/* roulang page: index */
:root{
      --ink:#202938;
      --muted:#687386;
      --blue:#2257a5;
      --blue-dark:#163d79;
      --cyan:#dff2f5;
      --paper:#f5f8fb;
      --white:#fff;
      --line:#dce5ed;
      --gold:#c59445;
      --radius:16px;
      --shadow:0 14px 38px rgba(29,58,91,.09);
      --shadow-hover:0 20px 44px rgba(29,58,91,.16);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    .container{max-width:1180px}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
    .navbar{min-height:76px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--blue-dark);letter-spacing:.02em}
    .brand-mark{width:39px;height:39px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 7px 16px rgba(34,87,165,.25)}
    .brand-name{font-size:16px;white-space:nowrap}
    .nav-link{font-size:14px;color:#536174!important;margin:0 4px;padding:10px 12px!important;border-radius:9px;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--blue)!important;background:#edf4fc}
    .nav-flag{font-size:12px;color:var(--blue);border:1px solid #c9daee;border-radius:20px;padding:7px 12px;white-space:nowrap}
    .hero{position:relative;overflow:hidden;background:#eaf2f8;padding:92px 0 82px;border-bottom:1px solid var(--line)}
    .hero:after{content:"";position:absolute;right:-160px;top:-180px;width:560px;height:560px;border:1px solid rgba(34,87,165,.1);border-radius:50%;box-shadow:0 0 0 70px rgba(34,87,165,.035),0 0 0 140px rgba(34,87,165,.025)}
    .eyebrow{font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--blue);text-transform:uppercase;margin-bottom:16px}
    .hero h1{font-size:clamp(34px,5vw,62px);line-height:1.18;letter-spacing:0;margin:0 0 22px;font-weight:900;max-width:760px}
    .hero h1 em{font-style:normal;color:var(--blue)}
    .hero-copy{max-width:720px;font-size:17px;color:#596779;margin-bottom:30px}
    .btn-primary-custom,.btn-outline-custom{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:12px 21px;font-size:14px;font-weight:700;transition:.2s;border:1px solid transparent}
    .btn-primary-custom{background:var(--blue);color:#fff;box-shadow:0 9px 18px rgba(34,87,165,.2)}
    .btn-primary-custom:hover,.btn-primary-custom:focus{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
    .btn-outline-custom{border-color:#a9bfd9;color:var(--blue);background:#fff}
    .btn-outline-custom:hover,.btn-outline-custom:focus{border-color:var(--blue);background:#edf4fc;color:var(--blue-dark)}
    .hero-note{margin-top:25px;color:#788598;font-size:12px}
    .hero-panel{position:relative;z-index:2;background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:var(--shadow)}
    .hero-panel-title{font-size:13px;font-weight:800;color:var(--blue-dark);margin-bottom:18px}
    .metric-row{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #edf1f4;padding:13px 0}
    .metric-row:last-child{border-bottom:0}
    .metric-row strong{font-size:23px;color:var(--blue)}
    .metric-row span{font-size:13px;color:var(--muted)}
    section{padding:82px 0}
    .section-soft{background:#fff}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .section-head h2{font-size:30px;line-height:1.3;margin:0;font-weight:850;letter-spacing:0}
    .section-head p{max-width:590px;color:var(--muted);margin:0;font-size:14px}
    .mini-rule{width:44px;height:3px;background:var(--gold);margin:12px 0 0}
    .catalog-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:18px}
    .catalog-item{padding:24px;border:1px solid var(--line);background:#fff;border-radius:var(--radius);box-shadow:0 7px 20px rgba(25,54,88,.05);transition:.2s}
    .catalog-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .catalog-item.featured{background:var(--blue-dark);color:#fff;border-color:var(--blue-dark)}
    .catalog-item h3{font-size:19px;margin:0 0 10px}
    .catalog-item p{font-size:14px;color:var(--muted);margin:0}
    .featured p{color:#d8e3f1}
    .index-no{color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:13px}
    .value-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .value-box{padding:24px 20px;border-left:3px solid var(--blue);background:#f8fbfd}
    .value-box h3{font-size:17px;margin:0 0 8px}
    .value-box p{font-size:13px;color:var(--muted);margin:0}
    .content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 7px 22px rgba(25,54,88,.06);transition:.2s}
    .content-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
    .content-card img{width:100%;height:190px;object-fit:cover}
    .card-body{padding:17px}
    .tag{display:inline-flex;align-items:center;background:#edf4fc;color:var(--blue);font-size:11px;font-weight:800;border-radius:5px;padding:3px 8px;margin-bottom:10px}
    .tag.gold{background:#fbf2df;color:#93651c}
    .content-card h3{font-size:16px;line-height:1.45;margin:0 0 11px}
    .card-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}
    .rating{color:#ad7622;font-weight:800}
    .chart-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:22px;align-items:stretch}
    .chart-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
    .chart-box h3{font-size:20px;margin:0 0 18px}
    .bar-line{display:grid;grid-template-columns:100px 1fr 45px;align-items:center;gap:12px;margin:17px 0;font-size:13px}
    .bar-track{height:8px;background:#edf1f5;border-radius:8px;overflow:hidden}
    .bar-fill{height:100%;background:var(--blue);border-radius:8px}
    .bar-line b{font-size:12px;color:var(--blue)}
    .ranking{list-style:none;margin:0;padding:0}
    .ranking li{display:grid;grid-template-columns:35px 1fr auto auto;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid #edf1f4;font-size:14px}
    .ranking li:last-child{border-bottom:0}
    .rank{font-size:18px;font-weight:900;color:#bdc9d4}
    .rank.top{color:var(--gold)}
    .rank-title{font-weight:700}
    .heat{font-size:12px;color:var(--muted)}
    .resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .resource{background:#fff;padding:23px;border:1px solid var(--line);border-radius:var(--radius)}
    .resource-icon{width:35px;height:35px;display:grid;place-items:center;border-radius:9px;background:var(--cyan);color:var(--blue-dark);font-weight:900;margin-bottom:16px}
    .resource h3{font-size:18px;margin:0 0 8px}
    .resource p{font-size:13px;color:var(--muted);margin:0}
    .news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .news-item{display:flex;gap:16px;padding:13px;border:1px solid var(--line);background:#fff;border-radius:12px;transition:.2s}
    .news-item:hover{border-color:#a8c1dc;box-shadow:0 8px 20px rgba(25,54,88,.07)}
    .news-item img{width:106px;height:76px;object-fit:cover;border-radius:8px}
    .news-item h3{font-size:15px;line-height:1.45;margin:3px 0 5px}
    .news-item time{font-size:12px;color:var(--muted)}
    .trust-band{background:var(--blue-dark);color:#fff}
    .trust-band .section-head p{color:#cbd8e7}
    .trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .trust-item{border:1px solid rgba(255,255,255,.18);padding:22px;border-radius:14px}
    .trust-item strong{font-size:27px;color:#f2cb7e;display:block;margin-bottom:5px}
    .trust-item span{font-size:13px;color:#d5e0ed}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}
    .faq-item h3{font-size:16px;margin:0 0 8px;color:var(--blue-dark)}
    .faq-item p{font-size:13px;color:var(--muted);margin:0}
    .closing{background:#e8f1f7;text-align:center;padding:76px 0}
    .closing h2{font-size:31px;margin:0 auto 12px}
    .closing p{max-width:650px;margin:0 auto 25px;color:var(--muted);font-size:14px}
    footer{background:#172437;color:#d5dfeb;padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    footer h3{font-size:15px;color:#fff;margin:0 0 15px}
    footer p,footer a{font-size:13px;color:#aebdcd}
    footer a{display:block;margin:8px 0;transition:.2s}
    footer a:hover{color:#fff}
    .footer-brand{font-size:18px;color:#fff;font-weight:800;margin-bottom:13px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:19px;font-size:12px;color:#8fa2b7}
    .mobile-menu{border:1px solid var(--line);color:var(--blue);background:#fff}
    :focus-visible{outline:3px solid rgba(34,87,165,.35);outline-offset:3px}
    @media (max-width:1024px){
      .content-grid{grid-template-columns:repeat(3,1fr)}
      .catalog-grid{grid-template-columns:repeat(2,1fr)}
      .catalog-item.featured{grid-column:span 2}
      .hero{padding:72px 0}
    }
    @media (max-width:768px){
      section{padding:60px 0}
      .hero .row{gap:35px}
      .hero-panel{max-width:520px}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .value-strip,.trust-grid{grid-template-columns:repeat(2,1fr)}
      .chart-layout,.resource-grid{grid-template-columns:1fr}
      .content-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
      .nav-flag{display:none}
    }
    @media (max-width:520px){
      .navbar{min-height:67px}
      .brand-name{font-size:13px}
      .brand-mark{width:34px;height:34px}
      .hero{padding:56px 0}
      .hero h1{font-size:34px}
      .hero-copy{font-size:15px}
      .hero-actions{display:grid;gap:10px}
      .hero-actions a{width:100%}
      .catalog-grid,.content-grid,.value-strip,.news-list,.faq-grid,.trust-grid,.footer-grid{grid-template-columns:1fr}
      .catalog-item.featured{grid-column:auto}
      .content-card img{height:220px}
      .chart-box{padding:20px}
      .bar-line{grid-template-columns:76px 1fr 37px;gap:7px}
      .news-item img{width:92px;height:70px}
      .closing h2{font-size:26px}
    }

/* roulang page: category1 */
:root{
 --ink:#202938;--muted:#687386;--blue:#2257a5;--blue-dark:#163d79;
 --cyan:#dff2f5;--paper:#f5f8fb;--white:#fff;--line:#dce5ed;--gold:#c59445;
 --radius:16px;--shadow:0 14px 38px rgba(29,58,91,.09);--shadow-hover:0 20px 44px rgba(29,58,91,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
.container{max-width:1180px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.navbar{min-height:76px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--blue-dark);letter-spacing:0}
.brand-mark{width:39px;height:39px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 7px 16px rgba(34,87,165,.25);flex:none}
.brand-name{font-size:16px;white-space:nowrap}
.nav-link{font-size:14px;color:#536174!important;margin:0 3px;padding:10px 11px!important;border-radius:9px;transition:color .2s,background .2s}
.nav-link:hover,.nav-link.active{color:var(--blue)!important;background:#edf4fc}
.nav-flag{font-size:12px;color:var(--blue);border:1px solid #c9daee;border-radius:20px;padding:7px 12px;white-space:nowrap}
.navbar-toggler{border-color:#cbd8e5}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(34,87,165,.18)}
section{padding:76px 0}
.section-soft{background:#fff}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-head h2{font-size:30px;line-height:1.3;margin:0;font-weight:850}
.section-head p{max-width:590px;color:var(--muted);margin:0;font-size:14px}
.eyebrow{font-size:12px;font-weight:800;letter-spacing:0;color:#7fa9dd;margin-bottom:13px}
.hero{position:relative;overflow:hidden;background:#172b45;padding:70px 0 68px;color:#fff}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(17,37,62,.1),rgba(17,37,62,.5)),url("https://images.unsplash.com/photo-1524504388940-b1c1722653e1?auto=format&fit=crop&w=2000&q=85") center 39%/cover;opacity:.22;pointer-events:none}
.hero .container{position:relative;z-index:1}
.hero h1{font-size:clamp(36px,5vw,58px);line-height:1.16;margin:0 0 17px;font-weight:900;max-width:650px}
.hero h1 em{font-style:normal;color:#8fc9e3}
.hero-subtitle{font-size:19px;font-weight:700;color:#e5eff9;margin-bottom:12px}
.hero-copy{max-width:610px;font-size:15px;color:#cbd8e7;margin-bottom:24px}
.btn-primary-custom,.btn-outline-custom{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:11px 19px;font-size:14px;font-weight:700;transition:all .2s;border:1px solid transparent}
.btn-primary-custom{background:var(--blue);color:#fff;box-shadow:0 9px 18px rgba(34,87,165,.2)}
.btn-primary-custom:hover,.btn-primary-custom:focus{background:#3973c2;color:#fff;transform:translateY(-2px)}
.btn-outline-custom{border-color:#a9bfd9;color:var(--blue);background:#fff}
.btn-outline-custom:hover,.btn-outline-custom:focus{border-color:var(--blue);background:#edf4fc;color:var(--blue-dark)}
.hero .btn-outline-custom{background:transparent;color:#fff;border-color:rgba(255,255,255,.46)}
.hero .btn-outline-custom:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.hero-panel{background:rgba(255,255,255,.97);color:var(--ink);border:1px solid rgba(255,255,255,.45);border-radius:14px;padding:22px 24px;box-shadow:0 20px 48px rgba(5,20,40,.25)}
.hero-panel-title{font-size:13px;font-weight:800;color:var(--blue-dark);margin-bottom:8px}
.metric-row{display:flex;justify-content:space-between;align-items:center;gap:16px;border-bottom:1px solid #edf1f4;padding:10px 0}
.metric-row:last-child{border-bottom:0}
.metric-row strong{font-size:15px;color:var(--ink);font-weight:750}
.metric-row span{font-size:12px;color:var(--muted);white-space:nowrap}
.metric-row b{color:var(--blue);font-size:14px}
.content-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 7px 22px rgba(25,54,88,.06);transition:transform .2s,box-shadow .2s,border-color .2s}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c2d3e4}
.content-card img{width:100%;height:190px;object-fit:cover;background:#e7edf3}
.card-body{padding:15px 16px 16px}
.tag{display:inline-flex;align-items:center;background:#edf4fc;color:var(--blue);font-size:11px;font-weight:800;border-radius:5px;padding:3px 8px;margin:0 0 9px}
.tag.gold{background:#fbf2df;color:#93651c}
.content-card h3{font-size:15px;line-height:1.48;margin:0 0 11px;font-weight:750}
.card-meta{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;gap:8px}
.card-meta strong{color:#93651c}
.channel-layout{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 28px;border-top:1px solid var(--line)}
.channel-item{position:relative;display:grid;grid-template-columns:52px 1fr;gap:15px;padding:23px 4px;border-bottom:1px solid var(--line)}
.channel-number{width:44px;height:44px;border:1px solid #c9d9e8;border-radius:11px;display:grid;place-items:center;color:var(--blue);font-weight:800;font-size:13px;background:#f7fbff}
.channel-item h3{font-size:17px;margin:0 0 6px;color:var(--blue-dark)}
.channel-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.75}
.popular-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:stretch}
.popular-lead{min-height:330px;border-radius:var(--radius);overflow:hidden;position:relative;background:#243c57}
.popular-lead img{position:absolute;width:100%;height:100%;inset:0;object-fit:cover;opacity:.75}
.popular-lead:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(13,28,48,.9),rgba(13,28,48,.04) 75%)}
.popular-lead-copy{position:absolute;z-index:1;left:26px;right:26px;bottom:24px;color:white}
.popular-lead-copy .tag{background:rgba(255,255,255,.18);color:#fff}
.popular-lead-copy h3{font-size:24px;margin:4px 0 6px}
.popular-lead-copy p{font-size:13px;color:#d9e4ef;margin:0}
.popular-list{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.popular-mini{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.2s}
.popular-mini:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.popular-mini img{height:112px;width:100%;object-fit:cover}
.popular-mini div{padding:10px 11px}
.popular-mini h3{font-size:13px;line-height:1.45;margin:0 0 5px}
.popular-mini span{font-size:11px;color:var(--muted)}
.ranking-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;align-items:start}
.ranking-intro{background:var(--blue-dark);border-radius:14px;padding:27px;color:#fff;position:sticky;top:100px}
.ranking-intro h3{font-size:24px;line-height:1.35;margin:0 0 10px}
.ranking-intro p{font-size:13px;color:#d5e1ef;margin:0 0 21px}
.ranking-intro strong{font-size:31px;color:#f2cb7e;display:block}
.ranking-intro span{font-size:12px;color:#c6d5e7}
.rank-list{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.rank-item{display:grid;grid-template-columns:38px minmax(0,1fr) 78px 48px;gap:13px;align-items:center;padding:13px 17px;border-bottom:1px solid #edf1f4}
.rank-item:last-child{border-bottom:0}
.rank-num{font-weight:850;font-size:17px;color:#8290a0;text-align:center}
.rank-item:nth-child(-n+3) .rank-num{color:var(--blue)}
.rank-name{font-size:14px;font-weight:700;min-width:0}
.rank-name small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
.rank-heat,.rank-score{font-size:12px;text-align:right;color:var(--muted)}
.rank-score{font-weight:800;color:#93651c}
.news-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.news-item{display:flex;gap:15px;padding:12px;border:1px solid var(--line);background:#fff;border-radius:12px;transition:all .2s}
.news-item:hover{border-color:#a8c1dc;box-shadow:0 8px 20px rgba(25,54,88,.07);transform:translateY(-2px)}
.news-item img{width:112px;height:80px;object-fit:cover;border-radius:8px;flex:none}
.news-item h3{font-size:14px;line-height:1.45;margin:3px 0 5px}
.news-item time{font-size:11px;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.faq-item h3{font-size:15px;margin:0 0 8px;color:var(--blue-dark)}
.faq-item p{font-size:13px;color:var(--muted);margin:0}
.cta-band{background:#e9f1f8;padding:42px 0;border-top:1px solid #d9e4ee;border-bottom:1px solid #d9e4ee}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta-inner h2{font-size:25px;margin:0 0 6px}
.cta-inner p{font-size:14px;color:var(--muted);margin:0}
footer{background:#172437;color:#d5dfeb;padding:54px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
footer h3{font-size:15px;color:#fff;margin:0 0 15px}
footer p,footer a{font-size:13px;color:#aebdcd}
footer a{display:block;margin:8px 0;transition:color .2s}
footer a:hover{color:#fff}
.footer-brand{font-size:18px;color:#fff;font-weight:800;margin-bottom:13px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:19px;font-size:12px;color:#91a1b3}
:focus-visible{outline:3px solid rgba(52,126,204,.55);outline-offset:3px}
@media(max-width:991.98px){
 .navbar{padding:13px 0}.navbar-collapse{padding:12px 0 4px}.nav-link{margin:2px 0}
 .nav-flag{display:inline-block;margin:10px 0 0}
 .content-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
 .channel-layout{grid-template-columns:repeat(2,minmax(0,1fr))}
 .ranking-intro{position:static}
}
@media(max-width:767.98px){
 section{padding:58px 0}
 .hero{padding:55px 0 52px}
 .hero h1{font-size:39px}
 .hero-panel{margin-top:8px}
 .section-head{display:block}
 .section-head p{margin-top:10px}
 .content-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
 .content-card img{height:165px}
 .popular-layout,.ranking-wrap{grid-template-columns:1fr}
 .popular-lead{min-height:280px}
 .news-list{grid-template-columns:1fr}
 .cta-inner{align-items:flex-start;flex-direction:column}
 .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
}
@media(max-width:520px){
 .container{padding-left:18px;padding-right:18px}
 .brand-name{font-size:14px}
 .brand-mark{width:35px;height:35px}
 .hero h1{font-size:34px}
 .hero-subtitle{font-size:16px}
 .hero-copy{font-size:14px}
 .hero .btn-primary-custom,.hero .btn-outline-custom{width:100%;margin:4px 0}
 .content-grid{gap:10px}
 .content-card img{height:138px}
 .card-body{padding:12px}
 .content-card h3{font-size:13px}
 .card-meta{font-size:11px}
 .channel-layout{grid-template-columns:1fr}
 .popular-list{gap:9px}
 .popular-mini img{height:95px}
 .rank-item{grid-template-columns:30px minmax(0,1fr) 60px 38px;gap:8px;padding:12px 10px}
 .rank-name{font-size:12px}
 .rank-heat,.rank-score{font-size:11px}
 .news-item img{width:94px;height:72px}
 .faq-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
 .footer-brand{font-size:15px}
}