@font-face{font-family:Alibaba PuHuiTi;src:url(/fonts/AlibabaPuHuiTi-3-115-Black.ttf) format("truetype");font-weight:900;font-style:normal;font-display:swap}@font-face{font-family:Alibaba PuHuiTi;src:url(/fonts/AlibabaPuHuiTi-2-95-ExtraBold.ttf) format("truetype");font-weight:800;font-style:normal;font-display:swap}:root{--bg: #05070d;--panel: rgba(9, 11, 21, .82);--panel-soft: rgba(13, 16, 30, .76);--line: rgba(255, 255, 255, .08);--text: #f7f8fc;--muted: #a6afc4;--coral: #ff6c59;--cyan: #6ef0e1;--gold: #ffcc77;--shadow: 0 30px 80px rgba(0, 0, 0, .34);--radius-xl: 32px;--radius-lg: 24px;--radius-md: 18px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-width:none}html::-webkit-scrollbar,body::-webkit-scrollbar{display:none}body{margin:0;min-width:320px;background:radial-gradient(circle at 18% 4%,rgba(255,108,89,.18),transparent 18%),radial-gradient(circle at 82% 18%,rgba(110,240,225,.12),transparent 16%),linear-gradient(180deg,#03050a,#070a13 26%,#090d17);color:var(--text);font-family:Satoshi,PingFang SC,Hiragino Sans GB,sans-serif}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}.page-shell{position:relative;overflow:hidden}.noise,.grid-lines,.orb{position:fixed;inset:0;pointer-events:none}.noise{opacity:.08;background-image:radial-gradient(rgba(255,255,255,.44) .55px,transparent .55px);background-size:10px 10px;mix-blend-mode:soft-light}.grid-lines{background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:84px 84px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.4),transparent 92%);mask-image:linear-gradient(180deg,rgba(0,0,0,.4),transparent 92%)}.orb{filter:blur(108px)}.orb-a{inset:0 auto auto 4%;width:24rem;height:24rem;background:#ff6c5929}.orb-b{inset:auto 0 12% auto;width:22rem;height:22rem;background:#6ef0e11a}.section,.site-footer{position:relative;z-index:1;width:min(1160px,calc(100vw - 32px));margin:0 auto}.section{padding-top:92px}.hero{display:grid;justify-items:center;text-align:center;padding-top:34px}.hero-badge,.section-kicker,.feature-icon,.entry-pill,.scene-meta span{font-family:IBM Plex Mono,monospace;letter-spacing:.14em}.hero-badge{display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border:1px solid var(--line);border-radius:999px;background:#0a0e18b8;color:var(--muted);font-size:.76rem}.hero-badge-dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--coral),var(--gold));box-shadow:0 0 14px #ff6c598c}.hero-logo-wrap{margin-top:22px;padding:6px;border-radius:28px;background:radial-gradient(circle at 28% 22%,rgba(255,255,255,.16),transparent 34%),linear-gradient(180deg,#13182aad,#080a146b);border:1px solid rgba(255,255,255,.08);box-shadow:0 28px 60px #00000052,0 12px 22px #080a123d,inset 0 1px #ffffff14}.hero-logo{width:106px;height:106px;border-radius:22px;box-shadow:0 18px 30px #05081257,0 8px 14px #12162433,0 0 0 1px #ffffff14;transform:translateY(-1px)}.hero h1,.section-head h2,.feature-card h3,.step-card h3,.scene-meta h3,.cta-panel h2{font-family:Alibaba PuHuiTi,Satoshi,sans-serif;font-weight:900;letter-spacing:-.04em}.hero h1{margin:16px 0 8px;font-size:clamp(2.8rem,7vw,4.6rem);line-height:1;background:radial-gradient(circle at 22% 14%,#fff,#fffff9fa 12%,#fff3c2fa 25%,#ffd670fc 43%,#eb703af5 72%,#9c2818e6);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 12px 38px rgba(214,104,42,.22);position:relative}.hero h1:after{content:"";position:absolute;left:50%;bottom:-12px;width:min(68%,320px);height:18px;transform:translate(-50%);border-radius:999px;background:linear-gradient(90deg,#fff0,#fff4c4e6 18%,#ffe592,#fff4c4e6 82%,#fff0);filter:blur(13px);opacity:.2;pointer-events:none}.hero-subtitle{margin:0;font-size:clamp(1.05rem,2vw,1.28rem);color:#ffe1d2}.hero-text,.section-head p,.feature-card p,.step-card p,.scene-meta p,.site-footer p,.cta-panel p{color:var(--muted);line-height:1.75}.hero-text{max-width:760px;margin:16px auto 0}.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:24px}.download-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;width:min(1320px,100%);margin-top:28px}.download-btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:76px;padding:.9rem 1.25rem;border-radius:22px;border:1px solid rgba(255,255,255,.12);background:#fffffff2;color:#101116;font-family:Alibaba PuHuiTi,Satoshi,sans-serif;font-size:clamp(1rem,1.45vw,1.32rem);font-weight:800;letter-spacing:-.03em;box-shadow:0 16px 34px #0000002e;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out,background .18s ease-out}.download-btn:hover{transform:translateY(-2px);box-shadow:0 22px 40px #0000003d}.download-icon{display:inline-flex;width:28px;height:28px;flex:0 0 28px}.download-icon svg{width:100%;height:100%}.download-btn-disabled{border-color:#ffffff14;background:#080b161f;color:#ffffff6b;box-shadow:inset 0 0 0 1px #ffffff08;cursor:not-allowed}.download-btn-disabled:hover{transform:none;box-shadow:inset 0 0 0 1px #ffffff08}.primary-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;min-width:142px;padding:.95rem 1.4rem;border-radius:999px;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}.primary-btn{background:linear-gradient(135deg,var(--gold),#ffd86f);color:#16120d;font-weight:800;box-shadow:0 14px 42px #ffcc7747}.secondary-btn{border:1px solid rgba(255,255,255,.1);background:#0a0e18ad}.primary-btn:hover,.secondary-btn:hover{transform:translateY(-2px)}.hero-entry{width:min(920px,100%);margin-top:28px}.entry-pill{display:inline-flex;align-items:center;justify-content:center;padding:8px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.08);background:#0a0e18ad;color:#ffe3c0;font-size:.72rem}.hero-stats,.feature-grid,.steps-grid,.scene-grid{display:grid;gap:16px}.hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:16px}.hero-stats article,.feature-card,.step-card,.scene-card,.cta-panel{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-xl);background:linear-gradient(180deg,#0e121ee0,#080a12cc),linear-gradient(135deg,#ff6c590f,#6ef0e108);box-shadow:var(--shadow)}.hero-stats article{padding:22px}.hero-stats strong{display:block;font-family:Alibaba PuHuiTi,sans-serif;font-size:clamp(1.6rem,3vw,2.4rem)}.hero-stats span{display:block;margin-top:8px;color:var(--muted)}.section-head.center{max-width:760px;margin:0 auto;text-align:center}.section-kicker{color:var(--coral);font-size:.72rem;text-transform:uppercase}.section-head h2{margin:10px 0 12px;font-size:clamp(2rem,4vw,3.2rem);line-height:1.08}.feature-grid{grid-template-columns:repeat(5,minmax(0,1fr));margin-top:26px}.feature-card{min-height:216px;padding:24px 20px}.feature-card:before,.scene-card:before,.cta-panel:before{content:"";position:absolute;inset:0;pointer-events:none}.feature-card:before{background:radial-gradient(circle at top right,rgba(255,108,89,.1),transparent 28%)}.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:14px;background:#ff6c591f;color:#ffd4c7;font-size:.78rem}.feature-card h3,.step-card h3,.scene-meta h3{margin:16px 0 8px;font-size:1.36rem;line-height:1.08}.feature-card span{display:inline-flex;margin-top:14px;padding:6px 10px;border-radius:999px;background:#ffffff0a;color:#ffd8ab;font-size:.82rem}.steps-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:28px}.step-card{padding:30px 24px 24px;text-align:center}.step-card:before{content:"";position:absolute;inset:auto 12% 24px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.08),transparent)}.step-orb{display:grid;place-items:center;width:78px;height:78px;margin:0 auto;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(255,204,119,.34),transparent 36%),linear-gradient(180deg,#ff6c592e,#090d18eb);border:1px solid rgba(255,255,255,.08);box-shadow:0 0 24px #ff6c592e;font-family:IBM Plex Mono,monospace;font-size:1.2rem}.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:28px}.scene-card{padding:0}.scene-card:before{background:linear-gradient(135deg,rgba(255,108,89,.1),transparent 44%)}.scene-card-wechat:before{background:linear-gradient(135deg,rgba(108,240,190,.12),transparent 44%)}.scene-card-content:before{background:linear-gradient(135deg,rgba(164,108,255,.16),transparent 44%)}.scene-card-global:before{background:linear-gradient(135deg,rgba(80,184,255,.16),transparent 44%)}.chat-demo{min-height:220px;padding:22px;display:flex;flex-direction:column;justify-content:center;gap:14px;background:radial-gradient(circle at top left,rgba(255,255,255,.03),transparent 30%),linear-gradient(180deg,#0b101c85,#090b141a)}.chat-bubble{max-width:84%;padding:12px 14px;border-radius:16px;font-size:.95rem;line-height:1.7;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.chat-bubble.user{align-self:flex-start;background:#ffffff14;color:#eff3fb}.chat-bubble.ai{align-self:flex-end;background:linear-gradient(135deg,#ff6c592e,#6ef0e11f);color:#fff3eb}.scene-meta{padding:20px 22px 24px}.scene-meta span{color:#ffd8ad;font-size:.72rem;text-transform:uppercase}.cta-panel{display:grid;justify-items:center;text-align:center;padding:34px 24px}.cta-panel:before{background:radial-gradient(circle at 20% 20%,rgba(255,108,89,.16),transparent 24%),radial-gradient(circle at 82% 34%,rgba(110,240,225,.1),transparent 20%)}.cta-panel img,.site-footer img{width:56px;height:56px;border-radius:16px}.cta-panel h2{margin:16px 0 10px;font-size:clamp(1.9rem,3.6vw,3rem)}.site-footer{display:grid;justify-items:center;gap:14px;padding:56px 0 80px;text-align:center}.reveal{opacity:0;transform:translateY(22px);transition:opacity .66s ease-out,transform .66s ease-out}.reveal.visible{opacity:1;transform:translateY(0)}@media(max-width:1080px){.download-actions{grid-template-columns:1fr}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.steps-grid,.scene-grid,.hero-stats{grid-template-columns:1fr}}@media(max-width:720px){.section,.site-footer{width:min(100vw - 20px,1160px)}.section{padding-top:72px}.hero{padding-top:20px}.hero h1{font-size:clamp(2.4rem,15vw,3.8rem)}.download-btn{min-height:68px;gap:12px;padding:.85rem 1rem;border-radius:18px;font-size:1rem}.download-icon{width:24px;height:24px;flex-basis:24px}.section-head h2{font-size:clamp(1.8rem,10vw,2.6rem)}.feature-grid,.scene-grid{grid-template-columns:1fr}.feature-card,.step-card,.scene-meta,.chat-demo,.cta-panel,.hero-stats article{padding-left:18px;padding-right:18px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}