/* ============ 行测真题库 ============ */
:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --ink: #1f2733;
  --ink-2: #5a6472;
  --ink-3: #98a1ad;
  --line: #e6e9ee;
  --brand: #c0392b;
  --brand-dark: #96281b;
  --brand-soft: #fdf1ef;
  --accent: #2471a3;
  --ok: #1e8449;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(31, 39, 51, .07), 0 4px 14px rgba(31, 39, 51, .05);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 20px;
  padding: 10px 24px;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff; font-size: 20px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow);
}
.brand-text { font-size: 18px; font-weight: 700; color: var(--ink); line-height: 1.2; }
.brand-text small { display: block; font-size: 11px; font-weight: 400; color: var(--ink-3); letter-spacing: 1px; }
.searchbox { position: relative; flex: 1; max-width: 560px; margin-left: auto; }
.searchbox input {
  width: 100%; padding: 9px 14px 9px 36px; font-size: 14px;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='15' height='15' viewBox='0 0 24 24' fill='none' stroke='%2398a1ad' stroke-width='2.4'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.8-3.8'/%3E%3C/svg%3E") no-repeat 13px center;
  outline: none; transition: border-color .15s, background-color .15s;
}
.searchbox input:focus { border-color: var(--brand); background-color: #fff; }
.search-results {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  max-height: 420px; overflow: auto;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 10px 32px rgba(31, 39, 51, .16);
}
.search-results .sr-item { display: block; padding: 9px 14px; font-size: 13.5px; color: var(--ink); border-bottom: 1px solid var(--line); }
.search-results .sr-item:last-child { border-bottom: 0; }
.search-results .sr-item:hover { background: var(--brand-soft); text-decoration: none; }
.search-results .sr-item .sr-mod { font-size: 11px; color: var(--ink-3); margin-right: 6px; }
.search-results .sr-empty { padding: 14px; text-align: center; color: var(--ink-3); font-size: 13px; }

/* ---------- 布局 ---------- */
.container { max-width: 1080px; margin: 0 auto; padding: 28px 24px 64px; }
.footer { text-align: center; color: var(--ink-3); font-size: 12.5px; padding: 22px; border-top: 1px solid var(--line); }

/* ---------- 首页 ---------- */
.hero { text-align: center; padding: 40px 0 30px; }
.hero h1 { font-size: 32px; letter-spacing: 1px; }
.hero p { color: var(--ink-2); margin-top: 8px; }
.stat-row { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin: 26px 0 38px; }
.stat-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 30px; text-align: center; box-shadow: var(--shadow); min-width: 140px;
}
.stat-card b { display: block; font-size: 26px; color: var(--brand); font-variant-numeric: tabular-nums; }
.stat-card span { font-size: 13px; color: var(--ink-2); }

.section-title { font-size: 19px; margin: 8px 0 16px; display: flex; align-items: center; gap: 10px; }
.section-title::before { content: ""; width: 4px; height: 18px; border-radius: 2px; background: var(--brand); }

.mod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.mod-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 22px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 6px; color: var(--ink);
  transition: transform .15s, box-shadow .15s;
}
.mod-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(31,39,51,.12); text-decoration: none; }
.mod-card .mod-index { font-size: 12px; color: var(--ink-3); letter-spacing: 1px; }
.mod-card .mod-name { font-size: 19px; font-weight: 700; }
.mod-card .mod-desc { font-size: 13px; color: var(--ink-2); }
.mod-card .mod-meta { margin-top: 8px; font-size: 13px; color: var(--brand); font-weight: 600; }
.mod-card .bar { height: 5px; border-radius: 3px; background: var(--brand-soft); margin-top: 6px; overflow: hidden; }
.mod-card .bar i { display: block; height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--brand), #e67e22); }

.year-strip { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.year-strip a {
  padding: 4px 14px; font-size: 13px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--line); color: var(--ink-2);
}
.year-strip a:hover { border-color: var(--brand); color: var(--brand); text-decoration: none; }

/* ---------- 模块页 ---------- */
.crumbs { font-size: 13px; color: var(--ink-3); margin-bottom: 14px; }
.crumbs a { color: var(--ink-2); }
.mod-head { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; box-shadow: var(--shadow); margin-bottom: 18px; }
.mod-head h2 { font-size: 22px; }
.mod-head .sub { color: var(--ink-2); font-size: 13.5px; margin-top: 4px; }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 4px; }
.filter-row button {
  padding: 4px 14px; font-size: 13px; border-radius: 999px; cursor: pointer;
  background: var(--bg); border: 1px solid var(--line); color: var(--ink-2);
  transition: all .12s;
}
.filter-row button.active { background: var(--brand); border-color: var(--brand); color: #fff; }
.filter-row button:hover:not(.active) { border-color: var(--brand); color: var(--brand); }

.year-group { margin-top: 20px; }
.year-group > h3 {
  font-size: 15px; color: var(--ink-2); margin-bottom: 8px;
  display: flex; align-items: center; gap: 8px;
}
.year-group > h3::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.paper-list { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.paper-item {
  display: flex; align-items: baseline; gap: 12px;
  padding: 10px 18px; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 14.5px;
}
.paper-item:last-child { border-bottom: 0; }
.paper-item:hover { background: var(--brand-soft); text-decoration: none; }
.paper-item .p-title { flex: 1; }
.paper-item .p-region { font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.paper-item .p-n { font-size: 12px; color: var(--brand); white-space: nowrap; font-variant-numeric: tabular-nums; }
.empty-tip { text-align: center; color: var(--ink-3); padding: 40px 0; }

/* ---------- 试卷阅读页 ---------- */
.reader-wrap { display: grid; grid-template-columns: 1fr 190px; gap: 26px; align-items: start; }
@media (max-width: 900px) { .reader-wrap { grid-template-columns: 1fr; } .qnav { display: none; } }
.reader-head { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 24px; box-shadow: var(--shadow); margin-bottom: 18px; }
.reader-head h1 { font-size: 20px; line-height: 1.5; }
.reader-head .meta { color: var(--ink-2); font-size: 13px; margin-top: 6px; }
.reader-pn { display: flex; gap: 10px; margin-top: 14px; }
.reader-pn a {
  flex: 1; text-align: center; padding: 8px 10px; font-size: 13.5px;
  border: 1px solid var(--line); border-radius: 8px; color: var(--ink-2); background: var(--bg);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.reader-pn a:hover { border-color: var(--brand); color: var(--brand); text-decoration: none; }
.reader-pn a.disabled { opacity: .35; pointer-events: none; }

.paper-body { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 34px; box-shadow: var(--shadow); font-size: 15.5px; }
@media (max-width: 640px) { .paper-body { padding: 18px 16px; } }
.paper-body h1 { font-size: 21px; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 2px solid var(--brand-soft); }
.paper-body h2 {
  font-size: 17px; margin: 30px 0 12px; padding: 8px 12px;
  background: var(--brand-soft); border-left: 4px solid var(--brand); border-radius: 0 6px 6px 0;
  scroll-margin-top: 76px;
}
.paper-body h2 sub { font-size: 11px; color: var(--ink-3); font-weight: 400; margin-left: 6px; }
.paper-body h3 { font-size: 16px; margin: 22px 0 10px; }
.paper-body p { margin: 10px 0; }
.paper-body blockquote {
  margin: 12px 0; padding: 10px 16px; background: var(--bg);
  border-left: 3px solid var(--ink-3); border-radius: 0 6px 6px 0; color: var(--ink-2); font-size: 14px;
}
.paper-body ul, .paper-body ol { margin: 10px 0 10px 2em; }
.paper-body li { margin: 5px 0; }
.paper-body hr { border: 0; border-top: 1px dashed var(--line); margin: 22px 0; }
.paper-body img { max-width: 100%; height: auto; vertical-align: middle; border-radius: 4px; }
.paper-body img[flag="tex"], .paper-body img[src*="formula-"] { background: #fff; padding: 1px 3px; border: 1px solid var(--line); }
.paper-body .opt-mark { color: var(--ok); font-weight: 700; }
.paper-body .answer-line { background: #eafaf1; border: 1px solid #d5f5e3; border-radius: 6px; padding: 6px 14px; display: inline-block; font-weight: 700; color: var(--ok); }
.paper-body .analysis-tag { color: var(--accent); font-weight: 700; }

.qnav { position: sticky; top: 76px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); max-height: calc(100vh - 100px); overflow: auto; }
.qnav h4 { font-size: 12px; color: var(--ink-3); margin-bottom: 10px; letter-spacing: 1px; }
.qnav a { display: inline-block; min-width: 30px; text-align: center; padding: 3px 4px; margin: 2px; font-size: 12px; border-radius: 5px; color: var(--ink-2); border: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.qnav a:hover { background: var(--brand-soft); color: var(--brand); border-color: var(--brand); text-decoration: none; }

.loading { text-align: center; color: var(--ink-3); padding: 80px 0; }
.loading::before { content: ""; display: block; width: 28px; height: 28px; margin: 0 auto 14px; border: 3px solid var(--line); border-top-color: var(--brand); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 刷题模式 ---------- */
.reader-tools { margin-top: 12px; }
.quiz-toggle {
  padding: 6px 18px; font-size: 13.5px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink-2);
  transition: all .12s;
}
.quiz-toggle:hover { border-color: var(--accent); color: var(--accent); }
.quiz-toggle.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.quiz-toggle.on:hover { opacity: .88; }

.paper-body ul.opts { list-style: none; margin-left: 0; padding-left: 0; }
.paper-body ul.opts li.opt {
  cursor: pointer; padding: 4px 12px; margin: 4px 0; border-radius: 7px;
  border: 1px solid transparent; transition: all .12s;
}
.paper-body ul.opts li.opt:hover { background: var(--bg); border-color: var(--line); }
.paper-body ul.opts.locked li.opt { cursor: default; }
.paper-body ul.opts li.opt.selected { background: #fef9e7; border-color: #f1c40f; }
.paper-body ul.opts li.opt.correct { background: #eafaf1; border-color: var(--ok); }
.paper-body ul.opts li.opt.wrong { background: #fdedec; border-color: var(--brand); }

.quiz-hidden { display: none !important; }
.quiz-bar { display: flex; align-items: center; gap: 12px; margin: 10px 0 6px; }
.qb-hint { font-size: 12.5px; color: var(--ink-3); }
.qb-reveal {
  padding: 4px 18px; font-size: 13px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--accent); background: #fff; color: var(--accent);
  transition: all .12s;
}
.qb-reveal:hover:not(:disabled) { background: var(--accent); color: #fff; }
.qb-reveal:disabled { opacity: .45; cursor: default; }
.qb-result { font-size: 13.5px; font-weight: 700; color: var(--ink-2); }
.qb-result.ok { color: var(--ok); }
.qb-result.bad { color: var(--brand); }

/* ---------- 薄弱项分析战报 ---------- */
.weak-empty {
  background: var(--panel); border: 1px dashed var(--line); border-radius: var(--radius);
  padding: 26px; text-align: center; color: var(--ink-3); font-size: 13.5px;
}
.weak-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.weak-summary { padding: 14px 20px; font-size: 13.5px; color: var(--ink-2); border-bottom: 1px solid var(--line); background: var(--bg); }
.weak-summary b { color: var(--brand); font-variant-numeric: tabular-nums; }
.weak-row {
  display: flex; align-items: center; gap: 14px;
  padding: 11px 20px; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 14px;
}
.weak-row:last-child { border-bottom: 0; }
.weak-row:hover { background: var(--brand-soft); text-decoration: none; }
.weak-row.w-rest { opacity: .55; }
.w-rank { width: 22px; text-align: right; color: var(--ink-3); font-size: 12.5px; font-variant-numeric: tabular-nums; }
.w-rank::before { content: "#"; font-size: 10px; }
.w-name { width: 130px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.w-bar { flex: 1; height: 10px; border-radius: 5px; background: var(--bg); overflow: hidden; }
.w-bar i { display: block; height: 100%; border-radius: 5px; min-width: 2px; }
.w-bar i.lv-weak { background: linear-gradient(90deg, #e74c3c, #c0392b); }
.w-bar i.lv-mid { background: linear-gradient(90deg, #f5b041, #e67e22); }
.w-bar i.lv-good { background: linear-gradient(90deg, #52be80, #1e8449); }
.w-pct { width: 46px; text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.w-pct.lv-weak { color: var(--brand); }
.w-pct.lv-mid { color: #b9770e; }
.w-pct.lv-good { color: var(--ok); }
.w-count { width: 110px; text-align: right; font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }

/* ---------- 顶栏错题本入口 ---------- */
.nav-link {
  white-space: nowrap; font-size: 14px; font-weight: 600; color: var(--ink-2);
  padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel);
}
.nav-link:hover { border-color: var(--brand); color: var(--brand); text-decoration: none; }
.nav-badge {
  display: inline-block; min-width: 18px; margin-left: 5px; padding: 0 5px;
  font-size: 11px; line-height: 18px; text-align: center; border-radius: 9px;
  background: var(--brand); color: #fff; font-variant-numeric: tabular-nums;
}

/* ---------- 错题本 ---------- */
.wrong-row { padding: 12px 18px; border-bottom: 1px solid var(--line); }
.wrong-row:last-child { border-bottom: 0; }
.wrong-paper { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; font-size: 14.5px; }
.wrong-paper a { font-weight: 600; }
.wrong-q { display: flex; flex-wrap: wrap; gap: 6px; }
.wrong-q-btn {
  padding: 2px 12px; font-size: 12.5px; border-radius: 999px;
  border: 1px solid #f0c6c0; background: var(--brand-soft); color: var(--brand);
  font-variant-numeric: tabular-nums;
}
.wrong-q-btn:hover { background: var(--brand); border-color: var(--brand); color: #fff; text-decoration: none; }

/* ---------- 每日一练 ---------- */
.paper-body .daily-mat-tag { color: var(--accent); font-size: 13px; margin-bottom: 4px; }

/* ---------- 免费 / VIP 内容体系 ---------- */
.tag-free { color: var(--ok); font-weight: 600; }
.tag-vip { color: #b9770e; font-weight: 600; }
.paper-item.locked .p-title { color: var(--ink-2); }
.paper-item .lock { font-size: 12px; }

.access-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.access-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 22px; box-shadow: var(--shadow);
}
.access-card h3 { font-size: 17px; margin-bottom: 8px; }
.access-card p { font-size: 13.5px; color: var(--ink-2); }
.access-card.a-vip { border-color: #f0d9a8; background: linear-gradient(180deg, #fffdf5, #fff); }
.access-links { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.access-links a {
  padding: 3px 13px; font-size: 12.5px; border-radius: 999px;
  background: var(--bg); border: 1px solid var(--line); color: var(--ink-2);
}
.access-links a:hover { border-color: var(--brand); color: var(--brand); text-decoration: none; }
.a-vip .access-links a { background: #fff; }

.vip-hero { border-color: #f0d9a8; background: linear-gradient(135deg, #fffdf5, #fff); }
.vip-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; margin-top: 18px; }
.vip-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: var(--shadow);
}
.vip-card.featured { border-color: #f0d9a8; border-width: 2px; }
.vip-card h3 { font-size: 17px; margin-bottom: 10px; }
.vip-card ul { margin: 0 0 16px 1.3em; font-size: 14px; color: var(--ink-2); }
.vip-card li { margin: 5px 0; }
.vip-card li b { color: var(--brand); }
.vip-btn {
  display: inline-block; padding: 8px 26px; border-radius: 999px; cursor: pointer;
  border: none; background: linear-gradient(135deg, #e67e22, #c0392b); color: #fff;
  font-size: 14.5px; font-weight: 600; text-align: center;
}
.vip-btn:hover { opacity: .9; text-decoration: none; }
.vip-btn.ghost { background: #fff; border: 1px solid var(--line); color: var(--ink-2); }
.vip-price { font-size: 22px; font-weight: 700; color: var(--brand); margin-bottom: 12px; }
.vip-price s { font-size: 14px; color: var(--ink-3); font-weight: 400; margin-left: 4px; }
.vip-price em { display: block; font-size: 12px; color: var(--ok); font-style: normal; font-weight: 400; }
.vip-activate { display: flex; gap: 10px; margin-bottom: 10px; }
.vip-activate input {
  flex: 1; padding: 8px 14px; font-size: 14px; border: 1px solid var(--line);
  border-radius: 999px; outline: none;
}
.vip-activate input:focus { border-color: #e67e22; }
.vip-hint { font-size: 12.5px; color: var(--ink-3); }
.vip-hint code { background: var(--bg); border: 1px solid var(--line); border-radius: 5px; padding: 1px 7px; }
.vip-activated {
  padding: 10px 16px; border-radius: 8px; font-size: 14px; font-weight: 600;
  background: #eafaf1; border: 1px solid #d5f5e3; color: var(--ok); margin-bottom: 12px;
}
.nav-link.vip-on { border-color: #f0d9a8; background: linear-gradient(135deg, #fffdf5, #fff); color: #b9770e; font-weight: 700; }

.locked-panel {
  background: var(--panel); border: 1px dashed #f0c6c0; border-radius: var(--radius);
  padding: 46px 34px; text-align: center; box-shadow: var(--shadow);
}
.locked-panel h3 { font-size: 20px; margin: 10px 0 12px; }
.locked-panel p { max-width: 560px; margin: 0 auto 12px; color: var(--ink-2); font-size: 14.5px; }
.locked-icon { font-size: 44px; }
.locked-free { font-size: 13px; }
.locked-panel .vip-btn { margin-top: 12px; }

/* ---------- 会员中心 ---------- */
.member-card {
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  background: linear-gradient(120deg, #2c3e50, #1a252f); color: #fff;
  border-radius: var(--radius); padding: 22px 26px; box-shadow: var(--shadow); margin-top: 18px;
}
.member-card.off { background: linear-gradient(120deg, #5a6472, #3d454f); }
.mc-left { display: flex; align-items: center; gap: 16px; }
.mc-badge {
  width: 52px; height: 52px; border-radius: 12px; font-size: 15px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #f5b041, #e67e22); color: #fff; letter-spacing: 1px;
}
.off-badge { background: #7f8c9b; }
.mc-title { font-size: 17px; font-weight: 700; }
.mc-sub { font-size: 12.5px; opacity: .8; margin-top: 3px; }
.mc-actions { display: flex; gap: 10px; }
.mc-actions .vip-btn.ghost { background: transparent; border: 1px solid rgba(255,255,255,.5); color: #fff; }

.order-list { margin-top: 4px; }
.order-row {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 12px 18px; border-bottom: 1px solid var(--line); font-size: 13.5px;
}
.order-row:last-child { border-bottom: 0; }
.o-id { color: var(--ink-3); font-variant-numeric: tabular-nums; min-width: 120px; }
.o-item { flex: 1; min-width: 180px; }
.o-item small { color: var(--ink-3); }
.o-time { color: var(--ink-3); font-variant-numeric: tabular-nums; }
.o-amount { font-weight: 700; font-variant-numeric: tabular-nums; }
.o-status { color: var(--ok); font-weight: 600; }

/* ---------- 模拟收银台 ---------- */
.checkout-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(20, 26, 34, .48); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.checkout-panel {
  width: 380px; max-width: 100%; background: #fff; border-radius: 14px;
  padding: 24px 26px; box-shadow: 0 18px 50px rgba(0,0,0,.25);
}
.checkout-panel h3 { font-size: 18px; margin-bottom: 16px; }
.co-item {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 12px 14px; background: var(--bg); border-radius: 8px; font-size: 14px; margin-bottom: 14px;
}
.co-item b { color: var(--brand); font-size: 17px; }
.co-pay { display: flex; gap: 10px; margin-bottom: 16px; }
.co-pay label {
  flex: 1; text-align: center; padding: 9px 6px; font-size: 13.5px; cursor: pointer;
  border: 1px solid var(--line); border-radius: 8px;
}
.co-pay label:has(input:checked) { border-color: #e67e22; background: #fffdf5; }
.co-msg { min-height: 18px; }
.co-actions { display: flex; gap: 10px; }
.co-actions .vip-btn { flex: 1; }
.co-demo { text-align: center; font-size: 11.5px; color: var(--ink-3); margin-top: 12px; }

/* 真实收款：双码并排 */
.checkout-panel.wide { width: 580px; }
.co-qr { display: flex; gap: 16px; justify-content: center; margin-bottom: 14px; }
.co-qr-box { flex: 1; text-align: center; }
.co-qr-box img {
  width: 100%; max-width: 225px; border: 1px solid var(--line);
  border-radius: 10px; display: block; margin: 0 auto;
}
.co-qr-box span { display: block; font-size: 13px; color: var(--ink-2); margin-top: 7px; }
.co-steps { font-size: 12.5px; color: var(--ink-2); background: var(--bg); border-radius: 8px; padding: 9px 13px; margin-bottom: 12px; line-height: 1.7; }