/* 海南鹰海科技官网样式 */
:root {
  --primary: #0d5ea8;
  --primary-dark: #084078;
  --primary-light: #1a7fd4;
  --accent: #00b4d8;
  --accent-light: #48cae4;
  --text: #1a1a2e;
  --text-muted: #5a6270;
  --bg: #ffffff;
  --bg-light: #f4f8fc;
  --bg-section: #eef4fa;
  --border: #dde5ef;
  --shadow: 0 4px 24px rgba(13, 94, 168, 0.1);
  --shadow-lg: 0 12px 48px rgba(13, 94, 168, 0.15);
  --radius: 12px;
  --transition: 0.3s ease;
  --header-height: 72px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

/* 图标文字白色描边 */
.icon-large,
.product-icon,
.culture-card .icon,
.case-img,
.product-detail-icon,
.contact-item .icon,
.news-card-img {
  -webkit-text-stroke: 1.5px #ffffff;
  paint-order: stroke fill;
  text-shadow:
    1px 0 0 #ffffff,
    -1px 0 0 #ffffff,
    0 1px 0 #ffffff,
    0 -1px 0 #ffffff,
    1px 1px 0 #ffffff,
    -1px -1px 0 #ffffff,
    1px -1px 0 #ffffff,
    -1px 1px 0 #ffffff;
}

.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
  filter:
    drop-shadow(1px 0 0 #ffffff)
    drop-shadow(-1px 0 0 #ffffff)
    drop-shadow(0 1px 0 #ffffff)
    drop-shadow(0 -1px 0 #ffffff)
    drop-shadow(1px 1px 0 #ffffff)
    drop-shadow(-1px -1px 0 #ffffff)
    drop-shadow(1px -1px 0 #ffffff)
    drop-shadow(-1px 1px 0 #ffffff);
}

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 顶部导航 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary);
}

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

.nav a {
  padding: 8px 16px;
  font-size: 0.95rem;
  color: var(--text);
  border-radius: 6px;
  transition: all var(--transition);
}

.nav a:hover,
.nav a.active {
  color: var(--primary);
  background: rgba(13, 94, 168, 0.08);
}

.header-contact {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-phone {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.header-phone strong {
  color: var(--primary);
  font-size: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 94, 168, 0.35);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 180, 216, 0.35);
}

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

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

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

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
}

/* ===== 轮播 Banner ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  max-height: 800px;
  margin-top: var(--header-height);
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.8s ease;
  background-size: cover;
  background-position: center;
}

.hero-slide.active {
  opacity: 1;
  z-index: 1;
}

.hero-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(135deg, rgba(13, 94, 168, 0.55) 0%, rgba(26, 127, 212, 0.35) 50%, rgba(0, 180, 216, 0.2) 100%);
}

.hero-slide:nth-child(1) {
  background-image: url("../images/banner1.jpg");
}

.hero-slide:nth-child(2) {
  background-image: url("../images/banner2.jpg");
}

.hero-slide:nth-child(3) {
  background-image: url("../images/banner3.jpg");
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 720px;
  color: #fff;
  animation: fadeUp 0.8s ease;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
}

.hero-content p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  opacity: 0.92;
  margin-bottom: 36px;
  line-height: 1.8;
}

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

.hero-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.hero-dot.active {
  background: #fff;
  width: 32px;
  border-radius: 6px;
}

.hero-arrows {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-arrows:hover {
  background: rgba(255, 255, 255, 0.3);
}

.hero-prev { left: 24px; }
.hero-next { right: 24px; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 页面 Banner ===== */
.page-banner {
  margin-top: var(--header-height);
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  text-align: center;
}

.page-banner h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 12px;
}

.page-banner p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  margin-top: 16px;
  font-size: 0.9rem;
  opacity: 0.8;
}

.breadcrumb a:hover {
  opacity: 1;
  text-decoration: underline;
}

/* ===== 通用区块 ===== */
.section {
  padding: 80px 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--text);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  margin: 12px auto 0;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 640px;
  margin: 16px auto 0;
}

/* ===== 企业简介 ===== */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.intro-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.intro-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.stat-item {
  text-align: center;
  padding: 24px 16px;
  background: var(--bg-light);
  border-radius: var(--radius);
}

.stat-item .number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.stat-item .label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.intro-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--bg-section), #d4e8f7);
  display: flex;
  align-items: center;
  justify-content: center;
}

.intro-visual-inner {
  text-align: center;
  padding: 40px;
}

.intro-visual-inner .icon-large {
  font-size: 4rem;
  margin-bottom: 16px;
}

.intro-visual-inner h3 {
  color: var(--primary);
  font-size: 1.3rem;
}

/* ===== 产品卡片 ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform var(--transition);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

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

.product-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(13, 94, 168, 0.1), rgba(0, 180, 216, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.product-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--text);
}

.product-card .subtitle {
  font-size: 0.85rem;
  color: var(--primary);
  margin-bottom: 16px;
  font-weight: 500;
}

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

.product-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 20px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 500;
}

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

/* ===== 企业文化 ===== */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.culture-card {
  text-align: center;
  padding: 40px 28px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.culture-card:hover {
  transform: translateY(-4px);
}

.culture-card .icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #fff;
}

.culture-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.culture-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.values-bar {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-top: 48px;
  flex-wrap: wrap;
}

.value-tag {
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-weight: 500;
  font-size: 0.95rem;
}

.value-tag:first-child {
  border-radius: 8px 0 0 8px;
}

.value-tag:last-child {
  border-radius: 0 8px 8px 0;
}

.value-tag:not(:last-child) {
  border-right: 1px solid rgba(255, 255, 255, 0.3);
}

/* ===== 合作服务 ===== */
.coop-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  text-align: center;
}

.coop-section .section-header h2 {
  color: #fff;
}

.coop-section .section-header h2::after {
  background: linear-gradient(90deg, #fff, var(--accent-light));
}

.coop-section .section-header p {
  color: rgba(255, 255, 255, 0.85);
}

.coop-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 800px;
  margin: 0 auto 48px;
}

.coop-stat {
  padding: 32px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.coop-stat .number {
  font-size: 2.5rem;
  font-weight: 700;
}

.coop-stat .label {
  margin-top: 8px;
  opacity: 0.9;
}

.coop-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== 关于页面 ===== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-intro p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.culture-detail {
  margin-bottom: 48px;
}

.culture-detail h3 {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 16px;
  padding-left: 16px;
  border-left: 4px solid var(--accent);
}

.culture-detail .main-text {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 12px;
}

.culture-detail .interpret {
  color: var(--text-muted);
  margin-bottom: 8px;
  padding-left: 20px;
  border-left: 2px solid var(--border);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

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

.value-card h4 {
  color: var(--primary);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.value-card .keywords {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 12px;
  font-weight: 500;
}

.value-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== 服务案例 ===== */
.cases-region {
  margin-bottom: 48px;
}

.cases-region:last-child {
  margin-bottom: 0;
}

.cases-region-title {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 24px;
  padding-left: 16px;
  border-left: 4px solid var(--accent);
}

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

.case-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.case-img {
  height: 200px;
  background-size: cover;
  background-position: center;
}

.case-img-clinic { background-image: url("../images/case-clinic.jpg"); }
.case-img-healthcenter { background-image: url("../images/case-healthcenter.jpg"); }
.case-img-hospital { background-image: url("../images/case-hospital.jpg"); }
.case-img-chain-pharmacy { background-image: url("../images/case-chain-pharmacy.jpg"); }
.case-img-pharmacy { background-image: url("../images/case-pharmacy.jpg"); }

.case-body {
  padding: 24px;
}

.case-body h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

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

.case-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(13, 94, 168, 0.1);
  color: var(--primary);
  border-radius: 20px;
  font-size: 0.8rem;
  margin-top: 12px;
}

/* ===== 产品详情 ===== */
.product-detail {
  margin-bottom: 64px;
}

.product-detail:last-child {
  margin-bottom: 0;
}

.product-detail-header {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
}

.product-detail-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: #fff;
  flex-shrink: 0;
}

.product-detail-header h2 {
  font-size: 1.6rem;
  margin-bottom: 4px;
}

.product-detail-header .target {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--bg-light);
  border-radius: 8px;
}

.feature-item .check {
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.feature-item span {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.advantage-box {
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(13, 94, 168, 0.08), rgba(0, 180, 216, 0.08));
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
}

.advantage-box strong {
  color: var(--primary);
}

.advantage-box span {
  color: var(--text-muted);
}

/* ===== 合作加盟 ===== */
.coop-advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.coop-adv-card {
  padding: 28px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

.coop-adv-card .num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 16px;
}

.coop-adv-card h4 {
  margin-bottom: 8px;
  color: var(--text);
}

.coop-adv-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.coop-targets {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.coop-target-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-light);
  border-radius: 8px;
}

.coop-target-item .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.process-steps {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 48px;
  position: relative;
}

.process-steps::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--border);
}

.process-step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step .step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 12px;
  font-size: 1.1rem;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0 8px;
}

/* ===== 表单 ===== */
.form-section {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

.form-group label .required {
  color: #e63946;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition);
  background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 94, 168, 0.1);
}

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

.form-submit {
  margin-top: 24px;
  text-align: center;
}

.form-toast {
  display: none;
  position: fixed;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  padding: 16px 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  animation: fadeUp 0.3s ease;
}

.form-toast.show {
  display: block;
}

/* ===== 联系我们 ===== */
.contact-info-wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.contact-info-card {
  padding: 32px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.contact-info-card h3 {
  color: var(--primary);
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.contact-item .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(13, 94, 168, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item .info strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-item .info span {
  font-size: 1rem;
  color: var(--text);
}

.news-card-body .case-tag {
  display: inline-block;
  margin-top: 12px;
}

/* ===== 合作案例 ===== */
.news-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.news-tab {
  padding: 10px 28px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: #fff;
  cursor: pointer;
  font-size: 0.95rem;
  transition: var(--transition);
}

.news-tab:hover,
.news-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

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

.news-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.news-card-img {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: #fff;
}

.news-card-img.dynamic { background: linear-gradient(135deg, #0d5ea8, #48cae4); }
.news-card-img.industry { background: linear-gradient(135deg, #084078, #00b4d8); }
.news-card-img.case { background: linear-gradient(135deg, #0077b6, #1a7fd4); }

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

.news-card-body .date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.news-card-body h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  line-height: 1.5;
}

.news-card-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-body .read-more {
  display: inline-block;
  margin-top: 12px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 500;
}

.news-panel {
  display: none;
}

.news-panel.active {
  display: block;
}

/* ===== 产品下载 ===== */
.download-region {
  margin-bottom: 40px;
}

.download-region-toggle {
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-right: 40px;
}

.download-region-toggle::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: translateY(-70%) rotate(45deg);
  transition: transform var(--transition);
}

.download-region.active .download-region-toggle::after {
  transform: translateY(-20%) rotate(-135deg);
  border-color: var(--primary);
}

.download-region-panel {
  display: none;
  margin-top: 8px;
}

.download-region.active .download-region-panel {
  display: block;
}

.download-card {
  margin-bottom: 16px;
  padding: 0;
  background: var(--bg-light);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}

.download-card:last-child {
  margin-bottom: 0;
}

.download-card-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0;
  padding: 18px 24px;
  font-size: 1.15rem;
  color: var(--primary);
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

.download-card-toggle:hover {
  background: var(--bg-section);
}

.download-card-toggle::after {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  transition: transform var(--transition);
}

.download-card.active .download-card-toggle {
  background: var(--primary);
  color: #fff;
  border-bottom: none;
}

.download-card.active .download-card-toggle::after {
  transform: rotate(-135deg);
  border-color: #fff;
}

.download-card-panel {
  display: none;
  padding: 0 24px 24px;
}

.download-card.active .download-card-panel {
  display: block;
  padding-top: 8px;
}

.download-blocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.download-block {
  padding: 20px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.download-block h4 {
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--border);
}

.download-meta {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 2;
  margin-bottom: 16px;
}

.download-meta b {
  color: var(--text);
}

.download-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.download-actions > a:not(.btn-download) {
  color: var(--primary);
  font-size: 0.9rem;
}

.download-actions > a:not(.btn-download):hover {
  text-decoration: underline;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-radius: 8px;
  font-size: 0.95rem;
  transition: var(--transition);
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  color: #fff;
}

.btn-download img {
  width: 18px;
  height: 18px;
  display: inline-block;
}

/* ===== 底部 ===== */
.footer {
  background: #0a1628;
  color: rgba(255, 255, 255, 0.8);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  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 p {
  font-size: 0.9rem;
  line-height: 1.8;
  opacity: 0.7;
}

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

.footer-links a {
  display: block;
  padding: 6px 0;
  font-size: 0.9rem;
  opacity: 0.7;
  transition: var(--transition);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--accent-light);
  padding-left: 4px;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
}

.beian-icon {
  height: 25px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 5px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .product-grid,
  .culture-grid,
  .cases-grid,
  .news-grid,
  .coop-advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px;
    box-shadow: var(--shadow);
    border-bottom: 1px solid var(--border);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    width: 100%;
    padding: 12px 16px;
  }

  .header-contact {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

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

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

  .product-grid,
  .culture-grid,
  .cases-grid,
  .news-grid,
  .coop-advantage-grid,
  .values-grid,
  .coop-targets,
  .feature-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .intro-stats {
    grid-template-columns: 1fr;
  }

  .coop-stats {
    grid-template-columns: 1fr;
  }

  .process-steps {
    flex-direction: column;
    gap: 24px;
  }

  .process-steps::before {
    display: none;
  }

  .values-bar {
    flex-direction: column;
    align-items: center;
  }

  .value-tag {
    border-radius: 8px !important;
    border-right: none !important;
    margin-bottom: 4px;
    width: 100%;
    text-align: center;
  }

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

  .hero-arrows {
    display: none;
  }

  .section {
    padding: 56px 0;
  }

  .download-blocks {
    grid-template-columns: 1fr;
  }
}