:root{--blue:#1478F2;--bright:#348FFF;--deep:#0765D4;--navy:#094D9E;--ink:#17243A;--text:#3C495D;--muted:#6E7988;--hint:#99A2AF;--bg:#fff;--soft:#F7FAFE;--pale:#EDF5FF;--softblue:#E3F0FF;--gray:#F4F6F9;--line:rgba(20,120,242,.12);--nline:rgba(20,40,70,.08);--shadow:0 14px 38px rgba(35,72,118,.08);--bshadow:0 16px 44px rgba(20,120,242,.14);--radius:16px;--max:1320px;--header:72px;--gradient:linear-gradient(135deg,#43A0FF 0%,#1478F2 56%,#0964CE 100%)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;line-height:1.72;overflow-x:hidden}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:16px;top:-80px;z-index:200;background:#fff;color:var(--blue);padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}.skip-link:focus{top:10px}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(20,120,242,.32);outline-offset:3px}.site-header{position:fixed;inset:0 0 auto 0;height:var(--header);z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--nline);backdrop-filter:blur(14px)}.desktop-nav-wrap{height:100%}.desktop-nav{height:100%;max-width:var(--max);margin:auto;padding:0 18px;display:flex;align-items:center;gap:22px}.brand-lockup{display:flex;align-items:center;min-width:190px;height:52px}.brand-logo-img{max-height:44px;width:auto}.brand-mark{display:inline-flex;flex-direction:column;gap:0;line-height:1.08;padding:8px 11px;border-radius:9px;background:var(--blue);color:#fff}.brand-mark strong{font-size:18px;letter-spacing:.04em}.brand-mark small{font-size:8px;letter-spacing:.14em}.brand-mark.inverse{background:#fff;color:#0c3565}.desktop-links{display:flex;align-items:stretch;min-width:0;white-space:nowrap;height:100%;gap:2px}.nav-link,.text-action{position:relative;display:flex;align-items:center;justify-content:center;min-height:44px;padding:0 11px;border-radius:10px;font-size:14px;color:#415067;transition:.18s}.nav-link:hover,.text-action:hover{background:var(--pale);color:var(--blue)}.nav-link.is-current,.text-action.is-current{color:var(--blue);font-weight:700}.nav-link.is-current:after,.text-action.is-current:after{content:"";position:absolute;left:50%;bottom:7px;width:5px;height:5px;border-radius:50%;background:var(--blue);transform:translateX(-50%)}.desktop-actions{margin-left:auto;display:flex;align-items:center;gap:3px;white-space:nowrap}.icon-action,.grid-action,.mobile-icon-btn,.close-btn{border:0;background:transparent;cursor:pointer}.icon-action{display:flex;align-items:center;gap:7px;min-height:44px;padding:0 10px;border-radius:10px}.icon-action:hover,.grid-action:hover,.mobile-icon-btn:hover{background:var(--pale)}.grid-action,.mobile-icon-btn{width:46px;height:46px;border-radius:12px;display:grid;place-items:center}.search-glyph{position:relative;display:inline-block;width:18px;height:18px;border:2px solid currentColor;border-radius:50%}.search-glyph:after{content:"";position:absolute;width:7px;height:2px;background:currentColor;right:-5px;bottom:-2px;transform:rotate(45deg);border-radius:1px}.grid-glyph{display:grid;grid-template-columns:repeat(3,4px);gap:3px}.grid-glyph i{display:block;width:4px;height:4px;background:currentColor;border-radius:1px}.mobile-topbar{display:none}.overlay-shell{position:fixed;inset:0;z-index:130;visibility:hidden;pointer-events:none}.overlay-shell.is-open{visibility:visible;pointer-events:auto}.overlay-backdrop{position:absolute;inset:0;background:rgba(5,27,53,.38);opacity:0;pointer-events:none;transition:opacity .2s}.overlay-shell.is-open .overlay-backdrop{opacity:1;pointer-events:auto}.explore-panel,.search-panel{position:relative;z-index:1;background:#fff;max-height:85vh;overflow:auto;transform:translateY(-22px);opacity:0;transition:.22s ease;box-shadow:0 24px 60px rgba(14,50,92,.18)}.overlay-shell.is-open .explore-panel,.overlay-shell.is-open .search-panel{transform:translateY(0);opacity:1}.explore-panel{padding:26px max(20px,calc((100vw - 1320px)/2 + 18px)) 34px}.overlay-head{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;margin-bottom:24px}.overlay-brand{justify-self:start}.overlay-brand img{max-height:42px;width:auto}.overlay-head h2{margin:0;color:var(--ink);font-size:23px}.close-btn{justify-self:end;min-height:44px;padding:8px 14px;border-radius:10px;color:var(--muted)}.close-btn:hover{background:var(--gray);color:var(--ink)}.explore-groups{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}.explore-groups section{min-width:0}.explore-groups h3{color:var(--ink);font-size:13px;margin:0 0 10px;text-transform:none}.explore-groups a{display:block;padding:11px 10px;margin:0 -10px;border-radius:10px}.explore-groups a:hover{background:var(--pale)}.explore-groups strong{display:block;color:var(--ink);font-size:15px}.explore-groups span{display:block;color:var(--muted);font-size:12px;line-height:1.55;margin-top:3px}.search-panel{margin-top:var(--header);padding:28px max(20px,calc((100vw - 1050px)/2));max-height:calc(85vh - var(--header))}.search-head{grid-template-columns:1fr auto;margin-bottom:18px}.search-head h2{text-align:left}.eyebrow{display:block;color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.18em}.search-box{height:58px;border:1px solid rgba(20,120,242,.18);background:var(--soft);border-radius:14px;display:flex;align-items:center;gap:14px;padding:0 18px;color:var(--blue)}.search-box input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:16px}.search-content{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:26px}.search-content h3{font-size:13px;margin:0 0 10px;color:var(--muted)}.search-links{display:flex;flex-direction:column;gap:4px}.search-links a{min-height:42px;padding:9px 10px;border-radius:9px;color:var(--ink)}.search-links a:hover{background:var(--pale);color:var(--blue)}.search-links a[hidden]{display:none}.search-empty{grid-column:1/-1;background:var(--pale);padding:14px 16px;border-radius:12px;color:var(--muted)}body.overlay-open{overflow:hidden}main{padding-top:var(--header);min-height:70vh}.mobile-bottom-nav{display:none}.site-footer{background:#091E39;color:#E9F3FF}.footer-inner{max-width:var(--max);margin:auto;padding:58px 20px 28px}.footer-brand{display:grid;grid-template-columns:260px minmax(0,680px);gap:38px;align-items:start;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-logo img{max-height:52px;width:auto}.footer-brand p{margin:0;color:#bdd0e6}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;padding:34px 0}.footer-groups h2{font-size:13px;color:#86bdf8;margin:0 0 12px}.footer-groups a{display:block;color:#e6f1fd;font-size:14px;padding:3px 0}.footer-groups a:hover{color:#fff;text-decoration:underline}.footer-note{padding:18px 20px;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:rgba(255,255,255,.04);color:#b9cde4;font-size:13px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:25px;color:#91a7c0;font-size:12px}.footer-bottom a{color:#cbdced}
/* shared editorial */
.wrap{width:min(var(--max),calc(100% - 36px));margin:0 auto}.narrow{width:min(880px,calc(100% - 36px));margin:0 auto}.section{padding:76px 0}.section.soft{background:var(--soft)}.section.pale{background:var(--pale)}.section-title{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:30px}.section-title h2{margin:0;color:var(--ink);font-size:clamp(28px,3vw,46px);line-height:1.13;letter-spacing:-.02em}.section-title p{max-width:620px;margin:0;color:var(--muted)}.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:800;font-size:12px;letter-spacing:.12em;margin-bottom:12px}.kicker:before{content:"";width:20px;height:2px;background:var(--blue)}.page-hero{padding:84px 0 58px;background:linear-gradient(180deg,#fff 0%,#f7fafe 100%);border-bottom:1px solid var(--nline)}.page-hero .wrap{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);gap:70px;align-items:end}.page-hero h1{margin:0;color:var(--ink);font-size:clamp(42px,6vw,80px);line-height:1.02;letter-spacing:-.045em}.page-hero p{margin:18px 0 0;max-width:720px;color:var(--muted);font-size:17px}.hero-side{border-left:1px solid var(--line);padding-left:28px;color:var(--muted)}.hero-side strong{display:block;color:var(--blue);font-size:13px;margin-bottom:8px}.hero-side a{display:inline-flex;align-items:center;min-height:44px;color:var(--blue);font-weight:700;margin-top:10px}.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-weight:700}.text-link:after{content:"→";transition:transform .18s}.text-link:hover:after{transform:translateX(4px)}.primary-link{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:11px;background:var(--gradient);color:#fff;font-weight:700;box-shadow:var(--bshadow)}.primary-link:hover{filter:brightness(.98);transform:translateY(-1px)}.outline-link{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border:1px solid var(--line);border-radius:11px;color:var(--blue);background:#fff;font-weight:700}.chips{display:flex;flex-wrap:wrap;gap:10px}.chip{display:inline-flex;min-height:40px;align-items:center;padding:7px 12px;border-radius:999px;background:var(--pale);color:#215c9b;font-size:13px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;border:1px solid var(--nline);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.card h3{margin:0 0 10px;color:var(--ink);font-size:20px;line-height:1.35}.card p{margin:0;color:var(--muted)}.card .text-link{margin-top:16px}.number{font-size:12px;font-weight:900;letter-spacing:.12em;color:var(--blue)}.rule{height:1px;background:var(--nline)}.prose h2{font-size:30px;color:var(--ink);margin:48px 0 16px}.prose h3{font-size:20px;color:var(--ink);margin:28px 0 10px}.prose p{font-size:16px;color:var(--text);margin:0 0 17px}.prose ul{padding-left:20px}.prose li{margin:8px 0}.notice{border-left:4px solid var(--blue);background:var(--pale);padding:18px 20px;border-radius:0 12px 12px 0}.content-index{position:relative;display:flex;gap:22px;overflow-x:auto;scrollbar-width:none;padding:15px max(18px,calc((100vw - 1320px)/2 + 18px));border-bottom:1px solid var(--nline);background:#fff;white-space:nowrap}.content-index::-webkit-scrollbar{display:none}.content-index a{position:relative;flex:0 0 auto;font-size:13px;color:var(--muted);padding:6px 0}.content-index a:hover,.content-index a.is-current{color:var(--blue)}.content-index a.is-current:before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--blue);vertical-align:middle;margin-right:7px}.visual-fallback{position:relative;min-height:280px;border-radius:18px;overflow:hidden;background:linear-gradient(145deg,#dcecff,#f7fbff 60%,#e8f3ff);border:1px solid var(--line)}.visual-fallback:before,.visual-fallback:after{content:"";position:absolute;border-radius:50%;border:1px dashed rgba(20,120,242,.28)}.visual-fallback:before{width:260px;height:260px;right:-55px;top:-70px}.visual-fallback:after{width:120px;height:120px;left:9%;bottom:-40px}.visual-fallback .coord{position:absolute;left:28px;bottom:26px;color:var(--blue);font-size:12px;letter-spacing:.13em}.editorial-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.editorial-grid article{border-top:2px solid var(--ink);padding-top:15px}.editorial-grid h3{margin:6px 0 10px;color:var(--ink);font-size:22px;line-height:1.3}.editorial-grid p{margin:0;color:var(--muted)}.editorial-grid .span-7{grid-column:span 7}.editorial-grid .span-5{grid-column:span 5}.editorial-grid .span-4{grid-column:span 4}.editorial-grid .span-8{grid-column:span 8}.editorial-grid .span-6{grid-column:span 6}
/* home */
.home-stage{padding:48px 0 36px;background:linear-gradient(180deg,#fff 0%,#f7fbff 100%)}.explorer{display:grid;grid-template-columns:28fr 47fr 25fr;min-height:550px;border:1px solid var(--nline);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);background:#fff}.explorer-left,.explorer-right{padding:38px 30px}.explorer-left{display:flex;flex-direction:column;justify-content:center;background:#fff}.explorer-left h1{font-size:clamp(36px,4vw,60px);line-height:1.02;margin:0;color:var(--ink);letter-spacing:-.04em}.explorer-left p{font-size:14px;color:var(--muted);margin:20px 0}.hero-actions{display:flex;flex-wrap:wrap;gap:10px}.mini-index{margin-top:32px;display:grid;grid-template-columns:1fr 1fr;gap:10px}.mini-index a{padding-top:12px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.explorer-center{position:relative;display:flex;align-items:stretch;background:var(--pale);min-width:0}.explorer-center img{width:100%;height:100%;object-fit:contain}.banner-fallback{width:100%;min-height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:38px;background:radial-gradient(circle at 75% 20%,rgba(52,143,255,.20),transparent 33%),linear-gradient(160deg,#e7f2ff,#f7fbff)}.banner-fallback b{font-size:13px;color:var(--blue);letter-spacing:.16em}.banner-fallback span{font-size:40px;line-height:1.08;color:var(--ink);font-weight:800;max-width:380px;margin-top:10px}.explorer-right{background:var(--soft)}.explorer-right h2{font-size:14px;color:var(--blue);margin:0 0 14px}.discover-item{padding:16px 0;border-bottom:1px solid var(--nline)}.discover-item:last-child{border-bottom:0}.discover-item h3{font-size:16px;margin:0 0 5px;color:var(--ink)}.discover-item p{font-size:12px;line-height:1.6;margin:0 0 8px;color:var(--muted)}.discover-item a{font-size:12px;color:var(--blue);font-weight:700}.editor-picks{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--nline);border:1px solid var(--nline);border-radius:16px;overflow:hidden}.editor-picks article{background:#fff;padding:24px 19px;min-height:265px}.editor-picks .number{font-size:28px}.editor-picks h3{margin:26px 0 12px;color:var(--ink);font-size:18px}.editor-picks p{font-size:13px;color:var(--muted);margin:0}.map-mag{display:grid;grid-template-columns:1.7fr 1fr 1fr;grid-auto-rows:minmax(210px,auto);gap:16px}.map-mag article{position:relative;padding:26px;border-radius:16px;background:#fff;border:1px solid var(--nline);overflow:hidden}.map-mag article:first-child{grid-row:span 2;background:var(--pale);min-height:455px}.map-mag h3{color:var(--ink);font-size:24px;margin:4px 0 10px}.map-mag p{margin:0;color:var(--muted)}.plan-board{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--nline);border-left:1px solid var(--nline)}.plan-col{border-right:1px solid var(--nline);border-bottom:1px solid var(--nline);padding:24px;background:#fff}.plan-col>strong{display:block;color:var(--blue);font-size:12px;letter-spacing:.12em;margin-bottom:20px}.plan-item{padding:18px 0;border-top:1px solid var(--nline)}.plan-item h3{font-size:18px;color:var(--ink);margin:0 0 7px}.plan-item p{font-size:13px;color:var(--muted);margin:0}.life-rows{display:grid;grid-template-columns:1fr 1fr;gap:18px}.life-rows article{padding:28px;border-radius:16px;background:#fff;border:1px solid var(--nline)}.life-rows article:nth-child(3n+1){grid-column:span 2}.life-rows h3{margin:0 0 10px;color:var(--ink);font-size:24px}.travel-line{display:grid;grid-template-columns:100px 1fr;gap:20px}.travel-nodes{display:flex;flex-direction:column;align-items:center}.travel-node{width:72px;height:72px;flex:0 0 72px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--blue);font-size:12px;font-weight:800}.travel-stem{width:1px;flex:1;min-height:45px;background:var(--line)}.travel-copy article{min-height:117px;padding:13px 0 30px;border-bottom:1px solid var(--nline)}.travel-copy h3{margin:0 0 7px;color:var(--ink)}.travel-copy p{margin:0;color:var(--muted)}.tag-wall{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;padding:30px}.tag-wall a{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink);font-weight:700}.tag-wall a:nth-child(3n){font-size:23px;padding:14px 25px}.tag-wall a:nth-child(4n){background:var(--pale);color:var(--blue)}.question-list article{display:grid;grid-template-columns:1fr 2fr 170px;gap:24px;padding:26px 0;border-top:1px solid var(--nline)}.question-list h3{margin:0;color:var(--ink);font-size:20px}.question-list p{margin:0;color:var(--muted)}.story-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:26px}.main-story{padding:34px;border-radius:18px;background:var(--pale)}.main-story h3{font-size:32px;line-height:1.25;margin:5px 0 16px;color:var(--ink)}.short-stories{display:grid;grid-template-columns:1fr 1fr;gap:12px}.short-stories article{padding:18px;border:1px solid var(--nline);border-radius:12px}.short-stories h3{font-size:16px;margin:0 0 8px;color:var(--ink)}.mag-wall{columns:4 240px;column-gap:16px}.mag-wall article{break-inside:avoid;padding:22px;margin:0 0 16px;border-radius:14px;background:#fff;border:1px solid var(--nline)}.mag-wall article:nth-child(3n){background:var(--pale);padding-top:38px;padding-bottom:38px}.feature-list{counter-reset:feature}.feature-row{display:grid;grid-template-columns:160px 1fr 220px;gap:30px;padding:34px 0;border-top:1px solid var(--nline)}.feature-id{font-size:12px;color:var(--blue);font-weight:900;letter-spacing:.1em}.feature-row h3{font-size:28px;line-height:1.25;margin:0 0 12px;color:var(--ink)}.handbook-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.handbook-grid article{padding:24px;border:1px solid var(--nline);border-radius:12px}.handbook-grid article:first-child{grid-column:span 2;background:var(--pale)}.folder-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.folder{position:relative;margin-top:15px;padding:28px 22px 22px;border-radius:0 14px 14px 14px;background:#fff;border:1px solid var(--nline)}.folder:before{content:"";position:absolute;left:-1px;top:-13px;width:42%;height:14px;border:1px solid var(--nline);border-bottom:0;border-radius:9px 9px 0 0;background:#fff}.bulletin-list{border-top:1px solid var(--nline)}.bulletin-row{display:grid;grid-template-columns:130px 1fr 180px;gap:24px;padding:22px 0;border-bottom:1px solid var(--nline)}.status-label{color:var(--blue);font-size:12px;font-weight:800}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.principle{padding:24px;border-left:3px solid var(--blue);background:#fff}.app-showcase{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}.app-image{border-radius:24px;background:var(--pale);padding:26px;min-height:420px;display:grid;place-items:center}.app-image img{max-height:480px;object-fit:contain}.app-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}.app-points div{padding:16px;border:1px solid var(--nline);border-radius:12px}.dark-safety{background:#0a2e58;color:#dcecff}.dark-safety .section-title h2,.dark-safety h3{color:#fff}.dark-safety .section-title p,.dark-safety p{color:#bdd4ec}.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12)}.safety-grid article{background:#0a2e58;padding:23px}.privacy-box{border:2px solid var(--line);border-radius:18px;padding:32px;background:#fff}.privacy-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.privacy-list span{padding:14px;background:var(--soft);border-radius:10px;color:var(--ink)}.brand-manifesto{padding:90px 0;background:linear-gradient(135deg,#e8f3ff,#fff 56%,#ddecff)}.brand-manifesto h2{font-size:clamp(36px,5vw,66px);line-height:1.05;max-width:880px;margin:0;color:var(--ink)}.brand-manifesto p{max-width:900px;font-size:17px;margin:25px 0 0;color:var(--text)}
/* page-specific structures */
.horizontal-index{display:flex;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:none}.horizontal-index a{flex:0 0 auto;padding:8px 13px;border-radius:999px;background:var(--pale);color:var(--blue);font-size:13px}.city-lead{display:grid;grid-template-columns:1.3fr .7fr;gap:26px}.city-lead article:first-child{min-height:420px;padding:38px;background:var(--pale);border-radius:18px}.city-stack{display:grid;gap:16px}.city-stack article{padding:22px;border:1px solid var(--nline);border-radius:14px}.day-board{display:grid;grid-template-columns:110px 1fr;gap:20px}.day-marker{position:sticky;top:100px;align-self:start;color:var(--blue);font-weight:900}.day-items{display:grid;grid-template-columns:1fr 1fr;gap:14px}.day-items article{padding:22px;background:#fff;border:1px solid var(--nline);border-radius:14px}.longform-lead{font-size:23px;line-height:1.6;color:var(--ink);margin-bottom:34px}.pullquote{font-size:28px;line-height:1.45;color:var(--ink);padding:28px 0;border-top:2px solid var(--blue);border-bottom:1px solid var(--line);margin:35px 0}.journey-timeline{position:relative;padding-left:90px}.journey-timeline:before{content:"";position:absolute;left:36px;top:10px;bottom:10px;width:1px;background:var(--line)}.journey-step{position:relative;padding:0 0 34px}.journey-step:before{content:attr(data-step);position:absolute;left:-90px;top:0;width:72px;height:40px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;color:var(--blue);font-size:12px;font-weight:900}.journey-step h2{margin:0 0 8px;color:var(--ink)}.interest-map{display:flex;flex-wrap:wrap;gap:13px;justify-content:center;padding:50px 20px;background:var(--pale);border-radius:20px}.interest-map a{display:flex;align-items:center;justify-content:center;min-width:120px;min-height:70px;padding:15px 22px;background:#fff;border:1px solid var(--line);border-radius:50% 45% 48% 52%;font-weight:800;color:var(--ink)}.interest-map a:nth-child(2n){min-height:100px}.interest-map a:nth-child(3n){min-width:170px;color:var(--blue)}.interest-sections article{display:grid;grid-template-columns:180px 1fr 220px;gap:26px;padding:28px 0;border-top:1px solid var(--nline)}.qa-entry{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(0,1.5fr);gap:34px;padding:32px 0;border-top:1px solid var(--nline)}.qa-entry h2{margin:0;color:var(--ink);font-size:26px}.qa-entry p{margin:0 0 12px}.voice-main{font-size:19px;line-height:1.9}.voice-sidebar{position:sticky;top:100px;align-self:start;padding:22px;background:var(--pale);border-radius:14px}.voice-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:50px}.voice-note{padding:24px 0;border-top:1px solid var(--nline)}.catalog-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.catalog-grid article{min-height:250px;padding:22px;border:1px solid var(--nline);border-radius:12px}.catalog-grid article:nth-child(5n+1){grid-column:span 2;background:var(--pale)}.spotlight-cover{padding:86px 0;background:var(--pale)}.spotlight-cover h1{font-size:clamp(48px,7vw,92px);line-height:.95;max-width:930px;color:var(--ink);margin:0}.chapter-index{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--nline);border:1px solid var(--nline)}.chapter-index a{background:#fff;padding:20px;color:var(--ink)}.chapter-index a:hover{background:var(--pale)}.chapter{display:grid;grid-template-columns:160px 1fr;gap:38px;padding:48px 0;border-bottom:1px solid var(--nline)}.chapter-no{font-size:14px;color:var(--blue);font-weight:900;letter-spacing:.12em}.chapter h2{font-size:34px;margin:0 0 15px;color:var(--ink)}.manual-list{display:grid;gap:0;border-top:1px solid var(--nline)}.manual-entry{display:grid;grid-template-columns:100px 1fr 280px;gap:28px;padding:30px 0;border-bottom:1px solid var(--nline)}.manual-entry h2{margin:0;color:var(--ink);font-size:23px}.manual-entry p{margin:0;color:var(--muted)}.collection-shelf{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.collection-card{position:relative;padding:32px;border-radius:16px;border:1px solid var(--nline);background:#fff}.collection-card:nth-child(3n){background:var(--pale)}.collection-card h2{font-size:24px;color:var(--ink);margin:0 0 10px}.collection-meta{font-size:12px;color:var(--blue);margin-top:15px}.community-values{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.value-block{padding:30px;border-top:3px solid var(--blue);background:#fff}.value-block h2{font-size:25px;color:var(--ink);margin:0 0 12px}.install-steps{counter-reset:step;display:grid;gap:14px}.install-step{counter-increment:step;display:grid;grid-template-columns:76px 1fr;gap:22px;padding:24px;background:#fff;border:1px solid var(--nline);border-radius:14px}.install-step:before{content:"0" counter(step);font-size:28px;color:var(--blue);font-weight:900}.risk-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.risk-card{padding:26px;border-radius:14px;background:#fff;border:1px solid var(--nline)}.risk-card h2{font-size:22px;color:var(--ink);margin:0 0 12px}.privacy-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--nline);border:1px solid var(--nline)}.privacy-matrix article{background:#fff;padding:28px}.privacy-matrix h2{font-size:21px;color:var(--ink);margin:0 0 10px}.rules-layout{display:grid;grid-template-columns:250px 1fr;gap:44px}.rules-nav{position:sticky;top:100px;align-self:start}.rules-nav a{display:block;padding:9px 0;color:var(--muted)}.rules-nav a:hover{color:var(--blue)}.rules-copy section{padding:0 0 34px;margin-bottom:32px;border-bottom:1px solid var(--nline)}.rules-copy h2{font-size:28px;color:var(--ink);margin:0 0 14px}.help-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.help-grid a{min-height:150px;padding:22px;background:#fff;border:1px solid var(--nline);border-radius:14px}.help-grid strong{display:block;color:var(--ink);font-size:18px;margin-bottom:8px}.help-grid span{display:block;color:var(--muted);font-size:13px}.faq-list details{border-top:1px solid var(--nline);padding:0}.faq-list details:last-child{border-bottom:1px solid var(--nline)}.faq-list summary{list-style:none;cursor:pointer;padding:22px 48px 22px 0;color:var(--ink);font-size:18px;font-weight:700;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:8px;top:18px;color:var(--blue);font-size:24px}.faq-list details[open] summary:after{content:"−"}.faq-list details p{margin:0;padding:0 45px 22px 0;color:var(--muted)}.feedback-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.feedback-flow article{padding:20px;background:var(--pale);border-radius:12px}.contact-paths{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.contact-paths article{padding:24px;border:1px solid var(--nline);border-radius:14px}.about-axis{display:grid;grid-template-columns:140px 1fr;gap:26px;padding:28px 0;border-top:1px solid var(--nline)}.about-axis strong{color:var(--blue)}
@media(max-width:1120px){.desktop-nav{gap:10px}.brand-lockup{min-width:160px}.nav-link{padding:0 7px;font-size:13px}.text-action{padding:0 7px}.action-label{display:none}.explore-groups{grid-template-columns:repeat(3,1fr)}.editor-picks{grid-template-columns:repeat(3,1fr)}.folder-grid{grid-template-columns:repeat(2,1fr)}.catalog-grid{grid-template-columns:repeat(3,1fr)}.help-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){:root{--header:60px}.desktop-nav-wrap{display:none}.mobile-topbar{height:60px;display:grid;grid-template-columns:54px minmax(0,1fr) 54px;align-items:center;padding:0 10px}.mobile-icon-btn{width:44px;height:44px}.mobile-brand{justify-self:center;min-width:0;display:flex;align-items:center;justify-content:center;max-width:210px}.mobile-brand img{max-width:100%;max-height:38px;width:auto}.mobile-brand span{font-size:18px;color:var(--blue);font-weight:900;white-space:nowrap}.mobile-bottom-nav{position:fixed;z-index:110;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;min-height:58px;padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.98);border-top:1px solid var(--nline);box-shadow:0 -8px 25px rgba(31,64,103,.08)}.mobile-bottom-nav a{min-height:58px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--muted);font-size:10px}.mobile-bottom-nav a.is-current{color:var(--blue);font-weight:800}.bottom-icon{width:19px;height:19px;border:1.7px solid currentColor;border-radius:5px}.city-icon{border-radius:2px 2px 6px 6px}.hobby-icon{border-radius:50%}.topic-icon{transform:rotate(45deg);border-radius:3px}.app-icon{border-radius:6px 6px 2px 2px}body{padding-bottom:calc(58px + env(safe-area-inset-bottom))}.site-footer{margin-bottom:0}.overlay-shell{bottom:calc(58px + env(safe-area-inset-bottom))}.explore-panel,.search-panel{height:100%;max-height:none;margin-top:0;padding:18px;overflow:auto}.overlay-head{position:sticky;top:-18px;z-index:3;background:#fff;padding:10px 0 14px;margin-bottom:12px;border-bottom:1px solid var(--nline)}.overlay-brand img{max-height:35px}.explore-groups{grid-template-columns:1fr}.explore-groups section{padding:8px 0 18px;border-bottom:1px solid var(--nline)}.explore-groups a{padding:10px}.search-content{grid-template-columns:1fr 1fr;gap:18px}.search-panel{padding-top:18px}.page-hero{padding:56px 0 42px}.page-hero .wrap{grid-template-columns:1fr;gap:26px}.hero-side{border-left:0;border-top:1px solid var(--line);padding:18px 0 0}.section{padding:58px 0}.section-title{align-items:flex-start;flex-direction:column;gap:10px}.card-grid{grid-template-columns:1fr 1fr}.explorer{grid-template-columns:1fr}.explorer-left{padding:30px 24px}.explorer-center{min-height:340px;order:2}.explorer-right{order:3}.explorer-left{order:1}.editor-picks{grid-template-columns:repeat(2,1fr)}.map-mag{grid-template-columns:1fr 1fr}.map-mag article:first-child{grid-column:span 2;grid-row:auto;min-height:360px}.plan-board{grid-template-columns:1fr 1fr}.life-rows{grid-template-columns:1fr}.life-rows article:nth-child(3n+1){grid-column:auto}.question-list article{grid-template-columns:1fr;gap:10px}.story-grid{grid-template-columns:1fr}.mag-wall{columns:2 230px}.feature-row{grid-template-columns:100px 1fr}.feature-row>div:last-child{grid-column:2}.handbook-grid{grid-template-columns:1fr 1fr}.app-showcase{grid-template-columns:1fr}.safety-grid,.privacy-list{grid-template-columns:1fr 1fr}.footer-brand{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr}.city-lead{grid-template-columns:1fr}.interest-sections article{grid-template-columns:120px 1fr}.interest-sections article>div:last-child{grid-column:2}.voice-layout{grid-template-columns:1fr}.voice-sidebar{position:static}.catalog-grid{grid-template-columns:1fr 1fr}.chapter-index{grid-template-columns:1fr 1fr}.chapter{grid-template-columns:100px 1fr}.manual-entry{grid-template-columns:70px 1fr}.manual-entry>div:last-child{grid-column:2}.rules-layout{grid-template-columns:1fr}.rules-nav{position:static;display:flex;overflow-x:auto;gap:18px;white-space:nowrap}.feedback-flow{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.wrap,.narrow{width:calc(100% - 30px)}.section{padding:48px 0}.page-hero{padding-top:45px}.page-hero h1{font-size:42px}.page-hero p{font-size:15px}.content-index{padding-left:15px;padding-right:15px}.overlay-head h2{font-size:20px}.search-content{grid-template-columns:1fr}.search-box{height:52px}.editor-picks{grid-template-columns:1fr}.editor-picks article{min-height:auto}.map-mag{grid-template-columns:1fr}.map-mag article:first-child{grid-column:auto;min-height:300px}.plan-board{grid-template-columns:1fr}.life-rows article{padding:22px}.travel-line{grid-template-columns:62px 1fr}.travel-node{width:52px;height:52px;flex-basis:52px;font-size:10px}.tag-wall{padding:20px 5px}.question-list article{padding:22px 0}.short-stories{grid-template-columns:1fr}.mag-wall{columns:1}.feature-row{grid-template-columns:1fr;gap:10px}.feature-row>div:last-child{grid-column:auto}.handbook-grid{grid-template-columns:1fr}.handbook-grid article:first-child{grid-column:auto}.folder-grid{grid-template-columns:1fr}.bulletin-row{grid-template-columns:1fr;gap:7px}.principles{grid-template-columns:1fr}.app-points{grid-template-columns:1fr}.safety-grid,.privacy-list{grid-template-columns:1fr}.privacy-box{padding:22px}.footer-inner{padding-left:15px;padding-right:15px}.footer-groups{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.horizontal-index{margin-right:-15px}.day-board{grid-template-columns:1fr}.day-marker{position:static}.day-items{grid-template-columns:1fr}.journey-timeline{padding-left:66px}.journey-timeline:before{left:25px}.journey-step:before{left:-66px;width:51px;height:34px}.interest-sections article{grid-template-columns:1fr}.interest-sections article>div:last-child{grid-column:auto}.qa-entry{grid-template-columns:1fr;gap:12px}.catalog-grid{grid-template-columns:1fr}.catalog-grid article:nth-child(5n+1){grid-column:auto}.spotlight-cover{padding:58px 0}.spotlight-cover h1{font-size:50px}.chapter-index{grid-template-columns:1fr}.chapter{grid-template-columns:1fr;gap:10px}.manual-entry{grid-template-columns:1fr;gap:10px}.manual-entry>div:last-child{grid-column:auto}.collection-shelf{grid-template-columns:1fr}.community-values{grid-template-columns:1fr}.risk-matrix{grid-template-columns:1fr}.privacy-matrix{grid-template-columns:1fr}.help-grid{grid-template-columns:1fr}.feedback-flow{grid-template-columns:1fr}.contact-paths{grid-template-columns:1fr}.about-axis{grid-template-columns:1fr;gap:8px}.explorer-center{min-height:280px}.banner-fallback{min-height:280px}.banner-fallback span{font-size:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}