/* =========================================================
   anqing56.com 合规样板站 — 区块链知识内容门户
   浅色专业，无导流无品牌仿冒
   ========================================================= */
:root{--primary:#2563EB;--text:#0F172A;--muted:#64748B;--line:#E5EAF5;--bg:#FFFFFF;--bg2:#F6F9FF;--maxw:1080px}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--text);font-family:-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;height:62px;gap:32px}
.logo{display:flex;align-items:center;gap:9px;font-size:19px;font-weight:800}
.logo .sq{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,#2563EB,#0EA5E9)}
.nav-links{display:flex;gap:26px;font-size:14px;color:var(--muted)}
.nav-links a:hover{color:var(--primary)}
.nav-right{margin-left:auto}
.burger{display:none;font-size:22px;background:none;border:none;cursor:pointer;color:var(--text)}
.nav-mobile{display:none;flex-direction:column;background:#fff;border-bottom:1px solid var(--line)}
.nav-mobile a{padding:12px 24px;font-size:14px;color:var(--text);border-bottom:1px solid var(--line)}
.nav-mobile a:last-child{border-bottom:none}
.nav-mobile.show{display:flex !important}

/* 顶部资讯条 */
.topbar{background:var(--bg2);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted);padding:9px 0}
.topbar .wrap{display:flex;gap:28px;overflow:hidden;white-space:nowrap}
.topbar .it{display:inline-flex;gap:8px;align-items:center}
.topbar .it b{color:var(--primary);font-weight:600}

/* 今日要闻 Hero */
.hero{padding:36px 0 8px}
.hero .grid{display:grid;grid-template-columns:1.5fr 1fr;gap:20px}
.hero .main-feat{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:26px;position:relative;overflow:hidden}
.hero .main-feat .tag{display:inline-block;font-size:12px;color:var(--primary);background:rgba(37,99,235,.08);border:1px solid rgba(37,99,235,.2);padding:3px 12px;border-radius:6px;font-weight:600;margin-bottom:12px}
.hero .main-feat h1{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:800;line-height:1.35;margin-bottom:10px}
.hero .main-feat h1 a:hover{color:var(--primary)}
.hero .main-feat p{font-size:14px;color:var(--muted);line-height:1.8}
.hero .side-feats{display:flex;flex-direction:column;gap:14px}
.hero .sf{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;transition:.2s}
.hero .sf:hover{border-color:var(--primary);box-shadow:0 8px 24px rgba(37,99,235,.08)}
.hero .sf .tag{font-size:11px;color:var(--primary);font-weight:600;margin-bottom:6px;display:block}
.hero .sf h3{font-size:14px;font-weight:700;line-height:1.6}
.hero .sf h3:hover{color:var(--primary)}
.hero .sf time{font-size:12px;color:var(--muted)}

/* 栏目区 */
.sec{padding:36px 0 8px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px}
.sec-head h2{font-size:20px;font-weight:800}
.sec-head h2 i{width:4px;height:18px;border-radius:2px;background:var(--primary);display:inline-block;margin-right:10px;vertical-align:-3px}
.sec-head .more{font-size:13px;color:var(--muted)}
.sec-head .more:hover{color:var(--primary)}
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.col{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:20px}
.col h3{font-size:15px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.col h3 i{width:26px;height:26px;border-radius:7px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0}
.col .li{padding:9px 0;border-bottom:1px solid var(--line);font-size:13px;line-height:1.6}
.col .li:last-child{border-bottom:none}
.col .li a:hover{color:var(--primary)}
.col .li time{font-size:11px;color:var(--muted);margin-right:8px}

/* 行情快报表 */
.mkt{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.mkt .mr{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;padding:10px 18px;border-bottom:1px solid var(--line);font-size:13px;align-items:center}
.mkt .mr.th{background:var(--bg2);color:var(--muted);font-size:12px}
.mkt .mr:last-child{border-bottom:none}
.mkt .mr .n{font-weight:700}
.mkt .mr .up{color:#10B981}.mkt .mr .down{color:#EF4444}

/* 关于平台 */
.about-sec{position:relative;padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(rgba(246,249,255,.82),rgba(246,249,255,.85)),url('/images/fs7am6a.webp') center/cover no-repeat}
.about-sec .wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.about-sec h2{font-size:20px;font-weight:800;margin-bottom:14px}
.about-sec p{font-size:14px;color:var(--muted);line-height:1.9}
.about-sec .pts{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.about-sec .pt{display:flex;gap:10px;font-size:13px;color:var(--muted)}
.about-sec .pt b{color:var(--primary)}

/* 页脚 */
footer{border-top:1px solid var(--line);background:#fff;padding:40px 0 0}
.foot-main{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;padding-bottom:28px}
.foot-main h4{font-size:14px;margin-bottom:12px}
.foot-main a{display:block;font-size:13px;color:var(--muted);padding:4px 0}
.foot-main a:hover{color:var(--primary)}
.foot-main .desc{font-size:13px;color:var(--muted);line-height:1.8;margin-top:12px}
.foot-bar{border-top:1px solid var(--line);padding:16px 0;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* L1 分类页 */
.cat-head{padding:30px 0 8px}
.cat-head .crumb{font-size:13px;color:var(--muted);margin-bottom:10px}
.cat-head h1{font-size:26px;font-weight:800}
.cat-head p{color:var(--muted);font-size:14px;margin-top:8px}
.art-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:20px 0 8px}
.art-item{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:20px;transition:.2s}
.art-item:hover{border-color:var(--primary);box-shadow:0 10px 28px rgba(37,99,235,.08)}
.art-item .meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin-bottom:8px}
.art-item h3{font-size:15px;font-weight:700;line-height:1.6;margin-bottom:6px}
.art-item:hover h3{color:var(--primary)}
.art-item .ex{font-size:13px;color:var(--muted);line-height:1.7}
.pager{display:flex;justify-content:center;gap:8px;padding:24px 0 10px}
.pager a{min-width:36px;height:36px;line-height:36px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:8px;font-size:14px;color:var(--muted);padding:0 10px}
.pager a:hover{color:var(--primary);border-color:var(--primary)}
.pager a.cur{background:var(--primary);color:#fff;font-weight:700;border:none}

/* L2 文章页 */
.art-top{background:var(--bg2);border-bottom:1px solid var(--line)}
.art-top .wrap{padding:36px 24px 24px;max-width:820px}
.art-top .crumb{font-size:13px;color:var(--muted);margin-bottom:12px}
.art-top .crumb a{color:var(--primary)}
.art-top h1{font-size:clamp(1.4rem,2.4vw,2rem);font-weight:800;line-height:1.4}
.art-top .meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:14px;font-size:13px;color:var(--muted)}
.art-top .meta b{color:var(--primary)}
.art-main{padding:28px 0 8px}
.art-main .wrap{max-width:820px}
.art-body{background:#fff;padding:10px 0;font-size:16px;line-height:1.95;color:#1E293B}
.art-body h2{font-size:21px;font-weight:800;margin:30px 0 12px;padding-left:14px;border-left:4px solid var(--primary)}
.art-body h3{font-size:17px;font-weight:700;border-left:3px solid var(--primary);padding-left:10px;margin:24px 0 12px}
.art-body p{margin:13px 0;color:#475569}
.art-body ul,.art-body ol{margin:13px 0;padding-left:26px;color:#475569}
.art-body li{margin:7px 0}
.art-body img{border-radius:12px;margin:16px 0}
.art-rel{border-top:1px solid var(--line);margin-top:24px;padding-top:20px}
.art-rel h3{font-size:15px;font-weight:800;margin-bottom:12px}
.art-rel .r-li{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.art-rel .r-li:last-child{border-bottom:none}
.art-rel .r-li:hover{color:var(--primary)}
.art-rel .r-li time{color:var(--muted);font-size:12px}
.art-nav{display:flex;justify-content:space-between;gap:16px;margin-top:20px}
.art-nav a{flex:1;border:1px solid var(--line);border-radius:10px;padding:14px 18px;font-size:13px;color:var(--muted)}
.art-nav a:hover{border-color:var(--primary);color:var(--primary)}
.art-nav .dir{display:block;font-size:12px;margin-bottom:4px}
.art-back{display:inline-block;margin:22px 0 6px;font-size:13px;color:var(--muted)}
.art-back:hover{color:var(--primary)}

@media (max-width:960px){
  .hero .grid{grid-template-columns:1fr}
  .cols{grid-template-columns:1fr}
  .about-sec .wrap{grid-template-columns:1fr}
  .foot-main{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .burger{display:inline-block}
  .art-list{grid-template-columns:1fr}
}
@media (max-width:560px){ .foot-main{grid-template-columns:1fr} }

.btn-reg{display:inline-block;background:var(--primary);color:#fff;font-weight:700;font-size:14px;padding:9px 24px;border-radius:8px;margin-right:8px;transition:.2s}
.btn-reg:hover{background:#1d4ed8}

/* 首页配图 */
.main-feat .feat-img{width:100%;height:180px;object-fit:cover;border-radius:10px;margin-bottom:14px}
.col .col-img{width:100%;height:110px;object-fit:cover;border-radius:10px;margin-bottom:12px}