:root{
  --green:#12C46A;
  --green-bright:#2AE37F;
  --lime:#C9F96A;
  --green-deep:#0A7D45;
  --ink:#0A2A1E;
  --ink-2:#274339;
  --muted:#5C7368;
  --line:#D9EDE3;
  --bg:#F5FBF7;
  --radius:18px;
  --shadow:0 10px 30px rgba(10,42,30,.07);
  --shadow-hover:0 18px 42px rgba(18,196,106,.18);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background-color:#F5FBF7;
  background-image:
    radial-gradient(820px 560px at 4% -2%, rgba(18,196,106,.16), transparent 62%),
    radial-gradient(760px 520px at 98% 6%, rgba(201,249,106,.22), transparent 60%),
    radial-gradient(900px 620px at 50% 46%, rgba(18,196,106,.07), transparent 68%),
    radial-gradient(760px 540px at 6% 96%, rgba(201,249,106,.18), transparent 62%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.2px;}
p{margin:0;}
img{max-width:100%;}
a{color:var(--green-deep);}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px;}
section[id]{scroll-margin-top:86px;}
.section{padding:68px 0;}
.section-tint{background:rgba(255,255,255,.62);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:730px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(24px,3.2vw,36px);line-height:1.28;font-weight:800;margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;}
.tag-label{display:inline-block;font-size:13px;font-weight:700;color:var(--green-deep);background:rgba(18,196,106,.12);padding:5px 13px;border-radius:999px;margin-bottom:14px;letter-spacing:.4px;border:1px solid rgba(18,196,106,.22);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:999px;font-weight:700;font-size:15px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .2s ease,box-shadow .25s ease,background .2s ease,border-color .2s ease;}
.btn-primary{background:linear-gradient(135deg,#2AE37F,#12C46A);color:#04281A;box-shadow:0 12px 26px rgba(18,196,106,.34);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(18,196,106,.44);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:0 4px 14px rgba(10,42,30,.06);}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(18,196,106,.5);color:var(--green-deep);}
.btn:active{transform:translateY(0);}

/* Header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:0 0 auto;}
.ai-page-logo{width:132px;display:block;}
.brand-text{font-weight:800;font-size:17px;letter-spacing:.6px;white-space:nowrap;}
.nav-wrap{display:flex;align-items:center;gap:14px;}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0;}
.nav-links a{display:block;padding:8px 10px;font-size:14px;color:var(--ink-2);text-decoration:none;border-radius:10px;white-space:nowrap;transition:color .2s ease,background .2s ease;}
.nav-links a:hover{color:var(--green-deep);background:rgba(18,196,106,.10);}
.nav-cta{padding:9px 20px;font-size:14px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);}

/* Hero */
.hero{position:relative;overflow:hidden;padding:66px 0 58px;}
.hero::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;top:-190px;right:-130px;background:radial-gradient(circle,rgba(42,227,127,.26),transparent 68%);pointer-events:none;animation:floatSlow 13s ease-in-out infinite;}
.hero::after{content:"";position:absolute;width:380px;height:380px;border-radius:50%;bottom:-200px;left:-140px;background:radial-gradient(circle,rgba(201,249,106,.30),transparent 68%);pointer-events:none;animation:floatSlow 16s ease-in-out infinite reverse;}
@keyframes floatSlow{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:999px;background:rgba(18,196,106,.12);border:1px solid rgba(18,196,106,.26);color:var(--green-deep);font-size:13px;font-weight:700;letter-spacing:.4px;}
.eyebrow span.dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(18,196,106,.18);}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.16;font-weight:800;margin:20px 0 16px;}
.hero h1 .hl{color:var(--green-deep);border-bottom:7px solid rgba(42,227,127,.42);padding-bottom:2px;}
.hero-desc{font-size:17px;color:var(--ink-2);max-width:580px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-trust span{font-size:13px;color:var(--ink-2);background:rgba(255,255,255,.85);border:1px solid var(--line);padding:6px 13px;border-radius:999px;display:inline-flex;align-items:center;gap:7px;}
.hero-trust span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);}

.hero-panel{position:relative;background:linear-gradient(180deg,#FFFFFF 0%,#F2FBF6 100%);border:1px solid var(--line);border-radius:26px;box-shadow:0 26px 60px rgba(10,42,30,.12);padding:24px;}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:15px;font-weight:800;color:var(--ink);}
.panel-head em{font-style:normal;font-size:12px;font-weight:600;color:var(--green-deep);background:rgba(18,196,106,.14);padding:4px 10px;border-radius:999px;}
.model-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.model-chips li{font-size:13px;padding:5px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-2);transition:transform .2s ease,border-color .2s ease,color .2s ease;}
.model-chips li:hover{border-color:var(--green);color:var(--green-deep);transform:translateY(-2px);}
.panel-flow{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);}
.panel-flow span{padding:6px 12px;border-radius:10px;background:rgba(18,196,106,.10);color:var(--green-deep);font-weight:700;}
.panel-flow i{font-style:normal;color:#9FBDB0;}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.stat-num{font-size:30px;font-weight:800;color:var(--green-deep);line-height:1.2;letter-spacing:-.5px;}
.stat-num small{font-size:15px;font-weight:700;color:var(--ink-2);margin-left:2px;}
.stat-label{margin-top:6px;font-size:14px;color:var(--muted);}

/* Cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(18,196,106,.45);}
.icon-box{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(42,227,127,.24),rgba(18,196,106,.14));color:var(--green-deep);margin-bottom:16px;}
.card h3{font-size:18px;font-weight:800;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.5px;}
.chip-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px;}
.chip-row span{font-size:12.5px;color:var(--green-deep);background:rgba(18,196,106,.10);border:1px solid rgba(18,196,106,.18);padding:3px 10px;border-radius:999px;}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:start;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;align-items:start;}

/* About */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start;}
.about-text p{color:var(--ink-2);margin-bottom:14px;font-size:15.5px;}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 16px;box-shadow:0 6px 18px rgba(10,42,30,.05);transition:transform .22s ease,box-shadow .22s ease;}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.mini-card h4{font-size:14.5px;font-weight:800;margin-bottom:6px;color:var(--ink);}
.mini-card p{font-size:13.5px;color:var(--muted);}
.tag-cloud{margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.tag-cloud h3{font-size:16px;font-weight:800;margin-bottom:14px;}
.cloud-list{display:flex;flex-wrap:wrap;gap:9px;}
.cloud-list li{font-size:13px;padding:6px 13px;border-radius:999px;background:#F3FBF7;border:1px solid var(--line);color:var(--ink-2);transition:background .2s ease,color .2s ease,transform .2s ease;}
.cloud-list li:hover{background:rgba(18,196,106,.14);color:var(--green-deep);transform:translateY(-2px);}

/* Studio */
.studio-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start;}
.studio-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;}
.studio-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.studio-media{overflow:hidden;background:#EAF7F0;aspect-ratio:3/2;}
.studio-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease;}
.studio-card:hover .studio-media img{transform:scale(1.04);}
.studio-card figcaption{padding:18px 20px 20px;}
.studio-card figcaption strong{display:block;font-size:16px;font-weight:800;margin-bottom:6px;}
.studio-card figcaption span{font-size:14px;color:var(--muted);}
.studio-square{display:grid;grid-template-columns:300px 1fr;gap:26px;align-items:center;margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.studio-square-media{overflow:hidden;border-radius:16px;background:#EAF7F0;aspect-ratio:1/1;}
.studio-square-media img{width:100%;height:100%;object-fit:cover;display:block;}
.studio-square h3{font-size:19px;font-weight:800;margin-bottom:10px;}
.studio-square p{color:var(--muted);font-size:14.5px;}

/* Solutions */
.solution-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;}
.solution-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.solution-card h3{font-size:17px;font-weight:800;margin-bottom:12px;}
.solution-card ul li{position:relative;padding-left:18px;font-size:14px;color:var(--muted);margin-bottom:8px;}
.solution-card ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--green);}

/* Network */
.network-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;}
.network-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.network-card h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.network-card p{font-size:14px;color:var(--muted);}
.network-card strong{color:var(--green-deep);}

/* Process */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 22px 22px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step-num{font-size:13px;font-weight:800;color:var(--green-deep);background:rgba(18,196,106,.14);border-radius:8px;padding:3px 10px;display:inline-block;margin-bottom:12px;}
.step h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);}

/* Cases */
.case-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.case-media{overflow:hidden;background:#EAF7F0;aspect-ratio:4/3;}
.case-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease;}
.case-card:hover .case-media img{transform:scale(1.05);}
.case-card figcaption{padding:16px 18px 18px;font-size:14.5px;font-weight:700;color:var(--ink);}
.case-card figcaption em{display:block;font-style:normal;font-weight:500;font-size:13.5px;color:var(--muted);margin-top:5px;}

/* Compare */
.compare-layout{display:grid;grid-template-columns:280px 1fr;gap:26px;align-items:start;}
.score-card{background:linear-gradient(160deg,#0B3A28,#0A5B3A);color:#DFF6E8;border-radius:20px;padding:28px 24px;box-shadow:0 20px 44px rgba(10,42,30,.22);}
.score-stars{font-size:20px;letter-spacing:4px;color:#B9F56B;}
.score-num{font-size:46px;font-weight:800;color:#EAFFF3;line-height:1.1;margin-top:12px;letter-spacing:-1px;}
.score-num span{font-size:17px;font-weight:600;color:#9FD9BC;margin-left:4px;}
.score-card p{font-size:14px;color:#A9DCC2;margin-top:8px;}
.score-badge{display:inline-block;margin-top:18px;font-size:13px;font-weight:700;background:rgba(185,245,107,.18);border:1px solid rgba(185,245,107,.4);color:#CFF98F;padding:6px 13px;border-radius:999px;}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);}
table.compare-table{width:100%;min-width:700px;border-collapse:collapse;font-size:14px;}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
.compare-table thead th{background:#F2FBF6;font-size:14px;font-weight:800;color:var(--ink);white-space:nowrap;}
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table tbody th{font-weight:700;color:var(--ink-2);white-space:nowrap;}
.compare-table td{color:var(--muted);}
.compare-table .col-us{background:rgba(18,196,106,.08);color:var(--green-deep);font-weight:700;}
.compare-table thead .col-us{background:rgba(18,196,106,.16);color:var(--green-deep);}
.compare-table tbody tr:hover td,.compare-table tbody tr:hover th{background:#FAFEFC;}
.compare-table tbody tr:hover .col-us{background:rgba(18,196,106,.14);}

/* Token */
.token-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;}
.token-copy h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:14px;}
.token-copy p{color:var(--ink-2);font-size:15.5px;margin-bottom:18px;}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);margin-bottom:10px;}
.check-list li::before{content:"";position:absolute;left:0;top:7px;width:15px;height:15px;border-radius:50%;background:rgba(18,196,106,.16);border:1px solid rgba(18,196,106,.4);}
.check-list li::after{content:"";position:absolute;left:5px;top:11px;width:4px;height:7px;border-right:2px solid var(--green-deep);border-bottom:2px solid var(--green-deep);transform:rotate(40deg);}
.token-copy .btn{margin-top:20px;}
.price-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;}
.price-row{display:grid;grid-template-columns:1.1fr 1fr 1.1fr;gap:10px;padding:15px 20px;border-bottom:1px solid var(--line);font-size:14px;align-items:center;}
.price-row:last-child{border-bottom:none;}
.price-row.head{background:#F2FBF6;font-weight:800;color:var(--ink);font-size:13.5px;}
.price-row .model{font-weight:700;color:var(--ink);}
.price-row .dir{color:var(--muted);}
.price-row .price{color:var(--green-deep);font-weight:700;font-size:13.5px;}

/* Reviews */
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column;height:100%;}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.review-stars{color:#F5B301;font-size:14px;letter-spacing:2px;margin-bottom:12px;}
.review-text{font-size:14.5px;color:var(--ink-2);flex:1;}
.review-user{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#2AE37F,#0A7D45);color:#fff;font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.review-user strong{display:block;font-size:14px;color:var(--ink);}
.review-user span{display:block;font-size:12.5px;color:var(--muted);}

/* Knowledge */
.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start;}
.knowledge-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.knowledge-card h3{font-size:17px;font-weight:800;margin-bottom:14px;}
.knowledge-card ul li{font-size:14px;color:var(--muted);margin-bottom:10px;padding-left:16px;position:relative;}
.knowledge-card ul li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--green);}
.knowledge-card ul li b{color:var(--ink);font-weight:700;}
.article-list li{margin-bottom:12px;}
.article-list a{font-size:14px;color:var(--ink-2);text-decoration:none;display:block;padding:10px 12px;border-radius:10px;background:#F7FCF9;border:1px solid var(--line);transition:color .2s ease,border-color .2s ease,transform .2s ease;}
.article-list a:hover{color:var(--green-deep);border-color:rgba(18,196,106,.45);transform:translateX(3px);}
.article-dynamic{margin-bottom:14px;font-size:13.5px;color:var(--muted);}

/* Form */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start;}
.lead-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:700;color:var(--ink-2);}
.field input,.field select,.field textarea{width:100%;padding:11px 14px;font-size:14.5px;font-family:inherit;color:var(--ink);background:#F8FDFA;border:1px solid var(--line);border-radius:11px;outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;}
.field input::placeholder,.field textarea::placeholder{color:#9CB3A8;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--green);background:#fff;box-shadow:0 0 0 4px rgba(18,196,106,.14);}
.field textarea{min-height:110px;resize:vertical;}
.form-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:20px;}
.form-note{font-size:13px;color:var(--muted);}
.contact-side{display:flex;flex-direction:column;gap:16px;}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow);}
.contact-card h3{font-size:16px;font-weight:800;margin-bottom:12px;}
.contact-line{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:8px 0;border-bottom:1px dashed var(--line);}
.contact-line:last-child{border-bottom:none;}
.contact-line span{color:var(--muted);}
.contact-line b{color:var(--ink);font-weight:700;text-align:right;word-break:break-all;}
.qr-box{display:flex;align-items:center;gap:14px;margin-top:6px;}
.qr-box img{width:96px;height:96px;object-fit:cover;border-radius:12px;border:1px solid var(--line);background:#F3FBF7;}

/* Partner */
.partner-wrap{background:linear-gradient(135deg,rgba(42,227,127,.14),rgba(201,249,106,.18));border:1px solid rgba(18,196,106,.28);border-radius:24px;padding:36px 32px;}
.partner-head{max-width:640px;margin-bottom:26px;}
.partner-head h2{font-size:clamp(23px,3vw,32px);font-weight:800;margin-bottom:12px;}
.partner-head p{color:var(--ink-2);font-size:15.5px;}
.partner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.partner-card{background:#fff;border:1px solid rgba(18,196,106,.24);border-radius:16px;padding:22px;box-shadow:0 8px 22px rgba(10,42,30,.06);transition:transform .25s ease,box-shadow .25s ease;}
.partner-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.partner-card h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.partner-card p{font-size:14px;color:var(--muted);}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;padding:0 20px;margin-bottom:12px;box-shadow:0 4px 14px rgba(10,42,30,.04);transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:rgba(18,196,106,.4);}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 30px 18px 0;font-weight:700;font-size:15.5px;color:var(--ink);position:relative;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:20px;font-weight:400;color:var(--green);transition:transform .25s ease;}
.faq-item[open]{box-shadow:0 10px 28px rgba(18,196,106,.12);border-color:rgba(18,196,106,.45);}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-item p{padding-bottom:18px;font-size:14.5px;color:var(--muted);}

/* Footer */
.site-footer{background:#072A1B;color:#CBEBDA;padding:52px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;align-items:start;}
.footer-brand img{width:140px;display:block;margin-bottom:14px;background:#fff;padding:8px 12px;border-radius:10px;}
.footer-brand p{font-size:14px;color:#A9CFBB;line-height:1.8;max-width:360px;}
.footer-col h4{font-size:15px;font-weight:800;color:#EAFFF3;margin-bottom:14px;}
.footer-col ul li{margin-bottom:9px;font-size:13.5px;color:#A9CFBB;}
.footer-col ul li a{color:#8DF2BE;text-decoration:none;transition:color .2s ease;}
.footer-col ul li a:hover{color:#D3FFE7;text-decoration:underline;}
.footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:#93BFA9;}
.footer-bottom a{color:#8DF2BE;text-decoration:none;}
.footer-bottom a:hover{color:#D3FFE7;text-decoration:underline;}

/* Floating tools */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;gap:10px;align-items:center;}
.float-btn{width:54px;height:54px;border-radius:50%;border:none;cursor:pointer;font-size:13px;font-weight:800;color:#04281A;background:linear-gradient(135deg,#2AE37F,#12C46A);box-shadow:0 12px 26px rgba(18,196,106,.42);display:flex;align-items:center;justify-content:center;transition:transform .2s ease,box-shadow .25s ease,opacity .2s ease;}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 18px 32px rgba(18,196,106,.5);}
.back-top{background:#fff;color:var(--ink);border:1px solid var(--line);width:44px;height:44px;font-size:18px;box-shadow:0 8px 20px rgba(10,42,30,.14);opacity:0;visibility:hidden;pointer-events:none;}
.back-top.show{opacity:1;visibility:visible;pointer-events:auto;}
.kf-panel{position:fixed;right:18px;bottom:88px;z-index:91;width:266px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 22px 50px rgba(10,42,30,.2);padding:18px;}
.kf-panel h4{font-size:15px;font-weight:800;margin-bottom:12px;color:var(--ink);}
.kf-panel .qr-box{margin-bottom:14px;}
.kf-panel .qr-box img{width:86px;height:86px;}
.kf-line{font-size:13.5px;color:var(--muted);display:flex;justify-content:space-between;gap:10px;padding:6px 0;border-bottom:1px dashed var(--line);}
.kf-line:last-child{border-bottom:none;}
.kf-line b{color:var(--ink);font-weight:700;}

/* Reveal */
html.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease;}
html.js .reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  html.js .reveal{opacity:1;transform:none;transition:none;}
  .hero::before,.hero::after{animation:none;}
  .btn,.card,.stat-card,.case-card,.studio-card,.review-card,.step,.partner-card{transition:none;}
}

/* Responsive */
@media (max-width:1080px){
  .nav-toggle{display:flex;}
  .header-inner{position:relative;}
  .nav-wrap{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:10px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 22px 44px rgba(10,42,30,.12);padding:14px 20px 20px;}
  .nav-wrap.open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;}
  .nav-links a{padding:12px 10px;font-size:15px;}
  .nav-cta{width:100%;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .about-grid{grid-template-columns:1fr;gap:28px;}
  .token-grid{grid-template-columns:1fr;gap:26px;}
  .contact-grid{grid-template-columns:1fr;gap:24px;}
  .compare-layout{grid-template-columns:1fr;gap:22px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .process-grid{grid-template-columns:repeat(2,1fr);}
  .partner-grid{grid-template-columns:1fr 1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .knowledge-grid{grid-template-columns:1fr;gap:18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:820px){
  .grid-3{grid-template-columns:1fr 1fr;}
  .studio-grid{grid-template-columns:1fr;}
  .studio-square{grid-template-columns:1fr;gap:18px;}
  .studio-square-media{max-width:320px;width:100%;}
}
@media (max-width:640px){
  .section{padding:52px 0;}
  .hero{padding:44px 0 42px;}
  .hero h1{font-size:30px;}
  .hero-desc{font-size:15.5px;}
  .grid-3,.grid-4,.grid-2,.process-grid,.partner-grid,.stats-grid{grid-template-columns:1fr;}
  .about-features{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .price-row{grid-template-columns:1fr;gap:4px;padding:14px 16px;}
  .price-row.head{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .kf-panel{width:calc(100% - 36px);right:18px;}
  .partner-wrap{padding:26px 20px;}
  .stat-num{font-size:26px;}
}