/* ===========================
   福瑞查 - 企业官网样式系统
   设计理念：简约大气、专业可信
   =========================== */

:root {
  /* 品牌色系 */
  --primary: #2b5aed;
  --primary-dark: #1e40af;
  --primary-light: #3b6ef0;
  --primary-lighter: #eaf0ff;
  --primary-gradient: linear-gradient(135deg, #2b5aed 0%, #4f7cf5 100%);

  /* 辅助色 */
  --accent: #00c896;
  --accent-dark: #00a87e;
  --accent-light: #e6faf3;

  /* 中性色 */
  --bg: #ffffff;
  --bg-soft: #f7f9fc;
  --bg-dark: #0f172a;
  --bg-dark-soft: #1e293b;
  --text: #1a1a2e;
  --text-secondary: #5a6378;
  --text-light: #8892a6;
  --text-inverse: #ffffff;
  --border: #e8ecf2;
  --border-light: #f0f3f8;

  /* 语义色 */
  --success: #00c896;
  --warning: #f59e0b;
  --danger: #ef4444;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-primary: 0 8px 30px rgba(43, 90, 237, 0.25);

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* 过渡 */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;

  /* 布局 */
  --container: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

/* ===========================
   通用容器
   =========================== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
  line-height: 1.8;
}

.bg-soft {
  background: var(--bg-soft);
}

.bg-primary {
  background: var(--primary-gradient);
  color: var(--text-inverse);
}

.text-center {
  text-align: center;
}

/* ===========================
   按钮
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(43, 90, 237, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

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

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-ghost-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.9rem;
}

/* ===========================
   导航栏
   =========================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.navbar-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}

.navbar-logo .logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 800;
}

.navbar-logo .logo-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 自定义上传的 LOGO 图片（注入到 .logo-icon 内） */
.navbar-logo .logo-icon .logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}

/* 上传的 LOGO 图片（render_brand 直接输出 <img class="logo-img"> 作为 .navbar-logo 的子元素）
   自动约束尺寸：定高、宽自适应、超宽则限制最大宽度，避免撑乱导航栏排版 */
.navbar-logo > .logo-img {
  height: 34px;
  width: auto;
  max-width: 200px;
  max-height: 40px;
  object-fit: contain;
  border-radius: 8px;
  display: block;
  flex: 0 0 auto;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-link {
  padding: 8px 18px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.navbar-link:hover {
  color: var(--primary);
  background: var(--primary-lighter);
}

.navbar-link.active {
  color: var(--primary);
  font-weight: 600;
}

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

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

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

.navbar-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端菜单 */
.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  padding: 24px;
  z-index: 999;
  transform: translateX(100%);
  transition: var(--transition);
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu .navbar-link {
  display: block;
  padding: 16px;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--border-light);
}

.mobile-menu .btn {
  width: 100%;
  margin-top: 16px;
}

/* ===========================
   Hero 区域
   =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(43, 90, 237, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -200px;
  left: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 200, 150, 0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(43, 90, 237, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 90, 237, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-text {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--primary-lighter);
  color: var(--primary);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.hero-title .gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}

.hero-stat .stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -1px;
}

.hero-stat .stat-label {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* Hero 右侧可视化 */
.hero-visual {
  position: relative;
}

.hero-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 28px;
  border: 1px solid var(--border);
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.hero-card-header .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.hero-card-header .dot.red { background: #ff5f57; }
.hero-card-header .dot.yellow { background: #febc2e; }
.hero-card-header .dot.green { background: #28c840; }

.hero-card-title {
  margin-left: 12px;
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
}

.hero-card-body .search-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.hero-card-body .search-input {
  flex: 1;
  padding: 10px 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text);
}

.hero-card-body .search-btn {
  padding: 10px 20px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
}

.hero-card-body .result-table {
  width: 100%;
  border-collapse: collapse;
}

.hero-card-body .result-table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-light);
  border-bottom: 2px solid var(--border);
}

.hero-card-body .result-table td {
  padding: 10px 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}

.hero-card-body .result-table .tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

.hero-card-body .result-table .tag.active {
  background: var(--accent-light);
  color: var(--accent-dark);
}

.hero-card-body .result-table .masked {
  color: var(--text-light);
  letter-spacing: 2px;
}

/* 浮动卡片 */
.float-card {
  position: absolute;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--border);
}

.float-card-1 {
  top: -24px;
  right: -24px;
  animation: float 4s ease-in-out infinite;
}

.float-card-2 {
  bottom: -24px;
  left: -24px;
  animation: float 4s ease-in-out infinite 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.float-card .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.float-card .icon.blue { background: var(--primary-lighter); color: var(--primary); }
.float-card .icon.green { background: var(--accent-light); color: var(--accent-dark); }

.float-card .label {
  font-size: 0.75rem;
  color: var(--text-light);
}

.float-card .value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

/* ===========================
   特性卡片
   =========================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--primary-lighter);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===========================
   版本对比
   =========================== */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 960px;
  margin: 0 auto;
}

.compare-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 2px solid var(--border);
  transition: var(--transition);
  position: relative;
}

.compare-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-primary);
}

.compare-card.featured::after {
  content: '推荐';
  position: absolute;
  top: -14px;
  right: 32px;
  padding: 6px 18px;
  background: var(--primary-gradient);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 100px;
}

.compare-card .version-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.compare-card .version-badge.open {
  background: var(--accent-light);
  color: var(--accent-dark);
}

.compare-card .version-badge.commercial {
  background: var(--primary-lighter);
  color: var(--primary);
}

.compare-card h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.compare-card .version-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.compare-card .price {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.compare-card .price .amount {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--text);
}

.compare-card .price .period {
  font-size: 1rem;
  color: var(--text-light);
}

.compare-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.compare-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.compare-feature .check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.compare-card.featured .compare-feature .check {
  background: var(--primary-lighter);
  color: var(--primary);
}

.compare-card .btn {
  width: 100%;
  margin-top: 32px;
}

/* ===========================
   技术栈
   =========================== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
}

.tech-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}

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

.tech-item .tech-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.tech-item .tech-version {
  font-size: 0.85rem;
  color: var(--text-light);
}

.tech-item .tech-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}
.tech-item .tech-icon .ic { display: flex; align-items: center; justify-content: center; }
.tech-item .tech-icon .ic-img img { width: 38px; height: 38px; object-fit: contain; }
.tech-item .tech-icon .ic-emoji { font-size: 2rem; line-height: 1; }

/* ===========================
   页面 Hero (内页)
   =========================== */
.page-hero {
  padding: calc(var(--nav-height) + 80px) 0 80px;
  background: var(--bg-soft);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(43, 90, 237, 0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.page-hero h1 {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.page-hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.9;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--text-light);
}

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

/* ===========================
   关于我们
   =========================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-text h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.about-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.9;
  margin-bottom: 20px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.value-card {
  text-align: center;
  padding: 40px 24px;
}

.value-card .value-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.value-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.value-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 时间线 */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

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

.timeline-item::before {
  content: '';
  position: absolute;
  left: -34px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--primary);
}

.timeline-date {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}

.timeline-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===========================
   产品服务
   =========================== */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.product-detail:nth-child(even) .product-visual {
  order: -1;
}

.product-visual {
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  padding: 40px;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-text h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.product-text > p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.9;
  margin-bottom: 24px;
}

.product-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.product-list-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.product-list-item .icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: var(--primary-lighter);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.product-list-item .text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.product-list-item .text strong {
  color: var(--text);
  font-weight: 600;
}

/* 功能矩阵表 */
.feature-matrix {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.feature-matrix th,
.feature-matrix td {
  padding: 18px 24px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

.feature-matrix th {
  background: var(--bg-soft);
  font-weight: 700;
  font-size: 0.95rem;
}

.feature-matrix th:first-child,
.feature-matrix td:first-child {
  text-align: left;
  font-weight: 600;
}

.feature-matrix td .yes {
  color: var(--success);
  font-weight: 700;
}

.feature-matrix td .no {
  color: var(--text-light);
}

.feature-matrix tr:last-child td {
  border-bottom: none;
}

.feature-matrix tr:hover td {
  background: var(--bg-soft);
}

/* ===========================
   联系我们
   =========================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-item .icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--primary-lighter);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-item .label {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 4px;
}

.contact-item .value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.contact-item .value a:hover {
  color: var(--primary);
}

.contact-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.form-group label .required {
  color: var(--danger);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  transition: var(--transition-fast);
  background: #fff;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(43, 90, 237, 0.1);
}

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

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

.form-feedback {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 20px;
  display: none;
}

.form-feedback.success {
  background: var(--accent-light);
  color: var(--accent-dark);
  display: block;
}

.form-feedback.error {
  background: #fef2f2;
  color: var(--danger);
  display: block;
}

/* ===========================
   CTA 区域
   =========================== */
.cta-section {
  position: relative;
  overflow: hidden;
  background: var(--bg-dark);
  color: #fff;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(43, 90, 237, 0.15) 0%, transparent 60%);
  border-radius: 50%;
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 2.6rem;
  font-weight: 900;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.cta-content p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===========================
   页脚
   =========================== */
.footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand .navbar-logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.8;
  max-width: 320px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition-fast);
}

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

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

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

/* ===========================
   滚动出现动画
   =========================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ===========================
   响应式
   =========================== */
@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-text {
    max-width: 100%;
  }

  .hero-title {
    font-size: 2.6rem;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    max-width: 480px;
    margin: 0 auto;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .compare-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .product-detail {
    grid-template-columns: 1fr;
  }

  .product-detail:nth-child(even) .product-visual {
    order: 0;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .navbar-menu {
    display: none;
  }

  .navbar-cta {
    display: none;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-logo > .logo-img {
    height: 30px;
    max-width: 150px;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-desc {
    font-size: 1rem;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 24px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .page-hero h1 {
    font-size: 2.2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .float-card {
    display: none;
  }

  .cta-content h2 {
    font-size: 2rem;
  }
}

/* ============ 小图标渲染（emoji / 图片 / 预设SVG） ============ */
.feature-icon .ic,
.value-icon .ic {
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-icon .ic-img img,
.value-icon .ic-img img {
  width: 30px;
  height: 30px;
  object-fit: contain;
  border-radius: 4px;
}
.feature-icon .ic-emoji { font-size: 1.6rem; line-height: 1; }
.value-icon .ic-img img { width: 34px; height: 34px; }
.value-icon .ic-emoji { font-size: 1.9rem; line-height: 1; }

/* ============ 后台：侧栏分组折叠 ============ */
.side-nav { padding-top: 4px; }
.nav-group { margin-bottom: 2px; }
.nav-group-title {
  padding: 9px 20px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #64748b;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}
.nav-group-title::before {
  content: '▾';
  font-size: .7rem;
  transition: transform .15s;
}
.nav-group:not(.open) .nav-group-title::before { content: '▸'; }
.nav-group .nav-links { display: block; }
.nav-group:not(.open) .nav-links { display: none; }
.nav-group .nav-links a {
  display: block;
  color: #cbd5e1;
  text-decoration: none;
  padding: 8px 20px 8px 34px;
  font-size: .88rem;
  border-left: 3px solid transparent;
}
.nav-group .nav-links a:hover,
.nav-group .nav-links a.active {
  background: #1e293b;
  color: #fff;
  border-left-color: var(--primary);
}

/* ============ 后台：图标编辑预览 ============ */
.icon-preview {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 8px;
  background: var(--primary-lighter);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon-preview .ic-img img { width: 24px; height: 24px; object-fit: contain; border-radius: 3px; }
.icon-preview .ic-emoji { font-size: 1.3rem; line-height: 1; }