:root{--blue:#1478F2;--blue2:#2F8CFF;--blue3:#075DC9;--navy:#0B1F38;--ink:#172033;--text:#3E4859;--muted:#6F7A89;--soft:#98A1AF;--line:rgba(20,120,242,.12);--grayline:rgba(30,50,70,.08);--bg:#fff;--bg2:#F7FAFF;--pale:#EDF5FF;--gray:#F5F6F8;--shadow:0 14px 38px rgba(21,67,118,.08);--blue-shadow:0 16px 42px rgba(20,120,242,.15);--radius:18px;--max:1280px;--navh:74px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.72;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}a,button,input,summary{outline:none}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{box-shadow:0 0 0 3px rgba(20,120,242,.24);border-radius:8px}button,input{font:inherit}.skip-link{position:fixed;left:12px;top:-60px;z-index:999;background:#fff;padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);backdrop-filter:blur(18px);border-bottom:1px solid var(--grayline)}.nav-wrap{height:var(--navh);max-width:var(--max);margin:auto;padding:0 20px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:10px;min-width:240px}.brand-logo{width:116px;max-height:40px;object-fit:contain}.brand-text{font-size:22px;font-weight:800;color:var(--blue)}.brand-tag{font-size:12px;padding:4px 8px;border-radius:999px;background:var(--pale);color:var(--blue3);white-space:nowrap}.main-nav{display:flex;align-items:center;justify-content:center;gap:4px;flex:1;white-space:nowrap}.main-nav a,.nav-action-link{padding:10px 11px;border-radius:10px;font-size:14px;color:#3b4658}.main-nav a:hover,.main-nav a.is-active,.nav-action-link:hover,.nav-action-link.is-active{color:var(--blue);background:var(--pale)}.nav-actions{display:flex;align-items:center;gap:4px;white-space:nowrap}.icon-button,.mobile-nav-btn{border:0;background:transparent;color:var(--ink);min-width:44px;height:44px;cursor:pointer;border-radius:12px}.icon-button:hover,.mobile-nav-btn:hover{background:var(--pale);color:var(--blue)}.action-label{font-size:12px;margin-left:4px}.mobile-nav{display:none}.site-main{min-height:50vh}.container{width:min(calc(100% - 40px),var(--max));margin:0 auto}.section{padding:72px 0}.section.tight{padding:46px 0}.section.alt{background:var(--bg2)}.section.pale{background:var(--pale)}.section.gray{background:var(--gray)}.section-title{margin:0 0 12px;color:var(--ink);font-size:clamp(28px,3.2vw,46px);line-height:1.18;letter-spacing:-.03em}.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase}.section-kicker:before{content:"";width:18px;height:3px;border-radius:9px;background:var(--blue)}.section-intro{max-width:820px;margin:0;color:var(--muted);font-size:17px}.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--blue3);font-weight:700;margin-top:12px}.text-link:after{content:"→";transition:transform .2s}.text-link:hover:after{transform:translateX(3px)}.btn-primary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:14px;background:linear-gradient(135deg,#3A96FF 0%,#1478F2 55%,#0863D3 100%);color:#fff;font-weight:800;box-shadow:var(--blue-shadow)}.btn-primary:hover{transform:translateY(-1px)}.pill{display:inline-flex;padding:5px 9px;border-radius:999px;background:var(--pale);color:var(--blue3);font-size:12px;font-weight:700}.card{background:#fff;border:1px solid var(--grayline);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.card h2,.card h3{color:var(--ink);line-height:1.3}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.link-list{display:grid;gap:10px}.link-list a{padding:12px 14px;border-radius:12px;background:var(--bg2);border:1px solid var(--grayline)}.link-list a:hover{border-color:var(--line);background:var(--pale);color:var(--blue3)}.page-lead{padding:54px 0 24px}.page-lead .lead-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:end}.page-lead h1{margin:8px 0 14px;color:var(--ink);font-size:clamp(38px,5vw,66px);line-height:1.08;letter-spacing:-.04em}.page-lead p{margin:0;max-width:830px;font-size:18px;color:var(--muted)}.lead-aside{padding:22px;border-radius:18px;background:var(--pale);color:#31506f}.channel-strip{border-top:1px solid var(--grayline);border-bottom:1px solid var(--grayline);background:#fff}.channel-scroll{display:flex;gap:10px;overflow:auto;padding:12px 0;scrollbar-width:none}.channel-scroll::-webkit-scrollbar{display:none}.channel-scroll a{flex:0 0 auto;padding:8px 12px;border-radius:999px;color:var(--muted);font-size:14px}.channel-scroll a:before{content:"•";color:var(--blue);margin-right:7px}.channel-scroll a:hover,.channel-scroll a.is-active{background:var(--pale);color:var(--blue3)}
/* 首页 */.editor-hero{padding:44px 0 26px;background:linear-gradient(180deg,#fff 0%,#F7FAFF 100%)}.hero-editor-grid{display:grid;grid-template-columns:.9fr 1.35fr .85fr;gap:20px;align-items:stretch}.hero-panel{border:1px solid var(--grayline);border-radius:22px;background:#fff;padding:26px;box-shadow:var(--shadow)}.hero-panel h1{font-size:clamp(34px,4vw,56px);line-height:1.05;color:var(--ink);margin:14px 0 16px;letter-spacing:-.04em}.hero-panel p{color:var(--muted)}.hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:22px}.hero-banner{min-height:410px;border-radius:24px;overflow:hidden;position:relative;background:linear-gradient(135deg,#1478F2,#6DB5FF);box-shadow:var(--blue-shadow);display:flex;align-items:flex-end}.hero-banner img{width:100%;height:100%;object-fit:contain;background:#eaf4ff}.banner-fallback{padding:34px;color:#fff}.banner-fallback strong{display:block;font-size:38px;line-height:1.1}.banner-fallback span{display:block;max-width:500px;margin-top:12px;opacity:.9}.hero-side{display:grid;gap:12px}.mini-entry{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--grayline)}.mini-entry h2{font-size:18px;margin:0 0 6px;color:var(--ink)}.mini-entry p{font-size:14px;margin:0;color:var(--muted)}.overview-grid{display:grid;grid-template-columns:1.15fr .9fr 1fr .8fr;gap:16px}.overview-item{border-radius:20px;padding:24px;background:#fff;border:1px solid var(--grayline);min-height:210px}.overview-item:nth-child(2),.overview-item:nth-child(4){background:var(--pale)}.overview-item h3{color:var(--ink);font-size:22px;margin:0 0 8px}.discussion-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:22px}.main-topic{padding:34px;border-radius:24px;background:var(--navy);color:#eaf3ff}.main-topic h3{font-size:34px;line-height:1.2;margin:10px 0 16px;color:#fff}.topic-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.topic-item{padding:18px;border:1px solid var(--grayline);border-radius:16px;background:#fff}.topic-item h3{font-size:18px;margin:0 0 6px;color:var(--ink)}.city-map-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;grid-template-areas:"a b c" "a d e" "f d e";gap:18px}.city-tile{min-height:180px;padding:24px;border-radius:20px;background:#fff;border:1px solid var(--grayline)}.city-tile:nth-child(1){grid-area:a;background:var(--pale)}.city-tile:nth-child(2){grid-area:b}.city-tile:nth-child(3){grid-area:c}.city-tile:nth-child(4){grid-area:d}.city-tile:nth-child(5){grid-area:e;background:var(--bg2)}.city-tile:nth-child(6){grid-area:f}.masonry-cards{columns:3 260px;column-gap:18px}.masonry-cards .life-card{break-inside:avoid;margin:0 0 18px;padding:22px;border-radius:20px;background:#fff;border:1px solid var(--grayline)}.route-notes{display:flex;gap:16px;overflow-x:auto;padding-bottom:8px}.route-note{flex:0 0 310px;padding:22px;border-radius:18px;border:1px solid var(--grayline);background:#fff}.route-step{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--pale);color:var(--blue3);font-weight:800}.interest-cloud{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-start}.interest-chip{width:calc(25% - 11px);min-height:150px;padding:20px;border-radius:18px;background:#fff;border:1px solid var(--grayline)}.interest-chip:nth-child(3n+1){transform:translateY(8px)}.qa-index{display:grid;gap:12px}.qa-row{display:grid;grid-template-columns:58px 1fr auto;gap:16px;align-items:start;padding:20px;border:1px solid var(--grayline);border-radius:16px;background:#fff}.qa-mark{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:var(--pale);color:var(--blue3);font-weight:900}.story-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}.story-main{padding:34px;border-radius:24px;background:#fff;border:1px solid var(--grayline)}.story-list{display:grid;gap:14px}.story-list article{padding:20px;border-radius:18px;background:var(--bg2)}.discover-wall{columns:3 280px;column-gap:18px}.discover-wall article{break-inside:avoid;margin-bottom:18px;padding:24px;border-radius:20px;background:#fff;border:1px solid var(--grayline)}.guide-list{display:grid;gap:14px}.guide-row{display:grid;grid-template-columns:170px 1fr auto;gap:22px;align-items:center;padding:20px;border-bottom:1px solid var(--grayline)}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.principle{padding:24px;border-left:4px solid var(--blue);background:#fff;border-radius:0 18px 18px 0;box-shadow:var(--shadow)}.app-feature{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}.app-visual{border-radius:28px;background:var(--pale);padding:26px;min-height:420px;display:grid;place-items:center}.app-visual img{max-width:100%;max-height:440px;object-fit:contain}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}.service-grid div{padding:16px;border-radius:14px;background:var(--bg2)}.security-split{display:grid;grid-template-columns:1fr 1fr;gap:22px}.security-panel{padding:34px;border-radius:24px;background:#fff;border:1px solid var(--grayline)}.security-panel:nth-child(2){transform:translateY(26px);background:var(--pale)}.faq-list{display:grid;gap:10px}.faq-list details{border:1px solid var(--grayline);border-radius:15px;background:#fff;padding:0 18px}.faq-list summary{cursor:pointer;font-weight:800;color:var(--ink);padding:17px 30px 17px 0;position:relative}.faq-list summary:after{content:"+";position:absolute;right:0;color:var(--blue)}.faq-list details[open] summary:after{content:"−"}.faq-list details p{margin:0;padding:0 0 18px;color:var(--muted)}.brand-declaration{padding:54px;border-radius:28px;background:linear-gradient(135deg,#0E5FB8,#1478F2);color:#eaf3ff}.brand-declaration h2{color:#fff;font-size:clamp(32px,4vw,52px);line-height:1.15;margin:0 0 20px}.brand-declaration p{max-width:920px;font-size:18px}
/* 内页差异 */.plaza-board{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.plaza-stream{display:grid;gap:14px}.plaza-entry{padding:20px;border-radius:16px;border:1px solid var(--grayline);background:#fff}.topic-directory{position:sticky;top:94px;align-self:start}.city-index{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.city-index article{display:grid;grid-template-columns:90px 1fr;gap:18px;padding:22px;border-bottom:1px solid var(--grayline)}.city-index strong{color:var(--blue3)}.magazine-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}.magazine-stack{display:grid;gap:18px}.magazine-feature{min-height:350px;padding:34px;border-radius:24px;background:var(--pale)}.travel-journal{display:grid;grid-template-columns:240px 1fr;gap:30px}.travel-steps{position:sticky;top:98px;align-self:start}.travel-steps a{display:block;padding:10px 12px;border-left:2px solid var(--line)}.journal-entry{padding:28px 0;border-bottom:1px solid var(--grayline)}.interest-wall{display:flex;flex-wrap:wrap;gap:10px;padding:24px;border-radius:22px;background:var(--pale)}.interest-wall a{padding:9px 12px;border-radius:999px;background:#fff;color:var(--blue3)}.interest-detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.interest-detail-grid article{padding:24px;border-radius:18px;border:1px solid var(--grayline)}.questions-directory{display:grid;grid-template-columns:260px 1fr;gap:28px}.q-categories{position:sticky;top:96px;align-self:start}.q-categories a{display:block;padding:11px 12px;border-radius:10px}.q-categories a:hover{background:var(--pale)}.q-detail{padding:22px 0;border-bottom:1px solid var(--grayline)}.longread-list article{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:30px 0;border-bottom:1px solid var(--grayline)}.longread-list .label{color:var(--blue);font-weight:800}.topic-hero-card{padding:44px;border-radius:28px;background:var(--navy);color:#eaf3ff}.topic-hero-card h2{font-size:42px;line-height:1.15;color:#fff}.topic-index article{display:grid;grid-template-columns:1fr 180px;gap:24px;padding:28px 0;border-bottom:1px solid var(--grayline)}.knowledge-index{counter-reset:guide}.knowledge-index article{position:relative;padding:28px 28px 28px 90px;border-bottom:1px solid var(--grayline)}.knowledge-index article:before{counter-increment:guide;content:counter(guide,decimal-leading-zero);position:absolute;left:0;top:28px;color:var(--blue);font-size:28px;font-weight:900}.community-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.community-flow article{padding:24px;border-radius:18px;background:#fff;border:1px solid var(--grayline)}.process-line{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}.process-line div{padding:16px;border-radius:14px;background:var(--pale)}.notice-list article{display:grid;grid-template-columns:170px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--grayline)}.notice-kind{color:var(--blue);font-weight:800}.download-guide{display:grid;grid-template-columns:1fr 1fr;gap:22px}.download-guide article{padding:26px;border-radius:18px;background:#fff;border:1px solid var(--grayline)}.risk-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.risk-grid article{padding:24px;border-radius:18px;border:1px solid var(--grayline);background:#fff}.risk-grid article h2{display:flex;align-items:center;gap:10px}.risk-grid article h2:before{content:"!";display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--pale);color:var(--blue3);font-size:14px}.privacy-index{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.privacy-index article{padding:22px;border-radius:18px;background:#fff;border:1px solid var(--grayline)}.rules-index{display:grid;grid-template-columns:260px 1fr;gap:30px}.rules-nav{position:sticky;top:98px;align-self:start;padding:18px;border-radius:18px;background:var(--bg2)}.rules-nav a{display:block;padding:10px}.rule-block{padding:28px 0;border-bottom:1px solid var(--grayline)}.help-categories{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.help-categories article{padding:22px;border-radius:18px;background:var(--pale)}.feedback-grid,.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.feedback-grid article,.contact-grid article{padding:24px;border-radius:18px;border:1px solid var(--grayline)}.about-timeline{display:grid;gap:0}.about-row{display:grid;grid-template-columns:220px 1fr;gap:30px;padding:28px 0;border-bottom:1px solid var(--grayline)}.about-row h2{margin:0;color:var(--ink)}
/* 遮罩与面板 */.overlay{position:fixed;inset:var(--navh) 0 0;background:rgba(11,31,56,.34);z-index:85;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s,visibility .2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.mega-menu,.search-panel{position:fixed;left:0;right:0;top:var(--navh);z-index:90;background:#fff;border-bottom:1px solid var(--grayline);box-shadow:0 24px 50px rgba(21,67,118,.12);visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:.2s}.mega-menu.is-open,.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.mega-menu{max-height:calc(100vh - var(--navh));overflow:auto;padding:20px max(20px,calc((100vw - var(--max))/2)) 30px}.mega-head,.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.mega-head strong,.search-head strong{font-size:20px;color:var(--ink)}.mega-head button,.search-head button{border:0;background:var(--gray);width:44px;height:44px;border-radius:50%;font-size:25px;cursor:pointer}.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.mega-grid h2{font-size:14px;color:var(--blue);margin:0 0 10px}.mega-grid a{display:block;padding:12px;border-radius:14px}.mega-grid a:hover{background:var(--bg2)}.mega-grid b{display:block;color:var(--ink);margin-bottom:4px}.mega-grid span{display:block;font-size:13px;color:var(--muted);line-height:1.55}.search-panel{padding:24px max(20px,calc((100vw - var(--max))/2)) 34px;max-height:calc(100vh - var(--navh));overflow:auto}.search-box{display:block}.search-box input{width:100%;height:58px;border:1px solid var(--line);border-radius:16px;padding:0 18px;font-size:17px;background:var(--bg2)}.search-columns{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:26px;margin-top:24px}.search-columns h2{font-size:14px;color:var(--muted)}.search-chips{display:flex;flex-wrap:wrap;gap:8px}.search-chips button{border:0;background:var(--pale);color:var(--blue3);padding:9px 12px;border-radius:999px;cursor:pointer}.search-links{display:grid;gap:7px}.search-links a{padding:8px 0;color:var(--ink)}.search-links a:hover{color:var(--blue)}.search-empty{padding:12px 0;color:var(--muted)}.mobile-bottom-nav{display:none}.site-footer{background:var(--navy);color:#eaf3ff;padding:58px 0 24px}.footer-inner{width:min(calc(100% - 40px),var(--max));margin:auto}.footer-brand-block{display:grid;grid-template-columns:320px 1fr;gap:40px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand img{width:92px;max-height:42px;object-fit:contain}.footer-brand strong{display:block;font-size:22px}.footer-brand small{display:block;color:#9fc7f8;letter-spacing:.08em}.footer-brand-block p{margin:0;color:#c4d4e7}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:34px 0}.footer-links h2{font-size:14px;color:#8ebdf4;margin:0 0 12px}.footer-links a{display:block;padding:5px 0;color:#dbe9f8}.footer-links a:hover{color:#fff}.footer-note{padding:20px;border-radius:16px;background:rgba(255,255,255,.06);color:#cbdced}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:20px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#9eb4cc}.footer-bottom a{margin-left:16px}.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}
@media(max-width:1100px){.brand{min-width:auto}.brand-tag,.action-label{display:none}.main-nav{gap:0}.main-nav a{padding:10px 8px}.hero-editor-grid{grid-template-columns:1fr 1.2fr}.hero-side{grid-column:1/-1;grid-template-columns:repeat(4,1fr)}.overview-grid{grid-template-columns:repeat(2,1fr)}.privacy-index,.help-categories{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){:root{--navh:62px}.desktop-nav{display:none}.mobile-nav{height:var(--navh);display:grid;grid-template-columns:52px 1fr 52px;align-items:center;padding:0 10px}.mobile-brand{text-align:center;color:var(--blue);font-weight:900;font-size:19px;min-width:0}.mobile-brand img{max-width:132px;max-height:38px;object-fit:contain}.mobile-discover{font-size:13px}.container{width:min(calc(100% - 30px),var(--max))}.section{padding:52px 0}.page-lead{padding-top:38px}.page-lead .lead-grid{grid-template-columns:1fr}.lead-aside{display:none}.hero-editor-grid{display:flex;flex-direction:column}.hero-panel{order:1}.hero-banner{order:2;min-height:260px}.hero-side{order:3;grid-template-columns:repeat(2,1fr)}.overview-grid,.discussion-grid,.story-layout,.app-feature,.security-split,.plaza-board,.magazine-grid,.download-guide,.rules-index,.questions-directory{grid-template-columns:1fr}.topic-list,.grid-2,.grid-3,.grid-4,.principles,.community-flow,.risk-grid,.feedback-grid,.contact-grid{grid-template-columns:1fr 1fr}.city-map-grid{grid-template-columns:1fr 1fr;grid-template-areas:"a b" "c d" "e f"}.interest-chip{width:calc(50% - 7px)}.interest-chip:nth-child(3n+1){transform:none}.guide-row{grid-template-columns:1fr}.guide-row>span:first-child{color:var(--blue);font-weight:800}.service-grid{grid-template-columns:repeat(2,1fr)}.security-panel:nth-child(2){transform:none}.topic-directory,.travel-steps,.q-categories,.rules-nav{position:static}.travel-journal{grid-template-columns:1fr}.travel-steps{display:flex;overflow:auto;white-space:nowrap}.travel-steps a{border-left:0;border-bottom:2px solid var(--line)}.interest-detail-grid{grid-template-columns:1fr}.privacy-index,.help-categories{grid-template-columns:1fr 1fr}.mega-menu{top:0;bottom:0;left:auto;width:min(88vw,420px);max-height:none;padding:18px;background:#fff;transform:translateX(100%);overflow:auto}.mega-menu.is-open{transform:none}.mega-grid{grid-template-columns:1fr}.overlay{inset:0}.search-panel{top:0;bottom:0;max-height:none;padding:18px;overflow:auto;transform:translateY(10px)}.search-columns{grid-template-columns:1fr}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:repeat(5,1fr);padding:6px 8px calc(6px + env(safe-area-inset-bottom));background:rgba(255,255,255,.98);border-top:1px solid var(--grayline)}.mobile-bottom-nav a{min-height:52px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:var(--muted);border-radius:10px}.mobile-bottom-nav a span{font-size:18px;line-height:1}.mobile-bottom-nav a.is-active{color:var(--blue);background:var(--pale)}.site-footer{padding-bottom:92px}.footer-brand-block{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.about-row{grid-template-columns:1fr}.topic-index article{grid-template-columns:1fr}.longread-list article{grid-template-columns:1fr}.community-flow{grid-template-columns:1fr 1fr}.process-line{grid-template-columns:1fr 1fr}}
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