*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.72;color:#101828;
  background-color:#f6f8ff;
  background-image:
    radial-gradient(1100px 620px at 12% -8%, rgba(47,107,255,.18), transparent 60%),
    radial-gradient(900px 560px at 92% 0%, rgba(255,93,158,.14), transparent 58%),
    radial-gradient(1000px 700px at 50% 20%, rgba(123,92,255,.10), transparent 62%),
    linear-gradient(180deg,#f5f8ff 0%,#f6f5ff 45%,#fdf6fb 100%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:#2f6bff;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:#101828;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section[id]{scroll-margin-top:92px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(248,250,255,.86);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid rgba(23,43,99,.09)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:72px}
.brand{display:flex;align-items:center;flex:0 0 auto;width:152px}
.brand .ai-page-logo{max-height:38px;width:auto}
.nav{flex:1 1 auto;display:flex;justify-content:center}
.nav-links{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:nowrap}
.nav-links a{display:block;padding:9px 9px;font-size:13.5px;font-weight:600;color:#3b4763;border-radius:10px;white-space:nowrap;transition:color .2s ease,background .2s ease}
.nav-links a:hover{color:#1b3ba8;background:linear-gradient(120deg,rgba(47,107,255,.12),rgba(255,93,158,.12))}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:14px;font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .18s ease,box-shadow .25s ease,background .25s ease,color .2s ease}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:11px}
.btn-primary{background:linear-gradient(120deg,#2f6bff,#7b5cff 55%,#ff5d9e);color:#fff;box-shadow:0 14px 26px -14px rgba(47,107,255,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -14px rgba(47,107,255,.8)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{background:#fff;color:#1b2540;border-color:rgba(23,43,99,.16);box-shadow:0 8px 20px -16px rgba(23,43,99,.7)}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(47,107,255,.4);color:#1b3ba8}
.btn-light{background:#fff;color:#1a2a63;box-shadow:0 12px 26px -16px rgba(6,12,40,.9)}
.btn-light:hover{transform:translateY(-2px)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:12px;border:1px solid rgba(23,43,99,.16);background:#fff;cursor:pointer;padding:0 11px}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#22335c;transition:transform .25s ease,opacity .25s ease}
.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;overflow:hidden;padding:56px 0 64px}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none;z-index:0}
.hero::before{width:420px;height:420px;left:-120px;top:-140px;background:rgba(47,107,255,.32)}
.hero::after{width:380px;height:380px;right:-120px;top:40px;background:rgba(255,93,158,.28)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:40px;align-items:start}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.04em;color:#1b3ba8;background:rgba(47,107,255,.12);border:1px solid rgba(47,107,255,.22);margin-bottom:16px}
.hero h1{font-size:clamp(30px,4.6vw,50px);line-height:1.18;letter-spacing:-.02em;margin-bottom:18px}
.hero h1 em{font-style:normal;color:#2f6bff}
.hero-lead{font-size:16px;color:#43516e;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 30px}
.hero-actions .btn-primary{padding:15px 34px;font-size:16px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;max-width:600px}
.hero-stats li{background:rgba(255,255,255,.78);border:1px solid rgba(23,43,99,.09);border-radius:14px;padding:12px 14px;backdrop-filter:blur(6px)}
.hero-stats strong{display:block;font-size:22px;color:#1b3ba8;letter-spacing:-.02em}
.hero-stats span{font-size:12.5px;color:#54617c}
.hero-panel{position:relative;border-radius:22px;padding:26px;background:linear-gradient(160deg,#ffffff 0%,#f4f7ff 58%,#fff2f8 100%);border:1px solid rgba(23,43,99,.1);box-shadow:0 34px 64px -38px rgba(23,43,99,.7)}
.panel-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.panel-label{font-size:14px;font-weight:800;color:#1b2540}
.panel-tip{font-size:11.5px;font-weight:700;color:#2f6bff;background:rgba(47,107,255,.1);border-radius:999px;padding:3px 10px}
.model-chips{display:flex;flex-wrap:wrap;gap:8px}
.model-chips li{font-size:12.5px;font-weight:600;color:#2a3552;background:#fff;border:1px solid rgba(23,43,99,.12);border-radius:9px;padding:6px 10px;transition:transform .2s ease,border-color .2s ease,color .2s ease}
.model-chips li:hover{transform:translateY(-2px);border-color:rgba(47,107,255,.45);color:#1b3ba8}
.panel-line{height:2px;border-radius:2px;margin:20px 0 14px;background:linear-gradient(90deg,#2f6bff,#7b5cff,#ff5d9e,#16c6c0)}
.panel-note{font-size:12.5px;color:#54617c}

/* ---------- generic section ---------- */
.section{padding:66px 0}
.section-head{max-width:780px;margin-bottom:34px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.16em;color:#2f6bff;background:rgba(47,107,255,.1);border-radius:999px;padding:5px 14px;margin-bottom:14px}
.section-head h2{font-size:clamp(23px,3.1vw,32px);margin-bottom:12px}
.section-head p{color:#4a5872;font-size:15.5px}
.card{background:#fff;border:1px solid rgba(23,43,99,.09);border-radius:18px;padding:24px;box-shadow:0 14px 30px -26px rgba(23,43,99,.8);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 26px 44px -28px rgba(23,43,99,.7);border-color:rgba(47,107,255,.28)}
.grid{display:grid;gap:18px}
.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))}
.tint{background:linear-gradient(180deg,rgba(255,255,255,.72),rgba(236,242,255,.62));border-top:1px solid rgba(23,43,99,.06);border-bottom:1px solid rgba(23,43,99,.06)}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:start}
.about-text p{color:#43516e;margin-bottom:14px}
.about-text p:last-child{margin-bottom:0}
.ability-list{display:grid;gap:12px}
.ability-list li{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid rgba(23,43,99,.09);border-radius:14px;padding:14px 16px;transition:transform .2s ease,box-shadow .2s ease}
.ability-list li:hover{transform:translateX(3px);box-shadow:0 16px 28px -24px rgba(23,43,99,.9)}
.ability-list strong{display:block;font-size:14.5px;color:#16203a}
.ability-list span{font-size:13px;color:#5a6780;line-height:1.6}
.dot-mark{flex:0 0 auto;width:8px;height:8px;border-radius:50%;margin-top:9px;background:linear-gradient(135deg,#2f6bff,#ff5d9e)}

/* ---------- services ---------- */
.service-card{position:relative;overflow:hidden;background:#fff;border:1px solid rgba(23,43,99,.09);border-radius:18px;padding:22px;transition:transform .22s ease,box-shadow .22s ease}
.service-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,#2f6bff,#7b5cff,#ff5d9e);opacity:.85}
.service-card:hover{transform:translateY(-5px);box-shadow:0 26px 46px -30px rgba(23,43,99,.85)}
.service-tag{display:inline-block;font-size:11.5px;font-weight:800;color:#2f6bff;background:rgba(47,107,255,.1);border-radius:6px;padding:3px 9px;margin-bottom:12px;letter-spacing:.05em}
.service-card h3{font-size:17px;margin-bottom:8px}
.service-card p{font-size:13.5px;color:#56637d;line-height:1.68}

/* ---------- studio ---------- */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-bottom:30px}
.step{background:#fff;border:1px solid rgba(23,43,99,.09);border-radius:16px;padding:18px;transition:transform .2s ease,box-shadow .2s ease}
.step:hover{transform:translateY(-4px);box-shadow:0 22px 38px -28px rgba(23,43,99,.9)}
.step-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,#2f6bff,#7b5cff);margin-bottom:10px}
.step h3{font-size:15px;margin-bottom:6px}
.step p{font-size:13px;color:#5a6780;line-height:1.6}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud span{font-size:13px;font-weight:600;color:#2a3552;background:#fff;border:1px solid rgba(23,43,99,.12);border-radius:999px;padding:7px 14px;transition:transform .2s ease,color .2s ease,border-color .2s ease,background .2s ease}
.tag-cloud span:hover{transform:translateY(-2px);color:#fff;background:linear-gradient(120deg,#2f6bff,#7b5cff);border-color:transparent}

/* ---------- solutions ---------- */
.solution-card h3{font-size:17px;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.solution-card h3::before{content:"";width:9px;height:9px;border-radius:3px;background:linear-gradient(135deg,#2f6bff,#ff5d9e)}
.solution-card p{font-size:13.5px;color:#56637d;margin-bottom:12px}
.solution-card ul{display:grid;gap:6px}
.solution-card li{font-size:13px;color:#42506b;padding-left:14px;position:relative}
.solution-card li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:#9fb4e8}

/* ---------- network ---------- */
.network-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.network-item{background:#fff;border:1px solid rgba(23,43,99,.09);border-radius:16px;padding:20px;border-top:3px solid transparent;transition:transform .2s ease,box-shadow .2s ease}
.network-item:nth-child(1){border-top-color:#2f6bff}
.network-item:nth-child(2){border-top-color:#7b5cff}
.network-item:nth-child(3){border-top-color:#16c6c0}
.network-item:nth-child(4){border-top-color:#ff5d9e}
.network-item:hover{transform:translateY(-4px);box-shadow:0 22px 38px -28px rgba(23,43,99,.9)}
.network-item h3{font-size:15px;margin-bottom:6px}
.network-item p{font-size:13px;color:#5a6780;line-height:1.65}

/* ---------- process ---------- */
.timeline{position:relative;display:grid;gap:16px;max-width:920px}
.timeline::before{content:"";position:absolute;left:19px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,#2f6bff,#7b5cff,#ff5d9e)}
.timeline li{position:relative;padding-left:58px}
.timeline .tl-num{position:absolute;left:0;top:2px;width:40px;height:40px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#fff;background:linear-gradient(135deg,#2f6bff,#7b5cff);box-shadow:0 12px 22px -14px rgba(47,107,255,.9)}
.timeline h3{font-size:16px;margin-bottom:6px}
.timeline p{font-size:14px;color:#4a5872}

/* ---------- cases ---------- */
.case-card{padding:0;overflow:hidden;background:#fff;border:1px solid rgba(23,43,99,.09);border-radius:18px;transition:transform .22s ease,box-shadow .22s ease}
.case-card:hover{transform:translateY(-5px);box-shadow:0 28px 48px -32px rgba(23,43,99,.85)}
.media{display:grid;place-items:center;background:#eef3ff;overflow:hidden}
.media-16x10{aspect-ratio:16/10}
.media-1x1{aspect-ratio:1/1}
.media img{width:100%;height:100%;object-fit:contain}
.case-body{padding:18px 20px 22px}
.case-body h3{font-size:16.5px;margin-bottom:8px}
.case-body p{font-size:13.5px;color:#56637d}
.mini-cases{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:22px}
.mini-cases .media{border-radius:14px;border:1px solid rgba(23,43,99,.09)}

/* ---------- review ---------- */
.review-grid{display:grid;grid-template-columns:320px minmax(0,1fr);gap:24px;align-items:start}
.score-card{background:linear-gradient(160deg,#ffffff,#f3f6ff 70%,#fff2f8);border:1px solid rgba(23,43,99,.1);border-radius:20px;padding:28px;text-align:center;box-shadow:0 26px 46px -34px rgba(23,43,99,.85)}
.stars{font-size:22px;letter-spacing:4px;color:#ff9f43;margin-bottom:10px}
.score-num{font-size:44px;font-weight:800;line-height:1.1;color:#1b3ba8;letter-spacing:-.03em}
.score-num small{font-size:16px;font-weight:600;color:#5a6780}
.score-card p{font-size:13.5px;color:#4a5872;margin-top:10px}
.score-badge{display:inline-block;margin-top:14px;font-size:12.5px;font-weight:800;color:#fff;background:linear-gradient(120deg,#2f6bff,#ff5d9e);border-radius:999px;padding:6px 16px}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:16px;border:1px solid rgba(23,43,99,.1);background:#fff}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:14px}
thead th{background:linear-gradient(120deg,#22357a,#4b3a9e);color:#fff;font-weight:700;text-align:left;padding:14px 16px;white-space:nowrap;font-size:13.5px}
tbody td{padding:13px 16px;border-top:1px solid rgba(23,43,99,.08);color:#42506b;vertical-align:top}
tbody tr:nth-child(even){background:#fafbff}
tbody td:first-child{font-weight:700;color:#16203a;white-space:nowrap}
td.own{color:#1b3ba8;font-weight:600;background:rgba(47,107,255,.06)}

/* ---------- token ---------- */
.token-note{font-size:13px;color:#5a6780;margin-top:12px}

/* ---------- form ---------- */
.match-card{background:linear-gradient(160deg,#ffffff,#f5f8ff 60%,#fff3f9);border:1px solid rgba(23,43,99,.1);border-radius:22px;padding:30px;box-shadow:0 30px 56px -40px rgba(23,43,99,.9)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:20px}
.field{display:flex;flex-direction:column;gap:7px}
.field span{font-size:13px;font-weight:700;color:#25314e}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:14.5px;color:#16203a;background:#fff;border:1px solid rgba(23,43,99,.16);border-radius:12px;padding:12px 14px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#2f6bff;box-shadow:0 0 0 4px rgba(47,107,255,.14)}
.field textarea{resize:vertical;min-height:110px}
.field-full{grid-column:1 / -1}
.form-note{font-size:12.5px;color:#5a6780;margin-top:14px}

/* ---------- knowledge ---------- */
.knowledge-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.wiki-list{display:grid;gap:12px}
.wiki-list li{background:#fff;border:1px solid rgba(23,43,99,.09);border-radius:14px;padding:14px 16px;transition:transform .2s ease,box-shadow .2s ease}
.wiki-list li:hover{transform:translateY(-3px);box-shadow:0 20px 34px -28px rgba(23,43,99,.9)}
.wiki-list strong{display:block;font-size:14.5px;color:#16203a;margin-bottom:4px}
.wiki-list span{font-size:13px;color:#5a6780;line-height:1.62}
.article-list{display:grid;gap:10px}
.article-list li a{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid rgba(23,43,99,.09);border-radius:13px;padding:13px 16px;font-size:14px;font-weight:600;color:#22335c;transition:transform .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease}
.article-list li a:hover{transform:translateX(4px);border-color:rgba(47,107,255,.4);color:#1b3ba8;box-shadow:0 16px 28px -26px rgba(23,43,99,.9)}
.article-list li a::before{content:"";flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#2f6bff,#ff5d9e)}

/* ---------- reviews ---------- */
.review-card{display:flex;flex-direction:column;gap:12px}
.review-stars{font-size:14px;letter-spacing:3px;color:#ff9f43}
.review-card p{font-size:13.5px;color:#42506b;line-height:1.72;flex:1 1 auto}
.review-user{display:flex;align-items:center;gap:10px;border-top:1px dashed rgba(23,43,99,.14);padding-top:12px}
.avatar{width:36px;height:36px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#fff;background:linear-gradient(135deg,#2f6bff,#7b5cff)}
.review-user strong{display:block;font-size:13.5px;color:#16203a}
.review-user span{font-size:12px;color:#64718b}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.faq-item{background:#fff;border:1px solid rgba(23,43,99,.1);border-radius:14px;padding:0 18px;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:rgba(47,107,255,.35);box-shadow:0 20px 36px -30px rgba(23,43,99,.9)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:16px 0;font-size:14.5px;font-weight:700;color:#16203a}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:0 0 auto;font-size:18px;font-weight:700;color:#2f6bff;line-height:1;transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 0 16px;font-size:13.5px;color:#4a5872;line-height:1.72}

/* ---------- partner ---------- */
.partner-card{position:relative;overflow:hidden;border-radius:22px;padding:38px 34px;background:linear-gradient(125deg,#182a6b 0%,#3a2a8f 52%,#8c2c73 100%);box-shadow:0 34px 60px -38px rgba(20,26,70,.95)}
.partner-card::after{content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.28),transparent 70%)}
.partner-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.partner-card h2{color:#fff;font-size:clamp(21px,2.8vw,28px);margin-bottom:10px}
.partner-card p{color:rgba(255,255,255,.88);font-size:14.5px;max-width:640px}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.contact-list{display:grid;gap:10px}
.contact-list li{display:flex;gap:12px;align-items:baseline;background:#fff;border:1px solid rgba(23,43,99,.09);border-radius:13px;padding:13px 16px;font-size:14px;color:#42506b}
.contact-list b{flex:0 0 auto;min-width:82px;font-size:13px;color:#16203a}
.qr-card{background:#fff;border:1px solid rgba(23,43,99,.1);border-radius:18px;padding:22px;text-align:center;box-shadow:0 22px 40px -32px rgba(23,43,99,.9)}
.qr-card img{width:170px;margin:0 auto 12px;border-radius:12px;border:1px solid rgba(23,43,99,.1)}
.qr-card p{font-size:13px;color:#5a6780}

/* ---------- footer ---------- */
.site-footer{margin-top:10px;background:linear-gradient(180deg,#eef2ff,#e6ebff);border-top:1px solid rgba(23,43,99,.1);color:#22335c}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr;gap:30px;padding-top:38px;padding-bottom:26px;align-items:start}
.footer-brand p{font-size:13.5px;color:#41506f;margin-top:14px;max-width:520px}
.footer-logo{max-height:36px;width:auto}
.footer-nav h3,.footer-friend h3{font-size:14px;margin-bottom:12px;color:#16203a}
.footer-nav ul{display:flex;flex-wrap:wrap;gap:8px}
.footer-nav a{display:inline-block;font-size:13px;font-weight:600;color:#2a3a63;background:#fff;border:1px solid rgba(23,43,99,.12);border-radius:999px;padding:6px 14px;transition:color .2s ease,border-color .2s ease,transform .2s ease}
.footer-nav a:hover{color:#1b3ba8;border-color:rgba(47,107,255,.45);transform:translateY(-2px)}
.footer-friend{padding-bottom:22px}
.friend-links{display:flex;flex-wrap:wrap;gap:8px}
.friend-links a{font-size:12.5px;font-weight:600;color:#33456e;background:rgba(255,255,255,.86);border:1px solid rgba(23,43,99,.1);border-radius:8px;padding:5px 12px;transition:color .2s ease,background .2s ease,transform .2s ease}
.friend-links a:hover{color:#fff;background:linear-gradient(120deg,#2f6bff,#7b5cff);transform:translateY(-2px)}
.footer-bottom{border-top:1px solid rgba(23,43,99,.12);padding-top:16px;padding-bottom:22px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center}
.footer-bottom p{font-size:12.5px;color:#41506f}
.footer-bottom a{color:#1b3ba8;font-weight:700}

/* ---------- floating ---------- */
.fab{position:fixed;right:18px;bottom:88px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.fab-panel{display:none;width:230px;background:#fff;border:1px solid rgba(23,43,99,.12);border-radius:16px;padding:16px;box-shadow:0 26px 50px -26px rgba(23,43,99,.9)}
.fab-panel.open{display:block;animation:fadeUp .25s ease both}
.fab-title{font-size:14px;font-weight:800;color:#16203a;margin-bottom:10px}
.fab-qr{width:100%;border-radius:10px;border:1px solid rgba(23,43,99,.1);margin-bottom:10px}
.fab-line{font-size:12.5px;color:#4a5872;margin-bottom:4px;word-break:break-all}
.fab-btn{width:56px;height:56px;border-radius:18px;border:none;cursor:pointer;font-family:inherit;font-size:13px;font-weight:800;color:#fff;background:linear-gradient(135deg,#2f6bff,#7b5cff 60%,#ff5d9e);box-shadow:0 18px 30px -16px rgba(47,107,255,.95);transition:transform .2s ease}
.fab-btn:hover{transform:translateY(-3px)}
.back-top{position:fixed;right:20px;bottom:22px;z-index:90;width:44px;height:44px;border-radius:14px;border:1px solid rgba(23,43,99,.14);background:#fff;color:#1b3ba8;font-size:17px;font-weight:800;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease;box-shadow:0 16px 28px -20px rgba(23,43,99,.9)}
.back-top.show{opacity:1;visibility:visible;transform:none}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s cubic-bezier(.22,.8,.3,1),transform .65s cubic-bezier(.22,.8,.3,1)}
.reveal.in{opacity:1;transform:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- responsive ---------- */
@media (max-width:1040px){
  .nav{position:absolute;left:0;right:0;top:100%;display:none;background:#fff;border-bottom:1px solid rgba(23,43,99,.1);box-shadow:0 26px 40px -30px rgba(23,43,99,.85);padding:8px 20px 16px}
  .nav.open{display:block}
  .nav-links{flex-direction:column;align-items:stretch;justify-content:flex-start}
  .nav-links a{padding:12px 6px;font-size:15px;border-bottom:1px solid rgba(23,43,99,.07);border-radius:0}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .about-grid,.review-grid,.knowledge-grid,.contact-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .network-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mini-cases{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr}
}
@media (max-width:860px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .hero{padding:38px 0 48px}
  .section{padding:46px 0}
  .grid-2,.grid-3,.grid-4,.steps,.network-grid,.mini-cases{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .brand{width:126px}
  .nav-actions .btn-sm{display:none}
  .fab{right:14px;bottom:78px}
  .back-top{right:14px;bottom:18px}
  .partner-card{padding:26px 22px}
  .match-card{padding:22px 18px}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

.reveal{opacity:1 !important;transform:none !important}