/**
 * 现代高科技工业美学样式表 (Modern Tech-Industrial Design System)
 * 具备：科技感微光质感、精细矢量图标排版、适老舒适大字号、阿拉伯语RTL自适应
 */

:root {
  /* 科技工业配色系统 */
  --color-bg-dark: #090e17;        /* 深邃科技黑夜背景 */
  --color-bg-navy: #0f172a;        /* 工业蓝黑中度深色 */
  --color-bg-surface: #1e293b;     /* 深色卡片背景 */
  --color-bg-light: #f8fafc;       /* 浅色展厅背景 */
  --color-bg-card: #ffffff;        /* 浮雕白卡 */
  
  --color-primary: #1d4ed8;        /* 工业电光蓝 */
  --color-primary-light: #38bdf8;  /* 科技青蓝微光 */
  --color-accent: #ea580c;         /* 工业钛金橙 (磨料/呼叫高光) */
  --color-accent-gold: #f59e0b;    /* 质感琥珀金 */
  --color-success: #10b981;        /* 官方核验证书绿 */
  --color-wechat: #07c160;         /* 微信品牌绿 */

  --color-text-dark-primary: #0f172a;  /* 白天主文字 (顶级对比) */
  --color-text-dark-secondary: #475569;/* 白天副文字 */
  --color-text-light-primary: #f8fafc; /* 夜间主文字 */
  --color-text-light-secondary: #94a3b8;/* 夜间副文字 */
  
  --color-border-light: #e2e8f0;
  --color-border-dark: rgba(255, 255, 255, 0.12);
  --color-border-glow: rgba(56, 189, 248, 0.3);

  /* 阴影与微光系统 */
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.06);
  --shadow-card: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 20px 35px -5px rgba(15, 76, 129, 0.18), 0 10px 15px -5px rgba(15, 76, 129, 0.08);
  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.25);

  /* 适老与舒适大字号层级 */
  --font-base: 17px;
  --line-height-base: 1.68;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --touch-target: 48px;
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: var(--font-base);
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", "Noto Sans Arabic", "Noto Sans Thai", "Sarabun", "Leelawadee UI", sans-serif;
  color: var(--color-text-dark-primary);
  background-color: var(--color-bg-light);
}

/* RTL 阿拉伯语自适应 */
html[dir="rtl"] {
  direction: rtl;
  text-align: right;
}

html[dir="rtl"] .brand-logo,
html[dir="rtl"] .btn,
html[dir="rtl"] .nav-inner,
html[dir="rtl"] .spec-line,
html[dir="rtl"] .feature-header {
  flex-direction: row-reverse;
}

body {
  line-height: var(--line-height-base);
  overflow-x: hidden;
  padding-bottom: 84px;
  background-color: #f8fafc;
}

@media (min-width: 769px) {
  body {
    padding-bottom: 0;
  }
}

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

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

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* 矢量图标通用规格 */
.svg-icon {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex-shrink: 0;
  vertical-align: middle;
}

.svg-icon-lg {
  width: 28px;
  height: 28px;
}

.svg-icon-sm {
  width: 18px;
  height: 18px;
}

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 28px;
  }
}

@media (min-width: 1200px) {
  .container {
    padding: 0 36px;
  }
}

/* =========================================
   现代科技导航栏 (Glassmorphic Dark Header)
   ========================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 14, 23, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

@media (min-width: 768px) {
  .nav-inner {
    height: 76px;
  }
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

@media (min-width: 768px) {
  .brand-logo {
    gap: 14px;
  }
}

.brand-icon-box {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #0284c7 100%);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.25);
  flex-shrink: 0;
  padding: 4px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.brand-icon-box:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 22px rgba(56, 189, 248, 0.6);
}

.brand-icon-box svg {
  width: 100%;
  height: 100%;
  display: block;
}

@media (min-width: 768px) {
  .brand-icon-box {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    padding: 5px;
  }
}

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

.brand-name {
  font-size: 15px;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: -0.2px;
  line-height: 1.2;
  white-space: nowrap;
}

@media (min-width: 420px) {
  .brand-name {
    font-size: 17px;
  }
}

@media (min-width: 768px) {
  .brand-name {
    font-size: 21px;
  }
}

.brand-sub {
  display: none;
  font-size: 13px;
  color: #94a3b8;
  font-weight: 500;
  letter-spacing: 0.3px;
}

@media (min-width: 600px) {
  .brand-sub {
    display: block;
  }
}

.nav-links {
  display: none;
  align-items: center;
  gap: 8px;
}

@media (min-width: 960px) {
  .nav-links {
    display: flex;
  }
}

.nav-item {
  font-size: 17px;
  font-weight: 600;
  color: #cbd5e1;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.nav-item:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

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

/* 导航栏中英双语链接 */
.bilingual-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  line-height: 1.15;
}

.bilingual-nav .zh {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.2px;
}

.bilingual-nav .en {
  font-size: 11px;
  font-weight: 500;
  color: #94a3b8;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-item:hover .bilingual-nav .en {
  color: #38bdf8;
}

/* 顶部导航直联洽谈按钮 (替代原语言切换按钮) */
.nav-contact-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  min-height: 40px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(2, 132, 199, 0.25));
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 10px;
  color: #ffffff;
  transition: all 0.25s ease;
  flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.2);
}

@media (min-width: 768px) {
  .nav-contact-btn {
    padding: 7px 18px;
    min-height: 44px;
    border-radius: 12px;
  }
}

.nav-contact-btn:hover {
  background: linear-gradient(135deg, #1d4ed8, #0284c7);
  border-color: #38bdf8;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.4);
  color: #ffffff;
}

.nav-contact-btn .svg-icon {
  color: #38bdf8;
  transition: color 0.2s;
}

.nav-contact-btn:hover .svg-icon {
  color: #ffffff;
}

.nav-contact-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.15;
}

.nav-contact-text .zh {
  font-size: 14.5px;
  font-weight: 800;
  color: #ffffff;
}

.nav-contact-text .en {
  font-size: 10.5px;
  font-weight: 500;
  color: #93c5fd;
  letter-spacing: 0.3px;
}

/* =========================================
   全局“上面中文，下面英文”双语通用设计体系
   ========================================= */
.bilingual-col {
  display: flex;
  flex-direction: column;
}

.bilingual-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* 按钮内部双语排版 */
.btn-bilingual {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.2;
}

.btn-bilingual .zh {
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.btn-bilingual .en {
  font-size: 11.5px;
  font-weight: 500;
  opacity: 0.88;
  letter-spacing: 0.4px;
  margin-top: 1px;
}

/* 核心数字指示器双语 */
.stat-bilingual {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.stat-bilingual .zh {
  font-size: 11.5px;
  font-weight: 700;
  color: #ffffff;
  white-space: nowrap;
}

.stat-bilingual .en {
  font-size: 9.5px;
  font-weight: 500;
  color: #94a3b8;
  letter-spacing: 0.2px;
  margin-top: 2px;
  white-space: nowrap;
}

@media (min-width: 768px) {
  .stat-bilingual .zh {
    font-size: 14px;
  }
  .stat-bilingual .en {
    font-size: 11px;
  }
}

/* Hero Pill 双语 */
.hero-pill-bilingual {
  display: flex;
  flex-direction: column;
  line-height: 1.35;
  text-align: center;
}

.hero-pill-bilingual .zh {
  font-size: 15px;
  font-weight: 800;
  color: #7dd3fc;
}

.hero-pill-bilingual .en {
  font-size: 11.5px;
  font-weight: 500;
  color: #bae6fd;
  opacity: 0.85;
  letter-spacing: 0.3px;
  margin-top: 2px;
}

/* 标题双语 (大标题) */
.title-bilingual {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.title-bilingual .zh {
  display: block;
}

.title-bilingual .en {
  display: block;
  font-size: 0.45em;
  font-weight: 500;
  letter-spacing: 0.5px;
  opacity: 0.8;
  margin-top: 6px;
  line-height: 1.3;
}

/* 副标题双语 */
.desc-bilingual {
  display: flex;
  flex-direction: column;
  gap: 6px;
  line-height: 1.6;
}

.desc-bilingual .zh {
  display: block;
}

.desc-bilingual .en {
  display: block;
  font-size: 0.82em;
  line-height: 1.5;
  opacity: 0.82;
  font-weight: 400;
}

/* 板块标题双语 */
.section-title-bilingual {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.25;
}

.section-title-bilingual .zh {
  font-size: 28px;
  font-weight: 900;
  color: var(--color-text-dark-primary);
}

@media (min-width: 768px) {
  .section-title-bilingual .zh {
    font-size: 34px;
  }
}

.section-title-bilingual .en {
  font-size: 14.5px;
  font-weight: 600;
  color: #64748b;
  letter-spacing: 0.4px;
  margin-top: 4px;
  text-transform: uppercase;
}

.section-subtitle-bilingual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  margin-top: 10px;
}

.section-subtitle-bilingual .zh {
  font-size: 16.5px;
  color: #334155;
  font-weight: 500;
}

.section-subtitle-bilingual .en {
  font-size: 13.5px;
  color: #64748b;
  font-weight: 400;
}

/* 分类筛选胶囊双语 */
.filter-pill {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 6px 14px;
  min-height: 42px;
  line-height: 1.2;
}

.filter-pill .zh {
  font-size: 13.5px;
  font-weight: 800;
}

.filter-pill .en {
  font-size: 10px;
  font-weight: 500;
  opacity: 0.8;
  letter-spacing: 0.2px;
  margin-top: 1px;
}

.filter-pill.active .en {
  opacity: 0.95;
}

@media (min-width: 768px) {
  .filter-pill {
    padding: 8px 22px;
    min-height: 54px;
  }
  .filter-pill .zh {
    font-size: 15.5px;
  }
  .filter-pill .en {
    font-size: 11px;
    margin-top: 2px;
  }
}

/* 产品卡片双语元素 */
.card-title-bilingual {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.card-title-bilingual .zh {
  font-size: 19px;
  font-weight: 900;
  color: var(--color-text-dark-primary);
  transition: color 0.2s;
}

.card-title-bilingual .en {
  font-size: 12.5px;
  font-weight: 500;
  color: #64748b;
  margin-top: 3px;
  line-height: 1.35;
}

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

.card-sub-bilingual {
  display: flex;
  flex-direction: column;
  line-height: 1.35;
  margin-bottom: 14px;
}

.card-sub-bilingual .zh {
  font-size: 14px;
  font-weight: 700;
  color: #ea580c;
}

.card-sub-bilingual .en {
  font-size: 11.5px;
  font-weight: 500;
  color: #c2410c;
  opacity: 0.9;
  margin-top: 2px;
}

/* 产品卡片按钮双语 */
.card-btn-bilingual {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.15;
}

.card-btn-bilingual .zh {
  font-size: 13.5px;
  font-weight: 800;
}

.card-btn-bilingual .en {
  font-size: 10px;
  font-weight: 500;
  opacity: 0.85;
}

/* 参数弹窗双语表格与描述 */
.modal-desc-bilingual {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.modal-desc-bilingual .zh {
  font-size: 13.5px;
  line-height: 1.65;
  color: #334155;
}

.modal-desc-bilingual .en {
  font-size: 11.5px;
  line-height: 1.55;
  color: #64748b;
  border-top: 1px dashed #e2e8f0;
  padding-top: 6px;
}

.spec-bilingual-label {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.spec-bilingual-label .zh {
  font-size: 13px;
  font-weight: 700;
  color: #1e293b;
}

.spec-bilingual-label .en {
  font-size: 10.5px;
  font-weight: 500;
  color: #64748b;
}

.spec-bilingual-value {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.spec-bilingual-value .zh {
  font-size: 13px;
  font-weight: 600;
  color: #334155;
}

.spec-bilingual-value .en {
  font-size: 11px;
  font-weight: 400;
  color: #64748b;
  margin-top: 2px;
}


/* =========================================
   Hero 首屏 (沉浸式深色工业科技舞台)
   ========================================= */
.hero-section {
  position: relative;
  padding: 24px 0 20px;
  background: radial-gradient(circle at 50% 20%, #1e3a8a 0%, #0b1329 55%, #070b14 100%);
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero-section {
    padding: 60px 0 52px;
  }
}

/* 工业几何光效底纹 */
.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 940px;
  margin: 0 auto;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: rgba(37, 99, 235, 0.2);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: var(--radius-full);
  color: #7dd3fc;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
  backdrop-filter: blur(8px);
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.2);
}

@media (min-width: 768px) {
  .hero-pill {
    gap: 10px;
    padding: 8px 22px;
    font-size: 16px;
    margin-bottom: 24px;
  }
}

.hero-title {
  font-size: 22px;
  line-height: 1.35;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

@media (min-width: 480px) {
  .hero-title {
    font-size: 30px;
    margin-bottom: 14px;
  }
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 46px;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
  }
}

.hero-desc {
  font-size: 13px;
  line-height: 1.55;
  color: #cbd5e1;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .hero-desc {
    font-size: 18px;
    line-height: 1.75;
    margin-bottom: 36px;
  }
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
  margin-bottom: 44px;
}

@media (min-width: 560px) {
  .hero-buttons {
    flex-direction: row;
    gap: 20px;
  }
}

/* 现代按钮设计 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 12px 30px;
  border-radius: var(--radius-md);
  font-size: 18px;
  font-weight: 800;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #0284c7);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(37, 99, 235, 0.5);
  background: linear-gradient(135deg, #1d4ed8, #0369a1);
}

.btn-accent {
  background: linear-gradient(135deg, #ea580c, #f59e0b);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(234, 88, 12, 0.35);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(234, 88, 12, 0.45);
}

.btn-outline-dark {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
}

.btn-outline-dark:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: #38bdf8;
  color: #38bdf8;
}

.btn-wechat {
  background: linear-gradient(135deg, #07c160, #059669);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(7, 193, 96, 0.35);
}

.btn-wechat:hover {
  background: linear-gradient(135deg, #06ad56, #047857);
}

/* 核心数字指示器 (发光科技卡片) */
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 4px;
  border-radius: var(--radius-md);
  text-align: center;
  min-width: 0;
}

.stat-number {
  font-size: 22px;
  font-weight: 900;
  color: #38bdf8;
  line-height: 1.15;
  text-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
}

@media (min-width: 768px) {
  .hero-stats-grid {
    gap: 16px;
    padding-top: 28px;
  }
  .stat-item {
    padding: 16px 10px;
  }
  .stat-number {
    font-size: 38px;
  }
}

.stat-label {
  font-size: 13px;
  font-weight: 600;
  color: #cbd5e1;
  margin-top: 5px;
  line-height: 1.35;
  word-break: break-word;
  overflow-wrap: break-word;
}

@media (min-width: 768px) {
  .stat-label {
    font-size: 15px;
  }
}

/* =========================================
   通用板块规范
   ========================================= */
.section {
  padding: 64px 0;
}

.section-alt {
  background-color: #f8fafc;
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
}

/* 核心产品展厅专属立体微渐变底色 (与白色卡片形成强对比与立体阴影) */
#products {
  background: linear-gradient(180deg, #f8fafc 0%, #eef2f6 50%, #f1f5f9 100%);
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
}

#about {
  background-color: #ffffff;
}

#contact {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

.section-header {
  text-align: center;
  margin-bottom: 44px;
}

.section-title {
  font-size: 30px;
  font-weight: 900;
  color: var(--color-text-dark-primary);
  line-height: 1.3;
  margin-bottom: 12px;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 36px;
  }
}

.section-subtitle {
  font-size: 18px;
  color: var(--color-text-dark-secondary);
  max-width: 740px;
  margin: 0 auto;
}

/* =========================================
   核心优势卡片组 (精细矢量图标与立体微光)
   ========================================= */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  background: #ffffff;
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-card);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: #93c5fd;
  box-shadow: var(--shadow-hover);
}

.feature-icon-box {
  width: 50px;
  height: 50px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.feature-icon-box svg {
  width: 25px;
  height: 25px;
}

.feature-card:hover .feature-icon-box {
  transform: scale(1.08);
}

/* 4大核心优势多维色彩微徽章 */
.feat-blue .feature-icon-box {
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}
.feat-blue:hover {
  border-color: #93c5fd;
}

.feat-emerald .feature-icon-box {
  background: linear-gradient(135deg, #ecfdf5, #d1fae5);
  color: #059669;
  border: 1px solid #a7f3d0;
}
.feat-emerald:hover {
  border-color: #6ee7b7;
}

.feat-amber .feature-icon-box {
  background: linear-gradient(135deg, #fffbeb, #fef3c7);
  color: #d97706;
  border: 1px solid #fde68a;
}
.feat-amber:hover {
  border-color: #fcd34d;
}

.feat-purple .feature-icon-box {
  background: linear-gradient(135deg, #f5f3ff, #ede9fe);
  color: #7c3aed;
  border: 1px solid #ddd6fe;
}
.feat-purple:hover {
  border-color: #c4b5fd;
}

.feature-content {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.feature-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-text-dark-primary);
  margin-bottom: 0;
  line-height: 1.35;
}

.feature-desc {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--color-text-dark-secondary);
  margin: 0;
}

/* =========================================
   产品展厅 (Product Showcase)
   ========================================= */
.category-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  min-height: 48px;
  border-radius: var(--radius-full);
  font-size: 17px;
  font-weight: 700;
  background: #ffffff;
  border: 2px solid #cbd5e1;
  color: var(--color-text-dark-primary);
  transition: all 0.25s;
}

.filter-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-pill.active {
  background: linear-gradient(135deg, #1d4ed8, #0284c7);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.3);
}

.filter-pill[data-category="abrasives"].active {
  background: linear-gradient(135deg, #d97706, #f59e0b);
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
}

.filter-pill[data-category="machinery"].active {
  background: linear-gradient(135deg, #1d4ed8, #0284c7);
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.35);
}

.filter-pill[data-category="booths"].active {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
}

.filter-pill[data-category="adhesives"].active {
  background: linear-gradient(135deg, #059669, #10b981);
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.35);
}

.filter-pill[data-category="coatings"].active {
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.filter-pill[data-category="packaging"].active {
  background: linear-gradient(135deg, #0891b2, #06b6d4);
  box-shadow: 0 4px 14px rgba(8, 145, 178, 0.35);
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (min-width: 1260px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
}

/* 产品卡片 (大图、大字、无缝融合) */
.product-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.1);
  border-color: #93c5fd;
}

/* =========================================
   三大产品品类专属色彩律动 (Category Chromatic Rhythm)
   ========================================= */
/* 1. 研磨材料 (Abrasives) - 工业钛金金橙 */
.card-cat-abrasives {
  border-top: 4px solid #f59e0b;
}
.card-cat-abrasives:hover {
  border-top-color: #d97706;
}
.cat-tag-abrasives {
  background: #fef3c7 !important;
  color: #b45309 !important;
  border-color: #fde68a !important;
}

/* 2. 涂装机械设备 (Machinery) - 现代工业电光蓝 */

  /* 喷枪与供漆系统 (Spraying) - 精密流体蓝青 */
  .card-cat-spraying {
    border-top: 4px solid #0284c7;
  }
  .card-cat-spraying:hover {
    border-top-color: #0369a1;
  }
  .cat-tag-spraying {
    background: #f0f9ff !important;
    color: #0369a1 !important;
    border-color: #bae6fd !important;
  }

  .card-cat-machinery {
  border-top: 4px solid #2563eb;
}
.card-cat-machinery:hover {
  border-top-color: #1d4ed8;
}
.cat-tag-machinery {
  background: #eff6ff !important;
  color: #1d4ed8 !important;
  border-color: #bfdbfe !important;
}

/* 3. 无尘房与中央除尘 (Booths) - 环保天空蓝 */
.card-cat-booths {
  border-top: 4px solid #0284c7;
}
.card-cat-booths:hover {
  border-top-color: #0369a1;
}
.cat-tag-booths {
  background: #e0f2fe !important;
  color: #0369a1 !important;
  border-color: #bae6fd !important;
}

/* 3. 工业特种胶水 (Adhesives) - 环保科技翡翠绿 */
.card-cat-adhesives {
  border-top: 4px solid #10b981;
}
.card-cat-adhesives:hover {
  border-top-color: #059669;
}
.cat-tag-adhesives {
  background: #ecfdf5 !important;
  color: #047857 !important;
  border-color: #a7f3d0 !important;
}

/* 4. 涂料 (Coatings) - 工业高光靛蓝紫 */
.card-cat-coatings {
  border-top: 4px solid #6366f1;
}
.card-cat-coatings:hover {
  border-top-color: #4f46e5;
}
.cat-tag-coatings {
  background: #eef2ff !important;
  color: #4338ca !important;
  border-color: #c7d2fe !important;
}

/* 5. 工业包装保护膜 (Packaging) - 钛晶水青蓝 */
.card-cat-packaging {
  border-top: 4px solid #06b6d4;
}
.card-cat-packaging:hover {
  border-top-color: #0891b2;
}
.cat-tag-packaging {
  background: #ecfeff !important;
  color: #0e7490 !important;
  border-color: #a5f3fc !important;
}

/* 产品图片展示区：纯白底色与主体无缝融合，拒绝方框“塞照片”质感 */
.product-img-box {
  position: relative;
  width: 100%;
  height: 250px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: pointer;
  padding: 16px 20px 8px;
}

.product-img-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.img-zoom-hint {
  position: absolute;
  bottom: 12px;
  right: 14px;
  background: rgba(15, 23, 42, 0.78);
  color: #ffffff;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0;
  transform: translateY(6px);
  transition: all 0.25s ease;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.product-card:hover .img-zoom-hint {
  opacity: 1;
  transform: translateY(0);
}

html[dir="rtl"] .img-zoom-hint {
  right: auto;
  left: 14px;
}

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

.product-category-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  font-size: 14px;
  font-weight: 800;
  color: #1d4ed8;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 4px 12px;
  border-radius: 6px;
  margin-bottom: 12px;
}

.product-title {
  font-size: 21px;
  font-weight: 900;
  color: var(--color-text-dark-primary);
  line-height: 1.35;
  margin-bottom: 8px;
  cursor: pointer;
  transition: color 0.2s;
}

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

.product-subtitle {
  font-size: 15px;
  font-weight: 700;
  color: #ea580c;
  margin-bottom: 16px;
}

.product-tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.tag-badge {
  font-size: 13.5px;
  font-weight: 700;
  color: #1e293b;
  background: #f1f5f9;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
}

/* 首页产品卡片操作按钮组 */
.product-card-actions {
  display: flex;
  gap: 10px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid #f1f5f9;
}

@media (max-width: 420px) {
  .product-card-actions {
    flex-direction: column;
    gap: 8px;
  }
  .product-detail-btn, .product-inquire-btn {
    width: 100%;
    flex: none;
    min-height: 44px;
  }
}

.product-detail-btn {
  flex: 1;
  width: 100%;
  min-height: 44px;
  background: #f8fafc;
  color: #1e293b;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.product-detail-btn:hover {
  background: #0284c7;
  border-color: #0284c7;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.25);
}

.product-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-dark-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

.product-specs-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 22px;
}

.spec-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.6;
  margin-bottom: 8px;
}

.spec-line:last-child {
  margin-bottom: 0;
}

.spec-label {
  font-weight: 700;
  color: #64748b;
  flex-shrink: 0;
  white-space: nowrap;
}

.spec-value {
  color: #0f172a;
  font-weight: 600;
  flex: 1;
  word-break: break-word;
}

.product-action-btn {
  width: 100%;
  min-height: 50px;
  background: linear-gradient(135deg, #1d4ed8, #0284c7);
  color: #ffffff;
  border-radius: var(--radius-md);
  font-size: 17px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(29, 78, 216, 0.25);
  transition: all 0.2s;
}

.product-action-btn:hover {
  background: linear-gradient(135deg, #1e40af, #0369a1);
  box-shadow: 0 6px 16px rgba(29, 78, 216, 0.35);
}

/* =========================================
   企业实力与官方核验资质模块 (Corporate Credentials & Strength)
   ========================================= */
.company-strength-wrap {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.official-cert-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid #cbd5e1;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  overflow: hidden;
  position: relative;
}

.cert-card-header {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  color: #ffffff;
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

@media (min-width: 640px) {
  .cert-card-header {
    padding: 30px 36px;
  }
}

.cert-header-left {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cert-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cert-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.cert-pill-success {
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid #10b981;
  color: #34d399;
}

.cert-pill-gold {
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid #f59e0b;
  color: #fbbf24;
}

.cert-company-name {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.5px;
  line-height: 1.25;
  color: #ffffff;
  margin: 0;
}

/* 3大核心事实数据条 (统一信用代码、出口权、产业集群) */
.cert-facts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 20px 18px 16px;
}

@media (min-width: 640px) {
  .cert-facts-grid {
    padding: 26px 36px 20px;
  }
}

@media (min-width: 860px) {
  .cert-facts-grid {
    grid-template-columns: 1.4fr 1.3fr 1.3fr;
  }
}

.cert-fact-item {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all 0.2s ease;
}

.cert-fact-item:hover {
  border-color: #93c5fd;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
}

.cert-fact-highlight {
  background: #eff6ff;
  border-color: #bfdbfe;
}

.fact-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.fact-label {
  font-size: 14px;
  font-weight: 800;
  color: #64748b;
}

.fact-verify-tag {
  font-size: 12px;
  font-weight: 700;
  color: #059669;
  background: #d1fae5;
  padding: 2px 8px;
  border-radius: 4px;
}

.fact-val-code-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.fact-val-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 20px;
  font-weight: 900;
  color: #1d4ed8;
  letter-spacing: 0.8px;
}

.fact-copy-btn {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: #3b82f6;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.fact-copy-btn:hover {
  background: #1d4ed8;
  color: #ffffff;
  border-color: #1d4ed8;
}

.fact-val-text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16.5px;
  font-weight: 800;
  color: #0f172a;
}

.fact-val-text svg {
  color: #1d4ed8;
  flex-shrink: 0;
}

/* 核准业务领域胶囊 */
.cert-scope-section {
  padding: 0 18px 22px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 640px) {
  .cert-scope-section {
    padding: 0 36px 28px;
  }
}

.cert-scope-title {
  font-size: 14.5px;
  font-weight: 800;
  color: #475569;
}

.cert-scope-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.scope-pill {
  font-size: 14px;
  font-weight: 700;
  color: #1e293b;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  padding: 6px 14px;
  border-radius: var(--radius-full);
}


/* =========================================
   企业制造底蕴与战略协同看板 (Company Profile Card)
   ========================================= */
.company-profile-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid #cbd5e1;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: relative;
  overflow: hidden;
}

@media (min-width: 640px) {
  .company-profile-card {
    padding: 34px 38px;
  }
}

.profile-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid #f1f5f9;
}

.profile-header-left {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.profile-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 800;
  color: #1d4ed8;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  align-self: flex-start;
}

.profile-title {
  font-size: 26px;
  font-weight: 900;
  color: #0f172a;
  letter-spacing: -0.3px;
  margin: 0;
}

.profile-exp-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #f8fafc, #edf2f7);
  border: 1px solid #cbd5e1;
  padding: 8px 18px;
  border-radius: 14px;
}

.profile-exp-num {
  font-size: 26px;
  font-weight: 900;
  color: #1d4ed8;
  line-height: 1;
}

.profile-exp-label {
  font-size: 13.5px;
  font-weight: 800;
  color: #475569;
  line-height: 1.25;
}

.profile-lead-text {
  font-size: 17px;
  line-height: 1.85;
  color: #334155;
  margin: 0;
}

/* 3大支柱亮点卡片 */
.profile-pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 860px) {
  .profile-pillars-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.profile-pillar-item {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.2s ease;
}

.profile-pillar-item:hover {
  border-color: #93c5fd;
  background: #ffffff;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.04);
}

.pillar-item-title {
  font-size: 17px;
  font-weight: 900;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pillar-item-title svg {
  color: #1d4ed8;
  flex-shrink: 0;
}

.pillar-item-desc {
  font-size: 14.5px;
  line-height: 1.65;
  color: #64748b;
  margin: 0;
}

/* 底部标签条 */
.profile-pills-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 6px;
}

.profile-badge-pill {
  font-size: 13.5px;
  font-weight: 800;
  color: #0f172a;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  padding: 5px 14px;
  border-radius: 8px;
}

/* 4大综合实力卡片网格 */
.strength-grid-section {
  margin-top: 10px;
}

.strength-grid-header {
  margin-bottom: 18px;
}

.strength-grid-title {
  font-size: 22px;
  font-weight: 900;
  color: #0f172a;
}

.strength-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 768px) {
  .strength-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.strength-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  transition: all 0.25s ease;
}

.strength-card:hover {
  transform: translateY(-4px);
  border-color: #93c5fd;
  box-shadow: 0 10px 24px rgba(29, 78, 216, 0.08);
}

.strength-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  color: #1d4ed8;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.strength-icon-wrap svg {
  width: 26px;
  height: 26px;
}

/* 4大能力微徽章色彩律动 */
.cap-blue .strength-icon-wrap {
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}
.cap-blue:hover {
  border-color: #93c5fd;
  box-shadow: 0 10px 24px rgba(29, 78, 216, 0.08);
}

.cap-amber .strength-icon-wrap {
  background: linear-gradient(135deg, #fffbeb, #fef3c7);
  color: #d97706;
  border: 1px solid #fde68a;
}
.cap-amber:hover {
  border-color: #fcd34d;
  box-shadow: 0 10px 24px rgba(217, 119, 6, 0.08);
}

.cap-purple .strength-icon-wrap {
  background: linear-gradient(135deg, #f5f3ff, #ede9fe);
  color: #7c3aed;
  border: 1px solid #ddd6fe;
}
.cap-purple:hover {
  border-color: #c4b5fd;
  box-shadow: 0 10px 24px rgba(124, 58, 237, 0.08);
}

.cap-emerald .strength-icon-wrap {
  background: linear-gradient(135deg, #ecfdf5, #d1fae5);
  color: #059669;
  border: 1px solid #a7f3d0;
}
.cap-emerald:hover {
  border-color: #6ee7b7;
  box-shadow: 0 10px 24px rgba(5, 150, 105, 0.08);
}

.strength-card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.strength-title {
  font-size: 18px;
  font-weight: 900;
  color: #0f172a;
  line-height: 1.35;
}

.strength-desc {
  font-size: 15px;
  line-height: 1.65;
  color: #475569;
}

/* =========================================
   电子名片看板与直联区/* =========================================
   电子名片看板与直联区 (Digital Business Card)
   ========================================= */
.business-card-wrap {
  max-width: 900px;
  margin: 0 auto;
  background: linear-gradient(135deg, #0b1329 0%, #111e38 100%);
  border-radius: 28px;
  border: 1px solid rgba(56, 189, 248, 0.3);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3), 0 0 30px rgba(37, 99, 235, 0.2);
  padding: 40px 28px;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .business-card-wrap {
    padding: 48px 44px;
  }
}

.card-top-header {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.2);
  margin-bottom: 32px;
}

@media (min-width: 860px) {
  .card-top-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
  }
}

.card-header-main {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.card-org-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 3px 12px;
  border-radius: var(--radius-full);
  align-self: flex-start;
  letter-spacing: 0.3px;
}

.card-org-tag svg {
  color: #38bdf8;
}

.card-org-name {
  font-size: 24px;
  font-weight: 900;
  color: #ffffff;
  line-height: 1.3;
  margin: 0;
  letter-spacing: -0.2px;
}

@media (min-width: 640px) {
  .card-org-name {
    font-size: 27px;
  }
}

.card-manager-info {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 4px;
}

/* 高端商务印鉴/首字母徽章 (代替未提供照片的空白) */
.manager-avatar-badge {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 50%, #0284c7 100%);
  border: 2px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 900;
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  flex-shrink: 0;
}

.manager-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.manager-name-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.manager-name-text {
  font-size: 21px;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 0.2px;
}

.manager-role-tag {
  font-size: 13.5px;
  font-weight: 700;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.35);
  padding: 2px 10px;
  border-radius: 6px;
}

.manager-scope-sub {
  font-size: 13.5px;
  color: #94a3b8;
  line-height: 1.45;
  font-weight: 500;
}

/* 右侧信任凭证微卡片网格 (填补留白，强化大厂与深耕背书) */
.card-header-trust {
  flex-shrink: 0;
}

.header-trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

@media (max-width: 480px) {
  .header-trust-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
}

.header-trust-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 10px 6px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-width: 0;
  transition: all 0.2s ease;
}

@media (min-width: 600px) {
  .header-trust-card {
    padding: 12px 14px;
    min-width: 90px;
  }
}

.header-trust-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-2px);
}

.header-trust-val {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 19px;
  font-weight: 900;
  color: #38bdf8;
  line-height: 1.2;
}

@media (min-width: 600px) {
  .header-trust-val {
    font-size: 20px;
  }
}

.header-trust-lbl {
  font-size: 11.5px;
  font-weight: 600;
  color: #cbd5e1;
  margin-top: 4px;
  line-height: 1.35;
  word-break: break-word;
  overflow-wrap: break-word;
}

@media (min-width: 600px) {
  .header-trust-lbl {
    font-size: 12px;
  }
}

.contact-channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-bottom: 30px;
}

@media (min-width: 768px) {
  .contact-channels-grid {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: stretch;
  }
}

/* 电话卡片 */
.phone-block {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 20px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(8px);
}

.phone-header-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 800;
  color: #7dd3fc;
  margin-bottom: 12px;
}

.phone-digits {
  font-size: 28px;
  font-weight: 900;
  color: #ffffff;
  font-family: monospace;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  text-shadow: 0 0 16px rgba(56, 189, 248, 0.3);
}

@media (min-width: 600px) {
  .phone-digits {
    font-size: 32px;
  }
}

.phone-action-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (min-width: 540px) {
  .phone-action-row {
    flex-direction: row;
    gap: 14px;
  }
}

.phone-action-row .btn {
  width: 100%;
  padding: 13px 18px;
  min-height: 50px;
  font-size: 16.5px;
  white-space: nowrap;
}

@media (min-width: 540px) {
  .phone-action-row .btn {
    flex: 1;
    width: auto;
  }
}

/* 微信卡片 */
.wechat-block {
  background: rgba(7, 193, 96, 0.1);
  border: 1px solid rgba(7, 193, 96, 0.3);
  border-radius: 20px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  backdrop-filter: blur(8px);
}

.wechat-header-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 800;
  color: #4ade80;
  margin-bottom: 16px;
}

.wechat-qr-preview {
  width: 170px;
  height: 170px;
  background: #ffffff;
  padding: 10px;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  margin-bottom: 16px;
  cursor: pointer;
}

.wechat-qr-preview img {
  width: 100%;
  height: 100%;
}

.wechat-id-row {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
  font-family: monospace;
}

.copy-wechat-btn {
  width: 100%;
  min-height: 48px;
  background: linear-gradient(135deg, #07c160, #059669);
  color: #ffffff;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(7, 193, 96, 0.3);
  transition: all 0.2s;
}

.copy-wechat-btn:hover {
  background: linear-gradient(135deg, #06ad56, #047857);
}

.card-foot-notice {
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  color: #94a3b8;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

/* =========================================
   移动端底部常驻悬浮栏 (Sticky Bar)
   ========================================= */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(9, 14, 23, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));
  display: flex;
  gap: 12px;
}

@media (min-width: 769px) {
  .mobile-sticky-bar {
    display: none;
  }
}

.sticky-action-btn {
  flex: 1;
  min-height: 52px;
  border-radius: 14px;
  font-size: 17px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.sticky-btn-call {
  background: linear-gradient(135deg, #2563eb, #0284c7);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.sticky-btn-wechat {
  background: linear-gradient(135deg, #07c160, #059669);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(7, 193, 96, 0.35);
}

.sticky-btn-bilingual {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.15;
}

.sticky-btn-bilingual .zh {
  font-size: 15px;
  font-weight: 800;
}

.sticky-btn-bilingual .en {
  font-size: 10.5px;
  font-weight: 500;
  opacity: 0.88;
  letter-spacing: 0.2px;
}

/* =========================================
   弹窗系统 (Modals & Toast)
   ========================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(9, 14, 23, 0.85);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

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

.modal-box {
  background: #ffffff;
  border-radius: 24px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
  position: relative;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #e2e8f0;
}

.modal-title {
  font-size: 21px;
  font-weight: 900;
  color: #0f172a;
}

.modal-close-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #475569;
  transition: all 0.2s;
}

.modal-close-btn:hover {
  background: #e2e8f0;
  color: #0f172a;
}

.modal-body {
  padding: 28px;
}

.modal-img-preview {
  width: 100%;
  border-radius: 14px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px;
}

.modal-img-preview img {
  width: 100%;
  max-height: 65vh;
  object-fit: contain;
}


/* =========================================
   产品详情与技术参数弹窗 (Product Details & Specs Modal)
   ========================================= */
.modal-box-large {
  max-width: 980px;
  width: 94%;
  max-height: 90vh;
}

.modal-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.modal-category-tag {
  font-size: 13px;
  font-weight: 800;
  color: #1d4ed8;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 3px 10px;
  border-radius: 6px;
}

.modal-detail-body {
  padding: 24px 28px;
  overflow-y: auto;
}

.modal-detail-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 820px) {
  .modal-detail-layout {
    grid-template-columns: 1.15fr 1.25fr;
    align-items: start;
  }
}

.modal-detail-img-box {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 0;
  cursor: zoom-in;
  min-height: 280px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  transition: border-color 0.2s;
}

.modal-detail-img-box:hover {
  border-color: #93c5fd;
}

.modal-detail-img-box img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.modal-detail-img-box:hover img {
  transform: scale(1.02);
}

.modal-detail-info {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.modal-detail-subtitle {
  font-size: 16px;
  font-weight: 700;
  color: #ea580c;
  line-height: 1.5;
}

.modal-detail-desc-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 14px 16px;
}

.desc-box-title {
  font-size: 13px;
  font-weight: 800;
  color: #475569;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.modal-desc-text {
  font-size: 13.5px;
  line-height: 1.65;
  color: #334155;
}

.modal-specs-box {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  padding: 14px 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.specs-box-title {
  font-size: 13.5px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 8px;
  border-bottom: 1px dashed #e2e8f0;
}

.specs-table-wrap {
  display: flex;
  flex-direction: column;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
}

.spec-table-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 7px 12px;
  font-size: 13px;
  line-height: 1.45;
  border-bottom: 1px solid #f1f5f9;
}

.spec-table-row:nth-child(even) {
  background: #f8fafc;
}

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

.spec-item-label {
  font-weight: 700;
  color: #64748b;
  flex-shrink: 0;
  width: 80px;
  min-width: 80px;
}

.spec-item-value {
  flex: 1;
  font-weight: 700;
  color: #0f172a;
  text-align: left;
  word-break: break-word;
}

html[dir="rtl"] .spec-item-value {
  text-align: right;
}

.modal-detail-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.modal-btn-wechat {
  flex: 1;
  min-width: 180px;
  min-height: 48px;
  background: linear-gradient(135deg, #16a34a, #15803d);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(22, 163, 74, 0.25);
  cursor: pointer;
  transition: all 0.2s;
}

.modal-btn-wechat:hover {
  background: linear-gradient(135deg, #15803d, #166534);
  box-shadow: 0 6px 18px rgba(22, 163, 74, 0.35);
}

.modal-btn-call {
  flex: 1;
  min-width: 160px;
  min-height: 48px;
  background: linear-gradient(135deg, #1d4ed8, #0284c7);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.25);
  cursor: pointer;
  transition: all 0.2s;
}

.modal-btn-call:hover {
  background: linear-gradient(135deg, #1e40af, #0369a1);
  box-shadow: 0 6px 18px rgba(29, 78, 216, 0.35);
}

@media (max-width: 640px) {
  .modal-box-large {
    width: 95%;
    max-height: 92vh;
    border-radius: 18px;
  }
  .modal-header {
    padding: 14px 16px;
    gap: 10px;
  }
  .modal-title {
    font-size: 17px;
  }
  .modal-close-btn {
    width: 34px;
    height: 34px;
    font-size: 16px;
    flex-shrink: 0;
  }
  .modal-detail-body {
    padding: 16px 14px;
  }
  .modal-detail-layout {
    gap: 18px;
  }
  .modal-detail-img-box {
    position: static;
    min-height: 200px;
    padding: 12px;
  }
  .modal-detail-img-box img {
    max-height: 260px;
  }
  .modal-detail-desc-box, .modal-specs-box {
    padding: 14px;
  }
  .spec-table-row {
    padding: 8px 10px;
    font-size: 14px;
  }
  .spec-item-label {
    min-width: 85px;
  }
  .modal-detail-actions {
    flex-direction: column;
    gap: 10px;
  }
  .modal-btn-wechat, .modal-btn-call {
    width: 100%;
    min-width: 0;
  }
}

/* Toast 提示条 */
.toast-notice {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: #0f172a;
  color: #ffffff;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 17px;
  font-weight: 800;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.35);
  z-index: 300;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: none;
}

.toast-notice.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-notice.success {
  background: #064e3b;
  border: 1px solid #10b981;
}

/* 页脚 */
.site-footer {
  background: #090e17;
  color: #94a3b8;
  padding: 40px 0 28px;
  text-align: center;
  font-size: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.footer-company {
  font-size: 18px;
  font-weight: 800;
  color: #ffffff;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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