:root{
  --bg:#0b0f17;--bg2:#101623;--card:#151c2b;--card2:#1b2435;--line:#26314a;
  --text:#e8eef9;--muted:#8b9ab3;--dim:#5f6d86;
  --up:#0ecb81;--down:#f6465d;--accent:#4c8dff;--accent2:#f0b90b;
  --radius:12px;--shadow:0 8px 28px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(1200px 600px at 80% -10%,rgba(76,141,255,.10),transparent),var(--bg);color:var(--text);font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.3}
p{margin:0 0 12px}
button,input,select,textarea{font:inherit;color:inherit}
.container{width:min(1240px,calc(100% - 32px));margin:0 auto}
.mono{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.dim{color:var(--dim)}
.up{color:var(--up)!important}.down{color:var(--down)!important}.flat{color:var(--muted)!important}
.strong{font-weight:700}
.num{text-align:right}
.hide-sm{display:table-cell}
.tag{display:inline-block;padding:2px 10px;border:1px solid var(--line);border-radius:20px;font-size:12px;color:var(--muted)}
.tag.up{background:rgba(14,203,129,.1);border-color:rgba(14,203,129,.3)}
.tag.down{background:rgba(246,70,93,.1);border-color:rgba(246,70,93,.3)}
.tag.warn{background:rgba(240,185,11,.1);border-color:rgba(240,185,11,.3);color:var(--accent2)}

/* header */
.top-strip{background:linear-gradient(90deg,rgba(76,141,255,.16),rgba(240,185,11,.07) 50%,rgba(76,141,255,.16));border-bottom:1px solid var(--line);font-size:12px;color:var(--muted);text-align:center;padding:7px 12px;letter-spacing:.3px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,15,23,.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(38,49,74,.85)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(76,141,255,.55) 30%,rgba(240,185,11,.3) 70%,transparent)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;flex:none}
.brand:hover{color:var(--text)}
.brand .logo-mark{height:34px;width:auto;display:block;filter:drop-shadow(0 2px 10px rgba(76,141,255,.35))}
.main-nav{display:flex;gap:2px;flex:1;justify-content:center;overflow-x:auto;scrollbar-width:none}
.main-nav::-webkit-scrollbar{display:none}
.main-nav a{padding:8px 13px;border-radius:8px;color:var(--muted);font-weight:500;font-size:13.5px;white-space:nowrap;transition:.15s}
.main-nav a:hover{background:var(--card2);color:var(--text)}
.main-nav a.active{color:#fff;background:rgba(76,141,255,.16);box-shadow:inset 0 0 0 1px rgba(76,141,255,.25)}
.nav-right{display:flex;align-items:center;gap:12px;white-space:nowrap;flex:none}
.lang-switch{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden;font-size:12px;background:var(--bg2)}
.lang-switch span{display:none}
.lang-switch a{padding:4px 10px;color:var(--muted);transition:.15s}
.lang-switch a:hover{color:var(--text)}
.lang-switch a.on{background:rgba(76,141,255,.16);color:var(--accent);font-weight:700}
.user-menu{position:relative}
.user-menu summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;padding:4px 10px 4px 4px;border:1px solid var(--line);border-radius:20px;background:var(--bg2);transition:.15s}
.user-menu summary:hover{border-color:rgba(76,141,255,.45)}
.user-menu summary::-webkit-details-marker{display:none}
.avatar{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,#4c8dff,#6f6bff);color:#fff;font-weight:700;text-transform:uppercase;font-size:12px}
.u-email{max-width:130px;overflow:hidden;text-overflow:ellipsis;font-size:12px;color:var(--muted)}
.caret{color:var(--dim);font-size:10px}
.dropdown{position:absolute;right:0;top:calc(100% + 8px);min-width:180px;background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:6px}
.dropdown a,.dropdown button{display:block;width:100%;text-align:left;background:none;border:0;padding:9px 12px;border-radius:7px;color:var(--text);cursor:pointer}
.dropdown a:hover,.dropdown button:hover{background:var(--card2)}
.nav-auth{display:flex;align-items:center;gap:8px}

/* buttons & forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:9px;padding:10px 18px;font-weight:600;cursor:pointer;background:var(--card2);color:var(--text);transition:.16s;white-space:nowrap}
.btn:hover{filter:brightness(1.15);color:var(--text)}
.btn-primary{background:linear-gradient(135deg,#4c8dff,#6f6bff);color:#fff;box-shadow:0 4px 16px rgba(76,141,255,.22)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--muted)}
.btn-ghost{background:transparent;color:var(--muted)}
.btn-danger{background:rgba(246,70,93,.14);border-color:rgba(246,70,93,.35);color:var(--down)}
.btn-buy{background:var(--up);color:#04150d}
.btn-sell{background:var(--down);color:#fff}
.btn-sm{padding:7px 12px;font-size:12px}.btn-xs{padding:5px 10px;font-size:11px}.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
label{display:block;font-size:12px;color:var(--muted);margin:0 0 6px}
.field{margin-bottom:16px}
.input,select,textarea{width:100%;background:var(--bg2);border:1px solid var(--line);border-radius:9px;padding:10px 12px;outline:none;transition:.15s}
.input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(76,141,255,.12)}
textarea{resize:vertical;min-height:90px;line-height:1.6}
.check{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--muted);margin:6px 0 14px}
.check input{margin-top:4px;accent-color:var(--accent)}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0 14px}
.inline-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* layout */
.page{min-height:calc(100vh - 250px);padding:32px 0 56px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.page-head h1{font-size:26px;margin:0 0 4px}
.page-head p{color:var(--muted);margin:0;font-size:13px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:20px;box-shadow:var(--shadow)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.card-head h2,.card-head h3{font-size:17px;margin:0}
.card-head .muted{font-size:12px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.empty-state{text-align:center;padding:40px 20px;color:var(--muted)}
.divider{height:1px;background:var(--line);margin:18px 0}
.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--accent)}

/* tables */
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th{color:var(--dim);font-weight:500;text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap;font-size:12px}
.table td{padding:12px;border-bottom:1px solid rgba(38,49,74,.55);vertical-align:middle}
.table tbody tr:hover{background:rgba(76,141,255,.045)}
.table th.num,.table td.num{text-align:right}
.table tbody tr:last-child td{border-bottom:0}
.pair-cell{display:inline-flex;align-items:center;gap:7px}
.pair-cell b{font-size:14px}
.coin-icon{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,#2a3b5c,#3d4d72);font-weight:700;font-size:11px;color:#dce7ff}
.ticker-table tbody tr{cursor:pointer}
.spark{width:100%;height:44px;display:block}

/* hero */
.hero{position:relative;padding:52px 0 26px;text-align:center}
.hero-badge{display:inline-block;border:1px solid rgba(76,141,255,.35);background:rgba(76,141,255,.09);color:#9ec0ff;border-radius:30px;padding:6px 16px;font-size:12px;margin-bottom:22px}
.hero h1{font-size:clamp(30px,5vw,52px);font-weight:800;letter-spacing:-1px;background:linear-gradient(100deg,#fff 20%,#8fb6ff 70%,#c4a8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:660px;margin:0 auto 26px;color:var(--muted);font-size:16px}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:32px 0}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.stat .label{font-size:12px;color:var(--muted)}
.stat .value{font-size:20px;font-weight:700;margin-top:4px}
.feature{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.feature .ico{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;background:rgba(76,141,255,.14);color:#8fb6ff;font-size:20px;margin-bottom:14px}
.feature h3{font-size:16px}.feature p{color:var(--muted);font-size:13px;margin:0}
.notice-bar{border:1px dashed rgba(240,185,11,.45);background:rgba(240,185,11,.06);color:#e9cd7a;border-radius:10px;padding:12px 16px;font-size:13px;margin-bottom:20px}
.ann-list{display:grid;gap:12px}
.ann-item{display:flex;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.ann-item:last-child{border-bottom:0}
.ann-item a{font-weight:600}
.ann-item p{color:var(--muted);font-size:12px;margin:4px 0 0}

/* toast */
.toast{position:fixed;top:78px;right:20px;z-index:100;padding:12px 18px;border-radius:10px;box-shadow:var(--shadow);font-size:13px;animation:slidein .25s ease}
.toast.ok{background:rgba(14,203,129,.16);border:1px solid rgba(14,203,129,.45);color:#8df0c4}
.toast.err{background:rgba(246,70,93,.16);border:1px solid rgba(246,70,93,.45);color:#ffb3be}
@keyframes slidein{from{transform:translateX(20px);opacity:0}to{transform:none;opacity:1}}

/* auth */
.auth-wrap{max-width:460px;margin:24px auto}
.auth-card{padding:30px}
.auth-card h1{font-size:24px}
.info-box{background:rgba(76,141,255,.08);border:1px solid rgba(76,141,255,.28);border-radius:9px;padding:12px;font-size:12px;color:#9ec0ff;margin-top:16px;text-align:center}
.info-box code{color:var(--text);user-select:all}
.auth-logo{text-align:center;margin-bottom:16px}
.auth-logo .logo-mark{height:48px;width:auto;display:inline-block;filter:drop-shadow(0 4px 16px rgba(76,141,255,.4))}
.auth-logo + h1,.auth-logo + h1 + p{text-align:center}

/* content pages */
.content-layout{display:grid;grid-template-columns:220px 1fr;gap:24px}
.side-nav{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:10px;height:max-content;position:sticky;top:88px}
.side-nav a{display:block;padding:9px 12px;border-radius:8px;color:var(--muted);font-size:13px}
.side-nav a:hover{background:var(--card2);color:var(--text)}
.side-nav a.active{background:rgba(76,141,255,.14);color:#9ec0ff}
.article{max-width:820px;line-height:1.9;color:#cbd6e8;white-space:normal}
.article h1{font-size:24px;margin-bottom:6px}
.article .meta{color:var(--dim);font-size:12px;margin-bottom:22px}
.article-body{border-top:1px solid var(--line);padding-top:20px}
.faq-group{margin-bottom:24px}
.faq-group h3{font-size:15px;color:#9ec0ff;margin-bottom:10px}
details.faq{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:8px}
details.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;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;line-height:1}
details.faq[open] summary::after{content:"−"}
details.faq p{color:var(--muted);margin:12px 0 0;font-size:13px;line-height:1.8}

/* trade */
.trade-layout{display:grid;grid-template-columns:210px minmax(0,1fr) 270px;gap:14px;align-items:start}
.trade-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.panel-title{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line);font-size:13px;font-weight:600}
.symbol-list{max-height:640px;overflow:auto}
.symbol-list a{display:flex;justify-content:space-between;gap:8px;padding:9px 14px;border-bottom:1px solid rgba(38,49,74,.4);font-size:12px}
.symbol-list a:hover{background:var(--card2)}
.symbol-list a.active{background:rgba(76,141,255,.14);border-left:2px solid var(--accent)}
.symbol-list .sym-name{font-weight:700}
.ticker-head{display:flex;align-items:center;gap:20px;padding:14px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.ticker-head .last{font-size:24px;font-weight:800}
.ticker-head .kv{font-size:11px;color:var(--muted)}
.ticker-head .kv b{display:block;color:var(--text);font-size:13px;font-weight:600}
.chart-toolbar{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line)}
.chart-toolbar button{background:transparent;border:0;color:var(--muted);padding:4px 9px;border-radius:6px;cursor:pointer;font-size:12px}
.chart-toolbar button:hover{background:var(--card2);color:var(--text)}
.chart-toolbar button.active{background:rgba(76,141,255,.18);color:#9ec0ff}
#chartCanvas{width:100%;height:360px;display:block;cursor:crosshair}
.chart-legend{display:flex;gap:14px;padding:6px 14px 12px;font-size:11px;color:var(--muted)}
.chart-legend i{display:inline-block;width:12px;height:2px;vertical-align:middle;margin-right:4px}
.order-book{padding:8px 12px 14px;font-size:12px}
.ob-head,.ob-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:4px;text-align:right;padding:3px 0}
.ob-head{color:var(--dim);border-bottom:1px solid var(--line);margin-bottom:6px;font-size:11px}
.ob-head span:first-child,.ob-row span:first-child{text-align:left}
.ob-row{position:relative;font-family:"SFMono-Regular",Consolas,monospace}
.ob-bar{position:absolute;top:0;bottom:0;right:0;opacity:.13;pointer-events:none}
.ob-asks .ob-bar{background:var(--down)}.ob-bids .ob-bar{background:var(--up)}
.ob-mid{padding:8px 0;margin:6px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:16px;font-weight:700}
.order-form{padding:16px}
.tab-row{display:flex;gap:4px;background:var(--bg2);border-radius:8px;padding:4px;margin-bottom:14px}
.tab-row button{flex:1;background:transparent;border:0;color:var(--muted);padding:7px;border-radius:6px;cursor:pointer;font-size:12px;font-weight:600}
.tab-row button.active{background:var(--card2);color:var(--text)}
.tab-row button.buy.active{background:rgba(14,203,129,.18);color:var(--up)}
.tab-row button.sell.active{background:rgba(246,70,93,.18);color:var(--down)}
.type-row{display:flex;gap:14px;margin-bottom:14px;font-size:12px;color:var(--muted)}
.type-row label{display:flex;align-items:center;gap:5px;margin:0;cursor:pointer}
.type-row input{accent-color:var(--accent)}
.qty-presets{display:flex;gap:6px;margin:8px 0 14px}
.qty-presets button{flex:1;background:var(--bg2);border:1px solid var(--line);border-radius:6px;color:var(--muted);font-size:11px;padding:5px;cursor:pointer}
.qty-presets button:hover{border-color:var(--accent);color:var(--text)}
.form-summary{background:var(--bg2);border-radius:8px;padding:10px 12px;font-size:12px;margin-bottom:14px;display:grid;gap:5px}
.form-summary div{display:flex;justify-content:space-between;color:var(--muted)}
.form-summary b{color:var(--text)}
.balance-line{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:12px}
.book-tabs{display:flex;gap:16px;padding:0 14px;border-bottom:1px solid var(--line);font-size:12px}
.book-tabs button{background:none;border:0;padding:10px 0;color:var(--muted);cursor:pointer}
.book-tabs button.active{color:var(--text);border-bottom:2px solid var(--accent)}

/* wallet */
.wallet-hero{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;background:linear-gradient(120deg,rgba(76,141,255,.16),var(--card));border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:20px}
.wallet-hero .big{font-size:32px;font-weight:800}
.quick-actions{display:flex;gap:10px;flex-wrap:wrap}
.subnav{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:20px;overflow-x:auto}
.subnav a{padding:10px 14px;color:var(--muted);font-size:13px;white-space:nowrap;border-bottom:2px solid transparent}
.subnav a:hover{color:var(--text)}
.subnav a.active{color:#9ec0ff;border-bottom-color:var(--accent)}
.addr-box{background:var(--bg2);border:1px dashed var(--line);border-radius:10px;padding:16px;word-break:break-all;font-family:monospace;display:flex;justify-content:space-between;gap:12px;align-items:center}
.balance-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}

/* admin */
.admin-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:20px;align-items:start}
.admin-side{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px;position:sticky;top:88px}
.admin-side-title{font-weight:700;font-size:13px;padding:8px 10px 12px;color:var(--muted)}
.admin-side a{display:block;padding:9px 12px;border-radius:8px;color:var(--muted);font-size:13px;margin-bottom:2px}
.admin-side a:hover{background:var(--card2);color:var(--text)}
.admin-side a.active{background:rgba(76,141,255,.15);color:#9ec0ff}
.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:20px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.stat-card .label{color:var(--muted);font-size:12px}
.stat-card .value{font-size:26px;font-weight:800;margin-top:6px}
.stat-card .value.accent{color:#9ec0ff}.stat-card .value.warn{color:var(--accent2)}
.admin-tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.admin-tabs a{padding:7px 14px;border-radius:8px;background:var(--card);border:1px solid var(--line);color:var(--muted);font-size:12px}
.admin-tabs a.active{background:rgba(76,141,255,.16);border-color:rgba(76,141,255,.4);color:#9ec0ff}
.compact-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;align-items:end}
.compact-form .field{margin:0}
.compact-form label{font-size:11px}
.status-pill{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;border:1px solid var(--line);color:var(--muted)}
.status-pill.pending,.status-pill.partial{color:var(--accent2);border-color:rgba(240,185,11,.35)}
.status-pill.approved,.status-pill.filled,.status-pill.active,.status-pill.enabled{color:var(--up);border-color:rgba(14,203,129,.35)}
.status-pill.rejected,.status-pill.canceled,.status-pill.disabled{color:var(--down);border-color:rgba(246,70,93,.35)}
.error-state{text-align:center;max-width:560px;margin:60px auto;padding:40px}
.error-code{font-size:70px;font-weight:800;color:rgba(76,141,255,.35);line-height:1}

/* footer */
.site-footer{position:relative;margin-top:40px;padding:52px 0 20px;border-top:1px solid var(--line);
  background:radial-gradient(900px 320px at 18% 0%,rgba(76,141,255,.08),transparent),var(--bg2)}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(76,141,255,.5) 35%,rgba(240,185,11,.28) 70%,transparent)}
.footer-grid{display:grid;grid-template-columns:2.2fr repeat(3,1fr);gap:36px}
.footer-brand .logo-mark{height:40px;width:auto;display:block;margin-bottom:16px;filter:drop-shadow(0 2px 12px rgba(76,141,255,.3))}
.footer-brand p{max-width:300px;font-size:13px;line-height:1.7;margin:0 0 14px}
.footer-brand .tag{white-space:nowrap}
.footer-col h4{position:relative;margin:0 0 16px;padding-left:12px;font-size:13px;color:var(--text);letter-spacing:.5px}
.footer-col h4::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:3px;border-radius:2px;background:linear-gradient(180deg,var(--accent),#6f6bff)}
.footer-col a{display:block;margin:0 0 10px;color:var(--muted);font-size:12.5px;transition:.15s}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:36px;padding-top:18px;border-top:1px solid var(--line);font-size:11px;color:var(--dim)}

@media(max-width:1100px){
  .trade-layout{grid-template-columns:180px minmax(0,1fr)}
  .trade-layout .trade-side-right{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .grid-4,.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:820px){
  .nav-wrap{gap:10px;height:auto;padding:10px 0;flex-wrap:wrap}
  .main-nav{order:3;width:100%;flex-basis:100%;justify-content:flex-start}
  .brand .logo-mark{height:30px}
  .u-email{display:none}
  .grid-2,.grid-3,.grid-4,.content-layout,.admin-layout{grid-template-columns:1fr}
  .side-nav,.admin-side{position:static}
  .admin-side{display:flex;overflow-x:auto;gap:4px}
  .admin-side-title{display:none}
  .admin-side a{white-space:nowrap}
  .trade-layout{grid-template-columns:1fr}
  .trade-layout .trade-side-right{grid-column:auto;grid-template-columns:1fr}
  .symbol-list{display:flex;overflow-x:auto;max-height:none}
  .symbol-list a{min-width:130px;border-bottom:0}
  .hide-sm{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero{padding:32px 0 16px}
  #chartCanvas{height:300px}
}
@media(max-width:520px){
  .container{width:calc(100% - 20px)}
  .stat-grid,.grid-4,.grid-2,.grid-3{grid-template-columns:1fr}
  .card{padding:14px}
  .page{padding:20px 0 40px}
  .auth-card{padding:20px}
  .footer-grid{grid-template-columns:1fr}
}

/* ---------------- 行情中心 / 交易对详情 ---------------- */
.rank-card{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:14px;min-width:0;overflow:hidden}
.rank-card h3{font-size:13px;margin:0 0 8px;color:#9ec0ff}
.rank-row{display:flex;align-items:center;gap:8px;padding:7px 4px;border-bottom:1px solid rgba(38,49,74,.5);font-size:12px}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:rgba(76,141,255,.06)}
.rank-no{width:18px;color:var(--dim);font-family:monospace;text-align:center;flex:none}
.rank-row .pair-cell{flex:1;min-width:0}
.rank-price{font-size:12px}
.rank-extra{font-size:12px;min-width:64px;text-align:right}
.converter-grid{display:grid;grid-template-columns:1.4fr 1fr 24px 1fr;gap:12px;align-items:end}
.converter-grid .field{margin:0}
.converter-eq{text-align:center;color:var(--accent);font-size:20px;padding-bottom:6px}
.input-sm{padding:6px 9px;font-size:12px;border-radius:7px}
.star-col{width:34px;text-align:center}
.star-btn{background:none;border:0;color:var(--dim);font-size:17px;cursor:pointer;padding:2px 5px;line-height:1}
.star-btn:hover,.star-btn.on{color:var(--accent2)}
.star-btn-lg{font-size:24px}
.market-table{font-size:12px;min-width:920px}
.market-table th.sortable{cursor:pointer;user-select:none;white-space:nowrap}
.market-table th.sortable:hover{color:var(--text)}
.market-table th.sort-asc::after{content:" ▲";color:var(--accent);font-size:9px}
.market-table th.sort-desc::after{content:" ▼";color:var(--accent);font-size:9px}
.hide-md{display:table-cell}
@media(max-width:1240px){.hide-md{display:none}}

.coin-icon-lg{width:46px;height:46px;font-size:20px}
.coin-head{align-items:center}
.coin-head h1{margin:0}
.pair-link:hover{color:var(--text)}
.kv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.kv-item{background:var(--card);padding:12px 14px;display:flex;flex-direction:column;gap:4px}
.kv-item span{font-size:11px;color:var(--muted)}
.kv-item b{font-size:14px}
.depth-canvas{width:100%;height:250px;display:block}
#coinChart{width:100%;height:360px;display:block}
@media(max-width:820px){#coinChart{height:300px}}
.chart-key{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:4px}
.chart-key i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-left:8px}
.chart-key i.up{background:var(--up)}.chart-key i.down{background:var(--down)}
.depth-summary{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:12px 4px 0;font-size:11px;color:var(--muted)}
.depth-summary b{color:var(--text)}
.pressure-bar{position:relative;height:7px;border-radius:5px;background:rgba(246,70,93,.35);overflow:hidden;min-width:60px}
.pressure-bar i{position:absolute;top:0;bottom:0;display:block}
.pressure-bar i:first-child{left:0;background:var(--up)}
.pressure-bar i:last-child{right:0;background:var(--down)}
.mini-stats{display:grid;gap:1px;background:var(--line)}
.mini-stats>div{display:flex;justify-content:space-between;gap:8px;background:var(--card);padding:7px 14px;font-size:11px}
.mini-stats>div:last-child{border-radius:0 0 10px 10px}
.mini-stats span{color:var(--muted)}
.book-toolbar{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--line);font-size:11px;color:var(--muted)}
.book-toolbar select{width:auto;flex:1;max-width:110px}
.pressure-line{display:flex;align-items:center;gap:8px;padding:0 12px 12px;font-size:11px}
.pressure-line .pressure-bar{flex:1}
.book-tabs button.active{color:var(--text);border-bottom:2px solid var(--accent)}
.panel-search{padding:8px 10px;border-bottom:1px solid var(--line)}
.chart-toolbar{flex-wrap:wrap;gap:4px}
.chart-label{margin-right:4px}
.interval-row{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;max-width:62%}
.interval-row::-webkit-scrollbar{display:none}
.toolbar-spacer{flex:1}
.view-switch{display:flex;gap:2px;background:var(--bg2);border-radius:7px;padding:3px}
.view-switch button{font-size:11px;padding:4px 9px;white-space:nowrap}
@media(max-width:1100px){.kv-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){
  .kv-grid{grid-template-columns:repeat(2,1fr)}
  .converter-grid{grid-template-columns:1fr 1fr}.converter-eq{display:none}
  .interval-row{max-width:100%}.depth-canvas{height:200px}
}
@media(max-width:520px){.kv-grid{grid-template-columns:1fr 1fr}.converter-grid{grid-template-columns:1fr}}

/* ---------------- 首页 ---------------- */
.nav-auth{display:flex;align-items:center;gap:8px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:42px;align-items:center;padding:54px 0 26px}
.hero-copy{text-align:left}
.hero-copy .hero-badge{margin-bottom:18px}
.hero-copy h1{font-size:clamp(30px,4.2vw,48px);font-weight:800;letter-spacing:-1px;line-height:1.16;margin-bottom:16px;
  background:linear-gradient(100deg,#fff 18%,#8fb6ff 72%,#c4a8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy p{color:var(--muted);font-size:15px;line-height:1.8;max-width:560px;margin-bottom:24px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.btn-lg{padding:13px 26px;font-size:15px;border-radius:10px}
.hero-trust{display:flex;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.hero-trust span{display:inline-flex;align-items:center;gap:6px}
.hero-trust span::before{content:"✓";color:var(--up);font-weight:700}
.hero-market{margin:0;padding:18px}
.hero-market .card-head{margin-bottom:6px}
.hero-market .card-head h3{font-size:15px}
.hm-list{display:grid;gap:2px}
.hm-row{display:grid;grid-template-columns:1.25fr .95fr .7fr 74px;align-items:center;gap:10px;padding:10px 6px;border-radius:8px;font-size:13px}
.hm-row:hover{background:var(--card2);color:var(--text)}
.hm-row .spark{width:74px;height:26px}
.hm-foot{display:flex;justify-content:space-between;gap:12px;margin-top:12px;padding-top:14px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}
.hm-foot b{display:block;color:var(--text);font-size:14px;margin-top:2px}
.hm-foot i{font-style:normal}
.home-stats{margin:8px 0 36px}
.home-section{margin-bottom:36px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.section-head h2{font-size:20px;margin:0}
.section-head p{color:var(--muted);font-size:12px;margin:4px 0 0}
.market-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.market-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;transition:.16s}
.market-card:hover{border-color:rgba(76,141,255,.5);transform:translateY(-2px)}
.mc-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px}
.mc-price{font-size:22px;font-weight:700;margin-bottom:6px}
.market-card .spark{width:100%;height:42px}
.mc-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:10px;font-size:11px;color:var(--muted)}
.mc-foot a{color:var(--accent);font-weight:600}
.mc-foot a:hover{color:#9ec0ff}
.help-links{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.help-links a{background:var(--bg2);border:1px solid var(--line);border-radius:9px;padding:12px 14px;font-size:13px;font-weight:600}
.help-links a:hover{border-color:var(--accent);color:var(--text)}
.cta-band{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
  background:linear-gradient(110deg,rgba(76,141,255,.18),rgba(139,92,246,.12));border:1px solid rgba(76,141,255,.35);
  border-radius:14px;padding:28px 30px;margin-bottom:12px}
.cta-band h2{font-size:22px;margin:0 0 6px}
.cta-band p{color:var(--muted);margin:0;font-size:13px}
@media(max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:26px;padding:34px 0 10px}
  .hero-copy h1{font-size:34px}
  .market-cards{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){
  .market-cards{grid-template-columns:1fr}
  .hero-actions .btn{flex:1}
  .hm-row{grid-template-columns:1.3fr 1fr .8fr}
  .hm-row .spark{display:none}
  .cta-band{padding:20px}
  .help-links{grid-template-columns:1fr}
}