:root{--bg:#fff;--soft:#fffbf0;--soft2:#fff6e0;--gray:#f7f7f8;--text:#333;--title:#1a1a1a;--muted:#666;--yellow:#ffb800;--yellow2:#ffc933;--deep:#e09000;--border:rgba(255,184,0,.15);--grayborder:rgba(0,0,0,.08);--shadow:0 14px 40px rgba(30,25,10,.08);--radius:18px;--max:1280px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button,input{font:inherit}button{cursor:pointer}.site-header{position:sticky;top:0;z-index:120;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--grayborder)}.nav-wrap{height:72px;max-width:var(--max);margin:auto;padding:0 24px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;min-width:max-content}.brand img{height:38px;width:auto;max-width:160px;object-fit:contain}.brand-fallback{font-size:24px;font-weight:900;color:var(--title)}.desktop-nav{display:flex;gap:4px;flex:1}.desktop-nav a,.nav-tool{min-height:44px;padding:10px 13px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;white-space:nowrap}.desktop-nav a:hover,.nav-tool:hover,.desktop-nav a.is-active,.nav-tool.is-active{background:var(--soft2)}.nav-actions{display:flex;align-items:center;gap:6px}.app-pill{min-height:44px;padding:9px 18px;border-radius:999px;background:linear-gradient(135deg,var(--yellow2),var(--yellow) 55%,var(--deep));font-weight:800;color:#1a1a1a;display:inline-flex;align-items:center}.app-pill.is-active{box-shadow:0 0 0 3px rgba(255,184,0,.18)}.icon-button{width:44px;height:44px;border:0;background:#fff;border-radius:14px;box-shadow:inset 0 0 0 1px var(--grayborder);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}.icon-button span{width:18px;height:2px;background:#222;border-radius:3px}.mobile-only{display:none}#main-content{min-height:60vh}.container{max-width:var(--max);margin:auto;padding:0 24px}.section{padding:72px 0}.section.compact{padding:44px 0}.soft{background:var(--soft)}.soft2{background:var(--soft2)}.gray{background:var(--gray)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.eyebrow{color:#9a6900;font-weight:800;font-size:14px;letter-spacing:.08em}.section h1,.section h2,.section h3,.page-hero h1{color:var(--title);line-height:1.25}.section h2{font-size:clamp(26px,3vw,38px)}.section h3{font-size:20px}.lead{font-size:18px;color:#555;max-width:820px}.muted{color:var(--muted)}.hero{padding:52px 0 34px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(300px,.9fr);gap:28px;align-items:stretch}.hero-media{background:linear-gradient(145deg,#fff9e7,#ffe7a3);border:1px solid var(--border);border-radius:26px;overflow:hidden;min-height:500px;display:flex;align-items:center;justify-content:center;box-shadow:0 16px 42px rgba(255,184,0,.14)}.hero-media img{width:100%;height:100%;object-fit:contain}.hero-placeholder{padding:50px;text-align:center}.hero-placeholder strong{font-size:clamp(38px,6vw,78px);display:block;color:#1a1a1a}.hero-placeholder span{font-weight:800;color:#8c6500}.hero-copy{background:#fff;border:1px solid var(--grayborder);border-radius:26px;padding:34px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:center}.hero-copy h1{font-size:clamp(34px,4vw,52px);line-height:1.15;margin:8px 0 18px}.brandline{font-weight:900;color:#8c6500}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.btn{min-height:46px;padding:11px 20px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--yellow2),var(--yellow) 55%,var(--deep));color:#1a1a1a}.btn-secondary{background:#fff;border:1px solid rgba(0,0,0,.12)}.mini-list{display:grid;gap:12px;margin-top:10px}.mini-list a{padding:14px 16px;background:var(--gray);border-radius:14px}.quick-strip{max-width:var(--max);margin:0 auto;padding:0 24px 24px;display:flex;gap:10px;overflow-x:auto}.quick-strip a{white-space:nowrap;padding:8px 14px;background:#fff;border:1px solid var(--grayborder);border-radius:999px;font-size:14px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.card{background:#fff;border:1px solid var(--grayborder);border-radius:var(--radius);padding:24px;box-shadow:0 8px 24px rgba(20,20,20,.04)}.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--soft2);font-size:13px;font-weight:800;color:#7e5a00}.chips{display:flex;flex-wrap:wrap;gap:10px}.chip{display:inline-flex;flex-direction:column;gap:3px;min-width:140px;padding:13px 15px;border-radius:16px;background:#fff;border:1px solid var(--grayborder)}.chip span{font-size:13px;color:var(--muted)}.editorial-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:22px}.feature-card{padding:32px;background:#1a1a1a;color:#f5f5f5;border-radius:24px}.feature-card h2,.feature-card h3{color:#fff}.feature-card .tag{background:#ffc933;color:#1a1a1a}.stack{display:grid;gap:14px}.track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(250px,1fr);gap:16px;overflow-x:auto;padding-bottom:8px}.number-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.rank-item{background:#fff;border:1px solid var(--grayborder);border-radius:20px;padding:24px;display:grid;grid-template-columns:64px 1fr;gap:18px}.rank-no{font-size:42px;font-weight:900;color:#d49300;line-height:1}.timeline article{position:relative;padding:0 0 28px 34px;border-left:2px solid #f2d37b;margin-left:10px}.timeline article:before{content:"";position:absolute;left:-8px;top:6px;width:14px;height:14px;border-radius:50%;background:#ffb800;box-shadow:0 0 0 5px #fff6e0}.magazine{display:grid;grid-template-columns:1.3fr .8fr .8fr;gap:18px}.magazine .card:first-child{grid-row:span 2;background:#fff6e0}.quote-card{border-left:4px solid var(--yellow)}.article-list article{padding:28px 0;border-bottom:1px solid var(--grayborder)}.cover-block{border-radius:28px;background:linear-gradient(135deg,#fff7d8,#fff,#f7f7f8);padding:48px;border:1px solid var(--border)}.definition-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.faq details{background:#fff;border:1px solid var(--grayborder);border-radius:16px;padding:18px 20px;margin-bottom:12px}.faq summary{font-weight:800;cursor:pointer}.app-showcase{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:center}.phone-visual{min-height:480px;border-radius:34px;background:linear-gradient(145deg,#1a1a1a,#343434);padding:28px;display:flex;align-items:center;justify-content:center}.phone-visual img{max-height:480px;object-fit:contain}.phone-placeholder{width:230px;height:430px;border:10px solid #111;border-radius:38px;background:#fff6e0;display:flex;align-items:center;justify-content:center;text-align:center;font-weight:900}.notice{padding:18px 20px;border-radius:16px;background:var(--soft2);border:1px solid var(--border)}.page-hero{padding:60px 0 28px}.page-hero .inner{max-width:920px}.page-hero h1{font-size:clamp(34px,5vw,60px);margin:8px 0 18px}.content-prose{max-width:920px}.site-footer{background:#1a1a1a;color:#f5f5f5;padding:56px 0 calc(40px + env(safe-area-inset-bottom))}.footer-inner{max-width:var(--max);margin:auto;padding:0 24px}.footer-brand{display:grid;grid-template-columns:auto 1fr 2fr;align-items:center;gap:18px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}.footer-brand img{height:42px;width:auto;max-width:150px}.footer-brand strong{display:block;font-size:22px}.footer-brand span{font-size:12px;letter-spacing:.12em;color:#bbb}.footer-brand p{margin:0;color:#bbb}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;padding:34px 0}.footer-grid h2{font-size:15px}.footer-grid a{display:block;padding:4px 0;color:#c9c9c9}.footer-note,.copyright{color:#999;font-size:13px}.screen-overlay{position:fixed;inset:0;background:rgba(0,0,0,.38);z-index:180;opacity:0;visibility:hidden;pointer-events:none;transition:.18s}.screen-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.channel-panel{position:fixed;z-index:200;right:0;top:0;height:100dvh;width:min(460px,88vw);background:#fff;box-shadow:-20px 0 60px rgba(0,0,0,.18);transform:translateX(105%);visibility:hidden;pointer-events:none;transition:.22s;overflow-y:auto}.channel-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.panel-head{position:sticky;top:0;background:#fff;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--grayborder)}.panel-brand{display:flex;align-items:center;gap:10px;font-weight:900}.panel-brand img{height:34px;width:auto;max-width:130px}.panel-close{width:44px;height:44px;border-radius:14px;border:1px solid var(--grayborder);background:#fff;font-size:28px}.panel-groups{padding:8px 20px 30px}.panel-groups section{padding:18px 0;border-bottom:1px solid var(--grayborder)}.panel-groups h2{font-size:14px;color:#8b6300}.panel-groups a{display:block;padding:11px 0}.panel-groups b,.panel-groups span{display:block}.panel-groups span{font-size:13px;color:#777}.search-panel{position:fixed;z-index:195;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--grayborder);box-shadow:0 20px 50px rgba(0,0,0,.12);transform:translateY(-120%);visibility:hidden;pointer-events:none;transition:.22s}.search-panel.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.search-inner{max-width:1000px;margin:auto;padding:28px 24px 34px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-box{display:grid;gap:8px;margin:20px 0}.search-box input{width:100%;height:52px;border:1px solid rgba(0,0,0,.12);border-radius:16px;padding:0 16px}.search-links{display:flex;flex-wrap:wrap;gap:10px}.search-links a{padding:9px 14px;border-radius:999px;background:var(--soft2);border:1px solid var(--border)}.mobile-bottom{display:none}.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(255,184,0,.45);outline-offset:3px}
@media(max-width:980px){.desktop-nav{display:none}.hero-grid,.editorial-grid,.app-showcase{grid-template-columns:1fr}.hero-media{min-height:380px;order:2}.hero-copy{order:1}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3,.number-list{grid-template-columns:repeat(2,1fr)}.magazine{grid-template-columns:1fr 1fr}.footer-brand{grid-template-columns:auto 1fr}.footer-brand p{grid-column:1/-1}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){body{padding-bottom:68px}.desktop-only{display:none!important}.mobile-only{display:flex}.nav-wrap{height:64px;padding:0 15px;gap:8px}.brand{position:absolute;left:50%;transform:translateX(-50%)}.brand img{height:32px;max-width:120px}.brand-fallback{font-size:20px}.nav-actions{margin-left:auto}.app-pill{padding:9px 14px}.container{padding:0 15px}.section{padding:52px 0}.section.compact{padding:34px 0}.section-head{display:block}.hero{padding:28px 0 18px}.hero-grid{gap:16px}.hero-copy{padding:24px}.hero-media{min-height:280px}.quick-strip{padding:0 15px 18px}.grid-2,.grid-3,.grid-4,.number-list,.definition-grid{grid-template-columns:1fr}.track{grid-auto-columns:82%}.magazine{grid-template-columns:1fr}.cover-block{padding:28px 22px}.page-hero{padding:42px 0 18px}.phone-visual{min-height:400px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{display:block}.search-panel{top:0;height:100dvh;overflow-y:auto}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:110;background:rgba(255,255,255,.97);border-top:1px solid var(--grayborder);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:58px;display:flex;align-items:center;justify-content:center;font-size:12px}.mobile-bottom a.is-active{font-weight:900;color:#9a6900;background:#fff8e1}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}