@charset "UTF-8";
:root{--brick:#8b473d;--rose:#ead8d2;--paper:#f8f4f1;--ink:#2a211f;--muted:#776a66;--line:#dfd4cf;--shell:min(1160px,calc(100% - 40px))}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;background:var(--paper);color:var(--ink)}img{display:block;max-width:100%}a{text-decoration:none;color:inherit}.shell{width:var(--shell);margin:auto}
.header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{height:68px;display:grid;grid-template-columns:190px 1fr auto;align-items:center}.brand img{max-height:36px;width:auto}.status{text-align:center;font-size:9px;letter-spacing:.17em;color:#93756d}.header-cta{background:var(--brick);color:#fff;padding:11px 16px;font-size:12px;font-weight:900}
.hero{padding:64px 0;background:#ead8d2}.hero-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center;min-height:560px}.eyebrow,.intro-grid>div>span,.section-title span,.reinstall-title>span,.entry-grid article>span,.after-grid>div>span,.faq-title span{display:block;font-size:9px;letter-spacing:.16em;color:#9b554a;font-weight:900;margin-bottom:13px}.hero h1{font-family:Georgia,serif;font-size:clamp(58px,7vw,94px);line-height:.9;letter-spacing:-.055em;margin:18px 0 22px}.lead{font-size:17px;line-height:1.85;color:#57433e}.primary{display:inline-block;background:var(--brick);color:#fff;padding:14px 18px;font-size:12px;font-weight:900;margin-top:16px}
.reinstall-loop{position:relative;min-height:500px;background:#f9f3f0;border:1px solid #d9c8c2;display:grid;place-items:center;overflow:hidden}.loop-word{position:absolute;font-family:Georgia,serif;font-size:120px;color:#f0e4df;transform:rotate(-90deg);left:-135px;top:175px}.reinstall-loop figure{margin:0;z-index:2;background:#fff;border:1px solid var(--line);padding:22px;width:58%;height:410px;display:grid;place-items:center}.reinstall-loop img{max-height:350px;width:auto;object-fit:contain}.loop-step{position:absolute;background:#fff;border:1px solid var(--line);padding:8px 10px;font-size:8px;letter-spacing:.12em;font-weight:900}.s1{left:8%;top:8%}.s2{right:7%;top:13%}.s3{right:4%;bottom:14%}.s4{left:8%;bottom:9%}
.intro{padding:86px 0;background:#fff}.intro-grid{display:grid;grid-template-columns:340px 1fr;gap:80px}.intro-grid h2,.section-title h2,.reinstall-title h2,.after-grid h2,.faq-title h2{font-family:Georgia,serif;font-size:clamp(34px,4vw,52px);line-height:1.08;margin:0}.intro-copy{columns:2;column-gap:32px}.intro-copy p{break-inside:avoid;font-size:13px;line-height:1.85;color:var(--muted);margin-top:0}
.preview{padding:90px 0;background:#f3e9e5}.section-title{max-width:850px;margin-bottom:32px}.section-title p{font-size:13px;line-height:1.8;color:var(--muted)}.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.preview-grid figure{margin:0;background:#fff;border:1px solid var(--line);min-height:400px;padding:18px;display:flex;flex-direction:column}.preview-grid img{height:310px;object-fit:contain}.preview-grid figcaption{margin-top:auto;padding-top:10px;border-top:1px solid var(--line);font-size:11px;color:#7b6f6a}
.reinstall{padding:92px 0;background:#fff}.reinstall-grid{display:grid;grid-template-columns:320px 1fr;gap:80px}.reinstall-title p{font-size:13px;line-height:1.85;color:var(--muted)}.ledger{border-top:2px solid var(--brick)}.ledger article{display:grid;grid-template-columns:50px 1fr 110px;gap:16px;align-items:start;padding:16px 0;border-bottom:1px solid var(--line)}.ledger article>b{font-size:9px;color:#9b554a}.ledger h3{font-size:18px;margin:0 0 5px}.ledger p{font-size:12px;line-height:1.7;color:var(--muted);margin:0}.ledger article>span{text-align:right;font-size:8px;letter-spacing:.12em;color:#9c8d88}
.device-entry{padding:88px 0;background:#2d211e;color:#fff}.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.entry-grid article{background:#3a2b27;border:1px solid #513b35;min-height:280px;padding:22px;display:flex;flex-direction:column}.entry-grid article>span{color:#d39c90}.entry-grid h3{font-size:22px;margin:40px 0 9px}.entry-grid p{font-size:12px;line-height:1.75;color:#c6b7b2}.entry-grid a{margin-top:auto;background:#ead8d2;color:#4b2f29;padding:12px;text-align:center;font-size:11px;font-weight:900}
.after{padding:92px 0;background:#fff}.after-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}.after-grid ul{list-style:none;padding:0;margin:25px 0;border-top:1px solid var(--line)}.after-grid li{padding:11px 0;border-bottom:1px solid var(--line);font-size:12px}.after figure{margin:0;background:#f5ece8;min-height:450px;padding:28px;display:grid;place-items:center;position:relative}.after figure img{max-height:370px;width:auto;object-fit:contain}.after figcaption{position:absolute;left:15px;bottom:12px;color:#83746f;font-size:10px}
.faq-section{padding:92px 0;background:#f8f4f1}.faq-grid{display:grid;grid-template-columns:320px 1fr;gap:85px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{list-style:none;cursor:pointer;padding:22px 46px 22px 0;font-weight:900;position:relative}summary::after{content:"+";position:absolute;right:4px;top:16px;color:var(--brick);font-size:24px}details[open] summary::after{content:"−"}details p{margin:0 0 22px;font-size:13px;line-height:1.8;color:var(--muted)}
.reinstall-footer{background:#17110f;color:#fff}.rf-checks{min-height:130px;display:grid;grid-template-columns:repeat(4,1fr) 1.4fr;gap:10px;align-items:center}.rf-checks>div{border-right:1px solid #332622;padding-right:14px;display:flex;flex-direction:column;gap:5px}.rf-checks b{font-size:18px;color:#b97468}.rf-checks span{font-size:10px;color:#9d8c86}.rf-action{border-right:0!important}.rf-action a{background:#ead8d2;color:#482e28;padding:13px 16px;font-size:10px;font-weight:900;text-align:center}.rf-bottom{min-height:70px;border-top:1px solid #332622;display:grid;grid-template-columns:170px 1fr auto;gap:30px;align-items:center;padding-bottom:84px}.rf-bottom img{max-height:32px;width:auto}.rf-bottom span,.rf-bottom a{font-size:9px;color:#81736f}.mobile-bar{display:none}
@media(max-width:980px){.hero-layout,.intro-grid,.reinstall-grid,.after-grid,.faq-grid{grid-template-columns:1fr}.intro-copy{columns:1}.entry-grid{grid-template-columns:1fr}.rf-checks{grid-template-columns:1fr 1fr}.rf-action{grid-column:1/-1}}
@media(max-width:760px){:root{--shell:min(100% - 28px,1160px)}body{padding-bottom:64px}.status,.header-cta{display:none}.header-inner{grid-template-columns:1fr;height:62px}.hero{padding:46px 0}.hero h1{font-size:50px}.reinstall-loop{min-height:390px}.reinstall-loop figure{height:310px;width:64%}.reinstall-loop img{max-height:260px}.loop-word{font-size:80px;left:-95px;top:135px}.intro,.preview,.reinstall,.device-entry,.after,.faq-section{padding:66px 0}.preview-grid{display:flex;overflow:auto}.preview-grid figure{min-width:82%;min-height:380px}.preview-grid img{height:285px}.ledger article{grid-template-columns:35px 1fr}.ledger article>span{grid-column:2;text-align:left}.after figure{min-height:390px}.rf-checks{grid-template-columns:1fr 1fr;padding:28px 0}.rf-bottom{grid-template-columns:1fr;padding:22px 0 84px}.mobile-bar{position:fixed;left:0;right:0;bottom:0;height:62px;background:#17110f;display:flex;align-items:center;justify-content:space-between;padding:0 14px;z-index:50;color:#fff}.mobile-bar span{display:flex;flex-direction:column}.mobile-bar b{font-size:12px}.mobile-bar small{font-size:9px;color:#8d7d78}.mobile-bar a{background:#ead8d2;color:#482e28;padding:9px 16px;font-size:12px;font-weight:900}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}