:root {
  --bg: #f4f7fb;
  --bg-soft: #eef4fb;
  --card: rgba(255,255,255,0.96);
  --text: #17304c;
  --text-soft: #5c6f86;
  --primary: #273e96;
  --primary-2: #23bac8;
  --primary-3: #1e8fb8;
  --white: #ffffff;
  --success: #0f766e;
  --warning: #92400e;
  --danger: #b42318;
  --border: rgba(31, 69, 125, 0.12);
  --shadow: 0 22px 60px rgba(20, 41, 86, 0.12);
  --shadow-soft: 0 14px 32px rgba(22, 49, 95, 0.10);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(35,186,200,.18) 0, transparent 24%),
    radial-gradient(circle at top right, rgba(39,62,150,.14) 0, transparent 26%),
    linear-gradient(180deg, #f7fbff 0%, #f2f6fb 100%);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(12, 23, 54, 0.72);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: #fff;
  font-weight: 800;
  min-width: 0;
}
.brand-logo {
  height: 38px;
  width: auto;
  flex: none;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-text small {
  opacity: .78;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  color: rgba(255,255,255,.84);
  font-size: 14px;
  font-weight: 700;
  transition: .22s ease;
}
.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  background: rgba(255,255,255,.14);
}
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 34px 22px 72px;
}
.hero {
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-3) 32%, var(--primary-2) 100%);
  color: #fff;
  border-radius: 0 0 36px 36px;
  box-shadow: inset 0 -50px 80px rgba(255,255,255,.04);
}
.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 22px 66px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 28px;
  align-items: start;
}
.kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.hero .kicker { color: rgba(255,255,255,.84); }
.hero-copy h1,
h1 {
  margin: 14px 0 14px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.04;
}
.hero-copy p,
.lead {
  font-size: 18px;
  line-height: 1.7;
}
.hero-copy p { color: rgba(255,255,255,.92); max-width: 720px; }
.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.hero-panel {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 28px;
  backdrop-filter: blur(8px);
  padding: 24px;
  box-shadow: 0 20px 50px rgba(6, 21, 53, 0.18);
}
.hero-panel h3 { margin: 0 0 16px; font-size: 24px; }
.hero-panel p { margin: 0 0 14px; color: rgba(255,255,255,.88); line-height: 1.65; }
.hero-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}
.hero-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.10);
}
.hero-list .bullet {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,.18);
  font-weight: 900;
}
.section { margin-top: 28px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}
.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: -38px;
  position: relative;
  z-index: 2;
}
.info-card, .form-card { padding: 26px; }
.info-card .icon,
.trust-item .icon,
.stat-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(39,62,150,.10), rgba(35,186,200,.18));
  color: var(--primary);
  font-weight: 900;
  margin-bottom: 10px;
}
.info-card h3,
.section-title {
  color: var(--text);
  margin: 6px 0 8px;
}
.section-title { font-size: 28px; }
.info-card p,
.muted,
.hint,
.form-card p,
.table-help {
  color: var(--text-soft);
  line-height: 1.65;
}
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.trust-panel {
  padding: 26px;
  display: grid;
  gap: 14px;
}
.trust-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, #f8fbff 0%, #f4f9ff 100%);
  border: 1px solid rgba(39,62,150,.09);
}
.form-card { padding: 28px; }
.page-top {
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-3) 34%, var(--primary-2) 100%);
  color: #fff;
  border-radius: 0 0 34px 34px;
}
.page-top-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 42px 22px 48px;
}
.page-top h1 { margin-bottom: 8px; }
.page-top p { margin: 0; color: rgba(255,255,255,.92); max-width: 860px; line-height: 1.65; font-size: 17px; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
label {
  font-weight: 800;
  color: var(--text);
  font-size: 14px;
}
input, select, textarea {
  width: 100%;
  border: 1px solid rgba(23,48,76,.14);
  border-radius: 15px;
  padding: 13px 14px;
  font: inherit;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: .18s ease;
}
input:focus, select:focus, textarea:focus {
  border-color: rgba(39,62,150,.45);
  box-shadow: 0 0 0 4px rgba(35, 186, 200, 0.12);
}
textarea { min-height: 160px; resize: vertical; }
.btn {
  border: 0;
  border-radius: 999px;
  padding: 14px 20px;
  font-weight: 800;
  font-size: 15px;
  cursor: pointer;
  transition: .2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary {
  background: linear-gradient(135deg, #fff 0%, #eefaff 100%);
  color: var(--primary);
  box-shadow: var(--shadow-soft);
}
.page-actions .btn.primary,
.form-card .btn.primary,
.modal .btn.primary,
#adminArea .btn.primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  color: #fff;
}
.btn.secondary { background: #eef5ff; color: var(--primary); }
.btn.ghost { background: #fff; color: var(--primary); border: 1px solid rgba(39,62,150,.16); }
.btn.danger { background: #fee4e2; color: var(--danger); }
.notice {
  border-radius: 20px;
  padding: 16px 18px;
  background: #ecfdf5;
  color: #166534;
  border: 1px solid #bbf7d0;
  line-height: 1.6;
}
.notice.warn {
  background: #fffbeb;
  border-color: #fde68a;
  color: var(--warning);
}
.notice.error {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}
.result-box { display: none; margin-top: 18px; }
.protocol {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 22px;
  font-weight: 900;
  color: var(--primary);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 20px;
  margin-top: 16px;
  background: #fff;
}
table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
}
th, td {
  padding: 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  font-size: 14px;
}
th {
  background: #f7fbff;
  color: var(--text);
}
.badge {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 12px;
  background: #eef5ff;
  color: var(--primary);
}
.badge.high { background: #fff1f2; color: #be123c; }
.modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 24, 48, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  z-index: 100;
}
.modal.open { display: flex; }
.modal-content {
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow: auto;
  padding: 24px;
}
.footer {
  padding: 26px 22px 36px;
  color: var(--text-soft);
  text-align: center;
  font-size: 14px;
}
.hidden { display: none !important; }
.spacer-8 { height: 8px; }
@media (max-width: 980px) {
  .hero-inner,
  .info-grid,
  .two-col,
  .grid-3,
  .form-grid {
    grid-template-columns: 1fr;
  }
  .info-grid { margin-top: 18px; }
}
@media (max-width: 760px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-links {
    justify-content: flex-start;
  }
  .brand-logo { height: 32px; }
  .container { padding-top: 24px; }
  .hero-inner { padding-top: 42px; padding-bottom: 48px; }
  .page-top-inner { padding-top: 34px; padding-bottom: 38px; }
}