/* ========== CSS Variables ========== */
:root {
  --navy: #0f2242;
  --navy-2: #10284f;
  --navy-3: #0b1b34;
  --navy-dark: #071427;
  --orange: #f08a1f;
  --orange-2: #ff9a2f;
  --orange-light: #ffb15a;
  --text: #1d2a3a;
  --muted: #6b7686;
  --bg: #f5f7fb;
  --line: #d8dee9;
  --card: #ffffff;
  --section: #f7f8fb;
  --shadow-card: 0 0 0 1px rgba(218, 225, 233, 0.65) inset;
  --shadow-service: 0 0 0 1px rgba(225, 229, 236, 0.85) inset;
}

/* ========== Reset & Base ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
}
img {
  max-width: 100%;
  display: block;
  height: auto;
}
a {
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s;
}
a:hover {
  opacity: 0.85;
}
ul,
ol {
  list-style: none;
}

/* ========== Container ========== */
.container {
  width: 1720px;
  max-width: calc(100% - 48px);
  margin: 0 auto;
}

/* Navigation (保留：供 common/header 使用) */
nav {
  margin-left: auto;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 26px;
  margin: 0;
  padding: 0;
  font-size: 16px;
  color: #223;
}
nav li {
  position: relative;
  padding: 22px 0;
  cursor: pointer;
  transition: color 0.2s;
}
nav li:hover {
  color: var(--orange);
}
nav li.active {
  color: var(--orange);
  font-weight: 700;
}
nav li.active:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: var(--orange);
  border-radius: 999px;
}

/* Button (保留：供公共组件使用) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 55px;
  padding: 0 20px;
  border-radius: 8px;
  background: var(--orange);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(240, 138, 31, 0.18);
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}
.btn:hover {
  background: var(--orange-2);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(240, 138, 31, 0.25);
}

/* ========== Hero Section ========== */
.hero {
  padding: 0;
}
.hero img {
  width: 100%;
  height: auto;
  display: block;
}

/* Stats Bar */
.hero-stats {
  background: var(--navy-dark);
  border-top: 1px solid rgba(255, 196, 90, 0.45);
  color: #fff;
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  height: 94px;
  align-items: center;
}
.stat {
  text-align: center;
  position: relative;
}
.stat:not(:last-child):after {
  content: "";
  position: absolute;
  right: 0;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: rgba(255, 255, 255, 0.35);
}
.stat .num {
  font-size: 24px;
  font-weight: 800;
  color: #ffd08a;
  line-height: 1;
}
.stat .label {
  margin-top: 10px;
  font-size: 13px;
  color: #e3e9f3;
}

/* Cert Strip */
.cert-strip {
  padding: 0;
}
.cert-strip img {
  width: 100%;
  height: auto;
  display: block;
}

/* ========== Sections ========== */
.section-light {
  background: #fff;
}
.section-soft {
  background: var(--section);
}
.section-dark {
  background: linear-gradient(90deg, #0b1c36 0%, #0f2242 100%);
  color: #fff;
  padding: 40px 0;
}

/* Section Title */
.section-title {
  margin-bottom: 18px;
}
.section-title h2 {
  margin: 0;
  font-size: 26px;
  line-height: 1.25;
  font-weight: 800;
  color: #1c2430;
}
.section-title p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 14px;
  max-width: 760px;
}
.section-dark .section-title h2 {
  color: #fff;
}
.section-dark .section-title p {
  color: #d2d9e6;
}

/* Services Section */
.services-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.service-card {
  background: #fff;
  border-radius: 6px;
  padding: 18px;
  min-height: 126px;
  box-shadow: var(--shadow-service);
  transition: box-shadow 0.2s, transform 0.2s;
}
.service-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}
.service-card h4 {
  margin: 0 0 10px;
  font-size: 15px;
  color: #24578E;
}
.service-card p {
  margin: 0;
  color: #5c6674;
  font-size: 13px;
  line-height: 1.8;
}

/* Quality Section */
.quality-wrap {
  display: flex;
  align-items: stretch;
  gap: 24px;
}
.quality-wrap .quality-content {
  flex: 1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: stretch;
}
.quality-left h2 {
  color: #fff;
}
.quality-left p,
.quality-left li {
  color: #d2d9e6;
}
.quality-left ul {
  margin: 14px 0 0;
  padding-left: 18px;
  line-height: 1.8;
  font-size: 13px;
}
.quality-left ul li {
  margin-bottom: 6px;
  list-style-type: disc;
}
.quality-left ul li::marker {
  color: var(--orange);
}
.quality-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  align-content: start;
}
.quality-head {
  grid-column: 1 / -1;
  background: rgba(255, 255, 255, 0.08);
  border-top: 2px solid var(--orange);
  border-radius: 8px;
  padding: 14px 16px;
  color: #fff;
  min-height: 54px;
}
.mini {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  padding: 18px 14px;
  text-align: center;
  min-height: 84px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: background 0.2s;
}
.mini:hover {
  background: rgba(255, 255, 255, 0.25);
}
.mini .big {
  color: var(--orange-light);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 6px;
}
.mini .small {
  font-size: 12px;
  color: #fff;
  opacity: 0.95;
}

/* Brand Section */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 18px;
}
.brand {
  background: #fff;
  border: 1px solid #edf0f4;
  border-radius: 4px;
  height: 125px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: #293042;
  font-size: 13px;
  font-weight: 700;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  cursor: pointer;
}
.brand:hover {
  border-color: var(--orange);
  box-shadow: 0 4px 12px rgba(240, 138, 31, 0.12);
  transform: translateY(-2px);
}
.brand img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== Footer (保留：供 common/footer 使用) ========== */
footer {
  background: url('../img/index/Footer.jpg') top center / 100% 310px no-repeat;
  color: #c8c8c8;
  padding: 26px 0 34px;
  position: relative;
  overflow: hidden;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 24px;
  align-items: start;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-logo img {
  height: 50px;
  width: 136px;
}
.footer-title {
  color: #fff;
  font-weight: 700;
  font-size: 16px;
}
footer p,
footer li {
  font-size: 15px;
  line-height: 1.8;
  color: #a8a8a8;
}
footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.copyright {
  text-align: center;
  margin-top: 34px;
  font-size: 15px;
  color: #8c8c8c;
  position: relative;
}

/* ========== Responsive: Tablet (max-width: 900px) ========== */
@media (max-width: 900px) {
  .container {
    max-width: calc(100% - 24px);
  }

  nav {
    display: none;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    height: auto;
    padding: 20px 0;
  }
  .stat:not(:last-child):after {
    display: none;
  }

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

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

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

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

/* ========== Responsive: Mobile (max-width: 640px) ========== */
@media (max-width: 640px) {
  .topbar .container {
    justify-content: center;
    gap: 12px;
  }

  .header-inner {
    padding: 0 12px;
  }

  .stats {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 20px 0;
  }
  .stat .num {
    font-size: 20px;
  }

  .section-title h2 {
    font-size: 22px;
  }

  .services-grid,
  .quality-right,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .brand-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.xqk9f_banner_wrap__a91d3 {
    width: 100%;
    background: #dcdcdc;
    border-top: 1px solid #c9c9c9;
    border-bottom: 1px solid #c9c9c9;
    overflow: hidden;
    box-sizing: border-box;
  }

  .xqk9f_banner_inner__a91d3 {
    max-width: 1200px;
    margin: 0 auto;
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 24px;
    box-sizing: border-box;
  }

  .xqk9f_banner_item__a91d3 {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1 1 0;
    justify-content: center;
    white-space: nowrap;
  }

  .xqk9f_banner_icon__a91d3 {
    width: 24px;
    height: 24px;
    flex: 0 0 24px;
    border-radius: 50%;
    background: #f28c28;
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    line-height: 1;
    font-weight: 700;
    box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.12);
    transform: translateY(-0.5px);
  }

  .xqk9f_banner_text__a91d3 {
    color: #111111;
    font-size: 15px;
    line-height: 1.2;
    font-weight: 500;
    letter-spacing: 0;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* 平板端 */
  @media (max-width: 900px) {
    .xqk9f_banner_inner__a91d3 {
      flex-direction: column;
      align-items: stretch;
      justify-content: center;
      gap: 10px;
      padding: 12px 16px;
      min-height: auto;
    }

    .xqk9f_banner_item__a91d3 {
      justify-content: flex-start;
      white-space: normal;
    }

    .xqk9f_banner_text__a91d3 {
      font-size: 14px;
    }
  }

  /* 手机端 */
  @media (max-width: 480px) {
    .xqk9f_banner_inner__a91d3 {
      padding: 10px 12px;
      gap: 8px;
    }

    .xqk9f_banner_item__a91d3 {
      gap: 8px;
    }

    .xqk9f_banner_icon__a91d3 {
      width: 22px;
      height: 22px;
      flex-basis: 22px;
      font-size: 14px;
    }

    .xqk9f_banner_text__a91d3 {
      font-size: 13px;
      line-height: 1.25;
    }
  }