/* roulang page: index */
:root{
  --blue:#35658b;--blue-deep:#18364f;--blue-soft:#eaf3f8;--blue-pale:#f5f9fb;
  --ink:#203140;--muted:#6d7d89;--line:#dbe6ec;--white:#fff;--warm:#d58a5f;
  --green:#4e887c;--radius:18px;--shadow:0 14px 34px rgba(36,72,96,.09);
  --container:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:#fbfdfe;line-height:1.7}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 40px));margin:auto}
.topline{height:36px;background:var(--blue-pale);border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}
.topline .container{height:100%;display:flex;align-items:center;justify-content:space-between}
.topline a{color:var(--blue);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)}
.nav{height:76px;display:flex;align-items:center;gap:34px}
.logo{font-size:21px;font-weight:800;letter-spacing:-.04em;color:var(--blue-deep);white-space:nowrap}
.logo span{color:var(--warm)}
.nav-links{display:flex;align-items:center;gap:7px;margin-right:auto}
.nav-links a{font-size:14px;color:var(--muted);padding:9px 13px;border-radius:10px;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--blue-deep);background:var(--blue-soft)}
.nav-tools{display:flex;align-items:center;gap:12px}
.search-link{font-size:13px;color:var(--muted);padding:8px}
.search-link:hover{color:var(--blue)}
.menu-btn{display:none;background:var(--blue-soft);color:var(--blue-deep);padding:8px 11px;border-radius:9px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:11px;font-size:14px;font-weight:700;transition:.2s;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(53,101,139,.2)}
.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
.btn-outline{border-color:#bfd3df;color:var(--blue-deep);background:#fff}
.btn-outline:hover{border-color:var(--blue);background:var(--blue-soft)}
.btn:focus-visible,a:focus-visible,input:focus-visible,button:focus-visible{outline:3px solid rgba(213,138,95,.4);outline-offset:3px}
.hero{padding:76px 0 64px;background:linear-gradient(180deg,#f7fbfd 0%,#fff 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.15em;color:var(--warm);font-weight:800;text-transform:uppercase}
.hero h1{font-size:clamp(40px,5vw,66px);line-height:1.12;letter-spacing:-.06em;color:var(--blue-deep);margin:18px 0 23px}
.hero-copy{font-size:17px;color:var(--muted);max-width:590px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 27px}
.hero-points{display:flex;gap:22px;list-style:none;color:var(--muted);font-size:13px}
.hero-points strong{display:block;color:var(--blue-deep);font-size:19px;line-height:1.2}
.paper{position:relative;background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow);transform:rotate(1.2deg)}
.paper:before{content:"";position:absolute;inset:14px -14px -14px 14px;background:#e6f0f5;border-radius:24px;z-index:-1}
.paper-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:20px}
.paper-label{font-size:12px;color:var(--blue);font-weight:800}
.paper-no{font:700 12px ui-monospace,monospace;color:var(--muted)}
.paper h2{font-size:28px;line-height:1.3;color:var(--blue-deep);margin-bottom:12px}
.paper p{color:var(--muted);font-size:14px}
.paper-list{list-style:none;margin:22px 0}
.paper-list li{display:flex;gap:13px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14px}
.paper-list b{color:var(--warm);font:700 12px ui-monospace,monospace}
.paper-foot{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}
.section{padding:86px 0}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}
.section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.04em;color:var(--blue-deep);margin-top:8px}
.section-head p{max-width:520px;color:var(--muted);font-size:15px}
.triple{display:grid;grid-template-columns:1.2fr 1fr 1fr;border-top:1px solid var(--line)}
.triple article{padding:28px 30px 24px 0;border-right:1px solid var(--line);margin-right:30px}
.triple article:last-child{border:0;margin:0}
.num{font:700 14px ui-monospace,monospace;color:var(--warm);display:block;margin-bottom:18px}
.triple h3{font-size:20px;color:var(--blue-deep);margin-bottom:9px}
.triple p{font-size:14px;color:var(--muted)}
.tag{display:inline-flex;padding:4px 9px;border-radius:99px;background:var(--blue-soft);color:var(--blue);font-size:11px;font-weight:700;margin-top:15px}
.stage{background:var(--blue-deep);color:#fff;border-radius:24px;padding:38px;box-shadow:var(--shadow)}
.stage-grid{display:grid;grid-template-columns:220px 1fr;gap:32px}
.stage-side{border-right:1px solid rgba(255,255,255,.15);padding-right:25px}
.stage-side h3{font-size:18px;margin-bottom:22px}
.stage-side a{display:block;color:#b9ccd8;font-size:14px;padding:10px 12px;border-radius:8px}
.stage-side a:hover,.stage-side a.active{background:rgba(255,255,255,.1);color:#fff}
.preview{background:#fff;color:var(--ink);border-radius:16px;padding:24px}
.preview-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:14px}
.preview h3{color:var(--blue-deep);font-size:22px}
.status{font-size:12px;color:var(--green);background:#e9f5f1;padding:5px 9px;border-radius:99px}
.preview-row{display:grid;grid-template-columns:94px 1fr auto;gap:15px;align-items:center;padding:15px 0;border-bottom:1px solid #edf2f4}
.thumb{height:62px;border-radius:10px;background:linear-gradient(135deg,#c8dce7,#eef5f7);position:relative;overflow:hidden}
.thumb:after{content:"";position:absolute;width:45px;height:45px;border-radius:50%;background:rgba(53,101,139,.18);right:-8px;bottom:-12px}
.preview-row h4{font-size:15px;color:var(--blue-deep)}
.preview-row p{font-size:12px;color:var(--muted)}
.row-time{font-size:11px;color:var(--muted);white-space:nowrap}
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.trust-item{background:#fff;border:1px solid var(--line);padding:22px;border-radius:14px}
.trust-item strong{display:block;color:var(--blue-deep);font-size:17px;margin-bottom:4px}
.trust-item span{color:var(--muted);font-size:13px}
.info-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
.update-card,.quote-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:27px;box-shadow:0 8px 24px rgba(36,72,96,.05)}
.update-card h3,.quote-card h3{color:var(--blue-deep);font-size:21px;margin-bottom:16px}
.update-list{list-style:none}
.update-list li{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid #edf2f4;padding:13px 0;font-size:14px}
.update-list a:hover{color:var(--blue)}
.update-list time{font-size:12px;color:var(--muted);white-space:nowrap}
.quote-card{background:var(--blue-soft);border-color:#d5e5ed}
.quote-card blockquote{font-size:20px;line-height:1.55;color:var(--blue-deep);margin:20px 0}
.quote-card cite{font-size:13px;color:var(--muted);font-style:normal}
.faq{max-width:850px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;padding:20px 0;color:var(--blue-deep);font-weight:700}
.faq-question span:last-child{font-size:22px;color:var(--warm);transition:.2s}
.faq-question[aria-expanded=true] span:last-child{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .3s ease}
.faq-answer p{padding:0 35px 20px 0}
.cta{background:#edf5f8;border:1px solid #d9e9ef;border-radius:22px;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{color:var(--blue-deep);font-size:30px;margin-bottom:8px}
.cta p{color:var(--muted);font-size:14px}
.footer{padding:54px 0 100px;background:#f2f7f9;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer .logo{display:block;margin-bottom:13px}
.footer p,.footer a{font-size:13px;color:var(--muted)}
.footer a:hover{color:var(--blue)}
.footer h3{font-size:14px;color:var(--blue-deep);margin-bottom:13px}
.footer-links{display:flex;flex-direction:column;gap:7px}
.copyright{border-top:1px solid var(--line);margin-top:35px;padding-top:18px;font-size:12px;color:var(--muted)}
.fixed-bar{position:fixed;z-index:30;left:0;right:0;bottom:0;background:rgba(24,54,79,.97);color:#fff;padding:11px 0;box-shadow:0 -8px 25px rgba(24,54,79,.14)}
.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.fixed-bar p{font-size:13px;color:#d4e2e9}
.fixed-bar strong{color:#fff;margin-right:12px}
.fixed-close{background:none;color:#b9ccd8;font-size:22px;padding:4px 8px}
.fixed-close:hover{color:#fff}
.form-note{font-size:12px;color:var(--muted);margin-top:12px}
@media(max-width:900px){
 .nav{gap:18px}.nav-links{gap:0}.nav-links a{padding:8px}
 .hero-grid,.info-grid{grid-template-columns:1fr;gap:45px}.hero{padding-top:55px}
 .trust{grid-template-columns:repeat(2,1fr)}.stage-grid{grid-template-columns:1fr}
 .stage-side{border:0;border-bottom:1px solid rgba(255,255,255,.15);padding:0 0 15px;display:flex;gap:6px;overflow:auto}
 .stage-side h3{display:none}.stage-side a{white-space:nowrap}
}
@media(max-width:650px){
 .container{width:min(100% - 28px,560px)}.topline .container{overflow:hidden;white-space:nowrap}
 .topline .container span{max-width:65%;overflow:hidden;text-overflow:ellipsis}.nav{height:64px}
 .logo{font-size:17px}.nav-links,.search-link{display:none}.menu-btn{display:block}
 .hero{padding:43px 0 38px}.hero h1{font-size:40px}.hero-copy{font-size:15px}
 .hero-actions .btn{width:100%}.hero-points{gap:12px;font-size:11px}.hero-points strong{font-size:16px}
 .paper{padding:22px;transform:none}.paper h2{font-size:23px}
 .section{padding:58px 0}.section-head{display:block}.section-head h2{font-size:28px;margin-bottom:10px}
 .triple{display:block}.triple article{border-right:0;border-bottom:1px solid var(--line);margin:0;padding:22px 0}
 .stage{padding:20px}.preview{padding:16px}.preview-row{grid-template-columns:65px 1fr}.row-time{grid-column:2}
 .thumb{height:50px}.trust{grid-template-columns:1fr 1fr;gap:9px}.trust-item{padding:15px 12px}
 .info-grid{gap:14px}.update-list li{display:block}.update-list time{display:block;margin-top:4px}
 .cta{display:block;padding:28px 22px}.cta .btn{margin-top:20px;width:100%}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}
 .fixed-inner{gap:8px}.fixed-bar p{font-size:11px}.fixed-bar strong{display:block;margin:0}.fixed-bar .btn{min-height:36px;padding:0 12px;font-size:12px}.fixed-close{display:none}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category2 */
:root{
 --blue:#35658b;--blue-deep:#18364f;--blue-soft:#eaf3f8;--blue-pale:#f5f9fb;
 --ink:#203140;--muted:#6d7d89;--line:#dbe6ec;--white:#fff;--warm:#d58a5f;
 --green:#4e887c;--green-soft:#e7f3f0;--warm-soft:#fbefe8;--radius:18px;
 --shadow:0 14px 34px rgba(36,72,96,.09);--container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:#fbfdfe;line-height:1.7}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 40px));margin:auto}
.topline{height:34px;background:var(--blue-pale);border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}
.topline .container{height:100%;display:flex;align-items:center;justify-content:space-between;gap:18px}
.topline a{color:var(--blue);font-weight:700}
.topline-note{display:flex;align-items:center;gap:8px;white-space:nowrap}
.topline-dot{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block}
.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)}
.nav{height:76px;display:flex;align-items:center;gap:34px}
.logo{font-size:21px;font-weight:800;letter-spacing:-.04em;color:var(--blue-deep);white-space:nowrap}
.logo span{color:var(--warm)}
.nav-links{display:flex;align-items:center;gap:7px;margin-right:auto}
.nav-links a{font-size:14px;color:var(--muted);padding:9px 13px;border-radius:10px;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--blue-deep);background:var(--blue-soft)}
.nav-tools{display:flex;align-items:center;gap:12px}
.search-link{font-size:13px;color:var(--muted);padding:8px}
.search-link:hover{color:var(--blue)}
.menu-btn{display:none;background:var(--blue-soft);color:var(--blue-deep);padding:8px 11px;border-radius:9px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:11px;font-size:14px;font-weight:700;transition:.2s;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(53,101,139,.2)}
.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
.btn-outline{border-color:#bfd3df;color:var(--blue-deep);background:#fff}
.btn-outline:hover{border-color:var(--blue);background:var(--blue-soft)}
.btn-warm{background:var(--warm);color:#fff;box-shadow:0 8px 18px rgba(213,138,95,.22)}
.btn-warm:hover{background:#bc704a;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,button:focus-visible{outline:3px solid rgba(213,138,95,.42);outline-offset:3px}
main{overflow:hidden}
.breadcrumb{padding:25px 0 0;font-size:13px;color:var(--muted)}
.breadcrumb ol{list-style:none;padding:0;margin:0;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.breadcrumb li+li:before{content:"/";margin-right:8px;color:#a6b6c0}
.breadcrumb a:hover{color:var(--blue)}
.index-hero{padding:24px 0 70px;background:linear-gradient(180deg,#f5fafc 0%,#fff 100%)}
.index-hero-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:42px;align-items:stretch}
.index-intro{padding:36px 0 20px}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.15em;color:var(--warm);font-weight:800;text-transform:uppercase}
.index-intro h1{font-size:clamp(38px,4.6vw,59px);line-height:1.14;letter-spacing:-.055em;color:var(--blue-deep);margin:16px 0 20px}
.index-intro p{font-size:16px;color:var(--muted);max-width:500px;margin:0}
.index-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.meta-pill{display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border-radius:99px;background:#fff;border:1px solid var(--line);font-size:12px;color:var(--muted)}
.meta-pill i{width:7px;height:7px;background:var(--green);border-radius:99px;display:inline-block}
.index-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}
.index-board{position:relative;border:1px solid #cfe0e9;background:var(--white);border-radius:24px;padding:25px;box-shadow:var(--shadow);overflow:hidden}
.index-board:after{content:"";position:absolute;width:200px;height:200px;border-radius:50%;background:var(--blue-soft);right:-76px;top:-92px}
.board-top{position:relative;z-index:1;display:flex;justify-content:space-between;gap:16px;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--line)}
.board-top h2{font-size:19px;color:var(--blue-deep);margin:0}
.board-status{font:700 11px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--green);background:var(--green-soft);padding:5px 8px;border-radius:6px}
.board-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.board-tile{padding:15px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:.2s}
.board-tile:hover{transform:translateY(-3px);border-color:#a8c4d5;box-shadow:0 10px 20px rgba(36,72,96,.08)}
.board-tile b{display:block;font-size:14px;color:var(--blue-deep);margin:5px 0 3px}
.board-tile small{display:block;color:var(--muted);font-size:12px}
.tile-code{font:700 11px ui-monospace,monospace;color:var(--warm)}
.board-line{position:relative;z-index:1;margin-top:17px;padding:13px 15px;border-radius:12px;background:var(--blue-deep);color:#d8e8f0;font-size:13px;display:flex;justify-content:space-between;gap:14px}
.board-line strong{color:#fff}
.section{padding:78px 0}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
.section-head h2{font-size:33px;line-height:1.25;letter-spacing:-.04em;color:var(--blue-deep);margin:7px 0 0}
.section-head p{max-width:510px;color:var(--muted);font-size:15px;margin:0}
.directory{display:grid;grid-template-columns:265px 1fr;gap:24px;align-items:start}
.directory-menu{position:sticky;top:126px;background:var(--blue-deep);border-radius:18px;padding:20px;color:#fff;box-shadow:var(--shadow)}
.directory-menu h3{font-size:15px;margin:0 0 13px}
.directory-menu p{font-size:12px;color:#b7ccd9;margin:0 0 16px}
.directory-menu a{display:flex;align-items:center;justify-content:space-between;padding:11px 12px;border-radius:9px;color:#bcd0dc;font-size:14px;transition:.2s}
.directory-menu a:hover,.directory-menu a.active{background:rgba(255,255,255,.11);color:#fff}
.directory-menu a span{font:700 11px ui-monospace,monospace;color:#8bb8d2}
.featured-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 8px 24px rgba(36,72,96,.045)}
.featured-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:19px}
.featured-top h3{font-size:21px;margin:0;color:var(--blue-deep)}
.label{display:inline-flex;align-items:center;padding:4px 9px;border-radius:99px;font-size:11px;line-height:1.4;font-weight:700}
.label-blue{color:var(--blue);background:var(--blue-soft)}
.label-warm{color:#a65f39;background:var(--warm-soft)}
.label-green{color:#347064;background:var(--green-soft)}
.featured-main{display:grid;grid-template-columns:190px 1fr;gap:23px;padding:21px;background:var(--blue-pale);border-radius:16px}
.abstract-cover{min-height:160px;border-radius:13px;background:linear-gradient(145deg,#315f83 0%,#6a96af 48%,#d6e6ed 49%,#e9c1aa 100%);position:relative;overflow:hidden}
.abstract-cover:before,.abstract-cover:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.56);border-radius:50%}
.abstract-cover:before{width:135px;height:135px;left:-35px;bottom:-43px}
.abstract-cover:after{width:75px;height:75px;right:14px;top:16px}
.cover-code{position:absolute;left:16px;top:14px;color:#fff;font:700 11px ui-monospace,monospace;letter-spacing:.12em}
.featured-copy h4{font-size:23px;line-height:1.35;color:var(--blue-deep);margin:10px 0}
.featured-copy p{font-size:14px;color:var(--muted);margin:0 0 15px}
.featured-info{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.featured-info strong{color:var(--blue-deep)}
.topic-rail{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-top:17px}
.topic-mini{border:1px solid var(--line);padding:15px;border-radius:13px;transition:.2s;background:#fff}
.topic-mini:hover{border-color:#aac7d8;transform:translateY(-2px)}
.topic-mini b{display:block;color:var(--blue-deep);font-size:14px;margin:7px 0 3px}
.topic-mini small{color:var(--muted);font-size:12px}
.filter-area{background:#f3f8fa;border-top:1px solid #e4eef2;border-bottom:1px solid #e4eef2}
.filter-shell{display:grid;grid-template-columns:1.2fr .8fr;gap:25px;align-items:center}
.filter-copy h2{font-size:29px;line-height:1.3;color:var(--blue-deep);margin:7px 0}
.filter-copy p{margin:0;color:var(--muted);font-size:14px}
.filter-controls{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:9px}
.filter-chip{border:1px solid #cbdde6;background:#fff;color:var(--blue-deep);padding:8px 12px;border-radius:99px;font-size:13px;transition:.2s}
.filter-chip:hover,.filter-chip.active{background:var(--blue);border-color:var(--blue);color:#fff}
.collections{display:grid;grid-template-columns:1.1fr .9fr;gap:25px;align-items:start}
.collection-group{border:1px solid var(--line);border-radius:19px;background:#fff;overflow:hidden;box-shadow:0 7px 20px rgba(36,72,96,.04)}
.group-head{padding:22px 24px 17px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;align-items:start}
.group-head h3{margin:8px 0 0;font-size:21px;color:var(--blue-deep)}
.group-count{font:700 12px ui-monospace,monospace;color:var(--blue);background:var(--blue-soft);padding:5px 8px;border-radius:7px}
.index-entry{display:grid;grid-template-columns:58px 1fr auto;align-items:center;gap:16px;padding:18px 24px;border-bottom:1px solid #edf2f4;transition:.2s}
.index-entry:last-child{border-bottom:0}
.index-entry:hover{background:#fbfdfe}
.entry-num{font:700 13px ui-monospace,monospace;color:var(--warm)}
.entry-content b{display:block;color:var(--blue-deep);font-size:15px}
.entry-content small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.entry-link{font-size:13px;color:var(--blue);font-weight:700;white-space:nowrap}
.entry-link:hover{color:var(--blue-deep)}
.tag-cloud-card{border:1px solid var(--line);border-radius:19px;background:#fff;padding:26px;box-shadow:0 7px 20px rgba(36,72,96,.04)}
.tag-cloud-card h3{font-size:21px;color:var(--blue-deep);margin:7px 0 10px}
.tag-cloud-card p{font-size:14px;color:var(--muted);margin:0 0 18px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag-cloud a{font-size:13px;color:var(--blue-deep);background:var(--blue-pale);border:1px solid #dceaf0;padding:7px 11px;border-radius:99px;transition:.2s}
.tag-cloud a:hover{background:var(--blue-soft);border-color:#a9c8d9;transform:translateY(-1px)}
.search-box{margin-top:25px;padding-top:22px;border-top:1px solid var(--line)}
.search-box label{display:block;color:var(--blue-deep);font-size:14px;font-weight:700;margin-bottom:8px}
.search-row{display:flex;gap:8px}
.search-row input{min-width:0;flex:1;border:1px solid #c9dbe5;background:#fff;border-radius:10px;padding:10px 12px;color:var(--ink);outline:none}
.search-row input::placeholder{color:#9aa9b2}
.search-row input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(53,101,139,.12)}
.search-hint{font-size:12px;color:var(--muted);margin:8px 0 0}
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.notice{border-left:3px solid var(--blue);background:#fff;border:1px solid var(--line);border-left-color:var(--blue);border-radius:12px;padding:18px;box-shadow:0 6px 16px rgba(36,72,96,.035)}
.notice:nth-child(2){border-left-color:var(--green)}
.notice:nth-child(3){border-left-color:var(--warm)}
.notice strong{display:block;color:var(--blue-deep);font-size:15px;margin-bottom:4px}
.notice span{font-size:13px;color:var(--muted)}
.faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:64px;align-items:start}
.faq-intro h2{font-size:32px;line-height:1.25;color:var(--blue-deep);margin:8px 0 14px}
.faq-intro p{color:var(--muted);font-size:14px;margin:0}
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:18px;text-align:left;background:none;padding:19px 0;color:var(--blue-deep);font-weight:700}
.faq-question span:last-child{font-size:22px;font-weight:400;color:var(--warm);transition:.2s}
.faq-question[aria-expanded="true"] span:last-child{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .3s ease}
.faq-answer p{padding:0 35px 20px 0;margin:0}
.cta{background:#edf5f8;border:1px solid #d9e9ef;border-radius:22px;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{color:var(--blue-deep);font-size:30px;line-height:1.3;margin:0 0 8px}
.cta p{color:var(--muted);font-size:14px;margin:0;max-width:650px}
.footer{padding:54px 0 112px;background:#f2f7f9;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer .logo{display:block;margin-bottom:13px}
.footer p,.footer a{font-size:13px;color:var(--muted)}
.footer a:hover{color:var(--blue)}
.footer h3{font-size:14px;color:var(--blue-deep);margin:0 0 13px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.copyright{border-top:1px solid var(--line);margin-top:35px;padding-top:20px;font-size:12px;color:var(--muted)}
.fixed-bar{position:fixed;z-index:30;bottom:16px;left:50%;transform:translateX(-50%);width:min(820px,calc(100% - 34px));display:flex;align-items:center;gap:15px;padding:11px 12px 11px 18px;border:1px solid #bfd4df;background:rgba(255,255,255,.97);box-shadow:0 15px 34px rgba(24,54,79,.16);border-radius:15px;backdrop-filter:blur(10px)}
.fixed-copy{margin-right:auto;min-width:0}
.fixed-copy b{display:block;font-size:13px;color:var(--blue-deep)}
.fixed-copy span{display:block;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fixed-close{width:31px;height:31px;border-radius:8px;background:var(--blue-pale);color:var(--blue-deep);font-size:18px;line-height:1;flex:0 0 auto}
.fixed-close:hover{background:#dcecf3}
@media (max-width:1024px){
 .nav{gap:16px}.nav-links a{padding:8px 9px}.index-hero-grid{gap:28px}.directory{grid-template-columns:220px 1fr}.faq-wrap{gap:35px}
}
@media (max-width:768px){
 .container{width:min(var(--container),calc(100% - 30px))}
 .topline .container{overflow:hidden;justify-content:flex-start}.topline-note:last-child{display:none}
 .nav{height:66px;gap:10px}.logo{font-size:18px}.nav-links{display:none;position:absolute;left:15px;right:15px;top:65px;margin:0;padding:10px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px 13px}.nav-tools{margin-left:auto;gap:4px}.search-link{font-size:0;padding:8px}.search-link:first-letter{font-size:22px}.nav-tools .btn-primary{display:none}.menu-btn{display:block}
 .index-hero{padding:18px 0 51px}.index-hero-grid,.filter-shell,.collections,.faq-wrap{grid-template-columns:1fr}.index-intro{padding:20px 0 8px}.index-intro h1{font-size:42px}.index-board{padding:20px}
 .section{padding:57px 0}.section-head{display:block;margin-bottom:23px}.section-head p{margin-top:12px}.section-head h2{font-size:28px}
 .directory{grid-template-columns:1fr}.directory-menu{position:static;display:flex;gap:7px;overflow-x:auto;padding:12px}.directory-menu h3,.directory-menu p{display:none}.directory-menu a{white-space:nowrap;padding:8px 10px}
 .featured-main{grid-template-columns:135px 1fr}.abstract-cover{min-height:145px}.topic-rail{overflow-x:auto;grid-template-columns:repeat(3,190px);padding-bottom:4px}.filter-controls{justify-content:flex-start}
 .notice-grid{grid-template-columns:1fr}.faq-intro{margin-bottom:5px}.cta{padding:30px;display:block}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}
}
@media (max-width:520px){
 body{padding-bottom:82px}.topline{font-size:11px}.index-intro h1{font-size:35px}.index-intro p{font-size:15px}.index-actions .btn{width:100%}
 .board-grid{grid-template-columns:1fr 1fr}.board-tile{padding:12px}.board-line{font-size:12px;display:block}.board-line strong{display:block;margin-bottom:3px}
 .featured-panel{padding:18px}.featured-top{align-items:flex-start}.featured-main{grid-template-columns:1fr;padding:15px}.abstract-cover{min-height:120px}.featured-copy h4{font-size:20px}
 .index-entry{grid-template-columns:38px 1fr;padding:16px}.entry-link{grid-column:2;font-size:12px}.group-head{padding:18px}.search-row{display:block}.search-row .btn{width:100%;margin-top:9px}
 .section-head h2,.faq-intro h2{font-size:26px}.cta{padding:25px}.cta h2{font-size:25px}.footer{padding-bottom:26px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
 .fixed-bar{bottom:8px;width:calc(100% - 20px);padding:8px 8px 8px 12px;gap:8px}.fixed-copy span{display:none}.fixed-bar .btn{min-height:38px;padding:0 12px;font-size:12px}.fixed-close{width:29px;height:29px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category1 */
:root{
 --blue:#35658b;--blue-deep:#18364f;--blue-soft:#eaf3f8;--blue-pale:#f5f9fb;
 --ink:#203140;--muted:#6d7d89;--line:#dbe6ec;--white:#fff;--warm:#d58a5f;
 --green:#4e887c;--green-soft:#e8f4f0;--radius:18px;--shadow:0 14px 34px rgba(36,72,96,.09);
 --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:#fbfdfe;line-height:1.7}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 40px));margin:auto}
.topline{height:35px;background:#f2f7f9;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}
.topline .container{height:100%;display:flex;align-items:center;justify-content:space-between;gap:18px}
.topline strong{color:var(--blue-deep);font-weight:700}
.topline a{color:var(--blue);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)}
.nav{height:76px;display:flex;align-items:center;gap:34px}
.logo{font-size:21px;font-weight:800;letter-spacing:-.04em;color:var(--blue-deep);white-space:nowrap}
.logo span{color:var(--warm)}
.nav-links{display:flex;align-items:center;gap:7px;margin-right:auto}
.nav-links a{font-size:14px;color:var(--muted);padding:9px 13px;border-radius:10px;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--blue-deep);background:var(--blue-soft)}
.nav-tools{display:flex;align-items:center;gap:12px}
.search-link{font-size:13px;color:var(--muted);padding:8px}
.search-link:hover{color:var(--blue)}
.menu-btn{display:none;background:var(--blue-soft);color:var(--blue-deep);padding:8px 11px;border-radius:9px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:11px;font-size:14px;font-weight:700;transition:.2s;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(53,101,139,.2)}
.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
.btn-outline{border-color:#bfd3df;color:var(--blue-deep);background:#fff}
.btn-outline:hover{border-color:var(--blue);background:var(--blue-soft)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,button:focus-visible{outline:3px solid rgba(213,138,95,.42);outline-offset:3px}
.page-hero{padding:54px 0 42px;background:linear-gradient(180deg,#f4f9fb 0%,#fff 100%);border-bottom:1px solid #e7eff3}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:28px}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb i{font-style:normal;color:#9aaab5}
.hero-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:end}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.14em;color:var(--warm);font-weight:800}
.page-hero h1{margin:12px 0 16px;color:var(--blue-deep);font-size:clamp(36px,5vw,58px);line-height:1.16;letter-spacing:-.055em}
.hero-copy{max-width:660px;margin:0;color:var(--muted);font-size:16px}
.hero-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.meta-pill{padding:7px 11px;border-radius:99px;border:1px solid #cfe0e8;background:#fff;color:var(--blue-deep);font-size:12px;font-weight:700}
.hero-note{background:var(--blue-deep);border-radius:20px;padding:25px;color:#fff;box-shadow:var(--shadow)}
.hero-note-top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-bottom:15px;border-bottom:1px solid rgba(255,255,255,.16)}
.hero-note-top b{font-size:15px}
.status{display:inline-flex;align-items:center;gap:6px;color:#d8eee9;font-size:11px}
.status:before{content:"";width:7px;height:7px;border-radius:50%;background:#7fc0b1}
.hero-note p{margin:16px 0;color:#c8d8e2;font-size:13px}
.hero-note-list{list-style:none;margin:0;padding:0}
.hero-note-list li{display:flex;justify-content:space-between;gap:16px;padding:8px 0;font-size:12px;border-top:1px solid rgba(255,255,255,.1)}
.hero-note-list span:last-child{color:#b9ccd8}
.section{padding:76px 0}
.section-soft{background:var(--blue-pale);border-top:1px solid #e4eef2;border-bottom:1px solid #e4eef2}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:27px}
.section-head h2{margin:7px 0 0;color:var(--blue-deep);font-size:32px;line-height:1.25;letter-spacing:-.04em}
.section-head p{max-width:520px;margin:0;color:var(--muted);font-size:14px}
.filter-panel{padding:17px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 7px 22px rgba(36,72,96,.045)}
.filter-row{display:grid;grid-template-columns:1.25fr auto auto;gap:12px;align-items:center}
.search-box{position:relative}
.search-box input{width:100%;height:46px;padding:0 14px 0 40px;border:1px solid #cddde5;border-radius:11px;background:#fbfdfe;color:var(--ink);outline:none;transition:.2s}
.search-box:before{content:"⌕";position:absolute;z-index:1;left:14px;top:9px;color:var(--blue);font-size:21px}
.search-box input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(53,101,139,.11)}
.select-wrap select{height:46px;padding:0 33px 0 13px;border:1px solid #cddde5;border-radius:11px;background:#fff;color:var(--blue-deep);appearance:none;min-width:128px}
.select-wrap{position:relative}
.select-wrap:after{content:"⌄";position:absolute;right:12px;top:10px;color:var(--blue);pointer-events:none}
.tag-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}
.filter-tag{border:1px solid var(--line);background:#fff;color:var(--muted);font-size:12px;font-weight:700;padding:7px 12px;border-radius:99px;transition:.2s}
.filter-tag:hover,.filter-tag.active{background:var(--blue-soft);border-color:#b9d3e2;color:var(--blue-deep)}
.featured{display:grid;grid-template-columns:42% 58%;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}
.cover{min-height:306px;position:relative;overflow:hidden;background:linear-gradient(145deg,#dcecf3,#799bb1)}
.cover:before,.cover:after{content:"";position:absolute;border-radius:50%;filter:blur(1px)}
.cover:before{width:260px;height:260px;left:-65px;bottom:-80px;background:rgba(255,255,255,.38)}
.cover:after{width:150px;height:150px;right:-28px;top:32px;background:rgba(213,138,95,.62)}
.cover-grid{position:absolute;inset:0;background:linear-gradient(90deg,rgba(24,54,79,.07) 1px,transparent 1px),linear-gradient(rgba(24,54,79,.07) 1px,transparent 1px);background-size:31px 31px}
.cover-label{position:absolute;left:24px;bottom:23px;color:#fff}
.cover-label small{display:block;letter-spacing:.14em;font-weight:800;font-size:11px}
.cover-label strong{font-size:28px;letter-spacing:-.04em}
.featured-body{padding:32px 34px}
.tag{display:inline-flex;padding:4px 9px;border-radius:99px;background:var(--blue-soft);color:var(--blue);font-size:11px;font-weight:800}
.featured-body h3{margin:16px 0 12px;color:var(--blue-deep);font-size:27px;line-height:1.32;letter-spacing:-.04em}
.featured-body p{margin:0;color:var(--muted);font-size:14px}
.card-foot{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-top:25px;padding-top:17px;border-top:1px solid #edf2f4;font-size:12px;color:var(--muted)}
.text-link{font-weight:800;color:var(--blue)}
.text-link:hover{color:var(--blue-deep)}
.content-list{margin-top:22px;border-top:1px solid var(--line)}
.list-card{display:grid;grid-template-columns:116px 1fr auto;gap:21px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);transition:.2s}
.list-card:hover{padding-left:10px;background:linear-gradient(90deg,rgba(234,243,248,.66),transparent)}
.thumb{height:78px;border-radius:13px;position:relative;overflow:hidden;background:linear-gradient(140deg,#e8f2f6,#b4cddb)}
.thumb:before{content:"";position:absolute;width:70px;height:70px;border-radius:50%;right:-12px;top:-12px;background:#d58a5f;opacity:.58}
.thumb:after{content:"01";position:absolute;bottom:10px;left:12px;color:var(--blue-deep);font:800 11px ui-monospace,monospace;letter-spacing:.08em}
.list-card:nth-child(2) .thumb{background:linear-gradient(140deg,#dceef0,#9ec4bd)}
.list-card:nth-child(2) .thumb:after{content:"02"}
.list-card:nth-child(3) .thumb{background:linear-gradient(140deg,#e8eaf4,#b4bddb)}
.list-card:nth-child(3) .thumb:after{content:"03"}
.list-card:nth-child(4) .thumb{background:linear-gradient(140deg,#f2eadf,#e5bb99)}
.list-card:nth-child(4) .thumb:after{content:"04"}
.list-main h3{margin:6px 0 4px;color:var(--blue-deep);font-size:17px}
.list-main p{margin:0;color:var(--muted);font-size:13px}
.list-meta{display:flex;gap:10px;align-items:center;font-size:11px;color:var(--muted)}
.list-side{text-align:right;white-space:nowrap}
.list-side time{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}
.index-layout{display:grid;grid-template-columns:285px 1fr;gap:28px;align-items:start}
.index-nav{position:sticky;top:101px;padding:19px;background:#fff;border:1px solid var(--line);border-radius:17px}
.index-nav h3{margin:0 0 13px;color:var(--blue-deep);font-size:16px}
.index-nav a{display:flex;justify-content:space-between;gap:10px;padding:11px 10px;border-radius:9px;color:var(--muted);font-size:13px}
.index-nav a:hover,.index-nav a.active{color:var(--blue-deep);background:var(--blue-soft)}
.index-nav em{font-style:normal;color:var(--warm);font:700 11px ui-monospace,monospace}
.guide-group{padding:26px 28px;background:#fff;border:1px solid var(--line);border-radius:18px;margin-bottom:16px}
.guide-group h3{margin:0;color:var(--blue-deep);font-size:20px}
.guide-group>p{margin:7px 0 18px;color:var(--muted);font-size:13px}
.guide-links{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}
.guide-link{display:flex;align-items:center;gap:11px;padding:13px;border:1px solid #e0eaef;border-radius:12px;font-size:13px;font-weight:700;color:var(--blue-deep);transition:.2s}
.guide-link b{color:var(--warm);font:800 11px ui-monospace,monospace}
.guide-link:hover{border-color:#a9c7d8;background:var(--blue-pale);transform:translateY(-1px)}
.notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.notice{padding:23px;border-radius:17px;border:1px solid var(--line);background:#fff}
.notice.green{background:var(--green-soft);border-color:#c9e5dc}
.notice h3{margin:0 0 9px;color:var(--blue-deep);font-size:18px}
.notice p{margin:0;color:var(--muted);font-size:13px}
.notice ul{margin:13px 0 0;padding:0;list-style:none;font-size:13px;color:var(--ink)}
.notice li{padding:5px 0 5px 18px;position:relative}
.notice li:before{content:"";position:absolute;left:1px;top:13px;width:7px;height:7px;border-radius:50%;background:var(--green)}
.faq{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;padding:20px 0;color:var(--blue-deep);font-weight:700}
.faq-question span:last-child{font-size:22px;color:var(--warm);transition:.2s}
.faq-question[aria-expanded=true] span:last-child{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .3s ease}
.faq-answer p{padding:0 38px 20px 0;margin:0}
.cta{background:#edf5f8;border:1px solid #d9e9ef;border-radius:22px;padding:40px 46px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{margin:0 0 8px;color:var(--blue-deep);font-size:29px;line-height:1.3}
.cta p{margin:0;color:var(--muted);font-size:14px}
.footer{padding:54px 0 100px;background:#f2f7f9;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer .logo{display:block;margin-bottom:13px}
.footer p,.footer a{font-size:13px;color:var(--muted)}
.footer a:hover{color:var(--blue)}
.footer h3{font-size:14px;color:var(--blue-deep);margin:0 0 13px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.copyright{margin-top:42px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
.fixed-bar{position:fixed;z-index:30;left:50%;bottom:18px;transform:translateX(-50%);width:min(820px,calc(100% - 32px));display:flex;align-items:center;gap:16px;padding:11px 12px 11px 18px;background:rgba(24,54,79,.97);color:#fff;border-radius:15px;box-shadow:0 15px 38px rgba(24,54,79,.22)}
.fixed-bar strong{font-size:13px}
.fixed-bar p{margin:0 auto 0 0;color:#c5d5df;font-size:12px}
.fixed-bar .btn{min-height:38px;padding:0 15px;background:var(--warm);box-shadow:none}
.fixed-bar .btn:hover{background:#bd7049}
.close-bar{width:29px;height:29px;border-radius:8px;background:rgba(255,255,255,.12);color:#fff;font-size:17px}
.close-bar:hover{background:rgba(255,255,255,.22)}
.empty-state{display:none;padding:34px;text-align:center;color:var(--muted);border:1px dashed #bfd3df;border-radius:15px;background:#fff}
@media(max-width:1024px){
 .nav{gap:18px}.nav-links a{padding:8px 9px}.hero-layout{gap:30px}.featured{grid-template-columns:38% 62%}
}
@media(max-width:768px){
 body{padding-bottom:78px}.topline .container{overflow:hidden;white-space:nowrap}.topline .container span:last-child{display:none}
 .nav{height:67px;gap:12px}.nav-links{display:none}.nav-tools{margin-left:auto}.nav-tools .btn,.search-link{display:none}.menu-btn{display:block}
 .nav-links.open{position:absolute;display:flex;flex-direction:column;align-items:stretch;top:67px;left:20px;right:20px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.nav-links.open a{padding:12px}
 .page-hero{padding:39px 0 35px}.hero-layout{grid-template-columns:1fr;gap:26px}.page-hero h1{font-size:39px}.hero-note{padding:21px}
 .section{padding:57px 0}.section-head{display:block;margin-bottom:22px}.section-head p{margin-top:13px}
 .filter-row{grid-template-columns:1fr 1fr}.search-box{grid-column:1/-1}.featured{grid-template-columns:1fr}.cover{min-height:215px}.featured-body{padding:25px}.featured-body h3{font-size:23px}
 .index-layout{grid-template-columns:1fr}.index-nav{position:static;display:flex;overflow:auto;gap:7px;padding:10px}.index-nav h3{display:none}.index-nav a{white-space:nowrap;padding:9px 12px}.guide-links{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.cta{padding:30px;display:block}.cta .btn{margin-top:20px}.fixed-bar p{display:none}
}
@media(max-width:520px){
 .container{width:min(var(--container),calc(100% - 28px))}.logo{font-size:18px}.page-hero h1{font-size:34px}.hero-copy{font-size:15px}.hero-meta{gap:8px}
 .section-head h2{font-size:27px}.filter-panel{padding:12px}.filter-row{grid-template-columns:1fr}.search-box{grid-column:auto}.select-wrap select{width:100%}
 .list-card{grid-template-columns:80px 1fr;gap:13px}.thumb{height:66px}.list-side{grid-column:2;text-align:left;display:flex;gap:13px;align-items:center}.list-side time{margin:0}.list-main h3{font-size:15px}.list-main p{font-size:12px}
 .notice-grid{grid-template-columns:1fr}.guide-group{padding:21px}.cta{padding:25px}.cta h2{font-size:25px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.fixed-bar{bottom:10px;padding-left:13px;gap:9px}.fixed-bar strong{font-size:12px}.fixed-bar .btn{min-height:36px;padding:0 11px;font-size:12px}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}