/* ============================================================
   美股新闻聚合 · 主样式（简约高端 · 深色金融风）
   字体：思源黑体 Noto Sans SC + JetBrains Mono
   ============================================================ */
:root{
  --bg:#0B0F17; --bg2:#101725; --card:#131B2C; --card-h:#182238;
  --line:#1D2941; --line2:#2A3A5C;
  --txt:#E8EEF7; --sub:#9AA8BF; --dim:#65738C;
  --gold:#E8B54D; --gold2:#F5CE7A;
  --up:#4ADE80; --down:#F87171;
  --mono:'JetBrains Mono',Consolas,monospace;
  --sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:var(--sans);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:color .2s}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.mono{font-family:var(--mono)}
.strong{font-weight:700}
.up{color:var(--up)}.down{color:var(--down)}
.up-text{color:var(--up)}.down-text{color:var(--down)}
.hidden{display:none}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(11,15,23,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:26px;height:62px}
.logo{display:flex;align-items:center;gap:9px;font-weight:900;font-size:17px;letter-spacing:.02em}
.logo-mark{color:var(--gold);font-size:14px}
.nav{display:flex;gap:4px;flex:1}
.nav-link{padding:7px 14px;border-radius:9px;color:var(--sub);font-size:14px;font-weight:500}
.nav-link:hover{color:var(--txt);background:var(--card)}
.header-right{display:flex;align-items:center;gap:10px}
.lang-switch{display:flex;gap:2px;background:var(--card);border:1px solid var(--line);border-radius:9px;padding:2px}
.lang-btn{padding:3px 10px;border-radius:7px;font-size:12.5px;color:var(--sub)}
.lang-btn.on{background:var(--line2);color:var(--gold2)}
.btn-ghost{padding:7px 16px;border-radius:9px;border:1px solid var(--line2);color:var(--sub);font-size:13.5px}
.btn-ghost:hover{color:var(--txt);border-color:var(--gold)}
.btn-gold{padding:7px 16px;border-radius:9px;background:linear-gradient(135deg,var(--gold),#C99530);color:#1A1206;font-size:13.5px;font-weight:700}
.btn-gold:hover{filter:brightness(1.1)}
.btn-ghost.big{padding:10px 30px;font-size:14px}

/* ---------- 指数 ticker ---------- */
.ticker-bar{border-bottom:1px solid var(--line);background:var(--bg2);overflow-x:auto}
.ticker-inner{display:flex;gap:26px;height:40px;align-items:center;min-width:max-content}
.ticker-item{display:flex;align-items:center;gap:8px;font-size:13px;white-space:nowrap}
.ticker-item b{color:var(--sub);font-family:var(--mono);font-size:12px}

/* ---------- 首页新闻流 ---------- */
.main{padding:28px 20px 80px}
.feed-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.feed-title{display:flex;align-items:center;gap:12px}
.feed-title h1{font-size:21px;font-weight:900;letter-spacing:.04em}
.live-dot{width:9px;height:9px;border-radius:50%;background:var(--down);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(248,113,113,.5)}50%{opacity:.6;box-shadow:0 0 0 7px rgba(248,113,113,0)}}
.search{width:280px;padding:9px 16px;border-radius:11px;border:1px solid var(--line2);background:var(--card);color:var(--txt);font-size:13.5px;outline:none;transition:.25s}
.search:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(232,181,77,.12)}
.search::placeholder{color:var(--dim)}

.news-feed{display:flex;flex-direction:column;gap:10px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;transition:.2s}
.news-card:hover{border-color:var(--line2);background:var(--card-h);transform:translateY(-1px)}
.news-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:7px}
.badge{font-size:11px;padding:2px 9px;border-radius:99px;border:1px solid var(--line2);color:var(--sub)}
.badge.source{color:var(--gold2);border-color:rgba(232,181,77,.4)}
.badge.ticker{color:#8ED0F5;border-color:rgba(79,195,247,.35)}
.news-meta .time{margin-left:auto;font-size:12px;color:var(--dim);font-family:var(--mono)}
.news-title{font-size:15.5px;font-weight:700;line-height:1.5}
.news-title a:hover{color:var(--gold2)}
.news-excerpt{font-size:13.5px;color:var(--sub);margin-top:5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feed-more{text-align:center;margin-top:22px}
.feed-end{color:var(--dim);font-size:13px}

/* ---------- 行情页 ---------- */
.page-title{font-size:21px;font-weight:900;margin-bottom:18px;letter-spacing:.03em}
.cap-tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.cap-tab{padding:7px 18px;border-radius:10px;border:1px solid var(--line);color:var(--sub);font-size:13.5px;background:var(--card)}
.cap-tab.on{color:var(--gold2);border-color:rgba(232,181,77,.5);background:rgba(232,181,77,.08)}
.quote-table-wrap{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:auto}
.quote-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:560px}
.quote-table th{text-align:left;padding:12px 18px;color:var(--dim);font-weight:500;border-bottom:1px solid var(--line2);font-size:12px;letter-spacing:.06em}
.quote-table td{padding:11px 18px;border-bottom:1px solid var(--line)}
.quote-table tr:last-child td{border-bottom:none}
.quote-table tr:hover td{background:var(--card-h)}
.num{text-align:right}

/* ---------- 动量页 ---------- */
.momentum-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:14px}
.panel-title{font-size:14px;font-weight:700;letter-spacing:.05em;margin-bottom:12px}
.mover-list{list-style:none}
.mover-item{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.mover-item:last-child{border-bottom:none}
.mover-name{flex:1;color:var(--sub);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hot-list{display:flex;flex-direction:column}
.hot-item{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--line);align-items:center}
.hot-item:last-child{border-bottom:none}
.hot-item:hover .hot-title{color:var(--gold2)}
.hot-title{font-size:14px;font-weight:500;flex:1}
.hot-item .time{font-family:var(--mono);font-size:12px;color:var(--dim);white-space:nowrap}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);margin-top:30px;padding:26px 0}
.footer-inner{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;color:var(--dim);font-size:12.5px}
.footer-logo{font-weight:700;color:var(--sub)}

/* ---------- 用户/会员 ---------- */
.auth-main{display:flex;justify-content:center;padding-top:60px}
.auth-card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:34px 32px}
.auth-title{font-size:19px;font-weight:900;margin-bottom:22px;letter-spacing:.03em}
.field{display:block;margin-bottom:14px}
.field span{display:block;font-size:12.5px;color:var(--sub);margin-bottom:6px}
.field input{width:100%;padding:11px 14px;border-radius:11px;border:1px solid var(--line2);background:var(--bg2);color:var(--txt);font-size:14px;outline:none;transition:.25s}
.field input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(232,181,77,.12)}
.auth-msg{color:var(--down);font-size:13px;margin-bottom:10px}
.block{width:100%;padding:12px;font-size:14.5px;cursor:pointer;border:none}
.auth-switch{display:block;text-align:center;margin-top:16px;font-size:13px;color:var(--sub)}
.auth-switch:hover{color:var(--gold2)}
.member-head{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.member-email{font-size:15px;font-weight:700}
.member-plan{font-size:13.5px;color:var(--sub);margin-top:4px}
.section-title{font-size:15.5px;font-weight:800;margin:26px 0 12px;letter-spacing:.03em}
.plans-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.plan-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.plan-card h3{font-size:16px;margin-bottom:10px}
.plan-pro{border-color:rgba(232,181,77,.45);background:linear-gradient(160deg,rgba(232,181,77,.06),var(--card))}
.plan-prices{list-style:none}
.plan-prices li{display:flex;align-items:center;gap:10px;padding:7px 0;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--sub)}
.plan-prices li:last-child{border-bottom:none}
.plan-prices b{color:var(--gold2)}
.btn-gold.small{margin-left:auto;padding:5px 14px;font-size:12px;cursor:pointer;border:none;border-radius:8px}
.plan-desc{color:var(--sub);font-size:13.5px}

/* ---------- 动效 ---------- */
.fade-in{animation:fadeIn .45s ease both}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- 响应式 ---------- */
@media(max-width:760px){
  .nav{display:none}
  .momentum-grid{grid-template-columns:1fr}
  .search{width:100%}
  .feed-head{flex-direction:column;align-items:stretch}
}

/* ---------- 收银台 ---------- */
.checkout{max-width:460px;margin:0 auto;text-align:center}
.checkout-scan{color:var(--sub);font-size:13.5px;margin-bottom:16px}
.checkout-qr{display:inline-block;background:#fff;padding:12px;border-radius:12px;margin-bottom:18px}
.checkout-qr img,.checkout-qr canvas{display:block}
.checkout-row{display:flex;align-items:center;gap:10px;padding:11px 0;border-top:1px solid var(--line);font-size:13.5px;text-align:left;flex-wrap:wrap}
.checkout-row .dim{color:var(--sub);min-width:76px}
.checkout-amount{color:var(--gold2);font-size:17px}
.checkout-addr{display:flex;align-items:center;gap:8px;flex:1;min-width:220px}
.checkout-addr .mono{flex:1;word-break:break-all;font-size:12.5px}
.checkout-status{margin-top:16px;font-size:13.5px;color:var(--sub);animation:fadeIn .45s ease both}
.checkout-status.ok{color:var(--up)}
.checkout-status.bad{color:var(--down)}