/* LAK v2 · 全站统一层（叠加在 board.css 之上）：排版、移动端导航、K 线、文档页 */
:root{--font:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;--maxw:1200px}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);font-feature-settings:"ss01","cv11";-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap.narrow{max-width:var(--maxw)}
/* 顶栏 */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);background:rgba(7,8,12,.72);border-bottom:1px solid var(--border)}
.brand img{width:32px;height:32px;border-radius:9px;border:1px solid rgba(160,170,255,.18);background:#0b0a12;box-shadow:0 0 0 1px rgba(0,0,0,.4),0 4px 14px rgba(110,120,255,.18)}
.nav-toggle{display:none;background:transparent;border:1px solid var(--border);color:var(--text);border-radius:8px;width:38px;height:36px;font-size:18px;cursor:pointer}
.lang-link{font-size:12px;color:var(--muted);border:1px solid var(--border);padding:6px 10px;border-radius:8px}
.lang-link:hover{color:var(--text)}
@media(max-width:900px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .topbar-inner{flex-wrap:wrap}
  .topbar .nav{display:none;order:9;width:100%;flex-direction:column;gap:2px;margin:8px 0 4px}
  .topbar.open .nav{display:flex}
  .topbar .nav a{padding:11px 12px;font-size:15px}
  .topbar .status-chip{display:none}
}
/* 入场动效（尊重减少动态） */
.reveal{opacity:0;transform:translateY(10px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
/* 通用页脚 */
.site-footer{margin-top:64px;border-top:1px solid var(--border);padding:32px 0 8px;color:var(--muted);font-size:13px}
.site-footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
@media(max-width:760px){.site-footer .cols{grid-template-columns:1fr 1fr}}
.site-footer h4{color:var(--text);font-size:13px;font-weight:500;margin:0 0 10px}
.site-footer ul{list-style:none;margin:0;padding:0}.site-footer li{margin:7px 0}
.site-footer a:hover{color:var(--text)}
.site-footer .legal{margin-top:22px;padding-top:16px;border-top:1px solid var(--border);color:var(--dim);font-size:12px;line-height:1.7}
/* 文档页（白皮书 / 审查报告等）统一到新设计 */
main.doc{max-width:860px;margin:0 auto;padding:40px 26px 40px;position:relative;z-index:2;line-height:1.85;font-size:15px}
main.doc h1{font-size:34px;letter-spacing:-.02em;line-height:1.2}
main.doc h2{font-size:22px;margin-top:2.2em;letter-spacing:-.01em}
main.doc h3{font-size:17px;margin-top:1.6em}
main.doc table{width:100%;border-collapse:collapse;font-size:13.5px;display:block;overflow-x:auto}
main.doc th,main.doc td{border-bottom:1px solid var(--border);padding:9px 10px;text-align:left;vertical-align:top}
main.doc pre{overflow-x:auto;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:10px;padding:14px;font-size:12.5px}
main.doc code{font-family:var(--mono)}
.page-main{position:relative;z-index:2}
/* ========== OKX 风格 K 线 ========== */
.tk-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:14px 28px;margin:26px 0 16px}
.tk-name{display:flex;align-items:center;gap:12px}
.tk-name img{width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:#0d1018}
.tk-name b{font-size:20px;font-weight:600}.tk-name small{display:block;color:var(--dim);font-size:12px;font-family:var(--mono)}
.tk-price{font-size:30px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.tk-chg{font-size:14px;font-variant-numeric:tabular-nums;margin-left:8px}
.tk-stats{display:flex;flex-wrap:wrap;gap:6px 26px;font-size:12px;color:var(--dim)}
.tk-stats b{display:block;color:var(--text);font-size:14px;font-weight:500;font-variant-numeric:tabular-nums;margin-top:2px}
.up{color:var(--k-up,var(--up))}.down{color:var(--k-down,var(--down))}
.kl-card{padding:0;overflow:hidden}
.kl-bar{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--border)}
.kl-tfs{display:flex;flex-wrap:wrap;gap:2px}
.kl-tfs button,.kl-tog button{background:transparent;border:0;color:var(--muted);font:500 12.5px var(--font);padding:6px 10px;border-radius:6px;cursor:pointer}
.kl-tfs button:hover,.kl-tog button:hover{color:var(--text);background:rgba(255,255,255,.04)}
.kl-tfs button.active,.kl-tog button.active{color:var(--text);background:rgba(255,255,255,.08)}
.kl-tog{display:flex;gap:2px;flex-wrap:wrap}
.kl-legend{position:absolute;left:12px;top:8px;z-index:3;font:12px var(--mono);color:var(--muted);pointer-events:none;display:flex;flex-wrap:wrap;gap:2px 12px;max-width:calc(100% - 90px)}
.kl-legend span b{font-weight:400;color:var(--text)}
.kl-ma{position:absolute;left:12px;top:28px;z-index:3;font:11.5px var(--mono);display:flex;gap:10px;pointer-events:none}
.kl-box{position:relative;height:460px}
@media(max-width:640px){.kl-box{height:360px}.tk-price{font-size:24px}}
.kl-note{padding:8px 14px;font-size:11.5px;color:var(--dim);border-top:1px solid var(--border);display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px}
.kl-empty{position:absolute;inset:0;display:none;align-items:center;justify-content:center;color:var(--muted);font-size:13px;z-index:4;text-align:center;padding:20px}
.pool-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:16px;margin-top:16px}
@media(max-width:1000px){.pool-grid{grid-template-columns:1fr}}
.trades td,.trades th{font-size:12.5px;white-space:nowrap}
.trades td.r,.trades th.r{text-align:right}
/* 移动端溢出修正 */
.banner{flex-wrap:wrap;overflow-wrap:anywhere}
.banner b{white-space:normal}
.doc table,main table{display:block;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.doc pre{max-width:100%;overflow-x:auto}
.doc td code,.doc li code,.doc p code{word-break:break-all}
/* 表单统一（首页 / 英文页的无 type 输入框） */
input:not([type]),input[type="email"],input[type="tel"]{background:rgba(255,255,255,.035);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;color:var(--text);outline:none;transition:border-color .3s var(--ease),background .3s var(--ease);min-width:0}
input:not([type]):focus{border-color:var(--border-strong);background:rgba(255,255,255,.05)}
input::placeholder{color:var(--dim)}
.grid-2{display:grid;gap:16px}
.status-chip{white-space:nowrap}
.banner{display:block;line-height:1.8}
@media(max-width:640px){
  .m-hero h1{font-size:34px}
  .brand-sub{display:none}
  .topbar-right{gap:6px}
  .topbar .btn{padding:8px 11px;font-size:12.5px}
  .kl-ma{top:48px}
  .kl-legend{font-size:11px;max-width:calc(100% - 70px)}
}