*,*::before,*::after{box-sizing:border-box}
:root{
  --ink:#14161f;
  --ink2:#2b3040;
  --muted:#5c6376;
  --line:rgba(20,22,31,.09);
  --violet:#6a4bff;
  --blue:#2b9bff;
  --teal:#19c3a0;
  --amber:#ff8a3d;
  --pink:#ff5f8f;
  --r:18px;
  --sh1:0 2px 10px rgba(28,32,54,.06);
  --sh2:0 16px 36px rgba(28,32,54,.10);
  --sh3:0 26px 60px rgba(28,32,54,.14);
}
html{scroll-behavior:smooth;scroll-padding-top:92px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.72;
  color:var(--ink);
  background-color:#fbfaff;
  background-image:
    radial-gradient(720px 480px at 8% 2%, rgba(106,75,255,.16), transparent 68%),
    radial-gradient(680px 460px at 94% 6%, rgba(43,155,255,.16), transparent 68%),
    radial-gradient(760px 520px at 50% 100%, rgba(255,138,61,.11), transparent 70%),
    linear-gradient(180deg,#f8f6ff 0%,#f3f8ff 32%,#f5fbf8 62%,#fff9f4 100%);
  background-attachment:fixed;
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1180px;margin-left:auto;margin-right:auto;padding-left:clamp(16px,4vw,32px);padding-right:clamp(16px,4vw,32px)}
.topbar{height:4px;background:linear-gradient(90deg,#6a4bff,#2b9bff,#19c3a0,#ffd23f,#ff8a3d,#ff5f8f)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);border-bottom:1px solid transparent;backdrop-filter:saturate(150%) blur(14px);-webkit-backdrop-filter:saturate(150%) blur(14px);transition:box-shadow .3s,border-color .3s}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 10px 28px rgba(28,32,54,.08)}
.header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ai-page-logo{width:auto;max-height:38px;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16.5px;color:var(--ink);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:.06em}
.primary-nav{display:flex;align-items:center;gap:14px}
.nav-links{display:flex;align-items:center;justify-content:center;gap:0;margin:0;padding:0;list-style:none}
.nav-links a{display:block;padding:9px 11px;font-size:14px;font-weight:500;color:var(--ink2);border-radius:9px;transition:color .24s,background .24s,transform .24s}
.nav-links a:hover{color:#5b45f5;background:rgba(106,75,255,.09);transform:translateY(-1px)}
.nav-cta{padding:10px 20px;font-size:14px;flex-shrink:0}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink2);transition:transform .28s,opacity .28s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .26s cubic-bezier(.2,.7,.3,1),box-shadow .26s,background .26s,color .26s,border-color .26s;white-space:nowrap}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{color:#fff;background:linear-gradient(118deg,#6a4bff 0%,#2b9bff 56%,#19c3a0 100%);box-shadow:0 10px 26px rgba(78,86,255,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(78,86,255,.38)}
.btn-line{color:#3b2ecb;background:#fff;border-color:rgba(106,75,255,.32);box-shadow:var(--sh1)}
.btn-line:hover{transform:translateY(-2px);border-color:rgba(106,75,255,.62);box-shadow:0 12px 26px rgba(106,75,255,.18)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(44px,6.4vw,82px) 0 clamp(34px,4.6vw,58px)}
.hero .container{position:relative;z-index:2}
.hero-deco{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.hero-deco span{position:absolute;border-radius:50%;filter:blur(46px);opacity:.6}
.hero-deco span:nth-child(1){width:320px;height:320px;background:rgba(106,75,255,.34);top:-110px;left:-70px;animation:drift 17s ease-in-out infinite}
.hero-deco span:nth-child(2){width:280px;height:280px;background:rgba(43,155,255,.32);top:30px;right:-80px;animation:drift 21s ease-in-out infinite reverse}
.hero-deco span:nth-child(3){width:250px;height:250px;background:rgba(255,138,61,.26);bottom:-120px;left:42%;animation:drift 19s ease-in-out infinite}
@keyframes drift{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(20px,-24px,0)}}
.hero-box{max-width:840px;margin:0 auto;text-align:center;animation:rise .8s cubic-bezier(.2,.7,.3,1) both}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(255,255,255,.9);border:1px solid rgba(106,75,255,.22);font-size:13px;font-weight:600;color:#4a36c9;box-shadow:var(--sh1)}
.hero-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#6a4bff,#19c3a0)}
.hero h1{margin:22px 0 16px;font-size:clamp(28px,4.6vw,50px);font-weight:800;color:#12141d;letter-spacing:-.02em}
.hero-lead{max-width:700px;margin:0 auto;font-size:clamp(15px,1.7vw,17.5px);color:var(--muted);line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:28px}
.hero-actions .btn{padding:14px 32px;font-size:15.5px}
.hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px}
.hero-chips li{font-size:13px;color:#3d4358;background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:999px;padding:6px 15px}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:clamp(36px,5vw,58px)}
.metric{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 20px 18px;box-shadow:var(--sh1);overflow:hidden;transition:transform .3s,box-shadow .3s}
.metric::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--accent,#6a4bff);opacity:.9}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.metric-label{display:block;font-size:12.5px;font-weight:600;letter-spacing:.08em;color:var(--muted)}
.metric strong{display:block;margin:6px 0 6px;font-size:19px;color:var(--ink);font-weight:800}
.metric p{font-size:13px;color:var(--muted);line-height:1.65}

/* ---------- section ---------- */
.section{padding:clamp(44px,5.6vw,78px) 0}
.section-head{max-width:780px;margin-bottom:clamp(22px,3vw,38px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.16em;color:#5443e0}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,#6a4bff,#2b9bff)}
.section-title{margin:12px 0 12px;font-size:clamp(22px,3.1vw,34px);font-weight:800;color:#12141d}
.section-desc{font-size:clamp(14.5px,1.6vw,16px);color:var(--muted);line-height:1.85}

/* ---------- cards & grids ---------- */
.grid{display:grid;gap:18px}
.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:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--sh1);transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(106,75,255,.22)}
.card h3{font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:8px}
.card p{font-size:14px;color:var(--muted);line-height:1.75}

.feature-card{position:relative;padding-left:22px;overflow:hidden}
.feature-card::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;background:var(--accent,#6a4bff)}

.svc-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--sh1);overflow:hidden;transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s,border-color .3s}
.svc-card::after{content:"";position:absolute;right:-30px;top:-30px;width:88px;height:88px;border-radius:50%;background:var(--accent,#6a4bff);opacity:.10;transition:transform .35s,opacity .35s}
.svc-card:hover{transform:translateY(-5px);box-shadow:var(--sh2);border-color:rgba(106,75,255,.2)}
.svc-card:hover::after{transform:scale(1.25);opacity:.16}
.svc-card h3{position:relative;font-size:16px;font-weight:700;color:var(--ink);margin-bottom:8px}
.svc-card p{position:relative;font-size:13.6px;color:var(--muted);line-height:1.72}

.tagcloud{margin-top:26px;background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;box-shadow:var(--sh1)}
.tagcloud-title{display:block;font-size:13px;font-weight:700;color:#4a36c9;letter-spacing:.1em;margin-bottom:12px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags li{font-size:12.8px;color:#3d4358;background:linear-gradient(135deg,rgba(106,75,255,.09),rgba(43,155,255,.09));border:1px solid rgba(106,75,255,.16);border-radius:999px;padding:5px 13px;transition:transform .25s,background .25s,color .25s}
.tags li:hover{transform:translateY(-2px);background:linear-gradient(135deg,rgba(106,75,255,.18),rgba(25,195,160,.16));color:#3b2ecb}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 16px;box-shadow:var(--sh1);transition:transform .3s,box-shadow .3s}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;font-size:13px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--accent,#6a4bff),rgba(43,155,255,.9));margin-bottom:12px}
.step h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:6px}
.step p{font-size:13.2px;color:var(--muted);line-height:1.7}

/* ---------- industry ---------- */
.industry{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--sh1);transition:transform .3s,box-shadow .3s,border-color .3s}
.industry:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(106,75,255,.2)}
.industry-dot{flex:none;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--accent,#6a4bff),rgba(43,155,255,.75));box-shadow:0 8px 18px rgba(78,86,255,.22)}
.industry h3{font-size:15.5px;font-weight:700;margin-bottom:6px;color:var(--ink)}
.industry p{font-size:13.4px;color:var(--muted);line-height:1.7}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh1);transition:transform .32s cubic-bezier(.2,.7,.3,1),box-shadow .32s}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--sh2)}
.case-media{position:relative;width:100%;aspect-ratio:16/11;background:#f2f3f9;overflow:hidden}
.case-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.case-card:hover .case-media img{transform:scale(1.04)}
.case-card figcaption{padding:16px 18px 18px}
.case-tag{display:inline-block;font-size:12px;font-weight:700;color:#3b2ecb;background:rgba(106,75,255,.1);border-radius:999px;padding:3px 11px;margin-bottom:8px}
.case-card h3{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:6px}
.case-card p{font-size:13.3px;color:var(--muted);line-height:1.7}

/* ---------- review ---------- */
.review-top{display:grid;grid-template-columns:280px 1fr;gap:18px;margin-bottom:22px}
.score-card{background:linear-gradient(150deg,#ffffff 0%,#f6f4ff 100%);border:1px solid rgba(106,75,255,.22);border-radius:var(--r);padding:24px;text-align:center;box-shadow:var(--sh2)}
.stars{font-size:20px;letter-spacing:4px;color:#ffb020;line-height:1}
.score-num{display:flex;align-items:baseline;justify-content:center;gap:4px;margin:12px 0 2px}
.score-num strong{font-size:46px;font-weight:800;color:#3b2ecb;line-height:1}
.score-num span{font-size:15px;color:var(--muted);font-weight:600}
.score-card p{font-size:13px;color:var(--muted)}
.review-points{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--sh1)}
.review-points h3{font-size:16.5px;font-weight:700;margin-bottom:14px}
.point-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 18px}
.point-list li{position:relative;padding-left:20px;font-size:13.8px;color:var(--ink2);line-height:1.7}
.point-list li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;background:linear-gradient(135deg,#6a4bff,#19c3a0)}

.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh1);-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:760px}
thead th{background:#f6f5ff;color:#3b2ecb;font-size:13.6px;font-weight:700;text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
tbody td{font-size:13.6px;color:var(--ink2);padding:13px 16px;border-bottom:1px solid rgba(20,22,31,.06);line-height:1.6}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:#fbfaff}
td.hl{color:#3b2ecb;font-weight:600;background:rgba(106,75,255,.05)}
th.hl{background:rgba(106,75,255,.12)}

/* ---------- token ---------- */
.token-note{margin-top:16px;font-size:13px;color:var(--muted);line-height:1.8}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.t-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--sh1);display:flex;flex-direction:column;gap:12px;transition:transform .3s,box-shadow .3s}
.t-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.t-head{display:flex;align-items:center;gap:10px}
.t-avatar{width:38px;height:38px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--accent,#6a4bff),rgba(43,155,255,.8))}
.t-name{font-size:14.5px;font-weight:700;color:var(--ink);line-height:1.3}
.t-role{font-size:12.3px;color:var(--muted)}
.t-body{font-size:13.7px;color:var(--ink2);line-height:1.78}
.t-stars{font-size:13px;letter-spacing:2px;color:#ffb020}

/* ---------- knowledge ---------- */
.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.k-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--sh1);transition:transform .3s,box-shadow .3s}
.k-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.k-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.k-card h3::before{content:"";width:6px;height:18px;border-radius:3px;background:linear-gradient(180deg,#6a4bff,#19c3a0)}
.k-list li + li{margin-top:10px}
.k-list a{font-size:13.7px;color:var(--ink2);display:inline-flex;align-items:center;gap:6px;transition:color .25s,transform .25s}
.k-list a::before{content:"";width:5px;height:5px;border-radius:50%;background:rgba(106,75,255,.55);flex:none}
.k-list a:hover{color:#3b2ecb;transform:translateX(3px)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh1);overflow:hidden;transition:border-color .3s,box-shadow .3s}
.faq-item.open{border-color:rgba(106,75,255,.32);box-shadow:0 14px 32px rgba(78,86,255,.12)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;background:none;border:0;padding:17px 20px;font-size:15px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer;font-family:inherit;transition:color .25s}
.faq-q:hover{color:#3b2ecb}
.faq-icon{flex:none;width:22px;height:22px;border-radius:50%;background:rgba(106,75,255,.1);color:#3b2ecb;font-size:15px;line-height:22px;text-align:center;transition:transform .3s,background .3s}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(106,75,255,.2)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s cubic-bezier(.2,.7,.3,1)}
.faq-a p{padding:0 20px 18px;font-size:14px;color:var(--muted);line-height:1.82}

/* ---------- form ---------- */
.match-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:20px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,3vw,30px);box-shadow:var(--sh2)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink2)}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:14px;color:var(--ink);background:#fbfaff;border:1px solid var(--line);border-radius:11px;padding:12px 14px;transition:border-color .25s,box-shadow .25s,background .25s;outline:none}
.field textarea{resize:vertical;min-height:110px;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(106,75,255,.65);background:#fff;box-shadow:0 0 0 4px rgba(106,75,255,.11)}
.field input::placeholder,.field textarea::placeholder{color:#9aa0b2}
.form-card .btn{width:100%;margin-top:4px}
.form-tip{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}
.side-stack{display:grid;gap:16px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--sh1)}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:12px;color:var(--ink)}
.side-list li{position:relative;padding-left:18px;font-size:13.6px;color:var(--ink2);line-height:1.72}
.side-list li + li{margin-top:9px}
.side-list li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:2px;background:linear-gradient(135deg,#6a4bff,#19c3a0)}
.agency-card{background:linear-gradient(155deg,#f7f5ff 0%,#f2fbf8 100%);border:1px solid rgba(106,75,255,.22)}
.agency-card p{font-size:13.6px;color:var(--ink2);line-height:1.78;margin-bottom:14px}
.agency-card .btn{width:100%}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 300px;gap:20px;align-items:start}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,3vw,30px);box-shadow:var(--sh1)}
.contact-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 20px}
.contact-list li{display:flex;flex-direction:column;gap:3px;font-size:13.6px;color:var(--ink2);line-height:1.6}
.contact-list span{font-size:12.4px;color:var(--muted);letter-spacing:.04em}
.contact-list a{color:#3b2ecb;font-weight:600;transition:color .25s}
.contact-list a:hover{color:#6a4bff}
.qr-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;text-align:center;box-shadow:var(--sh1)}
.qr-media{width:100%;aspect-ratio:1/1;border-radius:14px;overflow:hidden;background:#f5f6fb;display:flex;align-items:center;justify-content:center}
.qr-media img{width:100%;height:100%;object-fit:contain;display:block}
.qr-card p{margin-top:12px;font-size:13.4px;color:var(--muted)}

/* ---------- footer ---------- */
.site-footer{margin-top:clamp(30px,4vw,50px);background:#f6f5fd;border-top:1px solid var(--line);color:#2b3040}
.footer-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:28px;padding:clamp(28px,4vw,44px) 0 22px}
.footer-brand{display:flex;flex-direction:column;gap:10px}
.footer-brand .brand-text strong{font-size:17px}
.footer-brand p{font-size:13.4px;color:#5c6376;line-height:1.78}
.footer-brand a.mail{color:#3b2ecb;font-weight:600;font-size:13.6px}
.footer-links h3{font-size:14px;font-weight:700;color:#2b3040;margin-bottom:12px}
.link-grid{display:flex;flex-wrap:wrap;gap:8px 18px}
.link-grid a{font-size:13px;color:#4e566c;transition:color .25s}
.link-grid a:hover{color:#3b2ecb}
.footer-bar{border-top:1px solid rgba(20,22,31,.08);padding:16px 0 22px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;font-size:12.8px;color:#5c6376}
.footer-bar .ai-page-home-link{color:#3b2ecb;font-weight:600}

/* ---------- float tools ---------- */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:70;display:flex;flex-direction:column;gap:10px}
.float-btn{width:48px;height:48px;border-radius:50%;border:1px solid rgba(106,75,255,.24);background:#fff;color:#3b2ecb;font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh2);cursor:pointer;transition:transform .26s,box-shadow .26s,background .26s;font-family:inherit}
.float-btn:hover{transform:translateY(-3px);box-shadow:var(--sh3);background:#f7f5ff}
#backTop{font-size:18px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .62s cubic-bezier(.2,.7,.3,1),transform .62s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .nav-toggle{display:flex}
  .primary-nav{position:absolute;left:0;right:0;top:calc(100% + 1px);display:none;flex-direction:column;align-items:stretch;gap:0;padding:12px 18px 20px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:0 22px 40px rgba(28,32,54,.14);max-height:calc(100vh - 90px);overflow-y:auto}
  .primary-nav.open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;width:100%}
  .nav-links a{padding:12px 8px;font-size:15px;border-bottom:1px solid rgba(20,22,31,.06);border-radius:0}
  .nav-cta{margin-top:14px;width:100%}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-4,.review-grid,.knowledge-grid,.case-grid,.case-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .review-top{grid-template-columns:1fr}
  .match-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .qr-card{max-width:320px}
}
@media (max-width:640px){
  .grid-2,.grid-3,.grid-4,.review-grid,.knowledge-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .point-list{grid-template-columns:1fr}
  .contact-list{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .float-tools{right:12px;bottom:16px}
  .float-btn{width:44px;height:44px;font-size:12px}
  .brand-text em{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}