/* ============================================================
   InjLawyer.com — 华人伤害律师网
   主样式文件
   ============================================================ */

/* ---------- CSS 变量 ---------- */
:root {
  --primary: #C41E3A;
  --primary-dark: #9e1830;
  --primary-light: #e8253f;
  --white: #ffffff;
  --gray-100: #f8f8f8;
  --gray-200: #eeeeee;
  --gray-400: #999999;
  --gray-700: #555555;
  --dark: #333333;
  --shadow: 0 2px 16px rgba(0,0,0,0.10);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.10);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
}

/* ---------- 重置 & 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.7;
}

img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

/* ---------- 工具类 ---------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}
.section { padding: 72px 0; }
.section-alt { background: var(--gray-100); }

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark);
  text-align: center;
  margin-bottom: 12px;
}
.section-sub {
  text-align: center;
  color: var(--gray-700);
  margin-bottom: 48px;
  font-size: 1.05rem;
}
.section-title span { color: var(--primary); }

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  border: none;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--primary-dark);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(196,30,58,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
  text-decoration: none;
}
.btn-lg { padding: 16px 40px; font-size: 1.1rem; }

/* ---------- 顶部导航 ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: var(--shadow);
  height: 64px;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.navbar-brand {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}
.navbar-brand span { color: var(--dark); font-weight: 400; font-size: 0.85em; }
.navbar-brand:hover { text-decoration: none; }

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  color: var(--dark);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); text-decoration: none; }
.nav-links .btn { padding: 8px 20px; font-size: 0.9rem; }

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: var(--white);
  box-shadow: var(--shadow);
  z-index: 999;
  padding: 20px 0;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 14px 24px;
  color: var(--dark);
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--gray-200);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { background: var(--gray-100); color: var(--primary); text-decoration: none; }
.mobile-menu .btn-primary {
  margin: 16px 24px 0;
  display: block;
  text-align: center;
  border-radius: var(--radius);
}

/* 页面内容偏移（固定导航） */
main { padding-top: 64px; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, #9e1830 0%, #C41E3A 50%, #d4243e 100%);
  color: var(--white);
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -40px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.18);
  color: var(--white);
  border-radius: 20px;
  padding: 6px 18px;
  font-size: 0.85rem;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.hero p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: 36px;
  opacity: 0.92;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.2);
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  display: block;
  line-height: 1;
}
.stat-label {
  font-size: 0.85rem;
  opacity: 0.85;
  margin-top: 4px;
}

/* ---------- 服务亮点卡片 ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.13);
}
.feature-icon {
  font-size: 2.8rem;
  margin-bottom: 16px;
  display: block;
}
.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--primary);
}
.feature-card p { color: var(--gray-700); font-size: 0.97rem; }

/* ---------- 案件类型 ---------- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
}
.case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 16px;
  text-align: center;
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.case-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(196,30,58,0.18);
}
.case-card .case-icon { font-size: 2.4rem; display: block; margin-bottom: 12px; }
.case-card h4 { font-size: 0.95rem; font-weight: 600; color: var(--dark); }

/* ---------- 流程步骤 ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  position: relative;
}
.step-card {
  text-align: center;
  padding: 28px;
  position: relative;
}
.step-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.step-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.step-card p { color: var(--gray-700); font-size: 0.95rem; }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: var(--primary);
  color: var(--white);
  text-align: center;
  padding: 72px 20px;
}
.cta-banner h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-banner p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 32px;
}
.cta-banner .btn-outline { border-color: var(--white); color: var(--white); }
.cta-banner .btn-outline:hover { background: var(--white); color: var(--primary); }

/* ---------- 页脚 ---------- */
footer {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}
.footer-desc { font-size: 0.9rem; line-height: 1.7; }
.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 14px;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  margin-bottom: 8px;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); text-decoration: none; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}
.footer-disclaimer {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  margin-top: 8px;
  line-height: 1.6;
}

/* ---------- 页面 Hero（内页） ---------- */
.page-hero {
  background: linear-gradient(135deg, #9e1830, #C41E3A);
  color: var(--white);
  padding: 64px 0 56px;
  text-align: center;
}
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 10px; }
.page-hero p { font-size: 1.05rem; opacity: 0.9; }

/* ---------- 案件详情页 ---------- */
.case-detail {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 32px;
  background: var(--white);
}
.case-detail-header {
  background: var(--primary);
  color: var(--white);
  padding: 24px 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.case-detail-header .icon { font-size: 2.2rem; }
.case-detail-header h2 { font-size: 1.4rem; font-weight: 700; }
.case-detail-body { padding: 28px 32px; }
.case-detail-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin: 20px 0 8px;
}
.case-detail-body h3:first-child { margin-top: 0; }
.case-detail-body ul {
  list-style: disc;
  padding-left: 20px;
  color: var(--gray-700);
}
.case-detail-body ul li { margin-bottom: 6px; }
.case-detail-body p { color: var(--gray-700); margin-bottom: 8px; }
.alert-box {
  background: #fff8e1;
  border-left: 4px solid #f59e0b;
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 18px;
  margin-top: 16px;
  font-size: 0.93rem;
  color: #7c5200;
}
.alert-box strong { color: #92610a; }

/* ---------- 关于页 ---------- */
.lawyer-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 0;
}
.lawyer-avatar {
  background: linear-gradient(135deg, #9e1830, #C41E3A);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: var(--white);
  min-height: 200px;
}
.lawyer-info { padding: 36px 32px; }
.lawyer-info h2 { font-size: 1.6rem; font-weight: 800; margin-bottom: 4px; }
.lawyer-info .title { color: var(--primary); font-weight: 600; margin-bottom: 16px; }
.lawyer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}
.badge {
  display: inline-block;
  background: var(--gray-100);
  color: var(--dark);
  border-radius: 20px;
  padding: 4px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--gray-200);
}
.badge-red {
  background: rgba(196,30,58,0.08);
  color: var(--primary);
  border-color: rgba(196,30,58,0.2);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.why-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  border-top: 4px solid var(--primary);
}
.why-card .why-icon { font-size: 2rem; margin-bottom: 12px; }
.why-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.why-card p { color: var(--gray-700); font-size: 0.93rem; }

/* ---------- 联系/表单页 ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: start;
}
.contact-info h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 16px; }
.contact-info p { color: var(--gray-700); margin-bottom: 24px; }
.contact-points { display: flex; flex-direction: column; gap: 16px; }
.contact-point {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: 16px;
}
.contact-point .cp-icon { font-size: 1.5rem; flex-shrink: 0; }
.contact-point h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 2px; }
.contact-point p { font-size: 0.88rem; color: var(--gray-700); margin: 0; }

/* 表单 */
.form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 40px 36px;
}
.form-card h2 { font-size: 1.4rem; font-weight: 700; margin-bottom: 24px; color: var(--primary); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--dark);
}
.form-group label .opt { color: var(--gray-400); font-weight: 400; font-size: 0.82rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-submit {
  width: 100%;
  padding: 16px;
  font-size: 1.05rem;
  font-weight: 700;
}
.form-note {
  font-size: 0.82rem;
  color: var(--gray-400);
  text-align: center;
  margin-top: 12px;
}
.form-success {
  display: none;
  background: #f0fdf4;
  border: 2px solid #22c55e;
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  color: #15803d;
  font-weight: 600;
  margin-top: 16px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .lawyer-card { grid-template-columns: 1fr; }
  .lawyer-avatar { min-height: 160px; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 60px 0 48px; }
  .hero-stats { gap: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 52px 0; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 28px 20px; }
  .case-detail-body { padding: 20px; }
  .case-detail-header { padding: 18px 20px; }
}

@media (max-width: 480px) {
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-cta { flex-direction: column; align-items: center; }
  .btn-lg { width: 100%; max-width: 300px; }
}