:root{
    --green-900:#0B2E1F;
    --green-800:#0A5C36;
    --green-700:#0A7B43;
    --green-600:#0B8446;
    --green-050:#EAF9F0;
    --ink:#2C4438;
    --ink-soft:#4E6B5D;
    --line:rgba(11,150,90,.15);
    --card:#FFFFFF;
    --radius:18px;
    --shadow:0 8px 24px rgba(9,80,50,.06);
    --shadow-hover:0 18px 40px rgba(9,80,50,.14);
    --maxw:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    color:var(--ink);
    font-size:16px;
    line-height:1.7;
    background-color:#F3FBF6;
    background-image:
      radial-gradient(900px 520px at 10% -6%, rgba(24,200,116,.18), transparent 62%),
      radial-gradient(760px 460px at 92% 4%, rgba(0,214,140,.13), transparent 62%),
      linear-gradient(180deg,#F4FCF7 0%,#EDF9F2 42%,#F7FDF9 100%);
    overflow-x:hidden;
  }
  h1,h2,h3,h4{color:var(--green-900);line-height:1.35;margin:0;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  a{color:var(--green-700);}
  img{max-width:100%;display:block;}
  .container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
  .section{padding:clamp(52px,7vw,84px) 0;}
  .section-head{max-width:780px;margin:0 auto 38px;text-align:center;}
  .section-head.left{margin:0 0 30px;text-align:left;max-width:680px;}
  .eyebrow{
    display:inline-block;padding:5px 14px;border-radius:999px;
    background:rgba(11,150,90,.1);color:#066B3C;font-size:13px;font-weight:600;letter-spacing:1px;
    margin-bottom:14px;
  }
  h2{font-size:clamp(23px,3vw,33px);font-weight:800;letter-spacing:.4px;margin-bottom:14px;}
  .section-head p{color:var(--ink-soft);font-size:16px;}
  .hl{background:linear-gradient(transparent 62%, rgba(24,214,120,.35) 62%);padding:0 2px;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
    text-decoration:none;border:none;cursor:pointer;font-family:inherit;
    transition:transform .22s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
  }
  .btn-primary{
    background:linear-gradient(135deg,#0B8446,#055C33);
    color:#FFFFFF;box-shadow:0 10px 22px rgba(8,120,66,.26);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(8,120,66,.32);}
  .btn-primary:active{transform:translateY(0) scale(.985);}
  .btn-ghost{
    background:#FFFFFF;color:var(--green-800);
    border:1px solid rgba(11,150,90,.35);
  }
  .btn-ghost:hover{background:var(--green-050);transform:translateY(-2px);box-shadow:0 10px 22px rgba(9,80,50,.1);}
  .btn-sm{padding:10px 20px;font-size:14px;}

  /* Header */
  .site-header{
    position:sticky;top:0;z-index:120;
    background:rgba(255,255,255,.9);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .3s ease;
  }
  .site-header.scrolled{box-shadow:0 10px 26px rgba(9,80,50,.1);}
  .header-inner{
    position:relative;
    display:flex;align-items:center;justify-content:space-between;
    gap:14px;min-height:68px;padding-top:8px;padding-bottom:8px;
  }
  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;min-width:0;}
  .brand-logo{display:flex;align-items:center;max-width:150px;overflow:hidden;}
  .brand .ai-page-logo{max-height:38px;width:auto;}
  .brand-name{font-size:17px;font-weight:800;color:var(--green-900);letter-spacing:.5px;white-space:nowrap;}
  .nav-wrap{display:flex;align-items:center;}
  .nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0;}
  .nav-links a{
    display:block;padding:9px 10px;font-size:14px;color:#22402F;text-decoration:none;
    border-radius:10px;white-space:nowrap;
    transition:background .22s ease,color .22s ease,transform .22s ease;
  }
  .nav-links a:hover{background:var(--green-050);color:var(--green-800);transform:translateY(-1px);}
  .header-cta{flex-shrink:0;}
  .nav-toggle{
    display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    width:42px;height:42px;border-radius:11px;background:#FFFFFF;
    border:1px solid var(--line);cursor:pointer;flex-shrink:0;
  }
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--green-900);transition:transform .3s ease,opacity .3s ease;}
  .nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle.open span:nth-child(2){opacity:0;}
  .nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  /* Hero */
  .hero{position:relative;overflow:hidden;padding:clamp(46px,6.5vw,82px) 0 clamp(44px,6vw,70px);}
  .hero::before{
    content:"";position:absolute;top:-190px;right:-140px;width:540px;height:540px;border-radius:50%;
    background:radial-gradient(circle,rgba(24,214,120,.24),transparent 68%);
    pointer-events:none;
  }
  .hero::after{
    content:"";position:absolute;bottom:-220px;left:-160px;width:480px;height:480px;border-radius:50%;
    background:radial-gradient(circle,rgba(10,132,70,.14),transparent 70%);
    pointer-events:none;
  }
  .hero-inner{
    position:relative;z-index:1;
    display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center;
  }
  .hero h1{font-size:clamp(27px,4.2vw,44px);font-weight:800;letter-spacing:.5px;margin-bottom:18px;}
  .hero-lede{font-size:clamp(15px,1.4vw,17px);color:var(--ink-soft);max-width:620px;margin-bottom:26px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:18px;}
  .hero-note{font-size:14px;color:#53705F;display:flex;align-items:center;gap:8px;}
  .hero-note::before{content:"";width:7px;height:7px;border-radius:50%;background:#16C878;box-shadow:0 0 0 4px rgba(22,200,120,.16);}
  .hero-panel{
    background:#FFFFFF;border:1px solid var(--line);border-radius:24px;
    padding:26px 24px;box-shadow:0 22px 50px rgba(9,80,50,.1);
    position:relative;
  }
  .hero-panel::before{
    content:"";position:absolute;inset:0;border-radius:24px;
    background:linear-gradient(135deg,rgba(24,214,120,.12),transparent 55%);
    pointer-events:none;
  }
  .hero-panel h2{font-size:17px;font-weight:700;margin-bottom:16px;position:relative;}
  .panel-item{display:flex;gap:12px;padding:12px 0;border-top:1px dashed rgba(11,150,90,.2);position:relative;}
  .panel-item:first-of-type{border-top:none;padding-top:0;}
  .panel-dot{
    flex-shrink:0;width:30px;height:30px;border-radius:10px;
    background:linear-gradient(135deg,#0B8446,#055C33);color:#fff;
    display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  }
  .panel-item strong{display:block;font-size:15px;color:var(--green-900);margin-bottom:2px;}
  .panel-item span{font-size:13.5px;color:var(--ink-soft);line-height:1.6;}

  /* About */
  .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;margin-bottom:38px;}
  .about-text p{color:var(--ink-soft);margin-bottom:14px;}
  .ability-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .ability{
    background:#FFFFFF;border:1px solid var(--line);border-radius:14px;padding:16px;
    transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  }
  .ability:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(11,150,90,.3);}
  .ability strong{display:block;font-size:14.5px;color:var(--green-900);margin-bottom:4px;}
  .ability span{font-size:13px;color:var(--ink-soft);line-height:1.55;}
  .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:34px;}
  .metric{
    background:#FFFFFF;border:1px solid var(--line);border-radius:16px;
    padding:22px 16px;text-align:center;box-shadow:var(--shadow);
    transition:transform .28s ease,box-shadow .28s ease;
  }
  .metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .metric .num{display:block;font-size:clamp(26px,3.2vw,34px);font-weight:800;color:var(--green-600);line-height:1.15;margin-bottom:4px;}
  .metric .lab{font-size:13.5px;color:var(--ink-soft);}
  .model-cloud{
    background:#FFFFFF;border:1px solid var(--line);border-radius:20px;
    padding:26px 24px;box-shadow:var(--shadow);
  }
  .model-cloud h3{font-size:17px;margin-bottom:16px;}
  .tag-list{display:flex;flex-wrap:wrap;gap:10px;}
  .tag-list li{
    padding:6px 14px;border-radius:999px;background:#F5FCF8;
    border:1px solid rgba(11,150,90,.2);color:#1D4735;font-size:13px;
    transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease;
  }
  .tag-list li:hover{background:var(--green-600);color:#FFFFFF;border-color:var(--green-600);transform:translateY(-2px);}

  /* Cards grid */
  .grid{display:grid;gap:20px;}
  .grid-2{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(3,1fr);}
  .grid-4{grid-template-columns:repeat(4,1fr);}
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    padding:24px;box-shadow:var(--shadow);
    transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  }
  .card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(11,150,90,.3);}
  .card h3{font-size:17.5px;margin-bottom:10px;}
  .card p{font-size:14.5px;color:var(--ink-soft);line-height:1.68;}
  .card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
  .card-tags span{
    font-size:12.5px;color:#0A6B3C;background:var(--green-050);
    border-radius:999px;padding:4px 11px;
  }
  .tool-card{
    background:#FFFFFF;border:1px solid var(--line);border-radius:16px;padding:20px;
    transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  }
  .tool-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(11,150,90,.3);}
  .tool-card h3{font-size:16px;margin-bottom:7px;}
  .tool-card p{font-size:13.5px;color:var(--ink-soft);line-height:1.62;}

  /* Network */
  .network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
  .network-card{
    background:#FFFFFF;border:1px solid var(--line);border-radius:16px;padding:22px 20px;
    border-top:3px solid var(--green-600);
    transition:transform .28s ease,box-shadow .28s ease;
  }
  .network-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .network-card h3{font-size:16px;margin-bottom:8px;}
  .network-card p{font-size:13.5px;color:var(--ink-soft);line-height:1.65;}

  /* Steps */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:none;}
  .step{
    position:relative;background:#FFFFFF;border:1px solid var(--line);
    border-radius:16px;padding:22px 20px 20px;
    transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  }
  .step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(11,150,90,.3);}
  .step-idx{
    display:inline-flex;align-items:center;justify-content:center;
    min-width:36px;height:26px;padding:0 10px;border-radius:8px;
    background:linear-gradient(135deg,#0B8446,#055C33);color:#fff;
    font-size:12.5px;font-weight:700;letter-spacing:.5px;margin-bottom:12px;
  }
  .step h3{font-size:16px;margin-bottom:6px;}
  .step p{font-size:13.5px;color:var(--ink-soft);line-height:1.62;}

  /* Cases */
  .case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;}
  .case-card{
    margin:0;background:#FFFFFF;border:1px solid var(--line);border-radius:16px;
    padding:12px;box-shadow:var(--shadow);
    transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  }
  .case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(11,150,90,.3);}
  .case-card .thumb{
    aspect-ratio:4/3;background:#F1FAF4;border-radius:12px;
    display:flex;align-items:center;justify-content:center;padding:10px;overflow:hidden;
  }
  .case-card .thumb img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;}
  .case-card figcaption{
    font-size:13.5px;color:var(--ink-soft);text-align:center;padding:10px 4px 2px;
  }

  /* Compare */
  .score-card{
    display:flex;flex-wrap:wrap;align-items:center;gap:24px;
    background:linear-gradient(135deg,#0A5C36,#073A22);
    border-radius:20px;padding:clamp(22px,3vw,32px);margin-bottom:26px;
    color:#EAF9F0;box-shadow:0 18px 40px rgba(7,58,34,.28);
  }
  .score-main{display:flex;align-items:center;gap:18px;flex-shrink:0;}
  .score-num{font-size:clamp(38px,6vw,56px);font-weight:800;line-height:1;color:#FFFFFF;}
  .score-num span{font-size:16px;font-weight:600;color:rgba(234,249,240,.75);margin-left:2px;}
  .score-meta{display:flex;flex-direction:column;gap:4px;}
  .score-label{font-size:14px;color:rgba(234,249,240,.8);}
  .stars{font-size:19px;letter-spacing:3px;color:#4EF09A;}
  .score-card p{font-size:14.5px;color:rgba(234,249,240,.9);line-height:1.7;flex:1 1 320px;margin:0;}
  .table-wrap{
    overflow-x:auto;border-radius:18px;border:1px solid var(--line);
    background:#FFFFFF;box-shadow:var(--shadow);
  }
  .compare-table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px;}
  .compare-table th,.compare-table td{
    padding:14px 18px;text-align:left;border-bottom:1px solid rgba(11,150,90,.1);
    vertical-align:top;
  }
  .compare-table thead th{background:#EAF9F0;color:#0A5C36;font-weight:700;font-size:14.5px;white-space:nowrap;}
  .compare-table tbody tr:last-child th,
  .compare-table tbody tr:last-child td{border-bottom:none;}
  .compare-table tbody th{font-weight:600;color:var(--green-900);white-space:nowrap;background:#FBFEFC;}
  .compare-table td{color:var(--ink-soft);}
  .compare-table .hi{background:rgba(11,132,70,.09);color:#0A6B3C;font-weight:600;}

  /* Price */
  .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:22px;}
  .price-card{
    background:#FFFFFF;border:1px solid var(--line);border-radius:18px;padding:26px 22px;
    box-shadow:var(--shadow);display:flex;flex-direction:column;
    transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  }
  .price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(11,150,90,.3);}
  .price-card.accent{background:linear-gradient(180deg,#F2FCF7,#FFFFFF);border-color:rgba(11,150,90,.3);}
  .price-card h3{font-size:18px;margin-bottom:8px;}
  .price-desc{font-size:13.5px;color:var(--ink-soft);margin-bottom:16px;line-height:1.65;}
  .check-list{display:flex;flex-direction:column;gap:9px;margin-bottom:20px;flex:1;}
  .check-list li{
    font-size:13.5px;color:#33513F;padding-left:20px;position:relative;line-height:1.6;
  }
  .check-list li::before{
    content:"";position:absolute;left:0;top:7px;width:10px;height:6px;
    border-left:2px solid var(--green-600);border-bottom:2px solid var(--green-600);
    transform:rotate(-45deg);
  }
  .price-note{
    font-size:13.5px;color:#3F5C4D;background:#EAF9F0;border:1px dashed rgba(11,150,90,.35);
    border-radius:12px;padding:14px 18px;line-height:1.7;
  }

  /* Join */
  .join-panel{
    display:grid;grid-template-columns:1.05fr 1fr;gap:32px;align-items:start;
    background:linear-gradient(135deg,#0A5C36,#063B23);
    border-radius:24px;padding:clamp(26px,4vw,46px);
    color:#EAF9F0;box-shadow:0 20px 46px rgba(7,58,34,.26);
  }
  .join-panel h2{color:#FFFFFF;margin-bottom:12px;}
  .join-panel p{color:rgba(234,249,240,.9);font-size:14.5px;margin-bottom:22px;}
  .join-list{display:grid;gap:14px;}
  .join-list li{
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
    border-radius:12px;padding:14px 16px;
  }
  .join-list strong{display:block;color:#FFFFFF;font-size:15px;margin-bottom:3px;}
  .join-list span{font-size:13.5px;color:rgba(234,249,240,.82);line-height:1.6;}
  .join-panel .btn-primary{background:linear-gradient(135deg,#19C878,#0B8446);box-shadow:0 10px 24px rgba(0,0,0,.2);}

  /* Reviews */
  .review-card{
    background:#FFFFFF;border:1px solid var(--line);border-radius:16px;padding:22px;
    box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  }
  .review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(11,150,90,.3);}
  .review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
  .avatar{
    flex-shrink:0;width:42px;height:42px;border-radius:50%;
    background:linear-gradient(135deg,#0B8446,#055C33);color:#fff;
    display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  }
  .review-head strong{display:block;font-size:15px;color:var(--green-900);}
  .review-head span{font-size:12.5px;color:#5C7A6B;}
  .review-card p{font-size:14px;color:var(--ink-soft);line-height:1.72;}

  /* News */
  .news-list{display:grid;gap:14px;}
  .news-item{
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    background:#FFFFFF;border:1px solid var(--line);border-radius:14px;
    padding:18px 22px;text-decoration:none;
    transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  }
  .news-item:hover{transform:translateX(4px);box-shadow:var(--shadow-hover);border-color:rgba(11,150,90,.3);}
  .news-item .news-title{font-size:15px;color:var(--green-900);font-weight:600;}
  .news-item .news-more{font-size:13.5px;color:var(--green-700);white-space:nowrap;flex-shrink:0;}

  /* Help */
  .help-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start;}
  .help-list{display:grid;gap:14px;}
  .help-item{
    background:#FFFFFF;border:1px solid var(--line);border-radius:14px;padding:18px 20px;
    transition:transform .26s ease,box-shadow .26s ease;
  }
  .help-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
  .help-item strong{display:block;font-size:15px;color:var(--green-900);margin-bottom:4px;}
  .help-item span{font-size:13.5px;color:var(--ink-soft);line-height:1.6;}

  /* FAQ */
  .faq-list{max-width:900px;margin:0 auto;}
  .faq-item{
    background:#FFFFFF;border:1px solid var(--line);border-radius:14px;
    margin-bottom:12px;overflow:hidden;
    transition:box-shadow .3s ease,border-color .3s ease;
  }
  .faq-item[open]{border-color:rgba(11,150,90,.35);box-shadow:0 12px 28px rgba(9,80,50,.09);}
  .faq-item summary{
    list-style:none;cursor:pointer;position:relative;
    padding:16px 46px 16px 20px;font-size:15.5px;font-weight:600;color:#123A28;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"";position:absolute;right:20px;top:50%;width:9px;height:9px;
    border-right:2px solid var(--green-600);border-bottom:2px solid var(--green-600);
    transform:translateY(-70%) rotate(45deg);transition:transform .3s ease;
  }
  .faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
  .faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--ink-soft);line-height:1.78;}
  .faq-item[open] .faq-body{animation:faqIn .32s ease;}
  @keyframes faqIn{from{opacity:0;transform:translateY(-5px);}to{opacity:1;transform:none;}}

  /* Contact */
  .contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start;}
  .form-card{
    background:#FFFFFF;border:1px solid var(--line);border-radius:20px;
    padding:clamp(22px,3vw,32px);box-shadow:var(--shadow);
  }
  .form-card h3{font-size:19px;margin-bottom:6px;}
  .form-tip{font-size:13.5px;color:var(--ink-soft);margin-bottom:22px;}
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
  .form-field{display:flex;flex-direction:column;gap:7px;}
  .form-field.full{grid-column:1 / -1;}
  .form-field label{font-size:13.5px;font-weight:600;color:#20402F;}
  .form-field input,.form-field select,.form-field textarea{
    width:100%;font-family:inherit;font-size:14.5px;color:var(--ink);
    background:#F7FCF9;border:1px solid rgba(11,150,90,.22);border-radius:11px;
    padding:11px 14px;outline:none;
    transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
  }
  .form-field input:focus,.form-field select:focus,.form-field textarea:focus{
    border-color:var(--green-600);background:#FFFFFF;box-shadow:0 0 0 3px rgba(11,132,70,.13);
  }
  .form-field textarea{resize:vertical;min-height:108px;}
  .form-submit{width:100%;margin-top:4px;}
  .contact-info{
    background:#FFFFFF;border:1px solid var(--line);border-radius:20px;
    padding:clamp(22px,3vw,30px);box-shadow:var(--shadow);
  }
  .contact-info h3{font-size:18px;margin-bottom:16px;}
  .info-list{display:grid;gap:12px;margin-bottom:22px;}
  .info-list li{
    display:flex;gap:12px;align-items:flex-start;
    font-size:14px;color:var(--ink-soft);line-height:1.6;
  }
  .info-list .info-label{
    flex-shrink:0;min-width:74px;color:var(--green-900);font-weight:600;
  }
  .info-list a{color:var(--green-700);text-decoration:none;border-bottom:1px dashed rgba(11,150,90,.4);}
  .info-list a:hover{color:var(--green-800);}
  .qr-box{text-align:center;border-top:1px dashed rgba(11,150,90,.22);padding-top:20px;}
  .qr-box .qr-img{width:150px;height:auto;margin:0 auto 10px;border-radius:10px;border:1px solid var(--line);}
  .qr-box span{font-size:13px;color:var(--ink-soft);}

  /* Footer */
  .site-footer{
    background:#07281A;color:#D6EBDF;margin-top:clamp(20px,3vw,34px);
    padding:clamp(34px,4vw,48px) 0 0;
  }
  .footer-top{display:grid;grid-template-columns:1.1fr 1.4fr;gap:34px;padding-bottom:28px;}
  .footer-brand .brand{margin-bottom:12px;}
  .footer-brand p{font-size:13.5px;color:#A9C9B8;line-height:1.72;max-width:420px;}
  .footer-title{display:block;font-size:14px;font-weight:700;color:#FFFFFF;margin-bottom:14px;}
  .friend-links{display:flex;flex-wrap:wrap;gap:10px 18px;}
  .friend-links a{
    font-size:13.5px;color:#A9E7C6;text-decoration:none;
    transition:color .25s ease;
  }
  .friend-links a:hover{color:#FFFFFF;text-decoration:underline;}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:16px 0 20px;font-size:13px;color:#8FB6A2;
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  }
  .footer-bottom a{color:#A9E7C6;text-decoration:none;}
  .footer-bottom a:hover{color:#FFFFFF;}

  /* Float dock */
  .float-dock{
    position:fixed;right:18px;bottom:22px;z-index:200;
    display:flex;flex-direction:column;align-items:flex-end;gap:10px;
  }
  .dock-btn{
    width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;
    font-family:inherit;font-size:13px;font-weight:600;color:#FFFFFF;
    background:linear-gradient(135deg,#0B8446,#055C33);
    box-shadow:0 10px 24px rgba(8,120,66,.32);
    display:flex;align-items:center;justify-content:center;
    transition:transform .25s ease,box-shadow .25s ease;
  }
  .dock-btn:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(8,120,66,.4);}
  .qr-pop{
    width:190px;background:#FFFFFF;border:1px solid var(--line);border-radius:16px;
    padding:14px;box-shadow:0 18px 40px rgba(9,80,50,.2);
    text-align:center;display:none;
  }
  .qr-pop.show{display:block;animation:faqIn .28s ease;}
  .qr-pop img{width:100%;height:auto;border-radius:10px;margin-bottom:8px;}
  .qr-pop p{font-size:12.5px;color:var(--ink-soft);}

  /* Reveal */
  .reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease;}
  .reveal.in{opacity:1;transform:none;}

  /* Responsive */
  @media (max-width:1080px){
    .nav-toggle{display:flex;}
    .nav-links{
      position:absolute;top:100%;left:0;right:0;
      flex-direction:column;align-items:stretch;gap:0;
      background:#FFFFFF;border-bottom:1px solid var(--line);
      box-shadow:0 18px 32px rgba(9,80,50,.12);
      padding:8px 20px 14px;display:none;
    }
    .nav-links.open{display:flex;}
    .nav-links a{padding:11px 6px;border-radius:8px;border-bottom:1px solid rgba(11,150,90,.08);}
    .hero-inner{grid-template-columns:1fr;gap:30px;}
    .about-grid{grid-template-columns:1fr;gap:26px;}
    .metrics{grid-template-columns:repeat(2,1fr);}
    .network-grid{grid-template-columns:repeat(2,1fr);}
    .steps{grid-template-columns:repeat(2,1fr);}
    .service-grid,.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
    .price-grid{grid-template-columns:1fr;}
    .join-panel{grid-template-columns:1fr;gap:24px;}
    .contact-grid{grid-template-columns:1fr;}
    .help-grid{grid-template-columns:1fr;gap:26px;}
    .footer-top{grid-template-columns:1fr;gap:24px;}
  }
  @media (max-width:640px){
    .header-cta{padding:9px 14px;font-size:13px;}
    .brand-name{display:none;}
    .metrics{grid-template-columns:repeat(2,1fr);gap:12px;}
    .metric{padding:18px 10px;}
    .ability-list{grid-template-columns:1fr;}
    .service-grid,.grid-2,.grid-3,.grid-4,.network-grid,.steps{grid-template-columns:1fr;}
    .form-row{grid-template-columns:1fr;}
    .news-item{flex-direction:column;align-items:flex-start;gap:6px;}
    .score-card{gap:16px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .float-dock{right:12px;bottom:16px;}
    .dock-btn{width:46px;height:46px;font-size:12px;}
  }
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;transition:none;}
    *{animation-duration:.001s !important;}
  }