:root{--bg:#151A23;--s1:#1B2130;--s2:#202738;--s3:#252D40;--gold:#F1DCA3;--gold2:#E3C98F;--text:#E8ECF5;--sub:#B8C0D3;--muted:#8F98AD;--footer:#0E121A;--foot:#D5DBEA;--line:rgba(241,220,163,.14);--soft:rgba(241,220,163,.10);--strong:rgba(241,220,163,.24);--shadow:0 14px 36px rgba(0,0,0,.28);--r:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(1280px,calc(100% - 44px));margin:0 auto}.site-header{position:sticky;top:0;z-index:9999;background:rgba(21,26,35,.97);border-bottom:1px solid var(--soft);backdrop-filter:blur(10px)}.topline{background:var(--footer);color:var(--muted);font-size:12px}.topline .wrap{height:32px;display:flex;align-items:center;justify-content:space-between}.topline nav{display:flex;gap:18px}.topline a:hover{color:var(--gold)}.brandbar{height:82px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:12px;justify-self:start}.brand img{max-width:150px;max-height:56px;object-fit:contain}.brand-badge{display:grid;place-items:center;width:46px;height:46px;border:1px solid var(--strong);border-radius:15px;color:var(--gold);font-weight:900;letter-spacing:.04em;background:var(--s2)}.brand-badge.small{width:36px;height:36px;border-radius:11px}.brand-words{display:flex;flex-direction:column}.brand-words strong{font-size:21px;color:var(--gold)}.brand-words small{font-size:10px;letter-spacing:.13em;color:var(--muted);margin-top:2px}.brand-message{text-align:center}.brand-message b{display:block;color:var(--gold);font-size:15px}.brand-message span{display:block;color:var(--muted);font-size:12px;margin-top:4px}.header-actions{display:flex;align-items:center;justify-content:flex-end;gap:14px}.plain-link{color:var(--sub);font-size:13px}.plain-link:hover{color:var(--gold)}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--gold);color:var(--bg);border-radius:999px;padding:11px 20px;font-weight:800;box-shadow:0 10px 24px rgba(241,220,163,.18);border:0}.main-btn:hover{background:var(--gold2);transform:translateY(-1px)}.channelbar{border-top:1px solid var(--soft);position:relative}.channel-inner{height:50px;display:flex;justify-content:space-between;align-items:center}.main-nav{height:100%;display:flex;align-items:center;gap:2px}.main-nav>a{height:100%;display:flex;align-items:center;padding:0 15px;color:var(--sub);font-size:14px;position:relative}.main-nav>a:hover,.main-nav>a.is-active{color:var(--gold)}.main-nav>a.is-active:after{content:"";position:absolute;bottom:0;left:15px;right:15px;height:2px;background:var(--gold)}.all-channels{background:transparent;color:var(--gold);border:1px solid var(--line);border-radius:999px;padding:7px 13px;cursor:pointer}.mega-panel{display:none;position:absolute;left:0;right:0;top:100%;background:var(--s1);border-top:1px solid var(--soft);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.mega-panel.open{display:block}.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:25px 0}.mega-grid strong{display:block;color:var(--gold);margin-bottom:10px}.mega-grid a{display:block;padding:5px 0;color:var(--sub);font-size:13px}.mega-grid a:hover{color:var(--gold)}.menu-toggle,.mobile-tabs{display:none}.page-hero{padding:50px 0 35px;border-bottom:1px solid var(--soft);background:linear-gradient(180deg,var(--s1),var(--bg))}.breadcrumb{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;margin-bottom:18px}.breadcrumb a:hover{color:var(--gold)}.page-hero h1{margin:0;max-width:900px;color:var(--gold);font-size:clamp(34px,5vw,58px);line-height:1.12;overflow-wrap:anywhere}.page-hero p{max-width:820px;color:var(--sub);font-size:17px;line-height:1.9;margin:18px 0 0}.section{padding:68px 0}.section.alt{background:var(--s1)}.section-head{display:grid;grid-template-columns:1fr minmax(240px,460px);gap:30px;align-items:end;margin-bottom:28px}.section-head h2{margin:3px 0 0;color:var(--gold);font-size:clamp(26px,3vw,38px)}.section-head p{margin:0;color:var(--muted);line-height:1.75}.kicker,.tag{display:inline-block;color:var(--gold);font-size:11px;letter-spacing:.12em;text-transform:uppercase}.content-img{display:block;width:100%;max-width:100%;height:auto;object-fit:contain}.media-placeholder{display:grid;place-items:center;min-height:220px;background:linear-gradient(135deg,var(--s2),var(--s3));border:1px dashed var(--line);color:var(--muted);padding:20px;text-align:center}.nav-hero{padding:42px 0 26px}.nav-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}.nav-copy{background:var(--s1);border:1px solid var(--line);border-radius:24px;padding:44px;display:flex;flex-direction:column;justify-content:center}.nav-copy h1{font-size:clamp(38px,5.6vw,72px);line-height:1.04;color:var(--gold);margin:12px 0 18px;max-width:900px}.nav-copy p{font-size:17px;color:var(--sub);line-height:1.9;margin:0 0 22px}.nav-visual{display:grid;grid-template-rows:1fr auto;gap:18px}.nav-visual .visual-card{background:var(--s2);border:1px solid var(--line);border-radius:24px;overflow:hidden}.nav-visual .visual-card .media-placeholder{min-height:360px}.visual-note{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.visual-note div{padding:16px;background:var(--s1);border:1px solid var(--line);border-radius:15px}.visual-note strong{display:block;color:var(--gold);font-size:14px}.visual-note span{color:var(--muted);font-size:11px}.route-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:18px}.route-strip a{padding:18px;background:var(--s2);border:1px solid var(--line);border-radius:16px}.route-strip b{display:block;color:var(--gold);margin-bottom:5px}.route-strip span{color:var(--muted);font-size:12px}.route-strip a:hover{background:var(--s3);border-color:var(--strong)}.editor-board{display:grid;grid-template-columns:1.4fr repeat(2,.8fr);grid-template-rows:auto auto;gap:18px}.editor-card{background:var(--s1);border:1px solid var(--line);border-radius:var(--r);padding:24px}.editor-card.main{grid-row:span 2;padding:30px}.editor-card h3{color:var(--gold);margin:8px 0 10px;font-size:21px}.editor-card.main h3{font-size:32px}.editor-card p{color:var(--sub);line-height:1.8;margin:0}.index-list{display:grid;gap:0;border-top:1px solid var(--line)}.index-row{display:grid;grid-template-columns:70px 170px 1fr 120px;gap:18px;align-items:start;padding:19px 0;border-bottom:1px solid var(--soft)}.index-row .num{font-size:23px;color:var(--gold);font-weight:900}.index-row .topic{color:var(--sub);font-size:13px}.index-row h3{margin:0 0 7px;font-size:18px}.index-row p{margin:0;color:var(--muted);line-height:1.65}.index-row .type{text-align:right;color:var(--muted);font-size:12px}.dual-feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:stretch}.dual-feature>div{background:var(--s2);border:1px solid var(--line);border-radius:22px;overflow:hidden}.dual-feature .copy{padding:34px}.dual-feature h2{color:var(--gold);font-size:clamp(28px,4vw,44px);margin:8px 0 14px}.dual-feature p{color:var(--sub);line-height:1.9}.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.app-card{background:var(--s1);border:1px solid var(--line);border-radius:17px;padding:22px}.app-card b{display:block;color:var(--gold);margin-bottom:8px}.app-card p{color:var(--muted);line-height:1.7;margin:0;font-size:13px}.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.card{background:var(--s1);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:0 14px 36px rgba(0,0,0,.18)}.card:hover{transform:translateY(-2px)}.card h3{color:var(--gold);margin:8px 0 10px}.card p{color:var(--sub);line-height:1.78;margin:0}.text-link{display:inline-block;color:var(--gold);font-weight:700;margin-top:14px}.text-link:hover{text-decoration:underline}.brand-wall{display:grid;grid-template-columns:repeat(12,1fr);gap:15px}.brand-tile{background:var(--s1);border:1px solid var(--line);border-radius:16px;overflow:hidden;grid-column:span 3}.brand-tile.wide{grid-column:span 6}.brand-tile .copy{padding:18px}.brand-tile h3{margin:0 0 7px;color:var(--gold)}.brand-tile p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}.brand-tile img{aspect-ratio:16/9;object-fit:contain;background:var(--s2)}.brand-tile .media-placeholder{min-height:150px}.reading-steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.reading-steps article{background:var(--s2);border:1px solid var(--line);border-radius:18px;padding:22px;counter-increment:step}.reading-steps article:before{content:"0" counter(step);display:block;color:var(--gold);font-size:25px;font-weight:900;margin-bottom:24px}.reading-steps h3{margin:0 0 9px}.reading-steps p{color:var(--muted);line-height:1.7;margin:0}.split-list{display:grid;grid-template-columns:280px 1fr;gap:26px}.split-nav{position:sticky;top:180px;align-self:start;background:var(--s1);border:1px solid var(--line);border-radius:16px;padding:12px}.split-nav a{display:block;padding:10px 12px;border-radius:10px;color:var(--sub)}.split-nav a:hover{background:var(--s2);color:var(--gold)}.article-stack{display:grid;gap:16px}.article-stack article{padding:24px;background:var(--s1);border:1px solid var(--line);border-radius:16px}.article-stack h2,.article-stack h3{color:var(--gold);margin-top:0}.article-stack p{color:var(--sub);line-height:1.9}.gallery-grid{columns:3 280px;column-gap:18px}.gallery-item{break-inside:avoid;background:var(--s1);border:1px solid var(--line);border-radius:16px;overflow:hidden;margin:0 0 18px}.gallery-item .copy{padding:16px}.gallery-item h3{color:var(--gold);margin:0 0 6px}.gallery-item p{color:var(--muted);line-height:1.65;margin:0}.faq-list{display:grid;gap:12px}.faq-item{background:var(--s1);border:1px solid var(--line);border-radius:15px;overflow:hidden}.faq-q{width:100%;padding:18px 20px;border:0;background:transparent;color:var(--text);display:flex;justify-content:space-between;text-align:left;font-weight:800;cursor:pointer}.faq-q span{color:var(--gold)}.faq-a{padding:0 20px 20px;color:var(--sub);line-height:1.85}.js .faq-item:not(.open) .faq-a{display:none}.cta-row{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:28px;background:var(--s3);border:1px solid var(--strong);border-radius:20px}.cta-row h2{margin:0 0 6px;color:var(--gold)}.cta-row p{margin:0;color:var(--sub)}.site-footer{background:var(--footer);color:var(--foot);border-top:1px solid var(--soft);padding-top:52px}.footer-top{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:34px;padding-bottom:38px}.footer-intro p{color:var(--muted);line-height:1.8;max-width:480px}.footer-brand{display:flex;align-items:center;gap:10px;color:var(--gold);font-size:19px}.footer-top h3{color:var(--gold);font-size:14px}.footer-top a{display:block;color:var(--muted);padding:5px 0;font-size:13px}.footer-top a:hover{color:var(--gold)}.footer-note{display:flex;justify-content:space-between;gap:18px;border-top:1px solid var(--soft);padding:19px 0;color:var(--muted);font-size:12px}.footer-note nav{display:flex;gap:18px}.to-top{position:fixed;right:22px;bottom:22px;width:42px;height:42px;border-radius:50%;border:1px solid var(--strong);background:var(--s2);color:var(--gold);opacity:0;pointer-events:none}.to-top.show{opacity:1;pointer-events:auto}.mobile-overlay,.mobile-panel{display:none}
@media(max-width:1024px){.topline nav,.brand-message,.main-nav,.all-channels,.mega-panel{display:none}.brandbar{height:70px;grid-template-columns:1fr auto}.menu-toggle{display:grid;width:42px;height:42px;place-content:center;gap:5px;background:var(--s2);border:1px solid var(--line);border-radius:13px}.menu-toggle i{display:block;width:18px;height:2px;background:var(--gold)}.channelbar{display:none}.mobile-tabs{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--soft);background:var(--s1)}.mobile-tabs a{text-align:center;padding:11px 4px;color:var(--sub);font-size:13px}.mobile-panel{display:block;position:fixed;z-index:10001;top:0;right:0;width:min(460px,90vw);height:100dvh;background:var(--s1);transform:translateX(105%);transition:.25s;padding:22px;overflow:auto}.mobile-panel.open{transform:none}.mobile-overlay{display:block;position:fixed;z-index:10000;inset:0;background:rgba(0,0,0,.62);opacity:0;pointer-events:none}.mobile-overlay.show{opacity:1;pointer-events:auto}.mobile-head{display:flex;justify-content:space-between;align-items:center;color:var(--gold);margin-bottom:18px}.mobile-head div{display:flex;flex-direction:column}.mobile-head span{color:var(--muted);font-size:11px}.mobile-head button{border:0;background:none;color:var(--gold);font-size:28px}.mobile-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.mobile-grid a{padding:13px;background:var(--s2);border:1px solid var(--line);border-radius:11px;color:var(--sub)}.mobile-login{margin-top:18px;width:100%}.menu-open{overflow:hidden}.nav-hero-grid{grid-template-columns:1fr}.nav-visual{grid-template-columns:1fr 1fr;grid-template-rows:auto}.route-strip{grid-template-columns:repeat(3,1fr)}.editor-board{grid-template-columns:1fr 1fr}.editor-card.main{grid-column:1/-1;grid-row:auto}.app-grid,.reading-steps{grid-template-columns:repeat(2,1fr)}.brand-tile{grid-column:span 4}.brand-tile.wide{grid-column:span 8}.footer-top{grid-template-columns:repeat(2,1fr)}.index-row{grid-template-columns:60px 130px 1fr}.index-row .type{grid-column:3;text-align:left}.split-list{grid-template-columns:1fr}.split-nav{position:static;display:flex;flex-wrap:wrap;gap:5px}}
@media(max-width:768px){.wrap{width:calc(100% - 28px)}.topline{display:none}.brandbar{height:64px;gap:9px}.brand-words strong{font-size:17px}.brand-words small,.plain-link{display:none}.brand-badge{width:38px;height:38px;border-radius:12px}.main-btn{padding:10px 15px;font-size:13px}.section{padding:48px 0}.nav-hero{padding:30px 0 20px}.nav-copy{padding:28px;border-radius:18px}.nav-copy h1{font-size:39px}.nav-copy p{font-size:15px}.nav-visual{grid-template-columns:1fr}.visual-note{grid-template-columns:1fr 1fr 1fr}.nav-visual .visual-card .media-placeholder{min-height:230px}.route-strip{grid-template-columns:1fr 1fr}.section-head{display:block}.section-head p{margin-top:10px}.editor-board,.cards-3,.cards-2,.app-grid,.reading-steps{grid-template-columns:1fr}.editor-card.main h3{font-size:26px}.index-row{grid-template-columns:45px 1fr}.index-row .topic{grid-column:2}.index-row .type{grid-column:2}.dual-feature{grid-template-columns:1fr}.dual-feature .copy{padding:24px}.brand-wall{grid-template-columns:1fr}.brand-tile,.brand-tile.wide{grid-column:auto}.gallery-grid{columns:1}.footer-top{grid-template-columns:1fr}.footer-note{display:block}.footer-note nav{margin-top:8px}.page-hero{padding:36px 0 28px}.page-hero h1{font-size:34px}.cta-row{display:block}.cta-row .main-btn{margin-top:16px}}
@media(max-width:390px){.nav-copy h1{font-size:34px}.route-strip{grid-template-columns:1fr}.mobile-grid{grid-template-columns:1fr 1fr}.visual-note{grid-template-columns:1fr}.header-actions{gap:7px}.header-actions>.main-btn{padding:9px 13px}}