.zhenghe-legacy {
  --fy-blue: #0a5dff;
  --fy-blue2: #1677ff;
  --fy-cyan: #00c2ff;
  --fy-pink: #e0005a;
  --fy-purple: #7b3ff2;
  --fy-ink: #1a2332;
  --fy-muted: #5f6f89;
  --fy-bg: #f5f9ff;
  --fy-line: rgba(10,93,255,.12);
  background: #fff;
  color: var(--fy-ink);
  overflow: hidden;
  font-family: "Microsoft YaHei", Arial, sans-serif;
}
.zhenghe-legacy * { box-sizing: border-box; }
.zhenghe-legacy a { text-decoration: none; color: inherit; }
.zh-legacy-wrap { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }

.zh-legacy-hero {
  min-height: 620px;
  display: flex;
  align-items: center;
  text-align: left;
  color: #fff;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(5,12,35,.92) 0%, rgba(8,27,78,.78) 45%, rgba(10,93,255,.36) 100%),
    radial-gradient(circle at 76% 22%, rgba(0,194,255,.32), transparent 32%),
    radial-gradient(circle at 16% 18%, rgba(224,0,90,.24), transparent 30%),
    linear-gradient(135deg, #070b21 0%, #0a245d 54%, #0a5dff 100%);
  background-size: cover;
  background-position: center;
}
.zh-legacy-hero:after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0 58%, rgba(255,255,255,.08) 58% 59%, transparent 59%),
    radial-gradient(circle at 86% 52%, rgba(255,255,255,.14), transparent 25%);
}
.zh-legacy-hero:before {
  content: "";
  position: absolute;
  right: 9%;
  top: 50%;
  width: 360px;
  height: 360px;
  transform: translateY(-50%);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 50%;
  box-shadow: inset 0 0 0 72px rgba(255,255,255,.035), 0 0 80px rgba(0,194,255,.14);
}
.zh-legacy-hero .zh-legacy-wrap { position: relative; z-index: 1; }
.zh-legacy-kicker {
  margin: 0 0 22px;
  letter-spacing: 10px;
  color: rgba(255,255,255,.55);
  font-size: 14px;
}
.zh-legacy-hero h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(48px, 5.8vw, 82px);
  line-height: 1.08;
  font-weight: 900;
  text-shadow: 0 16px 36px rgba(0,0,0,.22);
}
.zh-legacy-hero strong {
  display: block;
  max-width: 760px;
  margin: 24px 0 0;
  color: rgba(255,255,255,.9);
  font-size: 22px;
  line-height: 1.8;
  font-weight: 500;
}
.zh-legacy-actions {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  margin-top: 40px;
  padding: 10px 20px 10px 10px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(12px);
}
.zh-legacy-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  height: 50px;
  border-radius: 999px;
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--fy-pink), var(--fy-purple), var(--fy-blue2));
  box-shadow: 0 18px 42px rgba(224,0,90,.25);
}
.zh-legacy-actions span { color: rgba(255,255,255,.72); font-size: 15px; }

.zh-troubles,
.zh-service-matrix,
.zh-case-flow { padding: 84px 0; }
.zh-troubles { background: #fff; }
.zh-service-matrix { background: linear-gradient(180deg, #fff, var(--fy-bg)); }
.zh-case-flow { background: #fff; }

.zh-old-title { text-align: center; margin-bottom: 46px; }
.zh-old-title h2 {
  margin: 0;
  color: var(--fy-ink);
  font-size: 42px;
  line-height: 1.2;
  font-weight: 900;
}
.zh-old-title span {
  display: block;
  margin-top: 10px;
  color: var(--fy-pink);
  font-size: 16px;
  font-weight: 800;
  text-transform: uppercase;
}

.zh-trouble-list {
  max-width: 940px;
  margin: 0 auto;
  border: 1px solid var(--fy-line);
  background: #fff;
  box-shadow: 0 20px 58px rgba(10,35,90,.08);
}
.zh-trouble-list article {
  min-height: 96px;
  display: grid;
  grid-template-columns: 92px 70px 1fr;
  align-items: center;
  gap: 22px;
  padding: 18px 30px;
  border-bottom: 1px solid var(--fy-line);
  transition: background .25s ease, transform .25s ease, box-shadow .25s ease;
}
.zh-trouble-list article:last-child { border-bottom: 0; }
.zh-trouble-list article:nth-child(odd) { background: #fbfdff; }
.zh-trouble-list article:hover {
  position: relative;
  z-index: 1;
  transform: translateX(10px);
  background: linear-gradient(135deg, rgba(10,93,255,.06), rgba(224,0,90,.05));
  box-shadow: 0 18px 42px rgba(10,93,255,.12);
}
.zh-trouble-list i {
  height: 60px;
  display: grid;
  place-items: center;
}
.zh-trouble-list img { max-width: 76px; max-height: 46px; filter: hue-rotate(130deg) saturate(1.15); }
.zh-trouble-list b {
  color: var(--fy-pink);
  font-size: 22px;
  font-style: italic;
}
.zh-trouble-list p { margin: 0; color: var(--fy-muted); line-height: 1.75; }
.zh-trouble-list strong { color: var(--fy-ink); font-weight: 900; }

.zh-service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.zh-service-grid article {
  min-height: 245px;
  padding: 28px 28px 24px;
  border: 1px solid var(--fy-line);
  background: #fff;
  box-shadow: 0 18px 48px rgba(10,35,90,.08);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.zh-service-grid article:hover,
.zh-service-grid article.active {
  transform: translateY(-8px);
  border-color: rgba(224,0,90,.22);
  box-shadow: 0 28px 68px rgba(10,93,255,.14);
}
.zh-service-grid b {
  display: block;
  margin-bottom: 16px;
  color: var(--fy-ink);
  font-size: 25px;
}
.zh-service-grid em { color: var(--fy-pink); font-style: normal; }
.zh-service-grid p { min-height: 74px; margin: 0 0 20px; color: var(--fy-muted); line-height: 1.8; }
.zh-service-grid div { display: flex; flex-wrap: wrap; gap: 8px; }
.zh-service-grid a {
  padding: 7px 12px;
  border-radius: 4px;
  background: rgba(10,93,255,.08);
  color: var(--fy-blue);
  font-size: 13px;
  font-weight: 700;
}
.zh-service-grid article:hover a,
.zh-service-grid article.active a { background: linear-gradient(135deg, var(--fy-blue), var(--fy-cyan)); color: #fff; }

.zh-case-flow h2 {
  margin: 0 0 42px;
  text-align: center;
  font-size: 40px;
  line-height: 1.25;
  font-weight: 900;
}
.zh-case-flow h2 em {
  display: block;
  margin-top: 10px;
  color: var(--fy-pink);
  font-size: 18px;
  font-style: normal;
}
.zh-case-line {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--fy-line);
  border: 1px solid var(--fy-line);
}
.zh-case-line article {
  min-height: 180px;
  padding: 34px 16px 26px;
  text-align: center;
  background: #fff;
  transition: transform .25s ease, background .25s ease, color .25s ease;
}
.zh-case-line article:hover {
  transform: translateY(-8px);
  color: #fff;
  background: linear-gradient(135deg, var(--fy-blue), var(--fy-purple));
}
.zh-case-line i {
  width: 54px;
  height: 54px;
  display: inline-grid;
  place-items: center;
  margin-bottom: 20px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--fy-pink), var(--fy-purple), var(--fy-blue));
  font-style: normal;
  font-weight: 900;
  box-shadow: 0 12px 26px rgba(10,93,255,.18);
}
.zh-case-line span { display: block; font-size: 16px; line-height: 1.55; font-weight: 700; }

@media (max-width: 1100px) {
  .zh-service-grid,
  .zh-case-line { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .zh-legacy-wrap { width: calc(100% - 28px); }
  .zh-legacy-hero { min-height: 430px; padding: 54px 0; text-align: left; }
  .zh-legacy-hero:before { right: -120px; width: 280px; height: 280px; opacity: .65; }
  .zh-legacy-kicker { letter-spacing: 4px; font-size: 12px; }
  .zh-legacy-hero h1 { font-size: 42px; }
  .zh-legacy-hero strong { font-size: 17px; }
  .zh-legacy-actions { display: grid; border-radius: 16px; padding: 12px; }
  .zh-legacy-actions span { text-align: center; }
  .zh-service-grid,
  .zh-case-line,
  .zh-trouble-list article { grid-template-columns: 1fr; }
  .zh-troubles,
  .zh-service-matrix,
  .zh-case-flow { padding: 54px 0; }
  .zh-old-title h2,
  .zh-case-flow h2 { font-size: 30px; }
  .zh-trouble-list article { gap: 12px; text-align: center; }
  .zh-trouble-list article:hover { transform: translateY(-6px); }
}