:root{
  --bg:#06070F;
  --bg-2:#0A0C18;
  --panel:rgba(255,255,255,.038);
  --panel-2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.18);
  --tx:#EAECF5;
  --tx-2:#9BA2B8;
  --tx-3:#6A7089;
  --p:#7C5CFF;
  --c:#22D3EE;
  --grad:linear-gradient(100deg,#7C5CFF 0%,#22D3EE 100%);
  --r:16px;
  --r-lg:22px;
  --ease:cubic-bezier(.22,.7,.24,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--tx);
  font:400 16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3{margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(124,92,255,.4);color:#fff}

.wrap{width:min(1200px,100% - 48px);margin-inline:auto}
.wrap--narrow{width:min(860px,100% - 48px)}

/* ---------- background fx ---------- */
.bg-fx{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.45}
.orb--p{width:520px;height:520px;background:#6D4DFF;top:-180px;left:-140px;opacity:.34}
.orb--c{width:440px;height:440px;background:#12B5D6;top:520px;right:-160px;opacity:.26}
.orb--p2{width:480px;height:480px;background:#8B5CF6;top:1500px;left:-200px;opacity:.18}
main,.nav,.footer{position:relative;z-index:1}

/* matrix rain canvas */
#matrix{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.55}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(6,7,15,.72);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.nav.is-stuck{border-bottom-color:var(--line);background:rgba(6,7,15,.88)}
.nav__inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand__mark{width:46px;height:46px;color:#fff;display:grid;place-items:center;border-radius:12px;
  background:var(--grad);box-shadow:0 0 0 1px rgba(255,255,255,.14),0 8px 24px -8px rgba(124,92,255,.8)}
.brand__mark--img{background:none;box-shadow:none;border-radius:50%;overflow:hidden;animation:brandGlow 3s ease-in-out infinite}
.brand__mark--img img{width:100%;height:100%;object-fit:contain}
.brand__mark svg{width:22px;height:22px}
.brand__text{font-size:19px;font-weight:600;letter-spacing:.02em;line-height:1.15}
.brand__text em{display:block;font-style:normal;font-size:10.5px;letter-spacing:.22em;color:var(--tx-3);font-weight:400}
.footer__brand .brand__mark--img{width:40px;height:40px;animation:none}
.footer__brand .brand__text{font-size:16px}
@keyframes brandGlow{0%,100%{box-shadow:0 0 0 0 rgba(124,92,255,0)}50%{box-shadow:0 0 18px 3px rgba(124,92,255,.5)}}
.wechat-ico{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border-radius:12px;background:rgba(7,193,96,.12);transition:transform .2s ease;animation:wxPulse 2.4s ease-in-out infinite}
.wechat-ico svg{width:26px;height:26px;display:block}
.wechat-ico:hover{transform:scale(1.1)}
@keyframes wxPulse{0%,100%{box-shadow:0 0 0 0 rgba(7,193,96,.5)}50%{box-shadow:0 0 0 9px rgba(7,193,96,0)}}
.nav__links{display:flex;gap:26px;margin-left:auto;font-size:14.5px;color:var(--tx-2)}
.nav__links a{position:relative;padding:4px 0;transition:color .2s}
.nav__links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--grad);transition:right .3s var(--ease)}
.nav__links a:hover{color:#fff}
.nav__links a:hover::after{right:0}
.nav__right{display:flex;align-items:center;gap:12px}
.nav__toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;padding:11px 9px;flex-direction:column;justify-content:space-between}
.nav__toggle span{display:block;height:1.5px;background:var(--tx);border-radius:2px;transition:transform .3s var(--ease),opacity .2s}
.nav__toggle[aria-expanded="true"] span:first-child{transform:translateY(8.5px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:last-child{transform:translateY(-8.5px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;
  border-radius:999px;font-size:15px;font-weight:500;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,border-color .25s}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.btn--primary{background:var(--grad);color:#06070F;font-weight:600;box-shadow:0 10px 30px -12px rgba(124,92,255,.9)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px -12px rgba(124,92,255,1)}
.btn--ghost{border:1px solid var(--line-2);color:var(--tx);background:rgba(255,255,255,.03)}
.btn--ghost:hover{transform:translateY(-2px);border-color:rgba(124,92,255,.7);background:rgba(124,92,255,.1)}

/* ---------- hero ---------- */
.hero{position:relative;padding:88px 0 40px;overflow:hidden}
.hero__grid{position:absolute;inset:-10% -10% 0;
  background-image:linear-gradient(rgba(124,92,255,.075) 1px,transparent 1px),linear-gradient(90deg,rgba(124,92,255,.075) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(ellipse 78% 62% at 50% 30%,#000 12%,transparent 78%);
  mask-image:radial-gradient(ellipse 78% 62% at 50% 30%,#000 12%,transparent 78%)}
.hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:.14em;color:var(--tx-2);
  border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:6px 14px;margin-bottom:26px}
.pulse{width:6px;height:6px;border-radius:50%;background:var(--c);box-shadow:0 0 0 0 rgba(34,211,238,.7);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(34,211,238,0)}100%{box-shadow:0 0 0 0 rgba(34,211,238,0)}}
.hero__title{font-size:clamp(38px,5.2vw,68px);font-weight:700;letter-spacing:-.03em;line-height:1.14}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__sub{margin-top:22px;font-size:17.5px;line-height:1.85;color:var(--tx-2);max-width:34em}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;font-size:14px;color:var(--tx-2)}
.hero__points li{display:flex;align-items:center;gap:8px}
.hero__points li::before{content:"";width:14px;height:14px;flex:0 0 14px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,var(--c) 0 3px,transparent 4px);border:1px solid rgba(34,211,238,.55)}

/* ---------- terminal / chat ---------- */
.term{border-radius:var(--r-lg);border:1px solid var(--line-2);background:linear-gradient(180deg,rgba(20,22,38,.94),rgba(10,12,24,.94));
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);overflow:hidden;
  box-shadow:0 40px 90px -40px rgba(0,0,0,.95),0 0 0 1px rgba(124,92,255,.14)}
.term__bar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.035)}
.term__dot{width:10px;height:10px;border-radius:50%;background:var(--tx-3)}
.term__dot--r{background:#FF5F57}.term__dot--y{background:#FEBC2E}.term__dot--g{background:#28C840}
.term__title{margin-left:10px;font-size:12.5px;color:var(--tx-2);letter-spacing:.04em}
.term__tag{margin-left:auto;font-size:11px;color:var(--c);border:1px solid rgba(34,211,238,.35);
  background:rgba(34,211,238,.08);border-radius:999px;padding:2px 9px}
.term__body{padding:16px}
.chat{height:308px;overflow-y:auto;padding-right:6px;display:flex;flex-direction:column;gap:14px;scroll-behavior:smooth}
.chat::-webkit-scrollbar{width:5px}
.chat::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:3px}
.msg{display:flex;gap:10px;align-items:flex-start;animation:pop .32s var(--ease) both}
@keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.msg--me{flex-direction:row-reverse}
.msg__avatar{width:30px;height:30px;flex:0 0 30px;border-radius:9px;display:grid;place-items:center;
  background:var(--grad);color:#06070F}
.msg__avatar svg{width:18px;height:18px}
.msg--me .msg__avatar{background:rgba(255,255,255,.1);color:var(--tx-2);font-size:11.5px}
.msg__bubble{max-width:82%;padding:11px 14px;border-radius:14px;font-size:14.2px;line-height:1.72;
  background:var(--panel-2);border:1px solid var(--line);color:var(--tx)}
.msg--me .msg__bubble{background:rgba(124,92,255,.2);border-color:rgba(124,92,255,.38)}
.typing{display:inline-flex;gap:4px;padding:4px 2px}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--tx-2);animation:bounce 1.2s infinite}
.typing i:nth-child(2){animation-delay:.16s}.typing i:nth-child(3){animation-delay:.32s}
@keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.chip{font-size:12.8px;color:var(--tx-2);border:1px solid var(--line);border-radius:999px;padding:6px 13px;
  background:rgba(255,255,255,.03);transition:all .2s}
.chip:hover{color:#fff;border-color:rgba(34,211,238,.55);background:rgba(34,211,238,.1);transform:translateY(-1px)}
.composer{display:flex;gap:9px;margin-top:14px}
.composer__input{flex:1;height:46px;padding:0 16px;border-radius:12px;background:rgba(255,255,255,.045);
  border:1px solid var(--line);color:var(--tx);font-size:14.5px;outline:none;transition:border-color .2s}
.composer__input::placeholder{color:var(--tx-3)}
.composer__input:focus{border-color:rgba(124,92,255,.65)}
.composer__send{width:46px;height:46px;flex:0 0 46px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#06070F;transition:transform .2s}
.composer__send svg{width:20px;height:20px}
.composer__send:hover{transform:translateX(2px)}

/* ---------- stat bar ---------- */
.statbar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.statbar li{background:var(--bg-2);padding:20px 22px}
.statbar b{display:block;font-size:18px;font-weight:600;letter-spacing:-.01em}
.statbar span{display:block;margin-top:4px;font-size:12.5px;color:var(--tx-3);line-height:1.5}

/* ---------- sections ---------- */
.section{padding:104px 0;position:relative}
.section--alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,.017) 12%,rgba(255,255,255,.017) 88%,transparent)}
.sec-title{font-size:clamp(27px,3.4vw,42px);font-weight:700;letter-spacing:-.025em}
.sec-desc{margin-top:16px;font-size:16.5px;color:var(--tx-2);max-width:46em;line-height:1.8}
.eyebrow--c{color:var(--c);border-color:rgba(34,211,238,.3);background:rgba(34,211,238,.07)}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:52px}
.card{position:relative;padding:32px 28px 28px;border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--panel);transition:transform .35s var(--ease),border-color .35s,background .35s}
.card:hover{transform:translateY(-5px);border-color:var(--line-2);background:var(--panel-2)}
.card--feature{border-color:rgba(124,92,255,.42);background:linear-gradient(180deg,rgba(124,92,255,.11),rgba(255,255,255,.02))}
.card--feature:hover{border-color:rgba(124,92,255,.7)}
.card__badge{position:absolute;top:22px;right:22px;font-size:11.5px;font-weight:600;letter-spacing:.06em;
  color:#06070F;background:var(--grad);border-radius:999px;padding:3px 11px}
.card__icon{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;margin-bottom:20px;
  color:var(--c);background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.24)}
.card__icon svg{width:26px;height:26px}
.card--feature .card__icon{color:var(--p);background:rgba(124,92,255,.12);border-color:rgba(124,92,255,.3)}
.card h3{font-size:20.5px;font-weight:600}
.card p{margin-top:13px;font-size:14.8px;line-height:1.82;color:var(--tx-2)}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px}
.tags li{font-size:12px;color:var(--tx-2);border:1px solid var(--line);background:rgba(255,255,255,.03);
  border-radius:7px;padding:4px 10px}

/* ---------- scenes ---------- */
.scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:52px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.scene{background:var(--bg);padding:30px 28px;transition:background .3s}
.scene:hover{background:rgba(124,92,255,.07)}
.scene__no{font:600 13px/1 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.1em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.scene h3{margin-top:14px;font-size:17.5px;font-weight:600}
.scene p{margin-top:10px;font-size:14.3px;line-height:1.75;color:var(--tx-2)}

/* ---------- why ---------- */
.whys{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:52px}
.why{position:relative;padding:28px 28px 28px 30px;border-radius:var(--r);border:1px solid var(--line);background:var(--panel)}
.why::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:2px;border-radius:2px;background:var(--grad)}
.why h3{font-size:18px;font-weight:600}
.why p{margin-top:11px;font-size:14.6px;line-height:1.8;color:var(--tx-2)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:52px;counter-reset:s}
.steps li{position:relative;padding:26px 20px;border-radius:var(--r);border:1px solid var(--line);background:var(--panel)}
.steps li::after{content:"";position:absolute;right:-18px;top:50%;width:18px;height:1px;background:var(--line-2)}
.steps li:last-child::after{display:none}
.steps__no{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;font-size:14px;font-weight:600;
  color:#06070F;background:var(--grad);margin-bottom:16px}
.steps h3{font-size:16.5px;font-weight:600}
.steps p{margin-top:9px;font-size:13.8px;line-height:1.72;color:var(--tx-2)}

/* ---------- faq ---------- */
.faq{margin-top:46px;display:flex;flex-direction:column;gap:12px}
.faq__item{border:1px solid var(--line);border-radius:var(--r);background:var(--panel);overflow:hidden;transition:border-color .25s}
.faq__item.is-open{border-color:rgba(124,92,255,.45);background:rgba(124,92,255,.05)}
.faq__q{display:flex;align-items:center;gap:16px;width:100%;text-align:left;padding:19px 22px;
  font-size:16px;font-weight:500;color:var(--tx)}
.faq__q:hover{color:#fff}
.faq__icon{position:relative;margin-left:auto;flex:0 0 16px;width:16px;height:16px}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--tx-2);border-radius:2px;transition:transform .3s var(--ease),background .3s}
.faq__icon::before{left:0;top:7.5px;width:16px;height:1.5px}
.faq__icon::after{top:0;left:7.25px;width:1.5px;height:16px}
.faq__item.is-open .faq__icon::after{transform:rotate(90deg)}
.faq__item.is-open .faq__icon::before,.faq__item.is-open .faq__icon::after{background:var(--p)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .38s var(--ease)}
.faq__a p{padding:0 22px 21px;font-size:14.8px;line-height:1.85;color:var(--tx-2)}

/* ---------- cta ---------- */
.cta{padding:0 0 104px}
.cta__box{position:relative;overflow:hidden;padding:64px 56px;border-radius:26px;text-align:center;
  border:1px solid rgba(124,92,255,.32);background:linear-gradient(180deg,rgba(124,92,255,.14),rgba(34,211,238,.05))}
.cta__box::before{content:"";position:absolute;top:-60%;left:50%;transform:translateX(-50%);
  width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(124,92,255,.22),transparent 62%)}
.cta__box h2{position:relative;font-size:clamp(24px,3vw,36px);font-weight:700;letter-spacing:-.025em}
.cta__box p{position:relative;margin-top:16px;font-size:16px;color:var(--tx-2);max-width:34em;margin-inline:auto;line-height:1.8}
.cta__btns{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}
.contact{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:44px;
  padding-top:32px;border-top:1px solid var(--line)}
.contact li{display:flex;flex-direction:column;gap:5px;align-items:center}
.contact span{font-size:12px;color:var(--tx-3);letter-spacing:.08em}
.contact b{font-size:14.5px;font-weight:500}
.link-qr{color:#22D3EE;text-decoration:underline;text-underline-offset:3px}
.modal{position:fixed;inset:0;z-index:60;display:none;align-items:center;justify-content:center}
.modal.is-open{display:flex}
.modal__backdrop{position:absolute;inset:0;background:rgba(4,6,15,.72);backdrop-filter:blur(4px)}
.modal__box{position:relative;z-index:1;background:#0e1020;border:1px solid rgba(124,92,255,.35);border-radius:18px;padding:22px;max-width:300px;width:calc(100% - 40px);text-align:center;box-shadow:0 24px 70px rgba(0,0,0,.5)}
.modal__qr{width:220px;height:220px;border-radius:12px;background:#fff;padding:8px;object-fit:contain}
.modal__tip{margin-top:14px;font-size:14px;color:var(--tx-2)}
.modal__close{position:absolute;top:8px;right:10px;width:32px;height:32px;border:0;background:transparent;color:var(--tx-2);font-size:24px;line-height:1;cursor:pointer}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:52px 0 34px;background:rgba(0,0,0,.28)}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.footer__brand{display:flex;align-items:center;gap:13px}
.footer__brand p{font-size:15px;font-weight:500;line-height:1.5}
.footer__brand small{font-size:12.5px;color:var(--tx-3);font-weight:400}
.footer__links{display:flex;gap:24px;font-size:14px;color:var(--tx-2)}
.footer__links a:hover{color:#fff}
.footer__bottom{margin-top:30px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer__bottom p{font-size:12.5px;color:var(--tx-3)}
.footer__note{text-align:right}

/* ---------- reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].in{opacity:1;transform:none}

.areas{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}
.area{font-size:14.5px;color:var(--tx);border:1px solid var(--line-2);background:rgba(255,255,255,.04);
  border-radius:999px;padding:9px 18px;transition:all .25s}
.area:hover{border-color:rgba(45,245,138,.5);background:rgba(45,245,138,.08);color:#dfffe9}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin-top:44px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.facts__row{display:flex;gap:18px;background:var(--bg-2);padding:18px 22px}
.facts__row dt{flex:0 0 96px;font-size:13px;color:var(--tx-3);letter-spacing:.04em}
.facts__row dd{margin:0;font-size:15px;color:var(--tx);font-weight:500}
/* ---------- responsive ---------- */
@media (max-width:1040px){
  .hero__inner{grid-template-columns:1fr;gap:44px}
  .hero__panel{max-width:560px}
  .cards,.scenes{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .steps li::after{display:none}
  .statbar{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .wrap,.wrap--narrow{width:calc(100% - 32px)}
  .nav__links{position:absolute;top:72px;right:0;left:auto;width:min(78vw,320px);flex-direction:column;gap:0;
    background:rgba(8,9,18,.97);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);
    padding:8px 20px 18px;display:none}
  .nav__links.is-open{display:flex}
  .nav__links a{padding:13px 0;border-bottom:1px solid var(--line)}
  .nav__toggle{display:flex}
  .nav__right{margin-left:auto}
  .nav__right .btn--sm{display:none}
  .hero{padding:56px 0 30px}
  .section{padding:74px 0}
  .cards,.scenes,.whys,.steps{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr 1fr}
  .cta__box{padding:44px 24px}
  .footer__bottom{flex-direction:column}
  .footer__note{text-align:left}
  .chat{height:262px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}