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

body {
  font-family: "Microsoft YaHei", sans-serif;
  background-color: #fef5e7;
  color: #333;
  line-height: 1.6;
}

img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 工具类 */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.mb-10 {
  margin-bottom: 10px;
}
.mb-15 {
  margin-bottom: 15px;
}
.mb-20 {
  margin-bottom: 20px;
}
.mb-25 {
  margin-bottom: 25px;
}
.mb-30 {
  margin-bottom: 30px;
}
.mb-40 {
  margin-bottom: 40px;
}

.mt-10 {
  margin-top: 10px;
}
.mt-15 {
  margin-top: 15px;
}
.mt-20 {
  margin-top: 20px;
}
.mt-25 {
  margin-top: 25px;
}
.mt-30 {
  margin-top: 30px;
}
.mt-40 {
  margin-top: 40px;
}
.mt-50 {
  margin-top: 50px;
}

/* 基础样式调整 */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: #333;
  margin-bottom: 15px;
}

h1 {
  font-size: 56px;
  font-weight: bold;
}

h2 {
  font-size: 32px;
  font-weight: bold;
}

h3 {
  font-size: 24px;
  font-weight: bold;
}

h4 {
  font-size: 18px;
  font-weight: 500;
}

p {
  margin-bottom: 15px;
  color: #666;
  font-size: 16px;
  line-height: 1.8;
}

/* 按钮基础样式 */
.btn {
  display: inline-block;
  padding: 10px 30px;
  background-color: #ff6b00;
  color: white;
  border-radius: 25px;
  text-decoration: none;
  font-size: 16px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: #e55a00;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 107, 0, 0.3);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid #ff6b00;
  color: #ff6b00;
}

.btn-outline:hover {
  background-color: #ff6b00;
  color: #fff;
}

/* 阴影效果 */
.shadow-sm {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.shadow-md {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.shadow-lg {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* 过渡效果 */
.transition {
  transition: all 0.3s ease;
}

/* 统一过渡效果 */
.product-item.phone,
.category,
.game-card,
.company-img,
.about-text,
.advantage-item,
.contact-item,
.send-btn,
.customer-service-img,
.customer-service-btn .btn,
.nav-links a,
.download-btn {
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    background-color 0.3s ease,
    color 0.3s ease;
  will-change: transform, box-shadow;
}

/* 优化动画性能 */
.category::before {
  transition: left 0.5s ease-out;
}

.phone-game {
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  will-change: transform, box-shadow;
}

/* 圆角 */
.rounded {
  border-radius: 8px;
}

.rounded-lg {
  border-radius: 15px;
}

.rounded-full {
  border-radius: 50%;
}

/* 统一圆角样式 */
.product-item,
.download-btn,
.game-card,
.computer-frame,
.computer-screen,
.company-img,
.about-text,
.advantage-item,
.form-input,
.form-textarea,
.customer-service-img {
  border-radius: 15px;
}

/* 头部导航 */
header {
  background-color: transparent;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  max-height: 40px;
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-links a {
  text-decoration: none;
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav-links a:hover {
  color: #ff6b00;
  transform: translateY(-2px);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #ff6b00;
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

/* 主视觉区 */
.hero {
  width: 100%;
  height: 600px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: white;
  position: relative;
}

.hero::after {
  content: ""; /* 必须有，伪元素渲染的核心 */
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  /* 优化：inline-block 改为 block（全屏背景无需行内特性，更稳定） */
  display: block;
  width: 100%;
  height: 100%;
  background: url("../img/hero-bg.png"); /* 路径建议加引号，避免特殊字符问题 */
  background-size: cover; /* 完全填满伪元素，保持比例（推荐） */
  background-position: center; /* 背景图居中，避免关键内容被裁剪 */
  background-repeat: no-repeat; /* 禁止背景图重复（必加，默认会重复） */
  /* background-attachment: fixed; 可选：滚动时背景图固定（视差效果） */
  z-index: 1; /* 确保背景图在底层，不遮挡 .hero 内部内容 */
  /* 可选：添加遮罩层，让文字更清晰（适合背景图较亮的情况） */
  background-color: rgba(0, 0, 0, 0.3);
  background-blend-mode: overlay;
}

.hero h1 {
  font-size: 56px;
  margin-bottom: 30px;
  text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.8);
  z-index: 2;
  font-weight: bold;
  color: #fff;
}

.hero .btn {
  z-index: 2;
  padding: 12px 40px;
  font-size: 18px;
  background-color: #ff6b00;
  border-radius: 30px;
  box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
}

/* 下载按钮区域 */
.download-buttons {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin: -60px auto 60px;
  padding: 0 20px;
  z-index: 10;
  position: relative;
  max-width: 1200px;
}

.download-btn {
  width: 220px;
  padding: 25px 20px;
  background-color: white;
  border: 2px solid #ff6b00;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    border-color 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

.download-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 107, 0, 0.1),
    transparent
  );
  transition: left 0.5s;
}

.download-btn:hover::before {
  left: 100%;
}

.download-btn:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 35px rgba(255, 107, 0, 0.25);
  border-color: #e55a00;
}

.download-btn img {
  width: 60px;
  height: 60px;
  margin-bottom: 15px;
  transition: transform 0.3s ease;
}

.download-btn:hover img {
  transform: scale(1.1);
}

.download-btn span {
  font-size: 18px;
  font-weight: 500;
  color: #333;
  display: block;
  transition: color 0.3s ease;
}

.download-btn:hover span {
  color: #ff6b00;
}

.download-btn .btn-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: opacity 0.3s ease;
}

.download-btn.loading .btn-content {
  opacity: 0;
  pointer-events: none;
}

.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: 15px;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.download-btn.loading .loading-overlay {
  opacity: 1;
  visibility: visible;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid #ff6b00;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 10px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-overlay span {
  font-size: 14px;
  color: #ff6b00;
  font-weight: 500;
}

/* 产品展示 */
.section-title {
  text-align: center;
  font-size: 32px;
  margin: 60px 0 40px;
  position: relative;
  display: block;
  width: 100%;
  font-weight: bold;
  color: #333;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 5px;
  background-color: #ff6b00;
  border-radius: 3px;
}

/* 统一标题样式 */
.about-advantages h3::after,
.contact-info h3::after,
.contact-form h3::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: #ff6b00;
  border-radius: 2px;
}

.product-section {
  background-color: #fff;
  padding: 60px 0;
  margin-bottom: 60px;
}

.product-display {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 60px;
  padding: 40px 20px;
  margin: 0 auto;
  max-width: 1200px;
  position: relative;
}

.product-item.phone {
  flex: 0 0 auto;
  text-align: center;
  transition: transform 0.3s ease;
  position: relative;
}

.product-item.phone:hover {
  transform: translateY(-10px);
}

.phone-frame {
  width: 180px;
  height: 360px;
  background-color: #000;
  border-radius: 25px;
  position: relative;
  margin: 0 auto 20px;
  transition: all 0.3s ease;
}

.product-item.phone:hover .phone-frame {
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.phone-frame::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 6px;
  background-color: #333;
  border-radius: 3px;
}

.phone-screen {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 5px;
  display: block;
}

.product-label {
  text-align: center;
  padding: 15px 0;
  font-size: 18px;
  font-weight: 500;
  color: #333;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin-top: 15px;
  transition: all 0.3s ease;
}

.product-item.phone:hover .product-label {
  background-color: #ff6b00;
  color: #fff;
  box-shadow: 0 6px 20px rgba(255, 107, 0, 0.3);
}

/* 找街机 */
.find-game {
  margin: 60px 0;
  text-align: center;
  background-color: #fff;
  padding: 60px 0;
}

.section-subtitle {
  text-align: center;
  font-size: 18px;
  color: #666;
  margin-bottom: 40px;
  font-weight: 400;
}

.game-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.category-icon {
  width: 100%;
  height: auto;
  transition: transform 0.3s ease;
}

.category:hover .category-icon {
  transform: scale(1.1);
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
  margin-bottom: 40px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.game-card {
  border-radius: 15px;
  transition: all 0.3s ease;
  position: relative;
}

.game-card:hover {
  transform: translateY(-8px) scale(1.02);
}

.game-card img {
  width: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.game-name {
  padding: 15px;
  text-align: center;
  font-size: 16px;
  font-weight: 500;
  color: #333;
  background-color: #fff;
  transition: all 0.3s ease;
}

.game-card:hover .game-name {
  color: #ff6b00;
}

.view-all-container {
  text-align: center;
  margin-top: 50px;
}

.view-all {
  padding: 12px 40px;
  font-size: 18px;
  background-color: #ff6b00;
  color: white;
  border-radius: 30px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 6px 20px rgba(255, 107, 0, 0.3);
  display: inline-block;
}

.view-all:hover {
  background-color: #e55a00;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 107, 0, 0.4);
}

/* 经典玩法 */
.classic-play {
  padding: 60px 0;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  justify-content: center;
}

.playing-method {
  width: 100%;
  height: auto;
}

.play-content {
  align-items: center;
  gap: 60px;
  margin-top: 50px;
}

.play-left {
  flex: 1;
  max-width: 600px;
}

.computer-frame {
  background-color: #f0f0f0;
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
}

.computer-frame:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

.computer-header {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  padding: 10px 0;
}

.computer-camera {
  width: 12px;
  height: 12px;
  background-color: #333;
  border-radius: 50%;
}

.computer-buttons {
  display: flex;
  gap: 8px;
}

.computer-buttons::before,
.computer-buttons::after {
  content: "";
  width: 10px;
  height: 10px;
  background-color: #333;
  border-radius: 50%;
}

.computer-screen {
  background-color: #fff;
  border-radius: 10px;
  padding: 30px;
  min-height: 300px;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.1);
}

.play-instructions h3 {
  font-size: 24px;
  margin-bottom: 20px;
  color: #333;
  font-weight: bold;
}

.play-instructions p {
  font-size: 16px;
  color: #666;
  margin-bottom: 25px;
  line-height: 1.8;
}

.play-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.play-features li {
  font-size: 16px;
  color: #333;
  margin-bottom: 15px;
  padding-left: 5px;
  position: relative;
}

.play-features li::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 8px;
  width: 8px;
  height: 8px;
  background-color: #ff6b00;
  border-radius: 50%;
}

.play-right {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.phone-hand {
  position: relative;
  display: inline-block;
}

.phone-game {
  width: 220px;
  height: 440px;
  object-fit: cover;
  border-radius: 25px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
  transform: rotate(-10deg);
  transition: all 0.3s ease;
  border: 5px solid #000;
}

.phone-game:hover {
  transform: rotate(0deg) scale(1.05);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

/* 响应式设计 */
/* 响应式设计 */
/* 大屏设备 */
@media (max-width: 1200px) {
  .container {
    padding: 0 30px;
  }

  .product-display {
    gap: 40px;
  }

  .games-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 中屏设备 */
@media (max-width: 992px) {
  /* 导航栏 */
  .nav-links {
    gap: 30px;
  }

  /* 主视觉区 */
  .hero h1 {
    font-size: 48px;
  }

  /* 下载按钮 */
  .download-buttons {
    gap: 30px;
  }

  /* 产品展示 */
  .product-display {
    gap: 30px;
    flex-wrap: wrap;
  }

  /* 找街机 */
  .game-categories {
    flex-direction: column;
    align-items: center;
  }

  .category {
    width: 100%;
    max-width: 400px;
  }

  .games-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 经典玩法 */
  .play-content {
    flex-direction: column;
    gap: 40px;
  }

  .play-left,
  .play-right {
    width: 100%;
    max-width: 100%;
  }

  .phone-game {
    transform: rotate(0deg);
  }

  /* 关于我们 */
  .about-content {
    flex-direction: column;
    gap: 40px;
  }

  .about-left,
  .about-right {
    width: 100%;
    max-width: 100%;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
  }

  /* 联系我们 */
  footer .container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .contact-info,
  .contact-form,
  .customer-service {
    width: 100%;
    max-width: 500px;
  }

  .contact-info h3,
  .contact-form h3 {
    display: block;
    margin-left: auto;
    margin-right: auto;
  }

  .send-btn {
    align-self: center;
  }
}

/* 小屏设备 */
@media (max-width: 768px) {
  /* 导航栏 */
  .nav-links {
    gap: 20px;
  }

  .nav-links a {
    font-size: 14px;
  }

  /* 主视觉区 */
  .hero {
    height: 500px;
  }

  .hero h1 {
    font-size: 36px;
  }

  /* 下载按钮 */
  .download-buttons {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .download-btn {
    width: 250px;
  }

  /* 产品展示 */
  .product-item.phone {
    margin-bottom: 30px;
  }

  /* 找街机 */
  .games-grid {
    grid-template-columns: 1fr;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
  }

  /* 经典玩法 */
  .computer-frame {
    padding: 15px;
  }

  .play-instructions h3 {
    font-size: 20px;
  }

  /* 浮动按钮 */
  .floating-buttons {
    bottom: 20px;
    right: 20px;
  }

  .float-btn {
    width: 50px;
    height: 50px;
  }
}

/* 超小屏设备 */
@media (max-width: 480px) {
  /* 全局 */
  .container {
    padding: 0 15px;
  }

  /* 导航栏 */
  .nav-container {
    flex-direction: column;
    gap: 15px;
  }

  /* 主视觉区 */
  .hero {
    height: 400px;
  }

  .hero h1 {
    font-size: 28px;
  }

  /* 标题 */
  .section-title {
    font-size: 28px;
    margin: 40px 0 30px;
  }

  /* 联系我们 */
  .contact-items {
    gap: 20px;
  }

  .contact-item {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}

/* 关于我们 */
.about-us {
  padding: 60px 0;
  margin: 60px 0;
  background-color: #fff;
}

.about-content {
  display: flex;
  gap: 60px;
  justify-content: space-between;
  margin-top: 50px;
}

.about-left {
  flex: 1;
  max-width: 500px;
}

.company-img {
  width: 50%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
}

.company-img:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.about-right {
  flex: 1;
  max-width: 600px;
}

.about-text {
  background-color: #f9f9f9;
  padding: 30px;
  border-radius: 15px;
  margin-bottom: 40px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.about-text:hover {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.about-text p {
  font-size: 16px;
  line-height: 1.8;
  color: #666;
  text-indent: 2em;
  margin-bottom: 0;
}

.about-advantages h3 {
  font-size: 24px;
  margin-bottom: 30px;
  color: #333;
  font-weight: bold;
  position: relative;
  display: inline-block;
}

.about-advantages h3::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 4px;
  background-color: #ff6b00;
  border-radius: 2px;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}

.advantage-item {
  background-color: #fff;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  text-align: center;
}

.advantage-item:hover {
  transform: translateY(-10px);
}

.advantage-item h4 {
  margin-bottom: 15px;
}

.advantage-item p {
  margin-bottom: 0;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .about-content {
    flex-direction: column;
    gap: 40px;
  }

  .about-left,
  .about-right {
    width: 100%;
    max-width: 100%;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
  }
}

/* 联系我们 */
footer {
  background-color: #401608;
  color: white;
  padding: 60px 0 40px;
  background: linear-gradient(135deg, #401608 0%, #5a2510 100%);
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
}

/* 左侧联系信息 */
.contact-info {
  flex: 1;
  min-width: 250px;
}

.contact-info h3 {
  margin-bottom: 30px;
  font-size: 24px;
  color: #fff;
  font-weight: bold;
  position: relative;
  display: inline-block;
}

.contact-info h3::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: #ff6b00;
  border-radius: 2px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.contact-item {
  display: flex;
  align-items: center;
  color: #fff;
  font-size: 16px;
  transition: all 0.3s ease;
}

.contact-item:hover {
  transform: translateX(10px);
  color: #ff6b00;
}

.contact-icon {
  width: 32px;
  height: 32px;
  margin-right: 15px;
  transition: all 0.3s ease;
}

.contact-item:hover .contact-icon {
  transform: scale(1.1);
}

/* 中间发送消息表单 */
.contact-form {
  flex: 2;
  min-width: 350px;
}

.contact-form h3 {
  margin-bottom: 30px;
  font-size: 24px;
  color: #fff;
  font-weight: bold;
  position: relative;
  display: inline-block;
}

.contact-form h3::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: #ff6b00;
  border-radius: 2px;
}

.simplified-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 15px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-size: 16px;
  transition: all 0.3s ease;
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: #ff6b00;
  background-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  max-height: 200px;
}

.send-btn {
  background-color: #ff6b00;
  color: white;
  padding: 15px 40px;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  font-size: 18px;
  font-weight: 500;
  transition: all 0.3s ease;
  align-self: flex-start;
  box-shadow: 0 6px 20px rgba(255, 107, 0, 0.3);
}

.send-btn:hover {
  background-color: #e55a00;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 107, 0, 0.4);
}

/* 右侧客服信息 */
.customer-service {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.customer-service-img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  overflow: hidden;
  border: 5px solid #ff6b00;
  box-shadow: 0 8px 25px rgba(255, 107, 0, 0.3);
  margin-bottom: 25px;
  transition: all 0.3s ease;
  margin-top: 0;
  display: block;
}

.customer-service-img:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 35px rgba(255, 107, 0, 0.4);
}

.customer-service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin-top: 0;
}

.customer-service-info h4 {
  font-size: 20px;
  color: #fff;
  margin-bottom: 10px;
  font-weight: bold;
}

.customer-service-info p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 25px;
}

.customer-service-btn .btn {
  background-color: transparent;
  border: 2px solid #ff6b00;
  color: #ff6b00;
  padding: 12px 30px;
  font-size: 16px;
  border-radius: 25px;
  transition: all 0.3s ease;
}

.customer-service-btn .btn:hover {
  background-color: #ff6b00;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 0, 0.3);
}

/* 响应式设计 */
@media (max-width: 992px) {
  footer .container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .contact-info,
  .contact-form,
  .customer-service {
    width: 100%;
    max-width: 500px;
  }

  .contact-info h3,
  .contact-form h3 {
    display: block;
    margin-left: auto;
    margin-right: auto;
  }

  .send-btn {
    align-self: center;
  }
}

/* 浮动按钮容器 */
.floating-buttons {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
}

/* 每个按钮样式 */
.float-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fcf3ea;
  border-radius: 50%;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: transform 0.3s;
}

.float-btn:hover {
  transform: scale(1.1);
}

/* 按钮内的图片样式 */
.float-btn img {
  width: 24px;
  height: 24px;
}