/* 信息页保留前台固定背景与手机宽度，只让聊天记录区域滚动。 */
@view-transition { navigation: none; }
.user-messages-page [hidden] { display: none !important; }
body.front-frame-page > .front-app-frame.user-messages-page { --message-viewport-top: 0px; --message-history-top: 58px; --message-keyboard-inset: 0px; --message-compose-space: 78px; }
/* 会话只滚动消息记录，避免 iOS 滑动页面时裁切固定的顶部和发送区。 */
html.buyer-message-chat-open { overflow: hidden; overscroll-behavior: none; scroll-behavior: auto; }
html.buyer-message-chat-open > body.front-frame-page.user-messages-page.is-chat { position: fixed !important; inset: 0; width: 100%; height: 100%; min-height: 0 !important; overflow: hidden; overscroll-behavior: none; }
body.front-frame-page > .front-app-frame.user-messages-page.is-chat,
body.front-frame-page > .front-app-frame.user-messages-page.is-chat > .front-app-content,
body.front-frame-page > .front-app-frame.user-messages-page.is-chat > .front-app-content > .front-page-layer { height: 100%; min-height: 0 !important; overflow: visible !important; }
body.front-frame-page > .front-app-frame.user-messages-page .message-topbar { position: sticky; top: 0; z-index: 50; }
.message-list-page { padding: 12px 12px 100px; }
.message-search { display: flex; gap: 10px; padding: 8px 12px; margin-bottom: 12px; background: #fff; border-radius: 12px; }
body.front-frame-page .message-search input { flex: 1; min-width: 0; padding: 4px 0; background: transparent !important; border: 0 !important; box-shadow: none !important; outline: none !important; }
.message-search button { padding: 2px 0; border: 0; background: transparent; color: #7760b5; font-size: 13px; }
.message-conversations { overflow: hidden; border-radius: 14px; background: rgba(255,255,255,.94); }
.message-conversation { display: flex; gap: 13px; align-items: center; padding: 17px 14px; color: #282c33; text-decoration: none; -webkit-tap-highlight-color: transparent; }
.message-conversation + .message-conversation { border-top: 1px solid #f0eff2; }
.message-conversation-row { position: relative; overflow: hidden; touch-action: pan-y; --message-swipe-offset: 0px; }
.message-conversation-row + .message-conversation-row { border-top: 1px solid #f0eff2; }
.message-conversation-row.is-open { --message-swipe-offset: -144px; }
.message-conversation-row .message-conversation { position: relative; z-index: 1; background: #fff; transform: translateX(var(--message-swipe-offset)); transition: transform .18s ease-out; }
.message-conversation-row.is-dragging .message-conversation { transition: none; user-select: none; }
.message-conversation-row .message-conversation img { -webkit-user-drag: none; user-select: none; }
.message-conversation-actions { position: absolute; inset: 0 0 0 auto; display: flex; width: 144px; }
.message-conversation-actions button { width: 72px; margin: 0; padding: 0 5px; border: 0; border-radius: 0; background: #a7abb2; color: #fff; font: inherit; font-size: 12px; cursor: pointer; }
.message-conversation-actions button[data-conversation-action="delete"] { background: #e65a64; }
.message-conversation-actions button:disabled { opacity: .55; }
.message-pinned-badge { display: inline-block; margin-right: 5px; padding: 1px 4px; border-radius: 3px; background: #ececf0; color: #747782; font-size: 10px; }
body.front-frame-page > .front-app-frame.user-messages-page .message-conversation-row.is-pinned .message-conversation,
.merchant-messages-host .message-conversation-row.is-pinned .message-conversation { background: #f5f5f7; }
@media (prefers-reduced-motion: reduce) { .message-conversation-row .message-conversation { transition: none; } }
.message-avatar-wrap { flex: 0 0 49px; position: relative; }
.message-avatar { display: block; width: 49px; height: 49px; border-radius: 12px; object-fit: cover; background: #f2f0f4; }
.message-unread { position: absolute; top: -6px; right: -6px; display: grid; place-items: center; min-width: 17px; height: 17px; padding: 0 4px; border-radius: 10px; background: #f15c6e; color: #fff; font-size: 10px; line-height: 1; }
.message-conversation-copy { flex: 1; min-width: 0; }
.message-conversation-head { display: flex; align-items: baseline; gap: 8px; margin-bottom: 7px; }
.message-conversation-head strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 15px; font-weight: 750; }
.message-conversation-head time { margin-left: auto; flex-shrink: 0; font-size: 10px; font-weight: 400; color: #a0a3ab; }
.message-conversation-copy p { overflow: hidden; margin: 0; color: #9296a1; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; line-height: 1.4; }
.message-empty { margin: 0; padding: 52px 18px; text-align: center; font-size: 13px; color: #8f929b; line-height: 1.8; }
.message-empty a { display: inline-block; margin-top: 12px; color: #7b65b1; }
.message-load-more, .message-history-more { display: block; margin: 10px auto; padding: 6px 12px; border: 0; background: transparent; color: #8f849d; font-size: 11px; }
.message-error-retry { margin: 10px auto; border: 0; background: transparent; color: #7b65b1; font: inherit; }
body.front-frame-page > .front-app-frame.user-messages-page.is-chat .message-topbar { position: fixed; top: var(--message-viewport-top,0px); left: 50%; transform: translateX(-50%); width: min(430px,100vw); }
body.front-frame-page.user-messages-page.is-chat > .public-bottom-nav,
body.front-frame-page > .front-app-frame.user-messages-page.is-chat .public-bottom-nav { display: none !important; }
.message-history { position: fixed; top: 58px; bottom: var(--message-compose-space,78px); left: 50%; transform: translateX(-50%); width: min(430px,100vw); overflow-y: auto; overflow-x: hidden; padding: 14px 12px 22px; background: #fff; overscroll-behavior-y: contain; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
/* 用户端与代理售后共用，只隐藏滚动条，聊天记录仍可正常上下滑动。 */
.message-history::-webkit-scrollbar { display: none; width: 0; height: 0; }
body.front-frame-page > .front-app-frame.user-messages-page.is-chat .message-history { top: var(--message-history-top,58px); }
.message-time { margin: 13px 0 17px; color: #9d97a4; font-size: 10px; text-align: center; }
.message-row { display: flex; align-items: flex-start; gap: 9px; margin-bottom: 18px; }
.message-row.is-buyer { flex-direction: row-reverse; }
.message-row > img { width: 34px; height: 34px; flex: 0 0 34px; border-radius: 10px; object-fit: cover; background: #f4f0f4; }
.message-bubble { position: relative; min-width: 30px; max-width: calc(100% - 56px); border: 1px solid #dfe3e6; border-radius: 3px 14px 14px; padding: 10px 12px; background: #fff; color: #24272b; overflow-wrap: anywhere; font-size: 14px; line-height: 1.6; white-space: pre-wrap; }
.message-row.is-buyer .message-bubble { border-color: #95ec69; border-radius: 14px 3px 14px 14px; background: #95ec69; }
.message-bubble.is-media { padding: 4px; overflow: hidden; }
.message-bubble.is-media img { display: block; max-width: 210px; max-height: 260px; width: auto; height: auto; border-radius: 9px; cursor: zoom-in; }
.message-bubble.is-media video { display: block; width: min(210px,50vw); max-height: 260px; border-radius: 9px; background: #222; }
.message-order-card { display: grid; grid-template-columns: 48px minmax(0,1fr); gap: 10px; min-width: 165px; max-width: 235px; margin: 0; padding: 0; border: 0; border-radius: 0; background: transparent; color: inherit; text-align: left; font: inherit; cursor: pointer; white-space: normal; }
.message-order-card img { width: 48px; height: 58px; border-radius: 7px; object-fit: cover; }
.message-order-card strong { display: block; font-size: 12px; line-height: 1.5; }
.message-order-card small { display: block; margin-top: 4px; font-size: 9px; color: #8e8794; word-break: break-all; }
.message-order-card em { display: block; margin-top: 5px; font-size: 10px; color: #9470a8; font-style: normal; }
.message-connection { margin: 6px 0; text-align: center; font-size: 11px; color: #a48088; }
body.front-frame-page > .front-app-frame.user-messages-page .message-composer { position: fixed; z-index: 70; left: 50%; bottom: var(--message-keyboard-inset,0px); transform: translateX(-50%); width: min(430px,100vw); padding: 10px 12px max(10px,var(--message-safe-bottom,env(safe-area-inset-bottom))); border-top: 1px solid #edf0f2; background: #fff; }
/* 列表和聊天记录透出固定背景，底部输入区与展开菜单使用白色。 */
body.front-frame-page > .front-app-frame.user-messages-page :is(.message-conversations, .message-history) { background: transparent; }
/* 信息列表外层透明，每个用户会话条目保留白色。 */
body.front-frame-page > .front-app-frame.user-messages-page .message-conversation { background: #fff; }
.message-compose-row { display: flex; align-items: flex-end; gap: 9px; }
body.front-frame-page > .front-app-frame.user-messages-page #messageText { flex: 1; min-width: 0; min-height: 40px; max-height: 112px; margin: 0; padding: 10px 12px; resize: none; border: 1px solid #efeaee !important; border-radius: 13px; outline: none !important; background: #fff !important; box-shadow: none !important; color: #39333f; font: inherit; font-size: 14px; line-height: 20px; -webkit-appearance: none; }
.message-send, .message-more { display: grid; place-items: center; flex: 0 0 33px; width: 33px; height: 40px; margin: 0; padding: 4px; border: 0; border-radius: 0; background: transparent; box-shadow: none; cursor: pointer; }
.message-send img { width: 25px; height: 25px; }
.message-send:disabled { opacity: .35; }
.message-more svg { width: 27px; height: 27px; fill: none; stroke: #50414d; stroke-width: 1.7; }
.message-more-panel { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; padding: 20px 4px 6px; }
.message-more-panel button { display: grid; justify-items: center; gap: 8px; margin: 0; padding: 0; border: 0; border-radius: 0; background: transparent; color: #626970; font-size: 11px; }
.message-more-panel span { display: grid; place-items: center; width: 60px; height: 60px; border: 1px solid #dfe3e6; border-radius: 17px; background: #fff; box-shadow: none; }
.message-more-panel svg { width: 27px; height: 27px; stroke: #555e66; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.message-more-panel button:disabled { opacity: .4; }
.message-system { margin: 14px 0; text-align: center; font-size: 11px; color: #928794; }
body.user-messages-page .user-order-sheet-layer { z-index: 10050; }
.message-order-context { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; color: #9c8393; font-size: 10px; }
.message-order-context span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.message-order-context button, .message-attachment-draft button { flex-shrink: 0; border: 0; background: transparent; color: #7d6895; font-size: 10px; padding: 2px; }
.message-attachment-draft { display: flex; gap: 9px; align-items: center; padding-bottom: 10px; font-size: 11px; color: #8a7483; }
.message-attachment-draft img, .message-attachment-draft video { width: 48px; height: 48px; border-radius: 7px; object-fit: cover; }
.message-attachment-draft span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.message-dialog { position: fixed; z-index: 11000; inset: 0; display: flex; align-items: flex-end; justify-content: center; }
.message-dialog-backdrop { position: absolute; inset: 0; border: 0; border-radius: 0; background: rgba(35,25,39,.32); }
.message-dialog > section { position: relative; width: min(430px,100vw); max-height: min(70dvh,600px); padding: 18px 18px max(20px,env(safe-area-inset-bottom)); overflow-y: auto; background: #fff; border-radius: 23px 23px 0 0; }
.message-dialog header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.message-dialog h2 { margin: 0; font-size: 16px; }
.message-dialog header button { border: 0; background: transparent; color: #9a8d9b; font-size: 12px; }
.message-order-choice { display: flex; align-items: center; gap: 10px; width: 100%; padding: 13px 0; border: 0; border-top: 1px solid #f2edf3; border-radius: 0; background: #fff; text-align: left; color: #3e3745; }
.message-order-choice img { width: 43px; height: 51px; border-radius: 7px; object-fit: cover; }
.message-order-choice span { flex: 1; min-width: 0; }
.message-order-choice strong { display: block; font-size: 12px; }
.message-order-choice small { display: block; margin-top: 5px; font-size: 9px; color: #a297a5; word-break: break-all; }
.message-order-choice em { font-style: normal; font-size: 11px; color: #997ab3; }
@media (prefers-reduced-motion: no-preference) { .message-row { animation: message-in .16s ease-out; } @keyframes message-in { from { opacity: .3; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } } }