*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#1a5cff;
  --primary-dark:#0b3fd0;
  --accent:#00e0c6;
  --accent2:#ff7a3d;
  --ink:#0d1b3e;
  --ink-soft:#3a4a6b;
  --muted:#6b7a99;
  --bg:#f5f8ff;
  --bg2:#eef3ff;
  --line:#e0e8fb;
  --white:#fff;
  --shadow:0 8px 30px rgba(26,92,255,.10);
  --shadow-hover:0 18px 50px rgba(26,92,255,.22);
  --radius:18px;
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:84px 0;position:relative}
.section-head{text-align:center;max-width:760px;margin:0 auto 54px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--primary);background:rgba(26,92,255,.08);padding:6px 16px;border-radius:30px;margin-bottom:16px}
h2{font-size:clamp(24px,3.2vw,38px);line-height:1.3;letter-spacing:-.5px}
h2 .hl{background:linear-gradient(120deg,#1a5cff,#00b4d8);-webkit-background-clip:text;background-clip:text;color:transparent}
.section-head p{color:var(--muted);margin-top:16px;font-size:16px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:40px;font-weight:700;font-size:15px;cursor:pointer;border:none;transition:.28s;white-space:nowrap}
.btn-primary{background:linear-gradient(120deg,#1a5cff,#0086ff);color:#fff;box-shadow:0 10px 26px rgba(26,92,255,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(26,92,255,.5)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-3px)}
.btn-outline{background:#fff;color:var(--primary);border:1.5px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-3px)}
.btn-accent{background:linear-gradient(120deg,#ff7a3d,#ff4d6d);color:#fff;box-shadow:0 10px 26px rgba(255,90,80,.35)}
.btn-accent:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(255,90,80,.5)}

/* NAV */
header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px}
.ai-page-logo{height:40px;width:auto}
.nav-links{display:flex;align-items:center;gap:0;list-style:none}
.nav-links a{display:block;padding:8px 13px;font-size:14px;font-weight:600;color:var(--ink-soft);border-radius:8px;transition:.25s}
.nav-links a:hover{color:var(--primary);background:rgba(26,92,255,.07)}
.nav-cta{margin-left:10px}
.nav-cta .btn{padding:9px 20px;font-size:13.5px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2.5px;background:var(--ink);border-radius:3px;transition:.3s}

/* HERO */
.hero{position:relative;background:radial-gradient(1200px 600px at 80% -10%,#0b3fd0 0%,#1a5cff 40%,#093a9e 100%);color:#fff;overflow:hidden;padding:96px 0 110px}
.hero::before{content:"";position:absolute;inset:0;background:
  linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px) 0 0/56px 56px,
  linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px) 0 0/56px 56px;
  mask-image:radial-gradient(circle at 70% 40%,#000 0%,transparent 75%);-webkit-mask-image:radial-gradient(circle at 70% 40%,#000 0%,transparent 75%)}
.hero-glow{position:absolute;width:520px;height:520px;border-radius:50%;filter:blur(90px);opacity:.55;pointer-events:none}
.hero-glow.g1{background:#00e0c6;top:-180px;right:-80px}
.hero-glow.g2{background:#7a5cff;bottom:-220px;left:-100px;opacity:.4}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:7px 16px;border-radius:30px;font-size:13px;font-weight:600;margin-bottom:24px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}
.hero h1{font-size:clamp(30px,4.6vw,54px);line-height:1.18;letter-spacing:-1px;font-weight:800}
.hero h1 .grad{background:linear-gradient(120deg,#00e0c6,#9dff7a);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin:24px 0 34px;font-size:17px;color:rgba(255,255,255,.85);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:38px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.hstat{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:14px 20px;min-width:120px;transition:.3s}
.hstat:hover{background:rgba(255,255,255,.18);transform:translateY(-4px)}
.hstat b{display:block;font-size:26px;line-height:1.2;background:linear-gradient(120deg,#fff,#a5e8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hstat span{font-size:12.5px;color:rgba(255,255,255,.72)}
.hero-visual{position:relative;display:flex;justify-content:center}
.orbit{position:relative;width:100%;max-width:400px;aspect-ratio:1;display:grid;place-items:center}
.orbit-core{width:150px;height:150px;border-radius:50%;background:linear-gradient(140deg,#00e0c6,#1a5cff);display:grid;place-items:center;font-weight:800;font-size:19px;text-align:center;box-shadow:0 0 60px rgba(0,224,198,.6);position:relative;z-index:3}
.orbit-ring{position:absolute;border:1.5px dashed rgba(255,255,255,.3);border-radius:50%}
.orbit-ring.r1{inset:12%;animation:spin 18s linear infinite}
.orbit-ring.r2{inset:0;animation:spin 26s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.orbit-tag{position:absolute;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(6px);padding:7px 14px;border-radius:30px;font-size:12.5px;font-weight:600;white-space:nowrap;transition:.3s}
.orbit-tag:hover{background:rgba(255,255,255,.28)}
.ot1{top:4%;left:12%}.ot2{top:16%;right:0}.ot3{top:44%;left:-4%}.ot4{bottom:16%;right:2%}.ot5{bottom:2%;left:16%}.ot6{bottom:30%;left:44%}

/* marquee */
.marquee{background:var(--ink);color:rgba(255,255,255,.85);overflow:hidden;padding:16px 0;white-space:nowrap}
.marquee-track{display:inline-flex;gap:44px;animation:scrollx 32s linear infinite;font-size:14.5px;font-weight:600}
.marquee-track span{display:inline-flex;align-items:center;gap:10px}
.marquee-track span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
@keyframes scrollx{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* reveal */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* data cards */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat-card{background:#fff;border-radius:var(--radius);padding:32px 26px;box-shadow:var(--shadow);border:1px solid var(--line);transition:.3s;position:relative;overflow:hidden}
.stat-card::after{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,#1a5cff,#00e0c6)}
.stat-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.stat-card b{font-size:40px;font-weight:800;background:linear-gradient(120deg,#1a5cff,#00b4d8);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;line-height:1.15}
.stat-card span{color:var(--ink-soft);font-weight:600;font-size:15px}
.stat-card p{color:var(--muted);font-size:13.5px;margin-top:6px}

/* services */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{background:#fff;border-radius:var(--radius);padding:30px 28px;border:1px solid var(--line);box-shadow:0 4px 18px rgba(13,27,62,.05);transition:.32s;display:flex;flex-direction:column}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);border-color:rgba(26,92,255,.35)}
.service-ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;background:linear-gradient(135deg,rgba(26,92,255,.12),rgba(0,224,198,.16));color:var(--primary)}
.service-card h3{font-size:18px;margin-bottom:10px}
.service-card p{color:var(--muted);font-size:14.5px;flex:1}
.service-tag{margin-top:16px;font-size:12.5px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.service-tag::after{content:"→";transition:.3s}
.service-card:hover .service-tag::after{transform:translateX(4px)}

/* process */
.process{background:linear-gradient(180deg,#fff,#f0f5ff)}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative}
.step{background:#fff;border-radius:16px;padding:28px 20px;border:1px solid var(--line);text-align:center;transition:.3s;position:relative}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.step-num{width:46px;height:46px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,#1a5cff,#00b4d8);color:#fff;font-weight:800;display:grid;place-items:center;font-size:17px;box-shadow:0 6px 18px rgba(26,92,255,.3)}
.step h4{font-size:15.5px;margin-bottom:8px}
.step p{font-size:13px;color:var(--muted)}

/* table */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
thead th{background:linear-gradient(120deg,#1a5cff,#0086ff);color:#fff;font-weight:700;font-size:15px}
tbody tr{transition:.2s}
tbody tr:hover{background:#f4f8ff}
td:first-child{font-weight:700;color:var(--ink)}
.badge-good{display:inline-flex;align-items:center;gap:5px;background:rgba(0,190,120,.12);color:#00a86b;padding:3px 12px;border-radius:20px;font-size:13px;font-weight:700}
.badge-mid{display:inline-flex;background:rgba(255,160,0,.12);color:#c07b00;padding:3px 12px;border-radius:20px;font-size:13px;font-weight:700}

/* review */
.review-hero{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:center;background:linear-gradient(120deg,#0d1b3e,#1a3a8f);border-radius:24px;padding:44px;color:#fff;margin-bottom:44px;position:relative;overflow:hidden}
.review-hero::before{content:"";position:absolute;width:400px;height:400px;background:radial-gradient(circle,rgba(0,224,198,.4),transparent 70%);top:-150px;right:-100px}
.score-box{position:relative;z-index:2;text-align:center}
.score-num{font-size:72px;font-weight:800;line-height:1;background:linear-gradient(120deg,#00e0c6,#9dff7a);-webkit-background-clip:text;background-clip:text;color:transparent}
.score-num small{font-size:24px;color:rgba(255,255,255,.6);-webkit-text-fill-color:rgba(255,255,255,.6)}
.stars{font-size:26px;color:#ffd24d;letter-spacing:4px;margin:8px 0}
.review-hero h3{font-size:26px;margin-bottom:12px;position:relative;z-index:2}
.review-hero p{color:rgba(255,255,255,.82);font-size:15.5px;position:relative;z-index:2}
.eval-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.eval-item{background:#fff;border-radius:16px;padding:24px;border:1px solid var(--line);transition:.3s}
.eval-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(26,92,255,.3)}
.eval-item .ei-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.eval-item h4{font-size:15.5px}
.eval-item .ei-score{font-weight:800;color:var(--primary);font-size:15px}
.eval-item p{font-size:13.5px;color:var(--muted)}
.bar{height:7px;border-radius:6px;background:#eef3ff;margin-top:14px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,#1a5cff,#00e0c6);width:0;transition:width 1.2s ease}

/* comments */
.comments-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.comment-card{background:#fff;border-radius:var(--radius);padding:28px;border:1px solid var(--line);box-shadow:0 4px 16px rgba(13,27,62,.05);transition:.3s;display:flex;flex-direction:column}
.comment-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.comment-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.avatar{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;font-size:17px;flex-shrink:0}
.comment-top b{display:block;font-size:15px}
.comment-top span{font-size:12.5px;color:var(--muted)}
.comment-stars{color:#ffb400;font-size:14px;letter-spacing:2px;margin-bottom:10px}
.comment-card p{font-size:14.5px;color:var(--ink-soft);flex:1}

/* case */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:0 4px 16px rgba(13,27,62,.05);transition:.32s}
.case-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.case-img{aspect-ratio:16/10;overflow:hidden;background:#eef3ff}
.case-img img{width:100%;height:100%;object-fit:cover;transition:.5s}
.case-card:hover .case-img img{transform:scale(1.06)}
.case-body{padding:22px 24px}
.case-body .cat{font-size:12px;font-weight:700;color:var(--primary);background:rgba(26,92,255,.08);padding:4px 12px;border-radius:20px}
.case-body h3{font-size:17px;margin:12px 0 8px}
.case-body p{font-size:13.5px;color:var(--muted)}

/* tags, sidebar stuff */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.panel{background:#fff;border-radius:var(--radius);padding:34px;border:1px solid var(--line);box-shadow:var(--shadow)}
.panel h3{font-size:21px;margin-bottom:18px}
.panel p{color:var(--ink-soft);font-size:15px;margin-bottom:14px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.tag-cloud span{background:var(--bg2);color:var(--ink-soft);padding:6px 14px;border-radius:30px;font-size:13px;font-weight:600;transition:.25s;cursor:default}
.tag-cloud span:hover{background:var(--primary);color:#fff;transform:translateY(-3px)}
.list-check{list-style:none;margin-top:6px}
.list-check li{padding:9px 0 9px 30px;position:relative;font-size:14.5px;color:var(--ink-soft);border-bottom:1px dashed var(--line)}
.list-check li:last-child{border-bottom:none}
.list-check li::before{content:"✓";position:absolute;left:0;top:9px;width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,#1a5cff,#00e0c6);color:#fff;font-size:12px;display:grid;place-items:center;font-weight:800}

/* price */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.price-card{background:#fff;border-radius:20px;padding:36px 30px;border:1px solid var(--line);transition:.3s;position:relative;display:flex;flex-direction:column}
.price-card.featured{border:2px solid var(--primary);box-shadow:0 20px 50px rgba(26,92,255,.2);transform:scale(1.03)}
.price-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.price-card.featured:hover{transform:scale(1.03) translateY(-8px)}
.price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(120deg,#ff7a3d,#ff4d6d);color:#fff;padding:5px 20px;border-radius:30px;font-size:12.5px;font-weight:700;white-space:nowrap}
.price-card h3{font-size:19px;margin-bottom:8px}
.price-card .price-txt{font-size:38px;font-weight:800;color:var(--primary);line-height:1.2}
.price-card .price-txt small{font-size:14px;color:var(--muted);font-weight:600}
.price-card ul{list-style:none;margin:20px 0 26px;flex:1}
.price-card ul li{font-size:14px;color:var(--ink-soft);padding:7px 0 7px 24px;position:relative}
.price-card ul li::before{content:"•";position:absolute;left:6px;color:var(--primary);font-weight:800}
.price-card .btn{width:100%;justify-content:center}

/* timeline */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(#1a5cff,#00e0c6)}
.tl-item{position:relative;padding-bottom:32px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-32px;top:5px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--primary);box-shadow:0 0 0 4px rgba(26,92,255,.12)}
.tl-item h4{font-size:16px;margin-bottom:6px}
.tl-item p{font-size:14px;color:var(--muted)}

/* network */
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.net-card{background:#fff;border-radius:16px;padding:26px 22px;border:1px solid var(--line);text-align:center;transition:.3s}
.net-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(26,92,255,.3)}
.net-card b{display:block;font-size:17px;margin-bottom:6px}
.net-card span{font-size:13.5px;color:var(--muted)}

/* FAQ */
.faq{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border-radius:14px;margin-bottom:14px;border:1px solid var(--line);overflow:hidden;transition:.3s}
.faq-item:hover{border-color:rgba(26,92,255,.35);box-shadow:0 6px 20px rgba(26,92,255,.08)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font-size:15.5px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;font-family:inherit}
.faq-q .ico{width:26px;height:26px;border-radius:50%;background:rgba(26,92,255,.1);color:var(--primary);display:grid;place-items:center;font-size:18px;flex-shrink:0;transition:.3s;font-weight:800}
.faq-item.open .faq-q .ico{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 24px 20px;font-size:14.5px;color:var(--ink-soft)}

/* articles */
.articles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.article-card{background:#fff;border-radius:16px;padding:26px;border:1px solid var(--line);transition:.3s;display:block}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(26,92,255,.3)}
.article-card .meta{font-size:12.5px;color:var(--primary);font-weight:700;margin-bottom:10px}
.article-card h4{font-size:16px;margin-bottom:8px;line-height:1.5}
.article-card p{font-size:13.5px;color:var(--muted)}

/* form */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:8px;color:var(--ink-soft)}
.field input,.field select,.field textarea{width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;font-size:14.5px;font-family:inherit;background:#f9fbff;transition:.25s;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(26,92,255,.1)}
.field textarea{resize:vertical;min-height:120px}
.contact-info{display:flex;flex-direction:column;gap:16px}
.ci-card{background:#fff;border-radius:14px;padding:22px 24px;border:1px solid var(--line);display:flex;align-items:center;gap:16px;transition:.3s}
.ci-card:hover{transform:translateX(6px);box-shadow:var(--shadow)}
.ci-ico{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,rgba(26,92,255,.12),rgba(0,224,198,.16));display:grid;place-items:center;font-size:20px;flex-shrink:0}
.ci-card b{display:block;font-size:14px}
.ci-card span{font-size:13.5px;color:var(--muted);word-break:break-all}
.qr-box{background:#fff;border-radius:14px;padding:22px;border:1px solid var(--line);text-align:center}
.qr-box img{width:150px;height:150px;object-fit:contain;margin:0 auto 12px;border-radius:10px}
.qr-box b{font-size:14px}
.qr-box span{font-size:12.5px;color:var(--muted);display:block}

/* join */
.join{background:linear-gradient(120deg,#0d1b3e,#12308a);color:#fff;border-radius:28px;padding:56px;position:relative;overflow:hidden;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.join::before{content:"";position:absolute;width:500px;height:500px;background:radial-gradient(circle,rgba(0,224,198,.35),transparent 70%);top:-200px;right:-100px}
.join h2{color:#fff;position:relative;z-index:2}
.join p{color:rgba(255,255,255,.82);margin-top:16px;position:relative;z-index:2;font-size:15.5px}
.join-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;position:relative;z-index:2}
.join-perks{position:relative;z-index:2;display:grid;gap:14px}
.perk{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:18px 20px;transition:.3s}
.perk:hover{background:rgba(255,255,255,.18);transform:translateY(-4px)}
.perk b{font-size:15px;display:block;margin-bottom:4px}
.perk span{font-size:13px;color:rgba(255,255,255,.72)}

/* footer */
footer{background:#0a142e;color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:44px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:#fff;margin-bottom:16px}
.foot-brand img{height:38px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.foot-col a,.foot-col p{display:block;font-size:13.5px;margin-bottom:10px;color:rgba(255,255,255,.62);transition:.25s}
.foot-col a:hover{color:var(--accent);transform:translateX(3px)}
.foot-links{display:flex;flex-wrap:wrap;gap:10px 18px}
.foot-links a{font-size:12.5px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;font-size:12.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:rgba(255,255,255,.45)}

/* floating */
.floaters{position:fixed;right:20px;bottom:26px;z-index:1200;display:flex;flex-direction:column;gap:12px;align-items:center}
.float-btn{width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,#1a5cff,#00b4d8);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:0 10px 26px rgba(26,92,255,.4);transition:.3s;border:none;font-size:22px;position:relative}
.float-btn:hover{transform:translateY(-4px) scale(1.06);box-shadow:0 16px 36px rgba(26,92,255,.55)}
.float-btn .tip{position:absolute;right:66px;top:50%;transform:translateY(-50%);background:var(--ink);color:#fff;padding:7px 14px;border-radius:8px;font-size:12.5px;white-space:nowrap;opacity:0;pointer-events:none;transition:.25s;font-weight:600}
.float-btn:hover .tip{opacity:1}
#toTop{opacity:0;pointer-events:none;background:var(--ink)}
#toTop.show{opacity:1;pointer-events:auto}
.kefu-pop{position:fixed;right:86px;bottom:26px;background:#fff;border-radius:16px;padding:16px;box-shadow:0 20px 50px rgba(13,27,62,.25);z-index:1199;display:none;text-align:center;border:1px solid var(--line)}
.kefu-pop.show{display:block;animation:fadeUp .3s}
.kefu-pop img{width:150px;height:150px;object-fit:contain;margin:0 auto 8px;border-radius:8px}
.kefu-pop b{font-size:13px;display:block}
.kefu-pop span{font-size:12px;color:var(--muted)}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* responsive */
@media(max-width:1080px){
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:14px 20px;gap:4px;box-shadow:0 16px 40px rgba(13,27,62,.14);border-bottom:1px solid var(--line);max-height:calc(100vh - 72px);overflow-y:auto}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;border-radius:10px;width:100%}
  .nav-cta{margin-left:auto;margin-right:16px}
  .nav-cta .btn{display:none}
  .nav-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:-1;max-width:360px;margin:0 auto}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .eval-grid{grid-template-columns:repeat(2,1fr)}
  .comment-card... {}
  .comments-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}
  .price-card.featured{transform:none}
  .price-card.featured:hover{transform:translateY(-8px)}
  .net-grid{grid-template-columns:repeat(2,1fr)}
  .review-hero{grid-template-columns:1fr;text-align:center}
  .contact-grid{grid-template-columns:1fr}
  .join{grid-template-columns:1fr;padding:40px}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .articles-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  section{padding:60px 0}
  .container{padding:0 18px}
  .hero{padding:64px 0 80px}
  .hero-stats{gap:10px}
  .hstat{flex:1 1 40%;padding:12px 16px;min-width:0}
  .hstat b{font-size:22px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat-card{padding:22px 18px}
  .stat-card b{font-size:30px}
  .services-grid,.eval-grid,.comments-grid,.case-grid,.net-grid,.articles-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr;gap:14px}
  .form-row{grid-template-columns:1fr}
  .join{padding:30px 24px;border-radius:20px}
  .floaters{right:14px;bottom:18px}
  .float-btn{width:48px;height:48px;font-size:19px}
  .kefu-pop{right:72px;bottom:18px}
  .foot-grid{grid-template-columns:1fr}
  .review-hero{padding:30px 24px}
  .score-num{font-size:56px}
  .hero-actions .btn{width:100%;justify-content:center}
}