:root{--primary: #264653;--primary-hover: #1d353f;--bg-main: #FFFFFF;--bg-secondary: #F8F9FA;--text-main: #222222;--text-sub: #888888;--divider: #ECECEC;--read-text: #888888;--app-width: 420px;--app-height: 880px;--app-shadow: 0 25px 50px -12px rgba(0, 0, 0, .25);--app-border: 12px solid #1e293b;--app-radius: 40px}body.dark-mode{--bg-main: #121212;--bg-secondary: #1E1E1E;--text-main: #E2E8F0;--text-sub: #94A3B8;--divider: #2A2A2A;--read-text: #64748B}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:#f1f5f9;color:var(--text-main);min-height:100vh;display:flex;justify-content:center;align-items:center;transition:background-color .3s}body.dark-mode{background-color:#0f172a}.app-container{width:100%;height:100vh;background-color:var(--bg-main);position:relative;overflow:hidden;display:flex;flex-direction:column;box-shadow:none;border:none;border-radius:0}@media (min-width: 480px){.app-container{width:var(--app-width);height:var(--app-height);border:var(--app-border);border-radius:var(--app-radius);box-shadow:var(--app-shadow)}}.main-panel,.detail-panel{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;background-color:var(--bg-main);overflow:hidden}.back-link{display:none}.home-link{color:var(--text-main);display:flex;align-items:center;text-decoration:none;padding:6px;border-radius:50%;transition:background-color .2s}.home-link:hover{background-color:var(--bg-secondary)}.app-header{height:52px;display:flex;justify-content:space-between;align-items:center;padding:0 16px;border-bottom:1px solid var(--divider);background-color:var(--bg-main);z-index:10;flex-shrink:0}.header-title{font-size:1.15rem;font-weight:700;color:var(--text-main);letter-spacing:-.02em}.icon-btn{background:none;border:none;cursor:pointer;color:var(--text-main);padding:8px;border-radius:50%;display:flex;justify-content:center;align-items:center;transition:background-color .2s}.icon-btn:hover{background-color:var(--bg-secondary)}.search-bar-container{padding:10px 16px;background-color:var(--bg-main);flex-shrink:0}.search-input-wrapper{display:flex;align-items:center;background-color:var(--bg-secondary);border-radius:10px;padding:8px 12px;gap:8px}.search-icon{color:var(--text-sub)}#search-input{flex:1;border:none;background:none;font-family:inherit;font-size:.9rem;color:var(--text-main);outline:none}#search-input::placeholder{color:var(--text-sub)}.segmented-tabs-container{padding:6px 16px 10px;background-color:var(--bg-main);flex-shrink:0}.segmented-tabs{display:flex;background-color:var(--bg-secondary);padding:3px;border-radius:10px;gap:2px}.tab-btn{flex:1;border:none;background:none;font-family:inherit;font-size:.88rem;font-weight:600;padding:8px 0;cursor:pointer;border-radius:8px;transition:all .2s cubic-bezier(.16,1,.3,1)}.tab-btn.active{background-color:var(--primary);color:#fff;box-shadow:0 2px 4px #00000014}.tab-btn:not(.active){color:var(--text-sub)}.tab-btn:not(.active):hover{color:var(--text-main)}.filter-pills-container{padding:0 16px 12px;background-color:var(--bg-main);flex-shrink:0;border-bottom:1px solid var(--divider)}.filter-pills{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}.filter-pills::-webkit-scrollbar{display:none}.filter-pills .pill{background-color:var(--bg-secondary);color:var(--text-sub);border:1px solid var(--divider);padding:6px 14px;border-radius:20px;font-family:inherit;font-size:.8rem;font-weight:500;cursor:pointer;white-space:nowrap;transition:all .15s ease}.filter-pills .pill:hover{color:var(--text-main);border-color:var(--text-sub)}.filter-pills .pill.active{background-color:var(--primary);color:#fff;border-color:var(--primary)}.feed-scroll-view{flex:1;overflow-y:auto;position:relative;background-color:var(--bg-main);scrollbar-width:thin}.pull-refresh-indicator{height:0;overflow:hidden;display:flex;justify-content:center;align-items:center;gap:8px;background-color:var(--bg-secondary);color:var(--text-sub);font-size:.82rem;font-weight:500;transition:height .2s ease,padding .2s ease;flex-shrink:0}.pull-refresh-indicator.pulling,.pull-refresh-indicator.refreshing{height:50px;padding:10px 0}.refresh-spinner{animation:rotate 1s linear infinite;display:none}.pull-refresh-indicator.refreshing .refresh-spinner{display:block}@keyframes rotate{to{transform:rotate(360deg)}}.posts-list{display:flex;flex-direction:column}.post-item-link{text-decoration:none;display:block}.post-item{height:92px;padding:11px 16px;display:flex;align-items:center;background-color:var(--bg-main);transition:background-color .15s}.post-item:hover{background-color:var(--bg-secondary)}.post-thumbnail-container{width:70px;height:70px;border-radius:8px;overflow:hidden;flex-shrink:0;margin-right:14px;border:1px solid var(--divider);background-color:var(--bg-secondary)}.post-thumbnail{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .3s}.post-thumbnail.loaded{opacity:1}.post-info-center{flex:1;display:flex;flex-direction:column;justify-content:space-between;height:100%;min-width:0}.post-title-row{font-size:.92rem;font-weight:600;color:var(--text-main);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis;padding-right:10px}.post-item-link.read .post-title-row{color:var(--read-text)!important;font-weight:500}.post-meta-row{display:flex;align-items:center;gap:8px;font-size:.75rem;color:var(--text-sub);font-weight:500}.meta-source{font-weight:600;color:var(--text-main)}.new-badge{background-color:#ef4444;color:#fff;font-size:.65rem;font-weight:700;padding:1px 4px;border-radius:4px;text-transform:uppercase}.post-meta-right{display:flex;align-items:center;gap:8px;color:var(--text-sub);flex-shrink:0;margin-left:8px}.comment-info-group{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:32px}.comment-bubble-icon{color:var(--text-sub)}.comment-count-label{font-size:.72rem;font-weight:700}.chevron-icon{color:#cbd5e1;transition:transform .2s}.post-item:hover .chevron-icon{color:var(--primary);transform:translate(2px)}.list-divider{height:1px;background-color:var(--divider);margin:0 16px}.feed-footer-loading{display:none;justify-content:center;align-items:center;gap:8px;padding:18px 0;color:var(--text-sub);font-size:.85rem;font-weight:500}.feed-footer-loading.active{display:flex}.feed-footer-loading .spinner{width:16px;height:16px;border:2px solid var(--divider);border-top:2px solid var(--primary);border-radius:50%;animation:rotate .8s linear infinite}.empty-state{display:none;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center}.empty-state.active{display:flex}.empty-icon{font-size:2.5rem;margin-bottom:12px}.empty-title{font-size:1.05rem;font-weight:700;color:var(--text-main);margin-bottom:6px}.empty-desc{font-size:.85rem;color:var(--text-sub)}.bottom-nav{height:60px;border-top:1px solid var(--divider);display:flex;background-color:var(--bg-main);z-index:10;flex-shrink:0}.nav-btn{flex:1;background:none;border:none;cursor:pointer;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;color:var(--text-sub);font-family:inherit;font-size:.72rem;font-weight:600;transition:all .2s;outline:none}.nav-btn.active{color:var(--primary)}.nav-btn:not(.active):hover{color:var(--text-main)}.detail-panel{transform:translate(100%);transition:transform .3s cubic-bezier(.16,1,.3,1);z-index:100}.detail-panel.active{transform:translate(0)}.detail-header{height:52px;display:flex;justify-content:space-between;align-items:center;padding:0 16px;border-bottom:1px solid var(--divider);background-color:var(--bg-main);flex-shrink:0}.back-btn-detail{background:none;border:none;cursor:pointer;display:flex;align-items:center;gap:4px;color:var(--primary);font-family:inherit;font-size:.9rem;font-weight:600;padding:6px 12px 6px 0;outline:none}.detail-header-center{font-size:.95rem;font-weight:700;color:var(--text-main)}.detail-header-domain{background-color:var(--bg-secondary);padding:3px 10px;border-radius:6px;border:1px solid var(--divider)}.share-btn-detail{background:none;border:none;cursor:pointer;color:var(--text-main);padding:8px;border-radius:50%;display:flex;justify-content:center;align-items:center;outline:none}.share-btn-detail:hover{background-color:var(--bg-secondary)}.webview-container{flex:1;position:relative;background-color:var(--bg-main)}#detail-iframe{width:100%;height:100%;border:none;display:block}.webview-fallback{position:absolute;top:0;left:0;width:100%;height:100%;background-color:var(--bg-main);display:none;flex-direction:column;overflow-y:auto;overflow-x:hidden!important;padding:24px 20px;box-sizing:border-box}.webview-fallback.active{display:flex}.fallback-header{margin-bottom:20px;border-bottom:1px solid var(--divider);padding-bottom:16px}.fallback-badge{background-color:var(--primary);color:#fff;font-size:.72rem;font-weight:700;padding:3px 8px;border-radius:4px;display:inline-block;margin-bottom:8px}.fallback-title{font-size:1.3rem;font-weight:700;color:var(--text-main);line-height:1.4;margin-bottom:10px}.fallback-meta{font-size:.8rem;color:var(--text-sub);display:flex;gap:12px}.fallback-body{font-size:.95rem;line-height:1.7;color:var(--text-main);flex:1;margin-bottom:30px;word-break:break-word}.fallback-body *{max-width:100%!important;box-sizing:border-box!important;word-break:break-all!important;word-wrap:break-word!important}.fallback-body table,.fallback-body div,.fallback-body p,.fallback-body span,.fallback-body pre{width:auto!important;max-width:100%!important;overflow-x:auto}.fallback-body img,.fallback-body video{max-width:100%!important;height:auto!important;border-radius:8px;margin:12px 0;display:block}.fallback-footer{display:flex;justify-content:center;padding-bottom:20px}.original-link-btn{background-color:var(--primary);color:#fff;text-decoration:none;font-size:.9rem;font-weight:600;padding:12px 24px;border-radius:10px;transition:background-color .2s;box-shadow:0 4px 6px -1px #26465333}.original-link-btn:hover{background-color:var(--primary-hover)}.version-label{position:fixed;bottom:20px;left:20px;font-size:.85rem;color:#94a3b8;font-weight:500;z-index:1000;pointer-events:none}body.dark-mode .version-label{color:#475569}