@charset "UTF-8";
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}svg{width:21px;height:21px;flex:none}img{display:block;max-width:100%}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}::selection{background:var(--soft);color:var(--ink)}.wrap{max-width:1200px;padding:0 36px;margin:auto}.top{position:sticky;top:0;z-index:50;background:var(--header);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav{height:86px;display:flex;align-items:center;gap:40px}.brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:750;white-space:nowrap;letter-spacing:-.5px}.brandmark{width:36px;height:36px;border-radius:11px;background:var(--accent);color:var(--bg);display:grid;place-items:center}.brandmark svg{width:21px}.links{display:flex;gap:30px;margin-left:auto;font-size:14px}.links a{color:var(--muted)}.links a:hover{color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;border:1px solid transparent;border-radius:9px;background:var(--accent);color:var(--btnink);padding:12px 22px;line-height:1.45;font-size:14px;font-weight:650;transition:transform .18s,filter .18s}.btn:hover{filter:brightness(1.06);transform:translateY(-2px)}.btn.small{padding:10px 16px}.btn.ghost{background:transparent;border-color:var(--line);color:var(--ink)}.menu{display:none}.hero{padding:54px 0 44px}.hero-box{display:grid;grid-template-columns:1fr 1.02fr;min-height:490px;border-radius:18px;overflow:hidden;background:#202b27;color:#fff;position:relative}.hero-copy{padding:55px 0 46px 48px;z-index:2;position:relative}.eyebrow{font-size:11px;letter-spacing:2.6px;font-weight:650;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:10px}.eyebrow:before{content:"";width:20px;height:1px;background:currentColor}.hero .eyebrow{color:var(--soft);letter-spacing:1.4px;font-size:12px}.hero h1{font-size:48px;line-height:1.3;letter-spacing:-1.8px;margin:24px 0 22px;font-weight:650}.hero-copy>p{font-size:14px;line-height:1.95;color:#d7ded7;max-width:365px;margin:0 0 26px}.hero .btn{background:var(--soft);color:#23302a}.hero .btn.ghost{background:transparent;border-color:#ffffff50;color:white}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-note{display:flex;align-items:center;gap:7px;margin-top:25px;color:#afc0b5;font-size:11px;letter-spacing:.3px}.hero-note svg{width:15px;height:15px}.hero-art{position:relative;min-height:480px;display:flex;align-items:center;justify-content:center;isolation:isolate}.hero-art:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,color-mix(in srgb,var(--soft) 17%,transparent),transparent 70%)}.art-poster{width:83%;aspect-ratio:650/550;position:relative;transform:rotate(5deg);border:8px solid #f7ead6;box-shadow:0 24px 50px #0005;border-radius:3px;overflow:hidden;margin-right:15px}.art-poster img{width:100%;height:100%;object-fit:cover}.poster-label{position:absolute;left:32px;bottom:35px;color:white;text-shadow:0 2px 10px #0004}.poster-label span{font-size:9px;letter-spacing:3px;display:block}.poster-label strong{font-weight:550;font-size:34px;letter-spacing:3px;display:block;margin-top:4px}.art-stamp{position:absolute;right:19px;top:52px;background:var(--soft);color:#26392f;border-radius:50%;width:81px;height:81px;display:grid;place-content:center;text-align:center;font-size:11px;line-height:1.6;transform:rotate(12deg);border:1px dashed #26392f60;outline:5px solid var(--soft)}.art-stamp svg{margin:0 auto 3px;width:20px}.under-hero{display:flex;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);padding:21px 0;color:var(--muted);font-size:11px;letter-spacing:1px}.under-hero b{font-weight:500;color:var(--ink)}.section{padding:36px 0 45px}.heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:27px}.heading h2{font-size:29px;font-weight:650;letter-spacing:-.8px;margin:8px 0 0;line-height:1.4}.heading p{font-size:12px;color:var(--muted);max-width:350px;margin:0}.themes{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.topic{display:block;background:var(--card);border:1px solid var(--line);padding:23px;border-radius:12px;transition:transform .18s,border-color .18s}.topic:hover{transform:translateY(-4px);border-color:var(--accent)}.topic-top{display:flex;justify-content:space-between;align-items:center;color:var(--accent)}.topic-num{font-size:10px;letter-spacing:2px}.topic h3{font-size:19px;margin:25px 0 10px;font-weight:600;letter-spacing:-.5px}.topic p{font-size:12px;color:var(--muted);line-height:1.9;margin:0;min-height:70px}.topic-more{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--accent);margin-top:19px}.topic-more svg{width:15px}.guide-band{display:grid;grid-template-columns:1fr 1.8fr;gap:38px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:36px 0}.guide-band h2{font-size:27px;line-height:1.5;margin:9px 0 15px;letter-spacing:-.8px}.guide-band>div>p{font-size:12px;color:var(--muted);max-width:230px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.step-num{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;color:var(--accent);background:var(--soft);font-size:12px;margin-bottom:18px}.step h3{font-size:15px;font-weight:600;margin:0 0 10px}.step p{font-size:12px;color:var(--muted);line-height:1.9;margin:0 0 13px}.text-link{display:inline-flex;align-items:center;gap:5px;color:var(--accent);font-size:12px;border-bottom:1px solid color-mix(in srgb,var(--accent) 40%,transparent);padding-bottom:2px}.text-link svg{width:15px;height:15px}.bottom-grid{display:grid;grid-template-columns:1fr 1fr;gap:62px;margin-top:50px}.device-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:27px}.device-title{display:flex;gap:12px;align-items:center;margin-bottom:18px}.device-title>span{width:43px;height:43px;background:var(--soft);color:var(--accent);border-radius:11px;display:grid;place-items:center}.device-title h3{font-weight:650;font-size:18px;margin:0}.device-title p{font-size:11px;margin:1px 0 0;color:var(--muted)}.device-note{font-size:12px;color:var(--muted);margin:16px 0 0}.device-actions{display:flex;gap:10px;flex-wrap:wrap}.faq h2{font-size:24px;margin:0 0 17px;font-weight:650}.faq details{border-bottom:1px solid var(--line);padding:13px 0}.faq summary{cursor:pointer;font-size:13px;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px}.faq summary:after{content:"+";font-size:20px;font-weight:300;color:var(--accent)}.faq details[open] summary:after{content:"−"}.faq details p{font-size:12px;line-height:1.9;color:var(--muted);margin-bottom:3px}.footer{padding:28px 0 34px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.footer .wrap{display:flex;justify-content:space-between;gap:15px;align-items:center}.footer a{margin-left:18px}.mobile-bottom{display:none}.article{max-width:800px;margin:48px auto 70px;background:var(--card);border:1px solid var(--line);border-radius:15px;padding:44px}.article h1{font-size:34px;line-height:1.4;margin:12px 0 22px;letter-spacing:-1px}.article h2{font-size:21px;margin-top:28px}.article p,.article li{font-size:14px;color:var(--muted);line-height:2}.article .lead{font-size:16px;color:var(--ink)}.article-art{width:100%;height:210px;object-fit:cover;border-radius:10px;margin:23px 0}.article ul{padding-left:23px}.back{font-size:12px;color:var(--accent)}.article-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.preview-strip{background:#27332e;color:white;padding:12px 24px;font-size:13px;display:flex;gap:20px;align-items:center;justify-content:center;flex-wrap:wrap}.preview-strip a{padding:4px 8px;border:1px solid #ffffff55;border-radius:4px}.preview-strip strong{font-weight:500}.index-title{text-align:center;padding:42px 0 12px}.index-title h1{font-size:34px}.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:24px 0 60px}.preview-card{border:1px solid #dedbd2;background:white;border-radius:14px;overflow:hidden}.preview-card img{height:185px;width:100%;object-fit:cover}.preview-card div{padding:20px}.preview-card h2{font-size:21px;margin:0 0 5px}.preview-card p{font-size:12px;color:#686e67}.preview-card a{font-size:13px;color:#a65325}.muted{color:var(--muted)}
@media(min-width:1450px){.hero-box{min-height:510px}.hero-art{min-height:510px}}
@media(max-width:1000px){.wrap{padding:0 25px}.nav{gap:22px}.links{gap:20px}.hero-copy{padding:42px 0 36px 30px}.hero h1{font-size:39px}.hero-copy>p{max-width:310px;padding-right:10px}.hero-box{min-height:450px}.hero-art{min-height:450px}.art-poster{width:85%;margin:0}.poster-label{left:20px;bottom:25px}.poster-label strong{font-size:27px}.art-stamp{right:8px;top:70px;width:66px;height:66px;font-size:9px}.themes{gap:12px}.topic{padding:18px}.guide-band{grid-template-columns:1fr 2fr;gap:25px}.bottom-grid{gap:30px}.preview-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){html{scroll-padding-top:82px}.wrap{padding:0 20px}.nav{height:68px;gap:15px}.brand{font-size:19px;gap:9px}.brandmark{width:32px;height:32px;border-radius:9px}.nav>.btn{margin-left:auto;padding:9px 12px;font-size:11px;gap:5px}.nav>.btn svg{width:15px}.links{display:none;position:absolute;left:0;right:0;top:68px;background:var(--bg);padding:20px;box-shadow:0 8px 15px #0001;margin:0;flex-direction:column;gap:18px}.links.open{display:flex}.menu{display:grid;place-items:center;background:transparent;color:var(--ink);border:0;padding:5px}.hero{padding:23px 0 23px}.hero-box{grid-template-columns:1fr;border-radius:13px;min-height:0}.hero-copy{padding:28px 26px 0}.hero h1{font-size:36px;line-height:1.32;margin:17px 0 16px;letter-spacing:-1.3px}.hero-copy>p{font-size:12px;line-height:1.9;max-width:100%;padding:0;margin-bottom:20px}.hero .eyebrow{font-size:10px;letter-spacing:1px}.hero-actions{gap:8px}.hero .btn{padding:11px 13px;font-size:12px;gap:8px}.hero-note{font-size:10px;margin-top:16px;gap:5px}.hero-art{min-height:275px;margin:0 10px 10px}.art-poster{width:72%;max-width:310px;margin:24px 0 12px;transform:rotate(4deg);border-width:5px;aspect-ratio:650/440}.art-poster img{object-position:center 47%}.poster-label{left:20px;bottom:22px}.poster-label span{font-size:7px;letter-spacing:2px}.poster-label strong{font-size:26px;letter-spacing:2px}.art-stamp{width:60px;height:60px;right:13px;top:49px;outline-width:4px}.art-stamp svg{width:17px;height:17px}.under-hero{padding:17px 0;font-size:9px;letter-spacing:.3px;gap:10px}.under-hero span:nth-child(3){display:none}.section{padding:26px 0 31px}.heading{display:block;margin-bottom:19px}.heading h2{font-size:25px;margin-top:7px}.heading p{font-size:11px;margin-top:12px;max-width:100%}.eyebrow{font-size:9px;letter-spacing:2px}.themes{grid-template-columns:1fr 1fr;gap:11px}.topic{padding:17px 15px;border-radius:10px}.topic h3{font-size:17px;margin:17px 0 8px}.topic p{font-size:11px;line-height:1.85;min-height:80px}.topic-num{font-size:9px}.topic-more{font-size:10px;margin-top:14px}.guide-band{grid-template-columns:1fr;gap:24px;padding:28px 0}.guide-band h2{font-size:25px;line-height:1.4;margin:9px 0}.guide-band>div>p{max-width:none;margin-bottom:0}.steps{grid-template-columns:1fr;gap:19px}.step{position:relative;padding-left:46px}.step-num{position:absolute;left:0;top:1px;width:30px;height:30px;margin:0}.step h3{font-size:14px;margin-bottom:5px}.step p{font-size:11px;margin-bottom:5px}.bottom-grid{grid-template-columns:1fr;gap:32px;margin-top:30px}.device-card{padding:22px}.device-title h3{font-size:17px}.device-actions .btn{font-size:12px;padding:12px 14px;flex:1}.device-actions .btn svg{width:17px}.device-note{font-size:11px}.faq h2{font-size:23px}.faq summary{font-size:12px}.faq details p{font-size:11px}.footer{padding:23px 0 93px}.footer .wrap{display:block;font-size:10px}.footer a{margin:0 16px 0 0;display:inline-block;margin-top:10px}.mobile-bottom{position:fixed;left:12px;right:12px;bottom:max(10px,env(safe-area-inset-bottom));display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);box-shadow:0 3px 25px #0002;z-index:40;border-radius:12px;padding:9px 10px}.mobile-bottom .mini{padding:0 6px;font-size:10px;text-align:center;color:var(--muted);line-height:1.5;white-space:nowrap}.mobile-bottom .mini svg{display:block;width:17px;height:17px;margin:0 auto 2px}.mobile-bottom .btn{margin-left:auto;flex:1;font-size:12px;padding:11px 14px}.article{padding:25px 23px;margin:25px 0 36px}.article h1{font-size:27px}.article h2{font-size:19px}.article .lead{font-size:14px}.article p,.article li{font-size:13px}.article-art{height:180px}.article-actions .btn{font-size:12px;flex:1}.index-title h1{font-size:26px}.preview-grid{grid-template-columns:1fr}.preview-strip{font-size:11px;padding:10px;gap:8px}}
/* Preserve the shared horizontal gutter when a section also uses .wrap. */
.hero.wrap,.section.wrap{padding-left:36px;padding-right:36px}
.theme-dark .hero .eyebrow{color:var(--accent)}.theme-dark .hero .btn:not(.ghost){background:var(--accent);color:#16251a}.theme-dark .art-stamp{background:var(--accent);outline-color:var(--accent)}
@media(max-width:1000px){.hero.wrap,.section.wrap{padding-left:25px;padding-right:25px}}
@media(max-width:720px){.hero.wrap,.section.wrap{padding-left:20px;padding-right:20px}.device-actions{display:grid;grid-template-columns:1fr}.device-actions .btn{white-space:nowrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}