:root {
      --green: #16734f;
      --green-dark: #0b4633;
      --mint: #e8f6ef;
      --blue: #176b87;
      --gold: #d7a642;
      --ink: #17231f;
      --muted: #64736d;
      --line: #dfe9e4;
      --white: #ffffff;
      --bg: #f7faf8;
      --shadow: 0 18px 46px rgba(20, 55, 42, .12);
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: "Microsoft YaHei", Arial, sans-serif;
      color: var(--ink);
      background: var(--bg);
      line-height: 1.6;
    }

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

.topbar {
      background: var(--green-dark);
      color: rgba(255, 255, 255, .86);
      font-size: 14px;
    }

    .topbar-inner,
    .nav-inner,
    .section-inner {
      width: min(85%, calc(100% - 40px));
      margin: 0 auto;
    }

    .topbar-inner {
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 260px;
    }

    .brand strong {
      display: block;
      font-size: 18px;
      line-height: 1.2;
      color: var(--green-dark);
    }

    .brand span {
      display: block;
      font-size: 12px;
      color: var(--muted);
      margin-top: 2px;
    }

    .menu {
      display: flex;
      align-items: center;
      gap: 28px;
      font-size: 15px;
      color: #2f403b;
      white-space: nowrap;
    }

    .menu a:hover {
      color: var(--green);
    }

    .phone {
      padding: 10px 16px;
      border-radius: 6px;
      background: var(--green);
      color: white;
      font-weight: 700;
      box-shadow: 0 10px 24px rgba(22, 115, 79, .22);
    }

    .hero {
      min-height: calc(100vh - 114px);
      display: grid;
      align-items: center;
      position: relative;
      overflow: hidden;
      background:
        linear-gradient(90deg, rgba(6, 44, 31, .86), rgba(6, 44, 31, .58), rgba(6, 44, 31, .2)),
        url("https://images.unsplash.com/photo-1581093458791-9d09cc1f1c64?auto=format&fit=crop&w=1800&q=80") center/cover;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 120px;
      background: linear-gradient(180deg, transparent, var(--bg));
    }

    .hero-content {
      position: relative;
      z-index: 2;
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
      padding: 88px 0 126px;
      color: white;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #dff8e9;
      font-weight: 700;
      letter-spacing: 0;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 34px;
      height: 2px;
      background: var(--gold);
    }

    h1 {
      margin: 0;
      max-width: 760px;
      font-size: clamp(36px, 5vw, 68px);
      line-height: 1.12;
      letter-spacing: 0;
    }

    .hero-text {
      max-width: 650px;
      margin: 24px 0 34px;
      font-size: 19px;
      color: rgba(255, 255, 255, .9);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 0 22px;
      border-radius: 6px;
      font-weight: 700;
      border: 1px solid transparent;
    }

    .btn-primary {
      background: var(--gold);
      color: #251b08;
    }

    .btn-secondary {
      border-color: rgba(255, 255, 255, .45);
      color: white;
      background: rgba(255, 255, 255, .08);
    }

    .stats {
      margin-top: -72px;
      position: relative;
      z-index: 3;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      background: var(--white);
      border-radius: 8px;
      box-shadow: var(--shadow);
      border: 1px solid var(--line);
      overflow: hidden;
    }

    .stat {
      padding: 28px 26px;
      border-right: 1px solid var(--line);
    }

    .stat:last-child {
      border-right: 0;
    }

    .stat strong {
      display: block;
      color: var(--green);
      font-size: 30px;
      line-height: 1.1;
    }

    .stat span {
      display: block;
      color: var(--muted);
      margin-top: 8px;
      font-size: 14px;
    }

    section {
      padding: 20px 0 82px;
    }

    .section-title {
      /*max-width: 760px;*/
      margin-bottom: 34px;
    }

    .section-title .small {
      color: var(--green);
      font-weight: 800;font-size: 40px;
    text-transform: uppercase;
    }

    .section-title h2 {
      margin: 8px 0 10px;
      font-size: clamp(28px, 3vw, 42px);
      line-height: 1.2;
    }

    .section-title p {
      color: var(--muted);
      margin: 0;
    }

    .services {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 18px;
    }

    .service-card {
      background: white;
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 28px;
      min-height: 220px;
      transition: .2s ease;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
      border-color: rgba(22, 115, 79, .28);
    }

    .icon {
      width: 48px;
      height: 48px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      background: var(--mint);
      color: var(--green);
      font-size: 24px;
      margin-bottom: 18px;
    }

    .service-card h3 {
      margin: 0 0 10px;
      font-size: 20px;
    }

    .service-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }


    .check {
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: var(--green);
      color: white;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      font-size: 14px;
      margin-top: 2px;
    }

    .process {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .step {
      background: white;
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 24px;
      position: relative;
    }

    .step b {
      display: inline-grid;
      place-items: center;
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: var(--green-dark);
      color: white;
      margin-bottom: 18px;
    }

    .step h3 {
      margin: 0 0 8px;
      font-size: 18px;
    }

    .step p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .cta {
      padding: 76px 0;
      background:
        linear-gradient(90deg, rgba(11, 70, 51, .94), rgba(23, 107, 135, .88)),
        url("https://images.unsplash.com/photo-1532187643603-ba119ca4109e?auto=format&fit=crop&w=1600&q=80") center/cover;
      color: white;
    }

    .cta-inner {
      width: min(80%, calc(100% - 40px));
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
    }

    .cta h2 {
      margin: 0 0 12px;
      font-size: clamp(28px, 3vw, 42px);
      line-height: 1.2;
    }

    .cta p {
      margin: 0;
      color: rgba(255,255,255,.84);
      max-width: 680px;
    }

    footer {
      background: #071f17;
      color: rgba(255,255,255,.72);
      padding: 38px 0;
      font-size: 14px;
    }

    .footer-inner {
      width: min(80%, calc(100% - 40px));
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }

    @media (max-width: 900px) {
      .menu {
        display: none;
      }

      .stats-grid,
      .services,
      .about-grid,
      .process,
      .cta-inner {
        grid-template-columns: 1fr;    grid-template-columns: repeat(2, 1fr);
      }

      .stat {
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

      .stat:last-child {
        border-bottom: 0;
      }

      .hero {
        min-height: 680px;
      }

      .about-image {
        min-height: 300px;
      }
    }

    @media (max-width: 560px) {
      .topbar-inner {
        height: auto;
        padding: 8px 0;
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
      }

      .brand strong {
        font-size: 16px;
      }

      .phone {
        display: none;
      }

      section {
        padding: 58px 0;
      }

      .hero-content {
        padding-top: 70px;
      }
    }


/* =========================
   首页新闻动态
========================= */

.news-section {
  padding: 88px 0;
  background: #f5faf7;
}

.news-container {
  width: min(85%, calc(100% - 32px));
  margin: 0 auto;
}

.news-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 34px;
}

.news-eyebrow {
  display: block;
  margin-bottom: 8px;
  color: #1fb64a;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 2px;
}

.news-heading h2 {
  margin: 0 0 8px;
  color: #17231f;
  font-size: clamp(30px, 3vw, 42px);
  line-height: 1.2;
}

.news-heading p {
  margin: 0;
  color: #66736d;
  font-size: 15px;
}

.news-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: #0f7b3b;
  font-size: 15px;
  font-weight: 700;
}

.news-more span {
  font-size: 22px;
  transition: transform .2s ease;
}

.news-more:hover span {
  transform: translateX(5px);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.news-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid #e2eee6;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(24, 82, 50, .06);
  transition:
    transform .25s ease,
    box-shadow .25s ease,
    border-color .25s ease;
}

.news-card:hover {
  transform: translateY(-7px);
  border-color: rgba(31, 182, 74, .5);
  box-shadow: 0 18px 36px rgba(24, 82, 50, .15);
}

.news-image {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 1.45 / 1;
  background: #dfeee3;
}

.news-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}

.news-card:hover .news-image img {
  transform: scale(1.07);
}

.news-type {
  position: absolute;
  left: 14px;
  bottom: 12px;
  padding: 5px 10px;
  border-radius: 3px;
  background: #1fb64a;
  color: #fff;
  font-size: 12px;
  line-height: 1.2;
}

.news-content {
  padding: 20px 19px 22px;
}

.news-content time {
  display: block;
  margin-bottom: 9px;
  color: #8b9891;
  font-size: 12px;
}

.news-content h3 {
  height: 52px;
  margin: 0 0 12px;
  overflow: hidden;
  font-size: 17px;
  line-height: 1.55;
  font-weight: 800;
}

.news-content h3 a {
  transition: color .2s ease;
}

.news-content h3 a:hover {
  color: #0f7b3b;
}

.news-content p {
  display: -webkit-box;
  height: 48px;
  margin: 0 0 18px;
  overflow: hidden;
  color: #718078;
  font-size: 13px;
  line-height: 1.85;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #0f7b3b;
  font-size: 13px;
  font-weight: 700;
}

.news-link span {
  font-size: 18px;
  transition: transform .2s ease;
}

.news-link:hover span {
  transform: translateX(5px);
}

/* 平板端：一排显示两个 */
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .news-content h3 {
    height: auto;
    min-height: 52px;
  }
}

/* 手机端：一列显示 */
@media (max-width: 640px) {
  .news-section {
    padding: 58px 0;
  }

  .news-container {
    width: min(100% - 28px, 480px);
  }

  .news-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
  }

  .news-heading h2 {
    font-size: 30px;
  }

  .news-more {
    align-self: flex-start;
  }

  .news-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .news-image {
    aspect-ratio: 1.7 / 1;
  }

  .news-content {
    padding: 18px 17px 20px;
  }

  .news-content h3 {
    min-height: auto;
    font-size: 18px;
  }

  .news-content p {
    height: auto;
    min-height: 48px;
  }
}

@media(max-width:991px){
    .section-title .small{font-size: 26px;}
    .topbar-inner, .nav-inner, .section-inner{width: min(90%, calc(100% - 40px));}
    .service-card{padding: 10px;min-height: 180px;}
    .cta .cta-inner{grid-template-columns: 1fr;}
    .service-card h3{font-size: 18px;}
}