/* ========================================
   茂名市英财财税咨询有限公司 - 官网样式
   GEO 优化版 - 语义化、高性能、移动优先
   ======================================== */

/* 设计变量 */
:root {
  --color-primary: #1a4b8c;
  --color-primary-dark: #0f2d56;
  --color-primary-light: #2e6bc4;
  --color-accent: #d4943a;
  --color-accent-light: #e8b766;
  --color-success: #2d8659;
  --color-danger: #c0392b;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fa;
  --color-bg-dark: #0f2d56;
  --color-text: #1a1a2e;
  --color-text-muted: #6c7a89;
  --color-border: #e0e6ed;
  --color-border-dark: #2a4a7c;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.12);
  --max-width: 1200px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* 重置 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}
a { color: var(--color-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-accent); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* 容器 */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ====== Header ====== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}
.logo-text { line-height: 1.2; }
.logo-text small { display: block; font-size: 11px; font-weight: 400; color: var(--color-text-muted); }

/* 导航 */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 8px 14px;
  font-size: 15px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.main-nav a:hover, .main-nav a.active {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}
.nav-cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 9px 22px !important;
  border-radius: var(--radius-sm);
  font-weight: 500;
}
.nav-cta:hover { background: var(--color-primary-dark); }

/* 移动端菜单按钮 */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: 0.3s;
}

/* ====== Hero ====== */
.hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
  color: #fff;
  padding: 70px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(212,148,58,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner { position: relative; z-index: 1; display: flex; align-items: center; gap: 50px; }
.hero-content { flex: 1; }
.hero h1 {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 18px;
}
.hero h1 span { color: var(--color-accent-light); }
.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  opacity: 0.92;
  margin-bottom: 30px;
  max-width: 540px;
}
.hero-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}
.hero-keywords span {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s;
  border: none;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-light); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.5); }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); color: #fff; }
.btn-dark { background: var(--color-primary); color: #fff; }
.btn-dark:hover { background: var(--color-primary-dark); color: #fff; }

.hero-card {
  flex-shrink: 0;
  width: 340px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.20);
  border-radius: var(--radius-lg);
  padding: 30px;
  backdrop-filter: blur(10px);
}
.hero-card h3 { font-size: 16px; margin-bottom: 18px; opacity: 0.95; }
.hero-card ul li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-card ul li:last-child { border-bottom: none; }
.hero-card ul li::before { content: '\2713'; color: var(--color-accent-light); font-weight: 700; font-size: 16px; }

/* ====== Section 通用 ====== */
.section { padding: 70px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-title {
  text-align: center;
  margin-bottom: 50px;
}
.section-title h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}
.section-title h2 span { color: var(--color-primary); }
.section-title p { font-size: 16px; color: var(--color-text-muted); max-width: 600px; margin: 0 auto; }

/* ====== 服务卡片 ====== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}
.service-card h3 { font-size: 19px; font-weight: 600; margin-bottom: 12px; color: var(--color-text); }
.service-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 16px; }
.service-card .service-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.service-card .service-link::after { content: '\2192'; transition: transform 0.2s; }
.service-card:hover .service-link::after { transform: translateX(4px); }

/* ====== 信任信号 ====== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item { padding: 20px; }
.stat-num {
  font-size: 40px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-num span { font-size: 22px; }
.stat-label { font-size: 14px; color: var(--color-text-muted); }

/* ====== FAQ 手风琴 ====== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item[open] { border-color: var(--color-primary); }
.faq-question {
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  color: var(--color-text);
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '+';
  font-size: 22px;
  color: var(--color-primary);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.faq-item[open] .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.8;
}
.faq-answer p { margin-bottom: 10px; }
.faq-answer p:last-child { margin-bottom: 0; }

/* ====== 页面 Hero (子页面) ====== */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #fff;
  padding: 50px 0 50px;
  text-align: center;
}
.page-hero h1 { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
.page-hero p { font-size: 16px; opacity: 0.88; max-width: 600px; margin: 0 auto; }
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  margin-top: 16px;
  opacity: 0.75;
}
.breadcrumb a { color: rgba(255,255,255,0.8); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { opacity: 0.6; }

/* ====== 服务详情页 ====== */
.service-detail { display: grid; grid-template-columns: 1fr 340px; gap: 40px; align-items: start; }
.service-content h2 { font-size: 24px; font-weight: 600; margin: 36px 0 16px; color: var(--color-text); }
.service-content h2:first-child { margin-top: 0; }
.service-content h3 { font-size: 18px; font-weight: 600; margin: 24px 0 12px; color: var(--color-primary); }
.service-content p { margin-bottom: 14px; color: var(--color-text); line-height: 1.8; }
.service-content ul { margin-bottom: 16px; padding-left: 0; }
.service-content ul li {
  padding: 8px 0 8px 28px;
  position: relative;
  color: var(--color-text);
  line-height: 1.7;
}
.service-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}
.service-content ol { margin-bottom: 16px; padding-left: 24px; counter-reset: step; list-style: none; }
.service-content ol li {
  padding: 10px 0;
  position: relative;
  padding-left: 16px;
  counter-increment: step;
  color: var(--color-text);
}
.service-content ol li::before {
  content: counter(step);
  position: absolute;
  left: -24px;
  top: 8px;
  width: 24px;
  height: 24px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 侧边栏 */
.service-sidebar {
  position: sticky;
  top: 90px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 28px;
}
.service-sidebar h3 { font-size: 17px; font-weight: 600; margin-bottom: 16px; color: var(--color-text); }
.service-sidebar .contact-info { margin-bottom: 20px; }
.service-sidebar .contact-info li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
}
.service-sidebar .contact-info li:last-child { border-bottom: none; }
.service-sidebar .contact-info strong { color: var(--color-primary); }
.service-sidebar .btn { width: 100%; justify-content: center; margin-top: 8px; }

/* 其他服务导航 */
.other-services { margin-top: 24px; }
.other-services h4 { font-size: 14px; color: var(--color-text-muted); margin-bottom: 10px; }
.other-services ul li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}
.other-services ul li:last-child { border-bottom: none; }
.other-services ul li a { font-size: 14px; display: flex; justify-content: space-between; align-items: center; }
.other-services ul li a::after { content: '\203A'; color: var(--color-text-muted); }

/* ====== CTA Band ====== */
.cta-band {
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  padding: 50px 0;
}
.cta-band h2 { font-size: 26px; font-weight: 700; margin-bottom: 12px; }
.cta-band p { font-size: 16px; opacity: 0.88; margin-bottom: 24px; }
.cta-band .btn { font-size: 16px; padding: 14px 36px; }

/* ====== Footer ====== */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.75);
  padding: 50px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 36px;
}
.footer-col h4 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-col p { font-size: 14px; line-height: 1.8; margin-bottom: 12px; }
.footer-col ul li { padding: 6px 0; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.65); }
.footer-col ul li a:hover { color: var(--color-accent-light); }
.footer-contact li { font-size: 14px; padding: 6px 0; display: flex; gap: 8px; }
.footer-contact li strong { color: var(--color-accent-light); min-width: 70px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}

/* ====== 联系表单 ====== */
.contact-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; color: var(--color-text); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: var(--font-sans);
  transition: border-color 0.2s;
  background: var(--color-bg-alt);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(26,75,140,0.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ====== 关于我们 ====== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-text h2 { font-size: 26px; font-weight: 700; margin-bottom: 18px; color: var(--color-text); }
.about-text p { margin-bottom: 14px; color: var(--color-text); line-height: 1.8; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.about-feature {
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
}
.about-feature .num { font-size: 28px; font-weight: 700; color: var(--color-primary); }
.about-feature .label { font-size: 13px; color: var(--color-text-muted); margin-top: 4px; }

/* ====== 响应式 ====== */
@media (max-width: 960px) {
  .hero-inner { flex-direction: column; }
  .hero-card { width: 100%; }
  .service-detail { grid-template-columns: 1fr; }
  .service-sidebar { position: static; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .container { padding: 0 16px; }
  .main-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--color-border);
    gap: 0;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 16px; width: 100%; border-radius: 0; border-bottom: 1px solid var(--color-border); }
  .menu-toggle { display: flex; }
  .hero { padding: 50px 0 60px; }
  .hero h1 { font-size: 26px; }
  .hero-desc { font-size: 15px; }
  .section { padding: 50px 0; }
  .section-title h2 { font-size: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-num { font-size: 32px; }
  .page-hero h1 { font-size: 24px; }
  .contact-form { padding: 24px; }
}