:root{
  --blue:#1450ff;
  --cyan:#00e0ff;
  --pink:#ff2d78;
  --orange:#ff7a00;
  --yellow:#ffd400;
  --dark:#0b1030;
  --dark2:#131a44;
  --ink:#1a1f3c;
  --gray:#5b6280;
  --light:#f4f6ff;
  --line:#e4e8f7;
  --radius:18px;
  --shadow:0 12px 32px rgba(20,40,120,.10);
  --shadow-lg:0 24px 60px rgba(20,40,120,.18);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.7;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
section{padding:88px 0}
.section-head{text-align:center;max-width:820px;margin:0 auto 52px}
.tag{display:inline-block;padding:6px 16px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:16px}
.tag.blue{background:rgba(20,80,255,.1);color:var(--blue)}
.tag.pink{background:rgba(255,45,120,.1);color:var(--pink)}
.tag.orange{background:rgba(255,122,0,.12);color:var(--orange)}
h2.section-title{font-size:clamp(26px,3.4vw,40px);line-height:1.25;font-weight:800;letter-spacing:.5px}
h2.section-title em{font-style:normal;color:var(--blue)}
h2.section-title .pk{color:var(--pink)}
.section-desc{margin-top:16px;color:var(--gray);font-size:16px}

/* ============ NAV ============ */
header.nav{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
header.nav.scrolled{box-shadow:0 6px 24px rgba(20,40,120,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-brand img{height:40px;width:auto}
.nav-brand .brand-txt{font-weight:900;font-size:19px;color:var(--dark);letter-spacing:1px;white-space:nowrap}
.nav-brand .brand-txt span{color:var(--blue)}
.nav-links{display:flex;align-items:center;gap:0}
.nav-links a{padding:10px 11px;font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap;border-radius:8px;transition:color .2s,background .2s}
.nav-links a:hover{color:var(--blue);background:rgba(20,80,255,.07)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:999px;font-weight:700;font-size:15px;cursor:pointer;border:none;transition:transform .2s,box-shadow .25s,background .25s;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(120deg,var(--blue),#3b7bff);color:#fff;box-shadow:0 10px 24px rgba(20,80,255,.35)}
.btn-primary:hover{box-shadow:0 14px 30px rgba(20,80,255,.5);transform:translateY(-2px)}
.btn-pink{background:linear-gradient(120deg,var(--pink),#ff5c95);color:#fff;box-shadow:0 10px 24px rgba(255,45,120,.35)}
.btn-pink:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,45,120,.5)}
.btn-ghost{background:#fff;color:var(--blue);border:2px solid var(--blue)}
.btn-ghost:hover{background:var(--blue);color:#fff}
.btn-yellow{background:var(--yellow);color:var(--dark);box-shadow:0 10px 24px rgba(255,212,0,.4)}
.btn-yellow:hover{transform:translateY(-2px)}
.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(--dark);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ============ HERO ============ */
.hero{position:relative;background:radial-gradient(1200px 600px at 80% -10%,rgba(0,224,255,.22),transparent 60%),radial-gradient(900px 500px at 0% 100%,rgba(255,45,120,.18),transparent 55%),linear-gradient(140deg,#0a1030 0%,#101a52 55%,#0b1030 100%);color:#fff;padding:96px 0 100px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 85%)}
.hero-blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;animation:float 9s ease-in-out infinite}
.hero-blob.b1{width:340px;height:340px;background:var(--blue);top:-80px;right:6%}
.hero-blob.b2{width:280px;height:280px;background:var(--pink);bottom:-90px;left:4%;animation-delay:2s}
.hero-blob.b3{width:200px;height:200px;background:var(--cyan);top:38%;right:26%;animation-delay:4s;opacity:.35}
@keyframes float{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-26px) scale(1.06)}}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:52px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;background:rgba(0,224,255,.12);border:1px solid rgba(0,224,255,.4);color:#8ff4ff;font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:24px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 rgba(0,224,255,.7);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,224,255,.7)}70%{box-shadow:0 0 0 12px rgba(0,224,255,0)}100%{box-shadow:0 0 0 0 rgba(0,224,255,0)}}
.hero h1{font-size:clamp(32px,4.6vw,56px);line-height:1.18;font-weight:900;letter-spacing:1px}
.hero h1 .g1{background:linear-gradient(90deg,#00e0ff,#5aa0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 .g2{background:linear-gradient(90deg,#ff2d78,#ff9a3c);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin:24px 0 10px;font-size:17px;color:#c6cdf2;max-width:600px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 32px}
.hero-chips span{padding:6px 16px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);font-size:13px;color:#dfe5ff}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-actions .btn{padding:15px 34px;font-size:16px}
.hero-note{margin-top:22px;font-size:13px;color:#9aa6d6}
.hero-note b{color:var(--yellow)}

/* hero right data cards */
.hero-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hcard{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:22px 20px;backdrop-filter:blur(6px);transition:transform .3s,border-color .3s}
.hcard:hover{transform:translateY(-6px);border-color:rgba(0,224,255,.5)}
.hcard .num{font-size:32px;font-weight:900;background:linear-gradient(90deg,#fff,#9fd8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hcard .num small{font-size:16px;font-weight:700;color:var(--cyan);-webkit-text-fill-color:var(--cyan)}
.hcard .lbl{font-size:13px;color:#aab4e0;margin-top:4px}
.hcard.wide{grid-column:1/-1;display:flex;align-items:center;gap:14px}
.hcard.wide .icon{width:44px;height:44px;flex-shrink:0;border-radius:12px;background:linear-gradient(135deg,var(--pink),var(--orange));display:flex;align-items:center;justify-content:center;font-size:20px}
.hcard.wide .txt b{display:block;font-size:15px;color:#fff}
.hcard.wide .txt span{font-size:12.5px;color:#aab4e0}

/* ============ metrics strip ============ */
.metrics{background:linear-gradient(90deg,var(--blue),#6a3bff 45%,var(--pink));color:#fff}
.metrics .container{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:44px 20px}
.metric{text-align:center}
.metric .m-num{font-size:clamp(26px,3vw,38px);font-weight:900}
.metric .m-num small{font-size:16px}
.metric .m-lbl{font-size:14px;opacity:.9;margin-top:4px}

/* ============ about ============ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-text h2{text-align:left}
.about-text p{color:var(--gray);margin-top:18px;font-size:15.5px}
.about-feats{margin-top:28px;display:grid;gap:14px}
.about-feats li{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.check{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:rgba(20,80,255,.1);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;margin-top:2px}
.check.pk{background:rgba(255,45,120,.1);color:var(--pink)}
.about-visual{display:grid;gap:18px}
.about-visual .imgwrap{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.about-visual .imgwrap img{width:100%;transition:transform .5s}
.about-visual .imgwrap:hover img{transform:scale(1.04)}
.about-visual .duo{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.about-visual .duo .imgwrap img{aspect-ratio:1/1;object-fit:cover}
.model-cloud{margin-top:56px;background:var(--light);border-radius:var(--radius);padding:34px;text-align:center}
.model-cloud h3{font-size:20px;font-weight:800;margin-bottom:6px}
.model-cloud p{color:var(--gray);font-size:14px;margin-bottom:20px}
.tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tags span{padding:7px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13.5px;font-weight:600;color:var(--ink);transition:.25s}
.tags span:hover{background:var(--blue);color:#fff;border-color:var(--blue);transform:translateY(-2px)}

/* ============ services ============ */
.services{background:var(--light)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc-card{background:#fff;border-radius:var(--radius);padding:30px 26px;border:1px solid var(--line);transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden}
.svc-card::after{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--blue),var(--cyan));transform:scaleX(0);transform-origin:left;transition:transform .35s}
.svc-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.svc-card:hover::after{transform:scaleX(1)}
.svc-ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;background:rgba(20,80,255,.1)}
.svc-card:nth-child(3n+2) .svc-ico{background:rgba(255,45,120,.1)}
.svc-card:nth-child(3n) .svc-ico{background:rgba(255,122,0,.12)}
.svc-card h3{font-size:18px;font-weight:800;margin-bottom:10px}
.svc-card p{font-size:14px;color:var(--gray)}

/* ============ make / scenarios ============ */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scene{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px;transition:.28s;cursor:default}
.scene:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(20,80,255,.35)}
.scene h4{font-size:15px;font-weight:800;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.scene h4 .d{width:8px;height:8px;border-radius:50%;background:var(--blue);flex-shrink:0}
.scene:nth-child(4n+2) h4 .d{background:var(--pink)}
.scene:nth-child(4n+3) h4 .d{background:var(--orange)}
.scene:nth-child(4n) h4 .d{background:var(--cyan)}
.scene p{font-size:13px;color:var(--gray)}

/* ============ industry ============ */
.industry{background:linear-gradient(160deg,#0b1030,#151f5c);color:#fff}
.industry .section-desc{color:#b9c2ec}
.ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ind-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);padding:28px 24px;transition:.3s}
.ind-card:hover{background:rgba(255,255,255,.09);transform:translateY(-6px);border-color:rgba(0,224,255,.45)}
.ind-card .emoji{font-size:30px;margin-bottom:14px}
.ind-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.ind-card p{font-size:13.5px;color:#b9c2ec}

/* ============ network ============ */
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.net-card{text-align:center;padding:28px 18px;border-radius:var(--radius);background:var(--light);border:1px solid var(--line);transition:.3s}
.net-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.net-card .n-ico{font-size:30px;margin-bottom:10px}
.net-card h4{font-size:15.5px;font-weight:800;margin-bottom:6px}
.net-card p{font-size:13px;color:var(--gray)}

/* ============ process timeline ============ */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative}
.step{text-align:center;position:relative}
.step .s-num{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:900;box-shadow:0 10px 22px rgba(20,80,255,.3);transition:.3s}
.step:nth-child(2n) .s-num{background:linear-gradient(135deg,var(--pink),var(--orange));box-shadow:0 10px 22px rgba(255,45,120,.3)}
.step:hover .s-num{transform:translateY(-5px) rotate(-4deg)}
.step h4{font-size:16px;font-weight:800;margin-bottom:6px}
.step p{font-size:13px;color:var(--gray)}
.step::after{content:"›";position:absolute;right:-14px;top:16px;font-size:26px;color:var(--line);font-weight:900}
.step:last-child::after{display:none}

/* ============ case ============ */
.case{background:var(--light)}
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.case-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:.3s;display:flex;flex-direction:column}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case-card .c-img{aspect-ratio:16/9;overflow:hidden}
.case-card .c-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-card:hover .c-img img{transform:scale(1.05)}
.case-card .c-body{padding:24px 26px}
.case-card .c-tag{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;background:rgba(20,80,255,.1);color:var(--blue);margin-bottom:12px}
.case-card h3{font-size:18px;font-weight:800;margin-bottom:8px}
.case-card p{font-size:14px;color:var(--gray)}
.case-card .c-meta{margin-top:14px;font-size:13px;color:var(--blue);font-weight:700}

/* ============ compare ============ */
.compare-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
table.compare{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
table.compare th,table.compare td{padding:18px 20px;font-size:14.5px;text-align:left;border-bottom:1px solid var(--line)}
table.compare thead th{background:linear-gradient(120deg,var(--dark),var(--dark2));color:#fff;font-weight:800;font-size:15px}
table.compare thead th.hl{background:linear-gradient(120deg,var(--blue),var(--pink))}
table.compare tbody tr:hover{background:rgba(20,80,255,.04)}
table.compare td.hl{background:rgba(20,80,255,.05);font-weight:700;color:var(--blue)}
table.compare .yes{color:#0aa06e;font-weight:800}
table.compare .no{color:#c4c9d8}
.rating-box{display:flex;flex-wrap:wrap;gap:24px;justify-content:center;align-items:center;margin-top:40px;background:linear-gradient(120deg,var(--yellow),#ffe469);border-radius:var(--radius);padding:30px 36px;color:var(--dark);box-shadow:0 16px 40px rgba(255,212,0,.35)}
.rating-score{font-size:52px;font-weight:900;line-height:1}
.rating-score small{font-size:20px;font-weight:700}
.rating-stars{font-size:26px;color:var(--orange);letter-spacing:3px}
.rating-desc{font-size:15px;font-weight:700}
.rating-desc span{display:block;font-size:13px;font-weight:600;color:#6b5c00;margin-top:2px}

/* ============ token pricing ============ */
.token{background:linear-gradient(160deg,#0b1030,#1a2560);color:#fff}
.token .section-desc{color:#b9c2ec}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:44px}
.price-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:32px 28px;position:relative;transition:.3s}
.price-card:hover{transform:translateY(-6px);border-color:rgba(0,224,255,.5);background:rgba(255,255,255,.09)}
.price-card.hot{border-color:var(--yellow);box-shadow:0 0 0 2px rgba(255,212,0,.4)}
.price-card .hot-tag{position:absolute;top:-13px;left:28px;background:var(--yellow);color:var(--dark);font-size:12px;font-weight:800;padding:4px 14px;border-radius:999px}
.price-card h3{font-size:18px;font-weight:800;margin-bottom:6px}
.price-card .p-sub{font-size:13px;color:#aab4e0;margin-bottom:18px}
.price-card .p-amount{font-size:34px;font-weight:900;color:#fff}
.price-card .p-amount small{font-size:14px;color:#aab4e0;font-weight:600}
.price-card ul{margin:20px 0 26px;display:grid;gap:10px}
.price-card ul li{font-size:13.5px;color:#d4dbf7;display:flex;gap:8px}
.price-card ul li::before{content:"✓";color:var(--cyan);font-weight:900}
.price-card .btn{width:100%}
.token-table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid rgba(255,255,255,.14)}
table.token-tb{width:100%;border-collapse:collapse;min-width:640px;background:rgba(255,255,255,.03)}
table.token-tb th,table.token-tb td{padding:15px 18px;font-size:14px;text-align:left;border-bottom:1px solid rgba(255,255,255,.1);color:#d4dbf7}
table.token-tb th{background:rgba(255,255,255,.07);color:#fff;font-weight:800}
table.token-tb td.save{color:var(--yellow);font-weight:800}

/* ============ reviews ============ */
.reviews{background:var(--light)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:#fff;border-radius:var(--radius);padding:28px 26px;border:1px solid var(--line);transition:.3s;display:flex;flex-direction:column}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.review-stars{color:var(--orange);font-size:15px;letter-spacing:2px;margin-bottom:14px}
.review-card p{font-size:14.5px;color:var(--ink);flex:1}
.review-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px dashed var(--line)}
.review-ava{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex-shrink:0}
.review-card:nth-child(2n) .review-ava{background:linear-gradient(135deg,var(--pink),var(--orange))}
.review-card:nth-child(3n) .review-ava{background:linear-gradient(135deg,var(--orange),var(--yellow));color:var(--dark)}
.review-user b{display:block;font-size:14.5px}
.review-user span{font-size:12.5px;color:var(--gray)}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.3s}
.faq-item.open{border-color:rgba(20,80,255,.4);box-shadow:var(--shadow)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 56px 20px 24px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;position:relative;font-family:inherit;transition:color .2s}
.faq-q:hover{color:var(--blue)}
.faq-q::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:24px;font-weight:400;color:var(--blue);transition:transform .3s}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 24px}
.faq-a p{padding-bottom:22px;font-size:14.5px;color:var(--gray)}

/* ============ articles ============ */
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.article-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 22px;transition:.3s}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,45,120,.35)}
.article-card .a-date{font-size:12.5px;color:var(--gray);margin-bottom:10px}
.article-card h4{font-size:16px;font-weight:800;margin-bottom:8px;line-height:1.5}
.article-card p{font-size:13.5px;color:var(--gray)}
.article-banner{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-bottom:44px}
.article-banner .imgwrap{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.article-banner .imgwrap img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:.5s}
.article-banner .imgwrap:hover img{transform:scale(1.04)}

/* ============ form ============ */
.contact{background:linear-gradient(150deg,#0b1030,#1c2a6e);color:#fff}
.contact .section-desc{color:#b9c2ec}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}
.contact-info h3{font-size:22px;font-weight:800;margin-bottom:18px}
.contact-info p{font-size:14.5px;color:#c3cbf0;margin-bottom:22px}
.contact-list{display:grid;gap:16px}
.contact-list li{display:flex;gap:14px;align-items:flex-start}
.contact-list .c-ico{width:40px;height:40px;border-radius:11px;background:rgba(0,224,255,.14);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.contact-list b{display:block;font-size:14.5px;color:#fff}
.contact-list span{font-size:13.5px;color:#aab4e0;word-break:break-all}
.qr-box{display:flex;gap:18px;align-items:center;margin-top:26px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:16px}
.qr-box img{width:110px;height:110px;object-fit:cover;border-radius:10px;background:#fff}
.qr-box .qr-txt b{display:block;font-size:14.5px;margin-bottom:4px}
.qr-box .qr-txt span{font-size:13px;color:#aab4e0}
.form-card{background:#fff;border-radius:var(--radius);padding:36px 32px;color:var(--ink);box-shadow:0 24px 60px rgba(0,0,0,.3)}
.form-card h3{font-size:20px;font-weight:800;margin-bottom:6px}
.form-card .f-sub{font-size:13.5px;color:var(--gray);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px;color:var(--ink)}
.form-group label .req{color:var(--pink)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit;color:var(--ink);background:#fff;transition:.2s;outline:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(20,80,255,.12)}
.form-group textarea{resize:vertical;min-height:96px}
.form-card .btn{width:100%;padding:15px;font-size:16px;margin-top:6px}

/* ============ agent ============ */
.agent{background:var(--light)}
.agent-inner{background:linear-gradient(120deg,var(--blue),var(--pink));border-radius:24px;padding:56px 48px;color:#fff;display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center;box-shadow:0 24px 60px rgba(20,80,255,.28)}
.agent-inner h2{font-size:clamp(24px,3vw,34px);font-weight:900;margin-bottom:16px}
.agent-inner p{font-size:15px;color:rgba(255,255,255,.9);margin-bottom:24px}
.agent-feats{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.agent-feats span{padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.18);font-size:13.5px;font-weight:600}
.agent-visual{text-align:center}
.agent-visual .big{font-size:52px;font-weight:900;line-height:1.1}
.agent-visual .big small{font-size:18px}
.agent-visual .cap{font-size:13.5px;color:rgba(255,255,255,.85);margin-top:6px}

/* ============ footer ============ */
footer.site-footer{background:#080c24;color:#9aa4cf;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px}
.footer-brand .fb-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .fb-logo img{height:40px;width:auto}
.footer-brand .fb-logo b{font-size:18px;color:#fff;letter-spacing:1px}
.footer-brand p{font-size:13.5px;line-height:1.8;color:#8b95c2}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col ul li,.footer-col ul li a{font-size:13.5px;color:#9aa4cf;transition:.2s}
.footer-col ul li a:hover{color:var(--cyan)}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 16px}
.footer-links a{font-size:13px;color:#9aa4cf;transition:.2s}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#7a84b0}
.footer-bottom a{color:#9aa4cf}
.footer-bottom a:hover{color:var(--cyan)}

/* ============ float ============ */
.float-btns{position:fixed;right:22px;bottom:30px;z-index:900;display:flex;flex-direction:column;gap:12px}
.float-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;cursor:pointer;border:none;box-shadow:0 10px 24px rgba(20,40,120,.3);transition:.28s;color:#fff;position:relative}
.float-btn:hover{transform:translateY(-4px) scale(1.06)}
.float-btn.kf{background:linear-gradient(135deg,var(--pink),var(--orange))}
.float-btn.top{background:linear-gradient(135deg,var(--blue),#3b7bff);opacity:0;pointer-events:none}
.float-btn.top.show{opacity:1;pointer-events:auto}
.kf-pop{position:absolute;right:66px;bottom:0;width:230px;background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);padding:18px;color:var(--ink);display:none;text-align:center}
.kf-pop.show{display:block;animation:fadeUp .3s ease}
.kf-pop img{width:100%;border-radius:10px;margin-bottom:10px}
.kf-pop b{display:block;font-size:14px;margin-bottom:4px}
.kf-pop span{font-size:12.5px;color:var(--gray);word-break:break-all}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ============ reveal ============ */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ============ responsive ============ */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-cards{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(3,1fr)}
  .ind-grid{grid-template-columns:repeat(2,1fr)}
  .net-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr);gap:26px}
  .step::after{display:none}
  .price-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .article-list{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .agent-inner{grid-template-columns:1fr;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-links{display:none}
  .nav-cta .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .nav-links.mobile-open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:#fff;padding:16px 20px 24px;gap:4px;box-shadow:0 20px 40px rgba(20,40,120,.15);border-bottom:1px solid var(--line);align-items:stretch}
  .nav-links.mobile-open a{padding:12px 14px;font-size:15px;border-radius:10px}
}
@media (max-width:720px){
  section{padding:64px 0}
  .metrics .container{grid-template-columns:repeat(2,1fr);gap:28px}
  .card-grid,.scene-grid,.ind-grid,.net-grid,.review-grid,.article-list{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:22px}
  .case-grid{grid-template-columns:1fr}
  .article-banner{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .hero-cards{grid-template-columns:1fr 1fr}
  .agent-inner{padding:32px 22px}
  .form-card{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center;align-items:center}
  .rating-box{flex-direction:column;text-align:center;padding:26px 20px}
  .float-btns{right:14px;bottom:20px}
  .nav-brand .brand-txt{font-size:16px}
  .nav-cta .btn{padding:10px 18px;font-size:14px}
}