/* DragonOS镜像站首页样式 */
#wrapper {
  margin: 0 5%;
  padding: 0 1rem;
  overflow-x: hidden;
  position: relative;
  width: 90%;
  max-width: 90%;
}

:root {
  --dragon-light-blue: #4da6ff; /* 亮蓝 */
  --dragon-dark-blue: #1a56db; /* 深蓝 */
  --dragon-purple: #db34d3; /* 粉紫 */
  --dragon-dark: #111827;
  --dragon-light: #f3f4f6;
}

body {
  background: linear-gradient(135deg, var(--dragon-light) 0%, #e5e7eb 100%);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  margin: 0;
  padding: 2rem;
  color: var(--dragon-dark);
  min-height: 100vh;
}

/* 保持原有加载动画 */
.is-preload {
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

.is-preload.is-loaded {
  opacity: 1;
}

/* 添加页面滚动时的固定导航栏 */
#nav {
  position: relative;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: #fff;
  padding: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 为导航栏链接添加更多悬停效果 */
#nav ul li a:hover {
  background-color: #e0e0e0;
  border-radius: 4px;
  color: #333;
  text-decoration: underline;
}

#header {
  background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.9) 0%,
      rgba(255, 255, 255, 0.7) 100%
    ),
    url("https://dragonos.org/wp-content/uploads/2023/03/图形中英文完整@0.5x-1024x275.png")
      no-repeat center center/cover;
  padding: 6rem 0;
  text-align: center;
  animation: fadeIn 1s ease-in-out;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  z-index: 1;
}

#header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.7);
  z-index: -1;
}

/* 定义淡入动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

#header h1 {
  font-size: 3rem;
  color: var(--dragon-dark-blue);
  margin: 0;
  font-weight: 700;
  animation: slideInDown 0.8s ease-out;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

/* 定义下滑动画 */
@keyframes slideInDown {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

#header p {
  font-size: 1.5rem;
  color: #6b7280;
  margin: 1rem 0 0;
  animation: fadeInUp 1s ease-out;
  font-weight: 500;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

/* 定义淡入上滑动画 */
@keyframes fadeInUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

#nav {
  background: rgba(255, 255, 255, 0.95);
  padding: 0.8rem 0;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

#nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

#nav ul li {
  flex-grow: 0;
  flex-shrink: 0;
}

#nav ul li {
  position: relative;
}

#nav ul li a {
  text-decoration: none;
  color: var(--dragon-dark-blue);
  font-weight: 600;
  padding: 0.5rem 1rem;
  transition: all 0.3s ease;
  position: relative;
}

#nav ul li a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--dragon-dark-blue),
    var(--dragon-purple)
  );
  transition: width 0.3s ease;
}

#nav ul li a:hover {
  color: var(--dragon-purple);
  background-color: transparent;
}

#nav ul li a:hover::after {
  width: 100%;
}

#nav ul li a.active {
  color: var(--dragon-purple);
}

#nav ul li a.active::after {
  width: 100%;
}

.main {
  padding: 2rem;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

.spotlight {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 2rem 0;
}

.spotlight .content {
  max-width: 600px;
  text-align: center;
}

.spotlight .content h2 {
  font-size: 2rem;
  color: #333;
  margin: 0 0 1rem;
  font-weight: bold;
}

.spotlight .content h3 {
  font-size: 1.2rem;
  color: #666;
  margin: 0 0 1.5rem;
}

.spotlight .content .actions {
  display: flex;
  justify-content: center;
}

.spotlight .content .actions .button {
  background: linear-gradient(
    45deg,
    var(--dragon-dark-blue),
    var(--dragon-purple)
  );
  color: #fff;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(26, 86, 219, 0.3);
  font-weight: 600;
  position: relative;
  overflow: hidden;
}

.spotlight .content .actions .button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(26, 86, 219, 0.4);
  background: linear-gradient(45deg, #1a4fd8, #db34d3);
}

.spotlight .content .actions .button:active {
  transform: translateY(0);
}

.spotlight .content .actions .button::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.spotlight .content .actions .button:hover::after {
  transform: translateX(100%);
}

.main.special {
  background-color: #fff;
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  animation: fadeIn 1s ease-in-out;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.main.special:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
  border-color: rgba(255, 255, 255, 0.5);
}

.main.special h2 {
  font-size: 1.8rem;
  color: #333;
  margin: 0 0 1rem;
}

.main.special ul.features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.main.special ul.features li {
  flex: 1 1;
  text-align: center;
}

.main.special ul.features li a {
  display: inline-block;
  margin-bottom: 1rem;
}

.main.special ul.features li h3 {
  font-size: 1.2rem;
  color: #333;
  margin: 0 0 0.5rem;
}

.main.special ul.features li a {
  text-decoration: none;
  color: #333;
}

.main.special ul.features li a:hover {
  color: #555;
  text-decoration: underline;
}

.main.special ul.actions {
  padding-inline-start: 0;
}

#cta {
  background: rgba(255, 255, 255, 0.95);
  padding: 3rem 2rem;
  margin: 3rem 0;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(79, 70, 229, 0.15);
  animation: fadeIn 1s ease-in-out;
  text-align: center;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

#cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--dragon-dark-blue),
    var(--dragon-purple)
  );
}

#cta h2 {
  font-size: 2rem;
  color: var(--dragon-dark-blue);
  margin: 0 0 1.5rem;
  font-weight: 600;
}

#cta ul {
  list-style: none;
  margin: 0 auto 2rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-width: 600px;
}

#cta ul li {
  font-size: 1.2rem;
  color: #555;
  line-height: 1.6;
}

#cta .actions .button {
  background: linear-gradient(
    45deg,
    var(--dragon-dark-blue),
    var(--dragon-purple)
  );
  color: #fff;
  padding: 1rem 2rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(26, 86, 219, 0.3);
  font-weight: 600;
  font-size: 1.1rem;
}

#cta .actions .button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(26, 86, 219, 0.4);
  background: linear-gradient(45deg, #1a4fd8, #db34d3);
}

footer {
  background: rgba(255, 255, 255, 0.9);
  padding: 2rem 1.5rem;
  text-align: center;
  margin-top: 3rem;
  box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.05);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(10px);
}

footer .copyright {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: #555;
  margin: 0;
  line-height: 1.6;
}

footer .copyright a {
  color: var(--dragon-dark-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

footer .copyright a:hover {
  color: var(--dragon-purple);
  text-decoration: underline;
}

footer::before {
  content: "";
  display: block;
  width: 100px;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--dragon-dark-blue),
    var(--dragon-purple)
  );
  margin: 0 auto 1.5rem;
  border-radius: 2px;
}

/* 立即加入我们按钮样式 - 与前往赞助按钮一致 */
.cta-button {
  background: linear-gradient(
    45deg,
    var(--dragon-dark-blue),
    var(--dragon-purple)
  );
  color: #fff;
  padding: 1rem 2rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(26, 86, 219, 0.3);
  font-weight: 600;
  font-size: 1.1rem;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(26, 86, 219, 0.4);
  background: linear-gradient(45deg, #1a4fd8, #db34d3);
}

/* 立即加入我们按钮特殊样式 */
.button.join-button {
  background: linear-gradient(
    45deg,
    var(--dragon-purple),
    var(--dragon-dark-blue)
  );
  font-size: 1.1rem;
  padding: 0.8rem 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(219, 52, 211, 0.3);
  font-weight: 500;
  text-transform: none;
  letter-spacing: normal;
}

.button.join-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(219, 52, 211, 0.4);
  background: linear-gradient(45deg, #e82ee8, #1a56db);
}

.button.join-button:active {
  transform: translateY(0);
}

/* 移除按钮文字下划线 */
.button,
.cta-button {
  text-decoration: none !important;
}

/* 资源中心卡片样式 */
#first .content {
  margin: 2rem 0;
}

.download-info {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin: 2rem 0;
}

.download-item {
  background: rgba(255, 255, 255, 0.98);
  padding: 2.5rem 2rem;
  border-radius: 16px;
  box-shadow: 0 8px 16px rgba(26, 86, 219, 0.08);
  width: 320px;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  border: 1px solid rgba(77, 166, 255, 0.3);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.download-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(
    90deg,
    var(--dragon-dark-blue),
    var(--dragon-purple)
  );
}

.download-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(26, 86, 219, 0.15);
  border-color: rgba(77, 166, 255, 0.6);
}

.download-item .icon {
  font-size: 3rem;
  color: var(--dragon-dark-blue);
  margin-bottom: 1.5rem;
  display: inline-block;
  transition: all 0.3s ease;
}

.download-item:hover .icon {
  transform: scale(1.1);
  color: var(--dragon-purple);
}

.download-item h3 {
  color: var(--dragon-dark-blue);
  margin-bottom: 1.2rem;
  font-size: 1.5rem;
  font-weight: 700;
  position: relative;
}

.download-item p {
  color: var(--dragon-dark);
  line-height: 1.6;
}

.download-item a {
  display: inline-block;
  color: var(--dragon-dark-blue);
  text-decoration: none;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  background: rgba(77, 166, 255, 0.1);
  transition: all 0.3s ease;
}

.download-item a:hover {
  color: white;
  background: linear-gradient(
    45deg,
    var(--dragon-dark-blue),
    var(--dragon-purple)
  );
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(26, 86, 219, 0.2);
}

/* 文件列表表格样式 */
.file-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.file-table th {
  background: linear-gradient(
    45deg,
    color-mix(in srgb, var(--dragon-dark-blue) 80%, transparent),
    color-mix(in srgb, var(--dragon-purple) 80%, transparent)
  );
  color: rgb(255, 255, 255);
  padding: 1rem;
  text-align: left;
}

.file-table td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.file-table tr:last-child td {
  border-bottom: none;
}

.file-table a {
  color: var(--dragon-dark-blue);
  transition: color 0.2s ease;
}

.file-table a:hover {
  color: var(--dragon-purple);
  text-decoration: none;
}