/* oebuylink 全站样式 v2（商品导购版，浅色主题） */
:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #1a1d26;
  --muted: #5c6472;
  --line: #e6e9ef;
  --accent: #1677ff;
  --accent-soft: #eef4ff;
  --radius: 12px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.7; font-size: 15px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* ---------- 头部导航 ---------- */
.site-hdr { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.hdr-in { display: flex; align-items: center; gap: 20px; height: 58px; }
.logo { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; color: var(--text); }
.logo:hover { text-decoration: none; }
.logo-mark { display: block; flex: none; }
.logo-name { font-size: 16px; font-weight: 700; letter-spacing: .02em; white-space: nowrap; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }
.nav a {
  color: var(--muted); font-size: 13.5px; padding: 6px 10px; border-radius: 8px;
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
}
.nav a:hover { color: var(--text); background: var(--bg); text-decoration: none; }
.nav a.cur { color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.nav a.store { color: var(--text); font-weight: 600; }
.nav a.store:hover { color: var(--accent); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: none; }
.lang-switch { border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; font-size: 12.5px; color: var(--muted); background: #fff; white-space: nowrap; }
.lang-switch:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* ---------- Hero ---------- */
.hero { padding: 56px 0 40px; }
.hero .badge {
  display: inline-flex; align-items: center; gap: 8px; background: var(--accent-soft); color: var(--accent);
  font-size: 13px; font-weight: 600; padding: 5px 14px; border-radius: 999px; margin-bottom: 16px;
}
.hero h1 { font-size: 33px; line-height: 1.32; font-weight: 700; max-width: 780px; }
.hero .sub { color: var(--muted); font-size: 16px; margin: 14px 0 24px; max-width: 760px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px; border-radius: 10px;
  font-size: 14.5px; font-weight: 600; border: 1px solid transparent; cursor: pointer; transition: all .15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); text-decoration: none; }
.btn-ghost { background: #fff; border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* ---------- 区块 ---------- */
section { padding: 38px 0; }
.sec-head { margin-bottom: 20px; display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.sec-head .kick { color: var(--accent); font-size: 12.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.sec-head h2 { font-size: 23px; font-weight: 700; margin-top: 4px; }
.sec-head .more { font-size: 13.5px; font-weight: 600; white-space: nowrap; }
.lead { color: var(--muted); max-width: 880px; }
.lead p + p { margin-top: 10px; }

/* ---------- 商品卡 ---------- */
.pgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.pcard {
  display: flex; flex-direction: column; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; color: var(--text);
  transition: border-color .15s, transform .15s;
}
.pcard:hover { border-color: var(--accent); text-decoration: none; transform: translateY(-2px); }
.pcard .pimg { display: block; width: 100%; aspect-ratio: 1/1; background: #f0f2f5; overflow: hidden; }
.pcard .pimg img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pcard .pbody { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.pcard .pname { font-size: 13.5px; font-weight: 600; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pcard .pname-zh { font-size: 12px; color: #98a0ae; line-height: 1.4; }
.pcard .pmeta { margin-top: auto; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ptag {
  font-size: 11.5px; font-weight: 600; color: var(--accent); background: var(--accent-soft);
  padding: 2px 8px; border-radius: 6px; letter-spacing: .02em;
}
.psold { font-size: 11.5px; color: #98a0ae; }

/* ---------- 分类 chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.cchip {
  display: inline-flex; align-items: center; gap: 8px; background: var(--surface);
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font-size: 13.5px;
  font-weight: 600; color: var(--text);
}
.cchip:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.cchip b { color: #98a0ae; font-weight: 600; font-size: 12px; }

/* ---------- 平台卡（Hub 用） ---------- */
.plat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.plat-card {
  display: flex; flex-direction: column; gap: 6px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; color: var(--text);
  transition: border-color .15s;
}
.plat-card:hover { border-color: var(--accent); text-decoration: none; }
.plat-card .pn { font-weight: 700; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.plat-card .pf { color: var(--accent); font-size: 13px; font-weight: 600; }
.plat-card .pd { color: var(--muted); font-size: 13px; }
.plat-card .pc { color: #98a0ae; font-size: 12px; margin-top: 2px; }

/* ---------- 步骤 ---------- */
.steps { display: grid; gap: 12px; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px 16px 66px; position: relative; counter-increment: step; }
.steps { counter-reset: step; }
.step::before {
  content: counter(step); position: absolute; left: 20px; top: 17px; width: 30px; height: 30px;
  border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; font-size: 14.5px;
  display: flex; align-items: center; justify-content: center;
}
.step h3 { font-size: 15px; font-weight: 650; margin-bottom: 2px; }
.step p { color: var(--muted); font-size: 13.5px; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 10px; }
details.faq { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; }
details.faq summary {
  cursor: pointer; font-weight: 650; font-size: 14.5px; list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--accent); font-size: 18px; font-weight: 400; flex: none; }
details.faq[open] summary::after { content: "\2212"; }
details.faq .ans { color: var(--muted); font-size: 13.5px; margin-top: 10px; }
details.faq .ans a { font-weight: 500; }

/* ---------- 相关平台 ---------- */
.rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.rel-card {
  display: flex; flex-direction: column; gap: 4px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; color: var(--text);
}
.rel-card:hover { border-color: var(--accent); text-decoration: none; }
.rel-card .rn { font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.rel-card .rd { color: var(--muted); font-size: 12.5px; }
.rel-card.store { border-style: dashed; }
.rel-card.store .rn { color: var(--accent); }

/* ---------- 面包屑 ---------- */
.crumb { font-size: 12.5px; color: var(--muted); padding: 14px 0 0; }
.crumb a { color: var(--muted); }
.crumb span { margin: 0 6px; color: #c3c9d4; }

/* ---------- 页脚 ---------- */
footer.site-ft { border-top: 1px solid var(--line); background: var(--surface); margin-top: 30px; padding: 34px 0 26px; }
.ft-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; }
.ft-grid h4 { font-size: 13px; font-weight: 700; margin-bottom: 10px; }
.ft-grid ul { list-style: none; }
.ft-grid li { margin-bottom: 6px; }
.ft-grid a, .ft-grid span { font-size: 13px; color: var(--muted); }
.ft-grid a:hover { color: var(--accent); }
.ft-note { border-top: 1px solid var(--line); margin-top: 22px; padding-top: 16px; font-size: 12px; color: #98a0ae; }
.ft-note p + p { margin-top: 4px; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .pgrid { grid-template-columns: repeat(3, 1fr); }
  .plat-grid, .rel-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .hero { padding: 36px 0 28px; }
  .hero h1 { font-size: 25px; }
  .hdr-in { height: auto; flex-wrap: wrap; padding: 10px 0; gap: 10px; }
  .nav { margin-left: 0; width: 100%; }
  .pgrid { grid-template-columns: repeat(2, 1fr); }
  .plat-grid, .rel-grid { grid-template-columns: 1fr; }
  .ft-grid { grid-template-columns: 1fr; gap: 16px; }
}