/* roulang page: index */
:root{
    --ink:#202a27;
    --muted:#68736e;
    --green:#174e43;
    --green-2:#226b5b;
    --mint:#e8f1ed;
    --warm:#fbfaf6;
    --paper:#ffffff;
    --line:#dfe7e2;
    --coral:#d96f55;
    --shadow:0 12px 30px rgba(23,78,67,.08);
    --radius:10px;
    --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--warm);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,246,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:800;color:var(--green);letter-spacing:0}
.logo-mark{width:34px;height:34px;border-radius:8px;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:800}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{padding:9px 14px;border-radius:7px;color:var(--muted);font-size:15px;transition:.2s ease}
.nav-links a:hover,.nav-links a.active{background:var(--mint);color:var(--green)}
.nav-search{display:flex;align-items:center;gap:8px}
.search-mini{height:40px;width:180px;border:1px solid var(--line);border-radius:7px;background:#fff;padding:0 12px;color:var(--ink);outline:0}
.search-mini:focus,.search-input:focus{border-color:var(--green-2);box-shadow:0 0 0 3px rgba(34,107,91,.12)}
.search-button{height:40px;border:0;border-radius:7px;padding:0 14px;background:var(--green);color:#fff;transition:.2s}
.search-button:hover{background:var(--green-2)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:7px;width:42px;height:40px;color:var(--green)}
.hero{padding:76px 0 64px;background:var(--mint);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-2);font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--coral)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5vw,64px);line-height:1.15;letter-spacing:0;margin:16px 0 20px;color:var(--green);max-width:720px}
.hero-copy{font-size:18px;color:#51615b;max-width:650px;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:7px;padding:11px 18px;border:1px solid transparent;font-weight:700;font-size:15px;transition:.2s ease}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-2);transform:translateY(-1px)}
.btn-secondary{border-color:#b9cbc3;color:var(--green);background:transparent}
.btn-secondary:hover{background:#fff;border-color:var(--green)}
.hero-panel{background:#fff;border:1px solid #d5e2dc;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.hero-panel h2{font-size:20px;color:var(--green);margin-bottom:15px}
.hero-panel p{color:var(--muted);font-size:14px}
.search-large{display:flex;gap:8px;margin-top:18px}
.search-input{min-width:0;flex:1;height:46px;border:1px solid var(--line);border-radius:7px;padding:0 13px;outline:0}
.search-large .search-button{height:46px}
.signal-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}
.signal-item{border-top:1px solid var(--line);padding-top:10px;color:var(--muted);font-size:13px}
.signal-item strong{display:block;color:var(--ink);font-size:16px}
.section{padding:62px 0;border-bottom:1px solid var(--line)}
.section-soft{background:#f1f5f1}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px}
.section-head h2{font-size:29px;line-height:1.25;color:var(--green);margin:0}
.section-head p{margin:6px 0 0;color:var(--muted);font-size:14px}
.section-link{color:var(--green-2);font-size:14px;font-weight:700;border-bottom:1px solid #9bb8ac;padding-bottom:2px}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.quick-item{display:flex;justify-content:space-between;align-items:center;padding:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.2s}
.quick-item:hover{border-color:#9bb8ac;box-shadow:var(--shadow);transform:translateY(-2px)}
.quick-item strong{display:block;color:var(--green);font-size:16px}
.quick-item span{font-size:13px;color:var(--muted)}
.arrow{color:var(--coral);font-size:20px}
.feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.feature-main{position:relative;overflow:hidden;border-radius:var(--radius);min-height:310px;background:#244e45}
.feature-main img{height:310px;object-fit:cover;opacity:.68}
.feature-overlay{position:absolute;inset:0;padding:28px;display:flex;flex-direction:column;justify-content:end;color:#fff;background:linear-gradient(0deg,rgba(16,44,37,.83),rgba(16,44,37,0) 70%)}
.feature-overlay h3{font-size:28px;margin:8px 0 5px}
.feature-overlay p{margin:0;color:#e8f1ed;font-size:14px}
.feature-side{display:grid;gap:18px}
.feature-side article{display:flex;gap:15px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.thumb{width:122px;aspect-ratio:16/9;object-fit:cover;border-radius:7px;background:#dce8e2}
.card-meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.tag{display:inline-flex;align-items:center;padding:3px 8px;border-radius:5px;background:var(--mint);color:var(--green-2);font-size:12px;font-weight:700}
.content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s}
.content-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#adc4ba}
.content-card img{aspect-ratio:16/9;object-fit:cover;background:#dfe9e4}
.card-body{padding:16px}
.card-body h3{font-size:17px;color:var(--green);line-height:1.4;margin:10px 0 8px}
.card-body p{font-size:13px;color:var(--muted);margin-bottom:12px}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.list-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
.list-stack{display:grid;gap:10px}
.list-row{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:13px 16px}
.list-row .thumb{width:145px;flex:none}
.list-row h3{font-size:16px;margin:5px 0;color:var(--green)}
.list-index{font-size:22px;font-weight:800;color:var(--coral);width:25px}
.rank-list{background:var(--green);color:#fff;border-radius:var(--radius);padding:20px}
.rank-list h3{margin:0 0 12px;font-size:19px}
.rank-item{display:flex;gap:13px;padding:13px 0;border-top:1px solid rgba(255,255,255,.2)}
.rank-item b{color:#f3b59d;font-size:18px}
.rank-item span{font-size:14px}
.topic-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.topic{min-height:112px;border-radius:8px;padding:18px;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;justify-content:end;transition:.2s}
.topic:hover{background:var(--green);color:#fff}
.topic strong{font-size:16px}
.topic span{font-size:12px;color:var(--muted);margin-top:5px}
.topic:hover span{color:#dcebe5}
.duration-row{display:flex;gap:12px;flex-wrap:wrap}
.duration{flex:1;min-width:150px;padding:18px 20px;background:#fff;border-left:3px solid var(--coral);border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);border-radius:7px}
.duration strong{display:block;color:var(--green);font-size:18px}
.duration span{font-size:13px;color:var(--muted)}
.series-strip{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.series{background:#fff;padding:20px;border:1px solid var(--line);border-radius:8px}
.series h3{margin:0 0 10px;color:var(--green);font-size:18px}
.series p{margin:0 0 14px;font-size:14px;color:var(--muted)}
.series-list{display:flex;gap:7px;flex-wrap:wrap}
.series-list span{padding:5px 8px;background:var(--mint);border-radius:5px;color:var(--green-2);font-size:12px}
.editor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.editor-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:8px;border-top:3px solid var(--coral)}
.editor-card h3{color:var(--green);font-size:19px;margin-bottom:8px}
.editor-card p{font-size:14px;color:var(--muted);margin-bottom:14px}
.index-bar{display:flex;gap:9px;flex-wrap:wrap;padding:16px;background:#fff;border:1px solid var(--line);border-radius:8px}
.index-bar a{padding:7px 12px;border-radius:5px;background:var(--mint);color:var(--green-2);font-size:13px}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.guide{padding:22px 0;border-top:2px solid var(--green)}
.guide b{display:block;font-size:25px;color:var(--coral);margin-bottom:8px}
.guide h3{font-size:18px;color:var(--green);margin-bottom:6px}
.guide p{font-size:14px;color:var(--muted);margin:0}
.notice{padding:24px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--green-2);border-radius:8px;color:var(--muted);font-size:14px}
.faq{display:grid;grid-template-columns:1fr 1fr;gap:12px}
details{background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px 18px}
summary{cursor:pointer;color:var(--green);font-weight:700}
details p{margin:12px 0 0;color:var(--muted);font-size:14px}
.closing{padding:54px 0;background:var(--green);color:#fff}
.closing-inner{display:flex;justify-content:space-between;align-items:center;gap:24px}
.closing h2{margin:0 0 8px;font-size:28px}
.closing p{margin:0;color:#d8e9e2}
.closing .btn-secondary{color:#fff;border-color:#8db6a7}
.category-hero{padding:56px 0 42px;background:var(--mint);border-bottom:1px solid var(--line)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--green-2)}
.category-hero h1{font-size:46px;margin:0 0 13px}
.category-hero p{max-width:760px;color:var(--muted);margin:0}
.filter-bar{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:20px}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter{border:1px solid var(--line);background:#fff;color:var(--muted);padding:7px 12px;border-radius:5px;font-size:13px}
.filter.active,.filter:hover{background:var(--green);border-color:var(--green);color:#fff}
.result-note{font-size:13px;color:var(--muted);white-space:nowrap}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.featured-category{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.featured-category .content-card{display:grid;grid-template-columns:42% 58%}
.featured-category .content-card img{height:100%;aspect-ratio:auto}
.related-links{display:flex;gap:10px;flex-wrap:wrap}
.related-links a{padding:10px 14px;background:#fff;border:1px solid var(--line);border-radius:6px;color:var(--green-2);font-size:14px}
.related-links a:hover{border-color:var(--green-2);background:var(--mint)}
.more-wrap{text-align:center;margin-top:25px}
.site-footer{padding:38px 0 24px;background:#172d28;color:#c7d8d1}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.15)}
.footer-brand{color:#fff;font-weight:800;font-size:18px;margin-bottom:10px}
.site-footer p{font-size:13px;color:#9db5ac;max-width:330px}
.footer-col h3{font-size:14px;color:#fff;margin:0 0 10px}
.footer-col a{display:block;font-size:13px;color:#9db5ac;margin:6px 0}
.footer-col a:hover{color:#fff}
.copyright{padding-top:18px;color:#8ca39b;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
@media(max-width:1024px){
    .hero-grid{gap:32px}
    .card-grid{grid-template-columns:repeat(2,1fr)}
    .topic-grid{grid-template-columns:repeat(3,1fr)}
    .quick-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:2fr 1fr 1fr}
}
@media(max-width:768px){
    .container{width:min(var(--max),calc(100% - 28px))}
    .navbar{height:68px}
    .menu-toggle{display:block}
    .nav-links,.nav-search{display:none}
    .nav-links.open{display:flex;position:absolute;top:68px;left:0;right:0;padding:12px 14px;background:var(--warm);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}
    .nav-links.open a{text-align:center}
    .hero{padding:52px 0 44px}
    .hero-grid,.feature-grid,.list-layout,.featured-category{grid-template-columns:1fr}
    h1{font-size:42px}
    .hero-panel{padding:20px}
    .section{padding:45px 0}
    .section-head{align-items:start;flex-direction:column}
    .series-strip,.editor-grid,.guide-grid,.faq{grid-template-columns:1fr}
    .category-hero h1{font-size:38px}
    .filter-bar{align-items:flex-start;flex-direction:column}
    .result-note{white-space:normal}
    .footer-grid{grid-template-columns:1fr 1fr}
    .closing-inner{align-items:flex-start;flex-direction:column}
}
@media(max-width:520px){
    .logo{font-size:15px}
    .logo-mark{width:30px;height:30px}
    h1{font-size:35px}
    .hero-copy{font-size:16px}
    .search-large{flex-direction:column}
    .search-large .search-button{width:100%}
    .quick-grid,.card-grid,.topic-grid,.category-grid{grid-template-columns:1fr}
    .feature-main img{height:250px}
    .list-row{align-items:flex-start;padding:10px;gap:10px}
    .list-row .thumb{width:108px}
    .list-index{width:18px;font-size:18px}
    .list-row h3{font-size:14px}
    .featured-category .content-card{display:block}
    .featured-category .content-card img{height:auto}
    .footer-grid{grid-template-columns:1fr}
    .copyright{display:block}
}

/* roulang page: category1 */
:root{
 --ink:#202a27;
 --muted:#68736e;
 --green:#174e43;
 --green-2:#226b5b;
 --mint:#e8f1ed;
 --warm:#fbfaf6;
 --paper:#ffffff;
 --line:#dfe7e2;
 --coral:#d96f55;
 --shadow:0 12px 30px rgba(23,78,67,.08);
 --radius:10px;
 --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--warm);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(217,111,85,.55);outline-offset:3px}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,246,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:800;color:var(--green);letter-spacing:0;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:8px;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:800;flex:none}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{padding:9px 14px;border-radius:7px;color:var(--muted);font-size:15px;transition:.2s ease}
.nav-links a:hover,.nav-links a.active{background:var(--mint);color:var(--green)}
.nav-search{display:flex;align-items:center;gap:8px}
.search-mini{height:40px;width:180px;border:1px solid var(--line);border-radius:7px;background:#fff;padding:0 12px;color:var(--ink);outline:0}
.search-mini:focus,.search-input:focus{border-color:var(--green-2);box-shadow:0 0 0 3px rgba(34,107,91,.12)}
.search-button{height:40px;border:0;border-radius:7px;padding:0 14px;background:var(--green);color:#fff;transition:.2s}
.search-button:hover{background:var(--green-2)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:7px;width:42px;height:40px;color:var(--green);align-items:center;justify-content:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:7px;padding:11px 18px;border:1px solid transparent;font-weight:700;font-size:15px;transition:.2s ease}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-2);transform:translateY(-1px);color:#fff}
.btn-secondary{border-color:#b9cbc3;color:var(--green);background:transparent}
.btn-secondary:hover{background:#fff;border-color:var(--green);color:var(--green)}
.category-intro{padding:34px 0 30px;border-bottom:1px solid var(--line);background:var(--warm)}
.breadcrumb{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin:0 0 18px}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb-sep{color:#a7b1ac}
.intro-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(230px,300px);gap:38px;align-items:end}
.category-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--green-2);font-size:13px;font-weight:700}
.category-kicker:before{content:"";width:20px;height:2px;background:var(--coral)}
.category-intro h1{font-size:38px;line-height:1.2;letter-spacing:0;color:var(--green);margin:9px 0 11px}
.category-intro p{max-width:740px;color:#56635d;font-size:16px;margin:0}
.intro-aside{padding:18px 19px;border-left:2px solid var(--coral);background:#f1f5f1}
.intro-aside strong{display:block;color:var(--green);font-size:14px;margin-bottom:4px}
.intro-aside span{display:block;color:var(--muted);font-size:13px}
.section{padding:52px 0;border-bottom:1px solid var(--line)}
.section-soft{background:#f1f5f1}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}
.section-head h2{font-size:26px;line-height:1.25;color:var(--green);margin:0}
.section-head p{margin:6px 0 0;color:var(--muted);font-size:14px}
.section-link{color:var(--green-2);font-size:14px;font-weight:700;border-bottom:1px solid #9bb8ac;padding-bottom:2px}
.section-link:hover{color:var(--coral);border-color:var(--coral)}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;padding:14px 16px;border:1px solid var(--line);background:#fff;border-radius:var(--radius)}
.filter-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.filter-label{font-size:13px;color:var(--muted);font-weight:700;margin-right:3px}
.filter-button{border:1px solid transparent;background:transparent;padding:6px 11px;border-radius:6px;color:var(--muted);font-size:13px;transition:.2s}
.filter-button:hover{border-color:#b9cbc3;color:var(--green)}
.filter-button.active{background:var(--green);color:#fff}
.clear-filter{border:0;background:none;color:var(--green-2);padding:6px 4px;font-size:13px;font-weight:700;white-space:nowrap}
.clear-filter:hover{color:var(--coral)}
.result-line{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 14px;color:var(--muted);font-size:13px}
.result-line strong{color:var(--ink);font-weight:700}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.content-card{min-width:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s ease}
.content-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#adc4ba}
.content-card img{aspect-ratio:16/9;object-fit:cover;background:#dfe9e4}
.card-body{padding:15px 16px 16px}
.card-body h3{font-size:17px;color:var(--green);line-height:1.4;margin:10px 0 7px}
.card-body p{font-size:13px;color:var(--muted);margin:0 0 13px}
.card-topline{display:flex;align-items:center;justify-content:space-between;gap:10px}
.tag{display:inline-flex;align-items:center;padding:3px 8px;border-radius:5px;background:var(--mint);color:var(--green-2);font-size:12px;font-weight:700;white-space:nowrap}
.card-meta{display:flex;gap:8px 12px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.meta-dot{color:#b2bdb7}
.filter-empty{display:none;padding:30px 20px;text-align:center;background:#fff;border:1px dashed #b9cbc3;border-radius:var(--radius);color:var(--muted)}
.filter-empty strong{display:block;color:var(--green);font-size:17px;margin-bottom:5px}
.more-row{display:flex;justify-content:center;margin-top:26px}
.featured-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px;align-items:stretch}
.featured-lead{position:relative;overflow:hidden;min-height:300px;border-radius:var(--radius);background:#315c4d}
.featured-lead img{height:100%;min-height:300px;object-fit:cover}
.featured-caption{position:absolute;inset:0;padding:24px;display:flex;flex-direction:column;justify-content:end;color:#fff;background:linear-gradient(0deg,rgba(20,50,41,.84),rgba(20,50,41,0) 72%)}
.featured-caption .tag{align-self:flex-start;background:#fff;color:var(--green)}
.featured-caption h3{font-size:24px;line-height:1.3;margin:11px 0 5px}
.featured-caption p{margin:0;color:#e7eee9;font-size:13px}
.featured-side{display:grid;grid-template-rows:repeat(2,1fr);gap:14px}
.featured-mini{display:grid;grid-template-columns:132px minmax(0,1fr);gap:15px;align-items:center;padding:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.featured-mini img{height:98px;object-fit:cover;border-radius:6px}
.featured-mini h3{font-size:16px;line-height:1.35;color:var(--green);margin:8px 0 5px}
.featured-mini p{font-size:12px;color:var(--muted);margin:0}
.topic-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.topic-link{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 16px;border:1px solid var(--line);background:#fff;border-radius:8px;transition:.2s}
.topic-link:hover{border-color:#9bb8ac;background:#f9fcfa;transform:translateY(-2px)}
.topic-link strong{display:block;color:var(--green);font-size:15px}
.topic-link span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.topic-arrow{color:var(--coral);font-size:19px;line-height:1}
.duration-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.duration-item{padding:18px 19px;border-top:2px solid var(--green);background:#fff}
.duration-item strong{display:block;color:var(--green);font-size:16px}
.duration-item span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
.series-band{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;padding:24px 27px;background:var(--green);color:#fff;border-radius:var(--radius)}
.series-band h2{font-size:22px;line-height:1.3;margin:0 0 6px}
.series-band p{color:#dce9e3;font-size:14px;margin:0;max-width:720px}
.series-index{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.series-index span{padding:6px 10px;border:1px solid rgba(255,255,255,.3);border-radius:5px;color:#fff;font-size:12px}
.note-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.note-block{padding:19px 0;border-top:1px solid #cbd8d1}
.note-block h3{font-size:16px;color:var(--green);margin:0 0 7px}
.note-block p{font-size:14px;color:var(--muted);margin:0}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{position:relative;list-style:none;cursor:pointer;padding:17px 38px 17px 0;color:var(--green);font-weight:700}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";position:absolute;right:4px;top:15px;color:var(--coral);font-size:20px;font-weight:400}
.faq-item[open] summary:after{content:"−"}
.faq-item p{max-width:850px;padding:0 0 17px;margin:0;color:var(--muted);font-size:14px}
.site-footer{padding:46px 0 20px;background:#eaf0eb}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px}
.footer-brand{font-size:18px;font-weight:800;color:var(--green);margin-bottom:10px}
.site-footer p{max-width:310px;color:var(--muted);font-size:13px;margin:0}
.footer-col h3{font-size:14px;color:var(--green);margin:0 0 11px}
.footer-col a{display:block;width:max-content;max-width:100%;margin:7px 0;color:var(--muted);font-size:13px;transition:.2s}
.footer-col a:hover{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.copyright{display:flex;justify-content:space-between;gap:15px;padding-top:17px;border-top:1px solid #d2ddd6;color:#748079;font-size:12px}
@media(max-width:1024px){
 .navbar{gap:16px}
 .logo{font-size:16px}
 .search-mini{width:150px}
 .intro-grid{grid-template-columns:minmax(0,1fr) 250px;gap:24px}
 .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .topic-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
 .featured-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 32px))}
 .navbar{height:68px}
 .logo{font-size:15px;white-space:normal;line-height:1.2;max-width:235px}
 .logo-mark{width:32px;height:32px}
 .menu-toggle{display:flex;flex:none}
 .nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:10px 16px 14px;background:var(--warm);border-bottom:1px solid var(--line);box-shadow:0 10px 18px rgba(23,78,67,.07)}
 .nav-links.open{display:grid;gap:3px}
 .nav-links a{padding:11px 13px}
 .nav-search{display:none}
 .category-intro{padding:26px 0 25px}
 .intro-grid{grid-template-columns:1fr;gap:18px}
 .category-intro h1{font-size:32px}
 .intro-aside{max-width:none}
 .section{padding:42px 0}
 .section-head h2{font-size:23px}
 .filter-bar{align-items:flex-start;flex-direction:column}
 .filter-group{gap:5px}
 .featured-grid{grid-template-columns:1fr}
 .featured-lead,.featured-lead img{min-height:250px}
 .featured-side{grid-template-columns:1fr 1fr;grid-template-rows:none}
 .featured-mini{grid-template-columns:1fr;align-content:start}
 .featured-mini img{height:auto;aspect-ratio:16/9}
 .series-band{grid-template-columns:1fr}
 .series-index{justify-content:flex-start}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
 .container{width:calc(100% - 28px)}
 .logo{font-size:14px;max-width:195px}
 .category-intro h1{font-size:28px}
 .category-intro p{font-size:14px}
 .section{padding:36px 0}
 .section-head{align-items:flex-start;flex-direction:column;gap:8px;margin-bottom:17px}
 .card-grid{grid-template-columns:1fr 1fr;gap:10px}
 .card-body{padding:11px}
 .card-body h3{font-size:14px;margin:8px 0 6px}
 .card-body p{font-size:12px;margin-bottom:9px}
 .card-meta{font-size:11px;gap:5px}
 .tag{font-size:11px;padding:2px 6px}
 .featured-side{grid-template-columns:1fr}
 .featured-mini{grid-template-columns:112px minmax(0,1fr)}
 .featured-mini img{height:82px;aspect-ratio:auto}
 .topic-strip,.duration-list,.note-grid{grid-template-columns:1fr}
 .topic-link{padding:13px}
 .filter-bar{padding:12px}
 .filter-label{width:100%}
 .filter-button{padding:6px 8px}
 .result-line{align-items:flex-start;flex-direction:column;gap:4px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:22px 14px}
 .footer-grid>div:first-child{grid-column:1/-1}
 .copyright{flex-direction:column;gap:5px}
}
@media(prefers-reduced-motion:reduce){
 *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
}