@import url('../fonts/remixicon.css');

/* ==========================================================================
   四川泓炜特种门业有限责任公司 - 全局主样式表 (main.css)
   设计规范：宏伟、大气、特种重工业安全质感、红色主调 + 钛金光泽
   内容最大宽度：1920px，背景元素 100% 自适应
   ========================================================================== */

:root {
  /* 品牌色彩系统 */
  --color-primary: #C8161D;          /* 泓炜工业中国红 */
  --color-primary-dark: #980F15;     /* 尊贵重工深红 */
  --color-primary-deep: #5E080B;     /* 防护堡垒暗红 */
  --color-primary-light: #FF2E36;    /* 警示高亮红 */
  --color-gold: #D4AF37;             /* 特种防护钛金 */
  --color-gold-light: #F5E096;       /* 浅金光泽 */
  --color-gold-dark: #A8861E;        /* 暗金 */
  
  /* 工业中性色 */
  --color-bg-dark: #0F1216;          /* 深邃黑曜石背景 */
  --color-bg-surface: #181D24;       /* 铠甲深灰面板 */
  --color-bg-card: #202630;          /* 金属深灰卡片 */
  --color-border-dark: #2F3744;      /* 暗色边缘 */
  --color-border-light: #E2E6EE;     /* 明亮边缘 */
  
  --color-bg-light: #F7F9FC;         /* 明亮浅灰背景 */
  --color-bg-white: #FFFFFF;         /* 纯白面板 */
  
  --color-text-title: #14171D;       /* 标题深黑 */
  --color-text-body: #3E4654;        /* 正文灰黑 */
  --color-text-muted: #6B7688;       /* 辅助文本 */
  --color-text-white: #FFFFFF;       /* 纯白文本 */
  --color-text-gold: #E5C158;        /* 金色文本 */
  --color-text-light-muted: rgba(255, 255, 255, 0.82); /* 深色背景下的高透光易读浅色正文 */

  
  /* 尺寸与布局 */
  --max-width: 1920px;
  --content-padding-h: 40px;
  --header-height: 90px;
  --header-top-height: 40px;
  
  /* 投影与光晕 */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
  --shadow-red: 0 10px 30px rgba(200, 22, 29, 0.25);
  --shadow-gold: 0 10px 30px rgba(212, 175, 55, 0.25);
  
  /* 字体家族 */
  --font-heading: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", "Noto Sans SC", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-en: "Cinzel", "Montserrat", "Helvetica Neue", Arial, sans-serif;
  
  /* 转场过度 */
  --transition-fast: 0.25s cubic-bezier(0.2, 0, 0, 1);
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-body);
  background-color: var(--color-bg-white);
  line-height: 1.65;
  overflow-x: hidden;
}

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

svg {
  max-width: 100%;
  vertical-align: middle;
}

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

/* 栅格容器：最大 1920px，自适应 */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--content-padding-h);
  padding-right: var(--content-padding-h);
}

.container-full {
  width: 100%;
  margin: 0 auto;
}

/* ==========================================================================
   宏伟顶部信息栏 & 主导航条 (Header)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
}

/* 顶部服务信息微条 - 高定商务深蓝黑 */
.top-bar {
  background: #0d1424;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  color: var(--color-text-light-muted);
  height: var(--header-top-height);
  line-height: var(--header-top-height);
  transition: all var(--transition-fast);
}

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

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.top-bar-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-gold);
  font-weight: 500;
}

.top-bar-tag svg,
.top-bar-tag i {
  width: 14px;
  height: 14px;
  font-size: 15px;
  line-height: 1;
  fill: currentColor;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.top-bar-phone span.num {
  color: var(--color-gold);
  font-size: 14px;
}

/* 主导航条 - 精准匹配客户指定的深邃高定蓝黑背景色 #10182a */
.main-nav-wrapper {
  background: #10182a;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: var(--header-height);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.35);
  transition: all var(--transition-normal);
}

.site-header:hover .main-nav-wrapper {
  background: #10182a;
}

.site-header.scrolled .top-bar {
  margin-top: calc(-1 * var(--header-top-height));
  opacity: 0;
  pointer-events: none;
}

.site-header.scrolled .main-nav-wrapper {
  height: 72px;
  background: #10182a;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 2px solid var(--color-primary);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

/* 品牌 Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo img {
  height: 52px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.brand-title-box {
  display: flex;
  flex-direction: column;
}

.brand-title-zh {
  font-size: 20px;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: 0.8px;
  font-family: var(--font-heading);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
  white-space: nowrap;
}

.brand-title-en {
  font-size: 8.5px;
  font-weight: 600;
  color: var(--color-gold-light);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  font-family: var(--font-en);
  white-space: nowrap;
}

/* 导航菜单列表 */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 4px;
  position: relative;
  transition: all var(--transition-fast);
}

.nav-link .zh {
  position: relative;
  z-index: 2;
}

.nav-link .en {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-family: var(--font-en);
  margin-top: 2px;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--color-gold);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-item.active .nav-link {
  color: #FFFFFF;
  background: rgba(200, 22, 29, 0.15);
}

.nav-link:hover .en,
.nav-item.active .nav-link .en {
  color: #FF8F94;
}

.nav-link:hover::after,
.nav-item.active .nav-link::after {
  width: 60%;
  background: var(--color-primary);
}

/* 移动端汉堡切换按钮 */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger {
  width: 28px;
  height: 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger span {
  display: block;
  height: 2.5px;
  width: 100%;
  background-color: #FFFFFF;
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.mobile-nav-toggle.open .hamburger span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
  background-color: var(--color-gold);
}
.mobile-nav-toggle.open .hamburger span:nth-child(2) {
  opacity: 0;
}
.mobile-nav-toggle.open .hamburger span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
  background-color: var(--color-gold);
}

/* ==========================================================================
   首页首屏视频背景区 (Hero Section) - 真实工业质感、红黑沉稳大气
   ========================================================================== */
.hero-video-section {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 720px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0E131C url('../video/hw-bg.png') center center / cover no-repeat;
}

.hero-video-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%);
  object-fit: cover;
  z-index: 1;
  pointer-events: none;
  filter: brightness(0.85) contrast(1.06);
}

/* 沉浸式电影级暗调渐变蒙版，保留工厂视频真实质感，以红黑为基底 */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: 
    radial-gradient(circle at 50% 50%, rgba(14, 19, 28, 0.42) 0%, rgba(14, 19, 28, 0.82) 100%),
    linear-gradient(180deg, rgba(14, 19, 28, 0.75) 0%, rgba(14, 19, 28, 0.2) 40%, rgba(14, 19, 28, 0.9) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 5;
  text-align: center;
  color: #FFFFFF;
  max-width: 1200px;
  padding: 0 20px;
  margin-top: 40px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 24px;
  background: rgba(14, 19, 28, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-left: 3px solid var(--color-primary);
  border-radius: 40px;
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1.5px;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 10px var(--color-primary);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.6); opacity: 1; }
}

.hero-title {
  font-size: 64px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 4px;
  margin-bottom: 24px;
  font-family: var(--font-heading);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.9);
}

.hero-title .highlight {
  color: #FF5A5F;
  background: linear-gradient(135deg, #FFFFFF 20%, #FF8F94 60%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 22px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 2px;
  line-height: 1.6;
  margin-bottom: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}

.hero-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 60px;
}

/* 宏伟按钮规范 */
.btn-prime {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 42px;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 50%, var(--color-primary-dark) 100%);
  color: #FFFFFF;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1.5px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 10px 30px rgba(200, 22, 29, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.4);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.btn-prime::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.7s ease;
}

.btn-prime:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(200, 22, 29, 0.7);
}

.btn-prime:hover::before {
  left: 100%;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 15px 40px;
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 1.5px;
  border-radius: 6px;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  z-index: 1;
}

.btn-outline:hover {
  background: #FFFFFF;
  color: var(--color-primary);
  border-color: #FFFFFF;
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

/* 专用于浅色背景的高级次级/线框按钮 (白底红字红边 -> 悬浮红底白字 + 柔和光晕) */
.btn-outline-primary,
.section-bg-light .btn-outline,
.section-bg-white .btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 38px;
  background: #FFFFFF;
  color: var(--color-primary);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 6px;
  border: 1.5px solid var(--color-primary);
  backdrop-filter: none;
  box-shadow: 0 4px 14px rgba(200, 22, 29, 0.12);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  z-index: 1;
}

.btn-outline-primary::before,
.section-bg-light .btn-outline::before,
.section-bg-white .btn-outline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition-normal);
}

.btn-outline-primary:hover,
.section-bg-light .btn-outline:hover,
.section-bg-white .btn-outline:hover {
  color: #FFFFFF;
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(200, 22, 29, 0.35);
}

.btn-outline-primary:hover::before,
.section-bg-light .btn-outline:hover::before,
.section-bg-white .btn-outline:hover::before {
  opacity: 1;
}

.btn-outline-primary i,
.section-bg-light .btn-outline i,
.section-bg-white .btn-outline i {
  font-size: 18px;
  line-height: 1;
  margin-left: 6px;
  vertical-align: middle;
  display: inline-flex;
  transition: transform var(--transition-fast);
}

.btn-outline-primary:hover i,
.section-bg-light .btn-outline:hover i,
.section-bg-white .btn-outline:hover i {
  transform: translateX(4px);
}

/* 专用于红色/深色渐变背景的线框按钮 */
.btn-outline-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 36px;
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 6px;
  border: 1.5px solid rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(4px);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-outline-white:hover {
  background: #FFFFFF;
  color: var(--color-primary);
  border-color: #FFFFFF;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

.btn-outline-white i {
  font-size: 18px;
  line-height: 1;
  margin-left: 6px;
  vertical-align: middle;
  display: inline-flex;
  transition: transform var(--transition-fast);
}

.btn-outline-white:hover i {
  transform: translateX(4px);
}

/* 专用于红色/深色渐变背景的主高亮白底按钮 */
.btn-prime-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 38px;
  background: #FFFFFF;
  color: var(--color-primary);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 6px;
  border: 1.5px solid #FFFFFF;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  z-index: 1;
}

.btn-prime-white:hover {
  background: #F8F9FA;
  color: var(--color-primary-dark);
  border-color: #FFFFFF;
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.3);
}

.btn-prime-white i {
  font-size: 18px;
  line-height: 1;
  margin-left: 6px;
  vertical-align: middle;
  display: inline-flex;
  transition: transform var(--transition-fast);
}

.btn-prime-white:hover i {
  transform: translateX(4px);
}

/* 首屏向下滚动箭头 */
.hero-scroll-down {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.hero-scroll-down:hover {
  color: var(--color-gold);
}

.mouse-icon {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-radius: 12px;
  position: relative;
}

.mouse-wheel {
  width: 4px;
  height: 8px;
  background: var(--color-gold);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: mouseScroll 2s infinite ease-in-out;
}

@keyframes mouseScroll {
  0% { transform: translate(-50%, 0); opacity: 1; }
  100% { transform: translate(-50%, 14px); opacity: 0; }
}

/* ==========================================================================
   板块通用标头 (Section Header)
   ========================================================================== */
.section {
  padding: 100px 0;
  position: relative;
  width: 100%;
}

.section-bg-dark {
  background-color: var(--color-bg-dark);
  color: #FFFFFF;
}

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

.section-bg-red {
  background: linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-primary-dark) 50%, var(--color-primary) 100%);
  color: #FFFFFF;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}

.section-subtitle-en {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-primary);
  font-family: var(--font-en);
  margin-bottom: 8px;
  display: block;
}

.section-bg-dark .section-subtitle-en,
.section-bg-red .section-subtitle-en {
  color: var(--color-gold);
}

.section-title {
  font-size: 40px;
  font-weight: 800;
  color: var(--color-text-title);
  letter-spacing: 2px;
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-bg-dark .section-title,
.section-bg-red .section-title {
  color: #FFFFFF;
}

.section-title-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.section-title-line .line {
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}

.section-bg-dark .section-title-line .line,
.section-bg-red .section-title-line .line {
  background: var(--color-gold);
}

.section-title-line .diamond {
  width: 10px;
  height: 10px;
  background: var(--color-gold);
  transform: rotate(45deg);
}

.section-desc {
  font-size: 17px;
  color: var(--color-text-muted);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.7;
}

.section-bg-dark .section-desc {
  color: var(--color-text-light-muted);
}

.section-bg-red .section-desc {
  color: rgba(255, 255, 255, 0.85);
}

/* ==========================================================================
   实力数字看板 (Stats Counter Grid)
   ========================================================================== */
.stats-strip {
  position: relative;
  z-index: 10;
  background: linear-gradient(180deg, #131923 0%, #0E131A 100%);
  border-top: 2px solid var(--color-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  padding: 40px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}

.stat-card:last-child {
  border-right: none;
}

.stat-num-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  color: var(--color-gold);
  font-size: 52px;
  font-weight: 800;
  font-family: var(--font-en);
  line-height: 1;
  margin-bottom: 10px;
  text-shadow: 0 2px 10px rgba(212, 175, 55, 0.3);
}

.stat-num-box .stat-suffix {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary-light);
}

.stat-label {
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.stat-desc {
  font-size: 13px;
  color: var(--color-text-light-muted);
  line-height: 1.4;
}

/* ==========================================================================
   产品展示卡片与筛选 (Product Showcase Grid)
   ========================================================================== */
.product-filter-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 50px;
}

.filter-btn {
  padding: 12px 28px;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: 30px;
  color: var(--color-text-title);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 6px 20px rgba(200, 22, 29, 0.35);
  transform: translateY(-2px);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 32px;
}

.product-card {
  background: var(--color-bg-white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-border-light);
  transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1),
              box-shadow 0.35s cubic-bezier(0.25, 0.8, 0.25, 1),
              border-color 0.35s ease;
  display: flex;
  flex-direction: column;
  position: relative;
  will-change: transform, box-shadow;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.09),
              0 4px 16px rgba(200, 22, 29, 0.1);
  border-color: rgba(200, 22, 29, 0.35);
}

.product-img-box {
  position: relative;
  width: 100%;
  height: 280px;
  overflow: hidden;
  background: #F0F2F5;
}

.product-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.product-card:hover .product-img-box img {
  transform: scale(1.04);
}

/* 金属微光扫光质感动画 (Gentle Sheen Overlay) */
.product-img-box::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.22),
    transparent
  );
  transform: skewX(-20deg);
  transition: left 0.75s ease;
  pointer-events: none;
  z-index: 1;
}

.product-card:hover .product-img-box::after {
  left: 150%;
}

.product-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: rgba(152, 15, 21, 0.92);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  border-radius: 4px;
  letter-spacing: 1px;
  border: 1px solid var(--color-gold);
  z-index: 2;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(4px);
  transition: transform 0.3s ease;
}

.product-card:hover .product-badge {
  transform: scale(1.02);
}

.product-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 12px;
  line-height: 1.35;
  transition: color 0.25s ease;
}

.product-card:hover .product-title {
  color: var(--color-primary);
}

.product-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.product-specs-mini {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px dashed var(--color-border-light);
  margin-bottom: 20px;
}

.spec-item {
  font-size: 12.5px;
  color: var(--color-text-body);
}

.spec-item strong {
  color: var(--color-primary);
}

.product-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 11px 18px;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  border-radius: 6px;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.product-btn i {
  transition: transform 0.25s ease;
}

.product-card:hover .product-btn {
  background: rgba(200, 22, 29, 0.05);
  border-color: rgba(200, 22, 29, 0.25);
}

.product-btn:hover {
  background: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  color: #FFFFFF !important;
  box-shadow: 0 4px 12px rgba(200, 22, 29, 0.25);
}

.product-btn:hover i {
  transform: translateX(4px);
}

/* ==========================================================================
   权威资质与荣誉证书展示 (Honors & Certifications)
   ========================================================================== */
.cert-tabs-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 0 auto 42px auto;
  flex-wrap: wrap;
}

.cert-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: 40px;
  color: var(--color-text-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  outline: none;
}

.cert-tab-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.cert-tab-btn.active {
  background: linear-gradient(135deg, var(--color-primary) 0%, #A00E14 100%);
  border-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 6px 18px rgba(200, 22, 29, 0.3);
}

.cert-tab-btn .tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 7px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(0, 0, 0, 0.06);
  color: inherit;
  transition: background var(--transition-fast);
}

.cert-tab-btn.active .tab-count {
  background: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
}

.cert-category-section {
  margin-bottom: 56px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.cert-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 26px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--color-primary);
}

.cert-category-header-title {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.cert-category-header-title h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-text-title);
  margin: 0;
}

.cert-category-header-title .category-badge {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  background: rgba(200, 22, 29, 0.08);
  color: var(--color-primary);
}

.cert-category-header-desc {
  font-size: 13.5px;
  color: var(--color-text-muted);
  margin: 6px 0 0 0;
  max-width: 820px;
  line-height: 1.6;
}

.honors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 26px;
}

/* 首页资质荣誉专区栅格规范（宽屏桌面端一行展示6个） */
.homepage-honors-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.homepage-honors-grid .honor-card {
  border-radius: 8px;
}

.homepage-honors-grid .honor-img-box {
  height: 160px;
  padding: 12px;
}

.homepage-honors-grid .honor-badge {
  font-size: 11px;
  padding: 3px 8px;
  top: 8px;
  left: 8px;
  letter-spacing: 0.2px;
}

.homepage-honors-grid .honor-info {
  padding: 12px 14px 16px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.homepage-honors-grid .honor-title {
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 6px 0;
  min-height: 38px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.homepage-honors-grid .honor-issuer {
  font-size: 11.5px;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.honor-card {
  background: var(--color-bg-white);
  border-radius: 10px;
  padding: 0;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  text-align: left;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.honor-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
  border-color: var(--color-primary);
}

.honor-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  font-size: 11.5px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
  letter-spacing: 0.3px;
}

.honor-badge-red {
  background: linear-gradient(135deg, #C8161D 0%, #900B11 100%);
  color: #FFFFFF;
}

.honor-badge-gold {
  background: linear-gradient(135deg, #D4AF37 0%, #AA8010 100%);
  color: #FFFFFF;
}

.honor-badge-blue {
  background: linear-gradient(135deg, #1E3A8A 0%, #0F172A 100%);
  color: #FFFFFF;
}

.honor-img-box {
  width: 100%;
  height: 250px;
  overflow: hidden;
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-bottom: 1px solid #EEF2F6;
  padding: 18px;
}

.honor-img-box img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  transition: transform 0.4s ease;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.06));
}

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

.honor-zoom-overlay {
  position: absolute;
  inset: 0;
  background: rgba(14, 18, 23, 0.4);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}

.honor-card:hover .honor-zoom-overlay {
  opacity: 1;
}

.honor-zoom-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-text-title);
  border-radius: 20px;
  font-size: 12.5px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transform: translateY(6px);
  transition: transform 0.3s ease;
}

.honor-card:hover .honor-zoom-btn {
  transform: translateY(0);
}

.honor-info {
  padding: 18px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.honor-title {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--color-text-title);
  line-height: 1.45;
  margin: 0;
  min-height: 44px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}

.honor-card:hover .honor-title {
  color: var(--color-primary);
}

.honor-issuer {
  font-size: 12.5px;
  color: var(--color-text-muted);
  margin: 8px 0 0;
  line-height: 1.45;
}

.honor-desc {
  font-size: 12px;
  color: #94A3B8;
  margin-top: 6px;
  line-height: 1.45;
}

/* 防御性规则：若卡片直接放置 .honor-title 未包裹 .honor-info，确保充足边距不紧贴边框 */
.honor-card > .honor-title {
  padding: 16px 20px 20px;
  margin: 0;
}

/* ==========================================================================
   重大工程标杆业绩 (Cases Wall)
   ========================================================================== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 30px;
}

.case-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  height: 320px;
  box-shadow: var(--shadow-md);
  cursor: pointer;
}

.case-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(14, 18, 23, 0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  color: #FFFFFF;
  transition: all var(--transition-normal);
}

.case-card:hover .case-img {
  transform: scale(1.1);
}

.case-card:hover .case-overlay {
  background: linear-gradient(180deg, rgba(200, 22, 29, 0.4) 0%, rgba(14, 18, 23, 0.95) 100%);
}

.case-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.case-name {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.25;
}

.case-detail {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
  opacity: 0.85;
  transform: translateY(10px);
  transition: all var(--transition-normal);
}

.case-card:hover .case-detail {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   智能制造生产基地专栏 (Manufacturing Base)
   ========================================================================== */
.factory-showcase {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center; /* 紧凑对齐，杜绝上下虚空拉扯 */
}

.factory-content {
  display: flex;
  flex-direction: column;
}

.factory-content .section-title {
  font-size: clamp(26px, 2.2vw, 34px);
  margin-bottom: 12px;
  line-height: 1.3;
}

.factory-content .section-desc {
  margin: 0 0 22px 0;
  max-width: 100%;
  text-align: left;
}

.factory-feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.factory-feature-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px 18px;
  border-radius: 6px;
  border-left: 3px solid var(--color-gold);
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.factory-feature-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(212, 175, 55, 0.3);
  transform: translateY(-2px);
}

.factory-feature-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.factory-feature-item p {
  font-size: 13px;
  color: var(--color-text-light-muted);
  line-height: 1.55;
  margin: 0;
}

.factory-media-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  width: 100%;
}

.factory-media-item {
  width: 100%;
  height: 175px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.12);
  position: relative;
  background: #141922;
}

.factory-media-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center; /* 居中呈现主要生产设备区域 */
  display: block;
  cursor: pointer;
  transition: transform var(--transition-normal);
}

.factory-media-item:hover img {
  transform: scale(1.08);
}

/* ==========================================================================
   关于我们 - 现代生产基地与技术中心实景展陈 (Factory Gallery)
   最多10项，自适应恒定2行布局 (10 -> 8 -> 6 -> 4)
   ========================================================================== */
.factory-gallery-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 10px;
}

.factory-gallery-card {
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.factory-gallery-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(200, 22, 29, 0.35);
}

.gallery-card-img {
  width: 100%;
  height: 175px;
  overflow: hidden;
  position: relative;
  background: #0B0E12;
}

.gallery-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: pointer;
  transition: transform var(--transition-normal);
}

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

.gallery-card-body {
  padding: 16px 18px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.gallery-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 6px;
  line-height: 1.4;
}

.gallery-card-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
}

/* 屏幕适配 1：992px - 1199px (小屏桌面/笔记本) -> 4 列 x 2 行 = 精准展示 8 个 */
@media (max-width: 1199px) {
  .factory-gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
  .factory-gallery-card:nth-child(n+9) {
    display: none;
  }
}

/* 屏幕适配 2：768px - 991px (平板端) -> 3 列 x 2 行 = 精准展示 6 个 */
@media (max-width: 991px) {
  .factory-gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
  .factory-gallery-card:nth-child(n+7) {
    display: none;
  }
  .gallery-card-img {
    height: 160px;
  }
}

/* 屏幕适配 3：< 768px (手机端) -> 2 列 x 2 行 = 精准展示 4 个 */
@media (max-width: 767px) {
  .factory-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .factory-gallery-card:nth-child(n+5) {
    display: none;
  }
  .gallery-card-img {
    height: 130px;
  }
  .gallery-card-body {
    padding: 12px 14px 16px;
  }
  .gallery-card-title {
    font-size: 14px;
  }
  .gallery-card-desc {
    font-size: 12px;
    line-height: 1.45;
  }
}

/* ==========================================================================
   新闻与技术标准专栏 (News & Specs)
   ========================================================================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 32px;
}

.news-card {
  background: var(--color-bg-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(200, 22, 29, 0.3);
}

.news-img-box {
  width: 100%;
  height: 220px;
  overflow: hidden;
  position: relative;
}

.news-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

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

.news-date-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 6px 14px;
  background: rgba(14, 18, 23, 0.85);
  color: var(--color-gold);
  font-size: 13px;
  font-weight: 700;
  border-radius: 4px;
  backdrop-filter: blur(4px);
}

.news-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.news-category {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.news-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-title);
  line-height: 1.4;
  margin-bottom: 12px;
  transition: color var(--transition-fast);
}

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

.news-summary {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.news-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition-fast);
}

.news-link:hover {
  gap: 10px;
}

/* ==========================================================================
   资讯详情页 (News Detail Page)
   ========================================================================== */
.news-detail-section {
  padding-top: 40px;
  padding-bottom: 70px;
}

.news-detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: start;
}

/* 主文章容器 */
.news-detail-main {
  background: var(--color-bg-white);
  border-radius: 12px;
  border: 1px solid var(--color-border-light);
  padding: 48px 44px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.news-article-badge {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(200, 22, 29, 0.08);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.news-article-title {
  font-size: 30px;
  font-weight: 800;
  color: var(--color-text-title);
  line-height: 1.38;
  margin-bottom: 22px;
  letter-spacing: -0.3px;
}

.news-article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 13.5px;
  color: var(--color-text-muted);
}

.news-meta-left {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}

.news-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-meta-item i {
  color: var(--color-primary);
  font-size: 15px;
}

.news-meta-tools {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.font-size-switcher {
  display: inline-flex;
  align-items: center;
  background: #F1F3F5;
  border-radius: 6px;
  padding: 2px 4px;
  gap: 2px;
}

.font-size-switcher .font-btn {
  cursor: pointer;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-muted);
  border-radius: 4px;
  transition: all var(--transition-fast);
  user-select: none;
}

.font-size-switcher .font-btn:hover {
  color: var(--color-text-title);
}

.font-size-switcher .font-btn.active {
  background: var(--color-bg-white);
  color: var(--color-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.article-tool-btn {
  background: transparent;
  border: 1px solid var(--color-border-light);
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 13px;
  color: var(--color-text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all var(--transition-fast);
}

.article-tool-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(200, 22, 29, 0.04);
}

/* 导读块 */
.news-lead-quote {
  background: #F9FAFB;
  border-left: 4px solid var(--color-primary);
  padding: 20px 24px;
  border-radius: 0 8px 8px 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: #4A5568;
  margin-bottom: 32px;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.02);
}

/* 正文 */
.news-article-body {
  font-size: 16px;
  line-height: 1.9;
  color: #2D3748;
}

.news-article-body p {
  margin-bottom: 20px;
}

.news-article-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-title);
  margin: 32px 0 16px;
  padding-left: 14px;
  position: relative;
  line-height: 1.4;
}

.news-article-body h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  bottom: 3px;
  width: 4px;
  background: var(--color-primary);
  border-radius: 2px;
}

.news-article-body ul {
  margin: 16px 0 24px 20px;
  padding: 0;
  list-style: disc;
}

.news-article-body ul li {
  margin-bottom: 10px;
  line-height: 1.8;
}

.news-article-img-box {
  margin: 32px 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  background: #F8F9FA;
  text-align: center;
}

.news-article-img-box img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

.news-img-caption {
  display: block;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--color-text-muted);
  background: #F8F9FA;
  border-top: 1px solid var(--color-border-light);
  text-align: center;
}

.news-tech-callout {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: #FFF9F2;
  border: 1px solid #FFE4C4;
  border-left: 4px solid var(--color-gold);
  border-radius: 0 8px 8px 0;
  padding: 18px 22px;
  margin: 28px 0;
}

.news-tech-callout .callout-icon {
  font-size: 22px;
  color: #D48806;
  flex-shrink: 0;
  line-height: 1;
}

.news-tech-callout .callout-text {
  font-size: 14.5px;
  color: #7B4B0A;
  line-height: 1.75;
}

/* 标签栏 */
.news-article-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border-light);
}

.news-article-tags .tag-label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.news-tag {
  display: inline-block;
  background: #F1F3F5;
  color: #495057;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 13px;
  transition: all var(--transition-fast);
}

.news-tag:hover {
  background: var(--color-primary);
  color: #FFFFFF;
}

/* 上一篇 / 下一篇导航 */
.news-adjacent-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 36px;
  padding: 22px 26px;
  background: #F8F9FA;
  border-radius: 10px;
  border: 1px solid var(--color-border-light);
}

.news-adjacent-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.news-adjacent-item.next {
  text-align: right;
}

.adjacent-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.news-adjacent-item.next .adjacent-label {
  justify-content: flex-end;
}

.adjacent-link {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--color-text-title);
  line-height: 1.45;
  transition: color var(--transition-fast);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.adjacent-link:hover {
  color: var(--color-primary);
}

.adjacent-none {
  font-size: 14px;
  color: #ADB5BD;
}

/* 相关资讯推荐 */
.news-related-section {
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--color-border-light);
}

.news-related-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.related-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-text-title);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.related-title i {
  color: var(--color-primary);
}

.related-more {
  font-size: 13.5px;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  transition: gap var(--transition-fast);
}

.related-more:hover {
  gap: 8px;
}

.news-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.related-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(200, 22, 29, 0.3);
}

.related-img-box {
  width: 100%;
  height: 130px;
  overflow: hidden;
}

.related-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

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

.related-info {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.related-cat {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.related-heading {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-title);
  line-height: 1.45;
  margin-bottom: 12px;
  flex-grow: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  transition: color var(--transition-fast);
}

.related-card:hover .related-heading {
  color: var(--color-primary);
}

.related-date {
  font-size: 12px;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   资讯详情页侧边栏 (Sidebar)
   ========================================================================== */
.news-detail-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: calc(var(--header-height, 80px) + 30px);
}

.news-sidebar-card {
  background: var(--color-bg-white);
  border-radius: 12px;
  border: 1px solid var(--color-border-light);
  padding: 28px 24px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
}

.sidebar-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--color-border-light);
}

.sidebar-card-header i {
  font-size: 20px;
  color: var(--color-primary);
}

.sidebar-card-header h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text-title);
  margin: 0;
}

/* 咨询卡片 */
.consult-card {
  background: linear-gradient(180deg, #FFFFFF 0%, #FDF8F8 100%);
  border-color: rgba(200, 22, 29, 0.15);
}

.consult-desc {
  font-size: 13.5px;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 18px;
}

.consult-phone-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 22px;
}

.consult-phone-main {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #A00F15 100%);
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 700;
  padding: 12px 16px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(200, 22, 29, 0.25);
  transition: all var(--transition-fast);
}

.consult-phone-main:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(200, 22, 29, 0.35);
  color: #FFFFFF;
}

.consult-phone-sub {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: #F1F3F5;
  color: var(--color-text-body);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.consult-phone-sub:hover {
  background: #E9ECEF;
  color: var(--color-primary);
}

.sidebar-qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 16px;
  border-top: 1px dashed var(--color-border-light);
  gap: 8px;
}

.sidebar-qr-box img {
  width: 120px;
  height: 120px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--color-border-light);
}

.sidebar-qr-box span {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* 热门推荐卡片 */
.hot-news-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hot-news-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.hot-rank {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  background: #E9ECEF;
  color: var(--color-text-muted);
  flex-shrink: 0;
  margin-top: 2px;
}

.hot-rank.rank-1 {
  background: var(--color-primary);
  color: #FFFFFF;
}

.hot-rank.rank-2 {
  background: #E55A5F;
  color: #FFFFFF;
}

.hot-rank.rank-3 {
  background: #FFA940;
  color: #FFFFFF;
}

.hot-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-grow: 1;
}

.hot-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-text-title);
  line-height: 1.45;
  transition: color var(--transition-fast);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.hot-title:hover {
  color: var(--color-primary);
}

.hot-date {
  font-size: 11.5px;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* 核心产品直达卡片 */
.quick-products-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quick-product-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: #F8F9FA;
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  transition: all var(--transition-fast);
}

.quick-product-item:hover {
  background: #FFFFFF;
  border-color: var(--color-primary);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.quick-product-item > i:first-child {
  font-size: 22px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.quick-prod-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 2px;
}

.quick-prod-info strong {
  font-size: 13.5px;
  color: var(--color-text-title);
}

.quick-prod-info span {
  font-size: 11.5px;
  color: var(--color-text-muted);
}

.quick-product-item > i:last-child {
  font-size: 16px;
  color: #ADB5BD;
  transition: transform var(--transition-fast);
}

.quick-product-item:hover > i:last-child {
  transform: translateX(3px);
  color: var(--color-primary);
}

/* ==========================================================================
   全功能联系与留言专栏 (Contact & Form)
   ========================================================================== */
.contact-section-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  background: var(--color-bg-white);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
}

.contact-info-panel {
  background: linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-primary-dark) 60%, var(--color-primary) 100%);
  color: #FFFFFF;
  padding: 60px 50px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

/* 在线高德地图嵌入面板 */
.contact-info-panel.map-panel {
  padding: 0;
  background: #F1F5F9;
  min-height: 560px;
  position: relative;
  overflow: hidden;
  border-radius: 8px 0 0 8px;
}

.contact-info-panel.map-panel::before {
  display: none;
}

.contact-info-panel.map-panel iframe {
  width: 100%;
  height: 100%;
  min-height: 560px;
  border: 0;
  display: block;
}

@media (max-width: 991px) {
  .contact-info-panel.map-panel {
    border-radius: 8px 8px 0 0;
    min-height: 450px;
  }
  .contact-info-panel.map-panel iframe {
    min-height: 450px;
  }
}

.contact-info-panel::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.1);
  pointer-events: none;
}

.contact-info-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.contact-info-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  margin-bottom: 40px;
}

.contact-methods-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.contact-method-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.contact-icon-box {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-gold);
}

.contact-icon-box svg,
.contact-icon-box i {
  width: 22px;
  height: 22px;
  font-size: 24px;
  line-height: 1;
  fill: currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-text-box h5 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-gold-light);
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}

.contact-text-box p {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
}

.contact-form-panel {
  padding: 60px 50px;
}

.form-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 10px;
}

.form-subtitle {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 30px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group.full {
  grid-column: span 2;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-title);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  background: #F5F7FA;
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  font-size: 15px;
  color: var(--color-text-title);
  transition: all var(--transition-fast);
}

.form-control:focus {
  background: #FFFFFF;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(200, 22, 29, 0.15);
}

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

/* ==========================================================================
   子页面极简面包屑栏 (Subpage Breadcrumb Bar)
   完全去除黑色Banner，在左上角呈现清爽简洁的小字面包屑导航
   ========================================================================== */
.subpage-breadcrumb-bar {
  padding-top: calc(var(--header-height) + var(--header-top-height) + 16px);
  padding-bottom: 14px;
  background-color: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border-light);
}

.subpage-breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.subpage-breadcrumb-nav a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.subpage-breadcrumb-nav .sep {
  color: #B8C0CC;
  font-size: 11px;
}

.subpage-breadcrumb-nav .current {
  color: var(--color-text-title);
  font-weight: 600;
}

.subpage-main {
  padding-top: 48px;
}

/* ==========================================================================
   全站宏伟页脚 (Footer)
   ========================================================================== */
.site-footer {
  background: #0B0E12;
  color: var(--color-text-light-muted);
  padding: 80px 0 30px;
  border-top: 3px solid var(--color-primary);
  position: relative;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 50px;
  margin-bottom: 60px;
}

.footer-col-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.footer-col-brand .footer-logo img {
  height: 48px;
  width: auto;
}

.footer-brand-title {
  font-size: 20px;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: 1px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
}

.footer-heading {
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2.5px;
  background: var(--color-primary);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link-item a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-link-item a:hover {
  color: var(--color-gold);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 14px;
  color: #FFFFFF;
  line-height: 1.6;
}

.footer-contact-item span {
  color: rgba(255, 255, 255, 0.92);
}

.footer-contact-item svg,
.footer-contact-item i {
  width: 18px;
  height: 18px;
  font-size: 18px;
  line-height: 1;
  fill: var(--color-gold);
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.footer-qr-box {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
  background: rgba(255, 255, 255, 0.05);
  padding: 14px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-qr-img {
  width: 80px;
  height: 80px;
  background: #fff;
  padding: 4px;
  border-radius: 4px;
}

.footer-qr-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-qr-text {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.4;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a:hover {
  color: var(--color-gold);
}

/* ==========================================================================
   右下角固定悬浮快捷按钮 (Floating Action Buttons)
   需求4：联系电话、企业微信、回到顶部
   ========================================================================== */
.floating-actions-bar {
  position: fixed;
  bottom: 40px;
  right: 32px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.float-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--color-bg-white);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border-light);
}

.float-btn svg,
.float-btn i {
  width: 24px;
  height: 24px;
  font-size: 24px;
  line-height: 1;
  fill: currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.float-btn:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 10px 25px rgba(200, 22, 29, 0.4);
}

.float-btn:hover svg,
.float-btn:hover i {
  transform: scale(1.12);
}

.float-btn-wechat {
  color: #07C160;
}

.float-btn-wechat:hover {
  background: #07C160;
  color: #FFFFFF;
  box-shadow: 0 10px 25px rgba(7, 193, 96, 0.4);
}

/* 电话悬浮卡片 */
.float-phone-card {
  position: absolute;
  right: 68px;
  top: 50%;
  transform: translateY(-50%) translateX(10px);
  background: #FFFFFF;
  padding: 16px 20px;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-border-light);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
}

.float-btn:hover .float-phone-card {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) translateX(0);
}

.float-phone-card h6 {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.float-phone-card a.num {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-primary);
  display: block;
}

.float-phone-card a.sub-num {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-title);
  margin-top: 4px;
  display: block;
}

/* 微信二维码悬浮卡片 */
.float-wechat-card {
  position: absolute;
  right: 68px;
  top: 50%;
  transform: translateY(-50%) translateX(10px);
  background: #FFFFFF;
  padding: 16px;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-border-light);
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
  width: 170px;
}

.float-btn:hover .float-wechat-card {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) translateX(0);
}

.float-wechat-card img {
  width: 130px;
  height: 130px;
  margin: 0 auto 8px;
  display: block;
}

.float-wechat-card p {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-title);
  line-height: 1.3;
}

/* 回到顶部按钮 */
.float-btn-top {
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  background: #FFFFFF;
  color: #3E4654;
  border: 1px solid var(--color-border-light);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.float-btn-top i {
  font-size: 28px;
  transition: transform var(--transition-fast);
}

.float-btn-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.float-btn-top:hover {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  color: #FFFFFF;
  border-color: var(--color-primary);
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 10px 25px rgba(200, 22, 29, 0.45);
}

.float-btn-top:hover i {
  transform: translateY(-3px);
}

/* ==========================================================================
   图片大图预览弹窗 (Lightbox Modal)
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(14, 18, 23, 0.95);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  padding: 40px;
}

.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content-box {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  border: 2px solid var(--color-gold);
}

.lightbox-title {
  color: #FFFFFF;
  font-size: 18px;
  font-weight: 700;
  margin-top: 16px;
  letter-spacing: 1px;
}

.lightbox-close-btn {
  position: absolute;
  top: -48px;
  right: -20px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.28);
  outline: none;
  padding: 0;
  margin: 0;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  z-index: 100;
  box-sizing: border-box;
  line-height: 1;
}

.lightbox-close-btn svg,
.lightbox-close-btn i {
  width: 20px;
  height: 20px;
  font-size: 22px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
  transition: transform var(--transition-fast);
  margin: 0;
  padding: 0;
  flex-shrink: 0;
}

.lightbox-close-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(200, 22, 29, 0.5);
}

.lightbox-close-btn:hover svg,
.lightbox-close-btn:hover i {
  transform: rotate(90deg);
}

.news-modal-close {
  top: 16px !important;
  right: 16px !important;
  color: #334155 !important;
  background: #F1F5F9 !important;
  border: 1px solid #CBD5E1 !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
}

.news-modal-close:hover {
  background: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  color: #FFFFFF !important;
}

/* ==========================================================================
   企业文化与宏伟愿景 (Enterprise Culture & Vision Section)
   ========================================================================== */
.culture-section {
  position: relative;
  overflow: hidden;
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.culture-card {
  background: #FFFFFF;
  border-radius: 12px;
  padding: 36px 26px 30px;
  border: 1px solid var(--color-border-light);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  position: relative;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.culture-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-primary);
  transition: height var(--transition-fast);
}

.culture-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.09);
  border-color: rgba(200, 22, 29, 0.25);
}

.culture-card:hover::before {
  height: 6px;
}

.culture-card.theme-gold::before {
  background: linear-gradient(90deg, #D4AF37, #F5D77F);
}

.culture-card.theme-blue::before {
  background: linear-gradient(90deg, #1E3A8A, #3B82F6);
}

.culture-card.theme-red-gold::before {
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
}

.culture-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: transform var(--transition-fast);
}

.culture-icon-box svg,
.culture-icon-box i {
  width: 26px;
  height: 26px;
  font-size: 28px;
  line-height: 1;
  fill: currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
}

.culture-card:hover .culture-icon-box {
  transform: scale(1.08) rotate(3deg);
}

.culture-card.theme-red .culture-icon-box {
  background: rgba(200, 22, 29, 0.08);
  color: var(--color-primary);
}

.culture-card.theme-gold .culture-icon-box {
  background: rgba(212, 175, 55, 0.12);
  color: var(--color-gold-dark);
}

.culture-card.theme-blue .culture-icon-box {
  background: rgba(30, 58, 138, 0.08);
  color: #1E3A8A;
}

.culture-card.theme-red-gold .culture-icon-box {
  background: linear-gradient(135deg, rgba(200, 22, 29, 0.1), rgba(212, 175, 55, 0.15));
  color: var(--color-primary);
}

.culture-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
  font-family: var(--font-en);
}

.culture-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.culture-desc {
  font-size: 14.5px;
  color: var(--color-text-body);
  line-height: 1.7;
  flex: 1;
}

.culture-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--color-border-light);
}

.culture-tag-item {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: #F8FAFC;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-title);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.culture-card.theme-red-gold .culture-tag-item {
  background: rgba(200, 22, 29, 0.04);
  color: var(--color-primary);
  border-color: rgba(200, 22, 29, 0.12);
}

/* ==========================================================================
   关于我们 - 企业实景轮播组件 (About Page Carousel)
   ========================================================================== */
.about-profile-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-carousel {
  position: relative;
  width: 100%;
  height: 480px;
  min-height: 440px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #11141A;
  user-select: none;
}

.about-carousel-viewport {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.about-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.8s;
  z-index: 1;
}

.about-carousel-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.about-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
  transition: transform 6s cubic-bezier(0.25, 1, 0.5, 1);
  display: block;
  cursor: pointer;
}

.about-carousel-slide.active img {
  transform: scale(1);
}

/* 底部微毛玻璃渐变遮罩与文字说明 */
.about-carousel-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  padding: 38px 24px 24px;
  background: linear-gradient(to top, rgba(14, 18, 23, 0.92) 0%, rgba(14, 18, 23, 0.55) 60%, transparent 100%);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  pointer-events: none;
}

.caption-inner {
  transform: translateY(10px);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(0.2, 0.9, 0.3, 1) 0.15s, opacity 0.5s ease 0.15s;
}

.about-carousel-slide.active .caption-inner {
  transform: translateY(0);
  opacity: 1;
}

.caption-title {
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 5px;
  letter-spacing: 0.5px;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
}

.caption-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.5;
  margin: 0;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

/* 角标：右上角实景展示与序号 */
.about-carousel-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 5px 12px;
  border-radius: 20px;
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  pointer-events: none;
}

.badge-live-pulse {
  width: 7px;
  height: 7px;
  background: #22C55E;
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.35);
  animation: badgePulse 2s infinite ease-in-out;
}

@keyframes badgePulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.35);
    opacity: 0.6;
  }
}

.badge-counter {
  font-family: var(--font-en);
  font-size: 12px;
}

.badge-counter .current-idx {
  color: var(--color-gold-light, #E6C875);
  font-weight: 700;
}

/* 左右箭头导航 */
.about-carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(20, 24, 30, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: background var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  opacity: 0.75;
}

.about-carousel:hover .about-carousel-arrow {
  opacity: 1;
}

.about-carousel-arrow:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 4px 14px rgba(200, 22, 29, 0.45);
}

.about-carousel-arrow.prev-arrow {
  left: 14px;
}

.about-carousel-arrow.next-arrow {
  right: 14px;
}

/* 底部指示器指示条 / 药丸点 */
.about-carousel-indicators {
  position: absolute;
  bottom: 14px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 10;
}

.indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.35);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.35s ease;
  outline: none;
}

.indicator-dot:hover {
  background: rgba(255, 255, 255, 0.7);
}

.indicator-dot.active {
  width: 24px;
  background: var(--color-primary);
  box-shadow: 0 2px 6px rgba(200, 22, 29, 0.5);
}

/* 底部轻量加载进度条 */
.about-carousel-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.15);
  z-index: 10;
  overflow: hidden;
}

.about-carousel-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
  transition: width 0.1s linear;
}

/* ==========================================================================
   RemixIcon 矢量图标系统适配与动效规范
   ========================================================================== */
.btn-prime i,
.btn-outline i,
.news-link i,
.prod-modal-btn i {
  font-size: 16px;
  line-height: 1;
  margin-left: 6px;
  vertical-align: middle;
  display: inline-flex;
  transition: transform var(--transition-fast);
}

.btn-prime:hover i,
.btn-outline:hover i,
.news-link:hover i,
.prod-modal-btn:hover i {
  transform: translateX(4px);
}

.cert-tab-btn i {
  font-size: 17px;
  margin-right: 4px;
  line-height: 1;
  display: inline-flex;
  vertical-align: -1px;
}

.honor-zoom-btn i {
  font-size: 15px;
  margin-right: 4px;
  line-height: 1;
  display: inline-flex;
  vertical-align: -1px;
}

.about-carousel-prev i,
.about-carousel-next i {
  font-size: 20px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   发展历程时间轴 (Milestones Timeline)
   ========================================================================== */
.milestones-timeline {
  margin-top: 100px;
}

.timeline-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 0;
}

/* 纵向中轴线 */
.timeline-track {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-gold) 100%);
  transform: translateX(-50%);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 50px;
  display: flex;
  width: 100%;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item-left {
  justify-content: flex-start;
  padding-right: 55%;
}

.timeline-item-right {
  justify-content: flex-end;
  padding-left: 55%;
}

.timeline-card {
  background: #FFFFFF;
  padding: 26px 30px;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  width: 100%;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-normal);
}

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

.timeline-item-left .timeline-card {
  border-left: 4px solid var(--color-primary);
}

.timeline-item-right .timeline-card {
  border-right: 4px solid var(--color-gold);
}

.timeline-year {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-primary);
  font-family: var(--font-en);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.timeline-year.year-gold {
  color: var(--color-gold-dark, #B8860B);
}

.timeline-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 8px;
  line-height: 1.4;
}

.timeline-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* 轴心圆点 */
.timeline-dot {
  position: absolute;
  top: 30px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 4px solid #FFFFFF;
  z-index: 2;
}

.timeline-item-left .timeline-dot {
  right: calc(50% - 10px);
  background: var(--color-primary);
  box-shadow: 0 0 10px var(--color-primary);
}

.timeline-item-right .timeline-dot {
  left: calc(50% - 10px);
  background: var(--color-gold);
  box-shadow: 0 0 10px var(--color-gold);
}

/* ==========================================================================
   央企国企标杆客户与战略合作品牌 (Strategic Partners & Clients Marquee)
   ========================================================================== */
.clients-section {
  padding: 90px 0 100px;
  background: var(--color-bg-white);
  position: relative;
}

.clients-marquee-container {
  width: 100%;
  position: relative;
  margin-top: 45px;
}

.clients-marquee-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 16px 0;
}

/* 左右边缘优雅线性渐变羽化遮罩 */
.clients-marquee-wrapper::before,
.clients-marquee-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 140px;
  z-index: 3;
  pointer-events: none;
}

.clients-marquee-wrapper::before {
  left: 0;
  background: linear-gradient(90deg, #FFFFFF 0%, rgba(255, 255, 255, 0) 100%);
}

.clients-marquee-wrapper::after {
  right: 0;
  background: linear-gradient(270deg, #FFFFFF 0%, rgba(255, 255, 255, 0) 100%);
}

.marquee-row {
  display: flex;
  overflow: visible;
  padding: 6px 0;
  margin-bottom: 14px;
  user-select: none;
}

.marquee-row:last-child {
  margin-bottom: 0;
}

.marquee-track {
  display: flex;
  width: max-content;
  will-change: transform;
}

/* 上行向左平滑无缝滚动 (45s) */
.track-left {
  animation: marqueeScrollLeft 45s linear infinite;
}

/* 下行向右平滑无缝滚动 (45s) */
.track-right {
  animation: marqueeScrollRight 45s linear infinite;
}

/* 悬停整区或卡片时平滑暂停，便于细看 */
.clients-marquee-wrapper:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marqueeScrollLeft {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@keyframes marqueeScrollRight {
  0% {
    transform: translateX(-50%);
  }
  100% {
    transform: translateX(0);
  }
}

/* 统一规范高质感 Logo 药丸卡片 */
.client-logo-card {
  position: relative;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 210px;
  height: 80px;
  margin: 0 12px;
  padding: 12px 24px;
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.client-logo-card:hover {
  z-index: 2;
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: 0 12px 28px rgba(200, 22, 29, 0.16);
}

.client-logo-img {
  max-width: 160px;
  max-height: 48px;
  object-fit: contain;
  filter: grayscale(12%) contrast(1.02);
  transition: filter var(--transition-fast), transform var(--transition-fast);
}

.client-logo-card:hover .client-logo-img {
  filter: grayscale(0%) contrast(1.08);
  transform: scale(1.03);
}