:root {
  --bg: #12100e;
  --panel: #1b1815;
  --panel2: #232019;
  --line: #352e22;
  --red: #e84545;
  --red-strong: #d92626;
  --gold: #d9a84e;
  --gold-soft: #e8c77d;
  --text: #f0e9dc;
  --muted: #9a8f7d;
  --green: #2fae7a;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px; line-height: 1.5;
  background-image: radial-gradient(1200px 500px at 80% -10%, rgba(217,168,78,.08), transparent),
                    radial-gradient(900px 400px at 0% 110%, rgba(232,69,69,.07), transparent);
  min-height: 100vh; display: flex; flex-direction: column;
}

/* 顶栏 */
.topbar {
  display: flex; align-items: center; gap: 28px;
  padding: 14px 28px; border-bottom: 1px solid var(--line);
  background: rgba(18,16,14,.9); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(8px);
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 40px; height: 40px; }
.brand-cn { font-size: 22px; font-weight: 800; letter-spacing: 2px;
  background: linear-gradient(90deg, var(--red), var(--gold)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand-sub { display: block; font-size: 11px; color: var(--muted); letter-spacing: 1px; }
.tabs { display: flex; gap: 6px; margin-left: 8px; }
.tab {
  background: none; border: 1px solid transparent; color: var(--muted);
  padding: 8px 18px; font-size: 15px; cursor: pointer; border-radius: 8px; font-weight: 600;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--gold-soft); border-color: var(--line); background: var(--panel); }

.search-box { margin-left: auto; position: relative; width: 300px; }
.search-box input {
  width: 100%; background: var(--panel); border: 1px solid var(--line); color: var(--text);
  padding: 9px 14px; border-radius: 8px; outline: none; font-size: 13px;
}
.search-box input:focus { border-color: var(--gold); }
.search-list {
  position: absolute; top: 42px; left: 0; right: 0; background: var(--panel2);
  border: 1px solid var(--line); border-radius: 8px; overflow: hidden; z-index: 30;
}
.search-list div { padding: 9px 14px; cursor: pointer; display: flex; justify-content: space-between; }
.search-list div:hover { background: var(--panel); color: var(--gold-soft); }
.hidden { display: none !important; }

main { flex: 1; padding: 22px 28px; width: 100%; max-width: 1440px; margin: 0 auto; }

/* 潜力榜 */
.rank-bar { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.seg { display: flex; background: var(--panel); border: 1px solid var(--line); border-radius: 9px; padding: 3px; gap: 2px; }
.seg-btn {
  background: none; border: none; color: var(--muted); padding: 6px 16px;
  cursor: pointer; border-radius: 7px; font-size: 13px; font-weight: 600;
}
.seg-btn.active { background: linear-gradient(135deg, var(--red-strong), var(--gold)); color: #fff; }
.upd { margin-left: auto; color: var(--muted); font-size: 12px; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.rank-table { width: 100%; border-collapse: collapse; min-width: 980px; }
.rank-table th, .rank-table td { padding: 10px 12px; text-align: right; white-space: nowrap; }
.rank-table th { color: var(--muted); font-weight: 600; font-size: 12px; border-bottom: 1px solid var(--line); background: var(--panel2); }
.rank-table td { border-bottom: 1px solid rgba(53,46,34,.5); }
.rank-table th.left, .rank-table td.left { text-align: left; }
.rank-table tbody tr { cursor: pointer; transition: background .12s; }
.rank-table tbody tr:hover { background: rgba(217,168,78,.07); }
.rank-num { color: var(--muted); font-size: 12px; }
.s-name { font-weight: 700; }
.s-code { color: var(--muted); font-size: 12px; margin-left: 6px; }
.up { color: var(--red); font-weight: 700; }
.down { color: var(--green); font-weight: 700; }
.score-badge {
  display: inline-block; min-width: 44px; text-align: center; padding: 2px 8px; border-radius: 6px;
  font-weight: 800; color: #fff;
}
.score-hi { background: linear-gradient(135deg, var(--red-strong), var(--red)); }
.score-mid { background: linear-gradient(135deg, #b07a2a, var(--gold)); }
.score-lo { background: #3a352c; color: var(--muted); }
.analyze-btn {
  border: 1px solid var(--gold); background: none; color: var(--gold-soft);
  padding: 4px 12px; border-radius: 6px; cursor: pointer; font-size: 12px;
}
.analyze-btn:hover { background: var(--gold); color: #12100e; }
.loading { text-align: center; color: var(--muted); padding: 40px !important; }
.hint { color: var(--muted); font-size: 12px; margin-top: 12px; }

/* 个股分析 */
.detail-head {
  display: flex; align-items: center; gap: 36px; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 24px; margin-bottom: 18px;
}
.d-name h2 { font-size: 24px; display: inline; }
.d-code { margin-left: 10px; }
.d-price { display: flex; align-items: baseline; gap: 10px; }
.d-price span:first-child { font-size: 30px; font-weight: 800; }
.d-kv { display: flex; gap: 26px; flex-wrap: wrap; margin-left: auto; }
.d-kv .item { text-align: right; }
.d-kv .k { color: var(--muted); font-size: 11px; }
.d-kv .v { font-weight: 700; font-size: 14px; }

.chart-grid { display: grid; grid-template-columns: 3fr 2fr; gap: 16px; }
@media (max-width: 1000px) { .chart-grid { grid-template-columns: 1fr; } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.card h3 { font-size: 14px; color: var(--gold-soft); margin-bottom: 10px; font-weight: 700; }
.chart { width: 100%; }
.tall { height: 360px; }
.small { font-size: 12px; font-weight: 400; }

.tech-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-top: 16px; }
.tech-item { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.tech-item .k { color: var(--muted); font-size: 12px; }
.tech-item .v { font-size: 20px; font-weight: 800; margin-top: 4px; }
.tech-item .note { color: var(--muted); font-size: 11px; margin-top: 2px; }

/* 基本面分析 */
.finance-card { margin-top: 16px; }
.finance-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.fin-item { background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.fin-item .k { color: var(--muted); font-size: 12px; }
.fin-item .v { font-size: 20px; font-weight: 800; margin-top: 4px; }
.fin-item .note { color: var(--muted); font-size: 11px; margin-top: 2px; }

/* 智能建议卡片 */
.advice-card {
  border: 1px solid var(--line); border-radius: 12px; margin-bottom: 18px; overflow: hidden;
  background: linear-gradient(135deg, rgba(232,69,69,.10), rgba(217,168,78,.06));
}
.advice-head { display: flex; align-items: baseline; gap: 16px; padding: 16px 20px 12px; flex-wrap: wrap; }
.advice-verdict { font-size: 26px; font-weight: 800; letter-spacing: 1px; }
.advice-score { font-size: 13px; color: var(--muted); }
.advice-action {
  margin-left: auto; font-size: 13px; font-weight: 700; padding: 5px 14px; border-radius: 999px;
  background: var(--panel2); border: 1px solid var(--line);
}
.advice-body { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line); }
@media (max-width: 900px) { .advice-body { grid-template-columns: 1fr; } }
.advice-signals { padding: 14px 20px; }
.advice-levels { padding: 14px 20px; border-left: 1px solid var(--line); }
@media (max-width: 900px) { .advice-levels { border-left: none; border-top: 1px solid var(--line); } }
.advice-body h4 { font-size: 13px; color: var(--gold-soft); margin-bottom: 8px; }
.signal { display: flex; align-items: center; gap: 8px; font-size: 13px; margin-bottom: 6px; }
.signal .dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.signal.bull .dot { background: var(--red); }
.signal.bear .dot { background: var(--green); }
.signal.neutral .dot { background: var(--gold); }
.signal .w { margin-left: auto; color: var(--muted); font-size: 11px; }
.lvl { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 7px; }
.lvl .k { color: var(--muted); }
.lvl .v { font-weight: 700; }
.lvl .v.support { color: var(--gold-soft); }
.lvl .v.resist { color: var(--red); }
.verdict-bull { color: var(--red); }
.verdict-bear { color: var(--green); }
.verdict-neutral { color: var(--gold-soft); }
.advice-note { font-size: 11px; color: var(--muted); padding: 8px 20px 12px; }

footer { text-align: center; color: var(--muted); font-size: 12px; padding: 16px; border-top: 1px solid var(--line); }
.muted { color: var(--muted); }

/* 登录遮罩 */
.login-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(18,16,14,.96);
  display: flex; align-items: center; justify-content: center;
}
.login-box {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 34px 36px; width: 320px; text-align: center;
}
.login-title { font-size: 26px; font-weight: 800; letter-spacing: 2px;
  background: linear-gradient(90deg, var(--red), var(--gold)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.login-sub { color: var(--muted); font-size: 13px; margin: 8px 0 20px; }
.login-box input {
  width: 100%; background: var(--panel2); border: 1px solid var(--line); color: var(--text);
  padding: 10px 14px; border-radius: 8px; outline: none; font-size: 14px; text-align: center;
}
.login-box input:focus { border-color: var(--gold); }
.login-box button {
  width: 100%; margin-top: 14px; padding: 10px; border: none; border-radius: 8px;
  background: linear-gradient(135deg, var(--red-strong), var(--gold)); color: #fff;
  font-size: 15px; font-weight: 700; cursor: pointer;
}
.login-err { color: var(--red); font-size: 12px; margin-top: 10px; min-height: 16px; }