/* ===== 危机公关公司官网 - 全局样式 ===== */
/* 配色：深藏青 + 暖金 + 米灰，营造专业严谨的法律/咨询氛围 */

:root {
  --primary: #1a365d;       /* 深藏青 - 主色，专业稳重 */
  --primary-dark: #0f2442;  /* 更深藏青 */
  --primary-light: #2c5282; /* 浅藏青 */
  --accent: #b8860b;        /* 暖金 - 强调色，权威品质 */
  --accent-light: #d4a520;  /* 浅金 */
  --text-dark: #1a202c;     /* 深灰 - 主文字 */
  --text-body: #2d3748;     /* 正文灰 */
  --text-muted: #64748b;    /* 辅助文字 */
  --bg-light: #f8f7f4;      /* 米白 - 背景 */
  --bg-card: #ffffff;       /* 卡片白 */
  --bg-section: #f1f0ec;    /* 浅灰米 - 分段背景 */
  --border: #e2e8f0;        /* 边框色 */
  --border-light: #edf2f7;  /* 浅边框 */
  --shadow-sm: 0 1px 3px rgba(26, 54, 93, 0.06);
  --shadow-md: 0 4px 12px rgba(26, 54, 93, 0.08);
  --shadow-lg: 0 10px 30px rgba(26, 54, 93, 0.12);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans CN", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== 通用排版 ===== */
h1, h2, h3, h4 {
  font-family: "Source Han Serif SC", "Noto Serif SC", "SimSun", "Songti SC", serif;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.35;
  letter-spacing: -0.01em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

p {
  margin-bottom: 1em;
  color: var(--text-body);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent);
}

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

ul, ol {
  padding-left: 1.5em;
  margin-bottom: 1em;
}

li {
  margin-bottom: 0.5em;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 顶部导航 ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-logo .logo-mark {
  width: 40px;
  height: 40px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  font-family: "Source Han Serif SC", serif;
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 2px;
}

.site-logo .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-logo .logo-text .cn {
  font-family: "Source Han Serif SC", serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-dark);
}

.site-logo .logo-text .en {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.main-nav ul {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 2px;
}

.main-nav li {
  margin: 0;
}

.main-nav a {
  display: block;
  padding: 8px 14px;
  font-size: 0.95rem;
  color: var(--text-body);
  border-radius: 4px;
  transition: all 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
  background: var(--bg-light);
}

.main-nav a.active {
  font-weight: 600;
}

/* 移动端菜单按钮 */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-dark);
}

/* ===== Hero 区域 ===== */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: #fff;
  padding: 100px 0 120px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--bg-light);
  clip-path: polygon(0 100%, 100% 100%, 100% 30%, 50% 100%, 0 30%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-eyebrow {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(184, 134, 11, 0.2);
  border: 1px solid rgba(212, 165, 32, 0.3);
  color: var(--accent-light);
  font-size: 0.85rem;
  border-radius: 2px;
  margin-bottom: 24px;
  letter-spacing: 0.08em;
}

.hero h1 {
  color: #fff;
  font-size: 3rem;
  margin-bottom: 20px;
  max-width: 720px;
  line-height: 1.25;
}

.hero h1 .accent {
  color: var(--accent-light);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.85);
  max-width: 620px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.hero-stat .num {
  font-family: "Source Han Serif SC", serif;
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1;
  margin-bottom: 6px;
}

.hero-stat .label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
}

/* ===== 通用区块 ===== */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-section);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  font-weight: 600;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* 左侧眉标版本 */
.section-header-left {
  text-align: left;
  margin-bottom: 48px;
  position: relative;
  padding-left: 20px;
}

.section-header-left::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  background: var(--accent);
  border-radius: 2px;
}

.section-header-left h2 {
  margin-bottom: 12px;
}

.section-header-left p {
  color: var(--text-muted);
  max-width: 560px;
}

/* ===== 服务卡片网格 ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 36px 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card .card-icon {
  width: 56px;
  height: 56px;
  background: var(--bg-light);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
}

.service-card h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
  line-height: 1.7;
}

.service-card ul {
  padding-left: 0;
  list-style: none;
  margin: 0;
}

.service-card li {
  font-size: 0.9rem;
  color: var(--text-body);
  padding-left: 18px;
  position: relative;
  margin-bottom: 8px;
}

.service-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.service-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 500;
}

.service-card .card-link:hover {
  color: var(--accent);
}

/* ===== 优势区块 ===== */
.advantage-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.advantage-item {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--bg-card);
  border-radius: 6px;
  border: 1px solid var(--border-light);
}

.advantage-item .num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  font-family: "Source Han Serif SC", serif;
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
}

.advantage-item h4 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.advantage-item p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.7;
}

/* ===== 流程时间线 ===== */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: var(--border);
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 12px;
}

.process-step .step-circle {
  width: 60px;
  height: 60px;
  background: var(--bg-card);
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--primary);
  font-family: "Source Han Serif SC", serif;
  font-weight: 700;
  font-size: 1.25rem;
  position: relative;
}

.process-step h4 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== FAQ 区块 ===== */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 1rem;
  transition: background 0.2s;
}

.faq-question:hover {
  background: var(--bg-light);
}

.faq-question .q-icon {
  color: var(--primary);
  font-weight: 700;
  margin-right: 12px;
}

.faq-question .toggle {
  color: var(--text-muted);
  font-size: 1.25rem;
  line-height: 1;
  transition: transform 0.3s ease;
}

.faq-item.open .faq-question .toggle {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 28px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.open .faq-answer {
  padding: 0 28px 20px 52px;
  max-height: 300px;
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
  line-height: 1.8;
}

/* ===== 资讯列表 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.news-card .news-img {
  height: 180px;
  background: var(--bg-section);
  position: relative;
  overflow: hidden;
}

.news-card .news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card:hover .news-img img {
  transform: scale(1.05);
}

.news-card .news-category {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  background: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  border-radius: 2px;
}

.news-card .news-body {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  line-height: 1.5;
}

.news-card h3 a {
  color: var(--text-dark);
}

.news-card h3 a:hover {
  color: var(--primary);
}

.news-card .news-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card .news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== 子页面通用 ===== */
.page-banner {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  padding: 80px 0 70px;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.page-banner-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.breadcrumb {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: rgba(255,255,255,0.8);
}

.breadcrumb a:hover {
  color: var(--accent-light);
}

.breadcrumb .sep {
  margin: 0 8px;
}

.page-banner h1 {
  color: #fff;
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.page-banner p {
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  font-size: 1.05rem;
}

/* 子页面内容区 */
.page-content {
  padding: 60px 0 80px;
}

.content-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
}

.content-main {
  min-width: 0;
}

.content-sidebar {
  min-width: 0;
}

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-widget h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

.sidebar-widget ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-widget li {
  margin-bottom: 10px;
}

.sidebar-widget li a {
  color: var(--text-body);
  font-size: 0.9rem;
  display: block;
  padding: 6px 0;
  border-bottom: 1px dashed var(--border-light);
  transition: all 0.2s;
}

.sidebar-widget li a:hover {
  color: var(--primary);
  padding-left: 8px;
}

/* 文章内容样式 */
.article-content {
  background: var(--bg-card);
  padding: 40px 48px;
  border-radius: 6px;
  border: 1px solid var(--border-light);
}

.article-content h2 {
  font-size: 1.5rem;
  margin: 36px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
}

.article-content h3 {
  font-size: 1.2rem;
  margin: 28px 0 12px;
}

.article-content p {
  margin-bottom: 1em;
  line-height: 1.9;
}

.article-content blockquote {
  border-left: 4px solid var(--accent);
  padding: 12px 20px;
  margin: 20px 0;
  background: var(--bg-light);
  color: var(--text-body);
  font-style: italic;
  border-radius: 0 4px 4px 0;
}

.article-content ul,
.article-content ol {
  margin-bottom: 1em;
}

.article-content li {
  margin-bottom: 0.5em;
  line-height: 1.8;
}

.article-meta {
  display: flex;
  gap: 20px;
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 0.9rem;
  flex-wrap: wrap;
}

/* 关于我们页面 */
.about-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  height: 400px;
  background: var(--bg-section);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-text h2 {
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-body);
  line-height: 1.9;
  margin-bottom: 1em;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.value-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border-radius: 6px;
  border: 1px solid var(--border-light);
}

.value-item .value-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.value-item h4 {
  margin-bottom: 8px;
}

.value-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

/* 底部 */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 24px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo-text .cn {
  color: #fff;
  font-family: "Source Han Serif SC", serif;
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 4px;
  display: block;
}

.footer-brand .logo-text .en {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
}

.footer-col h5 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 18px;
  font-weight: 600;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--accent-light);
}

.footer-contact-block {
  text-align: center;
  padding: 32px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-contact-block .contact-label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 8px;
  letter-spacing: 0.08em;
}

.footer-contact-block .phone-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Source Han Serif SC", serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-light);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-contact-block .phone-link:hover {
  color: #fff;
}

.footer-contact-block .phone-link svg {
  width: 28px;
  height: 28px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

.footer-bottom p {
  margin: 4px 0;
  color: rgba(255,255,255,0.4);
}

/* ===== 面包屑（站内） ===== */
.crumb-nav {
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  padding: 14px 0;
}

.crumb-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.crumb-nav a {
  color: var(--text-muted);
}

.crumb-nav a:hover {
  color: var(--primary);
}

.crumb-nav .sep {
  margin: 0 8px;
}

.crumb-nav .current {
  color: var(--text-body);
}

/* ===== 侵权追责特色样式 ===== */
.legal-path {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}

.legal-step {
  text-align: center;
  padding: 28px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-right: none;
  position: relative;
}

.legal-step:first-child {
  border-radius: 6px 0 0 6px;
}

.legal-step:last-child {
  border-radius: 0 6px 6px 0;
  border-right: 1px solid var(--border-light);
}

.legal-step .step-num {
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-weight: 700;
  font-size: 0.95rem;
}

.legal-step h5 {
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.legal-step p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ===== 数据/指标行 ===== */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-light);
  border-radius: 6px;
  overflow: hidden;
  margin: 40px 0;
}

.metric-item {
  background: var(--bg-card);
  padding: 32px 20px;
  text-align: center;
}

.metric-item .num {
  font-family: "Source Han Serif SC", serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.metric-item .label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ===== 服务详情区块 ===== */
.service-detail {
  margin-bottom: 48px;
}

.service-detail:last-child {
  margin-bottom: 0;
}

.service-detail h3 {
  font-size: 1.375rem;
  margin-bottom: 16px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
}

.service-detail p {
  color: var(--text-body);
  line-height: 1.9;
}

.service-detail ul {
  margin-top: 12px;
}

.service-detail li {
  margin-bottom: 8px;
  line-height: 1.8;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .service-grid,
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  
  .process-timeline::before {
    display: none;
  }
  
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .legal-path {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .legal-step {
    border-right: 1px solid var(--border-light);
    border-bottom: none;
  }
  
  .legal-step:nth-child(3n) {
    border-right: 1px solid var(--border-light);
  }
  
  .legal-step:nth-child(4),
  .legal-step:nth-child(5) {
    border-top: none;
    border-bottom: 1px solid var(--border-light);
  }
  
  .metrics-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 { font-size: 1.875rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.125rem; }
  
  .section {
    padding: 56px 0;
  }
  
  .hero {
    padding: 60px 0 80px;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-stats {
    gap: 24px;
    margin-top: 32px;
  }
  
  .hero-stat .num {
    font-size: 1.75rem;
  }
  
  .service-grid,
  .news-grid,
  .advantage-list,
  .about-section,
  .content-layout {
    grid-template-columns: 1fr;
  }
  
  .process-timeline {
    grid-template-columns: 1fr 1fr;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
  }
  
  .main-nav.open {
    display: block;
  }
  
  .main-nav ul {
    flex-direction: column;
    padding: 12px 0;
  }
  
  .main-nav a {
    padding: 12px 24px;
    border-radius: 0;
  }
  
  .mobile-nav-toggle {
    display: block;
  }
  
  .page-banner {
    padding: 48px 0 40px;
  }
  
  .page-banner h1 {
    font-size: 1.75rem;
  }
  
  .page-content {
    padding: 40px 0 56px;
  }
  
  .article-content {
    padding: 24px;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .values-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .legal-path {
    grid-template-columns: 1fr;
  }
  
  .legal-step {
    border-right: 1px solid var(--border-light) !important;
    border-bottom: none !important;
    border-top: none !important;
  }
  
  .legal-step:first-child {
    border-radius: 6px 6px 0 0;
  }
  
  .legal-step:last-child {
    border-radius: 0 0 6px 6px;
    border-bottom: 1px solid var(--border-light) !important;
  }
  
  .metrics-row {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-contact-block .phone-link {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .process-timeline {
    grid-template-columns: 1fr;
  }
  
  .values-grid {
    grid-template-columns: 1fr;
  }
  
  .hero h1 {
    font-size: 1.625rem;
  }
  
  .hero-stat .num {
    font-size: 1.5rem;
  }
}

/* ===== 语义化隐藏但SEO可读 ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== 链接按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-light);
  color: #fff;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== 标签页/分类 ===== */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--bg-light);
  color: var(--text-muted);
  font-size: 0.8rem;
  border-radius: 2px;
  border: 1px solid var(--border-light);
}

/* ===== 跳过链接 ===== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: 8px 16px;
  z-index: 1000;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}