:root{
 --bg:#FFFFFF;--bg-2:#F7FAFE;--bg-blue:#EDF5FF;--bg-blue-2:#E3F0FF;--bg-gray:#F4F6F9;
 --title:#17243A;--text:#3C495D;--muted:#6E7988;--soft:#99A2AF;
 --blue:#1478F2;--blue-bright:#348FFF;--blue-deep:#0765D4;--blue-dark:#094D9E;--blue-soft:#DCEBFF;
 --white:#FFFFFF;--footer:#091E39;--footer-text:#E9F3FF;
 --border:rgba(20,120,242,.12);--neutral-border:rgba(20,40,70,.08);
 --shadow:0 14px 38px rgba(35,72,118,.08);--brand-shadow:0 16px 44px rgba(20,120,242,.14);
 --gradient:linear-gradient(135deg,#43A0FF 0%,#1478F2 56%,#0964CE 100%);
 --radius:16px;--shell:1320px;--header-h:72px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
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.panel-open{overflow:hidden}
a{color:inherit;text-decoration:none}
a,button,input,summary{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%;height:auto}
svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
section,article,aside,nav,header,footer,main{min-width:0}
:focus-visible{outline:3px solid rgba(20,120,242,.36);outline-offset:3px;border-radius:7px}
.skip-link{position:fixed;left:16px;top:-80px;z-index:200;background:var(--blue);color:white;padding:10px 14px;border-radius:8px}.skip-link:focus{top:10px}
.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}
.shell{width:min(calc(100% - 40px),var(--shell));margin-inline:auto}
.site-header{position:fixed;inset:0 0 auto;z-index:100;height:var(--header-h);background:rgba(255,255,255,.96);border-bottom:1px solid var(--neutral-border);backdrop-filter:blur(14px)}
.desktop-nav{height:100%;display:flex;align-items:center;gap:22px}
.brand{display:inline-flex;align-items:center;min-height:44px;flex:0 0 auto}.brand-media{display:flex;align-items:center}.brand-logo{width:auto;height:40px;max-width:178px;object-fit:contain}.brand-fallback{display:flex;align-items:center;gap:10px;background:var(--blue);color:white;padding:7px 11px;border-radius:8px;line-height:1}.brand-fallback strong{font-size:17px;letter-spacing:.04em}.brand-fallback small{font-size:7px;letter-spacing:.11em;opacity:.86;max-width:62px;line-height:1.2}
.primary-nav{display:flex;align-items:center;gap:2px;white-space:nowrap;min-width:0}.primary-nav a,.nav-text-link{position:relative;display:flex;align-items:center;min-height:44px;padding:0 10px;border-radius:10px;color:#46556b;font-size:14px;font-weight:650}.primary-nav a:hover,.nav-text-link:hover{background:var(--bg-blue);color:var(--blue)}.primary-nav a.is-current,.nav-text-link.is-current{color:var(--blue)}.primary-nav a.is-current:after,.nav-text-link.is-current:after{content:"";position:absolute;bottom:3px;left:50%;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:var(--blue);pointer-events:none}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:2px;white-space:nowrap}.icon-button{display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:11px;background:transparent;color:var(--title)}.icon-button:hover{background:var(--bg-blue);color:var(--blue)}.grid-icon{stroke-width:0;fill:currentColor}
.mobile-nav{display:none;height:100%;align-items:center;justify-content:space-between;padding:0 15px}.mobile-brand{display:flex;align-items:center;justify-content:center;min-width:0;max-width:190px}.mobile-logo{height:38px;width:auto;max-width:178px;object-fit:contain}.mobile-brand>span{display:flex;flex-direction:column;align-items:center;line-height:1.03}.mobile-brand strong{color:var(--blue);font-size:17px}.mobile-brand small{font-size:7px;letter-spacing:.12em;color:var(--muted);margin-top:3px}
.site-main{padding-top:var(--header-h);min-height:70vh}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:800;letter-spacing:.14em;font-size:12px;text-transform:uppercase}.eyebrow:before{content:"";width:20px;height:2px;background:var(--blue);pointer-events:none}
h1,h2,h3,h4{color:var(--title);line-height:1.2;margin-top:0}h1{font-size:clamp(34px,5vw,66px);letter-spacing:-.045em;margin-bottom:22px}h2{font-size:clamp(25px,3vw,40px);letter-spacing:-.025em;margin-bottom:16px}h3{font-size:19px;margin-bottom:10px}p{margin:0 0 1em}.lead{font-size:clamp(17px,1.5vw,20px);color:var(--muted);max-width:760px}.muted{color:var(--muted)}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:12px;background:var(--gradient);color:white;font-weight:750;box-shadow:0 10px 24px rgba(20,120,242,.18);white-space:nowrap}.button:hover{transform:translateY(-1px);box-shadow:var(--brand-shadow)}.text-link{display:inline-flex;align-items:center;min-height:44px;color:var(--blue);font-weight:750}.text-link:after{content:"→";margin-left:7px;transition:transform .2s ease;pointer-events:none}.text-link:hover:after{transform:translateX(3px)}
.section{padding:88px 0}.section-sm{padding:56px 0}.section-blue{background:var(--bg-blue)}.section-soft{background:var(--bg-2)}.section-gray{background:var(--bg-gray)}.section-dark{background:var(--footer);color:var(--footer-text)}.section-dark h2,.section-dark h3,.section-dark .lead{color:white}.section-dark .eyebrow{color:#73b8ff}.section-dark .eyebrow:before{background:#73b8ff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}.section-head>div{max-width:800px}.section-kicker{color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.08em;margin-bottom:8px}
.page-lead{position:relative;overflow:hidden;padding:92px 0 68px;background:linear-gradient(180deg,var(--bg-blue) 0%,#fff 100%)}.page-lead:after{content:"";position:absolute;width:360px;height:360px;right:-120px;top:-150px;border:1px solid rgba(20,120,242,.16);border-radius:50%;box-shadow:0 0 0 60px rgba(20,120,242,.025),0 0 0 120px rgba(20,120,242,.02);pointer-events:none}.page-lead .shell{position:relative;z-index:1}.page-lead h1{max-width:890px}.page-lead .lead{margin-bottom:0}.crumb{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:22px}.crumb a{color:var(--blue)}
.sub-index{border-bottom:1px solid var(--neutral-border);background:white}.sub-index .shell{display:flex;gap:8px;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:none;padding-top:9px;padding-bottom:9px}.sub-index .shell::-webkit-scrollbar{display:none}.sub-index a{flex:0 0 auto;min-height:40px;display:flex;align-items:center;padding:0 12px;border-radius:9px;color:var(--muted);font-size:14px}.sub-index a:hover,.sub-index a.is-current{color:var(--blue);background:var(--bg-blue)}.sub-index a.is-current:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--blue);margin-right:7px;pointer-events:none}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:white;border:1px solid var(--neutral-border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}.card.soft{background:var(--bg-2);box-shadow:none}.card.blue{background:var(--bg-blue);border-color:var(--border);box-shadow:none}.card .num{display:block;color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.15em;margin-bottom:28px}.card p:last-child{margin-bottom:0}
.editorial-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.editorial-grid>.wide{grid-column:span 7}.editorial-grid>.mid{grid-column:span 5}.editorial-grid>.third{grid-column:span 4}.editorial-grid>.half{grid-column:span 6}.editorial-grid>.full{grid-column:1/-1}
.number-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--neutral-border);border:1px solid var(--neutral-border);border-radius:18px;overflow:hidden}.number-item{background:white;padding:30px;display:grid;grid-template-columns:70px 1fr;gap:18px}.number-item .big-num{font-size:35px;font-weight:900;color:var(--blue);line-height:1}.number-item h3{font-size:24px}.number-item p{color:var(--muted)}
.quote-block{border-left:4px solid var(--blue);padding:24px 28px;background:var(--bg-blue);border-radius:0 15px 15px 0;font-size:18px;color:var(--title)}
.notice{padding:18px 20px;border-radius:12px;background:var(--bg-blue);border:1px solid var(--border)}
.pill{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border-radius:999px;background:var(--bg-blue);color:var(--blue);font-size:12px;font-weight:800}
.line-list{display:grid;border-top:1px solid var(--neutral-border)}.line-list article{display:grid;grid-template-columns:minmax(160px,.8fr) 1.7fr auto;gap:26px;align-items:start;padding:24px 0;border-bottom:1px solid var(--neutral-border)}.line-list p{margin:0;color:var(--muted)}
/* 首页 */
.explorer-hero{padding:48px 0 42px;background:linear-gradient(180deg,#f8fbff,#fff)}.explorer-grid{display:grid;grid-template-columns:28fr 47fr 25fr;gap:18px;align-items:stretch}.explorer-left,.explorer-center,.explorer-right{border-radius:18px;min-width:0}.explorer-left{background:var(--bg-blue);padding:34px;display:flex;flex-direction:column}.explorer-left h1{font-size:clamp(34px,3.7vw,55px)}.explorer-left .brand-name{font-size:14px;color:var(--blue);font-weight:850;letter-spacing:.06em;margin-bottom:18px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0 36px}.hero-minilinks{margin-top:auto;border-top:1px solid var(--border);padding-top:18px;display:grid;gap:8px}.hero-minilinks a{color:var(--blue);font-weight:700}.explorer-center{position:relative;overflow:hidden;min-height:540px;background:linear-gradient(145deg,#0b5fc5,#53a8ff);box-shadow:var(--brand-shadow)}.explorer-center img{width:100%;height:100%;object-fit:contain;background:#eef6ff}.brand-canvas{height:100%;min-height:540px;display:flex;flex-direction:column;justify-content:flex-end;padding:38px;color:white;position:relative;overflow:hidden}.brand-canvas:before{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(255,255,255,.35);border-radius:50%;top:-120px;right:-90px;box-shadow:0 0 0 60px rgba(255,255,255,.06),0 0 0 120px rgba(255,255,255,.04);pointer-events:none}.brand-canvas .map-dots{position:absolute;inset:24px;background-image:radial-gradient(rgba(255,255,255,.33) 1px,transparent 1px);background-size:24px 24px;opacity:.45;pointer-events:none}.brand-canvas strong{position:relative;font-size:clamp(42px,6vw,78px);line-height:.92;letter-spacing:-.055em}.brand-canvas span{position:relative;letter-spacing:.14em;margin-top:14px}.explorer-right{border:1px solid var(--neutral-border);overflow:hidden;background:white}.discover-item{padding:24px;border-bottom:1px solid var(--neutral-border)}.discover-item:last-child{border-bottom:0}.discover-item small{color:var(--blue);font-weight:850}.discover-item h2{font-size:19px;margin:6px 0 8px}.discover-item p{font-size:14px;color:var(--muted);margin:0 0 4px}
.home-index{border-top:1px solid var(--neutral-border);border-bottom:1px solid var(--neutral-border);background:#fff}.home-index .shell{display:flex;overflow-x:auto;gap:2px;scrollbar-width:none}.home-index .shell::-webkit-scrollbar{display:none}.home-index a{flex:0 0 auto;display:flex;align-items:center;min-height:52px;padding:0 16px;color:var(--muted);font-size:14px}.home-index a:hover{color:var(--blue);background:var(--bg-2)}.home-index a:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--blue-soft);margin-right:8px}.home-index a:first-child:before{background:var(--blue)}
.map-magazine{position:relative}.map-magazine:before{content:"";position:absolute;inset:28px auto auto 2%;width:44%;height:70%;background-image:linear-gradient(rgba(20,120,242,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(20,120,242,.05) 1px,transparent 1px);background-size:28px 28px;pointer-events:none}.map-card{position:relative;overflow:hidden;background:white;border:1px solid var(--border);border-radius:18px;padding:28px;min-height:220px}.map-card.large{min-height:390px;background:linear-gradient(145deg,#0b66d0,#60b0ff);color:white}.map-card.large h3,.map-card.large p{color:white}.map-card .coord{font-size:11px;letter-spacing:.16em;color:var(--blue);font-weight:850}.map-card.large .coord{color:#d9edff}.coastline{position:absolute;right:-70px;bottom:-90px;width:260px;height:260px;border:1px solid currentColor;border-radius:46% 54% 57% 43%;opacity:.16;transform:rotate(25deg);pointer-events:none}
.plan-board{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.plan-col{background:white;border-top:4px solid var(--blue);border-radius:4px 4px 15px 15px;padding:22px;border-inline:1px solid var(--neutral-border);border-bottom:1px solid var(--neutral-border)}.plan-col>span{color:var(--blue);font-weight:900;font-size:12px;letter-spacing:.13em}.plan-col article{padding:17px 0;border-bottom:1px dashed rgba(20,40,70,.14)}.plan-col article:last-child{border:0;padding-bottom:0}.plan-col h3{font-size:17px}.plan-col p{font-size:14px;color:var(--muted);margin:0}
.timeline{position:relative;display:grid;gap:0}.timeline:before{content:"";position:absolute;left:39px;top:0;bottom:0;width:1px;background:var(--border);pointer-events:none}.timeline article{display:grid;grid-template-columns:80px 1fr;gap:24px;padding:0 0 38px;position:relative}.timeline .node{position:relative;z-index:1;width:80px;height:42px;display:grid;place-items:center;background:white;border:1px solid var(--border);border-radius:999px;color:var(--blue);font-weight:900}.timeline .entry{padding:0 0 8px}.timeline .entry p{color:var(--muted)}
.tag-wall{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.tag-wall a{display:flex;align-items:center;justify-content:center;min-height:52px;padding:0 21px;border:1px solid var(--border);background:white;border-radius:999px;color:var(--title);font-weight:750}.tag-wall a:nth-child(3n+1){font-size:21px;min-height:68px;padding-inline:30px;background:var(--bg-blue)}.tag-wall a:nth-child(4n){font-size:15px;border-radius:12px}.tag-wall a:hover{background:var(--blue);color:white}
.story-feature{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}.story-main{padding:38px;background:var(--bg-blue);border-radius:18px}.story-main h2{font-size:clamp(28px,3.4vw,46px)}.story-stack{display:grid;gap:12px}.story-stack article{padding:20px;background:white;border:1px solid var(--neutral-border);border-radius:12px}.story-stack h3{font-size:16px;margin:0 0 6px}.story-stack p{font-size:13px;color:var(--muted);margin:0}
.catalog-wall{columns:3 260px;column-gap:18px}.catalog-wall article{break-inside:avoid;margin:0 0 18px;padding:26px;border:1px solid var(--neutral-border);border-radius:16px;background:white}.catalog-wall article:nth-child(3n+1){background:var(--bg-blue);padding-block:38px}.catalog-wall .mark{font-size:12px;color:var(--blue);font-weight:900;letter-spacing:.13em}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.feature{padding:34px;border-radius:18px;background:white;border:1px solid var(--neutral-border)}.feature .feature-no{font-size:12px;color:var(--blue);font-weight:900;letter-spacing:.16em}.feature h3{font-size:27px;margin-top:18px}.feature ul{padding-left:18px;color:var(--muted)}
.folder-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.folder-grid article,.folder-shelf article{position:relative;margin-top:16px;background:#fff;border:1px solid var(--border);border-radius:5px 15px 15px 15px;padding:25px}.folder-grid article:before,.folder-shelf article:before{content:"";position:absolute;left:-1px;top:-13px;width:42%;height:14px;background:var(--blue-soft);border:1px solid var(--border);border-bottom:0;border-radius:8px 8px 0 0;pointer-events:none}.folder-grid .scene,.folder-shelf .scene{display:block;color:var(--blue);font-size:12px;font-weight:850;margin-top:18px}
.bulletin-list{display:grid;border:1px solid var(--neutral-border);border-radius:16px;overflow:hidden}.bulletin-row{display:grid;grid-template-columns:130px 1fr auto;gap:24px;align-items:start;padding:22px 24px;background:white;border-bottom:1px solid var(--neutral-border)}.bulletin-row:last-child{border-bottom:0}.bulletin-row h3{font-size:17px;margin:0}.bulletin-row p{margin:0;color:var(--muted)}
.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.principle{padding:28px;background:white;border:1px solid var(--neutral-border);border-radius:16px}.principle .sign{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--blue);color:white;font-weight:900;margin-bottom:20px}
.app-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:center}.app-visual{min-height:430px;background:linear-gradient(145deg,#0d6edc,#6cb9ff);border-radius:28px;padding:34px;box-shadow:var(--brand-shadow);display:grid;place-items:center}.app-visual img{max-height:470px;object-fit:contain}.app-fallback{text-align:center;color:white}.app-fallback .app-icon{width:90px;height:90px;margin:0 auto 22px;border-radius:23px;background:white;color:var(--blue);display:grid;place-items:center;font-size:32px;font-weight:900}.app-fallback strong{font-size:38px;display:block}.app-fallback small{letter-spacing:.16em}.app-features{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:26px}.app-features article{padding:20px;border-radius:14px;background:var(--bg-2);border:1px solid var(--neutral-border)}
.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-top:28px}.safety-grid article{padding:20px;border:1px solid rgba(255,255,255,.16);border-radius:14px;background:rgba(255,255,255,.05)}.safety-grid h3{color:white;font-size:16px}.safety-grid p{color:#cfe4fb;font-size:14px;margin:0}.privacy-box{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;padding:34px;border:2px solid var(--border);border-radius:18px;background:white}.privacy-tags{display:flex;flex-wrap:wrap;gap:9px;align-content:start}.privacy-tags span{padding:9px 12px;border-radius:9px;background:var(--bg-blue);color:var(--blue);font-weight:750;font-size:14px}
.brand-statement{padding:70px 0;background:linear-gradient(135deg,#e8f3ff,#fff 48%,#dcecff);position:relative;overflow:hidden}.brand-statement .shell{max-width:1000px}.brand-statement h2{font-size:clamp(34px,5vw,61px)}
/* 内页差异化 */
.city-index{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}.city-index a{display:inline-flex;min-height:42px;align-items:center;padding:0 13px;border-radius:10px;background:white;border:1px solid var(--border);color:var(--blue);font-weight:700}
.city-spread{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.city-spread .main-story{padding:36px;background:var(--bg-blue);border-radius:18px}.city-spread aside{display:grid;gap:14px}.city-spread aside article{padding:22px;border:1px solid var(--neutral-border);border-radius:14px}
.day-board{display:grid;grid-template-columns:110px 1fr;gap:18px;border-bottom:1px solid var(--neutral-border);padding:28px 0}.day-board>strong{font-size:20px;color:var(--blue)}.day-board .ideas{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.day-board article{padding:22px;border-radius:14px;background:var(--bg-2)}
.longform{max-width:920px}.longform h2{margin-top:54px}.longform h3{margin-top:30px}.longform p{font-size:17px}.longform .pull{font-size:24px;line-height:1.55;color:var(--title);padding:30px 0;border-block:1px solid var(--border);margin:38px 0}
.hobby-map{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.hobby-tile{min-height:190px;padding:21px;border:1px solid var(--border);background:white;border-radius:16px;display:flex;flex-direction:column}.hobby-tile:nth-child(3n+1){background:var(--bg-blue)}.hobby-tile h2{font-size:21px}.hobby-tile p{font-size:13px;color:var(--muted)}.hobby-tile a{margin-top:auto;color:var(--blue);font-weight:750;min-height:44px;display:flex;align-items:end}
.qa-list{display:grid;gap:18px}.qa{display:grid;grid-template-columns:minmax(250px,.8fr) 1.4fr;gap:30px;padding:30px 0;border-bottom:1px solid var(--neutral-border)}.qa .qmark{font-size:12px;color:var(--blue);font-weight:900;letter-spacing:.13em}.qa h2{font-size:26px}.qa .answer{color:var(--muted)}
.voice-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(240px,.7fr);gap:34px}.voice-article{max-width:760px}.voice-article p{font-size:17px}.voice-side{border-left:1px solid var(--neutral-border);padding-left:25px}.voice-side article{padding:18px 0;border-bottom:1px solid var(--neutral-border)}
.inspiration-wall{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}.inspiration-wall article{grid-column:span 4;padding:26px;background:white;border:1px solid var(--neutral-border);border-radius:15px}.inspiration-wall article:nth-child(5n+1){grid-column:span 7;background:var(--bg-blue)}.inspiration-wall article:nth-child(5n+2){grid-column:span 5}.inspiration-wall .code{color:var(--blue);font-weight:900;font-size:12px;letter-spacing:.13em}
.feature-cover{display:grid;grid-template-columns:.75fr 1.25fr;gap:32px;align-items:end;padding:70px 0}.feature-cover .feature-index{display:grid;gap:8px}.feature-cover .feature-index a{padding:12px 0;border-bottom:1px solid var(--neutral-border);color:var(--muted)}.feature-cover .feature-index a:hover{color:var(--blue)}
.handbook-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.handbook-item{padding:28px;border-radius:15px;border:1px solid var(--neutral-border);background:white}.handbook-item .step{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--blue);color:white;font-weight:900;font-size:12px;margin-bottom:20px}.handbook-item p{color:var(--muted)}
.folder-shelf{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.value-road{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.value-road article{padding:30px;border-right:1px solid var(--border)}.value-road article:last-child{border-right:0}.value-road strong{font-size:12px;color:var(--blue);letter-spacing:.12em}
.install-steps{counter-reset:install;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.install-steps article{counter-increment:install;padding:25px;border:1px solid var(--neutral-border);border-radius:15px}.install-steps article:before{content:"0" counter(install);display:block;color:var(--blue);font-weight:900;letter-spacing:.13em;margin-bottom:20px;pointer-events:none}
.risk-table{display:grid;gap:1px;background:var(--neutral-border);border:1px solid var(--neutral-border);border-radius:16px;overflow:hidden}.risk-row{display:grid;grid-template-columns:.55fr 1fr 1fr;gap:24px;padding:22px;background:white}.risk-row strong{color:var(--title)}.risk-row p{margin:0;color:var(--muted)}
.privacy-categories{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.privacy-cat{padding:28px;border:1px solid var(--border);border-radius:16px;background:white}.privacy-cat ul{margin:12px 0 0;padding-left:20px;color:var(--muted)}
.guideline-chapters{counter-reset:chapter}.guideline-chapters article{counter-increment:chapter;display:grid;grid-template-columns:110px 1fr;gap:26px;padding:34px 0;border-bottom:1px solid var(--neutral-border)}.guideline-chapters article:before{content:"CH." counter(chapter,decimal-leading-zero);font-size:12px;color:var(--blue);font-weight:900;letter-spacing:.13em;pointer-events:none}
.help-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.help-nav a{min-height:105px;padding:20px;border-radius:14px;background:var(--bg-blue);border:1px solid var(--border);display:flex;flex-direction:column;justify-content:space-between;font-weight:800;color:var(--title)}.help-nav a span{font-size:12px;color:var(--blue)}
.faq-list{max-width:980px}.faq-list details{border-bottom:1px solid var(--neutral-border);padding:0}.faq-list summary{list-style:none;cursor:pointer;padding:24px 46px 24px 0;font-weight:800;color:var(--title);position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:6px;top:20px;color:var(--blue);font-size:24px;pointer-events:none}.faq-list details[open] summary:after{content:"−"}.faq-list details p{padding:0 45px 24px 0;color:var(--muted)}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:process}.process article{counter-increment:process;padding:24px;border-radius:15px;background:var(--bg-2)}.process article:before{content:"0" counter(process);display:block;color:var(--blue);font-weight:900;margin-bottom:16px;pointer-events:none}
.contact-paths{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.contact-paths article{padding:27px;border:1px solid var(--neutral-border);border-radius:15px}.contact-paths p{color:var(--muted)}
.about-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:38px}.about-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.about-points article{padding:24px;background:var(--bg-blue);border-radius:15px}.about-points p{font-size:14px;color:var(--muted)}
/* 弹层 */
.site-overlay{position:fixed;inset:var(--header-h) 0 0;z-index:95;background:rgba(9,30,57,.34);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}.site-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.explore-panel,.search-panel{position:fixed;z-index:98;left:0;right:0;top:var(--header-h);background:white;box-shadow:0 20px 60px rgba(9,30,57,.16);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-12px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease;max-height:85vh;overflow-y:auto}.explore-panel.is-open,.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:none}
.panel-head{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:76px;border-bottom:1px solid var(--neutral-border)}.panel-head .panel-title{text-align:center;font-size:19px;color:var(--title)}.panel-head .panel-close{justify-self:end}.panel-close{min-height:44px;padding:0 15px;border:1px solid var(--neutral-border);border-radius:10px;background:white;color:var(--title)}.panel-close:hover{background:var(--bg-blue);color:var(--blue)}
.explore-groups{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;padding-top:28px;padding-bottom:34px}.explore-groups h2{font-size:14px;color:var(--blue);letter-spacing:.04em}.explore-groups section>a{display:block;padding:13px 0;border-bottom:1px solid var(--neutral-border)}.explore-groups strong{display:block;color:var(--title);font-size:14px}.explore-groups span{display:block;margin-top:4px;color:var(--muted);font-size:12px;line-height:1.5}
.search-panel{padding:32px 0 40px}.search-top{display:flex;align-items:center;justify-content:space-between}.search-top h2{margin:5px 0 18px}.search-box{height:58px;border:2px solid var(--border);border-radius:14px;display:flex;align-items:center;gap:12px;padding:0 17px;background:var(--bg-2)}.search-box svg{color:var(--blue);flex:0 0 auto}.search-box input{border:0;outline:0;background:transparent;min-width:0;width:100%;color:var(--title);font-size:17px}.search-note{font-size:13px;color:var(--muted);margin:9px 0 22px}.search-layout{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.search-layout h3{font-size:14px;color:var(--blue)}.search-layout a{display:flex;min-height:39px;align-items:center;border-bottom:1px solid var(--neutral-border);font-size:14px}.search-layout a:hover{color:var(--blue)}.search-layout a[hidden]{display:none!important}
/* 页脚 */
.site-footer{background:var(--footer);color:var(--footer-text);padding:64px 0 32px}.footer-grid{display:grid;grid-template-columns:1.7fr repeat(4,1fr);gap:36px}.footer-brand p{max-width:400px;color:#aec5df;font-size:14px;margin-top:22px}.footer-logo{width:auto;height:44px;max-width:190px;object-fit:contain}.footer-brandmark{display:inline-flex;flex-direction:column;background:var(--blue);padding:8px 12px;border-radius:8px;color:white;line-height:1}.footer-brandmark small{font-size:7px;letter-spacing:.13em;margin-top:5px}.footer-grid nav h2{font-size:14px;color:white;margin-bottom:14px}.footer-grid nav a{display:flex;align-items:center;min-height:35px;color:#aec5df;font-size:13px}.footer-grid nav a:hover{color:white}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding-top:22px;display:flex;justify-content:space-between;gap:40px}.footer-bottom p{font-size:12px;color:#8faccc;max-width:760px;margin:0}.mobile-bottom{display:none}
@media (max-width:1180px){.primary-nav a{padding-inline:7px;font-size:13px}.desktop-nav{gap:12px}.nav-text-link{padding-inline:7px}.footer-grid{grid-template-columns:1.5fr repeat(2,1fr)}.footer-brand{grid-row:span 2}.explore-groups{grid-template-columns:repeat(3,1fr)}.hobby-map{grid-template-columns:repeat(3,1fr)}.folder-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:940px){:root{--header-h:64px}.desktop-nav{display:none}.mobile-nav{display:flex}.site-main{padding-top:var(--header-h)}.shell{width:min(calc(100% - 30px),var(--shell))}.section{padding:64px 0}.section-sm{padding:46px 0}.page-lead{padding:68px 0 52px}.explorer-grid{grid-template-columns:1fr}.explorer-left{order:1}.explorer-center{order:2;min-height:420px}.explorer-right{order:3;display:grid;grid-template-columns:repeat(2,1fr)}.discover-item:nth-child(odd){border-right:1px solid var(--neutral-border)}.number-list{grid-template-columns:1fr}.plan-board{grid-template-columns:repeat(2,1fr)}.editorial-grid>.wide,.editorial-grid>.mid,.editorial-grid>.third{grid-column:span 6}.folder-grid{grid-template-columns:repeat(2,1fr)}.principle-grid{grid-template-columns:repeat(2,1fr)}.app-panel{grid-template-columns:1fr}.privacy-box{grid-template-columns:1fr}.city-spread,.story-feature,.voice-layout,.about-grid{grid-template-columns:1fr}.voice-side{border-left:0;padding-left:0;border-top:1px solid var(--neutral-border)}.inspiration-wall article,.inspiration-wall article:nth-child(5n+1),.inspiration-wall article:nth-child(5n+2){grid-column:span 6}.feature-cover{grid-template-columns:1fr}.value-road{grid-template-columns:repeat(2,1fr)}.value-road article:nth-child(2){border-right:0}.value-road article:nth-child(-n+2){border-bottom:1px solid var(--border)}.install-steps{grid-template-columns:1fr}.help-nav{grid-template-columns:repeat(2,1fr)}.explore-panel,.search-panel{top:var(--header-h);bottom:calc(58px + env(safe-area-inset-bottom));max-height:none;height:auto}.explore-groups{grid-template-columns:repeat(2,1fr)}.search-layout{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-column:1/-1;grid-row:auto}.mobile-bottom{position:fixed;z-index:89;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);height:calc(58px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.97);border-top:1px solid var(--neutral-border);box-shadow:0 -8px 24px rgba(35,72,118,.06)}.mobile-bottom a{display:flex;min-width:0;min-height:48px;align-items:center;justify-content:center;flex-direction:column;color:var(--muted);font-size:10px;line-height:1.1}.mobile-bottom a span{font-size:18px;margin-bottom:3px}.mobile-bottom a strong{font-weight:650}.mobile-bottom a.is-current{color:var(--blue)}body{padding-bottom:calc(58px + env(safe-area-inset-bottom))}.site-overlay{inset:var(--header-h) 0 calc(58px + env(safe-area-inset-bottom))}.search-panel{bottom:0;z-index:102}.search-panel+.site-footer{position:relative}.site-footer{margin-bottom:0}}
@media (max-width:680px){h1{font-size:clamp(32px,11vw,48px)}h2{font-size:28px}.lead{font-size:16px}.section{padding:52px 0}.section-head{align-items:start;flex-direction:column;gap:10px}.explorer-hero{padding-top:24px}.explorer-left{padding:25px}.explorer-left h1{font-size:38px}.explorer-center,.brand-canvas{min-height:330px}.brand-canvas{padding:25px}.explorer-right{grid-template-columns:1fr}.discover-item:nth-child(odd){border-right:0}.number-item{grid-template-columns:52px 1fr;padding:24px}.number-item .big-num{font-size:27px}.number-item h3{font-size:20px}.editorial-grid{gap:12px}.editorial-grid>.wide,.editorial-grid>.mid,.editorial-grid>.third,.editorial-grid>.half{grid-column:1/-1}.plan-board{grid-template-columns:1fr}.timeline:before{left:30px}.timeline article{grid-template-columns:61px 1fr;gap:16px}.timeline .node{width:61px;height:38px;font-size:12px}.catalog-wall{columns:1}.feature-grid{grid-template-columns:1fr}.folder-grid,.folder-shelf{grid-template-columns:1fr}.principle-grid{grid-template-columns:1fr}.app-visual{min-height:330px;padding:22px}.app-features{grid-template-columns:1fr}.safety-grid{grid-template-columns:1fr}.city-spread .main-story{padding:26px}.day-board{grid-template-columns:1fr}.day-board .ideas{grid-template-columns:1fr}.hobby-map{grid-template-columns:repeat(2,1fr)}.hobby-tile{min-height:170px}.qa{grid-template-columns:1fr;gap:10px}.inspiration-wall article,.inspiration-wall article:nth-child(5n+1),.inspiration-wall article:nth-child(5n+2){grid-column:1/-1}.handbook-list{grid-template-columns:1fr}.value-road{grid-template-columns:1fr}.value-road article{border-right:0;border-bottom:1px solid var(--border)}.value-road article:last-child{border-bottom:0}.risk-row{grid-template-columns:1fr;gap:8px}.privacy-categories{grid-template-columns:1fr}.guideline-chapters article{grid-template-columns:1fr;gap:9px}.help-nav{grid-template-columns:1fr}.process{grid-template-columns:1fr}.contact-paths{grid-template-columns:1fr}.about-points{grid-template-columns:1fr}.panel-head{grid-template-columns:1fr auto}.panel-head .brand{display:none}.panel-head .panel-title{text-align:left}.explore-groups{grid-template-columns:1fr;gap:14px}.search-layout{grid-template-columns:1fr;gap:16px}.search-panel{padding-top:18px}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:16px}.explore-panel{bottom:calc(58px + env(safe-area-inset-bottom));max-height:calc(100vh - var(--header-h) - 58px - env(safe-area-inset-bottom));}.search-panel{bottom:0;max-height:calc(100vh - var(--header-h));}.site-overlay{bottom:0}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}