/* =========================================================
   yzqlyq.com — 暗金交易终端主题 (L0 首页 / L1 分类 / L2 文章)
   Binance 中国官网风格：深底 #0B0E11 + 金 #F0B90B
   ========================================================= */
:root{
  --bg:#0B0E11; --bg2:#0F1418; --panel:#181A20; --panel2:#1E2329; --line:#2B3139;
  --gold:#F0B90B; --gold2:#FCD535; --green:#0ECB81; --red:#F6465D;
  --text:#EAECEF; --muted:#848E9C; --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;line-height:1.65;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ================= 通用按钮 ================= */
.btn{display:inline-block;border-radius:6px;padding:10px 24px;font-weight:600;font-size:14px;cursor:pointer;transition:.2s;border:none;text-align:center}
.btn-gold{background:var(--gold);color:#0B0E11}
.btn-gold:hover{background:var(--gold2);box-shadow:0 0 22px rgba(240,185,11,.35)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}

/* ================= 顶部导航 ================= */
.nav{position:sticky;top:0;z-index:50;background:rgba(11,14,17,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;height:62px;gap:30px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:.5px;white-space:nowrap}
.logo .cube{width:25px;height:25px;border-radius:6px;background:linear-gradient(135deg,var(--gold2),var(--gold));box-shadow:0 0 16px rgba(240,185,11,.45);flex-shrink:0}
.logo small{font-weight:400;color:var(--muted);font-size:12px}
.nav-links{display:flex;gap:26px;font-size:14px;color:var(--muted)}
.nav-links a:hover{color:var(--gold)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:18px;font-size:14px;white-space:nowrap}
.nav-right .lk{color:var(--muted)}
.nav-right .lk:hover{color:var(--gold)}
.burger{display:none;font-size:22px;color:var(--text);background:none;border:none;cursor:pointer}
.nav-mobile{display:none;flex-direction:column;background:var(--panel);border-bottom:1px solid var(--line);padding:10px 0}
.nav-mobile.show{display:flex !important}
.nav-mobile a{padding:11px 24px;font-size:14px;color:var(--text);border-bottom:1px solid var(--line)}
.nav-mobile a:last-child{border-bottom:none}
.nav-mobile a:hover{color:var(--gold)}

/* ================= 行情跑马灯 ================= */
.ticker{border-bottom:1px solid var(--line);background:var(--bg2);overflow:hidden;white-space:nowrap}
.ticker .track{display:inline-block;animation:mq 30s linear infinite;padding:8px 0;font-size:13px}
.ticker:hover .track{animation-play-state:paused}
@keyframes mq{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.tk{display:inline-flex;align-items:center;gap:8px;padding:0 26px;color:var(--muted)}
.tk b{color:var(--text);font-weight:600}
.tk .up{color:var(--green)} .tk .down{color:var(--red)}

/* ================= Hero ================= */
.hero{position:relative;overflow:hidden;background:radial-gradient(1000px 520px at 78% -10%,rgba(240,185,11,.16),transparent 60%),radial-gradient(800px 420px at 8% 110%,rgba(14,203,129,.10),transparent 60%),var(--bg)}
.hero .gridbg{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:44px 44px;opacity:.14;-webkit-mask-image:radial-gradient(720px 420px at 50% 40%,#000 30%,transparent 75%);mask-image:radial-gradient(720px 420px at 50% 40%,#000 30%,transparent 75%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;padding:72px 24px 80px;align-items:center}
.hero h1{font-size:44px;line-height:1.28;font-weight:800;letter-spacing:.5px}
.hero h1 em{font-style:normal;color:var(--gold);text-shadow:0 0 30px rgba(240,185,11,.4)}
.hero .sub{margin-top:18px;color:var(--muted);font-size:16px;max-width:520px}
.hero .ctas{margin-top:32px;display:flex;gap:16px;flex-wrap:wrap}
.hero .ctas .btn{padding:13px 30px;font-size:15px}
.hero .trust{margin-top:24px;color:var(--muted);font-size:13px;display:flex;gap:18px;flex-wrap:wrap}
.hero .trust span{display:flex;align-items:center;gap:6px}
.hero .trust i{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block}
.trade-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 18px 60px rgba(0,0,0,.5)}
.trade-card .tc-head{display:flex;align-items:center;margin-bottom:14px;gap:14px}
.trade-card .tc-head .pair{font-weight:700;font-size:15px}
.trade-card .tc-head .pair small{color:var(--muted);font-weight:400;font-size:12px}
.trade-card .tc-head .px{margin-left:auto;font-size:20px;font-weight:700;color:var(--gold)}
.trade-card .tc-head .chg{font-size:13px;color:var(--green)}
.trade-card svg{width:100%;height:150px;display:block}
.trade-card .tc-foot{margin-top:12px;display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:10px;flex-wrap:wrap}

/* ================= 统计条 ================= */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:26px 16px;text-align:center;border-left:1px solid var(--line)}
.stat:first-child{border-left:none}
.stat b{display:block;font-size:26px;font-weight:800;color:var(--gold)}
.stat span{font-size:13px;color:var(--muted)}

/* ================= 区块通用 ================= */
.sec{padding:64px 0 0}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:22px}
.sec-head h2{font-size:24px;font-weight:700}
.sec-head h2 b{color:var(--gold)}
.sec-head .more{font-size:13px;color:var(--muted);transition:.2s}
.sec-head .more:hover{color:var(--gold)}
.sectag{display:inline-block;font-size:11px;color:var(--gold);border:1px solid rgba(240,185,11,.35);padding:2px 9px;border-radius:4px;margin-right:8px;vertical-align:1px;letter-spacing:.5px}

/* ================= 行情表 ================= */
.table{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tr{display:grid;grid-template-columns:2fr 1.4fr 1.2fr 1.6fr;padding:14px 22px;border-bottom:1px solid var(--line);align-items:center;font-size:14px;transition:background .2s}
.tr:last-child{border-bottom:none}
.tr.th{background:var(--bg2);color:var(--muted);font-size:12px;letter-spacing:.5px}
.tr:not(.th):hover{background:var(--panel2)}
.coin{display:flex;align-items:center;gap:12px;font-weight:600}
.coin .ic{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#0B0E11;flex-shrink:0}
.coin small{display:block;color:var(--muted);font-weight:400;font-size:12px}
.up{color:var(--green)} .down{color:var(--red)}
.pct{padding:3px 10px;border-radius:6px;font-size:13px;justify-self:start}
.pct.up{background:rgba(14,203,129,.12)} .pct.down{background:rgba(246,70,93,.12)}

/* ================= 产品卡片 ================= */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px;transition:.25s}
.card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:0 14px 40px rgba(0,0,0,.45)}
.card .ico{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:16px;background:rgba(240,185,11,.12);color:var(--gold)}
.card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.card p{font-size:13px;color:var(--muted);line-height:1.7}
.card .ar{display:inline-block;margin-top:14px;font-size:13px;color:var(--gold)}
.card .ar:hover{color:var(--gold2)}

/* ================= 新闻快讯 ================= */
.news-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:20px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px}
.panel h3{font-size:17px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.panel h3 i{width:4px;height:18px;border-radius:2px;background:var(--gold);display:inline-block;flex-shrink:0}
.news-li{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;cursor:pointer;transition:.2s}
.news-li:last-child{border-bottom:none}
.news-li:hover .t{color:var(--gold)}
.news-li .t{color:var(--text);transition:.2s}
.news-li time{color:var(--muted);font-size:12px;white-space:nowrap}

/* ================= CTA 横幅 ================= */
.banner{position:relative;overflow:hidden;margin-top:64px;border-radius:14px;border:1px solid var(--line);background:linear-gradient(120deg,rgba(240,185,11,.22),rgba(240,185,11,.05) 55%,transparent),var(--panel);padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.banner h2{font-size:26px;font-weight:800}
.banner p{color:var(--muted);margin-top:8px;font-size:14px}
.banner .btn{padding:14px 34px;font-size:15px}

/* ================= 页脚 ================= */
footer{margin-top:64px;border-top:1px solid var(--line);background:var(--bg2)}
.foot-main{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;padding:44px 0 32px}
.foot-main h4{font-size:14px;margin-bottom:14px;color:var(--text)}
.foot-main a{display:block;font-size:13px;color:var(--muted);padding:5px 0;transition:.2s}
.foot-main a:hover{color:var(--gold)}
.foot-main .desc{font-size:13px;color:var(--muted);line-height:1.8;margin-top:14px}
.foot-bar{border-top:1px solid var(--line);padding:18px 0;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ================= L1 分类页 ================= */
.page-head{padding:40px 0 8px}
.page-head .crumb{font-size:13px;color:var(--muted);margin-bottom:10px}
.page-head .crumb a{color:var(--gold)}
.page-head h1{font-size:30px;font-weight:800;display:flex;align-items:center;gap:12px}
.page-head h1 .bar{width:5px;height:26px;border-radius:3px;background:var(--gold);display:inline-block}
.page-head p{color:var(--muted);font-size:14px;margin-top:10px}
.art-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:24px 0 8px}
.art-item{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px;display:flex;flex-direction:column;gap:10px;transition:.25s}
.art-item:hover{transform:translateY(-3px);border-color:var(--gold);box-shadow:0 12px 36px rgba(0,0,0,.4)}
.art-item .meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
.art-item h3{font-size:16px;font-weight:700;line-height:1.5;transition:.2s}
.art-item:hover h3{color:var(--gold)}
.art-item .ex{font-size:13px;color:var(--muted);line-height:1.7}
.art-item .go{font-size:13px;color:var(--gold)}
.pager{display:flex;justify-content:center;gap:8px;padding:32px 0 8px}
.pager a{min-width:38px;height:38px;line-height:38px;text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:8px;font-size:14px;color:var(--muted);padding:0 12px;transition:.2s}
.pager a:hover{color:var(--gold);border-color:var(--gold)}
.pager a.cur{background:var(--gold);color:#0B0E11;font-weight:700;border-color:var(--gold)}

/* ================= L2 文章页 ================= */
.art-top{background:radial-gradient(800px 300px at 70% -20%,rgba(240,185,11,.12),transparent 60%),var(--bg);border-bottom:1px solid var(--line)}
.art-top .wrap{padding:44px 24px 30px;max-width:1000px}
.art-top .crumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.art-top .crumb a{color:var(--gold)}
.art-top h1{font-size:30px;font-weight:800;line-height:1.4}
.art-top .meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;font-size:13px;color:var(--muted)}
.art-top .meta b{color:var(--gold);font-weight:600}
.art-main{padding:40px 0 8px}
.art-main .wrap{max-width:1000px}
.art-body{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:36px 44px;font-size:16px;line-height:1.95;color:#D7DBE0}
.art-body h2{font-size:22px;font-weight:800;color:var(--text);margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--gold)}
.art-body h3{font-size:18px;font-weight:700;color:var(--gold);border-left:3px solid var(--gold);padding-left:10px;margin:26px 0 12px}
.art-body p{margin:14px 0;color:#C9CFD6}
.art-body ul,.art-body ol{margin:14px 0;padding-left:26px;color:#C9CFD6}
.art-body li{margin:8px 0}
.art-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.art-body th{background:var(--bg2);color:var(--gold);font-weight:700;text-align:left}
.art-body th,.art-body td{border:1px solid var(--line);padding:10px 14px;color:#C9CFD6}
.art-body blockquote{border-left:3px solid var(--gold);background:rgba(240,185,11,.05);padding:12px 18px;margin:16px 0;color:var(--muted);font-size:15px}
.art-body .kw{color:var(--gold);font-weight:700}
.art-body code,.art-body pre{font-family:Menlo,Consolas,monospace;background:#0f1216;border:1px solid var(--line);color:#F0B90B;font-size:13px}
.art-body pre{padding:14px 16px;border-radius:8px;overflow-x:auto;line-height:1.7}
.art-body img{border-radius:10px;margin:16px 0}
.art-rel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px;margin-top:24px}
.art-rel h3{font-size:16px;font-weight:700;margin-bottom:14px;color:var(--gold)}
.art-rel .r-li{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;transition:.2s}
.art-rel .r-li:last-child{border-bottom:none}
.art-rel .r-li:hover{color:var(--gold)}
.art-rel .r-li time{color:var(--muted);font-size:12px;white-space:nowrap}
.art-nav{display:flex;justify-content:space-between;gap:20px;margin-top:24px}
.art-nav a{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 20px;font-size:13px;color:var(--muted);transition:.2s}
.art-nav a:hover{border-color:var(--gold);color:var(--gold)}
.art-nav .dir{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.art-back{display:inline-block;margin:26px 0 8px;font-size:13px;color:var(--muted)}
.art-back:hover{color:var(--gold)}

/* ================= 响应式 ================= */
@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr;padding:48px 24px 56px}
  .hero h1{font-size:32px}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .stat{border-left:none;border-top:1px solid var(--line)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .foot-main{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .burger{display:inline-block}
  .art-body{padding:26px 22px}
  .art-list{grid-template-columns:1fr}
}
@media (max-width:560px){
  .cards,.foot-main{grid-template-columns:1fr}
  .tr{grid-template-columns:1.6fr 1fr 1fr;font-size:13px}
  .tr .mv{display:none}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .art-top h1{font-size:24px}
  .art-nav{flex-direction:column}
  .nav-right .btn{padding:8px 16px;font-size:13px}
}

/* ===== 产品卡配图 ===== */
.card .card-img{height:120px;border-radius:10px;overflow:hidden;margin-bottom:14px;border:1px solid var(--line)}
.card .card-img img{width:100%;height:100%;object-fit:cover;display:block}
@media(max-width:700px){.card .card-img{height:100px}}