/* ============================================================
   51RMB.com 财经查询网 · 设计系统
   主题：简约大气金融风 · 海军蓝 + 金色品牌点
   中国市场惯例：红涨绿跌
   ============================================================ */
:root{
  --bg:#F3F5F9;
  --surface:#FFFFFF;
  --surface-2:#F8FAFC;
  --ink-1:#0C1B33;
  --ink-2:#46566E;
  --ink-3:#8591A6;
  --line:#E2E8F2;
  --brand:#0E3A5F;
  --brand-deep:#082B49;
  --brand-soft:#EAF1F8;
  --accent:#C8A24B;
  --accent-deep:#A9842F;
  --up:#D43D3D;      /* 涨·红 */
  --down:#0CA678;    /* 跌·绿 */
  --flat:#8591A6;
  --focus:#1A66FF;
  --shadow-sm:0 1px 2px rgba(12,27,51,.05);
  --shadow-md:0 6px 24px rgba(12,27,51,.08);
  --r-sm:8px; --r-md:12px; --r-lg:16px;
  --maxw:1200px;
  --nav-h:60px;
  --font-stack:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink-2);
  font-family:var(--font-stack);font-size:15px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--accent-deep)}
h1,h2,h3,h4{color:var(--ink-1);line-height:1.3;margin:0 0 .5em;font-weight:700}
h1{font-size:clamp(26px,3.6vw,40px);letter-spacing:-.01em}
h2{font-size:clamp(20px,2.4vw,26px)}
h3{font-size:17px}
p{margin:0 0 .9em}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}
::selection{background:var(--accent);color:#fff}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.up{color:var(--up)} .down{color:var(--down)} .flat{color:var(--flat)}
.muted{color:var(--ink-3)}

/* ---------- 布局骨架 ---------- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 16px}
.site-main{min-height:70vh;padding:22px 0 56px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.nav-bar{display:flex;align-items:center;gap:18px;height:var(--nav-h);max-width:var(--maxw);margin:0 auto;padding:0 16px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:8px;background:linear-gradient(145deg,var(--brand),var(--brand-deep));display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:14px;letter-spacing:-.5px;position:relative}
.logo-mark::after{content:"";position:absolute;right:3px;top:3px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.logo-text{line-height:1.1}
.logo-text b{font-size:19px;color:var(--brand);letter-spacing:.5px;font-weight:800}
.logo-text span{display:block;font-size:10.5px;color:var(--ink-3);letter-spacing:1.5px}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto;list-style:none;padding:0}
.nav-list a{
  display:block;padding:8px 13px;border-radius:8px;color:var(--ink-2);
  font-size:14.5px;font-weight:500;white-space:nowrap;
}
.nav-list a:hover{background:var(--brand-soft);color:var(--brand)}
.nav-list a.active{background:var(--brand);color:#fff}
.nav-toggle{display:none;margin-left:auto;width:40px;height:40px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle svg{width:20px;height:20px;stroke:var(--ink-1)}
.mobile-menu{display:none;background:#fff;border-top:1px solid var(--line);padding:8px 0;box-shadow:var(--shadow-md)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:11px 20px;color:var(--ink-2);font-size:15px;border-left:3px solid transparent}
.mobile-menu a.active{color:var(--brand);border-left-color:var(--accent);background:var(--brand-soft);font-weight:600}
.mobile-menu a:hover{background:var(--brand-soft)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#B9C6D8;padding:44px 0 22px;font-size:13.5px}
.site-footer a{color:#D6E0EF}
.site-footer a:hover{color:var(--accent)}
.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:28px;max-width:var(--maxw);margin:0 auto;padding:0 16px}
.footer-grid h4{color:#fff;font-size:14px;margin-bottom:12px;letter-spacing:.5px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin-bottom:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;max-width:var(--maxw);margin-left:auto;margin-right:auto;padding-left:16px;padding-right:16px;display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between}
.footer-note{max-width:var(--maxw);margin:14px auto 0;padding:0 16px;font-size:12px;color:#7E93AD;line-height:1.7}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--ink-3);margin:14px 0 18px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C3CCDA}

/* ---------- 页头区 ---------- */
.page-hero{background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 100%);border-radius:var(--r-lg);color:#E4EDF7;padding:30px 28px;margin-bottom:22px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(200,162,75,.25),transparent 65%)}
.page-hero::after{content:"";position:absolute;left:40%;bottom:-80px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.06),transparent 60%)}
.page-hero h1{color:#fff;margin-bottom:8px;position:relative;z-index:1}
.page-hero p{color:#BFD0E2;max-width:640px;margin:0;position:relative;z-index:1}
.hero-kpis{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;position:relative;z-index:1}
.kpi-chip{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:5px 13px;font-size:12.5px;color:#DCE7F3;display:flex;gap:8px;align-items:center}
.kpi-chip b{color:#fff;font-size:13px}

/* ---------- 区块 ---------- */
.section{margin-bottom:30px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.section-head h2{margin:0}
.section-head .sub{color:var(--ink-3);font-size:13px}
.section-head .link-more{font-size:13.5px;color:var(--brand);font-weight:500}
.refresh-line{font-size:12px;color:var(--ink-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex-shrink:0}
.status-dot.live{background:#2BA24C;box-shadow:0 0 0 3px rgba(43,162,76,.18);animation:pulse 2s infinite}
.status-dot.stale{background:var(--accent)}
.status-dot.offline{background:#C0392B}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g-auto{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:18px;box-shadow:var(--shadow-sm)}
.card-hover{transition:box-shadow .18s ease,transform .18s ease}
.card-hover:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.card-title{font-size:14px;color:var(--ink-1);font-weight:600;display:flex;align-items:center;gap:8px;margin-bottom:10px}
.card-title .tag{font-size:11px;background:var(--brand-soft);color:var(--brand);padding:2px 8px;border-radius:999px;font-weight:500}

/* 行情卡片 */
.quote-row{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.quote-price{font-size:26px;font-weight:700;color:var(--ink-1);letter-spacing:-.02em}
.quote-chg{font-size:13.5px;font-weight:600;white-space:nowrap}
.quote-meta{font-size:12px;color:var(--ink-3);margin-top:6px}
.quote-mini{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:8px}
.quote-mini .name{font-size:13px;color:var(--ink-2);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.quote-mini .val{text-align:right}
.quote-mini .val b{font-size:14.5px;font-weight:600;color:var(--ink-1)}
.quote-mini .val span{display:block;font-size:11.5px}

/* 行情表 */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--r-md);background:#fff}
table.data{width:100%;border-collapse:collapse;table-layout:fixed;font-size:13.5px;min-width:560px}
table.data caption{display:none}
table.data th{background:var(--surface-2);color:var(--ink-3);font-weight:600;font-size:12.5px;text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
table.data td{padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap;color:var(--ink-2)}
table.data tbody tr:last-child td{border-bottom:none}
table.data tbody tr:hover{background:#FBFDFF}
table.data .nm{font-weight:600;color:var(--ink-1);overflow:hidden;text-overflow:ellipsis}
table.data .code{color:var(--ink-3);font-size:12px}

/* ---------- 图表容器 ---------- */
.chart-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 14px 8px;box-shadow:var(--shadow-sm)}
.chart-box .chart-title{font-size:14px;font-weight:600;color:var(--ink-1);display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:4px}
.chart{width:100%;height:360px}
.chart.chart-sm{height:260px}
.chart.chart-lg{height:420px}
.chart-loading{display:flex;align-items:center;justify-content:center;height:100%;color:var(--ink-3);font-size:13px;gap:8px}
.chart-loading::before{content:"";width:16px;height:16px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--brand);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 分时/切换 ---------- */
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:2px;gap:2px}
.seg button{border:none;background:transparent;padding:5px 14px;font-size:12.5px;color:var(--ink-2);border-radius:6px;cursor:pointer;font-family:inherit}
.seg button.active{background:var(--brand);color:#fff;font-weight:600}
.seg button:hover:not(.active){background:#fff}

/* ---------- 标签/徽章 ---------- */
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:500}
.pill-brand{background:var(--brand-soft);color:var(--brand)}
.pill-gold{background:#F6EEDC;color:var(--accent-deep)}
.pill-ghost{background:var(--surface-2);color:var(--ink-3);border:1px solid var(--line)}
.badge-cache{background:#FDEBD0;color:#9A6B00;font-size:11px;padding:1px 8px;border-radius:6px;font-weight:500}

/* ---------- 表单/工具 ---------- */
.tool-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow-sm)}
.tool-card h3{margin-bottom:14px;display:flex;align-items:center;gap:8px}
.tool-card h3 svg{width:20px;height:20px;stroke:var(--brand)}
.field{margin-bottom:13px}
.field label{display:block;font-size:13px;color:var(--ink-2);font-weight:500;margin-bottom:5px}
.field input,.field select{
  width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px;
  font-size:14.5px;color:var(--ink-1);background:#fff;font-family:inherit;
}
.field input:focus,.field select:focus{outline:2px solid var(--focus);outline-offset:-1px;border-color:transparent}
.field .hint{font-size:12px;color:var(--ink-3);margin-top:4px}
.btn{display:inline-flex;align-items:center;gap:6px;border:none;border-radius:8px;padding:9px 18px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;background:var(--brand);color:#fff;transition:background .15s}
.btn:hover{background:var(--brand-deep);color:#fff}
.btn-gold{background:var(--accent-deep);color:#fff}
.btn-gold:hover{background:#936F24;color:#fff}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand)}
.result-box{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:14px;font-size:14px;margin-top:14px;display:none}
.result-box.show{display:block}
.result-box .big{font-size:22px;font-weight:700;color:var(--brand)}
.result-box .rows{display:flex;flex-direction:column;gap:6px;margin-top:8px;font-size:13px;color:var(--ink-2)}
.result-box .rows b{color:var(--ink-1)}

/* ---------- 汇率换算 ---------- */
.converter{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:end}
.converter .swap{width:44px;height:44px;border-radius:10px;background:var(--brand-soft);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--brand)}
.converter .swap svg{width:18px;height:18px;stroke:currentColor}

/* ---------- 广告位 ---------- */
.ad-slot{background:#fff;border:1px dashed #C9D4E4;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;text-align:center;color:#A8B4C6;font-size:12px;letter-spacing:1px;overflow:hidden;position:relative}
.ad-slot .ad-label{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;z-index:1;pointer-events:none}
.ad-slot .ad-label small{font-size:10.5px;letter-spacing:.5px}
.ad-slot>*:not(.ad-label){position:relative;z-index:2}
.ad-leader{min-height:96px;margin-bottom:20px}
.ad-rect{min-height:280px}
.ad-banner{min-height:120px;margin-top:26px}
.ad-inline{min-height:120px;margin:18px 0}

/* ---------- 首页 ticker ---------- */
.ticker{background:var(--brand-deep);color:#CFDCEC;border-radius:10px;overflow:hidden;position:relative;margin-top:16px}
.ticker-track{display:flex;gap:0;animation:ticker 45s linear infinite;width:max-content;padding:9px 0}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-item{display:inline-flex;gap:8px;align-items:baseline;padding:0 20px;font-size:12.5px;white-space:nowrap;border-right:1px solid rgba(255,255,255,.12)}
.ticker-item b{color:#fff}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- 快速入口 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.entry{display:flex;flex-direction:column;gap:8px;padding:18px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;transition:all .18s}
.entry:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#CFD9E8}
.entry .ic{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--brand-soft)}
.entry .ic svg{width:22px;height:22px;stroke:var(--brand)}
.entry b{color:var(--ink-1);font-size:15px}
.entry span{font-size:12.5px;color:var(--ink-3);line-height:1.5}

/* ---------- 时间轴 ---------- */
.timeline{display:grid;grid-template-columns:110px 22px 1fr;row-gap:0;margin:6px 0}
.tl-time{padding:14px 0;font-size:13px;color:var(--ink-3);text-align:right;font-variant-numeric:tabular-nums}
.tl-axis{position:relative;display:flex;justify-content:center}
.tl-axis::before{content:"";position:absolute;top:0;bottom:0;width:2px;background:var(--line)}
.tl-dot{width:12px;height:12px;border-radius:50%;background:var(--accent);border:3px solid #fff;box-shadow:0 0 0 2px var(--accent);margin-top:18px;position:relative;z-index:1}
.tl-body{padding:12px 0 12px 18px}
.tl-body b{color:var(--ink-1);display:block;font-size:14.5px}
.tl-body span{font-size:13px;color:var(--ink-2);display:block;margin-top:2px}

/* ---------- FAQ ---------- */
.faq details{border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;margin-bottom:10px;overflow:hidden}
.faq summary{cursor:pointer;padding:13px 16px;font-weight:600;color:var(--ink-1);font-size:14.5px;list-style:none;display:flex;justify-content:space-between;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent-deep);font-size:18px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq .faq-body{padding:0 16px 14px;color:var(--ink-2);font-size:14px}

/* ---------- 通知条 ---------- */
.notice{display:flex;gap:10px;align-items:flex-start;background:#F6EEDC;border:1px solid #E8D9B4;color:#7A5C17;border-radius:var(--r-sm);padding:11px 14px;font-size:13px;margin-bottom:18px}
.notice svg{width:16px;height:16px;stroke:#9A6B00;flex-shrink:0;margin-top:2px}

/* ---------- 首页 hero ---------- */
.hero{background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 100%);border-radius:var(--r-lg);padding:44px 36px;color:#E4EDF7;position:relative;overflow:hidden;margin-bottom:20px}
.hero::before{content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(200,162,75,.3),transparent 65%)}
.hero::after{content:"";position:absolute;left:-60px;bottom:-100px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.07),transparent 60%)}
.hero h1{color:#fff;font-size:clamp(28px,4.4vw,46px);margin-bottom:12px;position:relative;z-index:1}
.hero .lead{font-size:clamp(14px,1.6vw,17px);color:#BFD0E2;max-width:620px;margin-bottom:22px;position:relative;z-index:1}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.hero-stats{display:flex;gap:26px;flex-wrap:wrap;margin-top:26px;position:relative;z-index:1}
.hero-stat b{display:block;font-size:22px;color:#fff;font-weight:700}
.hero-stat span{font-size:12px;color:#9FB6CE}

/* ---------- 覆盖入口 ---------- */
.cover-link{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--brand);font-weight:500}
.cover-link::after{content:"→";transition:transform .15s}
.cover-link:hover::after{transform:translateX(3px)}

/* ---------- 免责声明 ---------- */
.disclaimer{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-sm);padding:13px 16px;font-size:12.5px;color:var(--ink-3);line-height:1.7;margin-top:8px}

/* ---------- 404 ---------- */
.error-wrap{text-align:center;padding:80px 16px}
.error-wrap .code{font-size:72px;font-weight:800;color:var(--brand);letter-spacing:2px}
.error-wrap p{color:var(--ink-3);max-width:420px;margin:10px auto 24px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .entry-grid{grid-template-columns:repeat(3,1fr)}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav-list{display:none}
  .nav-toggle{display:flex}
}
@media (max-width:720px){
  .g2,.g3,.g4{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:20px}
  .chart{height:300px}
  .hero{padding:32px 22px}
  .hero-stats{gap:16px}
  .timeline{grid-template-columns:76px 20px 1fr}
  .converter{grid-template-columns:1fr;align-items:stretch}
  .converter .swap{align-self:center;width:40px;height:40px;margin:0 auto}
  .quote-price{font-size:22px}
}
@media (max-width:480px){
  .entry-grid{grid-template-columns:1fr 1fr;gap:10px}
  .entry{padding:14px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .ticker-track{animation:none}
  .status-dot.live{animation:none}
  *{transition:none !important}
}