:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --text: #172033;
  --muted: #5a667d;
  --line: #dfe7f3;
  --primary: #1546a0;
  --primary-2: #3b82f6;
  --accent: #0f766e;
  --warning: #fff7db;
  --warning-border: #f1cf63;
  --shadow: 0 18px 50px rgba(19, 39, 74, 0.08);
  --radius: 20px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg,#f7faff 0,#f3f6fb 38%,#eef3f9 100%);
  color:var(--text);
  line-height:1.65;
}
a{color:inherit;text-decoration:none}
ul{padding-left:1.1rem}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 22px}
.topbar{
  background:var(--warning);
  border-bottom:1px solid var(--warning-border);
  color:#6b4f00;
  font-size:.94rem;
}
.topbar .container{padding:12px 22px}
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,231,243,.75)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:24px}
.logo{display:flex;align-items:center;gap:14px;font-weight:800;color:var(--primary)}
.logo-badge{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#0f766e,#3b82f6);display:grid;place-items:center;color:#fff;box-shadow:var(--shadow)}
.logo small{display:block;color:var(--muted);font-weight:600;font-size:.76rem;letter-spacing:.04em;text-transform:uppercase}
.nav ul{list-style:none;display:flex;gap:18px;padding:0}
.nav a{padding:10px 12px;border-radius:12px;color:var(--muted);font-weight:600;font-size:.96rem}
.nav a:hover,.nav a.active{background:#eef4ff;color:var(--primary)}
.menu-toggle{display:none;border:none;background:#eef4ff;color:var(--primary);padding:10px 12px;border-radius:12px}
.hero-wrap{padding:34px 0 20px}
.hero{
  display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:stretch;
  background: radial-gradient(circle at top right, rgba(59,130,246,.15), transparent 30%), linear-gradient(135deg,#ffffff,#f5f9ff);
  border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:var(--shadow)
}
.eyebrow{display:inline-flex;gap:8px;align-items:center;background:#edf8f6;color:#0f766e;border:1px solid #caefe7;padding:8px 12px;border-radius:999px;font-size:.86rem;font-weight:700;margin-bottom:18px}
.hero h1{font-size:clamp(2rem,4vw,3.5rem);line-height:1.08;margin-bottom:18px;max-width:13ch}
.hero p{font-size:1.06rem;color:var(--muted);max-width:60ch}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 18px;border-radius:14px;font-weight:700;border:1px solid transparent}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 12px 30px rgba(21,70,160,.2)}
.btn-secondary{background:#fff;border-color:var(--line);color:var(--primary)}
.hero-card{background:linear-gradient(180deg,#fbfdff,#f2f7ff);border:1px solid var(--line);border-radius:24px;padding:22px;display:flex;flex-direction:column;justify-content:space-between;gap:18px}
.hero-card img{border-radius:18px;border:1px solid #d8e6ff}
.badge-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.badge-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}
.badge-item strong{display:block;font-size:1.1rem;color:var(--primary)}
.section{padding:26px 0}
.section-title{font-size:2rem;margin-bottom:12px}
.section-intro{color:var(--muted);max-width:72ch;margin-bottom:22px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card,.feature,.faq-item,.notice-box,.article-card,.table-card,.contact-card,.info-panel{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}
.card,.feature,.article-card,.contact-card,.info-panel{padding:24px}
.card h3,.feature h3,.faq-item h3,.article-card h3,.contact-card h3,.info-panel h3{font-size:1.16rem;margin-bottom:10px}
.card p,.feature p,.article-card p,.contact-card p,.info-panel p{color:var(--muted)}
.kpi-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:20px}
.kpi{padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.kpi strong{display:block;font-size:1.8rem;color:var(--primary);line-height:1.1;margin-bottom:6px}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.notice-box{padding:24px;background:linear-gradient(180deg,#fffef7,#fff);border-color:#f3e8ab}
.notice-box ul{margin-top:12px;color:var(--muted)}
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article-card img{border-radius:16px;margin-bottom:16px;border:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{background:#fff;border:1px solid var(--line);padding:22px;border-radius:20px;box-shadow:var(--shadow)}
.step .num{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:#eaf2ff;color:var(--primary);font-weight:800;margin-bottom:12px}
.table-card{padding:8px;overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:16px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.92rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);background:#f8fbff}
.faq-list{display:grid;gap:14px}
.faq-item{padding:22px}
.footer{margin-top:40px;background:#0f172a;color:#cbd5e1}
.footer-top{padding:46px 0}
.footer-grid{display:grid;grid-template-columns:1.2fr .9fr 1fr;gap:28px}
.footer h3{color:#fff;margin-bottom:14px}
.footer p,.footer li,.footer a{color:#cbd5e1;font-size:.96rem}
.footer ul{list-style:none;padding:0}
.footer li{margin-bottom:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:.88rem;color:#94a3b8}
.breadcrumb{color:var(--muted);font-size:.92rem;margin-bottom:16px}
.page-hero{padding:34px 0 10px}
.page-hero-box{background:linear-gradient(180deg,#ffffff,#f7fbff);border:1px solid var(--line);border-radius:26px;padding:30px;box-shadow:var(--shadow)}
.page-hero h1{font-size:clamp(1.8rem,3vw,2.8rem);margin-bottom:12px}
.page-layout{display:grid;grid-template-columns:2fr .9fr;gap:20px}
.sidebar{display:grid;gap:16px}
.list-check li{margin-bottom:10px;color:var(--muted)}
.highlight{background:#eef6ff;border:1px solid #d8e7ff;padding:18px;border-radius:18px;color:var(--text)}
.contact-card p + p{margin-top:10px}
.chip-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.chip{padding:8px 12px;border-radius:999px;background:#edf4ff;border:1px solid #d9e6ff;color:var(--primary);font-size:.88rem;font-weight:700}
.backtop{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:16px;border:none;background:var(--primary);color:#fff;box-shadow:var(--shadow);display:none;cursor:pointer}
.backtop.visible{display:block}
@media (max-width: 980px){
  .hero,.page-layout,.footer-grid,.feature-grid{grid-template-columns:1fr}
  .card-grid,.article-list,.steps,.kpi-strip{grid-template-columns:repeat(2,1fr)}
  .nav{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line)}
  .nav.active{display:block}
  .nav ul{flex-direction:column;padding:14px}
  .menu-toggle{display:block}
}
@media (max-width: 640px){
  .container{padding:0 16px}
  .hero,.page-hero-box,.card,.feature,.article-card,.faq-item,.contact-card,.info-panel,.notice-box{padding:20px}
  .card-grid,.article-list,.steps,.kpi-strip{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
}