/* roulang page: index */
:root{
  --ink:#20242b;
  --muted:#737985;
  --paper:#fbfaf7;
  --surface:#fff;
  --line:#e9e6df;
  --accent:#d9485f;
  --accent-dark:#a92d42;
  --teal:#157a78;
  --gold:#c9943d;
  --shadow:0 14px 38px rgba(32,36,43,.09);
  --radius:18px;
  --container:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,247,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.navbar{height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:max-content;font-weight:800;letter-spacing:.02em}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 6px 16px rgba(217,72,95,.25)}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-links a{font-size:14px;color:var(--muted);padding:8px 0;border-bottom:2px solid transparent;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--accent);border-color:var(--accent)}
.nav-action{background:var(--ink)!important;color:#fff!important;border:0!important;padding:9px 15px!important;border-radius:10px!important}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 10px}
.hero{padding:46px 0 30px;background:#f4eee8;border-bottom:1px solid var(--line)}
.hero-strip{min-height:250px;display:flex;align-items:center;justify-content:space-between;gap:45px}
.hero-copy{max-width:700px}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:800}
h1{font-size:clamp(34px,5vw,64px);line-height:1.12;letter-spacing:-.02em;margin:13px 0 17px}
.highlight{color:var(--accent)}
.hero-copy p{max-width:680px;color:#555b64;font-size:17px}
.hero-tools{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:11px 17px;font-weight:700;transition:.2s}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(217,72,95,.2)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px)}
.btn-light{background:#fff;border-color:var(--line)}
.btn-light:hover{border-color:var(--accent);color:var(--accent)}
.hero-note{width:260px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-note strong{display:block;font-size:31px;color:var(--teal);line-height:1.2}
.hero-note span{font-size:13px;color:var(--muted)}
main{overflow:hidden}
.section{padding:78px 0;border-bottom:1px solid var(--line)}
.section.alt{background:#f4f6f3}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:30px;line-height:1.25;margin-top:7px}
.section-head p{max-width:590px;color:var(--muted);font-size:14px}
.text-link{color:var(--accent);font-weight:700;font-size:14px;white-space:nowrap}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.content-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.content-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card-image{height:175px;position:relative;background:#ddd}
.card-image img{height:100%;filter:saturate(.9)}
.badge{position:absolute;left:12px;top:12px;padding:4px 8px;border-radius:7px;background:rgba(255,255,255,.92);color:var(--accent);font-size:11px;font-weight:800}
.card-body{padding:16px}
.card-body h3{font-size:16px;line-height:1.45;margin-bottom:8px}
.card-body p{font-size:13px;color:var(--muted);line-height:1.7}
.card-meta{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:12px;color:var(--muted)}
.rating{color:var(--gold);font-weight:800}
.feature-band{display:grid;grid-template-columns:1.05fr 1.95fr;gap:42px;align-items:center}
.feature-band h2{font-size:33px;line-height:1.3;margin:10px 0 14px}
.feature-band p{color:var(--muted)}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.feature-item{padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px}
.feature-item b{display:block;margin-bottom:5px}
.feature-item span{font-size:13px;color:var(--muted)}
.category-card{padding:22px;background:#fff;border-left:4px solid var(--accent);border-radius:13px;box-shadow:0 7px 22px rgba(32,36,43,.05)}
.category-card:nth-child(2){border-color:var(--teal)}.category-card:nth-child(3){border-color:var(--gold)}.category-card:nth-child(4){border-color:#7b61a8}
.category-card h3{margin-bottom:7px}.category-card p{font-size:13px;color:var(--muted)}
.ranking{display:grid;grid-template-columns:repeat(2,1fr);gap:0 35px}
.rank-item{display:grid;grid-template-columns:42px 1fr auto auto;gap:12px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.rank-no{font-size:20px;font-weight:900;color:#c9c4bb}.rank-item:nth-child(-n+3) .rank-no{color:var(--accent)}
.rank-title{font-weight:700}.rank-tag{font-size:11px;color:var(--teal);background:#e7f3f1;padding:3px 7px;border-radius:5px}.rank-score{font-size:13px;color:var(--gold);font-weight:800}
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article{display:flex;gap:15px;background:#fff;padding:13px;border:1px solid var(--line);border-radius:14px}
.article img{width:92px;height:76px;border-radius:10px;flex:none}
.article h3{font-size:14px;line-height:1.45;margin-bottom:8px}.article time{font-size:12px;color:var(--muted)}
.quote-band{background:var(--ink);color:#fff}.quote-band .section-kicker{color:#f09aab}.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.quote{padding:27px;border:1px solid rgba(255,255,255,.15);border-radius:16px;background:rgba(255,255,255,.05)}.quote p{font-size:17px;line-height:1.8}.quote cite{display:block;margin-top:18px;color:#bbb;font-size:13px;font-style:normal}
.faq{max-width:850px}.faq details{border-bottom:1px solid var(--line);padding:20px 0}.faq summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between}.faq summary:after{content:"+";color:var(--accent);font-size:22px}.faq details[open] summary:after{content:"−"}.faq p{color:var(--muted);font-size:14px;padding:12px 25px 0 0}
.cta{padding:70px 0;background:#f0e4df}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:31px;line-height:1.3}.cta p{color:var(--muted);margin-top:8px}
.site-footer{background:#20242b;color:#d9dadd;padding:55px 0 23px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}.footer-brand p{color:#9da1a8;font-size:13px;margin-top:15px;max-width:280px}.footer-col h3{font-size:14px;color:#fff;margin-bottom:14px}.footer-col a{display:block;color:#aeb2b8;font-size:13px;margin:8px 0}.footer-col a:hover{color:#f09aab}.copyright{border-top:1px solid #3c4047;margin-top:38px;padding-top:18px;color:#858a92;font-size:12px}
:focus-visible{outline:3px solid rgba(217,72,95,.35);outline-offset:3px}
@media(max-width:1024px){.grid-4{grid-template-columns:repeat(3,1fr)}.feature-band{grid-template-columns:1fr}.hero-note{display:none}.footer-grid{grid-template-columns:1.4fr repeat(3,1fr)}}
@media(max-width:768px){.container{width:min(100% - 30px,var(--container))}.navbar{height:68px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:68px;left:15px;right:15px;background:#fff;padding:12px 18px;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:4px}.nav-links.open{display:flex}.nav-links a{padding:10px 0}.hero{padding-top:30px}.hero-strip{min-height:0}.section{padding:55px 0}.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}.article-list{grid-template-columns:1fr 1fr}.ranking{grid-template-columns:1fr}.cta-inner{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){h1{font-size:36px}.section-head{display:block}.section-head h2{font-size:25px;margin-bottom:10px}.grid-4,.grid-3,.feature-list,.article-list{grid-template-columns:1fr}.hero-tools .btn{width:100%}.card-image{height:205px}.quote-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}

/* roulang page: category1 */
:root{
 --ink:#20242b;
 --muted:#737985;
 --paper:#fbfaf7;
 --surface:#fff;
 --line:#e9e6df;
 --accent:#d9485f;
 --accent-dark:#a92d42;
 --teal:#157a78;
 --gold:#c9943d;
 --purple:#7b61a8;
 --shadow:0 14px 38px rgba(32,36,43,.09);
 --radius:18px;
 --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,247,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.navbar{height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:max-content;font-weight:800;letter-spacing:.02em}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 6px 16px rgba(217,72,95,.25)}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-links a{font-size:14px;color:var(--muted);padding:8px 0;border-bottom:2px solid transparent;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--accent);border-color:var(--accent)}
.nav-action{background:var(--ink)!important;color:#fff!important;border:0!important;padding:9px 15px!important;border-radius:10px!important}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 10px}
.hero{padding:58px 0 50px;background:#f4eee8;border-bottom:1px solid var(--line)}
.hero-strip{min-height:280px;display:flex;align-items:center;justify-content:space-between;gap:45px}
.hero-copy{max-width:720px}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:800}
.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.15;margin:14px 0 18px;letter-spacing:0}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-copy p{max-width:680px;color:#555b64;font-size:17px;margin:0}
.hero-tools{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:11px 17px;font-weight:700;transition:.2s}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(217,72,95,.2)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px)}
.btn-light{background:#fff;border-color:var(--line)}
.btn-light:hover{border-color:var(--accent);color:var(--accent)}
.btn:focus-visible,.nav-links a:focus-visible,.footer-col a:focus-visible{outline:3px solid rgba(217,72,95,.3);outline-offset:3px}
.hero-note{width:280px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-note .note-label{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
.hero-note strong{display:block;font-size:34px;color:var(--teal);line-height:1.2}
.hero-note span{font-size:13px;color:var(--muted)}
main{overflow:hidden}
.section{padding:78px 0;border-bottom:1px solid var(--line)}
.section.alt{background:#f4f6f3}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:30px;line-height:1.25;margin:7px 0 0}
.section-head p{max-width:590px;color:var(--muted);font-size:14px;margin:0}
.text-link{color:var(--accent);font-weight:700;font-size:14px;white-space:nowrap}
.category-layout{display:grid;grid-template-columns:1.05fr 1.95fr;gap:38px;align-items:start}
.category-intro{padding:28px;background:#20242b;color:#fff;border-radius:var(--radius);position:relative;overflow:hidden}
.category-intro:after{content:"";position:absolute;width:150px;height:150px;border:1px solid rgba(255,255,255,.15);border-radius:50%;right:-45px;bottom:-65px}
.category-intro h2{font-size:31px;line-height:1.3;margin:10px 0 14px}
.category-intro p{color:#c1c5ca;font-size:14px}
.category-intro .btn{margin-top:12px}
.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.category-card{padding:22px;background:#fff;border-left:4px solid var(--accent);border-radius:13px;box-shadow:0 7px 22px rgba(32,36,43,.05);transition:.22s}
.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.category-card:nth-child(2){border-color:var(--teal)}
.category-card:nth-child(3){border-color:var(--gold)}
.category-card:nth-child(4){border-color:var(--purple)}
.category-card:nth-child(5){border-color:#4f8eae}
.category-card h3{margin:0 0 7px;font-size:18px}
.category-card p{font-size:13px;color:var(--muted);margin:0}
.category-card small{display:block;margin-top:15px;color:var(--accent);font-size:12px;font-weight:700}
.topic-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.topic-tag{padding:8px 13px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px;transition:.2s}
.topic-tag:hover{border-color:var(--accent);color:var(--accent)}
.collection-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.collection-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.collection-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card-image{height:170px;position:relative;background:#ddd}
.card-image img{height:100%;filter:saturate(.88)}
.badge{position:absolute;left:12px;top:12px;padding:4px 8px;border-radius:7px;background:rgba(255,255,255,.94);color:var(--accent);font-size:11px;font-weight:800}
.card-body{padding:17px}
.card-body h3{font-size:17px;line-height:1.45;margin:0 0 8px}
.card-body p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}
.card-meta{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:12px;color:var(--muted)}
.score{color:var(--gold);font-weight:800}
.feature-band{display:grid;grid-template-columns:1fr 1.7fr;gap:42px;align-items:center}
.feature-band h2{font-size:33px;line-height:1.3;margin:10px 0 14px}
.feature-band p{color:var(--muted)}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.feature-item{padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px}
.feature-item b{display:block;margin-bottom:5px}
.feature-item span{font-size:13px;color:var(--muted)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);margin-top:25px}
.timeline-item{position:relative;padding:25px 20px 0 0}
.timeline-item:before{content:"";position:absolute;top:-6px;left:0;width:11px;height:11px;background:var(--accent);border:3px solid var(--paper);border-radius:50%;box-shadow:0 0 0 1px var(--accent)}
.timeline-item:not(:last-child){border-right:1px solid var(--line)}
.timeline-item h3{font-size:16px;margin:0 16px 8px 0}
.timeline-item p{font-size:13px;color:var(--muted);margin:0 16px 0 0}
.rank-layout{display:grid;grid-template-columns:1fr 1fr;gap:45px}
.rank-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px 22px}
.rank-item{display:grid;grid-template-columns:42px 1fr auto auto;gap:12px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.rank-item:last-child{border-bottom:0}
.rank-item:nth-child(-n+3) .rank-no{color:var(--accent)}
.rank-no{font-size:21px;font-weight:900;color:#a8adb3}
.rank-title{font-weight:700;font-size:14px}
.rank-tag{font-size:11px;color:var(--teal);background:#e7f3f1;padding:3px 7px;border-radius:5px}
.rank-score{font-size:12px;color:var(--gold);font-weight:800}
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article{display:flex;gap:14px;padding:15px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.2s}
.article:hover{border-color:var(--accent);transform:translateY(-3px)}
.article img{width:92px;height:76px;border-radius:10px;flex:none}
.article h3{font-size:14px;line-height:1.45;margin:0 0 7px}
.article time{font-size:12px;color:var(--muted)}
.quote-band{background:#20242b;color:#fff}
.quote-band .section-kicker{color:#f09aab}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}
.quote{padding:28px;border:1px solid #3c4047;border-radius:var(--radius);background:#292e36}
.quote p{font-size:18px;line-height:1.8;margin:0 0 18px}
.quote cite{font-size:13px;color:#b8bdc4;font-style:normal}
.faq{max-width:850px}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--accent);font-size:22px;line-height:1}
.faq details[open] summary:after{content:"−"}
.faq p{color:var(--muted);font-size:14px;padding:12px 25px 0 0;margin:0}
.cta{padding:70px 0;background:#f0e4df}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{font-size:31px;line-height:1.3;margin:0}
.cta p{color:var(--muted);margin:8px 0 0}
.site-footer{background:#20242b;color:#d9dadd;padding:55px 0 23px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}
.footer-brand p{color:#9da1a8;font-size:13px;margin-top:15px;max-width:280px}
.footer-col h3{font-size:14px;color:#fff;margin:0 0 14px}
.footer-col a{display:block;color:#aeb2b8;font-size:13px;margin:8px 0}
.footer-col a:hover{color:#f09aab}
.copyright{border-top:1px solid #3c4047;margin-top:38px;padding-top:18px;color:#858a92;font-size:12px}
@media(max-width:1024px){
 .nav-links{gap:14px}
 .category-layout,.feature-band{grid-template-columns:1fr}
 .collection-list{grid-template-columns:repeat(2,1fr)}
 .rank-layout{gap:22px}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 30px))}
 .navbar{height:68px}
 .menu-toggle{display:block;margin-left:auto}
 .nav-links{display:none;position:absolute;top:68px;left:15px;right:15px;margin:0;padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:4px}
 .nav-links.open{display:flex}
 .nav-links a{padding:9px 4px}
 .hero{padding:42px 0 38px}
 .hero-strip{display:block;min-height:0}
 .hero-note{width:100%;margin-top:28px}
 .section{padding:56px 0}
 .section-head{display:block}
 .section-head p{margin-top:12px}
 .timeline{grid-template-columns:repeat(2,1fr);gap:10px}
 .timeline-item:nth-child(2){border-right:0}
 .timeline-item:nth-child(n+3){border-top:1px solid var(--line);padding-top:25px}
 .article-list{grid-template-columns:1fr 1fr}
 .quote-grid{grid-template-columns:1fr}
 .cta-inner{display:block}
 .cta .btn{margin-top:20px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
 .hero h1{font-size:35px}
 .hero-copy p{font-size:15px}
 .hero-tools .btn{width:100%}
 .category-grid,.collection-list,.feature-list,.article-list,.footer-grid{grid-template-columns:1fr}
 .rank-layout{grid-template-columns:1fr}
 .rank-item{grid-template-columns:34px 1fr auto}
 .rank-tag{display:none}
 .timeline{grid-template-columns:1fr}
 .timeline-item,.timeline-item:nth-child(2){border-right:0;border-top:1px solid var(--line);padding-top:22px}
 .timeline-item:first-child{border-top:0}
 .footer-grid{gap:25px}
}