/* roulang page: index */
:root{
      --blue:#1769d1;--blue-dark:#0d4fa8;--blue-soft:#eaf3ff;--cyan:#2e9fc7;
      --ink:#17253a;--muted:#65758b;--line:#dce6f1;--canvas:#f6f9fd;
      --surface:#fff;--surface-alt:#f0f6fc;--shadow:0 14px 38px rgba(27,68,117,.09);
      --shadow-hover:0 18px 42px rgba(27,68,117,.16);--radius:18px;--radius-sm:11px;
      --sidebar:252px;--max:1260px;
    }
    *{box-sizing:border-box} html{scroll-behavior:smooth}
    body{margin:0;background:var(--canvas);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none} button,input,select,textarea{font:inherit} button{cursor:pointer}
    img{max-width:100%;display:block} ::selection{background:#cfe4ff;color:#0d3c7d}
    :focus-visible{outline:3px solid rgba(23,105,209,.35);outline-offset:3px}
    .app-sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);z-index:20;padding:28px 18px;background:#fbfdff;border-right:1px solid var(--line);display:flex;flex-direction:column}
    .brand{display:flex;align-items:center;gap:10px;padding:4px 10px 27px;font-size:20px;font-weight:800;letter-spacing:-.04em;color:#133863}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--blue);display:grid;place-items:center;color:#fff;font-size:14px;box-shadow:0 7px 16px rgba(23,105,209,.24)}
    .brand small{display:block;font-size:11px;color:var(--muted);font-weight:600;letter-spacing:.08em;line-height:1.1;margin-top:2px}
    .side-menu{margin:6px 0;padding:0;list-style:none}.side-menu li{margin:5px 0}
    .side-menu a{display:flex;align-items:center;gap:11px;padding:12px 13px;border-radius:11px;color:#516178;font-weight:700;transition:.2s ease}
    .side-menu a:hover{background:var(--blue-soft);color:var(--blue);transform:translateX(2px)}
    .side-menu a.active{background:var(--blue-soft);color:var(--blue);box-shadow:inset 3px 0 0 var(--blue)}
    .nav-icon{width:20px;height:20px;display:inline-grid;place-items:center;color:currentColor;font-size:18px}
    .sidebar-note{margin-top:auto;padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--surface-alt)}
    .sidebar-note strong{font-size:13px;color:#244266;display:block}.sidebar-note p{font-size:12px;color:var(--muted);line-height:1.6;margin:5px 0 0}
    .sidebar-note .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#34a977;margin-right:6px}
    .mobile-bar{display:none}
    .page{margin-left:var(--sidebar);min-height:100vh}.main-wrap{max-width:var(--max);margin:0 auto;padding:0 34px}
    .section{padding:88px 0}.section-head{margin-bottom:30px;display:flex;justify-content:space-between;gap:24px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.04em}
    .eyebrow:before{content:"";height:7px;width:7px;border-radius:50%;background:var(--cyan)}
    h1,h2,h3,p{margin-top:0}h1{font-size:clamp(34px,4.1vw,58px);line-height:1.17;letter-spacing:-.055em;font-weight:850}
    h2{font-size:clamp(26px,3vw,38px);line-height:1.28;letter-spacing:-.04em;font-weight:800;margin:8px 0 0}
    h3{font-size:19px;line-height:1.4;font-weight:800}.section-intro{max-width:570px;color:var(--muted);margin:0;font-size:15px}
    .hero{padding:42px 0 62px}.hero-stage{position:relative;overflow:hidden;background:linear-gradient(135deg,#edf6ff 0%,#fafdff 67%,#e8f4fb 100%);border:1px solid #d8e8f7;border-radius:26px;padding:48px;box-shadow:var(--shadow)}
    .hero-stage:after{content:"";position:absolute;width:370px;height:370px;border-radius:50%;border:52px solid rgba(52,151,220,.08);right:-170px;top:-190px}
    .hero-content{position:relative;z-index:1}.hero-copy{max-width:700px}.hero-copy p{max-width:680px;margin:18px 0 26px;color:#50667f;font-size:16px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}.btn{border:0;border-radius:10px;padding:12px 18px;font-weight:800;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.22s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 18px rgba(23,105,209,.2)}.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 13px 23px rgba(23,105,209,.28)}
    .btn-secondary{background:#fff;color:var(--blue);border:1px solid #bfd7f4}.btn-secondary:hover{background:var(--blue-soft);transform:translateY(-2px)}
    .quick-row{display:flex;flex-wrap:wrap;gap:10px}.quick-item{padding:7px 11px;border-radius:20px;background:rgba(255,255,255,.85);border:1px solid #dce9f6;font-size:12px;color:#52677e;font-weight:700}
    .watch-panel{position:absolute;z-index:1;right:42px;bottom:38px;width:285px;background:#fff;border:1px solid #d9e7f6;border-radius:16px;box-shadow:var(--shadow);padding:13px;transform:rotate(-2deg)}
    .watch-panel .mini-screen{height:108px;border-radius:11px;background:linear-gradient(135deg,#295c99,#71b8d8);position:relative;overflow:hidden}.mini-screen:before,.mini-screen:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.17)}.mini-screen:before{width:150px;height:150px;right:-48px;top:-72px}.mini-screen:after{width:70px;height:70px;left:22px;bottom:-30px}
    .play{position:absolute;inset:0;margin:auto;width:38px;height:38px;border-radius:50%;background:#fff;color:var(--blue);display:grid;place-items:center;font-size:15px;box-shadow:0 5px 14px rgba(0,0,0,.15)}
    .mini-meta{padding:10px 2px 1px;display:flex;align-items:center;justify-content:space-between;font-size:12px}.mini-meta b{color:#294d77}.mini-meta span{color:var(--muted)}
    .metric-grid{margin-top:0}.metric-card{height:100%;background:var(--surface);border:1px solid var(--line);padding:22px;border-radius:var(--radius);box-shadow:0 8px 22px rgba(27,68,117,.045);transition:.22s ease}.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#c7dcf2}
    .metric-label{font-size:13px;color:var(--muted);font-weight:700}.metric-value{font-size:30px;line-height:1.15;font-weight:850;color:#194f91;margin:10px 0 8px}.metric-desc{font-size:13px;color:#728198;margin:0}.progress{height:5px;background:#e5edf6;border-radius:8px;margin-top:17px;overflow:hidden}.progress i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),var(--cyan))}
    .matrix{display:grid;grid-template-columns:1.22fr 1fr 1fr;grid-template-rows:repeat(2,195px);gap:18px}.matrix-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:24px;box-shadow:0 8px 20px rgba(27,68,117,.045);display:flex;flex-direction:column;transition:.22s ease;overflow:hidden;position:relative}.matrix-card:hover{border-color:#bdd6ef;box-shadow:var(--shadow-hover);transform:translateY(-3px)}
    .matrix-card.large{grid-row:span 2;background:#eaf4ff}.matrix-card.large:after{content:"▶";position:absolute;right:25px;bottom:20px;width:66px;height:66px;display:grid;place-items:center;border-radius:20px;background:#d5e9ff;color:var(--blue);font-size:25px}
    .matrix-card .num{font-size:12px;color:var(--blue);font-weight:850}.matrix-card p{font-size:13px;color:var(--muted);line-height:1.65;margin:6px 0}.matrix-card .arrow{margin-top:auto;color:var(--blue);font-size:14px;font-weight:800}
    .compare-wrap{padding:28px;background:#eaf3fb;border:1px solid #d9e7f4;border-radius:24px}.compare-card{height:100%;padding:25px;background:#fff;border:1px solid #d8e4f0;border-radius:16px}.compare-card.focus{border-color:#aacceb;box-shadow:0 12px 25px rgba(38,99,160,.1)}.compare-label{display:inline-block;border-radius:20px;padding:5px 10px;background:#eff3f7;color:#5d6c80;font-size:12px;font-weight:800}.focus .compare-label{background:#e1f0ff;color:var(--blue)}
    .compare-card h3{margin:15px 0 14px}.compare-list{list-style:none;padding:0;margin:0}.compare-list li{padding:10px 0;border-top:1px solid #e9eff5;font-size:14px;color:#596a80}.compare-list li:before{content:"✓";font-weight:900;color:var(--cyan);margin-right:9px}.compare-card:not(.focus) li:before{color:#9ba9b9}
    .news-section{padding-top:28px}.news-board{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}.news-list{padding:4px 25px}.news-item{display:flex;align-items:center;gap:17px;padding:19px 0;border-bottom:1px solid #e8eef5;transition:.2s}.news-item:last-child{border-bottom:0}.news-item:hover{padding-left:6px}.news-date{font-size:12px;color:var(--muted);min-width:42px}.news-item b{font-size:15px;color:#264566}.news-item span{margin-left:auto;font-size:13px;color:var(--blue);font-weight:800;white-space:nowrap}
    .news-aside{height:100%;padding:28px;background:#edf6ff}.news-aside h3{color:#214b7d;margin-bottom:10px}.news-aside p{font-size:14px;color:#5a6f86}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{display:inline-flex;padding:5px 10px;border-radius:20px;background:#fff;border:1px solid #cde0f1;color:#47709b;font-size:12px;font-weight:700}
    .faq-shell{background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px 28px;box-shadow:0 8px 23px rgba(27,68,117,.045)}.accordion{background:transparent;margin:0}.accordion-item,.accordion-title,.accordion-content{border-color:#e4ecf4}.accordion-title{font-size:16px;color:#274968;font-weight:800;padding:19px 35px 19px 0;transition:.18s}.accordion-title:hover,.accordion-title:focus{background:#f5f9fd;color:var(--blue)}.accordion-title:before{color:var(--blue);font-size:20px;right:10px}.accordion-content{padding:0 15px 19px 0;color:#65758a;font-size:14px;line-height:1.8}
    .cta-box{background:#174f8c;border-radius:24px;padding:38px 42px;color:#fff;position:relative;overflow:hidden}.cta-box:after{content:"";position:absolute;width:250px;height:250px;border:38px solid rgba(255,255,255,.08);right:-80px;bottom:-135px;border-radius:50%}.cta-box h2{color:#fff;margin-top:0}.cta-box p{color:#d5e7f8;max-width:580px;margin:10px 0 0}.contact-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.contact-tags span{font-size:12px;padding:5px 10px;border:1px solid rgba(255,255,255,.22);border-radius:20px;color:#e2effa}
    .form-card{background:#fff;border-radius:18px;padding:24px;box-shadow:0 14px 28px rgba(5,39,76,.18);position:relative;z-index:1}.form-card label{font-size:13px;color:#405974;font-weight:800;margin-bottom:6px}.form-card input,.form-card select,.form-card textarea{border:1px solid #cfddeb;border-radius:9px;box-shadow:none;color:#274562;margin:0 0 14px;padding:10px 11px;height:auto;background:#fbfdff}.form-card textarea{min-height:84px;resize:vertical}.form-card input:focus,.form-card select:focus,.form-card textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,209,.13);background:#fff}.form-card input::placeholder,.form-card textarea::placeholder{color:#9aaabd}.form-card .btn{width:100%}
    footer{padding:38px 0 30px;background:#eef4fa;border-top:1px solid #dae5ef}.footer-inner{max-width:var(--max);padding:0 34px;margin:auto;display:flex;gap:28px;justify-content:space-between;align-items:flex-end}.footer-brand{font-size:18px;font-weight:850;color:#21476f}.footer-brand small{display:block;font-size:13px;font-weight:500;color:var(--muted);margin-top:5px}.footer-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:16px}.footer-links a{font-size:13px;color:#5d728a;font-weight:700}.footer-links a:hover{color:var(--blue)}.copyright{font-size:12px;color:#8594a6;margin-top:12px}
    @media(max-width:1100px){:root{--sidebar:220px}.main-wrap{padding:0 25px}.watch-panel{display:none}.hero-stage{padding:42px}.matrix{grid-template-columns:1.15fr 1fr;grid-template-rows:repeat(2,190px)}.matrix-card.large{grid-row:span 2}.footer-inner{padding:0 25px}}
    @media(max-width:760px){body{padding-top:65px}.app-sidebar{display:none}.mobile-bar{display:flex;position:fixed;z-index:30;top:0;left:0;right:0;height:65px;background:#fbfdff;border-bottom:1px solid var(--line);align-items:center;justify-content:space-between;padding:0 18px}.mobile-bar .brand{padding:0;font-size:17px}.mobile-bar .brand-mark{width:30px;height:30px;font-size:12px}.menu-toggle{border:1px solid #c7daed;background:#fff;color:var(--blue);border-radius:8px;width:38px;height:36px;font-size:18px}.page{margin-left:0}.main-wrap{padding:0 17px}.section{padding:58px 0}.hero{padding:22px 0 42px}.hero-stage{padding:31px 24px;border-radius:19px}.hero-copy p{font-size:15px}.section-head{display:block;margin-bottom:23px}.section-intro{margin-top:13px}.metric-grid .cell{margin-bottom:12px}.matrix{display:flex;flex-direction:column}.matrix-card{min-height:170px}.matrix-card.large{min-height:218px}.news-item{gap:10px}.news-item b{font-size:14px}.news-item span{display:none}.news-board .grid-x>.cell{width:100%}.news-aside{padding:24px}.compare-wrap{padding:14px}.compare-wrap .cell{margin-bottom:14px}.faq-shell{padding:5px 18px}.cta-box{padding:28px 23px}.cta-box .grid-x>.cell{width:100%}.form-card{margin-top:25px;padding:19px}.footer-inner{padding:0 17px;display:block}.footer-links{justify-content:flex-start;margin-top:20px}.footer-inner{align-items:flex-start}}
    @media(max-width:430px){h1{font-size:34px}.hero-actions .btn{width:100%}.quick-row{display:none}.metric-value{font-size:27px}.news-list{padding:4px 17px}.news-date{display:none}.accordion-title{font-size:15px}.footer-links{gap:11px}}

/* roulang page: category2 */
:root{
      --blue:#1769d1;
      --blue-dark:#0d4fa8;
      --blue-soft:#eaf3ff;
      --cyan:#2e9fc7;
      --ink:#17253a;
      --muted:#65758b;
      --line:#dce6f1;
      --canvas:#f6f9fd;
      --surface:#fff;
      --surface-alt:#f0f6fc;
      --shadow:0 14px 38px rgba(27,68,117,.09);
      --shadow-hover:0 18px 42px rgba(27,68,117,.16);
      --radius:18px;
      --radius-sm:11px;
      --sidebar:220px;
      --max:1260px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--canvas);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(23,105,209,.22);outline-offset:2px}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    h1,h2,h3,h4,p{margin-top:0}
    h1{font-size:clamp(32px,4vw,52px);line-height:1.18;letter-spacing:-.045em;margin-bottom:18px}
    h2{font-size:clamp(25px,3vw,36px);line-height:1.25;letter-spacing:-.035em;margin-bottom:10px}
    h3{font-size:19px;line-height:1.35;color:#244566}
    .app-shell{min-height:100vh}
    .side-panel{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar);padding:30px 18px;background:#fff;border-right:1px solid var(--line);z-index:20}
    .brand{display:flex;align-items:center;gap:10px;padding:4px 10px 28px;font-size:20px;font-weight:800;letter-spacing:-.04em;color:#133863}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--blue);display:grid;place-items:center;color:#fff;font-size:14px;box-shadow:0 7px 16px rgba(23,105,209,.24)}
    .brand-text small{display:block;font-size:11px;color:var(--muted);font-weight:600;letter-spacing:.08em;line-height:1.1;margin-top:2px}
    .side-menu{margin:6px 0;padding:0;list-style:none}
    .side-menu li{margin:5px 0}
    .side-menu a{display:flex;align-items:center;gap:11px;padding:12px 13px;border-radius:11px;color:#516178;font-weight:700;transition:.2s ease}
    .side-menu a:hover{background:var(--blue-soft);color:var(--blue);transform:translateX(2px)}
    .side-menu a.active{background:var(--blue-soft);color:var(--blue);box-shadow:inset 3px 0 0 var(--blue)}
    .nav-icon{width:20px;height:20px;display:inline-grid;place-items:center;color:currentColor;font-size:18px}
    .side-note{position:absolute;left:28px;right:24px;bottom:35px;padding:15px 14px;background:var(--surface-alt);border:1px solid var(--line);border-radius:13px;color:var(--muted);font-size:12px;line-height:1.6}
    .side-note strong{display:block;color:#355879;font-size:13px;margin-bottom:3px}
    .mobile-bar{display:none}
    .main-content{margin-left:var(--sidebar);min-width:0}
    .main-wrap{max-width:var(--max);margin:0 auto;padding:0 42px}
    .section{padding:76px 0}
    .breadcrumb{padding-top:36px;color:#7890a8;font-size:13px}
    .breadcrumb a{color:var(--blue);font-weight:700}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.04em}
    .eyebrow:before{content:"";height:7px;width:7px;border-radius:50%;background:var(--cyan)}
    .page-hero{padding:22px 0 52px}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:42px;align-items:center}
    .hero-copy p{max-width:660px;color:var(--muted);font-size:16px;margin-bottom:25px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .btn{border:0;border-radius:10px;padding:12px 19px;font-weight:800;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.22s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 18px rgba(23,105,209,.2)}
    .btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 13px 23px rgba(23,105,209,.28)}
    .btn-secondary{background:#fff;color:var(--blue);border:1px solid #bfd7f4}
    .btn-secondary:hover{background:var(--blue-soft);transform:translateY(-2px)}
    .preview-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:16px;box-shadow:var(--shadow);transform:rotate(1deg)}
    .preview-screen{height:220px;border-radius:15px;position:relative;overflow:hidden;background:linear-gradient(135deg,#113e72,#2588bc 55%,#a9d7e5)}
    .preview-screen:before{content:"";position:absolute;width:210px;height:210px;border:34px solid rgba(255,255,255,.13);border-radius:50%;right:-55px;top:-70px}
    .preview-screen:after{content:"";position:absolute;left:30px;bottom:28px;width:140px;height:5px;border-radius:5px;background:rgba(255,255,255,.42);box-shadow:0 -14px 0 rgba(255,255,255,.22),0 -28px 0 rgba(255,255,255,.15)}
    .play-button{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);height:56px;width:56px;border-radius:50%;border:0;background:#fff;color:var(--blue);font-size:22px;box-shadow:0 8px 24px rgba(4,39,76,.22);z-index:2}
    .play-button:hover{transform:translate(-50%,-50%) scale(1.06)}
    .screen-label{position:absolute;left:17px;top:16px;background:rgba(255,255,255,.92);color:#24537f;padding:5px 9px;border-radius:8px;font-size:11px;font-weight:800}
    .preview-meta{display:flex;justify-content:space-between;align-items:center;padding:12px 3px 1px;font-size:12px;color:var(--muted)}
    .status-dot{display:inline-flex;align-items:center;gap:6px;color:#2f7590;font-weight:700}
    .status-dot:before{content:"";width:7px;height:7px;border-radius:50%;background:#39a8a0}
    .coupon-strip{display:flex;gap:10px;align-items:center;margin-top:19px;padding:11px 13px;background:#f3f8fe;border:1px dashed #a9cbe9;border-radius:12px;color:#456782;font-size:13px}
    .coupon-strip b{color:var(--blue)}
    .section-head{margin-bottom:26px;display:flex;justify-content:space-between;gap:24px;align-items:end}
    .section-intro{max-width:570px;color:var(--muted);margin:0;font-size:15px}
    .filter-layout{display:grid;grid-template-columns:238px minmax(0,1fr);gap:26px;align-items:start}
    .filter-panel,.content-area,.info-card,.cta-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 23px rgba(27,68,117,.045)}
    .filter-panel{padding:22px;position:sticky;top:28px}
    .filter-panel h3{margin:0 0 18px;font-size:17px}
    .filter-group{padding:17px 0;border-top:1px solid #e8eff6}
    .filter-group:first-of-type{border-top:0;padding-top:0}
    .filter-group label{display:block;color:#55708b;font-size:13px;font-weight:700;margin:8px 0}
    .filter-option{display:flex!important;align-items:center;gap:8px;font-weight:600!important;color:#65758b!important;cursor:pointer}
    .filter-option input{accent-color:var(--blue)}
    select,.search-input,input,textarea{width:100%;border:1px solid #cfdeec;border-radius:10px;background:#fbfdff;color:var(--ink);padding:10px 12px;min-height:43px}
    select:focus,.search-input:focus,input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,209,.1)}
    .content-area{padding:20px}
    .toolbar{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:18px;border-bottom:1px solid #e7eef5}
    .search-box{display:flex;gap:8px;flex:1;max-width:420px}
    .search-box .btn{padding-left:15px;padding-right:15px}
    .result-note{font-size:13px;color:var(--muted);white-space:nowrap}
    .video-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
    .video-card{display:grid;grid-template-columns:145px minmax(0,1fr);gap:16px;padding:14px;border:1px solid #e1eaf3;border-radius:15px;background:#fff;transition:.22s ease}
    .video-card:hover{border-color:#b9d5ef;box-shadow:var(--shadow-hover);transform:translateY(-3px)}
    .video-thumb{height:100px;border-radius:11px;position:relative;overflow:hidden;background:linear-gradient(135deg,#d7eaff,#6fa9dc 53%,#2d659f)}
    .video-card:nth-child(2) .video-thumb{background:linear-gradient(135deg,#dceaf8,#84c1cb 55%,#39779f)}
    .video-card:nth-child(3) .video-thumb{background:linear-gradient(135deg,#dbe6fa,#9aafd9 52%,#536b9f)}
    .video-card:nth-child(4) .video-thumb{background:linear-gradient(135deg,#d7f0f0,#74bfc0 52%,#37788f)}
    .video-card:nth-child(5) .video-thumb{background:linear-gradient(135deg,#e4e8f9,#9aaed8 52%,#485e96)}
    .video-card:nth-child(6) .video-thumb{background:linear-gradient(135deg,#d8e9fb,#78a8d2 52%,#31577f)}
    .video-thumb:after{content:"";position:absolute;left:15px;right:15px;bottom:15px;height:4px;border-radius:3px;background:rgba(255,255,255,.55);box-shadow:0 -12px 0 rgba(255,255,255,.24)}
    .thumb-play{position:absolute;right:12px;bottom:11px;width:29px;height:29px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--blue);font-size:12px;z-index:1}
    .duration{position:absolute;right:8px;top:8px;background:rgba(19,48,79,.72);color:#fff;border-radius:5px;padding:1px 5px;font-size:10px;z-index:1}
    .tag{display:inline-flex;padding:4px 9px;border-radius:20px;background:var(--blue-soft);border:1px solid #cde0f1;color:#47709b;font-size:11px;font-weight:700}
    .video-card h3{font-size:16px;margin:8px 0 5px;color:#244566}
    .video-card p{font-size:12px;line-height:1.55;color:var(--muted);margin:0 0 7px}
    .card-meta{display:flex;justify-content:space-between;gap:8px;color:#8292a4;font-size:11px}
    .card-meta a{color:var(--blue);font-weight:800}
    .pagination-wrap{display:flex;justify-content:center;padding:26px 0 4px}
    .pagination a,.pagination button{border-radius:8px!important;margin:0 3px!important;color:#52708f!important}
    .pagination .current{background:var(--blue);border-radius:8px}
    .info-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .info-card{padding:27px}
    .info-card p{font-size:14px;color:var(--muted);margin-bottom:0}
    .info-points{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin-top:18px}
    .info-point{padding:11px 12px;background:#f5f9fd;border-radius:10px;color:#49647e;font-size:13px;font-weight:700}
    .faq-shell{background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px 28px;box-shadow:0 8px 23px rgba(27,68,117,.045)}
    .accordion-item,.accordion-title,.accordion-content{border-color:#e4ecf4}
    .accordion-title{font-size:15px;color:#274968;font-weight:800;padding:19px 35px 19px 0;transition:.18s}
    .accordion-title:hover,.accordion-title:focus{background:#f5f9fd;color:var(--blue)}
    .accordion-title:before{color:var(--blue);font-size:20px;right:10px}
    .accordion-content{font-size:14px;color:var(--muted);line-height:1.8}
    .cta-box{background:#174f8c;color:#fff;padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;overflow:hidden;position:relative}
    .cta-box:after{content:"";position:absolute;width:250px;height:250px;border:45px solid rgba(255,255,255,.08);border-radius:50%;right:-90px;top:-100px}
    .cta-box h2{color:#fff;margin-bottom:8px;position:relative;z-index:1}
    .cta-box p{color:#d7e8f8;margin:0;position:relative;z-index:1}
    .cta-box .btn{background:#fff;color:var(--blue);position:relative;z-index:1;white-space:nowrap}
    footer{margin-left:var(--sidebar);border-top:1px solid var(--line);background:#edf4fb}
    .footer-inner{max-width:var(--max);margin:0 auto;padding:34px 42px;display:flex;justify-content:space-between;gap:25px;align-items:end}
    .footer-brand{font-weight:850;color:#1d4870;font-size:17px}
    .footer-brand small{display:block;color:var(--muted);font-size:12px;font-weight:500;margin-top:4px}
    .copyright{color:#8796a8;font-size:12px;margin-top:13px}
    .footer-links{display:flex;gap:21px;flex-wrap:wrap;color:#5b718a;font-size:13px;font-weight:700}
    .footer-links a:hover{color:var(--blue)}
    .mobile-only{display:none}
    @media screen and (max-width:1023px){
      :root{--sidebar:190px}
      .side-panel{padding:25px 12px}
      .main-wrap{padding:0 28px}
      .hero-grid{gap:25px}
      .video-list{grid-template-columns:1fr}
      footer{margin-left:var(--sidebar)}
      .footer-inner{padding-left:28px;padding-right:28px}
    }
    @media screen and (max-width:767px){
      :root{--sidebar:0px}
      .side-panel{display:none}
      .mobile-bar{display:flex;position:sticky;top:0;z-index:30;height:65px;padding:0 18px;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 14px rgba(27,68,117,.05)}
      .mobile-brand{display:flex;align-items:center;gap:8px;color:#173e67;font-weight:850}
      .mobile-brand .brand-mark{width:30px;height:30px;font-size:12px}
      .menu-toggle{border:1px solid #c9ddec;background:#f7fbff;border-radius:9px;color:var(--blue);padding:7px 11px;font-size:20px;line-height:1}
      .main-content{margin-left:0}
      footer{margin-left:0}
      .main-wrap{padding:0 19px}
      .breadcrumb{padding-top:25px}
      .page-hero{padding-top:17px;padding-bottom:38px}
      .hero-grid{grid-template-columns:1fr}
      .preview-panel{max-width:520px;transform:none}
      .preview-screen{height:190px}
      .section{padding:53px 0}
      .section-head{display:block;margin-bottom:21px}
      .section-intro{margin-top:9px}
      .filter-layout{grid-template-columns:1fr}
      .filter-panel{position:static}
      .toolbar{display:block}
      .search-box{max-width:none;margin-bottom:12px}
      .result-note{display:block}
      .content-area{padding:14px}
      .video-card{grid-template-columns:118px minmax(0,1fr);gap:12px}
      .video-thumb{height:92px}
      .info-grid{grid-template-columns:1fr}
      .info-points{grid-template-columns:1fr 1fr}
      .faq-shell{padding:8px 16px}
      .cta-box{display:block;padding:28px 25px}
      .cta-box .btn{margin-top:20px}
      .footer-inner{display:block;padding:28px 19px}
      .footer-links{margin-top:21px;gap:15px}
      .mobile-only{display:block}
    }
    @media screen and (max-width:519px){
      h1{font-size:32px}
      .hero-actions .btn{width:100%}
      .video-card{grid-template-columns:1fr}
      .video-thumb{height:145px}
      .info-points{grid-template-columns:1fr}
      .search-box{display:block}
      .search-box .btn{width:100%;margin-top:8px}
    }

/* roulang page: category1 */
:root{
 --blue:#1769d1;
 --blue-dark:#0d4fa8;
 --blue-soft:#eaf3ff;
 --cyan:#2e9fc7;
 --ink:#17253a;
 --muted:#65758b;
 --line:#dce6f1;
 --canvas:#f6f9fd;
 --surface:#fff;
 --surface-alt:#f0f6fc;
 --shadow:0 14px 38px rgba(27,68,117,.09);
 --shadow-hover:0 18px 42px rgba(27,68,117,.16);
 --radius:18px;
 --radius-sm:11px;
 --sidebar:220px;
 --max:1260px;
}
html{scroll-behavior:smooth}
*{box-sizing:border-box}
body{
 margin:0;
 background:var(--canvas);
 color:var(--ink);
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
 font-size:16px;
 line-height:1.7;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
h1,h2,h3,h4,p{margin-top:0}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;letter-spacing:-.025em}
h1{font-size:clamp(30px,4vw,52px);margin-bottom:16px}
h2{font-size:clamp(25px,3vw,36px);margin-bottom:12px}
h3{font-size:20px}
:focus-visible{outline:3px solid rgba(46,159,199,.42);outline-offset:3px}
.app-shell{min-height:100vh}
.side-panel{
 position:fixed;
 z-index:20;
 left:0;
 top:0;
 bottom:0;
 width:var(--sidebar);
 padding:30px 18px 24px;
 background:#fbfdff;
 border-right:1px solid var(--line);
 display:flex;
 flex-direction:column;
}
.brand{
 display:flex;
 align-items:center;
 gap:10px;
 padding:4px 10px 28px;
 font-size:20px;
 font-weight:800;
 letter-spacing:-.04em;
 color:#133863;
}
.brand-mark{
 width:35px;
 height:35px;
 border-radius:11px;
 background:var(--blue);
 display:grid;
 place-items:center;
 color:#fff;
 font-size:14px;
 box-shadow:0 7px 16px rgba(23,105,209,.24);
}
.brand small{
 display:block;
 font-size:11px;
 color:var(--muted);
 font-weight:600;
 letter-spacing:.04em;
 line-height:1.2;
 margin-top:2px;
}
.side-menu{margin:6px 0;padding:0;list-style:none}
.side-menu li{margin:5px 0}
.side-menu a{
 display:flex;
 align-items:center;
 gap:11px;
 padding:12px 13px;
 border-radius:11px;
 color:#516178;
 font-weight:700;
 transition:.2s ease;
}
.side-menu a:hover{background:var(--blue-soft);color:var(--blue);transform:translateX(2px)}
.side-menu a.active{
 background:var(--blue-soft);
 color:var(--blue);
 box-shadow:inset 3px 0 0 var(--blue);
}
.nav-icon{
 width:20px;
 height:20px;
 display:inline-grid;
 place-items:center;
 color:currentColor;
 font-size:18px;
}
.side-note{
 margin-top:auto;
 padding:16px 14px;
 border:1px solid #dce9f5;
 border-radius:14px;
 background:#f4f9fe;
 color:var(--muted);
 font-size:12px;
}
.side-note strong{display:block;color:#31587f;font-size:13px;margin-bottom:4px}
.mobile-bar{
 display:none;
 position:sticky;
 top:0;
 z-index:30;
 height:64px;
 padding:0 18px;
 align-items:center;
 justify-content:space-between;
 background:rgba(251,253,255,.97);
 border-bottom:1px solid var(--line);
}
.mobile-brand{display:flex;align-items:center;gap:9px;font-weight:800;color:#133863}
.mobile-brand .brand-mark{width:30px;height:30px;border-radius:9px}
.menu-toggle{
 border:1px solid #c7dbef;
 color:var(--blue);
 background:#fff;
 border-radius:9px;
 padding:7px 11px;
 font-weight:800;
}
.main-area{margin-left:var(--sidebar);min-height:100vh}
.main-wrap{max-width:var(--max);margin:0 auto;padding:0 38px}
.section{padding:70px 0}
.breadcrumb{
 display:flex;
 align-items:center;
 gap:9px;
 color:#7b8da2;
 font-size:13px;
 margin-bottom:25px;
}
.breadcrumb a{color:var(--blue);font-weight:700}
.breadcrumb span{color:#b2c0cf}
.hero{
 padding:44px 0 52px;
 border-bottom:1px solid #e4edf5;
}
.hero-grid{
 display:grid;
 grid-template-columns:minmax(0,1.1fr) minmax(360px,.9fr);
 gap:44px;
 align-items:center;
}
.eyebrow{
 display:inline-flex;
 align-items:center;
 gap:7px;
 color:var(--blue);
 font-size:13px;
 font-weight:800;
 letter-spacing:.04em;
 margin-bottom:14px;
}
.eyebrow:before{
 content:"";
 width:7px;
 height:7px;
 border-radius:50%;
 background:var(--cyan);
}
.hero-copy p{
 max-width:650px;
 color:var(--muted);
 font-size:16px;
 margin:0 0 25px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{
 border:0;
 border-radius:10px;
 padding:12px 18px;
 font-weight:800;
 font-size:14px;
 display:inline-flex;
 align-items:center;
 justify-content:center;
 gap:8px;
 transition:.22s ease;
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 18px rgba(23,105,209,.2)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 13px 23px rgba(23,105,209,.28)}
.btn-secondary{background:#fff;color:var(--blue);border:1px solid #bfd7f4}
.btn-secondary:hover{background:var(--blue-soft);transform:translateY(-2px)}
.preview-panel{
 position:relative;
 min-height:276px;
 padding:22px;
 border:1px solid #d3e4f4;
 border-radius:22px;
 background:linear-gradient(145deg,#eaf5ff,#fff 72%);
 box-shadow:var(--shadow);
 overflow:hidden;
}
.preview-panel:after{
 content:"";
 position:absolute;
 width:220px;height:220px;
 border:28px solid rgba(46,159,199,.09);
 border-radius:50%;
 right:-75px;top:-82px;
}
.preview-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;position:relative;z-index:1}
.preview-title{font-weight:800;color:#264b73}
.status{font-size:12px;color:#257e9b;background:#e2f5fa;padding:5px 9px;border-radius:20px;font-weight:800}
.preview-screen{
 height:135px;
 border-radius:15px;
 background:#193d66;
 position:relative;
 overflow:hidden;
 display:flex;
 align-items:center;
 justify-content:center;
}
.preview-screen:before,.preview-screen:after{
 content:"";
 position:absolute;
 border-radius:50%;
 background:rgba(95,190,224,.2);
}
.preview-screen:before{width:190px;height:190px;left:-55px;top:-70px}
.preview-screen:after{width:130px;height:130px;right:-30px;bottom:-48px;background:rgba(52,126,209,.35)}
.play-btn{
 position:relative;
 z-index:2;
 width:52px;height:52px;
 border:0;
 border-radius:50%;
 background:#fff;
 color:var(--blue);
 font-size:20px;
 box-shadow:0 8px 20px rgba(0,0,0,.18);
}
.preview-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;position:relative;z-index:1}
.tag{
 display:inline-flex;
 padding:5px 10px;
 border-radius:20px;
 background:#fff;
 border:1px solid #cde0f1;
 color:#47709b;
 font-size:12px;
 font-weight:700;
}
.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:27px}
.section-intro{max-width:570px;color:var(--muted);margin:0;font-size:15px}
.metrics{padding-top:45px}
.metric-grid{margin-left:-10px;margin-right:-10px}
.metric-card{
 height:100%;
 background:var(--surface);
 border:1px solid var(--line);
 padding:22px;
 border-radius:var(--radius);
 box-shadow:0 8px 22px rgba(27,68,117,.045);
 transition:.22s ease;
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#c7dcf2}
.metric-label{font-size:13px;color:var(--muted);font-weight:700}
.metric-value{font-size:31px;font-weight:850;color:var(--blue);line-height:1.1;margin:8px 0 7px}
.metric-card p{font-size:12px;color:#8292a4;margin:0}
.mini-line{height:5px;background:#e6eff7;border-radius:8px;margin-top:15px;overflow:hidden}
.mini-line i{display:block;height:100%;width:68%;background:var(--cyan);border-radius:8px}
.content-layout{display:grid;grid-template-columns:1fr 290px;gap:25px}
.feature-card{
 display:grid;
 grid-template-columns:1.1fr .9fr;
 min-height:235px;
 overflow:hidden;
 border:1px solid var(--line);
 border-radius:20px;
 background:#fff;
 box-shadow:var(--shadow);
 transition:.22s ease;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.visual{
 min-height:210px;
 background:#dceeff;
 position:relative;
 overflow:hidden;
}
.visual:before{
 content:"";
 position:absolute;
 width:210px;height:210px;
 border-radius:50%;
 background:#a9d6ed;
 left:-42px;bottom:-86px;
}
.visual:after{
 content:"";
 position:absolute;
 width:150px;height:150px;
 border-radius:24px;
 background:#6eaee1;
 right:32px;top:34px;
 transform:rotate(12deg);
 opacity:.75;
}
.visual .visual-play{
 position:absolute;
 z-index:2;
 left:50%;top:50%;
 transform:translate(-50%,-50%);
 width:48px;height:48px;
 border-radius:50%;
 background:#fff;
 color:var(--blue);
 display:grid;place-items:center;
 box-shadow:0 8px 18px rgba(23,73,120,.18);
}
.feature-info{padding:27px}
.feature-info h3{margin:11px 0 10px}
.feature-info p{color:var(--muted);font-size:14px;margin-bottom:18px}
.feature-info .meta{font-size:12px;color:#8292a4}
.filter-bar{
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:15px;
 margin:28px 0 20px;
 padding:13px 15px;
 background:#fff;
 border:1px solid var(--line);
 border-radius:14px;
}
.filter-tags{display:flex;gap:8px;flex-wrap:wrap}
.filter-tag{
 border:1px solid #d2e2f0;
 border-radius:20px;
 background:#fff;
 color:#5c7188;
 padding:6px 12px;
 font-size:12px;
 font-weight:700;
 transition:.18s;
}
.filter-tag:hover,.filter-tag.active{background:var(--blue-soft);border-color:#afd0ef;color:var(--blue)}
.sort-select{
 border:1px solid #d2e2f0;
 border-radius:9px;
 background:#fff;
 color:#536b83;
 padding:7px 10px;
 font-size:12px;
}
.video-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.video-card{
 display:grid;
 grid-template-columns:145px 1fr;
 gap:16px;
 padding:14px;
 border:1px solid var(--line);
 border-radius:16px;
 background:#fff;
 box-shadow:0 7px 20px rgba(27,68,117,.045);
 transition:.22s ease;
}
.video-card:hover{transform:translateY(-3px);border-color:#b9d5ef;box-shadow:var(--shadow-hover)}
.thumb{
 height:100px;
 border-radius:11px;
 background:#d9ebfa;
 position:relative;
 overflow:hidden;
 display:grid;
 place-items:center;
 color:var(--blue);
 font-size:23px;
}
.thumb:before{content:"";position:absolute;width:95px;height:95px;border-radius:50%;background:#a8d4ea;left:-35px;bottom:-42px}
.thumb:after{content:"";position:absolute;width:72px;height:72px;border-radius:18px;background:#78b5df;right:-14px;top:10px;transform:rotate(25deg)}
.thumb span{position:relative;z-index:1;background:#fff;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:15px}
.card-content h3{font-size:16px;margin:3px 0 6px}
.card-content p{font-size:12px;color:var(--muted);line-height:1.55;margin:0 0 8px}
.card-meta{display:flex;justify-content:space-between;gap:8px;color:#8594a5;font-size:11px}
.side-filter{
 padding:22px;
 border:1px solid var(--line);
 border-radius:17px;
 background:#fff;
 box-shadow:0 8px 22px rgba(27,68,117,.045);
}
.side-filter h3{font-size:17px;margin-bottom:16px}
.filter-group{padding:15px 0;border-top:1px solid #e8eff5}
.filter-group:first-of-type{border-top:0;padding-top:0}
.filter-group strong{display:block;font-size:13px;color:#385774;margin-bottom:9px}
.filter-group label{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;margin:8px 0}
.filter-group input{accent-color:var(--blue)}
.notice{
 margin-top:18px;
 padding:16px;
 border-radius:13px;
 background:#f2f8fd;
 color:#60758b;
 font-size:12px;
}
.notice strong{display:block;color:#315b82;margin-bottom:3px}
.cta-box{
 background:#174f8c;
 border-radius:24px;
 padding:38px 42px;
 color:#fff;
 position:relative;
 overflow:hidden;
 display:flex;
 justify-content:space-between;
 align-items:center;
 gap:28px;
}
.cta-box:after{
 content:"";
 position:absolute;
 width:260px;height:260px;
 border:35px solid rgba(255,255,255,.08);
 border-radius:50%;
 right:-90px;top:-110px;
}
.cta-box h2{color:#fff;margin-bottom:10px}
.cta-box p{color:#d3e5f7;font-size:14px;margin:0;max-width:620px}
.cta-box .btn-secondary{position:relative;z-index:1;white-space:nowrap}
.faq-shell{
 background:#fff;
 border:1px solid var(--line);
 border-radius:20px;
 padding:10px 28px;
 box-shadow:0 8px 23px rgba(27,68,117,.045);
}
.accordion-item,.accordion-title,.accordion-content{border-color:#e4ecf4}
.accordion-title{
 font-size:16px;
 color:#274968;
 font-weight:800;
 padding:19px 35px 19px 0;
 transition:.18s;
}
.accordion-title:hover,.accordion-title:focus{background:#f5f9fd;color:var(--blue)}
.accordion-title:before{color:var(--blue);font-size:20px;right:10px}
.accordion-content{color:var(--muted);font-size:14px;line-height:1.8}
.footer{
 margin-top:20px;
 background:#edf4fb;
 border-top:1px solid #dce8f3;
}
.footer-inner{
 max-width:var(--max);
 margin:0 auto;
 padding:32px 38px;
 display:flex;
 justify-content:space-between;
 align-items:center;
 gap:20px;
}
.footer-brand{font-size:18px;font-weight:850;color:#173d66}
.footer-brand small{display:block;font-size:12px;color:#71849a;font-weight:500;margin-top:3px}
.copyright{font-size:12px;color:#8191a2;margin-top:8px}
.footer-links{display:flex;gap:22px;flex-wrap:wrap}
.footer-links a{font-size:13px;color:#56718c;font-weight:700;transition:.18s}
.footer-links a:hover{color:var(--blue)}
.search-box{
 display:flex;
 gap:8px;
 padding:6px;
 background:#fff;
 border:1px solid #cfe0ee;
 border-radius:12px;
 max-width:390px;
 box-shadow:0 7px 18px rgba(27,68,117,.05);
}
.search-box input{
 min-width:0;
 flex:1;
 border:0;
 box-shadow:none;
 margin:0;
 padding:8px 10px;
 color:var(--ink);
}
.search-box input:focus{box-shadow:none}
.search-box .btn{padding:9px 14px}
.pagination-row{display:flex;justify-content:center;margin-top:30px}
.pagination a,.pagination button{border-radius:8px!important;color:var(--blue)!important}
@media screen and (max-width:1023px){
 :root{--sidebar:190px}
 .side-panel{padding-left:12px;padding-right:12px}
 .brand{font-size:17px;padding-left:7px}
 .main-wrap{padding-left:28px;padding-right:28px}
 .hero-grid{gap:26px}
 .content-layout{grid-template-columns:1fr}
 .side-filter{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
 .side-filter h3{grid-column:1/-1;margin:0}
 .filter-group{border-top:0;padding:0}
 .notice{grid-column:1/-1;margin-top:0}
}
@media screen and (max-width:767px){
 .side-panel{display:none}
 .mobile-bar{display:flex}
 .main-area{margin-left:0}
 .main-wrap{padding:0 18px}
 .section{padding:52px 0}
 .hero{padding:28px 0 40px}
 .hero-grid{grid-template-columns:1fr}
 .hero-copy p{font-size:15px}
 .preview-panel{min-height:245px}
 .section-head{display:block;margin-bottom:21px}
 .section-head .section-intro{margin-top:10px}
 .grid-x>.cell{padding-left:8px;padding-right:8px}
 .metric-grid{margin-left:-8px;margin-right:-8px}
 .feature-card{grid-template-columns:1fr}
 .visual{min-height:175px}
 .video-list{grid-template-columns:1fr}
 .filter-bar{align-items:flex-start;flex-direction:column}
 .sort-select{width:100%}
 .side-filter{display:block}
 .filter-group{border-top:1px solid #e8eff5;padding:15px 0}
 .filter-group:first-of-type{border-top:0}
 .cta-box{display:block;padding:30px 25px}
 .cta-box .btn{margin-top:22px}
 .footer-inner{padding:28px 18px;display:block}
 .footer-links{margin-top:22px;gap:14px}
}
@media screen and (max-width:520px){
 h1{font-size:31px}
 h2{font-size:26px}
 .hero-actions .btn{width:100%}
 .search-box{max-width:none}
 .video-card{grid-template-columns:112px 1fr;gap:12px}
 .thumb{height:88px}
 .card-content h3{font-size:14px}
 .card-content p{font-size:11px}
 .side-filter{padding:18px}
 .faq-shell{padding:8px 16px}
 .accordion-title{font-size:14px;padding-right:28px}
}