/* roulang page: index */
:root{
      --brand:#7c3aed;
      --brand-2:#ec4899;
      --brand-3:#06b6d4;
      --ink:#111827;
      --muted:#667085;
      --soft:#f7f4ff;
      --soft-2:#effbff;
      --surface:#ffffff;
      --surface-dark:#151022;
      --line:#e8e3f3;
      --warning:#ffb020;
      --success:#12b76a;
      --danger:#f04438;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow-sm:0 10px 24px rgba(17,24,39,.08);
      --shadow:0 22px 60px rgba(32,18,67,.14);
      --shadow-glow:0 20px 70px rgba(124,58,237,.28);
      --container:1180px;
      --nav-h:76px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(236,72,153,.08), transparent 28%),
        radial-gradient(circle at 92% 18%, rgba(6,182,212,.10), transparent 26%),
        linear-gradient(180deg,#ffffff 0%,#fbf9ff 46%,#ffffff 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:all .22s var(--ease)}
    a:hover{color:var(--brand)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(124,58,237,.18);color:var(--ink)}
    :focus-visible{outline:3px solid rgba(124,58,237,.35);outline-offset:3px;border-radius:10px}

    .container-xl{max-width:var(--container)}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,255,255,.88);
      backdrop-filter:saturate(180%) blur(16px);
      border-bottom:1px solid rgba(232,227,243,.82);
      box-shadow:0 8px 30px rgba(17,24,39,.04);
    }
    .navbar{
      min-height:var(--nav-h);
      padding:12px 0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#fff;
      box-shadow:0 12px 28px rgba(124,58,237,.28);
      margin-right:10px;
      position:relative;
      overflow:hidden;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:22px;height:22px;
      border:2px solid rgba(255,255,255,.55);
      border-radius:50%;
      right:-6px;bottom:-4px;
    }
    .navbar-brand{
      display:flex;align-items:center;
      font-weight:900;
      letter-spacing:-.02em;
      color:var(--ink);
      font-size:1.18rem;
    }
    .navbar-nav .nav-link{
      color:#4b5563;
      font-weight:700;
      padding:10px 14px!important;
      border-radius:999px;
    }
    .navbar-nav .nav-link:hover{
      color:var(--brand);
      background:rgba(124,58,237,.08);
    }
    .navbar-nav .nav-link.active{
      color:var(--brand);
      background:linear-gradient(180deg,rgba(124,58,237,.13),rgba(124,58,237,.06));
    }
    .nav-search{
      width:260px;
      position:relative;
    }
    .nav-search i{
      position:absolute;left:14px;top:50%;transform:translateY(-50%);
      color:#98a2b3;
      pointer-events:none;
    }
    .nav-search input{
      width:100%;
      height:44px;
      border:1px solid var(--line);
      border-radius:999px;
      background:#fff;
      padding:0 14px 0 40px;
      color:var(--ink);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.8);
    }
    .nav-search input:focus{
      border-color:rgba(124,58,237,.55);
      box-shadow:0 0 0 4px rgba(124,58,237,.10);
      outline:0;
    }
    .btn-brand,.btn-ghost,.btn-darkline{
      border:0;
      border-radius:999px;
      font-weight:800;
      padding:12px 20px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      transition:all .22s var(--ease);
      white-space:nowrap;
    }
    .btn-brand{
      color:#fff!important;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 14px 34px rgba(124,58,237,.28);
    }
    .btn-brand:hover{
      transform:translateY(-2px);
      box-shadow:0 20px 46px rgba(124,58,237,.34);
      color:#fff!important;
    }
    .btn-ghost{
      color:var(--brand)!important;
      background:rgba(124,58,237,.09);
      border:1px solid rgba(124,58,237,.16);
    }
    .btn-ghost:hover{
      background:rgba(124,58,237,.14);
      transform:translateY(-2px);
    }
    .btn-darkline{
      color:#fff!important;
      background:rgba(255,255,255,.11);
      border:1px solid rgba(255,255,255,.22);
    }
    .btn-darkline:hover{
      background:rgba(255,255,255,.18);
      transform:translateY(-2px);
    }

    .campaign-bar{
      background:linear-gradient(90deg,#1f1536,#3a1760 45%,#831843);
      color:#fff;
      font-size:.92rem;
      overflow:hidden;
    }
    .campaign-inner{
      max-width:var(--container);
      margin:0 auto;
      padding:10px 16px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:14px;
      text-align:center;
    }
    .campaign-pill{
      display:inline-flex;align-items:center;gap:6px;
      padding:4px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.14);
      color:#ffe7a3;
      font-weight:800;
      flex:0 0 auto;
    }

    main{position:relative}
    section{position:relative}
    .section-pad{padding:88px 0}
    .section-pad-sm{padding:66px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--brand);
      background:rgba(124,58,237,.08);
      border:1px solid rgba(124,58,237,.14);
      border-radius:999px;
      padding:7px 12px;
      font-weight:800;
      font-size:.92rem;
      margin-bottom:14px;
    }
    .section-title{
      font-size:clamp(1.8rem,3.3vw,3rem);
      line-height:1.16;
      letter-spacing:-.04em;
      font-weight:950;
      margin:0 0 14px;
      color:#151122;
    }
    .section-desc{
      color:var(--muted);
      font-size:1.04rem;
      max-width:760px;
      margin:0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:26px;
      margin-bottom:34px;
    }

    .hero{
      padding:78px 0 58px;
      min-height:620px;
      display:flex;
      align-items:center;
      background:
        linear-gradient(120deg,rgba(20,14,33,.90),rgba(61,24,93,.86)),
        radial-gradient(circle at 20% 20%,rgba(236,72,153,.45),transparent 24%),
        radial-gradient(circle at 80% 32%,rgba(6,182,212,.35),transparent 22%);
      color:#fff;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.055) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.8),rgba(0,0,0,.2));
    }
    .hero:after{
      content:"";
      position:absolute;
      width:620px;height:620px;
      left:50%;top:24%;
      transform:translate(-50%,-50%);
      background:radial-gradient(circle,rgba(236,72,153,.24),transparent 68%);
      pointer-events:none;
    }
    .hero-content{
      position:relative;
      z-index:2;
      max-width:940px;
      margin:0 auto;
      text-align:center;
    }
    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:9px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.22);
      background:rgba(255,255,255,.10);
      padding:8px 14px;
      color:#ffe6fb;
      font-weight:800;
      margin-bottom:18px;
      backdrop-filter:blur(12px);
    }
    .hero h1{
      font-size:clamp(2.35rem,6.4vw,5.25rem);
      line-height:1.02;
      letter-spacing:-.07em;
      font-weight:1000;
      margin:0 auto 18px;
      max-width:980px;
    }
    .hero h1 .grad{
      background:linear-gradient(90deg,#fff,#ffd3f0 36%,#a5f3fc 72%,#fff);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-intro{
      max-width:790px;
      margin:0 auto 28px;
      color:rgba(255,255,255,.80);
      font-size:1.12rem;
    }
    .hero-search-wrap{
      max-width:760px;
      margin:0 auto 18px;
      padding:8px;
      border-radius:999px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.20);
      box-shadow:var(--shadow-glow);
      backdrop-filter:blur(14px);
    }
    .hero-search{
      display:flex;
      align-items:center;
      gap:10px;
      background:#fff;
      border-radius:999px;
      padding:8px 8px 8px 18px;
    }
    .hero-search i{color:var(--brand);font-size:1.25rem}
    .hero-search input{
      flex:1;
      border:0;
      outline:0;
      min-width:0;
      color:var(--ink);
      font-weight:650;
    }
    .hero-search input::placeholder{color:#98a2b3;font-weight:600}
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:10px;
      margin:18px 0 26px;
    }
    .quick-tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:9px 13px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.18);
      color:rgba(255,255,255,.86);
      font-weight:750;
    }
    .quick-tag:hover{
      color:#fff;
      background:rgba(255,255,255,.18);
      transform:translateY(-2px);
    }
    .hero-actions{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:12px;
      flex-wrap:wrap;
    }
    .hero-points{
      margin-top:26px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
    }
    .hero-point{
      text-align:left;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.16);
      backdrop-filter:blur(12px);
    }
    .hero-point strong{
      display:block;
      color:#fff;
      font-size:1.4rem;
      line-height:1;
      margin-bottom:6px;
      letter-spacing:-.03em;
    }
    .hero-point span{color:rgba(255,255,255,.70);font-size:.94rem}

    .catalog{
      margin-top:-38px;
      z-index:3;
    }
    .catalog-shell{
      background:rgba(255,255,255,.94);
      border:1px solid rgba(232,227,243,.9);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:28px;
    }
    .filter-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:22px;
    }
    .filter-pill{
      border:1px solid var(--line);
      background:#fff;
      color:#4b5563;
      border-radius:999px;
      padding:9px 14px;
      font-weight:800;
      display:inline-flex;
      align-items:center;
      gap:7px;
      cursor:pointer;
    }
    .filter-pill.active,.filter-pill:hover{
      border-color:rgba(124,58,237,.28);
      background:rgba(124,58,237,.08);
      color:var(--brand);
      transform:translateY(-1px);
    }
    .catalog-grid{
      display:grid;
      grid-template-columns:1.35fr .9fr .9fr;
      gap:18px;
    }
    .catalog-card{
      border:1px solid var(--line);
      background:linear-gradient(180deg,#fff,#fcfbff);
      border-radius:24px;
      padding:22px;
      min-height:178px;
      transition:all .24s var(--ease);
      position:relative;
      overflow:hidden;
    }
    .catalog-card:before{
      content:"";
      position:absolute;
      width:150px;height:150px;
      right:-60px;top:-60px;
      background:radial-gradient(circle,rgba(124,58,237,.13),transparent 66%);
    }
    .catalog-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-sm);
      border-color:rgba(124,58,237,.24);
    }
    .catalog-card.feature{
      color:#fff;
      background:
        radial-gradient(circle at 90% 10%,rgba(255,255,255,.22),transparent 32%),
        linear-gradient(135deg,var(--brand),#4f46e5 52%,var(--brand-2));
      border:0;
    }
    .catalog-card.feature .mini-label{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.2)}
    .catalog-card.feature p{color:rgba(255,255,255,.78)}
    .mini-label{
      display:inline-flex;
      align-items:center;
      gap:6px;
      font-size:.84rem;
      font-weight:850;
      color:var(--brand);
      background:rgba(124,58,237,.08);
      border:1px solid rgba(124,58,237,.12);
      border-radius:999px;
      padding:5px 10px;
      margin-bottom:14px;
    }
    .catalog-card h3,.value-card h3,.security-card h3,.step-card h3{
      font-size:1.16rem;
      font-weight:950;
      margin:0 0 8px;
      letter-spacing:-.02em;
    }
    .catalog-card p,.value-card p,.security-card p,.step-card p{
      color:var(--muted);
      margin:0;
      font-size:.98rem;
    }

    .metrics-band{
      background:linear-gradient(180deg,#fff,#f8fbff);
    }
    .metric-board{
      display:grid;
      grid-template-columns:1fr 1fr 1fr 1fr;
      gap:16px;
    }
    .metric-card{
      padding:24px;
      border-radius:24px;
      border:1px solid var(--line);
      background:#fff;
      box-shadow:0 12px 34px rgba(17,24,39,.05);
      position:relative;
      overflow:hidden;
    }
    .metric-card .num{
      font-size:2.15rem;
      font-weight:1000;
      letter-spacing:-.05em;
      color:#151122;
      line-height:1.1;
    }
    .metric-card .label{
      color:var(--muted);
      font-weight:700;
      margin-top:6px;
    }
    .metric-card .pulse{
      position:absolute;
      right:18px;top:18px;
      width:12px;height:12px;border-radius:50%;
      background:var(--success);
      box-shadow:0 0 0 8px rgba(18,183,106,.12);
    }
    .progress-track{
      height:8px;
      border-radius:999px;
      background:#f1eef9;
      overflow:hidden;
      margin-top:18px;
    }
    .progress-fill{
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--brand),var(--brand-3));
    }

    .value-zone{
      background:
        linear-gradient(90deg,rgba(124,58,237,.06),transparent 32%,rgba(236,72,153,.06)),
        #fff;
    }
    .value-layout{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:28px;
      align-items:stretch;
    }
    .story-panel{
      border-radius:30px;
      padding:30px;
      color:#fff;
      background:
        linear-gradient(135deg,#1b1230,#3d1c74 60%,#831843);
      box-shadow:var(--shadow);
      min-height:100%;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .story-panel:after{
      content:"";
      position:absolute;
      width:260px;height:260px;
      right:-100px;bottom:-90px;
      border-radius:50%;
      background:rgba(255,255,255,.12);
    }
    .story-panel h2{
      font-size:2rem;
      font-weight:1000;
      letter-spacing:-.04em;
      margin:0 0 14px;
      position:relative;
      z-index:1;
    }
    .story-panel p{
      color:rgba(255,255,255,.78);
      margin:0;
      position:relative;
      z-index:1;
    }
    .story-list{
      margin:28px 0 0;
      padding:0;
      list-style:none;
      position:relative;
      z-index:1;
    }
    .story-list li{
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 0;
      border-bottom:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.86);
      font-weight:750;
    }
    .story-list li:last-child{border-bottom:0}
    .value-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .value-card{
      border:1px solid var(--line);
      background:rgba(255,255,255,.92);
      border-radius:24px;
      padding:24px;
      transition:all .24s var(--ease);
    }
    .value-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-sm);
      border-color:rgba(124,58,237,.24);
    }
    .icon-bubble{
      width:48px;height:48px;border-radius:16px;
      display:flex;align-items:center;justify-content:center;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 12px 26px rgba(124,58,237,.22);
      margin-bottom:16px;
      font-size:1.25rem;
    }

    .compare-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .compare-card{
      border-radius:28px;
      padding:28px;
      border:1px solid var(--line);
      background:#fff;
      box-shadow:0 10px 28px rgba(17,24,39,.04);
    }
    .compare-card.highlight{
      color:#fff;
      background:
        radial-gradient(circle at 92% 10%,rgba(255,255,255,.24),transparent 28%),
        linear-gradient(135deg,#251440,var(--brand) 50%,#db2777);
      border:0;
      box-shadow:var(--shadow-glow);
    }
    .compare-card h3{
      font-size:1.35rem;
      font-weight:1000;
      margin-bottom:16px;
      letter-spacing:-.03em;
    }
    .check-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#4b5563;
      font-weight:650;
    }
    .highlight .check-list li{color:rgba(255,255,255,.84)}
    .check-list i{
      color:var(--success);
      flex:0 0 auto;
      margin-top:2px;
    }
    .highlight .check-list i{color:#a7f3d0}

    .news-section{
      background:#fff;
    }
    .news-layout{
      display:grid;
      grid-template-columns:1.45fr .75fr;
      gap:24px;
      align-items:start;
    }
    .news-panel,.recommend-panel{
      border:1px solid var(--line);
      border-radius:28px;
      background:#fff;
      box-shadow:0 12px 34px rgba(17,24,39,.05);
      overflow:hidden;
    }
    .news-list{
      padding:0;
      margin:0;
      list-style:none;
    }
    .news-item{
      display:grid;
      grid-template-columns:108px 1fr auto;
      gap:18px;
      align-items:center;
      padding:20px 22px;
      border-bottom:1px solid var(--line);
    }
    .news-item:last-child{border-bottom:0}
    .news-date{
      color:var(--brand);
      font-weight:900;
      background:rgba(124,58,237,.08);
      border-radius:16px;
      padding:10px;
      text-align:center;
      line-height:1.25;
    }
    .news-date span{
      display:block;
      color:#6b7280;
      font-size:.78rem;
      font-weight:800;
    }
    .news-item h3{
      margin:0 0 4px;
      font-size:1.08rem;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .news-item p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
    }
    .news-arrow{
      width:38px;height:38px;border-radius:50%;
      display:flex;align-items:center;justify-content:center;
      background:#f8f5ff;
      color:var(--brand);
    }
    .news-item:hover{
      background:#fcfaff;
    }
    .news-item:hover .news-arrow{
      background:var(--brand);
      color:#fff;
      transform:translateX(2px);
    }
    .recommend-panel{padding:24px}
    .recommend-panel h3{
      font-weight:1000;
      margin:0 0 16px;
      letter-spacing:-.03em;
    }
    .rank-list{
      display:grid;
      gap:12px;
      margin:0;padding:0;list-style:none;
    }
    .rank-list li{
      display:flex;
      gap:12px;
      align-items:center;
      padding:12px;
      border-radius:16px;
      background:#fbfaff;
      border:1px solid #f0eafa;
    }
    .rank-no{
      width:30px;height:30px;border-radius:10px;
      display:flex;align-items:center;justify-content:center;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
    }
    .rank-list strong{display:block;font-size:.98rem}
    .rank-list span{display:block;color:var(--muted);font-size:.86rem}

    .security-zone{
      background:
        radial-gradient(circle at 10% 18%,rgba(6,182,212,.12),transparent 24%),
        linear-gradient(180deg,#f9fbff,#ffffff);
    }
    .security-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .security-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      padding:22px;
      min-height:190px;
      transition:all .24s var(--ease);
    }
    .security-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-sm);
    }
    .security-card .icon-bubble{
      background:linear-gradient(135deg,#0891b2,#7c3aed);
    }

    .faq-zone{
      background:#fff;
    }
    .accordion{
      --bs-accordion-border-color:var(--line);
      --bs-accordion-border-radius:22px;
      --bs-accordion-inner-border-radius:22px;
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--line)!important;
      border-radius:22px!important;
      overflow:hidden;
      box-shadow:0 8px 22px rgba(17,24,39,.04);
    }
    .accordion-button{
      font-weight:950;
      color:#151122;
      padding:20px 22px;
      background:#fff;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--brand);
      background:#fbf8ff;
    }
    .accordion-button:focus{
      box-shadow:0 0 0 4px rgba(124,58,237,.10)!important;
      border-color:transparent;
    }
    .accordion-body{
      color:var(--muted);
      padding:0 22px 22px;
    }

    .download-zone{
      padding:88px 0 96px;
      background:
        linear-gradient(135deg,rgba(21,16,34,.96),rgba(49,24,90,.94)),
        radial-gradient(circle at 84% 15%,rgba(236,72,153,.36),transparent 26%);
      color:#fff;
      overflow:hidden;
    }
    .download-zone:before{
      content:"";
      position:absolute;inset:0;
      background-image:
        radial-gradient(circle at 24% 30%,rgba(255,255,255,.10) 0 1px,transparent 1px),
        radial-gradient(circle at 64% 70%,rgba(255,255,255,.08) 0 1px,transparent 1px);
      background-size:32px 32px,46px 46px;
      opacity:.6;
    }
    .download-layout{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:34px;
      align-items:center;
    }
    .download-zone .section-title{color:#fff}
    .download-zone .section-desc{color:rgba(255,255,255,.76)}
    .gift-list{
      list-style:none;
      padding:0;margin:28px 0 0;
      display:grid;
      gap:12px;
    }
    .gift-list li{
      display:flex;align-items:center;gap:11px;
      color:rgba(255,255,255,.86);
      font-weight:760;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.13);
    }
    .lead-card{
      background:rgba(255,255,255,.96);
      color:var(--ink);
      border-radius:30px;
      padding:28px;
      box-shadow:0 24px 70px rgba(0,0,0,.22);
      border:1px solid rgba(255,255,255,.55);
    }
    .lead-card h3{
      font-weight:1000;
      letter-spacing:-.03em;
      margin:0 0 8px;
    }
    .lead-card p{
      color:var(--muted);
      margin:0 0 20px;
    }
    .form-label{
      color:#374151;
      font-weight:850;
      margin-bottom:8px;
    }
    .form-control,.form-select{
      border:1px solid var(--line);
      border-radius:16px;
      min-height:50px;
      padding:12px 14px;
      color:var(--ink);
      box-shadow:none!important;
    }
    .form-control:focus,.form-select:focus{
      border-color:rgba(124,58,237,.55);
      box-shadow:0 0 0 4px rgba(124,58,237,.10)!important;
    }
    .privacy-note{
      color:#667085;
      font-size:.88rem;
      margin-top:12px;
      display:flex;
      gap:8px;
      align-items:flex-start;
    }
    .form-message{
      display:none;
      margin-top:14px;
      padding:12px 14px;
      border-radius:16px;
      color:#027a48;
      background:#ecfdf3;
      border:1px solid #abefc6;
      font-weight:800;
    }

    .site-footer{
      background:#0f0a1a;
      color:rgba(255,255,255,.76);
      padding:46px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      padding-bottom:30px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-brand{
      display:flex;align-items:center;
      color:#fff;
      font-size:1.18rem;
      font-weight:950;
      margin-bottom:12px;
    }
    .footer-brand .brand-mark{
      width:38px;height:38px;border-radius:14px;
      box-shadow:none;
    }
    .footer-title{
      color:#fff;
      font-weight:950;
      margin-bottom:12px;
    }
    .footer-links{
      display:grid;
      gap:9px;
      margin:0;padding:0;list-style:none;
    }
    .footer-links a{color:rgba(255,255,255,.70)}
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:22px;
      font-size:.92rem;
      color:rgba(255,255,255,.55);
    }

    @media (max-width: 1024px){
      .nav-search{width:220px}
      .catalog-grid{grid-template-columns:1fr 1fr}
      .catalog-card.feature{grid-column:1/-1}
      .value-layout,.download-layout{grid-template-columns:1fr}
      .security-grid,.metric-board{grid-template-columns:repeat(2,1fr)}
      .news-layout{grid-template-columns:1fr}
    }

    @media (max-width: 768px){
      :root{--nav-h:auto}
      .navbar-collapse{
        padding:14px 0 4px;
      }
      .navbar-nav{
        background:#fbfaff;
        border:1px solid var(--line);
        border-radius:18px;
        padding:8px;
        margin-bottom:12px;
      }
      .nav-search{
        width:100%;
        margin-bottom:10px;
      }
      .nav-cta{width:100%}
      .nav-cta .btn-brand{width:100%}
      .campaign-inner{
        justify-content:flex-start;
        overflow-x:auto;
        white-space:nowrap;
      }
      .hero{
        padding:58px 0 48px;
        min-height:auto;
      }
      .hero-intro{font-size:1rem}
      .hero-search-wrap{border-radius:26px}
      .hero-search{
        border-radius:20px;
        flex-wrap:wrap;
        padding:14px;
      }
      .hero-search input{
        flex-basis:calc(100% - 34px);
      }
      .hero-search .btn-brand{
        width:100%;
        margin-top:4px;
      }
      .hero-points{
        grid-template-columns:1fr;
      }
      .section-pad{padding:62px 0}
      .section-pad-sm{padding:52px 0}
      .section-head{
        display:block;
        margin-bottom:24px;
      }
      .section-head .btn-ghost{
        margin-top:16px;
      }
      .catalog-shell{padding:20px;border-radius:24px}
      .catalog-grid,.value-grid,.compare-wrap,.security-grid,.metric-board{
        grid-template-columns:1fr;
      }
      .news-item{
        grid-template-columns:1fr auto;
        gap:12px;
      }
      .news-date{
        grid-column:1/-1;
        text-align:left;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
    }

    @media (max-width: 520px){
      .brand-mark{width:38px;height:38px}
      .navbar-brand{font-size:1.05rem}
      .hero h1{font-size:2.35rem}
      .hero-tags{
        justify-content:flex-start;
        overflow-x:auto;
        flex-wrap:nowrap;
        padding-bottom:4px;
      }
      .quick-tag{flex:0 0 auto}
      .hero-actions .btn-brand,.hero-actions .btn-darkline{
        width:100%;
      }
      .catalog{margin-top:-24px}
      .catalog-card,.metric-card,.value-card,.compare-card,.security-card,.lead-card{
        border-radius:20px;
      }
      .section-title{font-size:1.78rem}
      .download-zone{padding:62px 0}
    }

/* 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}