:root{--bg:#f4f6f8;--surface:#fff;--surface2:#eef2f6;--text:#17191d;--muted:#69727d;--line:#e3e8ee;--blue:#0788f5;--blueSoft:#e5f2ff;--shadow:0 12px 32px rgba(35,48,62,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;color:var(--text);background:var(--bg);font-family:Inter,"SF Pro Display","PingFang SC","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.app-progress{position:fixed;inset:0 auto auto 0;z-index:100;width:0;height:3px;background:var(--blue)}
.appbar{position:fixed;inset:0 0 auto;z-index:50;height:74px;border-bottom:1px solid rgba(220,226,233,.9);background:rgba(250,251,252,.92);backdrop-filter:blur(20px)}.appbar-inner{width:min(calc(100% - 32px),1260px);height:100%;margin:auto;display:flex;align-items:center;gap:16px}.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:850;letter-spacing:-.04em}.brand img{width:42px;height:42px;border-radius:14px;box-shadow:0 7px 18px rgba(7,136,245,.2)}.top-tabs{position:relative;width:170px;height:44px;margin:auto;padding:4px;border-radius:999px;display:grid;grid-template-columns:1fr 1fr;background:#e9edf2}.top-tabs button{position:relative;z-index:2;border:0;background:transparent;font-size:14px;font-weight:750;cursor:pointer}.top-tabs .tab-indicator{position:absolute;left:4px;top:4px;width:calc((100% - 8px)/2);height:36px;border-radius:999px;background:#fff;box-shadow:0 4px 14px rgba(37,50,64,.1);transition:transform .3s}.download-small,.solid-button,.soft-button,.open-more{border:0;border-radius:999px;cursor:pointer;font-weight:800}.download-small{height:42px;padding:0 18px;color:#fff;background:var(--blue)}
.community-shell{width:min(calc(100% - 32px),1260px);margin:auto;padding:96px 0 70px;display:grid;grid-template-columns:215px minmax(500px,690px) 285px;gap:18px;align-items:start}.left-rail,.right-rail{position:sticky;top:94px;display:grid;gap:14px}.rail-card,.community-intro,.feed-toolbar,.real-post{border:1px solid var(--line);background:var(--surface);box-shadow:0 2px 8px rgba(35,48,62,.025)}.rail-card{border-radius:23px;overflow:hidden}.account-body{padding:19px}.account-avatar{width:50px;height:50px;border-radius:17px;display:grid;place-items:center;color:#fff;background:#252a31;font-weight:900}.account-body h3{margin:14px 0 7px;font-size:17px}.account-body p,.about-copy{margin:0;color:var(--muted);font-size:13px;line-height:1.7}.solid-button{min-height:44px;padding:0 18px;color:#fff;background:var(--blue)}.account-body .solid-button{width:100%;margin-top:15px}.rail-nav{padding:8px}.rail-nav button{width:100%;padding:11px 10px;border:0;border-radius:17px;display:flex;align-items:center;gap:11px;text-align:left;background:transparent;cursor:pointer}.rail-nav button:hover,.rail-nav button.active{background:var(--surface2)}.rail-nav>button>span{width:36px;height:36px;border-radius:13px;display:grid;place-items:center;background:#fff;color:#4b5561;font-weight:900}.rail-nav button.active>span{color:#fff;background:var(--blue)}.rail-nav div{display:grid;gap:2px}.rail-nav b{font-size:14px}.rail-nav small{color:var(--muted);font-size:11px}.rail-footer{display:flex;flex-wrap:wrap;gap:7px 12px;padding:4px;color:#89919a;font-size:11px}.rail-footer span{width:100%}
.feed-column{min-width:0}.community-intro{padding:27px;border-radius:27px}.eyebrow{display:inline-flex;padding:6px 10px;border-radius:999px;color:#0873ca;background:var(--blueSoft);font-size:11px;font-weight:800}.community-intro h1{margin:15px 0 10px;font-size:clamp(30px,3.15vw,45px);line-height:1.13;letter-spacing:-.055em}.community-intro p{margin:0;color:var(--muted);line-height:1.75}.intro-actions{display:flex;gap:10px;margin-top:21px}.soft-button{min-height:44px;padding:0 18px;background:var(--surface2)}.feed-toolbar{position:sticky;top:84px;z-index:20;margin:14px 0;padding:14px 15px;border-radius:21px;display:flex;align-items:center;gap:14px}.feed-title{display:grid;gap:2px;margin-right:auto}.feed-title b{font-size:17px}.feed-title span{color:var(--muted);font-size:10px}.filter-tabs{display:flex;gap:4px}.filter-tabs button{height:34px;padding:0 12px;border:0;border-radius:999px;color:var(--muted);background:transparent;font-size:12px;font-weight:750;cursor:pointer}.filter-tabs button.active{color:#fff;background:#252a31}
.feed-grid{column-count:2;column-gap:12px}.real-post,.post-skeleton{width:100%;margin:0 0 12px;display:inline-block;break-inside:avoid;border-radius:20px;overflow:hidden}.real-post{cursor:pointer;transition:transform .2s,box-shadow .2s}.real-post:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.post-media{position:relative;background:#e8edf2}.post-media img{width:100%;height:auto;min-height:150px;max-height:390px;object-fit:cover}.post-badge{position:absolute;left:10px;top:10px;padding:5px 8px;border-radius:99px;background:rgba(255,255,255,.88);font-size:10px;font-weight:800;backdrop-filter:blur(10px)}.post-copy{padding:13px}.post-copy h2{margin:0;font-size:15px;line-height:1.5}.post-excerpt{margin:8px 0 0;color:var(--muted);font-size:12px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.text-preview{position:relative;padding:20px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;background:#252a31}.text-preview.size-0{min-height:190px}.text-preview.size-1{min-height:240px;background:#273749}.text-preview.size-2{min-height:165px;background:#3a3430}.text-preview.size-3{min-height:215px;background:#30323a}.text-preview small{margin-bottom:auto;color:#b9c2cc;font-size:10px}.text-preview p{margin:28px 0 0;font-size:17px;font-weight:750;line-height:1.65;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}.post-author{display:flex;align-items:center;gap:7px;margin-top:11px}.post-author img,.avatar-fallback{width:28px;height:28px;border-radius:10px;object-fit:cover}.avatar-fallback{display:grid;place-items:center;color:#fff;background:#3b8edc;font-size:11px;font-weight:800}.post-author b{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:11px}.post-stats{margin-left:auto;display:flex;gap:8px;color:#8d96a0;font-size:10px}.post-skeleton{height:255px;background:#e7ebef;position:relative;overflow:hidden}.post-skeleton.tall{height:330px}.post-skeleton:after{content:"";position:absolute;inset:0;background:#f4f6f8;transform:translateX(-100%);animation:skeleton 1.1s infinite}@keyframes skeleton{to{transform:translateX(100%)}}.feed-error{column-span:all;padding:45px 20px;border:1px solid var(--line);border-radius:22px;text-align:center;background:#fff}.feed-error b{display:block;margin-bottom:7px}.feed-error span{color:var(--muted);font-size:12px}.open-more{width:100%;min-height:66px;padding:12px 18px;display:grid;place-items:center;margin-top:3px;color:#fff;background:#252a31}.open-more b{font-size:15px}.open-more span{margin-top:3px;color:#b8c0c9;font-size:10px}
.right-rail .rail-card{padding:17px}.download-logo{display:flex;align-items:center;justify-content:space-between}.download-logo img{width:43px;height:43px;border-radius:14px}.download-logo span{padding:5px 8px;border-radius:99px;color:#0873ca;background:var(--blueSoft);font-size:10px;font-weight:800}.download-widget h3{margin:15px 0 7px}.download-widget p{margin:0 0 15px;color:var(--muted);font-size:12px;line-height:1.7}.download-widget .solid-button{width:100%}.rail-title{display:flex;align-items:center;justify-content:space-between}.trends ol{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:14px}.trends li{display:flex;gap:10px}.trends li>i{width:22px;height:22px;border-radius:8px;display:grid;place-items:center;background:var(--surface2);font-size:10px;font-style:normal;font-weight:900}.trends li:first-child>i{color:#fff;background:var(--blue)}.trends li div{display:grid;gap:3px}.trends li b{font-size:12px}.trends li span{color:var(--muted);font-size:10px}
.download-sheet{position:fixed;inset:0;z-index:90;display:grid;place-items:center;background:rgba(15,20,27,.35);opacity:0;pointer-events:none;transition:.22s}.download-sheet.open{opacity:1;pointer-events:auto}.sheet-card{width:min(calc(100% - 30px),390px);padding:23px;border-radius:30px;background:#fff;text-align:center;transform:translateY(20px) scale(.97);transition:.25s}.download-sheet.open .sheet-card{transform:none}.sheet-card>img{width:72px;height:72px;margin:4px auto 15px;border-radius:23px}.sheet-card h2{margin:0 0 8px}.sheet-card p{color:var(--muted);line-height:1.7}.sheet-card .solid-button{width:100%}.sheet-handle{display:none}.plain-button{margin-top:8px;padding:10px;border:0;background:transparent;color:var(--muted)}.toast{position:fixed;left:50%;bottom:28px;z-index:100;padding:11px 17px;border-radius:99px;color:#fff;background:#252a31;opacity:0;transform:translate(-50%,15px);transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}.ripple{position:relative;overflow:hidden}.ripple-wave{position:absolute;border-radius:50%;background:rgba(255,255,255,.4);transform:scale(0);animation:ripple .55s ease-out;pointer-events:none}@keyframes ripple{to{transform:scale(4);opacity:0}}
@media(max-width:1070px){.community-shell{grid-template-columns:210px minmax(480px,1fr)}.right-rail{display:none}}
@media(max-width:780px){.appbar{height:66px}.appbar-inner{width:100%;padding:0 12px}.brand span{display:none}.brand img{width:38px;height:38px}.top-tabs{width:155px}.download-small{height:40px;padding:0 13px;font-size:12px}.community-shell{width:100%;padding:78px 10px 30px;display:block}.left-rail{display:none}.community-intro{padding:20px;border-radius:24px}.community-intro h1{font-size:29px}.feed-toolbar{top:72px;margin:10px 0;padding:11px;border-radius:18px}.feed-title{display:none}.filter-tabs{width:100%;justify-content:space-between}.feed-grid{column-gap:8px}.real-post,.post-skeleton{margin-bottom:8px;border-radius:18px}.post-copy{padding:10px}.post-copy h2{font-size:13px}.post-excerpt{font-size:11px}.text-preview{padding:15px}.text-preview p{font-size:15px}.open-more{margin-top:2px}.download-sheet{align-items:end}.sheet-card{width:100%;max-width:none;border-radius:30px 30px 0 0;padding-bottom:max(24px,env(safe-area-inset-bottom))}.sheet-handle{display:block;width:42px;height:5px;margin:-10px auto 18px;border:0;border-radius:99px;background:#d5dbe1}}
@media(max-width:440px){.community-intro h1{font-size:26px}.community-intro p{font-size:14px}.intro-actions{display:grid}.filter-tabs button{padding:0 10px}.feed-grid{column-gap:7px}.real-post,.post-skeleton{margin-bottom:7px}.text-preview.size-0{min-height:170px}.text-preview.size-1{min-height:215px}.text-preview.size-2{min-height:150px}.text-preview.size-3{min-height:195px}.post-stats{gap:4px}.post-author b{max-width:58px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
.account-body h3{margin-top:0}.text-preview{color:var(--text);background:#edf3f8;border-bottom:1px solid var(--line)}.text-preview.size-0{background:#edf4fa}.text-preview.size-1{background:#f2f0f8}.text-preview.size-2{background:#f6f1ec}.text-preview.size-3{background:#eef4f1}.text-preview small{color:#74808b}.text-preview p{color:#252a31}.space-text{margin:0;color:var(--text);font-size:15px;line-height:1.7;white-space:pre-wrap}.space-post .post-copy{padding-top:13px}.space-post .post-media:after{content:"动态";position:absolute;right:10px;top:10px;padding:5px 8px;border-radius:99px;color:#fff;background:rgba(37,42,49,.72);font-size:10px;font-weight:800}.post-skeleton{height:auto!important;padding:0 0 13px;border:1px solid var(--line);background:#fff;animation:skeletonBreathe 1.35s ease-in-out infinite}.post-skeleton:after{display:none}.post-skeleton i{display:block;height:190px;background:#edf1f4}.post-skeleton.tall i{height:255px}.post-skeleton b,.post-skeleton span{display:block;margin:13px 13px 0;border-radius:99px;background:#edf1f4}.post-skeleton b{width:72%;height:14px}.post-skeleton span{width:43%;height:10px}@keyframes skeletonBreathe{0%,100%{opacity:.62}50%{opacity:1}}
.placeholder-mark{display:block;margin:auto 0 0;color:rgba(7,136,245,.2);font-size:74px;line-height:.85;font-weight:950;letter-spacing:-.08em}
*{-webkit-tap-highlight-color:transparent;scrollbar-width:none;-ms-overflow-style:none}*::-webkit-scrollbar{display:none;width:0;height:0}button:focus:not(:focus-visible),a:focus:not(:focus-visible){outline:none}.feed-toolbar{margin-bottom:0}.feed-grid{margin-top:14px}
@media(max-width:780px){.feed-grid{margin-top:10px}}
.rail-nav{display:grid;gap:7px}.site-footer{padding:0 16px 34px}.footer-inner{width:min(100%,1260px);margin:auto;padding:25px 28px;border:1px solid var(--line);border-radius:25px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:28px;background:#fff}.footer-brand{display:flex;align-items:center;gap:11px}.footer-brand img{width:42px;height:42px;border-radius:14px}.footer-brand div{display:grid;gap:3px}.footer-brand b{font-size:16px}.footer-brand span,.footer-record{color:var(--muted);font-size:11px}.footer-links{display:flex;align-items:center;gap:18px;font-size:12px;font-weight:700}.footer-links button{padding:0;border:0;background:transparent;font-weight:700;cursor:pointer}.footer-links a:hover,.footer-links button:hover{color:var(--blue)}.footer-record{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:5px 12px;text-align:right}.footer-record small{width:100%;font-size:10px}
@media(max-width:780px){.feed-toolbar{position:static;margin:10px 0 0;padding:0;border:0;background:transparent;box-shadow:none}.filter-tabs{padding:4px;border-radius:999px;gap:0;background:#e9edf2}.filter-tabs button{flex:1;height:36px;padding:0 6px}.filter-tabs button.active{color:var(--text);background:#fff;box-shadow:0 4px 12px rgba(37,50,64,.1)}.site-footer{padding:2px 10px 22px}.footer-inner{padding:21px;border-radius:23px;grid-template-columns:1fr;gap:18px}.footer-links{order:3;justify-content:flex-start;gap:16px}.footer-record{justify-content:flex-start;text-align:left}.footer-record small{margin-top:3px}}
.real-post.card-enter{animation:cardEnter .48s cubic-bezier(.2,.8,.2,1) both;animation-delay:var(--enter-delay,0ms)}@keyframes cardEnter{0%{opacity:0;transform:translateY(18px) scale(.975)}100%{opacity:1;transform:none}}.post-media{isolation:isolate}.post-media:before{content:"";position:absolute;inset:0;z-index:1;background:#edf1f4;animation:mediaBreathe 1.15s ease-in-out infinite;transition:opacity .28s ease .08s}.post-media img{position:relative;z-index:2;opacity:0;transform:scale(1.025);transition:opacity .42s ease var(--media-delay,0ms),transform .55s cubic-bezier(.2,.8,.2,1) var(--media-delay,0ms)}.post-media.media-loaded:before{opacity:0;animation:none}.post-media.media-loaded img{opacity:1;transform:none}.post-media.media-failed:before{animation:none;background:#edf3f6}.post-skeleton{animation:none}.post-skeleton i,.post-skeleton b,.post-skeleton span{animation:skeletonPiece 1.05s ease-in-out infinite}.post-skeleton:nth-child(2) i,.post-skeleton:nth-child(2) b,.post-skeleton:nth-child(2) span{animation-delay:.12s}.post-skeleton:nth-child(3) i,.post-skeleton:nth-child(3) b,.post-skeleton:nth-child(3) span{animation-delay:.2s}.post-skeleton:nth-child(4) i,.post-skeleton:nth-child(4) b,.post-skeleton:nth-child(4) span{animation-delay:.28s}@keyframes skeletonPiece{0%,100%{opacity:.42;transform:translateY(0)}50%{opacity:1;transform:translateY(-2px)}}@keyframes mediaBreathe{0%,100%{opacity:.55}50%{opacity:1}}
@media(prefers-reduced-motion:reduce){.real-post.card-enter,.post-media:before,.post-skeleton i,.post-skeleton b,.post-skeleton span{animation:none!important}.post-media img{transition:none!important}}