/* ============================================================
   云智造平台 - 主样式文件（重设计版）
   风格：现代企业科技 · 简洁专业 · 对标源创天工主页
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700;900&display=swap');

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

:root {
  /* 主色系 */
  --primary: #0a1628;
  --primary-mid: #0f2544;
  --primary-light: #1a3a6b;
  --blue: #1d5fe8;
  --blue-light: #3b82f6;
  --blue-hover: #1549c7;
  /* 强调色 */
  --accent: #00c2ff;
  --accent-warm: #f59e0b;
  --accent-warm-hover: #d97706;
  /* 文字 */
  --text-dark: #0a1628;
  --text-mid: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  /* 背景 */
  --bg: #f8fafd;
  --bg-white: #ffffff;
  --bg-section: #f1f5fb;
  --bg-card: #ffffff;
  /* 边框 */
  --border: #e2e8f0;
  --border-light: #f0f4f8;
  /* 阴影 */
  --shadow-xs: 0 1px 2px rgba(10,22,40,.06);
  --shadow-sm: 0 2px 8px rgba(10,22,40,.08);
  --shadow-md: 0 4px 20px rgba(10,22,40,.10);
  --shadow-lg: 0 8px 40px rgba(10,22,40,.12);
  --shadow-blue: 0 4px 20px rgba(29,95,232,.18);
  /* 形状 */
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: .22s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
  color: var(--text-dark);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   通用工具类
   ============================================================ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.text-center { text-align: center; }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(29,95,232,.08);
  border: 1px solid rgba(29,95,232,.15);
  border-radius: 20px;
  padding: 4px 14px;
  margin-bottom: 16px;
}
.section-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  letter-spacing: -0.3px;
  line-height: 1.3;
}
.section-sub {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.75;
}
.text-center .section-sub { margin: 0 auto; }

/* ============================================================
   导航栏（源创天工主页风格）
   ============================================================ */
/* ===== 容器 ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 2px 20px rgba(21, 101, 192, 0.08);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    color: var(--text-white);
    box-shadow: 0 4px 12px rgba(21, 101, 192, 0.3);
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: 1px;
}

.logo-subtitle {
    font-size: 12px;
    color: var(--text-light);
    font-weight: 400;
    margin-left: 8px;
}

.nav-menu {
    display: flex;
    gap: 35px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 16px;
    font-weight: 300;
    position: relative;
    transition: var(--transition);
    padding: 8px 0;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

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

.lang-btn,
.pdf-btn {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-gray);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
    margin-left: 10px;
}

.lang-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    background: rgba(21, 101, 192, 0.05);
}


.navbar {
  background: #ffffff;
  border-bottom: 1px solid #e8edf2;
  position: sticky;
  top: 0;
  z-index: 200;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

/* Logo */
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand-svg-logo { display: block; }
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-name-cn {
  font-size: 15px;
  font-weight: 700;
  color: #111827;
  letter-spacing: 1px;
}

/* 中间导航链接 */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  margin: 0 auto;
}
.nav-links a {
  display: block;
  padding: 6px 20px;
  font-size: 15px;
  font-weight: 400;
  color: #374151;
  text-decoration: none;
  transition: color .18s;
  white-space: nowrap;
  letter-spacing: .3px;
}
.nav-links a:hover { color: #1a56db; }
.nav-links a.active { color: #1a56db; font-weight: 500; }

/* 右侧登录按钮 */
.nav-right { flex-shrink: 0; }
.nav-login-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 18px;
  border: 1.5px solid #c5d3e8;
  border-radius: 20px;
  font-size: 14px;
  color: #374151;
  text-decoration: none;
  transition: all .18s;
  white-space: nowrap;
}
.nav-login-btn:hover {
  border-color: #1a56db;
  color: #1a56db;
  background: rgba(26,86,219,.04);
}

/* 通用按钮（页面内其他地方用） */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 22px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  font-family: inherit;
}
.btn-primary {
  background: var(--blue);
  color: white;
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover { background: var(--blue-hover); transform: translateY(-1px); box-shadow: 0 6px 24px rgba(29,95,232,.28); }
.btn-outline {
  background: transparent;
  color: white;
  border: 1.5px solid rgba(255,255,255,.38);
}
.btn-outline:hover { border-color: rgba(255,255,255,.7); background: rgba(255,255,255,.1); }
.btn-ghost {
  background: transparent;
  color: var(--text-mid);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-section); color: var(--text-dark); }

/* ============================================================
   Hero 区
   ============================================================ */
.hero {
  background: var(--primary);
  color: white;
  padding: 80px 0 72px;
  position: relative;
  overflow: hidden;
}
/* 背景装饰 */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.hero-bg-orb1 {
  position: absolute;
  top: -120px; right: -100px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(29,95,232,.25) 0%, transparent 65%);
  pointer-events: none;
}
.hero-bg-orb2 {
  position: absolute;
  bottom: -160px; left: -80px;
  width: 480px; height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,194,255,.1) 0%, transparent 65%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }

.hero-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 64px;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(0,194,255,.12);
  color: var(--accent);
  border: 1px solid rgba(0,194,255,.25);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .5px;
  margin-bottom: 22px;
}
.hero-tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.7); }
}
.hero h1 {
  font-size: 44px;
  font-weight: 900;
  line-height: 1.18;
  margin-bottom: 20px;
  letter-spacing: -0.8px;
}
.hero h1 em {
  color: var(--accent);
  font-style: normal;
  position: relative;
}
.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,.72);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.1);
}
.hero-stat {
  background: rgba(255,255,255,.05);
  padding: 20px 18px;
  text-align: center;
  transition: var(--transition);
}
.hero-stat:hover { background: rgba(255,255,255,.09); }
.stat-value {
  font-size: 32px;
  font-weight: 900;
  color: var(--accent-warm);
  line-height: 1;
  letter-spacing: -1px;
}
.stat-label {
  font-size: 12px;
  color: rgba(255,255,255,.55);
  margin-top: 5px;
  letter-spacing: .2px;
}

/* Hero 右侧卡片 */
.hero-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-xl);
  padding: 28px;
  backdrop-filter: blur(8px);
}
.hero-card-title {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.5);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero-card-modules {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.hc-module {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--radius);
  padding: 12px 14px;
  transition: var(--transition);
}
.hc-module:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.15); }
.hc-icon { font-size: 20px; flex-shrink: 0; }
.hc-info { flex: 1; }
.hc-name { font-size: 14px; font-weight: 600; color: white; }
.hc-meta { font-size: 11px; color: rgba(255,255,255,.45); margin-top: 2px; }
.hc-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-warm);
  background: rgba(245,158,11,.15);
  border: 1px solid rgba(245,158,11,.25);
  border-radius: 5px;
  padding: 2px 7px;
  white-space: nowrap;
}

/* ============================================================
   亮点横幅
   ============================================================ */
.highlight-banner {
  background: linear-gradient(90deg, #0f2544 0%, #1a3a6b 50%, #1d5fe8 100%);
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,.06);
}
.hb-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.hb-left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.hb-icon { font-size: 32px; }
.hb-title { font-size: 16px; font-weight: 700; color: white; }
.hb-desc { font-size: 12px; color: rgba(255,255,255,.6); margin-top: 3px; }
.hb-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.hb-tag {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  color: rgba(255,255,255,.85);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

/* ============================================================
   聚焦领域
   ============================================================ */
.domain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.domain-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  padding: 26px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}
.domain-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-accent, var(--blue));
  opacity: 0;
  transition: var(--transition);
}
.domain-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.domain-card:hover::before { opacity: 1; }
.domain-card.core { --card-accent: var(--blue); }
.domain-card.extend { --card-accent: var(--accent-warm); }
.domain-card.new { --card-accent: #7c3aed; }
.domain-icon-wrap {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 16px;
  background: var(--icon-bg, rgba(29,95,232,.08));
}
.domain-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .4px;
  padding: 2px 9px;
  border-radius: 5px;
  margin-bottom: 10px;
}
.domain-label.core   { background: rgba(29,95,232,.08); color: var(--blue); }
.domain-label.extend { background: rgba(245,158,11,.1); color: #b45309; }
.domain-label.new    { background: rgba(124,58,237,.09); color: #6d28d9; }
.domain-name { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--primary); }
.domain-desc { font-size: 13px; color: var(--text-muted); line-height: 1.65; }
.domain-modules {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 14px;
}
.domain-mod-tag {
  background: var(--bg-section);
  color: var(--text-mid);
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 5px;
}

/* ============================================================
   7大模组
   ============================================================ */
.module-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.module-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  padding: 22px;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  display: block;
  position: relative;
  overflow: hidden;
}
.module-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--accent));
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}
.module-card:hover {
  border-color: rgba(29,95,232,.2);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.module-card:hover::after { transform: scaleX(1); }
.module-card-icon {
  font-size: 28px;
  margin-bottom: 12px;
  display: block;
}
.module-card-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 7px;
}
.module-card-desc {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.6;
}
.module-card-meta {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-light);
  border-top: 1px solid var(--border-light);
  padding-top: 12px;
}
.module-card-meta span { color: var(--blue); font-weight: 700; }

/* ============================================================
   统计数据条
   ============================================================ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  padding: 24px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--accent));
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-card-value {
  font-size: 40px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  letter-spacing: -1.5px;
}
.stat-card-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 7px;
}
.stat-card.accent .stat-card-value { color: var(--blue); }

/* ============================================================
   流程步骤
   ============================================================ */
.process-steps {
  display: flex;
  align-items: stretch;
  gap: 0;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  overflow: hidden;
}
.process-step {
  flex: 1;
  padding: 28px 20px;
  text-align: center;
  position: relative;
  border-right: 1px solid var(--border);
}
.process-step:last-child { border-right: none; }
.process-step::after {
  content: '›';
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 300;
  color: var(--text-light);
  z-index: 1;
}
.process-step:last-child::after { display: none; }
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue) 0%, var(--primary-light) 100%);
  color: white;
  font-size: 17px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  box-shadow: 0 3px 10px rgba(29,95,232,.3);
}
.step-title { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.step-desc { font-size: 12px; color: var(--text-muted); line-height: 1.6; }

/* ============================================================
   工厂卡片
   ============================================================ */
.factory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.factory-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  padding: 22px;
  transition: var(--transition);
  position: relative;
}
.factory-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.factory-card.is-dual {
  border-color: rgba(245,158,11,.35);
  background: linear-gradient(145deg, #fff 0%, #fffdf5 100%);
}
.dual-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: linear-gradient(135deg, var(--accent-warm), #f97316);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 10px;
}
.factory-card-header {
  margin-bottom: 14px;
  padding-right: 80px;
}
.factory-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
  line-height: 1.3;
}
.factory-region {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.factory-accept {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(245,158,11,.08);
  border-radius: 8px;
  margin-bottom: 12px;
  font-size: 13px;
  border: 1px solid rgba(245,158,11,.15);
}
.factory-accept-label { color: #92400e; font-weight: 600; }
.factory-accept-module { color: var(--primary); font-weight: 700; }
.factory-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 12px; }
.tag {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 5px;
  font-weight: 500;
}
.tag-craft { background: rgba(29,95,232,.07); color: var(--blue); }
.tag-cert { background: rgba(5,150,105,.07); color: #065f46; }
.tag-domain { background: rgba(124,58,237,.07); color: #5b21b6; }
.tag-module { background: rgba(245,158,11,.08); color: #9a3412; }
.factory-parts {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border-light);
}
.factory-parts strong { color: var(--text-mid); }

/* ============================================================
   筛选栏
   ============================================================ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  padding: 16px 20px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  align-items: center;
}
.filter-btn {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  border: 1.5px solid var(--border);
  background: white;
  color: var(--text-mid);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.filter-btn:hover,
.filter-btn.active {
  border-color: var(--blue);
  background: rgba(29,95,232,.07);
  color: var(--blue);
}
.filter-btn.active { font-weight: 700; }
.filter-label {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  margin-right: 8px;
  font-weight: 600;
}

/* ============================================================
   制造资源页 - 模组展开
   ============================================================ */
.module-section {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}
.module-section:hover { border-color: rgba(29,95,232,.2); }
.module-section-header {
  display: flex;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  gap: 16px;
  transition: var(--transition);
  user-select: none;
}
.module-section-header:hover { background: var(--bg-section); }
.module-section-icon { font-size: 26px; flex-shrink: 0; }
.module-section-info { flex: 1; }
.module-section-name { font-size: 17px; font-weight: 800; color: var(--primary); }
.module-section-desc { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.module-section-accept {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,158,11,.08);
  border: 1px solid rgba(245,158,11,.18);
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 13px;
  flex-shrink: 0;
}
.module-accept-label { color: #92400e; }
.module-accept-name { font-weight: 700; color: var(--primary); }
.module-section-chevron {
  font-size: 18px;
  color: var(--text-muted);
  transition: transform .3s;
  flex-shrink: 0;
}
.module-section.open .module-section-chevron { transform: rotate(180deg); }
.module-section-body {
  display: none;
  border-top: 1px solid var(--border);
}
.module-section.open .module-section-body { display: block; }

/* 零件表格 */
.parts-table { width: 100%; border-collapse: collapse; }
.parts-table th {
  background: var(--bg-section);
  padding: 10px 18px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-align: left;
  border-bottom: 1px solid var(--border);
  letter-spacing: .5px;
  text-transform: uppercase;
}
.parts-table td {
  padding: 13px 18px;
  font-size: 13px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}
.parts-table tr:last-child td { border-bottom: none; }
.parts-table tr:hover td { background: #fafbff; }
.part-name { font-weight: 600; color: var(--text-dark); }
.factory-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  border: 1px solid var(--border);
  background: white;
  color: var(--text-mid);
  margin: 2px 4px 2px 0;
  white-space: nowrap;
}
.factory-pill.is-dual {
  border-color: rgba(245,158,11,.4);
  background: rgba(245,158,11,.06);
  color: #92400e;
  font-weight: 600;
}
.factory-pill.is-dual::before { content: '★ '; font-size: 10px; }

/* ============================================================
   联系表单
   ============================================================ */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-form {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--border);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.contact-form-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 24px;
}
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-mid);
  margin-bottom: 7px;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  border-radius: 9px;
  border: 1.5px solid var(--border);
  font-size: 14px;
  color: var(--text-dark);
  background: white;
  transition: var(--transition);
  font-family: inherit;
}
.form-control:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(29,95,232,.08);
}
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
textarea.form-control { resize: vertical; min-height: 100px; }
.btn-submit {
  background: linear-gradient(135deg, var(--blue) 0%, var(--primary-light) 100%);
  color: white;
  border: none;
  border-radius: 9px;
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  width: 100%;
  transition: var(--transition);
  box-shadow: var(--shadow-blue);
  font-family: inherit;
}
.btn-submit:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(29,95,232,.3); }

/* 联系信息 */
.contact-intro {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 28px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 14px;
  padding: 16px 20px;
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  transition: var(--transition);
}
.contact-item:hover { border-color: rgba(29,95,232,.2); box-shadow: var(--shadow-sm); }
.contact-item-icon { font-size: 22px; flex-shrink: 0; margin-top: 1px; }
.contact-item-label { font-size: 12px; color: var(--text-muted); font-weight: 600; margin-bottom: 3px; }
.contact-item-value { font-size: 14px; color: var(--text-dark); font-weight: 500; }

/* ============================================================
   页脚
   ============================================================ */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,.6);
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand-name {
  font-size: 19px;
  font-weight: 800;
  color: white;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.footer-brand-desc { font-size: 13px; line-height: 1.8; }
.footer-col-title {
  font-size: 12px;
  font-weight: 700;
  color: rgba(255,255,255,.5);
  margin-bottom: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,.5);
  text-decoration: none;
  transition: var(--transition);
}
.footer-links a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}
.footer-bottom-note {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-badge {
  background: rgba(29,95,232,.3);
  color: var(--accent);
  padding: 2px 9px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 600;
}

/* ============================================================
   页面 Hero（子页面）
   ============================================================ */
.page-hero {
  background: var(--primary);
  color: white;
  padding: 52px 0 44px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 48px 48px;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.page-hero h1 { font-size: 32px; font-weight: 900; margin-bottom: 10px; letter-spacing: -0.3px; }
.page-hero p { font-size: 15px; color: rgba(255,255,255,.7); max-width: 580px; }

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: rgba(255,255,255,.45);
  margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255,255,255,.6); text-decoration: none; }
.breadcrumb a:hover { color: white; }
.breadcrumb-sep { color: rgba(255,255,255,.25); }

/* 工厂编码 */
.factory-code {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
}
.factory-code-badge {
  display: inline-block;
  background: rgba(29,95,232,.07);
  border: 1px solid rgba(29,95,232,.15);
  border-radius: 5px;
  padding: 2px 8px;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.5px;
}
.factory-code-badge.dual {
  background: rgba(245,158,11,.08);
  border-color: rgba(245,158,11,.3);
  color: #92400e;
}
.factory-code-note {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--bg-section);
  border: 1px dashed var(--border);
  border-radius: 8px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.factory-code-note strong { color: var(--text-mid); }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #065f46;
  color: white;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all .3s;
  box-shadow: var(--shadow-lg);
}
.toast.show { transform: translateY(0); opacity: 1; }

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 56px 24px;
  color: var(--text-muted);
  font-size: 15px;
}
.empty-state-icon { font-size: 40px; margin-bottom: 12px; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .hero-layout { grid-template-columns: 1fr; }
  .hero-card { display: none; }
  .domain-grid { grid-template-columns: repeat(2, 1fr); }
  .module-grid { grid-template-columns: repeat(3, 1fr); }
  .factory-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 56px 0; }
  .hero { padding: 56px 0 52px; }
  .hero h1 { font-size: 30px; }
  .domain-grid { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .factory-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .process-steps { flex-direction: column; border: none; background: transparent; gap: 12px; }
  .process-step { border-right: none; border: 1.5px solid var(--border); border-radius: var(--radius); }
  .process-step::after { display: none; }
  .nav-links { display: none; }
  .nav-login-btn { font-size: 13px; padding: 6px 14px; }
  .footer-grid { grid-template-columns: 1fr; }
  .module-section-accept { display: none; }
}

@media (max-width: 480px) {
  .module-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr 1fr; }
}


/* ===== 页脚 ===== */
.footer {
    padding: 50px 0 25px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 35px;
    margin-bottom: 35px;
}

.footer-column h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-blue);
    display: inline-block;
}

.footer-column p,
.footer-column a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}