/* roulang page: index */
:root{
      --blue:#1f5fae;
      --blue-dark:#174b8d;
      --blue-soft:#eaf3ff;
      --blue-pale:#f4f8fd;
      --ink:#172033;
      --text:#455168;
      --muted:#778399;
      --line:#e2e9f2;
      --paper:#ffffff;
      --bg:#f7f9fc;
      --teal:#25877b;
      --amber:#aa7220;
      --shadow:0 12px 34px rgba(24,55,95,.08);
      --shadow-hover:0 18px 42px rgba(24,55,95,.13);
      --radius-lg:20px;
      --radius:15px;
      --radius-sm:11px;
      --container:1200px;
      --ease:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:var(--bg);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.78;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    :focus-visible{outline:3px solid rgba(31,95,174,.3);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,255,255,.96);
      border-bottom:1px solid rgba(226,233,242,.92);
      box-shadow:0 3px 14px rgba(24,55,95,.035);
      backdrop-filter:blur(10px);
    }
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;letter-spacing:-.04em;white-space:nowrap;font-size:18px}
    .brand-mark{
      width:30px;height:30px;border-radius:9px;background:var(--blue);position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)
    }
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:2px}
    .brand-mark:before{width:12px;height:2px;left:9px;top:10px}
    .brand-mark:after{width:2px;height:12px;left:14px;top:5px}
    .desktop-nav{display:flex;align-items:center;gap:8px;margin-left:auto}
    .desktop-nav a{
      position:relative;padding:10px 13px;color:var(--text);font-size:15px;font-weight:650;transition:color var(--ease),background var(--ease)
    }
    .desktop-nav a:hover,.desktop-nav a.active{color:var(--blue)}
    .desktop-nav a.active:after{content:"";position:absolute;width:22px;height:2px;left:50%;bottom:3px;transform:translateX(-50%);border-radius:2px;background:var(--blue)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:10px 17px;border-radius:11px;border:1px solid transparent;font-weight:700;
      font-size:14px;line-height:1;transition:transform var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease)
    }
    .btn:hover{transform:translateY(-1px)}
    .btn:active{transform:translateY(0);box-shadow:none}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(31,95,174,.18)}
    .btn-primary:hover{background:var(--blue-dark);box-shadow:0 10px 22px rgba(31,95,174,.25)}
    .btn-secondary{background:#fff;color:var(--blue);border-color:#b8cce7}
    .btn-secondary:hover{background:var(--blue-pale);border-color:var(--blue)}
    .menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--blue)}
    .menu-toggle span{display:block;width:19px;height:2px;margin:4px auto;background:currentColor;border-radius:3px}
    .mobile-menu{display:none}
    .hero{position:relative;padding:72px 0 62px;background:linear-gradient(180deg,#fff 0%,#f8fbff 100%);overflow:hidden}
    .hero:before{
      content:"";position:absolute;width:600px;height:600px;right:-250px;top:-340px;
      border:1px solid rgba(31,95,174,.12);border-radius:50%;
      box-shadow:0 0 0 54px rgba(31,95,174,.035),0 0 0 110px rgba(31,95,174,.022)
    }
    .hero:after{
      content:"";position:absolute;left:0;bottom:0;width:38%;height:160px;
      background-image:linear-gradient(rgba(31,95,174,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(31,95,174,.06) 1px,transparent 1px);
      background-size:18px 18px;mask-image:linear-gradient(90deg,#000,transparent)
    }
    .hero-shell{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;gap:50px;align-items:center}
    .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:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(37,135,123,.1)}
    h1,h2,h3,p{margin-top:0}
    h1{margin:14px 0 18px;color:var(--ink);font-size:clamp(36px,4vw,48px);line-height:1.2;letter-spacing:-.055em}
    .hero-copy{max-width:650px;margin-bottom:25px;font-size:17px;line-height:1.85;color:var(--text)}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-note{margin:18px 0 0;color:var(--muted);font-size:13px}
    .hero-note strong{color:var(--teal);font-weight:800}
    .preview-panel{padding:17px;background:#193d70;border-radius:var(--radius-lg);box-shadow:0 24px 60px rgba(18,49,91,.2);color:#dceaff}
    .panel-top{display:flex;align-items:center;justify-content:space-between;padding:1px 4px 14px;font-size:13px}
    .panel-top strong{color:#fff;font-size:15px}
    .live-dot{display:inline-flex;align-items:center;gap:6px;color:#b8d9ff;font-size:12px}
    .live-dot i{display:block;width:7px;height:7px;border-radius:50%;background:#6ad2b4}
    .featured-tile{position:relative;min-height:170px;border-radius:14px;overflow:hidden;padding:21px;background:linear-gradient(135deg,#2b6fb8,#5c91ca 70%,#89b0d8)}
    .featured-tile:after{content:"";position:absolute;right:-24px;bottom:-36px;width:160px;height:160px;border-radius:50%;border:24px solid rgba(255,255,255,.14)}
    .featured-tile .badge{position:relative;z-index:1;background:rgba(255,255,255,.2);color:#fff;border-color:rgba(255,255,255,.24)}
    .featured-tile h2{position:relative;z-index:1;margin:13px 0 6px;color:#fff;font-size:23px;line-height:1.35}
    .featured-tile p{position:relative;z-index:1;margin:0;color:#e7f2ff;font-size:13px}
    .mini-list{margin-top:12px;display:grid;gap:8px}
    .mini-item{display:flex;align-items:center;gap:11px;padding:11px 10px;border-radius:11px;background:rgba(255,255,255,.075)}
    .mini-index{display:grid;place-items:center;flex:0 0 27px;width:27px;height:27px;border-radius:8px;background:rgba(255,255,255,.13);color:#fff;font-size:12px;font-weight:800}
    .mini-item b{display:block;color:#fff;font-size:13px;line-height:1.3}
    .mini-item span{display:block;color:#bcd7f4;font-size:11px}
    section{padding:86px 0}
    .section-head{max-width:720px;margin-bottom:31px}
    .section-kicker{margin-bottom:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.07em}
    h2{margin-bottom:11px;color:var(--ink);font-size:31px;line-height:1.3;letter-spacing:-.04em}
    .section-head p{margin:0;color:var(--text);font-size:16px}
    .value-section{padding-top:55px;background:#fff}
    .value-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px}
    .value-item{position:relative;padding:27px 24px 23px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:transform var(--ease),box-shadow var(--ease)}
    .value-item:first-child{background:var(--blue-pale);border-color:#cfe0f5}
    .value-item:nth-child(2){margin-top:18px}
    .value-item:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .value-num{color:#99a9be;font-size:13px;font-weight:800;letter-spacing:.08em}
    .value-icon{width:38px;height:38px;margin:14px 0 13px;border-radius:10px;display:grid;place-items:center;color:var(--blue);background:#e4effc}
    .value-icon svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8}
    .value-item h3{margin-bottom:7px;color:var(--ink);font-size:19px;line-height:1.4}
    .value-item p{margin:0;font-size:14px;line-height:1.75;color:var(--text)}
    .calendar-section{background:var(--bg)}
    .calendar-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:26px;align-items:stretch}
    .calendar-card,.calendar-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .calendar-card{padding:28px}
    .calendar-card h3{margin-bottom:9px;color:var(--ink);font-size:22px}
    .calendar-card>p{margin-bottom:24px;font-size:14px;color:var(--text)}
    .date-row{display:grid;grid-template-columns:68px 1fr;gap:16px;padding:17px 0;border-top:1px solid var(--line)}
    .date-box{text-align:center;padding-top:2px}
    .date-box b{display:block;color:var(--blue);font-size:25px;line-height:1.05}
    .date-box span{color:var(--muted);font-size:12px}
    .date-content b{display:block;color:var(--ink);font-size:15px}
    .date-content p{margin:4px 0 0;font-size:13px;color:var(--muted);line-height:1.65}
    .calendar-side{padding:26px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(150deg,#fff,#eff6ff)}
    .calendar-side h3{font-size:21px;color:var(--ink);margin-bottom:8px}
    .calendar-side p{font-size:14px;margin-bottom:20px}
    .progress-wrap{margin:14px 0 25px}
    .progress-label{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:8px}
    .progress-label strong{color:var(--blue)}
    .progress{height:8px;border-radius:10px;background:#dce8f5;overflow:hidden}
    .progress i{display:block;height:100%;width:72%;background:var(--blue);border-radius:inherit}
    .topic-section{background:#fff}
    .topic-layout{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:start}
    .topic-intro{position:sticky;top:102px}
    .topic-intro h2{font-size:29px}
    .topic-intro p{font-size:14px;margin-bottom:20px}
    .topic-tabs{display:flex;flex-wrap:wrap;gap:8px}
    .topic-tab{padding:8px 11px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:13px;font-weight:700;transition:all var(--ease)}
    .topic-tab:hover,.topic-tab.active{color:var(--blue);border-color:#bfd4ed;background:var(--blue-pale)}
    .topic-showcase{min-height:333px;padding:24px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--blue-pale);box-shadow:var(--shadow)}
    .topic-pane{display:none;animation:fadeUp .2s ease}
    .topic-pane.active{display:block}
    @keyframes fadeUp{from{opacity:.25;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
    .topic-main{display:grid;grid-template-columns:1fr 1.12fr;gap:20px}
    .topic-cover{min-height:250px;padding:21px;border-radius:14px;background:linear-gradient(145deg,#215b9e,#7aa4cf);color:#fff;display:flex;flex-direction:column;justify-content:end}
    .topic-cover.alt{background:linear-gradient(145deg,#37717e,#8fb7bf)}
    .topic-cover.warm{background:linear-gradient(145deg,#8a6d4b,#c5a66e)}
    .badge{display:inline-flex;align-items:center;width:max-content;padding:4px 9px;border:1px solid #c9d9eb;border-radius:7px;background:#eef5fc;color:#28619e;font-size:12px;font-weight:750;line-height:1.3}
    .topic-cover .badge{background:rgba(255,255,255,.17);border-color:rgba(255,255,255,.25);color:#fff}
    .topic-cover h3{margin:12px 0 5px;color:#fff;font-size:23px;line-height:1.35}
    .topic-cover p{margin:0;color:#e9f4ff;font-size:13px;line-height:1.7}
    .topic-detail{padding:5px 2px}
    .topic-detail h3{color:var(--ink);font-size:22px;margin-bottom:10px}
    .topic-detail p{font-size:14px;margin-bottom:17px}
    .detail-list{margin:0;padding:0;list-style:none}
    .detail-list li{display:flex;gap:10px;padding:10px 0;border-top:1px solid #d8e5f1;color:var(--text);font-size:14px}
    .detail-list li:before{content:"";width:7px;height:7px;flex:0 0 7px;margin-top:9px;border-radius:50%;background:var(--blue)}
    .dashboard{background:#eaf2fb}
    .stats-bar{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #d4e1ef;border-radius:var(--radius-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
    .stat{padding:28px 30px;border-right:1px solid var(--line)}
    .stat:last-child{border-right:0}
    .stat b{display:block;color:var(--blue);font-size:34px;line-height:1.15;letter-spacing:-.04em}
    .stat span{display:block;margin-top:8px;color:var(--text);font-size:14px}
    .feedback-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:17px;margin-top:26px}
    .feedback{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 24px rgba(24,55,95,.055)}
    .feedback:nth-child(2){margin-top:17px}
    .feedback:nth-child(3){margin-top:7px}
    .feedback p{margin-bottom:16px;color:var(--text);font-size:14px}
    .feedback-meta{display:flex;justify-content:space-between;gap:10px;padding-top:13px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
    .feedback-meta strong{color:var(--ink)}
    .news-section{background:#fff}
    .news-grid{display:grid;grid-template-columns:1.36fr .64fr;gap:27px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:74px 1fr auto;gap:16px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);transition:padding var(--ease),background var(--ease)}
    .news-item:hover{padding-left:10px;background:#fafcff}
    .news-date{color:var(--muted);font-size:12px;line-height:1.4}
    .news-date b{display:block;color:var(--blue);font-size:20px}
    .news-item h3{margin:0 0 4px;color:var(--ink);font-size:17px;line-height:1.4}
    .news-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}
    .arrow{color:var(--blue);font-size:21px;font-weight:400}
    .news-aside{padding:23px;border-radius:var(--radius-lg);border:1px solid #d3e1f0;background:var(--blue-pale)}
    .news-aside h3{color:var(--ink);font-size:20px;margin-bottom:12px}
    .news-aside p{font-size:14px;margin-bottom:17px}
    .rank-list{margin:0;padding:0;list-style:none;counter-reset:rank}
    .rank-list li{counter-increment:rank;display:flex;gap:11px;padding:11px 0;border-top:1px solid #d8e6f4;color:var(--text);font-size:14px}
    .rank-list li:before{content:"0" counter(rank);color:var(--blue);font-size:12px;font-weight:800}
    .guide-section{background:var(--bg)}
    .guide-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:center}
    .guide-copy h2{margin-bottom:13px}
    .guide-copy p{font-size:15px;margin-bottom:20px}
    .steps{display:grid;gap:13px}
    .step{display:grid;grid-template-columns:43px 1fr;gap:13px;padding:16px;border-radius:13px;border:1px solid var(--line);background:#fff}
    .step-no{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--blue);color:#fff;font-size:13px;font-weight:800}
    .step h3{margin:0 0 3px;color:var(--ink);font-size:16px}
    .step p{margin:0;font-size:13px;color:var(--muted);line-height:1.65}
    .guide-panel{padding:27px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
    .guide-panel h3{color:var(--ink);font-size:21px;margin-bottom:16px}
    .filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
    .filter{padding:8px 10px;background:#f7f9fc;border:1px solid var(--line);border-radius:8px;color:var(--text);font-size:12px;font-weight:700}
    .filter.selected{background:var(--blue-pale);border-color:#b8d0ec;color:var(--blue)}
    .search-line{display:flex;align-items:center;gap:10px;padding:13px 14px;border:1px solid #bcd0e7;border-radius:11px;background:#fff;color:var(--muted);font-size:14px}
    .search-line svg{width:19px;height:19px;stroke:var(--blue);fill:none;stroke-width:2}
    .faq-section{background:#fff}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:58px;align-items:start}
    .faq-intro p{font-size:15px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 2px;background:transparent;border:0;color:var(--ink);text-align:left;font-size:16px;font-weight:750}
    .faq-question i{position:relative;width:20px;height:20px;flex:0 0 20px;border-radius:50%;border:1px solid #b8cae0}
    .faq-question i:before,.faq-question i:after{content:"";position:absolute;left:4px;top:9px;width:10px;height:1.5px;background:var(--blue)}
    .faq-question i:after{transform:rotate(90deg);transition:transform var(--ease)}
    .faq-item.open .faq-question i:after{transform:rotate(0)}
    .faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s ease}
    .faq-answer>div{overflow:hidden}
    .faq-answer p{margin:0;padding:0 2px 0;font-size:14px;color:var(--text)}
    .faq-item.open .faq-answer{grid-template-rows:1fr}
    .faq-item.open .faq-answer p{padding-bottom:20px}
    .cta-section{padding:0 0 92px;background:#fff}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:30px 34px;border:1px solid #cbdff4;border-radius:var(--radius-lg);background:linear-gradient(110deg,#eaf4ff,#f8fbff)}
    .cta-box h2{margin:0 0 7px;font-size:26px}
    .cta-box p{margin:0;font-size:14px}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex:0 0 auto}
    .site-footer{padding:42px 0 108px;background:#172b48;color:#c1d0e0}
    .footer-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:30px;padding-bottom:27px;border-bottom:1px solid rgba(202,221,240,.16)}
    .footer-brand{color:#fff}
    .footer-brand .brand-mark{display:inline-block;vertical-align:middle;margin-right:9px;width:26px;height:26px}
    .footer-brand .brand-mark:before{left:7px;top:9px}
    .footer-brand .brand-mark:after{left:12px;top:4px}
    .footer-brand strong{font-size:18px;letter-spacing:-.04em}
    .footer-brand p{max-width:500px;margin:12px 0 0;color:#aebfd2;font-size:13px}
    .footer-links{display:flex;justify-content:flex-end;align-items:flex-start;gap:20px}
    .footer-links a{color:#d7e5f3;font-size:14px}
    .footer-links a:hover{color:#fff;text-decoration:underline}
    .copyright{display:flex;justify-content:space-between;gap:15px;padding-top:20px;color:#91a8c0;font-size:12px}
    .fixed-cta{position:fixed;z-index:45;left:0;right:0;bottom:0;padding:10px 0;background:rgba(255,255,255,.97);border-top:1px solid #dbe5f0;box-shadow:0 -8px 28px rgba(24,55,95,.1);backdrop-filter:blur(10px)}
    .fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .fixed-copy{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:14px;font-weight:700}
    .fixed-copy span{display:block;width:9px;height:9px;border-radius:50%;background:var(--teal)}
    .fixed-actions{display:flex;align-items:center;gap:10px}
    .close-cta{width:38px;height:38px;border:0;background:transparent;border-radius:9px;color:var(--muted);font-size:22px;line-height:1}
    .close-cta:hover{background:#edf2f8;color:var(--ink)}
    @media (max-width:1024px){
      .desktop-nav{display:none}.menu-toggle{display:block}.nav-actions .btn-secondary{display:none}
      .mobile-menu{position:absolute;top:76px;left:0;right:0;padding:16px 24px 22px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
      .mobile-menu.open{display:grid;gap:8px}.mobile-menu a{padding:11px 4px;color:var(--text);font-weight:700}.mobile-menu .btn{margin-top:7px}
      .hero-shell,.guide-layout,.faq-layout{grid-template-columns:1fr;gap:30px}
      .preview-panel{max-width:680px}.topic-layout{grid-template-columns:1fr}.topic-intro{position:static}.calendar-layout{grid-template-columns:1fr}
      .news-grid{grid-template-columns:1fr}.feedback-grid{grid-template-columns:1fr 1fr}.feedback:first-child{grid-column:span 2}.footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}.topic-main{grid-template-columns:.8fr 1.2fr}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}.nav-wrap{height:68px}.brand{font-size:15px}.brand-mark{width:27px;height:27px}.brand-mark:before{left:8px;top:9px}.brand-mark:after{left:13px;top:4px}
      .mobile-menu{top:68px;padding:14px 16px 20px}.nav-actions .btn-primary{padding:10px 13px;font-size:13px}
      .hero{padding:52px 0}.hero-copy{font-size:16px}.hero-actions .btn{flex:1;min-width:160px}
      section{padding:62px 0}h2{font-size:27px}.value-grid,.stats-bar{grid-template-columns:1fr}.value-item:nth-child(2){margin-top:0}.stat{border-right:0;border-bottom:1px solid var(--line);padding:22px}.stat:last-child{border-bottom:0}
      .topic-main{grid-template-columns:1fr}.topic-cover{min-height:190px}.topic-showcase{padding:17px}.feedback-grid{grid-template-columns:1fr}.feedback:first-child{grid-column:auto}.feedback:nth-child(2),.feedback:nth-child(3){margin-top:0}
      .news-item{grid-template-columns:57px 1fr auto;gap:10px}.news-item h3{font-size:15px}.news-item p{display:none}.cta-box{display:block;padding:26px}.cta-actions{margin-top:19px}
      .fixed-copy{font-size:13px}.fixed-copy span{display:none}.fixed-inner{gap:8px}.fixed-actions .btn{min-height:42px;padding:10px 13px}.site-footer{padding-bottom:92px}.copyright{display:block}.copyright span{display:block;margin-top:5px}
    }
    @media (max-width:520px){
      h1{font-size:32px}.hero-actions{display:grid}.hero-actions .btn{width:100%}.panel-top{font-size:12px}.featured-tile h2{font-size:20px}
      .topic-tabs{flex-wrap:nowrap;overflow:auto;padding-bottom:4px}.topic-tab{white-space:nowrap}.calendar-card,.calendar-side{padding:21px}.date-row{grid-template-columns:54px 1fr;gap:10px}
      .fixed-copy{display:none}.fixed-inner{justify-content:flex-end}.fixed-actions{width:100%}.fixed-actions .btn{flex:1}.close-cta{flex:0 0 38px}
      .footer-links{flex-wrap:wrap}.cta-actions{display:grid}.cta-actions .btn{width:100%}
    }
    @media (prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* roulang page: category1 */
:root{
 --blue:#1f5fae;--blue-dark:#174b8d;--blue-soft:#eaf3ff;--blue-pale:#f4f8fd;
 --ink:#172033;--text:#455168;--muted:#778399;--line:#e2e9f2;--paper:#fff;
 --bg:#f7f9fc;--teal:#25877b;--amber:#aa7220;--shadow:0 12px 34px rgba(24,55,95,.08);
 --shadow-hover:0 18px 42px rgba(24,55,95,.13);--radius-lg:20px;--radius:15px;
 --radius-sm:11px;--container:1200px;--ease:180ms ease
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--text);background:var(--bg);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(31,95,174,.25);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(226,233,242,.92);box-shadow:0 3px 14px rgba(24,55,95,.035);backdrop-filter:blur(10px)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;letter-spacing:-.04em;white-space:nowrap;font-size:18px}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--blue);position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:2px}
.brand-mark:before{width:12px;height:2px;left:9px;top:10px}.brand-mark:after{width:2px;height:12px;left:14px;top:5px}
.desktop-nav{display:flex;align-items:center;gap:8px;margin-left:auto}
.desktop-nav a{position:relative;padding:10px 13px;color:var(--text);font-size:15px;font-weight:650;transition:color var(--ease),background var(--ease)}
.desktop-nav a:hover,.desktop-nav a.active{color:var(--blue)}
.desktop-nav a.active:after{content:"";position:absolute;width:22px;height:2px;left:50%;bottom:3px;transform:translateX(-50%);border-radius:2px;background:var(--blue)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 17px;border-radius:11px;border:1px solid transparent;font-weight:700;font-size:14px;line-height:1;transition:transform var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease)}
.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0);box-shadow:none}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(31,95,174,.18)}
.btn-primary:hover{background:var(--blue-dark);box-shadow:0 10px 22px rgba(31,95,174,.25)}
.btn-secondary{background:#fff;color:var(--blue);border-color:#b8cce7}.btn-secondary:hover{background:var(--blue-pale);border-color:var(--blue)}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--blue)}
.menu-toggle span{display:block;width:19px;height:2px;margin:4px auto;background:currentColor;border-radius:3px}.mobile-menu{display:none}

.category-hero{position:relative;padding:43px 0 37px;background:#fff;border-bottom:1px solid var(--line);overflow:hidden}
.category-hero:after{content:"";position:absolute;right:6%;top:-100px;width:270px;height:270px;border-radius:50%;border:1px solid rgba(31,95,174,.12);box-shadow:0 0 0 32px rgba(31,95,174,.035),0 0 0 66px rgba(31,95,174,.02)}
.breadcrumb{position:relative;z-index:1;display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:13px}
.breadcrumb a:hover{color:var(--blue)}.breadcrumb span{color:#a5afbd}
.category-intro{position:relative;z-index:1;max-width:805px}
.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:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(37,135,123,.1)}
h1,h2,h3,p{margin-top:0}h1{margin:9px 0 10px;color:var(--ink);font-size:42px;line-height:1.24;letter-spacing:-.045em}
.category-intro>p{max-width:760px;margin-bottom:20px;color:var(--text)}
.filter-row{position:relative;z-index:1;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.filter-label{color:var(--muted);font-size:13px;font-weight:700;margin-right:2px}
.filter-btn{min-height:36px;padding:6px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--text);font-size:13px;font-weight:700;transition:var(--ease)}
.filter-btn:hover{border-color:#a9c5e6;color:var(--blue);background:var(--blue-pale)}
.filter-btn.active{background:var(--blue-soft);border-color:#c7dbf4;color:var(--blue)}
.page-section{padding:42px 0 90px}
.content-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(270px,4fr);gap:28px;align-items:start}
.results-top{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:17px}
.results-top h2{margin:0;color:var(--ink);font-size:22px;letter-spacing:-.025em}
.result-count{color:var(--muted);font-size:13px}
.content-list{display:grid;gap:17px}
.content-card{display:grid;grid-template-columns:222px minmax(0,1fr);gap:21px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:0 4px 15px rgba(24,55,95,.035);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.content-card:hover{transform:translateY(-2px);border-color:#cedff1;box-shadow:var(--shadow)}
.content-card.featured{padding:16px;background:linear-gradient(135deg,#edf5ff,#fff 70%);border-color:#cfdef0}
.thumb{position:relative;min-height:164px;border-radius:11px;overflow:hidden;background:#dceafa}
.thumb:before{content:"";position:absolute;inset:0;background:linear-gradient(140deg,rgba(16,57,106,.13),transparent 57%)}
.thumb .shape-a,.thumb .shape-b,.thumb .shape-c{position:absolute;border:1px solid rgba(255,255,255,.62)}
.thumb .shape-a{width:112px;height:112px;border-radius:50%;right:-18px;top:-22px;background:rgba(255,255,255,.16)}
.thumb .shape-b{width:95px;height:55px;left:18px;bottom:22px;border-radius:8px;transform:rotate(-12deg)}
.thumb .shape-c{width:26px;height:26px;left:27px;top:27px;border-radius:50%;background:rgba(255,255,255,.48)}
.thumb-one{background:linear-gradient(135deg,#326fae,#86add2)}.thumb-two{background:linear-gradient(135deg,#507eaa,#a3bed4)}.thumb-three{background:linear-gradient(135deg,#285f99,#739fc6)}.thumb-four{background:linear-gradient(135deg,#6389ad,#bdd0df)}.thumb-five{background:linear-gradient(135deg,#376b9f,#91b5d2)}
.card-copy{padding:2px 5px 2px 0;min-width:0}.tags{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:9px}
.tag{display:inline-flex;align-items:center;min-height:24px;padding:3px 8px;border-radius:7px;background:var(--blue-pale);color:#526d8d;font-size:12px;font-weight:700;line-height:1.2}
.tag.teal{background:#eaf7f5;color:#287569}.tag.amber{background:#fff7e9;color:#97671f}
.card-copy h3{margin:0 0 7px;color:var(--ink);font-size:19px;line-height:1.42;letter-spacing:-.02em}
.card-copy h3 a:hover{color:var(--blue);text-decoration:underline;text-decoration-color:#a9c9ec;text-underline-offset:3px}
.card-copy p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 13px;color:var(--text);font-size:14px;line-height:1.75}
.card-meta{display:flex;align-items:center;gap:9px;flex-wrap:wrap;color:var(--muted);font-size:12px}.card-meta i{width:3px;height:3px;border-radius:50%;background:#b2bdca}.arrow{margin-left:auto;color:var(--blue);font-size:20px;line-height:1}
.sidebar{display:grid;gap:17px;position:sticky;top:98px}
.side-box{padding:21px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 5px 18px rgba(24,55,95,.035)}
.side-box h2{margin:0 0 14px;color:var(--ink);font-size:17px;line-height:1.4}.side-box>p{margin:0;color:var(--text);font-size:14px}
.side-list{list-style:none;padding:0;margin:0}.side-list li+li{border-top:1px solid var(--line)}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;color:var(--text);font-size:14px;font-weight:650;transition:color var(--ease)}
.side-list a:hover{color:var(--blue)}.side-list b{color:var(--blue);font-size:12px}
.update-item{padding:11px 0}.update-item+.update-item{border-top:1px solid var(--line)}
.update-item strong{display:block;color:var(--ink);font-size:14px;line-height:1.5}.update-item span{display:block;margin-top:3px;color:var(--muted);font-size:12px}
.notice{background:linear-gradient(145deg,#eef6ff,#fff);border-color:#cfe0f4}.notice-mark{display:flex;align-items:center;justify-content:center;width:36px;height:36px;margin-bottom:12px;border-radius:10px;background:var(--blue);color:#fff;font-weight:800}
.notice .btn{width:100%;margin-top:15px}
.pagination{display:flex;align-items:center;justify-content:center;gap:9px;padding-top:29px}.page-btn{min-width:44px;min-height:42px;padding:8px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--blue);font-weight:800;transition:var(--ease)}
.page-btn:hover:not(:disabled){border-color:var(--blue);background:var(--blue-pale);transform:translateY(-1px)}.page-btn.active{background:var(--blue);border-color:var(--blue);color:#fff}.page-btn:disabled{opacity:.52;cursor:not-allowed}

.browse-more{padding:68px 0;background:#fff;border-top:1px solid var(--line)}
.more-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:54px;align-items:start}.section-kicker{margin-bottom:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.07em}
.browse-more h2{margin:0 0 11px;color:var(--ink);font-size:30px;line-height:1.32;letter-spacing:-.04em}.browse-more p{margin:0;color:var(--text)}
.quick-links{display:grid;gap:10px}.quick-link{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--paper);font-weight:750;color:var(--ink);transition:var(--ease)}
.quick-link span{color:var(--muted);font-size:13px;font-weight:500}.quick-link b{color:var(--blue);font-size:19px}.quick-link:hover{transform:translateX(3px);border-color:#bed4ed;box-shadow:0 8px 20px rgba(24,55,95,.07);color:var(--blue)}

.faq-section{padding:76px 0;background:var(--blue-pale)}.faq-grid{display:grid;grid-template-columns:.84fr 1.16fr;gap:60px}.faq-copy h2{margin:0 0 12px;color:var(--ink);font-size:30px;line-height:1.3;letter-spacing:-.04em}.faq-copy p{margin:0;color:var(--text)}
.faq-list{display:grid;gap:10px}.faq-item{border:1px solid #dbe6f3;border-radius:12px;background:#fff;overflow:hidden}.faq-question{width:100%;min-height:57px;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px 17px;border:0;background:#fff;color:var(--ink);text-align:left;font-size:15px;font-weight:750}.faq-question:hover{color:var(--blue)}.faq-icon{flex:0 0 auto;color:var(--blue);font-size:22px;line-height:1;transition:transform var(--ease)}.faq-item.open .faq-icon{transform:rotate(45deg)}.faq-answer{display:none;padding:0 17px 16px;color:var(--text);font-size:14px;line-height:1.78}.faq-item.open .faq-answer{display:block}
.site-footer{padding:43px 0 96px;background:#172033;color:#c5d0df}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:35px;padding-bottom:30px}.footer-brand strong{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px}.footer-brand .brand-mark{width:26px;height:26px;border-radius:8px}.footer-brand .brand-mark:before{left:7px}.footer-brand .brand-mark:after{left:12px}.footer-brand p{max-width:480px;margin:13px 0 0;color:#aebdce;font-size:14px}.footer-links{display:flex;justify-content:flex-end;align-items:flex-start;gap:20px;flex-wrap:wrap}.footer-links a{color:#c5d0df;font-size:14px;font-weight:650}.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}.copyright{display:flex;justify-content:space-between;gap:15px;padding-top:21px;border-top:1px solid rgba(226,233,242,.14);color:#91a2b7;font-size:13px}
.bottom-bar{position:fixed;z-index:40;right:18px;bottom:18px;left:18px;display:flex;align-items:center;justify-content:space-between;gap:20px;width:min(calc(100% - 36px),900px);margin:auto;padding:11px 12px 11px 19px;border:1px solid #d4e1ef;border-radius:14px;background:rgba(255,255,255,.97);box-shadow:0 14px 35px rgba(24,55,95,.17);backdrop-filter:blur(12px)}.bottom-bar p{margin:0;color:var(--text);font-size:14px}.bottom-bar p strong{color:var(--ink)}.bottom-actions{display:flex;align-items:center;gap:9px}.close-bar{width:35px;height:35px;border:0;border-radius:9px;background:transparent;color:var(--muted);font-size:23px;line-height:1}.close-bar:hover{background:#edf2f8;color:var(--ink)}
@media(max-width:1024px){.content-layout{grid-template-columns:1fr}.sidebar{position:static;grid-template-columns:repeat(3,1fr)}.more-grid,.faq-grid{gap:35px}.site-footer{padding-bottom:105px}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.nav-wrap{height:68px;gap:12px}.brand{font-size:15px}.brand-mark{width:27px;height:27px}.brand-mark:before{left:8px}.brand-mark:after{left:13px}.desktop-nav,.nav-actions>a{display:none}.nav-actions{margin-left:auto}.menu-toggle{display:block}.mobile-menu{padding:9px 16px 17px;border-top:1px solid var(--line);background:#fff}.mobile-menu.open{display:grid;gap:7px}.mobile-menu>a:not(.btn){padding:10px 8px;color:var(--text);font-weight:700}.mobile-menu .btn{width:100%;margin-top:2px}.category-hero{padding:31px 0}.category-hero:after{right:-125px}.breadcrumb{margin-bottom:10px}h1{font-size:32px}.category-intro>p{font-size:15px}.filter-row{align-items:flex-start}.filter-label{width:100%}.page-section{padding:30px 0 58px}.content-card,.content-card.featured{grid-template-columns:1fr;gap:14px;padding:12px}.thumb{min-height:175px}.card-copy{padding:1px 3px}.card-copy h3{font-size:18px}.sidebar{grid-template-columns:1fr}.side-box{padding:18px}.browse-more{padding:55px 0}.more-grid,.faq-grid{grid-template-columns:1fr;gap:28px}.browse-more h2,.faq-copy h2{font-size:27px}.faq-section{padding:57px 0}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-links{justify-content:flex-start}.copyright{display:grid;gap:4px}.bottom-bar{bottom:max(10px,env(safe-area-inset-bottom));left:10px;right:10px;width:auto;padding:9px 9px 9px 14px}.bottom-bar p{font-size:12px;line-height:1.45}.bottom-bar .btn{min-height:40px;padding:9px 12px;font-size:13px}.close-bar{display:none}.site-footer{padding-bottom:92px}}
@media(max-width:520px){.filter-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}.filter-btn{white-space:nowrap}.filter-label{display:none}.results-top{align-items:flex-start;flex-direction:column;gap:2px}.pagination{gap:6px}.page-btn{min-width:39px;padding:8px 10px}.quick-link{padding:14px}.bottom-bar p strong{display:block}.bottom-bar .btn{white-space:nowrap}}