:root{--bg:#fff;--deep:#f7f7f7;--panel:#fff;--soft:#f3f3f3;--title:#1a1a1a;--text:#333;--sub:#555;--muted:#888;--red:#e63946;--bright:#ff4d5a;--deepred:#c1121f;--pale:#ffe8ea;--border:rgba(230,57,70,.16);--shadow:0 12px 32px rgba(0,0,0,.07);--max:1240px;--header-h:148px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.72;overflow-x:hidden}body.layer-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:var(--title);color:#fff;padding:10px 16px;border-radius:999px}.skip-link:focus{top:8px}.site-header{position:fixed;inset:0 0 auto 0;z-index:90;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.05)}.info-bar{height:32px;background:var(--deep)}.topbar-inner{max-width:var(--max);height:100%;margin:auto;padding:0 20px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.topbar-left,.topbar-actions{display:flex;align-items:center;gap:10px}.topbar-actions{justify-content:flex-end}.round-menu{width:26px;height:26px;border-radius:50%;border:1px solid var(--border);background:#fff;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer}.round-menu span{display:block;width:10px;height:1.5px;background:var(--red)}.mini-brand{font-size:12px;color:var(--sub);letter-spacing:.04em}.text-action{min-height:28px;border:0;background:none;color:var(--sub);font-size:12px;padding:3px 8px;cursor:pointer}.text-action:hover,.text-action:focus-visible,.mini-brand:hover{color:var(--red)}.mobile-center-brand{display:none}.brand-row{height:72px;display:flex;align-items:center;justify-content:center;background:#fff}.brand-home{height:56px;min-width:170px;display:flex;align-items:center;justify-content:center;color:var(--title);font-weight:800;font-size:27px;letter-spacing:.08em}.brand-home img{max-height:48px;max-width:240px;width:auto;height:auto;display:block}.channel-row{height:44px;background:#fff}.channel-inner{max-width:var(--max);height:100%;margin:auto;display:flex;align-items:center;justify-content:center;gap:8px;padding:0 16px}.channel-pill{height:30px;min-width:84px;padding:0 16px;border-radius:999px;border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;font-size:14px;color:var(--sub);transition:.2s}.channel-pill:hover,.channel-pill:focus-visible{color:var(--red);border-color:rgba(230,57,70,.45)}.channel-pill.is-active{background:var(--red);border-color:var(--red);color:#fff}.site-main{padding-top:var(--header-h);min-height:60vh}.section{padding:70px 20px}.section.alt{background:var(--deep)}.wrap{max-width:var(--max);margin:0 auto}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--red);font-size:13px;font-weight:700;letter-spacing:.08em}.eyebrow:before{content:"";width:18px;height:2px;background:var(--red)}h1,h2,h3,p{margin-top:0}.display-title{font-size:clamp(38px,6vw,76px);line-height:1.04;letter-spacing:-.035em;margin:16px 0 22px;color:var(--title);max-width:920px}.page-title{font-size:clamp(34px,5vw,60px);line-height:1.08;letter-spacing:-.025em;color:var(--title);margin:18px 0}.lead{font-size:18px;line-height:1.9;color:var(--sub);max-width:860px}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{min-height:46px;padding:0 22px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;border:1px solid var(--red)}.btn.primary{background:linear-gradient(135deg,var(--bright) 0%,var(--red) 52%,var(--deepred) 100%);color:#fff}.btn.secondary{background:#fff;color:var(--red)}.btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(230,57,70,.14)}a:focus-visible,button:focus-visible{outline:3px solid rgba(230,57,70,.32);outline-offset:2px}.hero-media{margin-top:42px;border-radius:18px;overflow:hidden;background:var(--soft);box-shadow:var(--shadow)}.hero-media img,.media-card img,.feature-media img{width:100%;height:auto;display:block}.media-placeholder{min-height:210px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f3f3f3,#fff 55%,#ffe8ea);color:var(--muted);font-weight:800;letter-spacing:.08em}.hero-media .media-placeholder{aspect-ratio:16/6}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;margin-bottom:34px}.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.15;color:var(--title);margin:8px 0 0}.section-head p{max-width:520px;color:var(--sub);margin:0}.tag-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tag-card{padding:22px;border:1px solid var(--border);border-radius:16px;background:#fff}.tag-card h3{font-size:17px;margin-bottom:8px;color:var(--title)}.tag-card h3:before{content:"";width:8px;height:8px;background:var(--red);display:inline-block;border-radius:50%;margin-right:8px}.tag-card p{font-size:14px;color:var(--sub);margin-bottom:14px}.inline-link{color:var(--red);font-weight:700}.spotlight-layout{display:grid;grid-template-columns:1fr 1.35fr;gap:28px;align-items:start}.number-list{display:grid;gap:12px}.number-item{display:grid;grid-template-columns:64px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid #eee}.number-item .num,.rank-num{font-size:42px;line-height:1;color:var(--red);font-weight:900;letter-spacing:-.05em}.number-item h3{margin:0 0 8px;font-size:22px}.number-item p{color:var(--sub);margin:0}.feature-media{border-radius:18px;overflow:hidden;background:var(--soft);min-height:280px}.mosaic{display:grid;grid-template-columns:1.1fr .9fr;grid-template-areas:"a b" "a c";gap:16px}.mosaic .card-a{grid-area:a}.mosaic .card-b{grid-area:b}.mosaic .card-c{grid-area:c}.mosaic-card{border-radius:18px;background:#fff;border:1px solid #eee;overflow:hidden}.mosaic-card .media-placeholder{min-height:190px}.mosaic-card.card-a .media-placeholder{min-height:420px}.mosaic-copy{padding:24px}.mosaic-copy h3{font-size:26px;margin-bottom:10px}.mosaic-copy p{color:var(--sub);margin-bottom:14px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.content-card{background:#fff;border:1px solid #eee;border-radius:18px;padding:26px;box-shadow:0 8px 22px rgba(0,0,0,.035)}.content-card h3{font-size:22px;margin:0 0 10px;color:var(--title)}.content-card p{color:var(--sub)}.media-card{border-radius:18px;overflow:hidden;background:#fff;border:1px solid #eee}.media-card .media-copy{padding:24px}.six-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.six-grid article:nth-child(2),.six-grid article:nth-child(5){transform:translateY(20px)}.shelf-list{display:grid;gap:12px}.shelf-row{display:grid;grid-template-columns:56px 1fr 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6px}.status{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--pale);color:var(--deepred);font-size:12px;font-weight:800}.app-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:center}.app-visual{display:grid;grid-template-columns:1fr 90px;gap:14px;align-items:end}.app-visual .media-placeholder:first-child{min-height:420px}.app-icon img,.app-icon .media-placeholder{width:90px;height:90px;min-height:90px;border-radius:20px}.legal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.note-box{padding:22px;border-radius:16px;background:var(--deep);border-left:4px solid var(--red)}.note-box h3{margin-bottom:8px}.page-hero{padding:66px 20px 48px;background:linear-gradient(180deg,#fff 0,#fff 62%,#f7f7f7 62%)}.page-hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}.page-hero .feature-media{min-height:260px}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 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p{color:var(--sub)}.step-list{counter-reset:step;display:grid;gap:16px}.step-card{position:relative;padding:28px 26px 28px 86px;background:#fff;border:1px solid #eee;border-radius:16px}.step-card:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:24px;top:25px;font-size:26px;font-weight:900;color:var(--red)}.faq-list{display:grid;gap:14px}.faq-item{padding:24px;border:1px solid #ececec;border-radius:16px;background:#fff}.faq-item h2{font-size:20px;margin-bottom:10px}.faq-item p{color:var(--sub);margin:0}.search-layer,.site-drawer,.screen-overlay{visibility:hidden;pointer-events:none}.screen-overlay{position:fixed;inset:0;z-index:150;background:rgba(0,0,0,.38);opacity:0;transition:.22s}.screen-overlay.is-open{visibility:visible;pointer-events:auto;opacity:1}.site-drawer{position:fixed;left:50%;bottom:0;z-index:170;width:min(680px,100%);max-height:76vh;background:#fff;border-radius:22px 22px 0 0;box-shadow:0 -24px 60px 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86px}.footer-inner{max-width:var(--max);margin:auto}.footer-brand{max-width:560px}.footer-logo{display:inline-flex;align-items:center;min-height:50px;color:#fff;font-size:28px;font-weight:900}.footer-logo img{max-height:46px;max-width:210px}.footer-en{color:#fff;font-size:12px;letter-spacing:.18em;margin:4px 0 12px}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:42px 0}.footer-groups h2{color:#fff;font-size:15px;margin-bottom:10px}.footer-groups a{display:block;padding:6px 0;color:#bbb;font-size:14px}.footer-groups a:hover{color:#fff}.footer-note{padding:18px 0;border-top:1px solid #333;border-bottom:1px solid #333;font-size:13px;color:#aaa}.footer-bottom{display:flex;gap:18px;flex-wrap:wrap;align-items:center;padding-top:18px;font-size:12px;color:#888}.footer-bottom span{margin-right:auto}.mobile-bottom{display:none}
@media(max-width:900px){:root{--header-h:56px}.info-bar{height:56px;background:#fff}.topbar-inner{grid-template-columns:1fr auto 1fr;padding:0 12px}.mini-brand,.search-trigger{display:none}.mobile-center-brand{display:flex;align-items:center;justify-content:center;height:50px;max-width:160px}.mobile-center-brand img{max-height:38px;max-width:150px;width:auto}.mobile-center-brand strong{font-size:20px;color:var(--title)}.topbar-left{justify-content:flex-start}.topbar-actions{justify-content:flex-end}.round-menu{width:44px;height:44px}.text-action.app-link{min-height:44px;display:flex;align-items:center;padding:0 10px}.brand-row,.channel-row{display:none}.site-main{padding-top:var(--header-h);padding-bottom:58px}.section{padding:52px 16px}.page-hero{padding:48px 16px 34px}.page-hero .wrap,.app-panel,.spotlight-layout,.article-grid{grid-template-columns:1fr}.page-hero .feature-media{min-height:220px}.tag-grid{grid-template-columns:repeat(2,1fr)}.mosaic{grid-template-columns:1fr;grid-template-areas:"a" "b" "c"}.mosaic-card.card-a .media-placeholder{min-height:240px}.two-col,.legal-grid{grid-template-columns:1fr}.six-grid{grid-template-columns:1fr 1fr}.six-grid article:nth-child(2),.six-grid article:nth-child(5){transform:none}.aside-card{position:static}.rank-row{grid-template-columns:72px 1fr}.rank-row>a{grid-column:2}.site-footer{padding-bottom:92px}.footer-groups{grid-template-columns:repeat(2,1fr)}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:120;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.97);border-top:1px solid #e7e7e7;display:grid;grid-template-columns:repeat(5,1fr);box-shadow:0 -8px 20px rgba(0,0,0,.04)}.mobile-bottom a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;font-size:11px;color:#777;min-width:0}.mobile-bottom a span{font-size:17px;line-height:1}.mobile-bottom a.is-active{color:var(--red)}.screen-overlay{z-index:150}.site-drawer{z-index:170}.search-layer{z-index:180;inset:0;padding:0;background:var(--deep);align-items:flex-start}.search-card{width:100%;height:100%;border-radius:0;box-shadow:none;padding:20px 16px}.drawer-group>a{grid-template-columns:96px 1fr}.section-head{align-items:flex-start;flex-direction:column;gap:10px}.shelf-row{grid-template-columns:50px 1fr}.shelf-row>a{grid-column:2}.app-visual{grid-template-columns:1fr 72px}.app-icon img,.app-icon .media-placeholder{width:72px;height:72px;min-height:72px}.display-title{font-size:42px}}
@media(max-width:560px){.tag-grid,.six-grid,.index-list{grid-template-columns:1fr}.two-col{grid-template-columns:1fr}.section{padding-top:44px;padding-bottom:44px}.lead{font-size:16px}.number-item{grid-template-columns:52px 1fr}.number-item .num{font-size:34px}.footer-groups{grid-template-columns:1fr 1fr;gap:18px 12px}.footer-groups a{font-size:13px}.site-footer{padding-left:16px;padding-right:16px}.drawer-scroll,.drawer-head{padding-left:16px;padding-right:16px}.drawer-group>a{grid-template-columns:88px 1fr;gap:10px}.rank-row{grid-template-columns:58px 1fr}.rank-num{font-size:34px}.display-title{font-size:38px}.page-title{font-size:36px}}