/* ============================================
   湖南汇洁供应链管理有限公司
   企业官网风格 · 蓝色工业风 · 品牌绿 logo 点缀
   ============================================ */

:root {
  --primary: #1d5fa8;
  --primary-dark: #164a84;
  --primary-light: #e8f1fb;
  --accent: #e8551f;
  --accent-dark: #d0440f;
  --text: #333333;
  --text-light: #666666;
  --text-muted: #999999;
  --bg: #ffffff;
  --bg-gray: #f5f7fa;
  --bg-dark: #1b3a5c;
  --border: #e5e8ec;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 15px;
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============ 顶栏（顶部联系条） ============ */
.top-bar {
  background: var(--bg-dark);
  color: #cfe0f0;
  font-size: 13px;
  padding: 7px 0;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 18px;
}

.top-bar-left a {
  color: #cfe0f0;
  transition: color 0.2s;
}

.top-bar-left a:hover {
  color: #fff;
}

.top-bar-left .icon {
  margin-right: 5px;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
}

.lang-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #cfe0f0;
  padding: 2px 10px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
  font-family: var(--font);
}

.lang-btn:hover {
  border-color: #fff;
  color: #fff;
}

.lang-btn.active {
  background: #fff;
  color: var(--primary-dark);
  border-color: #fff;
  font-weight: 600;
}

/* ============ 主头部 ============ */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  min-width: 0;
}

.logo-name {
  font-size: 15px;
  font-weight: 800;
  color: #1c7a37;
  letter-spacing: 0;
  white-space: nowrap;
}

.logo-sub {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.6px;
  white-space: nowrap;
}

/* 页脚品牌 logo（深蓝底上用白色徽章托底） */
.footer-brand .footer-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  background: #fff;
  border-radius: 10px;
  padding: 5px;
  margin-bottom: 18px;
  display: block;
  box-sizing: border-box;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav a {
  padding: 10px 18px;
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
  border-radius: 4px;
  transition: all 0.2s;
  position: relative;
}

.main-nav a:hover {
  color: var(--primary);
}

.main-nav a.active {
  color: var(--primary);
  font-weight: 700;
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 22px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  border: none;
  font-family: var(--font);
  line-height: 1.4;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-accent:hover {
  background: var(--accent-dark);
}

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

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

.btn-lg {
  padding: 14px 30px;
  font-size: 16px;
}

/* 移动端菜单按钮 */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ============ Hero 横幅 ============ */
.hero {
  position: relative;
  background: linear-gradient(120deg, #0f2d4d 0%, #1d5fa8 55%, #2f7cc2 100%);
  color: #fff;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.06) 0%, transparent 45%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
  padding-top: 80px;
  padding-bottom: 90px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 13px;
  margin-bottom: 22px;
  letter-spacing: 1px;
}

.hero h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  max-width: 720px;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 16px;
  line-height: 1.8;
  max-width: 680px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 26px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-bottom: 34px;
}

.hero-points li {
  list-style: none;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-points li::before {
  content: "✓";
  color: #7ee0a3;
  font-weight: 700;
  font-size: 16px;
}

.hero-points .hl {
  color: #7ee0a3;
  font-weight: 700;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero .btn-primary {
  background: #fff;
  color: var(--primary-dark);
}

.hero .btn-primary:hover {
  background: #f0f5fb;
}

.hero .btn-accent {
  background: var(--accent);
  color: #fff;
}

/* 数据统计条 */
.hero-stats {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 30px;
}

.stat-item {
  text-align: center;
  padding: 0 16px;
}

.stat-item + .stat-item {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-value {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
}

.stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 4px;
}

/* ============ 通用区块 ============ */
.section {
  padding: 70px 0;
}

.section-gray {
  background: var(--bg-gray);
}

.section-head {
  text-align: center;
  margin-bottom: 46px;
}

.section-kicker {
  display: inline-block;
  font-size: 13px;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
}

.section-sub {
  font-size: 15px;
  color: var(--text-light);
  max-width: 720px;
  margin: 0 auto;
}

/* ============ 产品网格 ============ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s;
  box-shadow: var(--shadow);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.product-card-img {
  position: relative;
  display: block;
  height: 220px;
  overflow: hidden;
  background: #f0f2f5;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.product-card:hover .product-card-img img {
  transform: scale(1.05);
}

.product-card-body {
  padding: 22px;
}

.product-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.product-card-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  display: inline-block;
  font-size: 12px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 500;
}

/* ============ 应用领域 ============ */
.app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.app-item {
  display: block;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: all 0.3s;
}

.app-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.app-item:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; }

.app-thumb {
  display: block;
  position: relative;
  overflow: hidden;
  background: #eef1f5;
}

.app-thumb > img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.35s;
}

.app-item:hover .app-thumb > img { transform: scale(1.06); }
.app-thumb .brand-stamp { width: 92px; top: 6px; left: 6px; padding: 2px; }

.app-name {
  display: block;
  padding: 14px 16px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.app-more {
  display: block;
  padding: 6px 16px 16px;
  font-size: 12px;
  font-weight: 500;
  color: var(--primary);
}

.app-more i { display: inline-block; font-style: normal; transition: transform 0.25s; }
.app-item:hover .app-more i { transform: translateX(4px); }

.app-item--all {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px 16px;
  background: linear-gradient(150deg, #f4f8ff, #e8f1ff);
  border-style: dashed;
}

.app-item--all .app-name,
.app-item--all .app-more { padding-left: 0; padding-right: 0; }

.app-all-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  background: #fff;
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: var(--shadow);
}

.app-all-sub {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============ 优势 ============ */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.adv-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: all 0.3s;
}

.adv-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.adv-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 14px;
}

.adv-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.adv-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ============ 认证 ============ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.cert-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
}

.cert-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.cert-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.cert-card p {
  font-size: 13px;
  color: var(--text-light);
}

/* ============ 关于我们（首页节选） ============ */
.about-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-text h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text);
}

.about-text p {
  color: var(--text-light);
  margin-bottom: 14px;
  line-height: 1.8;
}

.about-checklist {
  list-style: none;
  margin: 20px 0 26px;
}

.about-checklist li {
  padding: 6px 0;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
}

.about-checklist li::before {
  content: "✓";
  color: #2f9e5a;
  font-weight: 700;
}

/* ============ 联系 CTA ============ */
.cta-section {
  background: linear-gradient(120deg, var(--primary-dark), var(--primary));
  color: #fff;
  text-align: center;
  padding: 60px 0;
}

.cta-section h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn-primary {
  background: #fff;
  color: var(--primary-dark);
}

.cta-section .btn-primary:hover {
  background: #f0f5fb;
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--bg-dark);
  color: #cfe0f0;
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col p {
  font-size: 13px;
  line-height: 1.8;
  color: #b8cbe0;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: #b8cbe0;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-col ul li a:hover {
  color: #fff;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 13px;
  color: #b8cbe0;
  line-height: 1.6;
}

.footer-contact .ficon {
  flex-shrink: 0;
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: #8aa3bd;
}

/* ============ 悬浮 WhatsApp ============ */
.float-wa {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: transform 0.3s;
}

.float-wa:hover {
  transform: scale(1.1);
}

.float-wa svg {
  width: 30px;
  height: 30px;
  fill: #fff;
}

/* ============ 页头（内页） ============ */
.page-banner {
  background: linear-gradient(120deg, #0f2d4d, #1d5fa8);
  color: #fff;
  padding: 60px 0;
  text-align: center;
}

.page-banner h1 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 10px;
}

.page-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
}

/* ============ 询盘表单 ============ */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.contact-info-card {
  background: var(--bg-gray);
  border-radius: var(--radius);
  padding: 32px;
}

.contact-info-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}

.contact-info-list {
  list-style: none;
}

.contact-info-list li {
  display: flex;
  gap: 14px;
  margin-bottom: 18px;
  align-items: flex-start;
}

.contact-info-list .cicon {
  width: 40px;
  height: 40px;
  background: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: var(--shadow);
}

.contact-info-list .clabel {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-info-list .cvalue {
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
  word-break: break-all;
}

.inquiry-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: var(--font);
  transition: border-color 0.2s;
  color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(29, 95, 168, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 12px;
}

.form-success {
  display: none;
  background: #e8f7ee;
  color: #1d7a3d;
  border: 1px solid #b7e4c7;
  padding: 14px;
  border-radius: 6px;
  margin-top: 16px;
  font-size: 14px;
}

/* ============ 产品详情图库 ============ */
.product-detail {
  margin-bottom: 48px;
}

.product-detail-head {
  margin-bottom: 20px;
}

.product-detail-head h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.product-detail-head p {
  font-size: 14px;
  color: var(--text-light);
  max-width: 800px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.gallery-item {
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #f0f2f5;
}

.gallery-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s;
}

.gallery-item:hover img {
  transform: scale(1.04);
}

/* ============ 第二轮扩充：新品实拍 / 生产实景 / 灯箱 ============ */
.featured-section {
  background: linear-gradient(180deg, #eef5fd 0%, #ffffff 100%);
}

.featured-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.featured-item {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
  transition: box-shadow 0.25s, transform 0.25s;
}

.featured-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.featured-item > img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  cursor: zoom-in;
  transition: transform 0.3s;
}

.featured-item:hover > img { transform: scale(1.05); }

.factory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.factory-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #f0f2f5;
  box-shadow: var(--shadow);
}

.factory-item img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  cursor: zoom-in;
  transition: transform 0.3s;
}

.factory-item:hover img { transform: scale(1.04); }

.gallery-count {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 600;
}

.gallery-hint {
  text-align: center;
  margin-top: 22px;
  font-size: 13px;
  color: var(--text-muted);
}

.gallery-item img { cursor: zoom-in; }

.img-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 22, 38, 0.88);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s;
}

.img-lightbox.open { opacity: 1; pointer-events: auto; }

.img-lightbox img {
  max-width: 90vw;
  max-height: 86vh;
  object-fit: contain;
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
  position: absolute;
  top: 22px;
  right: 34px;
  color: #fff;
  font-size: 42px;
  line-height: 1;
  cursor: pointer;
  opacity: 0.85;
}

.lightbox-close:hover { opacity: 1; }

/* ============ 走进汇洁：办公区实景 / 企业信息 ============ */
.facility-figure {
  max-width: 1100px;
  margin: 0 auto 40px;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-hover);
}

.facility-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.facility-figure figcaption {
  padding: 12px 18px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  background: #fff;
  border-top: 1px solid var(--border);
}

.intro-text {
  max-width: 960px;
  margin: 0 auto 52px;
}

.intro-text p {
  color: var(--text-light);
  font-size: 15.5px;
  line-height: 1.95;
  margin-bottom: 18px;
}

.intro-text p:last-child { margin-bottom: 0; }

.facts-block {
  max-width: 1000px;
  margin: 0 auto;
}

.facts-block h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-dark);
  text-align: center;
  margin-bottom: 8px;
}

.facts-sub {
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 26px;
}

.facts-table {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}

.fact-row {
  display: grid;
  grid-template-columns: 300px 1fr;
  border-bottom: 1px solid var(--border);
}

.fact-row:last-child { border-bottom: none; }

.fact-k {
  padding: 14px 20px;
  background: var(--bg-gray);
  font-weight: 700;
  font-size: 14px;
  color: var(--primary-dark);
  border-right: 1px solid var(--border);
}

.fact-v {
  padding: 14px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  word-break: break-word;
}

@media (max-width: 768px) {
  .fact-row { grid-template-columns: 1fr; }
  .fact-k { border-right: none; padding: 10px 16px 4px; background: #fff; }
  .fact-v { padding: 2px 16px 12px; }
  .intro-text p { font-size: 14.5px; line-height: 1.85; }
  .facility-figure { margin-bottom: 28px; }
  .intro-text { margin-bottom: 36px; }
}

/* ============ 响应式 ============ */
@media (max-width: 992px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .app-grid { grid-template-columns: repeat(3, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .about-wrap { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .featured-strip { grid-template-columns: repeat(3, 1fr); }
  .factory-grid { grid-template-columns: repeat(3, 1fr); }
  .hero h1 { font-size: 32px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .logo-name { font-size: 13px; }
  .logo-sub { font-size: 10px; }
  .main-nav a { padding: 10px 12px; font-size: 14px; }
}

@media (max-width: 768px) {
  .mobile-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .header-cta { display: none; }
  .logo-img { width: 44px; height: 44px; }
  .logo-name { font-size: 12px; white-space: normal; line-height: 1.3; }
  .logo-sub { display: none; }
  .footer-brand .footer-logo { width: 54px; height: 54px; }
  .top-bar-left span.top-source { display: none; }
  .product-grid { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-strip { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .factory-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .hero .container { padding-top: 56px; padding-bottom: 64px; }
  .hero h1 { font-size: 28px; }
  .section { padding: 50px 0; }
  .section-title { font-size: 26px; }
}

/* ============ 产品分类中心：下拉导航 / 总览 / 详情页 ============ */

/* 主导航「产品世界」下拉分类 */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 236px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 0 0 8px 8px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.14);
  padding: 8px 0;
  display: none;
  z-index: 200;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
  display: block;
  padding: 9px 18px;
  font-size: 14px;
  color: var(--text);
  white-space: nowrap;
  border-radius: 0;
  font-weight: 400;
}
.nav-dropdown-menu a:hover { background: var(--primary-light); color: var(--primary); }
.nav-dropdown-menu a::after { display: none; }
.nav-dropdown-menu .nav-cat-all {
  border-top: 1px solid var(--border);
  margin-top: 6px;
  padding-top: 12px;
  color: var(--primary);
  font-weight: 700;
}

/* 面包屑 */
.breadcrumb {
  background: var(--bg-gray);
  border-bottom: 1px solid var(--border);
  padding: 11px 0;
  font-size: 13px;
  color: var(--text-light);
}
.breadcrumb a:hover { color: var(--primary); }
.crumb-sep { margin: 0 8px; color: var(--text-muted); }

/* 图片左上角自有品牌角标（logo + 中英文公司全称） */
.brand-stamp {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  width: 180px;
  max-width: 72%;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 3px;
  padding: 3px 5px;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.09);
  pointer-events: none;
}
.brand-stamp img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  cursor: default;
  display: block;
}

/* 产品页：分类总览卡片 */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}
.category-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: #b9d3ef;
}
.category-card-img {
  position: relative;
  display: block;
  height: 190px;
  background: #f0f2f5;
  overflow: hidden;
}
.category-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.category-card:hover .category-card-img img { transform: scale(1.05); }
.category-card-body {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.category-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.category-card-desc {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.65;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.category-card-foot {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
}
.category-card-count { color: var(--text-muted); }
.category-card-link { color: var(--primary); font-weight: 600; white-space: nowrap; }

/* 分类详情页：左侧分类栏 + 右侧图库 */
.cat-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}
.cat-sidebar {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding-bottom: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.cat-sidebar h3 {
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  padding: 13px 20px;
  margin-bottom: 8px;
}
.cat-sidebar nav a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--text-light);
  border-bottom: 1px solid #f0f2f5;
  transition: all 0.2s;
}
.cat-sidebar nav a:last-child { border-bottom: none; }
.cat-sidebar nav a:hover { color: var(--primary); background: var(--primary-light); }
.cat-sidebar nav a.active {
  color: var(--primary);
  font-weight: 700;
  background: var(--primary-light);
  border-left: 3px solid var(--primary);
  padding-left: 17px;
}
.cat-sidebar .cat-back {
  display: block;
  margin: 16px 20px 0;
  padding: 9px;
  font-size: 13px;
  color: var(--primary);
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.cat-sidebar .cat-back:hover { background: var(--primary-light); }

.cat-head h1 {
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
}
.cat-head p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  max-width: 820px;
}
.cat-series-block { margin-top: 18px; }
.cat-series-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}
.cat-series { display: flex; flex-wrap: wrap; gap: 8px; }
.cat-series span {
  font-size: 13px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 5px 12px;
  border-radius: 20px;
}
.cat-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 26px 0 16px;
  padding: 10px 14px;
  background: var(--bg-gray);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-light);
}
.cat-meta strong { color: var(--primary); font-size: 14px; }

.cat-photo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.cat-photo {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.25s;
}
.cat-photo:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.cat-photo-img {
  position: relative;
  aspect-ratio: 1 / 1;
  background: #f0f2f5;
  overflow: hidden;
}
.cat-photo-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s;
  cursor: zoom-in;
}
.cat-photo:hover .cat-photo-img img { transform: scale(1.04); }
.cat-photo figcaption {
  padding: 9px 10px;
  font-size: 13px;
  color: var(--text-light);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 992px) {
  .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cat-layout { grid-template-columns: 200px minmax(0, 1fr); gap: 22px; }
  .cat-photo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .nav-dropdown-menu {
    position: static;
    display: block;
    min-width: 0;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--primary-light);
    border-radius: 0;
    padding: 0 0 4px 12px;
  }
  .nav-dropdown-menu a {
    padding: 9px 0;
    font-size: 13px;
    white-space: normal;
    border-bottom: none;
  }
  .nav-dropdown > a { border-bottom: none; }
  .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .category-card-img { height: 140px; }
  .category-card-body { padding: 14px; }
  .category-card-title { font-size: 15px; }
  .cat-layout { grid-template-columns: 1fr; gap: 20px; }
  .cat-sidebar nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    padding: 10px;
  }
  .cat-sidebar nav a {
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 10px;
    font-size: 12.5px;
    text-align: center;
  }
  .cat-sidebar nav a.active { padding-left: 10px; border-left: 1px solid var(--border); }
  .cat-sidebar .cat-back { margin: 4px 10px 0; }
  .cat-head h1 { font-size: 24px; }
  .cat-photo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .cat-meta { flex-direction: column; align-items: flex-start; gap: 4px; }
  .brand-stamp { width: 120px; top: 6px; left: 6px; padding: 2px 3px; }
}

/* 顶栏语言按钮在窄屏下不折行 */
.lang-btn { white-space: nowrap; }

/* ============ 实景相册（办公环境与生产协同） ============ */
.album-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 0 0 30px;
}
.album-tab {
  padding: 9px 20px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.album-tab:hover { border-color: var(--primary); color: var(--primary); }
.album-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.album-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.album-item {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}
.album-photo { position: relative; overflow: hidden; }
.album-photo > img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  cursor: zoom-in;
  transition: transform 0.3s;
}
.album-item:hover .album-photo > img { transform: scale(1.04); }
.album-item figcaption {
  padding: 11px 12px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}
.album-note {
  max-width: 960px;
  margin: 26px auto 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--text-muted);
  text-align: center;
}

/* ============ 行业应用场景 ============ */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}
.scene-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
  transition: box-shadow 0.25s, transform 0.25s;
}
.scene-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.scene-photo { position: relative; overflow: hidden; }
.scene-photo > img {
  display: block;
  width: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  cursor: zoom-in;
  transition: transform 0.3s;
}
.scene-card:hover .scene-photo > img { transform: scale(1.03); }
.scene-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.scene-body h3 { margin: 0 0 10px; font-size: 19px; color: var(--text); }
.scene-body p { margin: 0 0 18px; flex: 1; font-size: 14px; line-height: 1.85; color: var(--text-muted); }
.scene-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 12px; color: var(--text-muted); }
.scene-tags a {
  display: inline-block;
  padding: 5px 11px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary);
  text-decoration: none;
}
.scene-tags a:hover { background: var(--primary); color: #fff; }
.scene-note {
  max-width: 960px;
  margin: 30px auto 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--text-muted);
  text-align: center;
}

/* 奇数个场景时，末张跨整行收尾，避免右侧半边空白 */
.scene-grid > .scene-card:last-child:nth-child(odd) { grid-column: 1 / -1; }

/* 首页应用卡片跳转后的锚点定位与目标高亮（避开 sticky 页头） */
.scene-card { scroll-margin-top: 96px; }
.scene-card.scene-target {
  border-color: var(--primary);
  animation: scene-flash 1.1s ease-in-out 2;
}
@keyframes scene-flash {
  0%, 100% { box-shadow: var(--shadow); }
  45% { box-shadow: 0 0 0 5px rgba(21, 84, 168, 0.18), var(--shadow-hover); }
}
@media (max-width: 768px) {
  .scene-card { scroll-margin-top: 84px; }
  .app-thumb .brand-stamp { width: 78px; }
}

@media (max-width: 992px) {
  .album-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scene-grid { grid-template-columns: 1fr; }
  .scene-grid > .scene-card:last-child:nth-child(odd) { grid-column: auto; }
}
@media (max-width: 768px) {
  .album-grid { grid-template-columns: 1fr; }
  .album-tab { padding: 8px 14px; font-size: 13px; }
  .scene-body { padding: 18px; }
  .scene-body h3 { font-size: 17px; }
}