/* roulang page: index */
:root{
  --ink:#252a26;
  --ink-soft:#3b433c;
  --paper:#f4f2ec;
  --surface:#fbfaf6;
  --sand:#e8e3d8;
  --line:#cbd0c2;
  --line-dark:#9da796;
  --primary:#697b54;
  --primary-deep:#41543b;
  --signal:#b76546;
  --muted:#777c72;
  --white:#fffefa;
  --danger:#a94e42;
  --radius:14px;
  --shadow:0 14px 34px rgba(37,42,38,.08);
  --ease:220ms ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
:focus-visible{outline:3px solid rgba(105,123,84,.42);outline-offset:3px}
.container{width:min(1200px,calc(100% - 64px));margin:auto}
.site-header{height:72px;position:sticky;top:0;z-index:20;background:rgba(244,242,236,.94);border-bottom:1px solid transparent;backdrop-filter:blur(10px);transition:var(--ease)}
.site-header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(37,42,38,.05)}
.navbar{height:72px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;min-width:250px;font-weight:750;letter-spacing:-.03em}
.logo-mark{width:28px;height:28px;background:var(--primary);clip-path:polygon(0 0,78% 0,100% 22%,100% 100%,22% 100%,0 78%);position:relative}
.logo-mark:after{content:"";position:absolute;right:5px;top:5px;width:7px;height:7px;background:var(--signal)}
.nav-links{display:flex;align-items:center;gap:6px;flex:1}
.nav-links a{padding:8px 13px;border-radius:8px;color:var(--muted);font-size:14px;transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--primary-deep);background:#e6e9df}
.nav-tools{display:flex;align-items:center;gap:10px}
.command-search{height:40px;width:190px;display:flex;align-items:center;gap:8px;padding:0 10px;border:1px solid var(--line);background:var(--surface);border-radius:9px;color:var(--muted)}
.command-search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:13px}
.keycap{border:1px solid var(--line);border-radius:4px;padding:0 5px;font-size:11px;line-height:20px;color:var(--muted)}
.icon-button{width:40px;height:40px;border:1px solid var(--line);background:var(--surface);border-radius:9px;color:var(--ink-soft);transition:var(--ease)}
.icon-button:hover{border-color:var(--primary);color:var(--primary-deep);transform:translateY(-2px)}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1px solid transparent;border-radius:9px;padding:11px 18px;font-weight:650;font-size:14px;transition:var(--ease)}
.btn-primary{background:var(--primary-deep);color:var(--white)}
.btn-primary:hover{background:#33472f;transform:translateY(-2px);box-shadow:0 7px 15px rgba(65,84,59,.2)}
.btn-secondary{background:transparent;border-color:var(--line-dark);color:var(--ink-soft)}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary-deep);background:#edf0e8}
.menu-toggle{display:none}
.hero{position:relative;padding:74px 0 42px;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;opacity:.42;pointer-events:none;background-image:linear-gradient(rgba(105,123,84,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(105,123,84,.1) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(90deg,#000,transparent 80%)}
.hero-layout{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:end}
.eyebrow,.section-kicker{display:flex;align-items:center;gap:10px;color:var(--primary-deep);font-size:12px;font-weight:750;letter-spacing:.12em;text-transform:uppercase}
.eyebrow:before,.section-kicker:before{content:"01";color:var(--signal);font-family:monospace}
.hero h1{font-size:clamp(38px,5.2vw,64px);line-height:1.16;letter-spacing:-.055em;margin:18px 0 22px;max-width:650px}
.hero h1 span{color:var(--primary-deep);display:block}
.hero-copy{max-width:680px;color:var(--muted);font-size:17px;line-height:1.9}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.trust-line{display:flex;gap:18px;flex-wrap:wrap;margin-top:24px;color:var(--muted);font-size:13px}
.trust-line b{color:var(--primary-deep);margin-right:5px}
.dashboard{background:var(--ink);color:var(--white);padding:22px;border-radius:16px;box-shadow:var(--shadow);position:relative}
.dashboard:after{content:"INDEX / 2026";position:absolute;right:20px;top:18px;color:#a6b19c;font:11px monospace;letter-spacing:.08em}
.dash-head{display:flex;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid #4b554b;color:#c8cec3;font-size:13px}
.live{color:#c9d5ba}.live:before{content:"";display:inline-block;width:7px;height:7px;background:var(--signal);border-radius:50%;margin-right:7px}
.metrics{display:grid;grid-template-columns:1.2fr .8fr;gap:1px;background:#4b554b;margin-top:1px}
.metric{background:var(--ink);min-height:128px;padding:20px 15px;display:flex;flex-direction:column;justify-content:space-between}
.metric:first-child{grid-row:span 2;min-height:257px}
.metric strong{font:700 42px/1 monospace;color:#dce3d4}
.metric:first-child strong{font-size:68px;color:#cbd9bb}
.metric small{color:#a6b19c;font-size:12px}
.metric-bar{height:4px;background:#4b554b;margin-top:10px}
.metric-bar i{display:block;height:100%;background:var(--primary);width:74%}
.section{padding:88px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}
.section-head h2{font-size:clamp(28px,3.5vw,42px);line-height:1.25;letter-spacing:-.04em;margin-top:10px}
.section-head p{max-width:520px;color:var(--muted);font-size:15px}
.matrix{display:grid;grid-template-columns:1.45fr .8fr .8fr;grid-template-rows:auto auto;gap:14px}
.panel-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:25px;position:relative;transition:var(--ease);overflow:hidden}
.panel-card:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow)}
.panel-card.main{grid-row:span 2;background:var(--ink);color:var(--white);min-height:360px}
.panel-card.main p{color:#c2cabd}
.card-no{font:12px monospace;color:var(--signal);letter-spacing:.08em}
.panel-card h3{font-size:22px;line-height:1.35;margin:36px 0 10px}
.panel-card p{font-size:14px;color:var(--muted);line-height:1.8}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px}
.tag{display:inline-flex;padding:3px 9px;border:1px solid var(--line);border-radius:5px;color:var(--muted);font-size:12px}
.main .tag{border-color:#596653;color:#cbd5c3}
.arrow-link{display:inline-flex;margin-top:24px;color:var(--primary-deep);font-size:13px;font-weight:700;transition:var(--ease)}
.arrow-link:after{content:"→";margin-left:8px}.arrow-link:hover{gap:5px}
.main .arrow-link{color:#d0ddb9}
.matrix-note{grid-column:1/-1;padding:15px 20px;background:#e9ede3;border-left:4px solid var(--signal);color:var(--ink-soft);font-size:14px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.compare-panel{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.compare-panel.good{background:#e8eee1;border-color:#b5c4a7}
.compare-label{font-size:13px;color:var(--muted);display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px}
.compare-panel h3{font-size:22px;margin:17px 0 20px}
.compare-list{list-style:none}.compare-list li{display:grid;grid-template-columns:22px 1fr 72px;gap:8px;align-items:center;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px}
.status{color:var(--signal);font-weight:bold}.good .status{color:var(--primary-deep)}
.progress{height:4px;background:#d5d8ce;border-radius:3px}.progress i{display:block;height:100%;background:var(--primary);width:62%}.good .progress i{width:88%;background:var(--primary-deep)}
.topic-section{background:var(--sand)}
.topic-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:20px;align-items:stretch}
.feature-topic{background:var(--ink);color:var(--white);border-radius:var(--radius);padding:32px;min-height:300px;display:flex;flex-direction:column;justify-content:end}
.feature-topic h3{font-size:28px;line-height:1.35;margin:13px 0}.feature-topic p{color:#c7cec0;font-size:14px}
.news-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 24px}
.news-item{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.news-item:last-child{border-bottom:0}.news-item div{min-width:0}.news-item b{font-size:16px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.news-item p{color:var(--muted);font-size:13px;margin-top:3px}.news-item time{font:12px monospace;color:var(--signal);white-space:nowrap}
.data-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);overflow:hidden}
.data-cell{padding:25px;border-right:1px solid var(--line)}.data-cell:last-child{border:0}.data-cell strong{display:block;font-size:31px;color:var(--primary-deep);font-family:monospace}.data-cell span{font-size:13px;color:var(--muted)}
.guide{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:start}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.step{border-top:3px solid var(--primary);padding:17px 14px;background:var(--surface);border-radius:0 0 10px 10px}.step b{font:13px monospace;color:var(--signal)}.step h3{font-size:18px;margin:20px 0 8px}.step p{font-size:13px;color:var(--muted)}
.faq-section{background:#e9e5dc}.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px}.faq-intro p{color:var(--muted);font-size:15px;margin-top:16px}.faq-list details{background:var(--surface);border:1px solid var(--line);margin-bottom:9px;border-radius:10px}.faq-list summary{list-style:none;padding:18px 20px;font-weight:650;cursor:pointer;display:flex;justify-content:space-between}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";color:var(--signal);font-size:22px;line-height:1}.faq-list details[open] summary:after{content:"−"}.faq-answer{padding:0 20px 19px;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}
.cta-section{padding-top:70px}.cta-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;background:var(--primary-deep);color:var(--white);border-radius:16px;padding:38px}.cta-box h2{font-size:32px;line-height:1.35}.cta-box p{color:#d2dac9;font-size:14px;margin-top:13px}.flow{display:flex;gap:12px;margin-top:24px}.flow span{font-size:12px;color:#d2dac9;border-left:2px solid var(--signal);padding-left:9px}
.form-card{background:var(--surface);color:var(--ink);border-radius:12px;padding:25px;display:grid;grid-template-columns:1fr 1fr;gap:15px}
.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:650}.required{color:var(--signal)}.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:8px;background:#fffefa;padding:10px 12px;outline:0;color:var(--ink);transition:var(--ease)}.field textarea{min-height:92px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(105,123,84,.12)}.privacy{grid-column:1/-1;color:var(--muted);font-size:12px}.form-card .btn{grid-column:1/-1}.form-note{grid-column:1/-1;font-size:12px;color:var(--muted);display:none}.form-note.show{display:block;color:var(--primary-deep)}
.site-footer{background:var(--ink);color:#e6e9df;padding:48px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:45px}.footer-brand p{color:#aeb7aa;font-size:13px;max-width:300px;margin-top:13px}.footer-title{font-size:13px;color:#cbd5c3;margin-bottom:14px}.footer-links{display:flex;flex-direction:column;gap:8px}.footer-links a{color:#aeb7aa;font-size:13px;transition:var(--ease)}.footer-links a:hover{color:#d6e3c1;text-decoration:underline;text-underline-offset:4px}.footer-bottom{border-top:1px solid #454e45;margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;color:#899287;font-size:12px}.top-link{color:#c5d3b4}
@media(max-width:1050px){.logo{min-width:auto}.nav-tools .command-search{width:155px}.navbar{gap:16px}.hero-layout{gap:30px}}
@media(max-width:767px){.container{width:calc(100% - 32px)}.site-header,.navbar{height:60px}.navbar{justify-content:space-between}.nav-links,.nav-tools .command-search{display:none}.nav-tools{margin-left:auto}.nav-tools .icon-button{display:none}.navbar>.btn{display:none}.menu-toggle{display:block;width:42px;height:40px;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-size:20px}.mobile-open .nav-links{display:flex;position:absolute;top:60px;left:0;right:0;padding:14px 16px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.mobile-open .nav-links a{padding:12px}.mobile-open .nav-tools{position:absolute;top:205px;left:16px;right:16px}.mobile-open .nav-tools .command-search{display:flex;width:100%;background:var(--surface)}.mobile-open .navbar{height:60px}.hero{padding:48px 0 30px}.hero-layout,.topic-grid,.guide,.faq-layout,.cta-box{grid-template-columns:1fr}.hero h1{font-size:38px}.hero-copy{font-size:15px}.dashboard{margin-top:12px}.section{padding:60px 0}.section-head{display:block;margin-bottom:24px}.section-head p{margin-top:13px}.matrix{grid-template-columns:1fr}.panel-card.main{grid-row:auto;min-height:290px}.matrix-note{grid-column:auto}.compare{grid-template-columns:1fr}.data-strip{grid-template-columns:1fr 1fr}.data-cell:nth-child(2){border-right:0}.data-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}.steps{grid-template-columns:1fr}.form-card{grid-template-columns:1fr}.field.full,.privacy,.form-card .btn,.form-note{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}
@media(max-width:420px){.hero h1{font-size:32px}.hero-actions .btn{width:100%}.metrics{grid-template-columns:1fr 1fr}.metric{min-height:112px;padding:15px 11px}.metric:first-child{min-height:225px}.metric strong{font-size:31px}.metric:first-child strong{font-size:48px}.news-item{display:block}.news-item time{display:block;margin-top:6px}.footer-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
 --ink:#252a26;
 --ink-soft:#3b433c;
 --paper:#f4f2ec;
 --surface:#fbfaf6;
 --sand:#e8e3d8;
 --line:#cbd0c2;
 --line-dark:#9da796;
 --primary:#697b54;
 --primary-deep:#41543b;
 --signal:#b76546;
 --muted:#777c72;
 --white:#fffefa;
 --danger:#a94e42;
 --radius:14px;
 --shadow:0 14px 34px rgba(37,42,38,.08);
 --ease:220ms ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(1200px,calc(100% - 64px));margin:auto}
.site-header{height:72px;position:sticky;top:0;z-index:20;background:rgba(244,242,236,.94);border-bottom:1px solid transparent;backdrop-filter:blur(10px);transition:var(--ease)}
.site-header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(37,42,38,.05)}
.navbar{height:72px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;min-width:250px;font-weight:750;letter-spacing:-.03em}
.logo-mark{width:28px;height:28px;background:var(--primary);clip-path:polygon(0 0,78% 0,100% 22%,100% 100%,22% 100%,0 78%);position:relative}
.logo-mark:after{content:"";position:absolute;right:5px;top:5px;width:7px;height:7px;background:var(--signal)}
.nav-links{display:flex;align-items:center;gap:6px;flex:1}
.nav-links a{padding:8px 13px;border-radius:8px;color:var(--muted);font-size:14px;transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--primary-deep);background:#e6e9df}
.nav-tools{display:flex;align-items:center;gap:10px}
.command-search{height:40px;width:190px;display:flex;align-items:center;gap:8px;padding:0 10px;border:1px solid var(--line);background:var(--surface);border-radius:9px;color:var(--muted)}
.command-search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:13px}
.command-search kbd{font:11px monospace;color:var(--line-dark);white-space:nowrap}
.icon-button{width:40px;height:40px;border:1px solid var(--line);background:var(--surface);border-radius:9px;color:var(--ink-soft);transition:var(--ease)}
.icon-button:hover{border-color:var(--primary);color:var(--primary-deep);transform:translateY(-2px)}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1px solid transparent;border-radius:9px;padding:11px 18px;font-weight:650;font-size:14px;transition:var(--ease)}
.btn-primary{background:var(--primary-deep);color:var(--white)}
.btn-primary:hover{background:#33472f;transform:translateY(-2px);box-shadow:0 7px 15px rgba(65,84,59,.2)}
.btn-secondary{background:transparent;border-color:var(--line-dark);color:var(--ink-soft)}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary-deep);background:#edf0e8}
.btn:focus-visible,.icon-button:focus-visible,.nav-links a:focus-visible,.footer-links a:focus-visible,.top-link:focus-visible,summary:focus-visible{outline:3px solid rgba(183,101,70,.4);outline-offset:3px}
.menu-toggle{display:none}
.page-hero{position:relative;padding:65px 0 52px;border-bottom:1px solid var(--line);overflow:hidden}
.page-hero:before{content:"";position:absolute;inset:0;opacity:.38;pointer-events:none;background-image:linear-gradient(rgba(105,123,84,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(105,123,84,.1) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(90deg,#000,transparent 83%)}
.breadcrumb{position:relative;display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}
.breadcrumb a:hover{color:var(--primary-deep)}
.breadcrumb span{color:var(--line-dark)}
.hero-layout{position:relative;display:grid;grid-template-columns:5fr 7fr;gap:58px;align-items:center}
.eyebrow,.section-kicker{display:flex;align-items:center;gap:10px;color:var(--primary-deep);font-size:12px;font-weight:750;letter-spacing:.12em}
.eyebrow:before,.section-kicker:before{content:"01";color:var(--signal);font-family:monospace}
.page-hero h1{font-size:clamp(38px,5vw,62px);line-height:1.16;letter-spacing:-.055em;margin:17px 0 20px}
.page-hero h1 span{color:var(--primary-deep)}
.hero-copy{color:var(--muted);font-size:16px;line-height:1.9;max-width:590px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:27px;color:var(--muted);font-size:13px}
.hero-meta strong{color:var(--ink);font-family:monospace;font-size:15px}
.hero-art{min-height:330px;position:relative;background:var(--ink);border-radius:var(--radius);padding:26px;color:var(--white);transform:translateY(10px) rotate(1.3deg);box-shadow:var(--shadow);overflow:hidden}
.hero-art:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(197,209,184,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(197,209,184,.13) 1px,transparent 1px);background-size:28px 28px}
.art-top,.art-bottom,.art-index,.art-bars{position:relative;z-index:1}
.art-top{display:flex;justify-content:space-between;color:#c8d0c1;font:12px monospace;letter-spacing:.08em}
.art-index{margin-top:54px;font:700 76px/1 monospace;color:#d5ddc9;letter-spacing:-.1em}
.art-index em{font-style:normal;color:var(--signal)}
.art-bars{display:grid;gap:9px;margin-top:40px;max-width:310px}
.art-bars i{height:6px;background:#687a55;display:block}
.art-bars i:nth-child(2){width:72%;background:#b76546}
.art-bars i:nth-child(3){width:86%;background:#aebba0}
.art-bottom{position:absolute;bottom:25px;left:26px;right:26px;display:flex;justify-content:space-between;border-top:1px solid #596653;padding-top:12px;color:#b9c3b3;font-size:12px}
.section{padding:78px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
.section-head h2{font-size:clamp(28px,3.5vw,40px);line-height:1.25;letter-spacing:-.04em;margin-top:10px}
.section-head p{max-width:520px;color:var(--muted);font-size:15px}
.filter-bar{display:flex;gap:12px;align-items:center;padding:15px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:30px}
.filter-input{height:42px;display:flex;align-items:center;gap:9px;flex:1;min-width:190px;padding:0 13px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--muted)}
.filter-input input{border:0;outline:0;background:transparent;width:100%;color:var(--ink);font-size:14px}
.filter-bar select{height:42px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink-soft);padding:0 13px;min-width:145px;outline:0}
.filter-bar select:focus{border-color:var(--primary)}
.filter-count{font-size:13px;color:var(--muted);white-space:nowrap;padding:0 8px}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:22px;align-items:start}
.feature-card{display:grid;grid-template-columns:38% 62%;background:var(--ink);color:var(--white);border-radius:var(--radius);overflow:hidden;min-height:265px;margin-bottom:18px;transition:var(--ease)}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.feature-visual{position:relative;background:#596750;min-height:265px;padding:22px;display:flex;align-items:end}
.feature-visual:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(135deg,transparent 0 14px,rgba(255,255,255,.08) 15px 16px)}
.feature-visual strong{position:relative;font:700 58px/1 monospace;color:#e0e6d8}
.feature-copy{padding:27px 30px}
.feature-copy .tag{border-color:#687963;color:#d1dac9}
.feature-copy h3{font-size:25px;line-height:1.35;margin:17px 0 9px}
.feature-copy p{color:#c5cec0;font-size:14px;line-height:1.8}
.content-list{display:grid;gap:10px}
.content-item{display:grid;grid-template-columns:58px 1fr 90px;gap:18px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px 22px;transition:var(--ease)}
.content-item:hover{border-color:var(--primary);transform:translateX(3px);box-shadow:0 8px 18px rgba(37,42,38,.06)}
.item-no{color:var(--signal);font:12px monospace}
.content-item h3{font-size:17px;line-height:1.45;margin-bottom:4px}
.content-item p{font-size:13px;color:var(--muted);line-height:1.7}
.item-meta{text-align:right;color:var(--muted);font:12px monospace}
.item-arrow{display:block;color:var(--primary-deep);font-size:20px;margin-top:6px}
.side-index{display:grid;gap:16px}
.side-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.side-panel h3{font-size:17px;margin-bottom:15px}
.side-panel ul{list-style:none;display:grid;gap:8px}
.side-panel li{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:13px;padding:8px 0;border-bottom:1px dashed var(--line)}
.side-panel li:last-child{border-bottom:0}
.side-panel li span:last-child{color:var(--signal);font-family:monospace}
.side-tags{display:flex;flex-wrap:wrap;gap:7px}
.tag{display:inline-flex;padding:3px 9px;border:1px solid var(--line);border-radius:5px;color:var(--muted);font-size:12px}
.side-tags .tag:hover{border-color:var(--primary);color:var(--primary-deep)}
.pagination{display:flex;align-items:center;gap:8px;margin-top:27px;color:var(--muted);font-size:13px}
.page-number,.page-next{min-width:38px;height:38px;border:1px solid var(--line);border-radius:8px;display:inline-flex;align-items:center;justify-content:center;transition:var(--ease)}
.page-number:hover,.page-next:hover{border-color:var(--primary);color:var(--primary-deep)}
.page-number.current{background:var(--primary-deep);border-color:var(--primary-deep);color:var(--white)}
.pagination small{margin-left:8px}
.faq-band{background:var(--sand)}
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
.faq-intro p{color:var(--muted);font-size:15px;margin-top:18px;max-width:360px}
.faq-list{display:grid;gap:8px}
details{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:0 20px}
summary{list-style:none;cursor:pointer;padding:17px 28px 17px 0;font-weight:650;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:0;color:var(--primary-deep);font-size:22px;top:13px;transition:var(--ease)}
details[open] summary:after{content:"−";transform:rotate(180deg)}
details p{border-top:1px solid var(--line);padding:14px 0 17px;color:var(--muted);font-size:14px;line-height:1.85}
.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:28px;border:1px solid var(--line-dark);border-radius:var(--radius);padding:30px 34px;background:var(--surface)}
.cta-panel h2{font-size:27px;line-height:1.35}
.cta-panel p{color:var(--muted);font-size:14px;margin-top:6px}
.site-footer{background:var(--ink);color:var(--white);padding:54px 0 23px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px}
.footer-brand .logo{min-width:0}
.footer-brand p{color:#b9c1b5;font-size:13px;max-width:330px;margin-top:15px}
.footer-title{font-size:13px;color:#d8dfd2;font-weight:700;margin-bottom:14px}
.footer-links{display:grid;gap:7px}
.footer-links a{color:#aeb8a9;font-size:13px;transition:var(--ease)}
.footer-links a:hover{color:#d7e3c9;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #495248;margin-top:45px;padding-top:18px;color:#929b8f;font-size:12px}
.top-link{color:#cbd8bf;transition:var(--ease)}
.top-link:hover{color:var(--white)}
@media(max-width:980px){
 .container{width:min(100% - 48px,760px)}
 .navbar{gap:16px}.logo{min-width:220px}.command-search{width:150px}
 .hero-layout{gap:30px}.content-layout{grid-template-columns:1fr}.side-index{grid-template-columns:repeat(2,1fr)}
 .faq-grid{gap:35px}
}
@media(max-width:767px){
 .container{width:calc(100% - 32px)}
 .site-header,.navbar{height:60px}.navbar{justify-content:space-between}
 .logo{min-width:0;font-size:14px}.logo-mark{width:25px;height:25px}
 .nav-links{display:none;position:absolute;top:60px;left:0;right:0;padding:14px 16px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 12px 20px rgba(37,42,38,.08);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
 .nav-tools{display:none}.menu-toggle{display:inline-flex;width:40px;height:40px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:9px;background:var(--surface);font-size:20px}
 .mobile-cta{display:inline-flex!important;padding:9px 12px;font-size:12px}
 .page-hero{padding:39px 0 37px}.hero-layout{grid-template-columns:1fr;gap:34px}.page-hero h1{font-size:36px}
 .hero-art{min-height:260px;transform:none}.art-index{font-size:62px;margin-top:35px}
 .section{padding:58px 0}.section-head{display:block;margin-bottom:23px}.section-head p{margin-top:12px}
 .filter-bar{align-items:stretch;flex-wrap:wrap}.filter-input{flex-basis:100%}.filter-bar select{flex:1;min-width:0}.filter-count{align-self:center}
 .feature-card{grid-template-columns:1fr}.feature-visual{min-height:145px}.feature-copy{padding:23px}
 .content-item{grid-template-columns:42px 1fr;gap:12px;padding:17px}.item-meta{grid-column:2;text-align:left}.item-arrow{display:inline;margin-left:7px}
 .side-index{grid-template-columns:1fr}.faq-grid{grid-template-columns:1fr;gap:25px}
 .cta-panel{display:block;padding:25px}.cta-panel .btn{margin-top:20px;width:100%}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{align-items:flex-start;gap:14px;flex-direction:column}
}
@media(max-width:420px){
 .logo span{max-width:190px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
 .page-hero h1{font-size:31px}.hero-meta{display:grid;grid-template-columns:1fr 1fr}
 .filter-bar select{font-size:13px;padding:0 8px}.filter-count{padding:0;font-size:12px}
 .footer-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}