:root {
  color-scheme: light;
  --tblr-primary: #3159cd;
  --tblr-primary-rgb: 49, 89, 205;
  --ink: #15243d;
  --muted: #576781;
  --line: #dce5f2;
  --surface: #fff;
  --wash: #f5f8fd;
  --accent: #3159cd;
  --accent-hover: #2445ac;
  --radius: 20px;
}
html { scroll-behavior: smooth; }
body.site-body { background: var(--wash); color: var(--ink); font: 16px/1.6 system-ui, -apple-system, "PingFang SC", sans-serif; }
a { text-underline-offset: .18em; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid #3b68da; outline-offset: 3px; }
.site-width { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.site-header { background: #ffffffdc; border-bottom: 1px solid var(--line); }
.bar { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { color: var(--ink); display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 780; letter-spacing: .12em; }
.brand:hover { color: var(--ink); text-decoration: none; }
.brand-mark { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: #18314f; color: white; font-size: 16px; letter-spacing: 0; }
.site-nav { display: flex; align-items: center; gap: 22px; }
.site-nav > a:not(.btn) { color: var(--muted); text-decoration: none; font-size: .9rem; }
.site-nav > a:not(.btn):hover { color: var(--accent); }
.btn { border-radius: 9px; font-weight: 650; }
.btn-primary { --tblr-btn-bg: var(--accent); --tblr-btn-border-color: var(--accent); --tblr-btn-hover-bg: var(--accent-hover); --tblr-btn-hover-border-color: var(--accent-hover); }
.hero {
  margin-block: 34px 0; display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: center;
  padding: clamp(27px, 5.8vw, 66px); border-radius: 26px; overflow: hidden; color: #fff;
  background: radial-gradient(ellipse at 94% 12%, #203e66 0, transparent 60%), #101e35;
}
.hero-badge { display: inline-flex; gap: 8px; align-items: center; background: #233a55; color: #d2eaff; border: 1px solid #395877; padding: 7px 10px; border-radius: 999px; font-weight: 650; }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: #73ddce; }
.hero h1 { font-size: clamp(2.8rem, 6.5vw, 5.15rem); line-height: 1.02; letter-spacing: -.055em; margin: 22px 0 16px; font-weight: 770; }
.hero-copy > p { color: #bfd0e8; max-width: 32rem; margin: 0 0 26px; }
.hero-actions { display: flex; align-items: center; gap: 17px; flex-wrap: wrap; }
.hero-text-link { color: #d3e4fb; font-size: .91rem; text-decoration: none; }
.hero-text-link:hover { color: white; text-decoration: underline; }
.hero-visual { align-self: center; width: 100%; padding: 14px; background: #101f36b8; border: 1px solid #344f73; border-radius: 21px; }
.visual-label { display: flex; align-items: center; gap: 7px; padding: 1px 7px 10px; color: #a8c5e7; font: 670 .68rem system-ui, sans-serif; letter-spacing: .14em; }
.visual-label span { width: 6px; height: 6px; border-radius: 50%; background: #78d7ce; }
.route-art { display: block; width: 100%; height: auto; }
.content-section { padding-top: 40px; scroll-margin-top: 20px; }
.section-head { margin-bottom: 14px; }
.section-index { color: #486494; font-size: .68rem; letter-spacing: .14em; font-weight: 750; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.05rem); margin: 4px 0 0; font-weight: 760; letter-spacing: -.045em; }
.node-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.node-card { border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 8px 24px #1f42650a; overflow: hidden; }
.node-card .card-body { padding: 22px; }
.node-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.node-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; font-weight: 800; }
.teal, .tag-teal { background: #e2f5ee; color: #125f4b; }
.blue, .tag-blue { background: #e7edfc; color: #2849a0; }
.node-card h3 { font-size: 1.15rem; margin: 0 0 5px; font-weight: 740; }
.node-card p { color: var(--muted); margin-bottom: 14px; font-size: .91rem; }
.node-meta { border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 10px; padding-top: 12px; color: var(--muted); font-size: .84rem; }
.node-meta strong { color: var(--ink); }
.steps { padding: 0; margin: 0; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
.steps li { display: flex; gap: 11px; align-items: flex-start; border-top: 1px solid var(--line); padding-top: 14px; }
.steps li > span { width: 25px; height: 25px; border-radius: 8px; display: grid; place-items: center; flex-shrink: 0; color: #2448a5; background: #e6edff; font-size: .78rem; font-weight: 750; }
.steps p { margin: 2px 0 0; color: var(--muted); font-size: .87rem; }
.site-footer { margin-top: 38px; border-top: 1px solid var(--line); padding-block: 18px 24px; display: flex; justify-content: space-between; gap: 12px; font-size: .81rem; color: var(--muted); }
.site-footer > span:first-child { font-weight: 780; letter-spacing: .14em; }
.auth-main { display: grid; place-items: center; min-height: calc(100vh - 140px); padding-block: 42px; }
.auth-card { width: min(460px, 100%); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 20px 60px #20355a15; }
.auth-card .card-body { padding: clamp(21px, 6vw, 38px); }
.auth-card h1 { font-size: 1.95rem; letter-spacing: -.05em; margin: 8px 0; }
.auth-card .intro { color: var(--muted); margin-bottom: 20px; }
.auth-card .form-label { font-weight: 660; }
.form-control { border-radius: 8px; min-height: 43px; }
.password-field { display: flex; align-items: stretch; gap: 8px; }
.password-field .btn { flex: 0 0 auto; }
.form-note { font-size: .83rem; color: var(--muted); margin: 8px 0 18px; }
.auth-card .alert { font-size: .9rem; }
.console-main { padding-top: 36px; }
.console-heading { margin-bottom: 20px; }
.console-heading h1 { margin: 6px 0; font-size: clamp(1.85rem, 4.5vw, 2.65rem); letter-spacing: -.06em; font-weight: 760; }
.console-heading p { color: var(--muted); margin-bottom: 0; }
.console-columns { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; }
.import-card, .guide-card { border: 1px solid var(--line); border-radius: var(--radius); }
.import-card .card-body, .guide-card .card-body { padding: 22px; }
.import-card h2, .guide-card h2 { font-size: 1.2rem; margin-bottom: 7px; }
.import-card p, .guide-card p, .guide-card ol { color: var(--muted); font-size: .9rem; }
.import-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; margin-block: 14px; }
.address-details { border-top: 1px solid var(--line); padding-top: 12px; font-size: .87rem; }
.address-details summary { cursor: pointer; color: var(--accent); }
.address-details input { margin-top: 8px; font: .78rem ui-monospace, monospace; }
.copy-status { min-height: 1.25rem; font-size: .84rem; color: #145e4b; margin: 8px 0 0; }
.guide-card ol { padding-left: 1.15rem; margin-bottom: 0; }
.guide-card li + li { margin-top: 7px; }
.logout-form { margin: 0; }
@media (max-width: 780px) {
  .hero { grid-template-columns: 1fr; gap: 22px; }
  .hero-visual { max-width: 435px; }
  .console-columns { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
  .site-width { width: calc(100% - 28px); }
  .bar { min-height: 59px; }
  .site-nav { gap: 10px; }
  .site-nav > a:not(.btn) { display: none; }
  .hero { margin-top: 15px; border-radius: 18px; }
  .hero h1 { font-size: 2.65rem; }
  .node-grid, .steps { grid-template-columns: 1fr; }
  .node-card .card-body { padding: 18px; }
  .content-section { padding-top: 31px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

[hidden] { display: none !important; }