/* ============================================================
   猎星计划 STARHUNT · 首页样式
   深色底 + 橙色主色（涨色）；涨=橙、跌=绿（中国习惯）
   ============================================================ */

:root{
  --bg:#0A0C11;
  --bg-soft:#0E1117;
  --surface:#131823;
  --surface-2:#181E2B;
  --surface-3:#1E2534;
  --line:#222A38;
  --line-2:#2C3648;
  --text:#E9ECF3;
  --text-2:#A7B0C0;
  --muted:#7C8698;
  --o1:#FF9A3C;
  --o2:#FF7A1A;
  --o3:#EA5B0B;
  --up:#FF7A1A;
  --down:#2FBF71;
  --r-sm:10px;
  --r:14px;
  --r-lg:20px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.85);
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------------------------------------------------------------- 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:15px;font-weight:600;line-height:1;
  padding:14px 24px;border-radius:var(--r-sm);border:1px solid transparent;
  cursor:pointer;transition:transform .16s ease,box-shadow .2s ease,background .2s ease;
  white-space:nowrap;
}
.btn .arw{transition:transform .18s ease}
.btn:hover .arw{transform:translateX(3px)}
.btn-primary{
  background:linear-gradient(135deg,var(--o1) 0%,var(--o2) 48%,var(--o3) 100%);
  color:#1B0D02;
  box-shadow:0 10px 26px -10px rgba(255,122,26,.7);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -12px rgba(255,122,26,.85)}
.btn-ghost{
  background:rgba(255,255,255,.03);color:var(--text);border-color:var(--line-2);
}
.btn-ghost:hover{background:rgba(255,255,255,.07);border-color:#3B465C;transform:translateY(-2px)}
.btn-lg{padding:16px 30px;font-size:16px}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------------------------------------------------------------- 导航 */
.nav{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,17,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .25s ease,background .25s ease;
}
.nav.is-scrolled{border-bottom-color:var(--line);background:rgba(10,12,17,.92)}
.nav-in{
  max-width:1180px;margin:0 auto;padding:11px 24px;
  display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:13px;flex:0 0 auto}
.brand-mark{width:46px;height:46px;border-radius:13px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text b{font-size:16px;font-weight:600;letter-spacing:.06em}
.brand-text em{font-style:normal;font-size:9px;letter-spacing:.3em;color:var(--muted)}
.nav-links{display:flex;gap:26px;margin-left:auto}
.nav-links a{font-size:14px;color:var(--text-2);transition:color .18s}
.nav-links a:hover{color:var(--o1)}
.nav-act{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.burger{display:none;width:40px;height:40px;border-radius:9px;background:rgba(255,255,255,.04);
        border:1px solid var(--line-2);cursor:pointer;padding:0;position:relative}
.burger i{position:absolute;left:11px;width:18px;height:1.5px;background:var(--text);border-radius:2px;transition:.2s}
.burger i:nth-child(1){top:14px}.burger i:nth-child(2){top:19.5px}.burger i:nth-child(3){top:25px}
.burger[aria-expanded="true"] i:nth-child(1){top:19.5px;transform:rotate(45deg)}
.burger[aria-expanded="true"] i:nth-child(2){opacity:0}
.burger[aria-expanded="true"] i:nth-child(3){top:19.5px;transform:rotate(-45deg)}
.nav-mobile{display:none;padding:0 24px 20px;flex-direction:column;gap:4px;border-top:1px solid var(--line)}
.nav-mobile a{padding:12px 2px;font-size:15px;color:var(--text-2);border-bottom:1px solid rgba(255,255,255,.04)}
.nav-mobile .btn{margin-top:14px;border-bottom:0}
.nav-mobile.is-open{display:flex}

/* ---------------------------------------------------------------- Hero */
.hero{position:relative;padding:78px 0 30px;overflow:hidden}
.hero-glow{
  position:absolute;top:-320px;right:-180px;width:900px;height:900px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(255,122,26,.20),rgba(255,122,26,.06) 55%,transparent 78%);
}
.hero-stars{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 22%,rgba(255,255,255,.55),transparent),
    radial-gradient(1.2px 1.2px at 78% 12%,rgba(255,154,60,.85),transparent),
    radial-gradient(1.1px 1.1px at 34% 68%,rgba(255,255,255,.35),transparent),
    radial-gradient(1.6px 1.6px at 62% 44%,rgba(255,255,255,.28),transparent),
    radial-gradient(1.1px 1.1px at 88% 72%,rgba(255,154,60,.6),transparent),
    radial-gradient(1.3px 1.3px at 22% 88%,rgba(255,255,255,.3),transparent),
    radial-gradient(1px 1px at 52% 8%,rgba(255,255,255,.4),transparent),
    radial-gradient(1.2px 1.2px at 5% 55%,rgba(255,255,255,.25),transparent);
  background-repeat:no-repeat;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.06fr);
  gap:56px;align-items:center;
}
.pill{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;color:#FFD9B4;background:rgba(255,122,26,.10);
  border:1px solid rgba(255,122,26,.3);border-radius:999px;padding:6px 14px;margin-bottom:22px;
}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--o2);box-shadow:0 0 0 0 rgba(255,122,26,.6);
          animation:pulse 2.2s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,122,26,.55)}
  70%{box-shadow:0 0 0 9px rgba(255,122,26,0)}
  100%{box-shadow:0 0 0 0 rgba(255,122,26,0)}
}
.hero h1{font-size:clamp(32px,4.1vw,50px);letter-spacing:-.02em;margin-bottom:20px}
.hero h1 br{display:block}
.hero .lede{font-size:16.5px;color:var(--text-2);max-width:560px;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-hint{margin-top:16px;font-size:13px;color:var(--muted)}

/* ---------------------------------------------------------- 控制台面板 */
.hero-panel{position:relative}
.hero-panel::before{
  content:"";position:absolute;inset:-40px -30px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(255,122,26,.16),transparent 72%);
  filter:blur(6px);
}
.console{
  position:relative;background:linear-gradient(180deg,#151B27 0%,#10151F 100%);
  border:1px solid var(--line-2);border-radius:var(--r-lg);box-shadow:var(--shadow);
  overflow:hidden;
}
.console-bar{
  display:flex;align-items:center;gap:8px;padding:13px 18px;
  background:rgba(255,255,255,.025);border-bottom:1px solid var(--line);
}
.dot{width:10px;height:10px;border-radius:50%;background:#2C3648;flex:0 0 auto}
.dot:nth-child(1){background:#3A4358}
.console-title{margin-left:8px;font-size:13px;color:var(--text-2);letter-spacing:.04em}
.console-live{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;color:#7EE2B0;background:rgba(47,191,113,.1);
  border:1px solid rgba(47,191,113,.28);border-radius:999px;padding:3px 10px;
}
.console-live i{width:6px;height:6px;border-radius:50%;background:var(--down);animation:pulse2 2.4s infinite}
@keyframes pulse2{0%,100%{opacity:1}50%{opacity:.35}}
.console-head{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border-bottom:1px solid var(--line);
}
.console-head > div{background:#121824;padding:14px 18px}
.console-head .k{display:block;font-size:11px;color:var(--muted);letter-spacing:.06em;margin-bottom:4px}
.console-head b{font-size:19px;font-weight:600;font-variant-numeric:tabular-nums}
.console-rows{padding:6px 0}
.crow{
  display:grid;grid-template-columns:26px minmax(0,1fr) 84px 78px;
  align-items:center;gap:12px;padding:11px 18px;
  border-bottom:1px solid rgba(255,255,255,.035);
}
.crow:last-child{border-bottom:0}
.crow .rank{font-size:11px;color:var(--muted)}
.crow .cname{font-size:13.5px;line-height:1.35;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.crow .cname em{display:block;font-style:normal;font-size:11px;color:var(--muted);margin-top:2px;
                overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.crow .cret{text-align:right;font-size:14px;font-weight:600;font-variant-numeric:tabular-nums}
.cret.up{color:var(--up)}
.cret.down{color:var(--down)}
.spark{width:84px;height:26px;overflow:visible}
.spark.up{color:var(--up)}
.spark.down{color:var(--down)}
.spark path{fill:none;stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}
.spark.up path{stroke:var(--up)}
.spark.down path{stroke:var(--down)}
.console-foot{
  padding:11px 18px;border-top:1px solid var(--line);background:rgba(255,255,255,.02);
  font-size:11.5px;color:var(--muted);}

/* ---------------------------------------------------------------- 数据条 */
.stats-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-soft);margin-top:44px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stats > div{padding:30px 26px;border-right:1px solid var(--line)}
.stats > div:last-child{border-right:0}
.stats b{display:block;font-size:30px;font-weight:600;line-height:1.1;font-variant-numeric:tabular-nums;
         background:linear-gradient(135deg,var(--o1),var(--o3));-webkit-background-clip:text;background-clip:text;
         -webkit-text-fill-color:transparent;color:var(--o2)}
.stats span{display:block;margin-top:8px;font-size:13.5px;color:var(--text-2)}

/* ---------------------------------------------------------------- 区块 */
.sec{padding:92px 0}
.sec-alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:640px;margin-bottom:48px}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.22em;color:var(--o1);
  text-transform:uppercase;margin-bottom:14px;
}
.sec-head h2{font-size:clamp(24px,2.7vw,34px);margin-bottom:14px}
.sec-head p{color:var(--text-2);font-size:15.5px}

/* ---------------------------------------------------------------- 能力卡 */
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fcard{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px 26px 30px;
  transition:border-color .2s ease,transform .2s ease,background .2s ease;position:relative;overflow:hidden;
}
.fcard::after{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--o1),var(--o3));transition:width .3s ease;
}
.fcard:hover{border-color:var(--line-2);transform:translateY(-3px);background:var(--surface-2)}
.fcard:hover::after{width:100%}
.ficon{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:20px;
  background:rgba(255,122,26,.10);border:1px solid rgba(255,122,26,.24);
}
.ficon svg{width:22px;height:22px;stroke:var(--o1);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.fcard h3{font-size:17px;margin-bottom:10px}
.fcard p{font-size:14.5px;color:var(--text-2)}

/* ---------------------------------------------------------------- 策略实况 */
.live-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scard{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;
  transition:border-color .2s ease,transform .2s ease;
}
.scard:hover{border-color:var(--line-2);transform:translateY(-3px)}
.scard-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.scard-top .rank{font-size:11px;color:var(--muted);letter-spacing:.08em}
.sbadge{
  font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;
  padding:4px 11px;border-radius:999px;
}
.sbadge.up{color:var(--up);background:rgba(255,122,26,.11);border:1px solid rgba(255,122,26,.28)}
.sbadge.down{color:var(--down);background:rgba(47,191,113,.1);border:1px solid rgba(47,191,113,.26)}
.scard h3{font-size:14.5px;line-height:1.45;margin-bottom:7px;min-height:42px}
.smeta{font-size:12px;color:var(--muted);margin-bottom:16px}
.spark-lg{width:100%;height:44px;margin-bottom:16px}
.srow{display:flex;gap:22px;margin:0;padding-top:14px;border-top:1px solid var(--line)}
.srow > div{flex:1}
.srow dt{font-size:11px;color:var(--muted);margin-bottom:4px}
.srow dd{margin:0;font-size:14px;font-variant-numeric:tabular-nums}
.disclaimer{
  margin-top:30px;font-size:12.5px;line-height:1.9;color:var(--muted);
  background:rgba(255,255,255,.02);border:1px solid var(--line);border-left:2px solid var(--o3);
  border-radius:0 var(--r-sm) var(--r-sm) 0;padding:18px 22px;max-width:none;
}
.disclaimer b{color:var(--text-2);font-weight:600}

/* ---------------------------------------------------------------- 流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.fstep{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;
  position:relative;
}
.fstep .num{
  font-size:12px;letter-spacing:.14em;color:var(--o1);
  display:inline-block;margin-bottom:14px;
}
.fstep h3{font-size:16px;margin-bottom:9px}
.fstep p{font-size:14px;color:var(--text-2)}
.fstep::before{
  content:"";position:absolute;right:-19px;top:50%;width:20px;height:1px;
  background:linear-gradient(90deg,var(--line-2),transparent);
}
.fstep:last-child::before{display:none}

/* ---------------------------------------------------------------- 安全 */
.sgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.sitem{
  display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r);padding:26px 24px;
}
.sitem .sic{
  flex:0 0 auto;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:rgba(47,191,113,.09);border:1px solid rgba(47,191,113,.22);
}
.sitem .sic svg{width:16px;height:16px;stroke:var(--down);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.sitem h3{font-size:15.5px;margin-bottom:8px}
.sitem p{font-size:14px;color:var(--text-2)}

/* ---------------------------------------------------------------- 底部 CTA */
.cta-band{padding:88px 0;background:
  radial-gradient(120% 140% at 50% 0%,rgba(255,122,26,.16),transparent 62%),var(--bg-soft);
  border-top:1px solid var(--line);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:560px}

/* ---------------------------------------------------------------- 页脚 */
.foot{border-top:1px solid var(--line);padding:52px 0 60px;background:var(--bg)}
.foot-in{display:grid;grid-template-columns:auto 1fr;gap:40px;align-items:start}
.foot-brand{display:flex;align-items:center;gap:14px}
.foot-brand img{width:48px;height:48px;border-radius:13px}
.foot-brand b{display:block;font-size:15px;letter-spacing:.06em}
.foot-brand em{font-style:normal;font-size:9.5px;letter-spacing:.3em;color:var(--muted)}
.foot-nav{display:flex;gap:24px;flex-wrap:wrap;justify-content:flex-end;align-self:center}
.foot-nav a{font-size:13.5px;color:var(--text-2)}
.foot-nav a:hover{color:var(--o1)}
.foot-meta{grid-column:1/-1;border-top:1px solid var(--line);padding-top:26px;max-width:820px}
.foot-meta p{font-size:12.5px;color:var(--muted);line-height:1.85}
.foot-sub{margin-top:8px;font-size:11.5px !important}
.foot-meta a{color:var(--text-2);border-bottom:1px solid var(--line-2)}

/* ---------------------------------------------------------------- 动效 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .live-dot,.console-live i{animation:none}
}

/* ---------------------------------------------------------------- 响应式 */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:46px}
  .hero .lede{max-width:none}
  .fgrid{grid-template-columns:repeat(2,1fr)}
  .live-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .fstep:nth-child(2)::before{display:none}
}
@media (max-width:860px){
  .nav-links{display:none}
  .burger{display:block}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats > div:nth-child(2){border-right:0}
  .stats > div:nth-child(1),.stats > div:nth-child(2){border-bottom:1px solid var(--line)}
  .foot-in{grid-template-columns:1fr;gap:26px}
  .foot-nav{justify-content:flex-start}
}
@media (max-width:640px){
  .sec{padding:66px 0}
  .hero{padding-top:52px}
  .brand-mark{width:40px;height:40px;border-radius:11px}
  .nav-in{padding:11px 18px}
  .fgrid,.live-grid,.flow,.sgrid{grid-template-columns:1fr}
  .fstep::before{display:none}
  .console-head > div{padding:12px 14px}
  .console-head b{font-size:16px}
  .crow{grid-template-columns:24px minmax(0,1fr) 72px;gap:10px;padding:10px 14px}
  .crow .spark{display:none}
  .stats > div{padding:22px 18px}
  .stats b{font-size:25px}
  .btn-lg{padding:14px 22px;font-size:15px}
}