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

body {
  font-family: "Inter", sans-serif;
  background-color: #ffffff;
  color: #1a2f2c;
  line-height: 1.5;
  scroll-behavior: smooth;
}

.container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 24px;
}

.icon {
  width: 1em;
  height: 1em;
  fill: currentColor;
  vertical-align: middle;
  overflow: hidden;
}


/* 导航栏 水润风格 */
.navbar {
  background: #0c4e46;
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 16px 0;
  box-shadow: 0 6px 18px rgba(0, 32, 32, 0.12);
}

.nav-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo h1 {
  font-size: 1.6rem;
  font-weight: 700;
  color: white;
  letter-spacing: -0.2px;
  margin-bottom: 0;
}

.logo span {
  font-weight: 500;
  font-size: 0.9rem;
  background: #38b2ac;
  padding: 2px 10px;
  border-radius: 60px;
  margin-left: 10px;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  color: #eafaf7;
  text-decoration: none;
  font-weight: 500;
  transition: 0.2s;
}

.nav-links a:hover {
  color: #ffdd88;
}

.phone-nav {
  background: #e67e22;
  padding: 8px 20px;
  border-radius: 40px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: white;
  text-decoration: none;
  transition: 0.2s;
}

.phone-nav i {
  font-size: 1rem;
}

.phone-nav:hover {
  background: #cf711f;
  transform: translateY(-2px);
}

/* Banner 水韵动效背景 */
.hero {
  background: linear-gradient(105deg, #115e54 0%, #1f8a7c 100%);
  padding: 100px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -40%;
  left: -20%;
  width: 140%;
  height: 160%;
  background: radial-gradient(ellipse at 30% 50%,
      rgba(255, 255, 245, 0.12) 2%,
      transparent 2.5%);
  background-size: 55px 55px;
  pointer-events: none;
  animation: subtleDrift 22s infinite linear;
}

@keyframes subtleDrift {
  0% {
    transform: translate(0, 0);
  }

  100% {
    transform: translate(30px, 20px);
  }
}

.hero-content {
  max-width: 850px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero h2 {
  font-size: 3rem;
  font-weight: 800;
  color: white;
  margin-bottom: 20px;
  animation: fadeUpWater 0.8s ease-out;
}

.hero .accent {
  color: #ffe2a4;
}

.hero p {
  font-size: 1.25rem;
  color: #dcfaf5;
  margin-bottom: 28px;
  animation: fadeUpWater 0.8s 0.1s both;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  animation: fadeUpWater 0.8s 0.2s both;
}

.stat-badge {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(6px);
  border-radius: 50px;
  padding: 6px 15px;
  font-weight: 600;
  color: white;
}

@keyframes fadeUpWater {
  from {
    opacity: 0;
    transform: translateY(36px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 通用标题 */
.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  color: #155e54;
  margin-bottom: 12px;
}

.section-sub {
  text-align: center;
  color: #5c8c84;
  margin-bottom: 48px;
  font-size: 1.1rem;
}

/* 公司介绍区域 */
.about-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  align-items: center;
}

.about-text {
  flex: 1.2;
}

.about-text p {
  margin-bottom: 20px;
  color: #2a4a44;
  line-height: 1.65;
}

.about-image {
  flex: 0.9;
  text-align: center;
}

.about-image img {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 32px;
  box-shadow: 0 20px 30px -8px rgba(0, 0, 0, 0.18);
  transition: transform 0.3s;
}

.about-image img:hover {
  transform: scale(1.01);
}

.contact-inline {
  background: #e1f6f2;
  padding: 16px 24px;
  border-radius: 60px;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  font-weight: 500;
}

.contact-inline i {
  color: #e67e22;
  margin-right: 8px;
}

/* 产品系列 */
.products-section {
  background: #f9fffd;
  padding: 40px 0 35px;
}

.series {
  margin-bottom: 70px;
}

.series-header {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 32px;
  padding-left: 18px;
  border-left: 6px solid #38b2ac;
  color: #0f5e54;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 32px;
}

.product-card {
  background: white;
  border-radius: 32px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.2, 0.85, 0.4, 1);
  box-shadow: 0 12px 24px -12px rgba(0, 0, 0, 0.08);
  border: 1px solid #d9eee8;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 36px -12px rgba(0, 0, 0, 0.15);
  border-color: #38b2ac60;
}

.product-img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  background: #edf7f4;
}

.product-info {
  padding: 18px 12px;
  text-align: center;
}

.product-info h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: #1a5e54;
}

/* 优势区域 */
.advantages {
  background: #ffffff;
  padding: 40px 0;
}

.adv-flex {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
  margin-top: 24px;
}

.adv-item {
  background: #f4fefb;
  border-radius: 32px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.2s;
  border: 1px solid #def0ea;
}

.adv-item i {
  font-size: 2.6rem;
  color: #e67e22;
  margin-bottom: 20px;
}

.adv-item h4 {
  font-size: 1.4rem;
  margin-bottom: 14px;
  font-weight: 700;
  color: #115e54;
}

/* 底部 */
.footer {
  background: #09423c;
  color: #d6f0eb;
  padding: 44px 0 28px;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.friend-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 32px;
}

.friend-links a {
  color: #caeee7;
  text-decoration: none;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.07);
  padding: 6px 18px;
  border-radius: 50px;
  transition: 0.2s;
}

.friend-links a:hover {
  background: #e67e22;
  color: white;
}

.copyright {
  font-size: 0.8rem;
  border-top: 1px solid #2c7168;
  padding-top: 28px;
  margin-top: 10px;
}

/* 移动端一键拨号 */
.float-phone {
  position: fixed;
  bottom: 26px;
  right: 26px;
  background: #e67e22;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.28);
  z-index: 1100;
  transition: 0.2s;
  text-decoration: none;
  color: white;
  font-size: 28px;
}

.float-phone:hover {
  background: #c55f10;
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: 14px;
  }

  .series {
    margin-bottom: 35px;
  }

  .nav-links {
    justify-content: center;
    gap: 10px;
  }

  .hero h2 {
    font-size: 2rem;
  }

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

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

  .about-grid {
    flex-direction: column-reverse;
  }

  .product-grid {
    gap: 20px;
  }

  .hero-stats {
    gap: 12px;
  }

  .product-info h4 {
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {

  .phone-nav {
    padding: 8px 12px;

  }

  .friend-links a {
    font-size: 1.1rem;
  }

  .copyright {
    font-size: 1.05rem;
  }
}

.btn-water {
  display: inline-block;
  margin-top: 24px;
  background: transparent;
  border: 1.8px solid #ffdd99;
  color: #ffdd99;
  padding: 10px 30px;
  border-radius: 50px;
  font-weight: 600;
  transition: 0.25s;
  text-decoration: none;
}

.btn-water:hover {
  background: #ffdd99;
  color: #0c4e46;
}