:root{--bg:#f5f2ea;--paper:#fffdf8;--text:#181817;--muted:#6d6b66;--line:rgba(24,24,23,.13);--accent:#ec4a32;--green:#568435}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:var(--bg);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;inset:0;z-index:-2;background-image:linear-gradient(rgba(24,24,23,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(24,24,23,.035) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(to bottom,#000,transparent 85%)}a{color:inherit;text-decoration:none}
.ambient{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}.ambient i{position:absolute;display:block;border-radius:50%;filter:blur(2px)}.ambient i:nth-child(1){width:42rem;height:42rem;top:-18rem;right:-8rem;background:radial-gradient(circle,rgba(236,74,50,.14),transparent 70%)}.ambient i:nth-child(2){width:35rem;height:35rem;left:-15rem;top:45%;background:radial-gradient(circle,rgba(86,132,53,.1),transparent 70%)}.ambient i:nth-child(3){width:28rem;height:28rem;right:5%;bottom:-13rem;background:radial-gradient(circle,rgba(255,181,122,.15),transparent 70%)}
.topbar,main,footer{width:min(1240px,calc(100% - 56px));margin-inline:auto}.topbar{height:90px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;color:#fff;background:var(--accent);font:700 19px/1 Georgia,serif;transition:rotate .45s,border-radius .45s}.brand:hover .brand-mark{rotate:-9deg;border-radius:50% 12px 50% 12px}.brand>span:last-child{display:flex;flex-direction:column;gap:2px}.brand b{font-size:14px;letter-spacing:.16em}.brand small{color:#7e7b75;font-size:8px;letter-spacing:.18em}.back-link{display:flex;align-items:center;gap:12px;padding:12px 17px;border:1px solid var(--line);border-radius:99px;font-size:12px;transition:color .3s,background .3s,transform .3s}.back-link i{font-style:normal;transition:transform .3s}.back-link:hover{color:#fff;background:var(--text);transform:translateY(-2px)}.back-link:hover i{transform:translateX(-4px)}
.product-hero{min-height:690px;display:grid;grid-template-columns:1.05fr .95fr;gap:8%;align-items:center;padding-block:85px}.status-row{display:flex;align-items:center;gap:9px;margin-bottom:30px;font:9px/1 monospace;letter-spacing:.13em}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 12px rgba(86,132,53,.55)}.status-row b{font-weight:500}.status-row i{padding:6px 8px;border:1px solid rgba(86,132,53,.25);border-radius:99px;color:var(--green);font-style:normal}.eyebrow,.section-title>p,.checksum p{color:var(--accent);font:600 9px/1 monospace;letter-spacing:.16em}h1{margin:0;font-size:clamp(4rem,7.4vw,7.5rem);line-height:.86;letter-spacing:-.075em}h1 em{color:var(--accent);font-family:Georgia,"Songti SC",serif;font-weight:500}.lead{max-width:580px;margin:32px 0 0;color:var(--muted);font-size:16px;line-height:1.9}.hero-actions{display:flex;align-items:center;gap:18px;margin-top:40px}.download-main{min-width:280px;display:flex;align-items:center;justify-content:space-between;padding:16px 17px 16px 21px;color:#fff;background:var(--accent);border-radius:10px;box-shadow:0 16px 30px rgba(236,74,50,.18);transition:transform .35s,box-shadow .35s}.download-main span{display:flex;flex-direction:column;gap:5px}.download-main small{opacity:.72;font:8px/1 monospace;letter-spacing:.12em}.download-main b{font-size:15px;letter-spacing:.04em}.download-main>i{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;color:var(--accent);background:#fff;font-style:normal;transition:transform .35s}.download-main:hover{transform:translateY(-5px);box-shadow:0 24px 45px rgba(236,74,50,.26)}.download-main:hover>i{transform:translateY(4px)}.size-note{color:#85817a;font:9px/1 monospace}
.visual{min-height:500px;position:relative;display:grid;place-items:center}.scan-frame{position:relative;width:min(430px,84%);aspect-ratio:1;border:1px solid var(--line);border-radius:30px;background:rgba(255,253,248,.68);box-shadow:0 40px 80px rgba(74,55,42,.11);overflow:hidden}.scan-frame:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at center,rgba(236,74,50,.09),transparent 45%)}.corner{position:absolute;width:38px;height:38px;border-color:var(--accent);border-style:solid}.c1{left:25px;top:25px;border-width:2px 0 0 2px}.c2{right:25px;top:25px;border-width:2px 2px 0 0}.c3{left:25px;bottom:25px;border-width:0 0 2px 2px}.c4{right:25px;bottom:25px;border-width:0 2px 2px 0}.scan-line{position:absolute;left:30px;right:30px;height:1px;top:20%;background:linear-gradient(90deg,transparent,var(--accent),transparent);box-shadow:0 4px 14px rgba(236,74,50,.6);animation:scan 3.4s ease-in-out infinite}@keyframes scan{50%{top:80%}}.boss-bar{position:absolute;left:14%;right:14%;top:23%;height:26px;padding:7px 10px;border:1px solid var(--line);border-radius:7px;overflow:hidden}.boss-bar i{position:absolute;inset:0 28% 0 0;background:rgba(236,74,50,.18)}.boss-bar span{position:relative;font:8px/1 monospace;letter-spacing:.1em}.ocr-core{position:absolute;left:50%;top:50%;translate:-50% -50%;width:120px;height:120px;display:grid;place-items:center;align-content:center;gap:7px;border:1px solid rgba(236,74,50,.32);border-radius:50% 25%;color:var(--accent);background:rgba(255,253,248,.8);box-shadow:0 0 0 18px rgba(236,74,50,.025),0 0 0 36px rgba(236,74,50,.018);animation:core 4s ease-in-out infinite}.ocr-core span{font:500 28px/1 Georgia,serif}.ocr-core b{color:#77736c;font-size:9px;font-weight:500}.event{position:absolute;min-width:105px;padding:10px;border:1px solid var(--line);border-radius:8px;background:rgba(255,253,248,.94);box-shadow:0 12px 22px rgba(74,55,42,.08)}.event small{display:block;color:var(--accent);font:8px/1 monospace}.event b{display:block;margin-top:5px;font-size:11px}.event-a{left:12%;bottom:22%;animation:float 4s ease-in-out infinite}.event-b{right:10%;top:32%;animation:float 4s 1s ease-in-out infinite}@keyframes core{50%{rotate:6deg;scale:1.03}}@keyframes float{50%{transform:translateY(-8px)}}.visual-label{position:absolute;padding:8px 10px;border:1px solid var(--line);background:rgba(245,242,234,.86);color:#77736c;font:8px/1 monospace;letter-spacing:.12em}.label-one{left:0;top:30%}.label-two{right:0;bottom:25%}
.facts{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;background:rgba(255,253,248,.58);overflow:hidden}.facts article{min-height:120px;display:flex;flex-direction:column;justify-content:center;gap:12px;padding:25px;border-right:1px solid var(--line)}.facts article:last-child{border:0}.facts small{color:#8d8982;font:8px/1 monospace;letter-spacing:.13em}.facts b{font-size:19px}.content-section{padding-block:120px;border-bottom:1px solid var(--line)}.section-title{display:grid;grid-template-columns:1fr 1fr;align-items:end;gap:30px;margin-bottom:50px}.section-title>p{grid-column:1/-1;margin:0}.section-title h2,.checksum h2{margin:0;font-size:clamp(2.7rem,5vw,4.7rem);letter-spacing:-.055em}.section-title>span{justify-self:end;max-width:430px;color:var(--muted);font-size:13px;line-height:1.8}.release-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.release-grid article{display:grid;grid-template-columns:42px 1fr;gap:18px;min-height:155px;padding:28px;border:1px solid var(--line);border-radius:15px;background:rgba(255,253,248,.6);transition:transform .35s,background .35s,box-shadow .35s}.release-grid article:hover{transform:translateY(-6px);background:var(--paper);box-shadow:0 22px 40px rgba(74,55,42,.08)}.release-grid article>span{color:var(--accent);font:9px/1 monospace}.release-grid h3{margin:0 0 10px;font-size:19px}.release-grid p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}
.download-list{border-top:1px solid var(--line)}.download-list>a{position:relative;display:grid;grid-template-columns:50px 1fr auto;align-items:center;gap:20px;padding:25px 14px;border-bottom:1px solid var(--line);overflow:hidden}.download-list>a:before{content:"";position:absolute;inset:0;z-index:-1;background:var(--text);transform:translateX(-101%);transition:transform .48s cubic-bezier(.2,.8,.2,1)}.download-list>a:hover:before{transform:none}.download-list>a:hover{color:#fff}.download-icon{width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;color:var(--accent);transition:color .35s,background .35s,transform .35s}.download-list>a:hover .download-icon{color:var(--text);background:#fff;transform:rotate(45deg)}.download-copy{display:flex;flex-direction:column;gap:5px}.download-copy small{color:var(--accent);font:8px/1 monospace;letter-spacing:.13em}.download-copy b{font-size:17px}.download-copy i{color:#85817a;font-size:11px;font-style:normal}.download-list>a:hover .download-copy i{color:#aaa}.download-size{display:flex;align-items:baseline;gap:5px}.download-size b{font-size:25px}.download-size small{font:8px/1 monospace}.checksum{display:grid;grid-template-columns:.7fr 1.3fr;align-items:end;gap:8%;padding-block:110px}.checksum h2{margin-top:16px}.hash-box{padding:25px;border:1px solid var(--line);border-radius:14px;background:rgba(255,253,248,.7)}.hash-box small{display:block;margin-bottom:13px;color:var(--accent);font:8px/1 monospace;letter-spacing:.14em}.hash-box code{display:block;color:#5f5c56;font:11px/1.8 monospace;overflow-wrap:anywhere}footer{min-height:170px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;border-top:1px solid var(--line);color:#77736c;font-size:10px;letter-spacing:.09em}.footer-brand .brand-mark{width:29px;height:29px;border-radius:8px;font-size:13px}.footer-brand small{letter-spacing:.1em}footer p{text-align:center}footer>span{justify-self:end}
@media(max-width:850px){.topbar,main,footer{width:min(100% - 34px,700px)}.product-hero{grid-template-columns:1fr;padding-top:65px}.visual{min-height:440px}.scan-frame{width:min(390px,86%)}.facts{grid-template-columns:1fr 1fr}.facts article:nth-child(2){border-right:0}.facts article:nth-child(-n+2){border-bottom:1px solid var(--line)}.section-title{grid-template-columns:1fr}.section-title>span{justify-self:start}.checksum{grid-template-columns:1fr;align-items:start}}
@media(max-width:560px){.topbar{height:72px}.brand>span:last-child small,.back-link span{display:none}.product-hero{min-height:auto;gap:40px;padding-block:55px 70px}h1{font-size:4.25rem}.lead{font-size:14px}.hero-actions{align-items:flex-start;flex-direction:column}.download-main{width:100%;min-width:0}.visual{min-height:350px}.scan-frame{width:300px}.visual-label{display:none}.event{min-width:92px;padding:8px}.ocr-core{width:95px;height:95px}.facts article{min-height:105px;padding:18px}.facts b{font-size:15px}.content-section{padding-block:85px}.section-title{margin-bottom:35px}.section-title h2,.checksum h2{font-size:2.7rem}.release-grid{grid-template-columns:1fr}.release-grid article{min-height:135px}.download-list>a{grid-template-columns:42px 1fr}.download-size{grid-column:2}.download-size b{font-size:20px}.checksum{padding-block:85px}.hash-box{padding:18px}footer{min-height:140px;grid-template-columns:1fr 1fr}footer p{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}}
.product-identity{display:flex;align-items:center;gap:14px;margin-bottom:26px}.product-identity>img{width:62px;height:62px;border-radius:15px;box-shadow:0 12px 26px rgba(38,53,74,.14)}.product-identity>div{display:flex;flex-direction:column;gap:9px}.product-identity>div>span{color:#7e7a73;font:8px/1 monospace;letter-spacing:.12em}.product-identity .status-row{margin-bottom:0}h1{font-size:clamp(3.7rem,6.7vw,6.8rem);line-height:.88}.ocr-core img{width:65px;height:65px;border-radius:14px;box-shadow:0 9px 18px rgba(38,53,74,.13)}.ocr-core b{font-size:8px;letter-spacing:.08em}
@media(max-width:560px){h1{font-size:3.75rem}.product-identity>img{width:54px;height:54px}.ocr-core img{width:56px;height:56px}}