/* 四川国淳企业管理咨询有限公司 官网样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #1f5c8b;
  --primary-dark: #174a70;
  --accent: #c9a15a;
  --text: #333;
  --text-light: #666;
  --bg: #ffffff;
  --bg-alt: #f5f7f9;
  --border: #e5e9ed;
}

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

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

/* ===== ICP 备案条 ===== */
.icp-bar {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  text-align: center;
  padding: 6px 20px;
  font-size: 13px;
  color: var(--text-light);
  letter-spacing: .5px;
}
.icp-bar a { color: var(--text-light); }
.icp-bar a:hover { color: var(--primary); }

/* ===== Header ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 8px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: var(--primary);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  border-radius: 6px;
  letter-spacing: 1px;
}
.logo-text { font-size: 17px; font-weight: 600; color: var(--text); }
.nav { display: flex; gap: 6px; flex-wrap: wrap; }
.nav a {
  padding: 8px 14px;
  color: var(--text);
  font-size: 15px;
  border-radius: 4px;
}
.nav a:hover { background: var(--bg-alt); color: var(--primary); }
.nav a.active { background: var(--primary); color: #fff; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 90px 0;
  text-align: center;
}
.hero h1 { font-size: 36px; letter-spacing: 4px; margin-bottom: 18px; }
.hero p { max-width: 640px; margin: 0 auto 30px; font-size: 16px; opacity: .92; }
.btn {
  display: inline-block;
  padding: 12px 36px;
  border: 1px solid rgba(255,255,255,.7);
  color: #fff;
  border-radius: 4px;
  font-size: 15px;
  transition: all .2s;
}
.btn:hover { background: #fff; color: var(--primary); }

/* ===== Sections ===== */
.section { padding: 64px 0; }
.section-alt { background: var(--bg-alt); }
.section-title {
  font-size: 26px;
  text-align: center;
  color: var(--text);
  margin-bottom: 36px;
  letter-spacing: 2px;
}
.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: var(--accent);
  margin: 14px auto 0;
}

.page-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  text-align: center;
  padding: 56px 0;
}
.page-banner h1 { font-size: 30px; letter-spacing: 6px; }

.page-content { max-width: 820px; margin: 0 auto; }
.page-content p { margin-bottom: 16px; text-align: justify; color: var(--text-light); }

/* ===== Home ===== */
.intro-grid { max-width: 820px; margin: 0 auto; }
.intro-text p { margin-bottom: 16px; text-align: justify; color: var(--text-light); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 24px;
  transition: box-shadow .2s, transform .2s;
}
.card:hover { box-shadow: 0 6px 18px rgba(31,92,139,.12); transform: translateY(-3px); }
.card h3 { color: var(--primary); font-size: 18px; margin-bottom: 10px; }
.card p { color: var(--text-light); font-size: 14.5px; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  text-align: center;
}
.feature h3 { font-size: 18px; color: var(--text); margin-bottom: 8px; }
.feature p { color: var(--text-light); font-size: 14.5px; }

/* ===== About ===== */
.info-list { max-width: 760px; margin: 0 auto; }
.info-item {
  display: flex;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  gap: 16px;
}
.info-label {
  flex: 0 0 120px;
  color: var(--primary);
  font-weight: 600;
}

/* ===== Services ===== */
.service-list { max-width: 860px; margin: 0 auto; }
.service-item {
  display: flex;
  gap: 24px;
  padding: 26px 20px;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.service-no {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  flex: 0 0 48px;
}
.service-body h3 { font-size: 18px; margin-bottom: 6px; color: var(--text); }
.service-body p { color: var(--text-light); font-size: 14.5px; }

.step-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}
.step { text-align: center; padding: 10px; }
.step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.step h3 { font-size: 17px; margin-bottom: 6px; }
.step p { color: var(--text-light); font-size: 14px; }

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 860px;
  margin: 0 auto;
}
.contact-card {
  background: var(--bg-alt);
  border-radius: 8px;
  padding: 26px 24px;
  text-align: center;
}
.contact-card h3 {
  font-size: 15px;
  color: var(--primary);
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.contact-card p { color: var(--text-light); font-size: 15px; }
.contact-note {
  max-width: 820px;
  margin: 36px auto 0;
  text-align: center;
  color: var(--text-light);
}

/* ===== Footer ===== */
.site-footer {
  background: #22303c;
  color: rgba(255,255,255,.85);
  text-align: center;
  padding: 36px 0;
  font-size: 14px;
}
.site-footer p { margin-bottom: 6px; }
.site-footer a { color: rgba(255,255,255,.85); }

/* ===== Responsive ===== */
@media (max-width: 720px) {
  .hero { padding: 60px 0; }
  .hero h1 { font-size: 26px; letter-spacing: 2px; }
  .logo-text { font-size: 15px; }
  .header-inner { justify-content: center; }
  .nav a { padding: 7px 10px; font-size: 14px; }
  .section { padding: 46px 0; }
  .info-item { flex-direction: column; gap: 4px; }
  .info-label { flex-basis: auto; }
  .service-item { flex-direction: column; gap: 8px; }
}