:root {
  --green: #6ca842;
  --green-dark: #416f2d;
  --ink: #182234;
  --muted: #5e6978;
  --soft: #f2f7ee;
  --blue-soft: #edf7f8;
  --line: #dfe6dc;
  --white: #fff;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fff; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; line-height: 1.75; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 20px; top: 20px; z-index: 99; background: #fff; padding: 8px 12px; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.95); border-bottom: 1px solid rgba(0,0,0,.06); backdrop-filter: blur(10px); }
.nav-wrap { min-height: 76px; display: flex; align-items: center; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; margin-right: auto; }
.brand-mark { width: 42px; height: 42px; border-radius: 50% 44% 50% 38%; display: grid; place-items: center; color: #fff; font-weight: 800; background: var(--green); transform: rotate(-5deg); }
.brand strong, .brand small { display: block; line-height: 1.2; }
.brand strong { font-size: 20px; letter-spacing: .04em; }
.brand small { color: var(--muted); font-size: 10px; margin-top: 3px; }
nav { display: flex; gap: 22px; }
nav a { text-decoration: none; font-size: 15px; color: #3c4654; }
nav a:hover { color: var(--green-dark); }
.header-phone { text-decoration: none; background: var(--green); color: #fff; font-weight: 700; padding: 10px 18px; border-radius: 999px; }
.hero { background: linear-gradient(135deg, #f7fbf4 0%, #edf7f8 100%); padding: 72px 0 62px; }
.hero-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 54px; align-items: center; }
.eyebrow { margin: 0 0 12px; color: var(--green-dark); font-weight: 800; font-size: 14px; letter-spacing: .1em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.28; margin-top: 0; }
h1 { font-size: clamp(38px, 5vw, 64px); letter-spacing: -.035em; margin-bottom: 24px; }
h2 { font-size: clamp(30px, 3.5vw, 44px); letter-spacing: -.025em; margin-bottom: 18px; }
h3 { font-size: 21px; margin-bottom: 10px; }
.lead { font-size: 19px; color: var(--muted); max-width: 680px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 10px; text-decoration: none; font-weight: 750; border: 1px solid var(--green); }
.button.primary { color: #fff; background: var(--green); }
.button.secondary { color: var(--green-dark); background: #fff; }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 34px 0 0; }
.hero-facts div { padding-top: 14px; border-top: 1px solid #cddbc6; }
.hero-facts dt { color: var(--muted); font-size: 12px; }
.hero-facts dd { margin: 4px 0 0; font-weight: 750; font-size: 14px; }
.hero-image { position: relative; margin: 0; }
.hero-image img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 30px 8px 30px 8px; box-shadow: 0 24px 70px rgba(31, 69, 45, .18); }
.hero-image figcaption { position: absolute; right: 16px; bottom: 16px; background: rgba(255,255,255,.9); padding: 6px 11px; border-radius: 999px; font-size: 12px; }
.section { padding: 92px 0; }
.soft { background: var(--soft); }
.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; }
.align-center { align-items: center; }
.section-heading p:last-child { color: var(--muted); max-width: 760px; }
.section-heading.centered { text-align: center; max-width: 820px; }
.section-heading.centered p:last-child { margin-inline: auto; }
.prose { color: #3f4b5b; }
.prose.large { font-size: 18px; }
.prose p:first-child { margin-top: 0; }
.photo-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 52px; }
.photo-strip img { width: 100%; height: 245px; object-fit: cover; border-radius: 18px; }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 42px; }
.service-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 26px; min-height: 290px; }
.card-number { display: inline-grid; place-items: center; width: 42px; height: 42px; background: var(--blue-soft); color: #31869a; border-radius: 50%; font-weight: 850; margin-bottom: 28px; }
.service-card p { color: var(--muted); margin-bottom: 0; }
.feature-grid { display: grid; grid-template-columns: 1fr .86fr; gap: 70px; align-items: center; }
.rounded-image { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 30px 10px; }
.dark-section { color: #fff; background: #172234; }
.light .eyebrow { color: #a9d391; }
.method-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.15); margin-top: 40px; }
.method-grid article { padding: 30px; background: #172234; }
.method-grid span { color: #9eca84; font-weight: 800; }
.method-grid p { color: #c7cfda; margin-bottom: 0; }
.text-link { color: var(--green-dark); font-weight: 800; text-decoration: none; border-bottom: 1px solid currentColor; }
.note { padding: 14px 16px; border-left: 3px solid var(--green); background: rgba(255,255,255,.65); font-size: 15px; }
.contact-section { background: #f7faf7; }
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: stretch; }
address { font-style: normal; }
address strong { color: var(--ink); }
.map-card { min-height: 420px; border: 1px solid var(--line); border-radius: 24px; background: radial-gradient(circle at 70% 30%, #fff 0 5%, transparent 6%), linear-gradient(120deg, #e6f0e0, #e8f4f4); padding: 50px; display: flex; flex-direction: column; justify-content: center; }
.map-pin { width: 52px; height: 52px; display: grid; place-items: center; color: var(--green); background: #fff; border-radius: 50%; box-shadow: 0 12px 30px rgba(0,0,0,.1); margin-bottom: 20px; }
.site-footer { background: #101825; color: #d8dee8; padding: 55px 0 28px; }
.footer-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; }
.site-footer p { margin: 6px 0; }
.legal { border-top: 1px solid rgba(255,255,255,.1); margin-top: 30px; padding-top: 24px; font-size: 13px; color: #aeb8c7; }
.page-hero { padding: 90px 0 70px; background: linear-gradient(135deg, #f6faf3, #edf7f8); }
.page-hero .container { max-width: 900px; }
.page-hero p:last-child { font-size: 18px; color: var(--muted); }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.team-grid article { border: 1px solid var(--line); padding: 28px; border-radius: 18px; text-align: center; }
.avatar { width: 84px; height: 84px; border-radius: 50%; background: var(--soft); color: var(--green-dark); display: grid; place-items: center; font-size: 32px; font-weight: 800; margin: 0 auto 18px; }
.empty-state { border: 1px dashed #aab7a6; background: var(--soft); padding: 50px; border-radius: 20px; text-align: center; }
@media (max-width: 900px) {
  nav { display: none; }
  .hero-grid, .split, .feature-grid, .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero { padding-top: 46px; }
  .cards, .method-grid, .team-grid { grid-template-columns: repeat(2, 1fr); }
  .photo-strip { grid-template-columns: 1fr 1fr; }
  .photo-strip img:last-child { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .header-phone { display: none; }
  .nav-wrap { min-height: 66px; }
  h1 { font-size: 38px; }
  .section { padding: 68px 0; }
  .hero-facts, .cards, .method-grid, .team-grid, .photo-strip, .footer-grid { grid-template-columns: 1fr; }
  .photo-strip img:last-child { grid-column: auto; }
  .service-card { min-height: auto; }
  .map-card { min-height: 320px; padding: 30px; }
}

/* 首页首屏 1.0 校正 */
@media (min-width: 901px) {
  .hero {
    padding: 58px 0 56px;
  }

  .hero-grid {
    grid-template-columns: 1.08fr .92fr;
    gap: 44px;
  }

  .hero h1 {
    font-size: clamp(42px, 4.1vw, 52px);
    line-height: 1.22;
    letter-spacing: -.03em;
  }
}

    
/* 伊恩正式品牌Logo */
.brand-logo {
  display: block;
  width: 148px;
  height: auto;
  max-height: 58px;
  object-fit: contain;
  object-position: left center;
}

@media (max-width: 700px) {
  .brand-logo {
    width: 118px;
    max-height: 48px;
  }
}


/* 可点击地图地址卡 */
.map-card-clickable {
  position: relative;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
}

.map-card-clickable:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(24, 35, 54, .10);
}

.map-card-overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: block;
  border-radius: inherit;
}

/* 首页首屏图片高度调整 */
@media (min-width: 901px) {
  .hero-image {
    height: 420px;
    overflow: hidden;
  }

  .hero-image img {
    width: 100%;
    height: 100%;
    max-height: none;
    aspect-ratio: auto;
    object-fit: cover;
    object-position: center center;
  }
}

/* 首页首屏图片高度调整 */
@media (min-width: 901px) {
  .hero-image {
    height: 420px;
    overflow: hidden;
  }

  .hero-image img {
    width: 100%;
    height: 100%;
    max-height: none;
    aspect-ratio: auto;
    object-fit: cover;
    object-position: center center;
  }
}