*{margin:0;padding:0;box-sizing:border-box}
:root{
  --ink:#0f172a;
  --ink-soft:#334155;
  --muted:#64748b;
  --line:#e2e8f0;
  --bg:#f6f7fb;
  --card:#ffffff;
  --brand:#4f46e5;
  --brand-2:#0ea5e9;
  --brand-3:#ec4899;
  --glow-1:rgba(79,70,229,.18);
  --glow-2:rgba(14,165,233,.18);
  --glow-3:rgba(236,72,153,.14);
  --radius:18px;
  --shadow:0 10px 30px rgba(15,23,42,.07);
  --shadow-hover:0 18px 46px rgba(79,70,229,.16);
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1000px 600px at 85% -10%, var(--glow-2), transparent 60%),
    radial-gradient(900px 520px at 5% 10%, var(--glow-1), transparent 62%),
    radial-gradient(900px 700px at 50% 110%, var(--glow-3), transparent 60%),
    var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section{padding:76px 0}
.section-head{max-width:760px;margin:0 auto 44px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;font-weight:600;color:var(--brand);background:rgba(79,70,229,.09);padding:6px 14px;border-radius:999px;margin-bottom:16px}
h1,h2,h3,h4{line-height:1.3;letter-spacing:-.01em}
h2{font-size:clamp(24px,3.4vw,36px);margin-bottom:14px}
h3{font-size:clamp(17px,1.8vw,20px);margin-bottom:10px}
.section-head p{color:var(--muted);font-size:15.5px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;white-space:nowrap}
.btn-primary{background:linear-gradient(120deg,#4f46e5,#0ea5e9);color:#fff;box-shadow:0 10px 24px rgba(79,70,229,.28)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(79,70,229,.36)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:0 4px 14px rgba(15,23,42,.05)}
.btn-ghost:hover{transform:translateY(-3px);border-color:#c7d2fe;color:var(--brand);box-shadow:0 12px 26px rgba(79,70,229,.14)}

/* ============ NAV ============ */
header.site-header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(226,232,240,.9)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand .logo-box{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,rgba(79,70,229,.12),rgba(14,165,233,.12));display:flex;align-items:center;justify-content:center;padding:6px;border:1px solid rgba(79,70,229,.18)}
.brand .ai-page-logo{width:100%;height:100%;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16.5px;letter-spacing:.02em}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;flex-wrap:wrap}
.nav-links a{display:block;padding:8px 11px;font-size:14.5px;color:var(--ink-soft);border-radius:8px;transition:color .2s,background .2s}
.nav-links a:hover{color:var(--brand);background:rgba(79,70,229,.07)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-actions .btn{padding:10px 18px;font-size:14px}
.menu-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .25s}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-menu.open{display:block}
.mobile-menu ul{list-style:none;padding:10px 0}
.mobile-menu a{display:block;padding:12px 20px;font-size:15px;color:var(--ink-soft);border-bottom:1px solid #f1f5f9}
.mobile-menu a:hover{color:var(--brand);background:#f8fafc}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;padding:84px 0 90px}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);z-index:0;pointer-events:none}
.hero::before{width:520px;height:520px;background:radial-gradient(circle,rgba(79,70,229,.30),transparent 70%);top:-160px;right:-120px;animation:floatA 14s ease-in-out infinite}
.hero::after{width:460px;height:460px;background:radial-gradient(circle,rgba(14,165,233,.26),transparent 70%);bottom:-180px;left:-140px;animation:floatB 16s ease-in-out infinite}
@keyframes floatA{0%,100%{transform:translate(0,0)}50%{transform:translate(-30px,30px)}}
@keyframes floatB{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-24px)}}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#4338ca;background:rgba(255,255,255,.9);border:1px solid rgba(79,70,229,.22);padding:7px 15px;border-radius:999px;margin-bottom:22px;box-shadow:0 6px 18px rgba(79,70,229,.10)}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#4f46e5,#0ea5e9);display:inline-block;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(79,70,229,.5)}50%{box-shadow:0 0 0 7px rgba(79,70,229,0)}}
.hero h1{font-size:clamp(30px,5vw,50px);font-weight:800;letter-spacing:-.02em;margin-bottom:20px;color:var(--ink)}
.hero h1 .hl{background:linear-gradient(100deg,#4f46e5 0%,#0ea5e9 55%,#ec4899 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:16.5px;color:var(--ink-soft);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px}
.hero-tags span{font-size:13px;color:#475569;background:rgba(255,255,255,.85);border:1px solid var(--line);padding:6px 13px;border-radius:999px;transition:transform .2s,box-shadow .2s,color .2s}
.hero-tags span:hover{transform:translateY(-2px);color:var(--brand);box-shadow:0 8px 18px rgba(79,70,229,.14)}
.hero-panel{position:relative;background:linear-gradient(160deg,rgba(255,255,255,.96),rgba(244,247,255,.92));border:1px solid rgba(226,232,240,.95);border-radius:24px;padding:26px;box-shadow:0 24px 60px rgba(79,70,229,.14)}
.hero-panel h3{font-size:15px;color:var(--muted);font-weight:600;letter-spacing:.06em;margin-bottom:16px}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;transition:transform .25s,box-shadow .25s,border-color .25s}
.stat-item:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(79,70,229,.13);border-color:#c7d2fe}
.stat-item b{display:block;font-size:22px;font-weight:800;background:linear-gradient(120deg,#4f46e5,#0ea5e9);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.stat-item span{font-size:12.5px;color:var(--muted)}
.hero-panel .panel-note{margin-top:16px;font-size:12.5px;color:var(--muted);border-top:1px dashed var(--line);padding-top:14px}

/* ============ ABOUT ============ */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.about-copy p{color:var(--ink-soft);margin-bottom:16px;font-size:15.5px}
.about-points{list-style:none;display:grid;gap:12px;margin-top:22px}
.about-points li{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px 17px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.about-points li:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.about-points .dot{flex-shrink:0;width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,#4f46e5,#0ea5e9);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.about-points b{display:block;font-size:15px;margin-bottom:2px}
.about-points small{color:var(--muted);font-size:13.5px;line-height:1.6;display:block}
.about-aside{background:linear-gradient(160deg,#fff,#f6f8ff);border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow)}
.about-aside h3{font-size:18px;margin-bottom:14px}
.model-cloud{display:flex;flex-wrap:wrap;gap:8px}
.model-cloud span{font-size:12.5px;color:#4338ca;background:rgba(79,70,229,.08);border:1px solid rgba(79,70,229,.16);padding:5px 11px;border-radius:8px;transition:background .2s,color .2s,transform .2s}
.model-cloud span:hover{background:#4f46e5;color:#fff;transform:translateY(-2px)}
.about-aside .divider{height:1px;background:var(--line);margin:20px 0}

/* ============ SERVICE CARDS ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;position:relative;overflow:hidden}
.svc-card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,#4f46e5,#0ea5e9,#ec4899);opacity:0;transition:opacity .28s}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#c7d2fe}
.svc-card:hover::before{opacity:1}
.svc-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px;background:linear-gradient(135deg,rgba(79,70,229,.12),rgba(14,165,233,.12));color:#4338ca}
.svc-card h3{font-size:16.5px}
.svc-card p{font-size:14px;color:var(--muted)}

/* ============ FLOW ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.flow-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 20px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.flow-step:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.flow-step .num{font-size:13px;font-weight:700;color:#fff;background:linear-gradient(135deg,#4f46e5,#0ea5e9);width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.flow-step h3{font-size:16px}
.flow-step p{font-size:13.5px;color:var(--muted)}

/* ============ INDUSTRY ============ */
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ind-item{background:linear-gradient(160deg,#fff,#f7f9ff);border:1px solid var(--line);border-radius:16px;padding:20px;transition:transform .25s,box-shadow .25s,border-color .25s}
.ind-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c7d2fe}
.ind-item h3{font-size:15.5px;margin-bottom:6px}
.ind-item p{font-size:13px;color:var(--muted)}

/* ============ NETWORK ============ */
.net-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.net-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.net-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.net-card .tag{display:inline-block;font-size:12px;color:#4338ca;background:rgba(79,70,229,.09);padding:4px 10px;border-radius:8px;margin-bottom:10px;font-weight:600}
.net-card h3{font-size:16px}
.net-card p{font-size:13.5px;color:var(--muted)}

/* ============ CASES ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.case-media{aspect-ratio:16/10;background:#eef2ff;overflow:hidden}
.case-media img{width:100%;height:100%;object-fit:contain}
.case-body{padding:20px}
.case-body h3{font-size:16px;margin-bottom:8px}
.case-body p{font-size:13.5px;color:var(--muted)}
.case-square{display:grid;grid-template-columns:1fr 1.4fr;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:var(--shadow)}
.case-square .sq-media{aspect-ratio:1/1;background:#f5f7ff;border-radius:16px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.case-square .sq-media img{width:100%;height:100%;object-fit:contain}
.case-square h3{font-size:19px;margin-bottom:10px}
.case-square p{font-size:14px;color:var(--muted);margin-bottom:10px}
.case-square ul{list-style:none;display:grid;gap:8px;font-size:14px;color:var(--ink-soft)}
.case-square ul li::before{content:"◆";color:var(--brand);font-size:10px;margin-right:8px}

/* ============ COMPARE ============ */
.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}
.compare-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;padding:26px 28px;background:linear-gradient(120deg,rgba(79,70,229,.07),rgba(14,165,233,.07));border-bottom:1px solid var(--line)}
.score-box{display:flex;align-items:center;gap:18px}
.score-num{font-size:44px;font-weight:800;line-height:1;background:linear-gradient(120deg,#4f46e5,#ec4899);-webkit-background-clip:text;background-clip:text;color:transparent}
.score-meta b{display:block;font-size:15px}
.score-meta .stars{color:#f59e0b;letter-spacing:2px;font-size:16px}
.score-meta small{color:var(--muted);font-size:12.5px}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:680px}
th,td{padding:15px 18px;text-align:left;font-size:14px;border-bottom:1px solid #eef2f7}
th{background:#f8faff;font-weight:700;color:var(--ink);font-size:13.5px}
td:first-child{font-weight:600;color:var(--ink)}
tr:last-child td{border-bottom:none}
tbody tr{transition:background .2s}
tbody tr:hover{background:#f8faff}
.badge-yes{color:#047857;font-weight:600}
.badge-strong{display:inline-block;font-size:12px;color:#fff;background:linear-gradient(120deg,#4f46e5,#0ea5e9);padding:3px 10px;border-radius:999px;font-weight:600}

/* ============ TOKEN ============ */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.token-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.token-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.token-card .model{font-size:15px;font-weight:700;margin-bottom:6px}
.token-card .price{font-size:22px;font-weight:800;color:var(--brand);margin:8px 0 4px}
.token-card .price small{font-size:12px;color:var(--muted);font-weight:500}
.token-card p{font-size:13px;color:var(--muted)}
.token-note{margin-top:18px;font-size:13px;color:var(--muted);text-align:center}

/* ============ REVIEWS ============ */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow);transition:transform .28s,box-shadow .28s;display:flex;flex-direction:column;gap:12px}
.review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.review-stars{color:#f59e0b;letter-spacing:2px;font-size:14px}
.review-card p{font-size:14px;color:var(--ink-soft);flex:1}
.review-user{display:flex;align-items:center;gap:12px;border-top:1px solid #f1f5f9;padding-top:14px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#4f46e5,#0ea5e9);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex-shrink:0}
.review-user b{display:block;font-size:14px}
.review-user small{color:var(--muted);font-size:12.5px}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .25s,border-color .25s}
.faq-item.open{border-color:#c7d2fe;box-shadow:0 12px 30px rgba(79,70,229,.11)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:none;border:none;text-align:left;font-size:15px;font-weight:600;color:var(--ink);cursor:pointer;font-family:inherit}
.faq-q:hover{color:var(--brand)}
.faq-q .ic{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:rgba(79,70,229,.09);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:15px;transition:transform .3s,background .3s}
.faq-item.open .faq-q .ic{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.75}

/* ============ FORM ============ */
.form-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:start}
.form-info{background:linear-gradient(165deg,#111a3a,#1e2a5a);color:#e8edff;border-radius:22px;padding:32px;box-shadow:0 24px 60px rgba(15,23,42,.22)}
.form-info h2{color:#fff;font-size:24px;margin-bottom:12px}
.form-info p{font-size:14px;color:#b9c4e6;margin-bottom:22px}
.info-list{list-style:none;display:grid;gap:14px}
.info-list li{display:flex;gap:12px;align-items:flex-start;font-size:13.5px;color:#cfd8f5}
.info-list .k{flex-shrink:0;width:26px;height:26px;border-radius:8px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;font-size:13px}
.info-list b{color:#fff;display:block;font-size:14px;margin-bottom:2px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-soft)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid #dbe3ee;border-radius:10px;font-size:14px;font-family:inherit;color:var(--ink);background:#fbfcff;transition:border-color .2s,box-shadow .2s,background .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#818cf8;background:#fff;box-shadow:0 0 0 4px rgba(79,70,229,.10)}
.field textarea{resize:vertical;min-height:110px}
.form-submit{margin-top:20px;width:100%}
.form-tip{margin-top:12px;font-size:12.5px;color:var(--muted);text-align:center}

/* ============ ARTICLES ============ */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column;gap:10px}
.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.article-card .cat{font-size:12px;color:#4338ca;font-weight:600;background:rgba(79,70,229,.08);padding:3px 10px;border-radius:6px;align-self:flex-start}
.article-card h3{font-size:15.5px}
.article-card p{font-size:13.5px;color:var(--muted);flex:1}
.article-card .more{font-size:13.5px;font-weight:600;color:var(--brand)}

/* ============ LINKS ============ */
.link-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.link-cloud a{font-size:13.5px;color:var(--ink-soft);background:#fff;border:1px solid var(--line);padding:8px 16px;border-radius:999px;transition:transform .2s,color .2s,border-color .2s,box-shadow .2s}
.link-cloud a:hover{transform:translateY(-2px);color:var(--brand);border-color:#c7d2fe;box-shadow:0 8px 20px rgba(79,70,229,.12)}

/* ============ CTA STRIP ============ */
.cta-strip{background:linear-gradient(120deg,#4f46e5,#0ea5e9 60%,#ec4899);border-radius:24px;padding:44px 36px;color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;box-shadow:0 26px 60px rgba(79,70,229,.32);position:relative;overflow:hidden}
.cta-strip::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.14);top:-140px;right:-80px}
.cta-strip h2{color:#fff;font-size:clamp(21px,3vw,29px);margin-bottom:8px;position:relative}
.cta-strip p{color:rgba(255,255,255,.9);font-size:14.5px;position:relative}
.cta-strip .btn{background:#fff;color:#4338ca;position:relative;box-shadow:0 10px 26px rgba(15,23,42,.18)}
.cta-strip .btn:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(15,23,42,.26)}

/* ============ FOOTER ============ */
footer.site-footer{background:#0f172a;color:#c3cde3;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .logo-box{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;padding:6px}
.footer-brand .ai-page-logo{width:100%;height:100%;object-fit:contain}
.footer-brand strong{color:#fff;font-size:16px}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:14px;font-weight:700}
.footer-col ul{list-style:none;display:grid;gap:9px}
.footer-col a{font-size:13.5px;color:#a9b6d4;transition:color .2s}
.footer-col a:hover{color:#7dd3fc}
.footer-desc{font-size:13.5px;color:#94a3b8;line-height:1.75;margin-bottom:16px}
.footer-contact{display:grid;gap:7px;font-size:13.5px;color:#a9b6d4}
.footer-contact b{color:#fff;font-weight:600}
.footer-qr{display:flex;align-items:center;gap:14px;margin-top:16px}
.footer-qr img{width:88px;height:88px;border-radius:10px;background:#fff;padding:5px;object-fit:contain}
.footer-qr small{font-size:12.5px;color:#94a3b8;display:block;line-height:1.6}
.footer-bottom{padding-top:22px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:#8393b3}
.footer-bottom a{color:#a9b6d4}
.footer-bottom a:hover{color:#7dd3fc}

/* ============ FLOAT ============ */
.float-cs{position:fixed;right:22px;bottom:24px;z-index:120;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.cs-btn{width:52px;height:52px;border-radius:16px;border:none;background:linear-gradient(135deg,#4f46e5,#0ea5e9);color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 12px 28px rgba(79,70,229,.4);transition:transform .25s,box-shadow .25s}
.cs-btn:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 18px 36px rgba(79,70,229,.5)}
.cs-panel{display:none;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 24px 60px rgba(15,23,42,.18);width:220px;text-align:center}
.cs-panel.show{display:block;animation:fadeUp .3s ease}
.cs-panel img{width:150px;height:150px;object-fit:contain;margin:0 auto 10px;border-radius:10px}
.cs-panel b{display:block;font-size:14px;margin-bottom:6px;color:var(--ink)}
.cs-panel p{font-size:12.5px;color:var(--muted);line-height:1.6}
.to-top{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:17px;cursor:pointer;box-shadow:var(--shadow);transition:transform .25s,color .25s,opacity .3s;opacity:0;pointer-events:none}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-3px);color:var(--brand)}

/* ============ ANIM ============ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.visible{opacity:1;transform:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ============ RESP ============ */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-panel{max-width:560px}
  .about-grid{grid-template-columns:1fr}
  .card-grid,.ind-grid,.case-grid,.review-grid,.token-grid,.article-grid{grid-template-columns:repeat(2,1fr)}
  .net-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .form-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-actions .btn-ghost{display:none}
  .menu-toggle{display:flex}
}
@media(max-width:720px){
  section{padding:56px 0}
  .nav-actions .btn-primary{display:none}
  .hero{padding:56px 0 64px}
  .card-grid,.ind-grid,.case-grid,.review-grid,.token-grid,.article-grid,.net-grid,.flow{grid-template-columns:1fr}
  .case-square{grid-template-columns:1fr;padding:20px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-strip{padding:32px 24px;flex-direction:column;align-items:flex-start}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  th,td{padding:12px 14px;font-size:13px}
  .float-cs{right:14px;bottom:16px}
  .hero-actions .btn{width:100%}
}