/* roulang page: index */
:root{
  --blue:#1769e0;--blue-dark:#0e4fb8;--ink:#14233b;--muted:#65748b;
  --pale:#f3f7fc;--line:#e4ebf4;--gold:#d99b27;--coral:#e86f5c;
  --radius:22px;--shadow:0 16px 45px rgba(31,72,126,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.75}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button,input{font:inherit}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(228,235,244,.9);backdrop-filter:blur(14px)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:-.4px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;box-shadow:0 8px 18px rgba(23,105,224,.25)}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-links a{padding:10px 15px;border-radius:10px;color:#53647b;font-size:14px;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--blue);background:#eef5ff}
.nav-cta,.btn-primary{background:var(--blue);color:white!important;border-radius:12px;padding:12px 19px!important;box-shadow:0 9px 20px rgba(23,105,224,.2);transition:.25s}
.nav-cta:hover,.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 13px 25px rgba(23,105,224,.28)}
.menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--blue);cursor:pointer}
.hero{position:relative;overflow:hidden;background:#edf5ff;min-height:540px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(237,245,255,.98) 0%,rgba(237,245,255,.88) 48%,rgba(237,245,255,.18) 100%),url('/assets/images/052e8290c704ecfa.jpg') center/cover}
.hero-content{position:relative;padding:82px 0 88px;max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:18px}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--coral);display:inline-block}
h1{font-size:clamp(34px,5vw,62px);line-height:1.18;letter-spacing:-2px;margin:0 0 25px;font-weight:850}
.hero-copy{font-size:17px;color:#4f6178;max-width:700px;margin:0 0 30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:47px;padding:12px 21px;border-radius:12px;font-weight:700;font-size:14px;border:1px solid transparent;transition:.25s}
.btn-secondary{background:#fff;color:var(--blue);border-color:#cfe0f6}
.btn-secondary:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:var(--shadow)}
.section{padding:82px 0}
.section-soft{background:var(--pale)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:1.5px;margin-bottom:7px}
h2{font-size:clamp(25px,3vw,36px);line-height:1.25;letter-spacing:-1px;margin:0 0 9px}
.section-intro{color:var(--muted);max-width:650px;margin:0;font-size:15px}
.text-link{color:var(--blue);font-weight:700;font-size:14px;white-space:nowrap}
.text-link:hover{text-decoration:underline}
.entry-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}
.entry{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px 17px;min-height:124px;transition:.25s}
.entry:hover{transform:translateY(-4px);border-color:#b8d2f4;box-shadow:var(--shadow)}
.entry-icon{color:var(--blue);font-size:23px;margin-bottom:10px}
.entry strong{display:block;font-size:15px;margin-bottom:4px}.entry span{font-size:12px;color:var(--muted)}
.feature-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:18px}
.feature-card,.mini-card,.theme-card,.info-card,.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 26px rgba(32,72,120,.05)}
.feature-card{position:relative;min-height:400px;color:#fff;background:#1d4779}
.feature-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.8}
.feature-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(13,35,67,.9),rgba(13,35,67,.06) 75%)}
.feature-body{position:absolute;left:25px;right:25px;bottom:23px}
.mini-card{padding:21px;display:flex;flex-direction:column;justify-content:space-between;min-height:190px}
.mini-card h3,.theme-card h3,.info-card h3{font-size:18px;margin:8px 0 7px;line-height:1.4}
.mini-card p,.theme-card p,.info-card p{font-size:13px;color:var(--muted);margin:0}
.badge{display:inline-flex;width:max-content;padding:4px 9px;border-radius:20px;background:#fff2d6;color:#a46a08;font-size:12px;font-weight:700}
.badge.blue{background:#eaf3ff;color:var(--blue)}
.mini-meta{display:flex;justify-content:space-between;color:#7d8da1;font-size:12px;margin-top:15px}
.theme-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.theme-card{padding:23px;min-height:170px;position:relative}
.theme-card:after{content:"";position:absolute;width:55px;height:55px;border-radius:50%;right:-13px;bottom:-16px;background:#edf5ff}
.theme-card strong{color:var(--blue);font-size:12px}
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:stretch}
.panel{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:#fff}
.check-list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:14px}
.check-list li{display:flex;gap:11px;font-size:14px;color:#53647b}
.check-list b{color:var(--blue);font-size:17px;line-height:1.2}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:27px}
.step{padding:20px;border-top:3px solid var(--blue);background:#fff;border-radius:0 0 15px 15px;box-shadow:0 8px 24px rgba(31,72,126,.06)}
.step-no{font-size:26px;font-weight:850;color:#c8d9ef}.step h3{font-size:16px;margin:8px 0}.step p{font-size:13px;color:var(--muted);margin:0}
.update-list{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.update-item{padding:21px;border-left:3px solid var(--coral);background:#fff;border-radius:0 15px 15px 0;box-shadow:0 7px 20px rgba(31,72,126,.06)}
.update-item strong{font-size:16px}.update-item p{font-size:13px;color:var(--muted);margin:7px 0 0}
.data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#dce8f5;border:1px solid #dce8f5;border-radius:18px;overflow:hidden}
.data-item{background:#fff;padding:26px 22px}.data-item b{font-size:24px;color:var(--blue);display:block}.data-item span{font-size:13px;color:var(--muted)}
.preference-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.preference{padding:24px;border-radius:18px;background:#f8fbff;border:1px solid #dfeaf7}.preference h3{margin:0 0 8px;font-size:17px}.preference p{font-size:13px;color:var(--muted);margin:0}
.article-list{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:16px}.info-card{padding:23px}.info-card:first-child{background:#eaf3ff;border-color:#d0e3fa}.article-tag{font-size:12px;color:var(--blue);font-weight:700}
.faq-list{display:grid;gap:11px;max-width:850px}.faq-item{padding:19px 22px}.faq-item summary{cursor:pointer;font-weight:700;font-size:15px;outline:none}.faq-item summary:focus{color:var(--blue)}.faq-item p{font-size:14px;color:var(--muted);margin:13px 0 0;padding-top:12px;border-top:1px solid var(--line)}
.category-banner{background:linear-gradient(105deg,#0f4eaa,#2278df);color:#fff;border-radius:26px;padding:37px 42px;display:flex;justify-content:space-between;align-items:center;gap:25px}.category-banner p{color:#dbeaff;max-width:610px;margin:8px 0 0;font-size:14px}.category-banner .btn{background:#fff;color:var(--blue)}
footer{background:#10294b;color:#d5e2f1;padding:53px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:45px;padding-bottom:35px}.footer-brand{color:#fff;font-size:20px;font-weight:800}.footer-desc{color:#9fb3cb;font-size:13px;max-width:350px;margin-top:13px}.footer-title{color:#fff;font-size:14px;font-weight:700;margin-bottom:13px}.footer-links{display:grid;gap:8px;font-size:13px;color:#a9bdd5}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(213,226,241,.15);padding-top:20px;color:#8da5c0;font-size:12px;display:flex;justify-content:space-between;gap:15px}
:focus-visible{outline:3px solid rgba(23,105,224,.35);outline-offset:3px}
@media(max-width:900px){.nav-links a{padding:9px 9px}.entry-grid{grid-template-columns:repeat(3,1fr)}.feature-grid{grid-template-columns:1fr 1fr}.feature-card{grid-row:span 2}.theme-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.container{width:min(100% - 28px,1160px)}.navbar{height:68px}.brand{font-size:16px}.brand-mark{width:30px;height:30px}.menu-btn{display:block}.nav-links{display:none;position:absolute;top:68px;left:14px;right:14px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.hero{min-height:560px}.hero-content{padding:66px 0}.hero-copy{font-size:15px}.section{padding:60px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:12px}.entry-grid,.feature-grid,.theme-grid,.split-grid,.update-list,.preference-grid,.article-list{grid-template-columns:1fr}.feature-card{grid-row:auto;min-height:360px}.steps{grid-template-columns:1fr 1fr}.data-strip{grid-template-columns:1fr 1fr}.data-item{padding:20px 15px}.category-banner{display:block;padding:29px 24px}.category-banner .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr;gap:26px}.copyright{display:block}.copyright span{display:block;margin-top:8px}h1{letter-spacing:-1px}}
@media(max-width:400px){.steps{grid-template-columns:1fr}.hero-actions .btn{width:100%}}

/* roulang page: category1 */
:root{
 --blue:#1769e0;--blue-dark:#0e4fb8;--ink:#14233b;--muted:#65748b;
 --pale:#f3f7fc;--line:#e4ebf4;--gold:#d99b27;--coral:#e86f5c;
 --radius:22px;--shadow:0 16px 45px rgba(31,72,126,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.75}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.95);border-bottom:1px solid rgba(228,235,244,.9);backdrop-filter:blur(14px)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:-.4px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;box-shadow:0 8px 18px rgba(23,105,224,.25)}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-links a{padding:10px 15px;border-radius:10px;color:#53647b;font-size:14px;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--blue);background:#eef5ff}
.nav-cta,.btn-primary{background:var(--blue);color:white!important;border-radius:12px;padding:12px 19px!important;box-shadow:0 9px 20px rgba(23,105,224,.2);transition:.25s}
.nav-cta:hover,.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 13px 25px rgba(23,105,224,.28)}
.menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--blue);cursor:pointer}
.hero{position:relative;overflow:hidden;min-height:390px;display:flex;align-items:center;background:#edf5ff}
.hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(237,245,255,.98) 0%,rgba(237,245,255,.91) 48%,rgba(237,245,255,.25) 100%),url('/assets/images/ee770bc561054dc1.jpg') center/cover}
.hero-content{position:relative;padding:68px 0 72px;max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:16px}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--coral);display:inline-block}
.hero h1{font-size:clamp(32px,5vw,56px);line-height:1.16;letter-spacing:-1.8px;margin:0 0 19px;font-weight:850}
.hero-copy{font-size:17px;color:#4f6178;max-width:700px;margin:0 0 25px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:47px;padding:12px 21px;border-radius:12px;font-weight:700;font-size:14px;border:1px solid transparent;transition:.25s}
.btn:focus,.nav-links a:focus,.menu-btn:focus,summary:focus{outline:3px solid rgba(23,105,224,.25);outline-offset:3px}
.btn-secondary{background:#fff;color:var(--blue);border-color:#cfe0f6}
.btn-secondary:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:var(--shadow)}
.section{padding:76px 0}
.section-soft{background:var(--pale)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:1.5px;margin-bottom:7px}
.section-title{font-size:30px;line-height:1.3;margin:0 0 8px;letter-spacing:-.8px}
.section-intro{color:var(--muted);max-width:680px;margin:0;font-size:15px}
.text-link{color:var(--blue);font-weight:700;font-size:14px;white-space:nowrap}
.text-link:hover{text-decoration:underline}
.filter-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px;box-shadow:0 8px 25px rgba(32,72,120,.05)}
.filter-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.filter-label{font-size:14px;font-weight:700;color:var(--ink);margin-right:4px}
.filter-chip{border:1px solid #d8e4f2;background:#fff;color:#53647b;border-radius:999px;padding:8px 16px;font-size:13px;transition:.2s}
.filter-chip:hover,.filter-chip.active{background:#eaf3ff;color:var(--blue);border-color:#bcd5f5}
.poster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.poster-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 26px rgba(32,72,120,.06);transition:.25s}
.poster-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.poster-image{height:225px;position:relative;overflow:hidden;background:#dce9f8}
.poster-image img{width:100%;height:100%;object-fit:cover;transition:.35s}
.poster-card:hover .poster-image img{transform:scale(1.04)}
.poster-badge{position:absolute;left:14px;top:14px;background:#fff2d6;color:#a46a08;padding:4px 9px;border-radius:20px;font-size:12px;font-weight:700}
.poster-number{position:absolute;right:13px;top:13px;width:31px;height:31px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-size:12px;font-weight:800;box-shadow:0 5px 12px rgba(23,105,224,.28)}
.poster-body{padding:17px 18px 19px}
.poster-body h3{font-size:18px;line-height:1.4;margin:0 0 7px}
.poster-body p{font-size:13px;color:var(--muted);margin:0 0 13px}
.meta-line{display:flex;justify-content:space-between;gap:10px;color:#7d8da1;font-size:12px;border-top:1px solid var(--line);padding-top:12px}
.feature-row{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.feature-panel{min-height:300px;border-radius:var(--radius);overflow:hidden;position:relative;color:#fff;background:#1d4779}
.feature-panel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.8}
.feature-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(13,35,67,.92),rgba(13,35,67,.1) 75%)}
.feature-body{position:absolute;left:27px;right:27px;bottom:24px}
.feature-body h3{font-size:25px;line-height:1.3;margin:8px 0}
.feature-body p{font-size:14px;color:#e1ebf8;max-width:550px;margin:0}
.rank-list{display:grid;gap:12px}
.rank-item{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px 17px;transition:.2s}
.rank-item:hover{border-color:#bfd6f3;box-shadow:0 8px 20px rgba(32,72,120,.06)}
.rank-medal{width:35px;height:35px;border-radius:50%;display:grid;place-items:center;background:#fff2d6;color:#a46a08;font-weight:800;flex:none}
.rank-item strong{font-size:15px;display:block}
.rank-item span{font-size:12px;color:var(--muted)}
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
.guide-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 8px 26px rgba(32,72,120,.05)}
.guide-card h3{margin:0 0 9px;font-size:20px}
.guide-card p{margin:0;color:var(--muted);font-size:14px}
.guide-list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:13px}
.guide-list li{display:flex;gap:11px;color:#53647b;font-size:14px}
.guide-list b{color:var(--blue);font-size:17px;line-height:1.3}
.update-list{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.update-item{padding:21px;border-left:3px solid var(--coral);background:#fff;border-radius:0 15px 15px 0;box-shadow:0 7px 20px rgba(31,72,126,.06)}
.update-item strong{font-size:16px}
.update-item p{font-size:13px;color:var(--muted);margin:7px 0 0}
.article-list{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:16px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;box-shadow:0 8px 26px rgba(32,72,120,.05)}
.info-card:first-child{background:#eaf3ff;border-color:#d0e3fa}
.info-card h3{font-size:18px;margin:8px 0 7px;line-height:1.4}
.info-card p{font-size:13px;color:var(--muted);margin:0}
.article-tag{font-size:12px;color:var(--blue);font-weight:700}
.faq-list{display:grid;gap:11px;max-width:850px}
.faq-item{padding:19px 22px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:0 5px 18px rgba(32,72,120,.04)}
.faq-item summary{cursor:pointer;font-weight:700;font-size:15px}
.faq-item p{font-size:14px;color:var(--muted);margin:13px 0 0;padding-top:12px;border-top:1px solid var(--line)}
.category-cta{background:#eaf3ff;border:1px solid #d3e4f8;border-radius:24px;padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.category-cta h2{font-size:27px;line-height:1.35;margin:0 0 8px}
.category-cta p{color:var(--muted);margin:0;max-width:650px;font-size:14px}
footer{background:#10294b;color:#d5e2f1;padding:53px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:45px;padding-bottom:35px}
.footer-brand{color:#fff;font-size:20px;font-weight:800}
.footer-desc{color:#9fb3cb;font-size:13px;max-width:350px}
.footer-title{font-weight:700;color:#fff;margin-bottom:13px}
.footer-links{display:grid;gap:8px;color:#9fb3cb;font-size:13px}
.footer-links a:hover{color:#fff}
.copyright{border-top:1px solid rgba(206,224,245,.16);padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#8fa6c0;font-size:12px}
@media(max-width:1024px){
 .poster-grid{grid-template-columns:repeat(3,1fr)}
 .feature-row{grid-template-columns:1fr}
}
@media(max-width:768px){
 .container{width:min(100% - 30px,620px)}
 .navbar{height:68px}
 .menu-btn{display:block}
 .nav-links{display:none;position:absolute;top:68px;left:15px;right:15px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 14px}
 .hero-content{padding:58px 0 62px}
 .section{padding:58px 0}
 .section-head{display:block}
 .section-head .text-link{display:inline-block;margin-top:12px}
 .poster-grid{grid-template-columns:repeat(2,1fr)}
 .guide-grid,.article-list{grid-template-columns:1fr}
 .update-list{grid-template-columns:1fr}
 .category-cta{display:block;padding:28px}
 .category-cta .btn{margin-top:20px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
 .footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:520px){
 .container{width:calc(100% - 28px)}
 .brand{font-size:16px}
 .brand-mark{width:31px;height:31px}
 .hero h1{font-size:34px}
 .hero-copy{font-size:15px}
 .poster-grid{grid-template-columns:1fr}
 .poster-image{height:260px}
 .filter-panel{padding:17px}
 .filter-row{gap:8px}
 .filter-label{width:100%;margin-bottom:2px}
 .feature-body{left:20px;right:20px;bottom:20px}
 .feature-body h3{font-size:22px}
 .rank-item{padding:13px}
 .footer-grid{grid-template-columns:1fr}
 .footer-grid>div:first-child{grid-column:auto}
 .copyright{display:block;line-height:2}
}