/* roulang page: index */
:root{
      --bg:#101014;
      --bg-2:#15151b;
      --line:rgba(255,255,255,.10);
      --line-2:rgba(255,106,0,.25);
      --text:#FAFAF7;
      --muted:#A7A7AD;
      --flame:#FF6A00;
      --ember:#E5383B;
      --sand:#F6E6C8;
      --mint:#20E3B2;
      --radius:22px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      background:
        radial-gradient(circle at 20% 10%, rgba(255,106,0,.12), transparent 24%),
        radial-gradient(circle at 80% 0%, rgba(32,227,178,.10), transparent 18%),
        linear-gradient(180deg, #0c0c10 0%, #101014 22%, #0f1014 100%);
      color:var(--text);
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(115deg, rgba(255,255,255,.03) 0 1px, transparent 1px 100%),
        linear-gradient(45deg, rgba(255,106,0,.05) 0 1px, transparent 1px 100%);
      background-size:64px 64px, 84px 84px;
      opacity:.33;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.92), rgba(0,0,0,.2));
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(255,106,0,.35);color:#fff}
    .container{
      width:min(1280px, calc(100% - 32px));
      margin-inline:auto;
    }
    .grain{
      position:relative;
      isolation:isolate;
    }
    .grain:after{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)' opacity='.14'/%3E%3C/svg%3E");
      mix-blend-mode:soft-light;
      opacity:.2;
      z-index:-1;
    }
    .top-strip{
      background:linear-gradient(90deg, rgba(229,56,59,.96), rgba(255,106,0,.96));
      border-bottom:1px solid rgba(255,255,255,.14);
    }
    .top-strip .chip{
      background:rgba(16,16,20,.8);
      border:1px solid rgba(255,255,255,.15);
      box-shadow:0 10px 28px rgba(0,0,0,.16);
    }
    .score-nav{
      backdrop-filter:blur(18px);
      background:rgba(16,16,20,.76);
      border-bottom:1px solid rgba(255,106,0,.20);
    }
    .brand-badge{
      position:relative;
      overflow:hidden;
      background:linear-gradient(145deg, rgba(255,106,0,.18), rgba(229,56,59,.16));
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 18px 44px rgba(255,106,0,.16);
    }
    .brand-badge:before{
      content:"";
      position:absolute;
      inset:-1px;
      background:linear-gradient(120deg, transparent 0%, rgba(255,255,255,.20) 45%, transparent 65%);
      transform:translateX(-120%);
      transition:transform .7s ease;
      pointer-events:none;
    }
    .brand-badge:hover:before{transform:translateX(120%)}
    .nav-pill{
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.10);
      transition:all .24s ease;
    }
    .nav-pill:hover{
      transform:translateY(-1px);
      border-color:rgba(32,227,178,.58);
      background:rgba(32,227,178,.08);
    }
    .nav-pill.active{
      background:linear-gradient(135deg, rgba(255,106,0,.18), rgba(229,56,59,.18));
      border-color:rgba(255,106,0,.45);
      color:#fff;
    }
    .skew-btn{
      position:relative;
      overflow:hidden;
      background:linear-gradient(135deg, var(--flame), var(--ember));
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 18px 44px rgba(255,106,0,.22);
      transform:skewX(-10deg);
      transition:transform .22s ease, filter .22s ease, box-shadow .22s ease;
    }
    .skew-btn > span{
      display:inline-block;
      transform:skewX(10deg);
    }
    .skew-btn:hover{
      transform:skewX(-10deg) translateY(-2px);
      filter:brightness(1.05);
      box-shadow:0 20px 56px rgba(255,106,0,.28);
      border-color:rgba(32,227,178,.72);
    }
    .ghost-btn{
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.14);
      transition:all .22s ease;
    }
    .ghost-btn:hover{
      border-color:rgba(246,230,200,.55);
      background:rgba(246,230,200,.10);
      transform:translateY(-1px);
    }
    .section{
      position:relative;
      padding:clamp(64px, 8vw, 112px) 0;
    }
    .section-title{
      font-weight:900;
      letter-spacing:-.03em;
      line-height:1.08;
    }
    .section-lead{
      color:var(--muted);
      line-height:1.85;
      font-size:clamp(15px, 1.4vw, 18px);
    }
    .panel{
      position:relative;
      background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.10);
      border-radius:var(--radius);
      box-shadow:0 20px 60px rgba(0,0,0,.28);
    }
    .panel.dark{
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      border-color:rgba(255,255,255,.09);
    }
    .panel.light{
      background:linear-gradient(180deg, #f5e4c2, #ecd6ae);
      color:#171717;
      border-color:rgba(0,0,0,.06);
      box-shadow:0 22px 54px rgba(0,0,0,.22);
    }
    .corner-cut{
      clip-path:polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
    }
    .line-accent{
      position:relative;
    }
    .line-accent:before{
      content:"";
      position:absolute;
      left:0;
      top:0;
      width:100%;
      height:2px;
      background:linear-gradient(90deg, var(--flame), var(--ember), transparent);
      border-radius:999px;
      opacity:.95;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:.42rem;
      padding:.38rem .7rem;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
      color:#fff;
      font-size:.8rem;
      line-height:1;
      white-space:nowrap;
    }
    .tag.mint{
      background:rgba(32,227,178,.12);
      border-color:rgba(32,227,178,.32);
      color:#d6fff5;
    }
    .tag.fire{
      background:rgba(255,106,0,.14);
      border-color:rgba(255,106,0,.34);
      color:#fff1e9;
    }
    .tag.sand{
      background:rgba(246,230,200,.12);
      border-color:rgba(246,230,200,.30);
      color:#fff6e7;
    }
    .kpi{
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.10);
      border-radius:18px;
    }
    .kpi strong{
      display:block;
      font-size:1.35rem;
      line-height:1;
      letter-spacing:-.04em;
    }
    .hero-glow{
      box-shadow:0 24px 70px rgba(255,106,0,.18), inset 0 1px 0 rgba(255,255,255,.04);
    }
    .court{
      background:
        radial-gradient(circle at 22% 20%, rgba(255,106,0,.22), transparent 18%),
        radial-gradient(circle at 78% 16%, rgba(32,227,178,.12), transparent 16%),
        linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.11);
      position:relative;
      overflow:hidden;
    }
    .court:before,
    .court:after{
      content:"";
      position:absolute;
      inset:auto;
      border:1px solid rgba(255,255,255,.10);
      border-radius:999px;
      pointer-events:none;
    }
    .court:before{
      width:340px;height:340px;right:-120px;top:-110px;
    }
    .court:after{
      width:260px;height:260px;left:-120px;bottom:-120px;
    }
    .screen{
      background:linear-gradient(180deg, rgba(12,12,16,.96), rgba(21,21,28,.96));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:0 20px 60px rgba(0,0,0,.28);
      border-radius:22px;
      overflow:hidden;
    }
    .screen-top{
      background:rgba(255,255,255,.04);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .dot{
      width:.58rem;height:.58rem;border-radius:999px;
      background:var(--mint);
      box-shadow:0 0 0 6px rgba(32,227,178,.12);
    }
    .dot.fire{background:var(--flame);box-shadow:0 0 0 6px rgba(255,106,0,.12)}
    .dot.ember{background:var(--ember);box-shadow:0 0 0 6px rgba(229,56,59,.12)}
    .carousel{
      scroll-snap-type:x proximity;
      scrollbar-width:none;
      -ms-overflow-style:none;
    }
    .carousel::-webkit-scrollbar{display:none}
    .carousel-card{
      scroll-snap-align:start;
    }
    .mini-grid{
      background:
        linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,.08) 1px, transparent 1px);
      background-size:22px 22px;
    }
    .faq-item{
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      border-radius:18px;
      overflow:hidden;
      transition:all .22s ease;
    }
    .faq-item[open]{
      border-color:rgba(255,106,0,.38);
      background:rgba(255,106,0,.07);
      box-shadow:0 14px 34px rgba(255,106,0,.10);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:1rem 1.1rem;
      font-weight:800;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:1rem;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item p{
      margin:0;
      padding:0 1.1rem 1rem;
      color:#d5d5de;
      line-height:1.8;
    }
    .list-link{
      display:flex;
      justify-content:space-between;
      gap:1rem;
      padding:1rem 0;
      border-bottom:1px solid rgba(255,255,255,.08);
      transition:transform .2s ease, color .2s ease;
    }
    .list-link:hover{transform:translateX(3px);color:#fff}
    .list-link:last-child{border-bottom:none}
    .sidebar-card{
      background:linear-gradient(180deg, rgba(255,106,0,.12), rgba(229,56,59,.09));
      border:1px solid rgba(255,106,0,.26);
    }
    .timeline{
      position:relative;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:15px;
      top:8px;
      bottom:8px;
      width:1px;
      background:linear-gradient(180deg, rgba(255,106,0,.65), rgba(32,227,178,.35));
    }
    .timeline-item{
      position:relative;
      padding-left:44px;
    }
    .timeline-item:before{
      content:"";
      position:absolute;
      left:8px;
      top:8px;
      width:16px;
      height:16px;
      border-radius:50%;
      background:var(--flame);
      box-shadow:0 0 0 6px rgba(255,106,0,.12);
    }
    .quote-card{
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
      border:1px solid rgba(255,255,255,.10);
      border-radius:20px;
    }
    .footer-link{
      color:#d8d8de;
      transition:color .2s ease, transform .2s ease;
    }
    .footer-link:hover{
      color:#fff;
      transform:translateX(2px);
    }
    .mobile-menu{
      transform-origin:top center;
      transition:transform .22s ease, opacity .22s ease;
    }
    .mobile-menu.hidden-state{
      opacity:0;
      transform:scaleY(.96);
      pointer-events:none;
      height:0;
      overflow:hidden;
    }
    .mobile-menu.show-state{
      opacity:1;
      transform:scaleY(1);
      pointer-events:auto;
    }
    @media (max-width: 1024px){
      .section{padding:72px 0}
    }
    @media (max-width: 640px){
      .container{width:min(100% - 20px, 1280px)}
      .section{padding:56px 0}
      .skew-btn{transform:none}
      .skew-btn > span{transform:none}
      .skew-btn:hover{transform:translateY(-1px)}
    }

/* roulang page: category2 */
:root{
      --bg:#101014;
      --bg-2:#17171d;
      --panel:#1f1f28;
      --panel-soft:rgba(255,255,255,.06);
      --text:#FAFAF7;
      --muted:#A7A7AD;
      --wood:#F6E6C8;
      --ink:#171717;
      --flame:#FF6A00;
      --ember:#E5383B;
      --mint:#20E3B2;
      --line:rgba(255,255,255,.12);
      --line-dark:rgba(16,16,20,.16);
      --radius:24px;
      --radius-lg:34px;
      --shadow:0 28px 80px rgba(0,0,0,.34);
      --shadow-warm:0 20px 55px rgba(23,23,23,.18);
      --container:1200px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 6%, rgba(255,106,0,.22), transparent 28rem),
        radial-gradient(circle at 92% 16%, rgba(32,227,178,.13), transparent 24rem),
        linear-gradient(180deg,#101014 0%,#15151b 52%,#0d0d10 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:var(--flame);color:#fff}
    :focus-visible{outline:3px solid rgba(32,227,178,.72);outline-offset:4px;border-radius:14px}
    .container{width:min(100% - 32px,var(--container));margin-inline:auto}
    .score-strip{
      position:relative;
      background:linear-gradient(90deg,#ff6a00 0%,#e5383b 54%,#ff6a00 100%);
      color:#fff;
      overflow:hidden;
    }
    .score-strip:before{
      content:"";
      position:absolute;inset:0;
      background:repeating-linear-gradient(110deg,rgba(255,255,255,.18) 0 1px,transparent 1px 18px);
      opacity:.4;
      pointer-events:none;
    }
    .time-box{
      display:inline-flex;align-items:center;justify-content:center;
      min-width:34px;height:28px;padding:0 8px;
      border:1px solid rgba(255,255,255,.26);
      background:rgba(0,0,0,.35);
      border-radius:8px;
      font-weight:900;
      letter-spacing:.08em;
      font-variant-numeric:tabular-nums;
    }
    .site-header{
      position:sticky;top:0;z-index:50;
      border-bottom:1px solid rgba(255,106,0,.34);
      background:rgba(12,12,16,.82);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .logo-mark{
      box-shadow:0 16px 40px rgba(255,106,0,.26);
      transform:skew(-6deg);
    }
    .nav-pill{
      color:rgba(255,255,255,.72);
      border:1px solid transparent;
      transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
    }
    .nav-pill:hover{
      color:#fff;
      background:rgba(255,255,255,.08);
      border-color:rgba(255,106,0,.42);
      transform:translateY(-1px);
    }
    .nav-pill.active{
      color:#101014;
      background:linear-gradient(135deg,var(--wood),#fff6df);
      border-color:rgba(255,255,255,.55);
      box-shadow:0 10px 28px rgba(246,230,200,.16);
    }
    .menu-panel{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s var(--ease),opacity .22s var(--ease);
      opacity:0;
    }
    .menu-panel.open{max-height:420px;opacity:1}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
      min-height:46px;padding:.82rem 1.15rem;
      border-radius:999px;
      font-weight:900;
      line-height:1;
      transition:transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--flame),var(--ember));
      box-shadow:0 18px 46px rgba(255,106,0,.28);
      border:1px solid rgba(255,255,255,.16);
      clip-path:polygon(12px 0,100% 0,calc(100% - 12px) 100%,0 100%);
      border-radius:0;
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 24px 64px rgba(229,56,59,.34)}
    .btn-secondary{
      color:var(--wood);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(246,230,200,.34);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(246,230,200,.12);border-color:var(--mint)}
    .badge{
      display:inline-flex;align-items:center;gap:.5rem;
      min-height:32px;padding:.42rem .75rem;border-radius:999px;
      font-size:.82rem;font-weight:800;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      color:rgba(255,255,255,.82);
    }
    .badge-dot:before{
      content:"";width:.55rem;height:.55rem;border-radius:999px;background:var(--mint);
      box-shadow:0 0 0 5px rgba(32,227,178,.12);
    }
    .hero{
      position:relative;
      padding:68px 0 48px;
      overflow:hidden;
      isolation:isolate;
    }
    .hero:before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(115deg,transparent 0 58%,rgba(255,106,0,.18) 58% 65%,transparent 65%),
        radial-gradient(circle at 50% -10%,rgba(246,230,200,.09),transparent 25rem);
      z-index:-2;
    }
    .court-lines{
      position:absolute;right:-90px;top:38px;width:520px;height:520px;border:2px solid rgba(246,230,200,.12);border-radius:50%;
      z-index:-1;
    }
    .court-lines:before,.court-lines:after{content:"";position:absolute;border:2px solid rgba(246,230,200,.10)}
    .court-lines:before{inset:80px;border-radius:50%}
    .court-lines:after{left:120px;top:190px;width:260px;height:130px;border-radius:999px}
    .deal-card{
      border:1px solid rgba(255,255,255,.12);
      background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.04));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .deal-card .top{
      background:linear-gradient(90deg,rgba(255,106,0,.95),rgba(229,56,59,.94));
      color:#fff;
      border-bottom:1px solid rgba(255,255,255,.16);
    }
    .panel-card{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      border-radius:var(--radius);
      box-shadow:0 18px 55px rgba(0,0,0,.20);
      transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
    }
    .panel-card:hover{transform:translateY(-3px);border-color:rgba(32,227,178,.42);background:rgba(255,255,255,.075);box-shadow:var(--shadow)}
    .section{padding:72px 0}
    .section-wood{
      background:
        linear-gradient(90deg,rgba(23,23,23,.045) 1px,transparent 1px),
        linear-gradient(180deg,#f6e6c8,#fff0d4);
      background-size:38px 38px,auto;
      color:var(--ink);
    }
    .section-dark{background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.00))}
    .kicker{
      display:inline-flex;align-items:center;gap:.55rem;
      color:var(--mint);
      font-size:.78rem;
      font-weight:900;
      letter-spacing:.22em;
      text-transform:uppercase;
    }
    .kicker:before{content:"";width:28px;height:3px;background:var(--flame);border-radius:999px}
    .device-chip{
      display:inline-flex;align-items:center;justify-content:center;
      height:44px;padding:0 1rem;border-radius:999px;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.06);
      color:rgba(255,255,255,.78);
      font-weight:850;
      transition:.22s var(--ease);
    }
    .device-chip:hover,.device-chip.active{color:#101014;background:var(--mint);border-color:var(--mint);transform:translateY(-1px)}
    .trouble-card{
      position:relative;
      padding:1.25rem;
      border-radius:26px;
      background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
      border:1px solid rgba(255,255,255,.12);
      overflow:hidden;
    }
    .trouble-card:after{
      content:attr(data-no);
      position:absolute;right:16px;top:8px;
      color:rgba(246,230,200,.08);
      font-size:4.4rem;font-weight:1000;line-height:1;
    }
    .status{
      display:inline-flex;align-items:center;gap:.42rem;
      padding:.28rem .58rem;border-radius:999px;
      font-size:.72rem;font-weight:900;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(0,0,0,.22);
    }
    .status:before{content:"";width:.48rem;height:.48rem;border-radius:50%;background:var(--mint)}
    .status.warn:before{background:var(--flame)}
    .compare-card{
      border-radius:30px;
      border:2px solid rgba(23,23,23,.14);
      background:rgba(255,255,255,.66);
      box-shadow:var(--shadow-warm);
      overflow:hidden;
    }
    .compare-head{
      display:flex;align-items:center;justify-content:space-between;gap:1rem;
      background:#101014;color:#fff;
      padding:1rem 1.1rem;
    }
    .compare-list li{
      display:flex;gap:.75rem;align-items:flex-start;
      padding:.85rem 0;
      border-bottom:1px dashed rgba(23,23,23,.15);
      color:rgba(23,23,23,.78);
    }
    .compare-list li:last-child{border-bottom:0}
    .check{
      flex:0 0 auto;width:22px;height:22px;border-radius:50%;
      display:inline-flex;align-items:center;justify-content:center;
      background:var(--mint);color:#101014;font-weight:1000;font-size:.8rem;margin-top:.12rem;
    }
    .notice-banner{
      position:relative;
      border-radius:34px;
      background:linear-gradient(135deg,var(--ember),var(--flame));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .notice-banner:before{
      content:"";
      position:absolute;inset:0;
      background:repeating-linear-gradient(135deg,rgba(255,255,255,.18) 0 1px,transparent 1px 22px);
      opacity:.35;
    }
    .faq-item{
      border:1px solid rgba(255,255,255,.12);
      border-radius:22px;
      background:rgba(255,255,255,.055);
      overflow:hidden;
      transition:border-color .22s var(--ease),background .22s var(--ease);
    }
    .faq-item.active{border-color:rgba(32,227,178,.45);background:rgba(32,227,178,.07)}
    .faq-q{
      width:100%;
      min-height:64px;
      padding:1.05rem 1.15rem;
      display:flex;align-items:center;justify-content:space-between;gap:1rem;
      text-align:left;font-weight:900;color:#fff;
    }
    .faq-a{
      display:none;
      padding:0 1.15rem 1.15rem;
      color:rgba(255,255,255,.68);
      line-height:1.85;
      border-left:4px solid var(--flame);
      margin-left:1.15rem;
    }
    .faq-item.active .faq-a{display:block}
    .faq-icon{transition:transform .22s var(--ease);color:var(--mint);font-weight:1000}
    .faq-item.active .faq-icon{transform:rotate(45deg)}
    .cta-block{
      border-radius:38px;
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(125deg,rgba(255,106,0,.24),rgba(229,56,59,.16) 46%,rgba(32,227,178,.10)),
        rgba(255,255,255,.05);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .footer-link{
      color:rgba(255,255,255,.66);
      transition:color .2s var(--ease),transform .2s var(--ease);
    }
    .footer-link:hover{color:#fff;transform:translateX(3px)}
    @media (max-width:1024px){
      .hero{padding:52px 0 36px}
      .court-lines{right:-230px;top:120px}
      .section{padding:58px 0}
    }
    @media (max-width:768px){
      .container{width:min(100% - 24px,var(--container))}
      .btn{width:100%;min-height:48px}
      .score-strip .container{width:min(100% - 18px,var(--container))}
      .device-chip{height:42px;flex:0 0 auto}
      .compare-head{align-items:flex-start;flex-direction:column}
      .notice-banner,.cta-block{border-radius:28px}
    }
    @media (max-width:520px){
      body{line-height:1.65}
      .hero{padding-top:40px}
      .panel-card,.trouble-card{border-radius:22px}
      .deal-card{border-radius:28px}
      .time-box{min-width:30px;height:26px}
    }

/* roulang page: category1 */
:root{
      --bg:#101014;
      --panel:#17171d;
      --panel-2:#202028;
      --court:#F6E6C8;
      --flame:#FF6A00;
      --ember:#E5383B;
      --mint:#20E3B2;
      --text:#FAFAF7;
      --muted:#A7A7AD;
      --ink:#171717;
      --line:rgba(255,255,255,.12);
      --line-dark:rgba(16,16,20,.18);
      --radius:24px;
      --radius-lg:34px;
      --shadow:0 24px 70px rgba(0,0,0,.38);
      --glow:0 20px 60px rgba(255,106,0,.24);
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      background:
        radial-gradient(circle at 10% 0%, rgba(255,106,0,.22), transparent 30%),
        radial-gradient(circle at 86% 18%, rgba(32,227,178,.12), transparent 28%),
        linear-gradient(180deg, #101014 0%, #15151a 42%, #101014 100%);
      color:var(--text);
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(255,106,0,.55);color:#fff}
    .container{width:min(1240px, calc(100% - 32px));margin-inline:auto}
    .top-strip{
      background:linear-gradient(90deg, var(--ember), var(--flame) 52%, #ff9a2f);
      color:#fff;
      border-bottom:1px solid rgba(255,255,255,.18);
    }
    .score-box{
      display:inline-flex;align-items:center;justify-content:center;
      min-width:34px;height:28px;padding:0 8px;border-radius:9px;
      background:#111;color:#fff;font-weight:900;letter-spacing:.08em;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.15);
    }
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(10,10,14,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,106,0,.45);
    }
    .brand-mark{
      position:relative;
      box-shadow:0 14px 32px rgba(255,106,0,.28);
    }
    .brand-mark:after{
      content:"";position:absolute;inset:9px;border:2px solid rgba(255,255,255,.38);border-radius:999px;
    }
    .nav-pill{
      color:rgba(255,255,255,.72);
      border:1px solid transparent;
      transition:transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
    }
    .nav-pill:hover{
      color:#fff;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);
      transform:translateY(-1px);
    }
    .nav-pill.active{
      color:#111;background:linear-gradient(135deg,var(--court),#fff5dc);
      border-color:rgba(255,106,0,.5);
      box-shadow:0 8px 30px rgba(246,230,200,.16);
    }
    .header-cta,.btn-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
      border-radius:999px;padding:.78rem 1.15rem;
      font-weight:900;color:#fff;
      background:linear-gradient(135deg,var(--flame),var(--ember));
      border:1px solid rgba(255,255,255,.18);
      box-shadow:var(--glow);
      transition:transform .22s var(--ease), filter .22s var(--ease), border-color .22s var(--ease);
      clip-path:polygon(10px 0,100% 0,calc(100% - 10px) 100%,0 100%);
    }
    .header-cta:hover,.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);border-color:var(--mint)}
    .btn-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
      border-radius:999px;padding:.78rem 1.15rem;
      font-weight:900;color:var(--court);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(246,230,200,.34);
      transition:all .22s var(--ease);
    }
    .btn-secondary:hover{background:var(--court);color:#111;transform:translateY(-2px)}
    .mobile-panel{
      display:none;border-top:1px solid rgba(255,255,255,.1);
      background:rgba(12,12,16,.96);
    }
    .mobile-panel.open{display:block}
    .mobile-link{
      display:flex;align-items:center;justify-content:space-between;
      padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.08);
      color:rgba(255,255,255,.74);font-weight:800;
    }
    .mobile-link.active{color:var(--mint)}
    .hero{
      position:relative;overflow:hidden;
      padding:54px 0 72px;
      background:
        linear-gradient(120deg,rgba(16,16,20,.94),rgba(16,16,20,.72)),
        radial-gradient(circle at 18% 30%,rgba(255,106,0,.24),transparent 34%);
    }
    .hero:before{
      content:"";position:absolute;inset:-120px -80px auto auto;width:520px;height:520px;
      border:2px solid rgba(246,230,200,.12);border-radius:50%;
    }
    .hero:after{
      content:"";position:absolute;right:-140px;bottom:-180px;width:520px;height:360px;
      background:linear-gradient(135deg,rgba(255,106,0,.9),rgba(229,56,59,.82));
      transform:skewX(-16deg) rotate(-6deg);
      filter:blur(.2px);opacity:.5;
    }
    .section{padding:72px 0}
    .section-tight{padding:48px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:10px;
      padding:8px 12px;border-radius:999px;
      background:rgba(255,106,0,.12);
      border:1px solid rgba(255,106,0,.35);
      color:#ffd8b4;font-size:13px;font-weight:900;letter-spacing:.12em;
    }
    .status-dot{width:9px;height:9px;border-radius:999px;background:var(--mint);box-shadow:0 0 18px rgba(32,227,178,.9)}
    .trust-bar{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
      backdrop-filter:blur(12px);
    }
    .filter-pill{
      white-space:nowrap;border-radius:999px;padding:10px 15px;
      background:rgba(16,16,20,.9);color:var(--court);
      border:1px solid rgba(255,106,0,.3);
      font-weight:900;font-size:14px;
      transition:all .2s var(--ease);
    }
    .filter-pill:hover,.filter-pill.active{background:var(--flame);color:#fff;border-color:var(--mint);transform:translateY(-1px)}
    .court-section{
      background:
        linear-gradient(90deg,rgba(16,16,20,.08) 1px,transparent 1px),
        linear-gradient(0deg,rgba(16,16,20,.06) 1px,transparent 1px),
        var(--court);
      background-size:42px 42px;
      color:var(--ink);
    }
    .bento-card{
      position:relative;overflow:hidden;border-radius:var(--radius);
      border:2px solid rgba(16,16,20,.88);
      background:#fff8e8;
      box-shadow:var(--shadow), 7px 7px 0 rgba(16,16,20,.9);
      transition:transform .24s var(--ease), box-shadow .24s var(--ease);
    }
    .bento-card:hover{transform:translateY(-4px);box-shadow:0 30px 70px rgba(16,16,20,.24), 10px 10px 0 rgba(16,16,20,.94)}
    .bento-card.dark{
      background:linear-gradient(145deg,#17171d,#0f0f13);
      color:#fff;border-color:rgba(255,106,0,.72);
      box-shadow:0 24px 70px rgba(0,0,0,.32), 7px 7px 0 rgba(255,106,0,.75);
    }
    .corner-tag{
      position:absolute;right:0;top:0;
      padding:8px 14px;background:linear-gradient(135deg,var(--ember),var(--flame));
      color:#fff;font-size:12px;font-weight:900;
      clip-path:polygon(12px 0,100% 0,100% 100%,0 100%);
    }
    .step-card{
      border-radius:28px;border:1px solid rgba(255,255,255,.12);
      background:linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
      box-shadow:0 24px 60px rgba(0,0,0,.26);
      transition:transform .2s var(--ease), border-color .2s var(--ease);
    }
    .step-card:hover{transform:translateY(-3px);border-color:rgba(32,227,178,.55)}
    .step-number{
      font-size:54px;line-height:1;font-weight:1000;letter-spacing:-.08em;
      color:transparent;-webkit-text-stroke:1.4px rgba(255,106,0,.85);
    }
    .compare-card{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      border-radius:30px;
      overflow:hidden;
    }
    .compare-head{
      background:linear-gradient(135deg,rgba(255,106,0,.95),rgba(229,56,59,.92));
      color:#fff;font-weight:1000;
    }
    .check-item{
      display:flex;gap:12px;align-items:flex-start;
      padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08);
      color:rgba(255,255,255,.76);
    }
    .check-item:last-child{border-bottom:0}
    .check-icon{
      flex:0 0 auto;width:24px;height:24px;border-radius:50%;
      display:flex;align-items:center;justify-content:center;
      background:rgba(32,227,178,.14);color:var(--mint);font-weight:900;
      border:1px solid rgba(32,227,178,.36);
    }
    .mini-form{
      border-radius:30px;border:1px solid rgba(246,230,200,.18);
      background:linear-gradient(145deg,rgba(246,230,200,.1),rgba(255,255,255,.035));
    }
    .select-field{
      width:100%;min-height:48px;border-radius:16px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.13);
      color:#fff;padding:0 14px;outline:none;
      transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
    }
    .select-field:focus{border-color:var(--mint);box-shadow:0 0 0 4px rgba(32,227,178,.12)}
    .select-field option{background:#15151a;color:#fff}
    .faq-item{
      border-radius:22px;border:1px solid rgba(255,255,255,.11);
      background:rgba(255,255,255,.055);
      overflow:hidden;
      transition:border-color .2s var(--ease), background .2s var(--ease);
    }
    .faq-item.open{border-color:rgba(255,106,0,.55);background:rgba(255,106,0,.075)}
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:18px 20px;text-align:left;font-weight:900;color:#fff;
    }
    .faq-answer{display:none;padding:0 20px 20px;color:rgba(255,255,255,.72);line-height:1.85}
    .faq-item.open .faq-answer{display:block}
    .faq-plus{color:var(--mint);font-size:22px;font-weight:900;transition:transform .2s var(--ease)}
    .faq-item.open .faq-plus{transform:rotate(45deg);color:var(--flame)}
    .cta-band{
      position:relative;overflow:hidden;border-radius:38px;
      background:linear-gradient(135deg,var(--flame),var(--ember) 58%,#ff9a2f);
      color:#fff;box-shadow:var(--glow);
    }
    .cta-band:before{
      content:"";position:absolute;inset:auto -90px -150px auto;width:360px;height:360px;
      border:2px solid rgba(255,255,255,.2);border-radius:50%;
    }
    .footer-link{
      color:rgba(255,255,255,.66);
      transition:color .18s var(--ease), transform .18s var(--ease);
    }
    .footer-link:hover{color:var(--mint);transform:translateX(3px)}
    @media (max-width:1023px){
      .hero{padding:42px 0 56px}
      .section{padding:56px 0}
      .header-cta{clip-path:none}
    }
    @media (max-width:768px){
      .container{width:min(100% - 24px, 1240px)}
      .hero:after{opacity:.28;width:360px;height:260px}
      .bento-card{box-shadow:0 18px 42px rgba(16,16,20,.2), 5px 5px 0 rgba(16,16,20,.85)}
      .step-number{font-size:44px}
      .cta-band{border-radius:28px}
    }
    @media (max-width:520px){
      .top-strip .container{width:min(100% - 18px,1240px)}
      .btn-primary,.btn-secondary{width:100%;clip-path:none}
      .filter-row{overflow-x:auto;padding-bottom:8px}
      .score-box{min-width:30px;height:26px}
    }