:root{--blue:#1478F2;--bright:#348FFF;--deep:#0765D4;--navy:#094D9E;--ink:#17243A;--text:#3C495D;--muted:#6E7988;--soft:#99A2AF;--sub:#F7FAFE;--pale:#EDF5FF;--pale2:#E3F0FF;--gray:#F4F6F9;--border:rgba(20,120,242,.12);--neutral:rgba(20,40,70,.08);--shadow:0 14px 38px rgba(35,72,118,.08);--brand-shadow:0 16px 44px rgba(20,120,242,.14);--max:1320px;--header:72px}
*{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","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}img{max-width:100%;height:auto;display:block}a,button{outline:none}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(20,120,242,.28);outline-offset:3px;border-radius:8px}
.site-header{position:fixed;z-index:1000;top:0;left:0;right:0;height:var(--header);background:rgba(255,255,255,.96);border-bottom:1px solid var(--neutral);backdrop-filter:blur(12px)}.desktop-nav-wrap{max-width:var(--max);height:100%;margin:auto;padding:0 20px;display:flex;align-items:center;gap:18px}.brand{display:flex;align-items:center;gap:10px;min-width:190px;max-width:230px}.brand-image:empty{display:none}.logo-img{max-width:170px;max-height:48px;object-fit:contain}.brand-fallback{display:flex;flex-direction:column;line-height:1.05}.brand-fallback strong{font-size:20px;color:var(--ink)}.brand-fallback small{font-size:9px;letter-spacing:.12em;color:var(--blue);margin-top:5px}.brand-image:not(:empty)+.brand-fallback{display:none}.desktop-nav{display:flex;align-items:center;gap:2px;white-space:nowrap;min-width:0;flex:1}.desktop-nav a,.text-action{height:44px;padding:0 11px;border-radius:10px;display:inline-flex;align-items:center;font-size:14px;position:relative}.desktop-nav a:hover,.text-action:hover,.icon-button:hover,.grid-button:hover{background:var(--pale)}.desktop-nav a.is-current,.text-action.is-current{color:var(--blue);font-weight:700}.desktop-nav a.is-current:after,.text-action.is-current:after{content:"";position:absolute;width:5px;height:5px;border-radius:50%;background:var(--blue);left:50%;bottom:4px;transform:translateX(-50%)}.desktop-actions{display:flex;align-items:center;gap:2px;white-space:nowrap}.icon-button,.grid-button,.panel-close{border:0;background:transparent;min-width:44px;height:44px;border-radius:10px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px}.icon-button span:first-child{font-size:24px;line-height:1}.grid-icon{display:grid;grid-template-columns:repeat(3,4px);gap:3px}.grid-icon i{width:4px;height:4px;border-radius:1px;background:var(--blue)}.mobile-nav-wrap{display:none}
#main-content{padding-top:var(--header)}.container{max-width:var(--max);margin:0 auto;padding:0 20px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.11em}.eyebrow:before{content:"";width:22px;height:2px;background:var(--blue)}h1,h2,h3{color:var(--ink);line-height:1.18;margin-top:0}h1{font-size:clamp(36px,5vw,68px);letter-spacing:-.04em}h2{font-size:clamp(28px,3.5vw,44px);letter-spacing:-.025em}h3{font-size:20px}.lead{font-size:18px;color:var(--muted);max-width:780px}.section{padding:84px 0}.section.alt{background:var(--sub)}.section.pale{background:var(--pale)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:36px}.section-head p{max-width:650px;margin:0;color:var(--muted)}.text-link{color:var(--blue);font-weight:700}.text-link:hover{text-decoration:underline}.primary-link{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:12px;color:#fff;background:linear-gradient(135deg,#43A0FF 0%,#1478F2 56%,#0964CE 100%);box-shadow:var(--brand-shadow);font-weight:800}.primary-link:hover{transform:translateY(-1px)}.secondary-link{display:inline-flex;min-height:44px;align-items:center;color:var(--blue);font-weight:750}.actions-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}.tag{display:inline-flex;align-items:center;min-height:32px;padding:4px 10px;border-radius:999px;background:var(--pale);color:var(--blue);font-size:13px;font-weight:700}.num{color:var(--blue);font-weight:900;letter-spacing:-.03em}
.content-index{border-bottom:1px solid var(--neutral);background:#fff}.content-index .container{display:flex;gap:26px;overflow-x:auto;padding-top:8px;padding-bottom:8px;scrollbar-width:thin}.content-index a{height:44px;display:inline-flex;align-items:center;white-space:nowrap;color:var(--muted);font-size:14px}.content-index a:hover,.content-index a.is-current{color:var(--blue)}.content-index a.is-current:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--blue);margin-right:8px}
.home-cover{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,#f7fbff 100%)}.home-cover:before{content:"";pointer-events:none;position:absolute;inset:0;background-image:linear-gradient(rgba(20,120,242,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(20,120,242,.04) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,#000,transparent 75%)}.explore-desk{max-width:var(--max);margin:auto;padding:56px 20px 66px;display:grid;grid-template-columns:28fr 47fr 25fr;gap:22px;position:relative}.cover-left,.cover-right,.cover-center{min-width:0}.cover-left{padding:38px 12px 0 0}.cover-left h1{font-size:clamp(38px,4.3vw,62px);margin:16px 0 22px}.cover-left p{color:var(--muted)}.micro-index{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:34px}.micro-index a{padding:14px;border:1px solid var(--border);border-radius:12px;background:#fff;font-size:13px}.cover-center{min-height:560px;border-radius:18px;background:linear-gradient(145deg,#ddecff,#f7fbff 48%,#cde5ff);box-shadow:var(--brand-shadow);overflow:hidden;position:relative;display:flex;align-items:center;justify-content:center}.cover-center img{width:100%;height:100%;object-fit:contain}.cover-fallback{position:absolute;inset:0;padding:44px;display:flex;flex-direction:column;justify-content:flex-end;background:radial-gradient(circle at 72% 24%,rgba(52,143,255,.35),transparent 26%),linear-gradient(135deg,rgba(20,120,242,.03),rgba(20,120,242,.18))}.cover-fallback:before{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(20,120,242,.18);border-radius:50%;top:70px;right:50px;box-shadow:0 0 0 48px rgba(20,120,242,.05),0 0 0 96px rgba(20,120,242,.025);pointer-events:none}.cover-center img+.cover-fallback{display:none}.cover-fallback strong{font-size:46px;color:var(--ink);position:relative}.cover-fallback span{color:var(--blue);letter-spacing:.16em;font-weight:800;position:relative}.cover-right{padding-top:12px}.discovery-item{padding:22px 8px 22px 22px;border-bottom:1px solid var(--neutral)}.discovery-item:first-child{border-top:1px solid var(--neutral)}.discovery-item h3{font-size:17px;margin-bottom:8px}.discovery-item p{font-size:14px;color:var(--muted);margin:0 0 10px}
.editorial-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.editorial-item{grid-column:span 4;padding:28px;border-top:2px solid var(--ink);background:#fff;min-height:250px}.editorial-item:nth-child(1),.editorial-item:nth-child(4){grid-column:span 6}.editorial-item .num{font-size:46px;display:block;margin-bottom:24px}.editorial-item p{color:var(--muted)}.city-magazine{display:grid;grid-template-columns:repeat(12,1fr);gap:18px;align-items:stretch}.city-card{grid-column:span 4;border:1px solid var(--border);background:#fff;border-radius:16px;padding:28px;min-height:250px;position:relative;overflow:hidden}.city-card:nth-child(1){grid-column:span 8;min-height:360px;background:linear-gradient(135deg,#edf5ff,#fff)}.city-card:nth-child(4){grid-column:span 5}.city-card:nth-child(5){grid-column:span 7}.city-card:after{content:"⌖";position:absolute;right:20px;bottom:12px;font-size:48px;color:rgba(20,120,242,.08);pointer-events:none}.city-card p{color:var(--muted)}
.plan-board{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.plan-column{background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px}.plan-column h3{display:flex;align-items:center;justify-content:space-between}.plan-column article{padding:18px 0;border-top:1px solid var(--neutral)}.plan-column article p{font-size:14px;color:var(--muted);margin-bottom:0}.plan-column .marker{color:var(--blue);font-size:12px;font-weight:800}.longform{max-width:980px;margin:0 auto}.longform .intro{font-size:21px;color:var(--ink);padding:28px 0 36px;border-bottom:1px solid var(--neutral)}.longform article{display:grid;grid-template-columns:200px 1fr;gap:38px;padding:48px 0;border-bottom:1px solid var(--neutral)}.longform article h2{font-size:28px}.longform article p{margin-top:0}.longform .side-note{font-size:13px;color:var(--muted)}
.timeline{max-width:980px;margin:auto;position:relative}.timeline:before{content:"";position:absolute;left:42px;top:30px;bottom:30px;width:2px;background:var(--border)}.timeline-item{display:grid;grid-template-columns:85px 1fr;gap:22px;position:relative;padding:24px 0}.timeline-mark{width:64px;height:64px;border-radius:50%;background:#fff;border:2px solid var(--blue);color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:900;z-index:1}.timeline-body{background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px}.timeline-body p{margin-bottom:0;color:var(--muted)}.tag-wall{display:flex;flex-wrap:wrap;gap:14px;align-items:center}.tag-wall a{border:1px solid var(--border);background:#fff;border-radius:999px;padding:14px 22px;color:var(--ink);font-weight:750}.tag-wall a:nth-child(3n+1){font-size:24px;padding:20px 28px}.tag-wall a:nth-child(4n){background:var(--pale)}.tag-wall a:hover{border-color:rgba(20,120,242,.35);color:var(--blue)}
.qa-list{display:grid;gap:18px}.qa-item{display:grid;grid-template-columns:100px 1fr 180px;gap:26px;padding:28px 0;border-top:1px solid var(--neutral)}.qa-item .qmark{font-size:48px;color:var(--blue);font-weight:900}.qa-item p{margin-top:0;color:var(--muted)}.qa-related{font-size:13px;color:var(--blue)}.story-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(300px,.8fr);gap:34px}.main-story{background:#fff;border:1px solid var(--border);border-radius:18px;padding:44px}.main-story h2{font-size:38px}.short-stories{display:grid;gap:12px}.short-story{padding:22px;border-bottom:1px solid var(--neutral)}.short-story p{font-size:14px;color:var(--muted)}
.catalog-wall{columns:3 280px;column-gap:18px}.catalog-item{break-inside:avoid;margin:0 0 18px;padding:26px;border:1px solid var(--border);border-radius:16px;background:#fff}.catalog-item:nth-child(3n){background:var(--pale)}.catalog-item p{color:var(--muted)}.feature-list{display:grid;gap:20px}.feature{display:grid;grid-template-columns:180px 1fr;gap:36px;padding:34px;border-top:1px solid var(--neutral)}.feature-no{font-size:28px;color:var(--blue);font-weight:900}.feature ul{padding-left:20px;color:var(--muted)}.handbook-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.handbook-card{padding:28px;border:1px solid var(--neutral);border-radius:14px;background:#fff}.handbook-card h3{font-size:23px}.handbook-card p{color:var(--muted)}
.collection-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.collection{grid-column:span 4;background:#fff;border:1px solid var(--border);border-radius:18px;padding:28px;min-height:250px}.collection:nth-child(1),.collection:nth-child(5){grid-column:span 6}.collection .scene{font-size:12px;color:var(--blue);font-weight:800}.collection p{color:var(--muted)}.notice-board{max-width:1000px;margin:auto;border-top:3px solid var(--ink)}.notice{display:grid;grid-template-columns:150px 1fr;gap:28px;padding:28px 8px;border-bottom:1px solid var(--neutral)}.notice .status{color:var(--blue);font-weight:800;font-size:13px}.notice p{color:var(--muted)}.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.principle{padding:28px;border-radius:16px;background:#fff;border:1px solid var(--border)}.principle .num{font-size:34px}.principle p{color:var(--muted)}
.app-panel{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}.app-visual{min-height:520px;background:linear-gradient(145deg,#e3f0ff,#fff);border-radius:22px;display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:var(--shadow)}.app-visual img{width:100%;height:100%;object-fit:contain}.phone-fallback{width:260px;height:480px;border:12px solid #17243a;border-radius:44px;background:linear-gradient(#edf5ff,#fff);padding:38px 22px;box-shadow:var(--brand-shadow)}.phone-fallback:before{content:"海角社区";display:block;color:var(--blue);font-weight:900;font-size:28px;margin-bottom:24px}.app-visual img+.phone-fallback{display:none}.feature-mini{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}.feature-mini div{padding:18px;background:var(--pale);border-radius:12px;color:var(--ink);font-weight:750}.risk-band{background:#091E39;color:#E9F3FF}.risk-band h2,.risk-band h3{color:#fff}.risk-band .lead,.risk-band p{color:#c9dbef}.risk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}.risk-item{border:1px solid rgba(255,255,255,.13);border-radius:14px;padding:22px;background:rgba(255,255,255,.035)}.risk-item strong{color:#fff}.risk-item span{display:block;font-size:13px;color:#9fc5f2;margin-top:6px}.privacy-box{border:2px solid rgba(20,120,242,.18);border-radius:20px;padding:34px;background:#fff}.privacy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}.privacy-grid div{padding:18px;background:var(--sub);border-radius:12px}
.brand-manifesto{background:linear-gradient(135deg,#e3f0ff 0%,#fff 46%,#edf5ff 100%);position:relative;overflow:hidden}.brand-manifesto:after{content:"HAI JIAO COMMUNITY";position:absolute;right:-10px;bottom:-35px;font-size:clamp(50px,9vw,130px);font-weight:900;color:rgba(20,120,242,.05);white-space:nowrap;pointer-events:none}.brand-manifesto .container{position:relative;z-index:1}.brand-manifesto p{max-width:900px;font-size:18px}.page-hero{padding:74px 0 44px;background:linear-gradient(180deg,var(--sub),#fff)}.page-hero .hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:end}.page-hero h1{margin:12px 0 18px}.page-hero .hero-note{border-left:2px solid var(--blue);padding-left:22px;color:var(--muted)}.inline-nav{display:flex;gap:12px;overflow-x:auto;padding:14px 0;border-bottom:1px solid var(--neutral)}.inline-nav a{white-space:nowrap;padding:8px 12px;border-radius:999px;background:var(--sub);font-size:13px}.article-stack{max-width:980px;margin:auto}.article-section{padding:38px 0;border-bottom:1px solid var(--neutral)}.article-section h2{font-size:30px}.article-section ul{padding-left:22px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}.info-panel{padding:24px;background:var(--sub);border-radius:14px}.step-list{counter-reset:step;display:grid;gap:16px}.step{counter-increment:step;display:grid;grid-template-columns:58px 1fr;gap:18px;padding:20px;border:1px solid var(--border);border-radius:14px}.step:before{content:counter(step,decimal-leading-zero);width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--pale);color:var(--blue);font-weight:900}.faq-list{max-width:980px;margin:auto;display:grid;gap:12px}.faq-list details{border:1px solid var(--border);border-radius:14px;background:#fff;padding:0 20px}.faq-list summary{cursor:pointer;list-style:none;min-height:64px;display:flex;align-items:center;font-weight:800;color:var(--ink);padding-right:30px;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:24px}.faq-list details[open] summary:after{content:"−"}.faq-list details p{padding:0 0 20px;margin:0;color:var(--muted)}
.overlay{position:fixed;z-index:1090;inset:var(--header) 0 0;background:rgba(9,30,57,.35);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.explore-panel,.search-panel{position:fixed;z-index:1100;top:var(--header);left:0;right:0;background:#fff;box-shadow:0 22px 60px rgba(9,30,57,.16);max-height:85vh;overflow-y:auto;transform:translateY(-16px);opacity:0;visibility:hidden;pointer-events:none;transition:.22s}.explore-panel.is-open,.search-panel.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}.panel-head,.search-inner{max-width:var(--max);margin:auto;padding-left:20px;padding-right:20px}.panel-head{min-height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;border-bottom:1px solid var(--neutral)}.panel-head h2{font-size:22px;margin:0;text-align:center}.panel-brand{justify-self:start}.panel-brand img{max-width:150px;max-height:42px;object-fit:contain}.panel-brand span{display:flex;flex-direction:column}.panel-brand small{font-size:9px;color:var(--blue)}.panel-close{justify-self:end;color:var(--blue);font-weight:800}.explore-groups{max-width:var(--max);margin:auto;padding:28px 20px 36px;display:grid;grid-template-columns:repeat(5,1fr);gap:18px}.explore-group h3{font-size:15px;color:var(--blue);margin-bottom:14px}.explore-group a{display:block;padding:12px;border-radius:10px}.explore-group a:hover{background:var(--sub)}.explore-group a strong{display:block;font-size:15px}.explore-group a span{display:block;font-size:12px;color:var(--muted);margin-top:4px;line-height:1.55}.search-inner{padding-top:30px;padding-bottom:40px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-head h2{margin:5px 0 0}.search-box{max-width:820px;margin:26px 0;min-height:60px;border:2px solid var(--border);border-radius:14px;display:flex;align-items:center;gap:12px;padding:0 16px;background:var(--sub)}.search-box span{font-size:28px;color:var(--blue)}.search-box input{border:0;background:transparent;flex:1;min-width:0;outline:0;font-size:17px}.search-columns{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px}.search-columns h3{font-size:14px;color:var(--blue)}.search-links{display:flex;flex-wrap:wrap;gap:10px}.search-links a{padding:10px 13px;border-radius:999px;background:var(--pale);font-size:13px}.search-columns p{margin:7px 0;color:var(--muted)}.site-footer{background:#091E39;color:#E9F3FF;padding:66px 0 calc(34px + env(safe-area-inset-bottom))}.footer-inner{max-width:var(--max);margin:auto;padding:0 20px}.footer-brand-block{display:grid;grid-template-columns:280px 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-logo{display:flex;flex-direction:column}.footer-logo strong{font-size:30px}.footer-logo small{font-size:10px;letter-spacing:.15em;color:#9fc5f2}.footer-logo img{max-width:220px;max-height:68px;object-fit:contain}.footer-brand-block p{margin:0;color:#bcd1e8}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:38px 0}.footer-links h3{color:#fff;font-size:15px}.footer-links a{display:block;color:#bcd1e8;font-size:14px;margin:8px 0}.footer-links a:hover{color:#fff}.footer-note{padding:20px;border-radius:12px;background:rgba(255,255,255,.05);color:#bcd1e8;font-size:13px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:28px;color:#8faeca;font-size:12px}.mobile-bottom-nav{display:none}
@media(max-width:1080px){.desktop-nav a{padding:0 8px;font-size:13px}.brand{min-width:150px}.brand-fallback strong{font-size:18px}.brand-fallback small{display:none}.desktop-actions .icon-button span:last-child{display:none}.explore-desk{grid-template-columns:1fr 1.5fr}.cover-right{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:0}.cover-left{padding-top:10px}.plan-board{grid-template-columns:1fr 1fr}.principle-grid,.privacy-grid{grid-template-columns:1fr 1fr}.explore-groups{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){:root{--header:60px}.desktop-nav-wrap{display:none}.mobile-nav-wrap{height:100%;padding:0 15px;display:grid;grid-template-columns:52px 1fr 52px;align-items:center}.mobile-brand{justify-self:center;max-width:180px;min-width:0;color:var(--ink)}.mobile-brand strong{font-size:20px}.mobile-logo-img{max-width:170px;max-height:42px;object-fit:contain}.mobile-nav-wrap>.icon-button{justify-self:end}.container{padding-left:15px;padding-right:15px}.section{padding:58px 0}.section-head{align-items:start;flex-direction:column}.explore-desk{display:flex;flex-direction:column;padding:34px 15px 48px}.cover-left{order:1}.cover-center{order:2;min-height:320px}.cover-right{order:3;display:block}.cover-left h1{font-size:42px}.micro-index{display:none}.cover-fallback{padding:28px}.cover-fallback strong{font-size:36px}.cover-right{padding-top:18px}.editorial-grid,.city-magazine,.collection-grid{display:block}.editorial-item,.city-card,.collection{margin-bottom:14px;min-height:0}.plan-board,.handbook-grid,.two-col,.app-panel{grid-template-columns:1fr}.longform article{grid-template-columns:1fr;gap:8px}.qa-item{grid-template-columns:54px 1fr}.qa-related{grid-column:2}.story-layout{grid-template-columns:1fr}.catalog-wall{columns:1}.feature{grid-template-columns:1fr;gap:10px;padding-left:0;padding-right:0}.principle-grid,.privacy-grid,.risk-grid{grid-template-columns:1fr}.page-hero{padding:50px 0 30px}.page-hero .hero-grid{grid-template-columns:1fr;gap:18px}.page-hero .hero-note{font-size:14px}.footer-brand-block{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.site-footer{padding-bottom:calc(94px + env(safe-area-inset-bottom))}.mobile-bottom-nav{position:fixed;z-index:1002;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);min-height:64px;padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.97);border-top:1px solid var(--neutral);box-shadow:0 -8px 24px rgba(35,72,118,.08)}.mobile-bottom-nav a{min-height:58px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;font-size:11px;color:var(--muted)}.mobile-bottom-nav a span{font-size:18px;line-height:1.1}.mobile-bottom-nav a strong{font-weight:700}.mobile-bottom-nav a.is-current{color:var(--blue)}.overlay{inset:0;z-index:1190}.explore-panel,.search-panel{z-index:1200;top:0;bottom:calc(64px + env(safe-area-inset-bottom));max-height:none}.panel-head{position:sticky;top:0;background:#fff;z-index:2;min-height:64px;padding-left:15px;padding-right:15px}.panel-head h2{font-size:18px}.panel-brand img{max-width:120px}.explore-groups{grid-template-columns:1fr;padding:14px 15px 28px;gap:4px}.explore-group{border-bottom:1px solid var(--neutral);padding:12px 0}.explore-group a{padding:10px 4px}.explore-group a span{font-size:12px}.search-inner{padding:20px 15px 30px}.search-head{position:sticky;top:0;background:#fff;padding:10px 0;z-index:2}.search-columns{grid-template-columns:1fr}.search-box{margin:18px 0}.app-visual{min-height:420px}.content-index .container{padding-left:15px}.catalog-item{margin-bottom:12px}}
@media(max-width:480px){h1{font-size:36px}.lead{font-size:16px}.cover-left h1{font-size:38px}.footer-links{grid-template-columns:1fr}.plan-board{grid-template-columns:1fr}.feature-mini{grid-template-columns:1fr}.timeline:before{left:29px}.timeline-item{grid-template-columns:60px 1fr;gap:12px}.timeline-mark{width:50px;height:50px}.main-story{padding:26px}.main-story h2{font-size:30px}.qa-item{grid-template-columns:42px 1fr;gap:12px}.qa-item .qmark{font-size:34px}.privacy-box{padding:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
/* Semantic page patterns */
.section-soft{background:var(--sub)}
.primary-btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:12px;color:#fff;background:linear-gradient(135deg,#43A0FF 0%,#1478F2 56%,#0964CE 100%);box-shadow:var(--brand-shadow);font-weight:800}
.button-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:26px}
.plan-time{display:inline-block;color:var(--blue);font-size:13px;font-weight:900;letter-spacing:.08em;margin-bottom:12px}.plan-column .plan-item{padding:18px 0;border-top:1px solid var(--neutral)}.plan-column .plan-item p{font-size:14px;color:var(--muted);margin-bottom:0}
.timeline-node{display:grid;grid-template-columns:85px 1fr;gap:22px;position:relative;padding:24px 0}.timeline-node>span{width:64px;height:64px;border-radius:50%;background:#fff;border:2px solid var(--blue);color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:13px;z-index:1}.timeline-node>div{background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px}.timeline-node>div p{margin-bottom:0;color:var(--muted)}.timeline-node.start>span,.timeline-node.end>span{background:var(--blue);color:#fff}
.handbook-grid>article{padding:28px;border:1px solid var(--neutral);border-radius:14px;background:#fff}.handbook-grid>article h2{font-size:23px}.handbook-grid>article p{color:var(--muted)}
.qa-list>article{display:grid;grid-template-columns:90px 1fr;gap:26px;padding:28px 0;border-top:1px solid var(--neutral)}.qa-mark{font-size:42px;color:var(--blue);font-weight:900;line-height:1}.qa-list>article p{margin-top:0;color:var(--muted)}.related{font-size:13px;color:var(--blue)}
.short-stories>article{padding:22px;border-bottom:1px solid var(--neutral)}.short-stories>article>span{color:var(--blue);font-weight:900}.short-stories>article p{font-size:14px;color:var(--muted)}
.catalog-wall>article{break-inside:avoid;margin:0 0 18px;padding:26px;border:1px solid var(--border);border-radius:16px;background:#fff}.catalog-wall>article:nth-child(3n){background:var(--pale)}.catalog-wall>article>span{font-size:12px;color:var(--blue);font-weight:900}.catalog-wall>article p{color:var(--muted)}.catalog-wall>article a{color:var(--blue);font-weight:700}
.feature-row{display:grid;grid-template-columns:180px 1fr;gap:36px;padding:34px;border-top:1px solid var(--neutral)}.feature-row ul{padding-left:20px;color:var(--muted)}
.collection-grid>article{grid-column:span 4;background:#fff;border:1px solid var(--border);border-radius:18px;padding:28px;min-height:250px}.collection-grid>article:nth-child(1),.collection-grid>article:nth-child(5){grid-column:span 6}.collection-tab,.reading-scene{font-size:12px;color:var(--blue);font-weight:800}.reading-scene{margin:16px 0}.collection-grid>article p{color:var(--muted)}.collection-grid>article a{color:var(--blue);font-weight:700}
.notice-board>article{display:grid;grid-template-columns:150px 1fr;gap:8px 28px;padding:28px 8px;border-bottom:1px solid var(--neutral)}.notice-board>article h2,.notice-board>article p,.notice-board>article a{grid-column:2}.notice-state{grid-column:1;grid-row:1 / span 3;color:var(--blue);font-weight:800;font-size:13px}.notice-board>article p{color:var(--muted);margin:0}.notice-board>article a{color:var(--blue);font-weight:700}
.principle-grid>article{padding:28px;border-radius:16px;background:#fff;border:1px solid var(--border)}.principle-grid>article>span{font-size:34px;color:var(--blue);font-weight:900}.principle-grid>article p{color:var(--muted)}
.article-stack>article{padding:38px 0;border-bottom:1px solid var(--neutral)}.article-stack>article h2{font-size:30px}.article-stack>article p{color:var(--text)}
.two-column{display:grid;grid-template-columns:1fr 1fr;gap:22px}.two-column>article,.three-column>article{padding:26px;border:1px solid var(--border);border-radius:14px;background:#fff}.three-column{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.risk-grid>article{border:1px solid rgba(255,255,255,.13);border-radius:14px;padding:22px;background:rgba(255,255,255,.035)}.risk-grid>article>span{display:block;color:#9fc5f2;font-weight:900}.risk-grid>article p{color:#c9dbef}
.privacy-check{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.privacy-check>div{padding:20px;background:#fff;border:1px solid var(--border);border-radius:12px}.privacy-check span{color:var(--blue);font-weight:800}.privacy-check p{margin-bottom:0;color:var(--muted)}
.brand-manifesto{padding:82px 0}.brand-manifesto .container{display:grid;grid-template-columns:260px 1fr;gap:56px}.manifesto-mark{font-size:clamp(40px,6vw,74px);line-height:1;color:var(--blue);font-weight:900;writing-mode:vertical-rl;letter-spacing:.06em}
.longform article>.section-number{grid-column:1;grid-row:1 / span 10;color:var(--blue);font-size:30px;font-weight:900}.longform article>.section-number~h2,.longform article>.section-number~p{grid-column:2}.section-number{color:var(--blue);font-weight:900}
.mini-brand{display:block;color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.08em;margin-bottom:22px}.phone-fallback strong{display:block;color:var(--ink);font-size:28px;line-height:1.25}.phone-fallback small{display:block;color:var(--muted);margin-top:18px}
@media(max-width:820px){.feature-row,.timeline-node,.qa-list>article{grid-template-columns:54px 1fr;gap:14px}.feature-row{grid-template-columns:1fr;padding-left:0;padding-right:0}.collection-grid>article{margin-bottom:14px;min-height:0}.notice-board>article{grid-template-columns:1fr;gap:8px}.notice-state,.notice-board>article h2,.notice-board>article p,.notice-board>article a{grid-column:1;grid-row:auto}.three-column,.two-column,.privacy-check,.brand-manifesto .container{grid-template-columns:1fr}.manifesto-mark{writing-mode:horizontal-tb;font-size:42px}.longform article>.section-number,.longform article>.section-number~h2,.longform article>.section-number~p{grid-column:1;grid-row:auto}.risk-grid>article{min-height:0}}
@media(max-width:480px){.timeline-node,.qa-list>article{grid-template-columns:46px 1fr}.timeline-node>span{width:44px;height:44px;font-size:10px}.qa-mark{font-size:28px}}
.risk-band{padding:72px 0}
.explore-group a,.search-links a{min-height:44px;display:flex;align-items:center}.footer-links a{min-height:44px;display:flex;align-items:center;margin:0}.primary-btn:hover{transform:translateY(-1px)}
@media(max-width:820px){.overlay{inset:0 0 calc(64px + env(safe-area-inset-bottom)) 0}}