/* roulang page: index */
:root{
      --sidebar: 252px;
      --bg:#F3F6EF;
      --card:#ffffff;
      --soft:#FBFAF3;
      --ink:#10231A;
      --muted:#6B7B71;
      --line:#DDE7D6;
      --brand:#16A34A;
      --brand-dark:#0F7A37;
      --mint:#22D3A6;
      --amber:#F59E0B;
      --violet:#7C3AED;
      --shadow:0 16px 40px rgba(16,35,26,.08);
      --shadow-card:0 12px 30px rgba(16,35,26,.06);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:
        radial-gradient(circle at top right, rgba(34,211,166,.10), transparent 30%),
        radial-gradient(circle at left bottom, rgba(22,163,74,.06), transparent 28%),
        var(--bg);
      font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }
    a{text-decoration:none}
    img{display:block;max-width:100%}
    .app-shell{
      min-height:100vh;
    }
    .sidebar{
      width:var(--sidebar);
      background:rgba(251,250,243,.92);
      backdrop-filter: blur(12px);
      border-right:1px solid rgba(16,35,26,.08);
      position:fixed;
      inset:0 auto 0 0;
      z-index:40;
    }
    .main-wrap{
      margin-left:var(--sidebar);
      min-height:100vh;
    }
    .shell-card{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(16,35,26,.08);
      box-shadow:var(--shadow-card);
      border-radius:24px;
    }
    .nav-link{
      position:relative;
      display:flex;
      align-items:center;
      gap:.85rem;
      padding:.82rem 1rem;
      border-radius:16px;
      color:#244033;
      transition:.25s ease;
      border:1px solid transparent;
    }
    .nav-link:hover{
      background:rgba(22,163,74,.08);
      border-color:rgba(22,163,74,.14);
      transform:translateX(2px);
    }
    .nav-link.active{
      background:linear-gradient(135deg, rgba(22,163,74,.14), rgba(34,211,166,.08));
      color:#0E6B33;
      border-color:rgba(22,163,74,.18);
      box-shadow: inset 0 0 0 1px rgba(22,163,74,.10);
    }
    .nav-dot{
      width:10px;height:10px;border-radius:999px;background:#d3e5d7;flex:none;
    }
    .nav-link.active .nav-dot{background:var(--brand); box-shadow:0 0 0 5px rgba(22,163,74,.12)}
    .brand-mark{
      width:46px;height:46px;border-radius:14px;
      background:
        linear-gradient(145deg, rgba(22,163,74,.18), rgba(34,211,166,.08));
      position:relative;
      border:1px solid rgba(22,163,74,.14);
      overflow:hidden;
    }
    .brand-mark:before{
      content:"";
      position:absolute; inset:9px;
      border:2px solid rgba(16,35,26,.22);
      border-radius:50%;
    }
    .brand-mark:after{
      content:"";
      position:absolute; left:18px; top:14px;
      width:0;height:0;
      border-left:14px solid var(--brand);
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      filter:drop-shadow(0 2px 6px rgba(22,163,74,.25));
    }
    .section-title{
      letter-spacing:-.02em;
    }
    .hero-panel{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      background:
        linear-gradient(180deg, rgba(247,245,236,.88), rgba(255,255,255,.94)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border:1px solid rgba(16,35,26,.08);
      box-shadow:var(--shadow);
    }
    .pitch-lines:before,
    .pitch-lines:after{
      content:"";
      position:absolute;
      border:1px solid rgba(22,163,74,.15);
      border-radius:999px;
      pointer-events:none;
    }
    .pitch-lines:before{width:420px;height:420px;right:-120px;top:-120px}
    .pitch-lines:after{width:260px;height:260px;left:-80px;bottom:-80px}
    .badge{
      display:inline-flex;align-items:center;gap:.5rem;
      padding:.45rem .85rem;border-radius:999px;
      background:rgba(22,163,74,.08);
      border:1px solid rgba(22,163,74,.14);
      color:#0E6B33;font-weight:600;font-size:.875rem;
    }
    .btn-main,.btn-sub{
      min-height:48px;
      border-radius:999px;
      padding:.9rem 1.25rem;
      font-weight:700;
      transition:.25s ease;
      display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
    }
    .btn-main{
      background:linear-gradient(180deg, var(--brand), var(--brand-dark));
      color:#fff;
      box-shadow:0 14px 28px rgba(22,163,74,.18);
    }
    .btn-main:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(22,163,74,.22)}
    .btn-sub{
      background:#fff;
      color:var(--ink);
      border:1px solid rgba(22,163,74,.18);
    }
    .btn-sub:hover{background:#F1F8F2;border-color:rgba(22,163,74,.28);transform:translateY(-1px)}
    .mini-stat,.feature-card,.review-card,.faq-item,.plan-card,.case-card,.article-card,.scene-card,.control-card{
      transition:.28s ease;
    }
    .mini-stat:hover,.feature-card:hover,.review-card:hover,.faq-item:hover,.plan-card:hover,.case-card:hover,.article-card:hover,.scene-card:hover,.control-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
      border-color:rgba(22,163,74,.18);
    }
    .score-bar{
      background:linear-gradient(90deg, rgba(22,163,74,.12), rgba(34,211,166,.08));
      border:1px solid rgba(22,163,74,.12);
    }
    .faq-answer{display:none}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-plus{transform:rotate(45deg)}
    .mobile-top{display:none}
    .mobile-drawer{
      transform:translateY(-10px);
      opacity:0;
      pointer-events:none;
      transition:.25s ease;
    }
    .mobile-drawer.open{
      transform:translateY(0);
      opacity:1;
      pointer-events:auto;
    }
    .ticker{
      mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
    }
    .review-grid{
      column-count:2;
      column-gap:1.25rem;
    }
    .review-card{break-inside:avoid; margin-bottom:1.25rem}
    .footer-link:hover{color:var(--brand)}
    .bottom-tab{display:none}
    .ring-focus:focus-visible,
    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    textarea:focus-visible{
      outline:none;
      box-shadow:0 0 0 4px rgba(34,211,166,.20);
      border-color:rgba(22,163,74,.35)!important;
    }
    @media (max-width:1279px){
      :root{--sidebar:220px}
    }
    @media (max-width:1023px){
      .sidebar{display:none}
      .main-wrap{margin-left:0}
      .mobile-top{display:block; position:sticky; top:0; z-index:50}
      .review-grid{column-count:1}
    }
    @media (max-width:767px){
      .hero-stack{grid-template-columns:1fr!important}
      .feature-bento,.plans-grid,.cases-grid,.articles-grid,.stats-grid,.scene-grid{grid-template-columns:1fr!important}
      .btn-row{flex-direction:column}
      .bottom-tab{display:grid}
    }

/* roulang page: category1 */
:root{
      --bg:#F7F5EC;
      --panel:#FFFFFF;
      --panel-soft:#FBFAF3;
      --text:#10231A;
      --muted:#5B6B61;
      --brand:#16A34A;
      --brand-dark:#12833B;
      --mint:#22D3A6;
      --warm:#F59E0B;
      --line:rgba(16,35,26,.12);
      --shadow:0 16px 40px rgba(16,35,26,.08);
      --shadow-hover:0 24px 60px rgba(22,163,74,.14);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Arial,sans-serif;
      background:
        radial-gradient(circle at top right, rgba(34,211,166,.10), transparent 22%),
        radial-gradient(circle at left center, rgba(22,163,74,.08), transparent 26%),
        var(--bg);
      color:var(--text);
    }
    a{text-decoration:none;color:inherit}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    .app-shell{
      min-height:100vh;
      display:grid;
      grid-template-columns: 248px minmax(0,1fr);
    }
    .sidebar{
      position:fixed;
      top:0;left:0;bottom:0;
      width:248px;
      padding:22px 18px;
      background:rgba(247,245,236,.88);
      backdrop-filter: blur(16px);
      border-right:1px solid var(--line);
      z-index:50;
    }
    .main-wrap{
      grid-column:2/3;
      min-width:0;
    }
    .content{
      padding:24px;
      max-width:1360px;
    }
    .shell-card{
      background:rgba(255,255,255,.82);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      border-radius:28px;
      backdrop-filter: blur(6px);
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;position:relative;overflow:hidden;
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), transparent 22%),
        linear-gradient(135deg, #22D3A6 0%, #16A34A 60%, #12833B 100%);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.35);
    }
    .brand-mark::before{
      content:"";
      position:absolute;inset:8px;
      border:2px solid rgba(255,255,255,.85);
      border-radius:999px;
    }
    .brand-mark::after{
      content:"";
      position:absolute;left:18px;top:13px;
      border-left:11px solid white;
      border-top:7px solid transparent;
      border-bottom:7px solid transparent;
      filter:drop-shadow(0 2px 4px rgba(0,0,0,.08));
    }
    .nav-link{
      display:flex;align-items:center;gap:12px;
      min-height:48px;
      padding:12px 14px;
      border-radius:16px;
      color:#244334;
      transition:.25s ease;
      border:1px solid transparent;
    }
    .nav-link:hover{
      background:#F3F8F1;
      border-color:rgba(22,163,74,.18);
      transform:translateX(2px);
    }
    .nav-link.active{
      background:linear-gradient(135deg, rgba(22,163,74,.16), rgba(34,211,166,.12));
      border-color:rgba(22,163,74,.24);
      color:#0f5f2d;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.4);
    }
    .nav-dot{
      width:10px;height:10px;border-radius:999px;background:#B8C7BC;flex:none;position:relative;
    }
    .nav-link.active .nav-dot{background:var(--brand);box-shadow:0 0 0 6px rgba(22,163,74,.12)}
    .quick-card{
      background:linear-gradient(180deg,#13271D,#10231A);
      color:#EAF7EE;
      border-radius:24px;
      padding:18px;
      box-shadow:var(--shadow);
      border:1px solid rgba(255,255,255,.08);
    }
    .field-lines{
      position:relative;
      overflow:hidden;
      isolation:isolate;
    }
    .field-lines::before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(to right, transparent 49.6%, rgba(255,255,255,.25) 49.8%, rgba(255,255,255,.25) 50.2%, transparent 50.4%),
        radial-gradient(circle at center, transparent 0 72px, rgba(255,255,255,.22) 72px 74px, transparent 74px),
        linear-gradient(rgba(255,255,255,.18), rgba(255,255,255,.18));
      opacity:.22;
      pointer-events:none;
      z-index:-1;
    }
    .hero-banner{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      background:
        linear-gradient(90deg, rgba(16,35,26,.78), rgba(16,35,26,.48)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero-banner::after{
      content:"";
      position:absolute;right:-80px;top:-40px;
      width:240px;height:240px;border-radius:999px;
      background:radial-gradient(circle, rgba(34,211,166,.22), transparent 70%);
    }
    .hero-chip,.mini-chip{
      display:inline-flex;align-items:center;gap:8px;
      border-radius:999px;border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.08);
      color:#EAF7EE;
      padding:8px 12px;
      font-size:13px;
    }
    .btn-primary,.btn-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      min-height:50px;padding:0 22px;border-radius:999px;
      font-weight:700;transition:.25s ease;border:1px solid transparent;
    }
    .btn-primary{
      background:var(--brand);color:#fff;
      box-shadow:0 12px 26px rgba(22,163,74,.22);
    }
    .btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
    .btn-secondary{
      background:rgba(255,255,255,.9);color:var(--text);border-color:rgba(255,255,255,.35);
    }
    .btn-secondary:hover{background:#F1FAF4;border-color:rgba(22,163,74,.18);transform:translateY(-1px)}
    .card-hover{transition:.28s ease;border:1px solid var(--line)}
    .card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(22,163,74,.24)}
    .section-title{font-size:clamp(1.65rem,1.15rem + 1.4vw,2.3rem);font-weight:800;letter-spacing:-.02em}
    .section-desc{color:var(--muted);line-height:1.9}
    .list-line li{position:relative;padding-left:18px}
    .list-line li::before{
      content:"";position:absolute;left:0;top:.78em;width:8px;height:8px;border-radius:999px;background:var(--brand)
    }
    .score-card{
      background:linear-gradient(180deg,#FFFFFF,#F9FCF8);
      border:1px solid rgba(22,163,74,.14);
      border-radius:24px;
      box-shadow:var(--shadow);
    }
    .pill{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:#F2F7F1;border:1px solid rgba(22,163,74,.12);
      color:#345342;font-size:13px;font-weight:600;
    }
    .faq-item summary{
      list-style:none;cursor:pointer;padding:22px 24px;font-weight:700;position:relative;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      position:absolute;right:22px;top:18px;font-size:28px;line-height:1;color:#3B5A47;transition:.2s ease;
    }
    .faq-item[open] summary::after{transform:rotate(45deg);color:var(--brand)}
    .faq-answer{padding:0 24px 22px;color:var(--muted);line-height:1.9}
    .footer-link:hover{color:var(--brand)}
    .mobile-top{display:none}
    .drawer{
      position:fixed;inset:64px 16px auto 16px;z-index:60;
      background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:24px;
      box-shadow:var(--shadow-hover);padding:14px;display:none;
    }
    .drawer.open{display:block}
    .mobile-tab{
      position:fixed;left:14px;right:14px;bottom:14px;z-index:45;
      display:none;
      background:rgba(255,255,255,.94);backdrop-filter:blur(14px);
      border:1px solid var(--line);border-radius:20px;padding:10px 8px;
      box-shadow:var(--shadow);
    }
    .bottom-link{
      flex:1;text-align:center;padding:10px 6px;border-radius:14px;color:#3A5445;font-weight:700;font-size:13px;
    }
    .bottom-link.active{background:#EDF8F0;color:#0d6c31}
    .data-grid{
      display:grid;grid-template-columns:1.1fr .9fr;gap:24px;
    }
    .grass-strip{
      background:
       linear-gradient(180deg, rgba(22,163,74,.08), rgba(34,211,166,.02)),
       repeating-linear-gradient(90deg, rgba(22,163,74,.09) 0 28px, rgba(22,163,74,.04) 28px 56px);
    }
    .ranking-bar{height:10px;border-radius:999px;background:#E8F2E9;overflow:hidden}
    .ranking-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#16A34A,#22D3A6)}
    .image-mask{
      position:relative;overflow:hidden;border-radius:26px;
    }
    .image-mask::after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(180deg, transparent 30%, rgba(16,35,26,.18));
      pointer-events:none;
    }
    :focus-visible{outline:3px solid rgba(34,211,166,.45);outline-offset:2px;border-radius:14px}
    @media (max-width:1279px){
      .app-shell{grid-template-columns:96px minmax(0,1fr)}
      .sidebar{width:96px;padding:18px 12px}
      .sidebar .brand-copy,.sidebar .nav-text,.sidebar .quick-copy{display:none}
      .nav-link{justify-content:center;padding:12px}
      .quick-card{padding:14px}
      .content{padding:20px}
    }
    @media (max-width:1023px){
      .app-shell{display:block}
      .sidebar{display:none}
      .main-wrap{grid-column:auto}
      .mobile-top{display:flex}
      .content{padding:16px;max-width:none}
      .data-grid{grid-template-columns:1fr}
      .hero-stack{grid-template-columns:1fr!important}
    }
    @media (max-width:767px){
      .mobile-tab{display:flex}
      .hero-banner{border-radius:26px}
      .section-gap{padding-top:56px;padding-bottom:56px}
    }
    @media (max-width:520px){
      .btn-primary,.btn-secondary{width:100%}
      .hero-actions{display:grid!important;grid-template-columns:1fr;gap:12px}
      .content{padding:12px}
    }

/* roulang page: category4 */
:root{
      --brand:#159947;
      --brand-deep:#10773a;
      --ink:#10231A;
      --text:#20352b;
      --muted:#647067;
      --bg:#F3F6EF;
      --bg-soft:#F7F5EC;
      --card:#FFFFFF;
      --line:#DDE7D6;
      --aqua:#22D3A6;
      --amber:#F59E0B;
      --amber-soft:#FFF3D6;
      --radius:24px;
      --radius-lg:32px;
      --shadow:0 16px 40px rgba(16,35,26,.08);
      --shadow-hover:0 22px 48px rgba(16,35,26,.12);
    }
    *{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 20% 0%, rgba(34,211,166,.10), transparent 26%),
        radial-gradient(circle at 100% 10%, rgba(245,158,11,.12), transparent 24%),
        linear-gradient(180deg,#f7f8f1 0%, #f2f5ee 100%);
    }
    a{text-decoration:none;color:inherit}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(21,153,71,.22);outline-offset:2px;border-radius:14px}
    .app-shell{min-height:100vh}
    .sidebar{
      width:260px;
      background:rgba(255,255,255,.78);
      backdrop-filter:blur(14px);
      border-right:1px solid rgba(16,35,26,.08);
      box-shadow:0 0 0 1px rgba(255,255,255,.4) inset;
    }
    .main-wrap{margin-left:260px;min-height:100vh}
    .container-wide{max-width:1320px;margin:0 auto;padding:28px}
    .brand-mark{
      width:44px;height:44px;border-radius:14px;position:relative;
      background:
        radial-gradient(circle at 50% 50%, rgba(255,255,255,.9) 0 22%, transparent 23%),
        linear-gradient(135deg,#1cc46a 0%,#118542 100%);
      box-shadow:inset 0 0 0 2px rgba(255,255,255,.4), 0 10px 24px rgba(21,153,71,.18);
    }
    .brand-mark::before{
      content:"";
      position:absolute;inset:9px;border:2px solid rgba(255,255,255,.78);border-radius:12px;
    }
    .brand-mark::after{
      content:"";
      position:absolute;right:10px;top:13px;
      border-left:11px solid white;border-top:7px solid transparent;border-bottom:7px solid transparent;
      filter:drop-shadow(0 2px 3px rgba(0,0,0,.12));
    }
    .shell-card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(16,35,26,.08);
      border-radius:28px;
      box-shadow:var(--shadow);
    }
    .nav-link{
      display:flex;align-items:center;gap:12px;
      padding:14px 16px;border-radius:18px;color:#385044;
      border:1px solid transparent;
      transition:.25s ease;
    }
    .nav-link:hover{background:#f3f9f1;border-color:#d5e9d8;color:var(--ink);transform:translateX(2px)}
    .nav-link.active{background:linear-gradient(135deg,#eaf8ee,#f4fff8);border-color:#cce7d2;color:var(--ink);box-shadow:inset 0 0 0 1px rgba(21,153,71,.08)}
    .nav-dot{
      width:10px;height:10px;border-radius:999px;background:#bed4c2;position:relative;flex:none;
      box-shadow:0 0 0 4px rgba(21,153,71,.08);
    }
    .nav-link.active .nav-dot{background:var(--brand)}
    .footer-link:hover{color:var(--brand)}
    .topbar{
      position:sticky;top:0;z-index:40;
      background:rgba(247,245,236,.72);
      backdrop-filter:blur(12px);
      border-bottom:1px solid rgba(16,35,26,.08);
    }
    .hero-panel{
      position:relative;overflow:hidden;border-radius:32px;
      background:
        linear-gradient(120deg, rgba(247,245,236,.92), rgba(255,255,255,.86)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border:1px solid rgba(16,35,26,.08);
      box-shadow:var(--shadow);
    }
    .hero-panel::before{
      content:"";
      position:absolute;inset:0;
      background:
        radial-gradient(circle at 12% 18%, rgba(245,158,11,.16), transparent 22%),
        radial-gradient(circle at 88% 20%, rgba(34,211,166,.14), transparent 20%),
        linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.06));
      pointer-events:none;
    }
    .section-title{color:var(--ink);font-weight:800;letter-spacing:-.02em}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 14px;border-radius:999px;
      background:#eef9f0;border:1px solid #d7ebdc;color:#1a6c3d;
      font-size:13px;font-weight:700;
    }
    .eyebrow.amber{background:#fff7e5;border-color:#f7deab;color:#9a6500}
    .btn-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:14px 22px;border-radius:999px;background:var(--brand);color:white;font-weight:700;
      box-shadow:0 14px 30px rgba(21,153,71,.22);transition:.25s ease;border:1px solid transparent;
    }
    .btn-primary:hover{transform:translateY(-2px);background:var(--brand-deep);box-shadow:0 18px 34px rgba(21,153,71,.28)}
    .btn-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:14px 22px;border-radius:999px;background:#fff;color:var(--ink);font-weight:700;
      border:1px solid #d7e5d9;transition:.25s ease;
    }
    .btn-secondary:hover{background:#eef9f0;border-color:#c8dfce;transform:translateY(-2px)}
    .info-card,.rank-card,.topic-card,.faq-item,.cta-card,.editor-card,.signal-card{
      background:rgba(255,255,255,.90);
      border:1px solid rgba(16,35,26,.08);
      border-radius:24px;
      box-shadow:var(--shadow);
      transition:.25s ease;
    }
    .info-card:hover,.rank-card:hover,.topic-card:hover,.editor-card:hover,.signal-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(21,153,71,.22);
    }
    .metric-pill{
      padding:8px 12px;border-radius:999px;background:#fbfaf3;border:1px solid rgba(16,35,26,.08);
      font-size:13px;font-weight:700;color:#4e5d54;
    }
    .story-cover{
      border-radius:24px;overflow:hidden;position:relative;min-height:280px;
      border:1px solid rgba(16,35,26,.08);
      background:#ece8da;
    }
    .story-cover img{width:100%;height:100%;object-fit:cover}
    .story-cover::after{
      content:"";
      position:absolute;inset:0;background:linear-gradient(180deg, transparent 25%, rgba(16,35,26,.72) 100%);
    }
    .story-overlay{position:absolute;left:0;right:0;bottom:0;padding:26px;color:#fff;z-index:2}
    .data-bar{height:10px;border-radius:999px;background:#edf2e7;overflow:hidden}
    .data-bar > span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--aqua))}
    .news-chip{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:#fff;border:1px solid rgba(16,35,26,.08);font-size:13px;font-weight:700;color:#415046;
    }
    .faq-item summary{
      list-style:none;cursor:pointer;padding:22px 24px;font-weight:800;color:var(--ink);
      display:flex;align-items:center;justify-content:space-between;gap:16px;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item .faq-body{padding:0 24px 22px;color:#56665c;line-height:1.9}
    .faq-icon{
      width:34px;height:34px;border-radius:999px;background:#eef9f0;border:1px solid #d7ebdc;
      display:inline-flex;align-items:center;justify-content:center;color:#1e7a46;font-weight:900;flex:none;
    }
    .mobile-bottom{
      display:none;
      position:fixed;bottom:12px;left:12px;right:12px;z-index:50;
      background:rgba(255,255,255,.95);backdrop-filter:blur(12px);
      border:1px solid rgba(16,35,26,.08);border-radius:22px;box-shadow:var(--shadow);
    }
    .mobile-bottom a{padding:12px 10px;text-align:center;font-size:12px;font-weight:800;color:#506056}
    .mobile-bottom a.active{color:var(--brand)}
    .tag-accent{
      position:relative;padding-left:16px;
    }
    .tag-accent::before{
      content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:999px;background:var(--amber);
      box-shadow:0 0 0 6px rgba(245,158,11,.12);
    }
    @media (max-width: 1279px){
      .sidebar{width:96px}
      .main-wrap{margin-left:96px}
      .sidebar .brand-text,.sidebar .night-box p,.sidebar .night-box .text-sm,.sidebar .nav-link span.font-semibold{display:none}
      .sidebar .nav-link{justify-content:center;padding:14px 0}
      .sidebar .nav-dot{margin:0}
    }
    @media (max-width: 1023px){
      .sidebar{display:none}
      .main-wrap{margin-left:0}
      .mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr)}
      .container-wide{padding:18px}
    }
    @media (max-width: 767px){
      .hero-panel{border-radius:24px}
      .shell-card,.info-card,.rank-card,.topic-card,.faq-item,.cta-card,.editor-card,.signal-card{border-radius:20px}
      .story-cover{min-height:240px;border-radius:20px}
    }

/* roulang page: category2 */
:root{
      --bg:#F7F5EC;
      --bg-soft:#FBFAF3;
      --panel:#FFFFFF;
      --text:#10231A;
      --muted:#5A6A62;
      --line:#DDE7D6;
      --green:#16A34A;
      --green-dark:#127A39;
      --mint:#22D3A6;
      --orange:#F59E0B;
      --orange-deep:#E57D00;
      --purple:#7C3AED;
      --shadow:0 18px 48px rgba(16,35,26,.08);
      --shadow-hover:0 22px 60px rgba(16,35,26,.12);
      --radius:24px;
      --radius-lg:32px;
    }
    *{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 top right, rgba(245,158,11,.12), transparent 22%),
      radial-gradient(circle at bottom left, rgba(34,211,166,.10), transparent 24%),
      var(--bg);
    }
    a{text-decoration:none;color:inherit}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{border:0;background:none;cursor:pointer}
    .app-shell{min-height:100vh}
    .sidebar{
      width:260px;
      background:rgba(251,250,243,.88);
      backdrop-filter:blur(14px);
      border-right:1px solid rgba(16,35,26,.08);
      box-shadow:0 0 0 1px rgba(255,255,255,.4) inset;
    }
    .main-wrap{margin-left:260px}
    .shell-card{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(16,35,26,.08);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
      backdrop-filter:blur(6px);
    }
    .brand-mark{
      width:44px;height:44px;border-radius:14px;position:relative;overflow:hidden;
      background:linear-gradient(135deg,var(--green),#23c45e);
      box-shadow:0 10px 24px rgba(22,163,74,.28);
    }
    .brand-mark:before,.brand-mark:after{
      content:"";position:absolute;inset:auto;
    }
    .brand-mark:before{
      width:20px;height:20px;border:2px solid rgba(255,255,255,.9);border-radius:999px;left:7px;top:11px;
    }
    .brand-mark:after{
      right:8px;top:13px;width:0;height:0;
      border-left:12px solid rgba(255,255,255,.95);
      border-top:8px solid transparent;border-bottom:8px solid transparent;
      filter:drop-shadow(0 2px 4px rgba(0,0,0,.12));
    }
    .nav-link{
      display:flex;align-items:center;gap:.9rem;
      padding:.95rem 1rem;border-radius:18px;
      color:#294036;transition:.25s ease;
      border:1px solid transparent;
    }
    .nav-link:hover{
      background:#F2F8F1;border-color:#D7E8D4;transform:translateX(2px);
      color:var(--text);
    }
    .nav-link.active{
      background:linear-gradient(135deg,rgba(22,163,74,.14),rgba(34,211,166,.10));
      border-color:rgba(22,163,74,.18);color:var(--green-dark);
      box-shadow:0 10px 24px rgba(22,163,74,.10);
    }
    .nav-dot{
      width:10px;height:10px;border-radius:999px;background:#B8C8BF;transition:.25s ease;
      box-shadow:0 0 0 5px rgba(184,200,191,.16);
      flex:0 0 auto;
    }
    .nav-link.active .nav-dot,.nav-link:hover .nav-dot{
      background:var(--green);box-shadow:0 0 0 5px rgba(22,163,74,.14);
    }
    .quick-chip{
      display:inline-flex;align-items:center;gap:.45rem;
      padding:.56rem .9rem;border-radius:999px;font-size:.92rem;font-weight:700;
      background:#fff7eb;color:#8a4d00;border:1px solid rgba(245,158,11,.18)
    }
    .section-title{font-size:clamp(1.85rem,2vw,2.4rem);line-height:1.18;font-weight:800;letter-spacing:-.02em}
    .section-desc{font-size:1rem;line-height:1.9;color:var(--muted)}
    .btn-primary,.btn-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
      min-height:48px;padding:.9rem 1.25rem;border-radius:999px;font-weight:800;
      transition:.25s ease;border:1px solid transparent;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--green),#1cb455);color:#fff;
      box-shadow:0 14px 28px rgba(22,163,74,.22);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(22,163,74,.28);background:linear-gradient(135deg,#12873d,#18a14c)}
    .btn-secondary{
      background:#fff;color:var(--text);border-color:rgba(16,35,26,.12)
    }
    .btn-secondary:hover{background:#f2f8f1;border-color:rgba(22,163,74,.2);transform:translateY(-2px)}
    .btn-primary:focus-visible,.btn-secondary:focus-visible,.menu-btn:focus-visible,.faq-btn:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{
      outline:3px solid rgba(34,211,166,.28);outline-offset:2px;
    }
    .hero-board{
      background:
      linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,248,236,.92)),
      url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-radius:32px;
      border:1px solid rgba(16,35,26,.08);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-board:before{
      content:"";position:absolute;inset:0;
      background:
      radial-gradient(circle at 18% 30%, rgba(245,158,11,.15), transparent 20%),
      radial-gradient(circle at 78% 18%, rgba(22,163,74,.10), transparent 22%),
      linear-gradient(135deg, rgba(255,255,255,.10), transparent 44%);
      pointer-events:none;
    }
    .court-line{
      position:relative;overflow:hidden;
    }
    .court-line:after{
      content:"";position:absolute;right:-60px;top:10%;width:260px;height:260px;border-radius:50%;
      border:2px solid rgba(245,158,11,.18);pointer-events:none;
    }
    .score-card{
      background:linear-gradient(180deg,#fff,#fff9f0);
      border:1px solid rgba(245,158,11,.18);
      border-radius:24px;
      box-shadow:0 14px 32px rgba(245,158,11,.10);
      transition:.25s ease;
    }
    .score-card:hover,.feature-card:hover,.state-card:hover,.faq-item:hover,.panel-hover:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
    }
    .feature-card,.state-card,.faq-item,.panel-hover{
      transition:.25s ease;
      border:1px solid rgba(16,35,26,.08);
      border-radius:24px;
      background:#fff;
      box-shadow:var(--shadow);
    }
    .score-pill{
      display:inline-flex;align-items:center;gap:.45rem;
      border-radius:999px;padding:.45rem .78rem;font-size:.82rem;font-weight:700;
      background:rgba(16,35,26,.05);color:#31473d;
    }
    .orange-pill{background:#fff4df;color:#8a4d00}
    .green-pill{background:#edf9f0;color:#127a39}
    .muted-line{height:1px;background:linear-gradient(90deg,transparent,rgba(16,35,26,.12),transparent)}
    .data-ring{
      width:148px;height:148px;border-radius:50%;
      background:conic-gradient(var(--orange) 0 64%, var(--green) 64% 90%, rgba(16,35,26,.08) 90% 100%);
      display:grid;place-items:center;
      margin:auto;position:relative;
    }
    .data-ring:before{
      content:"";width:104px;height:104px;border-radius:50%;background:#fff;box-shadow:inset 0 0 0 1px rgba(16,35,26,.06);
    }
    .data-ring span{
      position:absolute;font-weight:900;font-size:1.6rem;color:var(--text)
    }
    .list-bullet li{
      position:relative;padding-left:1.15rem
    }
    .list-bullet li:before{
      content:"";position:absolute;left:0;top:.82rem;width:7px;height:7px;border-radius:999px;background:var(--orange)
    }
    .faq-item{overflow:hidden}
    .faq-btn{
      width:100%;display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;
      text-align:left;padding:1.25rem 1.25rem 1rem 1.25rem;font-weight:800;color:var(--text)
    }
    .faq-answer{
      max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 1.25rem;color:var(--muted);line-height:1.9
    }
    .faq-item.open .faq-answer{max-height:260px;padding:0 1.25rem 1.25rem}
    .faq-icon{
      width:30px;height:30px;border-radius:999px;display:grid;place-items:center;
      background:#f3f6ef;color:var(--green);font-size:1.15rem;flex:0 0 auto
    }
    .footer-link:hover{color:var(--green-dark);transform:translateX(2px)}
    .mobile-top{
      display:none;position:sticky;top:0;z-index:50;
      background:rgba(247,245,236,.88);backdrop-filter:blur(12px);
      border-bottom:1px solid rgba(16,35,26,.08);
    }
    .mobile-drawer{
      display:none;position:fixed;inset:72px 12px auto 12px;z-index:60;
      background:rgba(255,255,255,.96);border:1px solid rgba(16,35,26,.08);
      border-radius:24px;box-shadow:var(--shadow-hover);padding:1rem;
    }
    .mobile-drawer.open{display:block}
    .menu-btn{
      width:46px;height:46px;border-radius:14px;background:#fff;border:1px solid rgba(16,35,26,.08);
      box-shadow:var(--shadow)
    }
    .headline-accent{
      background:linear-gradient(180deg, transparent 58%, rgba(245,158,11,.22) 58%);
      display:inline;
    }
    .contact-input{
      width:100%;padding:.95rem 1rem;border-radius:16px;background:#fff;border:1px solid rgba(16,35,26,.1);color:var(--text);
      transition:.2s ease;box-shadow:inset 0 1px 0 rgba(255,255,255,.5);
    }
    .contact-input:focus{border-color:rgba(22,163,74,.35);box-shadow:0 0 0 4px rgba(22,163,74,.10)}
    .stat-block{
      background:linear-gradient(180deg,#fff,#fff8ef);
      border:1px solid rgba(245,158,11,.18);
      border-radius:20px;padding:1rem 1.05rem;
    }
    @media (max-width:1279px){
      .sidebar{width:94px}
      .main-wrap{margin-left:94px}
      .sidebar .brand-text,.sidebar .nav-text,.sidebar .helper-card{display:none}
      .nav-link{justify-content:center;padding:.95rem}
    }
    @media (max-width:1023px){
      .sidebar{display:none}
      .main-wrap{margin-left:0}
      .mobile-top{display:block}
    }
    @media (max-width:767px){
      .section-title{font-size:2rem}
      .hero-board{border-radius:24px}
    }
    @media (max-width:520px){
      .btn-primary,.btn-secondary{width:100%}
    }

/* roulang page: category3 */
:root{
      --bg:#F7F5EC;
      --panel:#FFFFFF;
      --panel-soft:#FBFAF3;
      --text:#10231A;
      --muted:#5F6F66;
      --line:#DDE7D6;
      --green:#16A34A;
      --green-deep:#0F7F39;
      --cyan:#22D3A6;
      --orange:#F59E0B;
      --purple:#7C3AED;
      --purple-soft:#F4EEFF;
      --shadow:0 16px 40px rgba(16,35,26,.08);
      --shadow-strong:0 20px 48px rgba(16,35,26,.12);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Arial,sans-serif;
      background:
        radial-gradient(circle at top right, rgba(124,58,237,.08), transparent 22%),
        radial-gradient(circle at left 20%, rgba(34,211,166,.10), transparent 22%),
        var(--bg);
      color:var(--text);
    }
    a{text-decoration:none;color:inherit}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    .app-shell{min-height:100vh}
    .sidebar{
      background:rgba(255,255,255,.85);
      backdrop-filter: blur(12px);
      border-right:1px solid rgba(16,35,26,.08);
    }
    .shell-card{
      background:rgba(255,255,255,.9);
      border:1px solid rgba(16,35,26,.08);
      box-shadow:var(--shadow);
      border-radius:28px;
    }
    .hero-card{
      background:
        linear-gradient(135deg, rgba(16,35,26,.96), rgba(34,211,166,.12)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      position:relative;
      overflow:hidden;
    }
    .hero-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 78% 24%, rgba(124,58,237,.28), transparent 20%),
        radial-gradient(circle at 18% 80%, rgba(34,211,166,.18), transparent 24%),
        linear-gradient(180deg, rgba(16,35,26,.28), rgba(16,35,26,.55));
      pointer-events:none;
    }
    .hero-grid-line::before,
    .hero-grid-line::after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.18);
      border-radius:24px;
      inset:18px;
      pointer-events:none;
    }
    .hero-grid-line::after{
      inset:auto 28px 28px auto;
      width:140px;height:140px;border-radius:999px;
      border-color:rgba(34,211,166,.26);
    }
    .brand-mark{
      width:40px;height:40px;border-radius:14px;
      background:
        radial-gradient(circle at 30% 30%, #22D3A6, transparent 28%),
        linear-gradient(135deg, #16A34A, #7C3AED);
      position:relative;
      box-shadow:0 10px 28px rgba(22,163,74,.24);
      flex-shrink:0;
    }
    .brand-mark::before{
      content:"";
      position:absolute;left:11px;top:11px;
      width:18px;height:18px;border:2px solid rgba(255,255,255,.92);
      border-radius:999px;
    }
    .brand-mark::after{
      content:"";
      position:absolute;right:8px;bottom:8px;
      width:0;height:0;border-left:10px solid #fff;border-top:7px solid transparent;border-bottom:7px solid transparent;
      opacity:.92;
    }
    .nav-link{
      display:flex;align-items:center;gap:12px;
      padding:12px 14px;border-radius:16px;
      color:#31443A;transition:.25s ease;
      border:1px solid transparent;
      font-size:15px;
    }
    .nav-link:hover{
      background:rgba(22,163,74,.07);
      border-color:rgba(22,163,74,.16);
      transform:translateX(2px);
      color:var(--text);
    }
    .nav-link.active{
      background:linear-gradient(135deg, rgba(22,163,74,.14), rgba(124,58,237,.10));
      border-color:rgba(22,163,74,.28);
      color:var(--text);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.4);
    }
    .nav-dot{
      width:10px;height:10px;border-radius:999px;
      background:linear-gradient(135deg, #16A34A, #22D3A6);
      box-shadow:0 0 0 4px rgba(22,163,74,.12);
      flex-shrink:0;
    }
    .mobile-tab{
      border:1px solid rgba(16,35,26,.08);
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow);
      border-radius:18px;
    }
    .btn-primary,.btn-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      min-height:48px;padding:0 20px;border-radius:999px;
      transition:.25s ease;font-weight:700
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--green), #169a57);
      color:#fff;box-shadow:0 14px 30px rgba(22,163,74,.24);
    }
    .btn-primary:hover{transform:translateY(-2px);background:linear-gradient(135deg, #138A3F, #12834B)}
    .btn-secondary{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(22,163,74,.18);
      color:var(--text);
    }
    .btn-secondary:hover{background:#EEF8F0;transform:translateY(-2px)}
    .badge{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700;
      background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.14)
    }
    .section-title{font-size:clamp(28px,3.4vw,40px);line-height:1.12;font-weight:800;letter-spacing:-.02em}
    .subtle{color:var(--muted)}
    .metric-card,.feature-card,.faq-item,.team-card,.flow-card,.signal-card,.replay-card,.cta-band{
      border:1px solid rgba(16,35,26,.08);
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow);
      border-radius:24px;
      transition:.25s ease;
    }
    .feature-card:hover,.team-card:hover,.signal-card:hover,.replay-card:hover,.flow-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-strong);
      border-color:rgba(22,163,74,.22);
    }
    .purple-card{
      background:linear-gradient(180deg, rgba(16,35,26,.98), rgba(35,18,63,.96));
      color:#fff;border:1px solid rgba(124,58,237,.28);
      box-shadow:0 18px 48px rgba(36,18,60,.22);
    }
    .glow-line{
      position:relative;overflow:hidden;
    }
    .glow-line::after{
      content:"";
      position:absolute;left:-35%;top:0;height:2px;width:30%;
      background:linear-gradient(90deg, transparent, rgba(34,211,166,.9), transparent);
      transition:all .6s ease;
    }
    .glow-line:hover::after{left:105%}
    .chip{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:#F4F8F2;border:1px solid rgba(16,35,26,.08);
      color:#244133;font-size:13px;font-weight:700
    }
    .chip-purple{
      background:rgba(124,58,237,.12);
      color:#5B21B6;
      border-color:rgba(124,58,237,.18);
    }
    .stat-bar{
      height:10px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;
    }
    .stat-bar > span{
      display:block;height:100%;
      background:linear-gradient(90deg, #22D3A6, #7C3AED);
      border-radius:999px;
    }
    .score-pill{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      background:rgba(124,58,237,.12);
      color:#5B21B6;font-weight:700;font-size:13px
    }
    .faq-item summary{
      list-style:none;cursor:pointer;
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      font-weight:800;font-size:18px;padding:22px 24px;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item .faq-content{
      padding:0 24px 24px;color:#506158;line-height:1.9;font-size:15px;
    }
    .footer-link:hover{color:var(--green)}
    .esports-panel{
      background:
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(244,238,255,.98));
      border:1px solid rgba(124,58,237,.14);
    }
    .cover-mask{
      position:relative;overflow:hidden;border-radius:22px
    }
    .cover-mask::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg, transparent 0%, rgba(16,35,26,.12) 55%, rgba(16,35,26,.35) 100%);
      pointer-events:none;
    }
    .focus-ring:focus-visible,
    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    textarea:focus-visible{
      outline:none;
      box-shadow:0 0 0 4px rgba(34,211,166,.18);
    }
    .drawer{
      transform:translateY(-10px);
      opacity:0;pointer-events:none;
      transition:.25s ease;
    }
    .drawer.open{
      transform:translateY(0);
      opacity:1;pointer-events:auto;
    }
    .line-sep{
      height:1px;background:linear-gradient(90deg, transparent, rgba(16,35,26,.12), transparent)
    }
    @media (max-width: 1023px){
      .sidebar{display:none}
    }
    @media (max-width: 767px){
      .shell-card,.feature-card,.team-card,.flow-card,.signal-card,.replay-card,.faq-item,.metric-card,.cta-band{border-radius:20px}
    }
    @media (max-width: 520px){
      .btn-primary,.btn-secondary{width:100%}
      .faq-item summary{font-size:17px;padding:18px}
      .faq-item .faq-content{padding:0 18px 18px}
    }