:root{
  --ink:#141d3d;
  --ink-2:#3a4568;
  --muted:#5f6a8a;
  --line:rgba(20,29,61,.09);
  --brand:#5b4bff;
  --brand-2:#00b6d4;
  --accent:#ff6b4a;
  --radius:18px;
  --shadow-sm:0 6px 18px rgba(30,40,90,.06);
  --shadow-md:0 18px 44px rgba(30,40,90,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background-color:#f7f8ff;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(760px 460px at 8% -6%,rgba(122,104,255,.20),transparent 62%),
    radial-gradient(720px 460px at 96% 4%,rgba(0,201,214,.18),transparent 60%),
    radial-gradient(700px 520px at 50% 52%,rgba(255,163,120,.12),transparent 62%),
    radial-gradient(680px 420px at 12% 96%,rgba(120,220,190,.14),transparent 62%),
    linear-gradient(180deg,#fbfbff 0%,#f5f7ff 45%,#fdf8fb 100%);
}
img{max-width:100%}
a{color:var(--brand);text-decoration:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.35;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section[id]{scroll-margin-top:86px}

/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:68px;
  position:relative;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ai-page-logo{max-height:40px;width:auto;display:block}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.02em;color:var(--ink);white-space:nowrap}
.nav{display:flex;align-items:center;gap:14px}
.nav-links{display:flex;align-items:center;margin:0;padding:0;gap:0}
.nav-links a{
  display:block;
  padding:8px 11px;
  border-radius:10px;
  font-size:14px;
  color:var(--ink-2);
  white-space:nowrap;
  transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--brand);background:rgba(91,75,255,.08)}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:42px;
  height:42px;
  padding:0 10px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);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)}

/* 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;
  font-family:inherit;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease;
}
.btn-primary{
  background:linear-gradient(120deg,#6a5cff 0%,#3f7bff 52%,#00b6d4 100%);
  color:#fff;
  box-shadow:0 12px 26px rgba(80,80,220,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(80,80,220,.34)}
.btn-ghost{
  background:#fff;
  color:var(--ink);
  border-color:rgba(20,29,61,.14);
  box-shadow:0 6px 16px rgba(20,29,61,.06);
}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(20,29,61,.12);border-color:rgba(91,75,255,.3)}
.btn:active{transform:translateY(0) scale(.99)}
.btn-sm{padding:9px 18px;font-size:14px}

/* hero */
.hero{
  padding:64px 0 36px;
  background:
    radial-gradient(620px 320px at 88% 6%,rgba(0,182,212,.16),transparent 70%),
    radial-gradient(520px 300px at 4% 92%,rgba(122,104,255,.14),transparent 70%);
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:#4437cf;
  background:rgba(91,75,255,.10);
  border:1px solid rgba(91,75,255,.20);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,4.6vw,50px);
  line-height:1.22;
  letter-spacing:-.5px;
  margin-bottom:18px;
}
.hero-sub{font-size:16px;color:var(--ink-2);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-points li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  color:var(--muted);
}
.hero-points li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:9px;
  height:9px;
  border-radius:50%;
  background:linear-gradient(135deg,#6a5cff,#00d4e0);
}
.hero-panel{
  background:linear-gradient(160deg,rgba(255,255,255,.96),rgba(240,244,255,.94));
  border:1px solid rgba(91,75,255,.16);
  border-radius:26px;
  padding:26px;
  box-shadow:0 26px 64px rgba(46,58,120,.16);
}
.panel-title{font-size:14px;font-weight:700;color:var(--ink-2);margin-bottom:14px;letter-spacing:.02em}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  padding:7px 13px;
  border-radius:999px;
  background:#fff;
  border:1px solid rgba(20,29,61,.10);
  font-size:13px;
  color:var(--ink-2);
  box-shadow:0 4px 10px rgba(20,29,61,.05);
}
.panel-divider{height:1px;background:var(--line);margin:18px 0}
.panel-foot{display:flex;flex-wrap:wrap;gap:8px}
.panel-foot span{
  font-size:12.5px;
  color:#4437cf;
  background:rgba(91,75,255,.09);
  border-radius:8px;
  padding:5px 10px;
}

/* metrics */
.metrics{padding:10px 0 0}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  background:linear-gradient(120deg,rgba(255,255,255,.96),rgba(246,248,255,.96));
  border:1px solid var(--line);
  border-radius:24px;
  padding:26px 18px;
  box-shadow:var(--shadow-sm);
}
.metric{text-align:center;padding:4px}
.metric strong{display:block;font-size:clamp(23px,2.8vw,31px);color:#4034cc;font-weight:800;letter-spacing:-.5px}
.metric span{display:block;font-size:13.5px;color:var(--muted);margin-top:4px}

/* sections */
.section{padding:72px 0}
.section-head{max-width:780px;margin-bottom:34px}
.section-title{font-size:clamp(23px,3.2vw,33px);letter-spacing:-.4px;margin-bottom:12px}
.section-desc{color:var(--muted);font-size:15.5px}
.section-tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.08em;
  color:#0f8ea3;
  background:rgba(0,182,212,.12);
  border:1px solid rgba(0,182,212,.24);
  border-radius:8px;
  padding:4px 10px;
  margin-bottom:14px;
}

/* grids & cards */
.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(--radius);
  padding:24px 22px;
  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(91,75,255,.24)}
.card::before{
  content:"";
  display:block;
  width:38px;
  height:4px;
  border-radius:99px;
  background:linear-gradient(90deg,#6a5cff,#00d4e0);
  margin-bottom:16px;
}
.card h3{font-size:17px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--muted)}

/* tags */
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  padding:8px 15px;
  border-radius:999px;
  background:#fff;
  border:1px solid rgba(20,29,61,.10);
  font-size:14px;
  color:var(--ink-2);
  box-shadow:0 4px 12px rgba(20,29,61,.05);
  transition:transform .2s,border-color .2s,color .2s;
}
.tag:hover{transform:translateY(-2px);border-color:rgba(91,75,255,.38);color:#4034cc}
.tag-cloud-box{
  background:linear-gradient(140deg,rgba(255,255,255,.96),rgba(244,247,255,.96));
  border:1px solid var(--line);
  border-radius:22px;
  padding:28px 24px;
  box-shadow:var(--shadow-sm);
}
.tag-cloud-box h3{font-size:17px;margin-bottom:8px}
.tag-cloud-box p{font-size:14px;color:var(--muted);margin-bottom:18px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 20px;
  box-shadow:var(--shadow-sm);
  transition:transform .26s,box-shadow .26s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-num{
  display:inline-block;
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
  color:#4034cc;
  background:rgba(91,75,255,.10);
  border-radius:8px;
  padding:3px 9px;
  margin-bottom:12px;
}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted)}

/* cases */
.case-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .26s,box-shadow .26s;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.case-media{
  aspect-ratio:4/3;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:12px;
  background:linear-gradient(135deg,#eef1ff,#e7fbff);
}
.case-media img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;display:block;border-radius:10px}
.case-body{padding:16px 18px 20px}
.case-body h3{font-size:16px;margin-bottom:6px}
.case-body p{font-size:14px;color:var(--muted)}

/* review / rating */
.review-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:26px;align-items:start}
.rating-card{
  background:linear-gradient(150deg,#ffffff,#f3f5ff);
  border:1px solid rgba(91,75,255,.20);
  border-radius:22px;
  padding:30px 26px;
  text-align:center;
  box-shadow:var(--shadow-md);
}
.rating-score{font-size:52px;font-weight:800;color:#4034cc;line-height:1;letter-spacing:-2px}
.rating-score span{font-size:18px;color:var(--muted);font-weight:600;letter-spacing:0}
.stars{font-size:22px;color:#f5a524;letter-spacing:4px;margin:12px 0 6px}
.rating-card p{font-size:14px;color:var(--muted)}
.rating-card strong{display:block;font-size:15px;color:var(--ink);margin-top:10px}

/* table */
.table-wrap{
  overflow-x:auto;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow-sm);
  -webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:660px}
th,td{padding:14px 16px;text-align:left;font-size:14.5px;border-bottom:1px solid rgba(20,29,61,.07);vertical-align:top}
th{background:rgba(91,75,255,.07);color:var(--ink);font-weight:700;white-space:nowrap}
td{color:var(--ink-2)}
td:first-child{font-weight:600;color:var(--ink)}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(91,75,255,.04)}
.table-note{font-size:13px;color:var(--muted);margin-top:12px}

/* reviews */
.review{
  display:flex;
  flex-direction:column;
  gap:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow-sm);
  transition:transform .26s,box-shadow .26s;
}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.review .stars-line{font-size:14px;color:#f5a524;letter-spacing:2px}
.review .quote{font-size:14.5px;color:var(--ink-2)}
.review .who{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:6px}
.avatar{
  width:38px;
  height:38px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:700;
  color:#fff;
  background:linear-gradient(135deg,#6a5cff,#00b6d4);
  flex-shrink:0;
}
.who-name{font-size:14px;font-weight:700;color:var(--ink);line-height:1.4}
.who-role{font-size:12.5px;color:var(--muted);line-height:1.4}

/* faq */
.faq-list{display:grid;gap:10px}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:0 20px;
  box-shadow:var(--shadow-sm);
  transition:border-color .2s,box-shadow .2s;
}
.faq-item:hover{border-color:rgba(91,75,255,.28)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  position:relative;
  padding:16px 34px 16px 0;
  font-size:15.5px;
  font-weight:600;
  color:var(--ink);
}
.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:700;
  color:#5b4bff;
  transition:transform .22s;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 0 18px;font-size:14.5px;color:var(--muted);animation:faqIn .25s ease}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* wiki */
.wiki-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px;
  box-shadow:var(--shadow-sm);
  transition:transform .24s,box-shadow .24s;
}
.wiki-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.wiki-card h3{font-size:15.5px;margin-bottom:6px;color:#4034cc}
.wiki-card p{font-size:14px;color:var(--muted)}

/* article list */
.article-list{display:grid;gap:12px}
.article-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .24s,box-shadow .24s,border-color .24s;
}
.article-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:rgba(91,75,255,.28)}
.article-item span{font-size:15px;font-weight:600;color:var(--ink)}
.article-item em{font-style:normal;font-size:13.5px;color:var(--brand);white-space:nowrap}

/* help */
.help-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px;
  box-shadow:var(--shadow-sm);
  transition:transform .24s,box-shadow .24s,border-color .24s;
}
.help-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(91,75,255,.28)}
.help-card h3{font-size:16px;margin-bottom:6px;color:var(--ink)}
.help-card p{font-size:14px;color:var(--muted)}

/* form */
.match-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:start}
.match-info h2{font-size:clamp(23px,3.2vw,32px);margin-bottom:14px;letter-spacing:-.4px}
.match-info p{font-size:15px;color:var(--muted);margin-bottom:22px}
.match-points{display:grid;gap:12px}
.match-points li{
  background:#fff;
  border:1px solid var(--line);
  border-left:3px solid #5b4bff;
  border-radius:12px;
  padding:14px 18px;
  font-size:14.5px;
  color:var(--ink-2);
  box-shadow:var(--shadow-sm);
}
.match-points strong{color:var(--ink)}
.form{
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  padding:28px 24px;
  box-shadow:var(--shadow-md);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px;display:flex;flex-direction:column}
.field label{font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  font-size:15px;
  font-family:inherit;
  color:var(--ink);
  background:#fbfcff;
  border:1px solid rgba(20,29,61,.14);
  border-radius:12px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#8e97b2}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  background:#fff;
  border-color:#6a5cff;
  box-shadow:0 0 0 4px rgba(106,92,255,.13);
}
.form .btn{width:100%;margin-top:6px}
.form-tip{font-size:13px;color:var(--muted);margin-top:12px;text-align:center}

/* network */
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.net-card{
  background:linear-gradient(150deg,#ffffff,#f5f8ff);
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px;
  box-shadow:var(--shadow-sm);
  transition:transform .24s,box-shadow .24s;
}
.net-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.net-card h3{font-size:16px;margin-bottom:6px}
.net-card p{font-size:14px;color:var(--muted)}

/* partner */
.partner-box{
  background:linear-gradient(125deg,#5b4bff 0%,#3f7bff 48%,#00b6d4 100%);
  border-radius:26px;
  padding:44px 40px;
  color:#fff;
  box-shadow:0 26px 60px rgba(70,80,220,.30);
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:30px;
  align-items:center;
}
.partner-box h2{font-size:clamp(22px,3vw,30px);color:#fff;margin-bottom:12px;letter-spacing:-.3px}
.partner-box p{font-size:15px;color:rgba(255,255,255,.92)}
.partner-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.partner-list span{
  font-size:13px;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
}
.partner-actions{display:flex;flex-direction:column;gap:12px}
.btn-white{background:#fff;color:#2a2f6b;box-shadow:0 12px 26px rgba(10,20,60,.20)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(10,20,60,.26)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start}
.contact-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px 20px;
  box-shadow:var(--shadow-sm);
}
.contact-item .label{font-size:12.5px;font-weight:700;color:#0f8ea3;letter-spacing:.04em;margin-bottom:4px}
.contact-item .value{font-size:15px;font-weight:600;color:var(--ink);word-break:break-all}
.qr-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:24px;
  text-align:center;
  box-shadow:var(--shadow-md);
}
.qr-card img{width:180px;max-width:100%;height:auto;display:block;margin:0 auto;border-radius:12px}
.qr-card p{font-size:14px;color:var(--muted);margin-top:14px}

/* footer */
.site-footer{
  margin-top:20px;
  background:#111a3a;
  color:#c3cce6;
  padding:52px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr 1.5fr;gap:32px;padding-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-text{color:#fff;font-size:16px}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.site-footer p{font-size:14px;color:#aab5d4;line-height:1.8}
.footer-nav{display:grid;gap:8px}
.site-footer a{color:#c3cce6;text-decoration:none;transition:color .2s}
.site-footer a:hover{color:#fff}
.footer-nav a{font-size:14px}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 18px}
.footer-links a{font-size:13.5px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:16px 0;
  font-size:13px;
  color:#8f9bbe;
}
.footer-bottom .container{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}

/* float */
.back-top{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:70;
  width:46px;
  height:46px;
  border-radius:50%;
  border:1px solid rgba(20,29,61,.12);
  background:#fff;
  color:#4034cc;
  font-size:18px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  box-shadow:0 12px 28px rgba(20,29,61,.16);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .25s,visibility .25s,transform .25s;
}
.back-top.show{opacity:1;visibility:visible;transform:none}
.float-kefu{
  position:fixed;
  right:18px;
  bottom:76px;
  z-index:70;
  width:46px;
  height:46px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:700;
  color:#fff;
  background:linear-gradient(135deg,#6a5cff,#00b6d4);
  box-shadow:0 12px 28px rgba(80,80,220,.32);
  transition:transform .22s,box-shadow .22s;
}
.float-kefu:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(80,80,220,.40)}

/* reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@keyframes riseIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.hero-copy > *{animation:riseIn .7s ease both}
.hero-copy > *:nth-child(1){animation-delay:.02s}
.hero-copy > *:nth-child(2){animation-delay:.10s}
.hero-copy > *:nth-child(3){animation-delay:.18s}
.hero-copy > *:nth-child(4){animation-delay:.26s}
.hero-copy > *:nth-child(5){animation-delay:.34s}
.hero-panel{animation:riseIn .8s ease both;animation-delay:.16s}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* responsive */
@media (max-width:1080px){
  .nav-toggle{display:flex}
  .nav{
    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);
    padding:14px 20px 20px;
    box-shadow:0 20px 44px rgba(20,29,61,.14);
  }
  .nav.open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch}
  .nav-links a{padding:11px 10px;font-size:15px}
  .nav-cta{width:100%;margin-top:6px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-panel{order:2}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .net-grid{grid-template-columns:repeat(2,1fr)}
  .review-layout{grid-template-columns:1fr}
  .match-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .partner-box{grid-template-columns:1fr;padding:34px 26px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:640px){
  .hero{padding:44px 0 26px}
  .section{padding:54px 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .net-grid{grid-template-columns:1fr}
  .contact-list{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .article-item{flex-direction:column;align-items:flex-start;gap:8px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .footer-bottom .container{flex-direction:column}
}