:root{
  --ink:#0d1a33;
  --ink-2:#3c4b6b;
  --ink-3:#6b7893;
  --brand:#2f5bff;
  --brand-2:#00b4e6;
  --accent:#ff4d6d;
  --line:#dde7fb;
  --card:#ffffff;
  --shadow-sm:0 4px 16px rgba(24,56,120,.06);
  --shadow-md:0 16px 38px rgba(24,56,120,.12);
  --radius:18px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.7;color:var(--ink);
  background-color:#f4f8ff;
  background-image:
    radial-gradient(940px 560px at 6% -4%, rgba(47,91,255,.13), rgba(47,91,255,0) 62%),
    radial-gradient(760px 500px at 98% 4%, rgba(0,180,230,.14), rgba(0,180,230,0) 62%),
    radial-gradient(900px 640px at 50% 102%, rgba(255,77,109,.07), rgba(255,77,109,0) 66%),
    linear-gradient(180deg,#f4f8ff 0%, #ffffff 36%, #f3f8ff 72%, #e9f1ff 100%);
  background-repeat:no-repeat;
}
img{max-width:100%}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:var(--brand);text-decoration:none}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}

/* ---------- 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 .25s ease,background .25s ease,color .25s ease;font-family:inherit}
.btn-primary{background:linear-gradient(120deg,#2f5bff,#00b4e6);color:#fff;box-shadow:0 12px 26px rgba(47,91,255,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(47,91,255,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{transform:translateY(-2px);border-color:#b9cdfd;color:var(--brand);box-shadow:0 12px 26px rgba(24,56,120,.1)}
.btn-light{background:#fff;color:#123;box-shadow:0 12px 26px rgba(0,0,0,.16)}
.btn-light:hover{transform:translateY(-2px)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-block{width:100%}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(221,231,251,.9)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px}
.brand{display:flex;align-items:center;flex:0 0 auto;max-width:150px}
.brand .ai-page-logo{display:block;max-height:42px;width:auto;object-fit:contain}
.header-right{display:flex;align-items:center;gap:12px;min-width:0}
.main-nav{min-width:0}
.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;flex-wrap:nowrap}
.nav-links a{display:block;padding:9px 11px;font-size:14px;font-weight:500;color:#3d4a63;border-radius:9px;white-space:nowrap;transition:color .2s ease,background .2s ease}
.nav-links a:hover{color:var(--brand);background:#eef3ff}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;flex:0 0 auto}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .2s ease}
.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)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 76px}
.hero-bg{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(47,91,255,.075) 1px,transparent 1px),linear-gradient(90deg,rgba(47,91,255,.075) 1px,transparent 1px);background-size:58px 58px;-webkit-mask-image:radial-gradient(circle at 32% 24%, #000 0%, rgba(0,0,0,.35) 46%, transparent 76%);mask-image:radial-gradient(circle at 32% 24%, #000 0%, rgba(0,0,0,.35) 46%, transparent 76%)}
.hero-orb{position:absolute;border-radius:50%;pointer-events:none;filter:blur(2px)}
.hero-orb.o1{width:300px;height:300px;right:-80px;top:-60px;background:radial-gradient(circle at 34% 34%, rgba(0,180,230,.34), rgba(0,180,230,0) 68%);animation:drift 16s ease-in-out infinite}
.hero-orb.o2{width:260px;height:260px;left:-90px;bottom:-80px;background:radial-gradient(circle at 60% 40%, rgba(47,91,255,.26), rgba(47,91,255,0) 70%);animation:drift 20s ease-in-out infinite reverse}
@keyframes drift{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(-26px,22px,0)}}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:6px 15px;border-radius:999px;background:rgba(47,91,255,.08);border:1px solid rgba(47,91,255,.18);color:#2445c9;font-size:13px;font-weight:600}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(47,91,255,.15)}
.hero h1{font-size:clamp(30px,4.3vw,50px);line-height:1.16;margin:20px 0 0}
.hero h1 .hl{color:var(--brand)}
.hero-lead{margin-top:18px;font-size:17px;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags li{padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);box-shadow:var(--shadow-sm)}
.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.metric-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 18px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c8d9fd}
.metric-value{font-size:30px;font-weight:800;line-height:1.1;color:var(--brand)}
.metric-value.alt{color:#00a8d6}
.metric-value.warm{color:var(--accent)}
.metric-value.dark{color:#123c9c}
.metric-label{margin-top:8px;font-size:14px;color:var(--ink-3);line-height:1.5}

/* ---------- section base ---------- */
.section{padding:clamp(48px,7vw,82px) 0}
.section-head{max-width:800px;margin:0 auto 42px;text-align:center}
.section-tag{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--brand);text-transform:uppercase}
.section-head h2{font-size:clamp(23px,2.9vw,34px);margin:10px 0 14px;line-height:1.3}
.section-head p{color:var(--ink-2);font-size:16px}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.about-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.about-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#c8d9fd}
.about-card h3{font-size:17px;margin-bottom:10px}
.about-card p{font-size:14.5px;color:var(--ink-2)}
.dot-icon{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eaf1ff,#e2f7ff);color:var(--brand);margin-bottom:16px}
.dot-icon svg{width:21px;height:21px}

/* ---------- services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.svc-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.svc-card::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,#2f5bff,#00b4e6);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.svc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#c8d9fd}
.svc-card:hover::after{transform:scaleX(1)}
.svc-icon{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef4ff,#e0f7ff);color:var(--brand);margin-bottom:16px}
.svc-icon svg{width:22px;height:22px}
.svc-card h3{font-size:16.5px;margin-bottom:8px}
.svc-card p{font-size:14px;color:var(--ink-2);line-height:1.65}

/* ---------- workflow ---------- */
.flow-wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.flow-step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.flow-step:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.flow-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,#2f5bff,#00b4e6);color:#fff;font-size:15px;font-weight:800;margin-bottom:14px}
.flow-step h3{font-size:16px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--ink-2)}
.flow-extra{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.flow-extra li{padding:8px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-2);box-shadow:var(--shadow-sm)}

/* ---------- solutions ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.sol-card{background:linear-gradient(180deg,#ffffff,#f8fbff);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.sol-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.sol-card h3{font-size:17px;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.sol-card h3::before{content:"";width:8px;height:8px;border-radius:3px;background:linear-gradient(135deg,#2f5bff,#00b4e6);flex:0 0 auto}
.sol-card p{font-size:14.5px;color:var(--ink-2)}

/* ---------- network ---------- */
.net-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.net-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.net-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.net-card h3{font-size:16px;margin-bottom:8px;color:#123c9c}
.net-card p{font-size:14px;color:var(--ink-2)}

/* ---------- process timeline ---------- */
.timeline{position:relative;max-width:860px;margin:0 auto;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,#2f5bff,#00b4e6,#e6eeff)}
.tl-item{position:relative;padding:0 0 26px 0}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-33px;top:6px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(47,91,255,.12)}
.tl-item h3{font-size:17px;margin-bottom:6px}
.tl-item p{font-size:15px;color:var(--ink-2)}
.tl-item .tl-tag{display:inline-block;margin-left:10px;font-size:12px;font-weight:600;color:var(--brand);background:rgba(47,91,255,.08);border-radius:999px;padding:2px 10px;vertical-align:middle}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.case-media{aspect-ratio:4/3;background:#eef3fd;overflow:hidden}
.case-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.case-card:hover .case-media img{transform:scale(1.04)}
.case-body{padding:20px 22px 24px}
.case-body h3{font-size:17px;margin-bottom:8px}
.case-body p{font-size:14.5px;color:var(--ink-2)}

/* ---------- compare ---------- */
.rating-card{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:26px;background:linear-gradient(120deg,#eef4ff,#e6f8ff);border:1px solid #cfe0ff;border-radius:var(--radius);padding:26px 28px;margin-bottom:26px}
.rating-score{display:flex;align-items:baseline;gap:6px;font-size:44px;font-weight:800;color:#123c9c;line-height:1}
.rating-score span{font-size:17px;font-weight:600;color:var(--ink-3)}
.rating-stars{font-size:20px;letter-spacing:3px;color:#ffb020}
.rating-text{margin-top:6px;font-size:14px;color:var(--ink-2)}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}
table{width:100%;min-width:680px;border-collapse:collapse;font-size:15px}
thead th{background:#f2f7ff;color:#0d1a33;font-size:14px;font-weight:800;text-align:left;padding:15px 18px;white-space:nowrap;border-bottom:1px solid #e3ebfa}
tbody td{padding:14px 18px;border-bottom:1px solid #eef3fc;color:var(--ink-2);vertical-align:top}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:#fafcff}
tbody td.best{color:#123c9c;font-weight:600;background:rgba(47,91,255,.045)}
thead th.best{color:#123c9c;background:#e6efff}

/* ---------- token ---------- */
.price-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.price-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr) minmax(0,1fr);gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.price-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c8d9fd}
.price-name{font-weight:700;color:#123c9c;font-size:15px}
.price-desc{font-size:14px;color:var(--ink-2)}
.price-note{font-size:13.5px;font-weight:600;color:#0b8f5f;text-align:right}
.price-foot{margin-top:22px;text-align:center;font-size:14px;color:var(--ink-3)}

/* ---------- help / wiki ---------- */
.help-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm)}
.panel h3{font-size:18px;margin-bottom:16px}
.help-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed #e8eefb;font-size:14.5px;color:var(--ink-2)}
.help-list li:last-child{border-bottom:none;padding-bottom:0}
.help-list li::before{content:"";flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#2f5bff,#00b4e6);margin-top:9px}
.wiki-item{padding:10px 0;border-bottom:1px dashed #e8eefb}
.wiki-item:last-child{border-bottom:none;padding-bottom:0}
.wiki-item strong{display:block;font-size:15px;color:#123c9c;margin-bottom:4px}
.wiki-item span{font-size:14px;color:var(--ink-2)}

/* ---------- news ---------- */
.news-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.news-item{display:flex;align-items:center;justify-content:space-between;gap:18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 22px;box-shadow:var(--shadow-sm);color:var(--ink);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c8d9fd}
.news-item .news-title{font-size:15.5px;font-weight:600}
.news-item .news-more{flex:0 0 auto;font-size:13.5px;color:var(--brand);font-weight:700}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease}
.review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.review-stars{color:#ffb020;font-size:15px;letter-spacing:2px;margin-bottom:12px}
.review-text{font-size:14.5px;color:var(--ink-2);flex:1}
.review-user{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid #eef3fc}
.avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:#fff;background:linear-gradient(135deg,#2f5bff,#00b4e6);flex:0 0 auto}
.avatar.a2{background:linear-gradient(135deg,#ff7a59,#ff4d6d)}
.avatar.a3{background:linear-gradient(135deg,#00b4e6,#0bd6a4)}
.avatar.a4{background:linear-gradient(135deg,#7a5cff,#b14dff)}
.avatar.a5{background:linear-gradient(135deg,#ff9f1c,#ff6b00)}
.avatar.a6{background:linear-gradient(135deg,#0f9b8e,#2f5bff)}
.review-name{font-size:14.5px;font-weight:700;color:var(--ink)}
.review-role{font-size:13px;color:var(--ink-3)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.faq-item.open{border-color:#c0d3fd;box-shadow:var(--shadow-md)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 20px;background:none;border:0;font-family:inherit;font-size:16px;font-weight:700;color:var(--ink);text-align:left;cursor:pointer;transition:color .2s ease}
.faq-q:hover{color:var(--brand)}
.faq-q::after{content:"+";font-size:22px;line-height:1;font-weight:400;color:var(--brand);flex:0 0 auto;transition:transform .3s ease}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 20px 18px;font-size:14.5px;color:var(--ink-2)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:24px;align-items:start}
.contact-list li{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed #e8eefb;font-size:14.5px}
.contact-list li:last-child{border-bottom:none}
.cl-key{color:var(--ink-3);flex:0 0 auto}
.cl-val{color:var(--ink);font-weight:600;text-align:right;word-break:break-all}
.cl-val a{color:var(--brand);font-weight:600}
.qr-box{margin-top:20px;display:flex;align-items:center;gap:16px;background:#f5f9ff;border:1px solid #e2ecfd;border-radius:14px;padding:14px}
.qr-box img{width:104px;height:auto;border-radius:10px;display:block;background:#fff}
.qr-box span{font-size:14px;color:var(--ink-2)}
.lead-form{display:grid;gap:16px}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field > span{font-size:14px;font-weight:600;color:#22314d}
.field em{color:var(--accent);font-style:normal;margin-left:2px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid #dbe5f7;border-radius:11px;font-size:14.5px;font-family:inherit;color:var(--ink);background:#fbfdff;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#9db8ff;background:#fff;box-shadow:0 0 0 4px rgba(47,91,255,.1)}
.form-tip{font-size:13px;color:var(--ink-3);text-align:center}

/* ---------- partner ---------- */
.partner-box{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:32px;align-items:center;background:linear-gradient(125deg,#10205a,#1b3ea8 55%,#0b7fa8);border-radius:22px;padding:clamp(28px,4vw,44px);box-shadow:0 24px 50px rgba(16,32,90,.28)}
.partner-tag{display:inline-block;padding:5px 14px;border-radius:999px;background:rgba(255,255,255,.16);color:#dbe8ff;font-size:12.5px;font-weight:700;letter-spacing:.08em}
.partner-box h2{color:#fff;font-size:clamp(21px,2.6vw,29px);margin:14px 0 12px;line-height:1.32}
.partner-box p{color:#c8d8f7;font-size:15px;margin-bottom:22px}
.partner-list{display:grid;gap:12px}
.partner-list li{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:13px;padding:13px 16px}
.partner-list strong{display:block;color:#fff;font-size:14.5px;margin-bottom:3px;font-weight:700}
.partner-list span{color:#c2d3f5;font-size:13.5px}

/* ---------- footer ---------- */
.site-footer{background:#0b1530;color:#cdd8ee;padding:46px 0 26px;margin-top:8px}
.footer-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:32px;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand img{max-height:40px;width:auto;display:block}
.footer-brand strong{color:#fff;font-size:17px;letter-spacing:.01em}
.footer-desc{font-size:14px;color:#a9b9d8;max-width:420px}
.footer-contact{margin-top:14px;font-size:14px;color:#a9b9d8;line-height:1.9}
.footer-contact a{color:#7fb2ff}
.footer-links-title{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:14px}
.friend-links{display:flex;flex-wrap:wrap;gap:10px}
.friend-links a{display:block;padding:6px 13px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);font-size:13px;color:#b9c9e8;transition:background .2s ease,color .2s ease,border-color .2s ease}
.friend-links a:hover{background:rgba(47,91,255,.32);border-color:rgba(127,178,255,.5);color:#fff}
.footer-bottom{padding-top:20px;font-size:13px;color:#8195b8;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}

/* ---------- float tools ---------- */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:80;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.float-btn{width:52px;height:52px;border-radius:50%;border:0;background:linear-gradient(140deg,#2f5bff,#00b4e6);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 26px rgba(47,91,255,.34);cursor:pointer;transition:transform .22s ease,box-shadow .22s ease}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 18px 32px rgba(47,91,255,.4)}
.float-btn svg{width:24px;height:24px}
#toTop{opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .22s ease}
#toTop.show{opacity:1;visibility:visible}
.kf-panel{position:absolute;right:0;bottom:64px;width:206px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:0 20px 44px rgba(24,56,120,.2);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease}
.kf-panel.show{opacity:1;visibility:visible;transform:none}
.kf-panel img{display:block;width:100%;height:auto;border-radius:10px;background:#f2f7ff}
.kf-panel p{margin-top:9px;font-size:13px;text-align:center;color:var(--ink-2)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .65s ease,transform .65s cubic-bezier(.22,.61,.36,1)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .svc-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .net-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 34px rgba(24,56,120,.14);display:none;padding:10px 20px 18px}
  .main-nav.open{display:block}
  .nav-links{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0}
  .nav-links a{padding:12px 12px;font-size:15px;border-radius:10px}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:34px}
  .hero-lead{max-width:none}
  .about-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-wrap{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sol-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .help-grid{grid-template-columns:minmax(0,1fr)}
  .contact-grid{grid-template-columns:minmax(0,1fr)}
  .partner-box{grid-template-columns:minmax(0,1fr);gap:24px}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:24px}
  .price-row{grid-template-columns:minmax(0,1fr)}
  .price-note{text-align:left}
}
@media (max-width:760px){
  .hero{padding:44px 0 56px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .metric-value{font-size:26px}
  .svc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .about-grid{grid-template-columns:minmax(0,1fr)}
  .flow-wrap{grid-template-columns:minmax(0,1fr)}
  .sol-grid{grid-template-columns:minmax(0,1fr)}
  .net-grid{grid-template-columns:minmax(0,1fr)}
  .case-grid{grid-template-columns:minmax(0,1fr)}
  .review-grid{grid-template-columns:minmax(0,1fr)}
  .form-row{grid-template-columns:minmax(0,1fr)}
  .hero-actions .btn{flex:1 1 auto}
  .news-item{flex-direction:column;align-items:flex-start;gap:6px}
  .rating-card{gap:16px}
  .rating-score{font-size:36px}
}
@media (max-width:420px){
  .svc-grid{grid-template-columns:minmax(0,1fr)}
  .metric-grid{grid-template-columns:minmax(0,1fr)}
  .float-tools{right:12px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

.reveal{opacity:1;transform:none}