var(--blue));
  color: #fff; font-size: 20px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.logo-txt b { display: block; font-size: 22px; letter-spacing: 1px; color: var(--blue); line-height: 1.2; }
.logo-txt span { font-size: 12px; color: var(--gray); }

.search { flex: 1 1 auto; display: flex; max-width: 560px; }
.search input {
  flex: 1; height: 42px; padding: 0 14px; border: 2px solid var(--blue);
  border-right: 0; border-radius: var(--radius) 0 0 var(--radius); background: #fff;
}
.search input::placeholder { color: var(--gray-l); }
.search button {
  width: 96px; height: 42px; border: 0; border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--blue); color: #fff; font-size: 16px; cursor: pointer;
}
.search button:hover { background: var(--blue-d); }

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.btn-sibling {
  display: inline-flex; align-items: center; gap: 6px;
  height: 36px; padding: 0 16px; border-radius: 18px;
  background: var(--blue-l); color: var(--blue); font-size: 13px; font-weight: 600;
}
.btn-sibling:hover { background: #dbe9fe; color: var(--blue-d); }

/* ---------------- 主导航 ---------------- */
.mainnav { background: linear-gradient(-30deg, var(--cyan), var(--blue)); }
.mainnav-in { display: flex; align-items: center; height: 48px; flex-wrap: wrap; gap: 0; }
.mainnav-in > a {
  padding: 0 17px; height: 48px; line-height: 48px;
  color: #fff; font-size: 15px; white-space: nowrap;
}
.mainnav-in > a:hover, .mainnav-in > a.on { background: rgba(255, 255, 255, .18); color: #fff; }

.notice {
  display: flex; align-items: center; gap: 8px;
  height: 40px; margin-top: 12px; padding: 0 16px;
  background: #fff; border-radius: var(--radius); font-size: 13px; color: var(--ink-2);
  border: 1px solid var(--line);
}
.notice b { color: var(--red); flex: 0 0 auto; }

/* ---------------- 栅格 ---------------- */
.layout { display: flex; gap: 20px; align-items: flex-start; margin-top: 16px; }
.main-col { flex: 1 1 auto; min-width: 0; }
.side-col { flex: 0 0 288px; width: 288px; }

.card {
  background: #fff; border-radius: var(--radius);
  border: 1px solid var(--line); margin-bottom: 16px;
}
.card-head {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px; border-bottom: 1px solid var(--line);
}
.card-head h2 {
  margin: 0; font-size: 18px; font-weight: 700; color: var(--ink);
  padding-left: 11px; border-left: 4px solid var(--blue); line-height: 1.1;
}
.card-head .more { margin-left: auto; font-size: 13px; color: var(--gray); }
.card-head .more:hover { color: var(--blue); }
.card-body { padding: 16px 18px; }

/* ---------------- 轮播 ---------------- */
.hero { position: relative; height: 190px; border-radius: var(--radius); overflow: hidden; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity .5s;
  display: flex; align-items: center; gap: 22px; padding: 0 34px;
  background: linear-gradient(-30deg, var(--cyan), var(--blue)); color: #fff;
}
.hero-slide.on { opacity: 1; position: relative; }
.hero-slide img { width: 132px; height: 132px; object-fit: cover; border-radius: 8px; background: #fff; flex: 0 0 auto; }
.hero-slide h3 { margin: 0 0 12px; font-size: 24px; font-weight: 700; line-height: 1.4; }
.hero-slide .hp { font-size: 32px; font-weight: 700; color: #FFE479; }
.hero-slide .hp small { font-size: 16px; margin-right: 2px; }
.hero-slide .hgo {
  display: inline-block; margin-top: 16px; padding: 9px 26px; border-radius: 20px;
  background: #fff; color: var(--blue); font-weight: 700;
}
.hero-dots { position: absolute; right: 20px; bottom: 14px; display: flex; gap: 7px; z-index: 3; }
.hero-dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .5); cursor: pointer; }
.hero-dots i.on { background: #fff; }

/* ---------------- 题库卡片 ---------------- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid.g4 { grid-template-columns: repeat(4, 1fr); }
.grid.g2 { grid-template-columns: repeat(2, 1fr); }

.qcard {
  display: flex; gap: 11px; padding: 12px; border-radius: var(--radius);
  border: 1px solid var(--line); background: #fff; transition: .18s;
}
.qcard:hover { border-color: #bcd7fb; box-shadow: 0 4px 14px rgba(37, 120, 243, .12); transform: translateY(-2px); }
.qcard-img {
  flex: 0 0 84px; width: 84px; height: 84px; border-radius: 5px; overflow: hidden;
  background: #f2f5f9; display: flex; align-items: center; justify-content: center;
}
.qcard-img img { width: 100%; height: 100%; object-fit: cover; }
.qcard-img .ph { font-size: 26px; opacity: .35; }
.qcard-body { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }
.qcard-title {
  font-size: 14px; line-height: 1.45; height: 40px; overflow: hidden;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.qcard:hover .qcard-title { color: var(--blue); }
.qcard-meta { margin-top: auto; font-size: 12px; color: var(--gray); display: flex; gap: 7px; flex-wrap: wrap; }
.qcard-meta .tag {
  padding: 0 6px; border-radius: 3px; background: var(--blue-l); color: var(--blue);
}
.qcard-meta .tag.hot { background: var(--red-l); color: var(--red); }
.qcard-foot { margin-top: 6px; display: flex; align-items: baseline; gap: 8px; }
.qcard-price { color: var(--red); font-size: 18px; font-weight: 700; }
.qcard-price small { font-size: 12px; font-weight: 400; }
.qcard-old { color: var(--gray-l); font-size: 12px; text-decoration: line-through; }
.qcard-edit {
  margin-left: auto; font-size: 11px; color: #C9A227;
  border: 1px solid #F0E0A8; background: #FFFBEC; border-radius: 3px; padding: 0 5px;
}

/* ---------------- 侧栏 ---------------- */
.side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 16px; }
.side-head {
  padding: 12px 14px; border-bottom: 1px solid var(--line);
  font-size: 15px; font-weight: 700; color: var(--ink);
}
.side-head span { padding-left: 10px; border-left: 3px solid var(--blue); }
.side-body { padding: 14px; }

.kefu { text-align: center; }
.kefu-qr {
  width: 168px; height: 168px; margin: 0 auto 10px; border-radius: 6px;
  border: 1px dashed var(--line); display: flex; align-items: center; justify-content: center;
  background: #fafbfd; color: var(--gray-l); font-size: 12px; overflow: hidden;
}
.kefu-qr img { width: 100%; height: 100%; object-fit: contain; }
.kefu-id { font-size: 15px; font-weight: 700; color: var(--blue); margin: 6px 0 2px; }
.kefu-tip { font-size: 12px; color: var(--gray); line-height: 1.7; }

.step-list li { display: flex; gap: 9px; padding: 7px 0; font-size: 13px; color: var(--ink-2); border-bottom: 1px dashed var(--line); }
.step-list li:last-child { border-bottom: 0; }
.step-no {
  flex: 0 0 20px; height: 20px; border-radius: 50%; background: var(--blue-l); color: var(--blue);
  font-size: 12px; display: flex; align-items: center; justify-content: center; font-weight: 700;
}

.mpaper { display: flex; gap: 8px; padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 13px; }
.mpaper:last-child { border-bottom: 0; }
.mpaper .dot { flex: 0 0 auto; color: var(--blue); }
.mpaper a { flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mpaper .go { flex: 0 0 auto; font-size: 12px; color: var(--blue); }

/* 首页正文区的真题试做卡片 */
.mpaper-card {
  display: flex; align-items: center; gap: 11px; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: .18s;
}
.mpaper-card:hover { border-color: #bcd7fb; background: #F7FAFF; transform: translateY(-2px); }
.mpaper-card .mc-icon {
  flex: 0 0 38px; width: 38px; height: 38px; border-radius: 8px; background: var(--blue-l);
  display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.mpaper-card .mc-body { flex: 1 1 auto; min-width: 0; }
.mpaper-card .mc-body b {
  display: block; font-weight: 400; font-size: 13.5px; line-height: 1.45;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.mpaper-card:hover .mc-body b { color: var(--blue); }
.mpaper-card .mc-sub { font-size: 12px; color: var(--gray); }
.mpaper-card .mc-go { flex: 0 0 auto; font-size: 13px; color: var(--blue); font-weight: 600; }

.stat-row { display: flex; text-align: center; }
.stat-row > div { flex: 1; }
.stat-row b { display: block; font-size: 20px; color: var(--blue); }
.stat-row span { font-size: 12px; color: var(--gray); }

.faq li { padding: 6px 0 6px 16px; position: relative; font-size: 13px; color: var(--ink-2); }
.faq li::before { content: "·"; position: absolute; left: 4px; color: var(--blue); font-weight: 700; }

/* ---------------- 列表页 ---------------- */
.crumb { padding: 14px 0; font-size: 13px; color: var(--gray); }
.crumb a { color: var(--gray); }
.crumb a:hover { color: var(--blue); }
.crumb b { color: var(--ink); font-weight: 400; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.filters a {
  padding: 5px 14px; border-radius: 15px; background: #f4f6f9;
  font-size: 13px; color: var(--ink-2);
}
.filters a:hover { background: var(--blue-l); color: var(--blue); }
.filters a.on { background: var(--blue); color: #fff; }

.sortbar { display: flex; align-items: center; gap: 4px; padding: 12px 18px; border-bottom: 1px solid var(--line); font-size: 13px; }
.sortbar a { padding: 4px 13px; border-radius: 4px; color: var(--ink-2); }
.sortbar a.on { background: var(--blue-l); color: var(--blue); font-weight: 700; }
.sortbar .count { margin-left: auto; color: var(--gray); }

.pager { display: flex; justify-content: center; gap: 6px; padding: 22px 0; }
.pager a, .pager span {
  min-width: 34px; height: 34px; padding: 0 10px; border: 1px solid var(--line);
  border-radius: 4px; background: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 13px; color: var(--ink-2);
}
.pager a:hover { border-color: var(--blue); color: var(--blue); }
.pager .on { background: var(--blue); border-color: var(--blue); color: #fff; }
.pager .dis { color: var(--gray-l); }

.empty { padding: 70px 0; text-align: center; color: var(--gray); }
.empty .big { font-size: 46px; margin-bottom: 10px; opacity: .5; }

/* ---------------- 详情页 ---------------- */
.detail { display: flex; gap: 20px; align-items: flex-start; }
.detail-main { flex: 1 1 auto; min-width: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; }
.detail-side { flex: 0 0 288px; width: 288px; }

.d-head { display: flex; gap: 22px; }
.d-cover {
  flex: 0 0 200px; width: 200px; height: 200px; border-radius: 8px; overflow: hidden;
  background: #f2f5f9; display: flex; align-items: center; justify-content: center;
}
.d-cover img { width: 100%; height: 100%; object-fit: cover; }
.d-cover .ph { font-size: 60px; opacity: .3; }
.d-info { flex: 1 1 auto; min-width: 0; }
.d-title { margin: 0; font-size: 22px; line-height: 1.45; font-weight: 700; }

.d-attrs { margin: 14px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; font-size: 13px; color: var(--ink-2); }
.d-attrs .k { color: var(--gray); display: inline-block; min-width: 62px; }
.d-attrs a { color: var(--blue); }

.price-box { background: #FFF8F8; border: 1px solid #FFE3E3; border-radius: 6px; padding: 14px 18px; margin: 14px 0; }
.price-now { color: var(--red); font-size: 34px; font-weight: 700; line-height: 1.1; }
.price-now small { font-size: 18px; margin-right: 2px; }
.price-old { color: var(--gray-l); font-size: 14px; text-decoration: line-through; margin-left: 12px; }
.price-tip { font-size: 12px; color: var(--gray); margin-top: 6px; }

.d-actions { display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.btn-buy {
  height: 50px; padding: 0 52px; border: 0; border-radius: 25px; cursor: pointer;
  background: linear-gradient(-30deg, #FF7A45, var(--red)); color: #fff;
  font-size: 19px; font-weight: 700; letter-spacing: 2px;
  box-shadow: 0 6px 16px rgba(246, 72, 78, .28);
}
.btn-buy:hover { filter: brightness(1.06); }
.btn-try {
  height: 50px; padding: 0 30px; border-radius: 25px; cursor: pointer;
  background: #fff; border: 2px solid var(--blue); color: var(--blue);
  font-size: 16px; font-weight: 700;
}
.btn-try:hover { background: var(--blue-l); }

.d-sec { margin-top: 26px; }
.d-sec-head {
  font-size: 17px; font-weight: 700; padding-left: 11px; border-left: 4px solid var(--blue);
  margin-bottom: 14px; line-height: 1.1;
}
.d-desc { font-size: 15px; line-height: 1.9; color: #444; word-break: break-word; }
.d-desc img { max-width: 100%; height: auto; border-radius: 5px; margin: 8px 0; display: block; }
.d-desc p { margin: 10px 0; }
.d-desc table { max-width: 100%; border-collapse: collapse; }
.d-desc td, .d-desc th { border: 1px solid var(--line); padding: 6px 10px; }

.try-panel { border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.try-bar { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: #F7FAFF; font-size: 13px; }
.try-bar .t { font-weight: 700; color: var(--blue); }
.try-bar .s { color: var(--gray); }
.try-bar button {
  margin-left: auto; padding: 6px 18px; border-radius: 15px; border: 0; cursor: pointer;
  background: var(--blue); color: #fff; font-size: 13px;
}
.try-frame { width: 100%; height: 640px; border: 0; display: block; background: #fff; }
.try-list { padding: 14px 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.try-list a { font-size: 13px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.try-list a:hover { color: var(--blue); }

.related-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }

/* ---------------- 页脚 ---------------- */
.foot { margin-top: 28px; background: #fff; border-top: 1px solid var(--line); padding: 30px 0 22px; }
.foot-cols { display: flex; gap: 20px; }
.foot-col { flex: 1 1 0; min-width: 0; }
.foot-col h4 { margin: 0 0 12px; font-size: 15px; color: var(--ink); padding-left: 10px; border-left: 3px solid var(--blue); }
.foot-col li { padding: 5px 0; font-size: 13px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.foot-col li a { color: var(--ink-2); }
.foot-col li a:hover { color: var(--blue); }
.foot-bar {
  margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line);
  text-align: center; font-size: 12px; color: var(--gray); line-height: 1.9;
}

/* ---------------- 后台 ---------------- */
.admin-wrap { width: 1320px; margin: 0 auto; padding: 20px 0 60px; }
.admin-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.admin-head h1 { margin: 0; font-size: 22px; }
.admin-head .sp { margin-left: auto; display: flex; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 36px; padding: 0 18px; border-radius: 5px; border: 1px solid var(--line);
  background: #fff; color: var(--ink); cursor: pointer; font-size: 13px;
}
.btn:hover { border-color: var(--blue); color: var(--blue); }
.btn.pri { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.pri:hover { background: var(--blue-d); color: #fff; }
.btn.danger { color: var(--red); border-color: #ffd5d5; }
.btn.sm { height: 28px; padding: 0 12px; font-size: 12px; }

.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px; }
.panel h3 { margin: 0 0 14px; font-size: 16px; }
.stat-cards { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.stat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.stat-card b { display: block; font-size: 26px; color: var(--blue); line-height: 1.2; }
.stat-card span { font-size: 13px; color: var(--gray); }

.form-row { display: flex; gap: 14px; margin-bottom: 12px; flex-wrap: wrap; }
.form-row label { display: block; font-size: 13px; color: var(--gray); margin-bottom: 5px; }
.form-row input[type=text], .form-row input[type=password], .form-row textarea, .form-row select {
  width: 100%; padding: 8px 11px; border: 1px solid var(--line); border-radius: 5px; background: #fff;
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--blue); }
.form-row .f1 { flex: 1 1 0; min-width: 0; }
.form-row .f2 { flex: 0 0 200px; }
.form-row .f3 { flex: 0 0 130px; }
textarea.mono { font-family: Consolas, Monaco, monospace; font-size: 13px; line-height: 1.6; min-height: 120px; resize: vertical; }

.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.table th { background: #FAFBFC; color: var(--gray); font-weight: 400; white-space: nowrap; }
.table tr:hover td { background: #FBFDFF; }
.table .t-title { max-width: 380px; }
.table .t-title b { font-weight: 400; }
.pill { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 11px; }
.pill.on { background: #E8F5E9; color: #2E7D32; }
.pill.off { background: #F5F5F5; color: var(--gray); }
.pill.edit { background: #FFF8E1; color: #B28704; }
.pill.hide { background: #FFEBEE; color: var(--red); }

.login-box { width: 380px; margin: 110px auto; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 34px 34px 28px; box-shadow: 0 10px 34px rgba(0, 0, 0, .07); }
.login-box h2 { margin: 0 0 6px; font-size: 21px; text-align: center; color: var(--blue); }
.login-box p.sub { margin: 0 0 22px; text-align: center; font-size: 13px; color: var(--gray); }
.login-box input { width: 100%; height: 42px; padding: 0 12px; border: 1px solid var(--line); border-radius: 5px; margin-bottom: 12px; }
.login-box input:focus { border-color: var(--blue); }
.login-box button { width: 100%; height: 44px; border: 0; border-radius: 5px; background: var(--blue); color: #fff; font-size: 16px; cursor: pointer; }
.login-box button:hover { background: var(--blue-d); }

.bar { height: 8px; border-radius: 4px; background: var(--line); overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--blue); transition: width .3s; }

.toast {
  position: fixed; left: 50%; bottom: 60px; transform: translateX(-50%);
  background: rgba(0, 0, 0, .82); color: #fff; padding: 10px 22px; border-radius: 20px;
  font-size: 14px; z-index: 9999; opacity: 0; transition: opacity .25s; pointer-events: none;
}
.toast.on { opacity: 1; }

/* ---------------- 购买方式弹窗 ---------------- */
.modal {
  position: fixed; inset: 0; z-index: 200; display: none;
  align-items: flex-start; justify-content: center; overflow: auto;
  padding: 70px 0 40px; background: rgba(17, 24, 39, .5);
}
.modal.on { display: flex; }
.modal-box {
  width: 760px; background: #fff; border-radius: 10px; padding: 22px 26px 20px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, .22);
}
.buy-modal-head { display: flex; align-items: center; }
.buy-modal-head h3 { margin: 0; font-size: 19px; }
.modal-x {
  margin-left: auto; width: 30px; height: 30px; border: 0; border-radius: 50%;
  background: #F5F6F8; color: var(--gray); font-size: 19px; line-height: 1; cursor: pointer;
}
.modal-x:hover { background: #ECEEF2; color: var(--ink); }
.buy-book {
  margin: 8px 0 16px; font-size: 13px; color: var(--gray);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.buy-opts { display: flex; gap: 14px; }
.buy-opt {
  flex: 1 1 0; min-width: 0; border: 1px solid var(--line); border-radius: 8px;
  padding: 16px 16px 14px; display: flex; flex-direction: column;
}
.buy-opt.pri { border-color: #FFD9C9; background: linear-gradient(180deg, #FFF9F5, #fff); }
.bo-head { display: flex; align-items: center; gap: 7px; font-size: 15px; }
.bo-head .bo-ico { font-style: normal; font-size: 17px; }
.bo-head b { font-weight: 700; }
.bo-tag {
  font-size: 11px; padding: 1px 7px; border-radius: 9px;
  background: var(--red-l); color: var(--red); font-weight: 400;
}
.bo-price { margin: 12px 0 6px; color: var(--red); font-size: 32px; font-weight: 700; line-height: 1.1; }
.bo-price small { font-size: 16px; margin-right: 2px; }
.bo-price.ghost { color: var(--ink-2); font-size: 21px; font-weight: 400; }
.bo-txt { margin: 0 0 14px; font-size: 12.5px; line-height: 1.75; color: var(--ink-2); flex: 1 1 auto; }
.bo-btn {
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 44px; border-radius: 22px; cursor: pointer;
  border: 1px solid var(--blue); background: #fff; color: var(--blue);
  font-size: 15px; font-weight: 700;
}
.bo-btn:hover { background: var(--blue-l); }
.bo-btn.pri {
  border: 0; color: #fff;
  background: linear-gradient(-30deg, #FF7A45, var(--red));
  box-shadow: 0 5px 14px rgba(246, 72, 78, .25);
}
.bo-btn.pri:hover { filter: brightness(1.06); background: linear-gradient(-30deg, #FF7A45, var(--red)); color: #fff; }
.bo-btn[disabled] { opacity: .7; cursor: default; }
.bo-sub { margin-top: 8px; font-size: 12px; color: var(--gray); text-align: center; }
.buy-foot { margin-top: 16px; padding-top: 12px; border-top: 1px dashed var(--line); font-size: 12px; color: var(--gray); }
.buy-foot b { color: var(--blue); }

/* ---------------- 收银台 ---------------- */
.pay-wrap { width: 900px; margin: 0 auto; }
.pay-card {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  margin-bottom: 16px; overflow: hidden;
}
.pay-card-head {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 16px 24px; border-bottom: 1px solid var(--line); background: #FBFCFE;
}
.pay-card-head h1 { margin: 0; font-size: 18px; }
.pc-no { margin-left: auto; font-size: 13px; color: var(--gray); display: flex; align-items: center; gap: 8px; }
.pc-no b { color: var(--ink); font-family: Consolas, Monaco, monospace; font-weight: 400; }
.btn-copy {
  padding: 2px 10px; border-radius: 11px; border: 1px solid #D8E4F8;
  background: #fff; color: var(--blue); font-size: 12px; cursor: pointer;
}
.btn-copy:hover { background: var(--blue-l); }

.pay-card-body { display: flex; gap: 28px; padding: 26px 24px; align-items: flex-start; }
.pay-qr {
  position: relative; flex: 0 0 248px; width: 248px; height: 248px;
  border: 1px solid var(--line); border-radius: 8px; background: #fff;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.pay-qr img { width: 236px; height: 236px; object-fit: contain; }
.qr-mask {
  position: absolute; inset: 0; z-index: 2; display: none;
  flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  background: rgba(255, 255, 255, .95); backdrop-filter: blur(2px);
}
.qm-tx { font-size: 14px; color: var(--ink-2); }
.btn-refresh {
  height: 38px; padding: 0 20px; border: 0; border-radius: 19px; cursor: pointer;
  background: var(--blue); color: #fff; font-size: 14px;
}
.btn-refresh:hover { background: var(--blue-d); }

.pay-side { flex: 1 1 auto; min-width: 0; }
.ps-title { font-size: 15px; line-height: 1.6; color: var(--ink); }
.ps-amount { margin: 6px 0 14px; color: var(--red); font-size: 36px; font-weight: 700; line-height: 1.1; }
.ps-amount small { font-size: 18px; margin-right: 2px; }
.ps-steps { margin: 0 0 12px; padding-left: 20px; font-size: 13px; color: var(--ink-2); line-height: 2; }
.ps-steps b { color: var(--ink); }
.ps-count { font-size: 12.5px; color: var(--gray); margin-bottom: 14px; }
.ps-count.over { color: var(--red); }
.ps-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.ps-actions .bo-btn { width: auto; padding: 0 26px; height: 44px; }
.ps-tip { margin-top: 14px; font-size: 12px; color: var(--gray); line-height: 1.8; }
.ps-tip b { color: var(--blue); }

/* 支付成功 */
.pay-card.ok .po-head { text-align: center; padding: 34px 24px 8px; }
.po-check {
  width: 62px; height: 62px; margin: 0 auto 14px; border-radius: 50%;
  background: #E8F5E9; color: #2E7D32; font-size: 34px; line-height: 62px; font-weight: 700;
}
.pay-card.ok .po-head h1 { margin: 0 0 8px; font-size: 22px; color: #2E7D32; }
.po-amount { color: var(--red); font-size: 34px; font-weight: 700; line-height: 1.2; }
.po-amount small { font-size: 18px; margin-right: 2px; }
.po-meta { font-size: 14px; color: var(--ink-2); margin-top: 4px; }
.po-meta.sub { font-size: 12.5px; color: var(--gray); font-family: Consolas, Monaco, monospace; }

.dl-box { margin: 20px 30px 6px; padding: 22px 24px; background: #F7FAFF; border: 1px solid #DCE8FB; border-radius: 8px; }
.btn-dl {
  display: flex; align-items: center; justify-content: center;
  height: 54px; border-radius: 27px; color: #fff; font-size: 18px; font-weight: 700;
  background: linear-gradient(-30deg, var(--cyan), var(--blue));
  box-shadow: 0 6px 16px rgba(37, 120, 243, .25); letter-spacing: 1px;
}
.btn-dl:hover { filter: brightness(1.06); color: #fff; }
.dl-row { display: flex; align-items: center; gap: 10px; margin-top: 14px; font-size: 13px; }
.dl-k { flex: 0 0 62px; color: var(--gray); }
.dl-v {
  flex: 1 1 auto; min-width: 0; color: var(--ink); word-break: break-all;
  font-family: Consolas, Monaco, monospace; font-size: 12.5px;
  background: #fff; border: 1px solid var(--line); border-radius: 4px; padding: 6px 10px;
}
.dl-tip { margin-top: 14px; font-size: 12.5px; color: var(--gray); line-height: 1.8; }
.dl-box.none { background: #FFFCF5; border-color: #FCE9C4; text-align: center; padding: 26px 24px; }
.dn-ico { font-size: 30px; }
.dn-tx { margin: 10px 0 4px; font-size: 16px; color: var(--ink); font-weight: 700; line-height: 1.7; }
.dn-kefu { margin-top: 12px; font-size: 14px; color: var(--ink-2); display: flex; align-items: center; justify-content: center; gap: 10px; }
.dn-kefu b { color: var(--blue); font-size: 16px; }

.po-links { display: flex; gap: 12px; justify-content: center; padding: 22px 24px 26px; flex-wrap: wrap; }

/* 本机最近订单 */
.recent-card { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 14px 18px 12px; }
.rc-head { font-size: 14px; font-weight: 700; margin-bottom: 8px; padding-left: 9px; border-left: 3px solid var(--blue); line-height: 1.1; }
.recent-card li { border-bottom: 1px dashed var(--line); }
.recent-card li:last-child { border-bottom: 0; }
.recent-card li a { display: flex; gap: 12px; align-items: baseline; padding: 8px 0; font-size: 13px; }
.recent-card li b {
  flex: 1 1 auto; min-width: 0; font-weight: 400;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.recent-card li span { flex: 0 0 auto; color: var(--gray); font-size: 12px; font-family: Consolas, Monaco, monospace; }
.rc-tip { margin-top: 8px; font-size: 12px; color: var(--gray); }

/* 失败 / 空态 */
.pf-box { text-align: center; padding: 46px 30px; }
.pf-ico { font-size: 40px; }
.pf-box h1 { margin: 12px 0 10px; font-size: 20px; }
.pf-box p { margin: 6px 0; font-size: 13.5px; color: var(--ink-2); }
.pf-no { font-family: Consolas, Monaco, monospace; color: var(--gray) !important; font-size: 12.5px !important; }
.pf-tip { margin-top: 18px !important; font-size: 12.5px !important; color: var(--gray) !important; }
.pf-tip b { color: var(--blue); }

/* 收银台在窄屏下（手机打开支付链接）临时放开整站 1200px 的最小宽度 */
@media (max-width: 900px) {
  body[data-page="pay"] { min-width: 0; }
  body[data-page="pay"] .wrap { width: auto; padding: 0 12px; }
  body[data-page="pay"] .topbar-in { height: 66px; gap: 12px; flex-wrap: wrap; }
  body[data-page="pay"] .search { display: none; }
  body[data-page="pay"] .mainnav-in > a { padding: 0 11px; font-size: 13px; }
  .pay-wrap { width: auto; }
  .pay-card-head { padding: 14px 16px; }
  .pc-no { margin-left: 0; }
  .pay-card-body { flex-direction: column; gap: 18px; padding: 18px 16px; align-items: center; }
  .pay-qr { flex: none; }
  .pay-side { width: 100%; }
  .ps-actions .bo-btn { width: 100%; }
  .dl-box { margin: 16px 14px 6px; padding: 18px 16px; }
  .dl-row { flex-wrap: wrap; }
  .dl-k { flex: 0 0 100%; }
  .buy-opts { flex-direction: column; }
  .modal-box { width: auto; margin: 0 14px; }
}

.loading { padding: 60px 0; text-align: center; color: var(--gray); }
.spin {
  width: 26px; height: 26px; margin: 0 auto 12px; border: 3px solid var(--line);
  border-top-color: var(--blue); border-radius: 50%; animation: sp .8s linear infinite;
}
@keyframes sp { to { transform: rotate(360deg); } }