/* ====================================
   黑料网高端品牌公关与声誉管理 - 核心样式
   设计哲学：商务灰+金的高端咨询风格
   主色调：#37474F（商务深灰）
   辅助色：#B0BEC5（银灰）
   背景色：#FFFFFF（纯白）
   卡片色：#F5F5F5（浅灰）
   强调色：#C6A962（金色）
   ==================================== */

:root {
  --primary: #37474F;
  --secondary: #B0BEC5;
  --bg: #FFFFFF;
  --card: #F5F5F5;
  --accent: #C6A962;
  --text: #263238;
  --text-light: #546E7A;
  --text-muted: #78909C;
  --border: #ECEFF1;
  --radius: 4px;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
  --transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;
  --max-width: 1200px;
  --header-height: 72px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--primary);
  line-height: 1.4;
  font-weight: 700;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-light);
}

/* 容器 */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 5rem 0;
}

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

.section-dark {
  background-color: var(--primary);
  color: #fff;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--accent);
}

.section-title p {
  max-width: 600px;
  margin: 1rem auto 0;
  color: var(--text-muted);
}

/* 头部导航 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), #D4AF37);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  width: 20px;
  height: 20px;
  fill: #fff;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav a {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 500;
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

.nav a:hover::after,
.nav a.active::after {
  width: 100%;
}

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

.nav-cta {
  padding: 0.5rem 1.25rem;
  background: var(--accent);
  color: #fff !important;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.85rem;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: #B8962E;
  color: #fff !important;
  transform: translateY(-1px);
}

/* 移动端菜单 */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

/* 英雄区 */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(55,71,79,0.85) 0%, rgba(55,71,79,0.6) 100%);
  z-index: -1;
}

.hero-content {
  max-width: 700px;
  color: #fff;
  padding: 4rem 0;
}

.hero-content h1 {
  color: #fff;
  font-size: 3rem;
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

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

.hero-content p {
  color: rgba(255,255,255,0.85);
  font-size: 1.15rem;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.2);
}

.hero-stat .number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
}

.hero-stat .label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  margin-top: 0.25rem;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn:active {
  transform: scale(0.97);
}

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

.btn-primary:hover {
  background: #B8962E;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(198,169,98,0.3);
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

.btn-dark:hover {
  background: #263238;
  color: #fff;
}

/* 服务卡片 */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transition: var(--transition);
}

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

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

.service-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(198,169,98,0.1), rgba(198,169,98,0.05));
  border-radius: 50%;
}

.service-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.5;
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.service-card .more {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
}

/* 案例卡片 */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.case-card {
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.case-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.case-card-body {
  padding: 1.5rem;
}

.case-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(198,169,98,0.1);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 2px;
  margin-bottom: 0.75rem;
}

.case-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.case-data {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.case-data-item .value {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.case-data-item .label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* 客户证言 */
.testimonials {
  position: relative;
}

.testimonial-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.3;
  font-family: var(--font-serif);
  line-height: 1;
}

.testimonial-text {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
}

.testimonial-info .name {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.95rem;
}

.testimonial-info .title {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* 团队 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.team-card {
  text-align: center;
  background: var(--bg);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.team-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
  border: 3px solid var(--accent);
}

.team-card h4 {
  margin-bottom: 0.25rem;
}

.team-card .position {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
}

.team-card .desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* 流程 */
.process-steps {
  display: flex;
  justify-content: space-between;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 35px;
  left: 10%;
  width: 80%;
  height: 2px;
  background: var(--border);
}

.process-step {
  text-align: center;
  position: relative;
  flex: 1;
}

.step-number {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  position: relative;
  z-index: 1;
}

.process-step h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.8rem;
  max-width: 140px;
  margin: 0 auto;
}

/* 洞察/文章 */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.insight-card {
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.insight-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.insight-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.insight-card-body {
  padding: 1.5rem;
}

.insight-card .date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.insight-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.insight-card p {
  font-size: 0.85rem;
  line-height: 1.7;
}

/* 联系表单 */
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: var(--transition);
  background: var(--bg);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(198,169,98,0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-info-list {
  list-style: none;
}

.contact-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.contact-info-list li:last-child {
  border-bottom: none;
}

.contact-info-list .icon {
  width: 40px;
  height: 40px;
  background: rgba(198,169,98,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-list .icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--accent);
  fill: none;
}

/* 页脚 */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.8);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  margin-top: 1rem;
  line-height: 1.8;
}

.footer h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1.25rem;
  font-family: var(--font-sans);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

/* 面包屑 */
.breadcrumb {
  padding: 1rem 0;
  margin-top: var(--header-height);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  font-size: 0.85rem;
}

.breadcrumb-list li + li::before {
  content: '/';
  margin-right: 0.5rem;
  color: var(--text-muted);
}

.breadcrumb-list a {
  color: var(--text-muted);
}

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

.breadcrumb-list .current {
  color: var(--primary);
  font-weight: 500;
}

/* 页面头部 */
.page-header {
  background: var(--card);
  padding: 4rem 0;
  margin-top: var(--header-height);
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  margin-bottom: 1rem;
}

.page-header p {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-muted);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-question {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg);
  transition: var(--transition);
}

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

.faq-question::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--accent);
  transition: var(--transition);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.25rem;
  max-height: 500px;
}

.faq-answer p {
  font-size: 0.9rem;
  line-height: 1.8;
}

/* APP下载 */
.app-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.app-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.app-feature-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* 搜索 */
.search-box {
  max-width: 600px;
  margin: 2rem auto;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 1rem 1.5rem;
  padding-right: 4rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 4px rgba(198,169,98,0.1);
}

.search-box button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--accent);
  border: none;
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
}

.search-results {
  margin-top: 2rem;
}

.search-result-item {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.search-result-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.search-result-item h3 a {
  color: var(--primary);
}

.search-result-item h3 a:hover {
  color: var(--accent);
}

.search-result-item p {
  font-size: 0.85rem;
}

/* 仪表盘 */
.dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.gauge-circle {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 8px solid var(--border);
  border-top-color: var(--accent);
  border-right-color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  position: relative;
}

.gauge-score {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
}

.gauge-label {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.radar-dimensions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.dimension-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dimension-bar {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.dimension-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 1s ease;
}

.dimension-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  min-width: 60px;
}

.dimension-value {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  min-width: 30px;
}

/* 能力矩阵 */
.matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.matrix-table th,
.matrix-table td {
  padding: 0.85rem 1rem;
  text-align: center;
  border: 1px solid var(--border);
}

.matrix-table th {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}

.matrix-table td {
  background: var(--bg);
}

.matrix-check {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
}

/* 危机流程图 */
.crisis-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  padding: 2rem 0;
}

.flow-step {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg);
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  min-width: 140px;
  position: relative;
}

.flow-step h4 {
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.flow-step p {
  font-size: 0.75rem;
}

.flow-arrow {
  font-size: 1.5rem;
  color: var(--accent);
  padding: 0 0.5rem;
}

/* 动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s cubic-bezier(0.23, 1, 0.32, 1) forwards;
  opacity: 0;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* 响应式 */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .container { padding: 0 1rem; }
  .section { padding: 3rem 0; }

  .nav { display: none; }
  .nav.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--bg);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .menu-toggle { display: flex; }

  .hero-content h1 { font-size: 2rem; }
  .hero-stats { flex-direction: column; gap: 1.5rem; }

  .services-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .insights-grid { grid-template-columns: 1fr; }
  .contact-section { grid-template-columns: 1fr; }
  .app-hero { grid-template-columns: 1fr; }
  .app-features { grid-template-columns: 1fr; }
  .dashboard { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

  .process-steps {
    flex-direction: column;
    gap: 2rem;
  }
  .process-steps::before { display: none; }

  .crisis-flow { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }

  .radar-dimensions { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.75rem; }
  .btn { padding: 0.75rem 1.5rem; font-size: 0.85rem; }
}

/* 减少动画 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}