/* ========== 全局样式 ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

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

.btn {
  display: inline-block;
  padding: 12px 32px;
  background-color: #999900;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 16px;
}

.btn:hover {
  background-color: #99cccc;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

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

/* ========== 导航栏 ========== */
nav {
  background-color: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
}

nav .logo {
  font-size: 24px;
  font-weight: bold;
  color: #999900;
  text-decoration: none;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 32px;
}

nav ul li a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s ease;
  font-weight: 500;
}

nav ul li a:hover {
  color: #999900;
}

/* 移动端导航 */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #333;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #fff;
    flex-direction: column;
    gap: 0;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  }
  
  nav ul.active {
    display: flex;
  }
  
  nav ul li {
    border-bottom: 1px solid #eee;
  }
  
  nav ul li a {
    display: block;
    padding: 16px 24px;
  }
}

/* ========== Hero 区域（方案 A）========== */
.hero-5d48fb {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero-5d48fb::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.3);
  z-index: 1;
}

.hero-5d48fb .container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 48px;
}

.hero-5d48fb .hero-square {
  flex: 0 0 400px;
  aspect-ratio: 1 / 1;
}

.hero-5d48fb .hero-square img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.hero-5d48fb .hero-content {
  flex: 1;
  color: #fff;
}

.hero-5d48fb h1 {
  font-size: 48px;
  margin-bottom: 24px;
  line-height: 1.2;
}

.hero-5d48fb .btn {
  margin-top: 24px;
}

@media (max-width: 768px) {
  .hero-5d48fb {
    min-height: 500px;
  }
  
  .hero-5d48fb .container {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-5d48fb .hero-square {
    flex: 0 0 300px;
  }
  
  .hero-5d48fb h1 {
    font-size: 32px;
  }
}

/* ========== 通用块样式 ========== */
section {
  padding: 80px 0;
}

section h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 48px;
  color: #333;
}

.bg-light {
  background-color: #f8f9fa;
}

.bg-white {
  background-color: #fff;
}

.bg-tint {
  background-color: #99cc66;
  color: #fff;
}

.bg-tint h2,
.bg-tint h3,
.bg-tint p {
  color: #fff;
}

/* ========== 关于我们块 ========== */
.story-5d48fb {
  background-color: #f8f9fa;
}

.story-content-5d48fb {
  display: flex;
  align-items: center;
  gap: 48px;
}

.story-image-5d48fb {
  flex: 0 0 45%;
}

.story-image-5d48fb img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.story-text-5d48fb {
  flex: 1;
}

.story-text-5d48fb p {
  font-size: 18px;
  line-height: 1.8;
  color: #666;
}

@media (max-width: 768px) {
  .story-content-5d48fb {
    flex-direction: column;
  }
  
  .story-image-5d48fb {
    flex: 0 0 100%;
  }
}

/* ========== 服务块 ========== */
.expertise-5d48fb {
  background-color: #fff;
}

.expertise-grid-5d48fb {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.expertise-item-5d48fb {
  text-align: center;
  padding: 32px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.expertise-item-5d48fb:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.expertise-item-5d48fb i {
  font-size: 48px;
  color: #999900;
  margin-bottom: 16px;
}

.expertise-item-5d48fb h3 {
  font-size: 22px;
  margin-bottom: 12px;
  color: #333;
}

.expertise-item-5d48fb p {
  color: #666;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .expertise-grid-5d48fb {
    grid-template-columns: 1fr;
  }
}

/* ========== 优势块 ========== */
.edge-5d48fb {
  background-color: #f8f9fa;
}

.edge-grid-5d48fb {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.edge-item-5d48fb {
  text-align: center;
  padding: 32px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.edge-item-5d48fb:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.edge-item-5d48fb i {
  font-size: 48px;
  color: #99cccc;
  margin-bottom: 16px;
}

.edge-item-5d48fb h3 {
  font-size: 22px;
  margin-bottom: 12px;
  color: #333;
}

.edge-item-5d48fb p {
  color: #666;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .edge-grid-5d48fb {
    grid-template-columns: 1fr;
  }
}

/* ========== 案例块（跑马灯）========== */
.showcase-5d48fb {
  background-color: #f8f9fa;
  overflow: hidden;
}

.showcase-wrapper-5d48fb {
  overflow: hidden;
  position: relative;
}

.showcase-track-5d48fb {
  display: flex;
  gap: 24px;
  animation: scroll-showcase 30s linear infinite;
}

.showcase-track-5d48fb:hover {
  animation-play-state: paused;
}

.showcase-item-5d48fb {
  flex: 0 0 350px;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.showcase-item-5d48fb:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.showcase-item-5d48fb a {
  text-decoration: none;
  color: inherit;
  display: block;
}

.showcase-item-5d48fb img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 0;
}

.showcase-item-5d48fb h3 {
  padding: 16px 20px 8px;
  font-size: 20px;
  color: #333;
}

.showcase-item-5d48fb p {
  padding: 0 20px 16px;
  color: #666;
  font-size: 14px;
}

@keyframes scroll-showcase {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ========== 首页文章块 ========== */
.updates-5d48fb {
  background-color: #fff;
}

.updates-grid-5d48fb {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.updates-item-5d48fb {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.updates-item-5d48fb:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.updates-item-5d48fb a {
  text-decoration: none;
  color: inherit;
  display: block;
}

.updates-item-5d48fb img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 0;
}

.updates-item-5d48fb h3 {
  padding: 16px 20px 8px;
  font-size: 18px;
  color: #333;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.updates-item-5d48fb p {
  padding: 0 20px 16px;
  color: #666;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

@media (max-width: 1024px) {
  .updates-grid-5d48fb {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .updates-grid-5d48fb {
    grid-template-columns: 1fr;
  }
}

/* ========== 工作流程块（横向时间轴）========== */
.journey-5d48fb {
  background-color: #f8f9fa;
}

.journey-timeline-5d48fb {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  position: relative;
  padding: 40px 0;
}

.journey-timeline-5d48fb::before {
  content: '';
  position: absolute;
  top: 80px;
  left: 0;
  right: 0;
  height: 2px;
  background: #999900;
  z-index: 0;
}

.journey-step-5d48fb {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
}

.journey-step-5d48fb::before {
  content: '';
  width: 40px;
  height: 40px;
  background: #999900;
  border-radius: 50%;
  display: block;
  margin: 0 auto 16px;
  border: 4px solid #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.journey-step-5d48fb img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  margin: 0 auto 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.journey-step-5d48fb h3 {
  font-size: 20px;
  margin-bottom: 8px;
  color: #333;
}

.journey-step-5d48fb p {
  color: #666;
  font-size: 14px;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .journey-timeline-5d48fb {
    flex-direction: column;
  }
  
  .journey-timeline-5d48fb::before {
    top: 0;
    left: 20px;
    right: auto;
    bottom: 0;
    width: 2px;
    height: auto;
  }
  
  .journey-step-5d48fb {
    text-align: left;
    padding-left: 60px;
  }
  
  .journey-step-5d48fb::before {
    position: absolute;
    left: 0;
    top: 0;
    margin: 0;
  }
}

/* ========== 团队块 ========== */
.crew-5d48fb {
  background-color: #fff;
}

.crew-grid-5d48fb {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.crew-member-5d48fb {
  text-align: center;
  padding: 24px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.crew-member-5d48fb:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.crew-member-5d48fb img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 50%;
  margin: 0 auto 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.crew-member-5d48fb h3 {
  font-size: 20px;
  margin-bottom: 8px;
  color: #333;
}

.crew-member-5d48fb p {
  color: #999900;
  font-size: 14px;
}

@media (max-width: 1024px) {
  .crew-grid-5d48fb {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .crew-grid-5d48fb {
    grid-template-columns: 1fr;
  }
}

/* ========== 评论块（跑马灯）========== */
.voices-5d48fb {
  background-color: #f8f9fa;
  overflow: hidden;
}

.voices-wrapper-5d48fb {
  overflow: hidden;
  position: relative;
}

.voices-track-5d48fb {
  display: flex;
  gap: 24px;
  animation: scroll-voices 25s linear infinite;
}

.voices-track-5d48fb:hover {
  animation-play-state: paused;
}

.voices-item-5d48fb {
  flex: 0 0 400px;
  background: #fff;
  padding: 32px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  border-left: 4px solid #99cccc;
}

.voices-item-5d48fb p:first-child {
  font-size: 16px;
  line-height: 1.8;
  color: #666;
  margin-bottom: 16px;
  font-style: italic;
}

.voices-item-5d48fb p:last-child {
  font-weight: bold;
  color: #333;
}

.voices-item-5d48fb span {
  display: block;
  font-size: 14px;
  color: #999;
  font-weight: normal;
  margin-top: 4px;
}

@keyframes scroll-voices {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ========== 问答块（双列）========== */
.queries-5d48fb {
  background-color: #fff;
}

.queries-grid-5d48fb {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.queries-item-5d48fb {
  background: #f8f9fa;
  padding: 24px;
  border-radius: 8px;
  border-left: 4px solid #999900;
}

.queries-item-5d48fb h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: #333;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.queries-item-5d48fb h3::after {
  content: '+';
  font-size: 24px;
  color: #999900;
  transition: transform 0.3s ease;
}

.queries-item-5d48fb.active h3::after {
  transform: rotate(45deg);
}

.queries-item-5d48fb p {
  color: #666;
  line-height: 1.8;
  display: none;
}

.queries-item-5d48fb.active p {
  display: block;
}

@media (max-width: 768px) {
  .queries-grid-5d48fb {
    grid-template-columns: 1fr;
  }
}

/* ========== 合作伙伴块（跑马灯）========== */
.allies-5d48fb {
  background-color: #f8f9fa;
  overflow: hidden;
}

.allies-wrapper-5d48fb {
  overflow: hidden;
  position: relative;
}

.allies-track-5d48fb {
  display: flex;
  gap: 48px;
  align-items: center;
  animation: scroll-allies 35s linear infinite;
}

.allies-track-5d48fb:hover {
  animation-play-state: paused;
}

.allies-item-5d48fb {
  flex: 0 0 150px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  padding: 16px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.allies-item-5d48fb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@keyframes scroll-allies {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ========== 荣誉块 ========== */
.laurels-5d48fb {
  background-color: #fff;
}

.laurels-grid-5d48fb {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.laurels-item-5d48fb {
  text-align: center;
  padding: 32px;
  background: linear-gradient(135deg, #999900 0%, #99cccc 100%);
  border-radius: 8px;
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.laurels-item-5d48fb h3 {
  font-size: 20px;
  margin-bottom: 16px;
  color: #fff;
}

.laurels-item-5d48fb .number {
  font-size: 48px;
  font-weight: bold;
  color: #fff;
}

@media (max-width: 1024px) {
  .laurels-grid-5d48fb {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .laurels-grid-5d48fb {
    grid-template-columns: 1fr;
  }
}

/* ========== 联系我们块 ========== */
.reach-5d48fb {
  background-color: #f8f9fa;
}

.reach-content-5d48fb {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.reach-info-5d48fb {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.reach-info-item-5d48fb {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.reach-info-item-5d48fb i {
  font-size: 24px;
  color: #999900;
  margin-top: 4px;
}

.reach-info-item-5d48fb div h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: #333;
}

.reach-info-item-5d48fb div p {
  color: #666;
  line-height: 1.6;
}

.reach-form-5d48fb {
  background: #fff;
  padding: 32px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.reach-form-5d48fb .form-group {
  margin-bottom: 24px;
}

.reach-form-5d48fb label {
  display: block;
  margin-bottom: 8px;
  color: #333;
  font-weight: 500;
}

.reach-form-5d48fb input,
.reach-form-5d48fb textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.3s ease;
}

.reach-form-5d48fb input:focus,
.reach-form-5d48fb textarea:focus {
  outline: none;
  border-color: #999900;
}

.reach-form-5d48fb textarea {
  resize: vertical;
  min-height: 120px;
}

.reach-form-5d48fb .btn {
  width: 100%;
}

@media (max-width: 768px) {
  .reach-content-5d48fb {
    grid-template-columns: 1fr;
  }
}

/* ========== CTA 块 ========== */
.cta-5d48fb {
  background: linear-gradient(135deg, #999900 0%, #99cccc 100%);
  color: #fff;
  text-align: center;
  padding: 80px 0;
}

.cta-5d48fb h2 {
  color: #fff;
  font-size: 42px;
  margin-bottom: 24px;
}

.cta-5d48fb .btn {
  background-color: #fff;
  color: #999900;
  font-size: 18px;
  padding: 16px 48px;
}

.cta-5d48fb .btn:hover {
  background-color: #f8f9fa;
  transform: translateY(-4px);
}

/* ========== 列表页 ========== */
.listing-5d48fb {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.listing-5d48fb h1 {
  text-align: center;
  font-size: 42px;
  margin-bottom: 48px;
  color: #333;
}

.listing-grid-5d48fb {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.listing-item-5d48fb {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.listing-item-5d48fb:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.listing-item-5d48fb a {
  text-decoration: none;
  color: inherit;
  display: block;
}

.listing-item-5d48fb img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 0;
}

.listing-item-5d48fb h3 {
  padding: 20px 24px 12px;
  font-size: 22px;
  color: #333;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.listing-item-5d48fb p {
  padding: 0 24px 20px;
  color: #666;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

@media (max-width: 1024px) {
  .listing-grid-5d48fb {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .listing-grid-5d48fb {
    grid-template-columns: 1fr;
  }
}

/* ========== 详情页 ========== */
.reading-5d48fb {
  padding: 80px 0;
  background-color: #fff;
}

.reading-header-5d48fb {
  max-width: 800px;
  margin: 0 auto 48px;
  text-align: center;
}

.reading-header-5d48fb h1 {
  font-size: 42px;
  margin-bottom: 24px;
  color: #333;
  line-height: 1.3;
}

.reading-meta-5d48fb {
  display: flex;
  justify-content: center;
  gap: 24px;
  color: #666;
  font-size: 14px;
  margin-bottom: 32px;
}

.reading-featured-5d48fb {
  max-width: 800px;
  margin: 0 auto 48px;
}

.reading-featured-5d48fb img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.reading-content-5d48fb {
  max-width: 800px;
  margin: 0 auto;
  font-size: 18px;
  line-height: 1.8;
  color: #333;
}

.reading-content-5d48fb p {
  margin-bottom: 24px;
}

.reading-content-5d48fb h2 {
  font-size: 32px;
  margin: 48px 0 24px;
  color: #333;
}

.reading-content-5d48fb h3 {
  font-size: 24px;
  margin: 32px 0 16px;
  color: #333;
}

.reading-content-5d48fb img {
  width: 100%;
  height: auto;
  margin: 32px 0;
  border-radius: 8px;
}

.reading-nav-5d48fb {
  max-width: 800px;
  margin: 64px auto 0;
  padding-top: 32px;
  border-top: 1px solid #eee;
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.reading-nav-5d48fb a {
  flex: 1;
  padding: 16px;
  background: #f8f9fa;
  border-radius: 8px;
  text-decoration: none;
  color: #333;
  transition: all 0.3s ease;
}

.reading-nav-5d48fb a:hover {
  background: #999900;
  color: #fff;
  transform: translateY(-2px);
}

.reading-nav-5d48fb .prev {
  text-align: left;
}

.reading-nav-5d48fb .next {
  text-align: right;
}

@media (max-width: 768px) {
  .reading-header-5d48fb h1 {
    font-size: 32px;
  }
  
  .reading-content-5d48fb {
    font-size: 16px;
  }
  
  .reading-nav-5d48fb {
    flex-direction: column;
  }
}

/* ========== 页脚 ========== */
footer {
  background-color: #333;
  color: #fff;
  padding: 48px 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 32px;
}

.footer-section h3 {
  font-size: 20px;
  margin-bottom: 16px;
  color: #fff;
}

.footer-section p,
.footer-section a {
  color: #ccc;
  line-height: 1.8;
  text-decoration: none;
}

.footer-section a:hover {
  color: #999900;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 8px;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid #555;
  color: #999;
  font-size: 14px;
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ========== 滚动动画 ========== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== 响应式优化 ========== */
@media (max-width: 320px) {
  .container {
    padding: 0 16px;
  }
  
  section {
    padding: 48px 0;
  }
  
  section h2 {
    font-size: 28px;
    margin-bottom: 32px;
  }
}