:root{
      --bg0:#fff7f3;
      --bg1:#ffffff;
      --ink:#15181e;
      --muted:#5b6472;
      --muted2:#7b8493;
      --border:rgba(18, 23, 33, .12);
      --shadow: 0 14px 36px rgba(18, 23, 33, .10);
      --shadow2: 0 10px 26px rgba(18, 23, 33, .10);
      --ring: rgba(255, 77, 104, .35);

      --c1:#ff4d68;
      --c2:#3f6cff;
      --c3:#00b894;
      --c4:#ffb020;

      --chip-bg: rgba(255,77,104,.10);
      --chip-bd: rgba(255,77,104,.18);
      --card-bg: rgba(255,255,255,.88);
      --card-bd: rgba(18, 23, 33, .10);

      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 12px;

      --container: 1120px;
      --gutter: 20px;
      --navh: 72px;
    }

    *{ box-sizing:border-box; }
    html{ scroll-behavior:smooth; }
    body{
      margin:0;
      color:var(--ink);
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      background:
        radial-gradient(1200px 480px at 20% -10%, rgba(255,77,104,.18), transparent 55%),
        radial-gradient(900px 420px at 90% 10%, rgba(63,108,255,.16), transparent 55%),
        radial-gradient(740px 360px at 10% 55%, rgba(0,184,148,.12), transparent 60%),
        linear-gradient(180deg, var(--bg0) 0%, #ffffff 45%, #fbfbfc 100%);
      overflow-x:hidden;
    }

    a{ color:inherit; text-decoration:none; }
    button, input, select, textarea{ font:inherit; }
    .container{
      width: min(var(--container), calc(100% - (var(--gutter) * 2)));
      margin: 0 auto;
    }

    .skip-link{
      position:absolute;
      left:-999px;
      top:0;
      background:#fff;
      border:1px solid var(--border);
      padding:10px 12px;
      border-radius:10px;
      z-index:9999;
    }
    .skip-link:focus{ left: 12px; top: 12px; outline: 3px solid var(--ring); }

    header{
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.74);
      border-bottom: 1px solid rgba(18,23,33,.08);
    }
    .navwrap{
      height: var(--navh);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding: 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 210px;
    }
    .ai-page-logo{
      width: 42px;
      height: 42px;
      object-fit: contain;
      border-radius: 12px;
      background: rgba(255,77,104,.10);
      padding: 6px;
      box-shadow: 0 10px 22px rgba(255,77,104,.10);
    }
    .brandtext{
      display:flex;
      flex-direction:column;
      line-height:1.15;
    }
    .brandname{
      font-weight: 860;
      letter-spacing:.2px;
      font-size: 14px;
      color: var(--ink);
    }
    .brandsub{
      font-size: 12px;
      color: var(--muted);
    }

    nav{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap: 12px;
      flex:1;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap: 12px;
      flex-wrap: wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      padding: 10px 10px;
      border-radius: 12px;
      font-size: 13px;
      color: rgba(21,24,30,.86);
      border: 1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
      white-space: nowrap;
    }
    .nav-links a:hover{
      background: rgba(255,77,104,.10);
      border-color: rgba(255,77,104,.18);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex;
      align-items:center;
      gap: 10px;
    }
    .btn{
      border: 1px solid rgba(21,24,30,.12);
      background: #fff;
      color: var(--ink);
      padding: 10px 12px;
      border-radius: 14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap: 8px;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      box-shadow: 0 10px 22px rgba(18,23,33,.06);
      user-select:none;
      white-space: nowrap;
    }
    .btn:focus{ outline: 3px solid var(--ring); outline-offset: 2px; }
    .btn:hover{ transform: translateY(-1px); box-shadow: 0 14px 28px rgba(18,23,33,.10); }
    .btn-primary{
      background: linear-gradient(135deg, rgba(255,77,104,.98), rgba(63,108,255,.95));
      color: #fff;
      border-color: rgba(255,255,255,.24);
      box-shadow: 0 18px 34px rgba(63,108,255,.18);
    }
    .btn-primary:hover{ box-shadow: 0 22px 46px rgba(255,77,104,.22); }
    .btn-ghost{
      background: rgba(255,255,255,.65);
      border-color: rgba(18,23,33,.10);
      box-shadow: none;
    }

    .icon{
      width:18px;height:18px; display:inline-block;
    }
    .icon svg{ width:18px;height:18px; display:block; }

    .mobile-toggle{
      display:none;
      border:1px solid rgba(18,23,33,.12);
      background:#fff;
      width:44px;
      height:44px;
      border-radius: 14px;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease;
      box-shadow: 0 10px 22px rgba(18,23,33,.06);
    }
    .mobile-toggle:hover{ transform: translateY(-1px); box-shadow: 0 14px 28px rgba(18,23,33,.10); }
    .mobile-panel{
      display:none;
      padding: 12px 0 16px;
    }
    .mobile-panel .stack{
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .mobile-panel a{
      padding: 12px 12px;
      border: 1px solid rgba(18,23,33,.10);
      border-radius: 14px;
      background: rgba(255,255,255,.78);
      font-size: 14px;
    }

    .hero{
      padding: 28px 0 22px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 18px;
      align-items: stretch;
    }
    .hero-card{
      background:
        radial-gradient(900px 420px at 20% 0%, rgba(255,77,104,.22), transparent 55%),
        radial-gradient(760px 380px at 95% 10%, rgba(63,108,255,.20), transparent 58%),
        radial-gradient(560px 260px at 25% 92%, rgba(0,184,148,.14), transparent 62%),
        linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.72));
      border: 1px solid rgba(18,23,33,.10);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      padding: 22px;
      position: relative;
      overflow:hidden;
      min-height: 420px;
    }
    .hero-card:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        linear-gradient(90deg, rgba(255,77,104,.35), rgba(63,108,255,.22), rgba(0,184,148,.18));
      opacity:.35;
      filter: blur(30px);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      display:flex;
      flex-direction:column;
      gap: 14px;
      height:100%;
    }

    .pill-row{
      display:flex;
      align-items:center;
      gap: 10px;
      flex-wrap: wrap;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(18,23,33,.10);
      color: rgba(21,24,30,.90);
      font-size: 12.5px;
      box-shadow: 0 10px 22px rgba(18,23,33,.06);
      transform: translateZ(0);
    }
    .pill b{ font-weight: 850; }
    .dot{
      width:10px;height:10px;border-radius: 50%;
      background: linear-gradient(135deg, var(--c1), var(--c2));
      box-shadow: 0 0 0 6px rgba(255,77,104,.12);
    }
    .hero h1{
      margin: 2px 0 0;
      font-size: clamp(26px, 3.4vw, 44px);
      line-height: 1.08;
      letter-spacing: -0.6px;
    }
    .lead{
      margin: 0;
      color: var(--muted);
      font-size: 15.5px;
      line-height: 1.65;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex;
      gap: 12px;
      flex-wrap: wrap;
      align-items:center;
      margin-top: 4px;
    }
    .hero-meta{
      display:flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-top: auto;
      padding-top: 10px;
    }
    .meta-item{
      flex: 1 1 170px;
      background: rgba(255,255,255,.60);
      border: 1px solid rgba(18,23,33,.10);
      border-radius: var(--radius-md);
      padding: 12px 12px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      box-shadow: 0 10px 24px rgba(18,23,33,.06);
    }
    .meta-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(18,23,33,.10);
      border-color: rgba(255,77,104,.18);
    }
    .meta-top{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .badge-icon{
      width: 38px; height: 38px; border-radius: 14px;
      background: linear-gradient(135deg, rgba(255,77,104,.16), rgba(63,108,255,.16));
      border: 1px solid rgba(18,23,33,.10);
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .badge-icon svg{ width:18px; height:18px; }
    .meta-title{
      font-weight: 840;
      font-size: 13.5px;
      margin: 0;
      letter-spacing: .1px;
    }
    .meta-desc{
      margin: 6px 0 0;
      font-size: 12.5px;
      color: var(--muted);
      line-height: 1.45;
    }

    .hero-side{
      display:flex;
      flex-direction:column;
      gap: 12px;
    }

    .side-card{
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(18,23,33,.10);
      border-radius: var(--radius-lg);
      box-shadow: 0 14px 34px rgba(18,23,33,.08);
      padding: 16px;
      position: relative;
      overflow:hidden;
      min-height: 200px;
    }
    .side-card:after{
      content:"";
      position:absolute;
      right:-80px; top:-80px;
      width: 220px; height: 220px;
      background: radial-gradient(circle at 30% 30%, rgba(255,176,32,.35), transparent 55%);
      filter: blur(0px);
      opacity:.9;
      pointer-events:none;
    }
    .side-card h2{
      margin:0;
      font-size: 16px;
      letter-spacing: -0.2px;
    }
    .side-card p{
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.6;
      position:relative;
    }
    .side-list{
      margin: 12px 0 0;
      padding: 0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap: 10px;
      position:relative;
    }
    .side-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      font-size: 13px;
      color: rgba(21,24,30,.92);
    }
    .tick{
      width:18px;height:18px;border-radius: 8px;
      background: rgba(0,184,148,.14);
      border: 1px solid rgba(0,184,148,.22);
      display:flex;
      align-items:center;
      justify-content:center;
      margin-top: 1px;
      flex: 0 0 18px;
    }
    .tick svg{ width:12px;height:12px; }

    .data-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 12px;
    }
    .stat{
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(18,23,33,.10);
      border-radius: var(--radius-md);
      padding: 12px;
      transition: transform .2s ease, box-shadow .2s ease;
      box-shadow: 0 10px 22px rgba(18,23,33,.06);
      position:relative;
      overflow:hidden;
    }
    .stat:before{
      content:"";
      position:absolute;
      left:-20px; top:-40px;
      width: 90px; height: 90px;
      border-radius: 30px;
      background: radial-gradient(circle at 30% 30%, rgba(255,77,104,.22), transparent 55%);
      opacity:.9;
      pointer-events:none;
    }
    .stat:hover{ transform: translateY(-2px); box-shadow: 0 16px 36px rgba(18,23,33,.10); }
    .stat .num{
      font-weight: 900;
      font-size: 18px;
      letter-spacing: -0.2px;
      position:relative;
    }
    .stat .lab{
      margin-top: 6px;
      color: var(--muted);
      font-size: 12.8px;
      line-height: 1.35;
      position:relative;
    }
    .section{
      padding: 40px 0;
    }
    .section-tight{
      padding: 26px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap: 14px;
      margin-bottom: 16px;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.72);
      color: rgba(21,24,30,.88);
      font-size: 12.5px;
      box-shadow: 0 10px 22px rgba(18,23,33,.06);
    }
    .kicker .spark{
      width: 18px; height: 18px;
      border-radius: 8px;
      background: linear-gradient(135deg, rgba(255,77,104,.18), rgba(63,108,255,.18));
      border: 1px solid rgba(18,23,33,.10);
      display:flex;align-items:center;justify-content:center;
    }
    .kicker .spark svg{ width:12px;height:12px; }
    .section-title{
      margin: 10px 0 0;
      font-size: 26px;
      letter-spacing: -0.4px;
      line-height: 1.2;
    }
    .section-sub{
      margin: 6px 0 0;
      color: var(--muted);
      line-height: 1.7;
      font-size: 14.5px;
      max-width: 70ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .card{
      background: rgba(255,255,255,.80);
      border: 1px solid rgba(18,23,33,.10);
      border-radius: var(--radius-lg);
      padding: 16px;
      box-shadow: 0 12px 26px rgba(18,23,33,.06);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
      min-height: 160px;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(18,23,33,.10);
      border-color: rgba(63,108,255,.18);
    }
    .card .title{
      display:flex;
      align-items:flex-start;
      gap: 10px;
      margin:0;
      font-size: 16px;
      letter-spacing: -0.2px;
      line-height: 1.35;
    }
    .card .title .mini{
      width: 40px; height: 40px;
      border-radius: 16px;
      background: rgba(63,108,255,.12);
      border: 1px solid rgba(63,108,255,.18);
      display:flex;
      align-items:center;
      justify-content:center;
      flex: 0 0 40px;
    }
    .card .title .mini svg{ width:18px;height:18px; }
    .card .desc{
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 13.6px;
      line-height: 1.65;
    }
    .card .tags{
      display:flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-top: 12px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.65);
      font-size: 12.5px;
      color: rgba(21,24,30,.86);
      white-space: nowrap;
    }
    .tag.hot{
      background: var(--chip-bg);
      border-color: var(--chip-bd);
    }

    .divider{
      height: 1px;
      background: rgba(18,23,33,.10);
      margin: 14px 0;
    }

    .steps{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .step-card{
      padding: 16px;
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(18,23,33,.10);
      border-radius: var(--radius-lg);
      box-shadow: 0 12px 26px rgba(18,23,33,.06);
      position:relative;
      overflow:hidden;
    }
    .step-row{
      display:flex;
      gap: 12px;
      align-items:flex-start;
    }
    .step-no{
      width: 44px; height: 44px;
      border-radius: 18px;
      background: linear-gradient(135deg, rgba(255,77,104,.16), rgba(63,108,255,.16));
      border: 1px solid rgba(18,23,33,.10);
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight: 900;
      letter-spacing: -0.2px;
      flex:0 0 44px;
    }
    .step-card h3{
      margin:0;
      font-size: 16px;
      letter-spacing: -0.2px;
    }
    .step-card p{
      margin: 8px 0 0;
      color: var(--muted);
      line-height: 1.7;
      font-size: 13.6px;
    }
    .step-more{
      margin-top: 12px;
      display:flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }

    .comparison-wrap{
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(18,23,33,.10);
      border-radius: var(--radius-lg);
      box-shadow: 0 12px 26px rgba(18,23,33,.06);
      overflow:hidden;
    }
    .comparison-head{
      padding: 16px;
      display:flex;
      gap: 12px;
      align-items:flex-start;
      justify-content:space-between;
      border-bottom: 1px solid rgba(18,23,33,.08);
      background:
        linear-gradient(135deg, rgba(255,77,104,.12), rgba(63,108,255,.10));
    }
    .score{
      display:flex;
      align-items:center;
      gap: 12px;
      flex-wrap: wrap;
    }
    .stars{
      display:flex; gap: 4px; align-items:center;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 10px 22px rgba(18,23,33,.06);
    }
    .star{
      width: 16px; height: 16px;
      display:inline-block;
      color: #ffb020;
    }
    .score .big{
      font-weight: 920;
      font-size: 22px;
      letter-spacing: -0.3px;
    }
    .score .small{
      color: var(--muted);
      font-size: 13px;
    }

    table{
      width:100%;
      border-collapse: collapse;
    }
    thead th{
      text-align:left;
      font-size: 13.5px;
      color: rgba(21,24,30,.92);
      padding: 12px 14px;
      background: rgba(255,255,255,.65);
      border-bottom: 1px solid rgba(18,23,33,.08);
      white-space: nowrap;
    }
    tbody td{
      padding: 12px 14px;
      border-bottom: 1px solid rgba(18,23,33,.08);
      font-size: 13.6px;
      color: rgba(21,24,30,.92);
      vertical-align: top;
    }
    tbody tr:hover td{
      background: rgba(255,77,104,.06);
    }
    .checkok{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      font-weight: 750;
    }
    .checkok i{
      width: 18px; height: 18px;
      border-radius: 8px;
      background: rgba(0,184,148,.14);
      border: 1px solid rgba(0,184,148,.22);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 18px;
    }
    .checkok svg{ width:12px;height:12px; }

    .mutedcell{
      color: var(--muted);
      line-height:1.6;
    }

    .content-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .timeline{
      border-radius: var(--radius-lg);
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 26px rgba(18,23,33,.06);
      padding: 16px;
      position:relative;
      overflow:hidden;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left: 26px; top: 14px; bottom: 14px;
      width: 2px;
      background: linear-gradient(180deg, rgba(255,77,104,.55), rgba(63,108,255,.35), rgba(0,184,148,.35));
      opacity:.6;
    }
    .titem{
      display:grid;
      grid-template-columns: 52px 1fr;
      gap: 12px;
      padding: 10px 0;
      position:relative;
    }
    .tpoint{
      width: 52px; display:flex; justify-content:center;
      position:relative;
      z-index:2;
    }
    .tpoint span{
      width: 18px; height: 18px;
      border-radius: 9px;
      background: #fff;
      border: 2px solid rgba(63,108,255,.55);
      box-shadow: 0 0 0 6px rgba(63,108,255,.12);
      margin-top: 4px;
    }
    .titem h3{
      margin:0;
      font-size: 14.8px;
      letter-spacing: -0.2px;
    }
    .titem p{
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 13.6px;
      line-height: 1.6;
    }

    .list-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .list-card{
      background: rgba(255,255,255,.80);
      border: 1px solid rgba(18,23,33,.10);
      border-radius: var(--radius-lg);
      padding: 14px;
      box-shadow: 0 12px 26px rgba(18,23,33,.06);
      transition: transform .2s ease, box-shadow .2s ease;
      min-height: 150px;
    }
    .list-card:hover{ transform: translateY(-2px); box-shadow: 0 18px 40px rgba(18,23,33,.10); }
    .list-card h3{
      margin:0;
      font-size: 15.5px;
      letter-spacing: -0.2px;
    }
    .list-card ul{
      margin: 10px 0 0;
      padding: 0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .list-card li{
      display:flex;
      gap: 10px;
      align-items:flex-start;
      color: rgba(21,24,30,.92);
      font-size: 13.6px;
      line-height: 1.45;
    }

    .small-cta{
      display:flex;
      gap: 10px;
      flex-wrap: wrap;
      align-items:center;
      margin-top: 12px;
    }

    .cases{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 14px;
      align-items: start;
    }
    .poster{
      border-radius: var(--radius-lg);
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 26px rgba(18,23,33,.06);
      overflow:hidden;
    }
    .poster-head{
      padding: 14px 16px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
      border-bottom: 1px solid rgba(18,23,33,.08);
      background: linear-gradient(135deg, rgba(255,77,104,.10), rgba(63,108,255,.09));
    }
    .poster-head h3{
      margin:0;
      font-size: 16px;
      letter-spacing: -0.2px;
    }
    .poster-head p{
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 13.6px;
      line-height: 1.6;
      max-width: 60ch;
    }
    .poster-body{
      padding: 14px 16px 16px;
    }
    .thumb-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 6px;
    }
    .thumb{
      border-radius: 16px;
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.66);
      overflow:hidden;
      box-shadow: 0 10px 22px rgba(18,23,33,.06);
      transition: transform .2s ease, box-shadow .2s ease;
      cursor:pointer;
    }
    .thumb:hover{ transform: translateY(-2px); box-shadow: 0 18px 40px rgba(18,23,33,.10); }
    .thumb .imgwrap{
      padding: 10px;
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.58));
    }
    .thumb img{
      width:100%;
      height:auto;
      display:block;
      border-radius: 12px;
      background: #fff;
    }
    .thumb .cap{
      padding: 10px 12px 12px;
      color: rgba(21,24,30,.92);
      font-size: 13.6px;
      line-height: 1.45;
      font-weight: 720;
    }

    .article{
      border-radius: var(--radius-lg);
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 26px rgba(18,23,33,.06);
      padding: 16px;
    }
    .article h3{
      margin:0;
      font-size: 16px;
      letter-spacing: -0.2px;
    }
    .article p{
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 13.6px;
      line-height: 1.7;
    }
    .article-list{
      margin: 12px 0 0;
      padding: 0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .article-list li{
      border: 1px solid rgba(18,23,33,.10);
      border-radius: 16px;
      padding: 12px;
      background: rgba(255,255,255,.70);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .article-list li:hover{
      transform: translateY(-2px);
      border-color: rgba(255,77,104,.18);
      box-shadow: 0 18px 40px rgba(18,23,33,.10);
    }
    .article-list a{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
    }
    .article-title{
      font-weight: 780;
      letter-spacing: -0.2px;
      font-size: 13.8px;
      line-height: 1.35;
    }
    .article-meta{
      color: var(--muted);
      font-size: 12.5px;
      white-space: nowrap;
      margin-left: auto;
      padding-top: 2px;
    }

    .form-wrap{
      background: rgba(255,255,255,.80);
      border: 1px solid rgba(18,23,33,.10);
      border-radius: var(--radius-lg);
      box-shadow: 0 12px 26px rgba(18,23,33,.06);
      padding: 16px;
    }
    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 10px;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap: 8px;
    }
    .field label{
      font-size: 13px;
      color: rgba(21,24,30,.88);
      font-weight: 700;
    }
    .field input, .field select, .field textarea{
      border: 1px solid rgba(18,23,33,.14);
      background: rgba(255,255,255,.84);
      border-radius: 14px;
      padding: 12px 12px;
      outline: none;
      transition: box-shadow .18s ease, border-color .18s ease;
      color: var(--ink);
    }
    .field textarea{
      min-height: 116px;
      resize: vertical;
    }
    .field input:focus, .field select:focus, .field textarea:focus{
      border-color: rgba(255,77,104,.35);
      box-shadow: 0 0 0 4px rgba(255,77,104,.14);
    }
    .form-actions{
      display:flex;
      gap: 12px;
      align-items:center;
      flex-wrap: wrap;
      margin-top: 12px;
      justify-content: space-between;
    }
    .fineprint{
      color: var(--muted);
      font-size: 12.6px;
      line-height: 1.5;
      max-width: 54ch;
    }

    .faq-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .faq{
      border-radius: var(--radius-lg);
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.80);
      box-shadow: 0 12px 26px rgba(18,23,33,.06);
      padding: 12px;
    }
    details{
      border-radius: 16px;
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.68);
      margin: 10px 0;
      overflow:hidden;
      transition: border-color .18s ease, transform .18s ease;
    }
    details[open]{
      border-color: rgba(63,108,255,.22);
      transform: translateY(-1px);
    }
    summary{
      cursor:pointer;
      list-style:none;
      padding: 12px 12px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
      font-weight: 780;
      font-size: 13.8px;
      letter-spacing: -0.2px;
    }
    summary::-webkit-details-marker{ display:none; }
    .chev{
      width: 28px; height: 28px;
      border-radius: 12px;
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.78);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 28px;
      transition: transform .18s ease;
      margin-top: -2px;
    }
    details[open] .chev{ transform: rotate(180deg); }
    .ans{
      padding: 0 12px 12px;
      color: var(--muted);
      font-size: 13.6px;
      line-height: 1.7;
    }

    .reviews{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 12px;
    }
    .review{
      border-radius: var(--radius-lg);
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 12px 26px rgba(18,23,33,.06);
      padding: 14px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height: 170px;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .review:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(18,23,33,.10);
      border-color: rgba(255,77,104,.18);
    }
    .rev-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 10px;
    }
    .avatar{
      width: 40px; height: 40px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(255,77,104,.16), rgba(63,108,255,.16));
      border: 1px solid rgba(18,23,33,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight: 900;
      color: rgba(21,24,30,.92);
    }
    .rev-role{
      color: var(--muted);
      font-size: 12.8px;
      white-space: nowrap;
    }
    .rev-text{
      margin:0;
      color: rgba(21,24,30,.90);
      font-size: 13.7px;
      line-height: 1.7;
    }
    .rev-bottom{
      margin-top:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 10px;
    }
    .rev-stars{
      display:flex; gap: 4px; align-items:center;
    }

    .tagcloud{
      border-radius: var(--radius-lg);
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 26px rgba(18,23,33,.06);
      padding: 16px;
    }
    .cloud-row{
      display:flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 10px;
    }
    .cloud-tag{
      padding: 9px 12px;
      border-radius: 999px;
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.70);
      font-size: 13px;
      color: rgba(21,24,30,.90);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
      cursor:pointer;
      user-select:none;
    }
    .cloud-tag:hover{
      transform: translateY(-2px);
      border-color: rgba(63,108,255,.22);
      box-shadow: 0 18px 40px rgba(18,23,33,.10);
    }

    footer{
      background: #fbfbfc;
      border-top: 1px solid rgba(18,23,33,.10);
      padding: 22px 0;
      margin-top: 10px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
      align-items:start;
    }
    .foot-card{
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.80);
      border: 1px solid rgba(18,23,33,.10);
      box-shadow: 0 12px 26px rgba(18,23,33,.06);
      padding: 16px;
    }
    .foot-title{
      margin:0;
      font-size: 15.5px;
      letter-spacing: -0.2px;
      font-weight: 900;
    }
    .foot-desc{
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 13.6px;
      line-height: 1.7;
    }
    .friend{
      margin-top: 12px;
      display:flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .friend a{
      padding: 9px 11px;
      border-radius: 999px;
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.70);
      font-size: 13px;
      color: rgba(21,24,30,.88);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
      white-space: nowrap;
    }
    .friend a:hover{
      transform: translateY(-2px);
      border-color: rgba(255,77,104,.20);
      box-shadow: 0 18px 40px rgba(18,23,33,.10);
    }
    .foot-right{
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .copy{
      color: var(--muted);
      font-size: 12.8px;
      line-height: 1.7;
    }
    .quick-contact{
      display:flex;
      flex-direction:column;
      gap: 10px;
      margin-top: 8px;
    }
    .qc{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 16px;
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.70);
      font-size: 13.5px;
      color: rgba(21,24,30,.90);
    }
    .qc a{ color: rgba(21,24,30,.92); text-decoration: underline; text-underline-offset: 3px; }

    .toTop{
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index: 70;
      width: 46px;
      height: 46px;
      border-radius: 18px;
      border: 1px solid rgba(18,23,33,.12);
      background: rgba(255,255,255,.86);
      box-shadow: 0 14px 34px rgba(18,23,33,.14);
      display:flex;
      align-items:center;
      justify-content:center;
      cursor:pointer;
      transition: transform .18s ease, opacity .18s ease;
      opacity: 0;
      pointer-events:none;
      backdrop-filter: blur(10px);
    }
    .toTop.show{
      opacity: 1;
      pointer-events:auto;
    }
    .toTop:hover{ transform: translateY(-2px); }

    .float-chat{
      position: fixed;
      right: 16px;
      bottom: 70px;
      z-index: 70;
      display:flex;
      flex-direction:column;
      gap: 10px;
      align-items:flex-end;
    }
    .chat-btn{
      width: 52px;
      height: 52px;
      border-radius: 20px;
      border: 1px solid rgba(18,23,33,.12);
      background: linear-gradient(135deg, rgba(255,77,104,.96), rgba(63,108,255,.95));
      color:#fff;
      cursor:pointer;
      box-shadow: 0 18px 40px rgba(63,108,255,.22);
      display:flex;
      align-items:center;
      justify-content:center;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .chat-btn:hover{ transform: translateY(-2px); box-shadow: 0 22px 46px rgba(255,77,104,.24); }
    .qr-pop{
      width: 220px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(18,23,33,.12);
      background: rgba(255,255,255,.92);
      box-shadow: 0 20px 60px rgba(18,23,33,.18);
      padding: 12px;
      display:none;
      overflow:hidden;
      backdrop-filter: blur(10px);
    }
    .qr-pop.show{ display:block; }
    .qr-head{
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
      margin-bottom: 10px;
    }
    .qr-head b{ font-size: 13.5px; letter-spacing:-0.2px; }
    .qr-close{
      width: 32px; height: 32px;
      border-radius: 12px;
      border: 1px solid rgba(18,23,33,.10);
      background: rgba(255,255,255,.70);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
    }
    .qr-img{
      width:100%;
      height:auto;
      display:block;
      border-radius: 14px;
      border: 1px solid rgba(18,23,33,.10);
      background: #fff;
    }
    .qr-tip{
      margin: 10px 2px 0;
      color: var(--muted);
      font-size: 12.6px;
      line-height: 1.5;
    }

    .reveal{
      opacity: 0;
      transform: translateY(12px);
      transition: opacity .5s ease, transform .5s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .hero-card{ min-height: unset; }
      .grid-3{ grid-template-columns: 1fr; }
      .steps{ grid-template-columns: 1fr; }
      .two-col{ grid-template-columns: 1fr; }
      .cases{ grid-template-columns: 1fr; }
      .reviews{ grid-template-columns: 1fr; }
      .faq-grid{ grid-template-columns: 1fr; }
      .content-grid{ grid-template-columns: 1fr; }
      .list-grid{ grid-template-columns: 1fr; }
      .footer-grid{ grid-template-columns: 1fr; }
      .nav-links{ display:none; }
      .nav-cta .btn-ghost{ display:none; }
      .mobile-toggle{ display:inline-flex; align-items:center; justify-content:center; }
      .mobile-panel{ display:none; }
      .mobile-panel.show{ display:block; }
      .float-chat{ right: 12px; bottom: 64px; }
      .toTop{ right: 12px; bottom: 12px; }
    }

    @media (prefers-reduced-motion: reduce){
      *{ scroll-behavior:auto !important; }
      .reveal{ transition:none; }
      details[open], details{ transition:none; }
      .btn, .card, .stat, .thumb, .article-list li, .list-card, .cloud-tag{ transition:none; }
    }