html, body {
  width: 100%;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: 'Rubik Mono One', sans-serif;
  background: #22292C;
  padding-top: 60px;
  position: relative;
  margin: 0;
  display: flex;
  flex-direction: column;
}

svg {
  width: 100%;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 0;
}

.input {
  position: absolute;
  z-index: 1;
  bottom: 0px;
  font-size: 20px;
  text-align: center;
  left: 50%;
  transform: translateX(-50%);
  font-family: helvetica, sans-serif;
  bottom: 20px;
  background: none;
  border: 1px solid #ddd;
  color: #eee;
}

.text, .offscreen-text {
  width: 100%;
  position: absolute;
  top: 39%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  min-height: 100px;
}

.offscreen-text {
  text-align: center;
  top: -9999px;
}

.text span {
  position: absolute;
}

.footer {
    width: 100%;
    padding: 10px 0;
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(3px);
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-content span {
    margin-right: 15px;
}

.footer-content a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-content a:hover {
    color: rgba(255, 255, 255, 0.7);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.nav-menu {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(3px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  height: 60px;
  box-sizing: border-box;
}

.logo {
  z-index: 1001;
  height: 32px;
  display: flex;
  align-items: center;
  margin-right: 20px;
}

.logo img {
  height: 40px;
  width: auto;
  display: block;
  transition: opacity 0.2s ease;
}

.logo a:hover img {
    opacity: 0.8;
}

.nav-items {
  display: flex;
  gap: 2rem;
  margin-right: 2rem;
  z-index: 999;
}

.dropdown {
  position: relative;
  padding: 0.5rem 0;
}

.dropdown-trigger {
  cursor: pointer;
  padding: 0.5rem;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
  white-space: nowrap;
}

.dropdown-trigger:hover {
  color: rgba(255, 255, 255, 0.9);
}

.dropdown-content {
  position: absolute;
  top: calc(100% + 5px);
  right: 0;
  min-width: 160px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(3px);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1001;
}

.nav-items .dropdown:last-child .dropdown-content {
  right: 0;
  left: auto;
}

.dropdown:hover .dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-content a {
  display: block;
  padding: 0.75rem 1rem;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.3s ease;
}

.dropdown-content a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
  html, body {
    width: 100%;
    overflow-x: hidden;
    position: relative;
  }

  .nav-items {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(3px);
    margin: 0;
    padding: 0;
    flex-direction: column;
    gap: 0;
    display: none;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
    overflow-x: hidden;
    box-sizing: border-box;
    z-index: 1000;
  }
  
  .nav-items.active {
    display: flex;
  }
  
  .dropdown {
    width: 100%;
    box-sizing: border-box;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .dropdown-trigger {
    display: block;
    width: 100%;
    padding: 1rem 2rem;
    box-sizing: border-box;
    position: relative;
  }
  
  .dropdown-trigger::after {
    content: '▼';
    font-size: 12px;
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
  }
  
  .dropdown-content {
    position: static;
    width: 100%;
    box-sizing: border-box;
    background-color: rgba(0, 0, 0, 0.2);
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
  }
  
  .dropdown.active .dropdown-content {
    display: block;
  }
  
  .dropdown-content a {
    padding: 0.8rem 3rem;
    display: block;
    width: 100%;
    box-sizing: border-box;
  }
  
  .dropdown.active .dropdown-trigger::after {
    transform: translateY(-50%) rotate(180deg);
  }
  
  .hamburger.active span {
    background-color: rgba(255, 255, 255, 0.9);
  }
}

.hamburger {
  display: none;
  border: none;
  background: none;
  cursor: pointer;
  padding: 10px;
  margin: -10px;
  transition: transform 0.3s ease;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: rgba(255, 255, 255, 0.7);
  margin: 5px 0;
  transition: all 0.3s ease;
  transform-origin: center;
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav-items {
    display: none;
  }

  .hamburger.active {
    transform: rotate(180deg);
  }
  
  .hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

.main-content {
  flex: 1;
  position: relative;
  width: 100%;
  padding-bottom: 2rem;
}