/* eqseyu.com shared styles — Jodoo-inspired (Ant Design blue) */
:root{
  --primary:#1677ff;--primary-hover:#0958d9;--primary-soft:#e6f4ff;--primary-border:#91caff;
  --danger:#ff4d4f;--warn:#faad14;
  --bg:#fff;--bg-alt:#f5f7fa;--ink:#1f2329;--muted:#646a73;--border:#e5e6eb;
  --radius:10px;--radius-lg:16px;
  --shadow:0 1px 2px rgba(31,35,41,.06),0 2px 8px rgba(31,35,41,.06);
  --shadow-lg:0 8px 24px rgba(31,35,41,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-hover)}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* ===== Header / Nav ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:20px;color:var(--ink);letter-spacing:-.02em}
.logo:hover{color:var(--ink)}
.logo-mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,#1677ff,#4096ff);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:800}
.nav-links{display:flex;align-items:center;gap:8px;list-style:none}
.nav-links>li{position:relative}
.nav-links a.nav-item{display:inline-flex;align-items:center;gap:5px;padding:8px 14px;border-radius:8px;color:var(--ink);font-size:15px;font-weight:500;cursor:pointer;background:none;border:none;font-family:inherit}
.nav-links a.nav-item:hover,.nav-links a.nav-item.active{color:var(--primary);background:var(--primary-soft)}
.nav-cta{margin-left:12px}
.dropdown{position:absolute;top:calc(100% + 6px);left:0;min-width:190px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:6px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:.18s;list-style:none}
.has-dropdown:hover .dropdown,.has-dropdown:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:flex;flex-direction:column;gap:1px;padding:9px 12px;border-radius:8px;color:var(--ink);font-size:14px;font-weight:500}
.dropdown a:hover{background:var(--primary-soft);color:var(--primary)}
.dropdown a small{color:var(--muted);font-weight:400;font-size:12px}
.caret{width:10px;height:10px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-3px);transition:.2s}
.has-dropdown:hover .caret{transform:rotate(225deg) translateY(-1px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 20px;border-radius:8px;font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:.15s}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 6px rgba(22,119,255,.35)}
.btn-primary:hover{background:var(--primary-hover);color:#fff}
.btn-ghost{border-color:var(--border);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-lg{padding:12px 28px;font-size:16px;border-radius:10px}

/* mobile */
.nav-toggle{display:none}
@media(max-width:768px){
  .nav-toggle{display:inline-flex;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:8px}
  .nav-toggle span{width:20px;height:2px;background:var(--ink);border-radius:2px;display:block}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);flex-direction:column;align-items:stretch;padding:12px 16px 20px;gap:2px;box-shadow:var(--shadow-lg)}
  .nav-links.open{display:flex}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding-left:12px;display:none}
  .has-dropdown.open .dropdown{display:block}
  .nav-cta{margin:10px 0 0}
}

/* ===== Hero ===== */
.hero{background:linear-gradient(180deg,#f0f7ff 0%,#fff 100%);padding:84px 0 72px;text-align:center}
.hero h1{font-size:clamp(30px,5vw,48px);font-weight:800;letter-spacing:-.03em;line-height:1.18}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero p.lead{font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:640px;margin:18px auto 32px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ===== Sections ===== */
section.block{padding:72px 0}
section.block.alt{background:var(--bg-alt)}
.sec-head{text-align:center;max-width:620px;margin:0 auto 44px}
.sec-head h2{font-size:clamp(24px,3.4vw,34px);font-weight:800;letter-spacing:-.02em}
.sec-head p{color:var(--muted);margin-top:10px}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;transition:.18s}
.card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary-border);transform:translateY(-3px)}
.card a.card-link{position:absolute;inset:0}
.card{position:relative}
.card .ico{width:46px;height:46px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.card h3{font-size:17px;margin-bottom:6px}
.card p{color:var(--muted);font-size:14px}
.badge{display:inline-block;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;margin-bottom:14px}

/* ===== Content pages ===== */
.page-hero{background:linear-gradient(180deg,#f0f7ff 0%,#fff 100%);padding:60px 0 44px;text-align:center}
.page-hero h1{font-size:clamp(26px,4vw,38px);font-weight:800;letter-spacing:-.02em}
.page-hero p{color:var(--muted);margin-top:12px;max-width:600px;margin-left:auto;margin-right:auto}
.prose{max-width:760px;margin:0 auto;padding:48px 24px 80px}
.prose h2{font-size:22px;margin:34px 0 12px;letter-spacing:-.01em}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:17px;margin:24px 0 8px}
.prose p,.prose li{color:#3c4148;font-size:15px}
.prose ul,.prose ol{padding-left:22px;margin:10px 0}
.prose li{margin:5px 0}
.prose table{width:100%;border-collapse:collapse;font-size:14px;margin:14px 0;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.prose th,.prose td{padding:10px 14px;border-bottom:1px solid var(--border);text-align:left}
.prose th{background:var(--primary-soft);font-weight:600}
.prose tr:last-child td{border-bottom:none}
.prose .card{margin:16px 0}

/* ===== Tool page ===== */
.tool-panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow)}
textarea{width:100%;min-height:240px;border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;font-size:16px;font-family:inherit;resize:vertical;outline:none;color:var(--ink)}
textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.tool-actions{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin-top:24px}
.stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px}
.stat b{display:block;font-size:28px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--primary)}
.stat span{font-size:13px;color:var(--muted)}
.kw-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;font-size:14px}
.kw-table th,.kw-table td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--border)}
.kw-table th{background:var(--primary-soft);font-weight:600}
.kw-table tr:last-child td{border-bottom:none}
.bar{background:var(--primary);height:6px;border-radius:3px;display:inline-block;vertical-align:middle}

/* ===== Footer ===== */
.site-footer{background:#0f1621;color:#a8b0ba;margin-top:80px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;padding:56px 0 40px}
.footer-inner h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:14px}
.footer-inner ul{list-style:none}
.footer-inner li{margin:8px 0}
.footer-inner a{color:#a8b0ba;font-size:14px}
.footer-inner a:hover{color:#fff}
.footer-brand{color:#fff;font-weight:700;font-size:18px;margin-bottom:10px}
.footer-brand span{color:var(--primary)}
.footer-desc{font-size:13px;max-width:280px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media(max-width:768px){.footer-inner{grid-template-columns:1fr 1fr}}

/* contact form */
.form-card{max-width:560px;margin:0 auto}
.form-card label{display:block;font-size:14px;font-weight:600;margin:16px 0 6px}
.form-card input,.form-card textarea{width:100%}
.form-card input{border:1px solid var(--border);border-radius:var(--radius);padding:11px 14px;font-size:15px;font-family:inherit;outline:none}
.form-card input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.form-status{margin-top:14px;font-size:14px;color:#16a34a;display:none}

/* ===== Tools mega dropdown ===== */
.has-dropdown > .dropdown::before{content:"";position:absolute;left:-8px;right:-8px;top:-12px;height:12px}
.has-mega > .dropdown-mega{left:auto;right:0;width:min(600px,calc(100vw - 40px));padding:10px}
.dropdown-mega .mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px}
.dropdown-mega .mega-item{display:flex;flex-direction:row;align-items:center;gap:11px;padding:9px 11px;border-radius:8px}
.mega-ico{flex:0 0 32px;width:32px;height:32px;border-radius:9px;background:var(--primary-soft);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;transition:.15s}
.mega-ico svg{width:17px;height:17px}
.mega-txt{display:flex;flex-direction:column;min-width:0}
.mega-txt b{font-size:14px;font-weight:600;line-height:1.35;color:inherit}
.mega-txt small{color:var(--muted);font-size:12px;font-weight:400;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dropdown-mega .mega-item:hover .mega-ico{background:var(--primary);color:#fff}
.dropdown-mega .mega-item:hover .mega-txt small{color:var(--primary)}
.dropdown-mega a.mega-all{display:flex;flex-direction:row;justify-content:space-between;align-items:center;margin-top:8px;padding:10px 11px 3px;border-top:1px solid var(--border);border-radius:0;font-size:13px;font-weight:600;color:var(--primary)}
.dropdown-mega a.mega-all:hover{background:transparent;color:var(--primary-hover)}
@media(max-width:768px){
  .has-dropdown > .dropdown::before{display:none}
  .has-mega > .dropdown-mega{width:auto;padding:2px 0 0 10px}
  .dropdown-mega .mega-grid{grid-template-columns:1fr}
  .mega-txt small{white-space:normal}
  .dropdown-mega a.mega-all{margin-top:4px;padding:8px 11px 0;border-top:none}
}