/* roulang page: index */
:root{
  --ink:#182230;
  --muted:#697586;
  --paper:#f7f8fa;
  --white:#fff;
  --line:#e6e9ee;
  --brand:#c85468;
  --brand-dark:#92364c;
  --accent:#e8a45d;
  --deep:#202c3d;
  --soft:#fff2f3;
  --radius:18px;
  --shadow:0 14px 40px rgba(24,34,48,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,233,238,.9)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{font-size:20px;font-weight:800;letter-spacing:0;color:var(--deep);white-space:nowrap}
.logo span{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{padding:9px 15px;color:var(--muted);font-size:14px;border-radius:10px;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--brand-dark);background:var(--soft)}
.nav-action{display:inline-flex;align-items:center;gap:8px;padding:11px 17px;border-radius:11px;background:var(--deep);color:#fff;font-size:14px;font-weight:700;transition:.25s}
.nav-action:hover{background:var(--brand);transform:translateY(-2px)}
.menu-btn{display:none;border:0;background:transparent;color:var(--deep);font-size:25px}
.hero{background:var(--deep);color:#fff;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-120px;top:-180px;width:520px;height:520px;border:1px solid rgba(255,255,255,.1);border-radius:50%;box-shadow:0 0 0 70px rgba(255,255,255,.025),0 0 0 140px rgba(255,255,255,.02)}
.hero-inner{min-height:560px;padding:92px 0 86px;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:70px;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#f5c1c9;font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--accent)}
.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.13;letter-spacing:0;margin:20px 0 24px;max-width:700px}
.hero-copy{font-size:17px;color:#cbd3df;max-width:660px;line-height:1.95}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 21px;border-radius:11px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#df7180;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--deep)}
.btn-light:hover{background:#f8dfe2;transform:translateY(-2px)}
.hero-panel{border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.08);border-radius:22px;padding:25px;box-shadow:0 20px 50px rgba(0,0,0,.16)}
.panel-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.12)}
.panel-title{font-weight:700}.live-dot{font-size:12px;color:#f6c1c9;display:flex;gap:7px;align-items:center}.live-dot i{width:7px;height:7px;background:#f08091;border-radius:50%}
.panel-list{display:grid;gap:13px;margin-top:20px}
.panel-item{display:flex;align-items:center;gap:13px;padding:13px;border-radius:13px;background:rgba(255,255,255,.07)}
.panel-index{color:#f0a0ad;font-weight:800;font-size:18px;width:25px}
.panel-item strong{display:block;font-size:14px}.panel-item small{color:#aeb9c8;font-size:12px}
.progress{height:5px;background:rgba(255,255,255,.13);border-radius:5px;margin-top:7px;overflow:hidden}.progress b{display:block;height:100%;background:var(--accent);border-radius:5px}
.section{padding:92px 0}.section.alt{background:#fff}.section.dark{background:var(--deep);color:#fff}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
.section-kicker{color:var(--brand);font-weight:800;font-size:13px;letter-spacing:.08em}
.section h2{font-size:clamp(26px,3vw,39px);line-height:1.25;margin-top:7px}
.section-intro{max-width:610px;color:var(--muted);font-size:15px}
.dark .section-intro{color:#bdc7d4}
.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 5px 20px rgba(24,34,48,.03);transition:.25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#f0c4cb}
.card h3{font-size:18px;margin:15px 0 8px}.card p{font-size:14px;color:var(--muted);line-height:1.8}
.icon{width:45px;height:45px;border-radius:13px;display:grid;place-items:center;background:var(--soft);color:var(--brand);font-size:21px}
.badge{display:inline-block;padding:4px 9px;border-radius:20px;background:#fff0e2;color:#a8642b;font-size:11px;font-weight:700}
.tier{border-top:4px solid var(--brand)}.tier:nth-child(2){border-top-color:var(--accent)}.tier:nth-child(3){border-top-color:#7b91b7}
.price{font-size:30px;font-weight:800;margin:18px 0 7px}.price small{font-size:13px;color:var(--muted);font-weight:400}
.list{list-style:none;margin-top:18px;display:grid;gap:10px}.list li{font-size:14px;color:var(--muted);padding-left:21px;position:relative}.list li:before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:800}
.compare{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.compare-row{display:grid;grid-template-columns:1.4fr repeat(3,1fr);border-bottom:1px solid var(--line)}.compare-row:last-child{border-bottom:0}.compare-row>*{padding:17px 20px;font-size:14px}.compare-row strong{color:var(--ink)}.compare-row span{text-align:center;color:var(--muted)}.compare-head{background:var(--deep);color:#fff}.compare-head span{color:#fff;font-weight:700}
.notice{background:var(--soft);border:1px solid #f3d5d9;border-radius:var(--radius);padding:28px;display:flex;align-items:center;justify-content:space-between;gap:30px}.notice h3{font-size:23px;margin-bottom:7px}.notice p{color:var(--muted);font-size:14px}
.feature-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.feature-strip div{background:#fff;padding:25px}.feature-strip strong{display:block;font-size:25px;color:var(--brand)}.feature-strip span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
.content-card{padding:0;overflow:hidden}.cover{height:145px;background:linear-gradient(135deg,#e8b1a0,#743b58);position:relative}.cover.two{background:linear-gradient(135deg,#a9b9cc,#35445c)}.cover.three{background:linear-gradient(135deg,#e5c17b,#875142)}.cover.four{background:linear-gradient(135deg,#b7c7bb,#526f68)}.cover:after{content:"高清精选";position:absolute;bottom:14px;left:16px;color:#fff;font-weight:700;font-size:13px}.content-body{padding:20px}.content-body h3{margin:0 0 8px}.content-meta{display:flex;justify-content:space-between;margin-top:15px;color:#9aa3af;font-size:12px}
.quote{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--line)}.quote p{font-size:15px;line-height:1.9}.quote footer{display:flex;align-items:center;gap:10px;margin-top:18px;color:var(--muted);font-size:13px}.avatar{width:35px;height:35px;display:grid;place-items:center;border-radius:50%;background:#f4d6d9;color:var(--brand-dark);font-weight:800}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;counter-reset:steps}.step{position:relative;padding-left:60px}.step:before{counter-increment:steps;content:"0" counter(steps);position:absolute;left:0;top:0;font-size:28px;font-weight:800;color:var(--brand)}.step h3{font-size:18px;margin-bottom:8px}.step p{color:var(--muted);font-size:14px}
.news-list{display:grid;gap:0;border-top:1px solid var(--line)}.news-item{display:flex;justify-content:space-between;gap:20px;padding:21px 0;border-bottom:1px solid var(--line)}.news-item h3{font-size:16px;font-weight:700}.news-item p{color:var(--muted);font-size:13px;margin-top:4px}.news-date{color:#a0a8b3;font-size:12px;white-space:nowrap}
.final-cta{background:var(--brand-dark);color:#fff;padding:70px 0}.final-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.final-cta h2{font-size:34px;line-height:1.3}.final-cta p{color:#f1d5d9;margin-top:8px;font-size:14px}
.site-footer{background:#172130;color:#b7c1cd;padding:58px 0 24px}.footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand{max-width:350px}.footer-brand .logo{color:#fff;display:block;margin-bottom:14px}.footer-brand p{font-size:13px;line-height:1.8}.footer-links{display:flex;gap:70px}.footer-links h4{color:#fff;font-size:14px;margin-bottom:13px}.footer-links a{display:block;font-size:13px;margin:8px 0;color:#aeb8c5;transition:.2s}.footer-links a:hover{color:#f4a9b3}.copyright{padding-top:22px;color:#7f8c9d;font-size:12px;display:flex;justify-content:space-between;gap:20px}
:focus-visible{outline:3px solid rgba(232,164,93,.7);outline-offset:3px}
@media(max-width:900px){.hero-inner{grid-template-columns:1fr;gap:42px;padding:75px 0}.hero-panel{max-width:650px}.grid-4{grid-template-columns:repeat(2,1fr)}.footer-links{gap:35px}}
@media(max-width:700px){.container{width:min(100% - 28px,600px)}.navbar{height:67px}.nav-links,.nav-action{display:none}.menu-btn{display:block}.nav-links.open{position:absolute;display:flex;flex-direction:column;align-items:stretch;top:67px;left:0;right:0;padding:14px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav-links.open a{text-align:center}.hero h1{font-size:42px}.hero-copy{font-size:15px}.section{padding:65px 0}.section-head{display:block}.section-intro{margin-top:12px}.grid-3,.grid-4,.steps{grid-template-columns:1fr}.feature-strip{grid-template-columns:repeat(2,1fr)}.compare-row{grid-template-columns:1.1fr repeat(3,1fr)}.compare-row>*{padding:13px 8px;font-size:12px}.notice,.final-cta-inner,.footer-top{display:block}.notice .btn,.final-cta .btn{margin-top:20px}.footer-links{margin-top:30px;gap:25px;justify-content:space-between}.copyright{display:block}.copyright span{display:block;margin-top:7px}}
@media(max-width:430px){.hero h1{font-size:35px}.hero-actions .btn{width:100%}.panel-item{padding:11px}.footer-links{display:grid;grid-template-columns:1fr 1fr}.feature-strip strong{font-size:21px}}

/* roulang page: category1 */
:root{
 --ink:#182230;--muted:#697586;--paper:#f7f8fa;--white:#fff;--line:#e6e9ee;
 --brand:#c85468;--brand-dark:#92364c;--accent:#e8a45d;--deep:#202c3d;
 --soft:#fff2f3;--radius:18px;--shadow:0 14px 40px rgba(24,34,48,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(200,84,104,.42);outline-offset:3px}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.95);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,233,238,.9)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{font-size:20px;font-weight:800;letter-spacing:0;color:var(--deep);white-space:nowrap}
.logo span{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{padding:9px 15px;color:var(--muted);font-size:14px;border-radius:10px;transition:background .2s,color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--brand-dark);background:var(--soft)}
.nav-action{display:inline-flex;align-items:center;gap:8px;padding:11px 17px;border-radius:11px;background:var(--deep);color:#fff;font-size:14px;font-weight:700;transition:background .2s,transform .2s}
.nav-action:hover{background:var(--brand);transform:translateY(-2px)}
.menu-btn{display:none;border:0;background:transparent;color:var(--deep);font-size:25px}
.hero{background:var(--deep);color:#fff;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-120px;top:-180px;width:520px;height:520px;border:1px solid rgba(255,255,255,.1);border-radius:50%;box-shadow:0 0 0 70px rgba(255,255,255,.025),0 0 0 140px rgba(255,255,255,.02);pointer-events:none}
.hero-inner{min-height:470px;padding:78px 0 74px;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:70px;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#f5c1c9;font-size:13px;font-weight:700}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--accent)}
.hero h1{font-size:clamp(38px,5vw,60px);line-height:1.16;letter-spacing:0;margin:20px 0 20px;max-width:700px}
.hero-copy{font-size:16px;color:#cbd3df;max-width:650px;line-height:1.95}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 21px;border-radius:11px;border:1px solid transparent;font-weight:700;font-size:14px;transition:background .2s,color .2s,transform .2s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#df7180;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--deep)}
.btn-light:hover{background:#f8dfe2;transform:translateY(-2px)}
.hero-panel{border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.08);border-radius:22px;padding:25px;box-shadow:0 20px 50px rgba(0,0,0,.16)}
.panel-title{font-weight:700;font-size:17px}
.panel-list{display:grid;gap:13px;margin-top:20px}
.panel-item{display:flex;align-items:center;gap:13px;padding:13px;border-radius:13px;background:rgba(255,255,255,.07)}
.panel-item strong{display:block;font-size:14px}
.panel-item small{color:#aeb9c8;font-size:12px}
.panel-index{width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:rgba(232,164,93,.18);color:#f4bf83;font-weight:800}
.section{padding:76px 0}
.section.alt{background:#fff}
.section.dark{background:var(--deep);color:#fff}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
.section-kicker{color:var(--brand);font-weight:800;font-size:13px}
.section h2{font-size:clamp(26px,3vw,36px);line-height:1.3;margin:7px 0 0}
.section-intro{max-width:610px;color:var(--muted);font-size:15px}
.dark .section-intro{color:#bdc7d4}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 5px 20px rgba(24,34,48,.03);transition:transform .22s,box-shadow .22s,border-color .22s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#f0c4cb}
.card h3{font-size:18px;margin:14px 0 8px;line-height:1.45}
.card p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}
.badge{display:inline-block;padding:4px 9px;border-radius:20px;background:#fff0e2;color:#a8642b;font-size:11px;font-weight:700}
.list{list-style:none;margin:17px 0 0;padding:0;display:grid;gap:10px}
.list li{font-size:14px;color:var(--muted);padding-left:21px;position:relative}
.list li:before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:800}
.feature-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.feature-strip div{background:#fff;padding:23px}
.feature-strip strong{display:block;font-size:24px;color:var(--brand)}
.feature-strip span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
.content-card{padding:0;overflow:hidden}
.content-image{height:190px;overflow:hidden;background:#e9d9d8}
.content-image img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.content-card:hover .content-image img{transform:scale(1.04)}
.content-body{padding:20px}
.content-body h3{margin:0 0 8px}
.content-meta{display:flex;justify-content:space-between;gap:12px;margin-top:15px;color:#9aa3af;font-size:12px}
.news-list{display:grid;border-top:1px solid var(--line)}
.news-item{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}
.news-item h3{font-size:16px;font-weight:700;margin:0}
.news-item p{color:var(--muted);font-size:13px;margin:4px 0 0}
.news-item time{flex:none;color:#9aa3af;font-size:12px}
.category-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:48px;align-items:start}
.category-aside{position:sticky;top:105px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.category-aside h3{font-size:16px;margin:0 0 12px}
.category-aside a{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted);transition:color .2s}
.category-aside a:last-child{border-bottom:0}
.category-aside a:hover,.category-aside a.current{color:var(--brand-dark)}
.category-aside a.current{font-weight:700}
.topic-list{display:grid;gap:0}
.topic-row{display:grid;grid-template-columns:64px minmax(0,1fr) auto;align-items:center;gap:18px;padding:19px 0;border-bottom:1px solid var(--line)}
.topic-row:first-child{border-top:1px solid var(--line)}
.topic-no{font-size:13px;font-weight:800;color:var(--brand)}
.topic-row h3{font-size:17px;margin:0 0 4px}
.topic-row p{font-size:13px;color:var(--muted);margin:0}
.topic-count{font-size:12px;color:#9aa3af;white-space:nowrap}
.quote{height:100%;display:flex;flex-direction:column;justify-content:space-between}
.quote blockquote{font-size:15px;line-height:1.9;margin:0}
.quote footer{display:flex;align-items:center;gap:10px;margin-top:18px;color:var(--muted);font-size:13px}
.quote-mark{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--brand);font-weight:800}
.final-cta{background:var(--brand-dark);color:#fff;padding:62px 0}
.final-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.final-cta h2{font-size:32px;line-height:1.35;margin:0}
.final-cta p{color:#f1d5d9;margin:8px 0 0;font-size:14px}
.site-footer{background:#172130;color:#b7c1cd;padding:58px 0 24px}
.footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{max-width:350px}
.footer-brand .logo{color:#fff;display:block;margin-bottom:14px}
.footer-brand p{font-size:13px;line-height:1.8;margin:0}
.footer-links{display:flex;gap:70px}
.footer-links h4{color:#fff;font-size:14px;margin:0 0 13px}
.footer-links a{display:block;font-size:13px;margin:8px 0;color:#aeb8c5;transition:color .2s}
.footer-links a:hover{color:#f4a9b3}
.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:21px;font-size:12px;color:#8793a2}
@media(max-width:1024px){
 .hero-inner{gap:38px}
 .category-layout{grid-template-columns:220px minmax(0,1fr);gap:28px}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:768px){
 .container{width:min(100% - 32px,620px)}
 .navbar{height:68px;gap:12px}
 .menu-btn{display:block}
 .nav-action{display:none}
 .nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 16px 16px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 20px rgba(24,34,48,.07);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 14px}
 .hero-inner{min-height:0;padding:63px 0;grid-template-columns:1fr;gap:34px}
 .hero h1{font-size:42px}
 .hero-panel{max-width:560px}
 .section{padding:60px 0}
 .section-head{align-items:start;flex-direction:column;gap:12px}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .category-layout{grid-template-columns:1fr}
 .category-aside{position:static}
 .category-aside nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}
 .feature-strip{grid-template-columns:repeat(2,1fr)}
 .footer-top{flex-direction:column}
 .footer-links{gap:50px}
}
@media(max-width:520px){
 .container{width:calc(100% - 28px)}
 .logo{font-size:17px}
 .hero h1{font-size:36px}
 .hero-copy{font-size:15px}
 .hero-actions .btn{width:100%}
 .grid-3,.grid-4{grid-template-columns:1fr}
 .card{padding:20px}
 .content-card{padding:0}
 .feature-strip div{padding:18px}
 .topic-row{grid-template-columns:40px minmax(0,1fr);gap:10px}
 .topic-count{grid-column:2}
 .news-item{align-items:flex-start}
 .news-item time{font-size:11px}
 .final-cta-inner{align-items:flex-start;flex-direction:column}
 .final-cta h2{font-size:27px}
 .footer-links{gap:30px}
 .copyright{flex-direction:column;gap:5px}
}