/* 瓜讯频谱 · 本地CSS，无外部资源 */
:root{--background:#F6F7FB;--paper:#fff;--surface:#fff;--surface-soft:#F0F2F8;--electric-purple:#5637A7;--purple-deep:#3D287C;--purple-soft:#EEEAF9;--lime:#D7EC74;--lime-soft:#F3F8DB;--lime-text:#28351B;--slate:#1E293B;--slate-deep:#162131;--slate-soft:#3A485E;--sky:#4385BA;--sky-soft:#E8F2FA;--mint:#438E7D;--mint-soft:#E5F3ED;--coral:#BE6654;--coral-soft:#FAECE7;--lavender:#9186B7;--lavender-soft:#F0EDF7;--title:#202B3D;--body:#3D4A5E;--muted:#627085;--border:#DFE4ED;--divider:#EBEFF5}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--background);color:var(--body);font:16px/1.75 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}a:hover{color:var(--electric-purple)}img{display:block;max-width:100%;height:auto}button,input,select{font:inherit}button{cursor:pointer}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--title);line-height:1.3;letter-spacing:-.035em}h1{font-size:clamp(30px,3.4vw,46px)}h2{font-size:clamp(24px,2.4vw,30px)}h3{font-size:19px}p{margin-bottom:17px}.container{width:min(1320px,calc(100% - 64px));margin-inline:auto}.sr{position:absolute;width:1px;height:1px;clip:rect(0,0,0,0);overflow:hidden;white-space:nowrap}.skip{position:absolute;top:-60px;left:12px;background:#fff;z-index:50;padding:10px}.skip:focus{top:8px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #5637A7;outline-offset:3px}.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--electric-purple);text-transform:uppercase}.site-shell{padding-top:16px}.topbar{height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:0 12px 40px #28334a0c;padding:0 24px}.brand{display:flex;align-items:center;gap:12px;min-width:190px}.brand b{font-size:22px;font-weight:900;color:var(--purple-deep);letter-spacing:-.05em}.brand small{display:block;line-height:1.2;font-size:9px;letter-spacing:.06em;color:var(--muted)}.brand-img{width:49px!important;max-height:46px;object-fit:contain}.brand .image-fallback{width:38px;height:38px;border-radius:11px;min-height:0;padding:0}.brand .image-fallback small{display:none}.brand .image-fallback span{font-size:25px}.mainnav{display:flex;align-items:center;gap:clamp(8px,2vw,26px)}.mainnav a{font-size:14px;font-weight:700;white-space:nowrap;padding:8px 0}.mainnav [aria-current=page]{color:var(--electric-purple)}.head-actions{display:flex;align-items:center;gap:10px}.search-short{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:var(--purple-soft);color:var(--purple-deep);font-size:29px;font-weight:700}.menu-toggle,.menu-close{border:0;background:var(--surface-soft);color:var(--title);padding:10px 14px;border-radius:10px}.menu-toggle{display:none}.channel-strip{display:flex;gap:7px;overflow-x:auto;scrollbar-width:thin;padding:13px 1px 9px}.channel-strip a{flex:1 0 auto;min-width:120px;text-align:center;white-space:nowrap;background:white;border:1px solid var(--divider);border-radius:9px;padding:8px 10px;font-size:12px;font-weight:700}.channel-strip small{color:var(--electric-purple);font-weight:800}.channel-strip a:hover,.channel-strip a:focus-visible{background:var(--lime-soft);border-color:#bbce61}.mobile-menu,.menu-shade{position:fixed;z-index:40}.menu-shade{inset:0;background:#10192999}.mobile-menu{right:0;top:0;bottom:0;width:min(340px,88vw);overflow-y:auto;background:#fff;box-shadow:-10px 0 40px #0002;padding:28px}.mobile-menu a{display:block;border-bottom:1px solid var(--divider);padding:15px 5px;font-weight:700}.menu-close{display:block;margin-left:auto}.bottom-nav{display:none}.page,.home{padding-block:25px 90px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(290px,1fr);gap:17px}.hero-main,.hero-side{border-radius:24px;overflow:hidden}.hero-main{background:var(--purple-soft);min-height:410px;padding:43px 48px;position:relative}.hero-main h1{font-size:clamp(35px,4vw,58px);margin:20px 0}.hero-main h1 em{color:var(--electric-purple);font-style:normal}.hero-main>p{max-width:590px;position:relative;z-index:1}.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:25px;position:relative;z-index:1}.button{display:inline-flex;align-items:center;justify-content:center;background:var(--electric-purple);color:#fff!important;padding:12px 22px;border:0;border-radius:11px;font-weight:750;min-height:44px}.button:hover{background:var(--purple-deep)}.ghost,.text-link{font-weight:800;color:var(--electric-purple)}.hero-image{width:100%;max-height:205px;object-fit:contain;margin-top:25px}.hero-side{background:var(--slate-deep);color:#d4deeb;padding:38px 36px}.hero-side h2{color:#fff;font-size:25px;margin:19px 0 10px}.hero-side p{font-size:14px;line-height:1.8}.hero-side a{color:var(--lime);font-weight:700}.side-tag{color:var(--lime);font-size:12px;letter-spacing:.12em}.side-rule{margin:28px 0;border-top:1px solid #ffffff29}.hero-side .eyebrow{color:#c4b2ff}.home-section{margin-top:80px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}.section-heading h2{margin:8px 0 0}.section-heading>a{white-space:nowrap;color:var(--electric-purple);font-size:14px;font-weight:700}.frequency-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.freq-item{display:flex;flex-direction:column;gap:8px;padding:21px 19px;background:#fff;border:1px solid var(--border);border-radius:14px;min-height:150px}.freq-item:nth-child(2n){background:var(--sky-soft)}.freq-item:nth-child(3n){background:var(--lime-soft)}.freq-item:nth-child(5n){background:var(--purple-soft)}.freq-item span{font-size:13px;font-weight:800;color:var(--electric-purple)}.freq-item strong{font-size:19px;color:var(--slate)}.freq-item small{font-size:12px;line-height:1.5;color:var(--body)}.editor-list{background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden}.editor-list a{display:grid;grid-template-columns:145px minmax(0,1fr) minmax(180px,1.3fr) 25px;gap:20px;align-items:center;padding:19px 25px;border-bottom:1px solid var(--divider)}.editor-list a:last-child{border:0}.editor-list span{font-size:12px;color:var(--electric-purple);font-weight:800}.editor-list strong{font-size:18px;color:var(--title)}.editor-list small{line-height:1.6;font-size:13px;color:var(--muted)}.editor-list b{font-size:23px;color:var(--electric-purple)}.route-section{background:var(--slate-deep);border-radius:23px;color:#e0e9f2;padding:45px;display:grid;grid-template-columns:1fr 1.45fr;gap:40px}.route-section h2{color:white}.route-section .eyebrow{color:var(--lime)}.route-section .text-link{color:var(--lime)}.path-track{display:flex;align-items:stretch;gap:12px}.path-track div{flex:1;border:1px solid #ffffff3a;background:#ffffff0d;padding:22px 15px;border-radius:13px;display:flex;flex-direction:column;gap:10px}.path-track b{color:var(--lime)}.path-track strong{color:white}.path-track small{color:#bdcede;line-height:1.6}.cinema-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:15px}.visual-card{background:white;border:1px solid var(--border);border-radius:18px;overflow:hidden}.visual-card>div:last-child{padding:24px}.visual-card h3{margin:10px 0}.visual-card p{font-size:13px}.site-image{width:100%;aspect-ratio:16/9;object-fit:contain;background:#e8ebf3}.image-fallback{min-height:140px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:9px;text-align:center;padding:23px;background:radial-gradient(circle at 75% 25%,#d7ec74 0 10%,transparent 10.2%),linear-gradient(130deg,#ede8fa,#e7f0f8);color:var(--purple-deep);aspect-ratio:16/9;overflow:hidden}.image-fallback span{font-size:46px;line-height:1}.image-fallback small{font-size:12px;font-weight:750;max-width:24ch;line-height:1.6}.stage-layout{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center;background:#fff;border-radius:20px;overflow:hidden;padding:24px 45px 24px 24px}.stage-art .image-fallback,.stage-art img{min-height:310px;border-radius:14px}.stage-line{padding:12px 0;border-bottom:1px solid var(--divider);font-weight:750;color:var(--electric-purple);margin:0}.meme-section{padding:43px;background:var(--lime-soft);border-radius:22px}.meme-section p{max-width:650px}.meme-tags{display:flex;flex-wrap:wrap;gap:12px}.meme-tags a{background:#fff;border:1px solid #d5e6a3;padding:12px 17px;border-radius:30px;font-size:14px;font-weight:750}.meme-tags a:nth-child(even){background:var(--purple-soft);border-color:#e0d7fb}.people-section{display:grid;grid-template-columns:.65fr 1.35fr;gap:35px}.people-track{display:grid;grid-template-columns:1fr 1fr;gap:12px}.people-track a{display:flex;flex-direction:column;gap:14px;padding:20px;background:white;border:1px solid var(--border);border-left:4px solid var(--coral);border-radius:12px}.people-track small{font-size:11px;color:var(--coral);font-weight:800}.people-track strong{font-size:16px;color:var(--slate)}.people-track span{font-size:12px;color:var(--electric-purple)}.verify-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:35px;align-items:center;padding:40px;border:1px solid #cce3dd;border-radius:18px;background:var(--mint-soft)}.compare{display:grid;grid-template-columns:1fr 1fr;gap:13px}.compare div{background:white;border:1px solid #cbdcd5;border-radius:12px;padding:23px}.compare b{color:var(--mint)}.compare p{font-size:14px;margin:10px 0 0}.city-section{display:grid;grid-template-columns:1.1fr 1fr;gap:35px;align-items:center}.city-section img,.city-section .image-fallback{border-radius:18px;min-height:250px}.city-section a{font-weight:800;color:var(--electric-purple)}.feature-three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.feature-three article{padding:15px;background:#fff;border:1px solid var(--border);border-radius:16px}.feature-three .image-fallback,.feature-three img{border-radius:11px}.feature-three article>.eyebrow{margin:20px 10px 0}.feature-three h3,.feature-three p,.feature-three .text-link{margin-left:10px;margin-right:10px}.feature-three h3{margin-top:12px}.feature-three p{font-size:14px}.next-section{background:var(--purple-soft);border-radius:20px;padding:40px}.next-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.next-links a{padding:23px 18px;background:#fff;border-radius:12px;color:var(--purple-deep);font-weight:800;display:flex;justify-content:space-between}.page-intro{padding:48px 0;max-width:910px}.page-intro h1{margin:12px 0 20px}.page-intro p{font-size:18px;max-width:780px}.signals-banner{border-bottom:1px solid var(--border)}.filter-bar{display:flex;gap:10px;overflow-x:auto;flex-wrap:wrap;padding:20px 0}.pill{white-space:nowrap;padding:7px 13px;border:1px solid var(--border);border-radius:30px;background:#fff;font-size:13px;font-weight:750}.pill.active{background:var(--electric-purple);color:#fff}.signal-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:32px;margin-top:20px}.list-heading{margin-bottom:25px}.list-heading small{font-size:12px;font-weight:500;color:var(--muted)}.signal-flow{border-left:2px solid #c9bee8;margin-left:13px}.signal-item{position:relative;padding:0 15px 38px 28px}.signal-dot{position:absolute;width:13px;height:13px;background:var(--electric-purple);border:3px solid var(--background);box-shadow:0 0 0 1px #b1a3dc;border-radius:50%;left:-8px;top:7px}.signal-index{font-size:11px;color:var(--electric-purple);letter-spacing:.12em;font-weight:800}.signal-item h3{font-size:23px;margin:7px 0 12px}.signal-item p{font-size:15px;max-width:720px}.signal-meta{display:flex;flex-wrap:wrap;gap:9px;font-size:12px;color:var(--muted)}.signal-meta span{border:1px solid var(--border);padding:3px 10px;border-radius:6px}.signal-meta a{font-weight:800;color:var(--electric-purple)}.aside-panel{background:#fff;border:1px solid var(--border);padding:24px;border-radius:15px;margin-bottom:15px}.aside-panel h2{font-size:20px;margin:10px 0}.aside-panel h3{font-size:16px}.aside-panel p{font-size:13px;line-height:1.75}.aside-panel a{color:var(--electric-purple);font-size:14px;font-weight:750}.aside-panel hr{border:0;border-top:1px solid var(--divider);margin:25px 0}.channel-matrix{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.channel-tile{background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px;min-height:197px}.channel-tile:nth-child(2n){background:var(--sky-soft)}.channel-tile:nth-child(3n){background:var(--lime-soft)}.channel-tile:nth-child(5n){background:var(--purple-soft)}.channel-tile.selected{border:2px solid var(--electric-purple)}.channel-tile>span{font-size:14px;font-weight:850;color:var(--electric-purple)}.channel-tile h2{font-size:22px;margin:13px 0 7px}.channel-tile p{font-size:13px;line-height:1.65}.channel-tile small{font-size:12px;font-weight:800;color:var(--purple-deep)}.channel-index{margin-top:75px}.topic-index{background:#fff;border:1px solid var(--border);border-radius:17px;padding:10px 24px}.topic-row{display:flex;align-items:center;gap:20px;padding:23px 0;border-bottom:1px solid var(--divider)}.topic-row:last-child{border:0}.topic-row>div:last-child{flex:1;min-width:0}.topic-row h3{margin:4px 0 8px}.topic-row p{font-size:14px;color:var(--muted);margin:0 0 7px}.topic-row .thumb{width:180px;flex:0 0 180px;min-height:120px;aspect-ratio:3/2;border-radius:10px}.topic-row .thumb img{object-fit:contain}.topic-row .text-link{font-size:12px}.pagination{display:flex;flex-wrap:wrap;gap:8px;padding:25px 0}.pagination a{min-width:43px;text-align:center;padding:8px 12px;border-radius:9px;background:#fff;border:1px solid var(--border)}.pagination a[aria-current]{background:var(--electric-purple);color:white}.crumb{font-size:13px;color:var(--muted);margin-bottom:25px}.crumb a{color:var(--purple-deep)}.topic-layout{display:grid;grid-template-columns:minmax(0,810px) minmax(235px,1fr);gap:48px;align-items:start}.topic-kicker{display:flex;gap:12px;color:var(--electric-purple);font-size:12px;font-weight:800;letter-spacing:.06em}.topic-main h1{margin:15px 0 22px}.topic-lead{font-size:19px;line-height:1.8;color:var(--slate-soft)}.topic-tags{display:flex;gap:9px;flex-wrap:wrap;margin:25px 0}.topic-tags span{padding:4px 11px;border-radius:7px;background:var(--purple-soft);font-size:12px;color:var(--purple-deep)}.topic-cover{border-radius:15px;max-height:425px}.article-body{font-size:17px;line-height:1.85;margin:45px 0}.article-body h2,.evidence h2,.discussion h2{font-size:24px;margin-bottom:25px}.article-body p{margin:0 0 26px}.evidence{border-top:3px solid var(--mint);background:#edf5f1;padding:28px;border-radius:0 0 14px 14px}.evidence h3{font-size:15px;color:var(--mint);margin:21px 0 6px}.evidence p{font-size:14px}.discussion{margin-top:40px}.discussion>div{display:flex;gap:17px;padding:15px 0;border-bottom:1px solid var(--divider)}.discussion span{font-size:24px;font-weight:900;color:var(--electric-purple)}.discussion p{margin:0}.topic-aside .aside-panel{position:relative}.aside-link{display:block;padding:12px 0;border-bottom:1px solid var(--divider)}.map-intro{max-width:850px}.map-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:19px}.map-node{background:#fff;border:1px solid var(--border);border-radius:20px;padding:24px;display:grid;grid-template-columns:150px 1fr;gap:10px 22px;align-items:start}.map-node:nth-child(3n){background:var(--purple-soft)}.map-node:nth-child(4n){background:var(--lime-soft)}.map-number{grid-column:1/-1;font-size:11px;font-weight:850;color:var(--electric-purple);letter-spacing:.1em}.map-node img,.map-node .image-fallback{border-radius:12px;min-height:145px}.map-node h2{font-size:23px;margin-bottom:9px}.map-node p{font-size:13px}.map-node span{font-size:12px;color:var(--muted);display:block}.map-node .text-link{display:block;margin-top:15px;font-size:13px}.feature-detail{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:50px}.feature-story{font-size:16px;line-height:1.85}.feature-story .feature-hero{border-radius:16px;margin:15px 0 25px;max-height:320px}.feature-story>p{white-space:normal}.feature-scope{padding:25px;border-left:4px solid var(--electric-purple);background:var(--purple-soft);border-radius:0 12px 12px 0}.feature-path h2 small{font-size:12px;color:var(--muted);font-weight:500}.path-node{position:relative;display:flex;align-items:flex-start;gap:17px;background:#fff;border:1px solid var(--border);padding:20px;margin-bottom:12px;border-radius:15px}.path-node:after{content:'';position:absolute;left:34px;bottom:-14px;height:14px;width:2px;background:#bdb1dd}.path-node:last-child:after{display:none}.path-node>b{color:var(--electric-purple);font-size:20px}.path-node>div{flex:1}.path-node h3{margin:5px 0 10px}.path-node p{font-size:13px;margin:0}.path-node small{font-size:12px;color:var(--muted)}.path-node>span{color:var(--electric-purple)}.search-header{background:var(--purple-soft);border-radius:23px;padding:48px}.search-header h1{max-width:700px;margin:12px 0}.search-header p{max-width:720px}.search-form{display:flex;gap:10px;margin-top:26px}.search-form input{flex:1;min-width:0}.search-form input,.search-form select{background:#fff;border:1px solid #cfc6e9;border-radius:10px;padding:11px 14px;min-height:48px}.search-form select{max-width:180px}.search-results,.search-empty{margin-top:55px}.search-results h2 small{color:var(--muted);font-size:13px}.search-empty{background:#fff;border:1px solid var(--border);padding:35px;border-radius:15px}.keyword-list{display:flex;gap:10px;flex-wrap:wrap}.keyword-list a{padding:10px 18px;border-radius:30px;background:var(--lime-soft);color:var(--lime-text);font-weight:700}.about-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:45px}.about-index{position:sticky;top:20px;align-self:start;background:#fff;padding:23px;border-radius:15px}.about-index h2{font-size:17px}.about-index a{display:block;padding:9px 0;border-bottom:1px solid var(--divider);font-size:13px}.about-content>section{padding:35px 0;border-bottom:1px solid var(--border);scroll-margin-top:20px}.about-content h2{margin:10px 0 20px}.about-content p{max-width:820px}.about-channel{display:grid;grid-template-columns:190px 1fr;gap:20px;padding:13px 0;border-bottom:1px solid var(--divider)}.about-channel b{font-size:14px;color:var(--purple-deep)}.about-channel p{font-size:14px;margin:0}.about-content details{border-bottom:1px solid var(--border);padding:17px 0}.about-content summary{font-weight:800;cursor:pointer}.about-content details p{margin:12px 0 0}.empty{min-height:55vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}.footer{background:var(--slate-deep);color:#c9d6e4;padding:60px 0 20px}.footer strong{color:white;font-size:20px}.footer h3{color:white;font-size:14px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.3fr;gap:50px}.footer-grid p{font-size:13px;max-width:360px}.footer-grid a{display:block;font-size:13px;padding:4px 0}.foot-bottom{font-size:12px;border-top:1px solid #ffffff24;margin-top:35px;padding-top:18px;color:#a5b6c6}
@media(max-width:1120px){.container{width:calc(100% - 44px)}.mainnav{gap:11px}.mainnav a{font-size:12px}.brand{min-width:155px}.brand b{font-size:19px}.hero-main{padding:36px}.editor-list a{grid-template-columns:120px minmax(0,1fr) 25px}.editor-list small{display:none}.frequency-grid,.channel-matrix{grid-template-columns:repeat(4,1fr)}.feature-detail{gap:25px}.map-node{grid-template-columns:120px 1fr}}
@media(max-width:850px){.mainnav{display:none}.menu-toggle{display:block}.hero-grid,.signal-layout,.topic-layout,.feature-detail,.about-layout{grid-template-columns:1fr}.topic-aside{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.topic-aside .aside-panel{margin:0}.frequency-grid,.channel-matrix{grid-template-columns:repeat(2,1fr)}.route-section,.stage-layout,.verify-section,.people-section,.city-section{grid-template-columns:1fr}.feature-three{grid-template-columns:repeat(2,1fr)}.path-track{gap:8px}.map-grid{grid-template-columns:1fr}.about-index{position:static;display:flex;flex-wrap:wrap;gap:10px}.about-index h2{width:100%}.about-index a{padding:6px}.footer-grid{grid-template-columns:1fr 1fr}.cinema-grid{grid-template-columns:1fr 1fr}.cinema-grid .visual-card:first-child{grid-column:1/-1}}
@media(max-width:600px){.container{width:calc(100% - 34px)}body{font-size:15px}.site-shell{padding-top:9px}.topbar{height:66px;padding:0 13px;border-radius:13px}.channel-strip{padding:10px 0 3px}.page,.home{padding:18px 0 85px}.hero-main,.hero-side{padding:25px;border-radius:16px}.hero-main{min-height:0}.hero-main h1{font-size:35px}.hero-grid{gap:12px}.hero-side h2{font-size:22px}.home-section{margin-top:52px}.section-heading{align-items:start}.section-heading>a{font-size:12px;white-space:normal;text-align:right}.frequency-grid,.channel-matrix{gap:8px}.freq-item{padding:14px 12px;min-height:140px}.freq-item strong{font-size:16px}.freq-item small{font-size:11px}.editor-list a{grid-template-columns:1fr 23px;gap:4px;padding:18px}.editor-list span,.editor-list strong{grid-column:1}.editor-list b{grid-column:2;grid-row:1/3;align-self:center}.editor-list strong{font-size:16px}.route-section,.meme-section,.next-section,.verify-section{padding:24px;border-radius:15px}.path-track{flex-direction:column}.cinema-grid,.feature-three,.people-track,.compare,.topic-aside{grid-template-columns:1fr}.stage-layout{padding:14px;gap:20px}.stage-art .image-fallback{min-height:190px}.next-links{grid-template-columns:repeat(2,1fr)}.next-links a{padding:16px 12px;font-size:13px}.page-intro{padding:29px 0}.page-intro p{font-size:16px}.filter-bar{flex-wrap:nowrap;scrollbar-width:thin}.channel-tile{padding:13px;min-height:166px}.channel-tile h2{font-size:17px}.channel-tile p{font-size:12px}.channel-tile>span{font-size:11px}.topic-index{padding:4px 16px}.topic-row{align-items:stretch;flex-direction:column}.topic-row .thumb{width:100%;flex:auto;max-height:180px}.topic-main h1{font-size:32px}.topic-lead{font-size:17px}.article-body{font-size:16px}.article-body p{margin-bottom:22px}.map-node{grid-template-columns:1fr}.map-node .image-fallback{min-height:130px}.search-header{padding:26px 19px}.search-form{flex-direction:column}.search-form select{max-width:100%}.about-channel{grid-template-columns:1fr;gap:4px}.footer{padding:45px 0 100px}.footer-grid{grid-template-columns:1fr;gap:24px}.bottom-nav{display:flex;position:fixed;z-index:20;bottom:0;left:0;right:0;height:67px;background:#fff;border-top:1px solid var(--border);box-shadow:0 -4px 20px #1d28390d;justify-content:space-around;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{width:25%;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:22px;color:var(--purple-deep);line-height:1.15}.bottom-nav small{font-size:11px;color:var(--slate);margin-top:4px}}
@media(max-width:350px){.brand small{font-size:8px}.brand b{font-size:17px}.brand{min-width:0}.hero-main h1{font-size:31px}.search-short{width:35px;height:35px}.head-actions{gap:5px}.menu-toggle{padding:7px 9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}