/* ==========================================================================
   小目科技官方网站 - 申昊科技上市公司风格设计规范 (Shenhao Tech Style)
   视觉基调：纯净工业科技白 + 申昊深海蓝 + 琥珀橙点缀 + 权威工业排版
   ========================================================================== */

:root {
  /* 申昊科技标准色彩系统 */
  --color-primary: #005BAC;          /* 申昊经典科技深蓝 */
  --color-primary-dark: #004080;     /* 交互加深色 */
  --color-primary-light: #0077D9;    /* 亮蓝 */
  --color-primary-soft: #EBF4FC;     /* 浅蓝微底色 */
  --color-primary-tint: rgba(0, 91, 172, 0.05);

  --color-accent: #F5A509;           /* 申昊核心琥珀金橙 (用于重点数据、下划线与角标) */
  --color-accent-hover: #D97706;     /* 橙色悬停 */
  --color-accent-soft: #FEF3C7;      /* 浅橙底色 */

  /* 页面结构底色 */
  --color-bg-body: #FFFFFF;          /* 纯净科技白 */
  --color-bg-alt: #F8FAFC;           /* 柔和浅灰隔断底色 */
  --color-bg-card: #FFFFFF;          /* 纯白卡片 */
  --color-bg-dark: #0D1626;          /* 深邃首屏/夜景展台 */
  --color-bg-footer: #111827;        /* 权威碳黑页脚 */

  /* 文字层级 */
  --color-text-title: #0F172A;       /* 深黑标题 */
  --color-text-main: #334155;        /* 工业炭灰主正文 */
  --color-text-sub: #64748B;         /* 次要信息 */
  --color-text-dim: #94A3B8;         /* 占位/淡辅助信息 */
  --color-text-white: #FFFFFF;

  /* 边框与微阴影 */
  --color-border-light: #E2E8F0;
  --color-border-hover: #CBD5E1;
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 10px 25px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-card-hover: 0 20px 35px -5px rgba(0, 91, 172, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-btn: 0 4px 14px rgba(0, 91, 172, 0.25);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --transition-fast: all 0.2s ease;
  --transition-base: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-body);
  color: var(--color-text-main);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-base);
}

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

/* 容器控制 */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* 区域通用规范 */
.section {
  padding-top: 5.5rem;
  padding-bottom: 5.5rem;
  position: relative;
}

.section-alt {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.section-head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 0.25rem 0.85rem;
  border-radius: 2rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.85rem;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-text-title);
  line-height: 1.3;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-sub);
  line-height: 1.7;
}

/* ==========================================================================
   1. 顶部导航栏 (申昊科技白底悬浮高透规范)
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  transition: var(--transition-base);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.brand-logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.brand-name {
  font-size: 1.32rem;
  font-weight: 800;
  color: var(--color-text-title);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-item > a {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-text-title);
  position: relative;
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-item > a:hover,
.nav-item > a.active {
  color: var(--color-primary);
}

.nav-item > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-base);
}

.nav-item > a:hover::after,
.nav-item > a.active::after {
  width: 100%;
}

/* 产品中心下拉菜单 (申昊科技规范) */
.nav-dropdown:hover .dropdown-menu {
  display: block;
  animation: fadeInDown 0.2s ease-out;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: -1rem;
  min-width: 240px;
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  padding: 0.6rem 0;
  list-style: none;
  z-index: 1002;
}

.dropdown-menu li a {
  display: block;
  padding: 0.7rem 1.4rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-main);
  transition: var(--transition-fast);
}

.dropdown-menu li a:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  padding-left: 1.65rem;
}

.caret {
  font-size: 0.75rem;
  transition: transform 0.2s ease;
}

.nav-dropdown:hover .caret {
  transform: rotate(180deg);
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-phone {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  transition: var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 91, 172, 0.35);
}

.btn-orange {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(245, 165, 9, 0.3);
}

.btn-orange:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(245, 165, 9, 0.45);
}

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

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--color-text-title);
  cursor: pointer;
}

/* ==========================================================================
   2. 首屏 Banner 沉浸式科技展台 (申昊大片级视频展映)
   ========================================================================== */
.hero-banner {
  margin-top: 5rem;
  position: relative;
  background: #081120;
  color: #fff;
  padding: 4rem 0 4.5rem 0;
  overflow: hidden;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 70% 30%, rgba(0, 91, 172, 0.35) 0%, transparent 60%),
              radial-gradient(circle at 20% 80%, rgba(245, 165, 9, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-slogan-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.35rem 1rem;
  border-radius: 2rem;
  font-size: 0.85rem;
  color: #F8FAFC;
  margin-bottom: 1.35rem;
}

.hero-slogan-badge span.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent);
}

.hero-title {
  font-size: 3.1rem;
  font-weight: 800;
  line-height: 1.25;
  color: #FFFFFF;
  margin-bottom: 1.1rem;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  color: #38BDF8;
  background: linear-gradient(135deg, #38BDF8 0%, #60A5FA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.05rem;
  color: #CBD5E1;
  line-height: 1.75;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* 官方宣传片大片展台 */
.hero-video-box {
  position: relative;
  background: #000;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 91, 172, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-video-box video {
  width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   3. 申昊科技量化指标栏 (innum) - 大数字 + 橙色底边线
   ========================================================================== */
.innum-section {
  background: #FFFFFF;
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--color-border-light);
}

.innum-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.innum-item {
  border-bottom: 2.5px solid var(--color-accent);
  padding-bottom: 1.25rem;
  transition: var(--transition-base);
}

.innum-item:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
}

.innum-value {
  font-size: 3.25rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.05;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}

.innum-unit {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-accent);
}

.innum-label {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 0.25rem;
}

.innum-sub {
  font-size: 0.85rem;
  color: var(--color-text-sub);
}

/* ==========================================================================
   4. 核心装备展台 (HomePro) - 申昊科技分类 Tab + 宽幅真机卡片
   ========================================================================== */
.product-tabs-wrap {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.8rem 2rem;
  border-radius: 2rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-sub);
  background: #FFFFFF;
  border: 1.5px solid var(--color-border-light);
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: var(--shadow-subtle);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.tab-btn svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  stroke: currentColor;
}

.tab-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.tab-btn.active {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(0, 91, 172, 0.25);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem;
}

.product-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(0, 91, 172, 0.3);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  transition: var(--transition-fast);
}

.product-card:hover::before {
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.product-thumb-wrap {
  position: relative;
  background: linear-gradient(180deg, #F8FAFC 0%, #EEF2F6 100%);
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.75rem;
  border-bottom: 1px solid var(--color-border-light);
}

.product-thumb-wrap img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  transition: var(--transition-base);
  filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.08));
}

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

.product-badge-flag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--color-accent);
  color: #fff;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
}

.product-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-model-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
}

.product-card-title {
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--color-text-title);
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.product-card-desc {
  font-size: 0.92rem;
  color: var(--color-text-sub);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.specs-pill-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  margin-top: auto;
}

.spec-pill {
  font-size: 0.78rem;
  background: var(--color-bg-alt);
  color: var(--color-text-main);
  border: 1px solid var(--color-border-light);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.spec-pill span {
  font-weight: 700;
  color: var(--color-primary);
}

.product-footer-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.2rem;
  border-top: 1px solid var(--color-border-light);
}

.btn-detail-link {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: var(--transition-fast);
}

.btn-detail-link:hover {
  color: var(--color-accent);
  transform: translateX(3px);
}

/* ==========================================================================
   5. 产学研深度融合 (Company / R&D) - 申昊科技左右分栏
   ========================================================================== */
.company-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.company-text h3 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 1.25rem;
  line-height: 1.3;
}

.company-text p {
  font-size: 1.05rem;
  color: var(--color-text-sub);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  text-align: justify;
}

.company-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.feat-item {
  background: #FFFFFF;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-fast);
}

.feat-item:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

.feat-item h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.feat-item p {
  font-size: 0.88rem;
  color: var(--color-text-sub);
  line-height: 1.55;
  margin-bottom: 0;
}

.company-visual-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
  text-align: center;
  position: relative;
}

.company-visual-card img {
  max-height: 360px;
  margin: 0 auto;
  filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.1));
}

.company-badge-box {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border-light);
}

/* ==========================================================================
   6. 行业应用场景 (CaseList) - 申昊宽幅多列实景卡片
   ========================================================================== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.solution-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary);
}

.solution-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.solution-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.solution-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 0.75rem;
}

.solution-desc {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.solution-points {
  list-style: none;
  margin-top: auto;
  border-top: 1px solid var(--color-border-light);
  padding-top: 1rem;
}

.solution-point-item {
  font-size: 0.82rem;
  color: var(--color-text-main);
  padding: 0.35rem 0;
  position: relative;
  padding-left: 1.1rem;
}

.solution-point-item::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 800;
}

/* ==========================================================================
   7. 企业资质 (原官网资质全景大图，支持点击灯箱放大预览)
   ========================================================================== */
.cert-summary-box {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  text-align: center;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
}

.cert-summary-box img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   7.1 合作伙伴 (原官网 14 家合作伙伴与高校网格布局)
   ========================================================================== */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.partner-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 0.85rem 0.6rem;
  height: 85px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-base);
}

.partner-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.partner-card img {
  max-height: 48px;
  max-width: 100%;
  object-fit: contain;
  transition: var(--transition-fast);
}

.partner-card:hover img {
  transform: scale(1.08);
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.25rem;
}

.cert-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  box-shadow: var(--shadow-subtle);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.cert-img-wrap {
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.cert-img-wrap img {
  max-height: 100%;
  object-fit: contain;
}

.cert-name {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-title);
  line-height: 1.35;
}

/* ==========================================================================
   8. 产品独立详情页样式规范 (现代报表级白底排版)
   ========================================================================== */
.detail-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--color-text-sub);
  margin-bottom: 2rem;
  padding-top: 1.5rem;
}

.detail-breadcrumb a {
  color: var(--color-text-sub);
}

.detail-breadcrumb a:hover {
  color: var(--color-primary);
}

.detail-hero-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: 3rem;
  margin-bottom: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3.5rem;
  align-items: center;
  box-shadow: var(--shadow-card);
}

.detail-hero-img-box {
  background: linear-gradient(180deg, #F8FAFC 0%, #EEF2F6 100%);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 340px;
}

.detail-hero-img-box img {
  max-height: 300px;
  object-fit: contain;
  filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.1));
}

.detail-layout {
  display: grid;
  grid-template-columns: 2.7fr 1fr;
  gap: 3rem;
  margin-bottom: 5rem;
}

.article-body {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  box-shadow: var(--shadow-card);
  line-height: 1.9;
  font-size: 1rem;
  color: var(--color-text-main);
}

.article-body h2, .article-body h3, .article-body h4 {
  color: var(--color-text-title);
  margin-top: 2.5rem;
  margin-bottom: 1.2rem;
  font-weight: 800;
}

.article-body h2 {
  font-size: 1.5rem;
  border-left: 4px solid var(--color-primary);
  padding-left: 0.85rem;
}

.article-body h3 {
  font-size: 1.25rem;
  color: var(--color-primary);
}

.article-body p {
  margin-bottom: 1.35rem;
  color: var(--color-text-main);
  text-align: justify;
}

.article-body .content-figure {
  margin: 2.25rem 0;
  text-align: center;
}

.article-body img {
  margin: 1.5rem auto;
  border-radius: var(--radius-md);
  background: #FFFFFF;
  padding: 0.75rem;
  border: 1px solid var(--color-border-light);
  max-width: 100%;
  height: auto;
  box-shadow: var(--shadow-subtle);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: #FFFFFF;
  border: 1.5px solid #94A3B8; /* 外边框清晰实线 */
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.article-body th, 
.article-body td {
  padding: 0.5rem 0.85rem; /* 行间距缩窄，紧凑专业美观 */
  border: 1px solid #CBD5E1; /* 单元格清晰网格实线 */
  font-size: 0.9rem;
  line-height: 1.45;
  color: #1E293B;
  vertical-align: middle;
}

/* 首行表头自动高亮强化 */
.article-body tr:first-child td,
.article-body tr:first-child th {
  background: #EBF3FC;
  color: #004080;
  font-weight: 700;
  border-bottom: 2px solid #005BAC;
  text-align: center;
  padding: 0.6rem 0.85rem;
}

/* 序号列居中对齐 */
.article-body tr td:first-child:not([colspan]) {
  text-align: center;
  width: 60px;
  color: #475569;
  font-weight: 600;
}

/* 分类小结行 (如“一、电压”、“二、电流”) */
.article-body td[colspan] {
  background: #F1F5F9;
  color: #0F172A;
  font-weight: 700;
  font-size: 0.92rem;
  border-top: 1.5px solid #94A3B8;
  border-bottom: 1px solid #CBD5E1;
  padding: 0.5rem 1rem;
  letter-spacing: 0.02em;
}

/* 隔行斑马纹与悬浮阅读行高亮 */
.article-body tr:nth-child(even) td:not([colspan]) {
  background: #F8FAFC;
}

.article-body tr:hover td:not([colspan]) {
  background: #F0F7FF;
}

/* 详情页智能装备翻页组件 (申昊极简白底风格) */
.product-page-nav {
  margin-top: 2.5rem;
  padding: 1.5rem 2rem;
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-shadow: var(--shadow-card);
}

.page-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-width: 45%;
  text-decoration: none;
  transition: var(--transition-fast);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-light);
}

.page-nav-link:hover {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.page-nav-link.prev {
  text-align: left;
}

.page-nav-link.next {
  text-align: right;
}

.page-nav-sub {
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 700;
}

.page-nav-title {
  font-size: 0.95rem;
  color: var(--color-text-title);
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-nav-center-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-light);
  color: var(--color-text-title);
  font-size: 0.85rem;
  font-weight: 700;
  transition: var(--transition-fast);
}

.page-nav-center-btn:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

/* 侧边栏 */
.detail-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-widget {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
}

.widget-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 1.25rem;
  border-left: 3.5px solid var(--color-accent);
  padding-left: 0.6rem;
}

.related-prod-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-border-light);
}

.related-prod-item:last-child {
  border-bottom: none;
}

.related-prod-thumb {
  width: 60px;
  height: 60px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem;
  flex-shrink: 0;
  border: 1px solid var(--color-border-light);
}

.related-prod-thumb img {
  max-height: 100%;
  object-fit: contain;
}

.related-prod-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-title);
  line-height: 1.4;
}

.related-prod-name:hover {
  color: var(--color-primary);
}

/* ==========================================================================
   9. 申昊科技权威深色页脚 (Footer) - 沉稳碳黑
   ========================================================================== */
.footer {
  background: var(--color-bg-footer);
  color: #9CA3AF;
  padding: 5rem 0 2.5rem 0;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 4rem;
  margin-bottom: 3.5rem;
}

.footer-brand .footer-logo {
  height: 46px;
  width: auto;
  margin-bottom: 1.5rem;
  filter: brightness(0) invert(1);
}

.footer-hotline-title {
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.footer-hotline {
  font-size: 2rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.footer-contact-item {
  font-size: 0.92rem;
  margin-bottom: 0.6rem;
  color: #D1D5DB;
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  line-height: 1.5;
}

.footer-contact-item svg {
  width: 15px;
  height: 15px;
  stroke: #9CA3AF;
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-nav-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--color-primary);
}

.footer-col-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col-list a {
  font-size: 0.9rem;
  color: #9CA3AF;
  transition: var(--transition-fast);
}

.footer-col-list a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #6B7280;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom a {
  color: #9CA3AF;
}

.footer-bottom a:hover {
  color: #FFFFFF;
}

/* 灯箱效果 (LightBox) */
.lightbox-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-content {
  max-width: 900px;
  max-height: 85vh;
  position: relative;
  background: #FFFFFF;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  text-align: center;
}

.lightbox-content img {
  max-height: 70vh;
  margin: 0 auto 1rem auto;
  object-fit: contain;
}

.lightbox-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-title);
}

.lightbox-close {
  position: absolute;
  top: -15px;
  right: -15px;
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  border: 2px solid #fff;
}

/* 响应式调整 */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .innum-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .company-grid {
    grid-template-columns: 1fr;
  }
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .certs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .detail-hero-card {
    grid-template-columns: 1fr;
  }
  .detail-layout {
    grid-template-columns: 1fr;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu, .nav-phone {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .solutions-grid {
    grid-template-columns: 1fr;
  }
  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-nav-columns {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   公司新闻与人才招聘专用样式规范 (申昊科技风格)
   ========================================================================== */
.news-filter-tabs {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.news-tab-btn {
  padding: 0.55rem 1.4rem;
  border-radius: 9999px;
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-sub);
  cursor: pointer;
  transition: var(--transition-base);
}

.news-tab-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.news-tab-btn.active {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 91, 172, 0.25);
}

.news-list-container {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.news-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 2rem;
  border-bottom: 1px solid var(--color-border-light);
  text-decoration: none;
  transition: var(--transition-base);
}

.news-item:last-child {
  border-bottom: none;
}

.news-item:hover {
  background: var(--color-bg-alt);
  transform: translateX(4px);
}

.news-item-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex: 1;
  min-width: 0;
}

.news-tag-badge {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  white-space: nowrap;
}

.news-tag-badge.badge-honor {
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
}

.news-tag-badge.badge-lead {
  background: #EFF6FF;
  color: #2563EB;
}

.news-title-text {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-title);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-item:hover .news-title-text {
  color: var(--color-primary);
}

.news-item-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-shrink: 0;
  margin-left: 1.5rem;
}

.news-date {
  font-size: 0.9rem;
  color: var(--color-text-dim);
  font-feature-settings: "tnum";
}

.news-arrow {
  color: var(--color-text-dim);
  font-weight: 700;
  transition: var(--transition-base);
}

.news-item:hover .news-arrow {
  color: var(--color-primary);
  transform: translateX(4px);
}

/* 招聘卡片与福利 */
.job-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: 2.75rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-card);
  transition: var(--transition-base);
}

.job-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-card-hover);
}

.job-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: 1.5rem;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.job-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 0.35rem;
}

.job-dept {
  font-size: 0.92rem;
  color: var(--color-primary);
  font-weight: 700;
}

.job-meta-pills {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.job-meta-pill {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  background: var(--color-bg-alt);
  color: var(--color-text-main);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.job-meta-pill svg {
  width: 14px;
  height: 14px;
  stroke: var(--color-primary);
  flex-shrink: 0;
}

.job-header-action {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-start;
  min-width: 180px;
  flex-shrink: 0;
}

.job-salary-tag {
  font-size: 1.25rem;
  font-weight: 800;
  color: #D97706;
  white-space: nowrap;
}

.job-header-action .btn-apply {
  margin-top: 0.75rem;
  padding: 0.65rem 1.6rem;
  font-size: 0.95rem;
  min-width: 150px;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.job-section-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 0.75rem;
  border-left: 3px solid var(--color-primary);
  padding-left: 0.65rem;
}

.job-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.75rem;
}

.job-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-main);
}

.job-list li::before {
  content: "•";
  position: absolute;
  left: 0.35rem;
  color: var(--color-primary);
  font-weight: 900;
  font-size: 1.1rem;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.benefit-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-base);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-primary-light);
}

.benefit-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.benefit-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 0.4rem;
}

.benefit-desc {
  font-size: 0.85rem;
  color: var(--color-text-sub);
  line-height: 1.6;
}

@media (max-width: 992px) {
  .benefit-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .benefit-grid {
    grid-template-columns: 1fr;
  }
  .news-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1.25rem 1.25rem;
  }
  .news-item-right {
    margin-left: 0;
    width: 100%;
    justify-content: space-between;
  }
}