.grainient-container{width:100%;height:100%;position:relative;overflow:hidden}.site-grainient{z-index:0;pointer-events:none;position:fixed;inset:0}:root{color:#f5f3f0;font-synthesis:none;text-rendering:optimizelegibility;--bg:#080809;--surface:#101012;--surface-2:#151517;--line:#ffffff1f;--line-strong:#ffffff3b;--text:#f5f3f0;--muted:#aaa6a0;--red:#d81723;--red-deep:#770b13;--gold:#f0b321;--shell:min(1700px, calc(100vw - 96px));background:#080809;font-family:Microsoft YaHei UI,PingFang SC,Noto Sans CJK SC,Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{background:var(--bg);min-width:0;color:var(--text);overflow-wrap:anywhere;margin:0}#root{isolation:isolate;position:relative}#main-content{z-index:1;position:relative}body,button,a{font:inherit}button,a{-webkit-tap-highlight-color:transparent;transition:font-size .18s cubic-bezier(.16,1,.3,1)}a{color:inherit;text-decoration:none}img,video{max-width:100%;display:block}button{color:inherit}::selection{background:var(--red);color:#fff}:focus-visible{outline:3px solid var(--gold);outline-offset:4px}.skip-link{z-index:1000;color:#080809;background:#fff;padding:12px 16px;transition:transform .2s;position:fixed;top:12px;left:18px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.shell{width:var(--shell);margin:0 auto}.section{padding:clamp(120px,11vw,210px) 0;position:relative;overflow:hidden}.section:before{content:"";background:linear-gradient(90deg, transparent, var(--line), transparent);height:1px;position:absolute;inset:0 0 auto}.opening-screen{z-index:200;visibility:hidden;pointer-events:none;position:fixed;inset:0;overflow:hidden}.opening-panel{background:#080809;width:50.1%;position:absolute;inset-block:0}.opening-panel--left{border-right:1px solid #d8172357;left:0}.opening-panel--right{border-left:1px solid #f0b32129;right:0}.opening-mark{z-index:1;color:#d8d4ce;flex-direction:column;justify-content:center;align-items:center;gap:30px;display:flex;position:absolute;inset:0}.opening-mark:before{content:"";border:1px solid #ffffff0f;border-radius:50%;width:min(42vw,620px);height:min(42vw,620px);position:absolute;box-shadow:0 0 0 90px #d8172305,0 0 0 180px #f0b32103}.opening-mark img{object-fit:contain;border-radius:26px;width:136px;height:136px;position:relative}.opening-mark span{letter-spacing:.24em;font-size:18px;font-weight:700;position:relative}.site-header{z-index:100;border-bottom:1px solid #0000;width:100%;padding:18px 0;position:fixed;top:0;left:0}.site-header.scrolled{padding:10px 0}.header-inner{width:var(--shell);-webkit-backdrop-filter:blur(22px)saturate(145%);backdrop-filter:blur(22px)saturate(145%);background:linear-gradient(135deg,#19191cbd,#08080a94);border:1px solid #ffffff24;border-radius:18px;align-items:center;gap:28px;margin:0 auto;padding:8px 10px 8px 14px;display:flex;box-shadow:0 16px 42px #0000003d,inset 0 1px #ffffff14}.brand{flex:none;align-items:center;gap:12px;display:inline-flex}.brand img{object-fit:cover;background:#fff;border-radius:11px;width:48px;height:48px}.brand>span{flex-direction:column;line-height:1;display:flex}.brand strong{letter-spacing:.08em;font-size:18px;transition:font-size .18s cubic-bezier(.16,1,.3,1)}.brand small{letter-spacing:.33em;color:var(--muted);margin-top:7px;font-size:8px;transition:font-size .18s cubic-bezier(.16,1,.3,1)}.brand-subtitle-mobile{display:none}.site-header nav{align-items:center;gap:clamp(12px,1.4vw,26px);margin-left:auto;display:flex}.site-header nav a{color:#ffffffe6;letter-spacing:.01em;text-shadow:0 1px 12px #000000b3;white-space:nowrap;padding:10px 0;font-size:15px;font-weight:600;transition:color .2s,font-size .18s cubic-bezier(.16,1,.3,1);position:relative}.site-header nav a:after{content:"";background:var(--red);height:2px;transition:right .25s;position:absolute;bottom:2px;left:0;right:100%}.site-header nav a:hover,.site-header nav a.active{color:#fff}.site-header nav a.active:after{right:0}.nav-contact-mobile{display:none}.header-contact{text-shadow:0 1px 12px #000000a6;white-space:nowrap;border:1px solid #ffffff47;align-items:center;gap:10px;padding:12px 17px;font-size:15px;font-weight:600;transition:font-size .18s cubic-bezier(.16,1,.3,1),background .2s,border-color .2s;display:inline-flex}.header-contact:hover{background:var(--red);border-color:var(--red)}.header-contact svg,.button svg{fill:none;stroke:currentColor;stroke-width:1.8px;width:18px;height:18px}.menu-toggle{display:none}.hero{isolation:isolate;background:#080809;min-height:100vh;position:relative;overflow:hidden}.hero-slides{z-index:0;perspective:1800px;background:#080809;position:absolute;inset:0;overflow:hidden}.hero-slide{object-fit:contain;filter:brightness(.5)saturate(.66);backface-visibility:hidden;will-change:transform, opacity;width:100%;height:100%;position:absolute;inset:0;transform:translate(0,0)}.hero-slide-enter.hero-slide-next{animation:.76s cubic-bezier(.22,.61,.36,1) both heroEnterNext}.hero-slide-exit.hero-slide-next{animation:.76s cubic-bezier(.22,.61,.36,1) both heroExitNext}.hero-slide-enter.hero-slide-prev{animation:.76s cubic-bezier(.22,.61,.36,1) both heroEnterPrev}.hero-slide-exit.hero-slide-prev{animation:.76s cubic-bezier(.22,.61,.36,1) both heroExitPrev}@keyframes heroEnterNext{0%{opacity:.18;transform-origin:100%;transform:translate3d(5%,0,-80px)rotateY(-7deg)}to{opacity:1;transform-origin:100%;transform:translate(0,0)rotateY(0)}}@keyframes heroExitNext{0%{opacity:1;transform-origin:0;transform:translate(0,0)rotateY(0)}to{opacity:0;transform-origin:0;transform:translate3d(-5%,0,-80px)rotateY(7deg)}}@keyframes heroEnterPrev{0%{opacity:.18;transform-origin:0;transform:translate3d(-5%,0,-80px)rotateY(7deg)}to{opacity:1;transform-origin:0;transform:translate(0,0)rotateY(0)}}@keyframes heroExitPrev{0%{opacity:1;transform-origin:100%;transform:translate(0,0)rotateY(0)}to{opacity:0;transform-origin:100%;transform:translate3d(5%,0,-80px)rotateY(-7deg)}}.hero:after{content:"";z-index:1;pointer-events:none;background:linear-gradient(90deg,#070708e6 0%,#0707089e 43%,#07070852 72%,#0707089e 100%),linear-gradient(#0000 72%,#080809 100%);position:absolute;inset:0}.hero-grid{z-index:2;opacity:.15;background-image:linear-gradient(#ffffff29 1px,#0000 1px),linear-gradient(90deg,#ffffff1f 1px,#0000 1px);background-size:76px 76px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(90deg,#000,#0000 78%);mask-image:linear-gradient(90deg,#000,#0000 78%)}.hero-inner{z-index:3;width:var(--shell);align-items:center;min-height:100vh;margin:0 auto;padding:150px 0 110px;display:flex;position:relative}.hero-arrow{z-index:4;color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#08080961;border:1px solid #ffffff57;border-radius:50%;place-items:center;width:52px;height:52px;transition:background .25s,border-color .25s,transform .25s;display:grid;position:absolute;top:50%;transform:translateY(-50%)}.hero-arrow:hover{background:#d81723d1;border-color:#ffffffb8;transform:translateY(-50%)scale(1.05)}.hero-arrow svg{fill:none;stroke:currentColor;stroke-width:1.7px;width:22px}.hero-arrow-prev{left:28px}.hero-arrow-prev svg{transform:rotate(180deg)}.hero-arrow-next{right:28px}.hero-copy{max-width:1050px}.eyebrow{letter-spacing:.16em;color:#e2ded8;text-transform:uppercase;align-items:center;gap:14px;margin:0 0 24px;font-size:15px;font-weight:700;line-height:1.2;display:flex}.eyebrow span{background:var(--red);width:36px;height:2px;box-shadow:12px 0 0 var(--gold)}.hero h1{letter-spacing:-.065em;max-width:1030px;margin:0;font-size:clamp(68px,7.2vw,132px);font-weight:800;line-height:.96}.hero h1 em{color:var(--red);text-shadow:0 0 46px #d817233b;font-style:normal}.hero-lead{color:#c2beb8;max-width:800px;margin:38px 0 0;font-size:21px;line-height:1.85}.hero-actions{align-items:center;gap:18px;margin-top:44px;display:flex}.button{border:1px solid var(--line-strong);justify-content:center;align-items:center;gap:13px;min-height:50px;padding:0 24px;transition:font-size .18s cubic-bezier(.16,1,.3,1),background .25s,border-color .25s;display:inline-flex}.button:hover{border-color:#fff}.button.primary{background:var(--red);border-color:var(--red);color:#fff;font-weight:700}.button.primary:hover{background:#ef202c;border-color:#ef202c}.button.text{color:#d7d3ce;border-color:#0000;padding-inline:8px}.hero-specs{border:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#09090a66;grid-template-columns:repeat(3,minmax(180px,1fr));display:grid;position:absolute;bottom:74px;right:0}.hero-specs div{border-left:1px solid var(--line);padding:18px 24px}.hero-specs div:first-child{border-left:0}.hero-specs div:nth-child(4){border-top:1px solid var(--line);border-left:0;grid-column:1/-1}.hero-specs strong,.hero-specs span{display:block}.hero-specs strong{letter-spacing:.05em;font-size:20px}.hero-specs span{color:#c8c4bf;margin-top:8px;font-size:15px;line-height:1.5}.section-intro h2,.product-heading h2,.contact-heading h2{letter-spacing:-.05em;margin:0;font-size:clamp(48px,5.2vw,88px);line-height:1.08}.about{background:#0b0b0c57}.about-grid{grid-template-columns:.85fr 1.15fr;gap:76px 11vw;display:grid}.about-copy{max-width:780px;padding-top:6px}.about-copy p{color:var(--muted);margin:0 0 24px;font-size:18px;line-height:2}.about-copy .lead{color:var(--text);font-size:23px;line-height:1.7}.about-metrics{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-column:1/-1;grid-template-columns:repeat(4,1fr);display:grid}.about-metrics div{border-left:1px solid var(--line);padding:34px clamp(24px,4vw,60px)}.about-metrics div:first-child{border-left:0;padding-left:0}.about-metrics strong{color:var(--gold);letter-spacing:-.04em;font-size:clamp(32px,4vw,64px);display:block}.about-metrics span{color:var(--muted);margin-top:10px;font-size:17px;display:block}.product{background:#0e0e1066}.product:after{content:"APP";color:#ffffff05;pointer-events:none;font-size:31vw;font-weight:900;line-height:1;position:absolute;top:110px;right:-40px}.product-heading{z-index:1;grid-template-columns:1fr .75fr;align-items:end;gap:80px;margin-bottom:74px;display:grid;position:relative}.product-heading>p{color:var(--muted);margin:0 0 6px;font-size:18px;line-height:1.9}.feature-rail{z-index:1;border:1px solid var(--line);grid-template-columns:repeat(4,1fr);margin-bottom:72px;display:grid;position:relative}.feature-rail article{border-left:1px solid var(--line);background:#ffffff03;min-height:210px;padding:28px}.feature-rail article:first-child{border-left:0}.feature-rail span{color:var(--red);font-size:15px;font-weight:800}.feature-rail h3{margin:34px 0 12px;font-size:21px}.feature-rail p{color:var(--muted);margin:0;font-size:17px;line-height:1.7}.screen-gallery{z-index:1;grid-template-columns:minmax(0,1fr) 300px;gap:24px;display:grid;position:relative}.screen-stage{aspect-ratio:16/9;border:1px solid var(--line);background:#09090a94;justify-content:center;align-items:center;min-height:0;padding:12px;display:flex;position:relative;overflow:hidden}.screen-stage:before{content:"";border:1px solid #d8172338;border-radius:50%;width:540px;height:540px;position:absolute;top:-210px;right:-170px;box-shadow:0 0 0 80px #d8172306,0 0 0 160px #f0b32105}.screen-stage img{z-index:1;object-fit:contain;filter:saturate(.96)contrast(1.02);width:100%;height:100%;max-height:none;position:relative}.screen-caption{z-index:2;pointer-events:none;background:linear-gradient(#0000,#09090ab8 46%,#09090af0 100%);align-items:flex-end;gap:24px;padding:62px 24px 20px;display:flex;position:absolute;bottom:12px;left:12px;right:12px}.screen-caption>span{color:var(--red);letter-spacing:.1em;font-size:15px;font-weight:700}.screen-caption strong{font-size:18px;display:block}.screen-caption p{color:var(--muted);margin:7px 0 0;font-size:15px}.screen-tabs{border-top:1px solid var(--line);flex-direction:column;display:flex}.screen-tabs button{border:0;border-bottom:1px solid var(--line);text-align:left;cursor:pointer;min-height:62px;color:var(--muted);background:0 0;flex:1;align-items:center;gap:18px;padding:14px 20px;font-size:17px;transition:color .2s,background .2s,font-size .18s cubic-bezier(.16,1,.3,1);display:flex}.screen-tabs button span{color:#8a8681;font-size:14px}.screen-tabs button:hover{color:#fff;background:#ffffff06}.screen-tabs button.active{color:#fff;background:var(--red)}.screen-tabs button.active span{color:#ffffffb3}.terminal{background:linear-gradient(145deg,#0a0a0b61 20%,#14090b70 100%)}.terminal-layout{grid-template-columns:.9fr 1fr;gap:100px;margin-bottom:76px;display:grid}.terminal-copy{max-width:760px}.terminal-copy p{color:var(--muted);font-size:18px;line-height:1.95}.terminal-copy .lead{color:#fff;margin-top:0;font-size:23px;line-height:1.7}.terminal-copy .terminal-help-text{color:var(--gold);font-size:23px;line-height:1.7}.terminal-contact-link{margin-top:22px}.terminal .screen-stage{min-height:0}.advantages{background:#0a0a0b5c}.advantages .section-intro{margin-bottom:80px}.advantage-grid{background:var(--line);border:1px solid var(--line);grid-template-rows:repeat(3,minmax(0,1fr));grid-template-columns:1fr 1fr;gap:1px;display:grid}.advantage-list{grid-template-rows:subgrid;background:#0d0d0f94;grid-row:1/span 3;display:grid}.advantage-list:first-child{grid-column:1}.advantage-list:last-child{grid-column:2}.advantage-list article{border-bottom:1px solid var(--line);grid-template-columns:56px 1fr;align-items:center;gap:28px;padding:36px 44px;display:grid}.advantage-list article:last-child{border-bottom:0}.advantage-list article>span{color:var(--gold);font-size:16px}.advantage-list h3{color:#f0b321;margin:0 0 10px;font-size:30px}.advantage-list p{color:var(--muted);margin:0;font-size:19px;line-height:1.7}.comparison{border-top:1px solid var(--line);margin-top:92px}.comparison>div{border-bottom:1px solid var(--line);grid-template-columns:.65fr 1.35fr 1.1fr;align-items:start;gap:34px;padding:30px 20px;display:grid}.comparison>div>*{margin:0}.comparison>div>strong:first-child{color:#fff;font-size:18px}.comparison p,.comparison span{font-size:18px;line-height:1.7}.comparison>div:not(.comparison-head)>:nth-child(2){color:#67d391}.comparison>div:not(.comparison-head)>:nth-child(3){color:#ef6969;padding-left:28px}.comparison .comparison-head{background:#ffffff06;padding-top:18px;padding-bottom:18px}.comparison-head>*{color:var(--gold);font-size:18px;font-weight:700}.comparison-head>:nth-child(3){padding-left:28px}.faq{background:#10101266}.faq-grid{grid-template-columns:.75fr 1.25fr;gap:10vw;display:grid}.faq .section-intro{align-self:start;position:static}.faq .section-intro p:last-child{max-width:540px;color:var(--muted);font-size:18px;line-height:1.9}.faq-list{border-top:1px solid var(--line-strong)}.faq-list article{border-bottom:1px solid var(--line)}.faq-list h3{margin:0}.faq-list button{text-align:left;cursor:pointer;background:0 0;border:0;grid-template-columns:48px 1fr 24px;align-items:center;gap:24px;width:100%;padding:28px 0;font-size:18px;display:grid}.faq-list button .faq-index{color:var(--red);font-size:14px;font-weight:700}.faq-question{transform-origin:0;transition:transform .18s cubic-bezier(.16,1,.3,1);display:inline-block}.faq-list button i{width:18px;height:18px;position:relative}.faq-list button i:before,.faq-list button i:after{content:"";background:#fff;height:1px;transition:transform .25s;position:absolute;inset:8px 0 auto}.faq-list button i:after{transform:rotate(90deg)}.faq-list article.open button i:after{transform:rotate(0)}.faq-answer{grid-template-rows:0fr;transition:grid-template-rows .28s cubic-bezier(.22,1,.36,1);display:grid}.faq-answer-inner{opacity:0;min-height:0;transition:opacity .18s,transform .28s cubic-bezier(.22,1,.36,1);overflow:hidden;transform:translateY(-6px)}.faq-answer p{color:var(--muted);margin:0 48px 30px 72px;font-size:17px;line-height:1.9}.faq-list article.open .faq-answer{grid-template-rows:1fr}.faq-list article.open .faq-answer-inner{opacity:1;transform:translate(0,0)}.download{background:radial-gradient(circle at 85% 40%,#d8172314,#0000 26%),#09090a5c}.download-layout{grid-template-columns:.8fr 1.2fr;gap:10vw;display:grid}.download-steps{border-top:1px solid var(--line-strong);margin:0;padding:0;list-style:none}.download-steps li{border-bottom:1px solid var(--line);grid-template-columns:66px 1fr;gap:28px;padding:30px 0;display:grid}.download-steps li>span{color:var(--red);font-size:15px;font-weight:700}.download-steps h3{margin:0 0 10px;font-size:21px}.download-steps p{color:var(--muted);margin:0;font-size:17px;line-height:1.75}.apk-download-link{color:var(--red);text-underline-offset:5px;text-decoration:underline;transition:color .2s}.apk-download-link:hover,.apk-download-link:focus-visible{color:#ff5861}.download-callout{border:1px solid var(--line);background:#11111394;justify-content:space-between;align-items:center;gap:30px;margin-top:90px;padding:30px 36px;display:flex}.download-callout strong{font-size:20px}.download-callout p{color:var(--muted);margin:7px 0 0;font-size:17px}.contact{background:linear-gradient(145deg,#1607096b,#07070870 55%,#0e0b0666);align-items:center;min-height:100vh;padding:120px 0 38px;display:flex;position:relative;overflow:hidden}.contact:before{content:"";opacity:.12;background-image:linear-gradient(#ffffff24 1px,#0000 1px),linear-gradient(90deg,#ffffff24 1px,#0000 1px);background-size:88px 88px;position:absolute;inset:0}.contact-orbit{border:1px solid #d817234d;border-radius:50%;width:780px;height:780px;position:absolute;top:-260px;right:-240px;box-shadow:0 0 0 100px #d8172306,0 0 0 200px #f0b32105}.contact-inner{z-index:1;position:relative}.contact-heading{grid-template-columns:1fr .55fr;align-items:end;gap:80px;display:grid}.contact-heading .eyebrow{grid-column:1/-1;margin-bottom:-30px}.contact-heading>p:last-child{color:var(--muted);margin:0 0 12px;font-size:18px}.qr-grid{grid-template-columns:repeat(3,1fr);gap:20px;margin-top:64px;display:grid}.qr-grid figure{border:1px solid var(--line);background:#ffffff06;grid-template-columns:minmax(190px,220px) minmax(150px,190px);justify-content:center;align-items:center;gap:26px;min-height:270px;margin:0;padding:20px 24px;display:grid}.qr-grid figure>div{aspect-ratio:1;background:#fff;justify-content:center;align-items:center;padding:8px;display:flex}.qr-grid img{object-fit:contain;width:100%;height:100%}.qr-grid strong,.qr-grid span{display:block}.qr-grid strong{font-size:20px}.qr-grid span{color:var(--muted);margin-top:10px;font-size:15px;line-height:1.6}.contact-meta{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:1.1fr 1.4fr 1fr;gap:30px;margin-top:46px;padding:26px 0;display:grid}.contact-meta span,.contact-meta strong,.contact-meta a{display:block}.contact-meta span{color:var(--muted);margin-bottom:8px;font-size:13px}.contact-meta strong,.contact-meta a{font-size:16px;font-weight:600}.contact footer{grid-template-columns:1fr auto;align-items:center;gap:10px 30px;margin-top:34px;display:grid}.contact footer .brand img{width:38px;height:38px}.contact footer>p{color:var(--muted);grid-column:1;margin:0;font-size:16px}.contact footer>div{color:var(--muted);flex-direction:column;grid-area:1/2/3;align-items:flex-end;gap:8px;font-size:14px;display:flex}.contact footer a:hover{color:#fff}@media (hover:hover) and (pointer:fine){a[href]:hover,button:not(:disabled):hover{font-size:118%}.brand:hover strong{font-size:21px}.brand:hover small{font-size:9.5px}.faq-list button:not(:disabled):hover{font-size:18px}.faq-list button:not(:disabled):hover .faq-question{transform:scale(1.06)}}.reveal{opacity:0;transition:opacity .75s cubic-bezier(.2,.75,.25,1),transform .75s cubic-bezier(.2,.75,.25,1);transform:translateY(26px)}.reveal.is-visible{opacity:1;transform:translateY(0)}@media (width<=1450px){:root{--shell:min(1700px, calc(100vw - 64px))}.site-header nav{gap:14px}.site-header nav a{font-size:14px}.header-contact{padding-inline:13px}.screen-stage{min-height:0}.qr-grid figure{grid-template-columns:180px minmax(150px,180px);justify-content:center;min-height:230px}}@media (width<=1120px){:root{--shell:calc(100vw - 40px)}.site-header{background:0 0}.menu-toggle{border:1px solid var(--line);background:0 0;flex-direction:column;justify-content:center;align-items:center;gap:7px;width:48px;height:48px;margin-left:auto;display:flex}.menu-toggle span{background:#fff;width:20px;height:1px}.site-header nav{-webkit-backdrop-filter:blur(22px)saturate(140%);backdrop-filter:blur(22px)saturate(140%);background:#0c0c0ed1;border:1px solid #ffffff29;border-radius:16px;flex-direction:column;align-items:stretch;padding:20px;display:none;position:absolute;top:86px;left:20px;right:20px;box-shadow:0 18px 48px #00000057,inset 0 1px #ffffff12}.site-header nav.open{display:flex}.site-header nav a{align-items:center;min-height:44px;font-size:16px;display:flex}.site-header nav .nav-contact-mobile{background:var(--red);color:#fff;justify-content:center;margin-top:4px;padding:0 14px;display:flex}.header-contact{display:none}.hero-specs{bottom:38px;right:0}.about-grid,.product-heading,.terminal-layout,.faq-grid,.download-layout,.contact-heading{grid-template-columns:1fr;gap:48px}.feature-rail{grid-template-columns:repeat(2,1fr)}.feature-rail article:nth-child(3){border-left:0;border-top:1px solid var(--line)}.feature-rail article:nth-child(4){border-top:1px solid var(--line)}.screen-gallery{grid-template-columns:1fr}.screen-tabs{grid-template-columns:repeat(3,1fr);display:grid}.screen-tabs button{border-right:1px solid var(--line)}.advantage-grid{grid-template-rows:auto;grid-template-columns:1fr}.advantage-list,.advantage-list:first-child,.advantage-list:last-child{grid-area:auto;grid-template-rows:repeat(3,auto)}.faq .section-intro{position:static}.contact-heading .eyebrow{margin-bottom:0}.qr-grid{grid-template-columns:1fr}.qr-grid figure{grid-template-columns:210px minmax(150px,210px);justify-content:center;min-height:250px}.contact-meta{grid-template-columns:1fr}}@media (width<=720px){:root{--shell:calc(100vw - 28px)}.section{padding:84px 0}.site-header{padding-top:max(10px, env(safe-area-inset-top));padding-bottom:10px}.site-header.scrolled{padding-top:max(8px, env(safe-area-inset-top));padding-bottom:8px}.header-inner{border-radius:16px;width:calc(100vw - 20px);padding:8px 10px}.site-header nav{left:10px;right:10px;top:calc(78px + env(safe-area-inset-top));max-height:calc(100vh - 96px - env(safe-area-inset-top) - env(safe-area-inset-bottom));overscroll-behavior:contain;padding:14px 18px;overflow-y:auto}.brand{gap:10px;min-width:0}.brand>span{min-width:0;display:flex}.brand strong{color:#fff;letter-spacing:.08em;white-space:nowrap;font-size:17px}.brand small{letter-spacing:.08em;color:#ffffffb8;white-space:nowrap;margin-top:6px;font-size:10px;line-height:1.2}.brand-subtitle-desktop{display:none}.brand-subtitle-mobile{display:block}.opening-mark img{border-radius:21px;width:104px;height:104px}.opening-mark span{font-size:14px}.hero{min-height:0}.hero-slide{object-position:center 42%}.hero-inner{min-height:0;padding:130px 0 calc(88px + env(safe-area-inset-bottom));display:block}.hero h1{letter-spacing:-.04em;font-size:clamp(44px,14vw,55px);line-height:.98}.hero-lead{margin-top:28px;font-size:17px;line-height:1.75}.hero-actions{flex-direction:column;align-items:stretch;gap:12px;margin-top:30px}.hero-actions .button{min-height:52px}.hero-arrow{display:none}.hero-arrow-prev{left:18px}.hero-arrow-next{right:18px}.hero-specs{grid-template-columns:repeat(2,minmax(0,1fr));width:100%;margin-top:34px;position:relative;inset:auto}.hero-specs div{border-left:1px solid var(--line);border-top:0;padding:15px 14px}.hero-specs div:nth-child(3){border-top:1px solid var(--line);border-left:0}.hero-specs div:nth-child(4){border-left:1px solid var(--line);grid-column:auto}.hero-specs strong{font-size:17px}.hero-specs span{font-size:16px}.section-intro h2,.product-heading h2,.contact-heading h2{letter-spacing:-.035em;font-size:clamp(38px,11vw,46px);line-height:1.1}.eyebrow{letter-spacing:.12em;margin-bottom:20px;font-size:14px}.about-copy p,.product-heading>p,.terminal-copy p,.faq .section-intro p:last-child{font-size:17px;line-height:1.8}.about-copy .lead,.terminal-copy .lead,.terminal-copy .terminal-help-text{font-size:20px;line-height:1.65}.about-metrics,.feature-rail{grid-template-columns:1fr}.about-metrics div,.about-metrics div:first-child{border-left:0;border-top:1px solid var(--line);padding:24px 0}.about-metrics strong{font-size:38px}.feature-rail{margin-bottom:48px}.feature-rail article{border-left:0;border-top:1px solid var(--line);min-height:0;padding:24px 20px}.feature-rail h3{margin-top:22px}.terminal-layout{margin-bottom:52px}.screen-stage,.terminal .screen-stage{min-height:0;padding:0}.screen-caption{text-align:left;gap:14px;padding:38px 14px 16px;display:block;bottom:0;left:0;right:0}.screen-caption>span{display:none}.screen-caption>div{text-align:left;width:100%}.screen-caption p{text-align:left;font-size:14px}.screen-caption strong{font-size:16px}.screen-tabs{grid-template-columns:repeat(2,1fr)}.screen-tabs button{gap:10px;min-height:58px;padding:12px 14px;font-size:16px}.advantage-list article{grid-template-columns:42px 1fr;padding:26px 18px}.advantage-list h3{font-size:25px}.advantage-list p{font-size:17px}.comparison{margin-top:58px;overflow:visible}.comparison .comparison-head{display:none}.comparison>div:not(.comparison-head){grid-template-columns:1fr;gap:14px;min-width:0;padding:24px 0}.comparison>div:not(.comparison-head)>strong:first-child{font-size:20px}.comparison>div:not(.comparison-head)>p{text-align:left;width:100%;margin-left:0;padding-left:0;font-size:17px}.comparison>div:not(.comparison-head)>:nth-child(3){padding-left:0}.comparison>div:not(.comparison-head)>p:before{color:#fff;text-align:left;margin-bottom:7px;font-size:17px;font-weight:700;display:block}.comparison>div:not(.comparison-head)>:nth-child(2):before{content:"影牛牛";color:#67d391}.comparison>div:not(.comparison-head)>:nth-child(3):before{content:"传统模式";color:#ef6969}.faq-list button{grid-template-columns:34px 1fr 20px;gap:12px;min-height:64px;padding:20px 0;font-size:18px}.faq-answer p{margin-left:46px;margin-right:0;font-size:17px}.download-steps li{grid-template-columns:44px 1fr;gap:16px;padding:24px 0}.download-steps p{font-size:17px}.download-callout{flex-direction:column;align-items:flex-start}.download-callout .button{width:100%}.contact{min-height:0;padding:96px 0 max(30px, env(safe-area-inset-bottom))}.qr-grid{gap:16px;margin-top:46px}.qr-grid figure{grid-template-columns:1fr;min-height:0;padding:20px}.qr-grid figure>div{width:min(100%,250px);margin:0 auto}.qr-grid figcaption{text-align:center}.contact-meta{gap:20px}.contact-meta span{font-size:14px}.contact footer{grid-template-columns:1fr}.contact footer>div{grid-area:auto;align-items:flex-start;margin-top:20px}}@media (width<=380px){:root{--shell:calc(100vw - 20px)}.hero h1{font-size:43px}.hero-specs strong{font-size:16px}.hero-specs div{padding-inline:10px}.screen-tabs{grid-template-columns:1fr}.screen-tabs button{min-height:52px}.qr-grid figure{padding-inline:14px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}a[href],button:not(:disabled),.brand strong,.brand small{transition-duration:.18s!important}.opening-screen{display:none}.hero-slide{transform:none}.reveal{opacity:1;transform:none}}
