:root{
  --ink:#141024;
  --ink-2:#514a68;
  --ink-3:#7c7594;
  --brand:#2f1cf2;
  --brand-soft:#efeaff;
  --pink:#ff2e63;
  --pink-soft:#ffe9f0;
  --teal:#00a585;
  --teal-soft:#e1f7f1;
  --orange:#e8590c;
  --orange-soft:#fff0e5;
  --line:#e5e0f5;
  --surface:#ffffff;
  --radius:18px;
  --shadow-sm:0 6px 18px rgba(20,16,36,.06);
  --shadow-md:0 16px 36px rgba(47,28,242,.14);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{background-color:#f6f4ff;scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:transparent;
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.page-bg{position:fixed;inset:0;z-index:-1;pointer-events:none;background:
  radial-gradient(880px 520px at 8% -6%,rgba(47,28,242,.18),transparent 62%),
  radial-gradient(760px 480px at 96% 2%,rgba(255,46,99,.16),transparent 62%),
  radial-gradient(820px 560px at 20% 62%,rgba(0,165,133,.10),transparent 64%),
  radial-gradient(900px 600px at 88% 96%,rgba(232,89,12,.10),transparent 62%),
  #f6f4ff;}
.page-bg::after{content:"";position:absolute;inset:0;background-image:
  linear-gradient(rgba(20,16,36,.035) 1px,transparent 1px),
  linear-gradient(90deg,rgba(20,16,36,.035) 1px,transparent 1px);
  background-size:52px 52px;}
img{max-width:100%}
a{color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px}
.section{padding:74px 0}
.section-head{max-width:720px;margin-bottom:36px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;background:rgba(255,46,99,.10);color:#c1144f;font-weight:700;font-size:13px;border:1px solid rgba(255,46,99,.28);margin-bottom:14px}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--pink)}
.section-title{font-size:clamp(23px,3.2vw,34px);color:var(--ink)}
.section-sub{margin-top:12px;color:var(--ink-2);font-size:15.5px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;transition:transform .25s,box-shadow .25s,background-color .25s,color .25s,border-color .25s;white-space:nowrap}
.btn-brand{background:linear-gradient(118deg,#2f1cf2,#7a3bff 52%,#ff2e63);color:#fff;box-shadow:0 10px 24px rgba(47,28,242,.30)}
.btn-brand:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(47,28,242,.38)}
.btn-ghost{background:#fff;color:var(--ink);border-color:#c9c2e6}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-3px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn:active{transform:translateY(0) scale(.985)}

/* header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{position:relative;display:flex;align-items:center;gap:14px;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:18px;flex-shrink:0}
.brand .ai-page-logo{display:block;max-height:36px;width:auto}
.brand-name{letter-spacing:.01em}
.nav{display:flex;align-items:center;gap:0;margin-left:auto}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;padding:0}
.nav-links a{display:block;padding:9px 11px;font-size:14px;font-weight:600;color:#2b2540;text-decoration:none;border-radius:9px;transition:color .2s,background-color .2s;white-space:nowrap}
.nav-links a:hover{color:var(--brand);background:rgba(47,28,242,.08)}
.nav-cta{margin-left:10px}
.nav-toggle{display:none;margin-left:auto;width:44px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;background:#fff;border:1.5px solid var(--line);border-radius:12px;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;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{position:relative;padding:58px 0 68px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.hero-copy>div,.hero-copy>h1,.hero-copy>p,.hero-copy>ul{animation:riseIn .75s cubic-bezier(.2,.7,.3,1) both}
.hero-copy>h1{animation-delay:.08s}
.hero-copy>.hero-lead{animation-delay:.16s}
.hero-copy>.hero-actions{animation-delay:.24s}
.hero-copy>.hero-points{animation-delay:.32s}
@keyframes riseIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.hero h1{font-size:clamp(28px,4.4vw,46px);margin:0 0 16px;color:var(--ink)}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{color:var(--ink-2);font-size:16.5px;max-width:560px;margin:0 0 22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 24px}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px 18px;padding:0;font-size:14px;color:var(--ink-2)}
.hero-points li{display:flex;align-items:center;gap:7px}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:2px;background:linear-gradient(135deg,var(--brand),var(--pink));flex-shrink:0}
.hero-panel{animation:floaty 8s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 18px;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.stat strong{display:block;font-size:30px;line-height:1.15;letter-spacing:-.02em;background:linear-gradient(120deg,#2f1cf2,#ff2e63);-webkit-background-clip:text;background-clip:text;color:#2f1cf2}
@supports (-webkit-background-clip:text){.stat strong{-webkit-text-fill-color:transparent}}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--ink-2);font-weight:600}
.hero-badge-card{margin-top:16px;background:linear-gradient(120deg,#1d1550,#3a1fd6 58%,#8b1bff);color:#fff;border-radius:16px;padding:18px 20px;font-weight:700;font-size:15px;box-shadow:0 16px 34px rgba(47,28,242,.28)}
.hero-badge-card small{display:block;margin-top:6px;font-weight:500;font-size:13px;color:rgba(255,255,255,.85)}

/* generic 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))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#cfc7ff}
.card h3{font-size:17px;margin-bottom:9px}
.card p{color:var(--ink-2);font-size:14.5px}
.card-num{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;font-weight:800;font-size:14px;margin-bottom:14px;background:var(--brand-soft);color:var(--brand)}
.card:nth-child(3n+2) .card-num{background:var(--pink-soft);color:#c1144f}
.card:nth-child(3n+3) .card-num{background:var(--teal-soft);color:#00795f}

/* tag cloud */
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.tag{display:inline-block;padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;background:#fff;border:1px solid var(--line);color:#413a5c;transition:transform .2s,background-color .2s,color .2s,border-color .2s}
.tag:hover{transform:translateY(-3px);background:var(--brand);border-color:var(--brand);color:#fff}

/* scene cards */
.scene-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 20px 20px;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;overflow:hidden}
.scene-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#2f1cf2,#7a3bff)}
.scene-card:nth-child(3n+2)::before{background:linear-gradient(90deg,#ff2e63,#ff9a3d)}
.scene-card:nth-child(3n+3)::before{background:linear-gradient(90deg,#00a585,#3ec9ff)}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.scene-idx{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--brand);margin-bottom:8px}
.scene-card h3{font-size:16px;margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--ink-2)}

/* steps */
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 18px;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.step-num{display:inline-flex;width:40px;height:40px;align-items:center;justify-content:center;border-radius:12px;font-weight:800;font-size:15px;background:linear-gradient(135deg,#2f1cf2,#7a3bff);color:#fff;margin-bottom:12px}
.step:nth-child(2n) .step-num{background:linear-gradient(135deg,#ff2e63,#ff9a3d)}
.step:nth-child(3n) .step-num{background:linear-gradient(135deg,#00a585,#3ec9ff)}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2)}

/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow-sm);-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:760px;font-size:14.5px}
thead th{background:#f3f0ff;color:#241a6b;font-weight:800;font-size:14px;text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);white-space:nowrap}
tbody td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:#faf8ff}
tbody td:first-child{color:var(--ink);font-weight:700}
td.hl{color:#1f0fb8;font-weight:700;background:rgba(47,28,242,.05)}
.table-note{margin-top:12px;font-size:13px;color:var(--ink-3)}

/* review score */
.review-score{display:flex;flex-wrap:wrap;align-items:center;gap:22px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 26px;box-shadow:var(--shadow-sm);margin-bottom:26px}
.score-main{display:flex;align-items:baseline;gap:6px}
.score-main strong{font-size:48px;line-height:1;color:var(--brand);letter-spacing:-.03em}
.score-main span{font-size:16px;color:var(--ink-3);font-weight:700}
.score-meta .stars{color:#e8870a;font-size:20px;letter-spacing:3px;line-height:1}
.score-meta p{margin-top:8px;font-size:14.5px;color:var(--ink-2)}
.score-meta p b{color:var(--ink)}

/* reviews */
.review-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px;transition:transform .3s,box-shadow .3s}
.review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.review-head{display:flex;align-items:center;gap:12px}
.avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:16px;flex-shrink:0;background:linear-gradient(135deg,#2f1cf2,#7a3bff)}
.review-card:nth-child(2n) .avatar{background:linear-gradient(135deg,#ff2e63,#ff9a3d)}
.review-card:nth-child(3n) .avatar{background:linear-gradient(135deg,#00a585,#3ec9ff)}
.review-head strong{display:block;font-size:15px;color:var(--ink)}
.review-head span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:2px}
.review-card p{font-size:14.5px;color:var(--ink-2);flex:1}
.review-stars{color:#e8870a;font-size:14px;letter-spacing:2px}

/* cases */
.case-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.case-media{margin:0 0 14px;background:#f4f1ff;border:1px solid var(--line);border-radius:14px;padding:10px;display:flex;align-items:center;justify-content:center;min-height:120px}
.case-media .ai-page-image{display:block;width:100%;height:auto;border-radius:10px}
.case-card h3{font-size:16.5px;margin-bottom:7px}
.case-card p{font-size:14px;color:var(--ink-2)}

/* article list */
.news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:start}
.article-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px}
.article-list li a{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;text-decoration:none;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s}
.article-list li a:hover{transform:translateX(5px);border-color:#cfc7ff;box-shadow:var(--shadow-md)}
.article-idx{font-size:12px;font-weight:800;color:var(--pink);letter-spacing:.06em;flex-shrink:0}
.article-title{font-size:15px;font-weight:700;color:var(--ink)}
.wiki-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 22px;box-shadow:var(--shadow-sm)}
.wiki-panel h3{font-size:17px;margin-bottom:6px}
.wiki-panel .wiki-desc{font-size:13.5px;color:var(--ink-2);margin-bottom:6px}
.wiki-panel .tag-cloud{margin-top:14px}

/* join */
.join-card{background:linear-gradient(120deg,#1d1550,#3a1fd6 56%,#8b1bff);border-radius:22px;padding:40px 36px;color:#fff;display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;box-shadow:0 24px 50px rgba(47,28,242,.28)}
.join-card h2{font-size:clamp(22px,3vw,30px);color:#fff;margin-bottom:14px}
.join-card p{color:rgba(255,255,255,.9);font-size:15px}
.join-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:#fff}
.join-list li{display:flex;gap:9px;align-items:flex-start}
.join-list li::before{content:"";width:7px;height:7px;border-radius:2px;background:#ffd23f;margin-top:9px;flex-shrink:0}
.join-action{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px}
.join-action .btn-light{background:#fff;color:#1d1550;border-color:#fff}
.join-action .btn-light:hover{background:#ffd23f;border-color:#ffd23f;color:#1d1550;transform:translateY(-3px)}

/* faq */
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item[open]{border-color:#c9beff;box-shadow:0 10px 26px rgba(47,28,242,.10)}
.faq-item summary{cursor:pointer;padding:16px 20px;font-weight:700;font-size:15px;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--brand);font-weight:800;transition:transform .28s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 20px 18px;font-size:14.5px;color:var(--ink-2)}

/* contact */
.contact-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start}
.contact-info{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px;box-shadow:var(--shadow-sm)}
.contact-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:14px}
.contact-list li{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding-bottom:13px;border-bottom:1px dashed var(--line);font-size:14.5px}
.contact-list li:last-child{border-bottom:none;padding-bottom:0}
.contact-list span{color:var(--ink-3);font-size:13.5px}
.contact-list strong,.contact-list a{color:var(--ink);font-weight:700;text-decoration:none}
.contact-list a:hover{color:var(--brand)}
.qr{display:flex;align-items:center;gap:16px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.qr img{width:112px;height:112px;object-fit:contain;border-radius:12px;border:1px solid var(--line);background:#fff;padding:6px}
.qr p{font-size:13.5px;color:var(--ink-2);font-weight:600}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field-full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:700;color:#2b2540}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;font-size:14.5px;font-family:inherit;color:var(--ink);background:#fbfaff;transition:border-color .25s,box-shadow .25s,background-color .25s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(47,28,242,.12)}
.field textarea{resize:vertical;min-height:110px}
.form-tip{grid-column:1/-1;font-size:12.5px;color:var(--ink-3);margin:0}

/* friend links */
.friend-links{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px;box-shadow:var(--shadow-sm)}
.friend-links h2{font-size:18px;margin-bottom:14px}
.friend-list{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0}
.friend-list a{display:inline-block;padding:7px 15px;border-radius:999px;background:#f7f5ff;border:1px solid var(--line);color:#3d3560;font-size:13.5px;font-weight:600;text-decoration:none;transition:transform .2s,background-color .2s,color .2s,border-color .2s}
.friend-list a:hover{transform:translateY(-3px);background:var(--brand);border-color:var(--brand);color:#fff}

/* footer */
.site-footer{background:#171234;color:#cfc9e8;margin-top:74px}
.footer-main{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;padding-top:48px;padding-bottom:34px}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{font-size:14px;color:#b6aed6;max-width:420px}
.footer-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.footer-cols h4{font-size:14.5px;color:#fff;margin-bottom:12px}
.footer-cols ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:9px}
.footer-cols a,.footer-cols li{font-size:13.5px;color:#b6aed6;text-decoration:none}
.footer-cols a:hover{color:#ffd23f}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;padding-bottom:22px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.footer-bottom p{font-size:13px;color:#a89ecb}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom-links a{font-size:13px;color:#b6aed6;text-decoration:none}
.footer-bottom-links a:hover{color:#ffd23f}

/* float service */
.float-service{position:fixed;right:18px;bottom:18px;z-index:90}
.float-btn{width:56px;height:56px;border-radius:50%;border:none;background:linear-gradient(135deg,#2f1cf2,#ff2e63);color:#fff;font-size:13px;font-weight:800;cursor:pointer;box-shadow:0 12px 26px rgba(47,28,242,.36);transition:transform .25s,box-shadow .25s;font-family:inherit}
.float-btn:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 18px 32px rgba(47,28,242,.44)}
.float-panel{position:absolute;right:0;bottom:70px;width:250px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 20px 44px rgba(20,16,36,.18);display:none}
.float-panel.open{display:block;animation:riseIn .3s ease both}
.float-panel h4{font-size:14px;margin-bottom:10px;color:var(--ink)}
.float-panel ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:9px;font-size:13px;color:var(--ink-2)}
.float-panel a{color:var(--brand);text-decoration:none;font-weight:700}
.float-panel img{width:100%;max-width:150px;height:auto;border-radius:10px;border:1px solid var(--line);margin-top:10px}
.back-top{position:fixed;right:18px;bottom:86px;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--brand);font-size:18px;font-weight:800;cursor:pointer;box-shadow:var(--shadow-sm);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .3s,transform .3s,visibility .3s;z-index:89;font-family:inherit}
.back-top.show{opacity:1;visibility:visible;transform:none}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-copy>*,.hero-panel{animation:none}
  html{scroll-behavior:auto}
}

/* responsive */
@media (max-width:1080px){
  .nav-toggle{display:flex}
  .nav{position:absolute;top:100%;left:0;right:0;margin-left:0;flex-direction:column;align-items:stretch;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px 20px 18px;display:none;box-shadow:0 22px 36px rgba(20,16,36,.12);gap:0}
  .nav.open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch}
  .nav-links a{padding:12px 6px;border-bottom:1px dashed var(--line);border-radius:0}
  .nav-cta{margin:16px 0 0;justify-content:center}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .join-card{grid-template-columns:1fr;padding:32px 24px}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:900px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact-layout{grid-template-columns:1fr}
  .news-layout{grid-template-columns:1fr}
  .faq-list{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .section{padding:52px 0}
  .hero{padding:38px 0 48px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .contact-form{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stat strong{font-size:26px}
  .footer-cols{grid-template-columns:1fr}
  .review-score{padding:20px}
  .score-main strong{font-size:40px}
  .float-panel{width:220px}
  .site-footer{margin-top:52px}
}