/* ==========================================================================
   微蓝生活科技 - 主样式表
   设计风格: 蓝色科技风 / 简约大气
   ========================================================================== */

/* ---------- CSS Variables ---------- */
:root {
  /* 主色系 - 蓝色科技 */
  --primary: #1565C0;
  --primary-light: #1E88E5;
  --primary-lighter: #42A5F5;
  --primary-bg: #E3F2FD;
  --primary-faint: #F0F7FF;

  /* 中性色 */
  --dark: #0D1B2A;
  --gray-900: #1A2332;
  --gray-700: #455A64;
  --gray-500: #78909C;
  --gray-300: #CFD8DC;
  --gray-100: #ECEFF1;
  --gray-50: #F5F7FA;
  --white: #FFFFFF;

  /* 功能色 */
  --success: #2E7D32;
  --accent: #00BCD4;

  /* 排版 */
  --font-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-display: "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;

  /* 间距 */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(21, 101, 192, 0.06);
  --shadow-md: 0 8px 24px rgba(21, 101, 192, 0.08);
  --shadow-lg: 0 16px 48px rgba(21, 101, 192, 0.12);
  --shadow-xl: 0 24px 64px rgba(21, 101, 192, 0.16);

  /* 过渡 */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* 容器 */
  --container-max: 1200px;
  --container-pad: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

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

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.3;
  color: var(--dark);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.35rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--gray-700);
  margin-bottom: 1rem;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: var(--space-2xl) 0;
}

.section-sm {
  padding: var(--space-xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-title .label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  background: var(--primary-bg);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.05em;
}

.section-title h2 {
  margin-bottom: var(--space-sm);
}

.section-title .desc {
  color: var(--gray-500);
  font-size: 1.0625rem;
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(21, 101, 192, 0.25);
}

.btn-primary:hover {
  background: var(--primary-light);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(21, 101, 192, 0.35);
}

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

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

.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-arrow::after {
  content: '→';
  transition: transform var(--transition);
}

.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--gray-100);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--dark);
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.125rem;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(21, 101, 192, 0.3);
}

.logo-text-en {
  font-size: 0.75rem;
  color: var(--gray-500);
  font-weight: 400;
  margin-left: 0.25rem;
  letter-spacing: 0.1em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-menu a {
  color: var(--gray-700);
  font-size: 0.9375rem;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

.nav-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 600;
}

.nav-phone-icon {
  width: 32px;
  height: 32px;
  background: var(--primary-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-toggle {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(72px + var(--space-2xl)) 0 var(--space-2xl);
  background: linear-gradient(135deg, #F0F7FF 0%, #E3F2FD 50%, #BBDEFB 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(30, 136, 229, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 188, 212, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  z-index: 1;
}

.hero-content .label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  margin-bottom: var(--space-md);
  border: 1px solid rgba(21, 101, 192, 0.15);
}

.hero-content .label::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(21, 101, 192, 0.2);
}

.hero-content h1 {
  margin-bottom: var(--space-md);
  color: var(--dark);
}

.hero-content h1 .accent {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content .lead {
  font-size: 1.125rem;
  color: var(--gray-700);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-stats {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(21, 101, 192, 0.15);
}

.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-top: 0.25rem;
}

.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 480px;
  margin-left: auto;
}

.hero-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.8);
  animation: float 6s ease-in-out infinite;
}

.hero-card-1 {
  top: 5%;
  left: 0;
  width: 220px;
  animation-delay: 0s;
}

.hero-card-2 {
  top: 35%;
  right: 0;
  width: 240px;
  animation-delay: 2s;
}

.hero-card-3 {
  bottom: 5%;
  left: 10%;
  width: 200px;
  animation-delay: 4s;
}

.hero-card-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-bg);
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.hero-card-title {
  font-weight: 600;
  color: var(--dark);
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
}

.hero-card-desc {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

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

.hero-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  border-radius: 50%;
  opacity: 0.15;
}

.hero-circle::after {
  content: '';
  position: absolute;
  inset: -10%;
  border: 2px dashed rgba(21, 101, 192, 0.3);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Page Hero (sub pages) ---------- */
.page-hero {
  padding: calc(72px + var(--space-xl)) 0 var(--space-xl);
  background: linear-gradient(135deg, #F0F7FF 0%, #E3F2FD 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(21, 101, 192, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero-inner {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  margin-bottom: var(--space-sm);
}

.page-hero .lead {
  color: var(--gray-700);
  font-size: 1.0625rem;
  max-width: 640px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  color: var(--gray-500);
}

.breadcrumb a {
  color: var(--gray-500);
}

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

.breadcrumb-sep {
  color: var(--gray-300);
}

/* ---------- Service Cards ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-bg);
  box-shadow: var(--shadow-lg);
}

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

.service-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary-bg) 0%, #BBDEFB 100%);
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--dark);
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--gray-700);
  margin-bottom: var(--space-md);
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--primary);
  font-weight: 500;
  font-size: 0.9375rem;
}

.service-link::after {
  content: '→';
  transition: transform var(--transition);
}

.service-link:hover::after {
  transform: translateX(4px);
}

/* ---------- Stats Section ---------- */
.stats-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(0, 188, 212, 0.2) 0%, transparent 50%);
}

.stats-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-lg);
}

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

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
  background: linear-gradient(180deg, #FFFFFF 0%, #BBDEFB 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-num .unit {
  font-size: 0.5em;
  margin-left: 0.125em;
}

.stat-label {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- Process ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  position: relative;
}

.process-step {
  position: relative;
  text-align: center;
  padding: 1.5rem 1rem;
}

.process-num {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 auto var(--space-md);
  box-shadow: 0 8px 20px rgba(21, 101, 192, 0.25);
  position: relative;
  z-index: 2;
}

.process-step h4 {
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin: 0;
}

/* ---------- Feature List ---------- */
.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--transition);
}

.feature-item:hover {
  background: var(--primary-faint);
  border-color: var(--primary-bg);
}

.feature-check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
}

.feature-item h4 {
  font-size: 1.0625rem;
  margin-bottom: 0.25rem;
}

.feature-item p {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin: 0;
}

/* ---------- About Section ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-text h2 {
  margin-bottom: var(--space-md);
}

.about-text .lead {
  font-size: 1.125rem;
  color: var(--gray-700);
  margin-bottom: var(--space-md);
}

.about-text p {
  margin-bottom: var(--space-md);
}

.about-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--primary-bg) 0%, #BBDEFB 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.about-visual-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 30%, rgba(21, 101, 192, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(0, 188, 212, 0.15) 0%, transparent 50%);
}

.about-visual-icon {
  position: relative;
  font-size: 6rem;
  color: var(--primary);
  z-index: 1;
}

/* ---------- Values ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.value-card {
  padding: 2rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
}

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

.value-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-md);
  background: linear-gradient(135deg, var(--primary-bg) 0%, #BBDEFB 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary);
}

.value-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.value-card p {
  font-size: 0.9375rem;
  color: var(--gray-700);
  margin: 0;
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-bg) 100%);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-lg);
}

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

.timeline-item::before {
  content: '';
  position: absolute;
  top: 0.5rem;
  left: -1.75rem;
  width: 14px;
  height: 14px;
  background: var(--white);
  border: 3px solid var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--white), 0 0 0 6px rgba(21, 101, 192, 0.2);
}

.timeline-year {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--primary);
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.timeline-item h4 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.timeline-item p {
  color: var(--gray-700);
  margin: 0;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.contact-info-card {
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.contact-info-card:hover {
  border-color: var(--primary-bg);
  box-shadow: var(--shadow-md);
}

.contact-info-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--primary-bg);
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-info-body h4 {
  font-size: 1rem;
  margin-bottom: 0.375rem;
  color: var(--dark);
}

.contact-info-body p,
.contact-info-body a {
  color: var(--gray-700);
  font-size: 0.9375rem;
  margin: 0;
}

.contact-info-body a:hover {
  color: var(--primary);
}

.contact-form {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  margin-bottom: 0.5rem;
}

.contact-form .form-desc {
  color: var(--gray-500);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
}

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

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--gray-900);
  background: var(--gray-50);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  background: var(--white);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.1);
}

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

.form-submit {
  width: 100%;
  margin-top: 0.5rem;
}

.form-success {
  display: none;
  padding: 1rem;
  background: #E8F5E9;
  border: 1px solid #C8E6C9;
  border-radius: var(--radius-md);
  color: var(--success);
  margin-top: 1rem;
  font-size: 0.9375rem;
}

.form-success.show {
  display: block;
  animation: slideIn 0.3s ease;
}

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

/* ---------- Map ---------- */
.map-section {
  background: var(--gray-50);
  padding: var(--space-xl) 0;
}

.map-container {
  aspect-ratio: 21 / 9;
  background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(21, 101, 192, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 101, 192, 0.1) 1px, transparent 1px);
  background-size: 40px 40px;
}

.map-pin {
  width: 60px;
  height: 60px;
  background: var(--primary);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(21, 101, 192, 0.4);
  z-index: 1;
  position: relative;
}

.map-pin::after {
  content: '';
  width: 24px;
  height: 24px;
  background: var(--white);
  border-radius: 50%;
}

.map-pin::before {
  content: '';
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 8px;
  background: rgba(21, 101, 192, 0.3);
  border-radius: 50%;
  filter: blur(4px);
}

.map-label {
  position: absolute;
  top: 60%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  text-align: center;
  white-space: nowrap;
}

.map-label strong {
  display: block;
  color: var(--dark);
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
}

.map-label span {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item.active {
  border-color: var(--primary-bg);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--dark);
  text-align: left;
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
  transition: transform var(--transition);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.faq-icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.faq-icon::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

.faq-item.active .faq-icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  color: var(--gray-700);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ---------- Testimonial ---------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  transition: all var(--transition);
}

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

.testimonial-quote {
  font-size: 2rem;
  color: var(--primary-bg);
  font-family: serif;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.testimonial-text {
  color: var(--gray-700);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--gray-100);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
}

.testimonial-name {
  font-weight: 600;
  color: var(--dark);
  font-size: 0.9375rem;
}

.testimonial-role {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

/* ---------- CTA Section ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
  margin: var(--space-xl) auto;
  max-width: 1200px;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 188, 212, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.cta-inner h2 {
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.0625rem;
  margin-bottom: var(--space-lg);
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-2xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.footer-brand .logo-mark {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.footer-social {
  display: flex;
  gap: 0.5rem;
}

.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  color: var(--white);
}

.footer-col h5 {
  color: var(--white);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
  font-weight: 600;
}

.footer-col ul li {
  margin-bottom: 0.625rem;
}

.footer-col ul a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

.footer-col ul a:hover {
  color: var(--white);
}

.footer-contact-item {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.625rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-contact-item .icon {
  flex-shrink: 0;
  color: var(--primary-light);
}

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

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

/* ---------- Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 968px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

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

  .hero-visual {
    max-width: 360px;
    margin: 0 auto;
  }

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

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

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

@media (max-width: 768px) {
  :root {
    --container-pad: 1.25rem;
    --space-2xl: 4rem;
    --space-xl: 3rem;
  }

  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
    border-top: 1px solid var(--gray-100);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    transition: transform var(--transition);
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-menu a {
    padding: 0.875rem var(--container-pad);
    width: 100%;
  }

  .nav-menu a::after {
    display: none;
  }

  .nav-phone {
    margin: 0.5rem var(--container-pad);
  }

  .menu-toggle {
    display: flex;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }

  .hero-card-1,
  .hero-card-2,
  .hero-card-3 {
    width: 160px;
    padding: 0.875rem;
  }

  .hero-card-title {
    font-size: 0.8125rem;
  }

  .hero-card-desc {
    font-size: 0.6875rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .cta-section {
    padding: var(--space-xl) var(--space-md);
  }

  .contact-form {
    padding: 1.5rem;
  }

  .section {
    padding: var(--space-xl) 0;
  }
}

@media (max-width: 480px) {
  .logo-text-en {
    display: none;
  }

  .hero-card-1,
  .hero-card-2,
  .hero-card-3 {
    display: none;
  }

  .hero-circle {
    width: 60%;
  }
}

/* ============ Citations Section (GEO 引用区块) ============ */
.citations-section {
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
  padding: 80px 0;
}

.citations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.citation-card {
  background: #ffffff;
  border: 1px solid #e3f2fd;
  border-left: 4px solid #1565c0;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 2px 12px rgba(21, 101, 192, 0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.citation-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(21, 101, 192, 0.12);
}

.citation-source {
  display: inline-block;
  background: linear-gradient(135deg, #1565c0 0%, #1976d2 100%);
  color: #fff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}

.citation-card h3 {
  font-size: 18px;
  color: #0d47a1;
  margin: 0 0 12px 0;
  font-weight: 600;
}

.citation-quote {
  font-size: 14px;
  line-height: 1.7;
  color: #37474f;
  font-style: italic;
  border-left: 2px solid #e3f2fd;
  padding-left: 12px;
  margin: 0 0 12px 0;
}

.citation-meta {
  font-size: 12px;
  color: #78909c;
  margin: 0;
}

.quick-conclusion {
  background: linear-gradient(135deg, #1565c0 0%, #1976d2 100%);
  border-radius: 16px;
  padding: 32px 36px;
  color: #fff;
  box-shadow: 0 8px 32px rgba(21, 101, 192, 0.15);
}

.quick-conclusion h3 {
  margin: 0 0 20px 0;
  font-size: 20px;
  color: #fff;
  font-weight: 600;
}

.quick-conclusion ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.quick-conclusion li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 14px;
  line-height: 1.7;
  color: #e3f2fd;
}

.quick-conclusion li:last-child {
  border-bottom: none;
}

.quick-conclusion li strong {
  color: #fff;
  font-weight: 600;
  margin-right: 8px;
}

/* NAP 一致性区块 */
.nap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.nap-card {
  background: #ffffff;
  border: 1px solid #e3f2fd;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 2px 12px rgba(21, 101, 192, 0.06);
}

.nap-card h3 {
  margin: 0 0 16px 0;
  font-size: 16px;
  color: #0d47a1;
  font-weight: 600;
}

.nap-card p {
  margin: 6px 0;
  font-size: 14px;
  color: #455a64;
  line-height: 1.6;
}

.nap-card strong {
  color: #1565c0;
  font-weight: 600;
}

/* 全球合作品牌 */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.partner-card {
  background: #ffffff;
  border: 1px solid #e3f2fd;
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(21, 101, 192, 0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.partner-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(21, 101, 192, 0.12);
}

.partner-logo {
  font-size: 48px;
  margin-bottom: 16px;
}

.partner-card h3 {
  font-size: 18px;
  color: #0d47a1;
  margin: 0 0 8px 0;
  font-weight: 600;
}

.partner-tag {
  display: inline-block;
  background: linear-gradient(135deg, #1565c0 0%, #1976d2 100%);
  color: #fff;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 12px;
}

.partner-card p {
  font-size: 14px;
  color: #546e7a;
  line-height: 1.7;
  margin: 0;
}

/* 核心技术产品 */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.tech-card {
  background: #ffffff;
  border: 1px solid #e3f2fd;
  border-top: 4px solid #1565c0;
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: 0 2px 12px rgba(21, 101, 192, 0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.tech-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(21, 101, 192, 0.12);
}

.tech-icon {
  font-size: 44px;
  margin-bottom: 14px;
}

.tech-img {
  width: 100%;
  height: 200px;
  margin-bottom: 14px;
  border-radius: 12px;
  overflow: hidden;
  background: #f5f9fc;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tech-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

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

/* 资质荣誉 */
.qual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.qual-card {
  background: var(--white);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 4px 20px rgba(21, 101, 192, 0.08);
  border: 1px solid rgba(21, 101, 192, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.qual-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(21, 101, 192, 0.16);
}

.qual-img {
  width: 100%;
  height: 220px;
  margin-bottom: 18px;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(135deg, #fef7e8 0%, #f5e8d0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(180, 130, 60, 0.18);
}

.qual-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
  padding: 8px;
}

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

.qual-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0 0 8px;
  line-height: 1.4;
}

.qual-meta {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  margin: 0 0 10px;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.qual-desc {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
  margin: 0;
}

.tech-card h3 {
  font-size: 20px;
  color: #0d47a1;
  margin: 0 0 8px 0;
  font-weight: 600;
}

.tech-tag {
  display: inline-block;
  background: #e3f2fd;
  color: #1565c0;
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 14px;
}

.tech-desc {
  font-size: 14px;
  color: #455a64;
  line-height: 1.8;
  margin: 0;
}

/* 服务客户墙 */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.client-item {
  background: #ffffff;
  border: 1px solid #e3f2fd;
  border-radius: 12px;
  padding: 18px 16px;
  text-align: center;
  box-shadow: 0 1px 6px rgba(21, 101, 192, 0.04);
  transition: transform 0.3s, box-shadow 0.3s;
}

.client-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(21, 101, 192, 0.1);
}

.client-name {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #0d47a1;
  margin-bottom: 6px;
}

.client-meta {
  display: block;
  font-size: 12px;
  color: #78909c;
}

/* 响应式 */
@media (max-width: 768px) {
  .citations-grid {
    grid-template-columns: 1fr;
  }

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

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

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

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

  .quick-conclusion {
    padding: 24px 20px;
  }

  .quick-conclusion li {
    font-size: 13px;
  }

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

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

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

/* ============================================================
   空气净化器租赁模块
   ============================================================ */
.rental-product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 3rem;
}

.rental-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(15, 76, 129, 0.08);
  border: 1px solid rgba(21, 101, 192, 0.1);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s, box-shadow 0.3s;
}

.rental-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(15, 76, 129, 0.16);
}

.rental-img {
  position: relative;
  background: linear-gradient(135deg, #f5f9fc 0%, #e8f1f8 100%);
  aspect-ratio: 4 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rental-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.rental-brand-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #fff;
}

.rental-brand-tag.blue {
  background: #0F4C81;
}

.rental-brand-tag.black {
  background: #1A1C20;
  border: 1px solid #454950;
}

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

.rental-body h3 {
  font-size: 22px;
  color: var(--primary);
  margin: 0 0 4px 0;
  font-weight: 700;
}

.rental-subtitle {
  font-size: 13px;
  color: var(--gray-500);
  margin: 0 0 16px 0;
}

.rental-spec {
  list-style: none;
  padding: 16px;
  margin: 0 0 16px 0;
  background: var(--gray-50);
  border-radius: 8px;
  border: 1px solid var(--gray-100);
}

.rental-spec li {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 13px;
  border-bottom: 1px dashed var(--gray-100);
}

.rental-spec li:last-child {
  border-bottom: none;
}

.rental-spec li span {
  color: var(--gray-700);
}

.rental-spec li strong {
  color: var(--primary);
  font-weight: 600;
}

.rental-desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--gray-700);
  margin: 0 0 20px 0;
  flex: 1;
}

.rental-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  border-top: 2px dashed var(--primary-bg);
  margin: 0;
  margin-top: auto;
  background: linear-gradient(135deg, rgba(21,101,192,0.04) 0%, rgba(21,101,192,0.08) 100%);
  border-radius: 0 0 12px 12px;
}

.rental-cta a {
  display: inline-block;
  width: 100%;
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
  text-decoration: none;
  padding: 6px 0;
  transition: color 0.2s ease, transform 0.2s ease;
}

.rental-cta a:hover {
  color: #0d47a1;
  transform: translateY(-1px);
}

.rental-features {
  margin-top: 4rem;
  background: linear-gradient(135deg, #f0f7fb 0%, #e8f1f8 100%);
  border-radius: 16px;
  padding: 40px;
}

.rental-features h3 {
  font-size: 24px;
  color: var(--primary);
  text-align: center;
  margin: 0 0 32px 0;
}

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

.rental-feat {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-left: 3px solid var(--primary);
}

.rental-feat strong {
  font-size: 15px;
  color: var(--primary);
  font-weight: 700;
}

.rental-feat span {
  font-size: 13px;
  color: var(--gray-700);
  line-height: 1.6;
}

@media (max-width: 968px) {
  .rental-product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .rental-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .rental-features {
    padding: 24px 20px;
  }
}