/* ============================================================
   雷霆三角洲量化系统 · 官网
   设计语言：统一深黑 + Apple iPhone 产品页质感
   全站深色，零白底；品牌橙 #FF8A2A + 模块紫 #B98CFF
   ============================================================ */

:root{
  --bg:#000;
  --bg-dark:#000;
  --bg-dark2:#070708;
  --bg-card:#101216;
  --bg-card-2:#14161c;
  --text:#f5f5f7;
  --text-2:#a1a1a6;
  --text-3:#86868b;
  --hair:rgba(255,255,255,.1);
  --hair-2:rgba(255,255,255,.06);
  --orange:#FF8A2A;
  --orange-2:#ffb340;
  --green:#58E07D;
  --purple:#B98CFF;
  --blue:#2997ff;
  --red:#FF4D55;
  --cyan:#3FD6C9;
  --radius:22px;
  --radius-lg:30px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"SF Pro Display","SF Pro Text",-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,92vw);margin:0 auto}

::selection{background:rgba(255,138,42,.35)}

/* ---------- 通用文字 ---------- */
.kicker{
  font-size:15px;font-weight:600;letter-spacing:.02em;
  color:var(--orange);margin-bottom:18px;
}
.kicker-purple{color:var(--purple)}
.kicker-blue{color:var(--blue)}
.kicker-green{color:var(--green)}
.kicker-red{color:var(--red)}
.h2{
  font-size:clamp(34px,5.2vw,64px);
  font-weight:700;line-height:1.08;letter-spacing:-.022em;
  color:var(--text);
}
.h2 em{font-style:normal;position:relative;color:var(--orange-2)}
.h2 em.purple,.h2 .purple{color:var(--purple)}
.lead{
  margin:26px auto 0;max-width:760px;
  font-size:clamp(16px,1.6vw,20px);line-height:1.65;
  color:var(--text-2);
}
.lead strong{color:var(--text);font-weight:600}

.grad{
  background:linear-gradient(95deg,#ff9f0a 0%,#ff6f2a 45%,#ff375f 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- 区块：全暗 ---------- */
.sec{padding:130px 0;position:relative}
.sec-light{background:var(--bg-dark2);color:var(--text)}
.sec-dark{background:var(--bg-dark);color:var(--text);overflow:hidden}
.sec-dark2{background:#050506;color:var(--text)}
.sec .kicker,.sec .h2{text-align:center}
.sec .lead{text-align:center}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s var(--ease),border-color .4s var(--ease),backdrop-filter .4s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(10,10,12,.82);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom-color:var(--hair-2);
}
.nav-inner{
  width:min(1180px,94vw);height:52px;margin:0 auto;
  display:flex;align-items:center;gap:28px;
}
.nav-logo{display:flex;align-items:center;gap:9px;font-weight:600;font-size:14px;color:#f5f5f7;flex:none}
.nav-logo-mark{
  width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#1a1005;
  background:linear-gradient(145deg,#ffb340,#ff7a1a);
  box-shadow:0 2px 10px rgba(255,138,42,.5);
}
.nav-links{display:flex;gap:26px;margin-left:auto}
.nav-links a{
  font-size:12.5px;color:rgba(245,245,247,.82);letter-spacing:.01em;
  transition:color .2s;position:relative;white-space:nowrap;
}
.nav-links a:hover{color:#fff}
.nav-cta{
  font-size:12.5px;font-weight:600;padding:6px 15px;border-radius:980px;
  background:linear-gradient(135deg,#ff9f0a,#ff7a1a);color:#1a1005;
  box-shadow:0 3px 14px rgba(255,138,42,.45);
  transition:transform .25s var(--ease),box-shadow .25s;
  white-space:nowrap;flex:none;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(255,138,42,.6)}
.nav-burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;margin-left:auto;padding:6px;flex:none}
.nav-burger span{width:20px;height:1.6px;background:#f5f5f7;border-radius:2px;transition:.3s}

/* ---------- HERO ---------- */
.hero{
  position:relative;background:#000;
  padding:150px 0 0;overflow:hidden;
}
.hero-glow{
  position:absolute;top:-340px;left:50%;transform:translateX(-50%);
  width:1100px;height:760px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(255,138,42,.28),rgba(255,138,42,.08) 55%,transparent 75%);
  filter:blur(20px);
}
.hero-glow-2{
  top:-200px;width:700px;height:520px;
  background:radial-gradient(closest-side,rgba(185,140,255,.18),transparent 72%);
  transform:translateX(-18%);
}
.hero-inner{text-align:center;position:relative;z-index:2}
.eyeball{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:600;color:#f5f5f7;
  border:1px solid rgba(255,255,255,.16);border-radius:980px;
  padding:7px 16px;background:rgba(255,255,255,.05);
  backdrop-filter:blur(10px);
}
.dot-live{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 0 rgba(88,224,125,.6);animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(88,224,125,.55)}
  70%{box-shadow:0 0 0 8px rgba(88,224,125,0)}
  100%{box-shadow:0 0 0 0 rgba(88,224,125,0)}
}
.hero-title{
  margin:34px 0 0;
  font-size:clamp(46px,8.4vw,104px);
  font-weight:700;line-height:1.04;letter-spacing:-.03em;
}
.hero-title .line{display:block}
.hero-sub{
  margin:28px auto 0;max-width:680px;
  font-size:clamp(17px,1.8vw,22px);line-height:1.6;color:#a1a1a6;
}
.hero-sub strong{color:#f5f5f7;font-weight:600}
.hero-sub em{font-style:normal;color:var(--orange-2)}
.hero-cta{display:flex;gap:18px;justify-content:center;align-items:center;margin-top:40px;flex-wrap:wrap}
.hero-cta.center{margin-top:34px}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-size:16px;font-weight:600;border-radius:980px;
  padding:14px 30px;cursor:pointer;
  transition:transform .3s var(--ease),box-shadow .3s,background .3s;
}
.btn-primary{
  color:#1a1005;
  background:linear-gradient(135deg,#ffb340 0%,#ff8a2a 55%,#ff6a1a 100%);
  box-shadow:0 8px 34px rgba(255,138,42,.38),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 14px 44px rgba(255,138,42,.55)}
.btn-ghost{color:var(--blue);font-weight:500;font-size:16px;padding:14px 6px}
.btn-ghost:hover{text-decoration:underline;text-underline-offset:4px}
.btn-ghost .chev{font-size:19px;margin-left:2px}
.btn-lg{padding:18px 42px;font-size:18px}
.hero-note{margin-top:18px;font-size:13px;color:var(--text-3)}

/* 产品截图悬浮 */
.hero-shot{
  position:relative;margin:70px auto -90px;max-width:1120px;z-index:3;
  perspective:1600px;
}
.shot-frame{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  background:#141820;
  box-shadow:0 60px 140px -30px rgba(0,0,0,.9),0 30px 80px -40px rgba(255,138,42,.35);
  transform:rotateX(6deg);transform-origin:center bottom;
  transition:transform .2s linear;
}
.shot-frame.purple{box-shadow:0 50px 120px -30px rgba(0,0,0,.9),0 24px 70px -40px rgba(185,140,255,.5)}
.shot-bar,.browser-bar{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;
  background:linear-gradient(#2a2d33,#1d2026);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.shot-bar i,.browser-bar i{width:11px;height:11px;border-radius:50%;background:#3a3f49;display:block}
.shot-bar i:nth-child(1),.browser-bar i:nth-child(1){background:#ff5f57}
.shot-bar i:nth-child(2),.browser-bar i:nth-child(2){background:#febc2e}
.shot-bar i:nth-child(3),.browser-bar i:nth-child(3){background:#28c840}
.shot-bar span,.browser-bar span{
  margin-left:10px;font-size:12px;color:#9aa0aa;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.shot-shadow{
  width:70%;height:50px;margin:0 auto;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,138,42,.35),transparent 70%);
  filter:blur(28px);
}

/* stats */
.stats{position:relative;z-index:2;background:#000;padding:70px 0 90px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{text-align:center;border-left:1px solid var(--hair);padding:6px 10px}
.stat:first-child{border-left:0}
.stat b{
  display:block;font-size:clamp(40px,4.6vw,60px);font-weight:700;
  letter-spacing:-.02em;
  background:linear-gradient(180deg,#fff,#9a9aa2);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:10px;font-size:13.5px;line-height:1.55;color:var(--text-3)}

/* ---------- 浏览器框截图（全暗） ---------- */
.browser{
  margin:64px auto 0;max-width:1060px;border-radius:18px;overflow:hidden;
  border:1px solid var(--hair);
  box-shadow:0 40px 100px -40px rgba(0,0,0,.8);
  background:#141820;
}
.browser-bar{background:linear-gradient(#2a2d33,#1d2026);border-bottom:1px solid rgba(255,255,255,.08)}
.browser-bar span{color:#9aa0aa}
.browser img{width:100%}

/* ---------- 通用栅格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feat-grid{margin-top:70px}
.feat{
  background:linear-gradient(165deg,#14161c,#0d0e12);
  border-radius:var(--radius);padding:38px 32px;
  border:1px solid var(--hair-2);
  transition:transform .45s var(--ease),box-shadow .45s,border-color .45s;
}
.feat:hover{transform:translateY(-6px);box-shadow:0 30px 60px -25px rgba(0,0,0,.5);border-color:rgba(255,138,42,.25)}
.feat-ico{
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;
  font-size:26px;margin-bottom:22px;
  background:linear-gradient(145deg,rgba(255,138,42,.16),rgba(255,138,42,.05));
  border:1px solid rgba(255,138,42,.25);
}
.feat h3{font-size:21px;font-weight:700;color:var(--text);margin-bottom:10px;letter-spacing:-.01em}
.feat p{font-size:14.5px;line-height:1.7;color:var(--text-2)}

/* ---------- 我的模块 ---------- */
.sec-mod .mod-aurora{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(60% 50% at 82% 18%,rgba(185,140,255,.16),transparent 70%),
    radial-gradient(50% 45% at 10% 90%,rgba(255,138,42,.1),transparent 70%);
}
.mod-grid{
  display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center;
  position:relative;z-index:2;
}
.mod-copy .kicker,.mod-copy .h2{text-align:left}
.mod-copy .lead{text-align:left;margin-left:0}
.tick-list{list-style:none;margin-top:38px;display:flex;flex-direction:column;gap:18px}
.tick-list li{
  position:relative;padding-left:34px;font-size:15.5px;line-height:1.6;color:#c7c7cf;
}
.tick-list li::before{
  content:"";position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:50%;
  background:linear-gradient(145deg,#c9a3ff,#9a5fff);
  box-shadow:0 0 0 4px rgba(185,140,255,.12);
}
.tick-list li::after{
  content:"✓";position:absolute;left:5px;top:2px;font-size:12px;font-weight:800;color:#1a1028;
}
.tick-list b{color:#f5f5f7;font-weight:600}
.tick-list code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;background:rgba(185,140,255,.14);border:1px solid rgba(185,140,255,.3);
  padding:2px 7px;border-radius:6px;color:#d9c4ff;
}
.mod-shot{transform:rotate(-1.2deg)}
.mod-shot .shot-frame{transform:none}

/* ---------- 行情与 AI ---------- */
.market-grid{margin-top:60px;align-items:stretch}
.market-card{
  background:linear-gradient(165deg,#14161c,#0d0e12);
  border-radius:var(--radius);padding:36px;
  border:1px solid var(--hair-2);display:flex;flex-direction:column;
}
.chip{
  display:inline-block;font-size:12.5px;font-weight:600;padding:6px 14px;border-radius:980px;
  background:rgba(41,151,255,.14);color:var(--blue);
}
.chip-ai{background:linear-gradient(135deg,rgba(255,138,42,.16),rgba(255,80,120,.12));color:#ff6a1a}
.ind-tags{display:flex;flex-wrap:wrap;gap:11px;margin:24px 0 8px}
.ind-tags span{
  font-size:14px;color:#c7c7cf;border:1px solid var(--hair);border-radius:12px;
  padding:9px 14px;background:#1a1b22;transition:.25s;
}
.ind-tags span:hover{border-color:#ff8a2a;color:#ff6a1a;transform:translateY(-2px)}
.ind-tags b{color:var(--text)}
.market-note{margin-top:auto;padding-top:20px;font-size:13.5px;color:var(--text-2);line-height:1.65}
.ai-card{
  background:linear-gradient(160deg,#15161c,#0d0e13);color:#f5f5f7;border-color:transparent;
  position:relative;overflow:hidden;
}
.ai-card::before{
  content:"";position:absolute;top:-120px;right:-100px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,138,42,.22),transparent 72%);
}
.ai-card h3{font-size:24px;font-weight:700;margin:24px 0 12px;letter-spacing:-.01em;position:relative}
.ai-card p{font-size:14.5px;line-height:1.75;color:#a8adb8;position:relative}
.ai-demo{margin-top:26px;display:flex;flex-direction:column;gap:10px;position:relative}
.ai-demo span{
  font-size:13.5px;line-height:1.6;padding:12px 16px;border-radius:16px;max-width:92%;
}
.ai-you{align-self:flex-start;background:#262832;color:#dfe3ea;border-bottom-left-radius:4px}
.ai-bot{align-self:flex-end;background:linear-gradient(135deg,#ff8a2a,#ff6a1a);color:#241206;font-weight:500;border-bottom-right-radius:4px}
.ai-bot b{font-weight:800}

/* ---------- 六大策略 ---------- */
.sec-strat{background:#000}
.strat-grid{
  margin-top:64px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.strat{
  position:relative;border-radius:var(--radius);padding:38px 32px 34px;
  background:linear-gradient(165deg,#17181d,#0f1014);
  border:1px solid rgba(255,255,255,.08);
  overflow:hidden;
  transition:transform .4s var(--ease),border-color .4s,box-shadow .4s;
}
.strat::after{
  content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;transition:opacity .4s;
  background:radial-gradient(80% 60% at 50% 0%,rgba(255,138,42,.14),transparent 70%);
}
.strat:hover{transform:translateY(-6px);border-color:rgba(255,138,42,.4);box-shadow:0 30px 70px -30px rgba(255,138,42,.3)}
.strat:hover::after{opacity:1}
.strat h3{font-size:24px;font-weight:700;margin-bottom:12px;letter-spacing:-.01em;position:relative;z-index:1}
.strat h3 i{
  font-style:normal;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:linear-gradient(95deg,#ffb340,#ff7a1a);
  -webkit-background-clip:text;background-clip:text;color:transparent;margin-right:8px;
}
.strat p{font-size:14.5px;line-height:1.7;color:#9a9fa9;position:relative;z-index:1}
.strat-tag{
  position:relative;z-index:1;display:inline-block;margin-bottom:18px;
  font-size:11.5px;font-weight:700;letter-spacing:.08em;
  color:#241206;background:linear-gradient(135deg,#ffb340,#ff8a2a);
  padding:5px 12px;border-radius:980px;
}
.strat.hot{border-color:rgba(255,138,42,.5)}

/* ---------- 闭环 pipeline ---------- */
.pipeline{
  list-style:none;margin:70px 0 50px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  counter-reset:step;
}
.pipeline li{
  position:relative;padding:0 26px 44px;
  border-left:1px dashed rgba(255,255,255,.12);
}
.pipeline li:nth-child(4n+1){padding-left:0;border-left:0}
.pipeline li span{
  display:inline-grid;place-items:center;
  width:46px;height:46px;border-radius:50%;
  background:#1a1b22;border:1.5px solid #ff8a2a;color:#ff6a1a;
  font-size:15px;font-weight:800;font-family:ui-monospace,Menlo,Consolas,monospace;
  margin-bottom:18px;box-shadow:0 8px 22px -8px rgba(255,138,42,.5);
}
.pipeline li h4{font-size:17px;font-weight:700;color:var(--text);margin-bottom:6px}
.pipeline li p{font-size:13.5px;color:var(--text-2);line-height:1.6}
.timer-card{
  display:flex;align-items:center;gap:28px;
  background:linear-gradient(120deg,#17181d,#101116);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg);padding:40px 44px;color:#f5f5f7;
}
.timer-ico{font-size:40px;flex:none}
.timer-card h3{font-size:22px;font-weight:700;margin-bottom:8px}
.timer-card p{font-size:14.5px;line-height:1.7;color:#9a9fa9;max-width:620px}
.timer-clock{
  margin-left:auto;flex:none;text-align:center;
  background:rgba(255,138,42,.1);border:1px solid rgba(255,138,42,.3);
  border-radius:18px;padding:18px 26px;
}
.timer-clock b{
  display:block;font-size:32px;font-weight:700;letter-spacing:-.02em;
  background:linear-gradient(95deg,#ffb340,#ff7a1a);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.timer-clock i{font-style:normal;font-size:12.5px;color:#b9906a}

/* ---------- 安全 ---------- */
.sec-safe{background:#050506}
.safe-grid{margin-top:64px}
.safe{
  border-radius:var(--radius);padding:34px 28px;
  background:linear-gradient(165deg,#141519,#0d0e12);
  border:1px solid rgba(255,255,255,.07);
  transition:transform .4s var(--ease),border-color .4s;
}
.safe:hover{transform:translateY(-5px);border-color:rgba(255,77,85,.4)}
.safe-ico{font-size:30px;margin-bottom:20px}
.safe h3{font-size:19px;font-weight:700;margin-bottom:10px}
.safe p{font-size:13.8px;line-height:1.7;color:#9499a3}
.ext-strip{
  margin-top:54px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);overflow:hidden;
}
.ext-strip div{background:#0d0e12;padding:26px 24px}
.ext-strip b{display:block;font-size:16px;margin-bottom:7px;color:#f5f5f7}
.ext-strip span{font-size:13px;color:#8b909a;line-height:1.6}

/* ---------- 模板 ---------- */
.tpl-grid{
  margin-top:64px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.tpl{
  position:relative;background:linear-gradient(165deg,#14161c,#0d0e12);
  border:1px solid var(--hair-2);border-radius:20px;
  padding:30px 28px;transition:transform .4s var(--ease),box-shadow .4s,border-color .3s;
  overflow:hidden;
}
.tpl:hover{transform:translateY(-5px);box-shadow:0 26px 55px -25px rgba(0,0,0,.5);border-color:rgba(255,192,138,.5)}
.tpl-no{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;font-weight:700;color:#ff8a2a;letter-spacing:.05em;
}
.tpl h3{font-size:20px;font-weight:700;margin:12px 0 8px;color:var(--text)}
.tpl h3 i{
  font-style:normal;font-size:11px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#ff8a2a,#ff375f);
  padding:3px 9px;border-radius:980px;margin-left:8px;vertical-align:2px;
}
.tpl p{font-size:13.8px;line-height:1.65;color:var(--text-2)}
.tpl-flag{
  background:linear-gradient(160deg,#1a1b20,#111217);border-color:rgba(255,138,42,.3);
}
.tpl-flag h3{color:#f5f5f7}
.tpl-flag p{color:#9aa0aa}
.tpl-flag .tpl-no{color:var(--orange-2)}
.tpl-add{
  background:repeating-linear-gradient(135deg,#0d0e12,#0d0e12 12px,#131419 12px,#131419 24px);
  border-style:dashed;border-color:rgba(185,140,255,.3);display:flex;flex-direction:column;justify-content:center;
}
.tpl-add .tpl-no{font-size:26px;color:var(--purple)}

/* ---------- 规格 ---------- */
.spec-title{margin-bottom:64px}
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.09);border-radius:var(--radius);overflow:hidden}
.spec{background:#0d0e12;padding:32px 28px}
.spec h4{font-size:14px;color:#8b909a;font-weight:600;margin-bottom:12px}
.spec p{font-size:17px;font-weight:600;line-height:1.5;color:#f5f5f7}

/* ---------- 最终 CTA ---------- */
.sec-cta{background:#000;text-align:center;padding:160px 0;overflow:hidden;position:relative}
.cta-glow{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-40%);
  width:900px;height:600px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(255,138,42,.22),rgba(255,138,42,.05) 55%,transparent 75%);
}
.cta-title{
  position:relative;z-index:1;
  font-size:clamp(44px,7.5vw,92px);font-weight:700;line-height:1.05;letter-spacing:-.03em;
}
.cta-sub{position:relative;z-index:1;margin-top:26px;font-size:19px;color:#a1a1a6}

/* ---------- 页脚（全暗） ---------- */
.footer{background:#050506;color:#86868b;padding:60px 0 40px;font-size:12.5px;border-top:1px solid var(--hair-2)}
.footer-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;padding-bottom:34px;border-bottom:1px solid var(--hair-2)}
.footer-cols h5{font-size:12.5px;color:#f5f5f7;margin-bottom:14px;font-weight:600}
.footer-cols a{display:block;color:#86868b;margin-bottom:10px;transition:color .2s}
.footer-cols a:hover{color:var(--orange-2);text-decoration:underline}
.footer-base{padding-top:24px;display:flex;flex-direction:column;gap:8px;line-height:1.7}
.footer-disclaimer{color:#6e6e73}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(38px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.hero .reveal{transition-duration:1.1s}
.d1{transition-delay:.05s}.d2{transition-delay:.15s}.d3{transition-delay:.28s}
.d4{transition-delay:.42s}.d5{transition-delay:.54s}.d6{transition-delay:.66s}

/* ---------- 价格卡片 ---------- */
.price-card{
  position:relative;max-width:560px;margin:60px auto 0;
  background:linear-gradient(168deg,#1b1d23,#0f1014);
  border:1px solid rgba(255,138,42,.35);
  border-radius:var(--radius-lg);padding:56px 48px 44px;
  text-align:center;color:#f5f5f7;
  box-shadow:0 50px 110px -50px rgba(255,138,42,.45);
}
.price-ribbon{
  position:absolute;top:-15px;left:50%;transform:translateX(-50%);
  font-size:12px;font-weight:700;letter-spacing:.08em;color:#241206;
  background:linear-gradient(135deg,#ffb340,#ff7a1a);
  padding:7px 20px;border-radius:980px;white-space:nowrap;
  box-shadow:0 8px 22px -6px rgba(255,138,42,.7);
}
.price-name{font-size:19px;font-weight:600;color:#c7c7cf;margin-bottom:14px}
.price-amount{
  font-size:88px;font-weight:700;letter-spacing:-.03em;line-height:1;
  background:linear-gradient(180deg,#ffc15e,#ff7a1a);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.price-amount small{font-size:30px;font-weight:700;margin-right:4px}
.price-unit{
  font-size:17px;font-weight:500;color:#8b909a;
  -webkit-text-fill-color:#8b909a;margin-left:8px;letter-spacing:0;
}
.price-desc{margin:16px 0 30px;font-size:14.5px;color:#9a9fa9;line-height:1.7}
.price-list{list-style:none;text-align:left;display:flex;flex-direction:column;gap:14px;margin-bottom:36px}
.price-list li{font-size:14.5px;line-height:1.55;color:#c7c7cf}
.price-list b{color:#ffb340;font-weight:600}
.btn-block{width:100%;justify-content:center;border:0;cursor:pointer;font-family:inherit}
.price-tip{margin-top:14px;font-size:12.5px;color:#6e6e73}
.btn-ghost-light{color:#7db9ff;background:none;border:0;cursor:pointer;font-family:inherit;font-size:15px}
.btn-ghost-light:hover{text-decoration:underline;text-underline-offset:4px}
.copy-link{cursor:pointer}

/* ---------- 支付流程 ---------- */
.pay-flow{
  max-width:680px;margin:0 auto;padding:48px 40px;
  background:linear-gradient(168deg,#14161c,#0d0e12);
  border:1px solid var(--hair);border-radius:var(--radius-lg);
}
.pay-title{
  font-size:22px;font-weight:700;color:var(--text);text-align:center;
  margin-bottom:36px;letter-spacing:-.01em;
}
.pay-steps-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:40px;
}
.pay-step{
  text-align:center;padding:20px 14px;
  background:rgba(255,255,255,.03);border:1px solid var(--hair-2);border-radius:16px;
}
.step-no{
  display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;
  background:linear-gradient(135deg,#ffb340,#ff8a2a);color:#1a1005;
  font-size:14px;font-weight:800;font-family:ui-monospace,Menlo,Consolas,monospace;
  margin-bottom:14px;box-shadow:0 6px 18px -6px rgba(255,138,42,.6);
}
.pay-step h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:8px}
.pay-step p{font-size:12.5px;line-height:1.6;color:var(--text-2)}

.qr-row{display:flex;gap:24px;justify-content:center;margin-bottom:32px}
.qr-box{display:flex;flex-direction:column;align-items:center;gap:10px}
.qr-box img{
  width:180px;height:180px;border-radius:16px;object-fit:cover;
  border:1px solid var(--hair);background:#fff;padding:8px;
}
.qr-fallback{
  width:180px;height:180px;border-radius:16px;border:2px dashed rgba(255,138,42,.35);
  background:rgba(255,138,42,.06);flex-direction:column;align-items:center;justify-content:center;
  gap:8px;display:none;
}
.qr-fallback span{font-size:15px;font-weight:600;color:var(--orange-2)}
.qr-fallback b{font-size:28px;font-weight:800;color:var(--orange)}
.qr-label{font-size:13.5px;font-weight:600;color:var(--text-2)}

/* 复制成功 toast */
.toast{
  position:fixed;left:50%;bottom:38px;transform:translate(-50%,20px);
  background:rgba(30,32,38,.92);backdrop-filter:blur(14px);
  border:1px solid rgba(88,224,125,.4);color:#eafff0;
  font-size:14px;font-weight:600;padding:13px 24px;border-radius:980px;
  opacity:0;pointer-events:none;z-index:200;
  transition:opacity .35s var(--ease),transform .35s var(--ease);
  box-shadow:0 16px 44px -12px rgba(0,0,0,.6);
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:34px 0}
  .stat:nth-child(3){border-left:0}
  .grid-3,.strat-grid,.tpl-grid{grid-template-columns:repeat(2,1fr)}
  .grid-4,.ext-strip,.spec-grid,.pay-steps-grid{grid-template-columns:repeat(2,1fr)}
  .mod-grid{grid-template-columns:1fr;gap:50px}
  .pipeline{grid-template-columns:repeat(2,1fr)}
  .pipeline li:nth-child(odd){padding-left:0;border-left:0}
  .timer-card{flex-direction:column;text-align:center;gap:16px}
  .timer-clock{margin-left:0}
}
@media (max-width:720px){
  .sec{padding:84px 0}
  .nav-links{
    position:fixed;top:52px;left:0;right:0;
    flex-direction:column;gap:0;background:rgba(10,10,12,.98);
    backdrop-filter:blur(20px);border-bottom:1px solid var(--hair-2);
    padding:8px 0;display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 24px;font-size:15px}
  .nav-cta{display:none}
  .nav-burger{display:flex}
  .hero{padding-top:110px}
  .hero-shot{margin-bottom:-40px}
  .shot-frame{transform:none;border-radius:16px}
  .grid-2,.grid-3,.grid-4,.strat-grid,.tpl-grid,.spec-grid,.ext-strip,.pay-steps-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:26px 0}
  .pipeline{grid-template-columns:1fr}
  .pipeline li{border-left:0!important;padding:0 0 34px!important}
  .stat{border-left:0!important}
  .footer-cols{grid-template-columns:repeat(2,1fr)}
  .btn{width:100%;justify-content:center}
  .hero-cta{flex-direction:column}
  .timer-card{padding:32px 24px}
  .browser{margin-top:44px}
  .price-card{padding:46px 22px 32px}
  .price-amount{font-size:68px}
  .pay-flow{padding:36px 18px}
  .qr-row{flex-direction:column;gap:18px}
  .feat{padding:28px 22px}
  .market-card{padding:28px 22px}
  .tpl{padding:24px 20px}
  .spec{padding:24px 20px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}