/* ============================================
   湖北一参缘健康科技有限公司 - 企业官网样式
   全部原创设计 · 蓝白科技感
   ============================================ */

/* ---------- CSS 变量 ---------- */
:root {
  --primary: #1a6fc4;
  --primary-dark: #0d4a8a;
  --primary-light: #4da8f0;
  --accent: #e8f4fd;
  --bg-light: #f0f7ff;
  --bg-section: #f8fbff;
  --text-dark: #2c3e50;
  --text-body: #4a5568;
  --text-muted: #7f8c8d;
  --white: #ffffff;
  --border: #e2e8f0;
  --shadow-sm: 0 2px 8px rgba(26, 111, 196, 0.08);
  --shadow-md: 0 4px 20px rgba(26, 111, 196, 0.12);
  --shadow-lg: 0 8px 32px rgba(26, 111, 196, 0.16);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.3s ease;
  --font: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --max-width: 1200px;
}

/* ---------- 重置与基础 ---------- */
*,
*::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);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

ul, ol {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 通用标题 ---------- */
.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 32px;
  color: var(--text-dark);
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: 2px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 16px;
  margin-top: 16px;
}

/* ---------- 导航栏 ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  transition: box-shadow var(--transition);
}

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

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
}

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

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.navbar-menu a {
  padding: 8px 18px;
  font-size: 15px;
  color: var(--text-dark);
  border-radius: 6px;
  transition: all var(--transition);
  position: relative;
  font-weight: 500;
}

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

.navbar-menu a.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

/* 汉堡菜单 */
.navbar-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  background: none;
  border: none;
}

.navbar-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all var(--transition);
}

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

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

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

/* ---------- 首页 Banner ---------- */
.hero-banner {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0d4a8a 0%, #1a6fc4 40%, #4da8f0 100%);
  overflow: hidden;
  margin-top: 72px;
}

.hero-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-banner::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-geometric {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.hero-geometric .geo-shape {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.hero-geometric .geo-shape:nth-child(1) {
  width: 120px;
  height: 120px;
  top: 15%;
  right: 10%;
  transform: rotate(25deg);
}

.hero-geometric .geo-shape:nth-child(2) {
  width: 80px;
  height: 80px;
  top: 60%;
  right: 25%;
  transform: rotate(-15deg);
  border-radius: 50%;
}

.hero-geometric .geo-shape:nth-child(3) {
  width: 60px;
  height: 60px;
  top: 30%;
  right: 35%;
  transform: rotate(45deg);
}

.hero-geometric .geo-shape:nth-child(4) {
  width: 150px;
  height: 150px;
  bottom: 10%;
  right: 5%;
  transform: rotate(10deg);
  border-radius: 12px;
}

.hero-geometric .geo-shape:nth-child(5) {
  width: 40px;
  height: 40px;
  top: 20%;
  right: 50%;
  transform: rotate(60deg);
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
}

.hero-geometric .geo-shape:nth-child(6) {
  width: 90px;
  height: 90px;
  bottom: 25%;
  right: 40%;
  transform: rotate(-30deg);
  border-radius: 8px;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  max-width: 650px;
}

.hero-content h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.hero-content h1 span {
  display: block;
  font-size: 24px;
  font-weight: 400;
  opacity: 0.85;
  margin-top: 8px;
  letter-spacing: 4px;
}

.hero-content p {
  font-size: 17px;
  line-height: 1.8;
  opacity: 0.9;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-btn {
  display: inline-block;
  padding: 14px 40px;
  background: var(--white);
  color: var(--primary);
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  transition: all var(--transition);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.hero-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
  color: var(--primary-dark);
}

/* ---------- 业务板块 ---------- */
.section-services {
  padding: 90px 0;
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

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

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

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

.service-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: var(--bg-light);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
}

.service-icon svg {
  width: 36px;
  height: 36px;
  transition: all var(--transition);
}

.service-card:hover .service-icon svg {
  stroke: var(--white);
}

.service-card h3 {
  font-size: 20px;
  color: var(--text-dark);
  margin-bottom: 12px;
  font-weight: 600;
}

.service-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- 公司简介（首页） ---------- */
.section-about-intro {
  padding: 90px 0;
  background: var(--bg-section);
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-intro-text h2 {
  font-size: 32px;
  color: var(--text-dark);
  font-weight: 700;
  margin-bottom: 10px;
}

.about-intro-text .subtitle {
  font-size: 14px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 24px;
  font-weight: 500;
}

.about-intro-text p {
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 1.9;
}

.about-intro-text .about-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
  transition: gap var(--transition);
}

.about-intro-text .about-link:hover {
  gap: 14px;
}

/* 关于我们视觉占位 */
.about-visual {
  width: 100%;
  height: 380px;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, #0d4a8a, #1a6fc4 50%, #4da8f0);
  position: relative;
  overflow: hidden;
}

.about-visual::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  border: 2px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.about-visual::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  border: 2px solid rgba(255,255,255,0.08);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.about-visual .av-inner {
  position: absolute;
  width: 100px;
  height: 100px;
  border: 2px solid rgba(255,255,255,0.06);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.about-visual .av-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  background: rgba(255,255,255,0.25);
  border-radius: 50%;
}

.about-visual .av-dot:nth-child(2) { top: 25%; left: 20%; }
.about-visual .av-dot:nth-child(3) { top: 15%; right: 30%; width: 6px; height: 6px; }
.about-visual .av-dot:nth-child(4) { bottom: 20%; left: 35%; width: 8px; height: 8px; }
.about-visual .av-dot:nth-child(5) { bottom: 30%; right: 15%; width: 12px; height: 12px; }
.about-visual .av-dot:nth-child(6) { top: 40%; left: 10%; width: 5px; height: 5px; }

.about-visual .av-label {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  letter-spacing: 4px;
  z-index: 2;
}

.about-visual .av-cross {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
}

.about-visual .av-cross::before,
.about-visual .av-cross::after {
  content: "";
  position: absolute;
  background: rgba(255,255,255,0.2);
}

.about-visual .av-cross::before {
  width: 2px;
  height: 100%;
  left: 50%;
  transform: translateX(-50%);
}

.about-visual .av-cross::after {
  width: 100%;
  height: 2px;
  top: 50%;
  transform: translateY(-50%);
}

/* 数据统计条 */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-top: -50px;
  position: relative;
  z-index: 10;
}

.stat-item {
  padding: 36px 20px;
  text-align: center;
  border-right: 1px solid var(--border);
}

.stat-item:last-child {
  border-right: none;
}

.stat-item .stat-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  display: block;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-item .stat-label {
  font-size: 14px;
  color: var(--text-muted);
}

/* ---------- 产品视觉占位（纯CSS） ---------- */
.product-visual {
  width: 100%;
  height: 200px;
  position: relative;
  overflow: hidden;
}

.product-visual-lg {
  height: 220px;
}

.product-visual .pv-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255,255,255,0.92);
  color: var(--primary-dark);
  font-size: 12px;
  padding: 3px 12px;
  border-radius: 20px;
  font-weight: 500;
  z-index: 3;
}

.product-visual .pv-name {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px 16px 14px;
  background: linear-gradient(transparent, rgba(0,0,0,0.45));
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  z-index: 3;
}

/* 人参切片 */
.pv-ginseng {
  background: linear-gradient(140deg, #c08b3e, #d4a44c 40%, #a67520);
}

.pv-ginseng::before {
  content: "";
  position: absolute;
  width: 140px;
  height: 140px;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  top: 20%;
  left: 55%;
  transform: translateX(-50%);
}

.pv-ginseng::after {
  content: "";
  position: absolute;
  width: 80px;
  height: 200px;
  border-right: 2px solid rgba(255,255,255,0.1);
  border-radius: 0 50% 50% 0;
  top: -20%;
  left: 25%;
  transform: rotate(15deg);
}

/* 枸杞原浆 */
.pv-goji {
  background: linear-gradient(140deg, #c0392b, #e74c3c 50%, #d35400);
}

.pv-goji::before {
  content: "";
  position: absolute;
  width: 50px;
  height: 50px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  top: 25%;
  left: 30%;
}

.pv-goji::after {
  content: "";
  position: absolute;
  width: 35px;
  height: 35px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  top: 35%;
  right: 25%;
}

/* 灵芝孢子粉 */
.pv-reishi {
  background: linear-gradient(140deg, #6d4c2e, #8b6914 50%, #5d4037);
}

.pv-reishi::before {
  content: "";
  position: absolute;
  width: 120px;
  height: 60px;
  border: 2px solid rgba(255,255,255,0.12);
  border-radius: 60px 60px 0 0;
  top: 30%;
  left: 50%;
  transform: translateX(-50%);
}

.pv-reishi::after {
  content: "";
  position: absolute;
  width: 2px;
  height: 50px;
  background: rgba(255,255,255,0.1);
  top: 55%;
  left: 50%;
}

/* 菌菇礼盒 */
.pv-mushroom {
  background: linear-gradient(140deg, #5d6d3a, #7c8b4f 50%, #4a5d23);
}

.pv-mushroom::before {
  content: "";
  position: absolute;
  width: 70px;
  height: 70px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  top: 20%;
  left: 25%;
}

.pv-mushroom::after {
  content: "";
  position: absolute;
  width: 45px;
  height: 45px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
  top: 30%;
  right: 20%;
}

/* 高山茶叶 */
.pv-tea {
  background: linear-gradient(140deg, #1b5e20, #2e7d32 50%, #388e3c);
}

.pv-tea::before {
  content: "";
  position: absolute;
  width: 100px;
  height: 140px;
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 0 70% 70% 0;
  top: 10%;
  left: 35%;
  transform: rotate(-20deg);
}

.pv-tea::after {
  content: "";
  position: absolute;
  width: 60px;
  height: 90px;
  border: 2px solid rgba(255,255,255,0.07);
  border-radius: 0 60% 60% 0;
  top: 25%;
  left: 45%;
  transform: rotate(-10deg);
}

/* 五谷杂粮 */
.pv-grains {
  background: linear-gradient(140deg, #bf8c2e, #d4a748 50%, #c69032);
}

.pv-grains::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle 8px at 20% 30%, rgba(255,255,255,0.12) 100%, transparent 100%),
    radial-gradient(circle 6px at 50% 25%, rgba(255,255,255,0.1) 100%, transparent 100%),
    radial-gradient(circle 7px at 75% 40%, rgba(255,255,255,0.11) 100%, transparent 100%),
    radial-gradient(circle 5px at 35% 55%, rgba(255,255,255,0.09) 100%, transparent 100%),
    radial-gradient(circle 9px at 60% 60%, rgba(255,255,255,0.13) 100%, transparent 100%),
    radial-gradient(circle 6px at 85% 70%, rgba(255,255,255,0.1) 100%, transparent 100%),
    radial-gradient(circle 7px at 15% 70%, rgba(255,255,255,0.08) 100%, transparent 100%);
}

/* 血压监测仪 */
.pv-bpmonitor {
  background: linear-gradient(140deg, #0e4d6e, #1678a8 50%, #0a7ea4);
}

.pv-bpmonitor::before {
  content: "";
  position: absolute;
  width: 100px;
  height: 80px;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  top: 25%;
  left: 50%;
  transform: translateX(-50%);
}

.pv-bpmonitor::after {
  content: "";
  position: absolute;
  width: 60px;
  height: 2px;
  top: 42%;
  left: 50%;
  transform: translateX(-50%);
  background: repeating-linear-gradient(
    90deg,
    rgba(255,255,255,0.3),
    rgba(255,255,255,0.3) 4px,
    transparent 4px,
    transparent 6px,
    rgba(255,255,255,0.3) 6px,
    rgba(255,255,255,0.3) 12px,
    transparent 12px,
    transparent 14px,
    rgba(255,255,255,0.5) 14px,
    rgba(255,255,255,0.5) 16px,
    transparent 16px,
    transparent 18px,
    rgba(255,255,255,0.3) 18px,
    rgba(255,255,255,0.3) 22px
  );
}

/* 红外体温计 */
.pv-thermometer {
  background: linear-gradient(140deg, #00838f, #00acc1 50%, #0097a7);
}

.pv-thermometer::before {
  content: "";
  position: absolute;
  width: 20px;
  height: 80px;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 10px 10px 50% 50%;
  top: 22%;
  left: 50%;
  transform: translateX(-50%);
}

.pv-thermometer::after {
  content: "";
  position: absolute;
  width: 28px;
  height: 28px;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  top: 60%;
  left: 50%;
  transform: translateX(-50%);
}

/* 草本洗护 */
.pv-herbal {
  background: linear-gradient(140deg, #7b5ea7, #9c7ec4 50%, #8e6fb8);
}

.pv-herbal::before {
  content: "";
  position: absolute;
  width: 60px;
  height: 60px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  top: 20%;
  left: 30%;
}

.pv-herbal::after {
  content: "";
  position: absolute;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
  top: 40%;
  right: 25%;
}

/* 竹纤维毛巾 */
.pv-bamboo {
  background: linear-gradient(140deg, #43a047, #66bb6a 50%, #4caf50);
}

.pv-bamboo::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(90deg, transparent 18px, rgba(255,255,255,0.06) 18px, rgba(255,255,255,0.06) 20px, transparent 20px),
    linear-gradient(90deg, transparent 38px, rgba(255,255,255,0.05) 38px, rgba(255,255,255,0.05) 40px, transparent 40px),
    linear-gradient(90deg, transparent 58px, rgba(255,255,255,0.04) 58px, rgba(255,255,255,0.04) 60px, transparent 60px);
  background-size: 80px 100%;
}

/* 蜂蜜柚子茶 */
.pv-honeytea {
  background: linear-gradient(140deg, #e68a00, #f0a030 50%, #d4880c);
}

.pv-honeytea::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(120deg, transparent 45%, rgba(255,255,255,0.06) 45%, rgba(255,255,255,0.06) 50%, transparent 50%),
    linear-gradient(60deg, transparent 45%, rgba(255,255,255,0.05) 45%, rgba(255,255,255,0.05) 50%, transparent 50%),
    linear-gradient(120deg, transparent 65%, rgba(255,255,255,0.04) 65%, rgba(255,255,255,0.04) 70%, transparent 70%);
}

.pv-honeytea::after {
  content: "";
  position: absolute;
  width: 50px;
  height: 50px;
  border: 2px solid rgba(255,255,255,0.12);
  top: 25%;
  left: 50%;
  transform: translateX(-50%) rotate(30deg);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

/* 燕窝银耳羹 */
.pv-birdnest {
  background: linear-gradient(140deg, #c9a54e, #e8d089 50%, #d4b35c);
}

.pv-birdnest::before {
  content: "";
  position: absolute;
  width: 140px;
  height: 80px;
  border: 2px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  top: 28%;
  left: 50%;
  transform: translateX(-50%);
}

.pv-birdnest::after {
  content: "";
  position: absolute;
  width: 90px;
  height: 50px;
  border: 2px solid rgba(255,255,255,0.08);
  border-radius: 50%;
  top: 35%;
  left: 50%;
  transform: translateX(-50%);
}

/* ---------- 新闻视觉占位 ---------- */
.news-visual {
  width: 100%;
  height: 180px;
  position: relative;
  overflow: hidden;
}

.nv-1 {
  background: linear-gradient(135deg, #1a6fc4, #4da8f0);
}

.nv-2 {
  background: linear-gradient(135deg, #0d4a8a, #1a6fc4);
}

.nv-3 {
  background: linear-gradient(135deg, #2980b9, #6dd5fa);
}

.nv-4 {
  background: linear-gradient(135deg, #1565c0, #42a5f5);
}

.nv-5 {
  background: linear-gradient(135deg, #0d47a1, #1976d2);
}

.nv-6 {
  background: linear-gradient(135deg, #1e88e5, #90caf9);
}

.nv-7 {
  background: linear-gradient(135deg, #0b5394, #3d85c6);
}

.nv-8 {
  background: linear-gradient(135deg, #1a237e, #3f51b5);
}

.news-visual::before {
  content: "";
  position: absolute;
  width: 100px;
  height: 100px;
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  top: -20px;
  right: -20px;
}

.news-visual::after {
  content: "";
  position: absolute;
  width: 60px;
  height: 60px;
  border: 2px solid rgba(255,255,255,0.07);
  border-radius: 50%;
  bottom: -10px;
  left: -10px;
}

.news-visual .nv-date {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: rgba(255,255,255,0.8);
  z-index: 2;
}

.news-visual .nv-date .nv-day {
  display: block;
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  color: rgba(255,255,255,0.9);
}

.news-visual .nv-date .nv-month {
  display: block;
  font-size: 13px;
  letter-spacing: 2px;
  margin-top: 4px;
}

/* 新闻列表页缩略图 */
.news-thumb-visual {
  width: 240px;
  height: 150px;
  flex-shrink: 0;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

/* ---------- 荣誉视觉占位 ---------- */
.honor-visual {
  width: 100%;
  height: 180px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, var(--bg-light), #dce8f5);
}

.honor-visual::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border: 3px solid rgba(26, 111, 196, 0.15);
  border-radius: 50%;
}

.honor-visual::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  border: 2px solid rgba(26, 111, 196, 0.1);
  border-radius: 50%;
}

.honor-visual .hv-ribbon {
  position: absolute;
  top: -5px;
  right: 20px;
  width: 30px;
  height: 50px;
  background: var(--primary);
  opacity: 0.15;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 80%, 0 100%);
}

.honor-visual .hv-star {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
  background: var(--primary);
  opacity: 0.2;
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

/* ---------- 地图视觉占位 ---------- */
.map-visual {
  width: 100%;
  height: 100%;
  min-height: 380px;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, #e8f0fe, #f0f7ff);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.map-visual::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(0deg, transparent 24%, rgba(26,111,196,0.03) 25%, rgba(26,111,196,0.03) 26%, transparent 27%),
    linear-gradient(90deg, transparent 24%, rgba(26,111,196,0.03) 25%, rgba(26,111,196,0.03) 26%, transparent 27%);
  background-size: 40px 40px;
}

.map-visual .mv-pin {
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 34px;
}

.map-visual .mv-pin::before {
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  background: var(--primary);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  opacity: 0.3;
}

.map-visual .mv-pin::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--white);
  border-radius: 50%;
  top: 7px;
  left: 7px;
  opacity: 0.5;
}

.map-visual .mv-label {
  position: absolute;
  top: 55%;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  font-size: 14px;
  white-space: nowrap;
}

/* ---------- 产品推荐（首页） ---------- */
.section-products {
  padding: 90px 0;
  background: var(--white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

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

.product-card .product-info {
  padding: 20px;
}

.product-card .product-info h4 {
  font-size: 16px;
  color: var(--text-dark);
  margin-bottom: 8px;
  font-weight: 600;
}

.product-card .product-info p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

.product-card .product-info .detail-link {
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

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

/* ---------- 新闻动态（首页） ---------- */
.section-news {
  padding: 90px 0;
  background: var(--bg-section);
}

.news-list-home {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid var(--border);
}

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

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

.news-card .news-date {
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 10px;
  font-weight: 500;
}

.news-card .news-body h4 {
  font-size: 17px;
  color: var(--text-dark);
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card .news-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- Footer ---------- */
.footer {
  background: #1a2332;
  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;
}

.footer-col h4 {
  color: var(--white);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--primary-light);
}

.footer-col.footer-about p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 16px;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition);
}

.footer-col ul li a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

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

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

/* ---------- 内页 Banner ---------- */
.page-banner {
  margin-top: 72px;
  padding: 70px 0;
  background: linear-gradient(135deg, #0d4a8a 0%, #1a6fc4 60%, #4da8f0 100%);
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  top: -50%;
  right: -5%;
}

.page-banner h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.breadcrumb {
  font-size: 14px;
  opacity: 0.8;
  position: relative;
  z-index: 1;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

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

.breadcrumb span {
  margin: 0 8px;
}

/* ---------- 关于我们页面 ---------- */
.section-company-intro {
  padding: 90px 0;
}

.company-intro-content {
  max-width: 900px;
  margin: 0 auto;
}

.company-intro-content h3 {
  font-size: 24px;
  color: var(--text-dark);
  margin-bottom: 20px;
  font-weight: 600;
}

.company-intro-content p {
  margin-bottom: 18px;
  font-size: 15px;
  line-height: 2;
  text-indent: 2em;
}

/* 企业文化 */
.section-culture {
  padding: 90px 0;
  background: var(--bg-section);
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.culture-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  transition: all var(--transition);
  border: 1px solid var(--border);
}

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

.culture-card .culture-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.culture-card .culture-icon svg {
  width: 30px;
  height: 30px;
}

.culture-card h4 {
  font-size: 18px;
  color: var(--text-dark);
  margin-bottom: 10px;
  font-weight: 600;
}

.culture-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 发展历程 */
.section-timeline {
  padding: 90px 0;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--border);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 50px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
  text-align: right;
}

.timeline-item .timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: var(--shadow-sm);
  z-index: 2;
}

.timeline-item .timeline-content {
  width: 42%;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all var(--transition);
}

.timeline-item .timeline-content:hover {
  box-shadow: var(--shadow-md);
}

.timeline-item .timeline-year {
  font-size: 20px;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 8px;
}

.timeline-item .timeline-content h4 {
  font-size: 16px;
  color: var(--text-dark);
  margin-bottom: 6px;
  font-weight: 600;
}

.timeline-item .timeline-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 资质荣誉 */
.section-honors {
  padding: 90px 0;
  background: var(--bg-section);
}

.honors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.honor-item {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.honor-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.honor-item .honor-title {
  padding: 16px;
  text-align: center;
  font-size: 14px;
  color: var(--text-dark);
  font-weight: 500;
}

/* ---------- 产品中心页面 ---------- */
.section-products-page {
  padding: 90px 0;
}

.product-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 50px;
}

.product-filter .filter-btn {
  padding: 10px 28px;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: var(--white);
  color: var(--text-body);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
}

.product-filter .filter-btn:hover,
.product-filter .filter-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.products-page-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card-full {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

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

.product-card-full .product-detail {
  padding: 22px;
}

.product-card-full .product-detail h4 {
  font-size: 16px;
  color: var(--text-dark);
  margin-bottom: 8px;
  font-weight: 600;
}

.product-card-full .product-detail p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-full .product-detail .btn-detail {
  display: inline-block;
  padding: 8px 24px;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 13px;
  border-radius: 50px;
  transition: all var(--transition);
}

.product-card-full .product-detail .btn-detail:hover {
  background: var(--primary);
  color: var(--white);
}

/* ---------- 新闻资讯页面 ---------- */
.section-news-page {
  padding: 90px 0;
}

.news-page-list {
  max-width: 900px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  gap: 24px;
  padding: 30px 0;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}

.news-item:first-child {
  padding-top: 0;
}

.news-item:hover {
  padding-left: 10px;
}

.news-item .news-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-item .news-content .news-meta {
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 10px;
  font-weight: 500;
}

.news-item .news-content h3 {
  font-size: 19px;
  color: var(--text-dark);
  margin-bottom: 10px;
  font-weight: 600;
  line-height: 1.5;
  transition: color var(--transition);
}

.news-item:hover .news-content h3 {
  color: var(--primary);
}

.news-item .news-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 50px;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  color: var(--text-body);
  transition: all var(--transition);
}

.pagination a:hover,
.pagination span.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* ---------- 联系我们页面 ---------- */
.section-contact {
  padding: 90px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.contact-info-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  transition: all var(--transition);
}

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

.contact-info-card .contact-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 18px;
  background: var(--bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info-card .contact-icon svg {
  width: 28px;
  height: 28px;
}

.contact-info-card h4 {
  font-size: 16px;
  color: var(--text-dark);
  margin-bottom: 8px;
  font-weight: 600;
}

.contact-info-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.contact-form-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.contact-form h3 {
  font-size: 24px;
  color: var(--text-dark);
  margin-bottom: 30px;
  font-weight: 600;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  color: var(--text-dark);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font);
  color: var(--text-dark);
  transition: border-color var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 111, 196, 0.1);
}

.form-group textarea {
  height: 140px;
  resize: vertical;
}

.btn-submit {
  display: inline-block;
  padding: 13px 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(26, 111, 196, 0.3);
}

/* ---------- 返回顶部 ---------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ---------- 滚动动画 ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .stat-item:nth-child(2) {
    border-right: none;
  }
}

@media (max-width: 768px) {
  .navbar .container {
    height: 60px;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-menu {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .navbar-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .navbar-menu a {
    width: 100%;
    text-align: center;
    padding: 12px;
    border-radius: var(--radius);
  }

  .hero-banner {
    min-height: 450px;
    margin-top: 60px;
  }

  .hero-content h1 {
    font-size: 32px;
  }

  .hero-content h1 span {
    font-size: 18px;
  }

  .hero-content p {
    font-size: 15px;
  }

  .section-header h2 {
    font-size: 26px;
  }

  .about-intro-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

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

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

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

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

  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: row;
    text-align: left;
    padding-left: 50px;
  }

  .timeline-item .timeline-dot {
    left: 20px;
  }

  .timeline-item .timeline-content {
    width: 100%;
  }

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

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

  .news-item {
    flex-direction: column;
  }

  .news-thumb-visual {
    width: 100%;
    height: 180px;
  }

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

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

  .page-banner {
    margin-top: 60px;
    padding: 50px 0;
  }

  .page-banner h1 {
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  .hero-banner {
    min-height: 380px;
  }

  .hero-content h1 {
    font-size: 26px;
  }

  .hero-content h1 span {
    font-size: 16px;
  }

  .products-grid,
  .news-list-home,
  .products-page-grid {
    grid-template-columns: 1fr;
  }

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

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

  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .stat-item:last-child {
    border-bottom: none;
  }

  .product-filter .filter-btn {
    padding: 8px 18px;
    font-size: 13px;
  }
}