/* ============================================================
   HX量化 · ming.tax — 浅色商务风（V2 Redesign）
   机构级浅色：深蓝 × 白 × 石板灰，金色仅作品牌点缀
   ============================================================ */
:root{
  --bg:#f5f7fb;
  --bg2:#eef1f7;
  --card:#ffffff;
  --card2:#f8fafd;
  --line:#e6ebf3;
  --line-strong:#d5dce8;
  --blue:#1e50d6;
  --blue-deep:#173a9c;
  --blue-ink:#142a66;
  --gold:#b98a12;
  --gold-deep:#96700c;
  --green:#16a34a;
  --red:#dc2626;
  --ink:#1a2436;
  --text:#25324a;
  --muted:#5b6b84;
  --muted2:#8fa0b8;
  --radius:12px;
  --shadow:0 10px 30px rgba(26,36,54,.06);
  --shadow-sm:0 4px 14px rgba(26,36,54,.05);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --mono:"SF Mono","Cascadia Code",Consolas,"Courier New",monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:15px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img,svg{display:block}
.container{max-width:1120px;margin:0 auto;padding:0 22px}
.num,.stat-num,.kpi-val,.contact-num,th,td,.chart-note,.rep-line b{font-variant-numeric:tabular-nums}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font);font-size:14.5px;font-weight:600;
  padding:11px 20px;border-radius:10px;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
  white-space:nowrap;user-select:none;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:linear-gradient(135deg,var(--blue),#3b6df0);color:#fff;box-shadow:0 8px 20px rgba(30,80,214,.25)}
.btn-primary:hover{box-shadow:0 10px 26px rgba(30,80,214,.36);transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue-deep)}
.btn-live{background:#fff;border-color:#f3c6c9;color:#c62828}
.btn-live:hover{background:#fdf1f1;border-color:var(--red);color:var(--red)}
.btn-sm{padding:8px 14px;font-size:13.5px;border-radius:9px}
.btn-lg{padding:14px 26px;font-size:16px;border-radius:12px}
.btn-block{width:100%}
.btn-copy{background:var(--card2);border:1px solid var(--line-strong);color:var(--ink);padding:9px 16px;font-size:13.5px}
.btn-copy:hover{border-color:var(--blue);color:var(--blue-deep)}
.live-dot{width:9px;height:9px;border-radius:50%;background:var(--red);display:inline-block;animation:pulse 1.6s ease-in-out infinite;flex:none}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(220,38,38,.4)}55%{box-shadow:0 0 0 7px rgba(220,38,38,0)}}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:62px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{display:flex}
.brand-text{font-weight:800;font-size:17px;letter-spacing:.5px;color:var(--ink);display:flex;flex-direction:column;line-height:1.15}
.brand-text small{font-size:10.5px;font-weight:500;color:var(--muted);letter-spacing:.4px}
.main-nav{display:flex;gap:4px;margin-left:auto}
.main-nav a{padding:8px 14px;border-radius:8px;color:var(--muted);font-size:14px;font-weight:500;transition:color .15s,background .15s}
.main-nav a:hover{color:var(--blue-deep);background:rgba(30,80,214,.06)}
.header-inner .btn-live{margin-left:6px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:84px 0 30px;overflow:hidden;background:
  radial-gradient(900px 480px at 80% -10%,rgba(59,109,240,.08),transparent 60%),
  radial-gradient(700px 420px at 5% 110%,rgba(185,138,18,.06),transparent 60%)}
.hero-bg{
  position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(rgba(30,80,214,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(30,80,214,.035) 1px,transparent 1px);
  background-size:44px 44px,44px 44px;
  mask-image:linear-gradient(180deg,#000 25%,transparent 90%);
  -webkit-mask-image:linear-gradient(180deg,#000 25%,transparent 90%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:54px;align-items:center}
.eyebrow{display:flex;align-items:center;gap:10px;color:var(--gold-deep);font-size:12.5px;font-weight:700;letter-spacing:2.2px;text-transform:uppercase}
.eyebrow-line{width:30px;height:2px;background:var(--gold);border-radius:2px}
.hero-title{font-size:clamp(34px,4.6vw,54px);line-height:1.14;font-weight:900;letter-spacing:.5px;margin:20px 0 18px;color:var(--ink)}
.hero-title .hl{color:var(--blue-deep)}
.hero-sub{color:var(--muted);font-size:16px;line-height:1.85;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-tags{display:flex;gap:22px;flex-wrap:wrap;color:var(--muted);font-size:13.5px}
.hero-tags li{display:inline-flex;align-items:center;gap:6px}
.hero-tags svg{color:var(--blue)}

/* 直播间卡片 */
.live-card{
  background:var(--card);
  border:1px solid var(--line-strong);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
}
.live-card-head{display:flex;align-items:center;justify-content:space-between;padding:13px 18px;border-bottom:1px solid var(--line)}
.live-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#c62828}
.live-platform{color:var(--muted2);font-size:12px;letter-spacing:.4px}
.live-screen{position:relative;margin:16px 18px 4px;padding:26px 18px 20px;border-radius:12px;background:linear-gradient(180deg,#f2f6ff,var(--card2));border:1px solid var(--line);text-align:center}
.live-cam{margin:0 auto 14px;color:var(--blue)}
.live-screen-text{color:var(--muted);font-size:13px;margin-bottom:18px}
.live-screen .btn{position:relative}
.live-records{padding:14px 18px 6px}
.live-records-title{display:flex;align-items:baseline;justify-content:space-between;font-size:12.5px;color:var(--muted);font-weight:600;letter-spacing:.5px;margin-bottom:6px}
.live-records-title small{color:var(--muted2);font-size:11px;font-weight:400}
.tick-list li{
  display:flex;align-items:center;gap:10px;padding:6.5px 0;border-bottom:1px dashed var(--line);
  font-family:var(--mono);font-size:12.5px;color:var(--muted);
}
.tick-list li:last-child{border-bottom:none}
.tick-empty{justify-content:center;color:var(--muted2)}
.tick-time{color:var(--muted2);flex:none}
.tick-id{color:var(--muted2);flex:none;font-size:11px}
.tick-val{margin-left:auto;font-weight:700;font-size:13px}
.tick-flow{color:var(--gold-deep);font-size:11.5px;font-weight:600;flex:none}
.tick-val.up{color:var(--green)}
.tick-val.down{color:var(--red)}
.live-card-foot{display:flex;gap:10px;padding:12px 18px 16px;border-top:1px solid var(--line);margin-top:8px}
.foot-chip{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 6px;border:1px solid var(--line);border-radius:9px;font-size:12.5px;color:var(--muted);background:var(--card2);transition:all .15s}
.foot-chip svg{color:var(--blue)}
.foot-chip:hover{border-color:var(--blue);color:var(--blue-deep);background:#fff}

/* 数据条 */
.stats-strip{
  position:relative;display:grid;grid-template-columns:repeat(5,1fr);
  margin-top:64px;border:1px solid var(--line-strong);border-radius:var(--radius);
  background:var(--card);box-shadow:var(--shadow);overflow:hidden;
}
.stat{padding:20px 18px;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat dt{font-size:12px;color:var(--muted);letter-spacing:.6px;margin-bottom:8px}
.stat-num{font-size:24px;font-weight:800;letter-spacing:.3px;color:var(--ink)}
.stat-num.up{color:var(--green)}
.stat-num.down{color:var(--red)}
.stat-num.star{color:var(--blue-deep);font-size:19px}
.stat-time{font-size:19px}
.stat-note{font-size:11.5px;color:var(--muted2);margin-top:5px}

/* ---------- 通用区块 ---------- */
.section{padding:86px 0}
.section-alt{background:var(--bg2)}
.section-head{max-width:680px;margin-bottom:40px}
.section-title{font-size:clamp(26px,3.4vw,36px);font-weight:900;margin:14px 0 10px;letter-spacing:.4px;color:var(--ink)}
.section-sub-inline{font-style:normal;font-size:.52em;color:var(--gold-deep);font-weight:800;letter-spacing:1px;vertical-align:middle;text-transform:uppercase}
.section-title em{vertical-align:middle}
.section-sub{color:var(--muted);font-size:15px}
.section-sub b{color:var(--ink);font-weight:600}

.update-bar{
  display:inline-flex;align-items:center;gap:9px;margin-bottom:24px;padding:8px 16px;
  border:1px solid var(--line);border-radius:999px;background:var(--card);
  color:var(--muted);font-size:13px;box-shadow:var(--shadow-sm);
}
.update-bar svg{color:var(--blue);flex:none}
.update-bar b{color:var(--ink)}

/* 面板 */
.panel{background:var(--card);border:1px solid var(--line-strong);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.panel-head h3{font-size:16px;font-weight:800;letter-spacing:.3px;color:var(--ink)}
.panel-tip{color:var(--muted2);font-size:12.5px}
.panel-tip b{color:var(--muted)}

/* 盈亏播报卡片（与 C端 播报同格式） */
.report-block{font-size:14.5px;line-height:2.05;padding:4px 2px}
.rep-line{display:flex;gap:9px;align-items:baseline;flex-wrap:wrap}
.rep-line b{font-weight:700;color:var(--ink)}
.rep-sep{color:var(--muted2);font-size:12px;letter-spacing:1.5px;margin:16px 0 4px;padding-top:12px;border-top:1px dashed var(--line)}
.rep-sep:first-of-type{margin-top:6px}
.rep-rounds{margin:6px 0 2px}
.rep-round{color:#3d4d6d;font-size:13.5px}
.rep-round .up{color:var(--green);font-weight:700}
.rep-round .down{color:var(--red);font-weight:700}
.rep-loading{color:var(--muted2)}

/* 特性卡片 */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:34px}
.feature-card{
  background:var(--card);border:1px solid var(--line-strong);border-radius:var(--radius);
  padding:24px 20px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;box-shadow:var(--shadow-sm);
}
.feature-card:hover{transform:translateY(-4px);border-color:#bcd0f7;box-shadow:0 14px 34px rgba(26,36,54,.09)}
.f-icon{display:inline-flex;padding:11px;border-radius:11px;background:rgba(30,80,214,.08);color:var(--blue);margin-bottom:16px}
.feature-card h3{font-size:15.5px;font-weight:800;margin-bottom:9px;color:var(--ink)}
.feature-card p{font-size:13px;color:var(--muted);line-height:1.75}
.risk-note{
  display:flex;gap:13px;align-items:flex-start;padding:16px 20px;border-radius:12px;
  border:1px solid #f0d9a8;background:#fffbea;color:#7a5b12;font-size:13px;line-height:1.8;
}
.risk-note svg{flex:none;margin-top:3px;color:#b98a12}
.risk-note b{color:#6b4e0a}

/* CTA 直播横幅（深蓝品牌带） */
.cta-panel{
  display:grid;grid-template-columns:1.5fr 1fr;gap:34px;align-items:center;
  padding:44px 46px;border-radius:18px;position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(700px 300px at 90% -20%,rgba(59,109,240,.45),transparent 55%),linear-gradient(135deg,#142a66,#1e50d6 60%,#2445a8);
  box-shadow:0 18px 44px rgba(20,42,102,.32);
}
.cta-panel .eyebrow{color:#a9c0ff}
.cta-panel .eyebrow-line{background:#8fb0ff}
.cta-title{font-size:clamp(24px,3vw,32px);font-weight:900;margin:12px 0 10px;color:#fff}
.cta-sub{color:#c3d2f5;font-size:15px;margin-bottom:26px}
.cta-panel .btn-primary{background:#fff;color:var(--blue-deep);box-shadow:0 8px 22px rgba(0,0,0,.18)}
.cta-panel .btn-primary:hover{box-shadow:0 10px 28px rgba(0,0,0,.26)}
.cta-panel .btn-primary svg{color:var(--blue-deep)}
.cta-aside{display:flex;flex-direction:column;gap:14px}
.mini-stat{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;border:1px solid rgba(255,255,255,.16);border-radius:10px;background:rgba(255,255,255,.08)}
.mini-label{color:#a9bce6;font-size:12.5px}
.mini-val{font-size:13.5px;font-weight:700;color:#fff}
.live-on{color:#ffb3b8;display:inline-flex;align-items:center;gap:8px}

/* 联系卡片 */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.contact-card{
  background:var(--card);border:1px solid var(--line-strong);border-radius:var(--radius);
  padding:30px 24px;text-align:center;transition:transform .2s,border-color .2s,box-shadow .2s;box-shadow:var(--shadow-sm);
}
.contact-card:hover{transform:translateY(-4px);border-color:#bcd0f7;box-shadow:0 14px 34px rgba(26,36,54,.09)}
.contact-card.highlight{border-color:#c9d8f8;background:linear-gradient(180deg,#f2f6ff,var(--card))}
.c-icon{display:inline-flex;padding:13px;border-radius:13px;margin-bottom:15px}
.c-icon.c-qq{background:rgba(22,163,74,.09);color:var(--green)}
.c-icon.c-tg{background:rgba(30,80,214,.09);color:var(--blue)}
.contact-card h3{font-size:16px;font-weight:800;margin-bottom:8px;color:var(--ink)}
.contact-num{font-family:var(--mono);font-size:17.5px;font-weight:700;color:var(--ink);letter-spacing:1px}
.contact-num.big{font-size:21px;color:var(--blue-deep)}
.contact-tip{font-size:12.5px;color:var(--muted2);margin:8px 0 16px}
.contact-card .btn-copy{margin:0 5px 10px}
.contact-card .btn-primary{margin-top:6px}

/* 页脚（深蓝品牌带） */
.site-footer{background:linear-gradient(135deg,#101c3d,#16264f);padding:30px 0;border-top:1px solid rgba(255,255,255,.08)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text small{color:#93a7d6}
.footer-note{color:#93a7d6;font-size:12.5px}

/* Toast */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);
  background:#fff;border:1px solid var(--line-strong);color:var(--ink);
  padding:11px 22px;border-radius:999px;font-size:13.5px;box-shadow:0 12px 32px rgba(26,36,54,.18);
  opacity:0;pointer-events:none;transition:all .25s ease;z-index:99;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 滚动入场 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.seen{opacity:1;transform:none}
@supports (animation-timeline: view()){
  .reveal{animation:rise linear both;animation-timeline:view();animation-range:entry 0% entry 42%}
  .reveal.seen{animation:none;opacity:1;transform:none}
}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .hero{ padding:54px 0 20px}
  .hero-inner{grid-template-columns:1fr;gap:38px}
  .stats-strip{grid-template-columns:repeat(3,1fr);margin-top:44px}
  .stat:nth-child(3){border-right:none}
  .stat:nth-child(4),.stat:nth-child(5){border-top:1px solid var(--line)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:32px 26px}
}
@media (max-width:640px){
  .main-nav{display:none}
  .header-inner .btn-live{margin-left:auto}
  .hero-title{font-size:32px}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .stat{border-right:none;border-bottom:1px solid var(--line)}
  .stat:nth-child(odd){border-right:1px solid var(--line)}
  .stat:nth-child(n+5){display:none}
  .stat-num{font-size:20px}
  .card-grid{grid-template-columns:1fr}
  .section{padding:62px 0}
  .live-card-foot{flex-direction:column}
  .panel{padding:18px 16px}
  .hero-actions .btn{width:100%}
}