/* =========================================================
   深圳思飞生物 — 全站样式（参照 网站2 蓝色科技风）
   配色：主蓝 #0a4d8c / 青 #16a3b8；简洁留白 / 卡片化 / 响应式
   ========================================================= */

:root {
  --primary: #0a4d8c;
  --primary-dark: #073a6b;
  --primary-light: #1565b3;
  --accent: #16a3b8;
  --accent-soft: #e3f4f7;
  --blue-soft: #eaf3fb;
  --bg: #ffffff;
  --bg-alt: #f5f8fb;
  --text: #1f2937;
  --text-light: #5b6b7c;
  --line: #e3eaf1;
  --radius: 12px;
  --shadow: 0 8px 28px rgba(10, 77, 140, 0.10);
  --shadow-hover: 0 14px 38px rgba(10, 77, 140, 0.16);
  --max: 1200px;
  --header-h: 96px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; vertical-align: middle; }
a { color: inherit; text-decoration: none; transition: color .2s; }
ul, ol { list-style: none; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { font-weight: 600; line-height: 1.35; color: var(--primary-dark); }

/* ---------- 顶部信息条 ---------- */
.topbar {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, .82);
  font-size: 13px;
  height: 36px;
  display: flex;
  align-items: center;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.topbar a:hover { color: #fff; }

/* ---------- 主导航（sticky） ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1200;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--line);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: calc(var(--header-h) - 36px); }

.logo { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.logo img.logo-img { width: 40px; height: 40px; flex: 0 0 auto; }
.logo-text { display: flex; align-items: baseline; gap: 9px; line-height: 1.2; white-space: nowrap; }
.logo-cn { font-size: 17px; font-weight: 700; color: var(--primary-dark); letter-spacing: 1px; }

.main-nav > ul { display: flex; align-items: center; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 13px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
}
.main-nav > ul > li > a:hover,
.main-nav > ul > li.active > a { color: var(--primary); }
.main-nav > ul > li.active > a { font-weight: 600; }
.main-nav > ul > li.active::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 4px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.arrow { font-size: 10px; color: #9db1c5; transition: transform .25s; }

/* 下拉菜单 */
.dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 200px;
  background: #fff;
  border-radius: 10px;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--line);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transition: all .25s ease;
}
.main-nav li:hover > .dropdown,
.main-nav li:focus-within > .dropdown {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.main-nav li:hover .arrow { transform: rotate(180deg); }
.dropdown a {
  display: block;
  padding: 10px 22px;
  font-size: 15px;
  color: var(--text-light);
}
.dropdown a:hover { color: var(--primary); background: var(--blue-soft); }
.dropdown::before {
  content: "";
  position: absolute;
  top: -7px; left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px; height: 12px;
  background: #fff;
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
}

/* 导航内搜索框：胶囊输入框 + 右侧圆形图标按钮 */
.nav-search { margin-left: 14px; }
.nav-search-form { position: relative; width: 172px; }
.nav-search-form input {
  width: 100%;
  height: 38px;
  line-height: 36px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--bg-alt);
  padding: 0 46px 0 18px;
  font-size: 13px;
  color: var(--text);
  outline: 0;
  transition: border-color .25s, background .25s, box-shadow .25s;
}
.nav-search-form input::placeholder { color: #9aa9b8; }
.nav-search-form input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(10, 77, 140, .10);
}
.nav-search-form button {
  position: absolute;
  top: 0; right: 0;
  width: 38px; height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--primary);
  border-radius: 50%;
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  transition: background .25s, color .25s, border-color .25s;
}
.nav-search-form button:hover { background: var(--primary); color: #fff; }

/* 移动端汉堡 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--primary-dark); border-radius: 2px; transition: .3s; }
.nav-mask {
  position: fixed; inset: 0;
  background: rgba(7, 26, 43, .45);
  opacity: 0; visibility: hidden;
  transition: .3s;
  z-index: 1050;
}
.nav-mask.show { opacity: 1; visibility: visible; }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(128deg, #073a6b 0%, #0a4d8c 46%, #0e6aa8 78%, #16a3b8 130%);
  color: #fff;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(680px 380px at 88% 18%, rgba(22, 163, 184, .35), transparent 65%),
    radial-gradient(520px 320px at 72% 85%, rgba(255, 255, 255, .10), transparent 60%);
}
.hero .container { position: relative; z-index: 2; }
.hero-kicker {
  display: inline-block;
  font-size: 14px;
  letter-spacing: 4px;
  color: #9fd9e4;
  border: 1px solid rgba(159, 217, 228, .45);
  border-radius: 999px;
  padding: 6px 18px;
  margin-bottom: 26px;
}
.hero h1 { font-size: 44px; color: #fff; line-height: 1.3; max-width: 640px; }
.hero h1 em { font-style: normal; color: #7fe0ee; }
.hero p.lead { margin-top: 20px; font-size: 18px; color: rgba(255,255,255,.85); max-width: 560px; }
.hero-actions { margin-top: 36px; display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 500;
  transition: all .25s;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #1291a5; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(22,163,184,.4); }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-outline { border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }

/* hero 悬浮微球装饰 */
.sphere { position: absolute; border-radius: 50%; z-index: 1; animation: float 9s ease-in-out infinite; }
.sphere.s1 { width: 180px; height: 180px; right: 12%; top: 16%;
  background: radial-gradient(circle at 32% 28%, #bfeef5, #2aa8c9 58%, #0d5f8a); opacity: .9; }
.sphere.s2 { width: 90px; height: 90px; right: 26%; top: 62%;
  background: radial-gradient(circle at 34% 30%, #ffe3b8, #f0a04b 60%, #96541a); opacity: .8; animation-delay: -3s; }
.sphere.s3 { width: 54px; height: 54px; right: 6%; top: 58%;
  background: radial-gradient(circle at 34% 30%, #e3f4f7, #6cc5d8 62%, #136d86); opacity: .85; animation-delay: -6s; }
.sphere.s4 { width: 34px; height: 34px; right: 38%; top: 26%;
  background: radial-gradient(circle at 34% 30%, #d8f3e9, #58b98d 62%, #1d6b4a); opacity: .8; animation-delay: -1.5s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-18px); } }

/* hero 背景照片 */
.hero-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .38; z-index: 0; }

/* ---------- 数据亮点 ---------- */
.stats { background: #fff; margin-top: -64px; position: relative; z-index: 5; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.stat-item { padding: 34px 20px; text-align: center; border-right: 1px solid var(--line); }
.stat-item:last-child { border-right: 0; }
.stat-num { font-size: 38px; font-weight: 700; color: var(--primary); font-family: Georgia, "Times New Roman", serif; }
.stat-num span { font-size: 18px; margin-left: 2px; color: var(--accent); }
.stat-label { margin-top: 6px; color: var(--text-light); font-size: 15px; }

/* ---------- 通用 Section ---------- */
.section { padding: 52px 0; }
.section.alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 34px; }
.section-head .en {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
  font-weight: 600;
}
.section-head h2 { font-size: 32px; }
.section-head p { margin-top: 14px; color: var(--text-light); }
.section-head .bar {
  width: 52px; height: 4px; border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  margin: 18px auto 0;
}

/* ---------- 卡片 ---------- */
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cards-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.section.alt .card { box-shadow: 0 4px 18px rgba(10,77,140,.06); }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
.card-icon {
  width: 62px; height: 62px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--blue-soft), var(--accent-soft));
}
.card-icon svg, .card-icon img { width: 34px; height: 34px; object-fit: contain; }
.card h3 { font-size: 19px; margin-bottom: 12px; }
.card p { color: var(--text-light); font-size: 15px; }
.card .more {
  display: inline-block;
  margin-top: 18px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 500;
}
.card .more:hover { color: var(--primary); }

/* 产品平台卡（首页）—— 渐变球由 CSS 生成，栏目可在后台自由增减 */
.platform-card { text-align: center; padding-top: 40px; }
.platform-card .ball { width: 92px; height: 92px; margin: 0 auto 22px; display: block; border-radius: 50%; }
.platform-card .ball.b1 { background: radial-gradient(circle at 35% 30%, #9fd9e8 0%, #2a86c9 60%, #0a4d8c 100%); }
.platform-card .ball.b2 { background: radial-gradient(circle at 35% 30%, #a7e6ef 0%, #16a3b8 60%, #0e6aa8 100%); }
.platform-card .ball.b3 { background: radial-gradient(circle at 35% 30%, #ffe3b8 0%, #ffd54f 55%, #e8930c 100%); }
.platform-card .ball.b4 { background: radial-gradient(circle at 35% 30%, #d8f3e9 0%, #58b98d 60%, #1d6b4a 100%); }
.platform-card .ball.b5,
.platform-card .ball.b6 { background: radial-gradient(circle at 35% 30%, #cfe0f5 0%, #4a86c9 60%, #0a4d8c 100%); }

/* 子栏目卡片（磁珠 / 聚合物微球等含下级的栏目） */
.subcat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 0 0 34px; }
.subcat-card {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .3s;
}
.subcat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
.subcat-media {
  position: relative; height: 148px; overflow: hidden;
  background: linear-gradient(135deg, #e6f2fb 0%, #dff0f4 100%);
}
.subcat-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.subcat-card:hover .subcat-media img { transform: scale(1.06); }
.subcat-body { padding: 18px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.subcat-body h3 {
  font-size: 17px; margin-bottom: 8px; color: var(--text);
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.subcat-body p {
  color: var(--text-light); font-size: 13.5px; line-height: 1.7; flex: 1; margin: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.subcat-body .more { margin-top: 12px; color: var(--accent); font-size: 13.5px; font-weight: 500; }
.subcat-card:hover .subcat-body .more { color: var(--primary); }
@media (max-width: 860px) {
  .subcat-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 22px; }
  .subcat-media { height: 104px; }
  .subcat-body { padding: 12px 13px 15px; }
  .subcat-body h3 { font-size: 15px; }
  .subcat-body p { font-size: 12.5px; line-height: 1.6; }
}

/* 列表项卡片（列表页） */
.entry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.entry-card { display: flex; flex-direction: column; padding: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .3s; }
.entry-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
.entry-card .card-media { height: 180px; border-radius: 0; margin: 0; width: 100%; max-width: 100%; }
.entry-card .entry-body { padding: 22px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.entry-card h3 { font-size: 18px; margin-bottom: 10px; }
.entry-card p { color: var(--text-light); font-size: 14px; flex: 1; }
.entry-card .more { margin-top: 14px; }

/* ---------- 子栏目导航（与列表内容区左对齐） ---------- */
.subnav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 36px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}
.subnav-label {
  position: relative;
  margin-right: 8px;
  padding-left: 13px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--primary);
}
.subnav-label::before {
  content: "";
  position: absolute; left: 0; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 15px; border-radius: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}
.subnav a {
  display: inline-flex;
  align-items: center;
  padding: 9px 24px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .8px;
  line-height: 1.45;
  box-shadow: 0 2px 8px rgba(10, 77, 140, .04);
  transition: all .25s;
}
.subnav a:hover {
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(10, 77, 140, .12);
}
.subnav a.active {
  background: linear-gradient(120deg, var(--primary) 0%, var(--accent) 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 22px rgba(10, 77, 140, .22);
}

.subnav-sub { display: none; margin: -14px 0 36px; padding-bottom: 24px; }
.subnav-sub.show { display: flex; }
.subnav-sub .subnav-label { color: var(--accent); }
.subnav-sub a { padding: 7px 18px; font-size: 14px; }

/* ---------- 关于板块（图文） ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.split .visual {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: linear-gradient(135deg, var(--blue-soft), var(--accent-soft));
  aspect-ratio: 4 / 3;
  display: flex; align-items: center; justify-content: center;
}
.split h2 { font-size: 30px; margin-bottom: 18px; }
.split p { color: var(--text-light); margin-bottom: 14px; }
.check-list { margin: 20px 0 28px; }
.check-list li { padding: 8px 0 8px 34px; position: relative; color: var(--text); }
.check-list li::before {
  content: "✓";
  position: absolute; left: 0; top: 7px;
  width: 22px; height: 22px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 6px;
  font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}

/* ---------- 新闻卡片 ---------- */
.news-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .3s;
  display: flex;
  flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.news-cover { height: 180px; overflow: hidden; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; }
.news-cover.c1, .card-media.c1 { background: linear-gradient(120deg, #0a4d8c, #16a3b8); }
.news-cover.c2, .card-media.c2 { background: linear-gradient(120deg, #16a3b8, #3ecf8e); }
.news-cover.c3, .card-media.c3 { background: linear-gradient(120deg, #5b6b9e, #0a4d8c); }
.news-cover.c4, .card-media.c4 { background: linear-gradient(120deg, #0e6aa8, #58b98d); }
.news-cover.c5, .card-media.c5 { background: linear-gradient(120deg, #2a86c9, #5b6b9e); }
.news-cover.c6, .card-media.c6 { background: linear-gradient(120deg, #e8930c, #16a3b8); }
.card-media img, .news-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.news-cover svg, .card-media svg { width: 56px; height: 56px; opacity: .9; margin: 0 auto; display: block; }
.news-body { padding: 24px 24px 28px; flex: 1; display: flex; flex-direction: column; }
.news-date { font-size: 13px; color: var(--accent); letter-spacing: 1px; }
.news-body h3 { font-size: 17px; margin: 10px 0 12px; line-height: 1.55; }
.news-body h3 a:hover { color: var(--primary); }
.news-body p { font-size: 14px; color: var(--text-light); flex: 1; }
.news-list-plain li {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 18px 4px;
  border-bottom: 1px dashed var(--line);
}
.news-list-plain li a { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-list-plain li a:hover { color: var(--primary); }
.news-list-plain time { color: #9aa9b8; font-size: 14px; flex: 0 0 auto; }

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(120deg, var(--primary-dark), var(--primary) 55%, #1068a6);
  color: #fff;
  padding: 72px 0;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta h2 { color: #fff; font-size: 28px; }
.cta p { color: rgba(255,255,255,.8); margin-top: 10px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #0b1f33; color: #93a5b8; font-size: 14px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 44px;
  padding: 64px 0 48px;
}
.footer-grid h4 { color: #fff; font-size: 16px; margin-bottom: 18px; font-weight: 600; }
.footer-grid a { display: block; padding: 5px 0; color: #93a5b8; }
.footer-grid a:hover { color: #7fe0ee; }
.footer-about p { margin-top: 14px; line-height: 1.9; }
.footer-contact li { padding: 5px 0; display: flex; gap: 10px; }
.footer-contact svg { width: 16px; height: 16px; flex: 0 0 auto; margin-top: 6px; color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
}

/* ---------- 子页 Banner ---------- */
.page-banner {
  position: relative;
  padding: 96px 0 88px;
  background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 60%, #1071ae 100%);
  color: #fff;
  overflow: hidden;
}
.page-banner::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(560px 300px at 85% 30%, rgba(22,163,184,.35), transparent 65%);
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { color: #fff; font-size: 36px; }
.page-banner .en { margin-top: 8px; font-size: 13px; letter-spacing: 3px; color: #9fd9e4; text-transform: uppercase; }
.breadcrumb { margin-top: 18px; font-size: 14px; color: rgba(255,255,255,.75); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { margin: 0 8px; color: rgba(255,255,255,.4); }

/* ---------- 内容页通用 ---------- */
.page-main { padding: 72px 0 96px; }
.page-main.narrow { max-width: 960px; margin: 0 auto; }
.page-main h2.sub {
  font-size: 24px;
  margin: 52px 0 22px;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
}
.page-main h2.sub:first-child { margin-top: 0; }
.page-main p { color: var(--text-light); margin-bottom: 14px; }
.page-main p.strong { color: var(--text); font-weight: 500; }

.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 26px 0; }
.info-item {
  background: var(--bg-alt);
  border-radius: 10px;
  padding: 22px 24px;
  border: 1px solid var(--line);
}
.info-item b { color: var(--primary-dark); display: block; margin-bottom: 6px; font-size: 15px; }
.info-item span { color: var(--text-light); font-size: 14px; }

/* 表格 */
.tbl-wrap { overflow-x: auto; margin: 26px 0; border-radius: 10px; border: 1px solid var(--line); }
table.tbl { width: 100%; border-collapse: collapse; font-size: 15px; background: #fff; }
.tbl th {
  background: var(--blue-soft);
  color: var(--primary-dark);
  text-align: left;
  padding: 14px 18px;
  font-weight: 600;
  white-space: nowrap;
}
.tbl td { padding: 14px 18px; border-top: 1px solid var(--line); color: var(--text-light); vertical-align: top; }
.tbl td:first-child { color: var(--text); font-weight: 500; }
.tbl tr:hover td { background: #f8fbfd; }

/* 时间线（发展历程） */
.timeline { position: relative; margin: 40px 0; padding-left: 30px; }
.timeline::before {
  content: "";
  position: absolute; left: 8px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--primary), var(--accent));
}
.tl-item { position: relative; padding: 0 0 36px 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute; left: -30px; top: 7px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.tl-item .year { font-size: 22px; font-weight: 700; color: var(--primary); font-family: Georgia, serif; }
.tl-item h3 { font-size: 17px; margin: 8px 0 6px; }
.tl-item p { color: var(--text-light); font-size: 15px; }

/* 荣誉证书网格 */
.honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.honor-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 28px 24px;
  text-align: center;
  transition: all .3s;
}
.honor-item:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.honor-item .badge {
  width: 58px; height: 58px; margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-soft), var(--accent-soft));
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  font-weight: 700;
  font-size: 20px;
}
.honor-item h3 { font-size: 16px; }
.honor-item p { font-size: 13px; color: var(--text-light); margin-top: 6px; }

/* 新闻筛选 tab */
.filter-tabs { display: flex; gap: 12px; margin-bottom: 36px; flex-wrap: wrap; }
.filter-tabs button {
  padding: 9px 26px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text-light);
  font-size: 15px;
  cursor: pointer;
  transition: all .25s;
}
.filter-tabs button.active, .filter-tabs button:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* 披露 / 下载列表 */
.doc-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 14px;
  transition: all .25s;
}
.doc-list li:hover { box-shadow: var(--shadow); }
.doc-icon {
  width: 44px; height: 44px; flex: 0 0 auto;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}
.doc-list .doc-body { flex: 1; }
.doc-list b { display: block; color: var(--text); font-size: 15px; }
.doc-list small { color: #9aa9b8; }
.doc-list .dl { color: var(--accent); font-size: 14px; white-space: nowrap; }
.doc-list .dl:hover { color: var(--primary); }

/* 章节锚点（招股书） */
.toc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.toc-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 22px;
  transition: all .25s;
}
.toc-item:hover { border-color: var(--accent); background: #fff; box-shadow: var(--shadow); }
.toc-num {
  font-family: Georgia, serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}
.toc-item b { color: var(--primary-dark); display: block; margin-bottom: 4px; }
.toc-item p { font-size: 14px; color: var(--text-light); margin: 0; }

/* 联系页 */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; }
.contact-card {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 22px 24px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 16px;
}
.contact-card .icon {
  width: 46px; height: 46px; flex: 0 0 auto;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.contact-card .icon svg { width: 22px; height: 22px; }
.contact-card b { display: block; color: var(--primary-dark); margin-bottom: 4px; }
.contact-card p, .contact-card a { color: var(--text-light); font-size: 15px; }
.contact-card a:hover { color: var(--primary); }
.map-box {
  margin-top: 18px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--blue-soft), var(--accent-soft));
  height: 230px;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  font-size: 15px;
  letter-spacing: 2px;
}
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 14px; color: var(--text); font-weight: 500; }
.form-field input, .form-field textarea, .form-field select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  background: #fbfdfe;
  outline: none;
  transition: border-color .2s;
  width: 100%;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { border-color: var(--accent); }
.form-note { font-size: 13px; color: #9aa9b8; margin-top: 14px; }

/* 回到顶部 */
.back-top {
  position: fixed;
  right: 26px; bottom: 30px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: 0;
  cursor: pointer;
  font-size: 18px;
  box-shadow: var(--shadow-hover);
  opacity: 0;
  visibility: hidden;
  transition: all .3s;
  z-index: 900;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--accent); }

/* 滚动显现 */
.reveal { opacity: 0; transform: translateY(26px); transition: all .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 图片组件 ---------- */
.visual img.media { width: 100%; height: 100%; object-fit: cover; }
.card-media {
  display: block;
  width: calc(100% + 56px);
  max-width: none;
  margin: -34px -28px 22px;
  height: 160px;
  object-fit: cover;
}
.platform-card .card-media { margin: -40px -28px 22px; }
.page-photo {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius);
  margin: 24px 0 10px;
  box-shadow: var(--shadow);
}

/* ---------- 文章详情 ---------- */
.detail-wrap { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.detail h1 { font-size: 30px; margin-bottom: 8px; }
.detail .meta { color: var(--text-light); font-size: 14px; margin-bottom: 22px; display: flex; gap: 18px; flex-wrap: wrap; border-bottom: 1px solid var(--line); padding-bottom: 16px; }
.detail .content { font-size: 16px; color: var(--text); line-height: 1.9; }
.detail .content img { max-width: 100%; border-radius: 10px; margin: 18px 0; }
.detail .content h2, .detail .content h3 { margin: 28px 0 12px; color: var(--primary-dark); }
.detail .tags { margin-top: 26px; display: flex; gap: 10px; flex-wrap: wrap; }
.detail .tags a { background: var(--accent-soft); color: var(--accent); padding: 5px 14px; border-radius: 999px; font-size: 13px; }
.detail-nav { display: flex; justify-content: space-between; gap: 20px; margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 15px; }
.detail-nav a { color: var(--primary); }
.detail-nav .disabled { color: #9aa9b8; }
.detail-aside h4 { font-size: 16px; margin-bottom: 14px; color: var(--primary-dark); }
.detail-aside .mini { display: block; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 12px; color: var(--text); font-size: 14px; transition: .25s; }
.detail-aside .mini:hover { box-shadow: var(--shadow); border-color: transparent; }
.detail-aside .mini span { display: block; color: var(--text-light); font-size: 12px; margin-top: 4px; }

/* ---------- 搜索结果 ---------- */
.search-bar { display: flex; gap: 12px; max-width: 640px; margin: 0 auto 40px; }
.search-bar input { flex: 1; border: 1px solid var(--line); border-radius: 999px; padding: 13px 22px; font-size: 15px; outline: none; }
.search-bar input:focus { border-color: var(--accent); }
.search-bar button { border: 0; background: var(--primary); color: #fff; border-radius: 999px; padding: 0 30px; cursor: pointer; font-size: 15px; }
.search-item { display: block; padding: 22px 24px; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 16px; background: #fff; transition: .25s; }
.search-item:hover { box-shadow: var(--shadow); border-color: transparent; }
.search-item .st { font-size: 13px; color: var(--accent); margin-bottom: 8px; }
.search-item h3 { font-size: 18px; margin-bottom: 8px; }
.search-item h3 a:hover { color: var(--primary); }
.search-item p { color: var(--text-light); font-size: 14px; }
.search-item .kw { color: var(--primary); font-weight: 600; }
.search-empty { text-align: center; color: var(--text-light); padding: 60px 0; }

/* ---------- 分页 ---------- */
.pager { text-align: center; margin-top: 46px; }
.pager .page-status { display: block; color: var(--text-light); font-size: 14px; margin-bottom: 14px; }
.pager a, .pager .page-num {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 14px; margin: 3px;
  border: 1px solid var(--line); border-radius: 8px;
  color: var(--text-light); font-size: 14px; background: #fff; transition: all .2s;
}
.pager a:hover, .pager .page-num:hover { border-color: var(--primary); color: var(--primary); }
.pager .page-num.page-num-current { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.pager .page-numbar { display: inline; }

/* 详情侧栏卡片 */
.detail-aside .side-box { background: var(--bg-alt); border: 1px solid var(--line); border-radius: 12px; padding: 22px 24px; margin-bottom: 18px; }
.detail-aside .side-box h4 { margin-bottom: 14px; }
.detail-aside .side-box p { color: var(--text-light); font-size: 14px; margin: 5px 0; }
.detail-aside .side-box b { color: var(--primary-dark); }

/* 表单验证码行 */
.code-row { display: flex; gap: 12px; align-items: center; }
.code-row input { flex: 1; }
.code-row .code { width: 124px; height: 46px; border-radius: 8px; border: 1px solid var(--line); cursor: pointer; flex: 0 0 auto; }

/* ---------- 响应式 ---------- */
/* 中等屏幕：公司名与 logo 仍保持一行，适当收敛间距避免挤压导航 */
@media (max-width: 1280px) {
  .logo-cn { font-size: 16px; }
  .main-nav > ul > li > a { padding: 14px 10px; }
  .nav-search-form { width: 150px; }
  .nav-search { margin-left: 8px; }
}

@media (max-width: 1080px) {
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .entry-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 36px; }
  .detail-wrap { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 860px) {
  .topbar .links { display: none; }
  .nav-toggle { display: flex; position: relative; z-index: 1200; }
  .main-nav {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(320px, 84vw);
    background: #fff;
    box-shadow: -12px 0 40px rgba(7,26,43,.18);
    transform: translateX(100%);
    transition: transform .3s ease;
    overflow-y: auto;
    z-index: 1100;
    padding: 64px 0 40px;
  }
  .main-nav.open { transform: none; }
  .main-nav > ul { flex-direction: column; align-items: stretch; }
  .main-nav > ul > li > a { padding: 15px 26px; border-bottom: 1px solid var(--line); justify-content: space-between; }
  .main-nav > ul > li.active::after { display: none; }
  .main-nav > ul > li.active > a { background: var(--blue-soft); }
  .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: 0;
    border-radius: 0;
    background: var(--bg-alt);
    display: none;
    min-width: 0;
  }
  .dropdown::before { display: none; }
  .main-nav li.sub-open > .dropdown { display: block; }
  .main-nav li.sub-open .arrow { transform: rotate(180deg); }
  /* 箭头作为"展开/收起"按钮，放大点击区 */
  .main-nav > ul > li.has-sub > a .arrow {
    margin-left: auto;
    padding: 14px 18px;
    font-size: 13px;
    color: var(--primary);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }

  /* 抽屉里的搜索框改为整行 */
  .nav-search { margin: 14px 20px 6px; }
  .nav-search-form { width: auto; }
  .nav-search-form input { height: 44px; line-height: 42px; font-size: 15px; padding: 0 52px 0 18px; }
  .nav-search-form button { width: 44px; height: 44px; }

  .hero { min-height: 520px; }
  .hero h1 { font-size: 30px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: 0; }
  .stat-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .cards-3, .cards-2, .honor-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .info-grid, .toc-grid, .contact-grid, .form-grid { grid-template-columns: 1fr; }
  .section { padding: 40px 0; }
  .page-banner { padding: 64px 0 56px; }
  .page-banner h1 { font-size: 27px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-inner { flex-direction: column; text-align: center; }
}

/* =========================================================
   移动端性能优化
   ========================================================= */
@media (max-width: 860px) {
  /* 关闭装饰性无限动画，减少合成/重绘开销 */
  .sphere { animation: none !important; }
  .hero::before, .hero::after { animation: none !important; }
  /* 降低大面积阴影与毛玻璃的合成成本 */
  .card, .entry-card, .subcat-card, .news-card, .platform-card, .split .visual { box-shadow: 0 4px 14px rgba(10, 77, 140, .08); }
  .site-header { -webkit-backdrop-filter: none; backdrop-filter: none; }
  /* 移动端不做位移过渡，直接显示 */
  .reveal { transition: none !important; }
  .section { padding: 34px 0; }
  .page-banner { padding: 52px 0 46px; }
}

@media (max-width: 480px) {
  .cards-4, .entry-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-num { font-size: 30px; }
  .subnav { gap: 8px; margin-bottom: 26px; padding-bottom: 20px; }
  .subnav a { padding: 8px 17px; font-size: 14px; letter-spacing: .4px; }
  .subnav-label { width: 100%; margin-right: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  html { scroll-behavior: auto; }
}