/* Cloud Tower design system tokens — https://designmd.ai/chef/cloud-tower */
:root{
  --primary:#00A1E0;--primary-hover:#0088C7;--navy:#032D60;
  --neutral:#F4F6F9;--bg:#FFFFFF;--surface:#F4F6F9;
  --text:#032D60;--text-2:#706E6B;--border:#D8DDE6;
  --success:#04844B;--warning:#FF9A3C;--error:#C23934;
  --shadow-1:0 2px 4px rgba(0,0,0,.07);--shadow-2:0 4px 14px rgba(0,0,0,.1);--shadow-3:0 8px 24px rgba(0,0,0,.12);
  --font:"Nunito Sans","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
  --container:1280px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);font-size:16px;line-height:1.5;color:var(--text-2);background:var(--bg)}
h1,h2,h3,h4,h5{color:var(--text);font-weight:700;line-height:1.25}
h1{font-size:40px}h2{font-size:32px}h3{font-size:24px}h4{font-size:20px}h5{font-size:16px}
p{margin-bottom:12px}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-hover)}
img,svg{display:block;max-width:100%}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.overline{font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--primary);margin-bottom:8px}
.section{padding:64px 0}
.section-alt{background:var(--surface)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head p{font-size:16px}

/* Navigation — 56px, dark navy */
.nav{height:56px;background:var(--navy);box-shadow:0 2px 4px rgba(0,0,0,.1);position:sticky;top:0;z-index:50}
.nav .container{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;white-space:nowrap}
.brand-mark{width:28px;height:28px;border-radius:4px;background:var(--primary);display:grid;place-items:center;color:#fff;font-size:13px;font-weight:700;letter-spacing:.02em}
.nav-links{display:flex;gap:4px;list-style:none;height:100%}
.nav-links a{display:flex;align-items:center;height:56px;padding:0 12px;font-size:14px;color:rgba(255,255,255,.8);border-bottom:3px solid transparent;border-top:3px solid transparent}
.nav-links a:hover,.nav-links a.active{color:#fff;border-bottom-color:var(--primary)}
.nav-toggle{display:none;background:none;border:0;color:#fff;width:40px;height:40px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;margin:4px auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 16px;border-radius:4px;font-size:13px;font-weight:600;font-family:inherit;border:1px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn-lg{height:48px;padding:0 24px;font-size:14px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);color:#fff}
.btn-secondary{background:#fff;border-color:var(--border);color:var(--navy)}
.btn-secondary:hover{background:var(--neutral);color:var(--navy)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* Hero — 12px radius allowed for hero sections */
.hero{background:var(--navy);color:#fff;padding:96px 0 80px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(600px 300px at 85% 20%,rgba(0,161,224,.35),transparent 70%),
  linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:auto,48px 48px,48px 48px;pointer-events:none}
.hero .container{position:relative;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:48px;align-items:center}
.hero .overline{color:#7FD3F5}
.hero h1{color:#fff;font-size:44px;margin-bottom:16px}
.hero p{font-size:17px;color:rgba(255,255,255,.82);max-width:600px;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-card{background:#fff;border-radius:12px;box-shadow:var(--shadow-3);padding:20px;color:var(--text-2)}
.hero-card h5{margin-bottom:12px;display:flex;align-items:center;gap:8px}
.hero-card table{width:100%;border-collapse:collapse;font-size:13px}
.hero-card th{background:var(--surface);color:var(--text-2);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;text-align:left;padding:8px 10px}
.hero-card td{padding:10px;border-bottom:1px solid var(--border);color:var(--text)}
.hero-card td:last-child{text-align:right}
.chip{display:inline-flex;align-items:center;height:24px;padding:0 8px;border-radius:4px;font-size:11px;font-weight:600}
.chip-success{background:rgba(4,132,75,.1);color:var(--success)}
.chip-warning{background:rgba(255,154,60,.12);color:#C76A12}
.chip-neutral{background:var(--border);color:var(--text-2)}
.chip-primary{background:rgba(0,161,224,.12);color:var(--primary-hover)}

/* Metric strip */
.metrics{background:#fff;border-bottom:1px solid var(--border)}
.metrics .container{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-top:24px;padding-bottom:24px}
.metric{background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-1);padding:20px}
.metric strong{display:block;font-size:32px;font-weight:700;color:var(--text);line-height:1.1}
.metric span{font-size:13px;color:var(--text-2)}

/* Cards */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-1);display:flex;flex-direction:column}
.card-body{padding:20px;flex:1}
.card-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
.card h4{font-size:20px;margin-bottom:8px}
.card p{font-size:14px;margin-bottom:0}
.icon{width:36px;height:36px;border-radius:4px;background:rgba(0,161,224,.12);color:var(--primary-hover);display:grid;place-items:center;flex:none}
.icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* About */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.about ul{list-style:none;display:grid;gap:12px;margin-top:16px}
.about li{display:flex;gap:10px;font-size:14px;color:var(--text)}
.about li::before{content:"";width:18px;height:18px;flex:none;border-radius:9999px;background:var(--success) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center/11px no-repeat;margin-top:2px}
.info-table{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--border);border-radius:8px;overflow:hidden;box-shadow:var(--shadow-1)}
.info-table th{background:var(--surface);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-2);text-align:left;padding:10px 16px}
.info-table td{padding:12px 16px;border-top:1px solid var(--border);color:var(--text);vertical-align:top}
.info-table td:first-child{color:var(--text-2);width:34%;white-space:nowrap}

/* Process */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step}
.step{background:#fff;border:1px solid var(--border);border-radius:8px;padding:20px;box-shadow:var(--shadow-1);position:relative}
.step::before{counter-increment:step;content:"0" counter(step);display:inline-block;font-size:12px;font-weight:700;color:var(--primary);letter-spacing:.05em;margin-bottom:8px}
.step h5{margin-bottom:6px}
.step p{font-size:13px;margin:0}

/* Contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.contact-list{list-style:none;display:grid;gap:16px}
.contact-list li{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:8px;padding:16px 20px;box-shadow:var(--shadow-1)}
.contact-list small{display:block;font-size:12px;font-weight:600;color:var(--text-2);margin-bottom:2px}
.contact-list strong{font-size:16px;color:var(--text);font-weight:600}
.contact-list a{color:var(--text)}
.contact-list a:hover{color:var(--primary)}
.form{background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-1)}
.form-body{padding:20px;display:grid;gap:16px}
.field label{display:block;font-size:12px;font-weight:600;color:var(--text);margin-bottom:4px}
.field label i{color:var(--error);font-style:normal}
.field input,.field textarea{width:100%;height:40px;padding:8px 12px;border:1px solid var(--border);border-radius:4px;font:400 14px var(--font);color:var(--text);background:#fff;outline:0}
.field textarea{height:auto;min-height:110px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-2)}
.field input:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,161,224,.15)}
.form-note{font-size:12px;color:var(--text-2);margin:0}
.form-foot{padding:16px 20px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* Footer */
.footer{background:var(--navy);color:rgba(255,255,255,.8);padding:48px 0 24px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer h5{color:#fff;margin-bottom:12px}
.footer p{color:rgba(255,255,255,.7);margin-bottom:8px}
.footer ul{list-style:none;display:grid;gap:8px}
.footer a{color:rgba(255,255,255,.8)}
.footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom .brand{font-size:14px}

/* Legal pages */
.page-head{background:var(--navy);color:#fff;padding:56px 0}
.page-head h1{color:#fff;font-size:36px;margin-bottom:8px}
.page-head p{color:rgba(255,255,255,.75);margin:0;font-size:14px}
.legal{display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;padding:48px 0 64px}
.toc{position:sticky;top:80px;align-self:start;background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-1)}
.toc-head{padding:12px 16px;border-bottom:1px solid var(--border);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-2)}
.toc ol{list-style:none;padding:8px 0}
.toc a{display:block;padding:8px 16px;font-size:13px;color:var(--text);border-left:3px solid transparent}
.toc a:hover{background:var(--surface);border-left-color:var(--primary)}
.prose{max-width:760px}
.prose h2{font-size:24px;margin:40px 0 12px;padding-top:8px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18px;margin:20px 0 8px}
.prose p,.prose li{font-size:15px;line-height:1.7}
.prose ul,.prose ol{padding-left:22px;margin-bottom:12px}
.prose li{margin-bottom:6px}
.prose table{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0 20px;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.prose th{background:var(--surface);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-2);text-align:left;padding:10px 12px}
.prose td{padding:10px 12px;border-top:1px solid var(--border);vertical-align:top;color:var(--text)}
.notice{background:rgba(0,161,224,.08);border:1px solid rgba(0,161,224,.3);border-radius:8px;padding:16px 20px;margin-bottom:24px;font-size:14px;color:var(--text)}
.notice strong{color:var(--navy)}

/* Responsive */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .metrics .container{grid-template-columns:repeat(2,1fr)}
  .hero .container{grid-template-columns:1fr}
  .hero-card{max-width:560px}
}
@media (max-width:820px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;left:0;right:0;top:56px;background:var(--navy);flex-direction:column;gap:0;height:auto;padding:8px 0 12px;box-shadow:var(--shadow-2)}
  .nav-links.open{display:flex}
  .nav-links a{height:44px;padding:0 24px;border-bottom:0;border-left:3px solid transparent}
  .nav-links a:hover,.nav-links a.active{border-left-color:var(--primary);border-bottom-color:transparent}
  .grid-3,.about,.contact,.footer-grid,.legal{grid-template-columns:1fr}
  .toc{position:static}
  .hero{padding:64px 0 56px}
  .hero h1{font-size:34px}
  h2{font-size:28px}
  .section{padding:48px 0}
}
@media (max-width:560px){
  .grid-4,.steps,.metrics .container{grid-template-columns:1fr}
  .container{padding:0 16px}
  .hero h1{font-size:30px}
  .page-head h1{font-size:28px}
}

/* Hero visual */
.hero-visual{display:flex;justify-content:center;align-items:center}
.hero-visual img{width:100%;max-width:560px;height:auto;filter:drop-shadow(0 8px 24px rgba(0,0,0,.35))}
@media (max-width:1024px){.hero-visual{max-width:520px}}

/* Language switch */
.lang-switch{display:inline-flex;align-items:center;height:32px;padding:0 12px;border:1px solid rgba(255,255,255,.4);border-radius:4px;color:#fff;font-size:13px;font-weight:600;white-space:nowrap;flex:none}
.lang-switch:hover{background:rgba(255,255,255,.12);color:#fff}
.nav .container{gap:16px}
.nav nav{margin-left:auto}
@media (max-width:820px){.nav nav{margin-left:0}.lang-switch{margin-left:auto;order:1}.nav-toggle{order:2}}