/* ================= 诺普达门户网站样式 ================= */
:root {
  --primary: #00b4a0;
  --primary-dark: #0a7c8c;
  --primary-light: #2de3c8;
  --primary-grad: linear-gradient(135deg, #00b4a0, #0a7c8c);
  --ink: #1a3540;
  --muted: #5a6e7a;
  --light: #eef5f6;
  --line: #dfe8ea;
  --line-light: #e8eff1;
  --radius: 14px;
  --shadow: 0 12px 36px rgba(10, 80, 92, .08);
  --dark: #0b1420;
  --header-h: 76px;
}

/* ---------------- 基础 ---------------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink); background: #fff; line-height: 1.7; font-size: 15.5px;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
input, select, textarea { font-family: inherit; font-size: 14.5px; outline: none; }
::selection { background: rgba(0, 180, 160, .25); }

.container { width: 92%; max-width: 1280px; margin: 0 auto; }
.section { padding: 80px 0; }
.section.gray { background: var(--light); }
.section.dark { background: var(--dark); color: #fff; }
.section.tight { padding: 52px 0; }

.kicker {
  display: inline-block; color: var(--primary); font-size: 13px; font-weight: 700;
  letter-spacing: 4px; text-transform: uppercase;
}
.sec-head { text-align: center; margin-bottom: 40px; }
.sec-head h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; letter-spacing: 2px; margin-top: 8px; }
.sec-head p { color: var(--muted); margin-top: 12px; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px; font-size: 15px; font-weight: 600;
  letter-spacing: 1px; transition: .28s; border: 1.5px solid transparent; white-space: nowrap;
}
.btn-primary { background: var(--primary-grad); color: #fff; box-shadow: 0 8px 24px rgba(0, 180, 160, .32); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0, 180, 160, .42); }
.btn-dark { background: var(--dark); color: #fff; }
.btn-dark:hover { background: #14263a; transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255, 255, 255, .55); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); }
.btn-ghost.on-light { border-color: var(--line); color: var(--ink); }
.btn-ghost.on-light:hover { border-color: var(--primary); color: var(--primary); background: rgba(0, 180, 160, .06); }
.btn-white { background: #fff; color: var(--primary-dark); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0, 0, 0, .18); }
.btn-sm { padding: 9px 20px; font-size: 13.5px; }

/* ---------------- 入场动画 ---------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.vis { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------------- 页头（白底，菜单与 logo 同行） ---------------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--header-h);
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(13, 60, 70, .07); transition: height .3s, box-shadow .3s;
}
.site-header.scrolled { height: 64px; box-shadow: 0 6px 24px rgba(11, 40, 52, .09); }
.header-inner { display: flex; align-items: center; gap: 20px; height: 100%; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo svg { width: 44px; height: 44px; }
.logo img.logo-img { height: 54px; width: auto; display: block; object-fit: contain; max-width: 280px; }
.logo-text .cn { font-size: 21px; font-weight: 800; letter-spacing: 2px; color: var(--ink); line-height: 1.2; }
.logo-text.only-cn .cn { font-size: 20px; letter-spacing: 1px; }
.logo-text .en { font-size: 10px; letter-spacing: 3.6px; color: var(--muted); }

.main-nav { display: flex; align-items: center; gap: 2px; flex: 1; justify-content: center; min-width: 0; }
.nav-item { position: relative; }
.main-nav a.nav-link {
  position: relative; display: inline-flex; align-items: center; padding: 10px 14px;
  font-size: 15.5px; color: #33475380; color: #334753; letter-spacing: 1px; white-space: nowrap;
  transition: color .25s;
}
.main-nav a.nav-link::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2.5px; border-radius: 2px;
  background: var(--primary-grad); transform: scaleX(0); transform-origin: left; transition: transform .28s;
}
.main-nav a.nav-link:hover { color: var(--ink); }
.main-nav a.nav-link:hover::after, .main-nav a.nav-link.active::after { transform: scaleX(1); }
.main-nav a.nav-link.active { color: var(--primary-dark); font-weight: 600; }

/* 页头下拉菜单 */
.nav-item .caret {
  display: inline-block; width: 0; height: 0; margin-left: 5px; vertical-align: 2px;
  border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid currentColor;
  opacity: .55; transition: transform .25s;
}
.nav-item:hover .caret { transform: rotate(180deg); }
.dropdown {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, 12px);
  min-width: 220px; max-width: 340px; background: #fff; border: 1px solid var(--line-light);
  border-radius: 10px; box-shadow: 0 18px 44px rgba(10, 40, 50, .16);
  padding: 8px; opacity: 0; visibility: hidden; z-index: 2000;
  transition: opacity .22s, transform .22s, visibility .22s;
}
.dropdown::before {
  content: ""; position: absolute; top: -6px; left: 50%; width: 10px; height: 10px;
  transform: translateX(-50%) rotate(45deg); background: #fff;
  border-left: 1px solid var(--line-light); border-top: 1px solid var(--line-light);
}
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown { opacity: 1; visibility: visible; transform: translate(-50%, 6px); }
.nav-item:last-child .dropdown { left: auto; right: -6px; transform: translate(0, 12px); }
.nav-item:last-child:hover .dropdown, .nav-item:last-child:focus-within .dropdown { transform: translate(0, 6px); }
.nav-item:last-child .dropdown::before { left: auto; right: 24px; transform: rotate(45deg); }
.dropdown a {
  display: block; padding: 9px 14px; border-radius: 7px; font-size: 14px; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: background .18s, color .18s;
}
.dropdown a:hover { background: rgba(0, 180, 160, .09); color: var(--primary-dark); }
.dropdown .dd-loading, .dropdown .dd-empty { display: block; padding: 10px 14px; font-size: 13px; color: var(--muted); }

/* —— 新闻动态下拉：两分类卡片入口样式 —— */
.dd-category-link {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 12px; border-radius: 10px;
  color: inherit; text-decoration: none;
  transition: background .2s, transform .2s, box-shadow .2s;
  min-width: 280px;
}
.dd-category-link + .dd-category-link {
  margin-top: 4px; padding-top: 16px;
  border-top: 1px dashed rgba(0,180,160,.25);
}
.dd-category-link:hover {
  background: linear-gradient(90deg, rgba(0,180,160,.12) 0%, rgba(10,124,140,.08) 100%);
  transform: translateX(2px);
  box-shadow: 0 3px 10px rgba(10,124,140,.10);
}
.dd-cat-icon {
  width: 40px; height: 40px; border-radius: 10px;
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: #fff;
  background: var(--primary-grad);
  box-shadow: 0 4px 12px rgba(10,124,140,.28);
}
.dd-cat-body { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.dd-cat-title {
  font-size: 15px; font-weight: 800; letter-spacing: 1px;
  color: var(--primary-dark); margin-bottom: 3px;
}
.dd-cat-hint {
  font-size: 12px; color: var(--muted); line-height: 1.5;
}
.dd-cat-arrow {
  color: var(--primary); font-weight: 700; font-size: 14px;
  transition: transform .2s;
}
.dd-category-link:hover .dd-cat-arrow { transform: translateX(3px); }

/* 响应式：窄屏下新闻卡片尺寸降级 */
@media (max-width: 960px) {
  .dd-category-link { min-width: 240px; padding: 10px; gap: 10px; }
  .dd-cat-icon { width: 36px; height: 36px; border-radius: 9px; font-size: 18px; }
  .dd-cat-title { font-size: 14px; letter-spacing: .6px; }
  .dd-cat-hint { font-size: 11.5px; }
}
/* 锚点定位避开固定页头 */
.svc-detail, .contact-form-card, .contact-info-card, .map-box,
section[id^="about-"] { scroll-margin-top: calc(var(--header-h) + 22px); }

.header-cta { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 9px; position: relative; }
.nav-toggle span {
  position: absolute; left: 10px; right: 10px; height: 2.4px; border-radius: 2px;
  background: var(--ink); transition: .3s;
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 26px; }
.nav-toggle.open span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

/* ---------------- 首页 Hero 轮播 ---------------- */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  transition: background-image .6s ease; z-index: 0;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(8, 90, 105, .72) 8%, rgba(8, 90, 105, .45) 46%, rgba(8, 90, 105, .22) 100%);
}
.hero .container { position: relative; z-index: 1; }
.hero-text { max-width: 720px; }
.hero-text .hero-kicker {
  display: inline-flex; align-items: center; gap: 8px; color: var(--primary-light);
  font-size: 14px; letter-spacing: 3px; font-weight: 600; margin-bottom: 18px;
}
.hero-text h1 {
  color: #fff; font-size: clamp(34px, 4.6vw, 56px); font-weight: 800;
  line-height: 1.25; letter-spacing: 2px; text-shadow: 0 3px 16px rgba(0, 0, 0, .2);
}
.hero-text h1 em { font-style: normal; color: var(--primary-light); }
.hero-sub { color: rgba(255, 255, 255, .86); font-size: clamp(15px, 1.4vw, 17.5px); margin-top: 22px; max-width: 560px; text-shadow: 0 2px 10px rgba(0, 0, 0, .2); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 38px; }
.hero-dots { position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 2; }
.hero-dots button { width: 30px; height: 4.5px; border-radius: 3px; background: rgba(255, 255, 255, .38); transition: .3s; }
.hero-dots button.on { background: var(--primary-light); width: 44px; }

/* ---------------- 数据统计（亮色，与首页整体协调） ---------------- */
.stats-sec {
  background: linear-gradient(135deg, #e9f7f4 0%, #f3f7f8 55%, #eaf2fb 100%);
  border-top: 1px solid rgba(0, 180, 160, .08);
  border-bottom: 1px solid rgba(0, 180, 160, .08);
  overflow: hidden;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat {
  background: #fff; border: 1px solid rgba(0, 180, 160, .16); border-radius: var(--radius);
  padding: 30px 18px 26px; box-shadow: 0 10px 30px rgba(11, 40, 52, .05);
  transition: transform .3s, box-shadow .3s; position: relative;
}
.stat::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--primary-grad); border-radius: var(--radius) var(--radius) 0 0;
}
.stat:hover { transform: translateY(-5px); box-shadow: 0 16px 36px rgba(0, 180, 160, .12); }
.stat .num {
  font-size: clamp(36px, 4vw, 50px); font-weight: 800; font-family: "DIN Alternate", "Segoe UI", sans-serif;
  color: var(--primary-dark); line-height: 1.1; background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stat .num i { font-style: normal; font-size: .58em; margin-left: 2px; -webkit-text-fill-color: var(--primary); }
.stat .lb { margin-top: 10px; color: var(--muted); font-size: 14.5px; letter-spacing: 1.5px; font-weight: 500; }

/* ---------------- 服务卡片 ---------------- */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.svc-card {
  background: #fff; border: 1px solid var(--line-light); border-radius: var(--radius);
  padding: 34px 26px; transition: .3s; display: block;
}
.svc-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: rgba(0, 180, 160, .35); }
.svc-card .svc-icon {
  width: 56px; height: 56px; border-radius: 15px; background: rgba(0, 180, 160, .1);
  display: flex; align-items: center; justify-content: center; font-size: 27px;
}
.svc-card h3 { font-size: 18px; margin-top: 20px; letter-spacing: 1px; }
.svc-card p { color: var(--muted); font-size: 13.8px; margin-top: 10px; line-height: 1.75; }
.svc-link, .svc-more { display: inline-block; margin-top: 16px; color: var(--primary); font-size: 13.5px; font-weight: 600; letter-spacing: 1px; }
.svc-link i { font-style: normal; display: inline-block; transition: transform .25s; }
.svc-card:hover .svc-link i { transform: translateX(5px); }

/* ---------------- 企业价值观（独立 section：6 短语卡片） ---------------- */
#about-culture .svc-grid { grid-template-columns: repeat(3, 1fr); }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value-card {
  display: flex; align-items: center; gap: 16px;
  padding: 22px 26px; border-radius: 14px;
  background: #fff; border: 1px solid var(--line-light);
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(0,180,160,.35); }
.value-num { font-size: 28px; font-weight: 800; color: var(--primary); opacity: .3; flex-shrink: 0; }
.value-text { font-size: 16px; font-weight: 600; letter-spacing: 1px; color: var(--text); }
@media (max-width: 760px) { .values-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .values-grid { grid-template-columns: 1fr; } }

/* ---------------- 服务详情（紧凑版：流程内嵌步骤条） ---------------- */
.svc-detail { padding: 72px 0; }
.svc-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.svc-detail:nth-child(even) .svc-grid2 { direction: rtl; }
.svc-grid2 > * { direction: ltr; }
.svc-detail .pic { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.svc-detail .pic img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.svc-detail h2 { font-size: clamp(24px, 2.8vw, 32px); font-weight: 800; letter-spacing: 1px; }
.svc-detail .svc-kicker { color: var(--primary); letter-spacing: 4px; font-size: 13.5px; }
.svc-detail p.desc { margin-top: 16px; color: var(--muted); }
/* 服务详情 / 服务特色 / 企业文化：可视化富文本排版 */
.svc-rich { margin-top: 16px; color: #33424d; font-size: 15px; line-height: 1.9; }
.svc-rich p { margin-top: 12px; }
.svc-rich h3 { margin-top: 22px; font-size: 17px; letter-spacing: 1px; padding-left: 11px; border-left: 4px solid var(--primary); }
.svc-rich ul, .svc-rich ol { margin: 12px 0 0; padding-left: 22px; }
.svc-rich li { margin-top: 6px; }
.svc-rich img { max-width: 100%; height: auto; border-radius: 8px; margin: 12px 0; }
.svc-rich a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.svc-rich table { margin-top: 14px; border-collapse: collapse; width: 100%; font-size: 14px; }
.svc-rich th, .svc-rich td { border: 1px solid var(--line-light); padding: 7px 11px; text-align: left; line-height: 1.7; }
.feat-rich { margin-top: 20px; color: var(--ink); font-size: 14.5px; line-height: 1.8; }
.feat-rich p { margin-top: 10px; }
.feat-rich h3 { margin-top: 18px; font-size: 16px; }
.feat-rich ul { margin-top: 4px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; list-style: none; padding-left: 0; }
.feat-rich ul li { position: relative; padding-left: 24px; }
.feat-rich ul li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
.feat-rich ol { margin-top: 10px; padding-left: 22px; }
.feat-rich a { color: var(--primary); }
.culture-rich { margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.culture-rich p { margin-top: 8px; white-space: pre-line; }
.culture-rich ul, .culture-rich ol { margin: 8px 0 0; padding-left: 20px; }
.culture-rich h3 { font-size: 15px; color: var(--ink); margin-top: 12px; }
.feat-list { margin-top: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; }
.feat-list li { position: relative; padding-left: 24px; font-size: 14.5px; color: var(--ink); }
.feat-list li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
.svc-flow { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 16px 26px; border-top: 1px dashed var(--line); padding-top: 24px; margin-top: 8px; }
.svc-flow .fs { display: flex; gap: 10px; align-items: flex-start; flex: 1 1 190px; max-width: 280px; }
.svc-flow .fs i {
  font-style: normal; width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
  background: rgba(0, 180, 160, .1); color: var(--primary); font-weight: 800; font-size: 12.5px;
  display: flex; align-items: center; justify-content: center;
}
.svc-flow .fs b { font-size: 14px; display: block; }
.svc-flow .fs small { display: block; color: var(--muted); font-size: 12px; line-height: 1.55; margin-top: 3px; }

/* ---------------- 案例卡片 ---------------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: #fff; border: 1px solid var(--line-light); border-radius: var(--radius);
  overflow: hidden; transition: .3s; display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.case-cover { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.case-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.case-card:hover .case-cover img { transform: scale(1.06); }
.case-tag {
  position: absolute; top: 14px; left: 14px; background: rgba(0, 180, 160, .92); color: #fff;
  font-size: 12px; padding: 5px 12px; border-radius: 999px; letter-spacing: 1px;
}
.case-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.case-industry { color: var(--primary); font-size: 12.5px; letter-spacing: 1px; }
.case-body h3 { font-size: 17px; margin-top: 8px; line-height: 1.5; }
.case-body p { color: var(--muted); font-size: 13.5px; margin-top: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.case-arrow { margin-top: auto; padding-top: 16px; color: var(--primary); font-size: 13.5px; font-weight: 600; }

/* ---------------- 新闻卡片 ---------------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: #fff; border: 1px solid var(--line-light); border-radius: var(--radius);
  overflow: hidden; transition: .3s; display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.news-cover { aspect-ratio: 16 / 9; overflow: hidden; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-card:hover .news-cover img { transform: scale(1.06); }
.news-body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--muted); }
.news-meta .cat { background: rgba(0, 180, 160, .1); color: var(--primary-dark); padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.news-body h3 { font-size: 16.5px; margin-top: 12px; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body p { color: var(--muted); font-size: 13.5px; margin-top: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------------- 筛选按钮 / 分页 ---------------- */
.filter-bar { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }
.filter-bar button {
  padding: 9px 24px; border-radius: 999px; border: 1.5px solid var(--line);
  color: var(--muted); font-size: 14px; letter-spacing: 1px; transition: .25s; background: #fff;
}
.filter-bar button.on, .filter-bar button:hover { border-color: var(--primary); color: var(--primary); background: rgba(0, 180, 160, .06); }
.pager { display: flex; justify-content: center; align-items: center; gap: 12px; margin-top: 44px; }
.pager .page-btn {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1.5px solid var(--line); background: #fff; color: var(--text);
  font-size: 15px; font-weight: 600; font-family: inherit; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; transition: border-color .25s, color .25s, background .25s, box-shadow .25s;
}
.pager .page-btn:hover { border-color: var(--primary); color: var(--primary); }
.pager .page-btn.on { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(0, 180, 160, .28); }
.pager .page-btn.dis { opacity: .35; cursor: default; }
.pager .page-btn.dis:hover { border-color: var(--line); color: var(--text); }
.pager .page-dots { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; color: var(--muted); font-weight: 600; letter-spacing: 2px; }

/* ---------------- 内页 Hero ---------------- */
.page-hero { position: relative; padding: calc(var(--header-h) + 72px) 0 60px; overflow: hidden; }
.page-hero .bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.page-hero .bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(8, 90, 105, .70), rgba(8, 90, 105, .40)); }
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { color: rgba(255, 255, 255, .65); font-size: 13.5px; letter-spacing: 1px; }
.breadcrumb a { color: rgba(255, 255, 255, .8); }
.breadcrumb a:hover { color: var(--primary-light); }
.breadcrumb i { margin: 0 8px; font-style: normal; }
.page-hero h1 { color: #fff; font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; letter-spacing: 3px; margin-top: 12px; text-shadow: 0 3px 14px rgba(0, 0, 0, .2); }
.page-hero p { color: rgba(255, 255, 255, .82); margin-top: 12px; max-width: 640px; text-shadow: 0 2px 10px rgba(0, 0, 0, .2); }

/* ---------------- 关于我们 ---------------- */
.about-split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }
.about-copy h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; letter-spacing: 2px; margin-top: 8px; }
.about-actions { margin-top: 28px; }
.about-media { position: relative; min-height: 420px; }
.about-media img { border-radius: var(--radius); object-fit: cover; box-shadow: var(--shadow); }
.about-media .m1 { position: absolute; top: 0; right: 0; width: 72%; height: 68%; }
.about-media .m1 img { width: 100%; height: 100%; }
.about-media .m2 { position: absolute; bottom: 0; left: 0; width: 56%; height: 46%; border: 6px solid #fff; }
.about-media .m2 img { width: 100%; height: 100%; }

.mv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.mv-card { background: #fff; border: 1px solid var(--line-light); border-radius: var(--radius); padding: 36px 30px; transition: .3s; }
.mv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.mv-card .num { color: var(--primary); font-weight: 800; font-size: 13px; letter-spacing: 4px; }
.mv-card h3 { font-size: 19px; margin-top: 14px; letter-spacing: 2px; }
.mv-card p { color: var(--muted); margin-top: 12px; font-size: 14.5px; }

/* 发展历程 —— 品牌化左竖排时间线（诺普达蓝绿渐变统一视觉） */
.timeline { position: relative; max-width: 980px; margin: 0 auto; padding-left: 110px; }
.timeline::before {
  content: ""; position: absolute; left: 68px; top: 10px; bottom: 10px; width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--primary-light) 0%, var(--primary) 48%, var(--primary-dark) 100%);
  opacity: .9;
}
.tl-item {
  position: relative; padding: 18px 0 40px 36px;
  animation: tl-in .6s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes tl-in {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}
/* 年份徽章（左侧圆形徽章，对齐时间线轴线） */
.tl-year {
  position: absolute; left: -104px; top: 12px;
  width: 82px; height: 82px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  background: #fff; color: var(--primary-dark); font-weight: 800;
  font-family: "DIN Alternate", "Segoe UI", sans-serif;
  box-shadow: 0 8px 24px rgba(10, 124, 140, .18);
  border: 2px solid var(--primary);
}
.tl-year::before {
  content: ""; position: absolute; inset: 4px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(0,180,160,.12), rgba(10,124,140,.08));
}
.tl-year::after {
  content: "NUOPUDA"; font-size: 8px; letter-spacing: 1.5px; color: var(--primary);
  margin-top: 2px; position: relative; z-index: 1;
}
/* 时间线节点：36×36 渐变节点圆贴在轴上，向右引线到卡片 */
.tl-dot {
  position: absolute; left: -52px; top: 32px;
  width: 36px; height: 36px; border-radius: 50%;
  background: #fff; box-shadow: 0 6px 18px rgba(10, 124, 140, .22); z-index: 2;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--primary);
}
.tl-dot::before {
  content: ""; width: 16px; height: 16px; border-radius: 50%;
  background: var(--primary-grad);
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.08);
}
.tl-dot::after {
  content: ""; position: absolute; left: 34px; top: 50%; height: 2px; width: 18px;
  background: linear-gradient(90deg, var(--primary), rgba(0,180,160,.1));
  transform: translateY(-50%);
}
/* 内容卡片：圆角14px + 4px 渐变左边框 + hover上浮 */
.tl-body {
  background: #fff;
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 22px 26px;
  box-shadow: 0 10px 32px rgba(11, 40, 52, .06);
  transition: transform .28s, box-shadow .28s, border-color .28s;
  position: relative;
  overflow: hidden;
  margin-top: 8px;
}
.tl-body::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--primary-grad);
}
.tl-item:nth-child(even) .tl-body::before {
  background: linear-gradient(180deg, var(--primary-light), var(--primary-dark));
}
.tl-body:hover {
  transform: translateY(-3px);
  border-color: rgba(0,180,160,.35);
  box-shadow: 0 14px 40px rgba(11, 40, 52, .1);
}
.tl-body h4 {
  font-size: 17px; letter-spacing: .5px; margin: 0 0 8px;
  color: #0f303b;
}
.tl-body h4::after {
  content: ""; display: block; width: 44px; height: 3px; border-radius: 3px;
  background: var(--primary-grad); margin-top: 10px;
}
.tl-body p { color: var(--muted); font-size: 14px; margin-top: 6px; line-height: 1.7; }

.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.team-card { background: #fff; border: 1px solid var(--line-light); border-radius: var(--radius); overflow: hidden; text-align: center; transition: .3s; padding-bottom: 22px; }
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.team-card .ava { aspect-ratio: 1; overflow: hidden; }
.team-card .ava img { width: 100%; height: 100%; object-fit: cover; }
.team-card h4 { font-size: 17.5px; margin-top: 18px; letter-spacing: 2px; }
.team-card .pos { color: var(--primary); font-size: 13.5px; margin-top: 4px; letter-spacing: 1px; }
.team-card p { padding: 12px 22px 0; color: var(--muted); font-size: 13.5px; }

/* ---------------- 案例详情 / 文章详情 ---------------- */
.detail-layout { display: grid; grid-template-columns: 1fr 320px; gap: 36px; align-items: start; }
.detail-main { background: #fff; border: 1px solid var(--line-light); border-radius: var(--radius); padding: 44px 48px; }
.cat-row { display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--muted); font-size: 13.5px; }
.cat-row .cat { background: rgba(0, 180, 160, .1); color: var(--primary-dark); padding: 4px 14px; border-radius: 999px; font-weight: 600; }
.detail-main h1 { font-size: clamp(24px, 2.6vw, 32px); line-height: 1.45; margin-top: 18px; }
.detail-cover { margin-top: 24px; border-radius: 12px; overflow: hidden; }
.detail-cover img { width: 100%; max-height: 460px; object-fit: cover; }
.detail-content { margin-top: 26px; color: #33424d; font-size: 15.5px; }
.detail-content p { margin-top: 14px; line-height: 1.95; }
.detail-content h3 { margin-top: 30px; font-size: 19px; letter-spacing: 1px; padding-left: 12px; border-left: 4px solid var(--primary); }
/* 政策法规抓取原文（HTML）排版补充 */
.detail-content img { max-width: 100%; height: auto; border-radius: 8px; margin: 14px 0; }
.detail-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; word-break: break-all; }
.detail-content table { margin-top: 16px; border-collapse: collapse; width: 100%; font-size: 14px; }
.detail-content th, .detail-content td { border: 1px solid var(--line-light); padding: 8px 12px; text-align: left; line-height: 1.7; }
.detail-content th { background: #f2f8f8; font-weight: 600; }
.detail-content .art-src { margin-top: 30px; padding-top: 16px; border-top: 1px dashed var(--line-light); color: var(--muted); font-size: 13.5px; }
.detail-content .art-src a { color: var(--primary); }
.detail-content ul.results { margin-top: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; }
.detail-content ul.results li { position: relative; padding-left: 26px; font-size: 14.5px; }
.detail-content ul.results li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
.detail-meta { color: var(--muted); font-size: 13.5px; }
.side { background: #fff; border: 1px solid var(--line-light); border-radius: var(--radius); padding: 24px; position: sticky; top: calc(var(--header-h) + 20px); }
.side h4 { font-size: 16px; letter-spacing: 1px; padding-bottom: 14px; border-bottom: 1px solid var(--line-light); }
.side a { display: block; padding: 13px 4px; font-size: 14px; color: #33424d; border-bottom: 1px dashed var(--line-light); line-height: 1.6; transition: color .2s; }
.side a:hover { color: var(--primary-dark); }
.side a:last-child { border-bottom: 0; }

/* ---------------- 联系我们 ---------------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 30px; align-items: stretch; }
.contact-form-card, .contact-info-card { border-radius: var(--radius); padding: 40px 42px; }
.contact-form-card { background: #fff; border: 1px solid var(--line-light); box-shadow: 0 10px 34px rgba(11, 40, 52, .06); }
.contact-form-card h3, .contact-info-card h3 { font-size: 20px; letter-spacing: 2px; }
.contact-info-card {
  background: linear-gradient(160deg, #00b4a0 0%, #0a7c8c 100%); color: #fff;
  box-shadow: 0 16px 40px rgba(0, 140, 125, .35); display: flex; flex-direction: column;
}
.contact-info-card h3 { color: #fff; }
.ci-list { margin-top: 22px; display: flex; flex-direction: column; gap: 18px; flex: 1; }
.ci-item { display: flex; gap: 14px; align-items: flex-start; }
.ci-item .ic {
  width: 42px; height: 42px; border-radius: 12px; background: rgba(255, 255, 255, .16);
  display: flex; align-items: center; justify-content: center; font-size: 19px; flex-shrink: 0;
}
.ci-item h5 { font-size: 13.5px; color: rgba(255, 255, 255, .8); letter-spacing: 1px; }
.ci-item p { font-size: 15px; margin-top: 2px; word-break: break-all; }
.ci-item p a:hover { text-decoration: underline; }
/* 联系卡：二维码区域（1 行 2 个客服并排），整体尺寸收紧 */
.qr-block { margin-top: 22px; background: rgba(255, 255, 255, .14); border-radius: 12px; padding: 16px; }
.qr-title { color: #fff; font-size: 15px; letter-spacing: 1px; margin-bottom: 14px; }
.qr-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px;
  max-width: 380px; margin: 0 auto;
}
.qr-card {
  background: transparent; border-radius: 0; padding: 0;
  display: flex; flex-direction: column; align-items: center; text-align: center;
  box-shadow: none; transition: transform .25s;
}
.qr-card:hover { transform: translateY(-2px); }
.qr-card img {
  width: 100%; max-width: 120px; height: auto; aspect-ratio: 1 / 1; object-fit: contain;
  border-radius: 4px; background: transparent;
  border: 0; margin: 0 auto; display: block;
}
.qr-card b {
  color: #fff; font-size: 13px; font-weight: 600;
  margin-top: 6px; display: block; letter-spacing: .5px;
}
/* 「扫码添加微信咨询」客服白字 + 轻微阴影（青绿渐变上更醒目，不影响页脚二维码） */
.qr-block .qr-card b {
  text-shadow: 0 1px 2px rgba(0, 40, 50, .55), 0 0 1px rgba(0, 80, 90, .35);
}
.map-box { margin-top: 30px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line-light); }
.map-box iframe { width: 100%; height: 380px; border: 0; display: block; }

/* ---------------- 表单 ---------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; margin-top: 24px; }
.form-field { display: flex; flex-direction: column; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13.5px; color: #33424d; letter-spacing: 1px; margin-bottom: 7px; }
.form-field label i { color: #e5484d; font-style: normal; margin-left: 2px; font-weight: 700; font-size: 15px; vertical-align: -1px; text-shadow: 0 0 1px rgba(229, 72, 77, .4); }
.form-field input, .form-field select, .form-field textarea {
  border: 1.5px solid var(--line); border-radius: 10px; padding: 11px 14px;
  background: #fbfdfd; transition: border-color .2s, box-shadow .2s; color: var(--ink);
}
.form-field textarea { min-height: 110px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0, 180, 160, .14);
}
.form-field .err { display: none; color: #e5484d; font-size: 12px; margin-top: 5px; }
.form-field.bad input, .form-field.bad textarea { border-color: #e5484d; }
.form-field.bad .err { display: block; }
.form-submit { margin-top: 22px; }
.form-msg { display: block; margin-top: 12px; font-size: 14px; color: var(--primary-dark); min-height: 20px; }
.form-msg.error { color: #e5484d; }

/* ---------------- FAQ ---------------- */
.faq { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--line-light); border-radius: 12px; overflow: hidden; }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 19px 24px; font-weight: 600; font-size: 15.5px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; letter-spacing: .5px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--primary); font-size: 22px; font-weight: 400; transition: transform .25s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-body { padding: 0 24px 20px; color: var(--muted); font-size: 14.5px; line-height: 1.85; }
.faq-rich > :first-child { margin-top: 0; }
.faq-rich > :last-child { margin-bottom: 0; }
.faq-rich p { margin: 0 0 8px; }
.faq-rich h3 { font-size: 15px; color: var(--ink); margin: 14px 0 6px; }
.faq-rich ul, .faq-rich ol { margin: 6px 0 10px; padding-left: 22px; }
.faq-rich li { margin-bottom: 4px; }
.faq-rich img { max-width: 100%; border-radius: 8px; margin: 8px 0; }

/* ---------------- 转化区 ---------------- */
.cta-band { background: var(--primary-grad); color: #fff; padding: 60px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap; }
.cta-inner h2 { font-size: clamp(22px, 2.6vw, 30px); letter-spacing: 2px; }
.cta-inner p { margin-top: 8px; color: rgba(255, 255, 255, .85); }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------------- 页脚 ---------------- */
.site-footer { background: var(--dark); color: rgba(255, 255, 255, .62); font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1.3fr 0.9fr 1.2fr; gap: 48px; padding: 64px 0 48px; }
.f-brand .logo-text .cn { color: #fff; }
.f-brand .logo-text .en { color: rgba(255, 255, 255, .4); }
.f-brand p { margin-top: 16px; line-height: 1.9; font-size: 13.5px; }
.f-title { color: #fff; font-size: 15.5px; letter-spacing: 2px; margin-bottom: 18px; font-weight: 600; }
.f-links a { display: block; padding: 5px 0; transition: color .2s; }
.f-links a:hover { color: var(--primary-light); }
.f-nav-col .f-links { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.f-contact p { padding: 4px 0; line-height: 1.8; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .09); padding: 18px 0; text-align: center; font-size: 13px; color: rgba(255, 255, 255, .42); }


/* 页脚二维码卡片（首页 logo 下）：去掉白底，紧凑缩小 */
.footer-qr{margin-top:22px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:260px;margin-left:0;}
.footer-qr .qr-card{background:transparent;border-radius:0;padding:0;box-shadow:none;}
.footer-qr .qr-card img{width:100%;max-width:100px;height:auto;aspect-ratio:1/1;object-fit:contain;border-radius:4px;border:0;margin:0 auto;display:block;background:transparent;}
.footer-qr .qr-card b{color:rgba(255,255,255,.82);font-size:12.5px;font-weight:500;margin-top:6px;display:block;letter-spacing:.5px;}
/* ---------------- 弹窗 ---------------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(8, 90, 105, .45); z-index: 3000;
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-mask.show { display: flex; }
.modal { background: #fff; border-radius: 16px; padding: 34px 36px; width: 100%; max-width: 620px; position: relative; max-height: 90vh; overflow: auto; }
.modal h3 { font-size: 21px; letter-spacing: 1px; }
.close-x {
  position: absolute; top: 14px; right: 16px; width: 34px; height: 34px; border-radius: 50%;
  background: var(--light); color: var(--muted); font-size: 19px; display: flex; align-items: center; justify-content: center;
}
.close-x:hover { background: var(--line-light); color: var(--ink); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1280px) {
  .main-nav { gap: 0; }
  .main-nav a.nav-link { padding: 10px 9px; font-size: 15px; letter-spacing: .5px; }
  .header-inner { gap: 14px; }
}
@media (max-width: 1080px) {
  .main-nav a.nav-link { padding: 10px 7px; font-size: 13.5px; letter-spacing: 0; }
  .logo svg { width: 40px; height: 40px; }
  .logo img.logo-img { height: 48px; max-width: 240px; }
  .logo-text .cn { font-size: 19px; }
  .svc-grid, .team-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
/* 561-860px：8 个菜单项保持与 logo 同行（压缩页头） */
@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .site-header.scrolled { height: 58px; }
  .header-inner { gap: 8px; }
  .logo svg { width: 34px; height: 34px; }
  .logo img.logo-img { height: 40px; max-width: 200px; }
  .logo-text .cn { font-size: 15px; letter-spacing: .5px; }
  .logo-text.only-cn .cn { font-size: 15px; }
  .logo-text .en { display: none; }
  .main-nav { gap: 0; }
  .main-nav a.nav-link { padding: 8px 4px; font-size: 12px; letter-spacing: 0; }
  .case-grid, .news-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 20px; }
  .mv-grid { grid-template-columns: 1fr; }
  .svc-grid2 { grid-template-columns: 1fr; gap: 30px; }
  .svc-detail:nth-child(even) .svc-grid2 { direction: ltr; }
  .svc-flow .fs { flex: 1 1 100%; max-width: none; }
  /* 新版时间线：≤860px 响应式降级（年份徽章收窄到节点上方，避免横向溢出） */
  .timeline { padding-left: 0; max-width: 100%; }
  .timeline::before { left: 18px; }
  .tl-item { padding: 14px 0 36px 64px; }
  .tl-year {
    left: -18px !important; top: -4px !important;
    width: 44px !important; height: 44px !important;
    font-size: 12px !important; letter-spacing: .5px;
    box-shadow: 0 5px 16px rgba(10,124,140,.14) !important;
  }
  .tl-year::before, .tl-year::after { display: none; }
  .tl-item .tl-dot {
    left: -12px !important; top: 24px !important;
    width: 28px !important; height: 28px !important;
  }
  .tl-item .tl-dot::before { width: 12px; height: 12px; }
  .tl-item .tl-dot::after { width: 12px; }
  .tl-body { padding: 18px 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .detail-layout { grid-template-columns: 1fr; }
  .detail-main { padding: 30px 24px; }
  .detail-content ul.results { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-form-card, .contact-info-card { padding: 30px 24px; }
  .qr-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 360px; }
  .qr-card img { max-width: 150px; }
  .about-split { grid-template-columns: 1fr; gap: 40px; }
  .about-media { min-height: 340px; }
  .section { padding: 64px 0; }
  .hero { min-height: 78vh; }
  .hero-text h1 { font-size: 34px !important; line-height: 1.32 !important; letter-spacing: 0 !important; }
  .page-hero { padding: calc(var(--header-h) + 48px) 0 44px; }
}
/* 1101-1280px：渐进缩小 logo 和导航间距，避免挤行 */
@media (max-width: 1280px) and (min-width: 1101px) {
  .header-inner { gap: 12px; }
  .main-nav { gap: 0; }
  .main-nav a.nav-link { padding: 10px 10px; font-size: 14.5px; letter-spacing: .5px; }
  .logo img.logo-img { height: 46px; max-width: 220px; }
  .logo-text .cn { font-size: 19px; letter-spacing: 1.5px; }
  .logo-text .en { font-size: 9px; letter-spacing: 2.8px; }
}
/* ≤1100px 窄屏：汉堡按钮 + 点击展开大字竖排菜单（参考图样式） */
@media (max-width: 1100px) {
  :root { --header-h: 64px; }
  .site-header, .site-header.scrolled { height: var(--header-h); }
  .header-inner { flex-wrap: nowrap; gap: 8px; height: var(--header-h); padding-top: 0; align-items: center; }
  .logo { height: 44px; }
  .header-cta { margin-left: auto; display: flex; align-items: center; gap: 6px; }
  .header-cta .lang-switch { display: inline-flex; margin-right: 4px; }
  .header-cta .lang-btn { font-size: 16px; font-weight: 700; padding: 6px 7px; }
  .nav-toggle { display: flex; }
  .nav-lang-mobile { display: none !important; }
  /* 下拉菜单面板：从 header 下方全宽展开 */
  .main-nav {
    position: fixed; top: calc(var(--header-h) + env(safe-area-inset-top, 0px)); left: 0; right: 0;
    width: 100%; max-height: calc(100vh - var(--header-h)); overflow-y: auto; -webkit-overflow-scrolling: touch;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; padding: 6px 24px 26px;
    box-shadow: 0 20px 34px rgba(8, 50, 58, .16);
    border-bottom-left-radius: 18px; border-bottom-right-radius: 18px;
    transform: translateY(-14px); opacity: 0; visibility: hidden; pointer-events: none;
    transition: transform .28s ease, opacity .28s ease, visibility .28s;
    z-index: 1001;
  }
  .main-nav.open { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; }
  .main-nav .nav-item { display: block; }
  .main-nav .nav-item > a.nav-link {
    display: flex; align-items: center; justify-content: space-between;
    padding: 17px 2px; font-size: 21px; font-weight: 700; letter-spacing: 1px;
    color: var(--ink); border-bottom: 1px solid var(--line-light); white-space: normal;
  }
  .main-nav a.nav-link::after { display: none; }
  .main-nav .nav-item .caret { display: none; }
  /* 子菜单直接平铺展开（小字缩进） */
  .main-nav .dropdown {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; background: transparent; left: auto; right: auto;
    min-width: 0; max-width: none; width: 100%; padding: 0 0 4px 16px; margin: 0;
  }
  .main-nav .dropdown::before { display: none; }
  .main-nav .dropdown a {
    display: block; font-size: 15.5px; font-weight: 400; letter-spacing: .5px;
    color: var(--muted); padding: 11px 2px; border-bottom: 1px dashed var(--line-light);
  }
  /* 淡遮罩：菜单打开时压住下方内容，点击遮罩关闭菜单 */
  body.nav-open { overflow: hidden; }
  body.nav-open::after {
    content: ""; position: fixed; inset: calc(var(--header-h) + env(safe-area-inset-top, 0px)) 0 0 0;
    background: rgba(6, 50, 58, .22); z-index: 999;
  }
  .svc-grid, .flow-grid, .team-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .qr-grid { grid-template-columns: 1fr; gap: 12px; max-width: 240px; }
  .qr-card img { max-width: 100%; }
  .hero { min-height: 86vh; }
  .hero-actions .btn { flex: 1; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .logo img.logo-img { height: 36px; max-width: 150px; }
}
@media (max-width: 360px) {
  .logo-text .cn { display: none; }
  .nav-toggle { width: 38px; }
  .stats-grid { gap: 30px 12px; }
}

/* ---------------- 安全区适配（刘海屏） ---------------- */
.site-header { padding-top: env(safe-area-inset-top, 0); }
.hero-bg { top: calc(-1 * env(safe-area-inset-top, 0)); height: calc(100% + env(safe-area-inset-top, 0)); }
.footer-bottom { padding-bottom: max(18px, env(safe-area-inset-bottom, 0)); }
.page-hero { padding-top: calc(var(--header-h) + 72px + env(safe-area-inset-top, 0)); }
@media (max-width: 860px) {
  .page-hero { padding-top: calc(var(--header-h) + 48px + env(safe-area-inset-top, 0)); }
}

/* ---------------- 打印 ---------------- */
@media print {
  .site-header, .nav-toggle, .hero-dots, .cta-band, .site-footer, .modal-mask, .filter-bar, .pager, .side { display: none !important; }
  body { color: #000; }
}

/* ================= 语言切换按钮 ================= */
.lang-switch { display: inline-flex; align-items: center; gap: 2px; margin-right: 14px; }
/* 移动端抽屉菜单内的语言切换（桌面端隐藏） */
.nav-lang-mobile { display: none; }
.lang-btn { border: none; background: transparent; color: var(--ink); font-size: 14px; font-weight: 600; padding: 4px 8px; cursor: pointer; border-radius: 6px; transition: all .2s; opacity: .55; }
.lang-btn:hover { opacity: .85; }
.lang-btn.active { background: var(--primary); color: #fff; opacity: 1; }
.lang-sep { color: var(--muted); font-size: 13px; opacity: .5; }
@media (max-width: 860px) {
  .lang-switch { margin-right: 8px; }
  .lang-btn { font-size: 13px; padding: 3px 6px; }
}