/* roulang page: index */
:root{
  --blue:#1769aa;--blue-deep:#124d7f;--cyan:#2e9dc2;--ink:#172536;--muted:#657487;
  --paper:#fff;--mist:#f3f7fa;--line:#dce6ed;--soft:#e8f3f8;--gold:#e89d45;
  --radius:8px;--shadow:0 12px 30px rgba(25,65,95,.09);--shadow-sm:0 5px 16px rgba(25,65,95,.07);
  --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 44px));margin:auto}
.section{padding:88px 0}
.section-tint{background:var(--mist)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
.section-head h2{font-size:32px;line-height:1.3;letter-spacing:-.03em;margin-top:8px}
.section-head p{max-width:570px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:6px;padding:11px 20px;font-weight:700;transition:.22s ease}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(1px) scale(.98)}
.btn:focus-visible,.nav-link:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(46,157,194,.3);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue);border-color:var(--line)}
.btn-quiet{color:var(--blue);padding-left:0;padding-right:0}
.badge{display:inline-block;padding:3px 9px;border-radius:4px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}
.topline{height:4px;background:var(--blue)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.navbar{height:72px;display:flex;align-items:center;gap:25px}
.logo{font-size:22px;font-weight:900;letter-spacing:-.06em;color:var(--blue);white-space:nowrap}
.logo span{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.05em;margin-left:8px}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{padding:8px 12px;color:#536477;font-weight:600;border-radius:5px;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--soft)}
.nav-tools{display:flex;align-items:center;gap:15px}
.live-status{display:flex;align-items:center;gap:7px;color:#4b6877;font-size:13px;white-space:nowrap}
.live-status i{width:8px;height:8px;background:#34b788;border-radius:50%;box-shadow:0 0 0 4px #e0f6ed}
.notice{width:32px;height:32px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--blue)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;padding:7px 10px;border-radius:5px;color:var(--blue)}
.hero{padding:70px 0 52px;background:#f5f9fb;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-120px;top:-170px;width:560px;height:560px;border:1px solid #d6e9f1;border-radius:50%;box-shadow:0 0 0 70px rgba(218,239,246,.5),0 0 0 140px rgba(232,245,249,.6)}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:65px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:52px;line-height:1.18;letter-spacing:-.055em;margin:16px 0 22px;max-width:680px}
.hero-copy{font-size:18px;color:#526579;max-width:650px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:29px 0 28px}
.hero-points{display:flex;gap:25px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:18px}
.hero-points strong{display:block;font-size:24px;color:var(--blue);line-height:1.2}
.hero-points span{font-size:13px;color:var(--muted)}
.matrix{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:22px;border-radius:var(--radius)}
.matrix-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:18px}
.matrix-top strong{font-size:17px}
.signal{font-size:12px;color:#248565;background:#e8f8f1;padding:4px 9px;border-radius:4px}
.icon-matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.icon-cell{min-height:100px;background:#f6fafc;border:1px solid #e4eef3;padding:13px;display:flex;flex-direction:column;justify-content:space-between;border-radius:6px}
.icon-cell b{font-size:25px;color:var(--blue);font-weight:500}
.icon-cell span{font-weight:700;font-size:13px}
.status-bar{margin-top:18px;background:#edf5f8;padding:12px 14px;display:flex;justify-content:space-between;gap:12px;color:#527080;font-size:12px}
.intro-band{padding:26px 0;border-bottom:1px solid var(--line)}
.intro-band .container{display:flex;justify-content:space-between;gap:30px;align-items:center}
.intro-band p{color:var(--muted);max-width:760px}
.entry-grid{display:grid;grid-template-columns:1.3fr repeat(2,1fr);gap:16px}
.entry-card{border:1px solid var(--line);padding:25px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);min-height:210px}
.entry-card.featured{background:var(--blue);color:#fff;border-color:var(--blue)}
.entry-card p{color:var(--muted);margin:10px 0 17px}.featured p{color:#dcecf5}
.entry-card h3{font-size:20px}.entry-icon{font-size:27px;color:var(--cyan);margin-bottom:12px}.featured .entry-icon{color:#bce8f2}
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:65px;align-items:center}
.split img{width:100%;height:330px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.text-body p{color:var(--muted);margin:14px 0}
.check-list{list-style:none;margin:22px 0}.check-list li{position:relative;padding:7px 0 7px 28px}.check-list li:before{content:"✓";position:absolute;left:0;top:7px;color:var(--cyan);font-weight:900}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{background:#fff;border:1px solid var(--line);padding:25px 20px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}.stat strong{font-size:34px;color:var(--blue);display:block;line-height:1.2}.stat span{color:var(--muted);font-size:13px}.meter{height:5px;background:#e5eef2;margin-top:16px}.meter i{height:100%;display:block;background:var(--cyan)}
.feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.feature-main{position:relative;min-height:350px;color:#fff;overflow:hidden;border-radius:var(--radius)}.feature-main img{width:100%;height:100%;object-fit:cover}.feature-main:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(13,38,57,.85))}.feature-caption{position:absolute;z-index:1;bottom:23px;left:25px;right:25px}.feature-caption h3{font-size:25px;line-height:1.35;margin:8px 0}.feature-side{display:grid;gap:18px}.mini-feature{display:grid;grid-template-columns:125px 1fr;gap:16px;border:1px solid var(--line);padding:12px;background:#fff;border-radius:var(--radius)}.mini-feature img{width:125px;height:115px;object-fit:cover;border-radius:5px}.mini-feature h3{font-size:16px;line-height:1.45}.mini-feature p{font-size:13px;color:var(--muted);margin-top:7px}
.news-layout{display:grid;grid-template-columns:1.28fr .72fr;gap:35px}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:92px 1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.news-date{font-size:13px;color:var(--muted)}.news-item h3{font-size:17px}.news-item p{font-size:13px;color:var(--muted);margin-top:3px}.read{font-size:13px;color:var(--blue);font-weight:700;white-space:nowrap}.side-panel{background:#f5f9fb;border:1px solid var(--line);padding:25px;border-radius:var(--radius)}.side-panel h3{margin-bottom:15px}.rank{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}.rank b{color:var(--cyan);font-size:19px}.rank p{font-size:14px}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.plan{padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.plan h3{font-size:20px}.plan p{color:var(--muted);margin:10px 0 15px}.plan ul{list-style:none;color:#536579;font-size:14px}.plan li{padding:6px 0;border-top:1px dashed var(--line)}
.brand-story{display:grid;grid-template-columns:.78fr 1.22fr;gap:55px;background:var(--blue-deep);color:#fff;padding:58px;border-radius:var(--radius)}.brand-story p{color:#d9e8f0;margin:12px 0}.brand-story .eyebrow{color:#bde9f1}
.tag-row{display:flex;gap:9px;flex-wrap:wrap}.tag{border:1px solid var(--line);padding:8px 14px;color:#536579;border-radius:5px;background:#fff}.tag:hover{border-color:var(--cyan);color:var(--blue)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.review{padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}.stars{color:#e49c37;letter-spacing:2px}.review p{color:#526579;margin:12px 0}.review small{color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between}summary:after{content:"+";font-size:20px;color:var(--blue)}details[open] summary:after{content:"−"}details p{max-width:800px;color:var(--muted);padding:13px 28px 2px 0}
.cta{background:#eaf5f8;border:1px solid #d2e8ef;padding:38px;display:flex;justify-content:space-between;align-items:center;gap:25px;border-radius:var(--radius)}.cta h2{font-size:28px}.cta p{color:var(--muted);margin-top:6px}
.form-box{display:flex;gap:9px;margin-top:18px}.form-box input{min-width:260px;border:1px solid var(--line);border-radius:5px;padding:11px 13px;background:#fff}.form-note{font-size:12px;color:var(--muted);margin-top:8px}
.footer{background:#142738;color:#dbe7ed;padding:55px 0 24px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px}.footer h3{color:#fff;margin-bottom:13px}.footer p,.footer a{color:#a8bdc8;font-size:13px}.footer a:hover{color:#fff}.footer-links{list-style:none}.footer-links li{margin:5px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#8fa8b6}
@media(max-width:1280px){.hero h1{font-size:46px}}
@media(max-width:1024px){.nav-menu{gap:0}.nav-link{padding:7px 8px;font-size:13px}.hero-grid,.split,.brand-story{gap:35px}.entry-grid{grid-template-columns:repeat(2,1fr)}.entry-card.featured{grid-column:span 2}.stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.navbar{height:64px}.nav-tools .live-status,.nav-tools .notice{display:none}.menu-toggle{display:block}.nav-menu{display:none;position:absolute;left:16px;right:16px;top:70px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:9px;flex-direction:column;align-items:stretch}.nav-menu.open{display:flex}.nav-link{display:block}.hero{padding:52px 0 38px}.hero-grid,.split,.feature-grid,.news-layout,.brand-story{grid-template-columns:1fr}.hero h1{font-size:39px}.hero:after{opacity:.5}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:10px}.feature-side{grid-template-columns:repeat(2,1fr)}.plan-grid,.review-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){body{font-size:14px}.logo{font-size:19px}.logo span{display:none}.hero h1{font-size:32px}.hero-copy{font-size:16px}.icon-matrix{grid-template-columns:repeat(2,1fr)}.entry-grid,.stats,.plan-grid,.review-grid,.feature-side{grid-template-columns:1fr}.entry-card.featured{grid-column:auto}.news-item{grid-template-columns:1fr;gap:4px}.news-item .read{margin-top:4px}.cta{display:block;padding:25px}.form-box{display:block}.form-box input{width:100%;min-width:0;margin-bottom:9px}.form-box .btn{width:100%}.brand-story{padding:30px 23px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* roulang page: category3 */
:root{
 --blue:#1769aa;--blue-deep:#124d7f;--cyan:#2e9dc2;--ink:#172536;--muted:#657487;
 --paper:#fff;--mist:#f3f7fa;--line:#dce6ed;--soft:#e8f3f8;--gold:#e89d45;
 --radius:8px;--shadow:0 12px 30px rgba(25,65,95,.09);--shadow-sm:0 5px 16px rgba(25,65,95,.07);
 --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 44px));margin:auto}
.section{padding:78px 0}
.section-tint{background:var(--mist)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-head h2{font-size:31px;line-height:1.3;letter-spacing:-.03em;margin-top:8px}
.section-head p{max-width:570px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:6px;padding:10px 18px;font-weight:700;transition:.22s ease}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(1px) scale(.98)}
.btn:focus-visible,.nav-link:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(46,157,194,.3);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue);border-color:var(--line)}
.btn-quiet{color:var(--blue);padding-left:0;padding-right:0}
.badge{display:inline-block;padding:3px 9px;border-radius:4px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.navbar{height:72px;display:flex;align-items:center;gap:25px}
.logo{font-size:22px;font-weight:900;letter-spacing:-.06em;color:var(--blue);white-space:nowrap}
.logo span{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.05em;margin-left:8px}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{padding:8px 12px;color:#536477;font-weight:600;border-radius:5px;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--soft)}
.nav-tools{display:flex;align-items:center;gap:15px}
.status{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:13px}
.status i{width:8px;height:8px;border-radius:50%;background:#4dbb8d;box-shadow:0 0 0 4px #e6f6ef}
.notice{font-size:20px;color:var(--blue)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;padding:7px 10px;border-radius:5px;color:var(--blue)}
.hero{padding:54px 0 50px;background:#f5f9fb;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-120px;top:-180px;width:560px;height:560px;border:1px solid #d6e9f1;border-radius:50%;box-shadow:0 0 0 70px rgba(218,239,246,.5),0 0 0 140px rgba(232,245,249,.6)}
.hero-grid{display:grid;grid-template-columns:.83fr 1.17fr;gap:52px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:46px;line-height:1.2;letter-spacing:-.055em;margin:15px 0 18px}
.hero-copy{font-size:17px;color:#526579;max-width:570px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:25px 0}
.hero-points{display:flex;gap:22px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:16px}
.hero-points strong{display:block;font-size:22px;color:var(--blue);line-height:1.2}
.hero-points span{font-size:12px;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual img{width:100%;height:315px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.score-panel{position:absolute;bottom:-22px;left:-28px;width:245px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:17px;box-shadow:var(--shadow)}
.score-panel small{color:var(--muted)}
.score-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-weight:700}
.score-row:last-child{border:0}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:18px 0;border-bottom:1px solid var(--line)}
.tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{border:1px solid var(--line);padding:7px 13px;color:#536579;border-radius:5px;background:#fff}
.tag:hover,.tag.active{border-color:var(--cyan);color:var(--blue);background:var(--soft)}
.search{display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff}
.search input{width:190px;border:0;padding:9px 12px;outline:0}
.search button{border:0;background:var(--blue);color:#fff;padding:0 14px}
.content-layout{display:grid;grid-template-columns:1.65fr .85fr;gap:30px}
.feature-story{display:grid;grid-template-columns:1.02fr .98fr;gap:24px;background:#fff;border:1px solid var(--line);padding:18px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.feature-story img{height:250px;width:100%;object-fit:cover;border-radius:6px}
.feature-story h3{font-size:24px;line-height:1.4;margin:12px 0}
.feature-story p,.article-card p,.side-card p{color:var(--muted)}
.article-list{margin-top:20px;border-top:1px solid var(--line)}
.article-card{display:grid;grid-template-columns:145px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}
.article-card img{width:145px;height:105px;object-fit:cover;border-radius:6px}
.article-card h3{font-size:18px;line-height:1.45;margin:4px 0}
.article-meta{font-size:12px;color:var(--muted)}
.side-column{display:grid;gap:18px;align-content:start}
.side-card{border:1px solid var(--line);padding:21px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.side-card h3{font-size:19px;margin-bottom:13px}
.rank-item{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px solid var(--line)}
.rank-item:last-child{border:0}
.rank-no{color:var(--gold);font-size:19px;font-weight:900}
.rank-item p{font-size:13px;line-height:1.5}
.data-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.data-cell{padding:24px;border-right:1px solid var(--line)}
.data-cell:last-child{border:0}
.data-cell strong{display:block;font-size:30px;color:var(--blue);line-height:1.2}
.data-cell span{font-size:13px;color:var(--muted)}
.dual-block{display:grid;grid-template-columns:.92fr 1.08fr;gap:50px;align-items:center}
.dual-block img{width:100%;height:300px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.check-list{list-style:none;margin:17px 0}
.check-list li{position:relative;padding:6px 0 6px 27px}
.check-list li:before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:900}
.timeline{border-left:2px solid #cfe5ed;padding-left:28px}
.timeline-item{position:relative;padding:0 0 25px}
.timeline-item:before{content:"";position:absolute;left:-36px;top:8px;width:12px;height:12px;border:3px solid var(--cyan);background:#fff;border-radius:50%}
.timeline-item h3{font-size:18px}
.timeline-item p{color:var(--muted);margin-top:4px}
.quote{background:var(--blue-deep);color:#fff;padding:35px;border-radius:var(--radius);display:grid;grid-template-columns:1fr 1fr;gap:34px}
.quote p{color:#dcecf5;font-size:17px}
.quote strong{font-size:30px;color:#bce8f2}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:17px 0}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:20px}
summary:after{content:"＋";color:var(--blue);font-size:20px}
details[open] summary:after{content:"－"}
details p{color:var(--muted);padding:10px 35px 0 0}
.cta{background:#eaf5f8;border:1px solid #d2e8ef;padding:34px;display:flex;justify-content:space-between;align-items:center;gap:25px;border-radius:var(--radius)}
.cta h2{font-size:27px}
.cta p{color:var(--muted);margin-top:5px}
.form-box{display:flex;gap:8px;margin-top:17px}
.form-box input{min-width:245px;border:1px solid var(--line);border-radius:6px;padding:10px 12px;background:#fff}
.footer{background:#142d42;color:#b9cbd6;padding:52px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px}
.footer h3{color:#fff;font-size:15px;margin-bottom:12px}
.footer p{color:#9eb5c2}
.footer-links{list-style:none}
.footer-links li{margin:7px 0}
.footer-links a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.15);padding-top:18px;margin-top:35px;font-size:12px}
@media(max-width:1280px){.hero h1{font-size:43px}}
@media(max-width:1024px){.nav-menu{gap:0}.nav-link{padding:7px 8px;font-size:13px}.hero-grid{gap:30px}.content-layout{grid-template-columns:1.45fr .85fr}.data-cell{padding:18px}}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 30px))}
 .navbar{height:65px;justify-content:space-between}.nav-tools{margin-left:auto}.status{display:none}.notice{display:none}.menu-toggle{display:block}
 .nav-menu{display:none;position:absolute;top:65px;left:15px;right:15px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:10px;flex-direction:column;align-items:stretch}.nav-menu.open{display:flex}.nav-link{padding:10px 12px}
 .hero{padding:42px 0 65px}.hero-grid,.dual-block,.quote{grid-template-columns:1fr}.hero h1{font-size:38px}.hero-visual{margin-top:15px}.score-panel{left:15px}
 .section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:10px}.content-layout{grid-template-columns:1fr}.feature-story{grid-template-columns:1fr}.data-strip{grid-template-columns:repeat(2,1fr)}.data-cell:nth-child(2){border-right:0}.data-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .footer-grid{grid-template-columns:repeat(2,1fr)}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
}
@media(max-width:480px){
 .logo{font-size:20px}.hero h1{font-size:32px}.hero-copy{font-size:15px}.hero-visual img{height:245px}.score-panel{position:relative;left:0;bottom:auto;width:100%;margin-top:12px}
 .article-card{grid-template-columns:1fr}.article-card img{width:100%;height:170px}.data-strip{grid-template-columns:1fr}.data-cell{border-right:0!important;border-bottom:1px solid var(--line)}.data-cell:last-child{border-bottom:0}
 .cta{display:block;padding:25px}.cta .btn{margin-top:17px}.form-box{display:block}.form-box input{width:100%;min-width:0;margin-bottom:8px}.form-box .btn{width:100%}.footer-grid{grid-template-columns:1fr}
}

/* roulang page: category2 */
:root{--blue:#1769aa;--blue-deep:#124d7f;--cyan:#2e9dc2;--ink:#172536;--muted:#657487;--paper:#fff;--mist:#f3f7fa;--line:#dce6ed;--soft:#e8f3f8;--gold:#e89d45;--radius:8px;--shadow:0 12px 30px rgba(25,65,95,.09);--shadow-sm:0 5px 16px rgba(25,65,95,.07);--max:1180px}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}a{color:inherit;text-decoration:none;transition:.25s ease}img{display:block;max-width:100%;height:auto}button,input{font:inherit}button{cursor:pointer}.container{width:min(var(--max),calc(100% - 44px));margin:auto}.section{padding:78px 0}.section-tint{background:var(--mist)}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;letter-spacing:.08em}.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}.section-head h2{font-size:31px;line-height:1.3;letter-spacing:-.03em;margin-top:8px}.section-head p{max-width:565px;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:6px;padding:11px 18px;font-weight:700;transition:.22s ease}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}.btn:active{transform:translateY(1px) scale(.98)}.btn:focus-visible,.nav-link:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(46,157,194,.3);outline-offset:3px}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-deep)}.btn-light{background:#fff;color:var(--blue);border-color:var(--line)}.btn-quiet{padding:0;color:var(--blue);font-size:14px}.badge{display:inline-block;padding:3px 9px;border-radius:4px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.navbar{height:72px;display:flex;align-items:center;gap:22px}.logo{font-size:22px;font-weight:900;letter-spacing:-.06em;color:var(--blue);white-space:nowrap}.logo span{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.05em;margin-left:8px}.nav-menu{display:flex;align-items:center;gap:3px;flex:1}.nav-link{padding:8px 11px;color:#536477;font-weight:600;border-radius:5px;white-space:nowrap;font-size:14px}.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--soft)}.nav-tools{display:flex;align-items:center;gap:13px}.status{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);white-space:nowrap}.status i{width:8px;height:8px;border-radius:50%;background:#49ac73;box-shadow:0 0 0 4px #e2f5e8}.bell{font-size:19px;color:var(--blue);line-height:1}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;padding:7px 10px;border-radius:5px;color:var(--blue)}.inner-hero{padding:54px 0 47px;background:linear-gradient(90deg,rgba(242,248,251,.96),rgba(242,248,251,.72)),url("/assets/images/backpic/back-2.webp") center/cover;position:relative;border-bottom:1px solid var(--line)}.crumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:17px}.crumb b{color:var(--blue)}.inner-hero-grid{display:grid;grid-template-columns:1fr 310px;gap:45px;align-items:end}.inner-hero h1{font-size:43px;line-height:1.2;letter-spacing:-.05em;margin:11px 0 16px}.inner-hero p{font-size:17px;max-width:700px;color:#536579}.score-panel{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:20px;border-radius:var(--radius)}.score-panel small{color:var(--muted)}.score-row{display:flex;justify-content:space-between;align-items:center;margin:10px 0}.score-row strong{font-size:27px;color:var(--blue)}.filterbar{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding:18px 0}.tags{display:flex;flex-wrap:wrap;gap:8px}.tag{border:1px solid var(--line);padding:6px 12px;color:#536579;border-radius:5px;background:#fff;font-size:13px}.tag:hover,.tag.active{border-color:var(--cyan);color:var(--blue);background:var(--soft)}.sort{color:var(--muted);font-size:13px}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 315px;gap:34px}.article-list{border-top:1px solid var(--line)}.article{display:grid;grid-template-columns:210px 1fr;gap:22px;padding:23px 0;border-bottom:1px solid var(--line)}.article img{width:210px;height:145px;object-fit:cover;border-radius:6px}.article h3{font-size:20px;line-height:1.45;margin:8px 0}.article p{color:var(--muted);font-size:14px;margin-bottom:9px}.meta{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:12px}.sidebar-box{border:1px solid var(--line);padding:20px;border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);margin-bottom:18px}.sidebar-box h3{font-size:18px;margin-bottom:12px}.rank-list{list-style:none;counter-reset:rank}.rank-list li{counter-increment:rank;padding:11px 0 11px 31px;border-bottom:1px dashed var(--line);position:relative;font-size:14px;line-height:1.55}.rank-list li:last-child{border:0}.rank-list li:before{content:counter(rank);position:absolute;left:0;top:11px;width:21px;height:21px;text-align:center;line-height:21px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:800;border-radius:4px}.data-board{display:grid;grid-template-columns:1.08fr .92fr;gap:20px}.data-feature{padding:31px;background:var(--blue-deep);color:#fff;border-radius:var(--radius);position:relative;overflow:hidden}.data-feature:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.23);border-radius:50%;right:-90px;bottom:-125px}.data-feature p{color:#d9e8f0;margin:10px 0 22px;max-width:520px}.data-number{font-size:44px;font-weight:900;line-height:1;color:#fff}.data-cards{display:grid;grid-template-columns:1fr 1fr;gap:15px}.data-card{padding:19px;border:1px solid var(--line);background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm)}.data-card strong{display:block;font-size:27px;color:var(--blue);line-height:1.2;margin:8px 0}.data-card p{font-size:13px;color:var(--muted)}.focus-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.focus-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:var(--radius);overflow:hidden}.focus-card img{width:100%;height:205px;object-fit:cover}.focus-card div{padding:20px}.focus-card h3{font-size:20px;line-height:1.45;margin:8px 0}.focus-card p{color:var(--muted);font-size:14px;margin-bottom:14px}.timeline{border-left:2px solid #c9e4ed;margin-left:9px;padding-left:29px}.timeline-item{position:relative;padding:0 0 27px}.timeline-item:before{content:"";width:12px;height:12px;border-radius:50%;background:var(--cyan);position:absolute;left:-36px;top:8px;box-shadow:0 0 0 5px #e7f4f7}.timeline-item h3{font-size:18px}.timeline-item p{color:var(--muted);margin-top:5px}.quote-box{padding:30px 34px;background:#eaf5f8;border-left:4px solid var(--cyan);color:#365368}.quote-box strong{display:block;color:var(--blue);font-size:18px;margin-bottom:8px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:17px 0}summary{cursor:pointer;font-weight:800;list-style:none;padding-right:30px;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:4px;color:var(--blue);font-size:22px;top:-5px}details[open] summary:after{content:"−"}details p{color:var(--muted);padding:10px 28px 2px 0}.cta{background:#eaf5f8;border:1px solid #d2e8ef;padding:37px;display:flex;justify-content:space-between;align-items:center;gap:25px;border-radius:var(--radius)}.cta h2{font-size:28px}.cta p{color:var(--muted);margin-top:6px}.form-box{display:flex;gap:9px;margin-top:17px}.form-box input{min-width:250px;border:1px solid var(--line);border-radius:6px;padding:10px 12px;background:#fff;outline:none}.form-box input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(46,157,194,.13)}.hint{font-size:12px;color:var(--muted);margin-top:7px}.footer{background:#102b43;color:#c8d6e0;padding:54px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:38px}.footer h3{font-size:15px;color:#fff;margin-bottom:13px}.footer p{font-size:14px;line-height:1.75}.footer-links{list-style:none}.footer-links li{margin:7px 0}.footer-links a:hover{color:#8fd8ec}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#9eb2c1;font-size:12px}.footer-bottom a:hover{color:#fff}
@media(max-width:1280px){.nav-link{padding:8px 8px;font-size:13px}.navbar{gap:14px}.status{display:none}}
@media(max-width:1024px){.nav-menu{overflow-x:auto}.nav-menu::-webkit-scrollbar{display:none}.inner-hero-grid{grid-template-columns:1fr 260px;gap:24px}.content-grid{grid-template-columns:minmax(0,1fr) 275px}.section{padding:62px 0}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--max))}.navbar{height:64px;justify-content:space-between}.menu-toggle{display:block}.nav-menu{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;padding:12px 16px 16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-wrap:wrap}.nav-menu.open{display:flex}.nav-tools .btn{display:none}.inner-hero{padding:40px 0}.inner-hero-grid,.content-grid,.data-board{grid-template-columns:1fr}.score-panel{max-width:360px}.content-grid{gap:27px}.sidebar{display:grid;grid-template-columns:1fr 1fr;gap:14px}.sidebar-box{margin:0}.article{grid-template-columns:160px 1fr}.article img{width:160px;height:118px}.focus-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.cta{display:block}.cta .btn{margin-top:18px}}
@media(max-width:480px){body{font-size:14px}.logo{font-size:20px}.logo span{display:none}.inner-hero h1{font-size:34px}.inner-hero p{font-size:15px}.section-head{display:block}.section-head h2{font-size:27px}.section-head p{margin-top:10px}.filterbar{display:block}.sort{margin-top:12px}.article{grid-template-columns:1fr;gap:13px}.article img{width:100%;height:185px}.sidebar{grid-template-columns:1fr}.data-cards{grid-template-columns:1fr}.data-feature{padding:25px}.form-box{display:block}.form-box input{width:100%;min-width:0}.form-box .btn{width:100%;margin-top:9px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span+span{display:block;margin-top:8px}.cta{padding:25px}.cta h2{font-size:24px}}

/* roulang page: category5 */
:root{
 --blue:#1769aa;--blue-deep:#124d7f;--cyan:#2e9dc2;--ink:#172536;--muted:#657487;
 --paper:#fff;--mist:#f3f7fa;--line:#dce6ed;--soft:#e8f3f8;--gold:#e89d45;
 --radius:8px;--shadow:0 12px 30px rgba(25,65,95,.09);--shadow-sm:0 5px 16px rgba(25,65,95,.07);
 --max:1180px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 44px));margin:auto}
.section{padding:76px 0}
.section-tint{background:var(--mist)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-head h2{font-size:32px;line-height:1.3;letter-spacing:-.03em;margin-top:8px}
.section-head p{max-width:570px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:6px;padding:10px 19px;font-weight:700;transition:.22s ease}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(1px) scale(.98)}
.btn:focus-visible,.nav-link:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(46,157,194,.3);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue);border-color:var(--line)}
.btn-quiet{color:var(--blue);padding-left:0;padding-right:0}
.badge{display:inline-block;padding:3px 9px;border-radius:4px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.navbar{height:72px;display:flex;align-items:center;gap:25px}
.logo{font-size:22px;font-weight:900;letter-spacing:-.06em;color:var(--blue);white-space:nowrap}
.logo span{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.05em;margin-left:8px}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{padding:8px 12px;color:#536477;font-weight:600;border-radius:5px;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--soft)}
.nav-tools{display:flex;align-items:center;gap:15px}
.status{font-size:12px;color:var(--muted);white-space:nowrap}
.status i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#39ad79;margin-right:5px}
.notice{font-size:19px;color:var(--blue);position:relative}
.notice:after{content:"";position:absolute;width:5px;height:5px;background:var(--gold);border-radius:50%;right:-2px;top:1px}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;padding:7px 10px;border-radius:5px;color:var(--blue)}
.page-hero{padding:47px 0 42px;background:#f5f9fb;border-bottom:1px solid var(--line)}
.page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:45px;align-items:center}
.page-hero h1{font-size:44px;line-height:1.25;letter-spacing:-.05em;margin:12px 0 14px}
.page-hero p{color:#526579;font-size:17px;max-width:670px}
.hero-visual{height:220px;border-radius:var(--radius);overflow:hidden;position:relative;box-shadow:var(--shadow)}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,77,127,.25),rgba(18,77,127,.02))}
.breadcrumb{font-size:13px;color:var(--muted);margin-top:20px}
.breadcrumb a{color:var(--blue)}
.toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:15px 18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:var(--radius)}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter{border:1px solid var(--line);background:#fff;color:#536477;padding:7px 13px;border-radius:5px}
.filter:hover,.filter.selected{border-color:var(--cyan);color:var(--blue);background:var(--soft)}
.search{display:flex;border:1px solid var(--line);border-radius:5px;overflow:hidden;background:#fff}
.search input{border:0;padding:8px 11px;width:190px;outline:0}
.search button{border:0;background:var(--blue);color:#fff;padding:0 14px}
.data-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
.data-panel,.side-panel,.stat-card,.method-card,.topic-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}
.data-panel{padding:25px}
.panel-top{display:flex;justify-content:space-between;align-items:start;margin-bottom:20px}
.panel-top h3{font-size:21px}
.panel-top p{font-size:13px;color:var(--muted)}
.data-row{display:grid;grid-template-columns:1.25fr .7fr .7fr .7fr;align-items:center;gap:12px;border-top:1px solid var(--line);padding:15px 0}
.data-row.head{font-size:12px;color:var(--muted);padding:9px 0}
.data-row strong{font-size:15px}
.trend{color:#2b9a70;font-weight:700}
.trend.down{color:#d47755}
.side-panel{padding:24px;background:var(--blue-deep);color:#fff}
.side-panel h3{font-size:21px;margin-bottom:16px}
.side-panel p{color:#d9e8f0;font-size:14px}
.metric{display:flex;justify-content:space-between;align-items:end;padding:17px 0;border-top:1px solid rgba(255,255,255,.18)}
.metric b{font-size:29px;line-height:1;color:#fff}
.metric span{font-size:12px;color:#c5dde8}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.stat-card{padding:22px}
.stat-card b{display:block;color:var(--blue);font-size:31px;line-height:1.2;margin:8px 0}
.stat-card span{color:var(--muted);font-size:13px}
.stat-card small{color:#2b9a70}
.editorial{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:center}
.editorial img{width:100%;height:330px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.editorial h2{font-size:31px;line-height:1.35;margin:10px 0 17px}
.editorial p{color:var(--muted);margin:12px 0}
.note-list{list-style:none;border-top:1px solid var(--line);margin-top:20px}
.note-list li{padding:11px 0;border-bottom:1px solid var(--line);display:flex;gap:10px}
.note-list li:before{content:"↗";color:var(--cyan);font-weight:700}
.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.method-card{padding:24px}
.method-card .num{font-size:13px;color:var(--cyan);font-weight:800}
.method-card h3{font-size:19px;margin:9px 0}
.method-card p{color:var(--muted);font-size:14px}
.topic-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.topic-card{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:13px}
.topic-card img{width:150px;height:130px;object-fit:cover;border-radius:5px}
.topic-card h3{font-size:17px;line-height:1.45;margin:9px 0}
.topic-card p{font-size:13px;color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:18px 0}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";color:var(--blue);font-size:20px;line-height:1}
details[open] summary:after{content:"－"}
details p{color:var(--muted);padding:10px 30px 0 0;max-width:780px}
.cta{background:#eaf5f8;border:1px solid #d2e8ef;padding:34px;display:flex;justify-content:space-between;align-items:center;gap:25px;border-radius:var(--radius)}
.cta h2{font-size:28px}
.cta p{color:var(--muted);margin-top:6px}
.form-box{display:flex;gap:9px;margin-top:17px}
.form-box input{min-width:245px;border:1px solid var(--line);border-radius:5px;padding:10px 12px;background:#fff}
.form-tip{font-size:12px;color:var(--muted);margin-top:8px}
.footer{background:#132b40;color:#b8cbd7;padding:52px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px}
.footer .logo{color:#fff}
.footer h3{font-size:15px;color:#fff;margin-bottom:13px}
.footer p{font-size:13px}
.footer-links{list-style:none}
.footer-links li{margin:7px 0;font-size:13px}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:38px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#91aaba}
.footer-bottom a:hover{color:#fff}
@media(max-width:1024px){
 .nav-menu{gap:0}.nav-link{padding:8px 8px;font-size:13px}.navbar{gap:14px}
 .hero-visual{height:190px}.data-layout{grid-template-columns:1fr}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 32px))}
 .section{padding:58px 0}.navbar{height:66px}
 .menu-toggle{display:block}.nav-menu{display:none;position:absolute;left:16px;right:16px;top:66px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:9px;flex-direction:column;align-items:stretch}
 .nav-menu.open{display:flex}.nav-link{width:100%}.status{display:none}.nav-tools{margin-left:auto}
 .page-hero-grid,.editorial,.topic-layout{grid-template-columns:1fr}.page-hero h1{font-size:36px}.page-hero{padding:38px 0}
 .section-head{display:block}.section-head p{margin-top:12px}.stat-grid{grid-template-columns:repeat(2,1fr)}.method-grid{grid-template-columns:1fr}
 .cta{display:block}.cta .btn{margin-top:18px}.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
 .container{width:calc(100% - 28px)}.logo{font-size:19px}.logo span{display:none}
 .hero-visual{height:160px}.toolbar{display:block}.search{margin-top:12px}.search input{width:calc(100% - 45px);flex:1}
 .data-panel{padding:16px;overflow-x:auto}.data-row{min-width:530px}.stat-grid{gap:10px}.stat-card{padding:16px}.stat-card b{font-size:25px}
 .topic-card{grid-template-columns:105px 1fr}.topic-card img{width:105px;height:115px}.topic-card h3{font-size:15px}
 .form-box{display:block}.form-box input{width:100%;min-width:0;margin-bottom:9px}.form-box .btn{width:100%}
 .footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
}

/* roulang page: category1 */
:root{
 --blue:#1769aa;--blue-deep:#124d7f;--cyan:#2e9dc2;--ink:#172536;--muted:#657487;
 --paper:#fff;--mist:#f3f7fa;--line:#dce6ed;--soft:#e8f3f8;--gold:#e89d45;
 --radius:8px;--shadow:0 12px 30px rgba(25,65,95,.09);--shadow-sm:0 5px 16px rgba(25,65,95,.07);
 --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 44px));margin:auto}
.section{padding:76px 0}
.section-tint{background:var(--mist)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-head h2{font-size:32px;line-height:1.3;letter-spacing:-.03em;margin-top:8px}
.section-head p{max-width:570px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:6px;padding:11px 20px;font-weight:700;transition:.22s ease}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(1px) scale(.98)}
.btn:focus-visible,.nav-link:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(46,157,194,.3);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue);border-color:var(--line)}
.btn-quiet{color:var(--blue);padding-left:0;padding-right:0}
.badge{display:inline-block;padding:3px 9px;border-radius:4px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.navbar{height:72px;display:flex;align-items:center;gap:25px}
.logo{font-size:22px;font-weight:900;letter-spacing:-.06em;color:var(--blue);white-space:nowrap}
.logo span{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.05em;margin-left:8px}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{padding:8px 12px;color:#536477;font-weight:600;border-radius:5px;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--soft)}
.nav-tools{display:flex;align-items:center;gap:15px}
.status{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px}
.status i{width:8px;height:8px;background:#42b983;border-radius:50%;display:block}
.notice{font-size:20px;color:var(--blue);line-height:1}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;padding:7px 10px;border-radius:5px;color:var(--blue)}
.page-hero{padding:48px 0 42px;background:#f5f9fb;border-bottom:1px solid var(--line)}
.page-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.page-hero h1{font-size:45px;line-height:1.22;letter-spacing:-.05em;margin:13px 0 15px}
.page-hero p{color:var(--muted);font-size:17px;max-width:650px}
.profile-line{display:flex;align-items:center;gap:13px;margin-top:20px}
.avatar{width:42px;height:42px;border-radius:50%;object-fit:cover;border:3px solid #fff;box-shadow:var(--shadow-sm)}
.profile-line strong{display:block;font-size:14px}.profile-line small{color:var(--muted)}
.hero-photo{position:relative}
.hero-photo img{width:100%;height:270px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.stat-panel{position:absolute;bottom:-18px;right:20px;background:#fff;border:1px solid var(--line);padding:14px 18px;box-shadow:var(--shadow);border-radius:var(--radius);display:flex;gap:25px}
.stat-panel strong{display:block;color:var(--blue);font-size:22px;line-height:1.2}.stat-panel span{font-size:12px;color:var(--muted)}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;border:1px solid var(--line);background:#fff;padding:13px 16px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.tags{display:flex;gap:8px;flex-wrap:wrap}.tag{border:1px solid var(--line);padding:6px 12px;color:#536579;border-radius:5px;background:#fff;font-size:13px}.tag:hover,.tag.selected{border-color:var(--cyan);color:var(--blue);background:var(--soft)}
.search{display:flex;gap:7px}.search input{width:175px;border:1px solid var(--line);border-radius:5px;padding:7px 10px;color:var(--ink)}.search button{border:0;background:var(--blue);color:#fff;border-radius:5px;padding:7px 12px}
.main-grid{display:grid;grid-template-columns:1.55fr .75fr;gap:28px;align-items:start}
.lead-story{display:grid;grid-template-columns:1fr 1fr;gap:22px;background:#fff;border:1px solid var(--line);padding:15px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.lead-story img{width:100%;height:245px;object-fit:cover;border-radius:5px}.lead-story h2{font-size:25px;line-height:1.4;margin:12px 0}.lead-story p{color:var(--muted)}
.meta{font-size:12px;color:var(--muted);display:flex;gap:14px}.read{color:var(--blue);font-weight:700;font-size:13px}
.news-list{border-top:1px solid var(--line);margin-top:24px}.news-item{display:grid;grid-template-columns:85px 1fr auto;gap:17px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}.news-item time{color:var(--blue);font-weight:700;font-size:13px}.news-item h3{font-size:17px;line-height:1.45}.news-item p{font-size:13px;color:var(--muted);margin-top:4px}
.side-box{border:1px solid var(--line);padding:22px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);margin-bottom:18px}.side-box h3{font-size:19px;margin-bottom:14px}.rank{list-style:none}.rank li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}.rank li:last-child{border:0}.rank b{color:var(--cyan);font-size:18px}.side-box p{color:var(--muted);font-size:13px}
.data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.data-card{background:#fff;border:1px solid var(--line);padding:22px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}.data-card strong{font-size:31px;color:var(--blue);display:block}.data-card span{color:var(--muted);font-size:13px}
.feature-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:center}.feature-layout img{width:100%;height:300px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.feature-layout h2{font-size:30px;line-height:1.35;margin:10px 0}.feature-layout p{color:var(--muted);margin:12px 0}.check-list{list-style:none;margin:16px 0}.check-list li{padding:6px 0 6px 25px;position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:900}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.topic-card{border:1px solid var(--line);background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}.topic-card img{width:100%;height:145px;object-fit:cover}.topic-card div{padding:17px}.topic-card h3{font-size:18px}.topic-card p{font-size:13px;color:var(--muted);margin:7px 0 13px}
.quote{border-left:3px solid var(--cyan);padding:8px 0 8px 20px;color:#4f6377;font-size:17px;max-width:820px}
.faq-list{border-top:1px solid var(--line);max-width:850px}.faq-list details{border-bottom:1px solid var(--line);padding:17px 0}.faq-list summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between}.faq-list summary:after{content:"+";color:var(--blue);font-size:22px}.faq-list details[open] summary:after{content:"−"}.faq-list details p{color:var(--muted);padding:10px 28px 0 0}
.cta{background:#eaf5f8;border:1px solid #d2e8ef;padding:35px;display:flex;justify-content:space-between;align-items:center;gap:25px;border-radius:var(--radius)}.cta h2{font-size:28px}.cta p{color:var(--muted);margin-top:5px}.form-box{display:flex;gap:8px;margin-top:16px}.form-box input{min-width:250px;border:1px solid var(--line);border-radius:5px;padding:10px 12px;background:#fff}.form-note{font-size:12px;color:var(--muted);margin-top:8px}
.footer{background:#12344e;color:#c9d8e2;padding:50px 0 20px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px}.footer .logo{color:#fff}.footer p{color:#a9bfcd;font-size:13px}.footer h3{color:#fff;font-size:15px;margin-bottom:12px}.footer-links{list-style:none}.footer-links li{margin:7px 0}.footer-links a{color:#b8cbd6;font-size:13px}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:38px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;color:#9fb5c3;font-size:12px}.footer-bottom a:hover{color:#fff}
@media(max-width:1024px){.nav-menu{gap:0}.nav-link{padding:7px 8px;font-size:13px}.page-hero-grid{gap:25px}.main-grid{grid-template-columns:1.35fr .8fr}}
@media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.navbar{height:64px}.nav-tools .status,.nav-tools .notice{display:none}.menu-toggle{display:block}.nav-menu{position:absolute;display:none;left:16px;right:16px;top:70px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:10px;flex-direction:column;align-items:stretch}.nav-menu.open{display:flex}.nav-link{padding:10px 12px}.page-hero-grid,.main-grid,.feature-layout{grid-template-columns:1fr}.hero-photo{margin-bottom:15px}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:10px}.data-strip{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:repeat(2,1fr)}.cta{display:block}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}
@media(max-width:520px){.page-hero h1{font-size:34px}.page-hero p{font-size:15px}.toolbar{display:block}.search{margin-top:13px}.search input{width:calc(100% - 80px)}.lead-story{grid-template-columns:1fr}.lead-story img{height:200px}.news-item{grid-template-columns:1fr;gap:3px}.news-item .read{margin-top:5px}.data-strip,.topic-grid{grid-template-columns:1fr}.form-box{display:block}.form-box input{width:100%;min-width:0}.form-box .btn{width:100%;margin-top:8px}.footer-grid{grid-template-columns:1fr 1fr}.stat-panel{right:8px;gap:13px;padding:11px}.stat-panel strong{font-size:18px}}

/* roulang page: category7 */
:root{
 --blue:#1769aa;--blue-deep:#124d7f;--cyan:#2e9dc2;--ink:#172536;--muted:#657487;
 --paper:#fff;--mist:#f3f7fa;--line:#dce6ed;--soft:#e8f3f8;--gold:#e89d45;
 --radius:8px;--shadow:0 12px 30px rgba(25,65,95,.09);--shadow-sm:0 5px 16px rgba(25,65,95,.07);
 --max:1180px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 44px));margin:auto}
.section{padding:78px 0}
.section-tint{background:var(--mist)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
.section-head h2{font-size:32px;line-height:1.3;letter-spacing:-.03em;margin-top:8px}
.section-head p{max-width:590px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:6px;padding:11px 20px;font-weight:700;transition:.22s ease}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(1px) scale(.98)}
.btn:focus-visible,.nav-link:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(46,157,194,.3);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue);border-color:var(--line)}
.btn-quiet{color:var(--blue);padding-left:0;padding-right:0}
.badge{display:inline-block;padding:3px 9px;border-radius:4px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.navbar{height:72px;display:flex;align-items:center;gap:25px}
.logo{font-size:22px;font-weight:900;letter-spacing:-.06em;color:var(--blue);white-space:nowrap}
.logo span{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.05em;margin-left:8px}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{padding:8px 12px;color:#536477;font-weight:600;border-radius:5px;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--soft)}
.nav-tools{display:flex;align-items:center;gap:15px}
.status{font-size:12px;color:var(--muted);white-space:nowrap}
.status i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#31ad78;margin-right:5px}
.notice{font-size:19px;color:var(--blue)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;padding:7px 10px;border-radius:5px;color:var(--blue)}
.page-hero{background:#f5f9fb;position:relative;overflow:hidden;padding:58px 0 52px}
.page-hero:after{content:"";position:absolute;right:-130px;top:-210px;width:520px;height:520px;border:1px solid #d4e8f0;border-radius:50%;box-shadow:0 0 0 70px rgba(218,239,246,.48),0 0 0 140px rgba(232,245,249,.6)}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-size:46px;line-height:1.2;letter-spacing:-.05em;margin:14px 0 14px}
.page-hero p{max-width:700px;color:#526579;font-size:17px}
.breadcrumb{padding:16px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--blue)}
.tool-row{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}
.tool-row p{color:var(--muted)}
.tool-links{display:flex;gap:8px;flex-wrap:wrap}
.tool-links a{border:1px solid var(--line);background:#fff;border-radius:5px;padding:7px 13px;color:#536579}
.tool-links a:hover,.tool-links a.active{border-color:var(--cyan);color:var(--blue);background:var(--soft)}
.faq-layout{display:grid;grid-template-columns:1.5fr .75fr;gap:42px;align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line);padding:20px 0}
.faq-list summary{list-style:none;cursor:pointer;font-size:18px;font-weight:700;display:flex;justify-content:space-between;gap:20px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";font-size:24px;color:var(--cyan);line-height:1}
.faq-list details[open] summary:after{content:"−"}
.faq-list details p{color:var(--muted);padding:12px 30px 0 0}
.side-card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;box-shadow:var(--shadow-sm)}
.side-card h3{font-size:19px;margin-bottom:12px}
.side-card p{color:var(--muted);font-size:14px}
.side-card img{width:100%;height:180px;object-fit:cover;border-radius:6px;margin-bottom:19px}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.quick-card{border:1px solid var(--line);padding:23px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.quick-card strong{display:block;color:var(--blue);font-size:26px;margin-bottom:8px}
.quick-card h3{font-size:17px;margin-bottom:6px}
.quick-card p{color:var(--muted);font-size:14px}
.split-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:center}
.split-panel img{width:100%;height:310px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.check-list{list-style:none;margin:18px 0}
.check-list li{position:relative;padding:7px 0 7px 28px}
.check-list li:before{content:"✓";position:absolute;left:0;top:7px;color:var(--cyan);font-weight:900}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:#fff;border-top:3px solid var(--cyan);padding:24px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.step b{font-size:26px;color:var(--blue);display:block;margin-bottom:9px}
.step h3{font-size:18px;margin-bottom:7px}
.step p{color:var(--muted)}
.topic-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.topic-main{position:relative;min-height:300px;overflow:hidden;border-radius:var(--radius);color:#fff}
.topic-main img{width:100%;height:100%;object-fit:cover}
.topic-main:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(13,38,57,.9))}
.topic-caption{position:absolute;z-index:1;left:25px;right:25px;bottom:23px}
.topic-caption h3{font-size:24px;line-height:1.35;margin:8px 0}
.topic-side{display:grid;gap:18px}
.topic-item{display:grid;grid-template-columns:125px 1fr;gap:15px;border:1px solid var(--line);padding:12px;border-radius:var(--radius);background:#fff}
.topic-item img{width:125px;height:112px;object-fit:cover;border-radius:5px}
.topic-item h3{font-size:16px;line-height:1.45}
.topic-item p{font-size:13px;color:var(--muted);margin-top:5px}
.notice-box{background:var(--blue-deep);color:#fff;border-radius:var(--radius);padding:35px 40px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.notice-box p{color:#d7e7ef;max-width:650px;margin-top:7px}
.cta{background:#eaf5f8;border:1px solid #d2e8ef;padding:35px;display:flex;justify-content:space-between;align-items:center;gap:25px;border-radius:var(--radius)}
.cta h2{font-size:28px}.cta p{color:var(--muted);margin-top:6px}
.form-box{display:flex;gap:9px;margin-top:18px}
.form-box input{min-width:260px;border:1px solid var(--line);border-radius:6px;padding:11px 13px;background:#fff;color:var(--ink)}
.form-box input:focus{border-color:var(--cyan);outline:3px solid rgba(46,157,194,.18)}
.form-note{font-size:12px;color:var(--muted);margin-top:9px}
.footer{background:#132f48;color:#c7d8e2;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:30px}
.footer .logo{color:#fff}.footer p{color:#a9c0ce}
.footer h3{font-size:15px;color:#fff;margin-bottom:13px}
.footer-links{list-style:none}.footer-links li{margin:7px 0}.footer-links a{color:#b4c9d5}.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:34px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#9fb6c4}
.footer-bottom a:hover{color:#fff}
@media(max-width:1280px){.nav-menu{overflow-x:auto}.nav-link{font-size:14px}.hero-grid{gap:35px}}
@media(max-width:1024px){.navbar{gap:14px}.nav-tools .status{display:none}.faq-layout,.split-panel{grid-template-columns:1fr}.quick-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.navbar{height:66px}.menu-toggle{display:block}.nav-menu{display:none;position:absolute;left:16px;right:16px;top:72px;padding:10px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-menu.open{display:flex}.nav-link{padding:10px 12px}.page-hero h1{font-size:37px}.section{padding:58px 0}.section-head,.tool-row,.cta,.notice-box{align-items:flex-start;flex-direction:column}.section-head h2{font-size:27px}.topic-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.footer-bottom{flex-direction:column}}
@media(max-width:480px){.logo{font-size:20px}.logo span{display:none}.hero-actions,.form-box{flex-direction:column;align-items:stretch}.btn{width:100%}.quick-grid{grid-template-columns:1fr}.topic-item{grid-template-columns:95px 1fr}.topic-item img{width:95px;height:100px}.footer-grid{grid-template-columns:1fr}.page-hero h1{font-size:32px}.page-hero p{font-size:15px}.faq-list summary{font-size:16px}}

/* roulang page: category4 */
:root{
 --blue:#1769aa;--blue-deep:#124d7f;--cyan:#2e9dc2;--ink:#172536;--muted:#657487;
 --paper:#fff;--mist:#f3f7fa;--line:#dce6ed;--soft:#e8f3f8;--gold:#e89d45;
 --radius:8px;--shadow:0 12px 30px rgba(25,65,95,.09);--shadow-sm:0 5px 16px rgba(25,65,95,.07);
 --max:1180px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 44px));margin:auto}
.section{padding:76px 0}.section-tint{background:var(--mist)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-head h2{font-size:31px;line-height:1.3;letter-spacing:-.03em;margin-top:8px}
.section-head p{max-width:580px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:6px;padding:10px 18px;font-weight:700;transition:.22s ease}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(1px) scale(.98)}
.btn:focus-visible,.nav-link:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(46,157,194,.3);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue);border-color:var(--line)}
.badge{display:inline-block;padding:3px 9px;border-radius:4px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.navbar{height:72px;display:flex;align-items:center;gap:25px}
.logo{font-size:22px;font-weight:900;letter-spacing:-.06em;color:var(--blue);white-space:nowrap}
.logo span{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.05em;margin-left:8px}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{padding:8px 12px;color:#536477;font-weight:600;border-radius:5px;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--soft)}
.nav-tools{display:flex;align-items:center;gap:15px}.status{font-size:12px;color:var(--muted);white-space:nowrap}
.status i{display:inline-block;width:7px;height:7px;background:#36b37e;border-radius:50%;margin-right:5px}
.notice{font-size:20px;color:var(--blue)}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;padding:7px 10px;border-radius:5px;color:var(--blue)}
.page-banner{padding:55px 0 43px;background:#f5f9fb;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-banner:after{content:"";position:absolute;right:3%;top:-145px;width:410px;height:410px;border:1px solid #d5e9f0;border-radius:50%;box-shadow:0 0 0 55px rgba(220,240,246,.55),0 0 0 110px rgba(236,246,249,.7)}
.banner-inner{position:relative;z-index:1;display:flex;align-items:end;justify-content:space-between;gap:35px}
.page-banner h1{font-size:48px;line-height:1.2;letter-spacing:-.055em;margin:12px 0 12px}
.page-banner p{max-width:650px;color:var(--muted);font-size:17px}
.banner-mark{display:grid;grid-template-columns:repeat(3,48px);gap:7px}
.banner-mark b{height:48px;border:1px solid #bddce7;border-radius:6px;background:#fff;color:var(--blue);display:grid;place-items:center;font-size:21px}
.tools{padding:18px 0;border-bottom:1px solid var(--line);background:#fff}
.tool-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.tool-label{font-weight:700;margin-right:5px}
.tag{border:1px solid var(--line);padding:6px 13px;color:#536579;border-radius:5px;background:#fff}
.tag:hover,.tag.current{border-color:var(--cyan);color:var(--blue);background:var(--soft)}
.intro{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}
.intro h2{font-size:34px;line-height:1.35}.intro p{color:var(--muted);margin:14px 0}
.point-list{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:14px}
.point{border-left:3px solid var(--cyan);padding:12px 16px;background:var(--mist)}.point strong{display:block;color:var(--blue)}
.featured{display:grid;grid-template-columns:1.05fr .95fr;gap:24px}
.feature-image{height:365px;overflow:hidden;border-radius:var(--radius);position:relative}
.feature-image img{width:100%;height:100%;object-fit:cover}
.feature-image figcaption{position:absolute;left:20px;bottom:18px;color:#fff;font-size:22px;font-weight:800;text-shadow:0 2px 8px #123}
.feature-copy{border-top:3px solid var(--blue);padding:20px 4px}
.feature-copy h3{font-size:27px;line-height:1.4;margin:12px 0}
.feature-copy p{color:var(--muted);margin-bottom:18px}
.meta{font-size:13px;color:var(--muted);display:flex;gap:16px;align-items:center}
.news-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:46px}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:78px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.news-item time{color:var(--blue);font-weight:700;font-size:13px}.news-item h3{font-size:17px}.news-item p{font-size:13px;color:var(--muted);margin-top:3px}
.rank-box{border:1px solid var(--line);border-radius:var(--radius);padding:23px;background:#fff;box-shadow:var(--shadow-sm)}
.rank-box h3{font-size:20px;margin-bottom:13px}.rank{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line)}.rank:last-child{border:0}.rank em{font-style:normal;color:var(--blue);font-weight:800;margin-right:10px}
.data-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
.stat{padding:25px;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat strong{font-size:31px;color:var(--blue);display:block}.stat span{color:var(--muted);font-size:13px}
.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.story{border:1px solid var(--line);background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.story img{width:100%;height:150px;object-fit:cover}.story-body{padding:18px}.story h3{font-size:18px;line-height:1.45;margin:8px 0}.story p{color:var(--muted);font-size:13px}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.step{padding:24px 22px;border-right:1px solid var(--line)}.step:last-child{border:0}.step b{color:var(--cyan);font-size:25px}.step h3{font-size:17px;margin:6px 0}.step p{font-size:13px;color:var(--muted)}
.faq-list{border-top:1px solid var(--line);max-width:850px}.faq-list details{border-bottom:1px solid var(--line);padding:17px 0}.faq-list summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between}.faq-list summary:after{content:"＋";color:var(--blue);font-size:20px}.faq-list details[open] summary:after{content:"－"}.faq-list p{color:var(--muted);padding:10px 30px 0 0}
.cta{background:#eaf5f8;border:1px solid #d2e8ef;padding:34px;display:flex;justify-content:space-between;align-items:center;gap:25px;border-radius:var(--radius)}.cta h2{font-size:27px}.cta p{color:var(--muted);margin-top:5px}
.form-box{display:flex;gap:8px;margin-top:15px}.form-box input{min-width:245px;border:1px solid var(--line);border-radius:6px;padding:10px 13px;background:#fff}.form-note{font-size:12px;color:var(--muted);margin-top:8px}
.footer{background:#132b40;color:#c6d7e2;padding:52px 0 20px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px}.footer .logo{color:#fff}.footer h3{color:#fff;font-size:15px;margin-bottom:13px}.footer p{color:#9fb5c3}.footer-links{list-style:none}.footer-links li{margin:7px 0}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:40px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#9fb5c3}.footer-bottom a:hover{color:#fff}
@media(max-width:1280px){.container{width:min(var(--max),calc(100% - 36px))}}
@media(max-width:1024px){.navbar{gap:12px}.nav-link{padding:8px 7px;font-size:13px}.intro,.featured,.news-layout{gap:28px}.page-banner h1{font-size:42px}}
@media(max-width:768px){.nav-tools{margin-left:auto}.status{display:none}.menu-toggle{display:block}.nav-menu{display:none;position:absolute;left:18px;right:18px;top:67px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:10px;flex-direction:column;align-items:stretch}.nav-menu.open{display:flex}.nav-link{display:block}.banner-inner,.intro,.featured,.news-layout{display:block}.banner-mark{margin-top:28px}.section{padding:58px 0}.section-head{display:block}.section-head h2{font-size:28px;margin-bottom:8px}.feature-copy{margin-top:20px}.story-grid{grid-template-columns:1fr 1fr}.process{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.data-strip{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.rank-box{margin-top:28px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}
@media(max-width:520px){.container{width:min(100% - 28px,var(--max))}.logo{font-size:19px}.logo span{display:none}.page-banner{padding:40px 0 32px}.page-banner h1{font-size:34px}.page-banner p{font-size:15px}.banner-mark{grid-template-columns:repeat(3,40px)}.banner-mark b{height:40px;font-size:17px}.point-list,.story-grid,.process{grid-template-columns:1fr}.news-item{grid-template-columns:1fr;gap:3px}.news-item .btn{justify-self:start}.data-strip{grid-template-columns:1fr}.stat{border-right:0!important;border-bottom:1px solid var(--line)}.stat:last-child{border-bottom:0}.cta{display:block;padding:25px}.form-box{display:block}.form-box input{width:100%;min-width:0;margin-bottom:9px}.form-box .btn{width:100%}.footer-grid{grid-template-columns:1fr}.footer-bottom{margin-top:28px}}

/* roulang page: category6 */
:root{
 --blue:#1769aa;--blue-deep:#124d7f;--cyan:#2e9dc2;--ink:#172536;--muted:#657487;
 --paper:#fff;--mist:#f3f7fa;--line:#dce6ed;--soft:#e8f3f8;--gold:#e89d45;
 --radius:8px;--shadow:0 12px 30px rgba(25,65,95,.09);--shadow-sm:0 5px 16px rgba(25,65,95,.07);
 --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 44px));margin:auto}
.section{padding:78px 0}
.section-tint{background:var(--mist)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-head h2{font-size:32px;line-height:1.3;letter-spacing:-.03em;margin:8px 0 0}
.section-head p{max-width:570px;color:var(--muted);margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:6px;padding:10px 18px;font-weight:700;transition:.22s ease}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(1px) scale(.98)}
.btn:focus-visible,.nav-link:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(46,157,194,.3);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue);border-color:var(--line)}
.btn-quiet{color:var(--blue);padding-left:0;padding-right:0}
.badge{display:inline-block;padding:3px 9px;border-radius:4px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:700}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.navbar{height:72px;display:flex;align-items:center;gap:25px}
.logo{font-size:22px;font-weight:900;letter-spacing:-.06em;color:var(--blue);white-space:nowrap}
.logo span{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.05em;margin-left:8px}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{padding:8px 12px;color:#536477;font-weight:600;border-radius:5px;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--soft)}
.nav-tools{display:flex;align-items:center;gap:15px}
.status{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px;white-space:nowrap}
.status i{width:7px;height:7px;background:#49ae78;border-radius:50%;display:inline-block}
.bell{font-size:19px;color:var(--muted)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;padding:7px 10px;border-radius:5px;color:var(--blue)}
.page-hero{padding:56px 0 48px;background:#f5f9fb;position:relative;overflow:hidden}
.page-hero:after{content:"";position:absolute;right:-100px;top:-220px;width:570px;height:570px;border:1px solid #d6e9f1;border-radius:50%;box-shadow:0 0 0 70px rgba(218,239,246,.45),0 0 0 140px rgba(232,245,249,.55)}
.page-hero .container{position:relative;z-index:1}
.hero-meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:18px}
.page-hero h1{font-size:45px;line-height:1.2;letter-spacing:-.05em;margin:0 0 17px;max-width:720px}
.page-hero p{color:#526579;max-width:700px;font-size:17px;margin:0}
.toolbar{margin-top:28px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:var(--radius);padding:14px;display:flex;justify-content:space-between;gap:18px;align-items:center}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter{border:1px solid var(--line);background:#fff;color:#536477;border-radius:5px;padding:7px 13px}
.filter:hover,.filter.active{background:var(--soft);border-color:#b8dce8;color:var(--blue)}
.search{display:flex;border:1px solid var(--line);border-radius:5px;overflow:hidden;min-width:230px}
.search input{border:0;padding:8px 10px;min-width:0;outline:0;width:100%}
.search button{border:0;background:var(--blue);color:#fff;padding:0 13px}
.data-layout{display:grid;grid-template-columns:1.65fr .85fr;gap:26px}
.data-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
.data-row{display:grid;grid-template-columns:105px 1.2fr .8fr 110px;gap:15px;align-items:center;padding:17px 20px;border-bottom:1px solid var(--line)}
.data-row:last-child{border-bottom:0}
.data-row.head{background:#f6fafc;color:var(--muted);font-size:13px;font-weight:700}
.match{font-weight:700}
.match small{display:block;color:var(--muted);font-weight:400;font-size:12px}
.result{color:var(--blue);font-weight:800}
.side-stack{display:grid;gap:16px}
.info-card,.stat-card,.topic-card,.quote-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);padding:22px}
.info-card h3,.topic-card h3{margin:0 0 8px;font-size:18px}
.info-card p,.topic-card p{color:var(--muted);margin:0}
.rank-list{list-style:none;margin:10px 0 0;padding:0}
.rank-list li{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}
.rank-list li:last-child{border-bottom:0}
.rank-list b{color:var(--blue)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.stat-card strong{font-size:31px;color:var(--blue);display:block;line-height:1.2}
.stat-card span{font-size:13px;color:var(--muted)}
.bar-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center}
.bar-list{display:grid;gap:18px}
.bar-line div{display:flex;justify-content:space-between;font-size:14px;margin-bottom:5px}
.bar-line i{height:8px;background:var(--soft);display:block;border-radius:5px;overflow:hidden}
.bar-line i:after{content:"";display:block;height:100%;width:var(--w);background:var(--cyan);border-radius:5px}
.image-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center}
.image-panel img{width:100%;height:295px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.text-body p{color:var(--muted);margin:13px 0}
.check-list{list-style:none;margin:19px 0;padding:0}
.check-list li{position:relative;padding:6px 0 6px 27px}
.check-list li:before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:900}
.topic-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.topic-card.feature{background:var(--blue-deep);color:#fff;padding:29px}
.topic-card.feature p{color:#d9e8f0}
.topic-card img{width:100%;height:180px;object-fit:cover;border-radius:6px;margin:-5px 0 17px}
.timeline{border-left:2px solid #bfe0ea;margin:5px 0 0 12px;padding-left:27px}
.timeline-item{position:relative;padding:0 0 24px}
.timeline-item:before{content:"";position:absolute;left:-35px;top:8px;width:10px;height:10px;background:var(--cyan);border:3px solid #e7f5f8;border-radius:50%}
.timeline-item h3{font-size:17px;margin:0 0 4px}
.timeline-item p{color:var(--muted);margin:0}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:17px 0}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:20px}
summary:after{content:"+";color:var(--blue);font-size:21px;line-height:1}
details[open] summary:after{content:"−"}
details p{color:var(--muted);max-width:800px;margin:10px 0 0}
.cta{background:#eaf5f8;border:1px solid #d2e8ef;padding:35px;display:flex;justify-content:space-between;align-items:center;gap:25px;border-radius:var(--radius)}
.cta h2{font-size:27px;margin:0}
.cta p{color:var(--muted);margin:6px 0 0}
.footer{background:#142b3e;color:#c8d8e2;padding:55px 0 0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px}
.footer .logo{color:#fff}
.footer p{color:#9db2bf}
.footer h3{font-size:15px;color:#fff;margin:0 0 13px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin:7px 0}
.footer-links a{color:#b7cbd5}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding:17px 0;font-size:12px;color:#94aeba;display:flex;justify-content:space-between;gap:20px}
.footer-bottom a:hover{color:#fff}
@media(max-width:1024px){.nav-menu{gap:0}.nav-link{padding:8px 8px;font-size:13px}.data-layout{grid-template-columns:1fr}.side-stack{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.navbar{height:65px}.menu-toggle{display:block}.nav-menu{display:none;position:absolute;top:65px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 22px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}.nav-menu.open{display:flex}.nav-tools .status,.nav-tools .bell{display:none}.page-hero h1{font-size:37px}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:12px}.toolbar{align-items:stretch;flex-direction:column}.stat-grid{grid-template-columns:repeat(2,1fr)}.bar-panel,.image-panel,.topic-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-bottom{display:block}.footer-bottom span{display:block;margin:6px 0}}
@media(max-width:480px){.container{width:min(var(--max),calc(100% - 30px))}.logo{font-size:19px}.logo span{display:none}.page-hero{padding:42px 0 35px}.page-hero h1{font-size:32px}.data-row{grid-template-columns:1fr 1.2fr;gap:5px;padding:14px}.data-row.head{display:none}.data-row>span:nth-child(3){grid-column:2}.data-row>span:nth-child(4){grid-column:1 / -1}.side-stack{grid-template-columns:1fr}.stat-grid{gap:10px}.stat-card{padding:16px}.stat-card strong{font-size:25px}.cta{display:block;padding:25px}.cta .btn{margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr;gap:23px}.footer-bottom{font-size:11px}}