/* ===== 全局重置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===== 加载页 ===== */
.loader {
  position: fixed;
  inset: 0;
  background: #0a0e1a;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  transition: opacity 0.8s, visibility 0.8s;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

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

.loader-logo img {
  width: 110px;
  height: 110px;
  display: block;
}

.loader-text {
  color: #5a7a99;
  font-size: 14px;
  letter-spacing: 3px;
}

.loader-bar {
  width: 220px;
  height: 3px;
  background: rgba(0, 217, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.loader-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #00d9ff, #00a8d6);
  border-radius: 2px;
  animation: loaderFill 2s ease-out forwards;
}

@keyframes loaderFill {
  from { width: 0; }
  to { width: 100%; }
}

body {
  font-family: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
  background: #0a0e1a;
  background-image:
    linear-gradient(rgba(0,200,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  color: #c8d6e5;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
/* 音乐控制容器 */
.music-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 音乐播放/暂停按钮 */
.music-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 4px 6px;
    transition: all 0.3s ease;
    opacity: 0.55;
    border-radius: 3px;
}

.music-toggle:hover {
    opacity: 1;
    transform: scale(1.15);
}

/* 播放中的激活状态 */
.music-toggle.playing {
    opacity: 1;
    color: #00d9ff;
    text-shadow: 0 0 8px rgba(0,217,255,0.5);
    animation: musicPulse 2s infinite;
}

@keyframes musicPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.12); }
    100% { transform: scale(1); }
}

/* 循环模式按钮 */
.music-loop-btn {
    cursor: pointer;
    font-size: 14px;
    padding: 4px 4px;
    opacity: 0.45;
    transition: all 0.3s ease;
    border-radius: 3px;
    user-select: none;
}

.music-loop-btn:hover {
    opacity: 1;
    transform: scale(1.15);
}

/* 图标大小 */
.music-icon {
    font-size: 18px;
}

/* ===== 顶部导航栏 ===== */
.top-bar {
  background: linear-gradient(135deg, rgba(15,25,45,0.95) 0%, rgba(10,20,35,0.95) 100%);
  border-bottom: 1px solid rgba(0,200,255,0.3);
  border-radius: 0;
  padding: 12px 24px;
  margin: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,200,255,0.08);
}

.top-left .brand {
  font-weight: bold;
  font-size: 22px;
  color: #00d9ff;
  text-shadow: 0 0 10px rgba(0,217,255,0.5);
}

.top-left .divider {
  margin: 0 8px;
  color: rgba(0,200,255,0.4);
}

.top-left .studio-name {
  font-size: 18px;
  color: #e0e0e0;
  font-style: italic;
}

.top-left .studio-name sup {
  font-size: 9px;
  vertical-align: super;
  color: #00d9ff;
}

.top-left .panel-tag {
  margin-left: 12px;
  font-size: 14px;
  color: #5a7a99;
}

.footer .version-tag {
  font-size: 11px;
  background: rgba(0,217,255,0.15);
  color: #00d9ff;
  border: 1px solid rgba(42, 181, 206, 0.4);
  padding: 3px 10px;
  border-radius: 3px;
  font-weight: bold;
  letter-spacing: 1px;
  display: inline-block;
  margin-top: 6px;
}

.top-right {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: #5a7a99;
}

.top-right .contact-info,
.top-right .domain-link {
  color: #5a7a99;
  transition: color 0.3s;
}

.top-right .contact-info:hover,
.top-right .domain-link:hover {
  color: #00d9ff;
}

/* ===== 两列布局 ===== */
.body-wrapper {
  display: flex;
  flex-direction: row;
  flex: 1;
}

/* ===== 左侧边栏菜单 ===== */
.sidebar {
  flex-shrink: 0;
  width: 160px;
  padding: 15px 8px;
  background: rgba(10,15,30,0.6);
  border-right: 1px solid rgba(0,200,255,0.15);
}

.side-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-item {
  display: block;
  text-align: center;
  padding: 13px 6px;
  border: 1px solid rgba(0,200,255,0.25);
  background: rgba(15,25,45,0.6);
  text-decoration: none;
  color: #8aa8c8;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s;
  border-radius: 2px;
  position: relative;
  white-space: nowrap;
  letter-spacing: 1px;
}

.nav-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: transparent;
  transition: all 0.3s;
}

.nav-item:hover {
  background: rgba(0,217,255,0.1);
  border-color: rgba(0,217,255,0.5);
  color: #00d9ff;
  box-shadow: 0 0 15px rgba(0,217,255,0.15);
  transform: translateX(3px);
}

.nav-item:hover::before {
  background: #00d9ff;
  box-shadow: 0 0 8px #00d9ff;
}

.nav-item.active {
  background: rgba(0,217,255,0.15);
  border-color: rgba(0,217,255,0.6);
  color: #00d9ff;
  box-shadow: 0 0 20px rgba(0,217,255,0.2), inset 0 0 15px rgba(0,217,255,0.05);
}

.nav-item.active::before {
  background: #00d9ff;
  box-shadow: 0 0 10px #00d9ff;
}

/* ===== 主内容区域 ===== */
.main-content {
  flex: 1;
  padding: 15px 30px 30px 30px;
  min-height: 0;
  min-width: 0;
  overflow-x: hidden;
}

.page-view {
  animation: fadeIn 0.4s ease;
}

.page-view.hidden { display: none; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 页面标题 ===== */
.page-title {
  font-size: 26px;
  margin-bottom: 25px;
  border-bottom: 1px solid rgba(0,200,255,0.2);
  padding-bottom: 10px;
  display: inline-block;
  color: #e0e0e0;
  letter-spacing: 2px;
  position: relative;
}

.page-title::after {
  content: '';
  position: absolute;
  left: 0; bottom: -1px;
  width: 60px; height: 2px;
  background: #00d9ff;
  box-shadow: 0 0 8px #00d9ff;
}

/* ===== 主公司页面 ===== */
.team-intro {
  font-size: 15px;
  color: #8aa8c8;
  margin-bottom: 25px;
  max-width: 700px;
  line-height: 1.7;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 35px;
}

.team-card {
  border: 1px solid rgba(0,200,255,0.2);
  border-radius: 4px;
  padding: 30px 22px;
  background: rgba(15,25,45,0.5);
  text-align: center;
  transition: all 0.3s;
  backdrop-filter: blur(5px);
  position: relative;
  overflow: hidden;
}

.team-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #00d9ff, transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.team-card:hover {
  background: rgba(0,217,255,0.08);
  border-color: rgba(0,217,255,0.5);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,217,255,0.15);
}

.team-card:hover::before {
  opacity: 1;
}

.team-card .team-icon {
  font-size: 38px;
  margin-bottom: 12px;
  filter: drop-shadow(0 0 8px rgba(0,217,255,0.4));
}

.team-card h3 {
  font-size: 18px;
  font-weight: bold;
  color: #e0e0e0;
  margin-bottom: 10px;
}

.team-card p {
  font-size: 13px;
  color: #7a9ab8;
  line-height: 1.7;
}

/* 详细架构卡片 */
.team-detail {
  margin-top: 10px;
}

.team-detail-title {
  font-size: 20px;
  font-weight: bold;
  color: #00d9ff;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(0,200,255,0.2);
  padding-bottom: 8px;
  letter-spacing: 1px;
}

.team-detail-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.team-detail-card {
  border: 1px solid rgba(0,200,255,0.15);
  border-radius: 3px;
  padding: 25px 22px;
  background: rgba(15,25,45,0.4);
  transition: all 0.3s;
  backdrop-filter: blur(5px);
}

.team-detail-card:hover {
  border-color: rgba(0,217,255,0.4);
  background: rgba(0,217,255,0.06);
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0,217,255,0.1);
}

.team-detail-card h4 {
  font-size: 17px;
  font-weight: bold;
  color: #00d9ff;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.team-detail-card p {
  font-size: 13px;
  color: #7a9ab8;
  line-height: 1.8;
  margin-bottom: 10px;
}

.team-detail-card .highlight {
  color: #00d9ff;
  font-weight: 500;
  text-shadow: 0 0 6px rgba(0,217,255,0.3);
}

/* 响应式 */
@media (max-width: 768px) {
  .team-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== 业务办理 - 服务卡片网格（3列） ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 800px;
}

.service-card {
  border: 1px solid rgba(0,200,255,0.2);
  background: rgba(15,25,45,0.5);
  padding: 28px 18px;
  text-align: center;
  border-radius: 3px;
  transition: all 0.3s;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(5px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #00d9ff, transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.service-card:hover {
  background: rgba(0,217,255,0.08);
  border-color: rgba(0,217,255,0.5);
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0,217,255,0.15);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card .icon {
  font-size: 38px;
  margin-bottom: 14px;
  filter: drop-shadow(0 0 8px rgba(0,217,255,0.3));
}

.service-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: #e0e0e0;
}

.service-card p {
  font-size: 13px;
  color: #7a9ab8;
  line-height: 1.5;
}

/* ===== 作品展示网格 ===== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

.portfolio-card {
  border: 1px solid rgba(0,200,255,0.15);
  background: rgba(15,25,45,0.5);
  border-radius: 3px;
  overflow: hidden;
  transition: all 0.3s;
  backdrop-filter: blur(5px);
}

.portfolio-card:hover {
  border-color: rgba(0,217,255,0.4);
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0,217,255,0.12);
}

.portfolio-card .card-body {
  padding: 18px;
}

.portfolio-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
  color: #e0e0e0;
}

.portfolio-card .category {
  font-size: 12px;
  color: #00d9ff;
  margin-bottom: 8px;
  font-weight: bold;
  letter-spacing: 1px;
}

.portfolio-card p {
  font-size: 13px;
  color: #7a9ab8;
}

/* ===== 关于我们 / 联系卡片 ===== */
.about-content {
  max-width: 700px;
  line-height: 1.9;
  font-size: 15px;
  color: #8aa8c8;
}

.about-content p {
  margin-bottom: 15px;
}

/* ===== 社交链接 ===== */
.social-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}

.social-card {
  border: 1px solid rgba(0,200,255,0.2);
  background: rgba(15,25,45,0.5);
  padding: 24px 18px;
  border-radius: 3px;
  text-align: center;
  transition: all 0.3s;
  backdrop-filter: blur(5px);
}

.social-card:hover {
  border-color: rgba(0,217,255,0.4);
  background: rgba(0,217,255,0.06);
  box-shadow: 0 5px 20px rgba(0,217,255,0.1);
}

.social-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: #e0e0e0;
}

.social-card p {
  font-size: 14px;
  color: #00d9ff;
  word-break: break-all;
}

/* ===== 关注我们 - B站卡片 ===== */
.bili-banner {
  display: block;
  text-decoration: none;
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(251,114,153,0.4);
  background: linear-gradient(135deg, rgba(251,114,153,0.12) 0%, rgba(251,114,153,0.04) 50%, rgba(15,25,45,0.6) 100%);
  transition: all 0.4s;
  max-width: 700px;
}

.bili-banner:hover {
  border-color: rgba(251,114,153,0.8);
  box-shadow: 0 8px 35px rgba(251,114,153,0.2), 0 0 20px rgba(251,114,153,0.1);
  transform: translateY(-3px);
}

.bili-banner:hover .bili-glow {
  opacity: 1;
}

.bili-banner:hover .bili-arrow {
  transform: translateX(4px);
  color: #fb7299;
}

.bili-banner-inner {
  display: flex;
  align-items: center;
  padding: 28px 25px;
  gap: 22px;
  position: relative;
  z-index: 1;
}

.bili-logo-area {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(251,114,153,0.3) 0%, rgba(251,114,153,0.1) 100%);
  border: 2px solid rgba(251,114,153,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(251,114,153,0.2);
}

.bili-tv-icon {
  font-size: 30px;
  filter: drop-shadow(0 0 6px rgba(251,114,153,0.4));
}

.bili-info {
  flex: 1;
}

.bili-info h3 {
  font-size: 18px;
  font-weight: bold;
  color: #fb7299;
  margin-bottom: 6px;
  letter-spacing: 1px;
  text-shadow: 0 0 8px rgba(251,114,153,0.3);
}

.bili-info p {
  font-size: 13px;
  color: #8a9ab8;
  line-height: 1.6;
  margin-bottom: 8px;
}

.bili-link-text {
  font-size: 12px;
  color: #fb7299;
  font-weight: 500;
  letter-spacing: 0.5px;
  opacity: 0.85;
}

.bili-arrow {
  font-size: 32px;
  color: rgba(251,114,153,0.5);
  transition: all 0.3s;
  flex-shrink: 0;
}

.bili-glow {
  position: absolute;
  top: -50%;
  right: -20%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(251,114,153,0.15) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

/* ===== ToDesk 蓝色主题卡片（覆盖 bili-banner 的粉色） ===== */
.todesk-banner {
  border: 1px solid rgba(0,217,255,0.4);
  background: linear-gradient(135deg, rgba(0,217,255,0.12) 0%, rgba(0,217,255,0.04) 50%, rgba(15,25,45,0.6) 100%);
}
.todesk-banner:hover {
  border-color: rgba(0,217,255,0.8);
  box-shadow: 0 8px 35px rgba(0,217,255,0.2), 0 0 20px rgba(0,217,255,0.1);
}
.todesk-banner:hover .bili-arrow {
  color: #00d9ff;
}
.todesk-banner .bili-logo-area {
  background: linear-gradient(135deg, rgba(0,217,255,0.3) 0%, rgba(0,217,255,0.1) 100%);
  border: 2px solid rgba(0,217,255,0.5);
  box-shadow: 0 0 15px rgba(0,217,255,0.2);
}
.todesk-banner .bili-tv-icon {
  filter: drop-shadow(0 0 6px rgba(0,217,255,0.4));
}
.todesk-banner .bili-info h3 {
  color: #00d9ff;
  text-shadow: 0 0 8px rgba(0,217,255,0.3);
}
.todesk-banner .bili-link-text {
  color: #00d9ff;
}
.todesk-banner .bili-arrow {
  color: rgba(0,217,255,0.5);
}
.todesk-banner .bili-glow {
  background: radial-gradient(circle, rgba(0,217,255,0.15) 0%, transparent 70%);
}

/* ===== 留言板表单 ===== */
.message-title {
  font-size: 20px;
  color: #00d9ff;
  margin-top: 35px;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.message-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 500px;
}

/* ===== 内容通用块 ===== */
.content-block {
  max-width: 700px;
  font-size: 15px;
  line-height: 1.8;
  color: #8aa8c8;
  border-left: 2px solid #00d9ff;
  padding-left: 20px;
}

/* ===== 协议/版权内容 ===== */
.agreement-content p,
.piracy-content p {
  font-size: 14px;
  line-height: 1.8;
  color: #7a9ab8;
  margin-bottom: 12px;
  padding: 12px 15px;
  border: 1px solid rgba(0,200,255,0.12);
  border-radius: 3px;
  background: rgba(15,25,45,0.4);
}

.piracy-content {
  max-width: 600px;
}

/* ===== 服务申请弹窗 ===== */
.order-modal {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,5,15,0.75);
  backdrop-filter: blur(5px);
  z-index: 9999;
  justify-content: center;
  align-items: center;
}

.order-modal.active {
  display: flex;
}

.order-content {
  background: linear-gradient(135deg, rgba(15,25,45,0.95) 0%, rgba(10,18,35,0.95) 100%);
  border: 1px solid rgba(0,217,255,0.4);
  border-radius: 6px;
  padding: 35px 30px;
  max-width: 450px;
  width: 90%;
  position: relative;
  box-shadow: 0 0 40px rgba(0,217,255,0.15), 0 10px 40px rgba(0,0,0,0.5);
}

.order-title {
  font-size: 24px;
  margin-bottom: 22px;
  text-align: left;
  border-bottom: 1px solid rgba(0,200,255,0.2);
  padding-bottom: 10px;
  color: #e0e0e0;
  letter-spacing: 2px;
}

.order-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.order-input,
.order-textarea {
  border: 1px solid rgba(0,200,255,0.25);
  border-radius: 3px;
  padding: 12px 15px;
  font-size: 15px;
  font-family: inherit;
  background: rgba(5,12,25,0.6);
  color: #c8d6e5;
  outline: none;
  transition: all 0.3s;
}

.order-input::placeholder,
.order-textarea::placeholder {
  color: #4a6a8a;
}

.order-input:focus,
.order-textarea:focus {
  border-color: #00d9ff;
  box-shadow: 0 0 0 3px rgba(0,217,255,0.1), 0 0 15px rgba(0,217,255,0.15);
  background: rgba(5,15,30,0.8);
}

.order-textarea {
  resize: vertical;
  min-height: 70px;
}

.order-contact {
  background: rgba(5,12,25,0.4);
  border: 1px solid rgba(0,200,255,0.15);
  border-radius: 3px;
  padding: 12px 15px;
}

.contact-label {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 5px;
  color: #e0e0e0;
}

.contact-email {
  font-size: 16px;
  color: #00d9ff;
  font-weight: bold;
  margin-bottom: 10px;
}

.order-submit {
  background: linear-gradient(135deg, rgba(0,217,255,0.2) 0%, rgba(0,150,255,0.15) 100%);
  color: #00d9ff;
  border: 1px solid rgba(0,217,255,0.5);
  border-radius: 3px;
  padding: 13px;
  font-size: 17px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s;
  letter-spacing: 3px;
}

.order-submit:hover {
  background: linear-gradient(135deg, rgba(0,217,255,0.35) 0%, rgba(0,150,255,0.25) 100%);
  border-color: #00d9ff;
  box-shadow: 0 0 20px rgba(0,217,255,0.3);
  transform: translateY(-2px);
}

.order-note {
  margin-top: 14px;
  font-size: 12px;
  color: #5a7a99;
  line-height: 1.7;
}

.order-close {
  position: absolute;
  top: 12px; right: 15px;
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: #5a7a99;
  transition: all 0.3s;
}

.order-close:hover { color: #ff4466; }

.service-card { cursor: pointer; }

/* ===== 顶部用户区域 ===== */
.user-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.login-btn {
  background: rgba(0,217,255,0.15);
  color: #00d9ff;
  border: 1px solid rgba(0,217,255,0.4);
  padding: 5px 14px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  transition: all 0.3s;
}

.login-btn:hover {
  background: rgba(0,217,255,0.25);
  box-shadow: 0 0 10px rgba(0,217,255,0.2);
}

.user-welcome {
  color: #00d9ff;
  font-size: 13px;
  font-weight: 500;
}

.logout-btn {
  background: none;
  color: #5a7a99;
  border: 1px solid rgba(90,122,153,0.4);
  padding: 4px 10px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 12px;
  font-family: inherit;
  transition: all 0.3s;
}

.logout-btn:hover {
  color: #ff4466;
  border-color: #ff4466;
}

/* ===== 登录弹窗 ===== */
.login-modal {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,5,15,0.75);
  backdrop-filter: blur(5px);
  z-index: 10000;
  justify-content: center;
  align-items: center;
}

.login-modal.active {
  display: flex;
}

.login-content {
  background: linear-gradient(135deg, rgba(15,25,45,0.97) 0%, rgba(10,18,35,0.97) 100%);
  border: 1px solid rgba(0,217,255,0.4);
  border-radius: 6px;
  padding: 35px 30px 20px;
  max-width: 380px;
  width: 90%;
  position: relative;
  box-shadow: 0 0 40px rgba(0,217,255,0.15), 0 10px 40px rgba(0,0,0,0.5);
}

.login-close {
  position: absolute;
  top: 10px; right: 12px;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: #5a7a99;
  transition: color 0.3s;
}
.login-close:hover { color: #ff4466; }

.login-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 22px;
  border-bottom: 1px solid rgba(0,200,255,0.15);
}

.login-tab {
  flex: 1;
  background: none;
  border: none;
  padding: 10px;
  font-size: 16px;
  color: #5a7a99;
  cursor: pointer;
  font-family: inherit;
  border-bottom: 2px solid transparent;
  transition: all 0.3s;
  letter-spacing: 2px;
}

.login-tab:hover {
  color: #8aa8c8;
}

.login-tab.active {
  color: #00d9ff;
  border-bottom-color: #00d9ff;
}

.login-form {
  display: none;
  flex-direction: column;
  gap: 14px;
}

.login-form.active {
  display: flex;
}

.login-input {
  border: 1px solid rgba(0,200,255,0.25);
  border-radius: 3px;
  padding: 12px 15px;
  font-size: 15px;
  font-family: inherit;
  background: rgba(5,12,25,0.6);
  color: #c8d6e5;
  outline: none;
  transition: all 0.3s;
}

.login-input::placeholder {
  color: #4a6a8a;
}

.login-input:focus {
  border-color: #00d9ff;
  box-shadow: 0 0 0 3px rgba(0,217,255,0.1), 0 0 15px rgba(0,217,255,0.15);
  background: rgba(5,15,30,0.8);
}

.login-error {
  font-size: 13px;
  color: #ff4466;
  text-align: center;
  margin: 0;
}

.login-submit {
  background: linear-gradient(135deg, rgba(0,217,255,0.2) 0%, rgba(0,150,255,0.15) 100%);
  color: #00d9ff;
  border: 1px solid rgba(0,217,255,0.5);
  border-radius: 3px;
  padding: 12px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s;
  letter-spacing: 3px;
  font-family: inherit;
  margin-top: 4px;
}

.login-submit:hover {
  background: linear-gradient(135deg, rgba(0,217,255,0.35) 0%, rgba(0,150,255,0.25) 100%);
  border-color: #00d9ff;
  box-shadow: 0 0 20px rgba(0,217,255,0.3);
}

.login-note {
  text-align: center;
  font-size: 11px;
  color: #5a7a99;
  margin-top: 14px;
}

/* ===== 底部版权 ===== */
.footer {
  text-align: center;
  padding: 18px 0;
  border-top: 1px solid rgba(0,200,255,0.15);
  margin-top: auto;
  font-size: 13px;
  color: #5a7a99;
  margin-left: 180px;
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: rgba(5,10,20,0.5); }
::-webkit-scrollbar-thumb {
  background: rgba(0,200,255,0.2);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(0,217,255,0.4);
}

/* ===== 移动端汉堡菜单按钮 & 遮罩（桌面端隐藏） ===== */
.mobile-menu-toggle {
  display: none;
}

.sidebar-backdrop {
  display: none;
}

/* ===== 响应式 - 竖屏手机布局（不影响桌面/横屏） ===== */
@media (max-width: 768px) {

  /* ---- 防止横向滚动（html 级别才在手机浏览器生效） ---- */
  html, body { overflow-x: hidden; max-width: 100%; }

  /* ---- 汉堡按钮 ---- */
  .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 38px;
    height: 38px;
    background: rgba(0,217,255,0.1);
    border: 1px solid rgba(0,217,255,0.3);
    border-radius: 4px;
    cursor: pointer;
    gap: 5px;
    flex-shrink: 0;
    transition: all 0.3s;
  }

  .mobile-menu-toggle:hover {
    background: rgba(0,217,255,0.2);
    box-shadow: 0 0 10px rgba(0,217,255,0.2);
  }

  .mobile-menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: #00d9ff;
    border-radius: 1px;
    transition: all 0.3s;
  }

  .mobile-menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .mobile-menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .mobile-menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* ---- 侧边栏 → 滑出抽屉 ---- */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 210px;
    z-index: 10001;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    padding: 60px 0 20px 0;
    background: rgba(10,15,30,0.98);
    backdrop-filter: blur(15px);
    overflow-y: auto;
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 5px 0 30px rgba(0,0,0,0.6);
  }

  .nav-item {
    font-size: 15px;
    padding: 14px 18px;
    text-align: left;
    margin: 0 8px;
    letter-spacing: 0.5px;
  }

  /* ---- 遮罩层 ---- */
  .sidebar-backdrop.active {
    display: block;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,5,15,0.6);
    backdrop-filter: blur(3px);
    z-index: 10000;
  }

  /* ---- 顶部栏紧凑化 ---- */
  .top-bar {
    padding: 8px 12px;
    flex-wrap: nowrap;
    gap: 8px;
  }

  .top-left {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
  }

  .top-left .brand {
    font-size: 18px;
  }

  .top-left .divider {
    margin: 0 5px;
  }

  .top-left .studio-name {
    font-size: 13px;
  }

  .top-left .studio-name sup {
    font-size: 7px;
  }

  .top-left .panel-tag {
    display: none;
  }

  .top-right {
    gap: 8px;
    font-size: 12px;
    flex-shrink: 0;
    align-items: center;
  }

  .top-right .contact-info,
  .top-right .domain-link {
    display: none;
  }

  /* ---- 主内容区域全宽 ---- */
  .main-content {
    margin-left: 0;
    padding: 12px 14px 50px 14px;
  }

  /* ---- 底部全宽 ---- */
  .footer {
    margin-left: 0;
    padding: 14px 14px;
  }

  /* ---- 页面标题 ---- */
  .page-title {
    font-size: 20px;
    letter-spacing: 1px;
    margin-bottom: 18px;
  }

  /* ---- 业务卡片：单列横排 ---- */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    max-width: 100%;
  }

  .service-card {
    flex-direction: row;
    text-align: left;
    gap: 14px;
    padding: 16px 14px;
    min-height: auto;
    align-items: center;
  }

  .service-card .icon {
    font-size: 32px;
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .service-card h3 {
    font-size: 16px;
    margin-bottom: 3px;
  }

  .service-card p {
    font-size: 12px;
  }

  /* ---- 团队卡片单列 ---- */
  .team-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 25px;
  }

  .team-card {
    padding: 22px 18px;
  }

  .team-detail-cards {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .team-detail-card {
    padding: 18px 16px;
  }

  .team-detail-title {
    font-size: 18px;
    margin-bottom: 14px;
  }

  /* ---- 社交/作品网格单列 ---- */
  .social-links {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* ---- B站卡片紧凑 ---- */
  .bili-banner {
    max-width: 100%;
  }

  .bili-banner-inner {
    padding: 18px 14px;
    gap: 14px;
  }

  .bili-logo-area {
    width: 48px;
    height: 48px;
  }

  .bili-tv-icon {
    font-size: 22px;
  }

  .bili-info h3 {
    font-size: 15px;
  }

  .bili-info p {
    font-size: 12px;
  }

  .bili-arrow {
    font-size: 26px;
  }

  /* ---- 内容块全宽 ---- */
  .content-block {
    max-width: 100%;
    padding-left: 14px;
    font-size: 14px;
  }

  .about-content {
    max-width: 100%;
    font-size: 14px;
  }

  .piracy-content {
    max-width: 100%;
  }

  .agreement-content p,
  .piracy-content p {
    font-size: 13px;
    padding: 10px 12px;
  }

  .team-intro {
    font-size: 14px;
    max-width: 100%;
  }

  /* ---- 弹窗适配 ---- */
  .order-content,
  .login-content {
    width: 92%;
    padding: 25px 18px;
  }

  .order-title {
    font-size: 20px;
  }

  .order-close {
    font-size: 15px;
    top: 10px;
    right: 10px;
    padding: 6px;
  }

  /* ---- 下载卡片响应式 ---- */
  .download-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 100%;
  }

  .download-card {
    padding: 28px 20px 24px;
  }
}

/* ===== 下载页面卡片 ===== */
.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 700px;
  margin-top: 10px;
}

.download-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 36px 28px 30px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.download-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.15);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}

.download-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  opacity: 0;
  transition: opacity 0.3s;
}

.download-card:first-child::before {
  background: linear-gradient(90deg, transparent, #00d9ff, transparent);
}

.download-card:last-child::before {
  background: linear-gradient(90deg, transparent, #3ddc84, transparent);
}

.download-card:hover::before {
  opacity: 1;
}

.dl-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  transition: transform 0.3s;
}

.download-card:hover .dl-icon {
  transform: scale(1.08);
}

.dl-win-icon {
  background: rgba(0,217,255,0.1);
  color: #00d9ff;
}

.dl-android-icon {
  background: rgba(61,220,132,0.1);
}

.download-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #e0e0e0;
  margin-bottom: 6px;
}

.dl-ver {
  font-size: 12px;
  color: #555;
  margin-bottom: 2px;
}

.dl-size {
  font-size: 13px;
  color: #555;
  margin-bottom: 22px;
}

.download-card:first-child .dl-size::after { content: " · EXE"; color: #00d9ff; font-size: 11px; }
.download-card:last-child .dl-size::after { content: " · APK"; color: #3ddc84; font-size: 11px; }

.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 36px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  letter-spacing: 1px;
}

.dl-btn-win {
  background: linear-gradient(135deg, #007799, #00a8d6);
}

.dl-btn-android {
  background: linear-gradient(135deg, #17803e, #27b55f);
}

.dl-btn:hover {
  transform: scale(1.04);
  box-shadow: 0 8px 25px rgba(0,0,0,0.35);
}

.dl-btn-win:hover { box-shadow: 0 8px 30px rgba(0,217,255,0.25); }
.dl-btn-android:hover { box-shadow: 0 8px 30px rgba(61,220,132,0.2); }
.dl-btn:active { transform: scale(0.97); }

/* ===== 首页 Hero ===== */
#page-adrenalin {
  max-width: 900px;
  margin: 0 auto;
}

.hero-section {
  position: relative;
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 25px;
  background: radial-gradient(ellipse at 50% 40%, rgba(0,80,120,0.15) 0%, transparent 70%);
}

.hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-logo-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
  opacity: 0.15;
  animation: heroLogoFloat 9s ease-in-out infinite;
}

.hero-logo-bg img {
  width: min(70vw, 460px);
  height: auto;
  display: block;
}

@keyframes heroLogoFloat {
  0%, 100% { transform: translate(-50%, -50%) scale(1) rotate(0deg); }
  50% { transform: translate(-50%, -50%) scale(1.06) rotate(2deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 30px 20px;
}

.hero-badge {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 3px;
  color: #00d9ff;
  border: 1px solid rgba(0,217,255,0.3);
  background: rgba(0,217,255,0.06);
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
  backdrop-filter: blur(5px);
  animation: heroBadgeIn 0.8s ease-out;
}

@keyframes heroBadgeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-title {
  font-size: 72px;
  font-weight: 900;
  letter-spacing: 4px;
  margin-bottom: 20px;
  line-height: 1;
}

.hero-grad {
  background: linear-gradient(135deg, #00d9ff 0%, #00a8d6 50%, #007799 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(0,217,255,0.4));
  animation: heroTitleIn 1s ease-out 0.2s both, titleGlow 3s ease-in-out 1.5s infinite;
}

.hero-grad-2 {
  background: linear-gradient(135deg, #e0e0e0 0%, #8aa8c8 50%, #5a7a99 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 12px rgba(200,214,229,0.2));
  animation: heroTitleIn 1s ease-out 0.5s both;
}

@keyframes heroTitleIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.hero-typing-wrap {
  font-size: 17px;
  color: #7a9ab8;
  letter-spacing: 2px;
  margin-bottom: 32px;
  min-height: 26px;
}

.hero-cursor {
  color: #00d9ff;
  font-weight: bold;
  animation: heroCursor 0.8s infinite;
}

@keyframes heroCursor {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  animation: heroBadgeIn 0.8s ease-out 0.8s both;
}

.hero-btn {
  padding: 13px 32px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s;
  letter-spacing: 1px;
  border: none;
}

.hero-btn-primary {
  background: linear-gradient(135deg, #00d9ff 0%, #00a8d6 100%);
  color: #0a0e1a;
  box-shadow: 0 4px 20px rgba(0,217,255,0.3);
}

.hero-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,217,255,0.5);
}

.hero-btn-ghost {
  background: transparent;
  color: #8aa8c8;
  border: 1px solid rgba(0,217,255,0.3);
}

.hero-btn-ghost:hover {
  color: #00d9ff;
  border-color: #00d9ff;
  background: rgba(0,217,255,0.08);
  transform: translateY(-3px);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: #4a6a8a;
  letter-spacing: 2px;
  animation: heroScroll 2s infinite;
  z-index: 1;
}

@keyframes heroScroll {
  0%, 100% { opacity: 0.3; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.8; transform: translateX(-50%) translateY(6px); }
}

/* ===== 数据统计 ===== */
.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin-bottom: 30px;
  flex-wrap: wrap;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 32px;
}

.stat-num {
  font-size: 42px;
  font-weight: 900;
  background: linear-gradient(135deg, #00d9ff, #00a8d6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 10px rgba(0,217,255,0.3));
  line-height: 1.2;
}

.stat-suffix {
  font-size: 28px;
  font-weight: 900;
  color: #00d9ff;
  filter: drop-shadow(0 0 8px rgba(0,217,255,0.3));
}

.stat-label {
  font-size: 13px;
  color: #5a7a99;
  letter-spacing: 2px;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 44px;
  background: linear-gradient(180deg, transparent, rgba(0,217,255,0.3), transparent);
}

/* ===== 快速导航 ===== */
.hero-quick-nav {
  margin-bottom: 30px;
}

.hero-section-title {
  font-size: 22px;
  font-weight: bold;
  color: #e0e0e0;
  margin-bottom: 24px;
  text-align: center;
  letter-spacing: 3px;
  position: relative;
}

.hero-section-title::before,
.hero-section-title::after {
  content: '';
  display: inline-block;
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, #00d9ff);
  vertical-align: middle;
  margin: 0 16px;
}

.hero-section-title::after {
  background: linear-gradient(90deg, #00d9ff, transparent);
}

.hero-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 560px;
  margin: 0 auto;
}

.hero-nav-card {
  border: 1px solid rgba(0,200,255,0.15);
  background: rgba(15,25,45,0.5);
  border-radius: 6px;
  padding: 28px 18px;
  text-align: center;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(5px);
}

.hero-nav-card::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,217,255,0.06), transparent);
  transition: left 0.5s;
}

.hero-nav-card:hover::before {
  left: 100%;
}

.hero-nav-card:hover {
  border-color: rgba(0,217,255,0.5);
  background: rgba(0,217,255,0.06);
  transform: translateY(-6px);
  box-shadow: 0 12px 35px rgba(0,217,255,0.15);
}

.hero-nav-icon {
  font-size: 36px;
  margin-bottom: 14px;
  filter: drop-shadow(0 0 8px rgba(0,217,255,0.3));
  transition: transform 0.3s;
}

.hero-nav-card:hover .hero-nav-icon {
  transform: scale(1.15);
}

.hero-nav-card h4 {
  font-size: 16px;
  font-weight: bold;
  color: #e0e0e0;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.hero-nav-card p {
  font-size: 12px;
  color: #7a9ab8;
  line-height: 1.6;
}

/* ===== 底部 Slogan ===== */
.hero-slogan {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 15px 0 5px;
}

.slogan-line {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,217,255,0.4), transparent);
}

.hero-slogan p {
  font-size: 16px;
  color: #00d9ff;
  letter-spacing: 6px;
  text-shadow: 0 0 12px rgba(0,217,255,0.3);
}

/* ===== 首页服务入口 ===== */
.home-services {
  max-width: 900px;
  margin: 30px auto 10px;
  padding: 0 16px;
}

.home-services-title {
  text-align: center;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 8px;
  color: #00d9ff;
  text-shadow: 0 0 14px rgba(0,217,255,0.35);
  margin-bottom: 18px;
}

.home-services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

@media (max-width: 640px) {
  .home-services-grid {
    grid-template-columns: 1fr;
  }
}

.home-service-card {
  display: flex;
  align-items: center;
  gap: 18px;
  text-decoration: none;
  border: 1px solid rgba(0,217,255,0.22);
  background: rgba(15,25,45,0.5);
  border-radius: 10px;
  padding: 22px 24px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(5px);
  transition: all 0.3s;
}

.home-service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #00d9ff, transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.home-service-card:hover {
  background: rgba(0,217,255,0.08);
  border-color: rgba(0,217,255,0.55);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0,217,255,0.16);
}

.home-service-card:hover::before {
  opacity: 1;
}

.home-service-icon {
  font-size: 38px;
  filter: drop-shadow(0 0 8px rgba(0,217,255,0.3));
  flex-shrink: 0;
}

.home-service-text {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.home-service-text strong {
  font-size: 18px;
  color: #e0e0e0;
}

.home-service-text em {
  font-style: normal;
  font-size: 13px;
  color: #7a9ab8;
}

.home-service-arrow {
  font-size: 22px;
  color: #00d9ff;
  flex-shrink: 0;
  transition: transform 0.3s;
}

.home-service-card:hover .home-service-arrow {
  transform: translateX(6px);
}

/* ===== 生日快乐卡片 ===== */
.birthday-hero-card {
  display: block;
  text-decoration: none;
  max-width: 560px;
  margin: 40px auto 0;
  border: 2px solid rgba(255, 215, 0, 0.25);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(255,107,157,0.06), rgba(0,217,255,0.05), rgba(255,215,0,0.06));
  padding: 32px 24px;
  text-align: center;
  transition: all 0.45s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(5px);
}

.birthday-hero-card::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,215,0,0.06), rgba(255,107,157,0.06), transparent);
  transition: left 0.6s;
}

.birthday-hero-card:hover {
  border-color: rgba(255, 215, 0, 0.7);
  box-shadow: 0 0 50px rgba(255,215,0,0.15), 0 0 20px rgba(255,107,157,0.1);
  transform: translateY(-6px);
}

.birthday-hero-card:hover::before {
  left: 100%;
}

.birthday-icon {
  font-size: 52px;
  margin-bottom: 14px;
  animation: heroBounce 2s infinite ease-in-out;
  display: block;
}

.birthday-title {
  font-size: 26px;
  font-weight: bold;
  background: linear-gradient(135deg, #ffd700, #ff6b9d, #00d9ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
  letter-spacing: 4px;
}

.birthday-desc {
  font-size: 14px;
  color: #8aa8c8;
  letter-spacing: 2px;
}

.birthday-sparkles {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
}

.birthday-sparkle {
  position: absolute;
  font-size: 18px;
  opacity: 0;
  animation: bdSparkle 3s infinite ease-in-out;
  animation-delay: var(--d);
}

@keyframes bdSparkle {
  0%, 100% { opacity: 0; transform: scale(0.5) rotate(0deg); }
  50% { opacity: 0.7; transform: scale(1.3) rotate(10deg); }
}

@keyframes heroBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== 首页响应式 ===== */
@media (max-width: 768px) {
  /* 防止横向溢出 */
  #page-adrenalin { max-width: 100%; overflow-x: hidden; }

  /* Hero 区域纵向紧凑 */
  .hero-section {
    min-height: auto;
    padding: 50px 0 40px;
    margin-bottom: 20px;
    max-width: 100%;
  }
  .hero-content { padding: 0 16px; max-width: 100%; overflow: hidden; }
  .hero-title { font-size: 48px; letter-spacing: 2px; }
  .hero-typing-wrap { font-size: 14px; margin-bottom: 28px; }
  .hero-badge { font-size: 11px; padding: 4px 14px; margin-bottom: 20px; }

  /* 按钮并排自适应 */
  .hero-actions { gap: 12px; }
  .hero-btn { padding: 11px 20px; font-size: 14px; }

  /* 隐藏滚动提示和快速导航（手机端裁剪） */
  .hero-scroll-hint { display: none; }
  .hero-quick-nav { display: none; }

  /* 统计数字紧凑单行 */
  .hero-stats {
    display: flex;
    gap: 0;
    margin-bottom: 20px;
    max-width: 100%;
  }
  .stat-item { padding: 0 4px; flex: 1 1 25%; min-width: 0; }
  .stat-num { font-size: 22px; }
  .stat-suffix { font-size: 15px; }
  .stat-label { font-size: 9px; letter-spacing: 0.5px; }
  .stat-divider { display: none; }
  .stat-divider { display: none; }

  /* 滚动条紧凑 */
  .hero-ticker { padding: 10px 0; margin-bottom: 20px; }
  .ticker-track span { font-size: 13px; }

  /* SVG 波浪缩小 */
  .hero-wave { height: 30px; }

  /* 底部 slogan 紧凑 */
  .hero-slogan { padding: 10px 0 5px; }
  .hero-slogan p { font-size: 14px; letter-spacing: 4px; }
  .slogan-line { width: 40px; }

  /* 光球缩小 */
  .hero-orb-1 { width: 140px; height: 140px; }
  .hero-orb-2 { width: 180px; height: 180px; }
  .hero-orb-3 { width: 100px; height: 100px; }
}

/* ===== 首页增强效果 ===== */
/* 浮动光球 */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(45px);
  pointer-events: none;
  z-index: 0;
}
.hero-orb-1 {
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(0,217,255,0.35), transparent 70%);
  top: 5%; left: 10%;
  animation: orbFloat1 8s ease-in-out infinite;
}
.hero-orb-2 {
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(0,102,170,0.25), transparent 70%);
  bottom: 5%; right: 8%;
  animation: orbFloat2 11s ease-in-out infinite;
}
.hero-orb-3 {
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(0,255,170,0.12), transparent 70%);
  top: 45%; left: 55%;
  animation: orbFloat3 7s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(35px, -25px) scale(1.12); }
  66% { transform: translate(-20px, 30px) scale(0.88); }
}
@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-45px, -35px) scale(1.18); }
}
@keyframes orbFloat3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, 28px) scale(0.82); }
}

/* 标题发光脉冲 */
@keyframes titleGlow {
  0%, 100% { filter: drop-shadow(0 0 20px rgba(0,217,255,0.4)); }
  50% { filter: drop-shadow(0 0 38px rgba(0,217,255,0.75)); }
}

/* 网格叠加层 */
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,217,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,217,255,0.04) 1px, transparent 1px);
  background-size: 30px 30px;
  z-index: 0;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* SVG 波浪 */
.hero-wave {
  display: block;
  width: 100%;
  height: 50px;
  margin-top: -1px;
}

/* 服务滚动条 */
.hero-ticker {
  overflow: hidden;
  padding: 12px 0;
  margin-bottom: 25px;
  border-top: 1px solid rgba(0,217,255,0.1);
  border-bottom: 1px solid rgba(0,217,255,0.1);
  background: rgba(0,217,255,0.02);
  position: relative;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}
.hero-ticker::before,
.hero-ticker::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}
.hero-ticker::before { left: 0; background: linear-gradient(90deg, rgba(10,14,26,1), transparent); }
.hero-ticker::after { right: 0; background: linear-gradient(270deg, rgba(10,14,26,1), transparent); }

.ticker-track {
  display: flex;
  align-items: center;
  gap: 28px;
  white-space: nowrap;
  animation: tickerScroll 28s linear infinite;
  width: max-content;
  max-width: 100%;
}
.ticker-track span {
  font-size: 15px;
  color: #7a9ab8;
  letter-spacing: 2px;
  font-weight: 500;
}
.ticker-dot {
  color: #00d9ff !important;
  font-size: 10px !important;
  opacity: 0.6;
}
@keyframes tickerScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* 3D 卡片 */
.hero-nav-card {
  transform-style: preserve-3d;
  will-change: transform;
}

/* 增强效果响应式 */
@media (max-width: 768px) {
  .hero-orb { display: none; }
  .hero-wave { height: 30px; }
  .ticker-track span { font-size: 13px; }
  .hero-grid-overlay { background-size: 20px 20px; }
}