:root{
    --bg:#0B0D10;
    --bg-2:#101319;
    --bg-3:#151922;
    --surface:#171B23;
    --surface-2:#1D222C;
    --surface-3:#242A35;
    --text:#F4F1EA;
    --text-2:#C5C0B7;
    --text-3:#898E98;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.14);
    --primary:#C94F4F;
    --primary-2:#E06A58;
    --primary-soft:rgba(201,79,79,.14);
    --gold:#C9A86A;
    --gold-soft:rgba(201,168,106,.14);
    --ice:#6EA7B9;
    --ice-soft:rgba(110,167,185,.12);
    --success:#6E9B7D;
    --shadow:0 20px 60px rgba(0,0,0,.34);
    --shadow-soft:0 12px 32px rgba(0,0,0,.22);
    --radius:10px;
    --radius-card:16px;
    --radius-large:24px;
    --wrap:1360px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 15% 5%,rgba(201,79,79,.06),transparent 28%),radial-gradient(circle at 85% 12%,rgba(110,167,185,.05),transparent 26%);z-index:-1}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{color:inherit}
.wrap{width:min(calc(100% - 40px),var(--wrap));margin:0 auto}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.skip-link{position:fixed;left:12px;top:12px;z-index:9999;transform:translateY(-160%);padding:10px 14px;border-radius:8px;background:var(--text);color:var(--bg)}
.skip-link:focus{transform:none}
:focus-visible{outline:2px solid var(--ice);outline-offset:3px;border-radius:6px}

.news-strip{height:28px;background:#090A0D;border-bottom:1px solid rgba(255,255,255,.06);color:var(--text-3);font-size:12px;display:flex;align-items:center;overflow:hidden}
.news-strip-inner{display:flex;gap:18px;align-items:center;white-space:nowrap;overflow:hidden}
.news-strip a:hover{color:var(--text)}
.news-label{color:var(--gold);font-weight:700;letter-spacing:.08em}
.site-header{position:sticky;top:0;z-index:70;height:72px;border-bottom:1px solid var(--line);background:rgba(11,13,16,.88);backdrop-filter:blur(18px);transition:box-shadow .2s,border-color .2s}
.site-header.is-scrolled{box-shadow:0 12px 30px rgba(0,0,0,.28);border-color:var(--line-strong)}
.header-inner{height:100%;display:flex;align-items:center;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:760;letter-spacing:.02em;white-space:nowrap}
.brand img{width:36px;height:36px;border-radius:9px;object-fit:cover;border:1px solid var(--line)}
.desktop-nav{display:flex;align-items:stretch;height:100%;gap:4px;min-width:0;flex:1;justify-content:center}
.desktop-nav a{position:relative;display:flex;align-items:center;padding:0 9px;color:#B9BBC2;font-size:14px}
.desktop-nav a:hover,.desktop-nav a.active{color:var(--text)}
.desktop-nav a.active::after{content:"";position:absolute;left:22%;right:22%;bottom:0;height:2px;border-radius:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:7px}
.icon-action,.menu-button,.back-top,.scroll-button,.like-button,.faq-question,.drawer-head button,.search-dialog-head button{border:0;background:transparent;cursor:pointer}
.icon-action,.header-link{height:36px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 11px;border:1px solid var(--line);border-radius:9px;color:var(--text-2);font-size:13px}
.icon-action:hover,.header-link:hover{border-color:var(--line-strong);color:var(--text);background:var(--surface)}
.search-glyph{width:14px;height:14px;border:1.8px solid currentColor;border-radius:50%;position:relative;display:inline-block}
.search-glyph::after{content:"";position:absolute;width:6px;height:1.8px;background:currentColor;right:-5px;bottom:-2px;transform:rotate(45deg);border-radius:2px}
.menu-button{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:9px;padding:9px}
.menu-button span{display:block;height:2px;background:currentColor;margin:4px 0;border-radius:2px}

.mobile-drawer{position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.6);display:flex;justify-content:flex-end}
.mobile-drawer[hidden]{display:none!important}
.drawer-panel{width:min(90vw,420px);height:100%;background:var(--bg-2);border-left:1px solid var(--line);padding:22px;box-shadow:var(--shadow);overflow:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-head button,.search-dialog-head button{width:38px;height:38px;border:1px solid var(--line);border-radius:10px;color:var(--text-2);font-size:22px}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding-top:18px}
.drawer-links a{padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text-2)}
.drawer-links a:hover{border-color:var(--line-strong);color:var(--text)}

.search-modal{
    display:none;
    position:fixed;inset:0;z-index:100;background:rgba(5,6,8,.78);align-items:flex-start;justify-content:center;padding:10vh 20px 30px;backdrop-filter:blur(12px)
}
.search-modal.is-open{
    display:flex;
}
.search-modal[hidden]{
    display:none !important;
}
.search-dialog{width:min(760px,100%);background:var(--bg-2);border:1px solid var(--line-strong);border-radius:20px;box-shadow:var(--shadow);padding:24px}
.search-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}
.search-dialog-head h2{margin:3px 0 0;font-size:28px}
.global-search-form{display:grid;grid-template-columns:1fr auto;gap:10px}
.global-search-form input{width:100%;height:52px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text);padding:0 16px;outline:none}
.global-search-form input:focus{border-color:var(--ice);box-shadow:0 0 0 3px var(--ice-soft)}
.global-search-form button{border:1px solid rgba(201,79,79,.35);background:var(--primary);color:white;border-radius:10px;padding:0 20px;font-weight:700;cursor:pointer}
.search-suggestions{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.search-suggestions a{font-size:13px;color:var(--text-2);padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.search-suggestions a:hover{border-color:var(--ice);color:var(--text)}
.search-quick-results{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.search-quick-results a{padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.search-quick-results span{display:block;color:var(--text-3);font-size:12px;margin-bottom:4px}
.search-quick-results strong{font-size:14px}
body.search-open{overflow:hidden}

main{min-height:70vh}
.page-hero,.home-hero{position:relative;overflow:hidden}
.home-hero{min-height:650px;background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);border-bottom:1px solid var(--line)}
.hero-grid{min-height:650px;display:grid;grid-template-columns:5fr 4fr 3fr;gap:24px;align-items:center;padding:48px 0}
.hero-copy{padding-right:10px}
.hero-copy .eyebrow{margin-bottom:18px}
.hero-copy h1{font-size:clamp(44px,4.8vw,76px);line-height:1.04;letter-spacing:-.045em;margin:0 0 22px;max-width:760px}
.hero-copy>p{color:var(--text-2);font-size:17px;max-width:680px;margin:0 0 26px}
.hero-search{display:grid;grid-template-columns:1fr auto;gap:8px;margin:24px 0 16px}
.hero-search input{height:50px;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:10px;padding:0 14px;outline:none}
.hero-search input:focus{border-color:var(--ice);box-shadow:0 0 0 3px var(--ice-soft)}
.hero-search button{border:0;border-radius:10px;background:var(--primary);color:white;padding:0 18px;font-weight:700;cursor:pointer}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.button-primary,.button-secondary,.button-ice{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 15px;border-radius:9px;border:1px solid var(--line);font-weight:700;font-size:14px}
.button-primary{background:var(--primary);border-color:rgba(255,255,255,.06);color:#fff}
.button-secondary{background:var(--surface);color:var(--text)}
.button-ice{background:var(--ice-soft);border-color:rgba(110,167,185,.26);color:#d8f0f7}
.button-primary:hover{background:var(--primary-2)}
.button-secondary:hover,.button-ice:hover{border-color:var(--line-strong);transform:translateY(-1px)}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.hero-tags a{font-size:12px;color:var(--text-3);padding:5px 9px;border-left:2px solid var(--line-strong);background:rgba(255,255,255,.02)}
.hero-tags a:hover{color:var(--text);border-color:var(--gold)}
.hero-cover{position:relative;align-self:stretch;display:flex;align-items:center;justify-content:center}
.hero-cover-frame{position:relative;width:min(100%,390px);aspect-ratio:4/5;border-radius:22px;overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow);background:var(--surface)}
.hero-cover-frame img{width:100%;height:100%;object-fit:cover}
.hero-cover-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(11,13,16,.78) 100%);pointer-events:none}
.cover-caption{position:absolute;z-index:2;left:18px;right:18px;bottom:18px}
.cover-caption span{font-size:12px;color:var(--gold);letter-spacing:.1em;text-transform:uppercase}
.cover-caption strong{display:block;font-size:20px;line-height:1.3;margin-top:5px}
.hero-rail{align-self:stretch;display:flex;flex-direction:column;justify-content:center;gap:12px}
.hero-rail-title{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:10px;color:var(--text-2)}
.hero-rail-title small{color:var(--success)}
.focus-mini{display:block;padding:13px 0;border-bottom:1px solid var(--line)}
.focus-mini span{font-size:11px;color:var(--primary-2);display:block;margin-bottom:4px}
.focus-mini strong{font-size:15px;line-height:1.45}
.editor-note{margin-top:8px;padding:15px;border:1px solid rgba(201,168,106,.24);background:var(--gold-soft);border-radius:12px;color:var(--text-2)}
.editor-note strong{color:var(--gold)}

.page-hero{padding:72px 0 44px;background:linear-gradient(180deg,var(--bg-2),var(--bg));border-bottom:1px solid var(--line)}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:42px;align-items:center}
.page-hero h1{font-size:clamp(38px,5vw,66px);line-height:1.05;letter-spacing:-.04em;margin:10px 0 18px}
.page-hero p{color:var(--text-2);font-size:17px;max-width:760px}
.page-hero-visual{border:1px solid var(--line);border-radius:20px;overflow:hidden;min-height:280px;background:var(--surface);box-shadow:var(--shadow-soft)}
.page-hero-visual img{width:100%;height:100%;object-fit:cover;min-height:280px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.eyebrow::before{content:"";width:2px;height:15px;background:var(--primary);border-radius:1px}
.page-intro{padding:24px 0 0;color:var(--text-3)}

.content-section{position:relative;padding:72px 0;border-bottom:1px solid var(--line);background:var(--bg)}
.content-section.alt{background:var(--bg-2)}
.content-section.deep{background:var(--bg-3)}
.content-section.compact{padding:52px 0}
.section-shell{width:min(calc(100% - 40px),var(--wrap));margin:0 auto}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:28px}
.section-heading-copy{max-width:820px}
.section-heading h2{margin:7px 0 8px;font-size:clamp(28px,3.2vw,46px);line-height:1.12;letter-spacing:-.035em}
.section-heading p{margin:0;color:var(--text-3);max-width:780px}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--text-2);font-size:13px;font-weight:700;white-space:nowrap}
.text-link span{color:var(--gold);transition:transform .2s}
.text-link:hover{color:var(--text)}
.text-link:hover span{transform:translateX(3px)}

.media-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.media-card,.tutorial-card,.workflow-card,.comment-card,.tool-card,.quick-card,.route-card,.editor-card{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius-card);overflow:hidden;transition:transform .2s,border-color .2s,background .2s}
.media-card:hover,.tutorial-card:hover,.workflow-card:hover,.comment-card:hover,.tool-card:hover,.quick-card:hover,.route-card:hover,.editor-card:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.media-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s}
.media-card:hover .media-thumb img{transform:scale(1.02)}
.card-body{padding:16px}
.card-kicker{display:inline-flex;color:var(--gold);font-size:11px;font-weight:800;letter-spacing:.08em;margin-bottom:7px}
.card-kicker.ice{color:var(--ice)}
.media-card h3,.tutorial-card h3,.workflow-card h3,.comment-card h3,.tool-card h3,.quick-card h3,.route-card h3{margin:0 0 8px;font-size:18px;line-height:1.45}
.media-card p,.tutorial-card p,.workflow-card p,.comment-card p,.tool-card p,.quick-card p,.route-card p{margin:0;color:var(--text-3);font-size:14px}
.meta,.mini-meta{color:var(--text-3);font-size:12px;margin-bottom:8px}

.layout-focus .focus-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.focus-lead{position:relative;min-height:420px;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--surface)}
.focus-lead img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.focus-lead::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(8,10,13,.92))}
.focus-lead-copy{position:absolute;z-index:2;left:26px;right:26px;bottom:26px}
.focus-lead-copy h3{font-size:30px;line-height:1.2;margin:8px 0}
.focus-side{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.focus-side a{padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:14px;display:flex;flex-direction:column;justify-content:space-between;min-height:190px}
.focus-side a:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.focus-side span{color:var(--text-3);font-size:12px}
.focus-side strong{font-size:17px;line-height:1.4}

.layout-editorial-split .editorial-split{display:grid;grid-template-columns:1.15fr .85fr;gap:28px}
.editorial-feature{display:grid;grid-template-columns:1fr 1fr;min-height:360px;border:1px solid var(--line);background:var(--surface);border-radius:20px;overflow:hidden}
.editorial-feature img{width:100%;height:100%;object-fit:cover}
.editorial-feature>div{padding:28px;display:flex;flex-direction:column;justify-content:flex-end}
.editorial-feature h3{font-size:30px;line-height:1.2;margin:8px 0 12px}
.editorial-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.editorial-list a{display:grid;grid-template-columns:48px 1fr auto;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);align-items:center}
.editorial-list a:hover strong{color:var(--gold)}
.editorial-list .num{color:var(--gold);font-family:Georgia,serif;font-size:22px}
.editorial-list small{color:var(--text-3)}

.layout-timeline .timeline{position:relative;max-width:920px;margin-left:8%}
.timeline::before{content:"";position:absolute;left:69px;top:0;bottom:0;width:1px;background:var(--line-strong)}
.timeline-item{display:grid;grid-template-columns:55px 1fr;gap:30px;position:relative;padding:0 0 26px}
.timeline-item::before{content:"";position:absolute;left:65px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 5px var(--primary-soft)}
.timeline-time{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--text-3);font-size:12px;padding-top:2px}
.timeline-copy{padding:0 0 24px 0;border-bottom:1px solid var(--line)}
.timeline-copy span{color:var(--ice);font-size:11px}
.timeline-copy h3{margin:5px 0 6px;font-size:20px}
.timeline-copy small{color:var(--text-3)}

.layout-scroll .scroll-head{display:flex;justify-content:flex-end;gap:8px;margin-top:-56px;margin-bottom:20px}
.scroll-button{width:40px;height:40px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--text-2)}
.horizontal-strip{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,320px);gap:14px;overflow:auto;scroll-snap-type:x mandatory;padding-bottom:10px;scrollbar-width:thin}
.horizontal-strip .media-card{scroll-snap-align:start}

.layout-dual-rank .dual-rank{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.rank-panel{border:1px solid var(--line);background:var(--surface);border-radius:18px;padding:22px}
.rank-panel h3{margin:0 0 14px;font-size:22px}
.rank-list{list-style:none;margin:0;padding:0}
.rank-list li{display:grid;grid-template-columns:54px 1fr;gap:12px;padding:14px 0;border-top:1px solid var(--line);align-items:start}
.rank-no{font-family:Georgia,serif;font-size:25px;color:var(--gold)}
.rank-list a{font-weight:700;line-height:1.4}
.rank-list a:hover{color:var(--gold)}

.layout-staggered .staggered-grid{columns:4 250px;column-gap:14px}
.staggered-grid .media-card{break-inside:avoid;margin-bottom:14px}
.staggered-grid .media-card:nth-child(3n+1) .media-thumb{aspect-ratio:4/5}
.staggered-grid .media-card:nth-child(3n+2) .media-thumb{aspect-ratio:1/1}

.layout-magazine .magazine-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.magazine-copy{padding:28px;border:1px solid var(--line);background:var(--surface);border-radius:18px}
.magazine-copy h3{font-size:28px;margin:0 0 10px}
.magazine-copy p{color:var(--text-2)}
.magazine-notes{display:grid;gap:12px}
.magazine-notes a{display:block;padding:16px;border-left:2px solid var(--primary);background:var(--surface);border-radius:0 12px 12px 0}
.magazine-notes a:hover{background:var(--surface-2)}

.layout-tag-wall .tag-wall,.tag-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.tag-wall a{padding:18px;border:1px solid var(--line);background:var(--surface);border-radius:14px;min-height:120px}
.tag-wall a:hover{border-color:var(--gold);transform:translateY(-2px)}
.tag-wall strong{display:block;margin-bottom:8px}
.tag-wall span{display:block;color:var(--text-3);font-size:13px}

.layout-banner .feature-band{position:relative;min-height:360px;border:1px solid rgba(201,168,106,.2);border-radius:24px;overflow:hidden;background:var(--bg-3);display:grid;grid-template-columns:1.1fr .9fr;box-shadow:var(--shadow-soft)}
.feature-band-copy{padding:42px;align-self:center;z-index:2}
.feature-band-copy h3{font-size:clamp(30px,4vw,52px);line-height:1.08;margin:8px 0 14px}
.feature-band-copy p{color:var(--text-2);max-width:680px}
.feature-band-media{position:relative;min-height:320px;overflow:hidden}
.feature-band-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feature-band-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--bg-3),transparent 55%)}

.layout-process .process-line{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.process-step{position:relative;padding:16px 12px;border:1px solid var(--line);background:var(--surface);border-radius:12px;min-height:108px}
.process-step::after{content:"→";position:absolute;right:-11px;top:40%;color:var(--text-3);z-index:2}
.process-step:last-child::after{display:none}
.process-step span{color:var(--gold);font-family:ui-monospace,monospace;font-size:11px}
.process-step strong{display:block;margin-top:9px;font-size:14px}

.layout-learning .route-grid,.route-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.route-card{padding:18px}
.route-card ol{margin:14px 0 18px;padding-left:22px;color:var(--text-3);font-size:13px}
.route-card li{margin:5px 0}

.layout-quickcards .quick-grid,.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.quick-card{position:relative;padding:18px;min-height:145px}
.quick-card>a{position:absolute;right:16px;bottom:12px;color:var(--gold);font-size:22px}

.layout-case-row .case-stack,.case-stack{display:grid;gap:12px}
.case-card{display:grid;grid-template-columns:160px 1fr;border:1px solid var(--line);background:var(--surface);border-radius:16px;overflow:hidden}
.case-label{display:flex;align-items:center;justify-content:center;background:var(--surface-2);color:var(--gold);font-weight:800;padding:18px;text-align:center}
.case-main{padding:20px}
.case-main h3{margin:0 0 14px;font-size:22px}
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}
.case-grid p{margin:0;color:var(--text-3);font-size:13px}
.case-grid strong{display:block;color:var(--text-2);font-size:11px;margin-bottom:5px}

.layout-workflow .workflow-grid,.workflow-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.workflow-card{padding:22px}
.node-line{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0}
.node-line span{position:relative;padding:6px 9px;border:1px solid var(--line);border-radius:7px;color:var(--text-3);font-size:11px}
.node-line span.current{border-color:var(--ice);background:var(--ice-soft);color:#d8f0f7}
.decision{padding-top:12px;border-top:1px solid var(--line)}
.decision strong{color:var(--text-2)}

.layout-comments .comment-grid,.comment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.comment-card{padding:18px}
.comment-top,.comment-foot{display:flex;align-items:center;justify-content:space-between;gap:12px}
.comment-foot{margin-top:16px;padding-top:12px;border-top:1px solid var(--line);font-size:12px;color:var(--text-3)}
.like-button{border:1px solid var(--line);border-radius:8px;padding:5px 9px;color:var(--text-2)}
.like-button.is-liked{border-color:rgba(201,79,79,.45);background:var(--primary-soft);color:#ffb8b0}

.layout-checklist .checklist-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.checklist{border:1px solid var(--line);border-radius:18px;background:var(--surface);padding:22px}
.checklist h3{margin:0 0 14px}
.checklist ul{list-style:none;margin:0;padding:0}
.checklist li{position:relative;padding:10px 0 10px 28px;border-top:1px solid var(--line);color:var(--text-2)}
.checklist li::before{content:"✓";position:absolute;left:0;color:var(--success)}

.layout-tools .tool-grid,.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tool-card{display:grid;grid-template-columns:38px 1fr;gap:14px;padding:18px}
.tool-icon{width:34px;height:34px;border:1px solid var(--ice);border-radius:10px;position:relative;background:var(--ice-soft)}
.tool-icon::before,.tool-icon::after{content:"";position:absolute;background:var(--ice);border-radius:2px}
.tool-icon::before{width:14px;height:2px;left:9px;top:11px}
.tool-icon::after{width:2px;height:14px;left:15px;top:5px;opacity:.55}
.tool-card dl{display:grid;grid-template-columns:42px 1fr;gap:5px 8px;font-size:12px;margin:12px 0;color:var(--text-3)}
.tool-card dt{color:var(--ice)}
.tool-card dd{margin:0}

.layout-faq .faq-list,.faq-list{max-width:980px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item h3{margin:0}
.faq-question{width:100%;padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;color:var(--text);font-weight:700}
.faq-plus{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;color:var(--gold);font-size:20px;flex:0 0 auto}
.faq-answer{display:block;padding:0 0 20px;color:var(--text-3)}
.js .faq-answer{display:none}
.js .faq-item.is-open .faq-answer{display:block}
.js .faq-item.is-open .faq-plus{transform:rotate(45deg)}

.topic-copy{display:grid;grid-template-columns:92px minmax(0,1fr) minmax(220px,.42fr);gap:24px;align-items:start}
.topic-copy>p{margin:0;color:var(--text-2);font-size:17px}
.topic-index{font-family:Georgia,serif;font-size:42px;color:rgba(201,168,106,.72);line-height:1}
.topic-copy aside{padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text-3);font-size:13px}
.topic-copy aside span{display:block;color:var(--ice);font-size:11px;margin-bottom:5px}

.tutorial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tutorial-card{padding:18px}
.tutorial-meta{display:flex;align-items:center;justify-content:space-between;color:var(--text-3);font-size:11px;margin-bottom:12px}
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 24px}
.filter-bar a,.filter-bar button{border:1px solid var(--line);background:var(--surface);color:var(--text-2);padding:8px 11px;border-radius:8px;cursor:pointer}
.filter-bar a.active,.filter-bar button.active{border-color:var(--ice);background:var(--ice-soft);color:#d8f0f7}

.search-results{display:grid;gap:10px}
.search-result{display:grid;grid-template-columns:110px 1fr auto;gap:18px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.search-result .type{color:var(--gold);font-size:12px}
.search-result h2{font-size:20px;margin:0 0 5px}
.search-result p{margin:0;color:var(--text-3)}
.empty-state{padding:30px;border:1px dashed var(--line-strong);border-radius:16px;color:var(--text-3)}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:24px}
.stat-card{padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.stat-card strong{display:block;color:var(--text);font-size:18px}.stat-card span{color:var(--text-3);font-size:12px}

.site-footer{background:linear-gradient(180deg,#11141A 0%,#090B0E 100%);border-top:1px solid rgba(255,255,255,.08);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}
.footer-brand p{color:rgba(255,255,255,.54);max-width:330px;font-size:13px}
.footer-grid h2{font-size:13px;margin:0 0 13px;color:var(--text)}
.footer-grid>div>a:not(.brand){display:block;color:rgba(255,255,255,.68);font-size:13px;margin:8px 0}
.footer-grid>div>a:hover{color:var(--gold)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:34px;padding-top:20px;border-top:1px solid var(--line);color:rgba(255,255,255,.48);font-size:12px}
.footer-bottom div{display:flex;gap:16px}
.footer-bottom a:hover{color:var(--text)}
.mobile-bottom-nav{display:none}
.back-top{position:fixed;right:20px;bottom:20px;z-index:45;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:rgba(23,27,35,.9);backdrop-filter:blur(8px);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
.back-top.is-visible{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .45s ease,transform .45s ease}
.js .reveal.is-visible{opacity:1;transform:none}

@media (max-width:1200px){
  .desktop-nav a{padding:0 6px;font-size:13px}.header-link{display:none}
  .hero-grid{grid-template-columns:1.05fr .9fr}.hero-rail{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.hero-rail-title,.editor-note{grid-column:1/-1}
  .media-grid{grid-template-columns:repeat(3,1fr)}.layout-learning .route-grid,.route-grid{grid-template-columns:repeat(3,1fr)}
  .layout-process .process-line{grid-template-columns:repeat(4,1fr)}.process-step:nth-child(4)::after,.process-step:last-child::after{display:none}
}
@media (max-width:1024px){
  .desktop-nav{display:none}.menu-button{display:block}
  .page-hero-grid{grid-template-columns:1fr .75fr}.layout-staggered .staggered-grid{columns:3 230px}
  .layout-comments .comment-grid,.comment-grid,.layout-tools .tool-grid,.tool-grid{grid-template-columns:repeat(2,1fr)}
  .tutorial-grid{grid-template-columns:repeat(2,1fr)}.tag-wall{grid-template-columns:repeat(3,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .home-hero{min-height:auto}.hero-grid{grid-template-columns:1fr;padding:42px 0}.hero-copy{order:1}.hero-cover{order:2;min-height:520px}.hero-rail{order:3;display:block}.hero-cover-frame{width:min(86vw,390px)}
  .layout-focus .focus-grid,.layout-editorial-split .editorial-split,.layout-dual-rank .dual-rank,.layout-magazine .magazine-grid,.layout-banner .feature-band,.page-hero-grid{grid-template-columns:1fr}
  .feature-band-media::after{background:linear-gradient(180deg,var(--bg-3),transparent 55%)}
  .layout-learning .route-grid,.route-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}
}
@media (max-width:768px){
  .wrap,.section-shell{width:min(calc(100% - 28px),var(--wrap))}.news-strip{height:26px}.site-header{height:64px}
  .action-text{display:none}.header-actions{gap:5px}.icon-action{width:40px;padding:0}
  .hero-copy h1{font-size:44px}.hero-copy>p{font-size:15px}.hero-cover{min-height:470px}.home-hero{border-bottom:0}
  .content-section{padding:54px 0}.section-heading{align-items:flex-start;flex-direction:column;gap:12px}.section-heading h2{font-size:32px}
  .media-grid{grid-template-columns:repeat(2,1fr)}.focus-side{grid-template-columns:1fr}.focus-lead{min-height:380px}
  .layout-staggered .staggered-grid{columns:2 220px}.layout-process .process-line{grid-template-columns:repeat(2,1fr)}.process-step:nth-child(even)::after{display:none}
  .layout-quickcards .quick-grid,.quick-grid{grid-template-columns:repeat(2,1fr)}.tag-wall{grid-template-columns:repeat(2,1fr)}
  .topic-copy{grid-template-columns:64px 1fr}.topic-copy aside{grid-column:2}.topic-index{font-size:32px}
  .case-card{grid-template-columns:1fr}.case-label{justify-content:flex-start}.search-quick-results{grid-template-columns:1fr}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:1/-1}
  .mobile-bottom-nav{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:60;grid-template-columns:repeat(5,1fr);padding:7px max(8px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));background:rgba(11,13,16,.95);backdrop-filter:blur(16px);border-top:1px solid var(--line)}
  .mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:10px;color:var(--text-3)}.mobile-bottom-nav a span{font-size:16px;color:var(--text-2)}
  body{padding-bottom:calc(58px + env(safe-area-inset-bottom))}.back-top{bottom:calc(76px + env(safe-area-inset-bottom))}
}
@media (max-width:600px){
  .hero-search,.global-search-form{grid-template-columns:1fr}.hero-search button,.global-search-form button{min-height:44px}.hero-actions{display:grid;grid-template-columns:1fr}.button-primary,.button-secondary,.button-ice{width:100%}
  .media-grid,.tutorial-grid,.layout-comments .comment-grid,.comment-grid,.layout-tools .tool-grid,.tool-grid,.layout-workflow .workflow-grid,.workflow-grid,.layout-checklist .checklist-grid{grid-template-columns:1fr}
  .layout-staggered .staggered-grid{columns:auto}.staggered-grid .media-card .media-thumb{aspect-ratio:16/10!important}
  .layout-learning .route-grid,.route-grid,.layout-quickcards .quick-grid,.quick-grid,.tag-wall{grid-template-columns:1fr}
  .timeline{margin-left:0!important}.timeline::before{left:52px}.timeline-item{grid-template-columns:40px 1fr;gap:26px}.timeline-item::before{left:48px}
  .editorial-feature{grid-template-columns:1fr}.editorial-feature img{aspect-ratio:16/10}.case-grid{grid-template-columns:1fr}.search-result{grid-template-columns:1fr;gap:6px}
  .footer-grid{grid-template-columns:1fr}.footer-grid>div{grid-column:auto!important}.footer-bottom{align-items:flex-start;flex-direction:column}.footer-bottom div{flex-wrap:wrap}
  .drawer-links{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
  .js .reveal{opacity:1;transform:none}
}