*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:#333;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:999;background:#1a1a1a;color:#fff;padding:10px 16px;border-radius:999px}.skip-link:focus{top:12px}.lock-scroll{overflow:hidden}.site-header{position:fixed;z-index:100;inset:0 0 auto;background:#fff;box-shadow:0 6px 18px rgba(0,0,0,.05)}.info-bar{height:32px;background:#f7f7f7;border-bottom:1px solid rgba(230,57,70,.12)}.info-inner{max-width:1240px;height:100%;margin:auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}.info-left,.info-actions{display:flex;align-items:center;gap:12px}.desktop-wordmark{font-size:12px;font-weight:700;letter-spacing:.06em;color:#555}.round-menu{width:28px;height:28px;border:0;background:#fff;border-radius:50%;display:grid;place-content:center;gap:3px;box-shadow:0 2px 8px rgba(0,0,0,.06)}.round-menu span{display:block;width:11px;height:1.5px;background:#e63946}.search-open{border:0;background:transparent;color:#555;padding:4px 8px;font-size:12px}.app-link{font-size:12px;color:#c1121f;font-weight:700}.mobile-brand{display:none}.brand-band{height:72px;display:flex;align-items:center;justify-content:center}.brand-logo{display:flex;align-items:center;justify-content:center;max-height:58px}.brand-logo img{max-height:48px;width:auto}.brand-fallback{font-size:26px;font-weight:900;letter-spacing:.08em;color:#1a1a1a;text-align:center}.brand-fallback small{display:block;font-size:9px;letter-spacing:.24em;color:#e63946}.channel-bar{height:44px;border-top:1px solid rgba(230,57,70,.12)}.channel-inner{max-width:1240px;margin:auto;height:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:0 20px}.channel-inner a{min-height:30px;padding:4px 15px;border:1px solid rgba(230,57,70,.16);border-radius:999px;font-size:13px;color:#555;display:flex;align-items:center}.channel-inner a.active,.channel-inner a:hover,.channel-inner a:focus-visible{background:#e63946;color:#fff;border-color:#e63946}.site-main{padding-top:148px;min-height:70vh}.wrap{width:min(1240px,calc(100% - 40px));margin:0 auto}.narrow{width:min(920px,calc(100% - 40px));margin:0 auto}.section{padding:64px 0}.section.gray{background:#f7f7f7}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#c1121f;font-weight:800;font-size:13px;letter-spacing:.08em}.eyebrow:before{content:"";width:7px;height:7px;background:#e63946;border-radius:50%}.page-hero{padding:64px 0 40px}.page-hero h1,.cover-copy h1{margin:.2em 0 .5em;color:#1a1a1a;line-height:1.15;font-size:clamp(36px,6vw,72px);letter-spacing:-.03em}.page-hero p,.cover-copy p{max-width:820px;color:#555;font-size:17px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.section-head h2{margin:0;color:#1a1a1a;font-size:clamp(26px,4vw,42px);line-height:1.2}.section-head p{max-width:560px;margin:0;color:#666}.cover{padding:56px 0 38px}.cover-copy{max-width:920px}.cover-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 34px}.pill-link,.primary-link,.secondary-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:10px 20px;font-weight:800}.primary-link{background:linear-gradient(135deg,#ff4d5a 0%,#e63946 52%,#c1121f 100%);color:#fff}.secondary-link,.pill-link{background:#fff;color:#c1121f;border:1px solid rgba(230,57,70,.28)}.primary-link:hover,.primary-link:focus-visible{filter:brightness(.96)}.secondary-link:hover,.secondary-link:focus-visible,.pill-link:hover,.pill-link:focus-visible{background:#ffe8ea}.media-slot{position:relative;overflow:hidden;border-radius:18px;background:#f3f3f3;box-shadow:0 12px 32px rgba(0,0,0,.07)}.media-slot img{width:100%;height:auto}.media-placeholder{min-height:260px;display:grid;place-items:center;background:linear-gradient(135deg,#f7f7f7,#f3f3f3)}.media-placeholder:before{content:"";position:absolute;width:140px;height:140px;border-radius:50%;background:#ffe8ea;left:8%;top:18%}.media-placeholder:after{content:"";position:absolute;width:90px;height:90px;border:20px solid rgba(230,57,70,.10);border-radius:50%;right:12%;bottom:18%}.media-placeholder span{position:relative;z-index:2;color:#c1121f;font-weight:900;letter-spacing:.18em}.cover-media{min-height:320px}.tag-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tag-card,.card{background:#fff;border:1px solid rgba(230,57,70,.16);border-radius:16px;padding:22px}.tag-card h3,.card h3{margin:0 0 8px;color:#1a1a1a}.tag-card p,.card p{margin:0 0 12px;color:#666}.text-link{color:#c1121f;font-weight:800}.spotlight-layout{display:grid;grid-template-columns:minmax(280px,.95fr) 1.05fr;gap:34px;align-items:start}.number-list{display:grid;gap:0}.number-row{display:grid;grid-template-columns:90px 1fr;gap:18px;padding:22px 0;border-top:1px solid rgba(230,57,70,.16)}.number-row:first-child{border-top:0}.big-number{font-size:42px;font-weight:900;color:#e63946;line-height:1}.number-row h3{margin:0 0 8px;color:#1a1a1a}.number-row p{margin:0;color:#555}.mosaic{display:grid;grid-template-columns:1.2fr .8fr;grid-auto-rows:minmax(180px,auto);gap:18px}.mosaic .tile{border-radius:18px;overflow:hidden;background:#fff;border:1px solid rgba(230,57,70,.16);padding:18px}.mosaic .tile:first-child{grid-row:span 2}.tile h3{margin:16px 0 6px;font-size:24px;color:#1a1a1a}.tile p{margin:0;color:#555}.duo{display:grid;grid-template-columns:1fr 1fr;gap:20px}.duo article{background:#fff;border:1px solid rgba(230,57,70,.16);border-radius:18px;padding:20px}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:minmax(150px,auto);gap:16px}.topic-grid article{border-radius:16px;padding:22px;background:#fff;border:1px solid rgba(230,57,70,.16)}.topic-grid article:nth-child(2),.topic-grid article:nth-child(5){grid-row:span 2}.shelf-list{display:grid;gap:12px}.shelf-item{display:grid;grid-template-columns:120px 1fr auto;align-items:center;gap:20px;padding:20px 22px;border:1px solid rgba(230,57,70,.16);border-radius:16px;background:#fff}.shelf-label{color:#e63946;font-weight:900}.shelf-item h3{margin:0 0 4px}.shelf-item p{margin:0;color:#666}.rank-list{display:grid;gap:6px}.rank-item{display:grid;grid-template-columns:90px 1fr;gap:18px;align-items:start;padding:22px 0;border-bottom:1px solid rgba(230,57,70,.16)}.rank-num{font-size:56px;font-weight:900;line-height:.9;color:#e63946}.rank-item h3{margin:0 0 6px}.rank-item p{margin:0;color:#555}.timeline{position:relative;margin-left:16px;padding-left:38px}.timeline:before{content:"";position:absolute;left:6px;top:10px;bottom:10px;width:2px;background:#ffe8ea}.timeline-item{position:relative;padding:0 0 30px}.timeline-item:before{content:"";position:absolute;left:-39px;top:8px;width:14px;height:14px;border-radius:50%;background:#e63946;box-shadow:0 0 0 7px #ffe8ea}.status{display:inline-flex;padding:3px 10px;border-radius:999px;background:#ffe8ea;color:#c1121f;font-weight:800;font-size:12px}.timeline-item h3{margin:8px 0 4px}.timeline-item p{margin:0;color:#555}.app-showcase{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px;align-items:center}.app-icon{width:88px;height:88px;border-radius:20px;overflow:hidden;background:#ffe8ea;display:grid;place-items:center;margin-bottom:18px}.app-icon img{width:100%;height:100%;object-fit:cover}.prose{font-size:16px;color:#444}.prose h2{color:#1a1a1a;margin:2.2em 0 .6em;font-size:28px}.prose h3{color:#1a1a1a;margin:1.6em 0 .4em;font-size:20px}.prose p{margin:.7em 0}.prose .editor-note{border-left:4px solid #e63946;background:#ffe8ea;padding:14px 18px;border-radius:0 12px 12px 0}.index-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.index-item{background:#fff;border:1px solid rgba(230,57,70,.16);border-radius:16px;padding:22px}.index-item b{display:block;color:#e63946;margin-bottom:6px}.steps{counter-reset:step;display:grid;gap:16px}.step{counter-increment:step;display:grid;grid-template-columns:72px 1fr;gap:18px;padding:22px;border-radius:16px;background:#fff;border:1px solid rgba(230,57,70,.16)}.step:before{content:counter(step,decimal-leading-zero);font-size:34px;font-weight:900;color:#e63946}.series-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 30px}.series-tabs a{padding:8px 14px;border-radius:999px;background:#ffe8ea;color:#c1121f;font-weight:800}.note-box{border-radius:16px;background:#f7f7f7;padding:22px}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid rgba(230,57,70,.16);border-radius:16px;padding:22px}.faq-item h2{font-size:20px;margin:0 0 10px;color:#1a1a1a}.faq-item p{margin:0;color:#555}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.contact-card{border:1px solid rgba(230,57,70,.16);border-radius:16px;padding:22px}.contact-card h2{margin-top:0}.site-footer{background:#1a1a1a;color:#d0d0d0;padding:56px 0 calc(36px + env(safe-area-inset-bottom))}.footer-inner{width:min(1240px,calc(100% - 40px));margin:auto}.footer-brand{display:flex;align-items:center;gap:16px;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-logo img{max-height:38px;width:auto}.footer-logo strong{color:#fff;font-size:22px}.footer-brand span{font-size:12px;letter-spacing:.18em}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:34px 0}.footer-groups h2{font-size:14px;color:#fff;margin:0 0 12px}.footer-groups a{display:block;color:#bbb;margin:7px 0}.footer-groups a:hover,.footer-groups a:focus-visible{color:#fff}.footer-note,.copyright{color:#999;font-size:13px}.screen-mask{position:fixed;z-index:180;inset:0;background:rgba(0,0,0,.42);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.screen-mask.is-open{opacity:1;visibility:visible;pointer-events:auto}.site-drawer{position:fixed;z-index:200;left:50%;bottom:0;width:min(680px,100%);max-height:76vh;overflow:auto;background:#fff;border-radius:22px 22px 0 0;box-shadow:0 -16px 50px rgba(0,0,0,.16);transform:translate(-50%,110%);visibility:hidden;pointer-events:none;transition:transform .28s ease,visibility .28s}.site-drawer.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;z-index:2;background:#fff;display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid rgba(230,57,70,.12)}.drawer-brand{display:flex;align-items:center;gap:12px}.drawer-brand img{max-height:34px;max-width:120px}.drawer-brand strong{display:block;color:#1a1a1a}.drawer-brand span{font-size:10px;letter-spacing:.16em;color:#888}.close-button{min-height:44px;border-radius:999px;border:1px solid rgba(230,57,70,.2);background:#fff;color:#c1121f;padding:8px 14px}.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:22px}.drawer-group h2{font-size:14px;color:#e63946;margin:0 0 10px}.drawer-group a{display:block;padding:10px 0;border-bottom:1px solid #f0f0f0}.drawer-group b{display:block;color:#1a1a1a}.drawer-group span{display:block;color:#777;font-size:12px;line-height:1.55;margin-top:2px}.search-layer{position:fixed;z-index:210;left:50%;top:110px;width:min(720px,calc(100% - 32px));transform:translate(-50%,-18px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-layer.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-card{background:#fff;border-radius:18px;padding:22px;box-shadow:0 18px 60px rgba(0,0,0,.18)}.search-head{display:flex;justify-content:space-between;gap:18px;align-items:start}.search-head span{display:block;color:#e63946;font-size:12px;font-weight:800}.search-head strong{display:block;font-size:24px;color:#1a1a1a}.search-field{display:block;margin:20px 0 14px}.search-field span{display:block;font-size:12px;color:#777;margin-bottom:6px}.search-field input{width:100%;min-height:48px;border:1px solid rgba(230,57,70,.2);border-radius:999px;padding:0 18px;outline:none}.search-field input:focus{border-color:#e63946;box-shadow:0 0 0 4px #ffe8ea}.search-presets{display:flex;gap:10px;flex-wrap:wrap}.search-presets a{padding:8px 14px;border-radius:999px;background:#f7f7f7;color:#333}.search-presets a:hover,.search-presets a:focus-visible{background:#ffe8ea;color:#c1121f}.search-hint{font-size:12px;color:#888;margin:16px 0 0}.mobile-bottom{display:none}.legal-list{display:grid;gap:16px}.legal-item{padding:22px;border-radius:16px;background:#fff;border:1px solid rgba(230,57,70,.16)}.legal-item h2{margin:0 0 8px;color:#1a1a1a}.legal-item p{margin:0;color:#555}.brand-statement{display:grid;grid-template-columns:1fr 1fr;gap:18px}.brand-statement article{padding:24px;border-radius:18px;background:#fff;border:1px solid rgba(230,57,70,.16)}.brand-statement h2{margin-top:0}.wide-feature{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:center}.catalog-06{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.catalog-06 article{padding:22px;border:1px solid rgba(230,57,70,.16);border-radius:16px}.catalog-06 b{color:#e63946;font-size:28px}.catalog-06 h2{font-size:20px;margin:8px 0}.catalog-06 p{margin:0;color:#555}.people-index{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.people-index article{padding:22px;border-radius:16px;background:#fff;border:1px solid rgba(230,57,70,.16)}.people-index span{display:inline-flex;width:36px;height:36px;border-radius:50%;background:#ffe8ea;color:#c1121f;align-items:center;justify-content:center;font-weight:900}.people-index h2{font-size:20px;margin:12px 0 6px}.people-index p{margin:0;color:#555}.daily-report{display:grid;gap:16px}.daily-item{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid rgba(230,57,70,.16)}.daily-item>strong{font-size:40px;color:#e63946;line-height:1}.daily-item h2{margin:0 0 8px}.daily-item p{margin:0;color:#555}.discovery-index{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.discovery-index a,.discovery-index article{padding:22px;border-radius:16px;border:1px solid rgba(230,57,70,.16);background:#fff}.discovery-index h2{margin:0 0 8px;font-size:21px}.discovery-index p{margin:0;color:#555}.install-checks{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.install-checks article{padding:22px;border-radius:16px;background:#f7f7f7}.install-checks h2{margin-top:0}.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.help-grid article{padding:22px;border:1px solid rgba(230,57,70,.16);border-radius:16px}.help-grid h2{font-size:20px;margin-top:0}
@media(max-width:900px){.tag-grid{grid-template-columns:repeat(2,1fr)}.spotlight-layout,.app-showcase,.wide-feature{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(2,1fr)}.mosaic{grid-template-columns:1fr}.mosaic .tile:first-child{grid-row:auto}.footer-groups{grid-template-columns:repeat(2,1fr)}.people-index,.catalog-06,.help-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.site-main{padding-top:58px}.info-bar{height:58px}.info-inner{padding:0 16px;position:relative}.info-left{min-width:44px}.round-menu{width:44px;height:44px}.desktop-wordmark,.search-open{display:none}.mobile-brand{display:flex;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);height:44px;max-width:48%;align-items:center;justify-content:center}.mobile-brand img{max-height:34px;width:auto;max-width:100%}.mobile-brand strong{font-size:18px;color:#1a1a1a;white-space:nowrap}.info-actions{margin-left:auto}.app-link{min-height:44px;display:flex;align-items:center}.brand-band,.channel-bar{display:none}.wrap,.narrow,.footer-inner{width:min(100% - 32px,1240px)}.section{padding:46px 0}.cover{padding:40px 0 28px}.cover-copy h1,.page-hero h1{font-size:40px}.section-head{display:block}.section-head p{margin-top:10px}.tag-grid,.duo,.topic-grid,.index-list,.contact-grid,.brand-statement,.discovery-index,.install-checks{grid-template-columns:1fr}.topic-grid article:nth-child(2),.topic-grid article:nth-child(5){grid-row:auto}.shelf-item{grid-template-columns:1fr;gap:8px}.shelf-item .text-link{justify-self:start}.rank-item{grid-template-columns:68px 1fr}.rank-num{font-size:46px}.number-row{grid-template-columns:64px 1fr}.big-number{font-size:34px}.daily-item{grid-template-columns:68px 1fr}.daily-item>strong{font-size:34px}.people-index,.catalog-06,.help-grid{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr;gap:20px}.site-drawer{left:0;transform:translate(0,110%);width:100%;max-height:76vh;border-radius:20px 20px 0 0}.site-drawer.is-open{transform:translate(0,0)}.drawer-grid{grid-template-columns:1fr;padding:20px}.search-layer{top:0;left:0;width:100%;height:100%;transform:none;background:#f7f7f7;padding:72px 16px 20px;overflow:auto}.search-layer.is-open{transform:none}.search-card{border-radius:18px;box-shadow:none}.mobile-bottom{position:fixed;z-index:90;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.97);border-top:1px solid rgba(230,57,70,.14);backdrop-filter:blur(12px)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:12px;color:#777}.mobile-bottom a.active{color:#e63946;font-weight:900}.site-footer{padding-bottom:80px}.cover-media{min-height:220px}.media-placeholder{min-height:200px}}
@media(max-width:420px){.footer-groups{grid-template-columns:1fr}.search-head strong{font-size:20px}.page-hero p,.cover-copy p{font-size:16px}}