/* 俄通官网 · 新版风格 — 高端物流企业形象 */
:root {
  --blue: #0a2540;
  --blue-dark: #051525;
  --blue-mid: #123d66;
  --blue-light: #1e5a8a;
  --blue-soft: #e8eef5;
  --blue-bg: #f0f4f9;
  --red: #d41820;
  --red-dark: #b01218;
  --red-light: rgba(212,24,32,0.08);
  --red-glow: rgba(212,24,32,0.35);
  --gold: #c9a227;
  --text: #0f1c2e;
  --text-secondary: #4a5d73;
  --text-muted: #8494a7;
  --white: #fff;
  --border: rgba(10,37,64,0.08);
  --glass: rgba(255,255,255,0.92);
  --shadow: 0 8px 32px rgba(10,37,64,0.08);
  --shadow-lg: 0 24px 64px rgba(10,37,64,0.14);
  --shadow-xl: 0 32px 80px rgba(10,37,64,0.18);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --header-h: 80px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  line-height: 1.7;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease), opacity 0.25s var(--ease); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }

/* 顶栏 */
.top-bar {
  background: var(--blue-dark);
  color: rgba(255,255,255,0.75);
  font-size: 12px;
  padding: 10px 0;
  letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.top-bar-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.top-bar a { color: rgba(255,255,255,0.9); }
.top-bar a:hover { color: #fff; }
.top-bar-right { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }

.lang-switch { display: flex; gap: 2px; background: rgba(255,255,255,0.06); border-radius: 6px; padding: 3px; }
.lang-switch button {
  background: transparent; border: none;
  color: rgba(255,255,255,0.65);
  padding: 4px 12px; border-radius: 4px;
  font-size: 11px; font-weight: 600;
  cursor: pointer; font-family: inherit;
  transition: all 0.2s var(--ease);
}
.lang-switch button.active { background: var(--red); color: #fff; }
.lang-switch button:not(.active):hover { color: #fff; }

/* 头部 — 透明悬浮 */
.site-header {
  position: fixed;
  top: 37px;
  left: 0; right: 0;
  z-index: 300;
  transition: all 0.4s var(--ease);
}
.site-header.is-scrolled {
  top: 0;
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border), var(--shadow);
}
.header-row {
  display: flex;
  align-items: center;
  height: var(--header-h);
  gap: 40px;
}
.logo-image { height: 52px; width: auto; object-fit: contain; }

.main-nav { display: flex; gap: 6px; margin-left: auto; }
.main-nav a {
  padding: 12px 20px;
  font-size: 16px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  border-radius: 8px;
  letter-spacing: 0.02em;
}
.site-header.is-scrolled .main-nav a { color: var(--text-secondary); }
.main-nav a:hover { color: #fff; background: rgba(255,255,255,0.1); }
.site-header.is-scrolled .main-nav a:hover { color: var(--blue); background: var(--blue-soft); }
.main-nav a.active { color: #fff; font-weight: 700; font-size: 17px; }
.site-header.is-scrolled .main-nav a.active { color: var(--red); background: transparent; }

.header-actions { display: flex; align-items: center; gap: 20px; }
.header-tel { text-align: right; line-height: 1.3; }
.header-tel > a { text-decoration: none; color: inherit; display: block; }
.header-tel b { display: block; font-size: 20px; font-weight: 800; color: #fff; line-height: 1.2; letter-spacing: 0.02em; }
.site-header.is-scrolled .header-tel b { color: var(--red); }
.header-tel > a:hover b { color: var(--red); }
.header-tel small { display: block; font-size: 11px; color: rgba(255,255,255,0.6); margin-top: 2px; }
.site-header.is-scrolled .header-tel small { color: var(--text-muted); }
.header-tel-landline {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}
.site-header.is-scrolled .header-tel-landline { color: var(--blue); }
.header-tel-landline:hover { color: var(--red); }
body.subpage .header-tel-landline { color: var(--blue); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 10px;
  background: rgba(255,255,255,0.1);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.site-header.is-scrolled .nav-toggle { border-color: var(--border); background: var(--white); }
.nav-toggle span { display: block; width: 20px; height: 2px; background: #fff; border-radius: 1px; transition: background 0.3s; }
.site-header.is-scrolled .nav-toggle span { background: var(--blue); }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px;
  font-size: 14px; font-weight: 600;
  border-radius: 8px;
  border: none; cursor: pointer;
  font-family: inherit;
  letter-spacing: 0.04em;
  transition: all 0.3s var(--ease);
}
.btn-red {
  background: var(--red);
  color: #fff;
  box-shadow: 0 4px 16px var(--red-glow);
}
.btn-red:hover { background: var(--red-dark); transform: translateY(-2px); box-shadow: 0 8px 28px var(--red-glow); }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-mid); transform: translateY(-2px); }
.btn-outline {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.45);
  backdrop-filter: blur(8px);
}
.btn-outline:hover { background: rgba(255,255,255,0.18); border-color: #fff; transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--blue); border: 1.5px solid var(--border); }
.btn-ghost:hover { border-color: var(--blue); background: var(--blue-soft); }

/* ===== Hero ===== */
.hero-slider {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  background: var(--blue-dark);
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s var(--ease);
  pointer-events: none;
}
.hero-slide.active { opacity: 1; pointer-events: auto; }
.hero-slide-bg {
  position: absolute;
  inset: -5%;
  background-size: cover;
  background-position: center;
  transform: scale(1.12);
  transition: transform 10s linear;
}
.hero-slide.active .hero-slide-bg { transform: scale(1); }
.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5,21,37,0.55) 0%, rgba(5,21,37,0.2) 40%, rgba(5,21,37,0.75) 100%),
    linear-gradient(90deg, rgba(5,21,37,0.85) 0%, rgba(5,21,37,0.45) 50%, rgba(5,21,37,0.15) 100%);
}
.hero-slide-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 0 200px;
}
.hero-slide-content { max-width: 720px; }
.hero-slide-content .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-slide-content .hero-tag::before {
  content: '';
  width: 40px; height: 2px;
  background: var(--red);
}
.hero-slide-content h1 {
  font-size: clamp(36px, 5.5vw, 62px);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero-slide-content .hero-sub {
  font-size: clamp(18px, 2.5vw, 24px);
  color: rgba(255,255,255,0.95);
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.hero-slide-content .hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
  max-width: 560px;
  line-height: 1.85;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 56px; height: 56px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  transition: all 0.3s var(--ease);
}
.hero-arrow:hover { background: var(--red); border-color: var(--red); transform: translateY(-50%) scale(1.05); }
.hero-arrow.prev { left: 32px; }
.hero-arrow.next { right: 32px; }

.hero-dots {
  position: absolute;
  bottom: 180px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 10px;
  align-items: center;
}
.hero-dots button {
  width: 8px; height: 8px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
  transition: all 0.4s var(--ease);
  padding: 0;
}
.hero-dots button.active { background: var(--red); width: 32px; border-radius: 4px; }

/* Hero 底部快捷入口 */
.hero-quick {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 5;
  background: rgba(5,21,37,0.75);
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.hero-quick-inner {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
}
.hero-quick-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 22px 12px;
  color: rgba(255,255,255,0.8);
  font-size: 13px;
  font-weight: 500;
  border-right: 1px solid rgba(255,255,255,0.06);
  transition: all 0.3s var(--ease);
}
.hero-quick-item:last-child { border-right: none; }
.hero-quick-item:hover { background: rgba(212,24,32,0.15); color: #fff; }
.hero-quick-item svg { width: 20px; height: 20px; stroke: var(--red); flex-shrink: 0; }

/* 运踪 + 统计 叠层区 */
.hero-bottom-zone {
  position: relative;
  z-index: 20;
  margin-top: -80px;
  padding-bottom: 80px;
}
.track-bar {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 8px 8px 8px 32px;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid rgba(255,255,255,0.8);
}
.track-bar-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--blue), var(--blue-mid));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.track-bar-icon svg { width: 22px; height: 22px; stroke: #fff; }
.track-bar label { font-weight: 700; color: var(--blue); font-size: 15px; white-space: nowrap; }
.track-bar select,
.track-bar input {
  flex: 1;
  min-width: 120px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.2s;
}
.track-bar select:focus,
.track-bar input:focus { outline: none; border-color: var(--blue-light); }
.track-bar .btn { border-radius: 10px; padding: 14px 28px; flex-shrink: 0; }

.stats-float {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 36px;
}
.stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px 28px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--red));
}
.stat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.stat-card b {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 3px;
  font-size: clamp(40px, 4.2vw, 52px);
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}
.stat-card b span { font-size: inherit; font-weight: inherit; }
.stat-card b em {
  font-style: normal;
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 800;
  color: var(--red);
  line-height: 1;
}
.stat-card > span {
  font-size: 15px;
  color: var(--text-secondary);
  margin-top: 12px;
  display: block;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* 通用区块 */
.section { padding: 100px 0; position: relative; }
.section-blue { background: var(--blue-bg); }
.section-dark {
  background: var(--blue-dark);
  color: #fff;
  overflow: hidden;
}
.section-dark::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 60%; height: 200%;
  background: radial-gradient(ellipse, rgba(30,90,138,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.section-head { margin-bottom: 56px; }
.section-head.center { text-align: center; }
.section-head.center p { max-width: 600px; margin: 0 auto; }
.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.section-head-left { max-width: 640px; }
.section-label {
  display: inline-flex;
  align-items: center;
  margin-bottom: 16px;
}
.section-label .tag {
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.section-biz .section-label .tag {
  font-size: 17px;
  letter-spacing: 0.14em;
}
.section-head h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--blue);
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.section-head-row .section-head-left h2 { white-space: normal; }
.section-dark .section-head h2 { color: #fff; }
.section-head p { font-size: 16px; color: var(--text-secondary); margin-top: 14px; line-height: 1.8; }
.section-dark .section-head p { color: rgba(255,255,255,0.65); }

/* 主营业务 — 3 列大图（首项双行） */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-tile {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  cursor: pointer;
}
.service-tile:first-child { grid-row: span 2; aspect-ratio: auto; }
.service-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.service-tile:hover img { transform: scale(1.08); }
.service-tile-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,21,37,0.92) 0%, rgba(5,21,37,0.35) 50%, rgba(5,21,37,0.1) 100%);
  transition: background 0.4s var(--ease);
}
.service-tile:hover .service-tile-overlay {
  background: linear-gradient(to top, rgba(5,21,37,0.95) 0%, rgba(5,21,37,0.5) 60%, rgba(5,21,37,0.2) 100%);
}
.service-tile-body {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 28px;
  z-index: 2;
}
.service-tile-num {
  font-size: 48px;
  font-weight: 800;
  color: rgba(255,255,255,0.12);
  line-height: 1;
  position: absolute;
  top: 20px; right: 24px;
}
.service-tile-icon {
  width: 44px; height: 44px;
  background: var(--red);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.service-tile-icon svg { width: 22px; height: 22px; stroke: #fff; fill: none; stroke-width: 1.8; }
.service-tile h3 { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.service-tile p { font-size: 13px; color: rgba(255,255,255,0.75); line-height: 1.7; margin-bottom: 14px; opacity: 0; transform: translateY(8px); transition: all 0.4s var(--ease); }
.service-tile:hover p { opacity: 1; transform: translateY(0); }
.service-tile .more {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--red);
  opacity: 0; transition: opacity 0.3s;
}
.service-tile:hover .more { opacity: 1; color: #fff; }

/* 主营业务 — Tab 切换 */
.section-biz { background: var(--blue-bg); }
.btn-round { border-radius: 999px; padding: 12px 28px; }

.biz-tabs-wrap { margin-top: 8px; }
.biz-tabs-nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 28px;
}
.biz-tab {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.biz-tab svg { width: 22px; height: 22px; stroke: var(--text-muted); flex-shrink: 0; transition: stroke 0.3s; }
.biz-tab:hover { color: var(--blue); }
.biz-tab:hover svg { stroke: var(--blue); }
.biz-tab.active {
  color: var(--red);
  border-bottom-color: var(--red);
}
.biz-tab.active svg { stroke: var(--red); }

.biz-tab-panels { position: relative; min-height: 200px; }
.biz-tab-panel {
  display: none;
  animation: bizFadeIn 0.4s var(--ease);
}
.biz-tab-panel.active { display: block; }
@keyframes bizFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 业务卡片横向滚动 — 一行 3 个 */
.biz-slider {
  position: relative;
  padding: 0 56px;
}
.biz-cards-scroll {
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.biz-cards-scroll::-webkit-scrollbar { display: none; }
.biz-cards {
  display: flex;
  flex-wrap: nowrap;
  gap: 16px;
}
.biz-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  display: block;
  flex: 0 0 calc((var(--scroll-w, 1200px) - 32px) / 3);
  scroll-snap-align: start;
}
.biz-slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--white);
  color: var(--blue);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transition: all 0.25s var(--ease);
}
.biz-slider-arrow:hover:not(:disabled) {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}
.biz-slider-arrow:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.biz-slider-arrow.prev { left: 0; }
.biz-slider-arrow.next { right: 0; }
.biz-slider.no-scroll .biz-slider-arrow { display: none; }
.biz-slider.no-scroll { padding: 0; }
.biz-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.biz-card:hover img { transform: scale(1.08); }
.biz-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,21,37,0.85) 0%, rgba(5,21,37,0.25) 55%, rgba(5,21,37,0.05) 100%);
  transition: background 0.35s var(--ease);
}
.biz-card:hover .biz-card-overlay {
  background: linear-gradient(to top, rgba(212,24,32,0.75) 0%, rgba(5,21,37,0.45) 60%, rgba(5,21,37,0.15) 100%);
}
.biz-card-body {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
}
.biz-card-body svg {
  width: 24px; height: 24px;
  stroke: #fff; fill: none; stroke-width: 1.8;
  flex-shrink: 0;
}
.biz-card-body span {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

/* 旧版两大板块样式（保留兼容） */
.biz-two-blocks { display: flex; flex-direction: column; gap: 32px; }
.biz-block {
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding: 36px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.4s var(--ease);
}
.biz-block:hover { box-shadow: var(--shadow-lg); }
.biz-block-alt { background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-mid) 100%); border-color: transparent; }
.biz-block-head {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.biz-block-alt .biz-block-head { border-bottom-color: rgba(255,255,255,0.12); }
.biz-block-num {
  font-size: 48px;
  font-weight: 800;
  color: var(--red);
  line-height: 1;
  opacity: 0.85;
}
.biz-block-head h3 { font-size: 24px; font-weight: 800; color: var(--blue); margin-bottom: 6px; }
.biz-block-alt .biz-block-head h3 { color: #fff; }
.biz-block-head p { font-size: 15px; color: var(--text-secondary); margin: 0; }
.biz-block-alt .biz-block-head p { color: rgba(255,255,255,0.7); }
.biz-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.biz-items-3 { grid-template-columns: repeat(3, 1fr); }
.biz-item {
  display: block;
  padding: 24px;
  background: var(--blue-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all 0.35s var(--ease);
  position: relative;
  overflow: hidden;
}
.biz-block-alt .biz-item { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.1); }
.biz-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 0;
  background: var(--red);
  transition: height 0.35s var(--ease);
}
.biz-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--blue-light); }
.biz-block-alt .biz-item:hover { background: rgba(255,255,255,0.14); border-color: rgba(255,255,255,0.25); }
.biz-item:hover::before { height: 100%; }
.biz-item-icon {
  width: 44px; height: 44px;
  background: var(--blue);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  transition: background 0.3s;
}
.biz-block-alt .biz-item-icon { background: var(--red); }
.biz-item-icon svg { width: 22px; height: 22px; stroke: #fff; fill: none; stroke-width: 1.8; }
.biz-item h4 { font-size: 16px; font-weight: 700; color: var(--blue); margin-bottom: 8px; line-height: 1.4; }
.biz-block-alt .biz-item h4 { color: #fff; }
.biz-item p { font-size: 13px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 12px; }
.biz-block-alt .biz-item p { color: rgba(255,255,255,0.65); }
.biz-more { font-size: 13px; font-weight: 600; color: var(--red); opacity: 0; transition: opacity 0.3s; }
.biz-item:hover .biz-more { opacity: 1; }
.biz-block-alt .biz-item:hover .biz-more { color: #fff; }

/* 口岸板块 */
.ports-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 24px;
}
.ports-panel {
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding: 36px;
  box-shadow: var(--shadow);
}
.ports-panel-dark {
  background: linear-gradient(145deg, var(--blue-dark) 0%, var(--blue-mid) 100%);
  border-color: transparent;
  color: #fff;
}
.ports-panel-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--blue-soft);
}
.ports-panel-dark .ports-panel-head { border-bottom-color: rgba(255,255,255,0.12); }
.ports-icon {
  width: 48px; height: 48px;
  background: var(--red);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ports-icon svg { width: 24px; height: 24px; stroke: #fff; }
.ports-panel-head h3 { font-size: 22px; font-weight: 800; color: var(--blue); }
.ports-panel-dark .ports-panel-head h3 { color: #fff; }
.port-group { margin-bottom: 24px; }
.port-group:last-child { margin-bottom: 0; }
.port-group h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.ports-panel-dark .port-group h4 { color: rgba(255,255,255,0.7); }
.port-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.port-tags span {
  padding: 10px 20px;
  background: var(--blue-bg);
  color: var(--blue);
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: all 0.25s var(--ease);
}
.port-tags span:hover { background: var(--blue); color: #fff; border-color: var(--blue); transform: translateY(-2px); }
.ports-panel-dark .port-tags span {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: rgba(255,255,255,0.15);
}
.ports-panel-dark .port-tags span:hover { background: var(--red); border-color: var(--red); }
.transit-pairs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.transit-pair {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all 0.25s var(--ease);
}
.transit-pair:hover { background: rgba(255,255,255,0.14); transform: translateX(4px); }
.transit-cn { font-size: 14px; font-weight: 700; color: #fff; flex: 1; }
.transit-arrow { color: var(--red); font-weight: 700; font-size: 16px; }
.transit-ru { font-size: 13px; color: rgba(255,255,255,0.75); flex: 1; text-align: right; }

/* 主做航线 — 图文卡片（保留兼容） */
.routes-showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.route-visual {
  display: flex;
  gap: 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.4s var(--ease);
}
.route-visual:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.route-visual-img {
  width: 200px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.route-visual-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.route-visual:hover .route-visual-img img { transform: scale(1.06); }
.route-visual-body { padding: 28px 28px 28px 0; flex: 1; display: flex; flex-direction: column; justify-content: center; }
.route-visual-body .route-type {
  font-size: 11px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.route-visual-body h3 { font-size: 20px; font-weight: 700; color: var(--blue); margin-bottom: 8px; }
.route-visual-body .route-path {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-light);
  margin-bottom: 10px;
  padding: 6px 12px;
  background: var(--blue-soft);
  border-radius: 6px;
  display: inline-block;
  width: fit-content;
}
.route-visual-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 14px; }
.route-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.route-tags span {
  font-size: 11px;
  padding: 4px 12px;
  background: var(--blue-bg);
  color: var(--blue-mid);
  border-radius: 20px;
  font-weight: 600;
  border: 1px solid var(--border);
}

/* 新闻 + 案例 */
.news-case-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: start;
}
.news-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.news-panel-head {
  padding: 28px 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.news-panel-head h3 { font-size: 20px; font-weight: 700; color: var(--blue); }
.news-panel-head a { font-size: 13px; font-weight: 600; color: var(--red); }
.news-list { padding: 8px 0; }
.news-list-item {
  display: flex;
  gap: 20px;
  padding: 20px 32px;
  transition: background 0.2s;
  border-bottom: 1px solid var(--border);
}
.news-list-item:last-child { border-bottom: none; }
.news-list-item:hover { background: var(--blue-bg); }
.news-list-item .date-block {
  flex-shrink: 0;
  text-align: center;
  min-width: 56px;
}
.news-list-item .date-block b { display: block; font-size: 28px; font-weight: 800; color: var(--blue); line-height: 1; }
.news-list-item .date-block span { font-size: 11px; color: var(--text-muted); }
.news-list-item h4 { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 6px; line-height: 1.5; }
.news-list-item h4 a:hover { color: var(--red); }
.news-list-item p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

.case-showcase { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 16px; }
.case-showcase .case-featured {
  grid-row: span 2;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  min-height: 360px;
}
.case-showcase .case-featured img,
.case-showcase .case-small img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.case-showcase .case-small {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 16/10;
}
.case-showcase .case-item:hover img { transform: scale(1.06); }
.case-showcase .case-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px 24px;
  background: linear-gradient(transparent, rgba(5,21,37,0.9));
  color: #fff;
}
.case-showcase .case-label span { font-size: 11px; color: var(--red); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; display: block; margin-bottom: 4px; }
.case-showcase .case-label b { font-size: 15px; font-weight: 600; line-height: 1.4; display: block; }

/* 运费计算器 — 分栏 */
.calc-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 0;
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
}
.calc-visual {
  position: relative;
  min-height: 520px;
}
.calc-visual img { width: 100%; height: 100%; object-fit: cover; }
.calc-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5,21,37,0.88) 0%, rgba(10,37,64,0.65) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 48px;
  color: #fff;
}
.calc-visual-overlay h3 { font-size: 28px; font-weight: 800; margin-bottom: 12px; line-height: 1.3; }
.calc-visual-overlay p { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.8; margin-bottom: 24px; }
.calc-visual-stats { display: flex; gap: 32px; }
.calc-visual-stats div b { display: block; font-size: 32px; font-weight: 800; color: var(--red); }
.calc-visual-stats div span { font-size: 12px; color: rgba(255,255,255,0.6); }

.calc-form-wrap { padding: 48px; }
.calc-form-wrap .section-label { margin-bottom: 12px; }
.calc-form-wrap h2 { font-size: 26px; font-weight: 800; color: var(--blue); margin-bottom: 8px; }
.calc-form-wrap .sub { font-size: 14px; color: var(--text-muted); margin-bottom: 28px; }
.calc-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.calc-form label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text-secondary); }
.calc-form input,
.calc-form select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--blue-bg);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.calc-form input:focus,
.calc-form select:focus { outline: none; border-color: var(--blue-light); box-shadow: 0 0 0 3px rgba(30,90,138,0.12); }
.calc-form .full { grid-column: 1 / -1; }
.mode-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.mode-pills label {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 18px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 24px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 0;
  color: var(--text-secondary);
}
.mode-pills label:has(input:checked) { background: var(--blue); border-color: var(--blue); color: #fff; }
.mode-pills input { accent-color: var(--blue); }
.calc-submit { grid-column: 1 / -1; margin-top: 8px; }
.calc-submit .btn { width: 100%; padding: 16px; font-size: 15px; }

/* 客户评价 */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  transition: all 0.3s var(--ease);
}
.testimonial-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.testimonial-card .stars { color: var(--gold); font-size: 14px; margin-bottom: 20px; letter-spacing: 3px; }
.testimonial-card p { font-size: 15px; color: rgba(255,255,255,0.8); line-height: 1.85; margin-bottom: 28px; }
.testimonial-card .author { display: flex; align-items: center; gap: 14px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); }
.testimonial-card .author-avatar {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: #fff;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 18px;
}
.testimonial-card .author-info b { display: block; font-size: 14px; color: #fff; font-weight: 600; }
.testimonial-card .author-info span { font-size: 12px; color: rgba(255,255,255,0.5); }

/* CTA */
.cta-band {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/logistics/port.jpg') center/cover no-repeat;
  opacity: 0.12;
}
.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; color: #fff; margin-bottom: 16px; }
.cta-band p { font-size: 16px; color: rgba(255,255,255,0.75); margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* 尾页 */
.footer-main {
  background: var(--blue-dark);
  color: rgba(255,255,255,0.75);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr minmax(300px, 400px);
  gap: 48px 64px;
  padding-bottom: 48px;
  align-items: start;
}
.footer-brand p { font-size: 14px; line-height: 1.85; margin: 16px 0 0; color: rgba(255,255,255,0.55); max-width: 520px; }
.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}
.footer-phone { font-size: 26px; font-weight: 800; color: #fff; display: block; letter-spacing: 0.02em; text-decoration: none; }
.footer-phone:hover { color: var(--red); }
.footer-phone small { font-size: 13px; color: rgba(255,255,255,0.45); font-weight: 400; display: block; margin-top: 4px; }
.footer-addrs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-addrs li {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,0.5);
}
.footer-addrs li b {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.78);
  margin-bottom: 4px;
}
.footer-aside { align-self: stretch; }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px 36px;
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-nav a {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-nav a:hover { color: #fff; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 20px; letter-spacing: 0.04em; }
.footer-col ul li { margin-bottom: 12px; font-size: 14px; color: rgba(255,255,255,0.55); line-height: 1.6; }
.footer-col ul li a { color: rgba(255,255,255,0.55); }
.footer-col ul li a:hover { color: #fff; }

.qr-group { display: flex; gap: 20px; margin-top: 28px; }
.qr-item { text-align: center; }
.qr-box {
  width: 88px; height: 88px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 8px;
  transition: background 0.2s;
}
.qr-box:hover { background: rgba(255,255,255,0.1); }
.qr-box svg { width: 32px; height: 32px; stroke: rgba(255,255,255,0.5); }
.qr-item span { font-size: 11px; color: rgba(255,255,255,0.45); }

.lead-form {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.lead-form h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.lead-form .sub { font-size: 13px; color: rgba(255,255,255,0.45); margin-bottom: 20px; }
.lead-form input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  color: #fff;
  font-size: 14px;
  font-family: inherit;
  margin-bottom: 12px;
  transition: border-color 0.2s;
}
.lead-form input:focus { outline: none; border-color: rgba(255,255,255,0.35); }
.lead-form input::placeholder { color: rgba(255,255,255,0.35); }
.lead-form button { width: 100%; margin-top: 4px; }

.footer-copy {
  text-align: center;
  padding: 20px 0 28px;
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}

/* 悬浮按钮 */
.float-btns {
  position: fixed;
  right: 24px;
  bottom: 32px;
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.float-btn {
  width: 56px; height: 56px;
  background: var(--red);
  color: #fff;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  line-height: 1.35;
  box-shadow: 0 8px 24px var(--red-glow);
  transition: transform 0.3s var(--ease);
}
.float-btn:hover { transform: translateY(-3px) scale(1.04); color: #fff; }
.float-btn.tel { background: var(--blue); box-shadow: 0 8px 24px rgba(10,37,64,0.35); font-size: 10px; border-radius: 16px; }

/* 滚动入场 */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* 响应式 */
@media (max-width: 1100px) {
  .section-head-row .section-head-left h2 { white-space: normal; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .biz-tabs-nav { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .biz-slider { padding: 0 48px; }
  .ports-layout { grid-template-columns: 1fr; }
  .transit-pairs { grid-template-columns: 1fr; }
  .service-tile:first-child { grid-row: span 1; aspect-ratio: 4/5; }
  .routes-showcase { grid-template-columns: 1fr; }
  .calc-layout { grid-template-columns: 1fr; }
  .calc-visual { min-height: 280px; }
  .news-case-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .site-header { top: 0; background: var(--glass); backdrop-filter: blur(20px); }
  .logo-image { height: 44px; }
  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px;
    box-shadow: var(--shadow-lg);
    margin-left: 0;
  }
  .main-nav.open { display: flex; }
  .main-nav a { color: var(--text-secondary) !important; font-size: 17px; padding: 14px 16px; }
  .main-nav a.active { color: var(--red) !important; }
  .header-actions { display: none; }
  .nav-toggle { display: flex; margin-left: auto; border-color: var(--border); background: var(--white); }
  .nav-toggle span { background: var(--blue) !important; }
  .hero-slide-inner { padding: 120px 0 160px; }
  .hero-quick-inner { grid-template-columns: repeat(3, 1fr); }
  .hero-quick-item span { display: none; }
  .hero-dots { bottom: 140px; }
  .hero-arrow { width: 44px; height: 44px; }
  .hero-arrow.prev { left: 16px; }
  .hero-arrow.next { right: 16px; }
  .track-bar { flex-direction: column; padding: 20px; align-items: stretch; }
  .track-bar label { display: none; }
  .stats-float { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: 1fr; }
  .biz-items, .biz-items-3 { grid-template-columns: 1fr; }
  .biz-block { padding: 24px; }
  .biz-tab { padding: 12px 20px; font-size: 14px; }
  .biz-slider { padding: 0 40px; }
  .biz-card { flex: 0 0 calc((var(--scroll-w, 100vw) - 16px) / 2); }
  .service-tile { aspect-ratio: 16/10; }
  .service-tile:first-child { grid-row: span 1; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .calc-form { grid-template-columns: 1fr; }
  .calc-form-wrap { padding: 28px 24px; }
  .section { padding: 64px 0; }
  .case-showcase { grid-template-columns: 1fr; }
  .case-showcase .case-featured { grid-row: span 1; min-height: 240px; }
  .top-bar-right { gap: 12px; }
}

/* ===== 子页面 ===== */
body.subpage .site-header {
  top: 0;
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border), var(--shadow);
}
body.subpage .main-nav a { color: var(--text-secondary); }
body.subpage .main-nav a:hover { color: var(--blue); background: var(--blue-soft); }
body.subpage .main-nav a.active { color: var(--red); font-weight: 700; }
body.subpage .header-tel b { color: var(--red); }
body.subpage .header-tel small { color: var(--text-muted); }
body.subpage .nav-toggle { border-color: var(--border); background: var(--white); }
body.subpage .nav-toggle span { background: var(--blue); }

.page-banner {
  position: relative;
  padding: 56px 0 48px;
  background: var(--blue-dark);
  overflow: hidden;
}
.page-banner-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}
.page-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5,21,37,0.92) 0%, rgba(10,37,64,0.75) 100%);
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.page-banner .crumb { font-size: 14px; color: rgba(255,255,255,0.6); }
.page-banner .crumb a { color: rgba(255,255,255,0.85); }
.page-banner .crumb a:hover { color: #fff; }

.page-body { padding: 64px 0 80px; background: var(--blue-bg); }
.page-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  align-items: start;
}
.side-bar {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 12px;
  position: sticky;
  top: calc(var(--header-h) + 24px);
  box-shadow: var(--shadow);
}
.side-bar a {
  display: block;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all 0.2s var(--ease);
}
.side-bar a:hover { color: var(--blue); background: var(--blue-bg); }
.side-bar a.active {
  color: var(--red);
  background: var(--red-light);
  font-weight: 600;
}

.content-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 40px;
  box-shadow: var(--shadow);
}
.content-panel h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--blue-soft);
}
.content-panel h3 { font-size: 20px; font-weight: 700; color: var(--blue); margin-bottom: 12px; }
.content-panel p { font-size: 15px; color: var(--text-secondary); line-height: 1.85; margin-bottom: 14px; }
.content-block + .content-block { margin-top: 48px; }

.intro-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
  margin-bottom: 24px;
}
.intro-row img { border-radius: var(--radius-lg); width: 100%; height: 280px; object-fit: cover; }

.val-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.val-item {
  padding: 24px;
  background: var(--blue-bg);
  border-radius: var(--radius);
  border-left: 4px solid var(--red);
}
.val-item h4 { font-size: 16px; font-weight: 700; color: var(--blue); margin-bottom: 8px; }
.val-item p { font-size: 14px; color: var(--text-secondary); margin: 0; line-height: 1.7; }

.brand-slogan {
  margin-top: 24px;
  padding: 28px 32px;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-mid));
  border-radius: var(--radius-lg);
  text-align: center;
}
.brand-slogan-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.brand-slogan strong { font-size: 28px; font-weight: 800; color: #fff; letter-spacing: 0.05em; }

.ceo-message {
  position: relative;
  padding: 32px 32px 32px 48px;
  background: var(--blue-bg);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--red);
}
.ceo-quote-mark {
  position: absolute;
  top: 16px; left: 16px;
  font-size: 48px;
  font-weight: 800;
  color: var(--red);
  opacity: 0.3;
  line-height: 1;
}
.ceo-message p { font-size: 15px; color: var(--text-secondary); line-height: 1.9; margin-bottom: 16px; }
.ceo-sign { font-size: 14px; font-weight: 600; color: var(--blue); text-align: right; margin-top: 8px; }

.adv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.adv-card {
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all 0.3s var(--ease);
  position: relative;
}
.adv-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: var(--blue-light); }
.adv-num {
  position: absolute;
  top: 16px; right: 20px;
  font-size: 32px;
  font-weight: 800;
  color: var(--blue-soft);
  line-height: 1;
}
.adv-card h4 { font-size: 16px; font-weight: 700; color: var(--blue); margin-bottom: 10px; padding-right: 40px; }
.adv-card p { font-size: 14px; color: var(--text-secondary); margin: 0; line-height: 1.75; }

.honor-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.honor-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  background: var(--blue-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all 0.3s var(--ease);
}
.honor-item:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.honor-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: var(--blue);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.honor-icon svg { width: 24px; height: 24px; stroke: #fff; }
.honor-item h4 { font-size: 15px; font-weight: 700; color: var(--blue); margin-bottom: 6px; }
.honor-item p { font-size: 13px; color: var(--text-secondary); margin: 0; line-height: 1.7; }

.svc-intro { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 2px solid var(--blue-soft); }
.svc-intro-alt { margin-top: 48px; }
.svc-intro h2 { font-size: 24px; font-weight: 800; color: var(--blue); margin-bottom: 12px; border: none; padding: 0; }
.svc-intro p { margin: 0; }

.svc-detail {
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}
.svc-detail:last-of-type { border-bottom: none; }
.svc-detail-head {
  display: flex;
  gap: 24px;
  align-items: center;
  margin-bottom: 20px;
}
.svc-detail-head img {
  width: 160px; height: 110px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}
.svc-detail-head h3 { font-size: 20px; font-weight: 700; color: var(--blue); margin-bottom: 8px; }
.svc-time {
  display: inline-block;
  padding: 4px 14px;
  background: var(--red);
  color: #fff;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}
.svc-detail h4 { font-size: 15px; font-weight: 700; color: var(--blue); margin-bottom: 12px; }
.svc-adv-list { margin: 0 0 20px; padding: 0; list-style: none; }
.svc-adv-list li {
  position: relative;
  padding: 8px 0 8px 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  border-bottom: 1px dashed var(--border);
}
.svc-adv-list li:last-child { border-bottom: none; }
.svc-adv-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 16px;
  width: 8px; height: 8px;
  background: var(--red);
  border-radius: 50%;
}

.workflow-steps { display: flex; flex-direction: column; gap: 0; }
.wf-step {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.wf-step:last-child { border-bottom: none; }
.wf-num {
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: var(--blue);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800;
}
.wf-step h4 { font-size: 16px; font-weight: 700; color: var(--blue); margin-bottom: 8px; }
.wf-step p { font-size: 14px; color: var(--text-secondary); margin: 0; line-height: 1.8; }

.inquiry-form { margin-top: 20px; }
.inquiry-form .btn { margin-top: 8px; }

/* 产品服务页 — Tab + 子项切换 */
.svc-page-main { background: var(--blue-bg); }
.svc-tabs { margin-top: 0; }
.svc-sub-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.svc-sub-tab {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  color: var(--text-secondary);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.svc-sub-tab:hover { color: var(--blue); border-color: var(--blue-light); }
.svc-sub-tab.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.svc-showcase { position: relative; min-height: 320px; }
.svc-show { display: none; animation: bizFadeIn 0.4s var(--ease); }
.svc-show.active { display: block; }
.svc-show-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 36px;
  align-items: start;
}
.svc-show-visual {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 16/10;
  box-shadow: var(--shadow-lg);
}
.svc-show-visual img { width: 100%; height: 100%; object-fit: cover; }
.svc-show-body h3 { font-size: 24px; font-weight: 800; color: var(--blue); margin-bottom: 12px; }
.svc-show-body h4 { font-size: 15px; font-weight: 700; color: var(--blue); margin: 20px 0 12px; }
.svc-ref-image {
  margin-top: 28px;
  padding: 24px;
  background: var(--blue-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  text-align: center;
}
.svc-ref-image img { max-width: 100%; height: auto; border-radius: var(--radius); }
.svc-ref-image p { font-size: 13px; color: var(--text-muted); margin-top: 16px; line-height: 1.7; }
.svc-workflow-img {
  margin-bottom: 40px;
  padding: 20px;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow-x: auto;
}
.svc-workflow-img img { width: 100%; min-width: 720px; height: auto; display: block; }
.svc-workflow-list { max-width: 900px; margin: 0 auto; }
.inquiry-form-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 36px;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.check-list { margin-top: 8px; }
.check-list li {
  position: relative;
  padding: 12px 0 12px 28px;
  font-size: 15px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.check-list li:last-child { border-bottom: none; }
.check-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 18px;
  width: 8px; height: 8px;
  background: var(--red);
  border-radius: 50%;
}

.svc-row {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 32px;
  align-items: center;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}
.svc-row:last-child { border-bottom: none; padding-bottom: 0; }
.svc-row:first-child { padding-top: 0; }
.sr-img { border-radius: var(--radius-lg); overflow: hidden; }
.sr-img img { width: 100%; height: 220px; object-fit: cover; transition: transform 0.5s var(--ease); }
.svc-row:hover .sr-img img { transform: scale(1.04); }

.page-news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.page-news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.page-news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.page-news-card .pnc-img { aspect-ratio: 16/10; overflow: hidden; }
.page-news-card .pnc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.page-news-card:hover .pnc-img img { transform: scale(1.06); }
.page-news-card .pnc-body { padding: 24px; }
.page-news-card .pnc-tag { font-size: 12px; color: var(--red); font-weight: 600; margin-bottom: 8px; }
.page-news-card h4 { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 10px; line-height: 1.5; }
.page-news-card h4 a:hover { color: var(--red); }
.page-news-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin: 0; }
.page-news-card .pnc-link {
  display: block;
  color: inherit;
  text-decoration: none;
}
.page-news-card .pnc-link:hover h4 { color: var(--red); }

.page-banner-sm { min-height: 200px; }
.page-banner-sm .container { padding-top: 44px; padding-bottom: 44px; }
.page-body-news-detail { padding-top: 36px; }

.news-detail-shell { width: 100%; }
.news-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
}
.news-detail-main {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 36px 40px 32px;
}
.news-detail-head { margin-bottom: 28px; }
.news-detail-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.news-detail-tag {
  display: inline-block;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--red);
  background: rgba(196, 30, 58, 0.08);
  border-radius: 999px;
}
.news-detail-date {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}
.news-detail-title {
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 800;
  color: var(--blue);
  line-height: 1.4;
  margin: 0;
}
.news-detail-figure {
  margin: 0 0 28px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.news-detail-figure img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}
.news-detail-content {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 2;
}
.news-detail-content p { margin: 0 0 1.15em; }
.news-detail-content p:last-child { margin-bottom: 0; }
.news-detail-navcards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.news-nav-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--blue-bg);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
  min-height: 88px;
}
.news-nav-card.is-empty {
  visibility: hidden;
  pointer-events: none;
}
.news-nav-card:hover {
  border-color: var(--red);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.news-nav-card.next { text-align: right; align-items: flex-end; }
.news-nav-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.02em;
}
.news-nav-card strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.55;
}
.news-detail-aside {
  position: sticky;
  top: calc(var(--header-h, 80px) + 24px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-aside-back {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: color 0.2s, border-color 0.2s;
}
.news-aside-back:hover { color: var(--red); border-color: var(--red); }
.news-aside-box,
.news-aside-cta {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 22px 20px;
}
.news-aside-box h4 {
  font-size: 16px;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--blue-soft);
}
.news-related-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.news-related-list li { border-bottom: 1px solid var(--border); }
.news-related-list li:last-child { border-bottom: none; }
.news-related-list a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 0;
  transition: padding-left 0.2s var(--ease);
}
.news-related-list a:hover { padding-left: 6px; }
.nd-related-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--red);
}
.news-related-list strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
}
.news-related-list time {
  font-size: 12px;
  color: var(--text-muted);
}
.news-aside-cta p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 16px;
}
.news-aside-cta .btn { width: 100%; justify-content: center; }
.news-detail-empty {
  max-width: 560px;
  margin: 0 auto;
  padding: 80px 24px;
  text-align: center;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.news-detail-empty a {
  display: inline-block;
  margin-top: 20px;
  color: var(--red);
  font-weight: 600;
}

.art-row {
  display: grid;
  grid-template-columns: 64px 120px 1fr;
  gap: 20px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.art-row:last-child { border-bottom: none; }
.ar-date { text-align: center; }
.ar-date b { display: block; font-size: 28px; font-weight: 800; color: var(--blue); line-height: 1; }
.ar-date small { font-size: 12px; color: var(--text-muted); }
.ar-thumb { border-radius: var(--radius); overflow: hidden; }
.ar-thumb img { width: 100%; height: 80px; object-fit: cover; }
.art-row h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.art-row h4 a:hover { color: var(--red); }
.art-row p { font-size: 13px; color: var(--text-muted); margin: 0; line-height: 1.6; }

.contact-stack {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.info-card, .form-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 36px;
  box-shadow: var(--shadow);
}
.info-card h3, .form-panel h3, .contact-map-box h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--blue-soft);
}

/* 联系方式 — 2×2 均匀网格 */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  height: 100%;
}
.contact-info-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 20px 18px;
  min-height: 108px;
  background: var(--blue-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}
.contact-info-item:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.ci-body {
  flex: 1;
  min-width: 0;
}
.ci-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--blue);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ci-icon svg { width: 22px; height: 22px; stroke: #fff; fill: none; stroke-width: 1.8; }
.contact-info-item strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.contact-info-item span {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}
.ci-lines {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-secondary);
}
.contact-info-item a { color: var(--red); font-weight: 500; }
.contact-info-item a:hover { text-decoration: underline; }
.form-submit { text-align: center; margin-top: 4px; }

/* 地图 */
.contact-map-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 36px;
  box-shadow: var(--shadow);
}
.map-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}
.map-tab {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--blue-bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s var(--ease);
}
.map-tab:hover { color: var(--blue); border-color: var(--blue-light); }
.map-tab.active {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--blue-bg);
  line-height: 0;
}
.map-wrap iframe {
  width: 100%;
  height: 420px;
  border: none;
  display: block;
}
.map-address {
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.map-address b { color: var(--blue); font-weight: 600; }
.map-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--red);
}
.map-link:hover { text-decoration: underline; }

.info-line {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.7;
}
.info-line:last-child { border-bottom: none; }
.info-line strong { color: var(--blue); font-weight: 600; }
.info-line span { color: var(--text-secondary); }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  background: var(--blue-bg);
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--blue-light);
  box-shadow: 0 0 0 3px rgba(30,90,138,0.12);
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-field.full { grid-column: 1 / -1; }

/* ===== 走进俄通 — 参考宋合 zjsh 排版 ===== */
.about-hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: var(--blue-dark);
  overflow: hidden;
}
.about-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.about-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5,21,37,0.92) 0%, rgba(10,37,64,0.6) 55%, rgba(10,37,64,0.3) 100%);
}
.about-hero-inner { position: relative; z-index: 1; max-width: 720px; }
.about-hero .crumb { font-size: 14px; color: rgba(255,255,255,0.55); margin-bottom: 24px; }
.about-hero .crumb a { color: rgba(255,255,255,0.85); }
.about-hero-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--red);
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}
.about-hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.about-hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  line-height: 1.9;
  max-width: 640px;
}

.about-anchor {
  position: sticky;
  top: var(--header-h);
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(10,37,64,0.06);
}
.about-anchor-inner {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.about-anchor-inner::-webkit-scrollbar { display: none; }
.about-anchor a {
  flex-shrink: 0;
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
  transition: all 0.25s var(--ease);
}
.about-anchor a:hover { color: var(--blue); }
.about-anchor a.active { color: var(--red); border-bottom-color: var(--red); font-weight: 700; }

.about-section { padding: 80px 0; background: var(--white); }
.about-section-dark { background: var(--blue-dark); color: #fff; }
.about-section.section-blue { background: var(--blue-bg); }

.about-sec-head { margin-bottom: 48px; }
.about-sec-head.center { text-align: center; }
.about-sec-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.about-sec-tag.light { color: rgba(255,255,255,0.6); }
.about-sec-head h2 {
  font-size: clamp(28px, 3.5vw, 38px);
  font-weight: 800;
  color: var(--blue);
  letter-spacing: -0.02em;
}
.about-section-dark .about-sec-head h2 { color: #fff; }
.about-sec-head h2 em { font-style: normal; color: var(--red); }

.about-intro-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.about-video {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 16/10;
}
.about-video img { width: 100%; height: 100%; object-fit: cover; }
.about-intro-photo {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 16/10;
}
.about-intro-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 72px; height: 72px;
  border-radius: 50%;
  background: rgba(212,24,32,0.9);
  border: 3px solid rgba(255,255,255,0.5);
  color: #fff;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s var(--ease), background 0.3s;
}
.about-play-btn svg { width: 28px; height: 28px; margin-left: 4px; }
.about-play-btn:hover { transform: translate(-50%, -50%) scale(1.08); background: var(--red); }
.about-video-label {
  position: absolute;
  bottom: 16px; left: 16px;
  padding: 6px 14px;
  background: rgba(5,21,37,0.75);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border-radius: 6px;
}
.about-intro-text p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}
.about-intro-text strong { color: var(--blue); font-weight: 700; }
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.about-stat { text-align: center; }
.about-stat b {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  font-size: 32px;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
}
.about-stat b em { font-style: normal; font-size: 18px; color: var(--red); }
.about-stat span { display: block; font-size: 13px; color: var(--text-muted); margin-top: 8px; font-weight: 600; }

.about-purpose {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.15em;
  margin-top: 8px;
}
.about-culture-desc {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 48px;
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  line-height: 1.9;
}
.about-values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.about-value-item {
  padding: 28px 24px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  transition: background 0.3s var(--ease);
}
.about-value-item:hover { background: rgba(255,255,255,0.1); }
.about-value-icon {
  display: inline-block;
  font-size: 28px;
  font-weight: 800;
  color: var(--red);
  line-height: 1;
  margin-bottom: 16px;
}
.about-value-item h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.about-value-item p { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.75; margin: 0; }
.about-brand {
  margin-top: 40px;
  text-align: center;
  padding: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.about-brand strong { font-size: 24px; font-weight: 800; color: #fff; letter-spacing: 0.08em; }

.about-ceo {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  align-items: start;
}
.about-ceo-photo {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 3/4;
}
.about-ceo-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-ceo-logo {
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 32px;
  aspect-ratio: auto;
  min-height: 280px;
  border: 1px solid var(--border);
}
.about-ceo-logo img { width: auto; height: auto; max-width: 100%; max-height: 180px; object-fit: contain; }
.about-ceo-badge {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px 24px;
  background: linear-gradient(to top, rgba(5,21,37,0.95), transparent);
  color: #fff;
}
.about-ceo-badge b { display: block; font-size: 18px; font-weight: 700; }
.about-ceo-badge span { font-size: 13px; color: rgba(255,255,255,0.7); }
.about-ceo-content { position: relative; padding: 8px 0 8px 32px; }
.about-ceo-quote {
  position: absolute;
  top: -8px; left: 0;
  font-size: 64px;
  font-weight: 800;
  color: var(--red);
  opacity: 0.25;
  line-height: 1;
}
.about-ceo-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.95;
  margin-bottom: 18px;
}
.about-ceo-sign { font-size: 15px; font-weight: 700; color: var(--blue); text-align: right; margin-top: 8px; }

.about-adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.about-adv-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.35s var(--ease);
}
.about-adv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--blue-light); }
.about-adv-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--blue), var(--blue-mid));
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.about-adv-icon svg { width: 26px; height: 26px; stroke: #fff; }
.about-adv-card h4 { font-size: 17px; font-weight: 700; color: var(--blue); margin-bottom: 10px; }
.about-adv-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; margin: 0; }
.about-adv-card p + p { margin-top: 10px; }

.about-timeline-wrap { max-width: 100%; }
.about-timeline-years {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.about-year {
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  color: var(--text-secondary);
  background: var(--blue-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.about-year:hover { color: var(--blue); border-color: var(--blue-light); }
.about-year.active { background: var(--blue); color: #fff; border-color: var(--blue); }

.about-timeline-slider {
  position: relative;
  padding: 0 52px;
}
.about-timeline-scroll {
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.about-timeline-scroll::-webkit-scrollbar { display: none; }
.about-timeline-track {
  display: flex;
  gap: 20px;
  flex-wrap: nowrap;
}
.about-timeline-track[hidden] { display: none; }
.about-tl-item {
  flex: 0 0 calc(33.333% - 14px);
  min-width: 280px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  scroll-snap-align: start;
  transition: all 0.3s var(--ease);
  border-top: 3px solid var(--red);
}
.about-tl-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.about-tl-date {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.about-tl-item h4 { font-size: 17px; font-weight: 700; color: var(--blue); margin-bottom: 10px; line-height: 1.4; }
.about-tl-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; margin: 0; }

.about-tl-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px; height: 44px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--white);
  color: var(--blue);
  font-size: 22px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow);
  transition: all 0.25s var(--ease);
}
.about-tl-arrow:hover:not(:disabled) { background: var(--red); color: #fff; border-color: var(--red); }
.about-tl-arrow:disabled { opacity: 0.35; cursor: not-allowed; }
.about-tl-arrow.prev { left: 0; }
.about-tl-arrow.next { right: 0; }
.about-timeline-wrap.tl-no-scroll .about-tl-arrow { display: none; }
.about-timeline-wrap.tl-no-scroll .about-timeline-slider { padding: 0; }

.about-honor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.about-honor-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  transition: all 0.3s var(--ease);
}
.about-honor-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.about-honor-img {
  width: 100%;
  aspect-ratio: 4/3;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  border: 1px dashed rgba(255,255,255,0.15);
}
.about-honor-img svg { width: 48px; height: 48px; stroke: rgba(255,255,255,0.4); }
.about-honor-card h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.about-honor-card p { font-size: 13px; color: rgba(255,255,255,0.55); margin: 0; line-height: 1.6; }

@media (max-width: 1024px) {
  .page-layout { grid-template-columns: 1fr; }
  .side-bar { position: static; display: flex; flex-wrap: wrap; gap: 8px; }
  .side-bar a { flex: 1 1 auto; text-align: center; min-width: 120px; }
  .intro-row, .svc-row { grid-template-columns: 1fr; }
  .contact-info-grid { grid-template-columns: repeat(2, 1fr); }
  .sr-img img { height: 200px; }
  .page-news-grid { grid-template-columns: repeat(2, 1fr); }
  .val-grid { grid-template-columns: 1fr; }
  .adv-grid, .honor-grid { grid-template-columns: 1fr; }
  .svc-detail-head { flex-direction: column; align-items: flex-start; }
  .svc-detail-head img { width: 100%; height: 180px; }
  .about-intro-layout, .about-ceo { grid-template-columns: 1fr; }
  .about-values, .about-adv-grid, .about-honor-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .about-tl-item { flex: 0 0 calc(50% - 10px); }
  .news-detail-layout { grid-template-columns: 1fr; }
  .news-detail-aside { position: static; }
}

@media (max-width: 768px) {
  .page-body { padding: 40px 0 60px; }
  .content-panel { padding: 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .art-row { grid-template-columns: 56px 1fr; }
  .ar-thumb { display: none; }
  .page-news-grid { grid-template-columns: 1fr; }
  .contact-info-grid { grid-template-columns: 1fr; }
  .contact-info-item { min-height: auto; }
  .news-detail-layout { grid-template-columns: 1fr; }
  .news-detail-aside { position: static; }
  .news-detail-main { padding: 24px 20px 28px; }
  .news-detail-navcards { grid-template-columns: 1fr; }
  .news-nav-card.is-empty { display: none; }
  .news-nav-card.next { text-align: left; align-items: flex-start; }
  .map-wrap iframe { height: 280px; }
  .info-card, .form-panel, .contact-map-box { padding: 24px; }
  .about-hero { min-height: 360px; padding: 100px 0 60px; }
  .about-section { padding: 56px 0; }
  .about-values, .about-adv-grid, .about-honor-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .about-timeline-slider { padding: 0 40px; }
  .about-tl-item { flex: 0 0 85%; min-width: 260px; }
  .about-anchor a { padding: 14px 16px; font-size: 14px; }
  .svc-show-layout { grid-template-columns: 1fr; }
  .svc-sub-nav { gap: 8px; }
  .svc-sub-tab { padding: 8px 14px; font-size: 13px; }
}