/* ============================================================
   风泽科技 · 浅色主题（独立完整样式）
   ============================================================ */

:root {
  --bg: #0d1526;
  --bg-soft: #121d33;
  --bg-card: #182542;
  --border: rgba(120, 160, 255, 0.22);
  --text: #f2f5fb;
  --text-dim: #b3bdd4;
  --accent: #38bdf8;
  --accent-2: #818cf8;
  --accent-3: #22d3ee;
  --gradient: linear-gradient(120deg, #22d3ee, #38bdf8 40%, #818cf8);
  --radius: 14px;
  --nav-h: 100px;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  word-break: break-word;
}

img, svg, video, canvas { max-width: 100%; }

a { color: inherit; text-decoration: none; }

.container {
  width: min(1320px, 92%);
  margin: 0 auto;
}

::selection { background: rgba(56, 189, 248, 0.35); }

/* ============ 导航栏 ============ */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background .35s, box-shadow .35s, backdrop-filter .35s;
}
.navbar.scrolled, .navbar.solid {
  background: rgba(13, 21, 38, 0.82);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, 92%);
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-img { height: 38px; width: auto; display: block; transform: translateY(-15.6%); flex-shrink: 0; }
.footer .logo-img { height: 30px; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  white-space: nowrap;
  font-size: 16px;
  color: var(--text-dim);
  position: relative;
  transition: color .25s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--gradient);
  transition: width .3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

/* 中英文切换 */
.lang-switch {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(13, 20, 36, 0.6);
}
.lang-switch button {
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color .25s, background .25s;
}
.lang-switch button + button { border-left: 1px solid var(--border); }
.lang-switch button:hover { color: var(--text); }
.lang-switch button.active {
  background: var(--gradient);
  color: #04121f;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  transition: transform .3s, opacity .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-top: var(--nav-h);
  overflow: hidden;
}
/* 首屏背景图 + 彩色渐变光 + 压暗渐变（将实拍图放到 assets/img/hero-bg.png 即可生效） */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 55% 50% at 80% 26%, rgba(56, 189, 248, 0.22), transparent 62%),
    radial-gradient(ellipse 45% 42% at 10% 88%, rgba(129, 140, 248, 0.18), transparent 62%),
    radial-gradient(ellipse 42% 36% at 50% 112%, rgba(34, 211, 238, 0.12), transparent 60%),
    linear-gradient(100deg, rgba(13, 21, 38, 0.95) 0%, rgba(13, 21, 38, 0.72) 42%, rgba(13, 21, 38, 0.35) 75%, rgba(13, 21, 38, 0.6) 100%),
    linear-gradient(0deg, rgba(13, 21, 38, 0.88) 0%, transparent 32%),
    /* url("../img/hero-bg.png") center / cover no-repeat, */
    url("../img/hero-bg.svg") center / cover no-repeat;
}
.hero-content {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  text-align: left;
  padding: 32px 0;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  max-width: 100%;
  border: 1px solid rgba(56, 189, 248, 0.35);
  background: rgba(56, 189, 248, 0.08);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 13px;
  letter-spacing: 1px;
  line-height: 1.5;
  color: #a9d9f6;
  margin-bottom: 30px;
}
.hero-badge i {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 9px var(--accent-3);
}
.hero-title {
  font-size: clamp(30px, 4.4vw, 56px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 1px;
  color: #f5f8ff;
  margin-bottom: 24px;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.4);
}
.hero-sub {
  max-width: 620px;
  margin: 0 0 38px;
  color: var(--text-dim);
  font-size: 16px;
}
.hero-actions { display: flex; gap: 18px; justify-content: flex-start; flex-wrap: wrap; }
.hero .btn-ghost {
  background: rgba(10, 16, 28, 0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* 首屏底部数据条（毛玻璃） */
.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: rgba(13, 20, 34, 0.55);
  border: 1px solid rgba(140, 180, 255, 0.14);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 26px 10px;
  margin-bottom: 44px;
}
.hs-item { padding: 4px 26px; text-align: left; }
.hs-item + .hs-item { border-left: 1px solid rgba(140, 180, 255, 0.14); }
.hs-item strong {
  display: block;
  font-size: 30px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--accent);
}
.hs-item strong em {
  font-style: normal;
  font-size: 0.62em;
  font-weight: 700;
  margin-left: 4px;
}
.hs-label { display: block; color: var(--text-dim); font-size: 13px; margin-top: 6px; }

/* ============ 按钮 ============ */
.btn {
  display: inline-block;
  padding: 13px 34px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform .25s, box-shadow .25s, background .25s, color .25s;
}
.btn-primary {
  background: var(--gradient);
  color: #04121f;
  box-shadow: 0 6px 24px rgba(56, 189, 248, 0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 32px rgba(56, 189, 248, 0.55); }
.btn-ghost {
  border: 1px solid rgba(154, 165, 189, 0.35);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }
.btn-outline {
  margin-top: 10px;
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: var(--accent);
}
.btn-outline:hover { background: rgba(56, 189, 248, 0.1); transform: translateY(-3px); }
/* 首页关于屏：按钮改实心 */
.intro .btn-outline {
  background: #13253f;
  border-color: rgba(56, 189, 248, 0.45);
}
.intro .btn-outline:hover { background: #1a3050; transform: translateY(-3px); }
.btn-block { width: 100%; }

/* ============ 通用 Section ============ */
.section { padding: 110px 0; }
.section-eyebrow {
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--accent);
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 24px;
  text-wrap: balance;
}
.section-head { text-align: center; margin-bottom: 60px; }
.section-head .section-title { margin-bottom: 0; }
.section-lead { color: var(--text-dim); margin-top: 16px; font-size: 15px; }

/* ============ 核心优势 ============ */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.adv-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: transform .35s, border-color .35s, box-shadow .35s;
}
.adv-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s;
}
.adv-card:hover {
  transform: translateY(-8px);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 18px 40px rgba(2, 8, 20, 0.6), 0 0 30px rgba(56, 189, 248, 0.08);
}
.adv-card:hover::before { transform: scaleX(1); }
/* 卡片顶部配图：负边距贴齐卡片边缘 */
.adv-media {
  margin: -36px -32px 24px;
  height: 140px;
  overflow: hidden;
}
.adv-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.8) saturate(0.9);
  transition: transform .6s ease, filter .4s;
}
.adv-card:hover .adv-media img { transform: scale(1.06); filter: brightness(0.95) saturate(1); }
.adv-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 20px;
}
.adv-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 25px;
  flex-shrink: 0;
  transition: transform .35s, box-shadow .35s;
}
.adv-card:hover .adv-icon {
  transform: translateY(-3px);
  box-shadow: 0 8px 22px rgba(56, 189, 248, 0.25);
}
.adv-card h3 { font-size: 21px; margin: 0; }
.adv-card p { color: var(--text-dim); font-size: 14px; line-height: 1.85; margin: 0; }

/* ============ 关于我们 ============ */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: center;
}
.intro-grid.top { align-items: start; }
.intro-text p { color: var(--text-dim); margin-bottom: 18px; line-height: 1.9; }
.intro-text .section-eyebrow { color: var(--accent); }
.intro-text .section-title { color: var(--text); }

/* 世界地图可视化（标记按经纬度定位） */
.intro-visual { display: flex; justify-content: center; align-items: center; width: 100%; height: 100%; }
.map-visual { position: relative; width: 100%; max-width: 100%; margin: 0 auto; }
.world-map { width: 100%; display: block; }
.map-pin {
  position: absolute;
  left: var(--x);
  top: var(--y);
  transform: translate(-50%, -50%);
  z-index: 2;
}
.pin-dot {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #22d3ee;
  box-shadow: 0 0 10px #22d3ee;
  position: relative;
}
.pin-dot::after {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1px solid rgba(34, 211, 238, 0.55);
  animation: pinPulse 2.6s ease-out infinite;
}
.pin-hq .pin-dot {
  width: 13px;
  height: 13px;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
}
@keyframes pinPulse {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(1.8); opacity: 0; }
}
.pin-label {
  position: absolute;
  font-size: 12px;
  letter-spacing: 1px;
  color: #dff2ff;
  background: rgba(10, 20, 36, 0.88);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 6px;
  padding: 3px 9px;
  white-space: nowrap;
}
.map-pin[data-pos="top"] .pin-label { bottom: 16px; left: 50%; transform: translateX(-50%); }
.map-pin[data-pos="right"] .pin-label { left: 16px; top: 50%; transform: translateY(-50%); }
.map-pin[data-pos="bottom"] .pin-label { top: 16px; left: 50%; transform: translateX(-50%); }
.map-pin[data-pos="left"] .pin-label { right: 16px; top: 50%; transform: translateY(-50%); }

/* ============ 业务板块（手风琴：悬停/点击展开） ============ */
.business { background: var(--bg-soft); }
.acc {
  display: flex;
  gap: 18px;
  height: clamp(400px, 52vh, 520px);
}
.acc-item {
  position: relative;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, #21476e, #14233c);
  cursor: pointer;
  transition: flex .55s cubic-bezier(.22, .61, .36, 1), border-color .4s, box-shadow .4s;
}
.acc-item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s;
  z-index: 3;
}
.acc-item.active {
  flex: 3.4;
  border-color: rgba(56, 189, 248, 0.45);
  box-shadow: 0 18px 44px rgba(2, 8, 20, 0.55), 0 0 30px rgba(56, 189, 248, 0.08);
}
.acc-item.active::before { transform: scaleX(1); }
.acc-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.34) saturate(0.85);
  transition: filter .5s, transform .7s;
}
.acc-item.active .acc-bg { filter: brightness(0.55) saturate(1); transform: scale(1.05); }
.acc-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 18, 32, 0.05) 30%, rgba(12, 18, 32, 0.82) 88%);
}
/* 收起态：竖排标题 */
.acc-collapsed {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 0;
  transition: opacity .3s;
}
.acc-vtitle {
  writing-mode: vertical-rl;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 8px;
  color: var(--text);
}
.acc-item.active .acc-collapsed { opacity: 0; }
/* 展开态详情 */
.acc-detail {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px 30px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .4s .15s, transform .4s .15s;
}
.acc-item.active .acc-detail { opacity: 1; transform: none; }
.acc-detail h3 { font-size: 24px; margin-bottom: 8px; }
.acc-sub { color: var(--accent); font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.acc-detail .biz-key { margin-bottom: 14px; }
.acc-desc { color: var(--text-dim); font-size: 13px; line-height: 1.8; margin: 0; }
.biz-key {
  display: inline-block;
  font-size: 12px;
  color: var(--accent-3);
  border: 1px solid rgba(34, 211, 238, 0.3);
  background: rgba(34, 211, 238, 0.06);
  border-radius: 999px;
  padding: 3px 13px;
}

/* ============ 新闻 ============ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  display: flex;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .35s, border-color .35s;
}
.news-card:hover { transform: translateY(-6px); border-color: rgba(56, 189, 248, 0.4); }
.news-date {
  flex-shrink: 0;
  width: 64px;
  text-align: center;
  border-right: 1px solid var(--border);
  padding-right: 18px;
}
.news-date strong {
  display: block;
  font-size: 30px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.news-date span { font-size: 12px; color: var(--text-dim); white-space: nowrap; }
.news-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--accent-3);
  border: 1px solid rgba(34, 211, 238, 0.35);
  border-radius: 999px;
  padding: 2px 12px;
  margin-bottom: 10px;
}
.news-body h3 { font-size: 16px; line-height: 1.5; margin-bottom: 8px; }
.news-body p { font-size: 13px; color: var(--text-dim); }

/* ============ 工程案例 ============ */
.cases-section .container { display: flex; flex-direction: column; gap: 48px; }
.case-card {
  display: grid;
  grid-template-columns: 45% 55%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .35s, border-color .35s, box-shadow .35s;
}
.case-card:hover {
  transform: translateY(-6px);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 20px 48px rgba(2, 8, 20, 0.6), 0 0 36px rgba(56, 189, 248, 0.08);
}
.case-media { position: relative; min-height: 340px; overflow: hidden; }
.case-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s ease;
}
/* 悬停卡片时图片缓慢放大（卡片 overflow:hidden 裁切溢出） */
.case-card:hover .case-media img { transform: scale(1.07); }
.case-body { padding: 40px 44px; }
.case-body h2 { font-size: clamp(20px, 2vw, 26px); margin-bottom: 10px; line-height: 1.35; }
.case-sector { color: var(--accent); font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.case-desc { color: var(--text-dim); font-size: 14px; line-height: 1.85; margin-bottom: 24px; }
.case-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.case-info-item {
  background: rgba(56, 189, 248, 0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
}
.case-info-item span { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 4px; }
.case-info-item strong { font-size: 14px; font-weight: 600; }
.case-scope { display: flex; flex-wrap: wrap; gap: 10px; }
.case-scope span {
  font-size: 12px;
  color: var(--accent-3);
  border: 1px solid rgba(34, 211, 238, 0.3);
  background: rgba(34, 211, 238, 0.06);
  border-radius: 999px;
  padding: 5px 14px;
}

/* ============ 新闻列表页 ============ */
.news-list { display: flex; flex-direction: column; gap: 28px; }
.news-item {
  display: flex;
  gap: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 36px;
  transition: transform .35s, border-color .35s, box-shadow .35s;
}
.news-item:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 16px 40px rgba(2, 8, 20, 0.55), 0 0 28px rgba(56, 189, 248, 0.07);
}
.news-item-date {
  flex-shrink: 0;
  width: 96px;
  text-align: center;
  border-right: 1px solid var(--border);
  padding-right: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}
.news-item-date strong {
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.news-item-date span { font-size: 13px; color: var(--text-dim); white-space: nowrap; }
.news-item-body h2 { font-size: 20px; margin: 8px 0 12px; line-height: 1.45; }
.news-item-body p { color: var(--text-dim); font-size: 14px; line-height: 1.85; margin-bottom: 14px; }
.news-more {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  transition: opacity .25s, transform .25s;
  display: inline-block;
}
.news-more:hover { opacity: 0.75; transform: translateX(4px); }

/* ============ CTA ============ */
.cta {
  padding: 100px 0;
  background:
    radial-gradient(ellipse at 50% 120%, rgba(129, 140, 248, 0.18), transparent 60%),
    var(--bg-soft);
  border-top: 1px solid var(--border);
  text-align: center;
}
.cta-inner h2 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 14px; }
.cta-inner p { color: var(--text-dim); margin-bottom: 34px; }

/* ============ 页脚 ============ */
.footer { background: #0d1523; border-top: 1px solid var(--border); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding: 64px 0 48px;
}
.footer-brand p { color: var(--text-dim); font-size: 14px; margin-top: 16px; }
.footer-col h4 { font-size: 15px; margin-bottom: 18px; }
.footer-col a, .footer-col p {
  display: block;
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 10px;
  transition: color .25s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 22px 0;
  text-align: center;
  color: #5c6880;
  font-size: 13px;
}
.footer-bottom a { color: inherit; transition: color .25s; }
.footer-bottom a:hover { color: var(--accent); }

/* ============ 内页横幅 ============ */
.page-banner {
  position: relative;
  padding: calc(var(--nav-h) + 56px) 0 56px;
  overflow: hidden;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.page-banner-glow {
  position: absolute;
  top: -40%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.12), transparent 65%);
}
.page-banner h1 { font-size: clamp(34px, 5vw, 54px); font-weight: 800; }
.banner-sub { color: var(--text-dim); margin-top: 14px; font-size: 17px; }

/* 内页 banner 主题线稿背景 */
.page-banner.banner-cases { background: url("../img/banner-cases.svg") center / cover no-repeat, var(--bg-soft); }
.page-banner.banner-news { background: url("../img/banner-news.svg") center / cover no-repeat, var(--bg-soft); }
.page-banner.banner-about { background: url("../img/banner-about.svg") center / cover no-repeat, var(--bg-soft); }
.page-banner.banner-contact { background: url("../img/banner-contact.svg") center / cover no-repeat, var(--bg-soft); }
.page-banner.banner-job { background: url("../img/banner-job.svg") center / cover no-repeat, var(--bg-soft); }

/* ============ 人才招聘 ============ */
.job-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.job-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 32px;
  position: relative;
  overflow: hidden;
  transition: transform .35s, border-color .35s, box-shadow .35s;
}
.job-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s;
}
.job-card:hover {
  transform: translateY(-6px);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 18px 40px rgba(2, 8, 20, 0.6), 0 0 30px rgba(56, 189, 248, 0.08);
}
.job-card:hover::before { transform: scaleX(1); }
.job-card h3 { font-size: 20px; margin-bottom: 12px; }
.job-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.job-tag {
  font-size: 12px;
  color: var(--accent-3);
  border: 1px solid rgba(34, 211, 238, 0.3);
  background: rgba(34, 211, 238, 0.06);
  border-radius: 999px;
  padding: 3px 12px;
}
.job-card p { color: var(--text-dim); font-size: 14px; line-height: 1.85; margin: 0; }
.apply-box {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 56px 40px;
}
.apply-box p { color: var(--text-dim); font-size: 15px; line-height: 2.1; margin: 0; }
.apply-box a { color: var(--accent); font-weight: 600; }

/* ============ 详情页（新闻 / 招聘） ============ */
.detail-back {
  display: inline-block;
  margin-bottom: 26px;
  font-size: 14px;
  color: var(--text-dim);
  transition: color .25s, transform .25s;
}
.detail-back:hover { color: var(--accent); transform: translateX(-4px); }
.detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px 48px;
}
.detail-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-bottom: 20px; }
.detail-info { font-size: 14px; color: var(--text-dim); }
.detail-info + .detail-info::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-dim);
  opacity: 0.5;
  margin-right: 14px;
  vertical-align: middle;
}
.detail-title { font-size: clamp(24px, 3vw, 34px); font-weight: 800; line-height: 1.45; margin-bottom: 18px; }
.detail-body { border-top: 1px solid var(--border); padding-top: 26px; }
.detail-body p { color: var(--text-dim); font-size: 15px; line-height: 2; margin-bottom: 16px; }
.detail-body h3 { font-size: 19px; margin: 32px 0 14px; }
@media (max-width: 720px) {
  .detail-card { padding: 26px 22px; }
}

/* ============ 关于页：价值观 ============ */
.values-list { display: flex; flex-direction: column; gap: 20px; }
.value-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 24px 28px;
  transition: transform .3s, border-color .3s;
}
.value-item:hover { transform: translateX(6px); border-left-color: var(--accent-2); }
.value-item h4 {
  font-size: 16px;
  margin-bottom: 8px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}
.value-item p { color: var(--text-dim); font-size: 14px; }

/* ============ 全球布局 ============ */
.global-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.global-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 16px;
  text-align: center;
  transition: transform .3s, border-color .3s;
}
.global-card:hover { transform: translateY(-6px); border-color: rgba(56, 189, 248, 0.4); }
.global-card strong {
  display: block;
  font-size: 30px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.global-card span { color: var(--text-dim); font-size: 13px; }

/* ============ 联系页 ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 60px;
  align-items: start;
}
.info-item {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}
.info-item:last-child { border-bottom: none; }
.info-icon {
  flex-shrink: 0;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.info-item h4 { font-size: 16px; margin-bottom: 4px; }
.info-item p { color: var(--text-dim); font-size: 14px; }
.info-item a { color: inherit; transition: color .25s; }
.info-item a:hover { color: var(--accent); }

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}
.contact-form h3 { font-size: 22px; margin-bottom: 6px; }
.form-tip { color: var(--text-dim); font-size: 13px; margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color .25s, box-shadow .25s;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}
.form-group input.error,
.form-group textarea.error { border-color: #f87171; }
.form-status { margin-top: 14px; font-size: 14px; min-height: 20px; }
.form-status.ok { color: #34d399; }
.form-status.err { color: #f87171; }

/* ============ 滚动显现动画 ============ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   首页整屏滚动（Fullpage）
   ============================================================ */

/* 模式开关：仅桌面端启用（JS 控制添加 fp-mode） */
body.fp-mode { overflow: hidden; height: 100vh; height: 100dvh; }

/* 背景网格纹理 */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 160, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 160, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 90%);
}

/* 每屏背景层：交叉淡入淡出（如需真实背景图，在对应层加 background-image 即可） */
.bg-layers { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.bg-layer {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.bg-layer.active { opacity: 1; }
.bg-1 { background:
  radial-gradient(ellipse 90% 60% at 50% -10%, rgba(56, 189, 248, 0.16), transparent 62%),
  radial-gradient(ellipse 60% 55% at 88% 78%, rgba(34, 211, 238, 0.12), transparent 60%),
  radial-gradient(ellipse 50% 50% at 8% 60%, rgba(129, 140, 248, 0.1), transparent 60%),
  linear-gradient(180deg, #05080f 0%, #081120 55%, #0a1526 100%); }
.bg-2 { background:
  url("../img/bg-intro.svg") center / cover no-repeat,
  radial-gradient(ellipse 52% 50% at 80% 30%, rgba(56, 189, 248, 0.26), transparent 62%),
  radial-gradient(ellipse 44% 40% at 26% 6%, rgba(129, 140, 248, 0.18), transparent 60%),
  radial-gradient(ellipse 62% 58% at 10% 98%, rgba(34, 211, 238, 0.26), transparent 62%); }
.bg-3 { background:
  url("../img/bg-business.svg") center / cover no-repeat,
  radial-gradient(ellipse 65% 70% at 88% 25%, rgba(129, 140, 248, 0.17), transparent 62%); }
.bg-4 { background:
  url("../img/bg-adv.svg") center / cover no-repeat,
  radial-gradient(ellipse 70% 55% at 50% 108%, rgba(56, 189, 248, 0.11), transparent 62%),
  radial-gradient(ellipse 40% 40% at 85% 8%, rgba(34, 211, 238, 0.10), transparent 60%); }
.bg-5 { background:
  url("../img/bg-news.svg") center / cover no-repeat,
  radial-gradient(ellipse 60% 65% at 8% 18%, rgba(129, 140, 248, 0.15), transparent 62%),
  radial-gradient(ellipse 50% 50% at 92% 92%, rgba(34, 211, 238, 0.10), transparent 60%); }
.bg-6 { background:
  url("../img/bg-contact.svg") center / cover no-repeat,
  radial-gradient(ellipse 90% 60% at 50% 112%, rgba(129, 140, 248, 0.2), transparent 62%); }

/* 滚动容器：整体平移实现切屏 */
.fullpage {
  position: relative;
  z-index: 1;
  transition: transform 1s cubic-bezier(0.77, 0, 0.18, 1);
  will-change: transform;
}
.fullpage.no-anim { transition: none; }

/* 整屏模式：切屏用 translateY，锁定原生滚动并隐藏滚动条（双保险，主锁在 <html> 内联样式） */
.fp-mode { overflow: hidden; }

/* 每屏占满一屏并垂直居中 */
.fp-mode .screen {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
  box-sizing: border-box;
  overflow: hidden;
}
.fp-mode .section.screen { padding-bottom: 0; }
.fp-mode .section-head { margin-bottom: 42px; }

/* 各屏原有背景改为透明，让全局背景层透出来 */
.fp-mode .business { background: transparent; }

/* 内容错落入场动画（--i 由 JS 按元素顺序注入） */
.fp-mode .screen .reveal { transition-delay: calc(var(--i, 0) * 90ms); }

/* 最后一屏：CTA 居中 + 页脚沉底 */
.fp-mode .screen-last { justify-content: flex-start; }
.cta-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.cta-wrap h2 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 14px; }
.cta-wrap p { color: var(--text-dim); margin-bottom: 34px; }
.cta-wrap .btn { margin-bottom: 48px; }
/* 按需求隐藏 CTA 按钮（恢复时删除下行即可） */
.cta-wrap .btn { display: none; }
/* 回退模式（非整屏）：CTA 与页脚之间补间距（整屏模式由 flex 布局自适应） */
body:not(.fp-mode) .cta-wrap { padding-bottom: 72px; }
/* CTA 合作伙伴：3×3 白卡网格，灰色 Logo 悬停恢复彩色 */
.partners { margin-bottom: 0; width: 100%; display: flex; flex-direction: column; align-items: center; }
.cta-wrap .partners-title {
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--text-dim);
  margin-bottom: 18px;
}
.partners-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  width: 100%;
  max-width: 800px;
}
.partner-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.97);
  border-radius: 10px;
  padding: 8px 12px;
  transition: transform .3s, box-shadow .3s;
}
.partner-chip:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(2, 8, 20, 0.5); }
.partner-chip img {
  height: 56px;
  max-width: 100%;
  width: auto;
  display: block;
  filter: grayscale(1);
  opacity: .88;
  transition: filter .3s, opacity .3s;
}
.partner-chip:hover img { filter: none; opacity: 1; }
.fp-mode .screen-last .footer { width: 100%; background: rgba(12, 18, 32, 0.85); }
.fp-mode .screen-last .footer-grid { padding: 36px 0 24px; gap: 28px; }

/* 圆点导航（仅整屏模式显示） */
.fp-dots {
  position: fixed;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: none;
  flex-direction: column;
  gap: 16px;
}
.fp-mode .fp-dots { display: flex; }
.fp-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid rgba(154, 165, 189, 0.55);
  background: transparent;
  cursor: pointer;
  position: relative;
  padding: 0;
  transition: background .3s, border-color .3s, box-shadow .3s, transform .3s;
}
.fp-dot:hover { border-color: var(--accent); transform: scale(1.25); }
.fp-dot.active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.85);
}
.dot-label {
  position: absolute;
  right: 28px;
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  font-size: 14px;
  color: var(--text-dim);
  white-space: nowrap;
  opacity: 0;
  transition: opacity .25s, transform .25s;
  pointer-events: none;
}
.fp-dot:hover .dot-label {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* ============ 加载屏（LOGO 微光扫描） ============ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse 80% 60% at 50% 42%, #14233c 0%, #0a1120 72%);
  transition: opacity .5s ease, visibility 0s; /* 弹出方向（移除 .done）：立即可见并淡入 */
}
.preloader.done {
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .5s ease, visibility 0s linear .5s; /* 淡出方向（加上 .done）：过渡结束后再隐藏 */
}
.preloader-logo {
  width: 196px;
  height: 48px;
  position: relative;
  background: rgba(0, 170, 99, 0.22);
  /* mask 用 data URI 内联 SVG，随 CSS 即刻渲染，无需二次请求 */
  -webkit-mask: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%228%207%20315%2077%22%3E%0A%20%20%3Cpath%20fill%3D%22%2300AA63%22%20fill-rule%3D%22evenodd%22%20d%3D%22M266%2C9L272%2C9L273%2C12L256%2C27L249%2C28L247%2C26Z%20M22%2C35L60%2C35L62%2C37L62%2C41L60%2C43L23%2C43L21%2C45L20%2C47L21%2C53L49%2C53L53%2C53L56%2C56L56%2C59L53%2C62L21%2C62L20%2C63L20%2C79L11%2C80L10%2C79L10%2C45L15%2C38Z%20M81%2C35L107%2C35L112%2C37L118%2C44L118%2C65L115%2C69L109%2C72L108%2C75L102%2C80L75%2C80L69%2C77L65%2C72L64%2C52L66%2C48Z%20M140%2C35L167%2C35L173%2C37L178%2C42L179%2C45L179%2C79L173%2C81L170%2C79L170%2C47L167%2C44L166%2C43L141%2C43L137%2C47L137%2C79L129%2C80L127%2C78L127%2C47L130%2C41L134%2C37Z%20M189%2C35L237%2C35L239%2C37L238%2C41L205%2C71L206%2C72L237%2C72L239%2C74L239%2C78L237%2C80L189%2C80L187%2C76L222%2C44L221%2C43L189%2C43L187%2C41L187%2C37Z%20M250%2C35L256%2C35L258%2C37L258%2C78L256%2C80L248%2C79L248%2C37Z%20M280%2C35L318%2C35L319%2C36L320%2C39L318%2C43L282%2C43L280%2C44L278%2C46L277%2C52L278%2C53L310%2C53L313%2C55L313%2C61L311%2C62L290%2C62L278%2C62L277%2C63L278%2C69L280%2C71L282%2C72L318%2C72L320%2C76L318%2C80L279%2C80L273%2C77L268%2C71L268%2C45L273%2C38Z%20M74%2C44L105%2C44L108%2C47L108%2C71L78%2C71L76%2C70L74%2C67Z%22%2F%3E%0A%3C%2Fsvg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%228%207%20315%2077%22%3E%0A%20%20%3Cpath%20fill%3D%22%2300AA63%22%20fill-rule%3D%22evenodd%22%20d%3D%22M266%2C9L272%2C9L273%2C12L256%2C27L249%2C28L247%2C26Z%20M22%2C35L60%2C35L62%2C37L62%2C41L60%2C43L23%2C43L21%2C45L20%2C47L21%2C53L49%2C53L53%2C53L56%2C56L56%2C59L53%2C62L21%2C62L20%2C63L20%2C79L11%2C80L10%2C79L10%2C45L15%2C38Z%20M81%2C35L107%2C35L112%2C37L118%2C44L118%2C65L115%2C69L109%2C72L108%2C75L102%2C80L75%2C80L69%2C77L65%2C72L64%2C52L66%2C48Z%20M140%2C35L167%2C35L173%2C37L178%2C42L179%2C45L179%2C79L173%2C81L170%2C79L170%2C47L167%2C44L166%2C43L141%2C43L137%2C47L137%2C79L129%2C80L127%2C78L127%2C47L130%2C41L134%2C37Z%20M189%2C35L237%2C35L239%2C37L238%2C41L205%2C71L206%2C72L237%2C72L239%2C74L239%2C78L237%2C80L189%2C80L187%2C76L222%2C44L221%2C43L189%2C43L187%2C41L187%2C37Z%20M250%2C35L256%2C35L258%2C37L258%2C78L256%2C80L248%2C79L248%2C37Z%20M280%2C35L318%2C35L319%2C36L320%2C39L318%2C43L282%2C43L280%2C44L278%2C46L277%2C52L278%2C53L310%2C53L313%2C55L313%2C61L311%2C62L290%2C62L278%2C62L277%2C63L278%2C69L280%2C71L282%2C72L318%2C72L320%2C76L318%2C80L279%2C80L273%2C77L268%2C71L268%2C45L273%2C38Z%20M74%2C44L105%2C44L108%2C47L108%2C71L78%2C71L76%2C70L74%2C67Z%22%2F%3E%0A%3C%2Fsvg%3E") center / contain no-repeat;
  animation: preloader-pulse 2.2s ease-in-out infinite;
}
.preloader-logo::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(100deg, transparent 20%, #a8ffdc 50%, transparent 80%);
  /* transform 扫光走 GPU 合成，避免 background-position 主线程重绘造成的周期性卡顿 */
  /* 行程收窄到 ±110%：扫光带刚离开 Logo 即回环，循环间隔更短 */
  transform: translateX(-110%);
  animation: preloader-sweep 1.3s linear infinite;
  will-change: transform;
}
@keyframes preloader-sweep {
  to { transform: translateX(110%); }
}
@keyframes preloader-pulse {
  0%, 100% { opacity: .82; }
  50% { opacity: 1; }
}

/* ============ 响应式 ============
   断点体系（宽度断点按降序排列，窄断点规则自然覆盖宽断点）：
   · >1100px        桌面完整版（整屏翻页：JS 另要求高≥600 且每屏内容实测不超高，否则自动回退常规滚动）
   · 1261px 以上   横排导航（实测需要 ≥1228px）
   · 1101~1260px   汉堡抽屉导航（整屏翻页不受影响）
   · 961~1100px     过渡区：关于/联系单栏；新闻 2 列
   · 721~960px      平板：业务/案例单栏；统计 2 列；页脚 2 列
   · 481~720px      手机：全面单列堆叠、触控友好
   · ≤480px / ≤380px 小屏手机：字号与间距细化、防溢出
   高度维度（与宽度正交，置于最后）：
   · 高≤880px 且 宽≥721px：矮屏/横屏紧凑模式，压缩间距字号，保证整屏内容可见 */

/* 导航断点（≤1260px）：Logo 加大后横排导航需要 ≥1228px，提前切换为汉堡菜单 */
@media (max-width: 1260px) {
  .navbar.scrolled, .navbar.solid { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(13, 21, 38, 0.96); }
  .nav-toggle { position: relative; z-index: 2; display: flex; }
  .nav-links {
    z-index: 1;
    position: fixed;
    top: 0; right: 0;
    width: min(320px, 82vw);
    height: 100vh;
    background:
      radial-gradient(ellipse 90% 40% at 80% 0%, rgba(56, 189, 248, 0.18), transparent 65%),
      linear-gradient(165deg, #214670 0%, #152a4a 42%, #14233c 100%);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--nav-h) + 28px) 32px 40px;
    gap: 26px;
    transform: translateX(100%);
    transition: none; /* 过渡由 JS 点击时启用，避免跨越断点时右侧闪现 */
    border-left: 1px solid rgba(56, 189, 248, 0.25);
  }
  .nav-links.open { transform: translateX(0); }
}

/* 过渡区（≤1100px）：关于/联系单栏，新闻 2 列，业务手风琴转竖向 */
@media (max-width: 1100px) {
  .intro-grid, .contact-grid { grid-template-columns: 1fr; gap: 50px; }
  .intro-visual { order: -1; }
  /* 721~1100px：新闻 6 条改两列，避免单列过长 */
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  /* 优势 4 卡改两列，避免过窄 */
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  /* 竖向手风琴：收起为标题行，点击展开 */
  .acc { flex-direction: column; height: auto; gap: 14px; }
  /* flex 必须连 .active 一起覆盖：基础样式 .acc-item.active{flex:3.4} 优先级更高，
     竖向容器高度 auto 时 flex-grow 会把展开条压成 0 高 */
  .acc-item, .acc-item.active { flex: none; }
  .acc-item { height: 74px; transition: height .5s cubic-bezier(.22, .61, .36, 1), border-color .4s, box-shadow .4s; }
  .acc-item.active { height: 330px; }
  .acc-collapsed {
    inset: 0 0 auto 0;
    height: 74px;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 18px;
    padding: 0 22px;
  }
  .acc-vtitle { writing-mode: horizontal-tb; letter-spacing: 2px; font-size: 18px; }
  .acc-item.active .acc-collapsed { opacity: 1; } /* 竖向模式保留标题行 */
  .acc-detail { top: 66px; bottom: auto; padding: 6px 22px 22px; }
  .acc-detail h3 { display: none; } /* 标题已在收起行 */
}

/* 平板（≤960px）：案例单栏，统计与页脚改两列 */
@media (max-width: 960px) {
  .global-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 18px 0; }
  .hs-item:nth-child(3) { border-left: none; }
  .case-card { grid-template-columns: 1fr; }
  .case-media { min-height: 240px; }
  .case-body { padding: 28px 24px; }
  .news-item { flex-direction: row; padding: 24px 22px; gap: 20px; }
  .news-item-date { width: 72px; padding-right: 20px; }
  .news-item-date strong { font-size: 30px; }
}

/* 手机（≤720px）：全面单列堆叠与触控友好 */
@media (max-width: 720px) {
  .news-grid { grid-template-columns: 1fr; }
  .stat:nth-child(3)::before { display: none; }
  .adv-grid { grid-template-columns: 1fr; }
  .job-grid { grid-template-columns: 1fr; }
  .partners-row { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .partner-chip { padding: 6px 8px; }
  .partner-chip img { height: 38px; }
  .form-row { grid-template-columns: 1fr; }
  .global-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-form { padding: 28px 22px; }
  .case-info-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .case-media { min-height: 200px; }
  .cases-section .container { gap: 32px; }
  .news-item { flex-direction: column; gap: 14px; }
  .news-item-date {
    width: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 0 0 12px;
    flex-direction: row;
    align-items: baseline;
    justify-content: flex-start;
    gap: 10px;
  }
  .news-item-date strong { font-size: 26px; }
  .footer .logo-img { height: 24px; }
}

/* 小屏手机（≤480px）：触控与字号细化 */
@media (max-width: 480px) {
  .section { padding: 80px 0; }
  .hero-badge { font-size: 12px; letter-spacing: 0.5px; padding: 8px 14px 6px; }
  .hero-title { font-size: 30px; }
  .hero-sub { font-size: 14px; }
  .hero-stats { padding: 20px 6px; margin-bottom: 28px; }
  .hs-item { padding: 4px 16px; }
  .hs-item strong { font-size: 22px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { text-align: center; }
  .news-card { flex-direction: column; gap: 12px; }
  .news-date {
    width: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 0 0 10px;
    display: flex;
    align-items: baseline;
    gap: 10px;
  }
  .news-date strong { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .info-item { gap: 14px; }
  .contact-form { padding: 24px 18px; }
  .value-item { padding: 20px 22px; }
}

/* 超小屏（≤380px）：防溢出与错位专项 */
@media (max-width: 380px) {
  .hero-badge { font-size: 11px; padding: 7px 13px 5px; gap: 7px; letter-spacing: 0; }
  .hero-title { font-size: 26px; letter-spacing: 0; }
  .hero-sub { font-size: 13px; margin-bottom: 28px; }
  .btn { padding: 12px 26px; font-size: 14px; }
  .hs-item { padding: 4px 12px; }
  .hs-item strong { font-size: 19px; }
  .hs-label { font-size: 12px; }
  .section-title { font-size: 24px; }
  .contact-form { padding: 22px 16px; }
  .info-icon { width: 40px; height: 40px; font-size: 17px; }
  .news-card { padding: 22px 18px; }
}

/* 矮屏 / 横屏桌面（高≤880px 且 宽≥721px，与宽度断点正交故置于最后）：
   压缩间距与字号，保证整屏内容完整可见（1920@125% 缩放后高度约 816px，阈值覆盖到 880） */
@media (max-height: 880px) and (min-width: 721px) {
  .hero-content { padding: 8px 0; }
  .hero-badge { margin-bottom: 16px; padding: 7px 14px 5px; font-size: 12px; }
  .hero-title { font-size: clamp(26px, 3.6vw, 40px); margin-bottom: 14px; }
  .hero-sub { margin-bottom: 22px; font-size: 14px; }
  .hero-stats { padding: 16px 8px; margin-bottom: 22px; }
  .hs-item strong { font-size: 22px; }
  .hs-label { font-size: 12px; }
  .section-title { font-size: clamp(22px, 2.6vw, 30px); margin-bottom: 14px; }
  .fp-mode .section-head { margin-bottom: 26px; }
  .adv-card { padding: 22px 24px; }
  .adv-media { margin: -22px -24px 16px; height: 110px; }
  .adv-icon { width: 44px; height: 44px; font-size: 20px; margin: 12px 0 14px; }
  .section-lead { font-size: 14px; margin-top: 10px; }
  .news-card { padding: 20px; }
  .intro-text p { margin-bottom: 10px; font-size: 14px; }
  .map-visual { max-width: 480px; }
  .pin-label { font-size: 11px; padding: 2px 7px; }
  .cta-wrap h2 { font-size: 24px; }
  .cta-wrap p { margin-bottom: 20px; }
  .fp-mode .screen-last .footer-grid { padding: 22px 0 14px; }
  .footer-bottom { padding: 14px 0; }
}


/* ============================================================
   浅色主题覆盖块（生成器追加，主色 #00AA63，白底内容区 + 黑色 Hero/页脚）
   ============================================================ */
:root {
  --bg: #f1f5f2;
  --bg-soft: #ffffff;
  --bg-card: #ffffff;
  --border: rgba(13, 45, 30, 0.14);
  --text: #15211a;
  --text-dim: #54655b;
  --accent: #00AA63;
  --accent-2: #007a48;
  --accent-3: #00c876;
  --gradient: linear-gradient(120deg, #00c876, #00AA63 45%, #007a48);
}
::selection { background: rgba(0, 170, 99, 0.28); }

/* ---- 导航：浅色站常驻白底 ---- */
.navbar { background: rgba(255, 255, 255, 0.86); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--border); }
.navbar.scrolled, .navbar.solid { background: rgba(255, 255, 255, 0.94); }
.logo-img { filter: none; } /* logo.svg 已使用品牌绿 #00AA63 */
.lang-switch { background: rgba(255, 255, 255, 0.78); border-color: var(--border); }
.lang-switch button { color: #54665b; }
.lang-switch button.active { color: #ffffff; }
.lang-switch button:hover { color: #15211a; }
.lang-switch button.active:hover { color: #ffffff; }

/* ---- 首页首屏（黑色 Hero）：导航透明反白，over-dark 状态由注入脚本按屏/滚动切换 ---- */
.navbar.over-dark { background: transparent; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
.navbar.over-dark .nav-links a { color: rgba(228, 240, 233, 0.72); }
.navbar.over-dark .nav-links a:hover, .navbar.over-dark .nav-links a.active { color: #ffffff; }
.navbar.over-dark .logo-img { filter: none; } /* logo.svg 已使用品牌绿 #00AA63 */
.navbar.over-dark .nav-toggle span { background: #edf5f0; }
.navbar.over-dark .lang-switch { background: rgba(13, 20, 36, 0.6); border-color: rgba(255, 255, 255, 0.18); }
.navbar.over-dark .lang-switch button { color: rgba(228, 240, 233, 0.72); }
.navbar.over-dark .lang-switch button:hover { color: #ffffff; }
.navbar.over-dark .lang-switch button.active { color: #ffffff; }

/* ---- Hero / 页脚 / 手风琴：黑色岛屿，局部覆盖变量 ---- */
.hero { --text: #edf5f0; --text-dim: rgba(212, 229, 219, 0.72); --border: rgba(150, 200, 175, 0.16); background: #060b09; color: #edf5f0; }
.footer { --text: #e4efe8; --text-dim: #8ea296; --border: rgba(150, 200, 175, 0.14); background: #070d0a; color: #e4efe8; } /* color 须显式设置：body 的 color 在 :root 作用域已结算为深色，h4 继承会隐形 */
.acc-item { --text: #ecf7f0; --text-dim: rgba(218, 236, 226, 0.8); }

.hero-bg {
  background:
    radial-gradient(ellipse 55% 50% at 80% 26%, rgba(0, 200, 120, 0.2), transparent 62%),
    radial-gradient(ellipse 45% 42% at 10% 88%, rgba(0, 170, 99, 0.16), transparent 62%),
    radial-gradient(ellipse 42% 36% at 50% 112%, rgba(0, 200, 120, 0.12), transparent 60%),
    linear-gradient(100deg, rgba(5, 12, 9, 0.95) 0%, rgba(5, 12, 9, 0.72) 42%, rgba(5, 12, 9, 0.35) 75%, rgba(5, 12, 9, 0.6) 100%),
    linear-gradient(0deg, rgba(5, 12, 9, 0.88) 0%, transparent 32%),
    url("../img/hero-bg.svg") center / cover no-repeat;
}
.hero-badge { border-color: rgba(0, 200, 120, 0.4); background: rgba(0, 170, 99, 0.12); color: #b6ecd3; }
.hero-stats { background: rgba(8, 18, 13, 0.55); border-color: rgba(160, 230, 195, 0.16); }
.hs-item + .hs-item { border-left-color: rgba(160, 230, 195, 0.16); }
.hero .btn-ghost { background: rgba(6, 14, 10, 0.35); }

/* ---- 按钮 ---- */
.btn-primary { color: #04150d; box-shadow: 0 6px 24px rgba(0, 170, 99, 0.32); }
.btn-primary:hover { box-shadow: 0 10px 32px rgba(0, 170, 99, 0.45); }
.btn-ghost { border-color: rgba(90, 120, 105, 0.4); }
.btn-outline { border-color: rgba(0, 170, 99, 0.45); }
.btn-outline:hover { background: rgba(0, 170, 99, 0.08); }
.intro .btn-outline { background: var(--accent); border-color: transparent; color: #fff; }
.intro .btn-outline:hover { background: var(--accent-2); }

/* ---- 卡片：白底换柔和阴影，悬停描边换绿 ---- */
.adv-card:hover, .job-card:hover {
  border-color: rgba(0, 170, 99, 0.45);
  box-shadow: 0 18px 40px rgba(18, 48, 34, 0.14), 0 0 30px rgba(0, 170, 99, 0.08);
}
.case-card:hover, .news-item:hover {
  border-color: rgba(0, 170, 99, 0.45);
  box-shadow: 0 20px 48px rgba(18, 48, 34, 0.14), 0 0 36px rgba(0, 170, 99, 0.07);
}
.news-card:hover, .global-card:hover { border-color: rgba(0, 170, 99, 0.45); }
.adv-icon { background: rgba(0, 170, 99, 0.1); border-color: rgba(0, 170, 99, 0.24); }
.adv-card:hover .adv-icon { box-shadow: 0 8px 22px rgba(0, 170, 99, 0.22); }
.adv-media img { filter: brightness(0.92) saturate(0.95); }
.adv-card:hover .adv-media img { filter: brightness(1) saturate(1); }
.case-info-item { background: rgba(0, 170, 99, 0.05); }
.info-icon { background: rgba(0, 170, 99, 0.09); border-color: rgba(0, 170, 99, 0.24); }
.biz-key, .case-scope span, .job-tag { border-color: rgba(0, 170, 99, 0.32); background: rgba(0, 170, 99, 0.06); }
.news-tag { border-color: rgba(0, 170, 99, 0.38); }

/* ---- 手风琴：保持深色质感，蓝调换绿调 ---- */
.acc-item { background: linear-gradient(135deg, #12563a, #0b3a26); border-color: rgba(13, 45, 30, 0.2); }
.acc-item.active { border-color: rgba(0, 200, 120, 0.5); box-shadow: 0 18px 44px rgba(10, 35, 24, 0.35), 0 0 30px rgba(0, 170, 99, 0.12); }
.acc-shade { background: linear-gradient(180deg, rgba(6, 14, 10, 0.05) 30%, rgba(6, 14, 10, 0.82) 88%); }
.acc-detail h3 { color: #f2faf5; }
.acc-sub { color: #4ae3a0; }
.acc-item .biz-key { color: #6ff0b6; border-color: rgba(0, 200, 120, 0.4); background: rgba(0, 170, 99, 0.14); }

/* ---- 世界地图标记 ---- */
.pin-dot { background: #00c876; box-shadow: 0 0 10px #00c876; }
.pin-dot::after { border-color: rgba(0, 200, 120, 0.55); }
.pin-label { color: #dcf5e8; background: rgba(8, 24, 16, 0.9); border-color: rgba(0, 170, 99, 0.4); }

/* ---- CTA / 合作伙伴 ---- */
.cta { background: radial-gradient(ellipse at 50% 120%, rgba(0, 170, 99, 0.1), transparent 60%), var(--bg-soft); }
.partner-chip { border: 1px solid var(--border); box-shadow: 0 2px 10px rgba(18, 48, 34, 0.06); }
.partner-chip:hover { box-shadow: 0 10px 26px rgba(18, 48, 34, 0.14); }

/* ---- 内页 banner：线稿 SVG 压暗 + 转绿，白底可读 ---- */
.page-banner.banner-cases, .page-banner.banner-news, .page-banner.banner-about,
.page-banner.banner-contact, .page-banner.banner-job { background: var(--bg-soft); }
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--banner-svg) center / cover no-repeat;
  filter: brightness(0.45) hue-rotate(-58deg);
}
.page-banner.banner-cases { --banner-svg: url("../img/banner-cases.svg"); }
.page-banner.banner-news { --banner-svg: url("../img/banner-news.svg"); }
.page-banner.banner-about { --banner-svg: url("../img/banner-about.svg"); }
.page-banner.banner-contact { --banner-svg: url("../img/banner-contact.svg"); }
.page-banner.banner-job { --banner-svg: url("../img/banner-job.svg"); }
.page-banner .container { position: relative; z-index: 1; }
.page-banner-glow { background: radial-gradient(circle, rgba(0, 170, 99, 0.12), transparent 65%); }

/* ---- 表单 ---- */
.form-group input, .form-group select, .form-group textarea { background: #f7faf8; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  box-shadow: 0 0 0 3px rgba(0, 170, 99, 0.14);
}
.form-status.ok { color: #00AA63; }

/* ---- 整屏背景层：浅色渐变 + 线稿压暗转绿（::after 承载 SVG，避免滤镜影响渐变） ---- */
.bg-grid {
  background-image:
    linear-gradient(rgba(0, 110, 64, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 110, 64, 0.05) 1px, transparent 1px);
}
.bg-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bg-svg, none) center / cover no-repeat;
  filter: brightness(0.5) hue-rotate(-58deg);
}
.bg-1 { background:
  radial-gradient(ellipse 90% 60% at 50% -10%, rgba(0, 170, 99, 0.1), transparent 62%),
  radial-gradient(ellipse 60% 55% at 88% 78%, rgba(0, 200, 120, 0.08), transparent 60%),
  radial-gradient(ellipse 50% 50% at 8% 60%, rgba(0, 122, 72, 0.07), transparent 60%),
  linear-gradient(180deg, #e9f1ec 0%, #f2f7f3 55%, #ffffff 100%); }
.bg-2 { --bg-svg: url("../img/bg-intro.svg"); background:
  radial-gradient(ellipse 52% 50% at 80% 30%, rgba(0, 170, 99, 0.12), transparent 62%),
  radial-gradient(ellipse 62% 58% at 10% 98%, rgba(0, 200, 120, 0.12), transparent 62%); }
.bg-3 { --bg-svg: url("../img/bg-business.svg"); background:
  radial-gradient(ellipse 65% 70% at 88% 25%, rgba(0, 122, 72, 0.1), transparent 62%); }
.bg-4 { --bg-svg: url("../img/bg-adv.svg"); background:
  radial-gradient(ellipse 70% 55% at 50% 108%, rgba(0, 170, 99, 0.08), transparent 62%),
  radial-gradient(ellipse 40% 40% at 85% 8%, rgba(0, 200, 120, 0.07), transparent 60%); }
.bg-5 { --bg-svg: url("../img/bg-news.svg"); background:
  radial-gradient(ellipse 60% 65% at 8% 18%, rgba(0, 122, 72, 0.09), transparent 62%),
  radial-gradient(ellipse 50% 50% at 92% 92%, rgba(0, 200, 120, 0.07), transparent 60%); }
.bg-6 { --bg-svg: url("../img/bg-contact.svg"); background:
  radial-gradient(ellipse 90% 60% at 50% 112%, rgba(0, 170, 99, 0.12), transparent 62%); }
.fp-mode .screen-last .footer { background: rgba(7, 13, 10, 0.88); }

/* ---- 圆点 / 加载屏 ---- */
.fp-dot { border-color: rgba(70, 100, 85, 0.5); }
.fp-dot.active { box-shadow: 0 0 12px rgba(0, 170, 99, 0.7); }
.preloader { background: radial-gradient(ellipse 80% 60% at 50% 42%, #ffffff 0%, #e9f1ec 72%); }
.preloader-logo { background: rgba(0, 170, 99, 0.75); } /* 绿色实底衬出扫光 */
.preloader-logo::after { background: linear-gradient(100deg, transparent 20%, #ffffff 50%, transparent 80%); } /* 白色扫光带，浅底下可见 */

/* ---- 移动端抽屉 ---- */
@media (max-width: 1260px) {
  .navbar.scrolled, .navbar.solid { background: rgba(255, 255, 255, 0.96); }
  .nav-links {
    background:
      radial-gradient(ellipse 90% 40% at 80% 0%, rgba(0, 170, 99, 0.12), transparent 65%),
      linear-gradient(165deg, #ffffff 0%, #eef6f1 100%);
    border-left-color: rgba(0, 170, 99, 0.25);
  }
  /* 抽屉内文字始终深色系：over-dark 的反白只适用于横排导航（白抽屉上反白会隐形） */
  .navbar.over-dark .nav-links a { color: var(--text-dim); }
  .navbar.over-dark .nav-links a:hover, .navbar.over-dark .nav-links a.active { color: var(--text); }
}