/* ============ RESET & TOKENS ============ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
    --bg:#ffffff;
    --bg2:#f7f7fa;
    --card:rgba(12,12,20,.028);
    --card-b:rgba(12,12,20,.08);
    --txt:#14141c;
    --sub:#71717f;
    --amber:#f7931a;
    --amber2:#ffb347;
    --green:#22c07a;
    --red:#e5484d;
    --radius:20px;
    --ink-3: #999999;
    --line: #ececec;
    --ink: #111111;
    --ink-2: #555555;
    --line-2: #f5f5f5;
    --font-d:'Space Grotesk','Noto Sans SC',sans-serif;
}
html{scroll-behavior:smooth}
body{
    background:var(--bg);color:var(--txt);
    font-family:'Noto Sans SC',var(--font-d),sans-serif;
    overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
::selection{background:var(--amber);color:#000}
::-webkit-scrollbar{width:9px}
::-webkit-scrollbar-track{background:#eeeef2}
::-webkit-scrollbar-thumb{background:#c9c9d4;border-radius:9px}
::-webkit-scrollbar-thumb:hover{background:var(--amber)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ============ GLOBAL FX ============ */
#orb{position:fixed;width:520px;height:520px;border-radius:50%;pointer-events:none;z-index:0;
    background:radial-gradient(circle,rgba(247,147,26,.16) 0%,rgba(247,147,26,.05) 40%,transparent 70%);
    transform:translate(-50%,-50%);transition:opacity .6s;filter:blur(10px)}
#grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.5;mix-blend-mode:overlay;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E")}
main{position:relative;z-index:2;margin-top: 15px;}

/* ============ NAV ============ */
nav{position:fixed;top:0;left:0;right:0;z-index:100;
    display:flex;align-items:center;justify-content:space-between;
    padding:18px clamp(20px,5vw,64px);
    transition:background .5s,backdrop-filter .5s,border-color .5s,padding .5s;
    border-bottom:1px solid transparent;background-color: rgba(255, 255, 255, 0.8);}
nav.scrolled{background:rgba(255,255,255,.78);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-bottom-color:rgba(15,15,24,.06);padding:12px clamp(20px,5vw,64px)}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-d);font-weight:700;font-size:20px;letter-spacing:.06em}
.logo .coin{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
    background:linear-gradient(135deg,var(--amber),#d97a06);color:#fff;font-size:17px;font-weight:700;
    box-shadow:0 0 22px rgba(247,147,26,.45);transition:transform .5s cubic-bezier(.34,1.56,.64,1)}
.logo:hover .coin{transform:rotate(360deg)}
.nav-links{display:flex;gap:34px;font-size:14px}
.nav-links a{color:var(--sub);position:relative;transition:color .3s;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;
    background:linear-gradient(90deg,var(--amber),var(--amber2));transition:width .35s cubic-bezier(.22,1,.36,1)}
.nav-links a:hover{color:#000}
.nav-links a:hover::after{width:100%}
.nav-cta{font-size:13px;font-weight:500;padding:9px 20px;border-radius:100px;
    border:1px solid rgba(247,147,26,.5);color:var(--amber);transition:.35s;position:relative;overflow:hidden}
.nav-cta::before{content:"";position:absolute;inset:0;background:var(--amber);transform:translateY(101%);transition:transform .35s cubic-bezier(.22,1,.36,1);z-index:-1}
.nav-cta:hover{color:#000}
.nav-cta:hover::before{transform:translateY(0)}
#menuBtn{display:none;flex-direction:column;gap:5px;padding:6px;z-index:110}
#menuBtn span{width:24px;height:1.8px;background:#14141c;border-radius:2px;transition:.35s}
#menuBtn.open span:nth-child(1){transform:translateY(6.8px) rotate(45deg)}
#menuBtn.open span:nth-child(2){opacity:0;transform:scaleX(0)}
#menuBtn.open span:nth-child(3){transform:translateY(-6.8px) rotate(-45deg)}

/* ============ LIVE STRIP ============ */
.live-strip{max-width:1360px;margin:clamp(20px,10vw,30px) auto 0;padding:clamp(20px,4vw,20px) clamp(24px,5vw,64px);
    display:flex;align-items:center;justify-content:space-between;gap:clamp(24px,4vw,64px);flex-wrap:wrap;
    position:relative}
.live-strip::before{content:"";position:absolute;inset:0;z-index:-1;
    background:linear-gradient(180deg,rgba(247,147,26,.06),transparent 70%)}
.ls-label{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-d);font-size:12px;
    letter-spacing:.24em;text-transform:uppercase;color:var(--sub);margin-bottom:14px}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}
.ls-price{font-family:var(--font-d);font-weight:700;font-size:clamp(40px,7vw,84px);letter-spacing:-.03em;
    line-height:1;font-variant-numeric:tabular-nums;transition:color .7s}
.ls-price.flash-up{color:var(--green)}
.ls-price.flash-down{color:var(--red)}
.ls-sub{display:flex;align-items:center;gap:16px;margin-top:16px;flex-wrap:wrap}
.chg{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-d);font-size:14px;font-weight:600;
    padding:6px 16px;border-radius:100px;transition:.4s}
.chg.up{color:var(--green);background:rgba(34,192,122,.1);border:1px solid rgba(34,192,122,.25)}
.chg.down{color:var(--red);background:rgba(229,72,77,.1);border:1px solid rgba(229,72,77,.25)}
.ls-hilo{font-size:13px;color:var(--sub);font-variant-numeric:tabular-nums}
.ls-right{flex:1;min-width:260px;max-width:520px;height:120px;position:relative}
#sparkCanvas{width:100%;height:100%;display:block}

/* ============ TICKER ============ */
.ticker-wrap{border-top:1px solid rgba(15,15,24,.06);border-bottom:1px solid rgba(15,15,24,.06);
    background:rgba(15,15,24,.015);overflow:hidden;padding:14px 0;position:relative}
.ticker{display:flex;gap:56px;width:max-content;animation:marquee 30s linear infinite;font-family:var(--font-d);font-size:14px}
.ticker-wrap:hover .ticker{animation-play-state:paused}
.ticker-item{display:flex;gap:10px;align-items:baseline;white-space:nowrap;color:var(--sub)}
.ticker-item b{color:#fff;font-weight:600}
.ticker-item .up{color:var(--green)} .ticker-item .down{color:var(--red)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============ SECTIONS ============ */
section{padding:clamp(70px,10vw,30px) clamp(20px,6vw,20px);max-width:1360px;margin:0 auto}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;flex-wrap:wrap}
.sec-head h2{font-family:var(--font-d);font-size:clamp(24px,3.4vw,40px);font-weight:700;letter-spacing:-.02em}
.sec-head h2 span{color:var(--amber)}
.sec-head p{color:var(--sub);font-size:14px;max-width:380px;line-height:1.7}

/* stats grid */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:var(--card);border:1px solid var(--card-b);border-radius:var(--radius);padding:28px 26px;
    position:relative;overflow:hidden;transition:transform .45s cubic-bezier(.22,1,.36,1),border-color .45s,box-shadow .45s;
    transform-style:preserve-3d;will-change:transform}
.stat::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(247,147,26,.6),transparent);opacity:0;transition:opacity .45s}
.stat:hover{transform:translateY(-8px);border-color:rgba(247,147,26,.35);box-shadow:0 24px 60px -20px rgba(247,147,26,.22)}
.stat:hover::before{opacity:1}
.stat .k{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--sub);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.stat .v{font-family:var(--font-d);font-size:clamp(22px,2.4vw,30px);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat .s{font-size:12px;color:var(--sub);margin-top:10px;font-variant-numeric:tabular-nums}

/* chart */
.chart-card{background:var(--card);border:1px solid var(--card-b);border-radius:26px;padding:clamp(20px,3vw,40px);
    position:relative;overflow:hidden}
.chart-card::after{content:"";position:absolute;top:-120px;right:-120px;width:340px;height:340px;border-radius:50%;
    background:radial-gradient(circle,rgba(247,147,26,.12),transparent 70%);pointer-events:none}
.chart-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-bottom:22px}
.chart-price{font-family:var(--font-d);font-size:clamp(26px,3.4vw,42px);font-weight:700;font-variant-numeric:tabular-nums}
.chart-price small{font-size:14px;color:var(--sub);font-weight:400;margin-left:12px}
.ranges{display:flex;gap:6px;background:rgba(15,15,24,.04);border:1px solid rgba(15,15,24,.07);border-radius:100px;padding:5px}
.ranges button{font-size:12.5px;font-weight:600;color:var(--sub);padding:8px 18px;border-radius:100px;transition:.3s;font-family:var(--font-d);background:transparent}
.ranges button:hover{color:#000}
.ranges button.active{background:linear-gradient(135deg,var(--amber),#e07f08);color:#000;box-shadow:0 4px 18px rgba(247,147,26,.4)}
#chartBox{position:relative;height:clamp(260px,38vw,420px)}
#chartCanvas{width:100%;height:100%;display:block;cursor:crosshair}
#chartTip{position:absolute;pointer-events:none;background:rgba(255,255,255,.96);border:1px solid rgba(15,15,24,.1);
    box-shadow:0 10px 30px rgba(15,15,24,.12);color:#14141c;
    border-radius:12px;padding:10px 14px;font-family:var(--font-d);font-size:13px;opacity:0;transition:opacity .2s;
    backdrop-filter:blur(8px);transform:translate(-50%,-115%);white-space:nowrap;z-index:99999}
#chartTip b{font-size:15px;display:block}
#chartTip span{color:var(--sub);font-size:11px}
#chartTip .charts-name{
    font-size: 14px;
    font-weight: 600;
}
#chartTip .charts-value{
    font-size: 14px;
    font-weight: 600;
    margin-left: 30px;
}
#chartTip .charts-dot{
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: rgba(16,185,129,1);
    border-radius: 50%;
    margin-right: 3px;
}
/* features */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat-card{background:var(--card);border:1px solid var(--card-b);border-radius:var(--radius);padding:34px 30px;
    position:relative;overflow:hidden;transition:transform .45s cubic-bezier(.22,1,.36,1),border-color .45s;will-change:transform}
.feat-card:hover{transform:translateY(-8px);border-color:rgba(247,147,26,.3)}
.feat-card .glow{position:absolute;width:220px;height:220px;border-radius:50%;left:var(--gx,50%);top:var(--gy,50%);
    transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(247,147,26,.16),transparent 65%);
    opacity:0;transition:opacity .4s;pointer-events:none}
.feat-card:hover .glow{opacity:1}
.feat-icon{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:22px;font-size:24px;
    background:linear-gradient(135deg,rgba(247,147,26,.18),rgba(247,147,26,.05));border:1px solid rgba(247,147,26,.25);
    transition:transform .5s cubic-bezier(.34,1.56,.64,1)}
.feat-card:hover .feat-icon{transform:rotate(-8deg) scale(1.1)}
.feat-card h3{font-family:var(--font-d);font-size:19px;margin-bottom:12px}
.feat-card p{font-size:13.5px;color:var(--sub);line-height:1.8}

.exc{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.exc-card{--ac:#f0b90b;position:relative;cursor: pointer;background:#fff;border:1px solid rgba(15,15,24,.08);
    border-radius:var(--radius);padding:34px 28px;overflow:hidden;
    transition:transform .45s cubic-bezier(.22,1,.36,1),box-shadow .45s,border-color .45s}
.exc-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--ac);
    transform:scaleX(0);transform-origin:left;transition:transform .5s cubic-bezier(.22,1,.36,1)}
.exc-card:hover{transform:translateY(-8px);border-color:var(--ac);box-shadow:0 30px 60px -25px rgba(15,15,24,.2)}
.exc-card:hover::before{transform:scaleX(1)}
.exc-badge{position:absolute;top:18px;right:18px;font-size:10px;letter-spacing:.14em;color:var(--sub);
    border:1px solid rgba(15,15,24,.1);padding:4px 10px;border-radius:100px}
.exc-logo{display:flex;align-items:center;gap:14px;font-family:var(--font-d);font-size:22px;font-weight:700;color:#14141c}
.exc-logo .mark{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
    color:#fff;font-size:21px;font-weight:700;box-shadow:0 8px 20px -6px var(--ac);transition:transform .5s cubic-bezier(.34,1.56,.64,1)}
.exc-card:hover .mark{transform:rotate(-8deg) scale(1.08)}
.exc-logo small{font-size:11px;color:var(--sub);font-weight:400;letter-spacing:.08em;display:block;margin-top:2px}
.exc-card h3{font-family:var(--font-d);font-size:15px;font-weight:600;color:var(--ac);margin:20px 0 8px}
.exc-card p{font-size:13px;color:var(--sub);line-height:1.8;margin-bottom:24px;min-height:66px}
.exc-btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-d);font-size:14px;font-weight:600;
    padding:12px 28px;border-radius:100px;background:var(--ac);color:#fff;transition:gap .35s,box-shadow .35s}
.exc-btn:hover{gap:14px;box-shadow:0 12px 28px -8px var(--ac)}
.exc-note{margin-top:22px;text-align:center;font-size:12px;color:var(--sub);letter-spacing:.05em}
@media (max-width:960px){.exc{grid-template-columns:1fr}.exc-card p{min-height:0}}

/* feed */
.feed-card{background:var(--card);border:1px solid var(--card-b);border-radius:26px;overflow:hidden}
.feed-head{display:flex;justify-content:space-between;align-items:center;padding:22px 28px;border-bottom:1px solid rgba(15,15,24,.06)}
.feed-head h3{font-family:var(--font-d);font-size:17px}
#feedList{list-style:none;max-height:340px;overflow:hidden;padding:8px 0}
#feedList li{display:grid;grid-template-columns:70px 1fr auto auto;gap:16px;align-items:center;
    padding:13px 28px;font-family:var(--font-d);font-size:13.5px;border-bottom:1px solid rgba(15,15,24,.04);
    transition:background .3s;animation:slideIn .5s cubic-bezier(.22,1,.36,1)}
@keyframes slideIn{from{opacity:0;transform:translateX(-24px)}to{opacity:1;transform:none}}
#feedList li:hover{background:rgba(15,15,24,.03)}
#feedList .t{color:var(--sub);font-size:12px;font-variant-numeric:tabular-nums}
#feedList .side{padding:3px 10px;border-radius:6px;font-size:11px;font-weight:700}
#feedList .side.buy{color:var(--green);background:rgba(34,192,122,.1)}
#feedList .side.sell{color:var(--red);background:rgba(229,72,77,.1)}
#feedList .amt{text-align:right;font-variant-numeric:tabular-nums}
#feedList .amt small{display:block;color:var(--sub);font-size:11px}

/* footer */
footer{border-top:1px solid rgba(15,15,24,.06);padding:56px clamp(20px,6vw,80px) 40px;text-align:center;color:var(--sub);font-size:13px;line-height:2}
footer .logo{justify-content:center;margin-bottom:14px}

.reveal{transition:opacity .9s cubic-bezier(.22,1,.36,1),transform .9s cubic-bezier(.22,1,.36,1)}

/* ============ RESPONSIVE ============ */
@media (max-width:960px){
    .stats{grid-template-columns:repeat(2,1fr)}
    .feat{grid-template-columns:1fr}
}
@media (max-width:680px){
    .nav-links,.nav-cta{display:none}
    #menuBtn{display:flex}
    nav.menu-open{background:rgba(255,255,255,.96);backdrop-filter:blur(20px)}
    .nav-links{position:fixed;inset:0;background:rgba(255,255,255,.97);backdrop-filter:blur(24px);
        flex-direction:column;justify-content:center;align-items:center;gap:36px;font-size:22px;
        opacity:0;pointer-events:none;transition:opacity .4s;display:flex}
    nav.menu-open .nav-links{opacity:1;pointer-events:auto;top:150px;}
    nav.menu-open .nav-links a{color:var(--txt)}
    .stats{grid-template-columns:1fr 1fr;gap:12px}
    .stat{padding:20px 18px}
    #feedList li{grid-template-columns:58px 1fr auto;padding:12px 18px}
    #feedList .amt small{display:none}
}
/* ---------------- 行情表格 ---------------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.coin-table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 880px;}
@media (max-width: 500px) {
    .coin-table th:nth-child(2), .coin-table td:nth-child(2) {
        left: 0;
        width: 150px;
    }
    .table-scroll .coin-table td {
        padding: 18px 3px;
    }
    .coin-table td:nth-child(2) .coin-cell b{
        white-space: pre-wrap;
        word-break: break-all;
    }
    .coin-table { table-layout: fixed; min-width: auto;}
    .coin-table th:nth-child(3), .coin-table td:nth-child(3) {
        left: 0;
        width: 100px;
        white-space: pre-wrap;
        word-break: break-all;
        text-align: left;
    }
    .coin-table th:nth-child(4), .coin-table td:nth-child(4) {
        width: 90px;
    }
    .coin-table th:nth-child(5), .coin-table td:nth-child(5) {
        width: 120px;
    }
    .coin-table th:nth-child(6), .coin-table td:nth-child(6) {
        width: 120px;
    }
    .coin-table th:nth-child(7), .coin-table td:nth-child(7) {
        width: 150px;
    }
}
.coin-table th {
    text-align: right; font-size: 12px; font-weight: 500; color: var(--ink-3);
    letter-spacing: 1px; padding: 14px 16px; background: #fafafa;
    border-bottom: 1px solid var(--line); white-space: nowrap;
}
.coin-table th:first-child, .coin-table td:first-child { text-align: left; }
.coin-table th:nth-child(2), .coin-table td:nth-child(2) { text-align: left; }
/* 锁定前两列（横向滚动时固定） */
.coin-table th:nth-child(1), .coin-table td:nth-child(1) {
    position: sticky; left: 0; z-index: 2; background: #fff;
}
.coin-table th:nth-child(2), .coin-table td:nth-child(2) {
    position: sticky; left: 56px; z-index: 2; background: #fff;
}
.coin-table th:nth-child(1), .coin-table th:nth-child(2) { background: #fafafa; z-index: 3; }
.coin-table th:nth-child(1), .coin-table td:nth-child(1) { width: 56px; min-width: 56px; }
.coin-table th:nth-child(2), .coin-table td:nth-child(2) { min-width: 170px; }
.coin-table td:nth-child(2), .coin-table th:nth-child(2) { box-shadow: none; }
/* 锁定列分层投影：仅横向滚动离开最左后出现（由 JS 切换 .is-scrolled） */
.coin-table td:nth-child(2), .coin-table th:nth-child(2) { transition: box-shadow .3s; }
.table-scroll.is-scrolled .coin-table td:nth-child(2),
.table-scroll.is-scrolled .coin-table th:nth-child(2) {
    box-shadow: inset -12px 0 12px -12px rgba(0,0,0,0.25), 12px 0 12px -12px rgba(0,0,0,0.25);
}
th[data-sort] { cursor: pointer; user-select: none; transition: color .25s; }
th[data-sort]:hover { color: var(--ink); }
.sort-ic { font-size: 10px; color: #c9c9c9; margin-left: 3px; }
.coin-table td {
    text-align: right; padding: 18px 16px; border-bottom: 1px solid var(--line-2);
    font-size: 14.5px; white-space: nowrap; vertical-align: middle;
}
.coin-table tbody tr { cursor: pointer; transition: background .25s; background-color: #fff;}
.coin-table tbody tr:hover { background: #fafafa; }
/* 行悬停时锁定列底色同步 */
.coin-table tbody tr:hover td:nth-child(1),
.coin-table tbody tr:hover td:nth-child(2) { background: #fafafa; }
.rank-no { font-family: var(--num); font-weight: 700; font-size: 13.5px; width: 48px; }
.coin-cell { display: flex; align-items: center; gap: 14px; }
.coin-icon {
    width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 15px; font-weight: 700; color: #fff; background: var(--ink);
}
.coin-cell .name-col { display: flex; flex-direction: column; line-height: 1.4; }
.coin-cell b { font-size: 15px; }
.coin-cell .sym { color: var(--ink-3); font-size: 12px; }
.spark { display: inline-block; vertical-align: middle; }
.table-note { font-size: 12px; color: var(--ink-3); padding: 14px 4px 0; }
.pct-badge {
    display: inline-block;
    min-width: 78px;
    text-align: center;
    padding: 4px 12px;
    border-radius: 6px;
    font-family: var(--num);
    font-size: 12.5px;
    font-weight: 600;
}
.pct-badge.up {
    color: #16a34a;
    background: rgba(22, 163, 74, 0.09);
}
.pct-badge.down {
    color: #ea580c;
    background: rgba(234, 88, 12, 0.09);
}
.engine{
    margin-top: 110px;
}
@media (max-width: 860px) {
    /* 手机端隐藏行情表格序号列，锁列只剩“名称”一列 */
    .coin-table th:nth-child(1), .coin-table td:nth-child(1) { display: none; }
    .coin-table th:nth-child(2), .coin-table td:nth-child(2) { left: 0; min-width: 150px; }
}