/* ============================================================
   USHOW — 福大纺织外贸独立站 全局样式
   风格参考：saludstyle.com（青蓝 teal 系 · 清爽国际化）
   主色 #226D7A · 强调 #22B8D1 · 浅底 #E4F5FA
   ============================================================ */

:root {
  --primary: #226D7A;
  --primary-dark: #185461;
  --accent: #22B8D1;
  --accent-strong: #0E7490; /* 无障碍：小字号强调色，白底对比 5.36:1 */
  --accent-soft: #E4F5FA;
  --cloud: #B0E0E9;
  --ink: #1A2B30;
  --muted: #5A6B70;
  --line: #DCE8EB;
  --bg: #FFFFFF;
  --bg-alt: #F5FAFB;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(34, 109, 122, 0.08);
  --font: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 占位图片 ---------- */
.ph {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--accent-soft);
  color: var(--primary);
  border: 1px dashed var(--accent);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  overflow: hidden;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;   /* 定宽/最小宽度按钮里，文字必须居中而不是挤在左边 */
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all .25s ease;
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }

.btn-light {
  background: #fff;
  color: var(--primary);
}
.btn-light:hover { background: var(--accent-soft); }

/* ---------- 区块通用 ---------- */
.section { padding: 84px 0; }
.section-alt { background: var(--bg-alt); }

.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head .kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
}
.section-head p {
  margin-top: 14px;
  font-size: 16px;
  color: var(--muted);
}
/* 标题与副标按行宽均分，避免末行只剩一个孤词 */
.section-head h2,
.section-head p { text-wrap: balance; }

/* ============================================================
   M1 · 导航
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(135deg, #0E414B 0%, #226D7A 55%, #1E7F8F 100%);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
/* 滚动出首屏后显示白底（桌面+移动端统一，由 JS 切换 .scrolled） */
.nav.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 20px rgba(14,46,53,0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
  transition: color .2s;
}
.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links > li {
  position: relative;
  list-style: none;
}
.nav-links > li > a {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  transition: color .2s;
  white-space: nowrap;
}
.caret { font-size: 11px; opacity: 0.7; }
.nav-links a:hover { color: var(--accent); }
.nav-links a.active { color: var(--accent); }

/* 下拉菜单 */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 16px 40px rgba(14,46,53,0.16);
  padding: 10px 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all .25s ease;
  z-index: 200;
}
.dropdown li { list-style: none; }
.dropdown a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink) !important;
  transition: all .2s;
}
.dropdown a:hover {
  background: var(--accent-soft);
  color: var(--primary) !important;
  padding-left: 26px;
}
.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 滚动后（白底）文字切回深色 */
.nav.scrolled .nav-links > li > a { color: var(--ink); }
.nav.scrolled .lang-switch { color: var(--muted); }
.nav.scrolled .logo { color: var(--primary); }
.nav.scrolled .logo span { color: var(--accent); }
.nav.scrolled .nav-links > li > a:hover { color: var(--primary); }
.nav.scrolled .nav-links a.active { color: var(--primary); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.lang-switch {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  transition: color .2s;
}

/* ============================================================
   M2 · Hero 大屏
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 560px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0E414B 0%, #226D7A 55%, #1E7F8F 100%);
  color: #fff;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14,65,75,0.92) 0%, rgba(34,109,122,0.78) 55%, rgba(30,127,143,0.62) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding: 40px 0;
}
.hero .kicker {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  color: var(--cloud);
  margin-bottom: 10px;
}
.hero h1 {
  font-size: 54px;
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.8px;
  margin-bottom: 16px;
}
.hero h1 em { font-style: normal; color: var(--cloud); }
.hero-brand {
  display: flex;
  align-items: center;
  font-size: 40px;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1;
  color: #fff;
  margin-bottom: 9px;
}
.hero-brand span {
  margin: 0 12px;
  font-weight: 300;
  color: rgba(255,255,255,0.42);
}
.hero-brand em {
  font-style: normal;
  color: var(--cloud);
}
.hero p {
  font-size: 18px;
  line-height: 1.52;
  letter-spacing: -0.1px;
  color: rgba(255,255,255,0.86);
  max-width: 560px;
  margin-bottom: 24px;
}
.hero p strong {
  font-weight: 700;
  color: #fff;
}
.hero-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 30px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.9px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.82);
}
.hero-tags-bar {
  display: inline-block;
  width: 76px;
  height: 1px;
  background: rgba(255,255,255,0.55);
}
.hero-tags i {
  font-style: normal;
  font-weight: 400;
  color: rgba(255,255,255,0.4);
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

/* ============================================================
   M3 · 产品介绍
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .3s ease;
  box-shadow: var(--shadow);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(34,109,122,0.16);
}
.product-card .ph { height: 220px; border-radius: 0; border: none; }
.product-body { padding: 22px; }
.product-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.product-spec {
  font-size: 14px;
  color: var(--accent-strong);
  font-weight: 600;
  margin-bottom: 10px;
}
.product-body p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 16px;
}
.product-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--primary);
}
.tag.stock { background: #EAF3DE; color: #3B6D11; }

.products-more { text-align: center; margin-top: 44px; }

/* ============================================================
   M4 · 公司简介
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-grid .ph { height: 420px; }
.about-text .kicker {
  display: block;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 0.8px;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 16px;
}
.about-text h2 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 18px;
}
.about-text p { color: var(--muted); font-size: 16px; margin-bottom: 16px; }
.about-lead {
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
  margin-bottom: 24px;
}

/* ---------- M4b · 内容块 ---------- */
.about-blocks {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 780px;
  margin: 0 auto;
  gap: 24px;
}
.about-block {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 34px 32px;
}
.about-block .kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 10px;
}
.about-block h3 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 12px;
}
.about-block p {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--muted);
}
.about-points { list-style: none; margin: 24px 0 32px; }
.about-points li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 14px;
  font-size: 15px;
  color: var(--ink);
}
.about-points li::before {
  content: "";
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--accent-soft);
  background-image: radial-gradient(circle, var(--accent) 4px, transparent 5px);
}

/* ============================================================
   M5 · 展会（主图 + 胶片带）
   ============================================================ */
#expo {
  scroll-margin-top: 72px;
  background: var(--accent-soft);
}

.expo-stage {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 40px;
  align-items: stretch;
}

.expo-frame {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 600px;
  background: var(--bg);
  border-radius: 16px;
  overflow: hidden;
  transition: opacity .18s ease;
}
.expo-frame.is-loading { opacity: .5; }
.expo-frame > img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  border-radius: 12px;
}

.expo-nav {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: flex;
  gap: 8px;
}
.expo-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255,255,255,.92);
  color: var(--primary);
  font-size: 19px;
  line-height: 1;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.expo-btn:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.expo-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.expo-meta {
  order: -1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.expo-index {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin-bottom: 28px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.expo-index b {
  font-size: 56px;
  font-weight: 800;
  line-height: .82;
  letter-spacing: -3px;
  color: var(--primary);
}
.expo-jump {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.expo-jump-label {
  display: block;
  margin-bottom: 13px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
}
.expo-jump-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.expo-jump-list button {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.expo-jump-list button.is-on { border-color: var(--primary); background: var(--primary); color: #fff; }
.expo-jump-list button:hover { border-color: var(--primary-dark); background: var(--primary-dark); color: #fff; }
.expo-jump-list button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.expo-meta-year {
  margin-bottom: 10px;
  font-size: 32px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1px;
  color: var(--ink);
}
.expo-meta-caption {
  max-width: 100%;
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
}
.expo-link {
  display: block;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-strong);
  text-decoration: none;
}
.expo-link:hover { text-decoration: underline; }

.expo-rail {
  display: grid;
  grid-template-columns: repeat(13, minmax(0, 1fr));
  gap: 8px;
  margin-top: 22px;
}
.expo-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  padding: 0;
  border: 0;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-alt);
  cursor: pointer;
}
.expo-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .55;
  transition: opacity .22s ease, transform .5s cubic-bezier(.2,.8,.2,1);
}
.expo-thumb:hover img { opacity: .85; transform: scale(1.04); }
.expo-thumb.is-active img { opacity: 1; }
.expo-thumb.is-active { box-shadow: 0 0 0 2px var(--primary); }
.expo-thumb:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ============================================================
   M5b · 企业动态（显眼横幅）
   ============================================================ */
.news {
  padding: 96px 0;
  background: linear-gradient(135deg, #0E414B 0%, #226D7A 60%, #1E7F8F 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.news::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -120px;
  top: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34,184,209,0.35), transparent 65%);
}
.news-head {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
  position: relative;
  z-index: 1;
}
.news-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #0E414B;
  background: var(--accent);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
  animation: pulse-badge 2s ease-in-out infinite;
}
@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,184,209,0.5); }
  50% { box-shadow: 0 0 0 10px rgba(34,184,209,0); }
}
.news-head-left h2 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.news-head-left p {
  color: rgba(255,255,255,0.82);
  font-size: 16px;
  max-width: 420px;
  margin-bottom: 28px;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-item {
  display: block;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.16);
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  padding: 22px 26px;
  transition: all .3s ease;
}
.news-item:hover {
  background: rgba(255,255,255,0.12);
  border-left-color: #fff;
  transform: translateX(6px);
}
.news-date {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--cloud);
  margin-bottom: 8px;
}
.news-date b { color: #fff; }
.news-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}
.news-item p {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 10px;
}
.news-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

/* ============================================================
   M6 · 背书 / 资质（后续区块）
   ============================================================ */
.cred-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cred-card {
  text-align: center;
  padding: 32px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.cred-ico {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 16px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}
.cred-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.cred-card p { font-size: 13px; color: var(--muted); }

/* ============================================================
   M7 · 询盘 CTA
   ============================================================ */
.cta-band {
  background: linear-gradient(135deg, #0E414B 0%, #226D7A 100%);
  color: #fff;
  border-radius: 20px;
  padding: 64px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-band h2 { font-size: 32px; font-weight: 800; margin-bottom: 10px; }
.cta-band p { color: rgba(255,255,255,0.82); font-size: 16px; }

/* ============================================================
   M7 · 留资（表单 + 表单下方的直连方式）
   ============================================================ */
.contact-stack {
  max-width: 720px;
  margin: 0 auto;
}
.contact-stack .inquiry-card { max-width: none; margin: 0; }

/* 直连方式挂在表单卡内部底部：访客填到一半不想填，这里还有路可走 */
.contact-direct {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.contact-aside-title {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-direct-link {
  display: inline-block;
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  overflow-wrap: anywhere;
  cursor: default;
}

.contact-direct-addr {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: #0E2E35;
  color: rgba(255,255,255,0.72);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-brand { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.footer p, .footer li { font-size: 14px; margin-bottom: 10px; }
.footer ul { list-style: none; }
.footer a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 960px) {
  .products-grid, .cred-grid { grid-template-columns: repeat(2, 1fr); }
  .expo-stage { grid-template-columns: 1fr; gap: 22px; }
  .expo-frame { height: 430px; }
  .expo-meta { order: 0; flex-direction: row; flex-wrap: wrap; align-items: baseline; justify-content: flex-start; gap: 2px 14px; }
  .expo-jump { display: none; }
  .expo-index { margin-bottom: 0; }
  .expo-index b { font-size: 32px; }
  .expo-meta-year { margin-bottom: 0; font-size: 20px; }
  .expo-meta-caption { flex: 1 1 100%; max-width: none; }
  .expo-link { flex: 1 1 100%; margin-top: 0; padding-top: 12px; border-top: 0; }
  .expo-rail {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 76px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }
  .expo-rail::-webkit-scrollbar { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .news-head { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 36px; max-width: 520px; }
  .hero-brand { font-size: 32px; }
  .hero-tags { gap: 14px; letter-spacing: 1.8px; }
  .about-blocks { grid-template-columns: 1fr; gap: 24px; }
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .products-grid, .cred-grid { grid-template-columns: 1fr; }
  .expo-frame { height: 300px; border-radius: 12px; }
  .expo-btn { width: 36px; height: 36px; font-size: 16px; }
  .expo-nav { right: 12px; bottom: 12px; gap: 6px; }
  .expo-index b { font-size: 26px; }
  .expo-meta-year { font-size: 16px; }
  .expo-rail { grid-auto-columns: 62px; gap: 6px; margin-top: 18px; }
  .contact-direct-link { font-size: 16px; }
  /* 手机端整体缩排：hero 与板块标题字号/间距收小，kicker 收窄字距防止超出屏幕 */
  .section { padding: 44px 0; }
  .section-head { margin-bottom: 34px; }
  .section-head .kicker { font-size: 11px; letter-spacing: 1.5px; }
  .section-head h2 { font-size: 26px; }
  .section-head p { font-size: 14px; margin-top: 10px; }
  .hero-inner { padding: 28px 0; }
  .hero .kicker { font-size: 11px; letter-spacing: 1.2px; }
  .hero h1 { font-size: 27px; letter-spacing: -0.4px; }
  .hero p { font-size: 15px; margin-bottom: 20px; }
  .hero-brand { font-size: 22px; margin-bottom: 10px; }
  .hero-brand span { margin: 0 8px; }
  .hero-tags { gap: 8px; font-size: 10px; letter-spacing: 1px; margin-bottom: 24px; }
  .hero-tags-bar { width: 30px; }
  .hero-ctas { gap: 10px; }
  .hero-ctas .btn { padding: 11px 20px; font-size: 14px; }
  .btn { padding: 12px 22px; font-size: 14px; }
}

/* ---------- About 轮播（2026-11-04 实拍图替换占位） ---------- */
.about-media {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius, 16px);
  overflow: hidden;
  background: var(--accent-soft);
}
.about-media > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.7s ease;
}
.about-media > img.on { opacity: 1; }
.about-dots {
  position: absolute;
  left: 0; right: 0; bottom: 12px;
  display: flex;
  justify-content: center;
  gap: 8px;
  z-index: 2;
}
.about-dots button {
  width: 8px; height: 8px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  transition: background 0.3s, width 0.3s;
}
.about-dots button.on { background: #fff; width: 20px; }