:root{
  --ink:#0e1729;
  --ink2:#3a4763;
  --muted:#68768f;
  --line:#e2e8f3;
  --bg:#f5f7fc;
  --white:#ffffff;
  --grad:linear-gradient(120deg,#0ea5e9,#6366f1 42%,#a855f7 74%,#ec4899);
  --grad-btn:linear-gradient(120deg,#2563eb,#6d28d9 55%,#be185d);
  --radius:18px;
  --shadow-sm:0 2px 10px rgba(15,23,42,.05);
  --shadow-md:0 16px 38px -20px rgba(38,56,110,.38);
  --shadow-lg:0 30px 64px -30px rgba(76,29,149,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  line-height:1.75;
  font-size:16px;
  background-color:#f5f7fc;
  background-image:
    radial-gradient(920px 520px at 6% -8%, rgba(14,165,233,.16), transparent 62%),
    radial-gradient(880px 540px at 98% 2%, rgba(236,72,153,.13), transparent 60%),
    radial-gradient(1000px 720px at 50% 112%, rgba(139,92,246,.14), transparent 66%),
    linear-gradient(180deg,#f7f9fd 0%,#f1f5fc 46%,#f7f8fd 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:.2px}
p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
section{scroll-margin-top:88px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{color:#fff;background:var(--grad-btn);box-shadow:0 12px 26px -14px rgba(76,29,149,.9)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 36px -16px rgba(76,29,149,.95)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{color:#1e293b;background:#fff;border-color:#cfd9ec;box-shadow:var(--shadow-sm)}
.btn-ghost:hover{transform:translateY(-2px);border-color:#a5b4fc;color:#3730a3;box-shadow:var(--shadow-md)}
.btn-lg{padding:14px 30px;font-size:15.5px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,252,255,.84);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(226,232,243,.9);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 30px -22px rgba(30,41,90,.6);background:rgba(252,253,255,.95)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:#0f172a;flex-shrink:0}
.brand:hover{color:#1d4ed8}
.ai-page-logo{max-height:38px;width:auto}
.brand-name{letter-spacing:.5px}
.nav{display:flex;align-items:center;gap:0;justify-content:flex-end;flex:1}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap}
.nav-links a{display:block;padding:8px 11px;font-size:14px;color:var(--ink2);border-radius:9px;transition:color .2s,background .2s}
.nav-links a:hover{color:#1d4ed8;background:rgba(99,102,241,.09)}
.nav-cta{margin-left:14px;padding:9px 20px;font-size:14px}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:18px;margin:0 auto;border-radius:2px;background:#334155;transition:transform .25s,opacity .25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{padding:64px 0 52px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.4px;
  color:#4338ca;background:rgba(99,102,241,.1);border:1px solid rgba(99,102,241,.22);
  padding:6px 15px;border-radius:999px;
}
.hero h1{
  font-size:clamp(29px,4.4vw,45px);
  margin:20px 0 18px;
  color:#0b1424;letter-spacing:.4px;font-weight:800;
}
.hero-desc{color:var(--ink2);font-size:16px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points li{
  font-size:13.5px;font-weight:600;color:#1e3a8a;
  background:#fff;border:1px solid #dbe4f5;border-radius:999px;padding:6px 15px;
  box-shadow:var(--shadow-sm);
}
.hero-panel{position:relative;display:grid;gap:14px;padding:22px;border-radius:24px;
  background:linear-gradient(160deg,rgba(255,255,255,.95),rgba(243,246,255,.9));
  border:1px solid rgba(148,163,184,.32);box-shadow:var(--shadow-lg);
}
.hero-panel::before{
  content:"";position:absolute;inset:-1px;border-radius:24px;padding:1px;
  background:var(--grad);opacity:.5;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.stat-mini{
  display:flex;align-items:center;gap:16px;padding:16px 18px;border-radius:16px;
  background:#fff;border:1px solid #e6ecf8;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stat-mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(139,92,246,.4)}
.stat-num{font-size:26px;font-weight:800;letter-spacing:.5px;color:#4338ca;min-width:74px}
.stat-label{font-size:14px;color:var(--ink2);line-height:1.5}

/* ---------- metrics bar ---------- */
.metrics{padding:6px 0 8px}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;
  box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.metric b{display:block;font-size:24px;color:#1d4ed8;line-height:1.2;margin-bottom:4px}
.metric span{font-size:13.5px;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section-tint{background:linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.72) 10%,rgba(255,255,255,.72) 90%,rgba(255,255,255,0) 100%)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(23px,3vw,31px);margin:12px 0 12px;color:#0b1424;font-weight:800}
.section-head p{color:var(--muted);font-size:15.5px}
.tag-line{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.6px;color:#0e7490;
  background:rgba(6,182,212,.12);border:1px solid rgba(6,182,212,.28);
  padding:4px 13px;border-radius:999px;
}

/* ---------- cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(139,92,246,.38)}
.card h3{font-size:17px;margin:14px 0 8px;color:#111c31}
.card p{font-size:14.5px;color:var(--ink2)}
.icon-chip{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(99,102,241,.14),rgba(236,72,153,.14));
  border:1px solid rgba(99,102,241,.2);color:#4f46e5;
}
.icon-chip svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.scene-card{position:relative;overflow:hidden;padding-top:26px}
.scene-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:.9}
.scene-card .tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.scene-card .tags span{font-size:12px;color:#475569;background:#f1f5fb;border:1px solid #e6ecf6;border-radius:999px;padding:3px 10px}

/* ---------- tag cloud ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud span{
  padding:8px 15px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--ink2);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
}
.tag-cloud span:hover{transform:translateY(-2px);border-color:rgba(99,102,241,.5);color:#4338ca;box-shadow:0 10px 22px -14px rgba(99,102,241,.85)}
.cloud-block{margin-top:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.cloud-block h3{font-size:16px;margin-bottom:14px;color:#111c31}

/* ---------- about list ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start}
.about-text p{color:var(--ink2);font-size:15.5px;margin-bottom:14px}
.check-list{display:grid;gap:12px}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--ink2)}
.check-list li::before{
  content:"";flex:0 0 auto;width:18px;height:18px;margin-top:4px;border-radius:50%;
  background:linear-gradient(135deg,#22d3ee,#6366f1);
  -webkit-mask:radial-gradient(circle at 50% 50%,transparent 3px,#000 3.6px);
  mask:radial-gradient(circle at 50% 50%,transparent 3px,#000 3.6px);
}
.panel-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}
.panel-card h3{font-size:17px;margin-bottom:16px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-num{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#fff;background:linear-gradient(135deg,#6366f1,#ec4899);margin-bottom:14px;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink2)}

/* ---------- timeline ---------- */
.timeline{display:grid;gap:14px}
.tl-item{
  display:grid;grid-template-columns:72px 1fr;gap:20px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 24px;
  box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:rgba(99,102,241,.35)}
.tl-num{font-size:22px;font-weight:800;color:#4f46e5;line-height:1.2}
.tl-item h3{font-size:16px;margin-bottom:6px}
.tl-item p{font-size:14.5px;color:var(--ink2)}

/* ---------- media ---------- */
.media-frame{
  position:relative;border-radius:16px;overflow:hidden;background:#eef2f9;
  border:1px solid var(--line);aspect-ratio:4/3;
}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.case-card:hover .media-frame img{transform:scale(1.04)}
.case-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .26s ease,box-shadow .26s ease}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.case-body{padding:18px 20px 22px}
.case-body h3{font-size:16px;margin-bottom:6px}
.case-body p{font-size:14px;color:var(--ink2)}
.gallery-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:22px}
.gallery-4 .media-frame{aspect-ratio:1/1}

/* ---------- review / score ---------- */
.score-card{
  display:grid;grid-template-columns:auto 1fr;gap:30px;align-items:center;
  background:linear-gradient(120deg,#eef4ff,#f6f0ff 52%,#fff0f7);
  border:1px solid rgba(139,92,246,.28);border-radius:22px;padding:28px 32px;margin-bottom:26px;
  box-shadow:var(--shadow-md);
}
.score-main{text-align:center}
.score-big{font-size:52px;font-weight:800;color:#4c1d95;line-height:1;letter-spacing:1px}
.score-big small{font-size:16px;font-weight:700;color:#6d28d9;margin-left:4px}
.stars{color:#f59e0b;font-size:19px;letter-spacing:3px;margin-top:8px}
.score-info h3{font-size:19px;color:#312e81;margin-bottom:8px}
.score-info p{font-size:14.5px;color:#3f3d6b}

/* ---------- table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow-sm)}
table{width:100%;border-collapse:collapse;min-width:760px;font-size:14.5px}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink2)}
thead th{background:linear-gradient(180deg,#eef2ff,#f8faff);color:#1e293b;font-weight:700;font-size:14px}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#f8faff}
td.best{color:#0f766e;font-weight:700}
td:first-child{color:#111c31;font-weight:600;white-space:nowrap}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{
  display:flex;flex-direction:column;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(14,165,233,.38)}
.review-stars{color:#f59e0b;font-size:14px;letter-spacing:2px}
.review-text{font-size:14.5px;color:var(--ink2);flex:1}
.review-user{display:flex;align-items:center;gap:10px;padding-top:14px;border-top:1px dashed #e2e8f3}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  background:linear-gradient(135deg,#6366f1,#ec4899);color:#fff;
}
.avatar svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.review-user strong{display:block;font-size:14px;color:#111c31}
.review-user em{font-style:normal;font-size:12.5px;color:var(--muted)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px;box-shadow:var(--shadow-sm);transition:border-color .22s ease,box-shadow .22s ease}
.faq-item[open]{border-color:rgba(99,102,241,.38);box-shadow:var(--shadow-md)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 0;font-weight:700;font-size:15.5px;color:#111c31;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:21px;font-weight:700;color:#6366f1;line-height:1;transition:transform .25s ease}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 0 18px;font-size:14.5px;color:var(--ink2)}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{
  display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(14,165,233,.4)}
.news-card h3{font-size:15.5px;color:#111c31}
.news-card p{font-size:14px;color:var(--ink2);flex:1}
.news-more{font-size:13.5px;font-weight:700;color:#1d4ed8}
.ai-poster-articles{margin-top:20px;background:#fff;border:1px dashed #cbd7ee;border-radius:16px;padding:18px 22px;color:var(--ink2);font-size:14.5px}

/* ---------- form ---------- */
.form-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:26px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow-md)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin:0}
.field-full{grid-column:1 / -1}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;border:1px solid #dbe4f3;border-radius:11px;
  font:inherit;font-size:14.5px;color:var(--ink);background:#fbfcff;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:118px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:#818cf8;background:#fff;box-shadow:0 0 0 3px rgba(129,140,248,.2);
}
.form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:4px}
.form-note{font-size:13px;color:var(--muted)}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow-sm)}
.contact-card h3{font-size:17px;margin-bottom:16px}
.contact-list{display:grid;gap:14px}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink2)}
.contact-list li b{color:#111c31;font-weight:700;min-width:66px;display:inline-block}
.contact-list a{color:#1d4ed8}
.contact-list a:hover{text-decoration:underline}
.qr-row{display:flex;gap:16px;align-items:center;margin-top:18px;padding-top:18px;border-top:1px dashed #e2e8f3}
.qr-box{width:130px;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#fff;flex:0 0 auto}
.qr-box img{width:100%;height:auto}
.qr-text{font-size:13.5px;color:var(--muted)}

/* ---------- join banner ---------- */
.join-banner{
  position:relative;overflow:hidden;border-radius:24px;padding:40px 38px;
  background:linear-gradient(120deg,#1e1b4b,#3730a3 46%,#831843);
  color:#f8fafc;box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
}
.join-banner::after{
  content:"";position:absolute;width:320px;height:320px;right:-90px;top:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(236,72,153,.55),transparent 68%);pointer-events:none;
}
.join-banner h2{font-size:clamp(21px,2.6vw,27px);color:#ffffff;margin-bottom:10px}
.join-banner p{font-size:14.5px;color:#dbe3f5;max-width:660px}
.join-banner .btn-primary{background:#fff;color:#1e1b4b;box-shadow:0 16px 30px -18px rgba(255,255,255,.7);white-space:nowrap}
.join-banner .btn-primary:hover{background:#eef2ff;color:#312e81}

/* ---------- footer ---------- */
.site-footer{
  background:#0d1526;color:#c3cfe3;padding:44px 0 24px;margin-top:24px;
  border-top:1px solid rgba(148,163,184,.18);
}
.footer-grid{display:grid;grid-template-columns:1.1fr 1.4fr;gap:36px;align-items:start}
.footer-brand h3{color:#ffffff;font-size:17px;margin-bottom:10px}
.footer-brand p{font-size:14px;color:#9fb0c9;margin-bottom:14px}
.footer-contact{display:grid;gap:8px;font-size:14px;color:#b6c4da}
.footer-contact a{color:#8fd0ff}
.footer-contact a:hover{color:#ffffff;text-decoration:underline}
.footer-links h4{color:#ffffff;font-size:15px;margin-bottom:14px}
.friend-links{display:flex;flex-wrap:wrap;gap:9px}
.friend-links a{
  display:inline-block;font-size:13px;color:#a9bad3;background:rgba(148,163,184,.1);
  border:1px solid rgba(148,163,184,.22);border-radius:999px;padding:5px 13px;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.friend-links a:hover{color:#ffffff;border-color:rgba(129,140,248,.7);background:rgba(99,102,241,.28);transform:translateY(-2px)}
.footer-bottom{
  margin-top:28px;padding-top:18px;border-top:1px solid rgba(148,163,184,.18);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#8ea1bd;
}
.footer-bottom a{color:#9fb0c9}
.footer-bottom a:hover{color:#ffffff;text-decoration:underline}

/* ---------- floating ---------- */
.back-top{
  position:fixed;right:22px;bottom:96px;z-index:70;width:46px;height:46px;border-radius:50%;
  border:1px solid #dbe4f3;background:#fff;color:#4338ca;cursor:pointer;display:grid;place-items:center;
  box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.back-top.is-visible{opacity:1;visibility:visible;transform:none}
.back-top svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.float-service{
  position:fixed;right:22px;bottom:30px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:999px;
  background:var(--grad-btn);color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 18px 34px -16px rgba(76,29,149,.9);
  transition:transform .22s ease,box-shadow .22s ease;
}
.float-service:hover{transform:translateY(-3px);box-shadow:0 24px 40px -16px rgba(76,29,149,.95)}
.float-service svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* ---------- reveal ---------- */
html.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .65s cubic-bezier(.2,.7,.2,1),transform .65s cubic-bezier(.2,.7,.2,1)}
html.js .reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  html.js .reveal{opacity:1;transform:none;transition:none}
  .btn,.card,.step,.tl-item,.news-card,.review-card,.case-card,.stat-mini,.metric{transition:none}
}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .nav-links a{padding:8px 7px;font-size:13px}
  .nav-cta{margin-left:8px;padding:8px 16px}
}
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero{padding:48px 0 40px}
  .grid-3,.review-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:24px}
  .form-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .gallery-4{grid-template-columns:repeat(2,1fr)}
  .join-banner{grid-template-columns:1fr;padding:32px 26px}
  .score-card{grid-template-columns:1fr;gap:18px;text-align:center;padding:26px 22px}
  .score-main{display:flex;flex-direction:column;align-items:center}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav{
    position:absolute;left:16px;right:16px;top:74px;flex-direction:column;align-items:stretch;
    background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);
    padding:10px;display:none;
  }
  .nav.is-open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;gap:2px}
  .nav-links a{padding:11px 13px;font-size:14.5px}
  .nav-cta{margin:8px 0 2px;justify-content:center}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .grid-2,.grid-3,.grid-4,.review-grid,.news-grid,.steps,.metrics-grid,.form-grid,.gallery-4{grid-template-columns:1fr}
  .tl-item{grid-template-columns:1fr;gap:6px;padding:18px 20px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .stat-mini{gap:12px;padding:14px 16px}
  .stat-num{font-size:22px;min-width:64px}
  .back-top{right:16px;bottom:90px}
  .float-service{right:16px;bottom:24px;padding:11px 16px;font-size:13.5px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}