/* 河南朗月清风网络科技有限公司 官网样式
   主题锁定:浅色;主色取自 logo(青绿 + 叶绿) */

:root {
  --ink: #1e2e31;
  --body: #48595d;
  --muted: #75868a;
  --teal: #0a838c;
  --teal-dark: #076a71;
  --green: #35b5ac;
  --paper: #fafbfa;
  --surface: #ffffff;
  --tint: #e7f4f5;
  --line: #dce9ea;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(10, 131, 140, 0.10);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--teal-dark); }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- 导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.brand img { height: 34px; width: auto; }
.brand-name { font-size: 17px; font-weight: 600; letter-spacing: 0.04em; }
.brand-sub { font-size: 11px; color: var(--muted); letter-spacing: 0.12em; }

.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; }
.nav-links a {
  display: block;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 15px;
  color: var(--body);
  transition: background 0.2s ease, color 0.2s ease;
}
.nav-links a:hover { background: var(--tint); color: var(--teal-dark); }
.nav-links a.active { color: var(--teal-dark); font-weight: 600; background: var(--tint); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  color: var(--ink);
  font-size: 18px;
  line-height: 1;
}

/* ---------- Hero ---------- */
.hero { padding: 72px 0 80px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(30px, 4.2vw, 44px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  font-weight: 700;
}
.hero h1 .accent { color: var(--teal); }
.hero p.lede {
  margin-top: 20px;
  font-size: 17px;
  color: var(--body);
  max-width: 34em;
}
.hero-actions { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 11px 26px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--teal); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--teal-dark); color: #fff; }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); background: var(--surface); }
.btn-ghost:hover { border-color: var(--teal); color: var(--teal-dark); }

.hero-panel {
  background: linear-gradient(160deg, #e5f4f5 0%, #f2faf9 55%, #e9f6f4 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 44px 36px;
  text-align: center;
}
.hero-panel img { margin: 0 auto; max-width: 230px; }
.hero-panel .panel-tag {
  margin-top: 22px;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.2em;
}

/* ---------- 通用区块 ---------- */
.section { padding: 72px 0; }
.section.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 40em; }
.section-head h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 700; }
.section-head p { margin-top: 12px; color: var(--body); font-size: 16px; }

/* 简介条 */
.intro-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.intro-strip .intro-text p { color: var(--body); font-size: 16px; margin-top: 14px; }
.intro-chips { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.chip {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.chip strong { display: block; font-size: 15px; color: var(--teal-dark); }
.chip span { font-size: 13px; color: var(--muted); }

/* 服务 2x2 */
.services-grid {
  margin-top: 44px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.service-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 30px;
  background: var(--surface);
}
.service-card.tinted { background: var(--tint); border-color: #cfe5e6; }
.service-card h3 { font-size: 18px; margin-bottom: 10px; }
.service-card h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  margin-right: 10px;
  vertical-align: 3px;
}
.service-card p { color: var(--body); font-size: 15px; }

/* 行业经验列表 */
.industries-grid {
  margin-top: 44px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
}
.industry-row { padding: 22px 0; border-bottom: 1px solid var(--line); }
.industry-row:nth-last-child(-n + 2) { border-bottom: none; }
.industry-row h3 { font-size: 16px; color: var(--teal-dark); margin-bottom: 6px; }
.industry-row p { font-size: 14.5px; color: var(--body); }

/* 流程 */
.process {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.process-step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
}
.process-step .num {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 8px;
}
.process-step h3 { font-size: 15.5px; margin-bottom: 6px; }
.process-step p { font-size: 13px; color: var(--muted); line-height: 1.6; }

/* 信息表(关于我们 / 联系我们) */
.info-card {
  margin-top: 40px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.info-card header {
  padding: 20px 28px;
  background: var(--tint);
  font-weight: 600;
  color: var(--teal-dark);
  border-bottom: 1px solid var(--line);
}
.info-row {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 20px;
  padding: 16px 28px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.info-row:last-child { border-bottom: none; }
.info-row .label { color: var(--muted); }
.info-row .value { color: var(--ink); }

/* 承诺条 */
.assure {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.assure div {
  border-left: 3px solid var(--green);
  padding: 6px 0 6px 18px;
}
.assure h3 { font-size: 15.5px; margin-bottom: 4px; }
.assure p { font-size: 13.5px; color: var(--body); }

/* 页尾 CTA 带 */
.cta-band {
  background: linear-gradient(135deg, var(--teal-dark), var(--teal) 60%, #00b3ba);
  border-radius: 16px;
  padding: 44px 48px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.cta-band h2 { font-size: 24px; font-weight: 700; }
.cta-band p { margin-top: 6px; font-size: 15px; opacity: 0.88; }
.cta-band .btn-light {
  background: #fff;
  color: var(--teal-dark);
  border-radius: 8px;
  padding: 11px 26px;
  font-weight: 600;
  white-space: nowrap;
}
.cta-band .btn-light:hover { color: var(--teal); }

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: 80px;
  background: #1c2e31;
  color: #b6c8ca;
  padding: 36px 0 20px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1.6fr;
  gap: 40px;
  align-items: start;
}
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo img { height: 34px; width: auto; background: #fff; border-radius: 8px; padding: 4px; }
.footer-logo span { font-size: 16px; font-weight: 600; color: #fff; letter-spacing: 0.06em; }
.footer-brand p { line-height: 1.9; }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; font-weight: 600; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 10px; line-height: 1.6; }
.site-footer a { color: #b6c8ca; }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 28px;
  justify-content: center;
  text-align: center;
  font-size: 13.5px;
  color: #9db0b3;
}
.footer-bottom a { color: #9db0b3; }
.footer-bottom a:hover { color: #fff; }

/* ---------- 内页头部 ---------- */
.page-head { padding: 64px 0 40px; }
.page-head h1 { font-size: clamp(28px, 3.6vw, 38px); font-weight: 700; }
.page-head p { margin-top: 14px; color: var(--body); font-size: 16.5px; max-width: 42em; }
.crumbs { font-size: 13.5px; color: var(--muted); margin-bottom: 18px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--teal-dark); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 48px 0 56px; }
  .intro-strip { grid-template-columns: 1fr; gap: 32px; }
  .services-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: 1fr; }
  .industry-row:nth-last-child(2) { border-bottom: 1px solid var(--line); }
  .process { grid-template-columns: 1fr 1fr; }
  .assure { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 32px 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 18px;
    gap: 2px;
  }
  .nav-links.open { display: flex; }
  .info-row { grid-template-columns: 1fr; gap: 2px; padding: 14px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ---------- 案例轮播 ---------- */
.carousel-wrap { margin-top: 40px; position: relative; }
.carousel {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 4px 18px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.carousel figure {
  flex: 0 0 320px;
  scroll-snap-align: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.carousel figure img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  object-position: top center;
}
.carousel figcaption { padding: 14px 18px 16px; }
.carousel figcaption strong { display: block; font-size: 15px; color: var(--ink); }
.carousel figcaption span { font-size: 13px; color: var(--muted); }
.carousel-btns { display: flex; gap: 10px; margin-top: 6px; }
.carousel-btns button {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--teal-dark);
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.carousel-btns button:hover { background: var(--tint); border-color: var(--teal); }
@media (max-width: 720px) {
  .carousel figure { flex: 0 0 260px; }
}