:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --ink: #202631;
  --ink-2: #4e5868;
  --muted: #737d8d;
  --line: #dfe3e9;
  --line-2: #f0f2f6;
  --brand: #2563eb;
  --brand-2: #1d4ed8;
  --accent: #2563eb;
  --accent-2: #eaf0ff;
  --ok: #2563eb;
  --ok-bg: #eaf0ff;
  --warn: #e08a00;
  --warn-bg: #fff5e3;
  --danger: #d93a2b;
  --danger-bg: #fdeceb;
  --gold: #c8901e;
  --gold-bg: #fdf4e0;
  --radius: 12px;
  --radius-sm: 7px;
  --shadow: 0 2px 6px rgba(28, 38, 57, .025);
  --shadow-lg: 0 16px 44px rgba(28, 38, 57, .10);
  --max: 1240px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
h1, h2, h3, h4 { margin: 0 0 10px; font-weight: 600; letter-spacing: .2px; }
p { margin: 0 0 10px; }
button, input, select, textarea { font-family: inherit; font-size: 14px; }

/* ---------- 布局 ---------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.row { display: flex; gap: 14px; }
.col { flex: 1; min-width: 0; }
.between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.center { display: flex; align-items: center; }
.gap8 { gap: 8px; } .gap12 { gap: 12px; } .gap16 { gap: 16px; }
.mt8 { margin-top: 8px; } .mt16 { margin-top: 16px; } .mt24 { margin-top: 24px; } .mt32 { margin-top: 32px; }
.mb8 { margin-bottom: 8px; } .mb16 { margin-bottom: 16px; }
.grid { display: grid; gap: 14px; }
.grid2 { grid-template-columns: repeat(2, 1fr); }
.grid3 { grid-template-columns: repeat(3, 1fr); }
.grid4 { grid-template-columns: repeat(4, 1fr); }
.hide { display: none !important; }
.text-muted { color: var(--muted); }
.muted { color: var(--muted); font-size: 12px; }
.lead { font-size: 15px; line-height: 1.7; color: var(--ink-2); margin: 0 0 18px; }
.seo-box { border: 1px solid var(--line); border-radius: var(--radius, 12px); background: #fff; padding: 16px 18px; margin: 16px 0; }
.seo-box h2 { font-size: 16px; margin: 0 0 10px; }
.supp-list { margin: 0; padding-left: 20px; }
.supp-list li { margin: 4px 0; font-size: 14px; }
.chip-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chip-list li { margin: 0; }
.chip-list a { display: inline-flex; align-items: center; gap: 4px; padding: 5px 10px; border-radius: 8px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-size: 13px; text-decoration: none; transition: border-color .15s, color .15s; }
.chip-list a:hover { border-color: var(--accent); color: var(--accent); }
.text-sm { font-size: 12.5px; }
.text-xs { font-size: 12px; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap { height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; font-size: 16px; letter-spacing: .3px; }
.logo:hover { text-decoration: none; }
.logo-mark {
  width: 32px; height: 32px; border-radius: 9px; flex: none;
  background: var(--brand);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
}
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { padding: 7px 11px; border-radius: 8px; color: var(--ink-2); font-size: 13.5px; }
.nav a:hover { background: var(--line-2); text-decoration: none; }
.nav a.on { color: var(--brand); background: var(--accent-2); font-weight: 600; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; cursor: pointer; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 16px; border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: #fff; color: var(--ink); cursor: pointer; font-weight: 500;
  transition: all .16s ease; white-space: nowrap;
}
.btn:hover { border-color: var(--brand); color: var(--brand); text-decoration: none; }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { color: #fff; filter: brightness(1.08); box-shadow: 0 6px 16px rgba(17, 76, 196, .25); }
.btn-accent { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-accent:hover { color: #fff; filter: brightness(1.06); }
.btn-sm { padding: 5px 11px; font-size: 12.5px; border-radius: 7px; }
.btn-block { width: 100%; }
.btn-danger { color: var(--danger); border-color: #f3cfcb; }
.btn-danger:hover { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* ---------- 表单 ---------- */
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12.5px; color: var(--ink-2); margin-bottom: 5px; font-weight: 500; }
.field label .req { color: var(--danger); }
.input, .select, .textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: #fff; color: var(--ink); outline: none; transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(17, 76, 196, .1); }
.textarea { min-height: 76px; resize: vertical; }
.check { display: inline-flex; align-items: center; gap: 7px; cursor: pointer; font-size: 13px; }
.check input { width: 15px; height: 15px; accent-color: var(--brand); }

/* ---------- 卡片 ---------- */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-pad { padding: 18px; }
.card-hd { padding: 14px 18px; border-bottom: 1px solid var(--line-2); display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.card-hd h3 { margin: 0; font-size: 15px; }
.card-bd { padding: 18px; }

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 20px;
  font-size: 12px; line-height: 1.7; border: 1px solid var(--line); background: var(--line-2); color: var(--ink-2);
}
.tag-ok { background: var(--ok-bg); color: var(--ok); border-color: #ccddfc; }
.tag-warn { background: var(--warn-bg); color: var(--warn); border-color: #f4ddb0; }
.tag-danger { background: var(--danger-bg); color: var(--danger); border-color: #f3cfcb; }
.tag-brand { background: var(--accent-2); color: #245cc2; border-color: #ccddfc; }
.tag-gold { background: var(--gold-bg); color: var(--gold); border-color: #f0dcb0; font-weight: 600; }
.related-box { background: var(--line-2); border: 1px dashed var(--line); border-radius: 10px; padding: 12px; }
.chip-wrap { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 5px 10px; border-radius: 8px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-size: 13px; text-decoration: none; transition: border-color .15s, color .15s; }
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- 首页 hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0a3aa0 0%, #114cc4 45%, #00a2c7 100%);
  color: #fff; padding: 48px 0 56px;
}
.hero:before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 44px 44px; mask-image: radial-gradient(ellipse at 30% 20%, #000 30%, transparent 78%);
}
.hero .wrap { position: relative; }
.hero h1 { font-size: 30px; margin-bottom: 10px; font-weight: 700; }
.hero p { color: rgba(255, 255, 255, .88); font-size: 15px; max-width: 720px; }
.searchbox { margin-top: 26px; background: rgba(255,255,255,.96); border-radius: 16px; padding: 8px; box-shadow: var(--shadow-lg); }
.searchbox-inner { display: flex; gap: 8px; align-items: center; }
.searchbox .input { border: none; background: transparent; height: 44px; font-size: 15px; }
.searchbox .input:focus { box-shadow: none; }
.seg { display: flex; background: var(--line-2); border-radius: 9px; padding: 3px; flex: none; }
.seg button { border: none; background: none; padding: 7px 14px; border-radius: 7px; cursor: pointer; color: var(--ink-2); font-size: 13px; }
.seg button.on { background: #fff; color: var(--brand); font-weight: 600; box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.hero-stats { display: flex; gap: 28px; margin-top: 26px; flex-wrap: wrap; }
.hero-stats div b { display: block; font-size: 22px; font-weight: 700; }
.hero-stats div span { font-size: 12.5px; color: rgba(255,255,255,.82); }

/* ---------- 搜索结果 ---------- */
.result-head { padding: 18px 0 12px; }
.result-item { padding: 16px 18px; border-bottom: 1px solid var(--line-2); }
.result-item:last-child { border-bottom: none; }
.model-line { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 15px; }
.model-code { font-family: "SF Mono", Consolas, Menlo, monospace; font-weight: 600; letter-spacing: .2px; }
.arrow { color: var(--accent); font-weight: 700; }
.kv { display: grid; grid-template-columns: 92px 1fr; gap: 6px 10px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; color: var(--ink-2); }
.highlight-box {
  border: 1px solid #f0dcb0; background: linear-gradient(180deg, #fffaf0, #fff);
  border-radius: var(--radius-sm); padding: 10px 12px; margin-top: 10px;
}
.highlight-box.verified { border-color: #c6e9d6; background: linear-gradient(180deg, #f2fbf6, #fff); }
.hb-title { font-size: 12.5px; color: var(--muted); margin-bottom: 6px; }
.hb-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13.5px; }
.grade-badge {
  display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 30px;
  border-radius: 8px; font-weight: 700; font-size: 15px; padding: 0 8px;
}
.grade-ap { background: linear-gradient(135deg, #f7c948, #e09b12); color: #fff; }
.grade-a { background: linear-gradient(135deg, #4bb3fd, #114cc4); color: #fff; }
.grade-b { background: linear-gradient(135deg, #9db6d6, #6b7c93); color: #fff; }
.grade-none { background: var(--line-2); color: var(--muted); }
.contact-box { margin-top: 10px; padding: 10px 12px; background: var(--accent-2); border: 1px dashed #b9cff5; border-radius: var(--radius-sm); }
.lock-note { margin-top: 10px; padding: 9px 12px; background: var(--line-2); border: 1px dashed var(--line); border-radius: var(--radius-sm); color: var(--muted); font-size: 12.5px; }
.empty { text-align: center; padding: 54px 20px; }
.empty .ico { font-size: 40px; margin-bottom: 10px; opacity: .5; }
.disclaimer { background: var(--warn-bg); border: 1px solid #f4ddb0; color: #8a5a00; border-radius: var(--radius-sm); padding: 10px 13px; font-size: 12.5px; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.tb { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 620px; }
table.tb th, table.tb td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line-2); vertical-align: middle; }
table.tb th { background: #f8fbfe; color: var(--ink-2); font-weight: 600; white-space: nowrap; position: sticky; top: 0; }
table.tb tbody tr:hover { background: #fafcff; }
table.tb td .btn { margin-right: 4px; }

/* ---------- 后台布局 ---------- */
.console { display: grid; grid-template-columns: 210px 1fr; gap: 18px; align-items: start; }
.side { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; position: sticky; top: 76px; }
.side .side-hd { padding: 14px 16px; border-bottom: 1px solid var(--line-2); font-weight: 600; font-size: 13.5px; color: var(--muted); }
.side a { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 11px 16px; color: var(--ink-2); font-size: 13.5px; border-left: 3px solid transparent; }
.side a:hover { background: var(--line-2); text-decoration: none; }
.side a.on { background: var(--accent-2); color: var(--brand); font-weight: 600; border-left-color: var(--brand); }
.side .badge { background: var(--danger); color: #fff; border-radius: 10px; padding: 0 7px; font-size: 11px; line-height: 18px; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.stat b { display: block; font-size: 26px; font-weight: 700; color: var(--brand); line-height: 1.3; }
.stat span { font-size: 12.5px; color: var(--muted); }

/* ---------- 弹窗 ---------- */
.mask { position: fixed; inset: 0; background: rgba(15, 36, 64, .45); display: flex; align-items: center; justify-content: center; z-index: 200; padding: 16px; }
.modal { background: #fff; border-radius: var(--radius); width: 100%; max-width: 620px; max-height: 88vh; overflow: auto; box-shadow: var(--shadow-lg); }
.modal-hd { padding: 15px 18px; border-bottom: 1px solid var(--line-2); display: flex; justify-content: space-between; align-items: center; }
.modal-bd { padding: 18px; }
.modal-ft { padding: 13px 18px; border-top: 1px solid var(--line-2); display: flex; justify-content: flex-end; gap: 10px; }
.close-x { border: none; background: none; font-size: 20px; cursor: pointer; color: var(--muted); line-height: 1; }

/* ---------- Toast ---------- */
#toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: 40px; z-index: 999; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast-item { background: rgba(15, 36, 64, .93); color: #fff; padding: 10px 18px; border-radius: 22px; font-size: 13.5px; box-shadow: var(--shadow-lg); animation: up .22s ease; }
@keyframes up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- 页脚 ---------- */
.footer { margin-top: 46px; background: #0d2b52; color: #cbd8ea; padding: 34px 0 24px; }
.footer a { color: #cbd8ea; }
.footer h4 { color: #fff; font-size: 14px; margin-bottom: 10px; }
.footer .grid { grid-template-columns: 1.6fr 1fr 1fr 1.2fr; }
.footer .copy { border-top: 1px solid rgba(255,255,255,.12); margin-top: 22px; padding-top: 14px; font-size: 12px; color: #95a8c2; }

/* ---------- 登录 ---------- */
.login-wrap { max-width: 400px; margin: 56px auto; }
.login-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 30px; }
.oauth-btn { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; padding: 11px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: #fff; cursor: pointer; font-size: 14.5px; margin-bottom: 10px; }
.oauth-btn:hover { border-color: var(--brand); }
.oauth-btn.wechat { color: #0f9d58; }
.oauth-btn.qq { color: #1296db; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }

/* ---------- 响应式 ---------- */
@media (max-width: 1000px) {
  .grid4, .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .grid3 { grid-template-columns: repeat(2, 1fr); }
  .footer .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 13.5px; }
  .nav { display: none; position: absolute; top: 60px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: 8px; box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: 11px 12px; }
  .nav-toggle { display: block; }
  .grid2, .grid3, .grid4 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .console { grid-template-columns: 1fr; }
  .side { position: static; }
  .side a { padding: 13px 14px; }
  .hero { padding: 32px 0 38px; }
  .hero h1 { font-size: 22px; }
  .hero p { font-size: 13.5px; }
  .hero-stats { gap: 18px; }
  .hero-stats div b { font-size: 18px; }
  .searchbox-inner { flex-wrap: wrap; }
  .searchbox .input { height: 42px; }
  .searchbox .btn { width: 100%; }
  .seg { width: 100%; }
  .seg button { flex: 1; }
  .kv { grid-template-columns: 78px 1fr; }
  .footer .grid { grid-template-columns: 1fr; }
  .login-wrap { margin: 24px auto; }
  .card-pad, .card-bd { padding: 14px; }
  .result-item { padding: 14px; }
}

/* 搜索加载中 */
.loading { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 48px 16px; color: var(--muted); }
.spinner { width: 34px; height: 34px; border: 3px solid var(--line); border-top-color: var(--brand); border-radius: 50%; animation: gcm-spin .8s linear infinite; }
.loading-text { font-size: 14px; }
@keyframes gcm-spin { to { transform: rotate(360deg); } }

/* 参数查询 */

/* ---------- SEO 品牌/分类卡片 ---------- */
.brand-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; margin: 14px 0 26px; }
.brand-card { display: block; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; color: var(--ink); text-decoration: none; transition: border-color .15s, box-shadow .15s, transform .15s; }
.brand-card:hover { border-color: var(--brand); box-shadow: var(--shadow); transform: translateY(-2px); text-decoration: none; }
.bc-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.bc-name { font-weight: 600; font-size: 14.5px; }
.bc-en { color: var(--muted); font-size: 12px; margin-top: 3px; }
.bc-meta { color: var(--accent); font-size: 12px; margin-top: 9px; }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin: 12px 0 22px; }
.cat-card { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; color: var(--ink); text-decoration: none; transition: border-color .15s, box-shadow .15s, transform .15s; }
.cat-card:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-2px); text-decoration: none; }
.cat-name { font-size: 14px; }
.cat-n { color: var(--muted); font-size: 12px; white-space: nowrap; }
.grp-title { font-size: 15px; margin: 22px 0 6px; padding-bottom: 6px; border-bottom: 2px solid var(--line-2); }
.letter-nav { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 6px; position: sticky; top: 60px; z-index: 10; background: rgba(244, 247, 251, .92); padding: 8px 10px; border-radius: 10px; }
.letter-nav a { display: inline-flex; align-items: center; justify-content: center; min-width: 28px; height: 28px; padding: 0 6px; border-radius: 7px; background: #fff; border: 1px solid var(--line); color: var(--ink-2); font-size: 12.5px; }
.letter-nav a:hover { border-color: var(--brand); color: var(--brand); text-decoration: none; }
.chip-brand { display: inline-flex; align-items: center; padding: 2px 9px; border-radius: 20px; font-size: 12.5px; border: 1px solid var(--line); background: var(--accent-2); color: #245cc2; text-decoration: none; }
.chip-brand:hover { border-color: var(--accent); text-decoration: none; }

/* ---------- 落地页信息头 / 统计说明 ---------- */
.brand-hero { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; margin: 0 0 18px; }
.brand-hero .bh-name { font-size: 22px; font-weight: 700; color: var(--ink); }
.brand-hero .bh-en { color: var(--muted); font-size: 13px; margin-top: 2px; }
.stat span { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; }
.seo-box .brand-grid, .seo-box .cat-grid { margin-bottom: 4px; }
.seo-box .chip-wrap { margin-top: 2px; }
.seo-detail { padding-top: 30px; padding-bottom: 15px; }
.seo-page-heading { margin: 20px 0 26px; max-width: 960px; }
.seo-page-heading h1 { font-size: 28px; line-height: 1.55; overflow-wrap: anywhere; }
.seo-page-heading p { color: var(--muted); font-size: 13px; line-height: 1.95; }
.seo-detail .breadcrumb { flex-wrap: wrap; }
.seo-pagination { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding: 18px 0 28px; }
.selection-checklist h3 { font-size: 14px; }
.selection-checklist p { font-size: 12px; color: var(--muted); line-height: 1.95; }
.seo-discovery { margin: 4px 0 34px; }
.seo-discovery>.grid { margin-top: 16px; }
.catalog-model { display: flex; flex-direction: column; gap: 6px; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 9px; color: var(--ink); min-width: 0; }
.catalog-model strong { font: 600 13px/1.8 Consolas,monospace; overflow-wrap: anywhere; }
.catalog-model span,.catalog-model small { font-size: 11px; color: var(--muted); }
.catalog-model:hover { border-color: var(--brand); text-decoration: none; }
.seo-faq { margin: 32px 0; }
.seo-faq>.section-heading { margin-bottom: 17px; }
.seo-faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.seo-faq summary { cursor: pointer; font-size: 14px; color: var(--ink); }
.seo-faq details p { padding: 14px 0 0; max-width: 880px; font-size: 13px; line-height: 1.9; color: var(--muted); }
.seo-faq>p { margin-top: 18px; }
@media(max-width:760px) { .seo-page-heading h1 { font-size: 22px; }.seo-faq .section-heading { flex-wrap: wrap; }.seo-faq .section-heading h2 { font-size: 18px; }.about-intro h1 { font-size: 24px; } }

/* ---------- 统一界面：选型、资料与厂商连接 ---------- */
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { font-size: 14px; line-height: 1.75; }
::selection { background: #dbe7ff; color: #1c3766; }
:focus-visible { outline: 3px solid #7aa3f4; outline-offset: 4px; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
button { touch-action: manipulation; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link { position: fixed; top: -80px; left: 20px; z-index: 300; padding: 10px 18px; background: var(--brand); color: #fff; border-radius: 6px; }
.skip-link:focus { top: 10px; }
.wrap { padding-left: 28px; padding-right: 28px; }
.topbar { background: rgba(255,255,255,.97); }
.topbar .wrap { height: 78px; gap: 20px; }
.logo { gap: 11px; flex-shrink: 0; }
.logo-mark { width: 38px; height: 38px; border-radius: 10px; }
.logo-mark svg { width: 28px; height: 28px; }
.logo-name { display: block; font-size: 20px; line-height: 1.4; letter-spacing: 1px; }
.logo-subtitle { display: block; font-size: 10px; font-weight: 400; letter-spacing: .7px; color: var(--muted); }
.nav { gap: 3px; }
.nav a { position: relative; padding: 26px 12px; border-radius: 0; font-size: 14px; white-space: nowrap; }
.nav a.on { background: transparent; }
.nav a.on:after { content: ''; position: absolute; bottom: 14px; left: 12px; right: 12px; height: 2px; background: var(--brand); }
.header-actions { flex-shrink: 0; }
.header-actions .btn { border-color: var(--line); }
.header-actions .btn-primary { border-color: var(--brand); }
.btn { min-height: 40px; padding: 9px 18px; font-weight: 600; transition: background .18s, border-color .18s, color .18s; }
.btn-sm { min-height: 34px; padding: 6px 12px; }
.btn-primary:hover { background: var(--brand-2); border-color: var(--brand-2); filter: none; box-shadow: none; }
.btn-accent:hover { background: var(--brand-2); filter: none; }
.input:focus, .select:focus, .textarea:focus { box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.input, .select, .textarea { min-height: 42px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; font-size: 13px; font-weight: 600; white-space: nowrap; }
.eyebrow { font-size: 11px; letter-spacing: 1.6px; font-weight: 600; color: var(--brand); }
.status-dot { display: inline-block; width: 6px; height: 6px; flex-shrink: 0; border-radius: 50%; background: #3478ed; }
.home-hero { background: #eef1f5; border-bottom: 1px solid var(--line); padding: 48px 0 0; }
.hero-layout { display: grid; grid-template-columns: 1.28fr 1fr; align-items: center; gap: 65px; }
.hero-copy .eyebrow { display: flex; align-items: center; gap: 9px; font-size: 12px; letter-spacing: 1.1px; }
.hero-copy h1 { font-size: clamp(32px,3.3vw,46px); line-height: 1.5; letter-spacing: -1.4px; font-weight: 700; margin: 19px 0 18px; }
.hero-copy h1>span { color: var(--brand); }
.hero-description { color: #667184; line-height: 1.9; font-size: 14px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 20px; color: #536176; font-size: 12px; }
.check-icon { color: var(--brand); margin-right: 4px; }
.circuit-board { height: 286px; position: relative; background-image: radial-gradient(#d1d9e5 .8px,transparent .8px); background-size: 17px 17px; }
.board-caption { position: absolute; top: 0; left: 0; right: 0; font: 9px Consolas,monospace; letter-spacing: 1.2px; color: #7b889c; }
.board-caption>span { float: right; }
.circuit-lines { width: 100%; height: 100%; }
.processor { position: absolute; left: 50%; top: 47%; transform: translate(-50%,-50%); width: 116px; height: 116px; padding: 9px; background: #252e3d; border: 1px solid #53647e; border-radius: 15px; box-shadow: 0 14px 30px #18253d22,0 0 0 7px #dbe2ed,0 0 0 8px #b5c4dc; }
.processor-inner { border: 1px solid #60728e; border-radius: 9px; height: 100%; color: #ecf2ff; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.processor-inner svg { width: 28px; height: 28px; color: #8ab5ff; margin-bottom: 3px; }
.processor-inner strong { font-size: 13px; letter-spacing: 2px; }
.processor-inner small { font-size: 8px; color: #a5b7d3; letter-spacing: 1px; }
.board-label { position: absolute; background: #ffffffed; border: 1px solid #d9e0eb; border-radius: 7px; padding: 9px 15px; box-shadow: 0 4px 15px #24365408; }
.board-label span { font-size: 10px; color: var(--muted); display: block; }
.board-label strong { font-size: 11px; letter-spacing: .5px; font-weight: 500; }
.board-label i { font-style: normal; color: var(--brand); margin-left: 8px; }
.label-origin { top: 49px; left: 0; }
.label-match { bottom: 38px; right: 0; }
.board-foot { position: absolute; bottom: 0; font-size: 10px; color: #728199; display: flex; align-items: center; gap: 8px; }
.home-search { position: relative; margin-top: 34px; padding: 0 24px; border: 1px solid #d8e0ed; border-radius: 12px; background: #fff; box-shadow: 0 10px 26px #20304b06; }
.search-tabs.seg { padding: 0; border-radius: 0; background: transparent; gap: 32px; border-bottom: 1px solid var(--line-2); }
.search-tabs.seg button { position: relative; padding: 17px 0 13px; border-radius: 0; color: #7b8596; font-size: 14px; }
.search-tabs.seg button.on { color: var(--brand); background: transparent; box-shadow: none; }
.search-tabs.seg button.on:after { content: ''; position: absolute; bottom: -1px; height: 2px; background: var(--brand); left: 0; right: 0; }
.search-entry { display: flex; align-items: center; gap: 15px; padding: 16px 0; }
.search-entry>svg { color: #637794; flex-shrink: 0; }
.search-entry .input { height: 46px; min-width: 0; border: 0; padding-left: 0; font-size: 16px; background: transparent; box-shadow: none; }
.search-entry .input:focus-visible { outline: 0; box-shadow: inset 0 -2px var(--brand); border-radius: 0; }
.search-entry .btn { min-height: 46px; gap: 28px; padding: 10px 25px; }
.search-examples { display: flex; flex-wrap: wrap; align-items: center; gap: 15px; padding: 0 0 16px; font-size: 11px; color: var(--muted); }
.search-examples a { color: #51627b; font-family: Consolas,monospace; }
.search-examples a:hover { color: var(--brand); }
.search-hint { margin-left: auto; }
.home-stats.hero-stats { margin: 0; padding: 26px 0; display: grid; grid-template-columns: repeat(4,1fr) 1.3fr; gap: 0; align-items: center; }
.home-stats div { padding-left: 32px; border-left: 1px solid #d6deea; }
.home-stats div:first-child { padding-left: 2px; border: 0; }
.home-stats.hero-stats div b { font: 600 27px/1.4 Consolas,monospace; color: #2b3445; }
.home-stats.hero-stats div span { font-size: 11px; color: #758196; }
.home-stats p { margin: 0; text-align: right; color: #758196; font-size: 11px; line-height: 1.9; }
.home-content { padding-top: 44px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.section-heading h2 { margin: 6px 0 0; font-size: 22px; line-height: 1.5; letter-spacing: -.4px; }
.section-description { color: var(--muted); margin: 10px 0 23px; font-size: 12px; }
.discovery-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; }
.brand-discovery { padding: 8px 0; min-width: 0; }
.brand-tiles { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; }
.brand-tiles .tag { display: flex; justify-content: space-between; gap: 10px; min-height: 73px; border-radius: 8px; padding: 15px 18px; background: #fff; color: #344158; border-color: var(--line); font-weight: 600; font-size: 14px; }
.brand-tiles .tag:after { content: '↗'; color: #8b9bb3; font-size: 15px; font-weight: 400; }
.brand-tiles .tag:hover { border-color: #8aacfa; text-decoration: none; background: #f1f5ff; }
.publish-panel { position: relative; padding: 26px; background: #e9edf5; border: 1px solid #dbe2ee; border-radius: 10px; }
.publish-panel .eyebrow { font-size: 9px; color: #58709b; }
.publish-panel h2 { font-size: 22px; line-height: 1.7; letter-spacing: -.4px; margin: 14px 0 10px; }
.publish-panel p { color: #6c7c96; font-size: 12px; margin-bottom: 20px; }
.publish-panel .btn { width: 100%; justify-content: space-between; }
.publish-panel>.text-link { margin-top: 14px; font-size: 11px; color: #5f7397; }
.panel-symbol { position: absolute; right: 23px; top: 17px; color: #8a9dbd; font-size: 24px; }
.category-section { margin-top: 42px; }
.category-section .section-heading h2 { font-size: 18px; }
.category-shortcuts { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); margin-top: 18px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.category-shortcuts>a { display: flex; align-items: center; gap: 12px; padding: 22px 18px; color: var(--ink); min-width: 0; }
.category-shortcuts>a+a { border-left: 1px solid var(--line); }
.category-shortcuts>a:hover { background: var(--line-2); text-decoration: none; }
.category-icon { display: grid; place-items: center; width: 36px; height: 36px; flex-shrink: 0; background: #edf2fc; color: #416fc1; font: 20px Consolas,monospace; border-radius: 7px; }
.category-shortcuts strong { display: block; font-size: 12px; font-weight: 600; }
.category-shortcuts small { display: block; color: var(--muted); font-size: 10px; margin-top: 4px; }
.category-shortcuts i { margin-left: auto; color: #8b9cb5; font-style: normal; }
.workflow-section { padding: 47px 0 42px; }
.workflow-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 32px; margin-top: 28px; }
.step-number { display: block; font: 24px Consolas,monospace; color: #adb9cd; margin-bottom: 15px; }
.workflow-grid article { border-top: 1px solid var(--line); padding-top: 20px; }
.workflow-grid h3 { font-size: 14px; margin-bottom: 9px; }
.workflow-grid p { font-size: 12px; color: var(--muted); line-height: 1.9; }
.cooperation-banner { padding: 28px 34px; background: #252e3d; color: #f4f6fb; border-radius: 10px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cooperation-banner .eyebrow { font-size: 9px; color: #93acd2; }
.cooperation-banner h2 { font-size: 22px; margin: 9px 0; }
.cooperation-banner p { color: #a8b6cc; font-size: 12px; margin: 0; }
.cooperation-banner .btn { background: transparent; color: #eef3fc; border-color: #526782; gap: 20px; }
.cooperation-banner .btn:hover { background: #34435c; }
.home-disclaimer { font-size: 10px; color: #8792a4; text-align: center; margin: 18px 0 0; }
.footer { margin-top: 48px; background: #fff; border-top: 1px solid var(--line); color: #7c8798; padding: 34px 0 20px; }
.footer a { color: #536d98; }
.footer h4 { color: var(--ink); font-size: 14px; }
.footer .grid { grid-template-columns: 1.5fr 1fr 1fr; gap: 50px; }
.footer .text-sm { font-size: 11px; line-height: 1.9; }
.footer .copy { border-top-color: var(--line); color: #8993a3; font-size: 10px; }
.footer-link-list { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 14px; font-size: 11px; }
.footer .btn { min-height: 32px; font-size: 11px; }
.page-intro { padding: 34px 0 25px; }
.page-intro h1 { font-size: 28px; margin: 6px 0 8px; }
.page-intro p { font-size: 13px; color: var(--muted); margin: 0; }
.breadcrumb { display: flex; gap: 9px; font-size: 11px; color: var(--muted); margin-bottom: 14px; }
.breadcrumb a { color: #77879e; }
.search-page .search-panel { padding: 17px; margin-top: 0; border: 1px solid #d0dcee; }
.search-panel #kw-block, .search-panel #param-block { flex: 1; min-width: 0; }
.search-panel .input { border: 0; }
.search-panel .seg { background: #edf1f8; }
.search-panel .btn-primary { gap: 20px; }
.search-page .result-head { padding-top: 27px; padding-bottom: 3px; }
.search-page .result-head h2 { font-size: 19px; overflow-wrap: anywhere; }
.result-item { padding: 25px; }
.result-item .kv { margin-bottom: 0; }
.result-item h3 { font-size: 18px; }
.result-item .model-line { line-height: 1.9; }
.kv dd { overflow-wrap: anywhere; min-width: 0; }
.kv dt { font-size: 12px; }
.result-item .highlight-box { background: #f5f7fb; border-color: #e1e6ef; }
.lock-note { border: 1px solid #dbe4f2; background: #eff4fc; color: #5d7394; }
.disclaimer { background: #f6f4ec; border-color: #e8e3d3; color: #8a805b; font-size: 11px; }
.card-pad, .card-bd { padding: 24px; }
.card-hd { padding: 17px 24px; }
.content-page>.hero { background: #eef1f6; color: var(--ink); border: 1px solid var(--line); }
.content-page>.hero:before { display: none; }
.content-page>.hero p { color: var(--muted); }
.content-page h3 { font-size: 16px; }
.content-page .grid .card { box-shadow: none; }
.content-page .card p, .content-page li { line-height: 1.95; }
.about-intro { background: #eef1f6; border-color: #dce3ef; padding: 32px; }
.about-intro h2 { font-size: 26px; }
.login-page { background: #f1f3f7; }
.login-wrap { max-width: 440px; margin: 54px auto; }
.login-card { padding: 38px; box-shadow: 0 12px 40px #243c6210; }
.login-card:before { content: 'WELCOME BACK'; display: block; text-align: center; letter-spacing: 2px; font-size: 10px; color: var(--brand); margin-bottom: 14px; }
.oauth-btn { min-height: 48px; font-size: 14px; }
.console { gap: 24px; padding-top: 5px; }
.side { top: 96px; }
.side .side-hd { letter-spacing: 1px; font-size: 12px; padding: 19px 18px; }
.side a { padding: 13px 18px; }
.stat { padding: 23px; }
.stat b { font-family: Consolas,monospace; }
table.tb th { background: #f1f4f9; }
table.tb tbody tr:hover { background: #f7f9fc; }
table.tb th, table.tb td { padding: 12px 15px; }
.letter-nav { top: 78px; background: #f0f3f9f5; }
.empty { padding: 65px 24px; }
.empty .ico { font-family: Consolas,monospace; color: var(--brand); }
.search-page .card:has(>#result-list) { border: 0; background: transparent; box-shadow: none; }
.search-page #result-list>.result-item { background: #fff; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 15px; }
.match-overview { display: flex; flex-wrap: wrap; gap: 9px 25px; margin-top: 18px; padding-top: 15px; border-top: 1px solid var(--line-2); font-size: 12px; color: var(--muted); }
.match-overview b { font-weight: 500; color: var(--ink-2); margin-left: 7px; }
.match-overview p { width: 100%; color: #62748e; margin: 0; overflow-wrap: anywhere; }
.match-details { margin-top: 16px; }
.match-details>summary { cursor: pointer; color: var(--brand); font-size: 12px; padding: 10px 12px; border: 1px solid #e1e7f1; border-radius: 6px; background: #f6f8fc; }
.match-details>summary>span { float: right; color: #8897ad; font-size: 10px; }
.match-details[open]>summary { background: #edf2fc; }
.match-details>.grid>div { padding: 15px; border: 1px solid var(--line-2); border-radius: 8px; }
@media(min-width:761px) and (max-width:1080px) {
  .logo-subtitle { display: none; }.logo-name { font-size: 16px; }.logo-mark { width: 32px; height: 32px; }
  .nav a { padding-left: 8px; padding-right: 8px; font-size: 12px; }.topbar .wrap { gap: 12px; }
  .hero-layout { gap: 28px; }.hero-facts { gap: 10px; }.discovery-layout { gap: 25px; grid-template-columns: 1fr 270px; }
  .category-shortcuts>a { padding: 18px 12px; gap: 8px; }.category-shortcuts i { display: none; }
}
@media(max-width:760px) {
  .wrap { padding-left: 20px; padding-right: 20px; }.topbar .wrap { height: 68px; gap: 10px; }
  .logo-name { font-size: 17px; }.logo-subtitle { font-size: 8px; letter-spacing: 0; }.logo-mark { width: 32px; height: 32px; }.logo { gap: 8px; }
  .header-actions { gap: 6px; }.header-actions .btn { padding: 5px 9px; font-size: 11px; }.header-actions #btn-logout { display: none; }
  .nav { top: 68px; padding: 10px 20px 18px; }.nav a { padding: 12px; font-size: 14px; border-radius: 6px; }.nav a.on { background: var(--line-2); }.nav a.on:after { display: none; }
  .nav-toggle { min-height: 34px; padding: 4px 8px; font-size: 12px; }
  .home-hero { padding-top: 32px; }.hero-layout { grid-template-columns: 1fr; gap: 0; }.circuit-board { display: none; }
  .hero-copy h1 { font-size: 32px; line-height: 1.55; letter-spacing: -.8px; margin-top: 17px; }.hero-description { font-size: 13px; }.desktop-break { display: none; }
  .hero-facts { gap: 12px; font-size: 10px; margin-top: 18px; }.home-search { margin-top: 26px; padding: 0 16px; }
  .search-tabs.seg { gap: 25px; }.search-tabs.seg button { flex: none; font-size: 13px; }
  .search-entry { gap: 10px; flex-wrap: wrap; padding: 12px 0; }.search-entry .input { width: calc(100% - 34px); height: 44px; font-size: 14px; }.search-entry .btn { width: 100%; min-height: 44px; justify-content: center; }
  .search-examples { gap: 8px 12px; font-size: 10px; padding-bottom: 14px; }.search-hint { display: none; }
  .home-stats.hero-stats { grid-template-columns: repeat(4,1fr); padding: 23px 0; }.home-stats div { padding-left: 13px; }.home-stats p { display: none; }.home-stats.hero-stats div b { font-size: 21px; }.home-stats.hero-stats div span { font-size: 9px; }
  .home-content { padding-top: 28px; }.discovery-layout { grid-template-columns: 1fr; gap: 25px; }.section-heading { gap: 12px; }.section-heading h2 { font-size: 18px; }.section-heading .eyebrow { font-size: 9px; letter-spacing: 1px; }.section-heading .text-link { font-size: 11px; gap: 5px; }
  .brand-tiles { grid-template-columns: repeat(2,minmax(0,1fr)); }.brand-tiles .tag { min-height: 62px; padding: 12px; font-size: 12px; }.publish-panel { padding: 24px; }.publish-panel h2 br { display: none; }.publish-panel h2 { font-size: 20px; }.publish-panel p br { display: none; }.publish-panel .btn { max-width: 280px; }.publish-panel>.text-link { display: flex; }
  .category-section { margin-top: 30px; }.category-section .section-heading { align-items: start; flex-direction: column; gap: 5px; }.category-shortcuts { grid-template-columns: repeat(2,minmax(0,1fr)); }.category-shortcuts>a { padding: 17px 12px; gap: 8px; }.category-shortcuts>a+a { border-left: 0; }.category-shortcuts>a:nth-child(even) { border-left: 1px solid var(--line); }.category-shortcuts>a:nth-child(n+3) { border-top: 1px solid var(--line); }.category-shortcuts i { display: none; }.category-icon { width: 29px; height: 32px; font-size: 17px; }.category-shortcuts strong { font-size: 11px; }.category-shortcuts small { font-size: 9px; }
  .workflow-section { padding: 32px 0 26px; }.workflow-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px; margin-top: 22px; }.workflow-grid p { font-size: 11px; }.workflow-grid h3 { font-size: 13px; }.step-number { font-size: 21px; }
  .cooperation-banner { padding: 25px; align-items: start; flex-direction: column; gap: 20px; }.cooperation-banner h2 { font-size: 20px; }.cooperation-banner p { font-size: 11px; }.home-disclaimer { text-align: left; line-height: 1.9; }
  .footer { margin-top: 30px; padding-top: 25px; }.footer .grid { grid-template-columns: 1fr; gap: 22px; }.footer .copy { line-height: 1.9; }
  .page-intro { padding: 25px 0 20px; }.page-intro h1 { font-size: 25px; }.search-page .search-panel { padding: 12px; }.search-panel .seg { width: 100%; }.search-panel .input { font-size: 16px; }.search-panel #kw-block,.search-panel #param-block { flex-basis: 100%; }.search-panel .searchbox-inner>.btn { width: 100%; }
  .search-page .result-head h2 { font-size: 18px; }.search-page .result-head .between { align-items: start; gap: 14px; }.result-item { padding: 19px 16px; }.result-item .model-line { font-size: 13px; }.kv { grid-template-columns: 74px minmax(0,1fr); gap: 9px; font-size: 12px; }.kv dt { font-size: 11px; }
  .card-pad,.card-bd { padding: 20px; }.card-hd { padding: 16px 20px; }.content-page>.hero { padding: 24px 20px !important; }.content-page .hero .wrap { padding: 0; }.about-intro { padding: 24px; }
  .login-wrap { margin: 30px auto; }.login-card { padding: 28px 24px; }.side { position: static; }.console { gap: 18px; }.stat { padding: 17px; }.letter-nav { top: 68px; }
}
@media(prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } *,*:before,*:after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }
@media(max-width:380px) {
  .topbar .wrap { padding-left: 14px; padding-right: 14px; }.logo-subtitle { display: none; }.logo-name { font-size: 16px; }
  .hero-copy h1 { font-size: 28px; }.hero-facts { gap: 7px; font-size: 9px; }.home-stats.hero-stats div b { font-size: 18px; }
  .home-stats div { padding-left: 9px; }.header-actions .btn>span { display: none; }
}

/* ---------- 资讯详情：正文阅读与延伸导航 ---------- */
.article-page { padding-top: 24px; }
.article-page>.breadcrumb { margin-bottom: 22px; font-size: 12px; }
.article-page>.breadcrumb [aria-current] { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 68%; }
.article-layout { display: grid; grid-template-columns: minmax(0,1fr) 272px; gap: 28px; align-items: start; }
.article-main { min-width: 0; }
.news-article { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 38px 42px 25px; }
.article-header { padding-bottom: 25px; border-bottom: 1px solid var(--line); }
.article-category { display: flex; gap: 12px; align-items: center; font-size: 11px; margin-bottom: 18px; }
.article-category>span { padding: 3px 10px; color: var(--brand); border-radius: 4px; background: var(--accent-2); }
.article-category>a { color: var(--muted); }
.article-header h1 { font-size: 30px; line-height: 1.55; font-weight: 650; letter-spacing: -.5px; margin: 0 0 24px; overflow-wrap: anywhere; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; color: var(--muted); font-size: 11px; }
.article-author { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-2); }
.author-avatar { display: inline-grid; place-items: center; width: 27px; height: 27px; background: #edf1f8; border: 1px solid #dce4f2; color: #5475ad; border-radius: 50%; font-size: 11px; }
.article-summary { padding: 18px 20px; margin: 25px 0 28px; background: #f4f7fc; border-left: 3px solid #8aabed; border-radius: 0 6px 6px 0; }
.article-summary>span { display: block; font-size: 10px; color: #6580af; letter-spacing: 1px; margin-bottom: 7px; }
.article-summary p { color: #52637e; font-size: 14px; line-height: 1.95; margin: 0; overflow-wrap: anywhere; }
.article-prose { color: #354154; font-size: 16px; line-height: 2.05; overflow-wrap: anywhere; padding-top: 8px; }
.article-prose p { margin-bottom: 22px; }
.article-prose h2 { font-size: 21px; line-height: 1.7; color: var(--ink); margin: 32px 0 16px; padding-top: 7px; scroll-margin-top: 100px; }
.article-footer { border-top: 1px solid var(--line); padding-top: 19px; margin-top: 34px; }
.article-footer p { color: var(--muted); font-size: 11px; line-height: 1.9; }
.article-footer>div { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; margin-top: 15px; font-size: 11px; }
.article-sidebar { display: grid; gap: 18px; position: sticky; top: 98px; }
.article-side-card { background: #fff; padding: 23px; border: 1px solid var(--line); border-radius: 10px; }
.article-side-card .eyebrow { font-size: 10px; }
.article-side-card h2 { font-size: 16px; margin: 10px 0 16px; line-height: 1.7; }
.article-side-card nav { display: flex; flex-direction: column; gap: 4px; max-height: 280px; overflow-y: auto; }
.article-side-card nav a { color: #65738a; border-left: 2px solid #e5eaf2; padding: 7px 11px; font-size: 12px; overflow-wrap: anywhere; }
.article-side-card nav a:hover { color: var(--brand); border-color: var(--brand); text-decoration: none; background: #f5f8ff; }
.article-tool-card { background: #edf2fc; border-color: #dbe5f6; }
.article-tool-card p { font-size: 12px; line-height: 1.95; color: #718099; margin-bottom: 20px; }
.article-tool-card .btn { font-size: 12px; }
.article-side-link { display: block; margin-top: 13px; font-size: 11px; color: #5c769e; }
.article-neighbors { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-top: 18px; }
.article-neighbors>a { position: relative; padding: 17px 35px 17px 20px; background: #fff; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); }
.article-neighbors small { display: block; color: var(--muted); font-size: 10px; margin-bottom: 5px; }
.article-neighbors strong { display: block; font-size: 12px; font-weight: 500; line-height: 1.9; overflow-wrap: anywhere; }
.article-neighbors>a>span { position: absolute; right: 14px; top: 17px; color: #8ca2c4; }
.article-neighbors>a:hover { border-color: #9db8ea; text-decoration: none; }
.article-neighbors>.all-articles { grid-column: 1/-1; padding-top: 13px; padding-bottom: 13px; background: transparent; border-style: dashed; }
.related-reading { margin-top: 34px; }
.related-reading .section-heading { margin-bottom: 18px; }
.related-reading h2 { font-size: 20px; margin: 0; }
.related-article-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.related-article { display: block; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: 9px; color: var(--ink); }
.related-article:hover { text-decoration: none; border-color: #9db8ea; }
.related-article>span { font-size: 10px; color: var(--brand); }
.related-article h3 { font-size: 14px; line-height: 1.8; margin: 10px 0; }
.related-article p { font-size: 11px; color: var(--muted); line-height: 1.9; }
.related-article>small { display: flex; justify-content: space-between; gap: 12px; font-size: 10px; color: #8b97aa; margin-top: 18px; }
@media(max-width:1000px) { .article-layout { grid-template-columns: minmax(0,1fr) 235px; gap: 20px; }.news-article { padding: 30px; }.article-side-card { padding: 20px; }.article-header h1 { font-size: 27px; } }
@media(max-width:760px) {
  .article-layout { grid-template-columns: minmax(0,1fr); gap: 25px; }.article-sidebar { position: static; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .article-page>.breadcrumb { margin-bottom: 16px; font-size: 10px; }.article-page>.breadcrumb [aria-current] { max-width: 53%; }
  .news-article { padding: 25px 21px 20px; }.article-header { padding-bottom: 20px; }.article-header h1 { font-size: 23px; line-height: 1.7; margin-bottom: 19px; }
  .article-meta { gap: 10px 14px; font-size: 10px; }.article-category { margin-bottom: 14px; }.article-summary { padding: 15px; margin: 21px 0; }.article-summary p { font-size: 13px; }
  .article-prose { font-size: 15px; line-height: 2; }.article-prose h2 { font-size: 19px; }.article-prose p { margin-bottom: 20px; }
  .article-neighbors { grid-template-columns: minmax(0,1fr); }.related-article-grid { grid-template-columns: minmax(0,1fr); }.related-reading { margin-top: 27px; }
}
@media(max-width:480px) { .article-sidebar { grid-template-columns: minmax(0,1fr); }.article-side-card { padding: 22px; } }

/* Model comparison: independent device data and traceable evidence. */
.model-hero { padding:36px; background:#fff; border:1px solid var(--line); border-radius:12px; }
.model-eyebrow { font-size:12px; color:var(--brand); letter-spacing:.08em; margin-bottom:14px; }
.model-hero h1 { font-size:28px; line-height:1.5; margin:0 0 12px; overflow-wrap:anywhere; }
.model-hero>p { color:var(--muted); font-size:14px; }
.model-badges { display:flex; flex-wrap:wrap; gap:10px 20px; color:#526079; font-size:12px; margin:20px 0; }
.model-pair { display:grid; grid-template-columns:minmax(0,1fr) 36px minmax(0,1fr); align-items:center; gap:16px; margin-top:26px; }
.model-pair>div { background:#f5f7fb; padding:20px; border-radius:8px; min-width:0; }
.model-pair small { display:block; color:var(--muted); margin-bottom:8px; }
.model-pair strong { display:block; font-size:23px; overflow-wrap:anywhere; }.model-pair>span { color:var(--brand); font-size:25px; text-align:center; }
.model-jump { display:flex; gap:24px; flex-wrap:wrap; padding:20px 4px; border-bottom:1px solid var(--line); margin-bottom:24px; font-size:13px; }
.model-summary { background:#edf3ff; border-left:3px solid var(--brand); padding:23px 27px; border-radius:0 8px 8px 0; margin-bottom:24px; }
.model-summary h2,.model-section h2 { margin:0 0 14px; font-size:20px; }.model-summary p { line-height:1.9; margin:8px 0; font-size:14px; }
.model-section { padding:28px; scroll-margin-top:85px; }.model-section-head { display:flex; align-items:center; justify-content:space-between; gap:20px; margin-bottom:20px; }.model-section-head p { margin:0; color:var(--muted); font-size:13px; }.model-section-head>a { flex-shrink:0; font-size:12px; }
.model-table-scroll { overflow-x:auto; max-width:100%; }.model-compare { width:100%; border-collapse:collapse; table-layout:fixed; font-size:13px; line-height:1.8; }.model-compare caption { text-align:left; font-size:12px; color:var(--muted); margin-bottom:12px; }.model-compare th,.model-compare td { padding:16px; border:1px solid var(--line); text-align:left; vertical-align:top; overflow-wrap:anywhere; }.model-compare thead th { background:#273141; color:#fff; font-weight:500; }.model-compare th:first-child { width:16%; }.model-compare tbody th { background:#f7f8fa; font-weight:500; }.model-diff,.model-missing { color:var(--muted); font-size:12px; }
.model-observation { padding:15px 0; border-bottom:1px solid var(--line); }.model-observation h3,.model-source-grid h3 { font-size:14px; margin:0 0 10px; }.model-observation p { white-space:normal; font-size:14px; line-height:1.9; margin:0; }.model-note { font-size:12px; line-height:1.9; color:var(--muted); margin:20px 0 0; }
.model-source-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px; }.model-source-grid>div { padding:20px; background:#f7f8fa; border-radius:8px; min-width:0; }.model-source-grid p { font-size:13px; }.model-source-grid ul { padding-left:18px; }.model-source-grid li { overflow-wrap:anywhere; margin-bottom:12px; font-size:13px; }.model-source-grid small { display:block; color:var(--muted); margin-top:5px; }
.model-diff a { display:inline-block; margin:8px 8px 0 0; font-size:11px; }.model-source-grid li[id] { scroll-margin-top:95px; }.model-source-grid li p { line-height:1.8; font-size:12px; color:var(--muted); }.model-source-grid details { font-size:12px; }.model-source-grid summary { cursor:pointer; color:var(--brand); }
.part-hub-links { display:flex; flex-wrap:wrap; gap:12px; margin:18px 0 0; }.part-profile { display:flex; justify-content:space-between; align-items:center; gap:25px; padding:30px; }.part-profile h2 { font-size:30px; margin:10px 0; overflow-wrap:anywhere; }.part-profile-meta { display:flex; gap:35px; }.part-profile-meta span { font-size:12px; color:var(--muted); }.part-profile-meta strong { display:block; color:var(--ink); font-size:18px; margin-top:8px; overflow-wrap:anywhere; }.part-alternatives { padding:12px 0 25px; }.part-candidate-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:18px; }.part-candidate { display:flex; flex-direction:column; padding:25px; background:#fff; border:1px solid var(--line); border-radius:10px; min-width:0; }.part-candidate h3 { font-size:22px; margin:20px 0 8px; overflow-wrap:anywhere; }.part-candidate h3 a { color:var(--ink); }.part-candidate>p { margin:0 0 16px; color:var(--muted); font-size:13px; }.part-candidate small { color:var(--muted); font-size:11px; }.part-candidate dl { font-size:12px; margin:0 0 18px; }.part-candidate dl>div { display:flex; justify-content:space-between; gap:18px; padding:10px 0; border-bottom:1px solid var(--line); }.part-candidate dt { color:var(--muted); }.part-candidate dd { margin:0; overflow-wrap:anywhere; text-align:right; }.part-candidate-description { line-height:1.8; }.part-candidate-actions { display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px; font-size:12px; margin-top:auto; padding-top:18px; }.part-source-list li { margin-bottom:14px; overflow-wrap:anywhere; }.part-source-list small { display:block; color:var(--muted); margin-top:5px; }
@media(max-width:760px) { .part-profile { display:block; padding:23px; }.part-profile-meta { margin-top:25px; gap:30px; }.part-candidate-grid { grid-template-columns:minmax(0,1fr); }.part-candidate { padding:22px; }.part-candidate h3 { font-size:21px; }.part-profile h2 { font-size:25px; } }
@media(max-width:760px) { .model-hero { padding:24px 20px; }.model-hero h1 { font-size:23px; }.model-pair { grid-template-columns:minmax(0,1fr); gap:10px; }.model-pair>span { transform:rotate(90deg); line-height:24px; }.model-pair strong { font-size:21px; }.model-pair>div { padding:17px; }.model-jump { gap:14px 20px; }.model-section { padding:22px 18px; }.model-section-head { display:block; }.model-section-head>a { display:inline-block; margin-top:12px; }.model-compare { min-width:660px; }.model-source-grid { grid-template-columns:minmax(0,1fr); }.model-summary { padding:20px; }.model-section h2 { font-size:18px; } }
/* Brand catalog and identity-aware browsing. */
.brand-overview { display:flex; align-items:center; justify-content:space-between; gap:30px; padding:30px; }.brand-overview>div { max-width:760px; }.brand-overview h2 { margin:12px 0; font-size:25px; }.brand-overview p { font-size:14px; line-height:1.9; color:var(--muted); margin:0; }.brand-overview>a { flex-shrink:0; }.brand-count-note { color:var(--muted); font-size:12px; line-height:1.8; margin:16px 0 25px; }.brand-relation-filters { display:flex; flex-wrap:wrap; gap:10px; border-top:1px solid var(--line); padding-top:20px; margin-top:22px; }.brand-model-directory { margin:30px 0; scroll-margin-top:90px; }.brand-model-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:15px; }.brand-model-card { padding:23px; border:1px solid var(--line); border-radius:10px; background:#fff; display:flex; flex-direction:column; min-width:0; }.brand-model-card small { font-size:11px; color:var(--muted); }.brand-model-card h3 { font-size:22px; margin:10px 0; overflow-wrap:anywhere; }.brand-model-card h3 a { color:var(--ink); }.brand-model-card p { font-size:12px; color:var(--muted); margin-bottom:18px; }.brand-model-meta { margin-top:auto; display:flex; flex-wrap:wrap; gap:9px 15px; font-size:12px; border-top:1px solid var(--line); padding-top:16px; color:var(--muted); }.brand-model-meta a { width:100%; margin-top:8px; }.brand-faq details { border-top:1px solid var(--line); padding:17px 0; }.brand-faq summary { cursor:pointer; font-size:14px; font-weight:600; }.brand-faq details p { color:var(--muted); font-size:13px; line-height:1.9; margin:14px 0 0; }
@media(max-width:760px) { .brand-overview { display:block; padding:23px; }.brand-overview h2 { font-size:21px; }.brand-overview>a { margin-top:20px; }.brand-model-grid { grid-template-columns:minmax(0,1fr); }.brand-model-card { padding:21px; }.brand-model-card h3 { font-size:20px; } }
.brand-more-categories { margin-top:16px; font-size:12px; }.brand-more-categories>summary { color:var(--brand); cursor:pointer; }.brand-more-categories>.chip-wrap { margin-top:15px; }
.model-coverage { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:15px; margin:-12px 0 24px; padding:0 0 0 4px; }.model-coverage>div { background:#fff; border:1px solid var(--line); border-radius:8px; padding:18px; }.model-coverage dt { font-size:11px; color:var(--muted); margin-bottom:10px; }.model-coverage dd { margin:0; font-size:13px; font-weight:600; overflow-wrap:anywhere; }.model-related-list { list-style:none; margin:20px 0; padding:0; }.model-related-list li { display:flex; justify-content:space-between; align-items:center; gap:20px; padding:17px 0; border-bottom:1px solid var(--line); }.model-related-list li>div { min-width:0; font-size:14px; overflow-wrap:anywhere; }.model-related-list small { display:block; margin-top:7px; color:var(--muted); font-size:11px; }.model-related-list li>a { flex-shrink:0; font-size:12px; max-width:35%; overflow-wrap:anywhere; }
@media(max-width:760px) { .model-coverage { grid-template-columns:minmax(0,1fr); gap:9px; }.model-coverage>div { display:flex; align-items:center; justify-content:space-between; gap:15px; padding:15px; }.model-coverage dt { margin:0; }.model-related-list li { display:block; }.model-related-list li>a { display:inline-block; margin-top:12px; max-width:100%; } }
.brand-recommendations{background:#f3f6fa;border:1px solid #d6e2f0;border-left:3px solid #2673db;border-radius:8px;padding:16px;margin:14px 0;color:#263449;overflow-wrap:anywhere}.brand-recommendations ul{list-style:none;margin:10px 0 0;padding:0;max-height:420px;overflow:auto}.brand-recommendations li+li{border-top:1px solid #dce4ed;margin-top:10px;padding-top:10px}.brand-recommendations small{display:block;color:#617084;margin-top:5px;line-height:1.6}.brand-recommendations summary{cursor:pointer;margin-top:8px}.brand-model-grid>.brand-recommendations{margin-top:0}.rule-actions{display:flex;gap:8px;flex-wrap:wrap}.rule-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}.rule-form label{display:block;margin-bottom:6px}.rule-form .input{width:100%}
.brand-model-entry>.brand-model-card{height:auto}.brand-model-entry>.brand-recommendations{margin-top:8px;margin-bottom:0}
.rule-actions .input{max-width:100%;min-width:0}