/* 微信聊天界面样式 - 精致优化版本 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimSun, sans-serif;
    background-color: #f5f5f5;
    height: 100vh;
    overflow: hidden;
}

.chat-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 100%;
    margin: 0 auto;
    background-color: #f5f5f5;
    position: relative;
}

/* 电脑端适配 */
@media (min-width: 768px) {
    .chat-container {
        max-width: 400px;
        border: 1px solid #e5e5e5;
        border-radius: 16px;
        overflow: hidden;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
        margin-top: 20px;
        height: calc(100vh - 40px);
    }
}

/* 顶部标题栏 - 微信官方配色 */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    background: linear-gradient(180deg, #f8f8f8 0%, #f5f5f5 100%);
    color: #000000;
    padding: 0 16px;
    position: relative;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(20px);
}

.chat-header-left,
.chat-header-right {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 12px;
    transition: all 0.2s ease;
}

.chat-header-left:hover,
.chat-header-right:hover {
    background-color: rgba(0, 0, 0, 0.05);
    transform: scale(1.05);
}

.chat-header-left:active,
.chat-header-right:active {
    transform: scale(0.95);
}

.chat-header-title {
    flex: 1;
    text-align: center;
    font-size: 17px;
    font-weight: 600;
    color: #1a1a1a;
    letter-spacing: 0.5px;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* 标题栏输入状态样式 */
.chat-header-title.typing {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    color: #666;
    font-weight: 500;
}

.chat-header-title .typing-dots {
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.chat-header-title .typing-dots span {
    display: inline-block;
    width: 4px;
    height: 4px;
    background: #666;
    border-radius: 50%;
    opacity: 0.3;
    animation: header-typing-dot 1.4s infinite;
}

.chat-header-title .typing-dots span:nth-child(1) { animation-delay: 0ms; }
.chat-header-title .typing-dots span:nth-child(2) { animation-delay: 200ms; }
.chat-header-title .typing-dots span:nth-child(3) { animation-delay: 400ms; }

@keyframes header-typing-dot {
    0%, 60%, 100% { 
        opacity: 0.3; 
        transform: translateY(0); 
    }
    30% { 
        opacity: 1; 
        transform: translateY(-2px); 
    }
}
/* 微信聊天界面样式 - 精致优化版本 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimSun, sans-serif;
    background-color: #f5f5f5;
    height: 100vh;
    overflow: hidden;
}

.chat-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 100%;
    margin: 0 auto;
    background-color: #f5f5f5;
    position: relative;
}

/* 电脑端适配 */
@media (min-width: 768px) {
    .chat-container {
        max-width: 400px;
        border: 1px solid #e5e5e5;
        border-radius: 16px;
        overflow: hidden;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
        margin-top: 20px;
        height: calc(100vh - 40px);
    }
}

/* 顶部标题栏 - 微信官方配色 */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    background: linear-gradient(180deg, #f8f8f8 0%, #f5f5f5 100%);
    color: #000000;
    padding: 0 16px;
    position: relative;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(20px);
}

.chat-header-left,
.chat-header-right {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 12px;
    transition: all 0.2s ease;
}

.chat-header-left:hover,
.chat-header-right:hover {
    background-color: rgba(0, 0, 0, 0.05);
    transform: scale(1.05);
}

.chat-header-left:active,
.chat-header-right:active {
    transform: scale(0.95);
}


/* 顶部图标 - 使用微信小程序官方图标 */
.weui-icon-back {
    display: inline-block;
    width: 24px;
    height: 24px;
    mask-image: url("data:image/svg+xml,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M15.41 7.41L14 6l-6 6 6 6 1.41-1.41L10.83 12z' fill='%23000'/%3E%3C/svg%3E");
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: cover;
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M15.41 7.41L14 6l-6 6 6 6 1.41-1.41L10.83 12z' fill='%23000'/%3E%3C/svg%3E");
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: cover;
    background-color: #1a1a1a;
}

.weui-icon-more {
    display: inline-block;
    width: 24px;
    height: 24px;
    mask-image: url("data:image/svg+xml,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 8c1.1 0 2-.9 2-2s-.9-2-2-2-2 .9-2 2 .9 2 2 2zm0 2c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2zm0 6c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2z' fill='%23000'/%3E%3C/svg%3E");
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: cover;
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 8c1.1 0 2-.9 2-2s-.9-2-2-2-2 .9-2 2 .9 2 2 2zm0 2c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2zm0 6c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2z' fill='%23000'/%3E%3C/svg%3E");
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: cover;
    background-color: #1a1a1a;
}

/* 对方输入指示器 - 顶部，微信风格（淡入淡出 + 三点动画） */
/* 使用绝对定位以避免未显示时占位遮挡消息区，显示时通过相邻选择器调整消息区内边距 */
.typing-indicator {
    position: absolute;
    top: 64px; /* 默认 header 高度 */
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 34px;
    padding: 6px 12px;
    transition: opacity 220ms ease, transform 220ms ease;
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    z-index: 30;
}

/* 显示态：同时为下方消息区增加顶部内边距以避免覆盖 */
.typing-indicator.show {
    opacity: 1;
    transform: translateY(0);
}

/* 当指示器显示时，给紧随其后的 .chat-messages 增加顶部内边距，避免遮挡消息 */
.typing-indicator.show + .chat-messages {
    padding-top: calc(20px + 34px); /* 原始 padding-top 20px + 指示器高度 */
}

/* 气泡样式，贴合微信顶部提示视觉 */
.typing-bubble {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,0,0,0.06);
    color: #1a1a1a !important;
    padding: 6px 10px;
    border-radius: 14px;
    font-size: 13px;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

/* 桌面 header 高度不同，同步调整指示器 top */
@media (min-width: 768px) {
    .typing-indicator { top: 60px; }
    .typing-indicator.show + .chat-messages { padding-top: calc(20px + 34px); }
}

/* 三点动画 */
.typing-dots {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 6px;
}
.typing-dots span {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: #666;
    border-radius: 50%;
    opacity: 0.25;
    transform: translateY(0);
    animation: typing-dot 1200ms infinite;
}
.typing-dots span:nth-child(1) { animation-delay: 0ms; }
.typing-dots span:nth-child(2) { animation-delay: 160ms; }
.typing-dots span:nth-child(3) { animation-delay: 320ms; }

@keyframes typing-dot {
    0% { opacity: 0.25; transform: translateY(0); }
    30% { opacity: 0.9; transform: translateY(-4px); }
    60% { opacity: 0.5; transform: translateY(0); }
    100% { opacity: 0.25; transform: translateY(0); }
}

/* 暗色模式兼容：保持微信风格（浅文字白色） */
@media (prefers-color-scheme: dark) {
    .typing-bubble {
        background: rgba(255,255,255,0.06);
        color: #ffffff !important;
        box-shadow: 0 2px 8px rgba(0,0,0,0.6);
    }
    .typing-dots span { background: #ddd; }
}

/* 消息区域 */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px 16px;
    background: linear-gradient(180deg, #f5f5f5 0%, #f2f2f2 100%);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(120, 200, 255, 0.02) 0%, transparent 50%);
}

/* 时间戳 */
.message-time {
    text-align: center;
    margin: 20px 0;
}

.message-time span {
    background: rgba(0, 0, 0, 0.04);
    color: #999999;
    font-size: 12px;
    padding: 6px 16px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    font-weight: 500;
}

/* 消息项 */
.message-item {
    display: flex;
    margin-bottom: 20px;
    align-items: flex-start;
    animation: fadeInUp 0.4s ease-out;
}

.message-item.sent {
    justify-content: flex-end;
}

.message-item.sent .message-avatar {
    order: 2;
    margin-left: 12px;
    margin-right: 0;
}

.message-item.sent .message-content {
    order: 1;
    margin-right: 0;
}

/* 头像 */
.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

.message-avatar:hover {
    transform: scale(1.02);
}

.message-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 消息内容 */
.message-content {
    max-width: 70%;
    margin: 0 8px;
}

/* 消息气泡 */
.message-bubble {
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 15px;
    line-height: 1.4;
    word-wrap: break-word;
    position: relative;
    max-width: 100%;
    transition: all 0.2s ease;
    font-weight: 400;
}

.message-bubble:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 接收消息气泡 */
.message-item.received .message-bubble {
    background-color: #ffffff;
    color: #1a1a1a;
    border-bottom-left-radius: 2px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.message-item.received .message-bubble::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 12px;
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-right: 8px solid #ffffff;
    filter: drop-shadow(-1px 0px 1px rgba(0, 0, 0, 0.05));
}

/* 发送消息气泡 */
.message-item.sent .message-bubble {
    background-color: #95ec69;
    color: #1a1a1a;
    border-bottom-right-radius: 2px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.message-item.sent .message-bubble::before {
    content: '';
    position: absolute;
    right: -6px;
    top: 12px;
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 8px solid #95ec69;
    filter: drop-shadow(1px 0px 1px rgba(0, 0, 0, 0.05));
}

/* 表情包样式 - 无气泡包裹 */
.emoji-bubble {
    /* 允许少量内边距以避免图片内容（尤其是带文字的表情包）被裁切或紧贴边缘 */
    padding: 6px !important;
    background-color: transparent !important;
    box-shadow: none !important;
    border: none !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.emoji-bubble::before {
    display: none !important;
}

.emoji-image {
    /* 使用 contain 保持图片完整可见（不裁切），并在不同屏幕上自适应 */
    max-width: min(100px, 60vw);
    max-height: min(200px, 45vh);
    width: auto;
    height: auto;
    border-radius: 8px;
    object-fit: contain;
    object-position: center;
    display: block;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* 小屏幕进一步限制尺寸，保证不会太大 */
@media (max-width: 420px) {
    .emoji-image {
        max-width: min(100px, 70vw);
        max-height: min(160px, 35vh);
    }
}

.emoji-image:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* 照片样式 - 直接显示，无气泡包裹 */
.photo-image {
    max-width: 200px;
    max-height: 200px;
    min-width: 100%;
    min-height: 120px;
    width: auto;
    height: auto;
    border-radius: 8px;
    object-fit: cover;
    display: block;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin: 0;
}

.photo-image:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.photo-image:active {
    transform: scale(0.98);
}

/* 音乐卡片样式 - 微信风格 */
.music-card {
    display: flex;
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
    border-radius: 12px;
    padding: 14px;
    max-width: 280px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
    backdrop-filter: blur(10px);
}

.music-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12), 0 4px 8px rgba(0, 0, 0, 0.06);
    border-color: rgba(0, 0, 0, 0.08);
}

.music-card:active {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1), 0 2px 6px rgba(0, 0, 0, 0.05);
}

/* 为接收的音乐卡片添加对话框样式 */
.message-item.received .music-card {
    position: relative;
    border-bottom-left-radius: 4px;
}

.message-item.received .music-card::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 12px;
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-right: 10px solid #ffffff;
    filter: drop-shadow(-1px 1px 2px rgba(0, 0, 0, 0.08));
    z-index: 1;
}

.music-cover {
    position: relative;
    width: 54px;
    height: 54px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    margin-right: 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.music-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.music-cover:hover img {
    transform: scale(1.05);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.9) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.play-button:hover {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 1) 100%);
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.play-icon {
    display: inline-block;
    width: 12px;
    height: 12px;
    background-color: #1a1a1a;
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: contain;
}

.play-icon.play {
    mask-image: url("data:image/svg+xml,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M8 5v14l11-7z' fill='%23fff'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M8 5v14l11-7z' fill='%23fff'/%3E%3C/svg%3E");
}

.play-icon.pause {
    mask-image: url("data:image/svg+xml,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 19h4V5H6v14zm8-14v14h4V5h-4z' fill='%23fff'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 19h4V5H6v14zm8-14v14h4V5h-4z' fill='%23fff'/%3E%3C/svg%3E");
}

.music-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-width: 0;
    padding-right: 14px;
    padding-bottom: 20px;
    gap: 2px;
}

.music-title {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.3;
    letter-spacing: 0.2px;
}

.music-artist {
    font-size: 13px;
    color: #666666;
    margin-bottom: 1px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.2;
    font-weight: 400;
}

.music-album {
    font-size: 12px;
    color: #999999;
    margin-bottom: 1px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.2;
}

.music-duration {
    font-size: 12px;
    color: #888888;
    line-height: 1.2;
    font-weight: 500;
    margin-bottom: 4px;
}

.music-source {
    position: absolute;
    bottom: 8px;
    left: 14px;
    font-size: 10px;
    color: #999999;
    line-height: 1.2;
    font-weight: 400;
    opacity: 0.7;
}

.qq-music-text {
    font-size: 10px;
    color: #999999;
    font-weight: 400;
}

/* 照片查看器遮罩层 */
.photo-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    cursor: pointer;
}

.photo-viewer img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.photo-viewer.show {
    display: flex;
}

/* 底部输入区域 */
.chat-input-container {
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    padding: 16px;
    backdrop-filter: blur(20px);
}

.chat-input-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-tools,
.input-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tool-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: linear-gradient(135deg, #f8f8f8 0%, #f0f0f0 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.tool-btn:hover {
    background: linear-gradient(135deg, #e8e8e8 0%, #e0e0e0 100%);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.tool-btn:active {
    transform: translateY(0) scale(0.95);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 底部工具栏图标 - 使用微信小程序官方图标 */
.weui-icon-voice {
    display: inline-block;
    width: 20px;
    height: 20px;
    mask: url("data:image/svg+xml;charset=utf8,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 14c1.66 0 2.99-1.34 2.99-3L15 5c0-1.66-1.34-3-3-3S9 3.34 9 5v6c0 1.66 1.34 3 3 3zm5.3-3c0 3-2.54 5.1-5.3 5.1S6.7 14 6.7 11H5c0 3.41 2.72 6.23 6 6.72V21h2v-3.28c3.28-.48 6-3.3 6-6.72h-1.7z'/%3E%3C/svg%3E") no-repeat 50% 50%;
    mask-size: cover;
    -webkit-mask: url("data:image/svg+xml;charset=utf8,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 14c1.66 0 2.99-1.34 2.99-3L15 5c0-1.66-1.34-3-3-3S9 3.34 9 5v6c0 1.66 1.34 3 3 3zm5.3-3c0 3-2.54 5.1-5.3 5.1S6.7 14 6.7 11H5c0 3.41 2.72 6.23 6 6.72V21h2v-3.28c3.28-.48 6-3.3 6-6.72h-1.7z'/%3E%3C/svg%3E") no-repeat 50% 50%;
    -webkit-mask-size: cover;
    background-color: #1a1a1a;
}

.weui-icon-emoji {
    display: inline-block;
    width: 20px;
    height: 20px;
    mask: url("data:image/svg+xml;charset=utf8,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11.99 2C6.47 2 2 6.48 2 12s4.47 10 9.99 10C17.52 22 22 17.52 22 12S17.52 2 11.99 2zM12 20c-4.42 0-8-3.58-8-8s3.58-8 8-8 8 3.58 8 8-3.58 8-8 8zm3.5-9c.83 0 1.5-.67 1.5-1.5S16.33 8 15.5 8 14 8.67 14 9.5s.67 1.5 1.5 1.5zm-7 0c.83 0 1.5-.67 1.5-1.5S9.33 8 8.5 8 7 8.67 7 9.5 7.67 11 8.5 11zm3.5 6.5c2.33 0 4.31-1.46 5.11-3.5H6.89c.8 2.04 2.78 3.5 5.11 3.5z'/%3E%3C/svg%3E") no-repeat 50% 50%;
    mask-size: cover;
    -webkit-mask: url("data:image/svg+xml;charset=utf8,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11.99 2C6.47 2 2 6.48 2 12s4.47 10 9.99 10C17.52 22 22 17.52 22 12S17.52 2 11.99 2zM12 20c-4.42 0-8-3.58-8-8s3.58-8 8-8 8 3.58 8 8-3.58 8-8 8zm3.5-9c.83 0 1.5-.67 1.5-1.5S16.33 8 15.5 8 14 8.67 14 9.5s.67 1.5 1.5 1.5zm-7 0c.83 0 1.5-.67 1.5-1.5S9.33 8 8.5 8 7 8.67 7 9.5 7.67 11 8.5 11zm3.5 6.5c2.33 0 4.31-1.46 5.11-3.5H6.89c.8 2.04 2.78 3.5 5.11 3.5z'/%3E%3C/svg%3E") no-repeat 50% 50%;
    -webkit-mask-size: cover;
    background-color: #1a1a1a;
}

.weui-icon-add {
    display: inline-block;
    width: 20px;
    height: 20px;
    mask: url("data:image/svg+xml;charset=utf8,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z'/%3E%3C/svg%3E") no-repeat 50% 50%;
    mask-size: cover;
    -webkit-mask: url("data:image/svg+xml;charset=utf8,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z'/%3E%3C/svg%3E") no-repeat 50% 50%;
    -webkit-mask-size: cover;
    background-color: #1a1a1a;
}

.input-area {
    flex: 1;
}

.chat-input {
    width: 100%;
    height: 40px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 6px;
    padding: 0 12px;
    font-size: 16px;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    outline: none;
    transition: all 0.3s ease;
    font-weight: 400;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.04);
}

.chat-input:focus {
    border-color: #07c160;
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
    box-shadow: 0 0 0 3px rgba(7, 193, 96, 0.1), inset 0 2px 4px rgba(0, 0, 0, 0.02);
    transform: translateY(-1px);
}

.chat-input::placeholder {
    color: #999999;
    font-weight: 400;
}

.send-btn {
    background: linear-gradient(135deg, #07c160 0%, #06ad56 100%);
    color: #ffffff;
    border: none;
    border-radius: 20px;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    min-width: 70px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(7, 193, 96, 0.3);
    letter-spacing: 0.5px;
    display: none;
}

.send-btn:hover {
    background: linear-gradient(135deg, #06ad56 0%, #059c4f 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(7, 193, 96, 0.4);
}

.send-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(7, 193, 96, 0.3);
}

.send-btn:disabled {
    background: linear-gradient(135deg, #cccccc 0%, #bbbbbb 100%);
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 滚动条样式 */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.15) 100%);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.2) 100%);
}

/* 电脑端特殊样式 */
@media (min-width: 768px) {
    .chat-header {
        height: 60px;
    }
    
    .chat-input-container {
        padding: 20px;
    }
    
    .chat-input-wrapper {
        gap: 20px;
    }
    
    .tool-btn {
        width: 36px;
        height: 36px;
    }
    
    .chat-input {
        height: 36px;
        font-size: 14px;
        padding: 0 16px;
    }
    
    .send-btn {
        padding: 8px 20px;
        font-size: 13px;
    }
}

/* 响应式适配 */
@media (max-width: 480px) {
    .message-content {
        max-width: 75%;
    }
    
    .message-bubble {
        font-size: 15px;
        padding: 10px 14px;
    }
    
    .chat-input {
        font-size: 16px; /* 防止iOS缩放 */
    }
}

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

/* 加载动画 */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* 输入提示动画 */
.chat-input:focus::placeholder {
    animation: pulse 2s infinite;
}

/* 发送按钮脉冲效果 */
.send-btn:not(:disabled):hover {
    animation: none;
}

/* 消息气泡打字效果 */
.message-bubble.typing {
    animation: pulse 1.5s infinite;
}

/* 头像加载效果 */
.message-avatar img {
    transition: opacity 0.3s ease;
}

.message-avatar img:not([src]) {
    opacity: 0;
}

/* 个人名片推荐卡片 - 仿微信样式 */
.contact-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
    border-radius: 12px;
    padding: 10px;
    max-width: 280px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.contact-card:focus,
.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    outline: none;
}

.contact-avatar {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

.contact-card-body {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
}

.contact-name {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a1a;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.contact-desc {
    font-size: 12px;
    color: #7a7a7a;
    margin-top: 4px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

/* 恢复“查看全部”颜色与右侧文字一致（灰色） */
.profile-list-item .list-right a {
    color: inherit;
    text-decoration: none;
}

.contact-action {
    margin-left: auto;
    display: flex;
    align-items: center;
}

/* 小型查看按钮，圆形图标风格 */
.view-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: linear-gradient(135deg, #07c160 0%, #06ad56 100%);
    color: #ffffff;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(7,193,96,0.2);
    transition: transform 0.12s ease, box-shadow 0.12s ease;
    font-size: 14px;
    padding: 0;
}

/* 调整内置图标在按钮内的显示 */
.view-btn .weui-icon-more {
    width: 16px;
    height: 16px;
    mask-size: contain;
    mask-position: center;
    mask-repeat: no-repeat;
    -webkit-mask-size: contain;
    -webkit-mask-position: center;
    -webkit-mask-repeat: no-repeat;
    background-color: #ffffff;
    opacity: 0.95;
}

.view-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 8px rgba(7,193,96,0.15);
}

/* 小屏幕调整 */
@media (max-width: 420px) {
    .contact-card {
        max-width: 72vw;
        padding: 8px;
    }

    .contact-avatar {
        width: 44px;
        height: 44px;
    }

    .add-contact {
        padding: 6px 10px;
        font-size: 12px;
    }
}

/* 深色模式支持 */
.chat-container { --chat-title-color: #1a1a1a; }

/* 确保标题颜色与“对方正在输入”提示联动并有更高优先级覆盖 */
.chat-header-title { color: var(--chat-title-color) !important; }
.typing-indicator .typing-bubble { color: var(--chat-title-color) !important; }

/* 暗色模式覆盖变量（保持两处联动） */
@media (prefers-color-scheme: dark) {
    .chat-container { --chat-title-color: #ffffff; }
}
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
    }
    
    .chat-container {
        background-color: #1a1a1a;
    }
    
    .chat-header {
        background: linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
        color: #ffffff;
        border-bottom-color: rgba(255, 255, 255, 0.1);
    }
    
    .chat-header-title {
        color: #ffffff;
    }
    
    .weui-icon-back,
    .weui-icon-more {
        background-color: #ffffff;
    }
    
    .chat-messages {
        background: linear-gradient(180deg, #1a1a1a 0%, #0f0f0f 100%);
    }
    
    .message-item.received .message-bubble {
        background: linear-gradient(135deg, #2a2a2a 0%, #1f1f1f 100%);
        color: #ffffff;
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .chat-input-container {
        background: linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
        border-top-color: rgba(255, 255, 255, 0.1);
    }
    
    .chat-input {
        background: linear-gradient(135deg, #2a2a2a 0%, #1f1f1f 100%);
        color: #ffffff;
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .chat-input::placeholder {
        color: #666666;
    }

    /* 名片暗色风格 */
    .contact-card {
        background: linear-gradient(135deg, #242424 0%, #1e1e1e 100%);
        border-color: rgba(255,255,255,0.04);
        box-shadow: 0 6px 18px rgba(0,0,0,0.6);
    }

    .contact-name {
        color: #ffffff;
    }

    .contact-desc {
        color: #a8a8a8;
    }

    .add-contact {
        background: linear-gradient(135deg, #07994b 0%, #057a3f 100%);
        box-shadow: 0 4px 12px rgba(3,120,63,0.2);
    }
}