:root{
      --bg0:#fff7f8;
      --bg1:#ffffff;
      --text:#1f2330;
      --muted:#5c6477;
      --muted2:#7a8397;
      --line:rgba(20,22,30,.12);
      --soft:rgba(20,22,30,.06);
      --brand:#d81f3a;
      --brand2:#ff3b55;
      --brand3:#b8152d;
      --accent:#7c2cff;
      --ok:#0c7a55;
      --warn:#b45309;
      --shadow: 0 18px 45px rgba(216,31,58,.16);
      --shadow2: 0 10px 30px rgba(21,26,44,.10);
      --radius:18px;
      --radius2:24px;
      --container:1120px;
      --padX:20px;
      --focus: rgba(216,31,58,.22);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 500px at 20% -10%, rgba(216,31,58,.12), transparent 55%),
        radial-gradient(700px 420px at 80% 0%, rgba(124,44,255,.10), transparent 52%),
        linear-gradient(180deg, var(--bg0), #ffffff 55%, #fff 100%);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    .container{
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--padX);
    }

    /* Topbar */
    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background: rgba(255,255,255,.72);
      border-bottom:1px solid rgba(20,22,30,.08);
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:220px;
    }
    .logo-wrap{
      width:42px;height:42px;
      border-radius:14px;
      background: linear-gradient(135deg, rgba(216,31,58,.14), rgba(124,44,255,.10));
      border:1px solid rgba(216,31,58,.18);
      display:flex;align-items:center;justify-content:center;
      box-shadow: 0 10px 26px rgba(216,31,58,.12);
      flex:0 0 auto;
      overflow:hidden;
    }
    .ai-page-logo{display:block; max-width:70%; height:auto}
    .brand-txt{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-txt strong{font-size:14px; letter-spacing:.2px}
    .brand-txt span{font-size:12px; color:var(--muted); margin-top:4px}
    .nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav a{
      font-size:13px;
      color:rgba(31,35,48,.86);
      padding:9px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      white-space:nowrap;
    }
    .nav a:hover{
      background: rgba(216,31,58,.07);
      border-color: rgba(216,31,58,.16);
      transform: translateY(-1px);
    }
    .nav .cta{
      border-color: rgba(216,31,58,.24);
      background: linear-gradient(180deg, rgba(216,31,58,.10), rgba(216,31,58,.04));
    }
    .nav .cta strong{
      display:inline-flex; align-items:center; gap:8px;
      color: var(--brand3);
      font-weight:800;
    }
    .nav .cta i{
      width:18px;height:18px;border-radius:7px;
      background: rgba(216,31,58,.18);
      display:inline-flex;align-items:center;justify-content:center;
      border:1px solid rgba(216,31,58,.18);
      font-style:normal;
    }
    .menu-btn{
      display:none;
      align-items:center;
      justify-content:center;
      width:42px;height:42px;
      border-radius:14px;
      border:1px solid rgba(20,22,30,.12);
      background: rgba(255,255,255,.8);
      box-shadow: 0 10px 25px rgba(21,26,44,.08);
      cursor:pointer;
      transition: transform .18s ease, background .18s ease;
      color:var(--text);
      font-weight:700;
    }
    .menu-btn:active{transform: translateY(1px)}
    .mobile-panel{
      display:none;
      padding:0 0 14px 0;
    }
    .mobile-panel .panel-inner{
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.88);
      border-radius:18px;
      padding:12px;
      box-shadow: 0 18px 45px rgba(21,26,44,.10);
    }
    .mobile-links{
      display:flex;
      flex-direction:column;
      gap:6px;
    }
    .mobile-links a{
      padding:11px 12px;
      border-radius:14px;
      border:1px solid rgba(20,22,30,.08);
      background: rgba(255,255,255,.86);
      font-size:13px;
      color: rgba(31,35,48,.92);
    }
    .mobile-links a.cta{
      background: linear-gradient(135deg, rgba(216,31,58,.18), rgba(124,44,255,.10));
      border-color: rgba(216,31,58,.24);
    }

    /* Hero */
    .hero{
      position:relative;
      padding:38px 0 24px 0;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-left{
      border-radius: var(--radius2);
      padding:26px 22px;
      background:
        radial-gradient(900px 460px at 10% 0%, rgba(216,31,58,.18), transparent 55%),
        radial-gradient(700px 360px at 80% 10%, rgba(124,44,255,.14), transparent 56%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.62));
      border:1px solid rgba(216,31,58,.14);
      box-shadow: var(--shadow2);
      overflow:hidden;
      position:relative;
    }
    .hero-left:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(90deg, rgba(216,31,58,.0), rgba(216,31,58,.16), rgba(124,44,255,.0));
      transform: translateX(-40%);
      opacity:.35;
      pointer-events:none;
      animation: sheen 7.5s ease-in-out infinite;
    }
    @keyframes sheen{
      0%{transform: translateX(-45%); opacity:.20}
      40%{transform: translateX(20%); opacity:.40}
      100%{transform: translateX(55%); opacity:.16}
    }
    .hero-kicker{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      position:relative;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(216,31,58,.18);
      background: rgba(255,255,255,.75);
      color: rgba(31,35,48,.92);
      font-size:12px;
      box-shadow: 0 14px 30px rgba(216,31,58,.10);
    }
    .pill b{color:var(--brand3)}
    .hero h1{
      margin:14px 0 10px 0;
      font-size:34px;
      line-height:1.12;
      letter-spacing:-.6px;
      position:relative;
    }
    .hero-sub{
      margin:0;
      color: var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width:62ch;
      position:relative;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:16px;
      position:relative;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:12px 16px;
      border-radius:14px;
      border:1px solid rgba(20,22,30,.12);
      background: rgba(255,255,255,.82);
      color: rgba(31,35,48,.92);
      font-weight:800;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
      user-select:none;
    }
    .btn:focus{outline:3px solid var(--focus); outline-offset:2px}
    .btn:hover{transform: translateY(-1px); box-shadow: 0 16px 35px rgba(21,26,44,.12)}
    .btn.primary{
      border-color: rgba(216,31,58,.34);
      background: linear-gradient(180deg, rgba(216,31,58,.95), rgba(184,21,45,.92));
      color:#fff;
      box-shadow: 0 18px 45px rgba(216,31,58,.22);
    }
    .btn.primary:hover{box-shadow: 0 24px 55px rgba(216,31,58,.26)}
    .btn .dot{
      width:10px;height:10px;border-radius:4px;
      background: rgba(255,255,255,.85);
      box-shadow: 0 0 0 6px rgba(255,255,255,.18);
    }
    .btn.ghost{
      background: rgba(255,255,255,.72);
    }
    .hero-mini{
      margin-top:18px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      position:relative;
    }
    .mini-item{
      flex:1 1 180px;
      min-width:160px;
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.78);
      border-radius:16px;
      padding:12px 12px;
      display:flex;
      gap:10px;
      align-items:flex-start;
      transition: transform .18s ease, border-color .18s ease;
    }
    .mini-item:hover{
      transform: translateY(-2px);
      border-color: rgba(216,31,58,.22);
    }
    .icon{
      width:34px;height:34px;border-radius:14px;
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(216,31,58,.18);
      background: linear-gradient(180deg, rgba(216,31,58,.12), rgba(124,44,255,.08));
      color: var(--brand3);
      flex:0 0 auto;
      font-weight:900;
    }
    .mini-item strong{display:block; font-size:13px; margin-top:1px}
    .mini-item span{display:block; font-size:12px; color:var(--muted); margin-top:4px; line-height:1.5}

    .hero-right{
      border-radius: var(--radius2);
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 16px 40px rgba(21,26,44,.08);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .hero-right:after{
      content:"";
      position:absolute;
      width:240px;height:240px;
      border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(216,31,58,.20), rgba(216,31,58,0) 62%);
      right:-90px; top:-110px;
      pointer-events:none;
    }
    .metric-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-bottom:12px;
      position:relative;
    }
    .metric{
      border-radius:16px;
      border:1px solid rgba(20,22,30,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.74));
      padding:12px 12px;
      min-height:84px;
    }
    .metric .num{
      font-size:20px;
      font-weight:950;
      letter-spacing:-.4px;
      display:flex; align-items:baseline; gap:8px;
    }
    .metric .num em{
      font-style:normal;
      font-size:12px;
      color:var(--muted2);
      font-weight:800;
      letter-spacing:.2px;
    }
    .metric .lab{
      color:var(--muted);
      margin-top:8px;
      font-size:12.5px;
      line-height:1.4;
    }
    .hero-panel{
      border-radius:18px;
      border:1px solid rgba(216,31,58,.14);
      background:
        linear-gradient(180deg, rgba(216,31,58,.08), rgba(255,255,255,.70));
      padding:14px;
      position:relative;
    }
    .hero-panel h3{
      margin:0;
      font-size:14px;
      letter-spacing:.2px;
    }
    .bullet{
      margin:10px 0 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .bullet li{
      display:flex; gap:10px; align-items:flex-start;
      color: rgba(31,35,48,.90);
      font-size:13px;
      line-height:1.55;
    }
    .check{
      width:22px;height:22px;border-radius:10px;
      background: rgba(216,31,58,.14);
      border:1px solid rgba(216,31,58,.20);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      color: var(--brand3);
      font-weight:900;
      margin-top:1px;
    }

    /* Sections */
    section{padding:26px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.6;
      max-width:62ch;
    }
    .tagrow{
      display:flex; gap:8px; flex-wrap:wrap; align-items:center;
      margin-top:8px;
    }
    .tag{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      background: rgba(216,31,58,.08);
      border: 1px solid rgba(216,31,58,.14);
      color: rgba(31,35,48,.92);
      white-space:nowrap;
    }
    .grid-3{
      display:grid; grid-template-columns: repeat(3,1fr);
      gap:12px;
    }
    .grid-4{
      display:grid; grid-template-columns: repeat(4,1fr);
      gap:10px;
    }
    .card{
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.78);
      border-radius:var(--radius);
      padding:14px;
      box-shadow: 0 14px 35px rgba(21,26,44,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      border-color: rgba(216,31,58,.20);
      box-shadow: 0 20px 55px rgba(21,26,44,.10);
    }
    .card h3{
      margin:10px 0 6px 0;
      font-size:15px;
      letter-spacing:-.1px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
    }

    /* Service capacity cards */
    .cap{
      display:flex; gap:12px; align-items:flex-start;
    }
    .cap .badge{
      width:40px;height:40px;border-radius:16px;
      background: linear-gradient(180deg, rgba(216,31,58,.12), rgba(124,44,255,.10));
      border:1px solid rgba(216,31,58,.18);
      color: var(--brand3);
      display:flex;align-items:center;justify-content:center;
      font-weight:950;
      flex:0 0 auto;
    }
    .cap strong{display:block; font-size:14px}
    .cap span{display:block; color:var(--muted); font-size:12.5px; margin-top:6px; line-height:1.55}

    /* Process steps */
    .process{
      display:grid;
      grid-template-columns: repeat(4,1fr);
      gap:12px;
    }
    .step{
      padding:16px 14px;
      border-radius:var(--radius);
      border:1px solid rgba(20,22,30,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.72));
      position:relative;
      overflow:hidden;
    }
    .step:before{
      content:"";
      position:absolute;
      left:-40px; top:-50px;
      width:120px; height:120px;
      border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(216,31,58,.18), transparent 60%);
      pointer-events:none;
    }
    .step-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
      position:relative;
    }
    .step-num{
      font-weight:1000;
      font-size:12px;
      letter-spacing:.2px;
      color: rgba(31,35,48,.86);
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(216,31,58,.18);
      background: rgba(216,31,58,.08);
      white-space:nowrap;
    }
    .step .k{
      font-size:26px;
      font-weight:1000;
      color: rgba(216,31,58,.22);
      margin:0;
      line-height:1;
    }
    .step h3{margin:8px 0 6px 0; font-size:15px; position:relative}
    .step p{margin:0; color:var(--muted); font-size:13px; line-height:1.65; position:relative}

    /* Comparison */
    .compare-wrap{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:12px;
      align-items:start;
    }
    .table-wrap{
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.78);
      border-radius:var(--radius2);
      overflow:hidden;
      box-shadow: 0 14px 35px rgba(21,26,44,.06);
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      font-size:13px;
      color: rgba(31,35,48,.92);
    }
    thead th{
      background: linear-gradient(180deg, rgba(216,31,58,.10), rgba(255,255,255,.86));
      color: rgba(31,35,48,.95);
      text-align:left;
      padding:12px 12px;
      border-bottom:1px solid rgba(20,22,30,.10);
      font-weight:900;
      letter-spacing:.2px;
      white-space:nowrap;
    }
    tbody td{
      padding:12px 12px;
      border-bottom:1px solid rgba(20,22,30,.08);
      vertical-align:top;
      color: rgba(31,35,48,.88);
    }
    tbody tr:last-child td{border-bottom:none}
    tbody td:first-child{
      width:34%;
      color: rgba(31,35,48,.95);
      font-weight:800;
    }
    .score-card{
      border-radius:var(--radius2);
      border:1px solid rgba(216,31,58,.18);
      background:
        radial-gradient(600px 320px at 40% 10%, rgba(216,31,58,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.72));
      padding:16px;
      box-shadow: 0 18px 45px rgba(216,31,58,.12);
      position:sticky;
      top:84px;
    }
    .score-top{
      display:flex; justify-content:space-between; align-items:flex-start; gap:12px;
    }
    .stars{
      display:flex; align-items:center; gap:10px;
    }
    .star-row{
      display:flex; gap:4px; align-items:center;
      font-size:18px;
      color: rgba(216,31,58,.95);
    }
    .score-title{
      margin:0;
      font-weight:1000;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .score-num{
      display:flex; flex-direction:column; align-items:flex-end;
      line-height:1.1;
    }
    .score-num b{
      font-size:26px;
      letter-spacing:-.6px;
    }
    .score-num span{
      color:var(--muted);
      font-size:12px;
      margin-top:6px;
      font-weight:800;
    }
    .score-list{
      margin:12px 0 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .score-list li{
      display:flex; gap:10px; align-items:flex-start;
      color: rgba(31,35,48,.90);
      font-size:13px;
      line-height:1.5;
    }
    .tick{
      width:22px;height:22px;border-radius:11px;
      background: rgba(12,122,85,.10);
      border:1px solid rgba(12,122,85,.22);
      color: var(--ok);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      font-weight:1000;
      margin-top:1px;
    }

    /* Comments */
    .comments{
      display:grid;
      grid-template-columns: repeat(3,1fr);
      gap:12px;
    }
    .quote{
      position:relative;
    }
    .quote .meta{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .avatar{
      width:38px;height:38px;border-radius:16px;
      background: linear-gradient(135deg, rgba(216,31,58,.18), rgba(124,44,255,.12));
      border:1px solid rgba(216,31,58,.18);
      display:flex;align-items:center;justify-content:center;
      font-weight:1000;
      color: rgba(31,35,48,.92);
    }
    .who strong{display:block; font-size:13.5px}
    .who span{display:block; color:var(--muted); font-size:12px; margin-top:4px}
    .rating{
      display:flex; gap:3px;
      color: rgba(216,31,58,.95);
      font-size:14px;
    }
    .quote .txt{
      margin:0;
      color: rgba(31,35,48,.86);
      font-size:13px;
      line-height:1.7;
    }

    /* Cases + Articles */
    .case-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:12px;
      align-items:start;
    }
    .case-card{
      border-radius:var(--radius2);
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.78);
      padding:16px;
      box-shadow: 0 14px 35px rgba(21,26,44,.06);
      overflow:hidden;
      position:relative;
    }
    .case-card:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(420px 220px at 15% 0%, rgba(216,31,58,.18), transparent 60%),
        radial-gradient(320px 200px at 80% 15%, rgba(124,44,255,.14), transparent 55%);
      pointer-events:none;
      opacity:.7;
    }
    .case-card > *{position:relative}
    .case-head{
      display:flex; justify-content:space-between; align-items:flex-start; gap:12px;
      margin-bottom:12px;
    }
    .case-head h3{margin:0; font-size:15px}
    .case-head p{margin:6px 0 0 0; color:var(--muted); font-size:13px; line-height:1.65; max-width:60ch}
    .chips{
      display:flex; gap:8px; flex-wrap:wrap; align-items:center;
      margin-top:10px;
    }
    .chip{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      background: rgba(216,31,58,.08);
      border:1px solid rgba(216,31,58,.14);
      color: rgba(31,35,48,.90);
      white-space:nowrap;
    }
    .case-list{
      margin:12px 0 0 0;
      padding:0;
      list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .case-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.82);
      transition: transform .18s ease, border-color .18s ease;
    }
    .case-item:hover{transform: translateY(-2px); border-color: rgba(216,31,58,.18)}
    .case-ico{
      width:40px;height:40px;border-radius:16px;
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(216,31,58,.18);
      background: linear-gradient(180deg, rgba(216,31,58,.12), rgba(124,44,255,.08));
      font-weight:1000;
      color: var(--brand3);
      flex:0 0 auto;
    }
    .case-item strong{display:block; font-size:13.5px}
    .case-item span{display:block; color:var(--muted); font-size:12.5px; margin-top:6px; line-height:1.55}

    .article-card{
      border-radius:var(--radius2);
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.78);
      padding:16px;
      box-shadow: 0 14px 35px rgba(21,26,44,.06);
    }
    .article-card h3{margin:0; font-size:15px}
    .article-list{
      margin:12px 0 0 0;
      padding:0; list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .article-list a{
      display:flex; gap:12px; align-items:flex-start;
      border-radius:16px;
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.82);
      padding:12px;
      transition: transform .18s ease, border-color .18s ease;
      cursor:pointer;
    }
    .article-list a:hover{transform: translateY(-2px); border-color: rgba(216,31,58,.18)}
    .article-num{
      width:34px;height:34px;border-radius:14px;
      background: rgba(216,31,58,.10);
      border:1px solid rgba(216,31,58,.18);
      color: var(--brand3);
      display:flex;align-items:center;justify-content:center;
      font-weight:1000;
      flex:0 0 auto;
    }
    .article-txt strong{display:block; font-size:13.5px}
    .article-txt span{display:block; margin-top:6px; color:var(--muted); font-size:12.5px; line-height:1.45}

    /* Matching + form */
    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .side-panel{
      border-radius:var(--radius2);
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.78);
      padding:16px;
      box-shadow: 0 14px 35px rgba(21,26,44,.06);
      position:relative;
      overflow:hidden;
    }
    .side-panel:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(460px 260px at 12% 0%, rgba(216,31,58,.16), transparent 60%),
        radial-gradient(420px 220px at 85% 15%, rgba(124,44,255,.12), transparent 60%);
      pointer-events:none; opacity:.65;
    }
    .side-panel > *{position:relative}
    .side-panel h3{margin:0; font-size:15px}
    .side-panel p{margin:10px 0 0 0; color:var(--muted); font-size:13px; line-height:1.7}
    .form{
      display:flex; flex-direction:column; gap:10px;
      margin-top:12px;
    }
    .field{
      display:flex; flex-direction:column; gap:6px;
    }
    label{
      font-size:12.5px;
      color: rgba(31,35,48,.88);
      font-weight:900;
      letter-spacing:.2px;
    }
    input, select, textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(20,22,30,.12);
      background: rgba(255,255,255,.92);
      padding:12px 12px;
      font-size:14px;
      color:var(--text);
      outline:none;
      transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(216,31,58,.36);
      box-shadow: 0 0 0 4px rgba(216,31,58,.14);
    }
    .form-actions{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin-top:2px;
    }
    .helptext{
      color:var(--muted2);
      font-size:12px;
      line-height:1.55;
      margin:0;
      flex:1 1 220px;
    }
    .form .btn{width:auto}
    .form .btn.primary{padding:12px 18px}

    /* Timeline */
    .timeline{
      display:grid; grid-template-columns: 1.1fr .9fr; gap:12px;
      align-items:start;
    }
    .time-card{
      border-radius:var(--radius2);
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.78);
      padding:16px;
      box-shadow: 0 14px 35px rgba(21,26,44,.06);
    }
    .timeline-steps{
      margin:10px 0 0 0;
      padding:0; list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .tstep{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.82);
    }
    .tbullet{
      width:34px;height:34px;border-radius:14px;
      background: rgba(216,31,58,.10);
      border:1px solid rgba(216,31,58,.18);
      color: var(--brand3);
      display:flex;align-items:center;justify-content:center;
      font-weight:1000;
      flex:0 0 auto;
    }
    .tstep strong{display:block; font-size:13.5px}
    .tstep span{display:block; margin-top:6px; color:var(--muted); font-size:12.5px; line-height:1.55}

    .map-card{
      border-radius:var(--radius2);
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.78);
      padding:16px;
      box-shadow: 0 14px 35px rgba(21,26,44,.06);
      overflow:hidden;
      position:relative;
    }
    .network-grid{
      display:grid;
      grid-template-columns: repeat(2,1fr);
      gap:10px;
      margin-top:12px;
    }
    .net-item{
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.82);
    }
    .net-item strong{display:flex; align-items:center; gap:8px; font-size:13.5px}
    .net-item strong i{
      width:10px;height:10px;border-radius:4px;
      background: rgba(216,31,58,.55);
      box-shadow: 0 0 0 6px rgba(216,31,58,.12);
      display:inline-block;
    }
    .net-item span{display:block; margin-top:7px; color:var(--muted); font-size:12.5px; line-height:1.55}

    /* FAQ */
    .faq-card{
      border-radius:var(--radius2);
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 35px rgba(21,26,44,.06);
      overflow:hidden;
    }
    details.faq{
      border-top:1px solid rgba(20,22,30,.08);
      padding:0 14px;
    }
    details.faq:first-child{border-top:none}
    summary{
      list-style:none;
      cursor:pointer;
      padding:14px 0;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-weight:1000;
      color: rgba(31,35,48,.95);
      font-size:14px;
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      display:flex; align-items:center; gap:10px; flex:0 0 auto;
      color: var(--muted2);
      font-weight:900;
      font-size:12px;
    }
    .chev{
      width:34px;height:34px;border-radius:14px;
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.88);
      display:flex; align-items:center; justify-content:center;
      transition: transform .22s ease, border-color .18s ease;
    }
    details[open] .chev{transform: rotate(180deg); border-color: rgba(216,31,58,.20)}
    .faq-body{
      padding:0 0 16px 0;
      color: var(--muted);
      font-size:13px;
      line-height:1.75;
    }

    /* Tags cloud */
    .cloud{
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .cloud a{
      font-size:12.5px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.82);
      color: rgba(31,35,48,.90);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .cloud a:hover{
      transform: translateY(-2px);
      border-color: rgba(216,31,58,.22);
      background: rgba(216,31,58,.06);
    }

    /* Floating客服 */
    .float-wrap{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:80;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .float-btn{
      pointer-events:auto;
      display:flex; align-items:center; gap:10px;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(216,31,58,.20);
      background: rgba(255,255,255,.86);
      box-shadow: 0 18px 45px rgba(21,26,44,.12);
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .float-btn:hover{transform: translateY(-2px); box-shadow: 0 24px 60px rgba(21,26,44,.16)}
    .float-btn strong{font-size:13px; letter-spacing:.2px}
    .float-btn span{display:block; font-size:12px; color:var(--muted); margin-top:4px}
    .qr-pop{
      pointer-events:auto;
      width:230px;
      border-radius:18px;
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.92);
      box-shadow: 0 22px 60px rgba(21,26,44,.18);
      overflow:hidden;
      display:none;
    }
    .qr-pop .qr-head{
      padding:10px 12px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      border-bottom:1px solid rgba(20,22,30,.08);
      background: linear-gradient(180deg, rgba(216,31,58,.08), rgba(255,255,255,.9));
    }
    .qr-pop .qr-head strong{font-size:13px}
    .qr-pop .x{
      width:34px;height:34px;border-radius:14px;
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.86);
      cursor:pointer;
      display:flex;align-items:center;justify-content:center;
      font-weight:1000;
      color: var(--muted);
    }
    .qr-pop .qr-body{padding:12px; display:flex; flex-direction:column; gap:10px; align-items:center}
    .qr-pop img{
      width:190px; max-width:100%;
      height:auto; border-radius:14px;
      border:1px solid rgba(20,22,30,.10);
      background:#fff;
    }
    .qr-hint{
      font-size:12px; color:var(--muted); line-height:1.5;
      text-align:center;
      padding:0 6px 4px 6px;
      margin:0;
    }

    /* Footer */
    footer{
      padding:22px 0 28px 0;
      background: linear-gradient(180deg, rgba(255,255,255,0), rgba(216,31,58,.04) 30%, rgba(255,255,255,0));
      border-top:1px solid rgba(20,22,30,.08);
      margin-top:8px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:12px;
      align-items:start;
    }
    .footer-left{
      border-radius:var(--radius2);
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.80);
      padding:16px;
    }
    .footer-left .row{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
      justify-content:space-between;
    }
    .footer-left h3{margin:0; font-size:16px}
    .footer-left p{
      margin:10px 0 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      max-width:70ch;
    }
    .footer-right{
      border-radius:var(--radius2);
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.80);
      padding:16px;
    }
    .footer-right h3{margin:0; font-size:16px}
    .links{
      margin-top:12px;
      display:flex; flex-direction:column; gap:10px;
    }
    .links a{
      display:flex; justify-content:space-between; align-items:center; gap:10px;
      padding:11px 12px;
      border-radius:16px;
      border:1px solid rgba(20,22,30,.10);
      background: rgba(255,255,255,.84);
      transition: transform .18s ease, border-color .18s ease;
      font-size:13px;
      color: rgba(31,35,48,.92);
    }
    .links a:hover{transform: translateY(-2px); border-color: rgba(216,31,58,.20)}
    .links a i{
      width:28px;height:28px;border-radius:12px;
      border:1px solid rgba(216,31,58,.18);
      background: rgba(216,31,58,.10);
      display:flex;align-items:center;justify-content:center;
      color: var(--brand3);
      font-style:normal;
      font-weight:1000;
    }
    .copyright{
      margin-top:12px;
      color: var(--muted2);
      font-size:12px;
      text-align:center;
    }

    /* Reveal */
    .reveal{opacity:0; transform: translateY(10px); transition: opacity .55s ease, transform .55s ease}
    .reveal.in{opacity:1; transform: translateY(0)}

    .sr-only{
      position:absolute; width:1px; height:1px; padding:0; margin:-1px;
      overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
    }

    /* Responsive */
    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr; }
      .score-card{position:relative; top:auto}
      .compare-wrap{grid-template-columns:1fr}
      .process{grid-template-columns: repeat(2,1fr)}
      .grid-3{grid-template-columns:1fr}
      .grid-4{grid-template-columns:repeat(2,1fr)}
      .comments{grid-template-columns:1fr}
      .case-grid{grid-template-columns:1fr}
      .two-col{grid-template-columns:1fr}
      .timeline{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .nav{display:none}
      .menu-btn{display:flex}
      .mobile-panel{display:block}
    }
    @media (max-width: 520px){
      .hero h1{font-size:28px}
      .metric-grid{grid-template-columns: 1fr 1fr}
      .process{grid-template-columns:1fr}
      .grid-4{grid-template-columns:1fr 1fr}
      .network-grid{grid-template-columns:1fr}
      .float-wrap{right:10px; bottom:10px}
      .qr-pop{width:210px}
    }

    @media (prefers-reduced-motion: reduce){
      *{animation:none !important; transition:none !important; scroll-behavior:auto}
      html{scroll-behavior:auto}
    }