:root{
  --primary:#2f5bff;
  --primary-dark:#1a3fd1;
  --accent:#00d0c0;
  --accent2:#ff7a45;
  --ink:#0f1a2e;
  --muted:#5a6680;
  --line:#e4e9f2;
  --bg:#f5f8ff;
  --white:#fff;
  --shadow:0 10px 30px rgba(30,60,140,.10);
  --shadow-lg:0 18px 50px rgba(30,60,140,.18);
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--white);line-height:1.7;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 24px}
section{padding:80px 0;position:relative}
.section-head{text-align:center;max-width:820px;margin:0 auto 52px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--primary);background:rgba(47,91,255,.08);padding:6px 16px;border-radius:999px;margin-bottom:16px}
h2.title{font-size:34px;line-height:1.3;font-weight:800;letter-spacing:-.01em}
h2.title span{background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.subtitle{color:var(--muted);font-size:16px;margin-top:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:999px;font-weight:700;font-size:15px;cursor:pointer;border:none;transition:transform .2s ease,box-shadow .25s ease,background .25s ease}
.btn-primary{background:linear-gradient(120deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 10px 24px rgba(47,91,255,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(47,91,255,.45)}
.btn-accent{background:linear-gradient(120deg,var(--accent2),#ff9a5c);color:#fff;box-shadow:0 10px 24px rgba(255,122,69,.32)}
.btn-accent:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(255,122,69,.42)}
.btn-ghost{background:#fff;color:var(--primary);border:1.5px solid rgba(47,91,255,.35)}
.btn-ghost:hover{background:rgba(47,91,255,.06);transform:translateY(-3px)}
.btn:active{transform:scale(.97)}

/* ===== Top nav ===== */
.site-header{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 6px 24px rgba(20,45,120,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:16px}
.logo-area{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ai-page-logo{width:auto;max-height:40px;object-fit:contain}
.brand-text{font-weight:800;font-size:19px;letter-spacing:.02em;background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:0;flex:1;justify-content:flex-end;flex-wrap:nowrap}
.nav-links>li>a{padding:10px 12px;font-size:14.5px;font-weight:600;color:var(--muted);border-radius:8px;transition:color .2s,background .2s;white-space:nowrap;display:inline-block}
.nav-links>li>a:hover{color:var(--primary);background:rgba(47,91,255,.07)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:12px;flex-shrink:0}
.nav-cta .btn{padding:10px 20px;font-size:14px}
.menu-toggle{display:none;background:none;border:1.5px solid var(--line);border-radius:10px;width:44px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.menu-toggle span{width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero (NO IMAGES) ===== */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 12% 18%,rgba(47,91,255,.22),transparent 42%),
    radial-gradient(circle at 88% 12%,rgba(0,208,192,.20),transparent 44%),
    radial-gradient(circle at 70% 90%,rgba(255,122,69,.16),transparent 46%),
    linear-gradient(135deg,#0a1230 0%,#131d45 45%,#0a1230 100%);
  color:#fff;padding:96px 0 90px;
}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.hero::before{width:420px;height:420px;border:1px solid rgba(255,255,255,.09);top:-120px;right:-80px;animation:floatSlow 12s ease-in-out infinite}
.hero::after{width:260px;height:260px;border:1px solid rgba(255,255,255,.08);bottom:-80px;left:-40px;animation:floatSlow 9s ease-in-out infinite reverse}
.hero-grid{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 40%,transparent 78%);pointer-events:none}
.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;padding:7px 16px;border-radius:999px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);font-size:13px;font-weight:600;color:#cfe0ff;margin-bottom:22px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,208,192,.25);animation:pulse 2s infinite}
.hero h1{font-size:46px;line-height:1.22;font-weight:800;letter-spacing:-.015em;margin-bottom:22px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#7ea6ff,#4bf0dd 60%,#ffb073);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:#c3cfe8;font-size:17px;max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-actions .btn{padding:15px 34px;font-size:16px}
.hero-mini{display:flex;flex-wrap:wrap;gap:26px;border-top:1px solid rgba(255,255,255,.12);padding-top:26px}
.hero-mini div strong{display:block;font-size:24px;font-weight:800;color:#fff}
.hero-mini div span{font-size:13px;color:#9fb0d0}
.hero-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:26px;backdrop-filter:blur(6px)}
.hero-panel h3{font-size:15px;color:#dbe6ff;font-weight:700;margin-bottom:18px;letter-spacing:.03em}
.hero-chip-list{display:flex;flex-wrap:wrap;gap:10px}
.hero-chip{font-size:13px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.13);color:#d8e4ff;transition:.25s}
.hero-chip:hover{background:rgba(0,208,192,.18);border-color:rgba(0,208,192,.5);transform:translateY(-2px);color:#fff}
.hero-meter{margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12)}
.meter-row{display:flex;justify-content:space-between;font-size:13px;color:#aebdda;margin-bottom:8px}
.meter-bar{height:8px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden}
.meter-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--accent));width:0;animation:grow 2s ease forwards}
@keyframes grow{to{width:92%}}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(0,208,192,.25)}50%{box-shadow:0 0 0 9px rgba(0,208,192,.08)}}
@keyframes floatSlow{0%,100%{transform:translateY(0)}50%{transform:translateY(22px)}}

/* ===== Stats ===== */
.stats{background:var(--bg);padding:0 0 80px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;transform:translateY(-50px)}
.stat-card{background:#fff;border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);border:1px solid var(--line);transition:transform .28s,box-shadow .28s;position:relative;overflow:hidden}
.stat-card::after{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.stat-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.stat-card strong{font-size:38px;font-weight:800;background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.02em}
.stat-card p{color:var(--muted);font-size:14px;margin-top:4px}

/* ===== Cards generic ===== */
.card-grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:transform .28s ease,box-shadow .28s ease,border-color .28s;position:relative}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(47,91,255,.28)}
.card .ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(47,91,255,.12),rgba(0,208,192,.14));margin-bottom:18px}
.card .ico svg{width:26px;height:26px;stroke:var(--primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px}
.card .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px;background:rgba(47,91,255,.08);color:var(--primary)}

/* ===== About ===== */
.about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-text h2{font-size:32px;font-weight:800;line-height:1.32;margin-bottom:20px}
.about-text p{color:var(--muted);margin-bottom:16px;font-size:15.5px}
.about-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.about-item{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;font-weight:600}
.about-item i{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center}
.about-item i::before{content:"";width:9px;height:5px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg) translateY(-1px)}
.about-media{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-media img{border-radius:14px;box-shadow:var(--shadow);width:100%;object-fit:cover;transition:transform .3s}
.about-media img:hover{transform:scale(1.03)}
.about-media .span2{grid-column:span 2}

/* ===== Services ===== */
.services{background:linear-gradient(180deg,#f7f9ff,#fff)}
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.svc-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;transition:transform .25s,box-shadow .25s}
.svc-item:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.svc-item h4{font-size:15.5px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.svc-item h4::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent))}
.svc-item p{font-size:13.5px;color:var(--muted)}

/* ===== Steps ===== */
.steps{background:#0d1633;color:#fff;overflow:hidden}
.steps .section-head .eyebrow{background:rgba(255,255,255,.10);color:#9fd0ff}
.steps .subtitle{color:#a9b7d4}
.step-track{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative}
.step-track::before{content:"";position:absolute;top:30px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,rgba(47,91,255,.6),rgba(0,208,192,.6));z-index:0}
.step{position:relative;z-index:1;text-align:center;padding:0 8px}
.step-num{width:60px;height:60px;border-radius:50%;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;background:linear-gradient(135deg,var(--primary),#5a7dff);box-shadow:0 10px 24px rgba(47,91,255,.45);border:3px solid #0d1633}
.step h4{font-size:16px;margin-bottom:8px;font-weight:700}
.step p{font-size:13.5px;color:#a3b2cf}

/* ===== Industry ===== */
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ind-card{border-radius:var(--radius);padding:30px;background:linear-gradient(160deg,#fff,#f3f7ff);border:1px solid var(--line);transition:.28s}
.ind-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.ind-card h3{font-size:18px;margin-bottom:10px;font-weight:700}
.ind-card p{font-size:14px;color:var(--muted);margin-bottom:14px}
.ind-card .tag{background:rgba(0,208,192,.12);color:#009589}

/* ===== Network ===== */
.network{background:var(--bg)}
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.net-item{background:#fff;border-radius:14px;padding:24px;border:1px solid var(--line);text-align:center;transition:.25s}
.net-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(47,91,255,.3)}
.net-item strong{display:block;font-size:17px;margin-bottom:6px}
.net-item span{font-size:13.5px;color:var(--muted)}

/* ===== Compare table ===== */
.compare{background:#fff}
.rate-box{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:38px}
.rate-card{text-align:center;border-radius:var(--radius);padding:34px 20px;background:linear-gradient(150deg,#0f1a3d,#1e2f6b);color:#fff;box-shadow:var(--shadow-lg)}
.rate-card h3{font-size:15px;color:#a9b8dc;font-weight:600;margin-bottom:12px}
.rate-card .big{font-size:44px;font-weight:800;background:linear-gradient(90deg,#7ea6ff,#4bf0dd);-webkit-background-clip:text;background-clip:text;color:transparent}
.rate-card .stars{color:#ffc93c;font-size:22px;letter-spacing:3px;margin-top:6px}
.table-scroll{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:720px;background:#fff}
thead th{background:linear-gradient(120deg,#13224f,#22357a);color:#fff;font-size:14px;padding:16px 18px;text-align:left;font-weight:700;white-space:nowrap}
tbody td{padding:15px 18px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
tbody tr:nth-child(even){background:#f8faff}
tbody td:first-child{font-weight:700;color:var(--ink)}
tbody tr:hover{background:#eef3ff}
.good{color:#12a06a;font-weight:700}

/* ===== Comments ===== */
.comments{background:linear-gradient(180deg,#f7f9ff,#fff)}
.cmt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cmt-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.28s;display:flex;flex-direction:column}
.cmt-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.cmt-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:16px;flex-shrink:0}
.cmt-top strong{display:block;font-size:15px}
.cmt-top span{font-size:12.5px;color:var(--muted)}
.cmt-card p{font-size:14px;color:#4b566f;flex:1}
.cmt-stars{color:#ffc93c;font-size:15px;margin-top:14px;letter-spacing:2px}

/* ===== Cases ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#fff;transition:.28s}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case-card img{width:100%;height:200px;object-fit:cover;transition:transform .4s}
.case-card:hover img{transform:scale(1.06)}
.case-body{padding:20px 22px}
.case-body h3{font-size:16.5px;margin-bottom:8px;font-weight:700}
.case-body p{font-size:13.5px;color:var(--muted)}

/* ===== Token price ===== */
.token{background:#0d1633;color:#fff}
.token .eyebrow{background:rgba(255,255,255,.1);color:#9fd0ff}
.token .subtitle{color:#a9b7d4}
.token-table{overflow-x:auto;border-radius:var(--radius);border:1px solid rgba(255,255,255,.12)}
.token-table table{background:transparent;min-width:680px}
.token-table thead th{background:rgba(255,255,255,.08);color:#dce6ff}
.token-table tbody td{border-top:1px solid rgba(255,255,255,.09);color:#b8c6e4}
.token-table tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.token-table tbody tr:hover{background:rgba(47,91,255,.12)}
.token-table tbody td:first-child{color:#fff}
.thead-note{font-size:13px;color:#8fa0c4;margin-top:16px;text-align:center}

/* ===== Form ===== */
.form-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:50px;align-items:start}
.form-info h2{font-size:30px;font-weight:800;line-height:1.32;margin-bottom:16px}
.form-info p{color:var(--muted);margin-bottom:24px}
.contact-list{display:grid;gap:14px}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#3a4560}
.contact-list li b{color:var(--ink)}
.contact-ico{width:36px;height:36px;border-radius:10px;background:rgba(47,91,255,.09);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-ico svg{width:18px;height:18px;stroke:var(--primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.kefu-card{margin-top:22px;display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow)}
.kefu-card img{width:96px;height:96px;border-radius:10px;object-fit:cover;border:1px solid var(--line)}
.kefu-card strong{display:block;font-size:14.5px;margin-bottom:4px}
.kefu-card span{font-size:13px;color:var(--muted)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-lg)}
.form-card h3{font-size:20px;margin-bottom:6px;font-weight:800}
.form-card .hint{font-size:13px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;color:#2a3450}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit;background:#fbfcff;color:var(--ink);transition:border .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,91,255,.14);background:#fff}
.field textarea{resize:vertical;min-height:110px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-card button{width:100%;margin-top:8px;padding:15px;font-size:16px}
.form-tip{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center}

/* ===== Help & FAQ ===== */
.help{background:var(--bg)}
.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:box-shadow .25s,border-color .25s}
.faq-item.open{border-color:rgba(47,91,255,.35);box-shadow:var(--shadow)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;width:100%;padding:20px 24px;background:none;border:none;cursor:pointer;text-align:left;font-size:15.5px;font-weight:700;color:var(--ink);font-family:inherit}
.faq-q .plus{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:rgba(47,91,255,.1);position:relative;transition:.3s}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;top:50%;left:50%;background:var(--primary);border-radius:2px;transition:.3s}
.faq-q .plus::before{width:12px;height:2px;transform:translate(-50%,-50%)}
.faq-q .plus::after{width:2px;height:12px;transform:translate(-50%,-50%)}
.faq-item.open .plus{background:var(--primary)}
.faq-item.open .plus::before,.faq-item.open .plus::after{background:#fff}
.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}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:14.5px}

/* ===== Articles ===== */
.article-layout{display:grid;grid-template-columns:2fr 1fr;gap:34px;align-items:start}
.article-main .card-grid{grid-template-columns:1fr 1fr}
.article-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;transition:.25s;display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.article-card .meta{font-size:12.5px;color:var(--primary);font-weight:700;margin-bottom:10px;letter-spacing:.04em}
.article-card h3{font-size:16.5px;margin-bottom:10px;font-weight:700;line-height:1.5}
.article-card p{font-size:13.5px;color:var(--muted);flex:1}
.article-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.article-links a{font-size:12.5px;padding:5px 11px;border-radius:999px;background:rgba(47,91,255,.07);color:var(--primary);font-weight:600;transition:.2s}
.article-links a:hover{background:var(--primary);color:#fff}
.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:22px}
.side-panel h3{font-size:16px;margin-bottom:16px;font-weight:800}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{font-size:12.5px;padding:6px 12px;border-radius:999px;background:#f1f5ff;color:#3a4a72;transition:.2s;font-weight:600}
.tag-cloud a:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.friend-links a{display:block;font-size:13.5px;padding:9px 0;border-bottom:1px dashed var(--line);color:#4a5674;transition:.2s}
.friend-links a:last-child{border-bottom:none}
.friend-links a:hover{color:var(--primary);padding-left:6px}

/* ===== Join / agent ===== */
.join{background:linear-gradient(135deg,#101c40,#1d2f6b);color:#fff;overflow:hidden}
.join .eyebrow{background:rgba(255,255,255,.1);color:#9fd0ff}
.join .subtitle{color:#a9b7d4}
.join-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:36px}
.join-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:26px;transition:.25s}
.join-card:hover{background:rgba(255,255,255,.1);transform:translateY(-5px)}
.join-card strong{display:block;font-size:17px;margin-bottom:8px}
.join-card p{font-size:13.5px;color:#a9b7d4}
.join-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ===== Footer ===== */
.site-footer{background:#0a1228;color:#8f9dbd;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .brand-text{font-size:20px;display:inline-block;margin-bottom:14px}
.footer-brand p{font-size:13.5px;line-height:1.8;max-width:300px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-col a,.footer-col p{display:block;font-size:13.5px;padding:5px 0;transition:.2s}
.footer-col a:hover{color:#7ea6ff;padding-left:4px}
.footer-bottom{padding:22px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:13px}
.footer-bottom a{color:#8f9dbd}
.footer-bottom a:hover{color:#7ea6ff}

/* ===== Floating ===== */
.float-cs{position:fixed;right:22px;bottom:100px;z-index:950;display:flex;flex-direction:column;gap:12px}
.float-btn{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;box-shadow:0 10px 24px rgba(20,45,120,.28);transition:transform .25s,box-shadow .25s;background:#fff}
.float-btn:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 16px 32px rgba(20,45,120,.36)}
.float-btn svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.float-cs-btn{background:linear-gradient(135deg,var(--primary),var(--primary-dark))}
.float-cs-panel{position:absolute;right:66px;bottom:0;width:250px;background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);padding:20px;display:none;border:1px solid var(--line)}
.float-cs-panel.show{display:block;animation:fadeUp .3s ease}
.float-cs-panel h4{font-size:15px;margin-bottom:12px;font-weight:800;color:var(--ink)}
.float-cs-panel img{width:100%;border-radius:10px;border:1px solid var(--line)}
.float-cs-panel p{font-size:12.5px;color:var(--muted);margin-top:10px;word-break:break-all}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.back-top{position:fixed;right:22px;bottom:30px;z-index:940;width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,var(--accent2),#ff9a5c);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(255,122,69,.35);opacity:0;pointer-events:none;transition:opacity .3s,transform .3s}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-4px)}
.back-top svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* ===== Responsive ===== */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:38px}
  .stat-grid{grid-template-columns:1fr 1fr}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .industry-grid,.cmt-grid,.case-grid{grid-template-columns:repeat(2,1fr)}
  .net-grid,.join-grid{grid-template-columns:repeat(2,1fr)}
  .step-track{grid-template-columns:repeat(3,1fr);gap:30px}
  .step-track::before{display:none}
  .about-wrap,.form-wrap,.article-layout{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-links{position:fixed;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:14px 24px 24px;gap:2px;border-bottom:1px solid var(--line);box-shadow:0 18px 40px rgba(20,45,120,.12);display:none;max-height:calc(100vh - 70px);overflow-y:auto}
  .nav-links.open{display:flex}
  .nav-links>li>a{padding:13px 10px;font-size:15px;border-bottom:1px solid #f1f4fa}
  .menu-toggle{display:flex;order:3}
  .nav-cta{margin-left:auto;order:2}
  .nav-cta .btn{padding:9px 16px;font-size:13px}
  section{padding:60px 0}
  h2.title{font-size:27px}
  .hero{padding:64px 0 60px}
  .hero h1{font-size:32px}
  .rate-box{grid-template-columns:1fr}
  .article-main .card-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .hero h1{font-size:27px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-mini{gap:18px}
  .hero-mini div{flex:1 1 40%}
  .stat-grid,.svc-grid,.industry-grid,.cmt-grid,.case-grid,.net-grid,.join-grid,.grid-2,.grid-3{grid-template-columns:1fr}
  .step-track{grid-template-columns:1fr 1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .stat-grid{transform:translateY(-32px)}
  .about-list{grid-template-columns:1fr}
  .about-media{grid-template-columns:1fr}
  .about-media .span2{grid-column:auto}
  .footer-bottom{flex-direction:column;text-align:center}
  .float-cs{right:14px;bottom:86px}
  .back-top{right:14px;bottom:22px}
  .float-cs-panel{right:60px;width:220px}
}
@media (max-width:400px){
  .step-track{grid-template-columns:1fr}
}