:root{
  --bg:#070b16;
  --bg-2:#0b1224;
  --panel:rgba(18,26,48,.72);
  --panel-solid:#111a30;
  --line:rgba(120,160,255,.18);
  --text:#e8eefc;
  --muted:#9fb0d0;
  --cyan:#22e6ff;
  --violet:#8b5cff;
  --magenta:#ff3fb4;
  --lime:#9dff5c;
  --amber:#ffcc4d;
  --grad:linear-gradient(120deg,#22e6ff 0%,#8b5cff 48%,#ff3fb4 100%);
  --grad-soft:linear-gradient(120deg,rgba(34,230,255,.16),rgba(139,92,255,.16),rgba(255,63,180,.16));
  --radius:16px;
  --shadow:0 10px 40px rgba(10,20,60,.55);
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(900px 500px at 12% -8%,rgba(34,230,255,.18),transparent 60%),
    radial-gradient(800px 520px at 88% 4%,rgba(139,92,255,.20),transparent 62%),
    radial-gradient(700px 500px at 50% 100%,rgba(255,63,180,.12),transparent 60%),
    linear-gradient(180deg,#070b16,#080d1c 40%,#070b16);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(120,160,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,160,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 78%);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
section{padding:76px 0;position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);font-weight:600;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(34,230,255,.35);
  background:rgba(34,230,255,.08);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.sec-head{max-width:820px;margin:0 auto 44px;text-align:center}
.sec-head h2{
  font-size:clamp(24px,3.2vw,38px);line-height:1.3;margin:16px 0 14px;font-weight:800;letter-spacing:.01em;
}
.sec-head p{color:var(--muted);font-size:15.5px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 30px;border-radius:999px;font-size:15.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .28s ease,filter .2s ease;
  white-space:nowrap;line-height:1.2;position:relative;overflow:hidden;
}
.btn-primary{background:var(--grad);color:#050810;box-shadow:0 8px 30px rgba(139,92,255,.45)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 42px rgba(34,230,255,.55);filter:brightness(1.06)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:rgba(140,175,255,.35);color:var(--text)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--cyan);box-shadow:0 10px 30px rgba(34,230,255,.22)}
.btn:active{transform:translateY(0) scale(.98)}

/* ---------- Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  background:rgba(7,11,22,.72);border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ai-page-logo{height:36px;width:auto}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{
  display:inline-block;font-size:14px;color:var(--muted);padding:8px 11px;border-radius:8px;
  transition:color .2s ease,background .2s ease;white-space:nowrap;font-weight:500;
}
.nav-links a:hover,.nav-links a.active{color:var(--cyan);background:rgba(34,230,255,.08)}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-cta .btn{padding:10px 20px;font-size:14px}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text);cursor:pointer;align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--text);position:relative;transition:.25s}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--text);transition:.25s}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.menu-toggle.open span{background:transparent}
.menu-toggle.open span::before{top:0;transform:rotate(45deg)}
.menu-toggle.open span::after{top:0;transform:rotate(-45deg)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:rgba(7,11,22,.98);padding:12px 20px 22px}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:11px 8px;color:var(--muted);font-size:15px;border-radius:8px}
.mobile-panel a:hover{color:var(--cyan);background:rgba(34,230,255,.08)}

/* ---------- Hero (NO IMAGES) ---------- */
.hero{padding:88px 0 70px;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(30px,4.6vw,54px);line-height:1.18;font-weight:900;letter-spacing:.01em;margin:20px 0 20px}
.hero h1 .grad-text{display:inline-block}
.hero-sub{color:var(--muted);font-size:clamp(15px,1.5vw,17.5px);max-width:600px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{
  font-size:12.5px;color:#cfe0ff;padding:6px 13px;border-radius:999px;
  border:1px solid rgba(140,175,255,.24);background:rgba(255,255,255,.03);
  transition:.2s;
}
.chip:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.hero-visual{position:relative;min-height:420px}
.orb{
  position:absolute;border-radius:50%;filter:blur(6px);opacity:.85;animation:float 9s ease-in-out infinite;
}
.orb-1{width:270px;height:270px;left:8%;top:4%;background:radial-gradient(circle at 35% 30%,rgba(34,230,255,.65),rgba(34,230,255,.05) 70%);}
.orb-2{width:220px;height:220px;right:4%;top:26%;background:radial-gradient(circle at 40% 35%,rgba(139,92,255,.7),rgba(139,92,255,.05) 70%);animation-delay:-3s}
.orb-3{width:200px;height:200px;left:26%;bottom:6%;background:radial-gradient(circle at 45% 40%,rgba(255,63,180,.6),rgba(255,63,180,.04) 70%);animation-delay:-6s}
@keyframes float{0%,100%{transform:translateY(0) translateX(0)}50%{transform:translateY(-18px) translateX(8px)}}
.hero-grid-card{
  position:absolute;inset:0;border-radius:24px;border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(20,30,58,.7),rgba(10,16,34,.5));
  display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:22px;
  box-shadow:var(--shadow);backdrop-filter:blur(6px);
}
.hv-item{
  border-radius:14px;border:1px solid rgba(140,175,255,.16);
  background:rgba(255,255,255,.03);padding:16px 14px;display:flex;flex-direction:column;gap:6px;
  transition:.25s;
}
.hv-item:hover{transform:translateY(-4px);border-color:var(--cyan);box-shadow:0 10px 26px rgba(34,230,255,.18)}
.hv-item .num{font-size:22px;font-weight:900}
.hv-item .lbl{font-size:12.5px;color:var(--muted)}
.hv-wide{grid-column:1 / -1}
.hv-bar{height:6px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:4px}
.hv-bar i{display:block;height:100%;border-radius:99px;background:var(--grad);animation:grow 3s ease-in-out infinite alternate}
@keyframes grow{from{width:55%}to{width:92%}}

/* ---------- Data metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  border-radius:var(--radius);border:1px solid var(--line);padding:26px 22px;
  background:var(--panel);position:relative;overflow:hidden;transition:.28s;
}
.metric::after{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:.3s;pointer-events:none}
.metric:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(34,230,255,.4)}
.metric:hover::after{opacity:1}
.metric .m-num{font-size:clamp(26px,3vw,38px);font-weight:900;line-height:1.1}
.metric .m-lbl{margin-top:8px;font-size:14px;color:var(--muted)}

/* ---------- Cards grids ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{
  border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);
  padding:26px 24px;transition:transform .28s ease,box-shadow .3s ease,border-color .25s;
  position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--grad);transition:width .35s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 46px rgba(10,20,60,.6);border-color:rgba(139,92,255,.4)}
.card:hover::before{width:100%}
.card .ico{
  width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--grad-soft);border:1px solid rgba(140,175,255,.25);margin-bottom:16px;
}
.card .ico svg{width:24px;height:24px;stroke:var(--cyan);fill:none;stroke-width:1.7}
.card h3{font-size:18px;margin-bottom:9px;font-weight:800}
.card p{font-size:14px;color:var(--muted);line-height:1.78}
.card .tag-mini{display:inline-block;margin-top:14px;font-size:12px;color:var(--lime)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
  border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);
  padding:26px 22px;position:relative;transition:.28s;
}
.step:hover{transform:translateY(-6px);border-color:rgba(34,230,255,.4);box-shadow:var(--shadow)}
.step .s-num{
  font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--bg);background:var(--grad);
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--muted)}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:10px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),var(--violet),var(--magenta))}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:6px;width:12px;height:12px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(34,230,255,.18);animation:pulse 2.4s infinite;
}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(34,230,255,.18)}50%{box-shadow:0 0 0 8px rgba(34,230,255,.05)}}
.tl-item h4{font-size:16px;margin-bottom:5px}
.tl-item p{font-size:13.5px;color:var(--muted)}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel)}
table{width:100%;border-collapse:collapse;min-width:680px}
thead th{
  text-align:left;font-size:14px;padding:16px 18px;color:#cfe0ff;
  background:linear-gradient(120deg,rgba(34,230,255,.1),rgba(139,92,255,.1));
  border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{padding:15px 18px;font-size:14px;color:var(--muted);border-bottom:1px solid rgba(120,160,255,.09)}
tbody tr:hover td{background:rgba(34,230,255,.04);color:var(--text)}
tbody tr:last-child td{border-bottom:none}
td.hl{color:var(--cyan);font-weight:700}
.badge{display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;background:rgba(157,255,92,.12);color:var(--lime);border:1px solid rgba(157,255,92,.3)}

/* ---------- Compare ---------- */
.compare-hero{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:26px;
}
.cp-card{border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);padding:28px 24px;text-align:center;transition:.3s}
.cp-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.cp-card.main{border-color:rgba(255,63,180,.45);background:linear-gradient(160deg,rgba(139,92,255,.16),rgba(255,63,180,.1))}
.cp-big{font-size:44px;font-weight:900;line-height:1.1}
.cp-sub{font-size:14px;color:var(--muted);margin-top:6px}
.stars{color:var(--amber);letter-spacing:3px;font-size:20px;margin-top:8px}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:var(--panel);overflow:hidden;transition:.25s}
.faq-item:hover{border-color:rgba(34,230,255,.35)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;color:var(--text);font-size:15.5px;font-weight:600;
  padding:18px 22px;display:flex;justify-content:space-between;align-items:center;gap:14px;cursor:pointer;font-family:inherit;
}
.faq-q .plus{
  width:22px;height:22px;flex-shrink:0;position:relative;transition:.3s;
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--cyan);border-radius:2px;top:50%;left:50%;transform:translate(-50%,-50%);
}
.faq-q .plus::before{width:14px;height:2px}
.faq-q .plus::after{width:2px;height:14px;transition:.3s}
.faq-item.open .plus::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted);font-size:14.5px}
.faq-a div{padding:0 22px 20px}

/* ---------- Reviews ---------- */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{
  border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);padding:24px;
  transition:.28s;display:flex;flex-direction:column;gap:12px;
}
.review:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(139,92,255,.4)}
.review .stars{font-size:15px;letter-spacing:2px;margin:0}
.review p{font-size:14px;color:#cddaf3;line-height:1.8}
.rv-user{display:flex;align-items:center;gap:12px;margin-top:auto}
.rv-avatar{
  width:42px;height:42px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;
  color:#060a14;font-weight:900;font-size:16px;flex-shrink:0;
}
.rv-name{font-size:14.5px;font-weight:700}
.rv-role{font-size:12.5px;color:var(--muted)}

/* ---------- Case ---------- */
.case-item{border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);overflow:hidden;transition:.3s}
.case-item:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(34,230,255,.4)}
.case-item img{width:100%;height:220px;object-fit:cover;transition:transform .5s}
.case-item:hover img{transform:scale(1.05)}
.case-body{padding:20px 22px}
.case-body h3{font-size:17px;margin-bottom:8px}
.case-body p{font-size:13.5px;color:var(--muted)}

/* ---------- Articles / Links / Tags ---------- */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article-card{
  border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);padding:22px;transition:.28s;
}
.article-card:hover{transform:translateY(-5px);border-color:var(--cyan);box-shadow:0 14px 36px rgba(34,230,255,.16)}
.article-card .a-tag{font-size:12px;color:var(--violet);font-weight:700;letter-spacing:.06em}
.article-card h3{font-size:16px;margin:8px 0;line-height:1.5}
.article-card p{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tag-cloud a{
  font-size:13.5px;padding:8px 16px;border-radius:999px;border:1px solid var(--line);color:var(--muted);
  background:rgba(255,255,255,.03);transition:.22s;
}
.tag-cloud a:hover{color:var(--cyan);border-color:var(--cyan);transform:translateY(-3px);box-shadow:0 8px 22px rgba(34,230,255,.2)}
.link-list{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.link-list a{font-size:14px;color:var(--muted);padding:9px 18px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.03);transition:.22s}
.link-list a:hover{color:var(--cyan);border-color:var(--cyan);background:rgba(34,230,255,.06)}

/* ---------- Price ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price-card{border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);padding:30px 26px;transition:.3s;position:relative}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.price-card.feature{border-color:rgba(34,230,255,.5);background:linear-gradient(170deg,rgba(34,230,255,.1),rgba(139,92,255,.08))}
.price-card .p-name{font-size:15px;color:var(--cyan);font-weight:700;letter-spacing:.08em}
.price-card .p-val{font-size:38px;font-weight:900;margin:12px 0 4px;line-height:1}
.price-card .p-val small{font-size:14px;font-weight:500;color:var(--muted)}
.price-card ul{margin:18px 0 20px;display:flex;flex-direction:column;gap:9px}
.price-card li{font-size:13.5px;color:var(--muted);padding-left:20px;position:relative}
.price-card li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;background:var(--grad)}

/* ---------- Form ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:36px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:16px}
.ci-item{
  display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border-radius:14px;border:1px solid var(--line);
  background:var(--panel);transition:.25s;
}
.ci-item:hover{border-color:rgba(34,230,255,.4);transform:translateX(4px)}
.ci-item .ci-ico{width:40px;height:40px;border-radius:11px;background:var(--grad-soft);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ci-item .ci-ico svg{width:20px;height:20px;stroke:var(--cyan);fill:none;stroke-width:1.8}
.ci-item h4{font-size:14px;margin-bottom:2px}
.ci-item p{font-size:13.5px;color:var(--muted);word-break:break-all}
.ci-item img{width:120px;border-radius:10px;margin-top:8px}
.form-card{
  border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);padding:32px 30px;
  box-shadow:var(--shadow);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:7px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:13.5px;color:#cfe0ff;font-weight:600}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid rgba(140,175,255,.22);
  background:rgba(7,11,22,.6);color:var(--text);font-size:14px;font-family:inherit;transition:.22s;outline:none;
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,230,255,.14)}
.form-field textarea{resize:vertical;min-height:110px}
.form-field select{cursor:pointer}
.form-field select option{background:#0b1224;color:var(--text)}
form .btn{width:100%;margin-top:6px}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center}

/* ---------- CTA band ---------- */
.cta-band{
  border-radius:24px;border:1px solid rgba(34,230,255,.3);
  background:linear-gradient(120deg,rgba(34,230,255,.16),rgba(139,92,255,.18),rgba(255,63,180,.14));
  padding:52px 40px;text-align:center;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-120px;top:-160px;
  background:radial-gradient(circle,rgba(34,230,255,.35),transparent 70%);pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,3vw,34px);margin-bottom:14px;font-weight:900}
.cta-band p{color:#c9d7f3;max-width:640px;margin:0 auto 26px;font-size:15px}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);padding:56px 0 30px;background:rgba(5,8,16,.6);margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
.foot-brand p{font-size:13.5px;color:var(--muted);margin-top:14px;line-height:1.8}
.foot-col h4{font-size:15px;margin-bottom:16px;color:#dbe7ff}
.foot-col a,.foot-col p{display:block;font-size:13.5px;color:var(--muted);margin-bottom:10px;transition:.2s;word-break:break-all}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}
.foot-links{font-size:13.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 16px;line-height:2}

/* ---------- Floating ---------- */
.floating{position:fixed;right:20px;bottom:26px;z-index:200;display:flex;flex-direction:column;gap:12px}
.float-btn{
  width:52px;height:52px;border-radius:50%;border:1px solid rgba(34,230,255,.4);
  background:rgba(11,18,36,.92);backdrop-filter:blur(8px);color:var(--cyan);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.25s;
  box-shadow:0 8px 24px rgba(0,0,0,.4);
}
.float-btn:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(34,230,255,.35);background:rgba(34,230,255,.15)}
.float-btn svg{width:24px;height:24px;fill:none;stroke:var(--cyan);stroke-width:1.8}
.kefu-pop{
  position:fixed;right:84px;bottom:26px;z-index:201;width:220px;padding:14px;border-radius:16px;
  background:rgba(11,18,36,.98);border:1px solid var(--line);box-shadow:var(--shadow);display:none;
}
.kefu-pop.show{display:block;animation:fadeIn .25s ease}
.kefu-pop img{width:100%;border-radius:10px;margin-bottom:8px}
.kefu-pop p{font-size:12.5px;color:var(--muted);text-align:center}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ---------- Media ---------- */
.media-showcase{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.media-showcase img{width:100%;border-radius:var(--radius);border:1px solid var(--line);transition:.35s;aspect-ratio:16/10;object-fit:cover}
.media-showcase img:hover{transform:scale(1.02);box-shadow:var(--shadow)}

.network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.net-item{padding:20px;border-radius:14px;border:1px solid var(--line);background:var(--panel);text-align:center;transition:.25s}
.net-item:hover{border-color:var(--cyan);transform:translateY(-4px)}
.net-item strong{display:block;font-size:16px;margin-bottom:4px}
.net-item span{font-size:12.5px;color:var(--muted)}

@media(max-width:1080px){
  .nav-links{display:none}
  .nav-cta .btn-ghost{display:none}
  .menu-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-visual{min-height:360px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .reviews{grid-template-columns:1fr 1fr}
  .article-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .network-grid{grid-template-columns:repeat(2,1fr)}
  .compare-hero{grid-template-columns:1fr}
}
@media(max-width:680px){
  section{padding:54px 0}
  .hero{padding:52px 0 40px}
  .metrics{grid-template-columns:1fr 1fr}
  .grid-3,.grid-2,.reviews,.article-grid,.media-showcase{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .nav-cta .btn-primary{display:none}
  .hero-visual{min-height:300px}
  .hero-grid-card{position:relative;inset:auto}
  .cta-band{padding:36px 22px}
}