/* roulang page: index */
:root{--ink:#171b2d;--muted:#73798d;--paper:#fbfaf8;--surface:#fff;--line:#e8e7ed;--accent:#e24d63;--accent2:#f19a55;--violet:#5c4fcf;--dark:#18192b;--radius:18px;--shadow:0 14px 36px rgba(26,25,51,.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:1.7}a{color:inherit;text-decoration:none}img{display:block;width:100%;object-fit:cover}button,input{font:inherit}.container{max-width:1180px;margin:auto;padding:0 22px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,248,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(232,231,237,.86)}
.navbar{min-height:76px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;white-space:nowrap}.brand-mark{width:35px;height:35px;border-radius:11px;background:var(--accent);color:#fff;display:grid;place-items:center;box-shadow:0 7px 16px rgba(226,77,99,.25)}.nav-link{font-size:14px;color:#555a70!important;padding:9px 13px!important;border-radius:10px}.nav-link:hover,.nav-link.active{color:var(--accent)!important;background:#fff0f2}.nav-action{border:1px solid var(--ink);border-radius:11px;padding:9px 15px;font-size:14px}.nav-action:hover{background:var(--ink);color:#fff}
.hero{padding:76px 0 62px;background:linear-gradient(110deg,#fff7f4 0%,#f5f2ff 100%);border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}.eyebrow,.section-kicker{color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.08em}.hero h1{font-size:clamp(34px,5vw,66px);line-height:1.15;letter-spacing:0;margin:15px 0 20px;max-width:700px}.hero h1 em{font-style:normal;color:var(--accent)}.hero-lead{font-size:17px;color:#5d6375;max-width:650px;margin-bottom:28px}.btn-main{background:var(--accent);border:1px solid var(--accent);color:#fff;border-radius:12px;padding:12px 21px;font-weight:700;box-shadow:0 10px 20px rgba(226,77,99,.2)}.btn-main:hover{background:#c83b52;color:#fff;transform:translateY(-2px)}.btn-soft{border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px 21px;font-weight:700}.btn-soft:hover{border-color:var(--accent);color:var(--accent)}.hero-note{display:flex;gap:22px;margin-top:30px;color:var(--muted);font-size:13px}.hero-note strong{display:block;color:var(--ink);font-size:21px;line-height:1.2}.hero-art{position:relative;min-height:390px;border-radius:28px;overflow:hidden;background:#25253b;box-shadow:var(--shadow)}.hero-art img{height:390px;opacity:.72}.hero-art:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(20,20,35,.85),transparent 70%)}.hero-caption{position:absolute;z-index:1;bottom:25px;left:27px;right:27px;color:#fff}.hero-caption h2{font-size:25px;margin:7px 0}.hero-caption p{margin:0;color:#d8d8e2;font-size:14px}
section{padding:76px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}.section-head h2{font-size:31px;line-height:1.25;margin:7px 0 0}.section-head p{max-width:570px;color:var(--muted);margin:0;font-size:14px}.more{color:var(--accent);font-weight:700;font-size:14px;white-space:nowrap}.content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.media-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;box-shadow:0 5px 16px rgba(26,25,51,.03)}.media-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#f1c3ca}.media-image{height:205px;position:relative;background:#ddd}.media-image img{height:100%}.badge{position:absolute;top:12px;left:12px;background:#fff;color:var(--accent);font-size:11px;border-radius:8px;padding:3px 8px;font-weight:800}.media-body{padding:15px 16px}.media-body h3{font-size:16px;margin:0 0 7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.rating{color:#e99836;font-weight:700}.dark-section{background:var(--dark);color:#fff}.dark-section .section-head p{color:#afb0c2}.dark-section .section-kicker{color:#ff9d8c}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature{padding:27px;background:#25263b;border:1px solid #393a50;border-radius:16px}.feature i{font-size:25px;color:#ff9d8c;margin-bottom:18px}.feature h3{font-size:19px;margin:0 0 9px}.feature p{color:#b5b5c5;font-size:14px;margin:0}
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.topic{padding:22px;background:#fff;border:1px solid var(--line);border-radius:15px}.topic h3{font-size:18px;margin:0 0 7px}.topic p{font-size:13px;color:var(--muted);margin:0}.topic a{display:inline-block;color:var(--violet);font-size:13px;font-weight:700;margin-top:13px}
.chart{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.chart-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}.bar{margin:16px 0}.bar-label{display:flex;justify-content:space-between;font-size:13px;margin-bottom:6px}.bar-track{height:9px;border-radius:8px;background:#f0eff4;overflow:hidden}.bar-fill{height:100%;border-radius:8px;background:linear-gradient(90deg,var(--accent),var(--accent2))}
.resource-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.resource-main{min-height:250px;border-radius:20px;overflow:hidden;position:relative;color:#fff}.resource-main img{height:100%;position:absolute;inset:0;opacity:.65}.resource-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(20,20,35,.82),transparent)}.resource-text{position:absolute;z-index:1;bottom:24px;left:25px;right:25px}.resource-text h3{font-size:25px;margin:5px 0}.resource-side{display:grid;gap:14px}.resource-item{display:flex;gap:15px;align-items:center;background:#fff;border:1px solid var(--line);padding:13px;border-radius:14px}.resource-item img{width:90px;height:67px;border-radius:10px}.resource-item h4{font-size:15px;margin:0 0 4px}.resource-item span{font-size:12px;color:var(--muted)}
.rank-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px}.rank-list{background:#fff;border:1px solid var(--line);border-radius:18px;padding:8px 20px}.rank-row{display:grid;grid-template-columns:35px 1fr 70px 45px;gap:10px;align-items:center;padding:14px 0;border-bottom:1px solid #f0eff3;font-size:14px}.rank-row:last-child{border-bottom:0}.rank-number{font-size:20px;font-weight:800;color:#c6c5d0}.rank-row:nth-child(-n+3) .rank-number{color:var(--accent)}.rank-kind{color:var(--violet);font-size:11px;background:#f0efff;padding:3px 7px;border-radius:6px;text-align:center}.rank-hot{color:#e99836;font-size:12px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.news-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}.news-card img{height:145px}.news-card div{padding:15px}.news-card h3{font-size:16px;margin:0 0 7px}.news-card time{color:var(--muted);font-size:12px}
.form-band{background:#f4f0ff}.form-box{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center}.form-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:var(--shadow)}.form-control{border-radius:10px;border-color:var(--line);padding:11px 13px}.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(226,77,99,.12)}.faq-list{max-width:900px;margin:auto}.faq-item{border-bottom:1px solid var(--line);padding:19px 0}.faq-item summary{cursor:pointer;font-weight:700;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";float:right;color:var(--accent);font-size:22px}.faq-item[open] summary:after{content:"−"}.faq-item p{color:var(--muted);font-size:14px;margin:12px 28px 0 0}
.site-footer{background:#151624;color:#c5c6d1;padding:54px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px}.site-footer .brand{color:#fff;margin-bottom:14px}.footer-title{color:#fff;font-size:14px;font-weight:800;margin-bottom:13px}.footer-links{display:grid;gap:7px;font-size:13px}.footer-links a:hover{color:#ff9d8c}.footer-desc{font-size:13px;color:#9799aa;max-width:280px}.copyright{border-top:1px solid #303143;margin-top:38px;padding-top:18px;font-size:12px;color:#858799}
@media(max-width:1024px){.content-grid{grid-template-columns:repeat(3,1fr)}.hero-grid{gap:30px}.footer-grid{grid-template-columns:1.4fr repeat(2,1fr)}}
@media(max-width:768px){.hero{padding:55px 0}.hero-grid,.chart,.resource-grid,.rank-layout,.form-box{grid-template-columns:1fr}.hero-art{min-height:300px}.hero-art img{height:300px}.content-grid{grid-template-columns:repeat(2,1fr)}.feature-grid,.matrix,.news-grid{grid-template-columns:repeat(2,1fr)}.section-head{display:block}.section-head p{margin-top:10px}.more{display:inline-block;margin-top:12px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.container{padding:0 16px}.brand{font-size:15px}.nav-action{display:none}.hero h1{font-size:35px}.hero-lead{font-size:15px}.hero-note{gap:15px}.content-grid,.feature-grid,.matrix,.news-grid{grid-template-columns:1fr}.media-image{height:230px}.section-head h2{font-size:26px}.rank-row{grid-template-columns:30px 1fr 55px 38px;font-size:13px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}}

/* roulang page: category1 */
:root{--ink:#171b2d;--muted:#73798d;--paper:#fbfaf8;--surface:#fff;--line:#e8e7ed;--accent:#e24d63;--accent2:#f19a55;--violet:#5c4fcf;--dark:#18192b;--radius:18px;--shadow:0 14px 36px rgba(26,25,51,.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:1.7}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
.container{max-width:1180px;margin:auto;padding:0 22px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,248,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(232,231,237,.86)}
.navbar{min-height:76px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;white-space:nowrap}
.brand-mark{width:35px;height:35px;border-radius:11px;background:var(--accent);color:#fff;display:grid;place-items:center;box-shadow:0 7px 16px rgba(226,77,99,.25)}
.nav-link{font-size:14px;color:#555a70!important;padding:9px 13px!important;border-radius:10px}
.nav-link:hover,.nav-link.active{color:var(--accent)!important;background:#fff0f2}
.nav-action{border:1px solid var(--ink);border-radius:11px;padding:9px 15px;font-size:14px}
.nav-action:hover{background:var(--ink);color:#fff}
.hero{padding:74px 0 65px;background:linear-gradient(110deg,#fff7f4 0%,#f5f2ff 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:55px;align-items:center}
.eyebrow,.section-kicker{color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.08em}
.hero h1{font-size:clamp(34px,5vw,62px);line-height:1.15;margin:15px 0 20px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-lead{font-size:17px;color:#5d6375;max-width:650px;margin-bottom:28px}
.btn-main{background:var(--accent);border:1px solid var(--accent);color:#fff;border-radius:12px;padding:12px 21px;font-weight:700;box-shadow:0 10px 20px rgba(226,77,99,.2);transition:.25s}
.btn-main:hover{background:#c83b52;color:#fff;transform:translateY(-2px)}
.btn-soft{border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px 21px;font-weight:700;transition:.25s}
.btn-soft:hover{border-color:var(--accent);color:var(--accent)}
.hero-art{min-height:350px;border-radius:28px;overflow:hidden;position:relative;background:#25253b;box-shadow:var(--shadow)}
.hero-art img{height:350px;opacity:.72}
.hero-art:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(20,20,35,.86),transparent 70%)}
.hero-caption{position:absolute;z-index:1;left:28px;right:28px;bottom:25px;color:#fff}
.hero-caption h2{font-size:26px;margin:8px 0}
.hero-caption p{margin:0;color:#d8d8e2;font-size:14px}
.hero-pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
.hero-pills span{padding:7px 12px;border-radius:20px;background:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.8);font-size:12px;color:#5d5267}
section{padding:76px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
.section-head h2{font-size:31px;line-height:1.25;margin:7px 0 0}
.section-head p{max-width:570px;color:var(--muted);margin:0;font-size:14px}
.topic-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
.topic-feature{min-height:360px;position:relative;border-radius:22px;overflow:hidden;color:#fff}
.topic-feature img{position:absolute;inset:0;height:100%;opacity:.7}
.topic-feature:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(21,20,38,.9),transparent 68%)}
.topic-feature-content{position:absolute;z-index:1;left:30px;right:30px;bottom:28px}
.topic-feature h3{font-size:29px;margin:8px 0}
.topic-feature p{color:#e0deea;margin:0;max-width:540px}
.topic-side{display:grid;gap:14px}
.topic-card{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;transition:.25s}
.topic-card:hover{transform:translateX(4px);border-color:#f1c3ca;box-shadow:var(--shadow)}
.topic-card img{width:112px;height:90px;border-radius:11px}
.topic-card h3{font-size:17px;margin:0 0 5px}
.topic-card p{color:var(--muted);font-size:13px;line-height:1.5;margin:0}
.matrix{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.matrix-item{padding:24px;border:1px solid var(--line);border-radius:16px;background:#fff;transition:.25s}
.matrix-item:hover{border-color:#e9aeba;box-shadow:var(--shadow);transform:translateY(-3px)}
.matrix-item i{color:var(--accent);font-size:23px;margin-bottom:14px}
.matrix-item h3{font-size:18px;margin:0 0 7px}
.matrix-item p{font-size:13px;color:var(--muted);margin:0}
.dark-section{background:var(--dark);color:#fff}
.dark-section .section-head p{color:#afb0c2}
.dark-section .section-kicker{color:#ff9d8c}
.signal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.signal{padding:28px;background:#25263b;border:1px solid #393a50;border-radius:16px}
.signal strong{font-size:34px;color:#ffb19e;display:block;line-height:1.2}
.signal span{display:block;color:#b5b5c5;font-size:13px;margin-top:7px}
.rank-list{background:#fff;border:1px solid var(--line);border-radius:18px;padding:8px 20px}
.rank-row{display:grid;grid-template-columns:42px 1fr 90px 60px 72px;gap:10px;align-items:center;padding:14px 0;border-bottom:1px solid #f0eff3;font-size:14px}
.rank-row:last-child{border-bottom:0}
.rank-number{font-size:18px;font-weight:800;color:#bbb}
.rank-row:nth-child(-n+3) .rank-number{color:var(--accent)}
.rank-tag{font-size:11px;background:#f3f0ff;color:var(--violet);border-radius:7px;padding:3px 7px;text-align:center}
.rank-hot{color:var(--accent);font-weight:700}
.info-band{background:#f4f0ff}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.info-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:27px}
.info-panel h3{font-size:22px;margin:0 0 16px}
.info-panel p{font-size:14px;color:var(--muted)}
.timeline{border-left:2px solid #f1c3ca;padding-left:21px}
.timeline-item{position:relative;margin-bottom:22px}
.timeline-item:last-child{margin-bottom:0}
.timeline-item:before{content:"";position:absolute;left:-29px;top:8px;width:13px;height:13px;border-radius:50%;background:var(--accent);border:3px solid #fff0f2}
.timeline-item time{color:var(--accent);font-size:12px;font-weight:700}
.timeline-item h4{font-size:16px;margin:3px 0}
.timeline-item p{margin:0;font-size:13px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.25s}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.news-card img{height:145px}
.news-card div{padding:15px}
.news-card h3{font-size:16px;margin:0 0 7px}
.news-card time{color:var(--muted);font-size:12px}
.faq-list{max-width:900px;margin:auto}
.faq-item{border-bottom:1px solid var(--line);padding:19px 0}
.faq-item summary{cursor:pointer;font-weight:700;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";float:right;color:var(--accent);font-size:22px}
.faq-item[open] summary:after{content:"−"}
.faq-item p{color:var(--muted);font-size:14px;margin:12px 28px 0 0}
.cta-band{padding:60px 0;background:#fff3ef}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:24px}
.cta-box h2{font-size:30px;margin:0 0 8px}
.cta-box p{color:var(--muted);margin:0}
.site-footer{background:#151624;color:#c5c6d1;padding:54px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}
.footer-desc{color:#8f91a3;font-size:13px;max-width:280px;margin-top:16px}
.footer-title{color:#fff;font-weight:700;margin-bottom:13px}
.footer-links{display:grid;gap:8px;font-size:13px;color:#a7a8b8}
.footer-links a:hover{color:#ff9d8c}
.copyright{border-top:1px solid #303141;margin-top:38px;padding-top:18px;color:#77798b;font-size:12px}
@media(max-width:1024px){.hero-grid,.topic-layout,.info-grid{grid-template-columns:1fr}.hero-art{max-width:700px}.matrix-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.navbar{min-height:68px}.hero{padding:54px 0}.hero h1{font-size:42px}.section-head{display:block}.section-head p{margin-top:12px}.signal-grid,.news-grid{grid-template-columns:1fr 1fr}.rank-row{grid-template-columns:35px 1fr 65px 52px}.rank-tag{display:none}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.container{padding:0 16px}.brand{font-size:15px}.brand-mark{width:32px;height:32px}.hero h1{font-size:35px}.hero-lead{font-size:15px}.hero-art,.hero-art img{min-height:290px;height:290px}.hero-caption h2{font-size:22px}.matrix-grid,.signal-grid,.news-grid{grid-template-columns:1fr}.topic-feature{min-height:300px}.topic-card img{width:88px;height:74px}.rank-list{padding:8px 14px}.rank-row{grid-template-columns:28px 1fr 62px;font-size:13px}.rank-row .rating{display:none}.cta-box{display:block}.cta-box .btn-main{margin-top:20px}.footer-grid{grid-template-columns:1fr}.nav-action{display:inline-block;margin-top:8px}}