*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:#1a1730;
  background-color:#fbfaff;
  background-image:
    radial-gradient(circle at 6% 0%,rgba(109,75,255,.13),transparent 46%),
    radial-gradient(circle at 94% 2%,rgba(255,77,141,.12),transparent 44%),
    radial-gradient(circle at 50% 38%,rgba(18,184,216,.08),transparent 56%),
    radial-gradient(circle at 20% 90%,rgba(18,185,129,.08),transparent 50%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:#171331;line-height:1.3;font-weight:800;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;}
.container{width:100%;max-width:1160px;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,.9);backdrop-filter:blur(14px);border-bottom:1px solid #ece7fa;}
.site-header::before{content:"";display:block;height:3px;background:linear-gradient(90deg,#6d4bff,#12b8d8,#12b981,#f7b731,#ff8a3d,#ff4d8d);}
.header-inner{display:flex;align-items:center;gap:14px;min-height:66px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.ai-page-logo{width:36px;display:block;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.02em;color:#171331;}
.nav{margin-left:auto;}
.nav-links{display:flex;align-items:center;gap:0;}
.nav-links a{display:block;padding:9px 12px;font-size:14.5px;color:#3d3760;border-radius:10px;white-space:nowrap;transition:background .2s ease,color .2s ease;}
.nav-links a:hover{background:rgba(109,75,255,.09);color:#5a37f0;}
.header-cta{padding:10px 20px;font-size:14px;flex-shrink:0;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid #e6e0f7;background:#fff;cursor:pointer;color:#3d3760;align-items:center;justify-content:center;margin-left:auto;}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;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;}
.btn-primary{background:linear-gradient(118deg,#6d4bff,#c445f0 46%,#ff4d8d);color:#fff;box-shadow:0 12px 26px rgba(109,75,255,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(109,75,255,.38);}
.btn-ghost{background:#fff;color:#241f45;border-color:#e6e0f7;box-shadow:0 8px 20px rgba(76,58,160,.08);}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(109,75,255,.4);color:#5a37f0;}
.btn:active{transform:translateY(0) scale(.99);}

/* hero */
.hero{padding:54px 0 46px;position:relative;overflow:hidden;}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;background:#fff;border:1px solid #ece7fa;font-size:13px;font-weight:700;color:#5a37f0;box-shadow:0 8px 20px rgba(76,58,160,.08);}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#6d4bff,#ff4d8d);}
.hero h1{font-size:clamp(30px,4.3vw,48px);margin:20px 0 16px;letter-spacing:-.01em;}
.hero h1 .hl{color:#6d4bff;}
.hero-desc{font-size:16px;color:#4c4667;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;font-size:14.5px;color:#453f63;}
.hero-points li{display:flex;align-items:center;gap:8px;}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#12b8d8,#6d4bff);}
.hero-panel{position:relative;padding:26px;border-radius:24px;background:#fff;border:1px solid #ece7fa;box-shadow:0 24px 60px rgba(76,58,160,.14);overflow:hidden;}
.hero-panel::after{content:"";position:absolute;width:220px;height:220px;right:-70px;top:-80px;border-radius:50%;background:radial-gradient(circle,rgba(255,77,141,.22),transparent 70%);pointer-events:none;}
.hero-panel::before{content:"";position:absolute;width:200px;height:200px;left:-70px;bottom:-90px;border-radius:50%;background:radial-gradient(circle,rgba(18,184,216,.2),transparent 70%);pointer-events:none;}
.panel-head{position:relative;display:flex;align-items:center;gap:10px;font-size:14px;color:#4c4667;font-weight:700;}
.panel-dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,#12b981,#12b8d8);box-shadow:0 0 0 4px rgba(18,185,129,.16);}
.chip-cloud{position:relative;display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px;}
.chip{padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;color:#3d3760;background:#f6f3ff;border:1px solid #e9e2fb;transition:transform .2s ease,background .2s ease,color .2s ease;}
.chip:nth-child(3n){background:#eefaff;border-color:#d6f2fb;color:#12718a;}
.chip:nth-child(4n){background:#fff2f7;border-color:#ffdcea;color:#b52a5e;}
.chip:nth-child(5n){background:#f1fbf5;border-color:#d6f3e3;color:#127a55;}
.chip:hover{transform:translateY(-2px);}
.panel-stats{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding-top:20px;border-top:1px dashed #e6e0f7;}
.panel-stat strong{display:block;font-size:22px;color:#171331;}
.panel-stat span{font-size:12.5px;color:#6b6488;}

/* stats strip */
.stats-strip{padding:8px 0 10px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.stat-card{background:#fff;border:1px solid #ece7fa;border-radius:16px;padding:20px 18px;text-align:center;box-shadow:0 10px 26px rgba(76,58,160,.07);transition:transform .25s ease,box-shadow .25s ease;}
.stat-card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(76,58,160,.14);}
.stat-card strong{display:block;font-size:24px;background:linear-gradient(120deg,#6d4bff,#ff4d8d);-webkit-background-clip:text;background-clip:text;color:#6d4bff;line-height:1.2;}
.stat-card span{display:block;margin-top:6px;font-size:13.5px;color:#5b5578;}

/* section */
.section{padding:66px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-tag{display:inline-block;padding:6px 15px;border-radius:999px;font-size:13px;font-weight:700;background:rgba(109,75,255,.1);color:#5a37f0;margin-bottom:14px;}
.section-tag.tag-pink{background:rgba(255,77,141,.1);color:#c03363;}
.section-tag.tag-cyan{background:rgba(18,184,216,.12);color:#0f7b93;}
.section-tag.tag-green{background:rgba(18,185,129,.12);color:#0f7857;}
.section-tag.tag-orange{background:rgba(255,138,61,.14);color:#b95d17;}
.section-head h2{font-size:clamp(22px,2.7vw,32px);}
.section-head p{margin-top:14px;color:#4c4667;font-size:15.5px;}

/* cards */
.grid{display:grid;gap:20px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card{background:#fff;border:1px solid #ece7fa;border-radius:18px;padding:24px;box-shadow:0 10px 28px rgba(76,58,160,.07);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 42px rgba(76,58,160,.14);border-color:rgba(109,75,255,.3);}
.card h3{font-size:17px;margin-bottom:10px;}
.card p{font-size:14.5px;color:#544e70;}

.svc-card{--accent:#6d4bff;}
.svc-card[data-accent="pink"]{--accent:#ff4d8d;}
.svc-card[data-accent="cyan"]{--accent:#12b8d8;}
.svc-card[data-accent="green"]{--accent:#12b981;}
.svc-card[data-accent="orange"]{--accent:#ff8a3d;}
.svc-card[data-accent="gold"]{--accent:#e8a80c;}
.svc-card::before{content:"";display:block;width:36px;height:6px;border-radius:999px;background:var(--accent);margin-bottom:16px;opacity:.9;}

/* about */
.about-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:32px;align-items:start;}
.about-text p{color:#4c4667;font-size:15.5px;margin-bottom:14px;}
.about-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.about-tags span{padding:7px 14px;border-radius:10px;font-size:13.5px;font-weight:600;background:#fff;border:1px solid #e9e2fb;color:#453f63;}
.about-media{display:grid;gap:14px;}
.about-media img{width:100%;height:auto;display:block;border-radius:16px;border:1px solid #ece7fa;box-shadow:0 14px 34px rgba(76,58,160,.1);}

/* flow */
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;}
.flow-step{position:relative;background:#fff;border:1px solid #ece7fa;border-radius:16px;padding:20px 16px;box-shadow:0 10px 26px rgba(76,58,160,.06);transition:transform .25s ease,box-shadow .25s ease;}
.flow-step:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(76,58,160,.13);}
.flow-num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:10px;font-size:13px;font-weight:800;color:#fff;background:linear-gradient(135deg,#6d4bff,#ff4d8d);margin-bottom:12px;}
.flow-step h4{font-size:15px;margin-bottom:8px;}
.flow-step p{font-size:13.5px;color:#5b5578;}
.cloud{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;}
.cloud span{padding:8px 15px;border-radius:999px;font-size:13.5px;font-weight:600;color:#3d3760;background:#fff;border:1px solid #e9e2fb;transition:transform .2s ease,border-color .2s ease,color .2s ease;}
.cloud span:hover{transform:translateY(-2px);border-color:rgba(109,75,255,.45);color:#5a37f0;}

/* timeline */
.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.tl-item{background:#fff;border:1px solid #ece7fa;border-left:4px solid #6d4bff;border-radius:14px;padding:20px;box-shadow:0 10px 26px rgba(76,58,160,.06);transition:transform .25s ease,box-shadow .25s ease;}
.tl-item:nth-child(2){border-left-color:#12b8d8;}
.tl-item:nth-child(3){border-left-color:#ff4d8d;}
.tl-item:nth-child(4){border-left-color:#ff8a3d;}
.tl-item:nth-child(5){border-left-color:#12b981;}
.tl-item:nth-child(6){border-left-color:#e8a80c;}
.tl-item:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(76,58,160,.13);}
.tl-item h4{font-size:15.5px;margin-bottom:8px;}
.tl-item p{font-size:13.8px;color:#5b5578;}

/* cases */
.case-card{padding:0;overflow:hidden;}
.case-media{aspect-ratio:4/3;background:#f4f1ff;overflow:hidden;}
.case-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease;}
.case-card:hover .case-media img{transform:scale(1.05);}
.case-body{padding:20px 22px 24px;}
.case-body h3{font-size:16.5px;margin-bottom:8px;}
.case-body p{font-size:14px;color:#544e70;}

/* compare */
.compare-top{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:24px;align-items:stretch;margin-bottom:28px;}
.score-card{background:linear-gradient(150deg,#2a1f5e,#4b2fa8 58%,#7a3ec9);border-radius:20px;padding:30px 28px;color:#fff;display:flex;flex-direction:column;justify-content:center;box-shadow:0 22px 50px rgba(67,42,150,.32);}
.score-card .score-label{font-size:13.5px;letter-spacing:.08em;color:#d9d2ff;font-weight:700;}
.score-value{font-size:52px;font-weight:800;line-height:1.1;margin:8px 0 4px;}
.score-value small{font-size:18px;font-weight:600;color:#cfc7ff;}
.score-stars{font-size:20px;letter-spacing:5px;color:#ffd75e;}
.score-desc{margin-top:12px;font-size:14px;color:#e2ddff;}
.compare-list{display:grid;gap:12px;}
.compare-list li{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid #ece7fa;border-radius:14px;padding:14px 18px;font-size:14.5px;color:#453f63;box-shadow:0 8px 22px rgba(76,58,160,.06);}
.compare-list li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:50%;background:linear-gradient(135deg,#6d4bff,#12b8d8);}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid #ece7fa;border-radius:16px;background:#fff;box-shadow:0 12px 30px rgba(76,58,160,.07);}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:700px;}
thead th{background:#f6f3ff;color:#332d55;font-weight:800;text-align:left;padding:15px 18px;border-bottom:1px solid #ece7fa;white-space:nowrap;}
tbody td{padding:14px 18px;border-bottom:1px solid #f2eefb;color:#4c4667;vertical-align:top;}
tbody th{padding:14px 18px;border-bottom:1px solid #f2eefb;text-align:left;color:#241f45;font-weight:700;background:#fdfcff;white-space:nowrap;}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:none;}
tbody tr:hover td,tbody tr:hover th{background:#faf8ff;}
.td-best{color:#5a37f0;font-weight:700;}
.table-note{margin-top:14px;font-size:13.5px;color:#6b6488;}

/* form */
.match-wrap{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:28px;align-items:start;}
.match-intro .card{background:linear-gradient(160deg,#ffffff,#f8f5ff);}
.match-intro ul{margin-top:16px;display:grid;gap:10px;}
.match-intro li{display:flex;gap:10px;font-size:14.2px;color:#4c4667;}
.match-intro li::before{content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;border-radius:50%;background:#ff4d8d;}
.match-form{background:#fff;border:1px solid #ece7fa;border-radius:20px;padding:28px;box-shadow:0 16px 40px rgba(76,58,160,.1);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.form-field label{font-size:13.8px;font-weight:700;color:#332d55;}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid #e4ddf6;background:#fcfbff;font-size:14.5px;color:#1a1730;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:#8b6dff;background:#fff;box-shadow:0 0 0 4px rgba(109,75,255,.12);}
.form-field textarea{resize:vertical;min-height:110px;}
.form-submit{width:100%;margin-top:4px;}
.form-tip{margin-top:12px;font-size:13px;color:#6b6488;text-align:center;}

/* faq */
.faq-list{display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid #ece7fa;border-radius:14px;box-shadow:0 8px 22px rgba(76,58,160,.06);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;}
.faq-item.open{border-color:rgba(109,75,255,.38);box-shadow:0 14px 34px rgba(76,58,160,.12);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 20px;background:none;border:none;cursor:pointer;font-size:15.2px;font-weight:700;color:#241f45;text-align:left;font-family:inherit;}
.faq-q:hover{color:#5a37f0;}
.faq-icon{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:#f2eefb;position:relative;transition:background .25s ease,transform .25s ease;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:#6d4bff;border-radius:2px;transform:translate(-50%,-50%);}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;transition:transform .25s ease,opacity .25s ease;}
.faq-item.open .faq-icon{background:#6d4bff;transform:rotate(180deg);}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:#fff;}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-item.open .faq-a{max-height:360px;}
.faq-a-inner{padding:0 20px 18px;font-size:14.3px;color:#544e70;}

/* wiki + news */
.wiki-item{background:#fff;border:1px solid #ece7fa;border-radius:14px;padding:18px 20px;box-shadow:0 8px 22px rgba(76,58,160,.06);transition:transform .25s ease,box-shadow .25s ease;}
.wiki-item:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(76,58,160,.12);}
.wiki-item h4{font-size:15px;margin-bottom:6px;color:#241f45;}
.wiki-item p{font-size:13.8px;color:#5b5578;}
.news-list{display:grid;gap:12px;}
.news-item{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;border:1px solid #ece7fa;border-radius:14px;padding:16px 20px;box-shadow:0 8px 22px rgba(76,58,160,.06);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.news-item:hover{transform:translateX(4px);border-color:rgba(109,75,255,.35);box-shadow:0 14px 32px rgba(76,58,160,.12);}
.news-item span{font-size:15px;font-weight:700;color:#241f45;}
.news-more{font-size:13.5px;color:#6d4bff;font-weight:700;white-space:nowrap;}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:26px;align-items:start;}
.contact-list{display:grid;gap:12px;}
.contact-row{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid #ece7fa;border-radius:14px;padding:14px 18px;font-size:14.5px;color:#453f63;box-shadow:0 8px 22px rgba(76,58,160,.06);}
.contact-row .k{font-weight:800;color:#241f45;min-width:82px;flex:0 0 auto;}
.contact-row a{color:#5a37f0;font-weight:700;word-break:break-all;}
.qr-card{background:#fff;border:1px solid #ece7fa;border-radius:20px;padding:22px;text-align:center;box-shadow:0 16px 38px rgba(76,58,160,.1);}
.qr-card img{width:100%;max-width:230px;height:auto;display:block;margin:0 auto 14px;border-radius:12px;}
.qr-card p{font-size:13.8px;color:#5b5578;}

/* join */
.join-card{background:linear-gradient(130deg,#ffffff,#f7f3ff 60%,#fff2f8);border:1px solid #ece7fa;border-radius:22px;padding:34px;box-shadow:0 20px 46px rgba(76,58,160,.12);}
.join-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:28px;align-items:center;}
.join-inner h2{font-size:clamp(21px,2.5vw,28px);}
.join-inner p{margin-top:12px;font-size:15px;color:#4c4667;}
.join-points{display:grid;gap:12px;}
.join-points li{display:flex;gap:10px;font-size:14.3px;color:#3d3760;background:#fff;border:1px solid #ece7fa;border-radius:12px;padding:12px 16px;}
.join-points li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:8px;border-radius:50%;background:linear-gradient(135deg,#ff8a3d,#ff4d8d);}

/* footer */
.site-footer{background:#171326;color:#c8c2e2;padding:46px 0 26px;margin-top:10px;}
.footer-top{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .ai-page-logo{width:34px;}
.footer-brand strong{color:#fff;font-size:17px;}
.site-footer p{font-size:14px;color:#b3acd1;line-height:1.8;}
.footer-nav{display:flex;flex-wrap:wrap;gap:10px 22px;}
.footer-nav a{font-size:14px;color:#cfc9ea;transition:color .2s ease;}
.footer-nav a:hover{color:#fff;}
.footer-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:12px;}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:6px;}
.footer-links a{font-size:13.5px;color:#b8b1d6;transition:color .2s ease;}
.footer-links a:hover{color:#fff;}
.footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#9f98c0;text-align:center;}

/* float tools */
.float-tools{position:fixed;right:18px;bottom:24px;z-index:90;display:flex;flex-direction:column;gap:12px;align-items:flex-end;}
.float-btn{width:48px;height:48px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#6d4bff,#ff4d8d);color:#fff;box-shadow:0 12px 28px rgba(109,75,255,.35);transition:transform .22s ease,box-shadow .22s ease;}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(109,75,255,.45);}
.float-btn.top-btn{background:#fff;color:#453f63;border:1px solid #e6e0f7;opacity:0;pointer-events:none;transition:opacity .25s ease,transform .22s ease;}
.float-btn.top-btn.show{opacity:1;pointer-events:auto;}
.kefu-panel{position:absolute;right:60px;bottom:0;width:250px;background:#fff;border:1px solid #ece7fa;border-radius:16px;padding:18px;box-shadow:0 20px 46px rgba(59,42,120,.2);display:none;}
.kefu-panel.show{display:block;animation:pop .22s ease;}
@keyframes pop{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.kefu-panel h4{font-size:14.5px;margin-bottom:10px;color:#241f45;}
.kefu-panel p{font-size:13.2px;color:#544e70;margin-bottom:6px;}

/* reveal */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease;}
.js .reveal.in{opacity:1;transform:none;}

/* responsive */
@media (max-width:1080px){
  .nav-links{position:absolute;top:100%;left:-20px;right:-20px;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid #ece7fa;box-shadow:0 18px 34px rgba(76,58,160,.12);padding:6px 20px 12px;display:none;}
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 4px;border-bottom:1px solid #f2eefb;border-radius:0;font-size:15px;}
  .nav-links li:last-child a{border-bottom:none;}
  .nav-toggle{display:flex;}
  .nav{margin-left:0;}
  .header-cta{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .about-grid,.compare-top,.match-wrap,.contact-grid,.join-inner,.footer-top{grid-template-columns:1fr;}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:960px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:640px){
  .section{padding:50px 0;}
  .hero{padding:38px 0 34px;}
  .grid-2,.grid-3,.grid-4,.flow,.timeline,.form-row{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .hero-actions .btn{flex:1 1 auto;}
  .match-form{padding:22px 18px;}
  .join-card{padding:24px 20px;}
  .panel-stats{grid-template-columns:repeat(3,1fr);}
  .contact-row{flex-wrap:wrap;gap:6px;}
  .contact-row .k{min-width:auto;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .js .reveal{opacity:1;transform:none;}
}