/* ============ 首页专用样式 ============ */

/* ---- 首屏 ---- */
.home-hero {
  min-height: min(calc(100vh - 60px), 780px);
  position: relative;
  display: flex; flex-direction: column; justify-content: center;
  padding: 60px 0 0 7vw;
  overflow: hidden;
}
.home-hero .bg-grid {
  position: absolute; inset: 0; z-index: -2;
  background-image:
    linear-gradient(#eef1f5 1px, transparent 1px),
    linear-gradient(90deg, #eef1f5 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(to bottom, black 60%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent);
}
.home-hero .bg-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: 34%; z-index: -1;
  background: linear-gradient(200deg, #eef3fa, #e6edf7 70%);
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
}
.home-hero .eyebrow {
  display: flex; align-items: center; gap: 11px;
  font-size: 12px; color: var(--gold); letter-spacing: 4px;
  margin-bottom: 20px;
}
.home-hero .eyebrow::before { content: ""; width: 32px; height: 1px; background: var(--gold); }
.home-hero h1 {
  font-family: var(--serif);
  font-size: clamp(34px, 3.8vw, 52px);
  font-weight: 700; letter-spacing: 7px; line-height: 1.35;
  color: var(--navy);
}
.home-hero .desc {
  margin-top: 20px; font-size: 14px; line-height: 2; color: #5a6880;
  letter-spacing: 1px; max-width: 480px;
}
.home-hero .actions { margin-top: 30px; display: flex; gap: 14px; }

.home-hero .side-stats {
  position: absolute; right: 8vw; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column;
}
.home-hero .sstat {
  padding: 16px 0 16px 20px;
  border-left: 2px solid #d5deea;
  position: relative;
}
.home-hero .sstat::before {
  content: ""; position: absolute; left: -2px; top: 16px; height: 26px; width: 2px;
  background: var(--gold);
}
.home-hero .sstat .num {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px; font-weight: 700; color: var(--navy); line-height: 1;
}
.home-hero .sstat .num span { font-size: 13px; color: var(--gold); margin-left: 3px; }
.home-hero .sstat .label { font-size: 11.5px; color: var(--text-light); margin-top: 6px; letter-spacing: 2px; }

/* ---- 集团简介 ---- */
.intro-grid {
  display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: center;
}
.intro-text p { color: var(--text); letter-spacing: .5px; margin-bottom: 16px; text-align: justify; }
.intro-text .btn { margin-top: 10px; }

/* ---- 三大板块 ---- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pillar {
  background: var(--white);
  border: 1px solid var(--line-soft);
  padding: 32px 28px 28px;
  position: relative;
  transition: all .35s;
}
.pillar:hover {
  border-color: transparent;
  box-shadow: 0 24px 56px rgba(20,53,95,.1);
  transform: translateY(-4px);
}
.pillar .num {
  font-family: Georgia, serif; font-size: 13px; color: var(--gold); letter-spacing: 2px;
  margin-bottom: 16px; display: block;
}
.pillar .icon {
  width: 42px; height: 42px; margin-bottom: 18px;
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 18px; color: var(--navy);
  transition: all .35s;
}
.pillar:hover .icon { background: var(--navy); color: #fff; border-color: var(--navy); }
.pillar h3 {
  font-family: var(--serif); font-size: 18px; letter-spacing: 3px; color: var(--ink);
  margin-bottom: 5px;
}
.pillar .en {
  font-size: 10px; letter-spacing: 1.5px; color: var(--text-faint);
  text-transform: uppercase; font-family: Georgia, serif; margin-bottom: 14px;
}
.pillar p { font-size: 13px; color: var(--text-light); line-height: 1.9; letter-spacing: .3px; }
.pillar .more {
  margin-top: 18px; display: inline-block;
  font-size: 12px; color: var(--navy); letter-spacing: 1.5px;
}
.pillar .more:hover { color: var(--gold); }

/* ---- 产业版图（子公司切换） ---- */
.portfolio-tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
}
.portfolio-tabs .tab {
  padding: 12px 30px;
  font-size: 14px; letter-spacing: 2px; color: var(--text-light);
  cursor: pointer; position: relative;
  transition: color .3s;
  background: none; border: none; font-family: var(--sans);
}
.portfolio-tabs .tab::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--navy); transform: scaleX(0); transition: transform .3s;
}
.portfolio-tabs .tab.active { color: var(--navy); font-weight: 600; }
.portfolio-tabs .tab.active::after { transform: scaleX(1); }
.portfolio-tabs .tab:hover { color: var(--navy); }

.portfolio-panel { display: none; }
.portfolio-panel.active { display: grid; grid-template-columns: 1fr 1.05fr; gap: 44px; align-items: center; }
.portfolio-panel .p-info .tag {
  display: inline-block; font-size: 11px; color: var(--gold); letter-spacing: 2px;
  border: 1px solid #ddd0b5; padding: 3px 10px; margin-bottom: 16px;
}
.portfolio-panel .p-info h3 {
  font-family: var(--serif); font-size: 23px; letter-spacing: 4px; color: var(--navy);
  margin-bottom: 4px;
}
.portfolio-panel .p-info .en {
  font-size: 10.5px; letter-spacing: 1.5px; color: var(--text-faint);
  font-family: Georgia, serif; margin-bottom: 16px;
}
.portfolio-panel .p-info p { color: var(--text); font-size: 13.5px; letter-spacing: .5px; margin-bottom: 18px; text-align: justify; }
.portfolio-panel .p-facts { display: flex; gap: 32px; margin-bottom: 22px; }
.portfolio-panel .p-facts .f .v {
  font-family: Georgia, serif; font-size: 20px; font-weight: 700; color: var(--navy);
}
.portfolio-panel .p-facts .f .v span { font-size: 11.5px; color: var(--gold); }
.portfolio-panel .p-facts .f .k { font-size: 11.5px; color: var(--text-light); letter-spacing: 1.5px; margin-top: 3px; }
.portfolio-panel .p-actions { display: flex; gap: 12px; }
.portfolio-panel .p-actions .btn { padding: 9px 22px; font-size: 12.5px; }

/* ---- 全国布局：城市矩阵（无图版地图） ---- */
.map-section .wrap {
  display: grid; grid-template-columns: 1fr 1.35fr; gap: 48px; align-items: start;
}
.map-lead { color: var(--text); font-size: 13.5px; letter-spacing: .5px; margin-bottom: 22px; text-align: justify; }
.city-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.city-tile {
  background: var(--white); border: 1px solid var(--line-soft);
  padding: 22px 20px 18px; position: relative; overflow: hidden;
  transition: all .3s;
}
.city-tile:hover { box-shadow: 0 14px 34px rgba(20,53,95,.09); border-color: transparent; }
.city-tile .c-en {
  font-family: Georgia, serif; font-size: 10px; letter-spacing: 2px;
  color: var(--text-faint); text-transform: uppercase; margin-bottom: 8px;
}
.city-tile .c-name {
  font-family: var(--serif); font-size: 21px; font-weight: 700;
  color: var(--navy); letter-spacing: 3px;
}
.city-tile .c-name .hq-badge {
  font-size: 9.5px; color: #fff; background: var(--gold);
  padding: 1px 6px; margin-left: 7px; letter-spacing: 1.5px; vertical-align: middle;
  font-family: var(--sans); font-weight: 400;
}
.city-tile .c-role { font-size: 11.5px; color: var(--text-light); margin-top: 8px; letter-spacing: .5px; line-height: 1.7; }
.city-tile::after {
  content: ""; position: absolute; left: 0; top: 0; width: 3px; height: 0;
  background: var(--gold); transition: height .3s;
}
.city-tile:hover::after { height: 100%; }

/* ---- 资质与荣誉 ---- */
.honors { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.honor {
  background: var(--white); border: 1px solid var(--line-soft);
  padding: 26px 20px; text-align: center;
  transition: all .3s;
}
.honor:hover { box-shadow: 0 16px 40px rgba(20,53,95,.08); }
.honor .h-icon {
  width: 40px; height: 40px; margin: 0 auto 14px; border-radius: 50%;
  border: 1px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold); font-size: 16px; font-family: var(--serif);
}
.honor .t { font-size: 13.5px; color: var(--ink); letter-spacing: .5px; line-height: 1.6; }
.honor .s { font-size: 11.5px; color: var(--text-faint); margin-top: 6px; letter-spacing: .5px; }

/* ---- 底部召唤区 ---- */
.cta-band {
  background: linear-gradient(120deg, #14355f, #1d4a80);
  padding: 52px 0;
  text-align: center; color: #fff;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: "本"; position: absolute; right: -30px; top: 50%; transform: translateY(-50%);
  font-family: var(--serif); font-size: 240px; color: rgba(255,255,255,.045);
  line-height: 1;
}
.cta-band h2 { font-family: var(--serif); font-size: 24px; letter-spacing: 6px; font-weight: 600; margin-bottom: 12px; }
.cta-band p { color: #b9c8dd; letter-spacing: 1.5px; margin-bottom: 26px; font-size: 13px; }
.cta-band .btn { background: #fff; color: var(--navy); }
.cta-band .btn:hover { background: var(--gold); color: #fff; }

@media (max-width: 1024px) {
  .home-hero {
    min-height: 0;
    padding: 130px 18px 40px;
  }
  .home-hero .bg-panel { width: 46%; opacity: .55; }
  .home-hero .side-stats {
    position: static; transform: none;
    flex-direction: row; flex-wrap: wrap;
    margin-top: 36px; gap: 18px 0;
  }
  .home-hero .sstat { flex: 1 1 40%; padding: 4px 0 4px 16px; }
  .home-hero .sstat::before { top: 4px; }
  .intro-grid, .portfolio-panel.active, .map-section .wrap { grid-template-columns: 1fr; gap: 28px; }
  .pillars { grid-template-columns: 1fr; gap: 14px; }
  .honors { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .city-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .portfolio-tabs { overflow-x: auto; scrollbar-width: none; }
  .portfolio-tabs::-webkit-scrollbar { display: none; }
  .portfolio-tabs .tab { padding: 10px 18px; font-size: 13px; flex-shrink: 0; }
}