/* roulang page: index */
:root{
      --bg:#080b12;
      --bg-soft:#0f1522;
      --panel:#121a2a;
      --panel-2:#172236;
      --card:#ffffff;
      --text:#101827;
      --text-invert:#f8fafc;
      --muted:#64748b;
      --muted-invert:#a7b0c2;
      --line:#e5e7eb;
      --line-dark:rgba(255,255,255,.12);
      --primary:#ff3347;
      --primary-dark:#d91f33;
      --secondary:#20d6b5;
      --warning:#ffb020;
      --violet:#8b5cf6;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:28px;
      --shadow-sm:0 8px 22px rgba(15,23,42,.08);
      --shadow:0 18px 50px rgba(15,23,42,.14);
      --shadow-dark:0 24px 70px rgba(0,0,0,.32);
      --container:1160px;
      --nav-h:78px;
      --ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:#f6f7fb;
      line-height:1.68;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary)}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0}
    ::selection{background:rgba(255,51,71,.22)}
    .container-page{width:min(100% - 32px,var(--container));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(8,11,18,.88);
      backdrop-filter:blur(16px);
      border-bottom:1px solid var(--line-dark);
    }
    .brand-row{
      min-height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:.02em;
      color:#fff;
      white-space:nowrap;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--primary),#ff7a1a);
      color:#fff;
      box-shadow:0 10px 26px rgba(255,51,71,.35);
    }
    .brand-text{font-size:1.08rem}
    .nav-shell{
      display:flex;
      align-items:center;
      gap:14px;
      flex:1;
      justify-content:flex-end;
      min-width:0;
    }
    .icon-nav{
      display:flex;
      align-items:center;
      gap:10px;
      padding:8px;
      border:1px solid rgba(255,255,255,.1);
      border-radius:20px;
      background:rgba(255,255,255,.055);
      overflow-x:auto;
      scrollbar-width:none;
    }
    .icon-nav::-webkit-scrollbar{display:none}
    .nav-item-icon{
      display:flex;
      align-items:center;
      gap:8px;
      color:#dbe2ef;
      padding:10px 15px;
      border-radius:15px;
      font-size:.94rem;
      font-weight:700;
      white-space:nowrap;
    }
    .nav-item-icon i{
      width:24px;
      height:24px;
      border-radius:9px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.09);
      color:var(--secondary);
      font-size:.82rem;
    }
    .nav-item-icon:hover,.nav-item-icon.active{
      background:#fff;
      color:#0b1020;
      transform:translateY(-1px);
    }
    .nav-item-icon.active i{background:rgba(255,51,71,.12);color:var(--primary)}
    .header-action{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .mini-search{
      width:210px;
      position:relative;
    }
    .mini-search input{
      width:100%;
      height:44px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      color:#fff;
      padding:0 40px 0 16px;
      outline:none;
    }
    .mini-search input::placeholder{color:#9aa4b7}
    .mini-search input:focus{
      border-color:rgba(32,214,181,.65);
      box-shadow:0 0 0 4px rgba(32,214,181,.13);
    }
    .mini-search i{
      position:absolute;
      right:15px;
      top:50%;
      transform:translateY(-50%);
      color:#a7b0c2;
    }
    .btn-main,.btn-ghost,.btn-lightline{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      padding:13px 20px;
      font-weight:800;
      line-height:1;
      min-height:48px;
      transition:var(--ease);
      cursor:pointer;
    }
    .btn-main{
      background:linear-gradient(135deg,var(--primary),#ff7a1a);
      color:#fff;
      box-shadow:0 14px 34px rgba(255,51,71,.28);
    }
    .btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 44px rgba(255,51,71,.36)}
    .btn-ghost{
      color:#fff;
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.07);
    }
    .btn-ghost:hover{color:#fff;background:rgba(255,255,255,.14);transform:translateY(-2px)}
    .btn-lightline{
      color:#111827;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .btn-lightline:hover{transform:translateY(-2px);box-shadow:var(--shadow);color:var(--primary)}
    .btn-main:focus,.btn-ghost:focus,.btn-lightline:focus,.nav-item-icon:focus{
      outline:3px solid rgba(32,214,181,.32);
      outline-offset:3px;
    }
    .hero{
      position:relative;
      padding:54px 0 38px;
      color:var(--text-invert);
      background:
        radial-gradient(circle at 12% 8%,rgba(255,51,71,.24),transparent 34%),
        radial-gradient(circle at 84% 16%,rgba(32,214,181,.18),transparent 32%),
        linear-gradient(180deg,#080b12 0%,#111827 100%);
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(180deg,#000 0%,transparent 90%);
      opacity:.55;
    }
    .hero-inner{position:relative;z-index:2}
    .status-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 16px;
      margin-bottom:28px;
      border:1px solid var(--line-dark);
      background:rgba(255,255,255,.06);
      border-radius:18px;
      box-shadow:var(--shadow-dark);
    }
    .status-pill{
      display:flex;
      align-items:center;
      gap:9px;
      color:#dbeafe;
      font-weight:800;
      font-size:.92rem;
    }
    .pulse{
      width:10px;height:10px;border-radius:50%;
      background:var(--secondary);
      box-shadow:0 0 0 0 rgba(32,214,181,.8);
      animation:pulse 1.8s infinite;
    }
    @keyframes pulse{70%{box-shadow:0 0 0 12px rgba(32,214,181,0)}100%{box-shadow:0 0 0 0 rgba(32,214,181,0)}}
    .status-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      font-size:.82rem;
      font-weight:800;
      color:#e5e7eb;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:30px;
      align-items:stretch;
    }
    .hero-copy{
      padding:18px 0 10px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      color:#ffe4e8;
      background:rgba(255,51,71,.14);
      border:1px solid rgba(255,51,71,.28);
      font-weight:900;
      font-size:.88rem;
      margin-bottom:18px;
    }
    h1{
      font-size:clamp(2.2rem,5vw,4.8rem);
      line-height:1.06;
      letter-spacing:-.055em;
      margin:0 0 20px;
      font-weight:950;
    }
    .hero-title-accent{color:#fff}
    .hero-title-accent strong{
      color:transparent;
      background:linear-gradient(135deg,#fff,#ffb4be 38%,#20d6b5);
      -webkit-background-clip:text;
      background-clip:text;
    }
    .hero-desc{
      max-width:760px;
      font-size:1.08rem;
      color:#cbd5e1;
      margin:0 0 24px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      max-width:720px;
    }
    .metric{
      padding:15px;
      border-radius:18px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.11);
    }
    .metric strong{display:block;font-size:1.35rem;color:#fff;line-height:1.1}
    .metric span{font-size:.86rem;color:#a7b0c2}
    .icon-matrix{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      align-content:center;
      padding:18px;
      border-radius:30px;
      background:linear-gradient(180deg,rgba(255,255,255,.11),rgba(255,255,255,.045));
      border:1px solid rgba(255,255,255,.13);
      box-shadow:var(--shadow-dark);
    }
    .matrix-card{
      min-height:128px;
      border-radius:22px;
      padding:16px;
      background:rgba(8,11,18,.58);
      border:1px solid rgba(255,255,255,.12);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:var(--ease);
    }
    .matrix-card:hover{transform:translateY(-4px);border-color:rgba(32,214,181,.38);background:rgba(255,255,255,.08)}
    .matrix-card i{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:rgba(255,51,71,.13);
      color:#ff8a98;
      font-size:1.1rem;
    }
    .matrix-card:nth-child(2n) i{background:rgba(32,214,181,.12);color:#55e6cf}
    .matrix-card b{font-size:.98rem;color:#fff}
    .matrix-card small{color:#9aa4b7;font-weight:700}
    main{background:#f6f7fb}
    .section{
      padding:76px 0;
      position:relative;
    }
    .section-tight{padding:58px 0}
    .section-dark{
      background:#0d1320;
      color:#fff;
      overflow:hidden;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-kicker{
      color:var(--primary);
      font-weight:950;
      letter-spacing:.08em;
      font-size:.82rem;
      text-transform:uppercase;
      margin-bottom:8px;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.65rem,3vw,2.65rem);
      line-height:1.18;
      letter-spacing:-.035em;
      font-weight:950;
    }
    .section-desc{
      margin:10px 0 0;
      color:var(--muted);
      max-width:680px;
      font-size:1.02rem;
    }
    .section-dark .section-desc{color:#a7b0c2}
    .entry-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .entry-card{
      padding:22px;
      min-height:178px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(226,232,240,.9);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }
    .entry-card:after{
      content:"";
      position:absolute;
      width:92px;height:92px;
      right:-30px;bottom:-34px;
      border-radius:50%;
      background:rgba(255,51,71,.08);
    }
    .entry-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,51,71,.24)}
    .entry-icon{
      width:50px;height:50px;border-radius:18px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#ff7a1a);
      margin-bottom:16px;
    }
    .entry-card:nth-child(2) .entry-icon{background:linear-gradient(135deg,var(--secondary),#2aa7ff)}
    .entry-card:nth-child(3) .entry-icon{background:linear-gradient(135deg,var(--violet),#ec4899)}
    .entry-card:nth-child(4) .entry-icon{background:linear-gradient(135deg,#111827,#475569)}
    .entry-card h3{font-size:1.08rem;font-weight:950;margin:0 0 8px}
    .entry-card p{margin:0;color:var(--muted);font-size:.95rem}
    .campaign-strip{
      border-radius:30px;
      padding:28px;
      background:
        linear-gradient(90deg,rgba(255,51,71,.94),rgba(255,122,26,.92)),
        radial-gradient(circle at 80% 20%,rgba(255,255,255,.35),transparent 28%);
      color:#fff;
      box-shadow:0 22px 58px rgba(255,51,71,.24);
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:center;
      overflow:hidden;
      position:relative;
    }
    .campaign-strip:before{
      content:"";
      position:absolute;
      inset:auto -40px -70px auto;
      width:230px;height:230px;border-radius:50%;
      background:rgba(255,255,255,.16);
    }
    .campaign-strip h2{font-size:clamp(1.5rem,3vw,2.35rem);font-weight:950;margin:0 0 10px;letter-spacing:-.035em}
    .campaign-strip p{margin:0;color:#fff1f2}
    .count-boxes{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;position:relative;z-index:2}
    .count-box{
      padding:16px 12px;
      border-radius:18px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.2);
      text-align:center;
    }
    .count-box strong{display:block;font-size:1.55rem;line-height:1;color:#fff}
    .count-box span{font-size:.82rem;color:#ffe4e6}
    .timeline-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:28px;
      align-items:start;
    }
    .milestone-panel{
      border-radius:28px;
      padding:28px;
      background:#111827;
      color:#fff;
      min-height:100%;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .milestone-panel:after{
      content:"";
      position:absolute;
      inset:-80px -90px auto auto;
      width:220px;height:220px;border-radius:50%;
      background:rgba(32,214,181,.2);
      filter:blur(2px);
    }
    .milestone-panel h2{font-weight:950;letter-spacing:-.035em;margin-bottom:12px}
    .milestone-panel p{color:#cbd5e1;margin-bottom:18px}
    .progress-status{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.11);
      margin-top:14px;
    }
    .progress-status span{color:#a7b0c2;font-size:.88rem}
    .progress-status b{color:#fff}
    .timeline{
      position:relative;
      padding-left:22px;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:8px;top:8px;bottom:8px;
      width:2px;background:linear-gradient(var(--primary),var(--secondary));
      opacity:.45;
    }
    .timeline-item{
      position:relative;
      padding:0 0 22px 28px;
    }
    .timeline-item:last-child{padding-bottom:0}
    .timeline-dot{
      position:absolute;
      left:-20px;top:6px;
      width:16px;height:16px;border-radius:50%;
      background:#fff;
      border:4px solid var(--primary);
      box-shadow:0 0 0 5px rgba(255,51,71,.1);
    }
    .timeline-card{
      padding:20px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .timeline-card h3{font-size:1.08rem;font-weight:950;margin:0 0 7px}
    .timeline-card p{margin:0;color:var(--muted);font-size:.96rem}
    .media-scroll{
      display:flex;
      gap:16px;
      overflow-x:auto;
      padding:4px 4px 14px;
      scroll-snap-type:x mandatory;
    }
    .media-scroll::-webkit-scrollbar{height:8px}
    .media-scroll::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:999px}
    .media-card{
      flex:0 0 310px;
      scroll-snap-align:start;
      border-radius:24px;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .media-top{
      height:132px;
      padding:18px;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(17,24,39,.98),rgba(255,51,71,.72)),
        radial-gradient(circle at 80% 20%,rgba(32,214,181,.8),transparent 35%);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .media-type{
      align-self:flex-start;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.18);
      font-size:.78rem;
      font-weight:900;
    }
    .media-top i{font-size:1.6rem;color:#fff}
    .media-body{padding:18px}
    .media-body h3{font-size:1.04rem;font-weight:950;margin:0 0 8px}
    .media-body p{margin:0;color:var(--muted);font-size:.93rem}
    .news-layout{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:22px;
    }
    .news-list,.recommend-panel,.security-card,.app-panel,.faq-card{
      border-radius:28px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .news-list{padding:10px}
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:15px;
      align-items:center;
      padding:18px;
      border-radius:20px;
      transition:var(--ease);
    }
    .news-item:not(:last-child){border-bottom:1px solid #edf0f5}
    .news-item:hover{background:#f8fafc;transform:translateX(2px)}
    .news-date{
      width:62px;height:54px;border-radius:16px;
      background:#111827;
      color:#fff;
      display:grid;place-items:center;
      font-weight:950;
      line-height:1.05;
      text-align:center;
      font-size:.86rem;
    }
    .news-content a{font-weight:950;font-size:1.02rem;color:#111827}
    .news-content a:hover{color:var(--primary)}
    .news-content p{margin:4px 0 0;color:var(--muted);font-size:.92rem}
    .news-arrow{color:#94a3b8}
    .recommend-panel{padding:22px;background:#111827;color:#fff;position:relative;overflow:hidden}
    .recommend-panel:before{
      content:"";
      position:absolute;
      inset:-70px -70px auto auto;
      width:180px;height:180px;border-radius:50%;
      background:rgba(255,51,71,.28);
    }
    .recommend-panel h3{font-weight:950;margin:0 0 10px;position:relative}
    .recommend-panel p{color:#cbd5e1;margin:0 0 18px;position:relative}
    .hot-rank{display:grid;gap:10px;position:relative}
    .hot-rank a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:12px 13px;
      border-radius:15px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
      color:#fff;
      font-weight:800;
    }
    .hot-rank a:hover{background:rgba(255,255,255,.14);color:#fff}
    .hot-rank em{font-style:normal;color:var(--secondary);font-size:.82rem}
    .security-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .security-card{
      padding:22px;
      transition:var(--ease);
    }
    .security-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .security-card i{
      width:48px;height:48px;border-radius:17px;
      display:grid;place-items:center;
      color:var(--secondary);
      background:rgba(32,214,181,.12);
      margin-bottom:14px;
      font-size:1.15rem;
    }
    .security-card h3{font-weight:950;font-size:1.05rem;margin:0 0 8px}
    .security-card p{margin:0;color:var(--muted);font-size:.94rem}
    .app-panel{
      padding:0;
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr 1fr;
      align-items:stretch;
    }
    .app-copy{padding:34px}
    .app-copy h2{font-weight:950;letter-spacing:-.035em;margin:0 0 12px}
    .app-copy p{color:var(--muted);margin:0 0 20px}
    .app-features{display:grid;gap:10px;margin:20px 0 0;padding:0;list-style:none}
    .app-features li{
      display:flex;gap:10px;align-items:flex-start;
      color:#334155;
      font-weight:700;
    }
    .app-features i{color:var(--secondary);margin-top:5px}
    .app-visual{
      min-height:330px;
      padding:28px;
      background:
        radial-gradient(circle at 25% 20%,rgba(32,214,181,.22),transparent 34%),
        linear-gradient(135deg,#111827,#1f2937);
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .device-stack{
      width:min(100%,360px);
      display:grid;
      gap:12px;
    }
    .device-bar{
      border-radius:18px;
      padding:15px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      display:flex;
      align-items:center;
      gap:12px;
      box-shadow:0 12px 36px rgba(0,0,0,.18);
    }
    .device-bar:nth-child(2){transform:translateX(22px)}
    .device-bar:nth-child(3){transform:translateX(-12px)}
    .device-bar i{
      width:40px;height:40px;border-radius:14px;
      display:grid;place-items:center;
      background:rgba(255,51,71,.17);
      color:#ff9aa5;
    }
    .device-bar b{display:block;color:#fff}
    .device-bar span{display:block;color:#a7b0c2;font-size:.86rem}
    .faq-wrap{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:24px;
      align-items:start;
    }
    .faq-aside{
      padding:26px;
      border-radius:28px;
      background:linear-gradient(180deg,#111827,#172036);
      color:#fff;
      box-shadow:var(--shadow);
    }
    .faq-aside p{color:#cbd5e1;margin:12px 0 18px}
    .accordion{
      display:grid;
      gap:12px;
    }
    .faq-card{overflow:hidden}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:20px 22px;
      background:#fff;
      color:#111827;
      font-weight:950;
      text-align:left;
      border-radius:28px;
    }
    .faq-question:hover{color:var(--primary)}
    .faq-question:focus{outline:3px solid rgba(255,51,71,.18);outline-offset:-3px}
    .faq-answer{
      padding:0 22px 22px;
      color:var(--muted);
      margin:0;
    }
    .cta-band{
      padding:30px;
      border-radius:32px;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(255,51,71,.94),rgba(17,24,39,.96) 58%,rgba(32,214,181,.84)),
        radial-gradient(circle at 12% 12%,rgba(255,255,255,.22),transparent 24%);
      box-shadow:0 24px 70px rgba(17,24,39,.22);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
      overflow:hidden;
    }
    .cta-band h2{font-weight:950;letter-spacing:-.035em;margin:0 0 8px}
    .cta-band p{margin:0;color:#f1f5f9;max-width:690px}
    .site-footer{
      background:#070a11;
      color:#cbd5e1;
      padding:48px 0 28px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:950;
      margin-bottom:12px;
    }
    .footer-brand .brand-mark{width:38px;height:38px;border-radius:14px}
    .footer-text{max-width:620px;color:#9aa4b7;margin:0}
    .footer-links{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      color:#cbd5e1;
      font-weight:700;
      font-size:.92rem;
    }
    .footer-links a:hover{color:#fff;background:rgba(255,255,255,.12)}
    .copyright{
      margin-top:30px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:#7b8799;
      font-size:.9rem;
    }
    @media (max-width:1024px){
      :root{--nav-h:72px}
      .mini-search{display:none}
      .hero-grid,.timeline-wrap,.news-layout,.faq-wrap,.app-panel{grid-template-columns:1fr}
      .entry-grid,.security-grid{grid-template-columns:repeat(2,1fr)}
      .icon-matrix{max-width:760px}
      .campaign-strip{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .brand-row{flex-wrap:wrap;padding:14px 0}
      .nav-shell{width:100%;justify-content:flex-start}
      .icon-nav{width:100%;display:grid;grid-template-columns:repeat(1,1fr)}
      .nav-item-icon{justify-content:center}
      .status-line{align-items:flex-start;flex-direction:column}
      .status-tags{justify-content:flex-start}
      .hero{padding:34px 0 30px}
      .hero-grid{gap:20px}
      .icon-matrix{grid-template-columns:repeat(2,1fr);padding:12px}
      .matrix-card{min-height:118px}
      .hero-metrics{grid-template-columns:1fr}
      .section{padding:56px 0}
      .section-head{display:block}
      .section-desc{font-size:.98rem}
      .count-boxes{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
      .cta-band{display:block}
      .cta-band .btn-lightline{margin-top:18px}
    }
    @media (max-width:520px){
      .container-page{width:min(100% - 22px,var(--container))}
      .brand-text{font-size:1rem}
      .header-action{display:none}
      h1{font-size:2.08rem;letter-spacing:-.04em}
      .hero-desc{font-size:1rem}
      .hero-actions .btn-main,.hero-actions .btn-ghost,.btn-lightline{width:100%}
      .icon-matrix,.entry-grid,.security-grid{grid-template-columns:1fr}
      .campaign-strip,.cta-band,.app-copy{padding:22px}
      .media-card{flex-basis:84vw}
      .news-item{grid-template-columns:1fr;gap:9px}
      .news-date{width:100%;height:auto;padding:10px}
      .app-visual{min-height:280px;padding:20px}
      .device-bar:nth-child(2),.device-bar:nth-child(3){transform:none}
      .copyright{display:block}
      .copyright span{display:block;margin-top:6px}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}