:root {
	--homeworkCast_primary-gradient: linear-gradient(135deg, #4AA9FE 0%, #76DCFE 100%);
	--homeworkCast_bg-color: #F5F5F7;
	--homeworkCast_card-bg: #ffffff;
	--homeworkCast_text-primary: #333333;
	--homeworkCast_text-secondary: #666666;
	--homeworkCast_border-color: #e0e0e0;
	--homeworkCast_shadow: 0 8px 24px rgba(74, 169, 254, 0.15);
	--homeworkCast_shadow-hover: 0 12px 32px rgba(74, 169, 254, 0.25);
}

#page_homeworkCast {
	margin: 0;
	padding: 0 0 88px 0;
	box-sizing: border-box;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	background: var(--homeworkCast_bg-color);
	min-height: 100vh;
}

.homeworkCast_container {
	margin: 10px auto 0 auto;
	padding:20px;
	animation: homeworkCast_fadeInUp 0.6s ease-out;
}

.homeworkCast_header {
	text-align: center;
	margin-bottom: 40px;
	animation: homeworkCast_fadeInDown 0.6s ease-out;
}

.homeworkCast_title {
	font-size: 2.5rem;
	font-weight: 700;
	background: var(--homeworkCast_primary-gradient);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	margin-bottom: 10px;
	display: inline-block;
}

.homeworkCast_subtitle {
	color: var(--homeworkCast_text-secondary);
	font-size: 1rem;
}

.homeworkCast_form-card {
	background: var(--homeworkCast_card-bg);
	border-radius: 20px;
	padding: 40px;
	box-shadow: var(--homeworkCast_shadow);
	transition: all 0.3s ease;
}

.homeworkCast_form-card:hover {
	box-shadow: var(--homeworkCast_shadow-hover);
	transform: translateY(-2px);
}

.homeworkCast_form-group {
	margin-bottom: 30px;
	animation: homeworkCast_slideInLeft 0.5s ease-out;
	animation-fill-mode: both;
}

.homeworkCast_form-group:nth-child(1) {
	animation-delay: 0.1s;
}

.homeworkCast_form-group:nth-child(2) {
	animation-delay: 0.2s;
}

.homeworkCast_form-group:nth-child(3) {
	animation-delay: 0.3s;
}

.homeworkCast_label {
	display: flex;
	align-items: center;
	font-size: 1rem;
	font-weight: 600;
	color: var(--homeworkCast_text-primary);
	margin-bottom: 12px;
}

.homeworkCast_label i {
	margin-right: 10px;
	font-size: 1.2rem;
	background: var(--homeworkCast_primary-gradient);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

.homeworkCast_input {
	width: 100%;
	padding: 15px 20px;
	font-size: 1rem;
	border: 2px solid var(--homeworkCast_border-color);
	border-radius: 12px;
	transition: all 0.3s ease;
	outline: none;
	font-family: inherit;
}

.homeworkCast_input:focus {
	border-color: #4AA9FE;
	box-shadow: 0 0 0 4px rgba(74, 169, 254, 0.1);
}

.homeworkCast_input:hover {
	border-color: #76DCFE;
}

.homeworkCast_editable {
	width: 100%;
	min-height: 150px;
	padding: 15px 20px;
	font-size: 1rem;
	border: 2px solid var(--homeworkCast_border-color);
	border-radius: 12px;
	transition: all 0.3s ease;
	outline: none;
	font-family: inherit;
	line-height: 1.6;
	color: var(--homeworkCast_text-primary);
}

.homeworkCast_editable:focus {
	border-color: #4AA9FE;
	box-shadow: 0 0 0 4px rgba(74, 169, 254, 0.1);
}

.homeworkCast_editable:hover {
	border-color: #76DCFE;
}

.homeworkCast_editable:empty:before {
	content: attr(data-placeholder);
	color: #999;
}

.homeworkCast_button-wrapper {
	text-align: center;
	margin-top: 40px;
	animation: homeworkCast_fadeInUp 0.6s ease-out 0.4s;
	animation-fill-mode: both;
}

.homeworkCast_submit-btn {
	background: var(--homeworkCast_primary-gradient);
	color: white;
	border: none;
	padding: 16px 60px;
	font-size: 1.1rem;
	font-weight: 600;
	border-radius: 50px;
	cursor: pointer;
	transition: all 0.3s ease;
	box-shadow: 0 4px 15px rgba(74, 169, 254, 0.3);
	display: inline-flex;
	align-items: center;
	gap: 10px;
}

.homeworkCast_submit-btn:hover {
	transform: translateY(-2px) scale(1.02);
	box-shadow: 0 6px 20px rgba(74, 169, 254, 0.4);
}

.homeworkCast_submit-btn:active {
	transform: translateY(0) scale(0.98);
}

.homeworkCast_submit-btn i {
	transition: transform 0.3s ease;
}

.homeworkCast_submit-btn:hover i {
	transform: translateX(5px);
}

/* 动画 */
@keyframes homeworkCast_fadeInUp {
	from {
		opacity: 0;
		transform: translateY(30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes homeworkCast_fadeInDown {
	from {
		opacity: 0;
		transform: translateY(-30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes homeworkCast_slideInLeft {
	from {
		opacity: 0;
		transform: translateX(-30px);
	}
	to {
		opacity: 1;
		transform: translateX(0);
	}
}

/* 响应式设计 */
@media (max-width: 768px) {
	.homeworkCast_button-wrapper button{
		display:block;
	}
	.homeworkCast_title {
		font-size: 2rem;
	}

	.homeworkCast_form-card {
		padding: 25px;
		border-radius: 15px;
	}

	.homeworkCast_form-group {
		margin-bottom: 25px;
	}

	 .homeworkCast_submit-btn,
      .homeworkCast_clear-btn {
          width: 100%;
          padding: 14px 40px;
          margin-right: 0;
          margin-bottom: 10px;
      }
}

@media (max-width: 480px) {
	.homeworkCast_title {
		font-size: 1.75rem;
	}

	.homeworkCast_form-card {
		padding: 20px;
	}

	.homeworkCast_input,
	.homeworkCast_editable {
		padding: 12px 15px;
		font-size: 0.95rem;
	}

	.homeworkCast_editable {
		min-height: 120px;
	}
}

/* Toast样式 */
.homeworkCast_toast {
	position: fixed;
	top: 20px;
	left: 50%;
	transform: translateX(-50%) translateY(-100px);
	background: rgba(0, 0, 0, 0.85);
	color: white;
	padding: 15px 30px;
	border-radius: 50px;
	font-size: 0.95rem;
	z-index: 9999;
	opacity: 0;
	transition: all 0.3s ease;
	box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.homeworkCast_toast.homeworkCast_show {
	opacity: 1;
	transform: translateX(-50%) translateY(0);
}
.homeworkCast_class-selector {
      min-height: 50px;
      cursor: pointer;
      user-select: none;
  }

  .homeworkCast_class-selector:hover {
      background-color: #f9f9f9;
  }
  
   .homeworkCast_clear-btn {
      background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
      color: white;
      border: none;
      padding: 16px 60px;
      font-size: 1.1rem;
      font-weight: 600;
      border-radius: 50px;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 4px 15px rgba(127, 140, 141, 0.3);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-right: 15px;  /* 与发布按钮保持间距 */
  }

  .homeworkCast_clear-btn:hover {
      transform: translateY(-2px) scale(1.02);
      box-shadow: 0 6px 20px rgba(127, 140, 141, 0.4);
      background: linear-gradient(135deg, #7f8c8d 0%, #95a5a6 100%);
  }

  .homeworkCast_clear-btn:active {
      transform: translateY(0) scale(0.98);
  }

  .homeworkCast_clear-btn i {
      transition: transform 0.3s ease;
  }

  .homeworkCast_clear-btn:hover i {
      transform: rotate(360deg);  /* 悬停时橡皮擦图标旋转360度 */
  }
  
  
 .homeworkCast_upload-area {
      width: 100%;
      min-height: 180px;
      padding: 30px;
      border: 2px dashed var(--homeworkCast_border-color);
      border-radius: 12px;
      transition: all 0.3s ease;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 10px;
      background: #fafafa;
  }

  .homeworkCast_upload-area:hover {
      border-color: #4AA9FE;
      background: rgba(74, 169, 254, 0.05);
      transform: translateY(-2px);
  }

  .homeworkCast_upload-area i {
      font-size: 3rem;
      background: var(--homeworkCast_primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
  }

  .homeworkCast_upload-area p {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--homeworkCast_text-primary);
      margin: 0;
  }

  .homeworkCast_upload-area span {
      font-size: 0.9rem;
      color: var(--homeworkCast_text-secondary);
  }

  .homeworkCast_preview-area {
      margin-top: 20px;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  }

  .homeworkCast_preview-area img {
      width: 100%;
      height: auto;
      display: block;
  }
  .homeworkCast_form-group:nth-child(4) {
      animation-delay: 0.4s;
  }