*,*::before,*::after{box-sizing:border-box;}
:root{
  --ink:#171233;
  --ink-2:#3f3a5c;
  --muted:#6b6690;
  --line:rgba(23,18,51,.10);
  --violet:#6a4bff;
  --pink:#ff5f9e;
  --cyan:#12b8b8;
  --amber:#ffab2e;
  --radius:18px;
  --shadow-sm:0 6px 18px rgba(35,25,90,.06);
  --shadow-md:0 16px 36px rgba(35,25,90,.10);
}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.72;
  color:var(--ink);
  background-color:#f8f6ff;
  background-image:
    radial-gradient(900px 520px at 6% -8%, rgba(106,75,255,.16), transparent 62%),
    radial-gradient(760px 460px at 96% 2%, rgba(255,95,158,.14), transparent 60%),
    radial-gradient(820px 560px at 50% 104%, rgba(18,184,184,.12), transparent 62%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--violet);text-decoration:none;}
button{font-family:inherit;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px;flex-wrap:nowrap;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.ai-page-logo{display:block;max-height:36px;max-width:160px;width:auto;height:auto;}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.02em;color:var(--ink);white-space:nowrap;}
.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;flex-wrap:nowrap;}
.nav-links a{
  display:inline-block;
  padding:9px 11px;
  border-radius:10px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  white-space:nowrap;
  transition:color .2s ease, background-color .2s ease;
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--violet);background:rgba(106,75,255,.08);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;padding:0;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  cursor:pointer;transition:border-color .2s ease, box-shadow .2s ease;
}
.nav-toggle:hover{border-color:rgba(106,75,255,.4);box-shadow:var(--shadow-sm);}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15.5px;font-weight:700;cursor:pointer;
  transition:transform .18s ease, box-shadow .22s ease, background-color .22s ease, color .22s ease, border-color .22s ease;
}
.btn-primary{background:linear-gradient(118deg,#6a4bff,#a855f7 48%,#ff5f9e);color:#fff;box-shadow:0 12px 26px rgba(106,75,255,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(106,75,255,.36);}
.btn-ghost{background:#fff;color:var(--ink);border-color:rgba(23,18,51,.14);box-shadow:var(--shadow-sm);}
.btn-ghost:hover{transform:translateY(-2px);color:var(--violet);border-color:rgba(106,75,255,.42);}

/* hero */
.hero{padding:60px 0 26px;scroll-margin-top:90px;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;margin-bottom:16px;
  border-radius:999px;
  background:rgba(106,75,255,.10);
  color:#5238d6;font-size:13px;font-weight:700;letter-spacing:.04em;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:linear-gradient(120deg,#6a4bff,#ff5f9e);}
.hero h1{font-size:clamp(28px,4.2vw,46px);letter-spacing:-.02em;}
.hero-lead{margin-top:18px;font-size:16.5px;color:var(--ink-2);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags li{
  padding:7px 15px;border-radius:999px;
  background:#fff;border:1px solid rgba(23,18,51,.09);
  font-size:13.5px;font-weight:600;color:var(--ink-2);
  box-shadow:0 4px 12px rgba(35,25,90,.05);
}
.hero-panel{position:relative;}
.hero-panel::before{
  content:"";position:absolute;inset:-18px -10px -18px -10px;
  border-radius:32px;
  background:linear-gradient(140deg,rgba(106,75,255,.22),rgba(255,95,158,.16) 48%,rgba(18,184,184,.18));
  filter:blur(22px);
  z-index:0;
}
.panel-inner{
  position:relative;z-index:1;
  background:#fff;
  border:1px solid rgba(23,18,51,.08);
  border-radius:26px;
  padding:26px 24px;
  box-shadow:0 24px 54px rgba(35,25,90,.13);
}
.panel-kicker{margin-bottom:16px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted);}
.model-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.model-cloud span{
  padding:7px 13px;border-radius:10px;
  background:rgba(106,75,255,.07);
  border:1px solid rgba(106,75,255,.16);
  font-size:13.5px;font-weight:600;color:#4a33c4;
  animation:floatTag 5.6s ease-in-out infinite;
}
.model-cloud span:nth-child(2n){animation-delay:.5s;}
.model-cloud span:nth-child(3n){animation-delay:1.1s;}
.model-cloud span:nth-child(4n){animation-delay:1.7s;}
@keyframes floatTag{0%,100%{transform:translateY(0);}50%{transform:translateY(-4px);}}
.panel-foot{display:flex;align-items:baseline;gap:8px;margin-top:22px;padding-top:18px;border-top:1px dashed rgba(23,18,51,.14);}
.panel-foot span{font-size:13.5px;color:var(--muted);font-weight:600;}
.panel-foot strong{font-size:30px;font-weight:800;color:#5b3ce0;letter-spacing:-.02em;}

/* metrics */
.metrics{padding:16px 0 0;}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:#fff;border:1px solid rgba(23,18,51,.08);
  border-radius:22px;padding:28px 22px;box-shadow:var(--shadow-sm);
}
.metric{text-align:center;}
.metric strong{display:block;font-size:clamp(23px,3vw,31px);font-weight:800;color:#5b3ce0;letter-spacing:-.01em;}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);font-weight:600;}

/* sections */
.section{padding:66px 0;scroll-margin-top:88px;}
.section-head{max-width:800px;margin-bottom:34px;}
.section-head h2{font-size:clamp(23px,3vw,33px);letter-spacing:-.015em;}
.section-head .lead{margin-top:14px;font-size:15.5px;color:var(--ink-2);}
.card{
  background:#fff;border:1px solid rgba(23,18,51,.08);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(106,75,255,.28);}

/* about */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.feature-card{padding:22px 20px;}
.feature-mark{width:34px;height:34px;border-radius:11px;margin-bottom:14px;background:linear-gradient(135deg,var(--violet),var(--pink));opacity:.9;}
.feature-card:nth-child(2) .feature-mark{background:linear-gradient(135deg,#12b8b8,#6a4bff);}
.feature-card:nth-child(3) .feature-mark{background:linear-gradient(135deg,#ffab2e,#ff5f9e);}
.feature-card:nth-child(4) .feature-mark{background:linear-gradient(135deg,#6a4bff,#12b8b8);}
.feature-card:nth-child(5) .feature-mark{background:linear-gradient(135deg,#ff5f9e,#ffab2e);}
.feature-card:nth-child(6) .feature-mark{background:linear-gradient(135deg,#12b8b8,#ffab2e);}
.feature-card:nth-child(7) .feature-mark{background:linear-gradient(135deg,#a855f7,#12b8b8);}
.feature-card h3{font-size:16.5px;margin-bottom:8px;}
.feature-card p{font-size:14px;color:var(--muted);}

/* services */
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.service-card{position:relative;padding:24px 20px 22px;overflow:hidden;}
.service-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:linear-gradient(90deg,var(--accent,#6a4bff),rgba(255,255,255,0));
}
.service-card h3{font-size:16.5px;margin-bottom:9px;}
.service-card p{font-size:13.8px;color:var(--muted);}

/* studio */
.studio-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.studio-item{
  background:#fff;border:1px solid rgba(23,18,51,.08);
  border-left:4px solid var(--accent,#6a4bff);
  border-radius:14px;padding:20px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease, box-shadow .22s ease;
}
.studio-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.studio-item h3{font-size:16px;margin-bottom:7px;}
.studio-item p{font-size:14px;color:var(--muted);}

/* solutions */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.solution-card{padding:24px 22px;}
.solution-card h3{font-size:17px;margin-bottom:9px;}
.solution-card p{font-size:14px;color:var(--muted);margin-bottom:14px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag-row span{
  padding:5px 11px;border-radius:8px;
  background:rgba(106,75,255,.08);
  color:#4a33c4;font-size:12.5px;font-weight:600;
}

/* network */
.network-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.network-card{padding:26px 24px;}
.network-card h3{font-size:17px;margin-bottom:16px;}
.pill-list{display:flex;flex-wrap:wrap;gap:10px;}
.pill-list li{
  padding:8px 16px;border-radius:999px;
  background:linear-gradient(120deg,rgba(106,75,255,.10),rgba(255,95,158,.10));
  border:1px solid rgba(106,75,255,.16);
  font-size:13.5px;font-weight:600;color:#4a33c4;
}
.tick-list li{
  position:relative;padding-left:24px;margin-bottom:11px;
  font-size:14.5px;color:var(--ink-2);
}
.tick-list li:last-child{margin-bottom:0;}
.tick-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--violet),var(--cyan));
}

/* process */
.process-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;}
.process-step{padding:22px 18px;background:#fff;border:1px solid rgba(23,18,51,.08);border-radius:16px;box-shadow:var(--shadow-sm);transition:transform .22s ease, box-shadow .22s ease;}
.process-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;margin-bottom:14px;
  font-size:14px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#6a4bff,#ff5f9e);
}
.process-step:nth-child(2) .step-num{background:linear-gradient(135deg,#12b8b8,#6a4bff);}
.process-step:nth-child(3) .step-num{background:linear-gradient(135deg,#ffab2e,#ff5f9e);}
.process-step:nth-child(4) .step-num{background:linear-gradient(135deg,#6a4bff,#12b8b8);}
.process-step:nth-child(5) .step-num{background:linear-gradient(135deg,#ff5f9e,#ffab2e);}
.process-step h3{font-size:15.5px;margin-bottom:8px;}
.process-step p{font-size:13.5px;color:var(--muted);}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.case-card{overflow:hidden;padding:14px;}
.case-media{aspect-ratio:4/3;border-radius:13px;overflow:hidden;background:#f1eefc;}
.case-media img{width:100%;height:100%;object-fit:contain;}
.case-body{padding:16px 6px 6px;}
.case-body h3{font-size:16px;margin-bottom:7px;}
.case-body p{font-size:13.5px;color:var(--muted);}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.review-card{padding:24px 22px;display:flex;flex-direction:column;}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#6a4bff,#ff5f9e);
}
.review-card:nth-child(2) .avatar{background:linear-gradient(135deg,#12b8b8,#6a4bff);}
.review-card:nth-child(3) .avatar{background:linear-gradient(135deg,#ffab2e,#ff5f9e);}
.review-card:nth-child(4) .avatar{background:linear-gradient(135deg,#6a4bff,#12b8b8);}
.review-card:nth-child(5) .avatar{background:linear-gradient(135deg,#ff5f9e,#ffab2e);}
.review-card:nth-child(6) .avatar{background:linear-gradient(135deg,#12b8b8,#ffab2e);}
.review-name{font-size:14.5px;font-weight:700;color:var(--ink);}
.review-role{font-size:12.8px;color:var(--muted);}
.review-card p{font-size:14px;color:var(--ink-2);}

/* compare */
.score-card{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  padding:26px 28px;margin-bottom:24px;border-radius:20px;
  background:linear-gradient(120deg,rgba(106,75,255,.10),rgba(255,95,158,.10) 52%,rgba(18,184,184,.10));
  border:1px solid rgba(106,75,255,.18);
}
.score-main{display:flex;align-items:baseline;gap:6px;}
.score-main strong{font-size:44px;font-weight:800;color:#5b3ce0;letter-spacing:-.03em;line-height:1;}
.score-main span{font-size:16px;font-weight:700;color:var(--muted);}
.score-stars{font-size:20px;letter-spacing:3px;color:#ffab2e;}
.score-desc{margin-top:6px;font-size:14px;color:var(--ink-2);font-weight:600;}
.table-scroll{overflow-x:auto;border-radius:18px;border:1px solid rgba(23,18,51,.08);background:#fff;box-shadow:var(--shadow-sm);}
table{width:100%;border-collapse:collapse;min-width:720px;}
thead th{
  background:rgba(106,75,255,.07);
  color:#3b2ba8;font-size:14px;font-weight:800;text-align:left;
  padding:15px 20px;white-space:nowrap;
}
tbody td{padding:15px 20px;font-size:14px;color:var(--ink-2);border-top:1px solid rgba(23,18,51,.07);}
tbody th{padding:15px 20px;font-size:14px;font-weight:700;color:var(--ink);text-align:left;border-top:1px solid rgba(23,18,51,.07);white-space:nowrap;}
tbody tr:hover td,tbody tr:hover th{background:rgba(106,75,255,.035);}
td.strong-cell{color:#4a33c4;font-weight:700;}

/* match */
.match-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.match-card{padding:24px 20px;display:flex;flex-direction:column;}
.match-card h3{font-size:16px;margin-bottom:8px;}
.match-card p{font-size:13.8px;color:var(--muted);margin-bottom:16px;}
.link-more{margin-top:auto;font-size:13.8px;font-weight:700;color:var(--violet);}
.link-more:hover{text-decoration:underline;}

/* token */
.token-card{padding:26px 22px;}
.token-card h3{font-size:16.5px;margin-bottom:10px;}
.token-card p{font-size:14px;color:var(--muted);margin-bottom:14px;}
.token-tag{
  display:inline-block;padding:6px 13px;border-radius:9px;
  background:rgba(18,184,184,.10);color:#0c7a7a;
  font-size:12.8px;font-weight:700;
}
.note{margin-top:20px;font-size:13.5px;color:var(--muted);}

/* help */
.help-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.help-card{padding:24px 20px;}
.help-card h3{font-size:16px;margin-bottom:9px;}
.help-card p{font-size:13.8px;color:var(--muted);}

/* faq */
.faq-list{display:grid;gap:12px;max-width:940px;}
.faq-item{background:#fff;border:1px solid rgba(23,18,51,.08);border-radius:14px;box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease, box-shadow .2s ease;}
.faq-item.open{border-color:rgba(106,75,255,.34);box-shadow:var(--shadow-md);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;
  font-size:15.2px;font-weight:700;color:var(--ink);text-align:left;
}
.faq-q .chev{flex:0 0 auto;width:20px;height:20px;position:relative;transition:transform .28s ease;}
.faq-q .chev::before,.faq-q .chev::after{
  content:"";position:absolute;top:9px;left:2px;width:16px;height:2px;border-radius:2px;background:#6a4bff;
}
.faq-q .chev::after{transform:rotate(90deg);transition:transform .28s ease;}
.faq-item.open .chev::after{transform:rotate(0deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 22px 20px;font-size:14.3px;color:var(--ink-2);}

/* wiki */
.wiki-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.wiki-card{padding:24px 20px;background:#fff;border:1px solid rgba(23,18,51,.08);border-radius:16px;box-shadow:var(--shadow-sm);transition:transform .22s ease, box-shadow .22s ease;}
.wiki-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.wiki-card h3{font-size:15.5px;margin-bottom:9px;}
.wiki-card p{font-size:13.8px;color:var(--muted);}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.news-card{padding:24px 22px;display:flex;flex-direction:column;}
.news-meta{font-size:12.8px;font-weight:700;color:#4a33c4;margin-bottom:10px;letter-spacing:.04em;}
.news-card h3{font-size:16px;margin-bottom:9px;}
.news-card p{font-size:13.8px;color:var(--muted);margin-bottom:16px;}

/* contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;align-items:start;}
.contact-info{padding:28px 26px;}
.contact-info h3{font-size:18px;margin-bottom:18px;}
.contact-list li{display:flex;gap:12px;margin-bottom:14px;font-size:14.3px;color:var(--ink-2);}
.contact-list li:last-child{margin-bottom:0;}
.contact-list .k{flex:0 0 84px;font-weight:700;color:var(--muted);}
.contact-list .v{word-break:break-all;}
.qr-box{margin-top:22px;padding-top:20px;border-top:1px dashed rgba(23,18,51,.14);}
.qr-box p{font-size:13.5px;color:var(--muted);margin-bottom:10px;}
.qr-box img{width:150px;height:150px;object-fit:contain;border-radius:12px;border:1px solid rgba(23,18,51,.10);background:#fff;padding:6px;}
.contact-form{padding:28px 26px;}
.form-row{margin-bottom:16px;}
.form-row label{display:block;margin-bottom:7px;font-size:13.5px;font-weight:700;color:var(--ink-2);}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:12px 14px;
  border:1px solid rgba(23,18,51,.14);border-radius:11px;
  background:#fbfaff;color:var(--ink);font-size:14.5px;font-family:inherit;
  transition:border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:rgba(106,75,255,.55);background:#fff;
  box-shadow:0 0 0 3px rgba(106,75,255,.12);
}
.form-row textarea{resize:vertical;min-height:110px;}
.form-submit{width:100%;margin-top:6px;}

/* join */
.join-card{
  padding:36px 34px;border-radius:22px;
  background:linear-gradient(120deg,rgba(106,75,255,.12),rgba(255,95,158,.12) 50%,rgba(18,184,184,.12));
  border:1px solid rgba(106,75,255,.20);
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.join-card h2{font-size:clamp(21px,2.6vw,27px);margin-bottom:10px;}
.join-card p{font-size:14.8px;color:var(--ink-2);max-width:620px;}

/* footer */
.site-footer{
  margin-top:20px;
  background:#f1eefb;
  border-top:1px solid rgba(23,18,51,.10);
  color:var(--ink-2);
}
.footer-top{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:30px;padding:44px 0 30px;}
.footer-brand .brand-name{font-size:18px;color:var(--ink);display:block;margin-bottom:12px;}
.footer-brand p{font-size:13.8px;color:#544e75;max-width:340px;}
.footer-col h4{font-size:14px;color:var(--ink);margin-bottom:14px;letter-spacing:.02em;}
.footer-col li{margin-bottom:9px;}
.footer-col a,.footer-col span{font-size:13.6px;color:#544e75;transition:color .2s ease;}
.footer-col a:hover{color:var(--violet);}
.friend-links{border-top:1px solid rgba(23,18,51,.10);padding:22px 0;display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;}
.friend-links strong{font-size:13px;color:var(--ink);margin-right:4px;}
.friend-links a{font-size:13px;color:#544e75;}
.friend-links a:hover{color:var(--violet);}
.footer-bottom{border-top:1px solid rgba(23,18,51,.10);padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;align-items:center;}
.footer-bottom p,.footer-bottom a{font-size:12.8px;color:#5d5780;}

/* floating */
.fx{position:fixed;right:20px;bottom:88px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:12px;}
.fx-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:58px;height:58px;padding:0;border-radius:50%;border:0;cursor:pointer;
  font-size:13px;font-weight:800;color:#fff;letter-spacing:.04em;
  background:linear-gradient(135deg,#6a4bff,#ff5f9e);
  box-shadow:0 14px 30px rgba(106,75,255,.34);
  transition:transform .2s ease, box-shadow .2s ease;
}
.fx-btn:hover{transform:translateY(-3px);box-shadow:0 20px 38px rgba(106,75,255,.42);}
.fx-panel{
  width:230px;padding:18px;
  background:#fff;border:1px solid rgba(23,18,51,.10);border-radius:16px;
  box-shadow:0 20px 44px rgba(35,25,90,.18);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s ease, transform .24s ease, visibility .24s ease;
}
.fx-panel.open{opacity:1;visibility:visible;transform:translateY(0);}
.fx-title{font-size:13.5px;font-weight:800;color:var(--ink);margin-bottom:10px;}
.fx-panel img{width:100%;height:auto;border-radius:10px;border:1px solid rgba(23,18,51,.08);margin-bottom:12px;}
.fx-line{font-size:12.8px;color:#544e75;margin-bottom:6px;word-break:break-all;}
.fx-line:last-child{margin-bottom:0;}
.to-top{
  position:fixed;right:20px;bottom:20px;z-index:90;
  width:48px;height:48px;border-radius:50%;
  border:1px solid rgba(23,18,51,.12);background:#fff;color:#4a33c4;
  font-size:18px;font-weight:800;cursor:pointer;
  box-shadow:var(--shadow-sm);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s ease, transform .24s ease, visibility .24s ease, box-shadow .2s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{box-shadow:var(--shadow-md);}

/* reveal */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .62s ease, transform .62s ease;}
.js .reveal.in{opacity:1;transform:none;}

/* responsive */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-panel{max-width:520px;}
  .feature-grid,.service-grid{grid-template-columns:repeat(2,1fr);}
  .process-grid{grid-template-columns:repeat(3,1fr);}
  .case-grid,.review-grid,.news-grid,.solution-grid{grid-template-columns:repeat(2,1fr);}
  .wiki-grid,.help-grid,.match-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:1024px){
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
    background:#fff;
    box-shadow:0 20px 34px rgba(35,25,90,.14);
    border-bottom:1px solid rgba(23,18,51,.10);
    max-height:0;overflow:hidden;padding:0 16px;
    transition:max-height .32s ease, padding .32s ease;
  }
  .nav-links.open{max-height:600px;padding:10px 16px 18px;}
  .nav-links a{padding:13px 8px;border-bottom:1px solid rgba(23,18,51,.07);border-radius:0;font-size:15px;}
  .nav-links a:last-child{border-bottom:0;}
}
@media (max-width:860px){
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:22px 14px;padding:24px 18px;}
  .studio-grid{grid-template-columns:1fr;}
  .network-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:24px;padding:36px 0 26px;}
}
@media (max-width:640px){
  .section{padding:48px 0;}
  .hero{padding:40px 0 18px;}
  .feature-grid,.service-grid,.case-grid,.review-grid,.news-grid,.solution-grid,
  .wiki-grid,.help-grid,.match-grid,.process-grid{grid-template-columns:1fr;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-tags li{font-size:13px;}
  .join-card{padding:28px 22px;}
  .join-card .btn{width:100%;}
  .fx{right:14px;bottom:82px;}
  .fx-btn{width:52px;height:52px;font-size:12.5px;}
  .fx-panel{width:206px;}
  .to-top{right:14px;bottom:16px;width:44px;height:44px;}
  .score-card{gap:16px;padding:22px 20px;}
  .score-main strong{font-size:36px;}
  .contact-info,.contact-form{padding:22px 18px;}
}