/* ===== CSS Variables (Daikin-inspired palette) ===== */
:root {
  --primary: #005bac;
  --primary-dark: #003e78;
  --primary-deep: #003056;
  --primary-light: #1a7ad1;
  --accent: #0088cc;
  --accent-bright: #00a0e9;
  --accent-light: #e8f4fc;
  --bg-light: #f4f9fd;
  --bg-white: #ffffff;
  --text-dark: #16324f;
  --text-body: #47617c;
  --text-light: #8aa3ba;
  --border: #dceaf5;
  --shadow: 0 4px 24px rgba(0, 91, 172, 0.08);
  --shadow-hover: 0 8px 40px rgba(0, 91, 172, 0.16);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  color: var(--text-body);
  line-height: 1.7;
  background: var(--bg-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

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

.section {
  padding: 80px 0;
}

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

.section-primary {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
}

.section-title {
  text-align: center;
  margin-bottom: 12px;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
}

.section-primary .section-title {
  color: #fff;
}

.section-subtitle {
  text-align: center;
  font-size: 1.05rem;
  color: var(--text-light);
  margin-bottom: 50px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section-primary .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.title-line {
  width: 50px;
  height: 3px;
  background: var(--accent);
  margin: 16px auto 0;
  border-radius: 2px;
}

/* ===== Header / Nav ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(13, 74, 122, 0.06);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(13, 74, 122, 0.1);
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
}

.logo-text {
  line-height: 1.2;
}

.logo-text small {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-light);
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-body);
  position: relative;
  padding: 6px 0;
  transition: var(--transition);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: 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-cta {
  background: var(--primary);
  color: #fff !important;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(13, 74, 122, 0.3);
}

.nav-cta::after {
  display: none;
}

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

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

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

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: var(--font);
}

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

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 74, 122, 0.3);
}

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

.btn-accent:hover {
  background: #00b5ee;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 163, 224, 0.3);
}

.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: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1rem;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  overflow: hidden;
  padding-top: 108px;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 163, 224, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 163, 224, 0.2);
  border: 1px solid rgba(0, 163, 224, 0.4);
  color: #7dd3f5;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 20px;
}

.hero h1 span {
  color: var(--accent);
}

.hero-desc {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
  line-height: 1.8;
}

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

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat-item {
  text-align: left;
}

.hero-stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}

/* ===== Page Banner ===== */
.page-banner {
  padding: 170px 0 80px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 163, 224, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.page-banner h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
}

.page-banner p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.75);
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  position: relative;
  z-index: 2;
}

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

/* ===== Cards / Grid ===== */
.card-grid {
  display: grid;
  gap: 28px;
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

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

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--accent-light), #d4ecf7);
  color: var(--primary);
}

.card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

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

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  transition: var(--transition);
}

.card-link:hover {
  gap: 8px;
}

/* ===== Feature List ===== */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.feature-check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  margin-top: 2px;
}

.feature-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--text-body);
}

/* ===== Split Section ===== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.split-content h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.split-content p {
  font-size: 1rem;
  color: var(--text-body);
  margin-bottom: 24px;
  line-height: 1.8;
}

.split-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--accent-light), var(--bg-light));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.split-image-visual {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
}

/* ===== Process Steps ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-num {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 20px;
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 16px rgba(0, 163, 224, 0.3);
}

.process-step h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.9rem;
  color: var(--text-body);
}

/* ===== Stats ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 24px;
}

.stat-num {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 10px;
}

/* ===== Product Category ===== */
.product-category {
  margin-bottom: 56px;
}

.product-category-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.product-category-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.product-category-header h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-dark);
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-info-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.contact-info-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 0.95rem;
  color: var(--text-body);
}

/* ===== Form ===== */
.contact-form {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.form-group {
  margin-bottom: 20px;
}

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font);
  color: var(--text-dark);
  background: var(--bg-light);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(0, 163, 224, 0.12);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===== Map ===== */
.map-container {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-top: 48px;
}

.map-placeholder {
  width: 100%;
  height: 360px;
  background: linear-gradient(135deg, var(--accent-light), var(--bg-light));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: var(--primary);
}

.map-placeholder svg {
  width: 48px;
  height: 48px;
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--border));
}

.timeline-item {
  position: relative;
  padding-bottom: 36px;
}

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

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

.timeline-year {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.timeline-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--text-body);
}

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  text-align: center;
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: 10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 163, 224, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-section h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
}

.cta-section p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 32px;
  position: relative;
  z-index: 2;
}

.cta-section .btn {
  position: relative;
  z-index: 2;
}

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

.value-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.value-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-light), #d4ecf7);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 20px;
}

.value-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.value-card p {
  font-size: 0.92rem;
  color: var(--text-body);
}

/* ===== Certifications ===== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.cert-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}

.cert-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.cert-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  background: var(--accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent);
}

.cert-item h5 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
}

.cert-item p {
  font-size: 0.82rem;
  color: var(--text-light);
  margin-top: 4px;
}

/* ===== Footer ===== */
.footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-brand .logo small {
  color: rgba(255, 255, 255, 0.5);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 320px;
}

.footer-col h5 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

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

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

.footer-contact li {
  display: flex;
  gap: 10px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
  align-items: flex-start;
}

.footer-contact li svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--accent);
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== Animations ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up:nth-child(2) {
  transition-delay: 0.1s;
}

.fade-up:nth-child(3) {
  transition-delay: 0.2s;
}

.fade-up:nth-child(4) {
  transition-delay: 0.3s;
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero-stats {
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 108px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 24px;
    gap: 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-200%);
    transition: transform 0.4s ease;
    align-items: stretch;
  }

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

  .nav-menu a {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-cta {
    margin-top: 12px;
    text-align: center;
    border-bottom: none !important;
  }

  .nav-toggle {
    display: flex;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 64px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

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

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

  .hero-stat-num {
    font-size: 1.6rem;
  }

  .page-banner {
    padding: 120px 0 56px;
  }

  .page-banner h1 {
    font-size: 1.8rem;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

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

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

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

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

  .contact-form {
    padding: 28px 20px;
  }
}

/* ===== CMS 图片上传样式 ===== */
/* 图片已上传时的容器样式（data-cms-img 渲染为 background-image） */
.cms-img-set {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* 分段背景图（data-cms-bg 渲染，含遮罩层） */
.cms-bg-set {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* 小图标容器：保留浅色底，图片铺满 */
.card-icon[data-cms-img].cms-img-set,
.value-icon[data-cms-img].cms-img-set,
.cert-icon[data-cms-img].cms-img-set,
.process-num[data-cms-img].cms-img-set {
  background-color: var(--accent-light);
}

/* 流程步骤数字：上传图片后隐藏数字文本 */
.process-num[data-cms-img].cms-img-set {
  color: transparent;
}

/* Logo 图标：等比完整显示，去除渐变底色 */
.logo-icon[data-cms-img].cms-img-set {
  background-color: transparent;
  background-size: contain;
}

/* 大图展示区圆角 */
.split-image-visual[data-cms-img].cms-img-set {
  border-radius: var(--radius);
}

/* ===== 地图容器 ===== */
.map-container[data-cms-map] {
  position: relative;
  width: 100%;
  height: 450px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--bg-light);
}

.map-container[data-cms-map] iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

/* 位置展示图片（后台选择"展示图片"方式时替代地图） */
.map-container[data-cms-map] img.map-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 成功案例卡片 ===== */
.case-card {
  overflow: hidden;
  padding: 0;
}

.case-img {
  width: 100%;
  height: 200px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  overflow: hidden;
}

.case-img svg {
  width: 48px;
  height: 48px;
  opacity: 0.4;
}

.case-img.cms-img-set svg {
  display: none;
}

.case-card .card-body {
  padding: 24px;
}

.case-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-light);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 10px;
}

.case-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
  line-height: 1.5;
}

.case-card p {
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.7;
}

/* ===== 往期活动卡片 ===== */
.activity-card {
  overflow: hidden;
  padding: 0;
}

.activity-img {
  width: 100%;
  height: 200px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  overflow: hidden;
}

.activity-img svg {
  width: 48px;
  height: 48px;
  opacity: 0.4;
}

.activity-img.cms-img-set svg {
  display: none;
}

.activity-card .card-body {
  padding: 24px;
}

.activity-date {
  display: inline-block;
  padding: 4px 14px;
  background: var(--primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 4px;
  margin-bottom: 10px;
}

.activity-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
  line-height: 1.5;
}

.activity-card p {
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.7;
}

/* =========================================================
   大金官网风格升级 (Daikin-inspired design)
   ========================================================= */

/* ===== 顶部热线条 Topbar ===== */
.topbar {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8rem;
  height: 36px;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1001;
}

.topbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 22px;
}

.topbar-left a {
  color: rgba(255, 255, 255, 0.85);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.topbar-left a:hover {
  color: var(--accent-bright);
}

.topbar-hotline {
  font-weight: 600;
  color: #fff !important;
  letter-spacing: 0.5px;
}

.topbar-hotline svg {
  color: var(--accent-bright);
}

.topbar-slogan {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ===== 导航（大金风格：白底 + 底部蓝条 hover）===== */
.header {
  top: 36px;
}

.nav {
  height: 76px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
}

.nav-menu a {
  font-size: 1rem;
  padding: 10px 0;
}

.nav-menu > li {
  position: relative;
}

/* 下拉菜单（产品服务） */
.has-dropdown {
  position: relative;
}

.has-dropdown > a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

.has-dropdown > a:hover::after,
.has-dropdown > a.active::after {
  width: 100%;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 260px;
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: 0 16px 48px rgba(0, 62, 120, 0.18);
  border: 1px solid var(--border);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 100;
}

.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 6px;
  font-size: 0.92rem;
  color: var(--text-body);
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

.dropdown a:hover {
  background: var(--accent-light);
  color: var(--primary);
}

.dropdown a .dd-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--accent-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dropdown a .dd-arrow {
  margin-left: auto;
  color: var(--text-light);
  font-size: 0.8rem;
}

/* ===== Hero 品牌标语 ===== */
.hero-slogan {
  display: block;
  font-size: 3.6rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.hero-slogan .slogan-accent {
  color: var(--accent-bright);
}

.hero-title-sub {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 14px;
}

.hero-contact-row {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  flex-wrap: wrap;
}

.hero-hotline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.hero-hotline svg {
  color: var(--accent-bright);
}

.hero-hotline-label {
  font-size: 0.8rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  display: block;
  letter-spacing: 2px;
}

@media (max-width: 968px) {
  .hero-slogan {
    font-size: 2.4rem;
  }
  .hero-title-sub {
    font-size: 1.15rem;
  }
}

@media (max-width: 768px) {
  .hero-slogan {
    font-size: 1.9rem;
    letter-spacing: 1px;
  }
  .topbar-slogan {
    display: none;
  }
}

/* ===== 产品探索（大图卡片）===== */
.explore-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.explore-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  display: block;
  background: var(--accent-light);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

.explore-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.explore-card .explore-visual {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform 0.5s ease;
}

.explore-card:hover .explore-visual {
  transform: scale(1.05);
}

.explore-card .explore-visual svg {
  width: 56px;
  height: 56px;
  opacity: 0.35;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--primary);
}

.explore-card .explore-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 62, 120, 0.92) 0%, rgba(0, 62, 120, 0.35) 45%, rgba(0, 62, 120, 0) 100%);
  transition: var(--transition);
}

.explore-card:hover .explore-mask {
  background: linear-gradient(to top, rgba(0, 91, 172, 0.95) 0%, rgba(0, 91, 172, 0.45) 55%, rgba(0, 91, 172, 0.1) 100%);
}

.explore-card .explore-body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 24px;
  color: #fff;
  z-index: 2;
}

.explore-card .explore-en {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.65);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.explore-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.explore-card p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.explore-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  padding-bottom: 3px;
  transition: var(--transition);
}

.explore-link svg {
  transition: transform 0.3s ease;
}

.explore-card:hover .explore-link {
  border-color: var(--accent-bright);
  color: var(--accent-bright);
}

.explore-card:hover .explore-link svg {
  transform: translateX(4px);
}

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

@media (max-width: 768px) {
  .explore-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== 经销商资质带（PROSHOP 风格）===== */
.dealer-band {
  background: linear-gradient(120deg, var(--primary-deep) 0%, var(--primary-dark) 60%, var(--primary) 100%);
  color: #fff;
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.dealer-band::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -5%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(0, 160, 233, 0.18) 0%, transparent 70%);
  border-radius: 50%;
}

.dealer-band::after {
  content: "";
  position: absolute;
  bottom: -50%;
  left: -5%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  border-radius: 50%;
}

.dealer-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
}

.dealer-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 160, 233, 0.22);
  border: 1px solid rgba(0, 160, 233, 0.5);
  color: #7fd6ff;
  padding: 7px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 22px;
}

.dealer-inner h2 {
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 16px;
}

.dealer-inner h2 span {
  color: var(--accent-bright);
}

.dealer-inner > div > p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.9;
  margin-bottom: 28px;
}

.dealer-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.dealer-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.dealer-point {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 22px 20px;
  transition: var(--transition);
  backdrop-filter: blur(6px);
}

.dealer-point:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px);
}

.dealer-point .dp-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(0, 160, 233, 0.25);
  color: #7fd6ff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.dealer-point h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 5px;
}

.dealer-point p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
}

@media (max-width: 968px) {
  .dealer-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .dealer-points {
    grid-template-columns: 1fr;
  }
  .dealer-inner h2 {
    font-size: 1.6rem;
  }
}

/* ===== 品牌荣誉条 ===== */
.brand-strip {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  padding: 26px 0;
}

.brand-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.brand-strip-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-body);
  font-size: 0.9rem;
  font-weight: 500;
}

.brand-strip-item svg {
  color: var(--accent);
}

/* ===== 页脚（大金风格：深蓝 + 分组）===== */
.footer {
  background: var(--primary-deep);
}

.footer-col h5 {
  font-size: 1.02rem;
  color: #fff;
  letter-spacing: 1px;
}

.footer-col ul li a:hover {
  color: var(--accent-bright);
}

/* 页脚大标语 */
.footer-slogan {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 3px;
  margin-bottom: 6px;
}

.footer-slogan small {
  display: block;
  font-size: 0.78rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 6px;
  margin-top: 6px;
}