/* roulang page: index */
:root{--ink:#17202b;--muted:#697586;--paper:#f5f7fa;--white:#fff;--line:#e3e8ef;--accent:#d85b42;--accent-dark:#a83e2b;--teal:#247c78;--navy:#182b3c;--radius:16px;--shadow:0 14px 38px rgba(24,43,60,.09)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px}a{color:inherit;text-decoration:none;transition:.25s ease}img{display:block;width:100%;object-fit:cover}button,input{font:inherit}button:focus,a:focus,input:focus{outline:3px solid rgba(216,91,66,.25);outline-offset:3px}.container{width:min(1180px,calc(100% - 40px));margin:auto}.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-wrap{height:76px;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:12px;min-width:max-content}.brand-mark{display:grid;place-items:center;width:38px;height:38px;background:var(--accent);color:white;border-radius:11px;font-weight:800;letter-spacing:-1px}.brand-name{font-size:18px;font-weight:800;letter-spacing:.2px}.main-nav{display:flex;align-items:center;gap:7px;margin-left:auto}.main-nav a{padding:9px 13px;color:var(--muted);border-radius:9px;font-weight:600}.main-nav a:hover,.main-nav a.active{background:#fff0ec;color:var(--accent-dark)}.nav-badge{margin-left:8px;padding:7px 14px;border:1px solid #f0c2b8;border-radius:999px;color:var(--accent-dark);font-size:13px;font-weight:700}.menu-toggle{display:none;background:transparent;border:0;color:var(--ink);font-size:25px;margin-left:auto}
    .hero{position:relative;min-height:590px;display:flex;align-items:center;overflow:hidden;background:var(--navy);color:#fff}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,29,42,.94) 0%,rgba(14,29,42,.75) 43%,rgba(14,29,42,.23) 100%),url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=1800&q=85") center/cover}.hero-inner{position:relative;padding:92px 0 84px}.eyebrow{color:#f5a18f;font-size:12px;letter-spacing:2px;font-weight:800;text-transform:uppercase}.hero h1{font-size:clamp(34px,5vw,66px);line-height:1.18;max-width:720px;margin:16px 0 20px;letter-spacing:0}.hero h1 span{color:#ff9b82}.hero-copy{max-width:680px;color:#dbe4ea;font-size:17px;margin-bottom:28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:12px 21px;font-weight:800;border:1px solid transparent;transition:.25s ease}.button.primary{background:var(--accent);color:#fff}.button.primary:hover{background:#ec7459;transform:translateY(-2px)}.button.ghost{border-color:rgba(255,255,255,.35);color:#fff}.button.ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}.hero-stats{display:flex;gap:36px;margin-top:48px}.stat strong{display:block;font-size:26px;line-height:1.2}.stat small{color:#aebdc8}.section{padding:82px 0}.section.alt{background:#fff}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}.section-kicker{color:var(--accent);font-size:12px;font-weight:800;letter-spacing:1.8px}.section-title{margin:7px 0 0;font-size:30px;line-height:1.3;letter-spacing:0}.section-desc{max-width:650px;color:var(--muted);margin:10px 0 0}.text-link{color:var(--accent-dark);font-weight:800;border-bottom:1px solid #efb4a8}.text-link:hover{color:var(--ink)}.triple-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:190px;box-shadow:0 6px 20px rgba(24,43,60,.04)}.feature:nth-child(2){background:#eff8f6}.feature:nth-child(3){background:#fff5f1}.feature-icon{width:42px;height:42px;border-radius:12px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:18px}.feature h3{font-size:19px;margin:0 0 7px}.feature p{margin:0;color:var(--muted)}.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.matrix-item{padding:22px;border:1px solid var(--line);border-radius:13px;background:#fff;min-height:160px}.matrix-item:hover{border-color:#e6a092;box-shadow:var(--shadow);transform:translateY(-3px)}.matrix-item h3{font-size:18px;margin:0 0 8px}.matrix-item p{font-size:13px;color:var(--muted);margin:0}.matrix-mark{color:var(--accent);font-weight:900;font-size:24px;margin-bottom:10px}.content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.media-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 15px rgba(24,43,60,.04);transition:.25s ease}.media-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.media-image{height:225px;position:relative;background:#dce3e8}.media-image img{height:100%}.badge{position:absolute;top:12px;left:12px;background:rgba(24,43,60,.9);color:#fff;padding:4px 9px;border-radius:6px;font-size:11px;font-weight:800}.card-body{padding:16px}.card-body h3{font-size:16px;line-height:1.45;margin:0 0 6px}.meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.score{color:var(--accent-dark);font-weight:800}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic{min-height:220px;border-radius:var(--radius);padding:25px;color:#fff;display:flex;flex-direction:column;justify-content:end;overflow:hidden;position:relative;background-size:cover;background-position:center}.topic:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 25%,rgba(13,25,34,.88))}.topic>*{position:relative;z-index:1}.topic h3{font-size:21px;margin:0 0 5px}.topic p{font-size:13px;color:#dce6e9;margin:0}.topic.one{background-image:url("https://images.unsplash.com/photo-1517604931442-7e0c8ed2963c?auto=format&fit=crop&w=800&q=80")}.topic.two{background-image:url("https://images.unsplash.com/photo-1485846234645-a62644f84728?auto=format&fit=crop&w=800&q=80")}.topic.three{background-image:url("https://images.unsplash.com/photo-1536440136628-849c177e76a1?auto=format&fit=crop&w=800&q=80")}.news-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:25px}.news-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.news-main img{height:290px}.news-main .card-body{padding:23px}.news-main h3{font-size:24px;line-height:1.4}.news-list{display:flex;flex-direction:column;gap:12px}.news-item{display:flex;gap:14px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:12px}.news-item img{width:105px;height:78px;border-radius:8px;flex:0 0 auto}.news-item h3{font-size:15px;line-height:1.45;margin:3px 0}.news-item time{font-size:12px;color:var(--muted)}.rank-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:25px}.ranking{background:var(--navy);color:#fff;border-radius:var(--radius);padding:25px}.rank-row{display:grid;grid-template-columns:38px 1fr 70px 48px;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12)}.rank-row:last-child{border:0}.rank-no{color:#f5a18f;font-size:20px;font-weight:900}.rank-row small{color:#aebdc8}.rank-hot{color:#ffb39e;font-size:12px}.quote-panel{background:#eaf5f3;border-radius:var(--radius);padding:31px;display:flex;flex-direction:column;justify-content:center}.quote-panel blockquote{font-size:23px;line-height:1.55;margin:0 0 24px;font-weight:700}.quote-panel cite{font-style:normal;color:var(--teal);font-size:13px;font-weight:800}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.metric{background:#fff;padding:26px}.metric strong{display:block;font-size:34px;color:var(--navy);line-height:1.2}.metric span{color:var(--muted);font-size:13px}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.faq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}.faq h3{font-size:16px;margin:0 0 7px}.faq p{color:var(--muted);font-size:14px;margin:0}.closing{background:var(--accent);color:#fff;padding:64px 0}.closing-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}.closing h2{font-size:32px;line-height:1.3;margin:0 0 8px}.closing p{margin:0;color:#ffe2db}.closing .button{background:#fff;color:var(--accent-dark)}.closing .button:hover{background:#fff2ee}.footer{background:var(--navy);color:#dbe4ea;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.14)}.footer h3{color:#fff;font-size:15px;margin:0 0 15px}.footer p,.footer a{color:#aebdc8;font-size:13px}.footer a{display:block;margin:7px 0}.footer a:hover{color:#fff}.footer-brand{font-size:20px;font-weight:800;color:#fff!important}.copyright{padding-top:19px;color:#8fa0ad;font-size:12px;display:flex;justify-content:space-between;gap:20px}
    @media(max-width:1024px){.content-grid{grid-template-columns:repeat(3,1fr)}.matrix{grid-template-columns:repeat(2,1fr)}.nav-badge{display:none}.hero{min-height:540px}}
    @media(max-width:768px){.container{width:min(100% - 30px,620px)}.nav-wrap{height:68px}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 15px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px}.menu-toggle{display:block}.hero-inner{padding:75px 0 70px}.hero-copy{font-size:15px}.hero-stats{gap:24px;margin-top:35px}.section{padding:62px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:15px}.triple-grid,.topic-grid,.news-layout,.rank-layout{grid-template-columns:1fr}.content-grid{grid-template-columns:repeat(2,1fr)}.media-image{height:200px}.metrics{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.closing-inner{display:block}.closing .button{margin-top:22px}}
    @media(max-width:520px){body{font-size:14px}.brand-name{font-size:16px}.hero h1{font-size:36px}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat strong{font-size:21px}.stat small{font-size:11px}.content-grid{grid-template-columns:1fr 1fr;gap:11px}.media-image{height:155px}.card-body{padding:12px}.card-body h3{font-size:14px}.matrix{grid-template-columns:1fr 1fr;gap:10px}.matrix-item{padding:16px;min-height:145px}.topic{min-height:190px}.news-main img{height:210px}.news-main h3{font-size:20px}.rank-row{grid-template-columns:30px 1fr 52px 40px;gap:7px}.faq-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.copyright{display:block}.copyright span{display:block;margin-top:8px}.section-title{font-size:25px}}

/* roulang page: category1 */
:root{--ink:#17202b;--muted:#697586;--paper:#f5f7fa;--white:#fff;--line:#e3e8ef;--accent:#d85b42;--accent-dark:#a83e2b;--teal:#247c78;--navy:#182b3c;--radius:16px;--shadow:0 14px 38px rgba(24,43,60,.09)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button:focus,a:focus,input:focus{outline:3px solid rgba(216,91,66,.25);outline-offset:3px}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;background:var(--accent);color:#fff;border-radius:11px;font-weight:800;letter-spacing:-1px}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.2px}
.main-nav{display:flex;align-items:center;gap:7px;margin-left:auto}
.main-nav a{padding:9px 13px;color:var(--muted);border-radius:9px;font-weight:600}
.main-nav a:hover,.main-nav a.active{background:#fff0ec;color:var(--accent-dark)}
.nav-badge{margin-left:8px;padding:7px 14px;border:1px solid #f0c2b8;border-radius:999px;color:var(--accent-dark);font-size:13px;font-weight:700}
.menu-toggle{display:none;background:transparent;border:0;color:var(--ink);font-size:25px;margin-left:auto}
.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,29,42,.94),rgba(14,29,42,.75) 45%,rgba(14,29,42,.28)),url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=1800&q=85") center/cover}
.hero-inner{position:relative;padding:88px 0 76px;text-align:center}
.eyebrow{color:#f5a18f;font-size:12px;letter-spacing:2px;font-weight:800}
.hero h1{font-size:clamp(34px,5vw,62px);line-height:1.2;max-width:800px;margin:16px auto 18px}
.hero h1 span{color:#ff9b82}
.hero-copy{max-width:700px;color:#dbe4ea;font-size:17px;margin:0 auto 28px}
.search-box{display:flex;max-width:650px;margin:28px auto 18px;background:#fff;border-radius:12px;padding:6px;box-shadow:0 15px 35px rgba(0,0,0,.18)}
.search-box input{flex:1;min-width:0;border:0;padding:12px 15px;color:var(--ink);background:transparent}
.search-box button{border:0;background:var(--accent);color:#fff;border-radius:9px;padding:11px 22px;font-weight:800;cursor:pointer}
.search-box button:hover{background:#ec7459}
.chips{display:flex;justify-content:center;gap:9px;flex-wrap:wrap}
.chip{padding:6px 12px;border:1px solid rgba(255,255,255,.28);border-radius:999px;color:#dbe4ea;font-size:13px}
.section{padding:78px 0}
.section.alt{background:#fff}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}
.section-kicker{color:var(--accent);font-size:12px;font-weight:800;letter-spacing:1.8px}
.section-title{margin:7px 0 0;font-size:30px;line-height:1.3}
.section-desc{max-width:650px;color:var(--muted);margin:10px 0 0}
.text-link{color:var(--accent-dark);font-weight:800;border-bottom:1px solid #efb4a8}
.topic-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
.topic-panel{background:var(--navy);color:#fff;border-radius:var(--radius);padding:32px;min-height:310px}
.topic-panel h3{font-size:26px;margin:0 0 12px}
.topic-panel p{color:#c3d0d8;max-width:540px}
.topic-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
.topic-tags span{padding:7px 12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);border-radius:8px;color:#fff;font-size:13px}
.signal-list{display:grid;gap:12px}
.signal{background:#eff8f6;border:1px solid #d7ebe7;border-radius:12px;padding:19px 21px}
.signal strong{display:block;color:var(--teal);font-size:25px;line-height:1.2}
.signal span{color:var(--muted);font-size:13px}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.category-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:190px;transition:.25s ease}
.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#e7a092}
.category-card:nth-child(2n){background:#fff8f5}
.category-icon{width:43px;height:43px;display:grid;place-items:center;border-radius:12px;background:var(--teal);color:#fff;font-weight:800;margin-bottom:17px}
.category-card h3{margin:0 0 8px;font-size:19px}
.category-card p{margin:0;color:var(--muted);font-size:14px}
.category-card a{display:inline-block;margin-top:15px;color:var(--accent-dark);font-size:13px;font-weight:800}
.featured-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
.featured-image{height:320px;border-radius:var(--radius);overflow:hidden;position:relative}
.featured-image img{height:100%}
.featured-overlay{position:absolute;inset:auto 0 0;padding:50px 25px 23px;background:linear-gradient(transparent,rgba(15,30,43,.9));color:#fff}
.featured-overlay h3{margin:0;font-size:25px}
.featured-copy{padding:12px 0}
.featured-copy h3{font-size:25px;margin:0 0 12px}
.featured-copy p{color:var(--muted)}
.featured-meta{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.badge{display:inline-block;background:#fff0ec;color:var(--accent-dark);padding:5px 10px;border-radius:6px;font-size:12px;font-weight:800}
.rank-panel{background:var(--navy);color:#fff;border-radius:var(--radius);padding:24px 28px}
.rank-row{display:grid;grid-template-columns:42px 1fr 82px 48px;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.rank-row:last-child{border:0}
.rank-no{color:#ff9b82;font-size:20px;font-weight:800}
.rank-row small{color:#aebdc8}
.rank-score{color:#fff;font-weight:800;text-align:right}
.news-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.news-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.news-main img{height:245px}
.card-body{padding:21px}
.card-body h3{font-size:21px;line-height:1.45;margin:0 0 7px}
.card-body p{color:var(--muted);margin:0}
.news-list{display:flex;flex-direction:column;gap:12px}
.news-item{display:flex;gap:14px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:12px}
.news-item img{width:112px;height:78px;border-radius:8px;flex:0 0 auto}
.news-item h3{font-size:15px;line-height:1.45;margin:3px 0}
.news-item time{font-size:12px;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.faq h3{font-size:16px;margin:0 0 7px}
.faq p{color:var(--muted);font-size:14px;margin:0}
.closing{background:var(--accent);color:#fff;text-align:center;padding:64px 0}
.closing h2{font-size:32px;margin:0 0 10px}
.closing p{color:#ffe5de;margin:0 auto 23px;max-width:650px}
.button{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:12px 21px;font-weight:800;border:1px solid transparent;transition:.25s ease}
.button.primary{background:var(--accent);color:#fff}
.button.primary:hover{background:#ec7459;transform:translateY(-2px)}
.button.light{background:#fff;color:var(--accent-dark)}
.button.light:hover{background:#fff2ee;transform:translateY(-2px)}
.footer{background:var(--navy);color:#dbe4ea;padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer h3{color:#fff;font-size:15px;margin:0 0 15px}
.footer p,.footer a{color:#aebdc8;font-size:13px}
.footer a{display:block;margin:7px 0}
.footer a:hover{color:#fff}
.footer-brand{font-size:20px;font-weight:800;color:#fff!important}
.copyright{padding-top:19px;color:#8fa0ad;font-size:12px;display:flex;justify-content:space-between;gap:20px}
@media(max-width:1024px){.category-grid{grid-template-columns:repeat(2,1fr)}.nav-wrap{gap:16px}.main-nav a{padding:8px 9px}.nav-badge{display:none}}
@media(max-width:768px){.container{width:min(100% - 30px,620px)}.nav-wrap{height:68px}.brand-name{font-size:16px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 15px;flex-direction:column;align-items:stretch;box-shadow:0 12px 25px rgba(24,43,60,.08)}.main-nav.open{display:flex}.main-nav a{text-align:center}.hero-inner{padding:70px 0 62px}.hero-copy{font-size:15px}.section{padding:58px 0}.section-head{display:block}.section-title{font-size:27px}.topic-layout,.featured-grid,.news-layout{grid-template-columns:1fr}.category-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.copyright{display:block}.copyright span{display:block;margin-top:7px}}
@media(max-width:520px){.container{width:calc(100% - 28px)}.hero h1{font-size:34px}.search-box{display:block;background:transparent;padding:0}.search-box input{width:100%;background:#fff;border-radius:9px;margin-bottom:9px;padding:13px}.search-box button{width:100%}.category-grid,.faq-grid{grid-template-columns:1fr}.topic-panel{padding:24px}.rank-panel{padding:18px 16px}.rank-row{grid-template-columns:32px 1fr 48px;gap:8px}.rank-row small{grid-column:2}.rank-score{grid-column:3;grid-row:1}.featured-image{height:255px}.news-item img{width:92px;height:68px}.footer-grid{grid-template-columns:1fr}.footer{padding-top:45px}}