/* 出海知识库 — 文章页样式（复用 v2.css 的变量与导航/页脚，只补文章排版） */

.nav--solid{
  background:rgba(10,32,38,.9);
  border-bottom-color:var(--line);
  backdrop-filter:saturate(140%) blur(14px);
}

.art-head{padding:150px 0 10px;position:relative}
.art-head .wrap{max-width:900px}
.crumb{display:flex;align-items:center;gap:10px;font-size:.74rem;letter-spacing:.14em;color:var(--ink-3);margin-bottom:28px}
.crumb a{color:var(--ink-3);border-bottom:1px solid transparent;transition:.25s}
.crumb a:hover{color:var(--accent);border-color:var(--accent)}
.crumb i{width:14px;height:1px;background:var(--line-2);display:block}
.art-kicker{display:flex;align-items:center;gap:12px;font-size:.72rem;letter-spacing:.26em;color:var(--accent);margin-bottom:20px}
.art-kicker::after{content:"";flex:1;height:1px;background:var(--line-2);max-width:120px}
.art-head h1{font-size:clamp(1.9rem,3.6vw,3.05rem);line-height:1.28;letter-spacing:-.02em;margin:0 0 22px}
.art-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:.76rem;color:var(--ink-3);letter-spacing:.08em;padding-bottom:26px;border-bottom:1px solid var(--line-2)}
.art-lede{font-size:1.02rem;line-height:2;color:var(--ink-2);margin:26px 0 0;max-width:760px}

.toc{margin:44px 0 0;border:1px solid var(--line-2);padding:22px 26px;background:rgba(15,48,56,.35)}
.toc b{display:block;font-family:var(--sans);font-size:.66rem;letter-spacing:.26em;color:var(--ink-3);font-weight:500;margin-bottom:14px}
.toc ol{margin:0;padding-left:18px;color:var(--ink-2);font-size:.9rem;line-height:2}
.toc a{border-bottom:1px solid transparent}
.toc a:hover{color:var(--accent);border-color:var(--accent)}

.art-body{padding:56px 0 20px}
.art-body .wrap{max-width:860px}
.art-body h2{font-size:clamp(1.3rem,2.2vw,1.72rem);line-height:1.4;margin:56px 0 18px;padding-left:16px;border-left:2px solid var(--accent)}
.art-body h2:first-child{margin-top:0}
.art-body h3{font-size:1.06rem;margin:32px 0 10px;color:var(--ink)}
.art-body p{font-size:.97rem;line-height:2.05;color:var(--ink-2);margin:0 0 16px}
.art-body ul,.art-body ol{color:var(--ink-2);font-size:.97rem;line-height:2;margin:0 0 18px;padding-left:22px}
.art-body li{margin-bottom:8px}
.art-body li b,.art-body p b{color:var(--ink)}
.art-body a{color:var(--accent);border-bottom:1px solid rgba(212,96,47,.35)}
.art-body a:hover{border-color:var(--accent)}
.art-body strong{color:var(--ink);font-weight:600}

.table-wrap{overflow-x:auto;margin:0 0 22px;border:1px solid var(--line-2)}
.art-body table{width:100%;border-collapse:collapse;font-size:.88rem;min-width:520px}
.art-body th,.art-body td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line-2);vertical-align:top;line-height:1.75}
.art-body th{font-family:var(--sans);font-size:.72rem;letter-spacing:.12em;color:var(--ink-3);font-weight:500;background:rgba(15,48,56,.5);white-space:nowrap}
.art-body td{color:var(--ink-2)}
.art-body tr:last-child td{border-bottom:0}
.art-body td:first-child{color:var(--ink);white-space:nowrap}

.note{border-left:2px solid var(--copper);background:rgba(216,168,105,.06);padding:18px 22px;margin:24px 0;font-size:.9rem;line-height:1.95;color:var(--ink-2)}
.note b{color:var(--copper)}

.art-foot{margin:52px 0 0;padding-top:26px;border-top:1px solid var(--line-2);font-size:.82rem;color:var(--ink-3);line-height:1.9}

.cta-band{padding:0 0 clamp(70px,9vh,110px)}
.cta-band .wrap{max-width:860px}
.cta-box{border:1px solid var(--line-2);padding:clamp(28px,4vw,44px);background:linear-gradient(135deg,rgba(212,96,47,.10),rgba(15,48,56,.5));display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta-box h2{font-size:clamp(1.25rem,2.2vw,1.6rem);margin:0 0 10px;line-height:1.4}
.cta-box p{margin:0;color:var(--ink-2);font-size:.9rem;line-height:1.9;max-width:520px}
.cta-box .btn{flex:none}

/* 知识库首页 */
.hub-head{padding:158px 0 20px}
.hub-head .wrap{max-width:900px}
.hub-head h1{font-size:clamp(2rem,3.8vw,3.1rem);line-height:1.25;margin:0 0 20px;letter-spacing:-.02em}
.hub-head p{color:var(--ink-2);font-size:1rem;line-height:2;max-width:680px}
.hub{padding:50px 0 clamp(70px,9vh,110px)}
.hub-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.hub-card{display:flex;flex-direction:column;gap:14px;border:1px solid var(--line-2);padding:clamp(24px,3vw,36px);background:rgba(15,48,56,.32);position:relative;transition:background .3s,border-color .3s}
.hub-card:hover{background:rgba(15,48,56,.6);border-color:rgba(212,96,47,.45)}
.hub-card .tag{font-family:var(--sans);font-size:.66rem;letter-spacing:.24em;color:var(--accent)}
.hub-card h2{font-size:1.2rem;line-height:1.5;margin:0}
.hub-card p{color:var(--ink-2);font-size:.9rem;line-height:1.9;margin:0}
.hub-card .more{margin-top:auto;font-size:.8rem;letter-spacing:.1em;color:var(--ink)}
.hub-card .more::after{content:" →"}

@media (max-width:1000px){
  .art-head{padding-top:118px}
  .hub-head{padding-top:124px}
}
@media (max-width:720px){
  .hub-grid{grid-template-columns:1fr}
  .art-body h2{margin-top:42px}
  .art-head h1{font-size:clamp(1.7rem,7vw,2.2rem)}
  .cta-box{flex-direction:column;align-items:flex-start}
}