/* Sprint 15A — 玖衍防务 · 产品门户 */
:root {
  --portal-bg: #0a0e14;
  --portal-panel: #121a24;
  --portal-border: #2a3f5f;
  --portal-accent: #7ad8ff;
  --portal-gold: #ffd166;
  --portal-purple: #b388ff;
  --portal-green: #69f0ae;
  --portal-muted: #78909c;
}

* { box-sizing: border-box; }

body.portal-body {
  margin: 0;
  min-height: 100vh;
  font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--portal-bg);
  color: #e8eaed;
  display: flex;
  flex-direction: column;
}

.portal-bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(122, 216, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 216, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 20%, transparent 70%);
}

.portal-header {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 60px;
  background: linear-gradient(180deg, rgba(26, 35, 50, 0.95), rgba(13, 27, 42, 0.85));
  border-bottom: 1px solid var(--portal-border);
  backdrop-filter: blur(8px);
}

.portal-header .brand-product { font-size: 20px; }

.portal-header-meta {
  font-size: 11px;
  color: var(--portal-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.portal-main {
  position: relative;
  z-index: 1;
  flex: 1;
  max-width: 1328px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 24px 48px;
}

.portal-hero {
  text-align: center;
  margin-bottom: 40px;
}

.portal-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  color: var(--portal-accent);
  letter-spacing: 0.06em;
}

.portal-hero p {
  margin: 0 auto;
  max-width: 720px;
  color: var(--portal-muted);
  font-size: 14px;
  line-height: 1.7;
}

.portal-cards {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.home_item1 {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 438px;
  padding: 36px 40px;
  border-radius: 12px;
  border: 1px solid var(--portal-border);
  background: linear-gradient(135deg, var(--portal-panel) 0%, #0d1520 100%);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.home_item1::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--card-accent, var(--portal-accent)), transparent);
  opacity: 0.7;
}

.home_item1:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
  border-color: color-mix(in srgb, var(--card-accent, var(--portal-accent)) 40%, var(--portal-border));
}

.home_item1--tw { --card-accent: #ffb74d; }
.home_item1--kyqb { --card-accent: #7ad8ff; }
.home_item1--term { --card-accent: #b388ff; }
.home_item1--zbsj { --card-accent: #ffd166; }

.portal-cards-secondary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.home_item1--compact {
  min-height: 360px;
  padding: 28px 32px;
}

.home_item1--compact h2 {
  font-size: clamp(18px, 2vw, 22px);
  margin-bottom: 12px;
}

.home_item1--compact .home_item1-desc {
  font-size: 13px;
  margin-bottom: 16px;
}

.home_item1--external .home_item1-badge .dot {
  background: var(--portal-gold);
}

.home_item1-highlights {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.home_item1-highlight {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #cfd8dc;
}

.home_item1-highlight-icon {
  color: var(--card-accent, var(--portal-gold));
  font-size: 10px;
}

.home_item1-ext-url {
  font-size: 11px;
  color: var(--portal-muted);
  text-align: center;
  letter-spacing: 0.04em;
}

.btn-portal-external .btn-ext-icon {
  font-size: 14px;
  opacity: 0.85;
  margin-left: 2px;
}

.home_item1--live {
  border-color: color-mix(in srgb, var(--portal-accent) 35%, var(--portal-border));
}

.home_item1-content { max-width: 820px; }

.home_item1-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--card-accent, var(--portal-accent));
  background: color-mix(in srgb, var(--card-accent, var(--portal-accent)) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--card-accent, var(--portal-accent)) 35%, transparent);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.home_item1-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--card-accent);
  animation: portalPulse 2s ease-in-out infinite;
}

.home_item1--live .home_item1-badge .dot { background: var(--portal-green); }

@keyframes portalPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.home_item1 h2 {
  margin: 0 0 16px;
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 700;
  line-height: 1.35;
  color: #f5f5f5;
}

.home_item1-desc {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.75;
  color: #b0bec5;
}

.home_item1-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.home_item1-tag {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 4px;
  background: rgba(13, 27, 42, 0.8);
  border: 1px solid var(--portal-border);
  color: var(--portal-muted);
}

.home_item1-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 8px;
}

.home_item1-stat {
  min-width: 100px;
  padding: 10px 14px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--portal-border);
}

.home_item1-stat .v {
  font-size: 20px;
  font-weight: 700;
  color: var(--portal-gold);
  font-variant-numeric: tabular-nums;
}

.home_item1-stat .l {
  font-size: 10px;
  color: var(--portal-muted);
  margin-top: 4px;
}

.home_item1-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  min-width: 160px;
}

.btn-portal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.15s;
}

.btn-portal-primary {
  background: linear-gradient(135deg, #1e6fbf, #1565c0);
  color: #fff;
  box-shadow: 0 4px 20px rgba(30, 111, 191, 0.35);
}

.btn-portal-primary:hover {
  background: linear-gradient(135deg, #2196f3, #1976d2);
  transform: translateY(-1px);
}

.btn-portal-secondary {
  background: transparent;
  color: var(--portal-accent);
  border: 1px solid var(--portal-border);
}

.btn-portal-secondary:hover {
  background: rgba(122, 216, 255, 0.08);
  border-color: var(--portal-accent);
}

.btn-portal-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--portal-muted);
  border: 1px dashed var(--portal-border);
}

.btn-portal-ghost:hover {
  color: var(--card-accent);
  border-color: var(--card-accent);
}

.home_item1-visual {
  position: absolute;
  right: -20px;
  bottom: -30px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--card-accent) 15%, transparent), transparent 70%);
  pointer-events: none;
}

@media (max-width: 900px) {
  .portal-cards-secondary { grid-template-columns: 1fr; }
  .home_item1 {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 28px 24px;
  }
  .home_item1--compact { min-height: auto; }
  .home_item1-actions { flex-direction: row; flex-wrap: wrap; }
  .btn-portal { flex: 1; min-width: 140px; }
}