/* FSS风格导航栏和页脚样式 */

/* ============ 人物剪影图片样式 ============ */
.peopleinside {
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: 10;
  margin: 0;
  width: 100vw;
  height: auto;
  max-height: 30vh;
  object-fit: contain;
  pointer-events: none;
}

/* ============ 导航栏样式 ============ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--nav-bg-desktop);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 100;
  padding: 1rem 0;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  padding: 0.5rem 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #fff;
  text-decoration: none;
  background: linear-gradient(45deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-size: 1rem;
  position: relative;
  padding: 0.5rem 1rem;
  transition: all 0.3s ease;
  -webkit-tap-highlight-color: transparent;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-start);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

.nav-links a:hover {
  color: var(--gradient-end);
}

.nav-links a.active {
  color: var(--gradient-start);
}

/* 移动端菜单按钮 */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: transparent;
  border: none;
  outline: none;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: #fff;
  transition: all 0.3s ease;
  border-radius: 2px;
}

/* ============ 页脚样式 ============ */
.footer {
  text-align: center;
  padding: 1rem 2rem;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 21;
  font-size: 0.85rem;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.3rem 0.8rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  vertical-align: middle;
}

.footer a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color 0.3s ease;
  -webkit-tap-highlight-color: transparent;
}

.footer a:hover {
  color: var(--gradient-end);
  text-decoration: underline;
}

.footer-separator {
  color: rgba(255, 255, 255, 0.5);
  margin: 0 0.3rem;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.85);
}

/* 触摸设备优化 */
@media (hover: none) {
  .menu-toggle:active {
    transform: scale(0.9);
  }
}

/* ============ 响应式适配 ============ */

/* 平板设备 (768px - 1024px) */
@media (max-width: 1024px) {
  .nav-container {
    padding: 0 1.5rem;
  }

  .logo {
    font-size: 1.3rem;
  }

  .nav-links {
    gap: 1.5rem;
  }

  .nav-links a {
    font-size: 0.95rem;
    padding: 0.4rem 0.8rem;
  }

  .footer {
    font-size: 0.8rem;
    padding: 0.8rem 1.5rem;
  }

  .footer-content {
    gap: 0.25rem 0.6rem;
  }

  .footer-icon {
    width: 14px;
    height: 14px;
  }
}

/* 手机竖屏 (426px - 768px) */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--nav-bg-mobile);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    gap: 1rem;
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  }

  .nav-links.active {
    transform: translateY(0);
  }

  .nav-links a {
    font-size: 1.2rem;
    padding: 0.8rem 1.5rem;
    width: 100%;
    text-align: center;
  }

  .nav-links a::after {
    width: 0;
    height: 2px;
    bottom: 5px;
  }

  .nav-links a:hover::after,
  .nav-links a.active::after {
    width: 50%;
  }

  .logo {
    font-size: 1.2rem;
  }

  .nav-container {
    padding: 0 1rem;
  }

  .footer {
    font-size: 0.7rem;
    padding: 0.6rem 1rem;
  }

  .footer-content {
    gap: 0.2rem 0.5rem;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    line-height: 1.6;
  }

  .footer-separator {
    display: inline;
  }

  .footer-icon {
    width: 14px;
    height: 14px;
  }
}

/* 小屏手机 (376px - 425px) */
@media (max-width: 425px) {
  .logo {
    font-size: 1.1rem;
  }

  .nav-links {
    top: 55px;
    padding: 1.5rem 1rem;
    gap: 0.8rem;
  }

  .nav-links a {
    font-size: 1.1rem;
    padding: 0.7rem 1rem;
  }

  .footer {
    font-size: 0.65rem;
    padding: 0.5rem 0.8rem;
  }

  .footer-content {
    gap: 0.15rem 0.4rem;
  }

  .footer-icon {
    width: 12px;
    height: 12px;
  }
}

/* 超小屏手机 (321px - 375px) */
@media (max-width: 375px) {
  .logo {
    font-size: 1rem;
  }

  .nav-links {
    top: 50px;
    padding: 1.2rem 0.8rem;
  }

  .nav-links a {
    font-size: 1rem;
    padding: 0.6rem 0.8rem;
  }

  .footer {
    font-size: 0.6rem;
    padding: 0.4rem 0.6rem;
  }

  .footer-content {
    gap: 0.1rem 0.3rem;
  }

  .footer-icon {
    width: 11px;
    height: 11px;
  }
}

/* 极小屏设备 (≤320px) */
@media (max-width: 320px) {
  .logo {
    font-size: 0.9rem;
  }

  .nav-links {
    top: 45px;
    padding: 1rem 0.6rem;
  }

  .nav-links a {
    font-size: 0.95rem;
    padding: 0.5rem 0.7rem;
  }

  .footer {
    font-size: 0.55rem;
    padding: 0.3rem 0.5rem;
  }

  .footer-content {
    gap: 0.1rem 0.2rem;
  }

  .footer-icon {
    width: 10px;
    height: 10px;
  }
}

/* 横屏模式 */
@media (max-height: 500px) and (orientation: landscape) {
  .navbar {
    padding: 0.5rem 0;
  }

  .logo {
    font-size: 1.1rem;
  }

  .nav-links {
    top: 40px;
    padding: 1rem;
    gap: 0.6rem;
  }

  .nav-links a {
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
  }

  .footer {
    padding: 0.4rem 1rem;
    font-size: 0.7rem;
  }
}

/* 超大屏幕优化 */
@media (min-width: 1920px) {
  .nav-container {
    max-width: 1400px;
    padding: 0 3rem;
  }

  .logo {
    font-size: 1.7rem;
  }

  .nav-links {
    gap: 2.5rem;
  }

  .nav-links a {
    font-size: 1.1rem;
    padding: 0.6rem 1.2rem;
  }

  .footer {
    font-size: 0.95rem;
    padding: 1.2rem 3rem;
  }

  .footer-icon {
    width: 18px;
    height: 18px;
  }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  .navbar {
    background: rgba(0, 0, 0, 0.98);
  }

  .footer {
    background: rgba(0, 0, 0, 0.95);
  }

  .footer a,
  .footer-copyright {
    font-weight: 600;
  }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  .navbar,
  .nav-links,
  .nav-links a,
  .menu-toggle span {
    transition: none;
  }

  .nav-links {
    transform: none;
  }

  .nav-links.active {
    transform: none;
  }
}