/* roulang page: index */
:root{
      --bg:#120B18;
      --bg-2:#17121F;
      --bg-3:#211427;
      --card:#201627;
      --card-2:rgba(255,255,255,.065);
      --text:#FFFFFF;
      --muted:#B8AFC5;
      --soft:#A9A2B3;
      --weak:#7E7588;
      --line:rgba(255,255,255,.12);
      --line-hot:rgba(255,46,121,.42);
      --pink:#FF2E79;
      --orange:#FF5A3D;
      --gold:#FFB000;
      --purple:#8B5CFF;
      --mint:#20E3B2;
      --yellow:#FFD84D;
      --radius-xl:36px;
      --radius-lg:28px;
      --radius-md:20px;
      --radius-pill:999px;
      --shadow-hot:0 24px 70px rgba(255,46,121,.25);
      --shadow-purple:0 22px 60px rgba(139,92,255,.18);
      --shadow-dark:0 18px 50px rgba(0,0,0,.38);
      --container:1200px;
      --nav-h:72px;
      --speed:.25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      padding-bottom:92px;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 6%, rgba(255,46,121,.28), transparent 28%),
        radial-gradient(circle at 85% 10%, rgba(139,92,255,.24), transparent 32%),
        radial-gradient(circle at 58% 58%, rgba(255,90,61,.12), transparent 34%),
        linear-gradient(180deg,#120B18 0%,#0F1016 54%,#151019 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.7), transparent 72%);
    }
    a{color:inherit;text-decoration:none;transition:color var(--speed),background var(--speed),border-color var(--speed),transform var(--speed),box-shadow var(--speed)}
    a:hover{color:#fff}
    img{max-width:100%;height:auto;display:block}
    button,input{font:inherit}
    input:focus,button:focus,a:focus{
      outline:2px solid rgba(255,216,77,.78);
      outline-offset:3px;
    }
    .container{
      max-width:var(--container);
      padding-left:22px;
      padding-right:22px;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      backdrop-filter:blur(18px);
      background:rgba(18,11,24,.86);
      border-bottom:1px solid rgba(255,255,255,.08);
      box-shadow:0 10px 35px rgba(0,0,0,.28);
    }
    .top-nav{
      min-height:var(--nav-h);
      display:flex;
      align-items:center;
      gap:20px;
      padding:12px 0;
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:11px;
      min-width:260px;
      font-weight:900;
      letter-spacing:-.03em;
      line-height:1.15;
    }
    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 auto;
      border-radius:16px;
      background:linear-gradient(135deg,var(--pink),var(--orange) 55%,var(--gold));
      box-shadow:0 10px 30px rgba(255,46,121,.35);
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
    }
    .brand-name{
      font-size:17px;
      max-width:280px;
    }
    .search-wrap{
      flex:1;
      position:relative;
    }
    .search-wrap input{
      width:100%;
      min-height:46px;
      border-radius:var(--radius-pill);
      border:1px solid rgba(255,255,255,.13);
      color:var(--text);
      background:rgba(255,255,255,.075);
      padding:0 48px 0 20px;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
    }
    .search-wrap input::placeholder{color:rgba(184,175,197,.86)}
    .search-wrap input:focus{
      border-color:rgba(255,46,121,.72);
      box-shadow:0 0 0 4px rgba(255,46,121,.12),0 0 32px rgba(139,92,255,.18);
      background:rgba(255,255,255,.095);
    }
    .search-icon{
      position:absolute;
      right:17px;
      top:50%;
      transform:translateY(-50%);
      color:var(--muted);
      font-weight:800;
    }
    .nav-cta{
      white-space:nowrap;
    }
    .channel-row{
      position:relative;
      border-top:1px solid rgba(255,255,255,.06);
    }
    .channel-scroll{
      display:flex;
      align-items:center;
      gap:10px;
      overflow-x:auto;
      padding:10px 0 14px;
      scrollbar-width:none;
    }
    .channel-scroll::-webkit-scrollbar{display:none}
    .channel-link{
      flex:0 0 auto;
      min-height:40px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:8px 16px;
      border-radius:var(--radius-pill);
      border:1px solid rgba(255,255,255,.11);
      background:rgba(255,255,255,.06);
      color:var(--muted);
      font-size:14px;
      font-weight:800;
    }
    .channel-link:hover{
      transform:translateY(-2px);
      border-color:rgba(255,46,121,.55);
      color:#fff;
      background:rgba(255,46,121,.12);
    }
    .channel-link.active{
      color:#fff;
      border-color:transparent;
      background:linear-gradient(135deg,var(--pink),var(--orange));
      box-shadow:0 12px 32px rgba(255,46,121,.28);
    }
    .btn-hot,.btn-ghost,.btn-mini{
      border:0;
      border-radius:var(--radius-pill);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      font-weight:900;
      letter-spacing:-.02em;
      min-height:48px;
      padding:12px 22px;
      cursor:pointer;
    }
    .btn-hot{
      color:#fff;
      background:linear-gradient(135deg,var(--pink),var(--orange) 56%,var(--gold));
      box-shadow:0 14px 34px rgba(255,46,121,.34);
    }
    .btn-hot:hover{
      color:#fff;
      transform:translateY(-3px);
      box-shadow:0 18px 48px rgba(255,46,121,.42);
    }
    .btn-ghost{
      color:#fff;
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.06);
    }
    .btn-ghost:hover{
      color:#fff;
      border-color:rgba(255,216,77,.58);
      background:linear-gradient(135deg,rgba(255,46,121,.12),rgba(139,92,255,.12));
      transform:translateY(-3px);
    }
    .btn-mini{
      min-height:38px;
      padding:8px 14px;
      font-size:13px;
      color:#fff;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.07);
    }
    .btn-mini:hover{background:rgba(255,46,121,.16);border-color:rgba(255,46,121,.46);color:#fff}
    main section{
      position:relative;
      padding:88px 0;
    }
    .hero{
      padding:76px 0 86px;
      overflow:hidden;
    }
    .hero:after{
      content:"";
      position:absolute;
      width:520px;
      height:520px;
      right:-160px;
      top:40px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,46,121,.32),transparent 62%);
      filter:blur(4px);
      pointer-events:none;
    }
    .hero-panel{
      position:relative;
      z-index:1;
      border:1px solid rgba(255,255,255,.12);
      border-radius:44px;
      padding:48px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.09),rgba(255,255,255,.035)),
        radial-gradient(circle at 50% -20%,rgba(255,46,121,.22),transparent 46%);
      box-shadow:var(--shadow-dark),var(--shadow-hot);
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:auto -80px -150px auto;
      width:320px;
      height:320px;
      border-radius:70px;
      transform:rotate(18deg);
      background:linear-gradient(135deg,rgba(255,176,0,.26),rgba(139,92,255,.18));
      filter:blur(1px);
      pointer-events:none;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border-radius:var(--radius-pill);
      border:1px solid rgba(255,216,77,.35);
      background:rgba(255,216,77,.09);
      color:#FFE7A1;
      font-weight:900;
      font-size:13px;
    }
    h1{
      margin:18px auto 0;
      max-width:980px;
      font-size:clamp(34px,6vw,66px);
      line-height:1.08;
      letter-spacing:-.06em;
      font-weight:900;
      text-align:center;
    }
    .hero-desc{
      max-width:850px;
      margin:22px auto 0;
      color:var(--muted);
      font-size:18px;
      text-align:center;
    }
    .hero-search{
      max-width:820px;
      margin:30px auto 0;
      padding:8px;
      display:flex;
      gap:10px;
      border-radius:var(--radius-pill);
      background:rgba(10,8,14,.72);
      border:1px solid rgba(255,255,255,.13);
      box-shadow:inset 0 0 0 1px rgba(255,46,121,.04),0 18px 55px rgba(0,0,0,.32);
    }
    .hero-search input{
      flex:1;
      border:0;
      color:#fff;
      background:transparent;
      padding:0 18px;
      min-height:54px;
    }
    .hero-search input::placeholder{color:rgba(184,175,197,.78)}
    .quick-entry{
      margin:26px auto 0;
      max-width:900px;
      display:flex;
      justify-content:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .quick-chip{
      padding:9px 14px;
      border-radius:var(--radius-pill);
      color:#fff;
      font-weight:800;
      font-size:14px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.065);
    }
    .quick-chip:hover{
      transform:translateY(-2px);
      border-color:rgba(32,227,178,.45);
      background:rgba(32,227,178,.12);
    }
    .hero-metrics{
      max-width:920px;
      margin:32px auto 0;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
    }
    .metric-card{
      border-radius:24px;
      padding:18px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
    }
    .metric-num{
      display:block;
      color:#fff;
      font-size:25px;
      line-height:1.1;
      font-weight:900;
    }
    .metric-text{display:block;color:var(--soft);font-size:14px;margin-top:7px}
    .section-head{
      margin-bottom:30px;
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
    }
    .section-title{
      margin:0;
      font-size:clamp(28px,4vw,44px);
      line-height:1.16;
      letter-spacing:-.05em;
      font-weight:900;
    }
    .section-desc{
      max-width:620px;
      margin:12px 0 0;
      color:var(--muted);
      font-size:17px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:5px 11px;
      border-radius:var(--radius-pill);
      font-size:12px;
      font-weight:900;
      color:#fff;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.075);
    }
    .tag.pink{background:rgba(255,46,121,.13);border-color:rgba(255,46,121,.35);color:#FFD8E5}
    .tag.green{background:rgba(32,227,178,.12);border-color:rgba(32,227,178,.32);color:#BFFFF1}
    .tag.gold{background:rgba(255,176,0,.12);border-color:rgba(255,176,0,.34);color:#FFE8A8}
    .entry-rail{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
    }
    .entry-card,.vertical-card,.info-card,.security-card,.feedback-card,.topic-card,.notice-card,.cta-card{
      border:1px solid rgba(255,255,255,.12);
      background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.04));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-dark);
      transition:transform var(--speed),box-shadow var(--speed),border-color var(--speed),background var(--speed);
      overflow:hidden;
    }
    .entry-card:hover,.vertical-card:hover,.info-card:hover,.security-card:hover,.feedback-card:hover,.topic-card:hover,.notice-card:hover{
      transform:translateY(-6px);
      border-color:rgba(255,46,121,.42);
      box-shadow:var(--shadow-hot);
    }
    .entry-card{
      padding:28px;
      min-height:300px;
      background:
        radial-gradient(circle at 12% 20%,rgba(255,46,121,.22),transparent 36%),
        linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.04));
    }
    .entry-card h3,.vertical-card h3,.info-card h3,.security-card h3,.topic-card h3,.notice-card h3{font-size:24px;font-weight:900;margin:14px 0 10px;letter-spacing:-.03em}
    .entry-card p,.vertical-card p,.info-card p,.security-card p,.topic-card p,.notice-card p{color:var(--muted);margin:0}
    .entry-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      margin-top:20px;
    }
    .mini-box{
      padding:16px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.11);
      background:rgba(0,0,0,.18);
    }
    .mini-box strong{display:block;font-size:16px;margin-bottom:4px}
    .mini-box span{display:block;color:var(--soft);font-size:13px;line-height:1.55}
    .vertical-stack{
      display:grid;
      gap:18px;
    }
    .vertical-card{
      padding:24px;
    }
    .vertical-card.tall{min-height:250px}
    .vertical-card .num{
      width:46px;
      height:46px;
      border-radius:18px;
      display:grid;
      place-items:center;
      font-size:20px;
      font-weight:900;
      background:linear-gradient(135deg,var(--purple),var(--pink));
      box-shadow:0 12px 30px rgba(139,92,255,.28);
    }
    .recommend-row{
      display:grid;
      grid-template-columns:1fr 1.15fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .recommend-card{
      min-height:360px;
      padding:28px;
      border-radius:34px;
      border:1px solid rgba(255,255,255,.12);
      background:linear-gradient(160deg,rgba(255,46,121,.16),rgba(255,255,255,.045) 48%,rgba(139,92,255,.13));
      box-shadow:var(--shadow-dark);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:var(--speed);
    }
    .recommend-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-purple);border-color:rgba(139,92,255,.45)}
    .recommend-card:nth-child(2){min-height:410px;background:linear-gradient(160deg,rgba(255,176,0,.18),rgba(255,255,255,.045) 48%,rgba(255,46,121,.14))}
    .recommend-card:nth-child(3){min-height:330px;background:linear-gradient(160deg,rgba(32,227,178,.13),rgba(255,255,255,.045) 48%,rgba(139,92,255,.12))}
    .recommend-card h3{font-size:25px;font-weight:900;margin:18px 0 10px}
    .recommend-card p{color:var(--muted);margin:0}
    .card-link{margin-top:20px;display:inline-flex;align-items:center;gap:8px;color:#FFE8A8;font-weight:900}
    .card-link:hover{color:#fff;transform:translateX(3px)}
    .topic-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr 1fr;
      gap:18px;
    }
    .topic-card{
      padding:25px;
      min-height:260px;
      position:relative;
    }
    .topic-card.big{grid-row:span 2;min-height:540px;background:radial-gradient(circle at 70% 20%,rgba(255,46,121,.22),transparent 34%),rgba(255,255,255,.06)}
    .topic-list{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:12px}
    .topic-list li{
      padding:13px 14px;
      border-radius:18px;
      background:rgba(0,0,0,.18);
      border:1px solid rgba(255,255,255,.09);
      color:var(--soft);
    }
    .guide-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:start;
    }
    .timeline{
      position:relative;
      display:grid;
      gap:16px;
    }
    .step-card{
      display:grid;
      grid-template-columns:54px 1fr;
      gap:14px;
      padding:18px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
    }
    .step-index{
      width:48px;height:48px;border-radius:18px;display:grid;place-items:center;font-weight:900;
      background:linear-gradient(135deg,var(--pink),var(--purple));
      box-shadow:0 12px 28px rgba(255,46,121,.26);
    }
    .step-card h3{font-size:19px;margin:0 0 5px;font-weight:900}
    .step-card p{margin:0;color:var(--muted);font-size:15px}
    .scenario-panel{
      padding:28px;
      border-radius:34px;
      border:1px solid rgba(255,255,255,.12);
      background:radial-gradient(circle at 20% 10%,rgba(255,176,0,.16),transparent 38%),rgba(255,255,255,.06);
      box-shadow:var(--shadow-dark);
    }
    .filter-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .result-card{
      margin-top:20px;
      padding:20px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(0,0,0,.2);
    }
    .result-card h3{font-size:22px;margin:0 0 8px;font-weight:900}
    .result-card p{color:var(--muted);margin:0}
    .info-layout{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:22px;
    }
    .news-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .news-list a{
      display:grid;
      grid-template-columns:1fr auto;
      gap:14px;
      align-items:center;
      padding:18px 20px;
      border-radius:22px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.1);
    }
    .news-list a:hover{
      background:rgba(255,46,121,.1);
      border-color:rgba(255,46,121,.35);
      transform:translateX(4px);
    }
    .news-title{font-weight:900;color:#fff}
    .news-meta{font-size:13px;color:var(--weak)}
    .info-card{padding:24px}
    .security-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .security-card{padding:22px}
    .security-icon{
      width:48px;height:48px;border-radius:18px;display:grid;place-items:center;font-size:22px;
      background:linear-gradient(135deg,rgba(32,227,178,.28),rgba(139,92,255,.22));
      border:1px solid rgba(32,227,178,.24);
    }
    .feedback-strip{
      display:grid;
      grid-template-columns:1fr 1.1fr 1fr;
      gap:18px;
    }
    .feedback-card{padding:24px}
    .avatar-dot{
      width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:900;
      background:linear-gradient(135deg,var(--pink),var(--purple));
      box-shadow:0 12px 30px rgba(139,92,255,.24);
    }
    .feedback-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
    .feedback-card p{color:var(--muted);margin:0}
    .campaign{
      padding:0;
    }
    .campaign-box{
      border-radius:42px;
      padding:36px;
      border:1px solid rgba(255,255,255,.13);
      background:
        linear-gradient(135deg,rgba(255,46,121,.22),rgba(255,90,61,.13) 42%,rgba(139,92,255,.18)),
        rgba(255,255,255,.055);
      box-shadow:var(--shadow-hot);
      overflow:hidden;
    }
    .campaign-items{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:24px;
    }
    .campaign-item{
      padding:18px;
      border-radius:24px;
      background:rgba(0,0,0,.22);
      border:1px solid rgba(255,255,255,.12);
    }
    .campaign-item strong{display:block;font-size:18px;margin-bottom:4px}
    .campaign-item span{color:var(--muted);font-size:14px}
    .faq-section .accordion{
      display:grid;
      gap:14px;
    }
    .faq-section .accordion-item{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      border-radius:24px;
      overflow:hidden;
      color:#fff;
    }
    .faq-section .accordion-button{
      color:#fff;
      font-weight:900;
      font-size:17px;
      background:rgba(255,255,255,.03);
      padding:20px 22px;
      box-shadow:none;
    }
    .faq-section .accordion-button:not(.collapsed){
      color:#fff;
      background:linear-gradient(135deg,rgba(255,46,121,.18),rgba(139,92,255,.14));
      box-shadow:inset 0 -1px 0 rgba(255,255,255,.08);
    }
    .faq-section .accordion-button:after{
      filter:invert(1);
      opacity:.85;
    }
    .faq-section .accordion-body{
      color:var(--muted);
      padding:0 22px 22px;
      line-height:1.85;
    }
    .final-cta{
      padding-top:24px;
    }
    .cta-card{
      padding:38px;
      border-radius:42px;
      background:
        radial-gradient(circle at 12% 20%,rgba(255,216,77,.2),transparent 30%),
        radial-gradient(circle at 80% 20%,rgba(255,46,121,.22),transparent 36%),
        rgba(255,255,255,.06);
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:24px;
      align-items:center;
    }
    .cta-card h2{font-size:clamp(28px,4vw,44px);line-height:1.16;margin:0 0 12px;font-weight:900;letter-spacing:-.05em}
    .cta-card p{color:var(--muted);margin:0}
    .cta-actions{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap}
    .site-footer{
      padding:64px 0 34px;
      border-top:1px solid rgba(255,255,255,.1);
      background:linear-gradient(180deg,rgba(255,46,121,.06),rgba(0,0,0,.16));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:30px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:center;
      font-size:20px;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .footer-desc{max-width:620px;margin:16px 0 0;color:var(--muted)}
    .footer-links{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .footer-links a{
      padding:9px 13px;
      border-radius:var(--radius-pill);
      color:var(--muted);
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.09);
      font-weight:800;
      font-size:14px;
    }
    .footer-links a:hover{color:#fff;border-color:rgba(255,46,121,.38);background:rgba(255,46,121,.11)}
    .copyright{
      margin-top:28px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:var(--weak);
      font-size:14px;
      flex-wrap:wrap;
    }
    .fixed-bar{
      position:fixed;
      z-index:1040;
      left:0;
      right:0;
      bottom:0;
      padding:12px 0;
      border-top:1px solid rgba(255,46,121,.45);
      background:rgba(15,12,20,.92);
      backdrop-filter:blur(18px);
      box-shadow:0 -12px 38px rgba(0,0,0,.38);
    }
    .fixed-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .fixed-title{font-weight:900;line-height:1.35}
    .fixed-sub{color:var(--soft);font-size:13px}
    .fixed-tags{display:flex;gap:8px;flex-wrap:wrap}
    @media (max-width:1199px){
      .brand-logo{min-width:230px}
      .entry-rail,.guide-wrap,.info-layout{grid-template-columns:1fr}
      .recommend-row{grid-template-columns:1fr 1fr}
      .recommend-card:nth-child(2){min-height:360px}
      .topic-grid{grid-template-columns:1fr 1fr}
      .topic-card.big{grid-row:auto;grid-column:span 2;min-height:auto}
      .security-grid{grid-template-columns:repeat(2,1fr)}
      .feedback-strip{grid-template-columns:1fr 1fr}
      .feedback-card:last-child{grid-column:span 2}
    }
    @media (max-width:767px){
      body{padding-bottom:82px}
      .container{padding-left:16px;padding-right:16px}
      .top-nav{
        flex-wrap:wrap;
        gap:12px;
      }
      .brand-logo{min-width:0;flex:1}
      .brand-name{font-size:15px;max-width:210px}
      .nav-cta{padding:9px 13px;min-height:42px;font-size:13px}
      .search-wrap{order:3;flex:0 0 100%}
      .search-wrap input{min-height:44px}
      .channel-link{font-size:13px;min-height:38px;padding:8px 13px}
      main section{padding:58px 0}
      .hero{padding:40px 0 58px}
      .hero-panel{padding:28px 18px;border-radius:32px}
      h1{text-align:left;letter-spacing:-.055em}
      .hero-desc{text-align:left;font-size:16px}
      .hero-search{
        border-radius:28px;
        flex-direction:column;
        padding:10px;
      }
      .hero-search input{min-height:48px}
      .hero-search .btn-hot{width:100%}
      .quick-entry{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;padding-bottom:3px}
      .quick-chip{white-space:nowrap}
      .hero-metrics{grid-template-columns:1fr}
      .section-head{display:block}
      .entry-grid,.recommend-row,.topic-grid,.security-grid,.feedback-strip,.campaign-items,.cta-card,.footer-grid{grid-template-columns:1fr}
      .topic-card.big,.feedback-card:last-child{grid-column:auto}
      .recommend-card,.recommend-card:nth-child(2),.recommend-card:nth-child(3){min-height:auto}
      .news-list a{grid-template-columns:1fr}
      .campaign-box,.cta-card{padding:26px 20px;border-radius:30px}
      .cta-actions,.footer-links{justify-content:flex-start}
      .fixed-inner{gap:10px}
      .fixed-tags,.fixed-copy .fixed-sub{display:none}
      .fixed-copy{min-width:0}
      .fixed-title{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:52vw}
      .fixed-bar .btn-hot{min-height:46px;padding:10px 16px;font-size:14px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-name{max-width:176px}
      .entry-card,.vertical-card,.info-card,.security-card,.feedback-card,.topic-card,.notice-card{border-radius:24px}
      .entry-card{padding:22px}
      .metric-num{font-size:22px}
      .step-card{grid-template-columns:1fr}
      .step-index{width:44px;height:44px}
    }

/* roulang page: category1 */
:root{
      --bg:#120B18;
      --bg-2:#17121F;
      --panel:#1C1527;
      --panel-2:#221A31;
      --line:rgba(255,255,255,.09);
      --line-2:rgba(255,46,121,.28);
      --text:#F6F2FF;
      --muted:#B8AFC5;
      --soft:#7E7588;
      --brand:#FF2E79;
      --brand-2:#FF5A3D;
      --brand-3:#8B5CFF;
      --accent:#20E3B2;
      --warn:#FFD84D;
      --shadow:0 24px 60px rgba(4,5,12,.45);
      --shadow-2:0 18px 40px rgba(255,46,121,.14);
      --radius-xl:34px;
      --radius-lg:26px;
      --radius-md:20px;
      --radius-sm:16px;
      --container:1240px;
      --space:24px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC, Microsoft YaHei, Noto Sans SC, Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 10%, rgba(255,46,121,.16), transparent 28%),
        radial-gradient(circle at 86% 14%, rgba(139,92,255,.18), transparent 24%),
        radial-gradient(circle at 70% 86%, rgba(255,176,0,.10), transparent 22%),
        linear-gradient(180deg, #160E1E 0%, #120B18 42%, #0E0A12 100%);
      min-height:100vh;
      line-height:1.75;
      overflow-x:hidden;
      padding-bottom:112px;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(120deg, rgba(255,255,255,.025), transparent 18%, transparent 82%, rgba(255,255,255,.02)),
        radial-gradient(circle at 50% 0%, rgba(255,255,255,.05), transparent 30%);
      mix-blend-mode:screen;
      opacity:.55;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    ::selection{background:rgba(255,46,121,.32);color:#fff}
    .container{
      max-width:var(--container);
      padding-left:20px;
      padding-right:20px;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(18,11,24,.84);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.08);
      box-shadow:0 10px 24px rgba(0,0,0,.18);
    }
    .top-nav{
      min-height:74px;
      display:flex;
      align-items:center;
      gap:18px;
    }
    .brand-logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:300px;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--brand),var(--brand-2) 58%,var(--warn));
      box-shadow:0 12px 28px rgba(255,46,121,.32);
    }
    .brand-name{
      max-width:310px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      font-size:17px;
    }
    .search-wrap{
      position:relative;
      flex:1;
      max-width:520px;
      margin-left:auto;
    }
    .search-wrap input{
      width:100%;
      height:48px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      color:var(--text);
      outline:none;
      padding:0 48px 0 18px;
      transition:.22s ease;
    }
    .search-wrap input::placeholder{color:rgba(184,175,197,.75)}
    .search-wrap input:focus{
      border-color:rgba(255,46,121,.62);
      box-shadow:0 0 0 4px rgba(255,46,121,.13);
      background:rgba(255,255,255,.08);
    }
    .search-icon{
      position:absolute;
      right:17px;
      top:50%;
      transform:translateY(-50%);
      color:var(--muted);
      font-size:19px;
      pointer-events:none;
    }
    .btn-hot{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      border:0;
      color:#fff;
      font-weight:800;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 14px 30px rgba(255,46,121,.26);
      transition:transform .22s ease, box-shadow .22s ease, filter .22s ease;
      white-space:nowrap;
    }
    .btn-hot:hover{
      transform:translateY(-2px);
      box-shadow:0 20px 42px rgba(255,46,121,.34);
      filter:saturate(1.1);
    }
    .btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.045);
      color:#fff;
      font-weight:800;
      transition:.22s ease;
    }
    .btn-ghost:hover{
      border-color:rgba(32,227,178,.45);
      background:linear-gradient(135deg,rgba(32,227,178,.12),rgba(139,92,255,.10));
      transform:translateY(-2px);
    }
    .btn-hot:focus-visible,.btn-ghost:focus-visible,.channel-link:focus-visible,.footer-links a:focus-visible{
      outline:3px solid rgba(255,216,77,.44);
      outline-offset:3px;
    }
    .channel-row{
      position:relative;
      padding:0 0 12px;
    }
    .channel-row::after{
      content:"";
      position:absolute;
      right:0;
      top:0;
      bottom:12px;
      width:58px;
      background:linear-gradient(90deg,transparent,rgba(18,11,24,.92));
      pointer-events:none;
    }
    .channel-scroll{
      display:flex;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:none;
      padding-bottom:2px;
    }
    .channel-scroll::-webkit-scrollbar{display:none}
    .channel-link{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 16px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:800;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
      white-space:nowrap;
      transition:.2s ease;
    }
    .channel-link:hover{
      color:#fff;
      border-color:rgba(255,46,121,.38);
      background:rgba(255,46,121,.10);
    }
    .channel-link.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(255,46,121,.92),rgba(139,92,255,.88));
      border-color:transparent;
      box-shadow:0 12px 24px rgba(255,46,121,.20);
    }
    main{position:relative}
    .section{
      padding:90px 0;
      position:relative;
    }
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,46,121,.12);
      color:#FFD8E7;
      border:1px solid rgba(255,46,121,.28);
      font-size:13px;
      font-weight:900;
      margin-bottom:18px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 16px rgba(32,227,178,.8);
    }
    .page-hero{
      padding:64px 0 46px;
      overflow:hidden;
      border-bottom:1px solid rgba(255,255,255,.08);
      background:
        radial-gradient(circle at 18% 20%, rgba(255,46,121,.23), transparent 24%),
        radial-gradient(circle at 78% 18%, rgba(139,92,255,.22), transparent 28%),
        linear-gradient(135deg,rgba(255,255,255,.04),transparent);
    }
    .hero-panel{
      position:relative;
      border-radius:var(--radius-xl);
      padding:34px;
      background:linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      width:320px;
      height:320px;
      right:-110px;
      top:-120px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,176,0,.22),transparent 62%);
      pointer-events:none;
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      position:relative;
      font-size:clamp(34px,5.1vw,64px);
      line-height:1.08;
      font-weight:900;
      letter-spacing:-.055em;
      max-width:900px;
      margin-bottom:20px;
    }
    .hero-lead{
      max-width:800px;
      color:var(--muted);
      font-size:18px;
      line-height:1.82;
      margin-bottom:24px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-bottom:22px;
    }
    .count-strip{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .count-item{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:38px;
      padding:0 13px;
      border-radius:999px;
      background:rgba(0,0,0,.20);
      border:1px solid rgba(255,255,255,.10);
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    .count-item strong{color:#fff}
    .filter-chips{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:22px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 14px;
      border-radius:999px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.10);
      color:var(--muted);
      font-size:14px;
      font-weight:800;
      transition:.22s ease;
    }
    .chip:hover,.chip.active{
      color:#fff;
      border-color:rgba(255,46,121,.42);
      background:rgba(255,46,121,.12);
      transform:translateY(-2px);
    }
    .side-kv{
      height:100%;
      min-height:320px;
      border-radius:var(--radius-xl);
      padding:24px;
      background:
        linear-gradient(155deg,rgba(255,46,121,.18),rgba(139,92,255,.11) 48%,rgba(32,227,178,.09)),
        rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow-2);
      position:relative;
      overflow:hidden;
    }
    .side-kv::after{
      content:"";
      position:absolute;
      inset:auto -55px -80px auto;
      width:220px;
      height:220px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,46,121,.30),transparent 66%);
    }
    .kv-title{
      font-size:22px;
      font-weight:900;
      margin-bottom:16px;
    }
    .kv-stack{
      display:grid;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .kv-mini{
      padding:15px;
      border-radius:20px;
      background:rgba(18,11,24,.64);
      border:1px solid rgba(255,255,255,.10);
    }
    .kv-mini span{
      display:inline-block;
      margin-bottom:5px;
      color:var(--accent);
      font-size:12px;
      font-weight:900;
    }
    .kv-mini p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.62;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:28px;
    }
    .section-head h2{
      font-size:clamp(28px,3.6vw,44px);
      line-height:1.15;
      font-weight:900;
      letter-spacing:-.04em;
      margin-bottom:0;
      max-width:760px;
    }
    .section-head p{
      color:var(--muted);
      max-width:430px;
      margin-bottom:0;
    }
    .feature-flow{
      display:grid;
      grid-template-columns:1.15fr .85fr 1fr;
      gap:18px;
      align-items:start;
    }
    .feature-card{
      min-height:300px;
      padding:26px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow);
      transition:.24s ease;
      position:relative;
      overflow:hidden;
    }
    .feature-card:nth-child(2){margin-top:42px;min-height:340px}
    .feature-card:nth-child(3){margin-top:14px;min-height:320px}
    .feature-card:hover{
      transform:translateY(-7px);
      border-color:rgba(255,46,121,.36);
      box-shadow:0 26px 54px rgba(255,46,121,.16);
    }
    .badge-pill{
      display:inline-flex;
      align-items:center;
      padding:6px 11px;
      border-radius:999px;
      color:#fff;
      background:linear-gradient(135deg,rgba(255,46,121,.75),rgba(139,92,255,.72));
      font-size:12px;
      font-weight:900;
      margin-bottom:18px;
    }
    .feature-card h3{
      font-size:25px;
      line-height:1.28;
      font-weight:900;
      margin-bottom:12px;
    }
    .feature-card p{color:var(--muted);margin-bottom:18px}
    .text-link{
      color:#fff;
      font-weight:900;
      display:inline-flex;
      gap:6px;
      align-items:center;
    }
    .text-link:hover{color:#FFD8E7}
    .content-grid{
      display:grid;
      grid-template-columns:minmax(0,1.9fr) minmax(300px,.9fr);
      gap:24px;
      align-items:start;
    }
    .masonry-list{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .guide-card{
      border-radius:var(--radius-lg);
      padding:22px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.095);
      transition:.22s ease;
      position:relative;
      overflow:hidden;
    }
    .guide-card.large{
      grid-column:1 / -1;
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
      align-items:center;
      background:
        radial-gradient(circle at 92% 12%,rgba(255,216,77,.18),transparent 28%),
        linear-gradient(135deg,rgba(255,46,121,.12),rgba(139,92,255,.08));
    }
    .guide-card:hover{
      transform:translateY(-5px);
      border-color:rgba(32,227,178,.30);
      box-shadow:0 20px 38px rgba(0,0,0,.24);
    }
    .guide-card h3{
      font-size:22px;
      font-weight:900;
      margin-bottom:10px;
      line-height:1.35;
    }
    .guide-card p{
      color:var(--muted);
      margin-bottom:16px;
      font-size:15.5px;
    }
    .tag-row{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-bottom:16px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:5px 9px;
      border:1px solid rgba(255,255,255,.11);
      background:rgba(0,0,0,.18);
      color:var(--muted);
      font-size:12px;
      font-weight:800;
    }
    .mini-matrix{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:10px;
    }
    .matrix-box{
      border-radius:18px;
      padding:14px;
      background:rgba(18,11,24,.62);
      border:1px solid rgba(255,255,255,.10);
      min-height:86px;
    }
    .matrix-box strong{
      display:block;
      font-size:20px;
      line-height:1;
      color:var(--warn);
      margin-bottom:8px;
    }
    .matrix-box span{font-size:13px;color:var(--muted)}
    .sticky-panel{
      position:sticky;
      top:142px;
      display:grid;
      gap:16px;
    }
    .info-panel{
      border-radius:var(--radius-lg);
      padding:22px;
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow);
    }
    .info-panel h3{
      font-size:22px;
      font-weight:900;
      margin-bottom:12px;
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      font-size:15px;
    }
    .check-list li::before{
      content:"✓";
      width:22px;
      height:22px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      background:rgba(32,227,178,.12);
      color:var(--accent);
      font-size:13px;
      font-weight:900;
      margin-top:2px;
    }
    .timeline{
      display:grid;
      gap:14px;
      counter-reset:step;
    }
    .step-card{
      display:grid;
      grid-template-columns:54px 1fr;
      gap:14px;
      border-radius:var(--radius-lg);
      padding:20px;
      background:rgba(255,255,255,.052);
      border:1px solid rgba(255,255,255,.095);
      transition:.22s ease;
    }
    .step-card:hover{
      transform:translateX(4px);
      border-color:rgba(255,90,61,.32);
    }
    .step-num{
      width:48px;
      height:48px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      background:linear-gradient(135deg,var(--brand),var(--brand-3));
      box-shadow:0 12px 22px rgba(139,92,255,.22);
    }
    .step-card h3{font-size:20px;font-weight:900;margin-bottom:5px}
    .step-card p{color:var(--muted);margin:0;font-size:15.5px}
    .notice-band{
      border-radius:var(--radius-xl);
      padding:28px;
      background:
        linear-gradient(135deg,rgba(255,216,77,.12),rgba(255,46,121,.10),rgba(139,92,255,.10));
      border:1px solid rgba(255,255,255,.11);
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
      box-shadow:var(--shadow-2);
    }
    .notice-band h2{
      font-size:clamp(26px,3.2vw,38px);
      font-weight:900;
      margin-bottom:8px;
    }
    .notice-band p{color:var(--muted);margin:0}
    .feedback-row{
      display:grid;
      grid-template-columns:1fr 1.18fr .92fr;
      gap:16px;
    }
    .feedback-card{
      border-radius:var(--radius-lg);
      padding:22px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.095);
      transition:.22s ease;
    }
    .feedback-card:hover{
      transform:translateY(-5px);
      border-color:rgba(255,46,121,.26);
    }
    .avatar-line{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
    }
    .avatar{
      width:42px;
      height:42px;
      border-radius:50%;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      background:linear-gradient(135deg,var(--brand-3),var(--brand));
      box-shadow:0 10px 20px rgba(139,92,255,.22);
    }
    .avatar-line strong{display:block}
    .avatar-line span{display:block;color:var(--soft);font-size:13px}
    .feedback-card p{color:var(--muted);margin:0}
    .accordion{
      display:grid;
      gap:12px;
    }
    .accordion-item{
      background:transparent;
      border:0;
      border-radius:22px;
      overflow:hidden;
    }
    .accordion-button{
      border-radius:22px !important;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.10);
      color:#fff;
      font-weight:900;
      padding:18px 20px;
      box-shadow:none !important;
    }
    .accordion-button:not(.collapsed){
      color:#fff;
      background:linear-gradient(135deg,rgba(255,46,121,.18),rgba(139,92,255,.14));
      border-color:rgba(255,46,121,.30);
    }
    .accordion-button::after{
      filter:invert(1);
      opacity:.85;
    }
    .accordion-body{
      color:var(--muted);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      border-top:0;
      border-radius:0 0 22px 22px;
      padding:0 20px 20px;
      line-height:1.8;
    }
    .site-footer{
      padding:56px 0 120px;
      background:
        linear-gradient(180deg,rgba(255,46,121,.05),transparent 18%),
        rgba(7,6,10,.72);
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      font-size:18px;
      margin-bottom:14px;
    }
    .footer-desc{
      color:var(--muted);
      max-width:620px;
      margin:0;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px;
    }
    .footer-links a{
      min-height:38px;
      display:inline-flex;
      align-items:center;
      padding:0 13px;
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
      font-weight:800;
      font-size:14px;
      transition:.2s ease;
    }
    .footer-links a:hover{
      color:#fff;
      border-color:rgba(255,46,121,.30);
      background:rgba(255,46,121,.10);
    }
    .copyright{
      margin-top:30px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:var(--soft);
      font-size:13px;
    }
    .fixed-convert{
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:1040;
      background:rgba(12,8,16,.92);
      backdrop-filter:blur(18px);
      border-top:1px solid rgba(255,46,121,.35);
      box-shadow:0 -16px 36px rgba(0,0,0,.35);
    }
    .convert-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .convert-title{
      font-weight:900;
      margin:0;
    }
    .convert-sub{
      color:var(--muted);
      font-size:13px;
      margin:0;
    }
    .convert-tags{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
    }
    .convert-tags span{
      padding:6px 10px;
      border-radius:999px;
      color:#fff;
      font-size:12px;
      font-weight:900;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.10);
    }
    @media (max-width:1199px){
      .brand-logo{min-width:auto}
      .brand-name{max-width:230px}
      .content-grid{grid-template-columns:1fr}
      .sticky-panel{position:relative;top:auto;grid-template-columns:repeat(2,minmax(0,1fr))}
      .feature-flow{grid-template-columns:repeat(3,minmax(0,1fr))}
    }
    @media (max-width:991px){
      .top-nav{flex-wrap:wrap;padding:14px 0}
      .search-wrap{order:3;flex:0 0 100%;max-width:none;margin-left:0}
      .nav-cta{margin-left:auto}
      .page-hero{padding-top:42px}
      .feature-flow,.feedback-row{grid-template-columns:1fr}
      .feature-card:nth-child(2),.feature-card:nth-child(3){margin-top:0}
      .notice-band{grid-template-columns:1fr}
      .notice-band .btn-hot{justify-self:start}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
      .copyright{flex-direction:column}
      .convert-tags{display:none}
    }
    @media (max-width:767px){
      body{padding-bottom:92px}
      .container{padding-left:16px;padding-right:16px}
      .brand-name{max-width:190px;font-size:15px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .nav-cta{padding:0 14px;min-height:42px;font-size:13px}
      .channel-link{min-height:36px;padding:0 13px}
      .section{padding:64px 0}
      .section-tight{padding:48px 0}
      .hero-panel{padding:24px;border-radius:28px}
      .hero-lead{font-size:16px}
      .side-kv{min-height:auto;border-radius:28px;margin-top:18px}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .masonry-list{grid-template-columns:1fr}
      .guide-card.large{grid-template-columns:1fr}
      .sticky-panel{grid-template-columns:1fr}
      .mini-matrix{grid-template-columns:1fr 1fr}
      .step-card{grid-template-columns:46px 1fr;padding:17px}
      .step-num{width:42px;height:42px;border-radius:15px}
      .count-strip,.filter-chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
      .count-strip::-webkit-scrollbar,.filter-chips::-webkit-scrollbar{display:none}
      .convert-inner{
        min-height:70px;
        gap:10px;
      }
      .convert-copy{display:none}
      .fixed-convert .btn-hot,.fixed-convert .btn-ghost{
        flex:1;
        min-height:48px;
        padding:0 12px;
        font-size:14px;
      }
      .site-footer{padding-bottom:96px}
    }
    @media (max-width:520px){
      h1{letter-spacing:-.045em}
      .top-nav{gap:10px}
      .brand-logo{gap:9px}
      .brand-name{max-width:156px}
      .search-wrap input{height:44px;font-size:14px}
      .hero-actions .btn-hot,.hero-actions .btn-ghost{width:100%}
      .hero-panel{padding:21px}
      .guide-card,.feature-card,.info-panel{padding:19px}
      .mini-matrix{grid-template-columns:1fr}
      .convert-inner{padding-top:10px;padding-bottom:10px}
      .fixed-convert .btn-ghost{display:none}
    }