/* roulang page: index */
:root{
      --color-primary:#6E56CF;
      --color-primary-dark:#563FB4;
      --color-secondary:#FF7A59;
      --color-accent:#25C2A0;
      --color-bg:#F7F5EF;
      --color-surface:#FFFFFF;
      --color-surface-soft:#FBFAF7;
      --color-text:#172033;
      --color-muted:#667085;
      --color-border:rgba(23,32,51,.12);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:28px;
      --radius-xl:36px;
      --shadow-soft:0 18px 60px rgba(23,32,51,.10);
      --shadow-card:0 14px 36px rgba(23,32,51,.08);
      --shadow-hover:0 22px 50px rgba(110,86,207,.16);
      --nav-height:72px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;text-size-adjust:100%}
    body{
      margin:0;
      min-height:100vh;
      color:var(--color-text);
      background:
        radial-gradient(circle at 12% 10%, rgba(110,86,207,.16), transparent 32%),
        radial-gradient(circle at 88% 0%, rgba(37,194,160,.16), transparent 28%),
        linear-gradient(180deg,#fffaf1 0%,var(--color-bg) 42%,#fff 100%);
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;
      line-height:1.75;
      padding-bottom:86px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(110,86,207,.22);color:#1b1238}
    .site-container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .section{padding:72px 0}
    .section-tight{padding:54px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      padding:.42rem .78rem;
      border:1px solid rgba(110,86,207,.18);
      border-radius:999px;
      color:#5d46bb;
      background:rgba(255,255,255,.76);
      font-weight:700;
      font-size:.88rem;
      box-shadow:0 8px 24px rgba(110,86,207,.08);
    }
    .eyebrow-dot{
      width:.55rem;height:.55rem;border-radius:999px;
      background:linear-gradient(135deg,var(--color-secondary),var(--color-primary));
      box-shadow:0 0 0 5px rgba(255,122,89,.12);
    }
    .section-title{
      margin:14px 0 12px;
      font-size:clamp(1.75rem,3vw,2.8rem);
      line-height:1.16;
      letter-spacing:-.035em;
      font-weight:900;
    }
    .section-desc{
      max-width:760px;
      color:var(--color-muted);
      font-size:1.05rem;
      line-height:1.9;
    }
    .dock-header{
      position:sticky;
      top:16px;
      z-index:50;
      pointer-events:none;
      padding:14px 0 0;
    }
    .dock-nav{
      pointer-events:auto;
      width:min(1040px,calc(100% - 32px));
      margin-inline:auto;
      min-height:var(--nav-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:10px 12px 10px 18px;
      border:1px solid rgba(255,255,255,.78);
      border-radius:999px;
      background:rgba(255,255,255,.78);
      backdrop-filter:blur(22px);
      -webkit-backdrop-filter:blur(22px);
      box-shadow:var(--shadow-dock,0 20px 60px rgba(42,34,91,.16));
    }
    .brand-link{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.02em;
      color:var(--color-text);
    }
    .brand-mark{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      color:#fff;
      background:
        linear-gradient(135deg,var(--color-primary),#8a70f2 46%,var(--color-secondary));
      box-shadow:0 12px 26px rgba(110,86,207,.24);
      flex:0 0 auto;
    }
    .brand-name{
      max-width:280px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:4px;
      border-radius:999px;
      background:rgba(247,245,239,.72);
      border:1px solid rgba(23,32,51,.06);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:0 16px;
      border-radius:999px;
      color:#4b5565;
      font-weight:800;
      transition:background .2s ease,color .2s ease,transform .2s ease;
    }
    .nav-link:hover,.nav-link:focus-visible{background:#fff;color:var(--color-primary);outline:none;transform:translateY(-1px)}
    .nav-link.active{background:var(--color-primary);color:#fff;box-shadow:0 10px 24px rgba(110,86,207,.24)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .mini-search{
      width:184px;
      height:42px;
      border:1px solid rgba(23,32,51,.10);
      border-radius:999px;
      background:#fff;
      padding:0 14px;
      color:var(--color-text);
      outline:none;
      transition:border-color .2s ease,box-shadow .2s ease,width .2s ease;
    }
    .mini-search:focus{
      border-color:rgba(110,86,207,.55);
      box-shadow:0 0 0 5px rgba(110,86,207,.12);
      width:220px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      min-height:46px;
      padding:.76rem 1.12rem;
      border-radius:999px;
      font-weight:900;
      line-height:1;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus-visible{
      outline:3px solid rgba(110,86,207,.28);
      outline-offset:3px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary),#8D73F4);
      box-shadow:0 14px 30px rgba(110,86,207,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(110,86,207,.34)}
    .btn-secondary{
      color:#321d19;
      background:linear-gradient(135deg,#fff,#fff2eb);
      border:1px solid rgba(255,122,89,.22);
      box-shadow:0 12px 28px rgba(255,122,89,.12);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(255,122,89,.4);box-shadow:0 16px 34px rgba(255,122,89,.16)}
    .btn-ghost{
      color:#5d46bb;
      background:rgba(110,86,207,.08);
      border:1px solid rgba(110,86,207,.14);
    }
    .btn-ghost:hover{background:rgba(110,86,207,.12);transform:translateY(-2px)}
    .hero{
      position:relative;
      padding:106px 0 58px;
    }
    .hero-card{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.84);
      border-radius:44px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.90),rgba(255,255,255,.70)),
        radial-gradient(circle at 50% 0%,rgba(110,86,207,.22),transparent 50%);
      box-shadow:0 30px 90px rgba(23,32,51,.12);
      padding:clamp(28px,5vw,68px);
      text-align:center;
    }
    .hero-card::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(circle at 20% 20%,rgba(255,122,89,.20),transparent 26%),
        radial-gradient(circle at 76% 30%,rgba(37,194,160,.20),transparent 30%),
        linear-gradient(90deg,transparent,rgba(110,86,207,.08),transparent);
      pointer-events:none;
    }
    .hero-content{position:relative;z-index:1;max-width:920px;margin-inline:auto}
    .hero h1{
      margin:18px auto 16px;
      max-width:980px;
      font-size:clamp(2.3rem,6vw,5.3rem);
      line-height:1.04;
      font-weight:950;
      letter-spacing:-.065em;
      text-wrap:balance;
    }
    .hero-lead{
      margin:0 auto;
      max-width:780px;
      color:#4c566c;
      font-size:clamp(1.02rem,1.55vw,1.22rem);
      line-height:1.95;
    }
    .search-panel{
      margin:30px auto 0;
      max-width:820px;
      padding:10px;
      border:1px solid rgba(23,32,51,.10);
      border-radius:999px;
      background:rgba(255,255,255,.86);
      box-shadow:0 18px 45px rgba(23,32,51,.10);
      display:flex;
      align-items:center;
      gap:10px;
    }
    .search-icon{
      width:48px;height:48px;border-radius:999px;
      display:grid;place-items:center;
      background:rgba(110,86,207,.10);
      color:var(--color-primary);
      flex:0 0 auto;
    }
    .search-input{
      flex:1;
      width:100%;
      height:52px;
      border:0;
      outline:none;
      background:transparent;
      color:var(--color-text);
      font-weight:700;
    }
    .search-input::placeholder{color:#98a2b3;font-weight:600}
    .search-panel:focus-within{
      border-color:rgba(110,86,207,.48);
      box-shadow:0 0 0 6px rgba(110,86,207,.12),0 20px 55px rgba(23,32,51,.12);
    }
    .hot-tags{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:center;
      gap:10px;
      margin-top:18px;
    }
    .hot-tag,.badge{
      display:inline-flex;
      align-items:center;
      gap:.42rem;
      min-height:34px;
      padding:.42rem .78rem;
      border-radius:999px;
      border:1px solid rgba(23,32,51,.10);
      background:rgba(255,255,255,.72);
      color:#4b5565;
      font-size:.92rem;
      font-weight:800;
      transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
    }
    .hot-tag:hover{transform:translateY(-2px);background:#fff;border-color:rgba(110,86,207,.25);color:var(--color-primary)}
    .hero-stats{
      margin:28px auto 0;
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      max-width:760px;
    }
    .stat-pill{
      padding:15px 14px;
      border-radius:22px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(23,32,51,.08);
      box-shadow:0 10px 28px rgba(23,32,51,.06);
    }
    .stat-num{display:block;font-size:1.55rem;font-weight:950;letter-spacing:-.04em;color:#36236f}
    .stat-label{display:block;color:var(--color-muted);font-weight:700;font-size:.9rem;margin-top:1px}
    .grid-auto{
      display:grid;
      grid-template-columns:repeat(12,minmax(0,1fr));
      gap:18px;
    }
    .card{
      position:relative;
      overflow:hidden;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.82);
      box-shadow:var(--shadow-card);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(110,86,207,.22);
    }
    .entry-card{
      min-height:188px;
      padding:24px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .entry-card.large{grid-column:span 5;background:linear-gradient(135deg,#fff,#f4efff)}
    .entry-card.medium{grid-column:span 4}
    .entry-card.small{grid-column:span 3}
    .icon-box{
      width:46px;height:46px;border-radius:16px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary),#9a82f5);
      box-shadow:0 12px 25px rgba(110,86,207,.24);
      margin-bottom:18px;
    }
    .entry-title,.card-title{
      font-size:1.15rem;
      line-height:1.3;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .entry-text,.card-text{
      margin-top:8px;
      color:var(--color-muted);
      font-size:.98rem;
      line-height:1.75;
    }
    .arrow-link{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      margin-top:18px;
      color:var(--color-primary);
      font-weight:900;
    }
    .arrow-link:hover{color:var(--color-primary-dark)}
    .category-strip{
      display:flex;
      gap:12px;
      overflow:auto;
      padding:4px 2px 18px;
      scrollbar-width:thin;
    }
    .category-chip{
      flex:0 0 auto;
      min-width:178px;
      padding:17px 18px;
      border-radius:22px;
      border:1px solid rgba(23,32,51,.10);
      background:#fff;
      box-shadow:0 10px 28px rgba(23,32,51,.06);
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .category-chip:hover{transform:translateY(-3px);border-color:rgba(110,86,207,.25);box-shadow:0 18px 38px rgba(110,86,207,.12)}
    .category-chip strong{display:block;font-size:1.02rem;font-weight:950}
    .category-chip span{display:block;margin-top:3px;color:var(--color-muted);font-size:.9rem}
    .topic-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
      align-items:stretch;
      margin-top:22px;
    }
    .topic-main{
      padding:28px;
      border-radius:32px;
      background:
        linear-gradient(135deg,rgba(23,32,51,.96),rgba(66,52,137,.94)),
        radial-gradient(circle at 85% 20%,rgba(255,122,89,.5),transparent 35%);
      color:#fff;
      min-height:300px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .topic-main::after{
      content:"";
      position:absolute;
      width:220px;height:220px;border-radius:50%;
      right:-60px;bottom:-80px;
      background:rgba(255,255,255,.08);
    }
    .topic-main p{color:rgba(255,255,255,.78);max-width:640px}
    .topic-side{
      display:grid;
      gap:18px;
    }
    .mini-card{
      padding:24px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-card);
    }
    .timeline{
      margin-top:28px;
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .time-item{
      position:relative;
      padding:24px 20px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:0 12px 30px rgba(23,32,51,.06);
    }
    .time-item::before{
      content:"";
      display:block;
      width:12px;height:12px;border-radius:999px;
      background:var(--color-accent);
      box-shadow:0 0 0 7px rgba(37,194,160,.12);
      margin-bottom:16px;
    }
    .time-step{font-weight:950;color:#3a2a82}
    .time-item p{margin-top:8px;color:var(--color-muted);line-height:1.7}
    .deal-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:20px;
      align-items:stretch;
    }
    .progress-card{
      padding:28px;
      border-radius:34px;
      background:linear-gradient(135deg,#fff6ef,#fff);
      border:1px solid rgba(255,122,89,.18);
      box-shadow:var(--shadow-card);
    }
    .progress-track{
      height:12px;
      border-radius:999px;
      background:rgba(255,122,89,.15);
      overflow:hidden;
      margin:20px 0 12px;
    }
    .progress-fill{
      width:68%;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--color-secondary),var(--color-primary));
    }
    .tier-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:14px;
    }
    .tier-card{
      padding:22px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:0 12px 28px rgba(23,32,51,.06);
    }
    .tier-card.featured{
      border-color:rgba(110,86,207,.35);
      background:linear-gradient(180deg,#fff,#f6f2ff);
      box-shadow:0 18px 38px rgba(110,86,207,.14);
    }
    .tier-card b{display:block;font-size:1.15rem}
    .tier-card small{display:block;color:var(--color-muted);margin-top:6px;line-height:1.6}
    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);
      gap:22px;
      margin-top:28px;
    }
    .news-list{
      border-radius:32px;
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-card);
      overflow:hidden;
    }
    .news-link{
      display:grid;
      grid-template-columns:110px 1fr auto;
      gap:18px;
      align-items:center;
      padding:20px 22px;
      border-bottom:1px solid rgba(23,32,51,.08);
      transition:background .2s ease,color .2s ease;
    }
    .news-link:last-child{border-bottom:0}
    .news-link:hover{background:#faf7ff;color:var(--color-primary)}
    .news-date{
      color:var(--color-muted);
      font-weight:850;
      font-size:.92rem;
    }
    .news-title{font-weight:950;line-height:1.45}
    .news-arrow{color:#98a2b3;font-weight:950}
    .recommend-box{
      padding:26px;
      border-radius:32px;
      background:linear-gradient(135deg,#20233a,#46328d);
      color:#fff;
      box-shadow:0 20px 48px rgba(23,32,51,.18);
    }
    .recommend-box p{color:rgba(255,255,255,.76)}
    .recommend-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .recommend-list li{
      padding:12px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.12);
    }
    .bubble-wall{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
      margin-top:28px;
    }
    .bubble{
      padding:24px;
      border-radius:30px;
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-card);
    }
    .avatar-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}
    .avatar{
      width:42px;height:42px;border-radius:50%;
      display:grid;place-items:center;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));
    }
    .bubble cite{display:block;font-style:normal;font-weight:950}
    .bubble small{color:var(--color-muted)}
    .bubble p{color:#475467;line-height:1.8}
    .faq-wrap{
      margin-top:28px;
      display:grid;
      gap:14px;
    }
    details.faq-item{
      border:1px solid var(--color-border);
      border-radius:24px;
      background:#fff;
      box-shadow:0 10px 26px rgba(23,32,51,.05);
      overflow:hidden;
    }
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:20px 24px;
      font-weight:950;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    details.faq-item summary::after{
      content:"+";
      width:30px;height:30px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(110,86,207,.10);
      color:var(--color-primary);
      font-weight:950;
      flex:0 0 auto;
    }
    details.faq-item[open] summary::after{content:"−";background:var(--color-primary);color:#fff}
    .faq-answer{
      padding:0 24px 22px;
      color:var(--color-muted);
      line-height:1.9;
    }
    .guard-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
      margin-top:28px;
    }
    .guard-card{
      padding:24px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-card);
    }
    .guard-card strong{display:block;font-size:1.05rem;font-weight:950;margin-top:12px}
    .guard-card p{margin-top:8px;color:var(--color-muted);line-height:1.7}
    .app-stage{
      overflow:hidden;
      border-radius:42px;
      background:
        radial-gradient(circle at 14% 20%,rgba(255,122,89,.22),transparent 32%),
        radial-gradient(circle at 86% 20%,rgba(37,194,160,.20),transparent 30%),
        linear-gradient(135deg,#191d33,#382377 58%,#6E56CF);
      color:#fff;
      padding:clamp(28px,5vw,54px);
      display:grid;
      grid-template-columns:1fr .9fr;
      gap:30px;
      align-items:center;
      box-shadow:0 28px 70px rgba(23,32,51,.22);
    }
    .app-stage .section-title{color:#fff}
    .app-stage .section-desc{color:rgba(255,255,255,.76)}
    .device-card{
      border-radius:34px;
      padding:20px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(12px);
      display:grid;
      gap:14px;
    }
    .device-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:16px;
      border-radius:22px;
      background:rgba(255,255,255,.12);
    }
    .device-row span{color:rgba(255,255,255,.72);font-size:.92rem}
    .footer{
      background:#101525;
      color:#d8ddeb;
      padding:54px 0 34px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{display:flex;align-items:center;gap:12px;font-weight:950;color:#fff}
    .footer p{color:#aab2c5;line-height:1.85}
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:12px;
    }
    .footer-link{
      padding:.55rem .85rem;
      border-radius:999px;
      color:#d8ddeb;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      transition:background .2s ease,color .2s ease;
    }
    .footer-link:hover{background:rgba(255,255,255,.12);color:#fff}
    .copyright{
      margin-top:30px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:#8f98ad;
      font-size:.92rem;
    }
    .fixed-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      z-index:60;
      width:min(920px,calc(100% - 28px));
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:12px 14px 12px 20px;
      border-radius:999px;
      background:rgba(23,32,51,.88);
      color:#fff;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 20px 60px rgba(23,32,51,.28);
      backdrop-filter:blur(18px);
    }
    .fixed-cta strong{font-weight:950}
    .fixed-cta span{color:rgba(255,255,255,.72);font-size:.92rem}
    .fixed-cta .btn{min-height:42px;padding:.7rem 1rem}
    @media (max-width:1024px){
      .mini-search{display:none}
      .entry-card.large,.entry-card.medium{grid-column:span 6}
      .entry-card.small{grid-column:span 6}
      .topic-grid,.deal-wrap,.app-stage{grid-template-columns:1fr}
      .timeline,.guard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .bubble-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
      .news-layout{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      body{padding-bottom:112px}
      .site-container{width:min(100% - 28px,var(--container))}
      .section{padding:54px 0}
      .dock-header{top:8px;padding-top:8px}
      .dock-nav{
        border-radius:26px;
        align-items:stretch;
        flex-wrap:wrap;
        padding:12px;
      }
      .brand-link{flex:1 1 100%}
      .brand-name{max-width:calc(100vw - 110px)}
      .nav-links{order:2;flex:1;justify-content:flex-start;overflow:auto}
      .nav-actions{order:3}
      .hero{padding-top:86px}
      .hero-card{border-radius:32px;padding:26px 18px}
      .search-panel{
        border-radius:28px;
        flex-wrap:wrap;
        padding:12px;
      }
      .search-input{height:46px;min-width:0}
      .search-panel .btn{width:100%}
      .hero-stats{grid-template-columns:1fr}
      .entry-card.large,.entry-card.medium,.entry-card.small{grid-column:span 12}
      .tier-grid{grid-template-columns:1fr}
      .news-link{grid-template-columns:1fr auto;gap:8px}
      .news-date{grid-column:1 / -1}
      .guard-grid,.timeline,.bubble-wall{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
      .fixed-cta{
        border-radius:28px;
        align-items:flex-start;
        flex-direction:column;
      }
      .fixed-cta .btn{width:100%}
    }
    @media (max-width:520px){
      .nav-actions .btn{display:none}
      .nav-link{padding:0 14px}
      .hero h1{letter-spacing:-.045em}
      .section-title{letter-spacing:-.025em}
      .topic-main,.progress-card,.recommend-box,.app-stage{border-radius:28px}
      .category-chip{min-width:152px}
    }
