.qa-reader{min-height:100dvh;padding-bottom:calc(88px + env(safe-area-inset-bottom));font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,sans-serif}.qa-reader button{cursor:pointer}.qa-reader button:disabled{cursor:default;opacity:.45}.qa-reader :is(button,a,textarea):focus-visible{outline:2px solid var(--forum-accent);outline-offset:3px}.qa-topbar{z-index:40;background:var(--forum-card);border-bottom:0;position:sticky;top:0}.qa-topbar>div{align-items:center;gap:14px;max-width:1040px;height:58px;margin:auto;padding:0 16px;display:flex}.qa-icon-button{flex-shrink:0;place-items:center;width:36px;height:44px;display:grid}.qa-write-button{color:#fff;white-space:nowrap;background:#1677ff;border-radius:18px;justify-content:center;align-items:center;gap:6px;min-height:36px;margin-left:auto;padding:0 14px;font-size:14px;font-weight:500;display:flex}.qa-write-button:hover{background:#0868ee}.qa-layout{grid-template-columns:minmax(0,720px) 256px;align-items:start;gap:24px;max-width:1040px;margin:24px auto 0;padding:0 16px;display:grid}.qa-main{background:var(--forum-card);border:1px solid var(--forum-line);border-radius:10px;min-width:0;overflow:clip}.qa-question{padding:28px 32px 18px}.qa-question h1{overflow-wrap:anywhere;margin:0;font-size:26px;font-weight:600;line-height:1.45}.qa-answer{overflow-wrap:anywhere;padding:16px 32px 28px;scroll-margin-top:70px}.qa-answer+.qa-answer{border-top:8px solid var(--forum-bg);padding-top:26px}.qa-author{align-items:center;gap:12px;margin-bottom:23px;display:flex}.qa-avatar.user-avatar{border:0;width:38px;height:38px;font-size:17px}.qa-author strong{flex:1;min-width:0;font-size:15px;font-weight:500}.qa-author button{width:44px;height:44px;color:var(--forum-muted);place-items:center;display:grid}.qa-reader .qa-body{font-size:var(--qa-font-size,18px);letter-spacing:0;line-height:1.75}.qa-reader .qa-body p{margin:0 0 1.25em}.qa-reader .qa-body>:first-child{margin-top:0}.qa-reader .qa-body>:last-child{margin-bottom:0}.qa-reader .qa-body :is(img,video,iframe){max-width:100%;height:auto}.qa-reader .qa-body blockquote{margin:24px 0}.qa-reader .qa-body :is(ul,ol){margin:20px 0}.qa-answer-date{color:var(--forum-muted);margin-top:28px;font-size:12px}.qa-reader .forum-source-credit{border-radius:5px;margin-top:18px;padding:12px 14px}.qa-inline-actions{color:var(--forum-muted);gap:24px;padding-top:22px;font-size:13px;display:flex}.qa-inline-actions button{align-items:center;gap:6px;min-height:40px;display:flex}.qa-reader [aria-pressed=true]{color:var(--forum-accent)}.qa-stream-end{text-align:center;border-top:1px solid var(--forum-line);color:var(--forum-muted);padding:32px 16px 38px;font-size:13px}.qa-stream-end button{color:var(--forum-accent);min-height:44px;padding:4px 12px}.qa-sidebar{background:var(--forum-card);border:1px solid var(--forum-line);border-radius:10px;padding:24px;position:sticky;top:82px}.qa-sidebar h2{font-size:19px;font-weight:600}.qa-sidebar p{color:var(--forum-muted);margin:8px 0 22px;font-size:12px;line-height:1.7}.qa-side-link{width:100%;color:var(--forum-muted);align-items:center;gap:10px;padding:13px 0;font-size:14px;display:flex}.qa-primary{background:var(--forum-accent);color:var(--forum-card);border-radius:6px;justify-content:center;align-items:center;gap:8px;min-height:42px;padding:9px 18px;font-size:14px;display:inline-flex}.qa-sidebar .qa-primary{width:100%;margin-bottom:12px}.qa-actionbar{z-index:41;background:var(--forum-card);border-top:1px solid var(--forum-line);padding-bottom:env(safe-area-inset-bottom);position:fixed;bottom:0;left:0;right:0}.qa-actionbar>div{align-items:center;gap:15px;max-width:720px;height:62px;margin:auto;padding:0 16px;display:flex}.qa-actionbar button{flex-shrink:0;justify-content:center;align-items:center;gap:6px;min-width:42px;min-height:44px;font-size:13px;display:flex}.qa-actionbar .qa-current-author{flex:1;justify-content:flex-start;min-width:0;max-width:220px;margin-right:auto}.qa-current-author .qa-avatar{width:30px;height:30px;font-size:13px}.qa-current-author>span:last-child{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.qa-vote{color:var(--forum-accent);background:var(--forum-soft);border-radius:6px;padding:0 10px}.qa-next-answer{right:max(20px,50vw - 208px);bottom:calc(86px + env(safe-area-inset-bottom));z-index:39;background:var(--forum-card);border:1px solid var(--forum-line);border-radius:50%;place-items:center;width:46px;height:46px;display:grid;position:fixed;box-shadow:0 2px 9px #00000013}.qa-loading{text-align:center;color:var(--forum-muted);padding:80px 24px}.qa-loading button{color:var(--forum-accent);margin:16px auto;display:block}.qa-toast{left:50%;bottom:calc(85px + env(safe-area-inset-bottom));z-index:80;background:var(--forum-text);color:var(--forum-card);border-radius:8px;max-width:90vw;padding:12px 18px;font-size:13px;position:fixed;transform:translate(-50%)}.qa-directory-question{margin:22px 0 16px;font-size:18px;font-weight:600;line-height:1.55}.qa-question-details{color:var(--forum-muted);margin-bottom:12px;font-size:14px;line-height:1.7}.qa-question-details summary{cursor:pointer;padding:8px 0}.qa-related-book{color:var(--forum-accent);padding:6px 0;font-size:13px;display:inline-block}.qa-directory-order{color:var(--forum-muted);margin:18px 0 0;font-size:12px}.qa-directory-item{text-align:left;border-bottom:1px solid var(--forum-line);width:100%;padding:20px 0;display:block}.qa-directory-item strong{font-size:14px;font-weight:500}.qa-directory-item span{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:8px 0;font-size:14px;line-height:1.8;display:-webkit-box;overflow:hidden}.qa-directory-item small{color:var(--forum-muted);font-size:12px}.qa-directory-item[aria-current=true] strong{color:var(--forum-accent)}.qa-load-more{min-height:44px;color:var(--forum-accent);margin:12px auto 0;font-size:14px;display:block}.qa-settings{padding:12px 24px 28px}.qa-settings p{margin:16px 0 12px;font-size:14px}.qa-settings strong{float:right;font-size:13px}.qa-settings>div{gap:8px;display:flex}.qa-settings button{background:var(--forum-soft);border:1px solid #0000;border-radius:6px;flex:1;min-height:44px}.qa-settings [aria-pressed=true]{border-color:var(--forum-accent)}.qa-comment{padding:15px 0}.qa-comment-byline{justify-content:space-between;align-items:center;gap:12px;font-size:13px;display:flex}.qa-comment-byline time{color:var(--forum-muted);font-size:11px}.qa-comment-body{overflow-wrap:anywhere;margin-top:8px;font-size:15px;line-height:1.85}.qa-comment-actions{color:var(--forum-muted);gap:22px;margin-top:8px;font-size:12px;display:flex}.qa-comment-actions button{align-items:center;gap:5px;min-height:36px;display:flex}.qa-comment-children{border-left:2px solid var(--forum-line);padding-left:18px}.qa-comment-children:empty{display:none}.qa-comment-form{border-top:1px solid var(--forum-line);padding:12px 20px max(14px,env(safe-area-inset-bottom));flex-shrink:0}.qa-comment-form textarea{resize:vertical;background:var(--forum-soft);border-radius:6px;width:100%;height:76px;padding:12px;font-size:16px;display:block}.qa-comment-form>button{margin:10px 0 0 auto;display:flex}.qa-reply-to{color:var(--forum-muted);justify-content:space-between;gap:12px;margin:0 0 10px;font-size:12px;display:flex}.qa-write-form{flex-direction:column;min-height:0;padding:20px;display:flex}.qa-write-form>p{margin-bottom:18px;font-size:16px;font-weight:500;line-height:1.6}.qa-write-form textarea{resize:none;background:var(--forum-card);height:40dvh;min-height:180px;font-size:18px;line-height:1.75}.qa-write-form>div{justify-content:space-between;align-items:center;gap:12px;margin-top:18px;display:flex}.qa-write-form>div span{color:var(--forum-muted);font-size:12px}.qa-error{color:var(--forum-muted);padding:12px 0;font-size:13px}.qa-error button{color:var(--forum-accent);padding:6px}.qa-empty{text-align:center;color:var(--forum-muted);padding:28px 0;font-size:14px}.qa-share-fallback{padding:24px;font-size:14px}.qa-share-fallback input{background:var(--forum-soft);border-radius:6px;width:100%;margin-top:16px;padding:12px;font-size:16px}@media (max-width:767px){.qa-reader{background:var(--forum-card)}.qa-topbar>div{gap:8px;height:54px;padding:0 12px}.qa-write-button{gap:5px;font-size:14px}.qa-layout{margin:0;padding:0;display:block}.qa-main{border:0;border-radius:0}.qa-sidebar{display:none}.qa-question{padding:8px 16px 12px}.qa-question h1{font-size:22px;line-height:1.45}.qa-answer{padding:16px 16px 26px}.qa-answer+.qa-answer{padding-top:24px}.qa-author{gap:10px;margin-bottom:22px}.qa-inline-actions{display:none}.qa-actionbar>div{gap:6px;height:60px;padding:0 12px}.qa-actionbar button{min-width:38px;font-size:12px}.qa-actionbar .qa-current-author{gap:7px;max-width:140px}.qa-next-answer{right:18px}.qa-dialog-scroll,.qa-dialog-subtitle{padding-inline:16px}.qa-write-form{padding:16px 16px max(20px,env(safe-area-inset-bottom))}}@media (max-width:359px){.qa-question h1{font-size:21px}.qa-actionbar .qa-current-author>span:last-child{display:none}.qa-actionbar .qa-current-author{flex:0 0 38px}.qa-actionbar>div{justify-content:space-between}.qa-vote{padding:0 8px}}.qa-question{border-bottom:1px solid var(--forum-line)}.qa-question h1 a{display:block}.qa-answer-count{width:max-content;color:var(--forum-muted);align-items:center;gap:3px;margin-top:16px;font-size:14px;line-height:1.6;display:flex}.qa-actionbar .qa-more-button{flex:0 0 32px;min-width:32px}.book-review-sheet.forum-comment-sheet[open]:not([data-closing]),.book-review-sheet.forum-comment-sheet:not([data-closing])::backdrop{animation-timing-function:linear}.book-review-sheet.book-community.forum-comment-sheet{background:var(--forum-card);color:var(--forum-text)}.book-review-sheet.forum-comment-sheet::backdrop{background:#0006}.forum-comment-sheet .book-review-sheet-handle{background:var(--forum-line)}.forum-comment-sheet .book-review-sheet-header,.forum-comment-sheet .book-review-composer{border-color:var(--forum-line)}.forum-comment-sheet .book-review-composer{background:var(--forum-card)}.forum-comment-sheet .book-review-sheet-header small,.forum-comment-sheet .book-review-footer,.forum-comment-sheet .book-review-reply-action{color:var(--forum-muted)}.book-review-sheet.forum-comment-sheet .book-review-name,.book-review-sheet.forum-comment-sheet .book-review-content{color:var(--forum-text)}.forum-comment-sheet .book-review-compose-bar textarea{background:var(--forum-soft);border-color:var(--forum-line);color:var(--forum-text)}.forum-comment-sheet .book-review-compose-bar textarea::placeholder{color:var(--forum-muted)}.forum-comment-sheet .book-review-compose-bar textarea:focus{background:var(--forum-card);outline-color:var(--forum-accent)}.forum-comment-sheet .book-review-sheet-close:focus-visible{outline-color:var(--forum-accent)}.forum-comment-sheet .book-review-compose-send{background:var(--forum-accent);color:var(--forum-card)}.forum-comment-sheet .qa-comment{padding:0}.forum-comment-sheet .qa-comment-children{border-color:var(--forum-line);margin:8px 0 0 44px;padding-left:12px}.forum-comment-sheet .book-review-reply-action{align-items:center;gap:4px;display:flex}.forum-comment-sheet .book-review-content p{margin:0}.forum-comment-sheet .book-review-content{white-space:normal}
