*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:92px}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;color:#14162a;
  background-color:#fbfbfd;
  background-image:
    radial-gradient(900px 480px at 6% -4%,rgba(224,53,79,.12),transparent 62%),
    radial-gradient(820px 460px at 96% 2%,rgba(59,167,240,.14),transparent 60%),
    radial-gradient(760px 520px at 50% 24%,rgba(124,58,237,.07),transparent 66%),
    radial-gradient(820px 520px at 4% 60%,rgba(18,160,106,.10),transparent 62%),
    radial-gradient(860px 520px at 96% 88%,rgba(232,114,28,.11),transparent 62%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:#1c5fd0}
h1,h2,h3,h4{margin:0;line-height:1.35;color:#14162a;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:200;background:rgba(251,251,253,.9);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid rgba(20,22,42,.08)}
@supports not (backdrop-filter:blur(1px)){.site-header{background:#fbfbfd}}
.header-inner{display:flex;align-items:center;gap:18px;min-height:68px;position:relative}
.brand{display:flex;align-items:center;margin-right:auto;text-decoration:none;flex:0 0 auto}
.ai-page-logo{display:block;width:auto;max-height:38px;max-width:100%}
.main-nav{display:flex;align-items:center}
.nav-links{display:flex;align-items:center;gap:0;margin:0;padding:0;list-style:none;flex-wrap:nowrap}
.nav-links li a{display:block;padding:9px 10px;font-size:14px;line-height:1.4;color:#3a3f52;text-decoration:none;border-radius:10px;white-space:nowrap;transition:color .2s,background .2s}
.nav-links li a:hover{color:#14162a;background:rgba(59,167,240,.12)}
.nav-links li a:focus-visible{outline:2px solid #2563eb;outline-offset:2px}
.header-cta{padding:9px 18px;font-size:14px}
.nav-toggle{display:none;width:44px;height:38px;border-radius:10px;border:1px solid rgba(20,22,42,.14);background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#14162a;transition:transform .25s,opacity .25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:12px;font-size:15px;font-weight:700;font-family:inherit;line-height:1.4;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .28s ease,background-position .5s ease,background-color .2s,border-color .2s}
.btn-primary{color:#fff;background:linear-gradient(100deg,#e0354f 0%,#e8721c 30%,#12a06a 62%,#2563eb 84%,#7c3aed 100%);background-size:200% 100%;box-shadow:0 14px 28px -14px rgba(37,99,235,.85)}
.btn-primary:hover{transform:translateY(-2px);background-position:100% 0;box-shadow:0 20px 36px -16px rgba(124,58,237,.7)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{color:#14162a;background:#fff;border-color:rgba(20,22,42,.16)}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(37,99,235,.5);box-shadow:0 14px 28px -20px rgba(20,22,42,.6)}
.btn:focus-visible{outline:2px solid #2563eb;outline-offset:3px}

/* ---------- hero ---------- */
.hero{padding:60px 0 68px;position:relative;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;color:#3a3f52;background:#fff;border:1px solid rgba(20,22,42,.09);box-shadow:0 6px 18px -14px rgba(20,22,42,.6)}
.hero-eyebrow::before{content:"";width:9px;height:9px;border-radius:50%;background:conic-gradient(#e0354f,#e8721c,#12a06a,#2563eb,#7c3aed,#e0354f)}
.hero h1{font-size:clamp(29px,4.2vw,48px);line-height:1.24;margin:20px 0 16px;letter-spacing:-.02em}
.hero h1 .hl{background:linear-gradient(180deg,transparent 56%,rgba(255,201,60,.62) 56%);padding:0 .06em}
.hero-sub{font-size:16.5px;color:#4b5568;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 22px}
.hero-points{display:grid;gap:8px;font-size:15px;color:#3a3f52}
.hero-points li{display:flex;align-items:flex-start;gap:9px}
.hero-points li::before{content:"";flex:0 0 auto;width:16px;height:16px;margin-top:5px;border-radius:50%;background:linear-gradient(135deg,#12a06a,#3ba7f0);box-shadow:inset 0 0 0 4px #fbfbfd}

.hero-panel{position:relative;z-index:0}
.hero-panel::before{content:"";position:absolute;inset:-16px;border-radius:32px;background:linear-gradient(135deg,rgba(224,53,79,.20),rgba(232,114,28,.16),rgba(18,160,106,.16),rgba(37,99,235,.20),rgba(124,58,237,.20));filter:blur(26px);z-index:-1;animation:glowPulse 7s ease-in-out infinite}
@keyframes glowPulse{0%,100%{opacity:.55}50%{opacity:.95}}
.panel-card{background:#fff;border:1px solid rgba(20,22,42,.09);border-radius:20px;padding:22px;box-shadow:0 26px 50px -34px rgba(20,22,42,.65)}
.panel-head{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:#14162a;margin-bottom:14px}
.panel-head .dot{width:9px;height:9px;border-radius:50%;background:#12a06a;box-shadow:0 0 0 4px rgba(18,160,106,.14)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.stat{background:#fff;border:1px solid rgba(20,22,42,.09);border-radius:16px;padding:14px 10px;text-align:center}
.stat strong{display:block;font-size:24px;font-weight:800;line-height:1.2;color:#14162a}
.stat span{display:block;font-size:12px;color:#5b6070;margin-top:2px}
.stat:nth-child(1) strong{color:#c92a44}
.stat:nth-child(2) strong{color:#0f8a5b}
.stat:nth-child(3) strong{color:#2563eb}

/* ---------- chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;padding:5px 11px;border-radius:999px;font-size:13px;color:#3a3f52;background:#f4f6fb;border:1px solid rgba(20,22,42,.07);transition:transform .2s,background .2s,border-color .2s,color .2s}
.chip:hover{background:#fff;border-color:rgba(37,99,235,.45);color:#14162a;transform:translateY(-2px)}

/* ---------- sections ---------- */
.section{padding:66px 0}
.section-head{max-width:820px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:#4b5568;background:#fff;border:1px solid rgba(20,22,42,.09);padding:5px 13px;border-radius:999px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#e0354f,#e8721c,#12a06a,#2563eb)}
.section-head h2{font-size:clamp(23px,3.2vw,33px);margin:14px 0 10px}
.section-head p{font-size:15.5px;color:#5b6070}

/* ---------- cards & grids ---------- */
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{position:relative;background:#fff;border:1px solid rgba(20,22,42,.08);border-radius:16px;padding:22px 20px;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 22px 42px -28px rgba(20,22,42,.65);border-color:rgba(37,99,235,.35)}
.card h3{font-size:18px;margin-bottom:8px}
.card p{font-size:14.5px;color:#5b6070}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.tags span{font-size:12px;padding:3px 9px;border-radius:999px;background:#f4f6fb;color:#4b5568;border:1px solid rgba(20,22,42,.06)}

/* about */
.about-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:20px;align-items:start}
.about-main{padding:26px 24px}
.about-main h3{font-size:19px;margin-bottom:12px}
.about-main p{color:#4b5568;font-size:15px}
.tick-list{display:grid;gap:11px;margin-top:18px}
.tick-list li{position:relative;padding-left:26px;font-size:14.5px;color:#3a3f52}
.tick-list li::before{content:"";position:absolute;left:0;top:7px;width:15px;height:15px;border-radius:50%;background:linear-gradient(135deg,#12a06a,#3ba7f0)}
.tick-list li::after{content:"";position:absolute;left:5px;top:11px;width:5px;height:8px;border-right:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(40deg)}
.about-side{display:grid;gap:14px}
.mini-card{background:#fff;border:1px solid rgba(20,22,42,.08);border-radius:14px;padding:16px 18px;transition:transform .25s,box-shadow .25s,border-color .25s}
.mini-card:hover{transform:translateY(-3px);box-shadow:0 18px 34px -26px rgba(20,22,42,.65);border-color:rgba(124,58,237,.3)}
.mini-card h3{font-size:15px;margin-bottom:4px}
.mini-card p{font-size:13.5px;color:#5b6070;line-height:1.65}

/* service cards */
.svc-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--ac,#2563eb);border-radius:16px 16px 0 0}
.svc-card:nth-child(1){--ac:linear-gradient(90deg,#e0354f,#e8721c)}
.svc-card:nth-child(2){--ac:linear-gradient(90deg,#e8721c,#ffc93c)}
.svc-card:nth-child(3){--ac:linear-gradient(90deg,#ffc93c,#12a06a)}
.svc-card:nth-child(4){--ac:linear-gradient(90deg,#12a06a,#3ba7f0)}
.svc-card:nth-child(5){--ac:linear-gradient(90deg,#3ba7f0,#7c3aed)}
.svc-card:nth-child(6){--ac:linear-gradient(90deg,#7c3aed,#e0354f)}

/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.flow-item{position:relative;background:#fff;border:1px solid rgba(20,22,42,.08);border-radius:16px;padding:20px 18px 20px 24px;overflow:hidden;transition:transform .25s,box-shadow .25s}
.flow-item:hover{transform:translateY(-3px);box-shadow:0 20px 38px -28px rgba(20,22,42,.65)}
.flow-item::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;background:linear-gradient(180deg,#2563eb,#7c3aed)}
.flow-item:nth-child(1)::before{background:linear-gradient(180deg,#e0354f,#e8721c)}
.flow-item:nth-child(2)::before{background:linear-gradient(180deg,#e8721c,#ffc93c)}
.flow-item:nth-child(3)::before{background:linear-gradient(180deg,#12a06a,#3ba7f0)}
.flow-item:nth-child(4)::before{background:linear-gradient(180deg,#2563eb,#7c3aed)}
.flow-item h3{font-size:16px;margin-bottom:6px}
.flow-item p{font-size:14px;color:#5b6070}
.model-box{margin-top:20px;background:#fff;border:1px solid rgba(20,22,42,.08);border-radius:18px;padding:22px}
.model-box h3{font-size:16px;margin-bottom:12px}

/* network */
.net-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.net-card{background:#fff;border:1px solid rgba(20,22,42,.08);border-radius:16px;padding:22px 20px;transition:transform .25s,box-shadow .25s}
.net-card:hover{transform:translateY(-4px);box-shadow:0 22px 42px -28px rgba(20,22,42,.65)}
.net-card h3{font-size:17px;margin-bottom:8px}
.net-card p{font-size:14.5px;color:#5b6070}
.region-line{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px}

/* timeline */
.timeline{position:relative;padding-left:28px;display:grid;gap:14px}
.timeline::before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;border-radius:2px;background:linear-gradient(180deg,#e0354f,#e8721c,#12a06a,#2563eb,#7c3aed)}
.tl-item{position:relative;background:#fff;border:1px solid rgba(20,22,42,.08);border-radius:14px;padding:16px 18px;transition:transform .25s,box-shadow .25s}
.tl-item:hover{transform:translateX(3px);box-shadow:0 18px 34px -28px rgba(20,22,42,.7)}
.tl-item::before{content:"";position:absolute;left:-25px;top:22px;width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid #2563eb;box-sizing:border-box}
.tl-item:nth-child(1)::before{border-color:#e0354f}
.tl-item:nth-child(2)::before{border-color:#e8721c}
.tl-item:nth-child(3)::before{border-color:#12a06a}
.tl-item:nth-child(4)::before{border-color:#2563eb}
.tl-item:nth-child(5)::before{border-color:#7c3aed}
.tl-item h3{font-size:16px;margin-bottom:5px}
.tl-item p{font-size:14.5px;color:#5b6070}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-card{background:#fff;border:1px solid rgba(20,22,42,.08);border-radius:16px;overflow:hidden;transition:transform .28s,box-shadow .28s,border-color .28s}
.case-card:hover{transform:translateY(-4px);box-shadow:0 22px 44px -28px rgba(20,22,42,.65);border-color:rgba(37,99,235,.32)}
.case-media{aspect-ratio:4/3;background:#f5f6fa;display:flex;align-items:center;justify-content:center;padding:10px}
.case-media img{display:block;width:100%;height:100%;object-fit:contain}
.case-body{padding:16px 18px 18px}
.case-body h3{font-size:16px;margin-bottom:5px}
.case-body p{font-size:14px;color:#5b6070}

/* quotes */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote-card{margin:0;background:#fff;border:1px solid rgba(20,22,42,.08);border-radius:16px;padding:22px 20px;display:flex;flex-direction:column;gap:14px;transition:transform .28s,box-shadow .28s}
.quote-card:hover{transform:translateY(-4px);box-shadow:0 22px 44px -28px rgba(20,22,42,.6)}
.quote-card blockquote{margin:0;font-size:14.5px;color:#3a3f52;line-height:1.78}
.quote-card blockquote::before{content:"“";display:block;font-size:34px;line-height:.7;color:#2563eb;font-weight:800;margin-bottom:6px}
.quote-card figcaption{margin-top:auto;font-size:13px;color:#5b6070;border-top:1px dashed rgba(20,22,42,.12);padding-top:12px}
.quote-card figcaption strong{color:#14162a;font-weight:700}

/* review */
.review-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px;align-items:start}
.rate-box{background:#fff;border:1px solid rgba(20,22,42,.08);border-radius:18px;padding:26px 24px;position:relative;overflow:hidden}
.rate-box::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,#e0354f,#e8721c,#ffc93c,#12a06a,#3ba7f0,#7c3aed)}
.rate-score{font-size:52px;font-weight:800;line-height:1.05;color:#14162a;letter-spacing:-.03em}
.rate-score span{font-size:20px;color:#7a8093;font-weight:700}
.rate-meta{margin-top:6px;font-size:15px;font-weight:700;color:#c92a44;letter-spacing:.12em}
.rate-box p{margin-top:12px;font-size:14px;color:#5b6070}
.rate-list{margin-top:16px;display:grid;gap:8px}
.rate-list li{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;color:#3a3f52;border-bottom:1px dashed rgba(20,22,42,.1);padding-bottom:6px}
.rate-list li:last-child{border-bottom:none;padding-bottom:0}
.rate-list b{color:#0f8a5b;font-weight:700;white-space:nowrap}

/* table */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid rgba(20,22,42,.08);border-radius:16px;background:#fff}
table{width:100%;border-collapse:collapse;min-width:660px;font-size:14.5px}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(20,22,42,.07);vertical-align:top}
thead th{background:#f6f7fc;color:#14162a;font-weight:700;white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafbff}
td:first-child{font-weight:700;color:#14162a;white-space:nowrap}
td.good{color:#0f8a5b;font-weight:700}
.table-note{margin-top:12px;font-size:13px;color:#7a8093}

/* form */
.form-wrap{padding:28px 26px}
.demand-form{display:block}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field{display:flex;flex-direction:column;gap:7px;font-size:14px;color:#3a3f52}
.field>span{font-weight:700;color:#14162a}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:14.5px;color:#14162a;background:#f8f9fd;border:1px solid rgba(20,22,42,.14);border-radius:11px;padding:11px 13px;transition:border-color .2s,background .2s,box-shadow .2s}
.field input::placeholder,.field textarea::placeholder{color:#9aa0b0}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;background:#fff;border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.field textarea{resize:vertical;min-height:110px}
.field-full{grid-column:1/-1}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px}
.form-hint{font-size:13px;color:#7a8093}

/* help / wiki / news */
.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.help-card{background:#fff;border:1px solid rgba(20,22,42,.08);border-radius:14px;padding:18px 20px;transition:transform .25s,box-shadow .25s,border-color .25s}
.help-card:hover{transform:translateY(-3px);box-shadow:0 18px 34px -28px rgba(20,22,42,.7);border-color:rgba(18,160,106,.35)}
.help-card h3{font-size:15px;margin-bottom:5px}
.help-card p{font-size:14px;color:#5b6070}
.wiki-list{display:grid;gap:12px}
.wiki-item{display:grid;grid-template-columns:132px 1fr;gap:14px;align-items:start;background:#fff;border:1px solid rgba(20,22,42,.08);border-radius:14px;padding:16px 18px}
.wiki-item dt{font-weight:800;font-size:14.5px;color:#14162a}
.wiki-item dd{margin:0;font-size:14px;color:#5b6070}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.news-card{display:block;background:#fff;border:1px solid rgba(20,22,42,.08);border-radius:14px;padding:16px 18px;text-decoration:none;transition:transform .25s,box-shadow .25s,border-color .25s}
.news-card:hover{transform:translateY(-3px);box-shadow:0 18px 34px -28px rgba(20,22,42,.7);border-color:rgba(37,99,235,.35)}
.news-card strong{display:block;font-size:15px;color:#14162a;margin-bottom:4px}
.news-card span{font-size:13px;color:#7a8093}
.friend-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.friend-links a{display:inline-flex;align-items:center;padding:6px 13px;border-radius:999px;font-size:13.5px;color:#3a3f52;text-decoration:none;background:#fff;border:1px solid rgba(20,22,42,.09);transition:transform .2s,border-color .2s,color .2s}
.friend-links a:hover{transform:translateY(-2px);border-color:rgba(124,58,237,.45);color:#14162a}

/* faq */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid rgba(20,22,42,.08);border-radius:14px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item[open]{border-color:rgba(37,99,235,.4);box-shadow:0 18px 36px -30px rgba(20,22,42,.8)}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 52px 16px 20px;font-size:15px;font-weight:700;color:#14162a;position:relative;transition:color .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";position:absolute;right:20px;top:50%;width:9px;height:9px;border-right:2px solid #2563eb;border-bottom:2px solid #2563eb;transform:translateY(-70%) rotate(45deg);transition:transform .25s}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item summary:hover{color:#1c5fd0}
.faq-item p{padding:0 20px 18px;font-size:14.5px;color:#5b6070}

/* partner */
.partner-box{position:relative;background:#fff;border:1px solid rgba(20,22,42,.08);border-radius:20px;padding:30px 28px;overflow:hidden}
.partner-box::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:linear-gradient(180deg,#e0354f,#e8721c,#ffc93c,#12a06a,#3ba7f0,#7c3aed)}
.partner-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:start}
.partner-inner h2{font-size:clamp(22px,3vw,30px);margin:14px 0 10px}
.partner-inner p{font-size:15px;color:#5b6070}
.partner-side{display:grid;gap:12px}
.partner-side .mini-card{border-left:3px solid transparent}
.partner-side .mini-card:nth-child(1){border-left-color:#e0354f}
.partner-side .mini-card:nth-child(2){border-left-color:#12a06a}
.partner-side .mini-card:nth-child(3){border-left-color:#2563eb}
.partner-cta{margin-top:20px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:start}
.contact-list{display:grid;gap:14px}
.contact-row{display:grid;grid-template-columns:96px 1fr;gap:12px;align-items:baseline;font-size:14.5px}
.contact-row dt{color:#7a8093;font-size:13.5px}
.contact-row dd{margin:0;color:#14162a;font-weight:600;word-break:break-all}
.contact-row dd a{color:#1c5fd0;text-decoration:none}
.contact-row dd a:hover{text-decoration:underline}
.qr-card{text-align:center}
.qr-media{width:100%;max-width:220px;margin:0 auto 12px;border-radius:14px;overflow:hidden;background:#f5f6fa;border:1px solid rgba(20,22,42,.08);padding:8px}
.qr-media img{display:block;width:100%;height:auto}
.qr-card p{font-size:13.5px;color:#5b6070}

/* footer */
.site-footer{background:#14162a;color:#c9ccd8;padding:44px 0 0;margin-top:20px;border-top:4px solid transparent;border-image:linear-gradient(90deg,#e0354f,#e8721c,#ffc93c,#12a06a,#3ba7f0,#7c3aed) 1}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:28px;padding-bottom:28px}
.footer-name{font-size:19px;font-weight:800;color:#fff;margin-bottom:10px;letter-spacing:.02em}
.footer-brand p{font-size:13.5px;color:#9aa1b8;line-height:1.75}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:12px;font-weight:700}
.footer-col ul{display:grid;gap:8px}
.footer-col li{font-size:13.5px;color:#9aa1b8}
.footer-col a{color:#c9ccd8;text-decoration:none;transition:color .2s}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:16px 0 20px;font-size:12.5px;color:#8d93a8;text-align:center}

/* float service & back top */
.float-service{position:fixed;right:18px;bottom:86px;z-index:300;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.float-toggle{width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;color:#fff;font-size:13px;font-weight:800;letter-spacing:.04em;background:linear-gradient(135deg,#e0354f,#7c3aed);box-shadow:0 16px 30px -14px rgba(124,58,237,.9);transition:transform .22s,box-shadow .22s;font-family:inherit}
.float-toggle:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 20px 36px -14px rgba(224,53,79,.8)}
.service-panel{width:238px;background:#fff;border:1px solid rgba(20,22,42,.1);border-radius:16px;padding:16px;box-shadow:0 26px 50px -24px rgba(20,22,42,.6);animation:panelIn .22s ease}
@keyframes panelIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.service-item{display:grid;gap:4px;font-size:13px;color:#5b6070;padding:8px 0;border-bottom:1px dashed rgba(20,22,42,.1)}
.service-item:last-child{border-bottom:none;padding-bottom:0}
.service-item:first-child{padding-top:0}
.service-item strong{font-size:13.5px;color:#14162a}
.service-item img{width:132px;height:auto;display:block;margin:6px auto 0;border-radius:10px;border:1px solid rgba(20,22,42,.08)}
.back-top{position:fixed;right:18px;bottom:24px;z-index:300;width:46px;height:46px;border-radius:50%;border:1px solid rgba(20,22,42,.14);background:#fff;color:#14162a;font-size:17px;font-weight:800;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s,transform .25s,visibility .25s,box-shadow .25s;font-family:inherit}
.back-top.show{opacity:1;visibility:visible;transform:none;box-shadow:0 14px 26px -18px rgba(20,22,42,.8)}
.back-top:hover{box-shadow:0 18px 32px -18px rgba(20,22,42,.85)}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}
.reveal.visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav-links li a{padding:9px 8px;font-size:13.5px}
}
@media (max-width:980px){
  .nav-toggle{display:flex}
  .main-nav{position:absolute;left:0;right:0;top:100%;display:none;background:#fff;border-bottom:1px solid rgba(20,22,42,.1);box-shadow:0 22px 40px -28px rgba(20,22,42,.6);padding:10px 0}
  .main-nav.open{display:block;animation:navIn .22s ease}
  @keyframes navIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;padding:0 14px}
  .nav-links li a{padding:12px 10px;font-size:15px}
  .header-cta{padding:8px 14px;font-size:13px}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero{padding:44px 0 56px}
  .hero-sub{max-width:none}
  .about-grid,.review-wrap,.partner-inner,.contact-grid{grid-template-columns:1fr}
  .grid-3,.case-grid,.quote-grid,.net-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:640px){
  .section{padding:48px 0}
  .hero{padding:36px 0 46px}
  .hero-actions{gap:10px}
  .btn{width:100%;padding:12px 18px}
  .header-cta{width:auto}
  .grid-3,.grid-2,.case-grid,.quote-grid,.net-grid,.help-grid,.news-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr 1fr;gap:8px}
  .stat strong{font-size:20px}
  .wiki-item{grid-template-columns:1fr;gap:4px}
  .contact-row{grid-template-columns:1fr;gap:2px}
  .footer-grid{grid-template-columns:1fr}
  .float-service{right:12px;bottom:78px}
  .back-top{right:12px;bottom:18px}
  .service-panel{width:210px}
  .partner-box,.form-wrap,.about-main{padding:22px 18px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .hero-panel::before{animation:none}
  .flow-item:hover,.card:hover,.case-card:hover,.quote-card:hover,.mini-card:hover,.help-card:hover,.news-card:hover,.tl-item:hover{transform:none}
}

.reveal{opacity:1;transform:none}