css
/* =========================================
   全局美化：云端漫步 (Pale Blue & White)
   ========================================= */

/* --- 1. 顶部栏美化 --- */
/* 主容器：淡蓝渐变背景 + 底部柔光边界 */
.sticky.w-full.top-0.flex.items-center {
    background: linear-gradient(to right, #f0f9ff, #ffffff, #f0f9ff) !important;
    border-bottom: 1px solid #e0f2fe !important;
    backdrop-filter: blur(10px) !important;
    box-shadow: 0 4px 20px -10px rgba(186, 230, 253, 0.5) !important;
}

/* 模型选择器：胶囊形状，悬浮微光 */
#ai-model-selector .group.flex.items-center {
    background-color: rgba(255, 255, 255, 0.8) !important;
    border: 1px solid #bae6fd !important;
    border-radius: 999px !important;
    padding: 4px 12px !important;
    transition: all 0.3s ease !important;
}
#ai-model-selector .group.flex.items-center:hover {
    background-color: #e0f2fe !important;
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.2) !important;
}

/* 模型名称文字：深海蓝，保证清晰 */
#ai-model-selector .truncate.text-\[13px\] {
    color: #0369a1 !important;
    font-weight: 600 !important;
    font-family: system-ui, -apple-system, sans-serif !important;
}

/* 下拉箭头：浅蓝 */
#ai-model-selector .shrink-0.flex.items-center svg {
    color: #38bdf8 !important;
}

/* 顶部右侧设置按钮：圆形悬浮 */
#header-setting-button {
    background-color: transparent !important;
    color: #64748b !important;
    border-radius: 50% !important;
    transition: transform 0.3s !important;
}
#header-setting-button:hover {
    background-color: #f1f5f9 !important;
    color: #0ea5e9 !important;
    transform: rotate(90deg) !important;
}

/* --- 2. 开场白选择器美化 --- */
/* 容器：纯白卡片感 */
div.flex.items-center.h-9.bg-white.rounded-md.cursor-pointer.group[class*="border-gray"] {
    background-color: #ffffff !important;
    border: 1px solid #bfdbfe !important;
    box-shadow: 0 2px 6px rgba(191, 219, 254, 0.3) !important;
    border-radius: 12px !important;
}
/* 图标颜色统一 */
div.flex.items-center.h-9.cursor-pointer.group svg[data-icon="SlidersH"],
div.flex.items-center.h-9.cursor-pointer.group svg[data-icon="ChevronDown"] {
    color: #60a5fa !important;
}

/* --- 3. 按钮栏美化 --- */
/* 按钮通用样式：极简白蓝风格 */
#ai-mod-button2 button.MuiButton-root {
    background: linear-gradient(145deg, #ffffff, #f8fafc) !important;
    border: 1px solid #e2e8f0 !important;
    color: #475569 !important;
    border-radius: 12px !important;
    box-shadow: 0 2px 4px rgba(148, 163, 184, 0.1) !important;
    transition: all 0.2s ease-in-out !important;
    margin: 4px !important;
}

/* 按钮悬浮态：上浮 + 变蓝 */
#ai-mod-button2 button.MuiButton-root:hover {
    background: #eff6ff !important;
    border-color: #93c5fd !important;
    color: #2563eb !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2) !important;
}

/* 按钮图标 */
#ai-mod-button2 button.MuiButton-root svg {
    color: inherit !important;
}

/* --- 4. 底部栏与输入框 --- */
/* 输入框容器：透明，让背景透出来 */
#ai-chat-bottom-input {
    padding: 10px !important;
}

/* 主输入框：大圆角，聚焦发光 */
#ai-chat-input {
    background-color: rgba(255, 255, 255, 0.95) !important;
    border: 2px solid #e2e8f0 !important;
    border-radius: 20px !important;
    color: #334155 !important; /* 深灰字，确保可读 */
    padding-left: 15px !important;
    transition: all 0.3s !important;
}

/* 输入框聚焦 */
#ai-chat-input:focus {
    border-color: #7dd3fc !important;
    box-shadow: 0 0 0 4px rgba(125, 211, 252, 0.2) !important;
    background-color: #ffffff !important;
}

/* 占位符颜色 */
#ai-chat-input::placeholder {
    color: #94a3b8 !important;
}

/* 选中文字颜色：天蓝背景白字 */
#ai-chat-input::selection {
    background-color: #bae6fd !important;
    color: #0c4a6e !important;
}

/* --- 5. 评论区美化 --- */
/* 评论区主背景：极淡的云层蓝 */
div[class*="w-full"][class*="bg-white"][class*="bottom-0"] {
    background: linear-gradient(180deg, #f8fafc 0%, #f0f9ff 100%) !important;
    border-top: 1px solid #e2e8f0 !important;
}

/* 顶部标题 "评论(x)" */
div.text-lg.font-bold {
    color: #1e293b !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.05) !important;
}

/* 评分区域 */
span.MuiRating-iconFilled svg {
    color: #fbbf24 !important; /* 金黄色星星 */
    filter: drop-shadow(0 0 2px rgba(251, 191, 36, 0.4)) !important;
}
span.MuiRating-iconEmpty svg {
    color: #cbd5e1 !important;
}
span.text-orange-500 {
    color: #f59e0b !important;
    font-weight: bold !important;
}

/* 评论输入框 */
textarea.rc-textarea {
    background-color: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    border-radius: 8px !important;
    color: #334155 !important;
}
textarea.rc-textarea:focus {
    border-color: #38bdf8 !important;
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.1) !important;
}

/* 发送按钮：纯蓝背景 */
div.cursor-pointer.group.flex.items-center.justify-center {
    background-color: #e0f2fe !important;
    border-radius: 8px !important;
    transition: background 0.3s !important;
}
div.cursor-pointer.group.flex.items-center.justify-center:hover {
    background-color: #bae6fd !important;
}
div[data-state="closed"] svg[data-icon="Send03"] {
    color: #0284c7 !important;
}

/* 排序按钮 */
button.MuiButton-containedPrimary {
    background-color: #38bdf8 !important; /* 亮蓝 */
    box-shadow: none !important;
}
button.MuiButton-outlinedPrimary {
    color: #64748b !important;
    border-color: #cbd5e1 !important;
}

/* 评论列表项：增加卡片感，与背景区分 */
div.group.ml-0 {
    background-color: rgba(255, 255, 255, 0.6) !important;
    border-radius: 12px !important;
    padding: 12px !important;
    margin-bottom: 8px !important;
    border: 1px solid transparent !important;
    transition: background 0.2s !important;
}
div.group.ml-0:hover {
    background-color: #ffffff !important;
    border-color: #e0f2fe !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02) !important;
}

/* 用户名 */
div.text-sm.text-grey-600 span.font-bold {
    color: #0f172a !important; /* 近乎黑色的蓝，保证阅读 */
}

/* "(你)" 标签 */
span.text-\[10px\] {
    background-color: #e0f2fe !important;
    color: #0369a1 !important;
    padding: 1px 6px !important;
    border-radius: 4px !important;
}

/* 评论内容 */
div.break-all {
    color: #475569 !important; /* 舒适的阅读灰 */
    line-height: 1.6 !important;
}

/* 时间戳 */
div.text-xs.text-grey-600 {
    color: #94a3b8 !important;
}

/* 点赞按钮 */
button.text-gray-400 svg {
    color: #cbd5e1 !important;
    transition: color 0.2s !important;
}
button.text-gray-400:hover svg {
    color: #f472b6 !important; /* 悬浮变粉 */
}

/* 回复按钮 */
span.cursor-pointer {
    color: #38bdf8 !important;
    font-weight: 500 !important;
}
span.cursor-pointer:hover {
    text-decoration: underline !important;
}

/* --- 6. 分页栏美化 --- */
/* 选中页码：实心蓝 */
.MuiPaginationItem-root.Mui-selected {
    background-color: #38bdf8 !important;
    color: #ffffff !important;
    font-weight: bold !important;
}
/* 普通页码 */
.MuiPaginationItem-root {
    color: #64748b !important;
    border-radius: 8px !important;
}
.MuiPaginationItem-root:hover {
    background-color: #e0f2fe !important;
    color: #0284c7 !important;
}
/* 跳转输入框 */
.MuiInputBase-input {
    border: 1px solid #cbd5e1 !important;
    border-radius: 4px !important;
    text-align: center !important;
    color: #334155 !important;
}