/* roulang page: index */
:root{
      --red:#D92D20;
      --red-2:#E53935;
      --orange:#FF7A1A;
      --orange-2:#F97316;
      --green:#16A34A;
      --text:#1F2933;
      --muted:#6B7280;
      --soft:#FFF7F2;
      --soft-2:#FFF3E8;
      --paper:#FAFAF9;
      --card:#FFFFFF;
      --line:#F2D6C9;
      --line-2:#F3E8E2;
      --shadow:0 12px 32px rgba(217,45,32,.08);
      --shadow-lg:0 18px 48px rgba(217,45,32,.14);
      --radius:22px;
      --radius-sm:14px;
      --nav:104px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 16% 8%, rgba(255,122,26,.12), transparent 28%),
        linear-gradient(180deg,var(--soft),var(--paper) 42%,#fff 100%);
      line-height:1.75;
      min-height:100vh;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(255,122,26,.24)}
    .page{
      min-height:100vh;
      padding-left:var(--nav);
    }
    .side-nav{
      position:fixed;
      inset:0 auto 0 0;
      width:var(--nav);
      background:rgba(255,255,255,.92);
      border-right:1px solid var(--line);
      backdrop-filter:blur(18px);
      z-index:50;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:space-between;
      padding:18px 12px;
      box-shadow:8px 0 26px rgba(217,45,32,.04);
    }
    .logo{
      width:78px;
      display:flex;
      flex-direction:column;
      align-items:center;
      gap:8px;
      text-align:center;
      font-weight:900;
      letter-spacing:.02em;
      line-height:1.15;
      color:var(--red);
    }
    .logo-mark{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      color:#fff;font-size:13px;font-weight:900;
      background:linear-gradient(135deg,var(--red),var(--orange));
      box-shadow:0 12px 24px rgba(217,45,32,.18);
    }
    .logo-text{font-size:13px}
    .nav-links{
      width:100%;
      display:flex;
      flex-direction:column;
      gap:12px;
      align-items:center;
    }
    .nav-link{
      width:78px;
      min-height:66px;
      border-radius:20px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:5px;
      color:var(--muted);
      font-size:12px;
      font-weight:750;
      transition:.22s ease;
      position:relative;
      outline:none;
    }
    .nav-link .ico{font-size:18px}
    .nav-link:hover,.nav-link:focus{
      color:var(--red);
      background:var(--soft-2);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,var(--red),var(--orange));
      box-shadow:0 10px 22px rgba(217,45,32,.18);
    }
    .nav-link.active:before{
      content:"";
      position:absolute;
      left:-12px;
      top:18px;
      width:4px;
      height:30px;
      border-radius:999px;
      background:linear-gradient(180deg,var(--red),var(--orange));
    }
    .nav-bottom{
      width:100%;
      display:grid;
      gap:8px;
      font-size:11px;
      color:var(--muted);
      text-align:center;
    }
    .mini-safe{
      border:1px dashed var(--line);
      border-radius:16px;
      padding:8px 4px;
      background:var(--soft);
    }
    .mobile-top{
      display:none;
      position:sticky;
      top:0;
      z-index:60;
      height:64px;
      padding:0 16px;
      background:rgba(255,255,255,.94);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(18px);
      align-items:center;
      justify-content:space-between;
      box-shadow:0 8px 24px rgba(217,45,32,.06);
    }
    .mobile-brand{
      display:flex;align-items:center;gap:10px;
      font-weight:900;color:var(--red);
      max-width:66%;
      line-height:1.2;
    }
    .mobile-menu{
      display:none;
      position:sticky;
      top:64px;
      z-index:59;
      background:#fff;
      border-bottom:1px solid var(--line);
      padding:12px 16px 16px;
      box-shadow:0 12px 28px rgba(217,45,32,.08);
    }
    .mobile-menu.open{display:block}
    .mobile-menu a{
      display:flex;align-items:center;justify-content:space-between;
      padding:13px 14px;
      border-radius:16px;
      color:var(--text);
      font-weight:750;
      background:var(--soft);
      margin-top:10px;
    }
    .mobile-menu a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--red),var(--orange));
    }
    .menu-btn,.small-cta{
      border:0;
      border-radius:999px;
      padding:9px 13px;
      font-weight:800;
      transition:.2s ease;
    }
    .menu-btn{background:var(--soft-2);color:var(--red)}
    .small-cta{background:linear-gradient(135deg,var(--red),var(--orange));color:#fff}
    .menu-btn:hover,.small-cta:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
    .container{
      width:min(1220px,calc(100% - 48px));
      margin:0 auto;
    }
    main{padding:34px 0 0}
    section{margin:0 0 68px}
    .hero{
      position:relative;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:30px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.96),rgba(255,243,232,.9)),
        repeating-linear-gradient(90deg,rgba(242,214,201,.32) 0 1px,transparent 1px 18px);
      box-shadow:var(--shadow);
      padding:34px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1fr minmax(340px,1.15fr) 1fr;
      gap:24px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:var(--red);
      background:#fff;
      border:1px solid var(--line);
      font-size:13px;
      font-weight:850;
      box-shadow:0 8px 20px rgba(217,45,32,.06);
    }
    h1{
      margin:14px 0 14px;
      font-size:clamp(28px,4vw,44px);
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.04em;
      color:var(--text);
    }
    .hero p{color:var(--muted);font-size:16px;margin:0}
    .value-stack{display:grid;gap:14px}
    .value-card{
      background:rgba(255,255,255,.88);
      border:1px solid var(--line-2);
      border-radius:20px;
      padding:18px;
      box-shadow:0 10px 24px rgba(217,45,32,.05);
      transition:.22s ease;
    }
    .value-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .value-card strong{display:block;font-size:16px;margin-bottom:4px}
    .value-card span{display:block;color:var(--muted);font-size:13px;line-height:1.65}
    .stage{
      min-height:390px;
      display:flex;
      align-items:center;
      justify-content:center;
      position:relative;
    }
    .stage:before{
      content:"";
      position:absolute;
      inset:36px 24px;
      border-radius:34px;
      background:linear-gradient(135deg,rgba(217,45,32,.14),rgba(255,122,26,.18));
      filter:blur(4px);
    }
    .screen{
      width:min(440px,100%);
      position:relative;
      z-index:1;
      border-radius:30px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 28px 60px rgba(217,45,32,.18);
      overflow:hidden;
      transform:rotate(-1deg);
    }
    .screen-top{
      height:52px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 18px;
      background:linear-gradient(135deg,var(--red),var(--orange));
      color:#fff;
      font-weight:850;
    }
    .dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.78)}
    .screen-body{padding:20px;display:grid;gap:14px}
    .filter-row{display:flex;gap:8px;flex-wrap:wrap}
    .mock-line{
      height:14px;
      border-radius:999px;
      background:linear-gradient(90deg,#FFE3D4,#FFF4EC);
    }
    .mock-card{
      border:1px solid var(--line-2);
      border-radius:18px;
      padding:14px;
      background:linear-gradient(180deg,#fff,var(--soft));
    }
    .mock-cover{
      height:90px;
      border-radius:16px;
      background:
        linear-gradient(135deg,rgba(217,45,32,.16),rgba(255,122,26,.28)),
        radial-gradient(circle at 70% 30%,rgba(255,255,255,.85),transparent 28%);
      border:1px solid rgba(242,214,201,.7);
      position:relative;
      overflow:hidden;
    }
    .mock-cover:after{
      content:"安全预览";
      position:absolute;
      right:12px;
      bottom:10px;
      color:#fff;
      background:rgba(217,45,32,.78);
      padding:4px 9px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:850;
      transition:.22s ease;
      outline:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--red),var(--orange));
      box-shadow:0 12px 24px rgba(217,45,32,.18);
    }
    .btn-secondary{
      color:var(--red);
      background:#fff;
      border-color:var(--line);
    }
    .btn-ghost{
      color:var(--red);
      background:transparent;
      padding-inline:4px;
    }
    .btn:hover{transform:translateY(-1px)}
    .btn-primary:hover{box-shadow:0 16px 34px rgba(217,45,32,.24);filter:saturate(1.05)}
    .btn-secondary:hover{background:var(--soft-2);border-color:rgba(217,45,32,.35)}
    .btn-ghost:hover{text-decoration:underline}
    .btn:focus{box-shadow:0 0 0 4px rgba(217,45,32,.16),0 12px 24px rgba(217,45,32,.14)}
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      border:1px solid var(--line);
      color:var(--orange-2);
      background:var(--soft);
      transition:.2s ease;
    }
    .badge-red{background:var(--red);color:#fff;border-color:var(--red)}
    .badge-gold{background:linear-gradient(135deg,#FFB45E,var(--orange));color:#fff;border-color:transparent}
    .tag:hover{border-color:var(--red);color:var(--red);background:#fff}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:22px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(23px,2.5vw,30px);
      line-height:1.25;
      letter-spacing:-.03em;
      font-weight:900;
    }
    .section-head p{
      margin:8px 0 0;
      color:var(--muted);
      max-width:760px;
      font-size:15px;
    }
    .quick-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
    }
    .quick-card,.panel,.table-wrap,.plan-card,.preview-card,.faq-wrap,.cta-card,.news-box,.footer{
      background:rgba(255,255,255,.92);
      border:1px solid var(--line-2);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .quick-card{padding:24px}
    .anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .safe-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
    }
    .safe-item{
      display:flex;
      align-items:center;
      gap:10px;
      padding:14px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--line-2);
      font-weight:850;
      color:var(--text);
    }
    .safe-item i{
      width:30px;height:30px;border-radius:12px;
      display:grid;place-items:center;
      background:var(--soft-2);
      color:var(--red);
      font-style:normal;
    }
    .table-wrap{overflow:hidden}
    .table-scroll{overflow-x:auto}
    table{
      width:100%;
      min-width:860px;
      border-collapse:separate;
      border-spacing:0;
      font-size:14px;
    }
    th,td{
      padding:18px 16px;
      border-bottom:1px solid var(--line-2);
      text-align:center;
      vertical-align:middle;
    }
    th:first-child,td:first-child{text-align:left}
    thead th{
      background:linear-gradient(180deg,#FFF0E5,#FFE0CC);
      color:var(--text);
      font-weight:900;
      position:relative;
    }
    thead th.recommend{
      background:linear-gradient(135deg,var(--red),var(--orange));
      color:#fff;
    }
    tbody tr{transition:.18s ease}
    tbody tr:hover{background:var(--soft)}
    .check{color:var(--green);font-weight:950}
    .muted{color:var(--muted)}
    .price{
      display:block;
      font-size:38px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.04em;
      color:var(--red);
      margin:6px 0;
    }
    .price small{font-size:14px;color:var(--muted);font-weight:750}
    .table-foot{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      padding:18px 20px 22px;
      background:#fff;
    }
    .plans{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      align-items:stretch;
    }
    .plan-card{
      padding:24px;
      position:relative;
      overflow:hidden;
      transition:.22s ease;
    }
    .plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
    .plan-card.featured{
      border:2px solid transparent;
      background:
        linear-gradient(#fff,#fff) padding-box,
        linear-gradient(135deg,var(--red),var(--orange)) border-box;
      transform:translateY(-8px);
    }
    .corner{
      position:absolute;
      right:18px;
      top:18px;
      color:#fff;
      background:linear-gradient(135deg,var(--red),var(--orange));
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:900;
    }
    .plan-card h3{margin:0 0 8px;font-size:21px}
    .plan-card p{margin:0;color:var(--muted);font-size:14px}
    .benefit-list{list-style:none;padding:0;margin:18px 0;display:grid;gap:10px}
    .benefit-list li{display:flex;gap:9px;align-items:flex-start;color:var(--text);font-size:14px}
    .benefit-list li:before{
      content:"✓";
      flex:0 0 22px;
      height:22px;
      border-radius:50%;
      background:rgba(22,163,74,.1);
      color:var(--green);
      display:grid;
      place-items:center;
      font-weight:950;
      font-size:12px;
      margin-top:2px;
    }
    .preview-layout{
      display:grid;
      grid-template-columns:1.55fr .75fr;
      gap:20px;
      align-items:start;
    }
    .preview-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .preview-card{
      overflow:hidden;
      transition:.22s ease;
    }
    .preview-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
    .abstract-cover{
      height:148px;
      background:
        linear-gradient(135deg,rgba(217,45,32,.15),rgba(255,122,26,.32)),
        radial-gradient(circle at 22% 32%,rgba(255,255,255,.9),transparent 24%),
        repeating-linear-gradient(135deg,rgba(255,255,255,.34) 0 8px,transparent 8px 16px);
      border-bottom:1px solid var(--line-2);
      position:relative;
    }
    .abstract-cover .lock{
      position:absolute;left:16px;bottom:14px;
      color:#fff;background:rgba(217,45,32,.78);
      padding:6px 10px;border-radius:999px;
      font-size:12px;font-weight:900;
    }
    .preview-body{padding:18px}
    .preview-body h3{font-size:18px;line-height:1.35;margin:12px 0 8px}
    .preview-body p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
    .sidebar{
      position:sticky;
      top:24px;
      display:grid;
      gap:16px;
    }
    .panel{padding:20px}
    .panel h3{margin:0 0 12px;font-size:18px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
    .news-box{padding:20px}
    .news-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .news-list a{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
      border-bottom:1px dashed var(--line);
      color:var(--text);
      font-weight:750;
      transition:.18s ease;
    }
    .news-list li:last-child a{border-bottom:0}
    .news-list a:hover{color:var(--red);padding-left:4px}
    .news-list span{color:var(--muted);font-size:13px;font-weight:650;white-space:nowrap}
    .faq-wrap{overflow:hidden}
    .faq-item+.faq-item{border-top:1px solid var(--line-2)}
    .faq-q{
      width:100%;
      border:0;
      background:#fff;
      min-height:64px;
      padding:18px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:var(--text);
      font-weight:900;
      text-align:left;
      transition:.18s ease;
    }
    .faq-q:hover{background:var(--soft)}
    .faq-q:focus{outline:3px solid rgba(217,45,32,.14);outline-offset:-3px}
    .faq-q b{
      display:inline-flex;
      align-items:center;
      gap:10px;
    }
    .faq-q b:before{
      content:"Q";
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      background:var(--soft-2);
      color:var(--red);
      font-size:13px;
    }
    .arrow{transition:.2s ease;color:var(--orange)}
    .faq-item.open .faq-q{color:var(--red)}
    .faq-item.open .arrow{transform:rotate(180deg)}
    .faq-a{
      display:none;
      margin:0 22px 18px 60px;
      padding:16px 18px;
      border-radius:16px;
      background:var(--soft);
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .faq-item.open .faq-a{display:block}
    .cta-card{
      position:relative;
      overflow:hidden;
      padding:30px;
      background:
        linear-gradient(135deg,rgba(217,45,32,.94),rgba(255,122,26,.9)),
        repeating-linear-gradient(90deg,rgba(255,255,255,.12) 0 2px,transparent 2px 18px);
      color:#fff;
    }
    .cta-card:before{
      content:"";
      position:absolute;
      inset:16px;
      border:1px dashed rgba(255,255,255,.42);
      border-radius:24px;
      pointer-events:none;
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:24px;
      align-items:center;
    }
    .cta-card h2{margin:0 0 12px;font-size:clamp(24px,3vw,34px);line-height:1.2;font-weight:950}
    .cta-card p{margin:0;color:rgba(255,255,255,.88)}
    .cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .cta-points span{
      border:1px solid rgba(255,255,255,.45);
      background:rgba(255,255,255,.12);
      border-radius:999px;
      padding:7px 11px;
      font-weight:850;
      font-size:13px;
    }
    .cta-price{
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.35);
      border-radius:22px;
      padding:22px;
      text-align:center;
      backdrop-filter:blur(8px);
    }
    .cta-price strong{font-size:46px;line-height:1;font-weight:950}
    .cta-price small{display:block;color:rgba(255,255,255,.82);margin-top:6px}
    .cta-price .btn{margin-top:16px;background:#fff;color:var(--red);width:100%}
    .footer{
      border-radius:28px 28px 0 0;
      box-shadow:none;
      border-bottom:0;
      padding:28px 0;
      margin-top:34px;
      background:rgba(255,247,242,.92);
    }
    .footer-grid{
      width:min(1220px,calc(100% - 48px));
      margin:0 auto;
      display:grid;
      grid-template-columns:1.2fr 1fr .9fr;
      gap:22px;
      align-items:start;
    }
    .footer-brand{font-weight:950;color:var(--red);font-size:18px;margin-bottom:8px}
    .footer p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{
      padding:7px 10px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line-2);
      color:var(--muted);
      font-weight:750;
      font-size:13px;
      transition:.18s ease;
    }
    .footer-links a:hover{color:var(--red);border-color:var(--red)}
    .sticky-bar{
      display:none;
      position:fixed;
      left:0;right:0;bottom:0;
      z-index:55;
      padding:10px 14px;
      background:rgba(255,255,255,.94);
      border-top:1px solid var(--line);
      backdrop-filter:blur(16px);
      box-shadow:0 -10px 24px rgba(217,45,32,.08);
    }
    .sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .sticky-inner span{font-weight:900;color:var(--text);font-size:14px}
    @media (max-width:1180px){
      .hero-grid{grid-template-columns:1fr;gap:18px}
      .stage{order:-1;min-height:320px}
      .value-stack{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:1024px){
      .page{padding-left:0}
      .side-nav{display:none}
      .mobile-top{display:flex}
      main{padding-top:22px}
      .quick-grid,.preview-layout,.cta-grid{grid-template-columns:1fr}
      .sidebar{position:static}
      .safe-strip{grid-template-columns:repeat(2,1fr)}
      .plans{grid-template-columns:1fr}
      .plan-card.featured{transform:none}
      .footer-grid{grid-template-columns:1fr}
      .sticky-bar{display:block}
      body{padding-bottom:72px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,1220px)}
      section{margin-bottom:48px}
      .hero{padding:22px;border-radius:24px}
      .screen{border-radius:24px}
      .stage{min-height:280px}
      .value-stack,.preview-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .table-foot{align-items:flex-start;flex-direction:column}
      .table-foot .btn{width:100%}
      .cta-card{padding:24px}
      .cta-price strong{font-size:38px}
      .footer-grid{width:min(100% - 28px,1220px)}
    }
    @media (max-width:520px){
      .mobile-brand{font-size:13px}
      .small-cta{display:none}
      h1{font-size:28px}
      .hero-actions .btn{width:100%}
      .safe-strip{grid-template-columns:1fr}
      .safe-item{padding:12px}
      .price{font-size:32px}
      .faq-a{margin-left:18px}
      .news-list a{display:block}
      .news-list span{display:block;margin-top:4px}
    }

/* roulang page: category1 */
:root {
      --red: #E53935;
      --red-deep: #D92D20;
      --orange: #FF7A1A;
      --orange-soft: #FFF0E4;
      --bg: #FFF7F2;
      --bg-2: #FAFAF9;
      --paper: #FFFFFF;
      --text: #1F2933;
      --muted: #6B7280;
      --line: #F2D6C9;
      --line-2: #F3E8E2;
      --green: #16A34A;
      --shadow: 0 18px 42px rgba(217, 45, 32, .10);
      --shadow-soft: 0 10px 26px rgba(31, 41, 51, .07);
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --nav-width: 108px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at 18% 8%, rgba(255,122,26,.13), transparent 28%),
        radial-gradient(circle at 90% 18%, rgba(229,57,53,.10), transparent 24%),
        linear-gradient(180deg, #FFF7F2 0%, #FAFAF9 52%, #FFF7F2 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img, svg {
      max-width: 100%;
      display: block;
    }

    button, input, select {
      font-family: inherit;
    }

    button {
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(255, 122, 26, .38);
      outline-offset: 3px;
      border-radius: 12px;
    }

    .page-shell {
      min-height: 100vh;
      padding-left: var(--nav-width);
    }

    .container {
      width: min(1180px, calc(100% - 48px));
      margin: 0 auto;
    }

    .side-nav {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--nav-width);
      z-index: 50;
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(18px);
      border-right: 1px solid var(--line);
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 18px 12px;
      box-shadow: 8px 0 28px rgba(217,45,32,.05);
    }

    .side-nav-logo {
      width: 84px;
      min-height: 106px;
      border-radius: 22px;
      background: linear-gradient(160deg, #fff, #fff5ee);
      border: 1px solid var(--line);
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 8px;
      padding: 10px 8px;
      box-shadow: var(--shadow-soft);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .side-nav-logo:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow);
      border-color: rgba(229,57,53,.32);
    }

    .logo-main {
      font-size: 13px;
      line-height: 1.25;
      font-weight: 900;
      letter-spacing: .02em;
      color: var(--red-deep);
      text-align: center;
    }

    .logo-sub {
      display: inline-flex;
      justify-content: center;
      align-items: center;
      min-height: 24px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--red), var(--orange));
      color: #fff;
      font-size: 10px;
      font-weight: 800;
      letter-spacing: .02em;
      text-align: center;
      padding: 3px 5px;
    }

    .side-nav-links {
      list-style: none;
      padding: 0;
      margin: 34px 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
      width: 100%;
    }

    .side-nav-link {
      width: 100%;
      min-height: 66px;
      border-radius: 20px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
      line-height: 1.25;
      text-align: center;
      border: 1px solid transparent;
      transition: all .22s ease;
      position: relative;
      overflow: hidden;
    }

    .side-nav-link::before {
      content: "";
      position: absolute;
      left: 8px;
      top: 16px;
      bottom: 16px;
      width: 3px;
      border-radius: 999px;
      background: transparent;
      transition: background .22s ease;
    }

    .side-nav-link:hover {
      background: var(--orange-soft);
      color: var(--red-deep);
      border-color: rgba(255,122,26,.18);
      transform: translateY(-1px);
    }

    .side-nav-link.active {
      color: #fff;
      background: linear-gradient(145deg, var(--red), var(--orange));
      box-shadow: 0 12px 28px rgba(217,45,32,.22);
    }

    .side-nav-link.active::before {
      background: rgba(255,255,255,.8);
    }

    .nav-icon {
      font-size: 24px;
      line-height: 1;
      margin-bottom: 2px;
    }

    .side-nav-footer {
      margin-top: auto;
      writing-mode: vertical-rl;
      color: #A87967;
      font-size: 11px;
      letter-spacing: .08em;
      opacity: .78;
    }

    .mobile-header {
      display: none;
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(255,255,255,.94);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 8px 24px rgba(217,45,32,.07);
    }

    .mobile-header-inner {
      height: 62px;
      width: min(1180px, calc(100% - 28px));
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .mobile-brand {
      display: flex;
      align-items: center;
      gap: 9px;
      min-width: 0;
      font-weight: 900;
      color: var(--red-deep);
    }

    .age-dot {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 28px;
      min-width: 42px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--red), var(--orange));
      color: #fff;
      font-weight: 900;
      font-size: 12px;
    }

    .mobile-actions {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .menu-toggle {
      border: 1px solid var(--line);
      background: #fff;
      color: var(--text);
      border-radius: 14px;
      padding: 9px 12px;
      font-weight: 900;
      transition: all .22s ease;
    }

    .menu-toggle:hover {
      border-color: rgba(229,57,53,.38);
      background: var(--orange-soft);
      color: var(--red-deep);
    }

    .mobile-menu {
      display: none;
      width: min(1180px, calc(100% - 28px));
      margin: 0 auto;
      padding: 0 0 14px;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }

    .mobile-menu.open {
      display: grid;
    }

    .mobile-menu a {
      border: 1px solid var(--line);
      background: #fff;
      border-radius: 16px;
      padding: 12px 14px;
      color: var(--muted);
      font-weight: 800;
      transition: all .22s ease;
    }

    .mobile-menu a:hover,
    .mobile-menu a.active {
      background: linear-gradient(135deg, rgba(229,57,53,.10), rgba(255,122,26,.14));
      color: var(--red-deep);
      border-color: rgba(229,57,53,.32);
    }

    .main {
      padding: 42px 0 0;
    }

    .hero {
      position: relative;
      overflow: hidden;
      border-radius: 32px;
      background:
        linear-gradient(120deg, rgba(31,41,51,.96), rgba(111,37,24,.88)),
        radial-gradient(circle at 82% 20%, rgba(255,122,26,.42), transparent 34%);
      color: #fff;
      box-shadow: var(--shadow);
      min-height: 420px;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.06) 1px, transparent 1px);
      background-size: 38px 38px;
      opacity: .18;
    }

    .hero::after {
      content: "";
      position: absolute;
      right: -80px;
      top: -60px;
      width: 360px;
      height: 520px;
      border-radius: 38px;
      background:
        linear-gradient(155deg, rgba(255,255,255,.22), rgba(255,255,255,.05)),
        linear-gradient(135deg, rgba(229,57,53,.88), rgba(255,122,26,.74));
      transform: rotate(9deg);
      box-shadow: 0 28px 70px rgba(0,0,0,.20);
      opacity: .88;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr);
      gap: 32px;
      padding: 42px;
      align-items: center;
    }

    .eyebrow {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .badge,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 7px 12px;
      font-size: 12px;
      font-weight: 850;
      line-height: 1;
      white-space: nowrap;
      transition: all .22s ease;
    }

    .badge {
      background: rgba(255,255,255,.14);
      border: 1px solid rgba(255,255,255,.22);
      color: #fff;
    }

    .badge.green {
      background: rgba(22,163,74,.16);
      border-color: rgba(74,222,128,.32);
    }

    .tag {
      background: #FFF2E8;
      color: var(--red-deep);
      border: 1px solid rgba(255,122,26,.20);
    }

    .tag:hover {
      border-color: rgba(229,57,53,.50);
      transform: translateY(-1px);
    }

    .tag.active {
      color: #fff;
      background: linear-gradient(135deg, var(--red), var(--orange));
      border-color: transparent;
      box-shadow: 0 10px 22px rgba(217,45,32,.18);
    }

    .tag.member {
      color: #8A3B00;
      background: linear-gradient(135deg, #FFF1C7, #FFD29B);
      border-color: rgba(255,122,26,.25);
    }

    h1 {
      margin: 0;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.16;
      font-weight: 900;
      letter-spacing: -.03em;
    }

    .hero p {
      margin: 18px 0 0;
      color: rgba(255,255,255,.82);
      font-size: 16px;
      max-width: 760px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      border-radius: 999px;
      padding: 11px 18px;
      border: 1px solid transparent;
      font-weight: 850;
      font-size: 14px;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--red), var(--orange));
      color: #fff;
      box-shadow: 0 14px 30px rgba(217,45,32,.25);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(217,45,32,.32);
      background: linear-gradient(135deg, var(--red-deep), #F05F12);
    }

    .btn-secondary {
      color: var(--red-deep);
      background: #fff;
      border-color: rgba(255,122,26,.32);
    }

    .btn-secondary:hover {
      background: #FFF1E7;
      border-color: rgba(229,57,53,.42);
      transform: translateY(-1px);
    }

    .btn-ghost {
      color: #fff;
      background: rgba(255,255,255,.10);
      border-color: rgba(255,255,255,.22);
    }

    .btn-ghost:hover {
      background: rgba(255,255,255,.18);
      transform: translateY(-1px);
    }

    .hero-panel {
      position: relative;
      z-index: 2;
      border-radius: 26px;
      padding: 22px;
      background: rgba(255,255,255,.13);
      border: 1px solid rgba(255,255,255,.22);
      backdrop-filter: blur(12px);
      box-shadow: 0 18px 45px rgba(0,0,0,.20);
    }

    .poster-card {
      border-radius: 22px;
      background:
        linear-gradient(155deg, rgba(255,255,255,.18), rgba(255,255,255,.06)),
        linear-gradient(135deg, rgba(229,57,53,.82), rgba(255,122,26,.70));
      min-height: 240px;
      padding: 20px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
      position: relative;
    }

    .poster-card::before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px dashed rgba(255,255,255,.34);
      border-radius: 18px;
    }

    .poster-title,
    .poster-meta {
      position: relative;
      z-index: 1;
    }

    .poster-title {
      font-size: 22px;
      font-weight: 900;
      line-height: 1.25;
      max-width: 230px;
    }

    .poster-meta {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-top: 18px;
    }

    .mini-stat {
      border-radius: 16px;
      background: rgba(255,255,255,.15);
      padding: 11px;
      border: 1px solid rgba(255,255,255,.18);
    }

    .mini-stat strong {
      display: block;
      font-size: 20px;
      font-weight: 950;
      line-height: 1;
    }

    .mini-stat span {
      display: block;
      margin-top: 5px;
      font-size: 12px;
      color: rgba(255,255,255,.78);
    }

    .section {
      margin-top: 64px;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      align-items: end;
      margin-bottom: 22px;
    }

    .section-kicker {
      display: inline-flex;
      width: fit-content;
      color: var(--red-deep);
      background: #FFF2E8;
      border: 1px solid rgba(255,122,26,.22);
      border-radius: 999px;
      padding: 5px 10px;
      font-size: 12px;
      font-weight: 900;
      margin-bottom: 10px;
    }

    h2 {
      margin: 0;
      font-size: clamp(23px, 2.6vw, 30px);
      line-height: 1.25;
      letter-spacing: -.02em;
      font-weight: 900;
      color: var(--text);
    }

    .section-desc {
      margin: 9px 0 0;
      color: var(--muted);
      max-width: 720px;
      font-size: 15px;
    }

    .filter-card,
    .card,
    .sidebar-card,
    .list-card,
    .faq-wrap,
    .cta-panel {
      background: rgba(255,255,255,.94);
      border: 1px solid var(--line-2);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
    }

    .filter-card {
      padding: 24px;
    }

    .filter-row {
      display: grid;
      grid-template-columns: 108px minmax(0, 1fr);
      gap: 14px;
      align-items: start;
      padding: 15px 0;
      border-top: 1px dashed var(--line);
    }

    .filter-row:first-child {
      border-top: 0;
      padding-top: 0;
    }

    .filter-label {
      color: var(--text);
      font-weight: 900;
      font-size: 14px;
      padding-top: 6px;
    }

    .filter-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .notice-strip {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      padding: 24px;
      border-radius: 26px;
      background:
        linear-gradient(135deg, rgba(229,57,53,.10), rgba(255,122,26,.15)),
        #fff;
      border: 1px solid rgba(255,122,26,.28);
      box-shadow: var(--shadow);
    }

    .notice-strip h3 {
      margin: 0;
      font-size: 21px;
      line-height: 1.35;
      font-weight: 900;
    }

    .notice-strip p {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .price-chip {
      display: inline-flex;
      align-items: baseline;
      gap: 3px;
      color: var(--red-deep);
      font-weight: 900;
      white-space: nowrap;
    }

    .price-chip b {
      font-size: 36px;
      line-height: 1;
      letter-spacing: -.04em;
    }

    .content-grid {
      display: grid;
      grid-template-columns: minmax(0, 8fr) minmax(300px, 4fr);
      gap: 24px;
      align-items: start;
    }

    .list-stack {
      display: grid;
      gap: 16px;
    }

    .list-card {
      display: grid;
      grid-template-columns: 160px minmax(0, 1fr) 148px;
      gap: 18px;
      padding: 18px;
      align-items: center;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .list-card:hover {
      transform: translateY(-3px);
      border-color: rgba(229,57,53,.28);
      box-shadow: var(--shadow);
    }

    .abstract-cover {
      height: 118px;
      border-radius: 20px;
      position: relative;
      overflow: hidden;
      background:
        radial-gradient(circle at 25% 18%, rgba(255,255,255,.55), transparent 20%),
        linear-gradient(135deg, rgba(229,57,53,.86), rgba(255,122,26,.70));
    }

    .abstract-cover::before {
      content: "";
      position: absolute;
      inset: 14px;
      border: 1px dashed rgba(255,255,255,.45);
      border-radius: 16px;
    }

    .abstract-cover::after {
      content: "中文字幕";
      position: absolute;
      left: 14px;
      bottom: 14px;
      color: #fff;
      font-weight: 950;
      font-size: 14px;
      letter-spacing: .08em;
    }

    .list-body h3 {
      margin: 0;
      font-size: 19px;
      line-height: 1.35;
      font-weight: 900;
      color: var(--text);
    }

    .list-body p {
      margin: 8px 0 12px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .list-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .list-side {
      display: grid;
      justify-items: end;
      gap: 10px;
      color: var(--muted);
      font-size: 13px;
    }

    .status {
      display: inline-flex;
      align-items: center;
      border-radius: 999px;
      padding: 6px 10px;
      font-size: 12px;
      font-weight: 900;
      background: #ECFDF3;
      color: #087443;
      border: 1px solid rgba(22,163,74,.18);
    }

    .status.lock {
      background: linear-gradient(135deg, #FFF2D5, #FFE2B8);
      color: #985100;
      border-color: rgba(255,122,26,.22);
    }

    .sidebar {
      position: sticky;
      top: 24px;
      display: grid;
      gap: 16px;
    }

    .sidebar-card {
      padding: 22px;
    }

    .sidebar-card h3 {
      margin: 0 0 12px;
      font-size: 18px;
      font-weight: 900;
    }

    .sidebar-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .check-list {
      margin: 14px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 9px;
      color: var(--text);
      font-size: 14px;
    }

    .check-list li::before {
      content: "✓";
      flex: 0 0 20px;
      height: 20px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(22,163,74,.12);
      color: var(--green);
      font-size: 12px;
      font-weight: 950;
      margin-top: 2px;
    }

    .hot-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .step-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr 1fr;
      gap: 18px;
    }

    .step-card {
      padding: 24px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--line-2);
      box-shadow: var(--shadow-soft);
      position: relative;
      overflow: hidden;
    }

    .step-card::after {
      content: "";
      position: absolute;
      right: -34px;
      top: -34px;
      width: 98px;
      height: 98px;
      border-radius: 999px;
      background: rgba(255,122,26,.12);
    }

    .step-num {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--red), var(--orange));
      color: #fff;
      font-weight: 950;
      box-shadow: 0 10px 22px rgba(217,45,32,.22);
    }

    .step-card h3 {
      margin: 16px 0 8px;
      font-size: 19px;
      font-weight: 900;
    }

    .step-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .pagination {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 8px;
      margin-top: 24px;
      flex-wrap: wrap;
    }

    .page-btn {
      min-width: 40px;
      height: 40px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: #fff;
      color: var(--muted);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      transition: all .22s ease;
      padding: 0 12px;
    }

    .page-btn:hover {
      color: var(--red-deep);
      border-color: rgba(229,57,53,.32);
      background: #FFF1E7;
    }

    .page-btn.active {
      color: #fff;
      border-color: transparent;
      background: linear-gradient(135deg, var(--red), var(--orange));
      box-shadow: 0 10px 22px rgba(217,45,32,.18);
    }

    .page-btn.disabled {
      opacity: .45;
      cursor: not-allowed;
      background: #f7f3f0;
    }

    .faq-wrap {
      overflow: hidden;
    }

    .faq-item {
      border-top: 1px solid var(--line-2);
    }

    .faq-item:first-child {
      border-top: 0;
    }

    .faq-question {
      width: 100%;
      min-height: 64px;
      border: 0;
      background: #fff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 0 22px;
      color: var(--text);
      font-size: 16px;
      font-weight: 900;
      text-align: left;
      transition: background .22s ease, color .22s ease;
    }

    .faq-question:hover {
      background: #FFF8F2;
      color: var(--red-deep);
    }

    .faq-question .q-mark {
      color: var(--red-deep);
      margin-right: 8px;
      font-weight: 950;
    }

    .faq-arrow {
      flex: 0 0 auto;
      transition: transform .22s ease;
      color: var(--orange);
      font-size: 18px;
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px 52px;
      background: #FFF8F2;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .faq-item.open .faq-question {
      color: var(--red-deep);
      background: #FFF8F2;
    }

    .faq-item.open .faq-arrow {
      transform: rotate(180deg);
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      padding: 34px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 28px;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(217,45,32,.95), rgba(255,122,26,.92)),
        #E53935;
      color: #fff;
      border: 0;
      box-shadow: 0 22px 56px rgba(217,45,32,.22);
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px dashed rgba(255,255,255,.34);
      border-radius: 22px;
      pointer-events: none;
    }

    .cta-panel h2,
    .cta-panel p,
    .cta-panel ul,
    .cta-panel .cta-box {
      position: relative;
      z-index: 1;
    }

    .cta-panel h2 {
      color: #fff;
    }

    .cta-panel p {
      margin: 10px 0 0;
      color: rgba(255,255,255,.82);
    }

    .cta-points {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .cta-points li {
      border-radius: 999px;
      background: rgba(255,255,255,.14);
      border: 1px solid rgba(255,255,255,.18);
      padding: 7px 11px;
      font-size: 13px;
      font-weight: 850;
    }

    .cta-box {
      border-radius: 24px;
      background: rgba(255,255,255,.16);
      border: 1px solid rgba(255,255,255,.24);
      padding: 20px;
      backdrop-filter: blur(12px);
    }

    .cta-box .price-chip {
      color: #fff;
    }

    .cta-box small {
      display: block;
      margin-top: 8px;
      color: rgba(255,255,255,.76);
      font-size: 12px;
    }

    .footer {
      margin-top: 70px;
      background: rgba(255,255,255,.88);
      border-top: 1px solid var(--line);
      padding: 34px 0;
    }

    .footer-grid {
      width: min(1180px, calc(100% - 48px));
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.2fr .8fr 1fr;
      gap: 28px;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-brand {
      color: var(--red-deep);
      font-weight: 950;
      font-size: 18px;
      margin-bottom: 8px;
    }

    .footer p {
      margin: 0;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .footer-links a {
      display: inline-flex;
      border-radius: 999px;
      padding: 7px 11px;
      background: #FFF2E8;
      color: var(--red-deep);
      font-size: 13px;
      font-weight: 850;
      border: 1px solid rgba(255,122,26,.18);
      transition: all .22s ease;
    }

    .footer-links a:hover {
      background: linear-gradient(135deg, var(--red), var(--orange));
      color: #fff;
      border-color: transparent;
      transform: translateY(-1px);
    }

    .sticky-open {
      display: none;
      position: fixed;
      left: 12px;
      right: 12px;
      bottom: 12px;
      z-index: 55;
      padding: 10px 12px;
      border-radius: 20px;
      background: rgba(255,255,255,.94);
      backdrop-filter: blur(14px);
      border: 1px solid var(--line);
      box-shadow: 0 14px 34px rgba(217,45,32,.18);
      align-items: center;
      justify-content: space-between;
      gap: 10px;
    }

    .sticky-open span {
      color: var(--text);
      font-size: 13px;
      font-weight: 900;
      line-height: 1.35;
    }

    @media (max-width: 1024px) {
      .page-shell {
        padding-left: 0;
      }

      .side-nav {
        display: none;
      }

      .mobile-header {
        display: block;
      }

      .main {
        padding-top: 26px;
      }

      .hero-inner {
        grid-template-columns: 1fr;
        padding: 30px;
      }

      .hero::after {
        opacity: .32;
      }

      .content-grid {
        grid-template-columns: 1fr;
      }

      .sidebar {
        position: static;
        grid-template-columns: 1fr 1fr;
      }

      .list-card {
        grid-template-columns: 140px minmax(0, 1fr);
      }

      .list-side {
        grid-column: 1 / -1;
        display: flex;
        justify-content: space-between;
        align-items: center;
      }

      .step-grid {
        grid-template-columns: 1fr;
      }

      .cta-panel {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .sticky-open {
        display: flex;
      }

      body {
        padding-bottom: 76px;
      }
    }

    @media (max-width: 768px) {
      .container,
      .footer-grid {
        width: min(100% - 28px, 1180px);
      }

      .hero {
        border-radius: 24px;
      }

      .hero-inner {
        padding: 24px;
        gap: 22px;
      }

      .hero-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .poster-meta {
        grid-template-columns: 1fr;
      }

      .section {
        margin-top: 46px;
      }

      .section-head {
        grid-template-columns: 1fr;
      }

      .filter-row {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .filter-label {
        padding-top: 0;
      }

      .notice-strip {
        grid-template-columns: 1fr;
      }

      .list-card {
        grid-template-columns: 1fr;
      }

      .abstract-cover {
        height: 150px;
      }

      .list-side {
        justify-content: flex-start;
        flex-wrap: wrap;
      }

      .sidebar {
        grid-template-columns: 1fr;
      }

      .faq-answer {
        padding-left: 22px;
      }

      .mobile-menu {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 520px) {
      .mobile-brand span:last-child {
        max-width: 160px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      h1 {
        font-size: 27px;
      }

      .filter-card,
      .sidebar-card,
      .step-card,
      .cta-panel {
        padding: 20px;
      }

      .hero p,
      .section-desc {
        font-size: 14px;
      }

      .price-chip b {
        font-size: 30px;
      }
    }