/* roulang page: index */
:root{
      --navy:#10233f;--blue:#2167d5;--cyan:#25b9c8;--ink:#18263a;
      --muted:#718096;--bg:#f5f8fc;--line:#e4ebf3;--white:#fff;
      --soft:#eaf2ff;--radius:18px;--shadow:0 14px 34px rgba(25,57,96,.09)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;object-fit:cover}
    button,.btn{transition:.25s ease}
    .container{max-width:1180px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,235,243,.85)}
    .navbar{min-height:76px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--navy);white-space:nowrap}
    .brand-mark{width:39px;height:39px;border-radius:12px;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:0 8px 18px rgba(16,35,63,.2)}
    .brand-name{font-size:16px}
    .nav-link{font-size:14px;font-weight:600;color:#52647d!important;margin:0 4px;border-radius:10px;padding:9px 13px!important}
    .nav-link:hover,.nav-link.active{color:var(--blue)!important;background:var(--soft)}
    .nav-cta{background:var(--blue);color:#fff!important;border-radius:11px;padding:10px 17px!important}
    .nav-cta:hover{background:#174fae;transform:translateY(-1px)}
    .hero{padding:72px 0 48px;background:linear-gradient(135deg,#edf5ff 0%,#fff 58%,#e9fbfb 100%);overflow:hidden}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    h1{font-size:clamp(34px,5vw,62px);line-height:1.12;letter-spacing:0;margin:18px 0 18px;color:var(--navy);font-weight:900}
    h1 span{color:var(--blue)}
    .hero-copy{font-size:17px;color:#596b81;max-width:700px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .btn-main{background:var(--blue);border:1px solid var(--blue);color:#fff;border-radius:12px;padding:12px 20px;font-weight:700;box-shadow:0 10px 20px rgba(33,103,213,.2)}
    .btn-main:hover{background:#174fae;border-color:#174fae;color:#fff;transform:translateY(-2px)}
    .btn-ghost{background:#fff;border:1px solid var(--line);color:var(--navy);border-radius:12px;padding:12px 20px;font-weight:700}
    .btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .hero-grid{display:grid;grid-template-columns:1.4fr .7fr .7fr;gap:16px;margin-top:42px}
    .hero-panel{min-height:142px;border-radius:var(--radius);padding:24px;background:#fff;border:1px solid rgba(220,231,244,.9);box-shadow:var(--shadow)}
    .hero-panel.main-panel{grid-row:span 2;min-height:300px;background:var(--navy);color:#fff;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}
    .main-panel:after{content:"69";position:absolute;right:22px;top:16px;font-size:112px;line-height:1;color:rgba(255,255,255,.07);font-weight:900}
    .panel-label{font-size:12px;color:var(--cyan);font-weight:800;letter-spacing:.08em}
    .main-panel h2{font-size:30px;line-height:1.25;margin:12px 0 8px;position:relative}
    .hero-panel p{margin:0;color:var(--muted);font-size:14px}
    .main-panel p{color:#c6d3e5;position:relative}
    section{padding:76px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
    .section-kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
    h2{font-size:30px;line-height:1.25;color:var(--navy);font-weight:850;margin:6px 0 0}
    .section-intro{max-width:650px;color:var(--muted);margin:10px 0 0}
    .text-link{color:var(--blue);font-weight:700;font-size:14px}
    .text-link:hover{color:#123e8b}
    .category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .category-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 24px rgba(25,57,96,.05);min-height:190px}
    .category-card:hover,.content-card:hover,.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .category-card,.content-card,.quote-card{transition:.25s ease}
    .icon-box{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:var(--soft);color:var(--blue);font-size:18px;margin-bottom:19px}
    .category-card h3{font-size:18px;margin:0 0 8px;color:var(--navy)}
    .category-card p{font-size:14px;color:var(--muted);margin:0}
    .section-muted{background:#eef4fa}
    .content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .content-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 8px 22px rgba(25,57,96,.05)}
    .poster{height:188px;position:relative;background:#d8e7fa}
    .poster img{height:100%}
    .poster:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(8,21,43,.6))}
    .badge-status{position:absolute;z-index:1;top:12px;left:12px;background:#fff;color:var(--blue);border-radius:7px;padding:3px 8px;font-size:11px;font-weight:800}
    .card-body{padding:16px}
    .card-title{font-weight:800;color:var(--navy);margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .card-meta{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:8px}
    .rating{color:#e99a25;font-weight:800}
    .spotlight{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
    .spotlight-copy{padding:18px 0}
    .spotlight-copy p{color:var(--muted);max-width:590px}
    .feature-list{list-style:none;padding:0;margin:24px 0 0}
    .feature-list li{display:flex;gap:12px;margin:14px 0;color:#52647d;font-size:14px}
    .feature-list i{color:var(--cyan);margin-top:5px}
    .feature-visual{min-height:350px;border-radius:24px;background:var(--navy);padding:28px;display:flex;align-items:end;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .feature-visual:before{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(37,185,200,.4);border-radius:50%;right:-45px;top:-55px}
    .visual-note{position:relative;color:#fff;max-width:320px}
    .visual-note strong{font-size:48px;display:block;line-height:1;color:var(--cyan)}
    .visual-note span{color:#cbd7e7;font-size:14px}
    .rank-layout{display:grid;grid-template-columns:1fr 1fr;gap:25px}
    .rank-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px 20px}
    .rank-item{display:grid;grid-template-columns:38px 1fr auto auto;align-items:center;gap:13px;padding:15px 0;border-bottom:1px solid #edf1f5}
    .rank-item:last-child{border-bottom:0}
    .rank-num{font-size:20px;font-weight:900;color:#a6b4c6}
    .rank-item:nth-child(-n+3) .rank-num{color:var(--blue)}
    .rank-name{font-weight:700;color:var(--navy);font-size:14px}
    .rank-tag{font-size:11px;background:var(--soft);color:var(--blue);padding:3px 7px;border-radius:6px}
    .rank-hot{font-size:12px;color:var(--muted)}
    .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .trust-item{background:#fff;border-radius:15px;padding:24px;border:1px solid var(--line)}
    .trust-item strong{font-size:26px;color:var(--navy);display:block}
    .trust-item span{font-size:13px;color:var(--muted)}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative}
    .step-no{color:var(--cyan);font-size:14px;font-weight:900}
    .step h3{font-size:18px;color:var(--navy);margin:10px 0 7px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .news-item{display:flex;gap:14px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:14px}
    .news-thumb{width:92px;height:78px;border-radius:10px;background:#dce8f6;flex:none}
    .news-thumb img{height:100%;border-radius:10px}
    .news-item h3{font-size:15px;line-height:1.45;color:var(--navy);margin:2px 0 8px}
    .news-date{font-size:12px;color:var(--muted)}
    .quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
    .quote-card p{color:#52647d;font-size:14px;margin:0 0 17px}
    .quote-card strong{font-size:14px;color:var(--navy)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px 20px}
    .faq-item summary{cursor:pointer;font-weight:750;color:var(--navy);list-style:none}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";float:right;color:var(--blue);font-size:20px}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{font-size:14px;color:var(--muted);margin:12px 0 0}
    .cta-band{padding:40px;border-radius:22px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta-band h2{color:#fff;font-size:26px}
    .cta-band p{color:#bdcadd;margin:8px 0 0}
    footer{background:#0c1b30;color:#b9c8da;padding:55px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12)}
    footer .brand{color:#fff}
    footer .brand-mark{background:var(--cyan);color:var(--navy)}
    .footer-desc{font-size:13px;max-width:300px;margin-top:17px;color:#9cafc5}
    footer h3{font-size:14px;color:#fff;margin:0 0 14px}
    footer a{display:block;font-size:13px;color:#9cafc5;margin:8px 0}
    footer a:hover{color:#fff}
    .copyright{font-size:12px;color:#8295ad;padding-top:20px;display:flex;justify-content:space-between;gap:15px}
    :focus-visible{outline:3px solid rgba(37,185,200,.55);outline-offset:3px}
    @media(max-width:1024px){
      .hero-grid{grid-template-columns:1fr 1fr}.hero-panel.main-panel{grid-row:span 1;grid-column:span 2}
      .content-grid{grid-template-columns:repeat(3,1fr)}.category-grid{grid-template-columns:repeat(2,1fr)}
      .news-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr 1fr 1fr}
    }
    @media(max-width:768px){
      .navbar{padding:10px 0}.brand-name{font-size:14px}.nav-link{margin:2px 0}
      .hero{padding-top:48px}.hero-grid,.spotlight,.rank-layout{grid-template-columns:1fr}
      .hero-panel.main-panel{grid-column:auto;min-height:240px}.content-grid{grid-template-columns:repeat(2,1fr)}
      .trust-grid{grid-template-columns:repeat(2,1fr)}.steps,.quotes{grid-template-columns:1fr}
      .section-head{align-items:start;flex-direction:column;gap:8px}.cta-band{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      h1{font-size:37px}.hero-copy{font-size:15px}.category-grid,.content-grid,.news-grid,.faq-grid,.footer-grid{grid-template-columns:1fr}
      .hero-grid{grid-template-columns:1fr}.hero-panel.main-panel{grid-column:auto}.trust-grid{grid-template-columns:1fr 1fr}
      section{padding:54px 0}.section-head{margin-bottom:21px}.poster{height:220px}
      .copyright{display:block}.copyright span{display:block;margin-top:6px}
    }

/* roulang page: category1 */
:root{
 --navy:#10233f;--blue:#2167d5;--cyan:#25b9c8;--ink:#18263a;
 --muted:#718096;--bg:#f5f8fc;--line:#e4ebf3;--white:#fff;
 --soft:#eaf2ff;--radius:18px;--shadow:0 14px 34px rgba(25,57,96,.09)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,.btn{transition:.25s ease}
.container{max-width:1180px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,235,243,.85)}
.navbar{min-height:76px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--navy);white-space:nowrap}
.brand-mark{width:39px;height:39px;border-radius:12px;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:0 8px 18px rgba(16,35,63,.2)}
.brand-name{font-size:16px}
.nav-link{font-size:14px;font-weight:600;color:#52647d!important;margin:0 4px;border-radius:10px;padding:9px 13px!important}
.nav-link:hover,.nav-link.active{color:var(--blue)!important;background:var(--soft)}
.nav-cta{background:var(--blue);color:#fff!important;border-radius:11px;padding:10px 17px!important}
.nav-cta:hover{background:#174fae;transform:translateY(-1px)}
.page-hero{padding:72px 0 62px;background:linear-gradient(135deg,#edf5ff 0%,#fff 58%,#e9fbfb 100%)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:0;margin:16px 0;color:var(--navy);font-weight:850}
h1 em{font-style:normal;color:var(--blue)}
.hero-copy{max-width:760px;color:#596b81;font-size:17px;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn-main{background:var(--blue);border:1px solid var(--blue);color:#fff;border-radius:12px;padding:12px 20px;font-weight:700;box-shadow:0 10px 20px rgba(33,103,213,.2)}
.btn-main:hover{background:#174fae;border-color:#174fae;color:#fff;transform:translateY(-2px)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--navy);border-radius:12px;padding:12px 20px;font-weight:700}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.search-panel{margin-top:38px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.search-box{display:flex;gap:10px}
.search-box input{flex:1;border:1px solid var(--line);border-radius:11px;padding:13px 16px;outline:none;color:var(--ink)}
.search-box input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(33,103,213,.1)}
.quick-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:13px}
.quick-links a{padding:6px 12px;background:var(--soft);border-radius:8px;color:var(--blue);font-size:13px;font-weight:700}
.quick-links a:hover{background:#d7e7ff}
section{padding:72px 0}
.section-muted{background:#eef4fa}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
.section-head h2{font-size:30px;line-height:1.25;color:var(--navy);margin:6px 0 0}
.section-intro{max-width:650px;color:var(--muted);margin:10px 0 0}
.text-link{color:var(--blue);font-weight:700;font-size:14px}
.text-link:hover{color:#123e8b}
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.category-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 24px rgba(25,57,96,.05);min-height:205px;transition:.25s ease}
.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.category-icon{width:42px;height:42px;border-radius:12px;background:var(--soft);color:var(--blue);display:grid;place-items:center;margin-bottom:18px}
.category-card h3{font-size:18px;margin:0 0 8px;color:var(--navy)}
.category-card p{font-size:14px;color:var(--muted);margin:0}
.category-card .small-link{display:inline-block;margin-top:16px;color:var(--blue);font-size:13px;font-weight:700}
.content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.content-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 8px 22px rgba(25,57,96,.05);transition:.25s ease}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.poster{height:170px;position:relative;overflow:hidden}
.poster img{height:100%;transition:.35s ease}
.content-card:hover .poster img{transform:scale(1.04)}
.badge-status{position:absolute;z-index:1;top:12px;left:12px;background:#fff;color:var(--blue);border-radius:7px;padding:3px 8px;font-size:11px;font-weight:800}
.card-body{padding:16px}
.card-title{font-weight:800;color:var(--navy);margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card-meta{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:8px}
.rating{color:#e19a22;font-weight:800}
.split-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:start}
.info-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 8px 22px rgba(25,57,96,.05)}
.info-panel h3{color:var(--navy);margin:0 0 12px;font-size:22px}
.info-panel p{color:var(--muted);margin:0}
.feature-list{list-style:none;padding:0;margin:23px 0 0}
.feature-list li{display:flex;gap:12px;margin:14px 0;color:#52647d;font-size:14px}
.feature-list i{color:var(--cyan);margin-top:5px}
.feature-visual{min-height:350px;border-radius:24px;background:var(--navy);padding:28px;display:flex;align-items:end;box-shadow:var(--shadow);position:relative;overflow:hidden;background-image:linear-gradient(rgba(16,35,63,.2),rgba(16,35,63,.75)),url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1000&q=80");background-size:cover;background-position:center}
.feature-visual:after{content:"69";position:absolute;right:24px;top:12px;font-size:120px;line-height:1;color:rgba(255,255,255,.12);font-weight:900}
.feature-visual h3{position:relative;color:#fff;margin:0;font-size:28px;z-index:1}
.rank-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px 20px}
.rank-item{display:grid;grid-template-columns:38px 1fr auto auto;align-items:center;gap:13px;padding:15px 0;border-bottom:1px solid #edf1f5}
.rank-item:last-child{border-bottom:0}
.rank-num{font-weight:850;color:#9aa8ba;font-size:20px}
.rank-item:nth-child(-n+3) .rank-num{color:var(--blue)}
.rank-name{font-weight:750;color:var(--navy)}
.rank-tag{font-size:11px;background:var(--soft);color:var(--blue);padding:3px 7px;border-radius:6px}
.rank-score{font-size:13px;color:#e19a22;font-weight:800}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-item{display:flex;gap:14px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.25s ease}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.news-thumb{width:100px;height:82px;flex:0 0 100px}
.news-thumb img{height:100%;border-radius:10px}
.news-item h3{font-size:15px;line-height:1.45;color:var(--navy);margin:2px 0 8px}
.news-item time{font-size:12px;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px 20px}
.faq-item summary{cursor:pointer;font-weight:750;color:var(--navy);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";float:right;color:var(--blue);font-size:20px;line-height:1}
.faq-item[open] summary:after{content:"−"}
.faq-item p{color:var(--muted);font-size:14px;margin:13px 0 0}
.final-cta{padding:58px 0;background:var(--navy);color:#fff}
.final-cta h2{font-size:30px;margin:0 0 10px}
.final-cta p{color:#c6d3e5;margin:0;max-width:680px}
.final-cta .btn-main{background:var(--cyan);border-color:var(--cyan);color:var(--navy);box-shadow:none}
.final-cta .btn-main:hover{background:#58d4dc;border-color:#58d4dc}
footer{background:#fff;border-top:1px solid var(--line);padding:54px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
.footer-desc{color:var(--muted);font-size:14px;max-width:290px;margin:18px 0 0}
footer h3{font-size:14px;color:var(--navy);margin:5px 0 14px}
footer a:not(.brand){display:block;color:var(--muted);font-size:13px;margin:8px 0}
footer a:not(.brand):hover{color:var(--blue)}
.copyright{border-top:1px solid var(--line);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:16px;color:#8b99aa;font-size:12px}
@media(max-width:1024px){
 .category-grid,.content-grid{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .navbar{min-height:68px}
 .brand-name{font-size:14px;white-space:normal;line-height:1.25}
 .page-hero{padding:52px 0 44px}
 section{padding:54px 0}
 .split-layout{grid-template-columns:1fr}
 .feature-visual{min-height:260px}
 .section-head{display:block}
 .section-head .text-link{display:inline-block;margin-top:12px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
 .container{padding-left:18px;padding-right:18px}
 h1{font-size:34px}
 .hero-copy{font-size:15px}
 .search-box{display:block}
 .search-box .btn{width:100%;margin-top:9px}
 .category-grid,.content-grid,.news-grid,.faq-grid{grid-template-columns:1fr}
 .poster{height:210px}
 .rank-list{padding:8px 14px}
 .rank-item{grid-template-columns:30px 1fr auto;gap:8px}
 .rank-tag{display:none}
 .footer-grid{grid-template-columns:1fr}
 .copyright{display:block}
 .copyright span{display:block;margin-top:5px}
}