*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
:root{--red:#fe2c55;--bg:#000;--panel:#161616;--panel2:#1f1f1f;--line:#2a2a2a;--text:#fff;--muted:#a8a8a8;--tab-h:58px}
html,body{height:100%;background:#0a0a0a;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,textarea{font:inherit;color:var(--text)}
.hidden{display:none!important}
#phone{max-width:430px;margin:0 auto;height:100dvh;background:var(--bg);position:relative;overflow:hidden;display:flex;flex-direction:column}
@media(min-width:500px){#phone{border-left:1px solid #222;border-right:1px solid #222}}
.view{flex:1;display:flex;flex-direction:column;min-height:0}
#app{flex:1;display:flex;flex-direction:column;min-height:0}
#main{flex:1;min-height:0;display:flex;flex-direction:column;position:relative}
/* auth */
.view-auth{justify-content:center;padding:28px 24px;background:#000}
.auth-logo{font-size:34px;font-weight:800;letter-spacing:.5px}
.auth-logo span{color:var(--red);margin-left:8px;font-size:22px}
.auth-sub{color:var(--muted);margin:10px 0 28px;font-size:14px}
.seg{display:flex;background:var(--panel2);border-radius:10px;padding:3px;gap:3px;margin-bottom:18px}
.seg-btn{flex:1;padding:9px 4px;border-radius:8px;color:var(--muted);font-size:14px;position:relative}
.seg-btn.active{background:#333;color:#fff;font-weight:600}
.seg-sm .seg-btn{font-size:13px;padding:7px 4px}
.dot-badge{display:inline-flex;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--red);color:#fff;font-size:11px;align-items:center;justify-content:center;font-weight:700;vertical-align:2px}
.field{display:block;margin-bottom:14px}
.field>span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.field input,.field textarea{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 14px;outline:none;resize:none}
.field input:focus,.field textarea:focus{border-color:#555}
.btn-primary{width:100%;background:var(--red);color:#fff;font-weight:700;font-size:16px;padding:13px;border-radius:10px;margin-top:4px}
.btn-primary:disabled{opacity:.55}
.btn-ghost{width:100%;padding:12px;color:var(--muted);margin-top:6px}
.btn-danger-ghost{width:100%;padding:13px;border:1px solid var(--line);border-radius:10px;color:#ff5b74;margin:22px 0 8px;background:var(--panel)}
.btn-small{background:var(--red);color:#fff;padding:9px 16px;border-radius:8px;font-weight:600;white-space:nowrap}
.btn-send{background:var(--red);color:#fff;padding:9px 16px;border-radius:999px;font-weight:600;white-space:nowrap}
.btn-send:disabled{opacity:.5}
.form-err{color:#ff5b74;font-size:13px;min-height:18px;margin:2px 0 6px}
.auth-hint{color:#777;font-size:12px;margin-top:14px;line-height:1.6;text-align:center}
/* tabbar */
#tabbar{height:calc(var(--tab-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(0,0,0,.96);border-top:1px solid #1c1c1c;display:flex;align-items:stretch;z-index:40;flex-shrink:0}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:#888;position:relative}
.tab.active{color:#fff;font-weight:600}
.tab-ico{font-size:19px;line-height:1}
.tab .dot-badge{position:absolute;top:6px;right:calc(50% - 20px)}
.tab-publish{align-items:center;justify-content:center}
.publish-plus{display:flex;width:46px;height:32px;border-radius:9px;background:var(--red);color:#fff;font-size:24px;font-weight:700;align-items:center;justify-content:center;line-height:1;box-shadow:3px 0 0 #25f4ee,-3px 0 0 rgba(37,244,238,.35)}
.tab-publish:active .publish-plus{transform:scale(.94)}
/* feed */
.view-feed{position:relative;background:#000}
.feed-topbar{position:absolute;top:0;left:0;right:0;z-index:20;display:flex;justify-content:center;gap:14px;align-items:baseline;padding:calc(12px + env(safe-area-inset-top)) 16px 18px;background:linear-gradient(rgba(0,0,0,.55),transparent);pointer-events:none}
.topbar-title{font-size:17px;font-weight:700;border-bottom:2px solid #fff;padding-bottom:3px}
.topbar-sub{font-size:13px;color:rgba(255,255,255,.65)}
.feed{flex:1;overflow-y:auto;scroll-snap-type:y mandatory;scrollbar-width:none}
.feed::-webkit-scrollbar{display:none}
.feed-in-page{flex:none;height:100%}
#friends-works-pane{flex:1;min-height:0;display:flex;flex-direction:column;position:relative}
.slide{height:100%;scroll-snap-align:start;scroll-snap-stop:always;position:relative;background:#050505;overflow:hidden}
.slide-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000}
.scene-bg{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:40px 28px 120px;text-align:center;animation:sceneShift 9s ease-in-out infinite alternate}
@keyframes sceneShift{from{filter:brightness(.92)}to{filter:brightness(1.12)}}
.scene-title{font-size:34px;font-weight:800;line-height:1.35;text-shadow:0 2px 18px rgba(0,0,0,.45);word-break:break-word}
.scene-kind{position:absolute;top:70px;left:16px;background:rgba(0,0,0,.35);padding:4px 10px;border-radius:999px;font-size:12px}
.play-hint{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:64px;color:rgba(255,255,255,.85);pointer-events:none;text-shadow:0 2px 16px rgba(0,0,0,.6)}
.slide-bottom{position:absolute;left:12px;right:84px;bottom:14px;z-index:5;text-shadow:0 1px 6px rgba(0,0,0,.7)}
.slide-author{font-weight:700;font-size:16px;margin-bottom:6px}
.slide-author .friend-tag{font-size:11px;background:var(--red);border-radius:4px;padding:1px 6px;margin-left:6px;vertical-align:2px;font-weight:600}
.slide-title{font-size:15px;line-height:1.45;margin-bottom:4px;word-break:break-word}
.slide-desc{font-size:13px;color:rgba(255,255,255,.85);line-height:1.5;word-break:break-word}
.slide-time{font-size:11px;color:rgba(255,255,255,.55);margin-top:6px}
.rail{position:absolute;right:8px;bottom:12px;z-index:6;display:flex;flex-direction:column;align-items:center;gap:16px}
.rail-btn{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:12px;font-weight:600;text-shadow:0 1px 5px rgba(0,0,0,.8)}
.rail-ico{width:46px;height:46px;border-radius:50%;background:rgba(20,20,20,.45);display:flex;align-items:center;justify-content:center;font-size:23px;backdrop-filter:blur(2px)}
.rail-btn:active .rail-ico{transform:scale(.9)}
.rail-btn.liked .rail-ico{color:var(--red)}
.rail-btn.faved .rail-ico{color:#fac646}
@keyframes heartPop{0%{transform:scale(1)}35%{transform:scale(1.45)}100%{transform:scale(1)}}
.rail-btn.pop .rail-ico{animation:heartPop .35s ease}
.big-heart{position:absolute;left:50%;top:42%;transform:translate(-50%,-50%);font-size:96px;color:var(--red);pointer-events:none;z-index:8;animation:bigHeart .7s ease forwards;text-shadow:0 4px 24px rgba(0,0,0,.5)}
@keyframes bigHeart{0%{opacity:0;transform:translate(-50%,-50%) scale(.4)}25%{opacity:1;transform:translate(-50%,-50%) scale(1.15)}60%{opacity:1;transform:translate(-50%,-50%) scale(1)}100%{opacity:0;transform:translate(-50%,-60%) scale(1.05)}}
.feed-state{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:32px;text-align:center;color:var(--muted);font-size:14px;line-height:1.7;pointer-events:none}
.feed-state:empty{display:none}
.feed-state button{pointer-events:auto}
.feed-state-in-page{position:absolute}
.empty-cta{margin-top:12px;background:var(--red);color:#fff;padding:10px 22px;border-radius:999px;font-weight:600;pointer-events:auto}
/* avatar */
.avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;color:#fff;flex-shrink:0;border:2px solid rgba(255,255,255,.85)}
.avatar-sm{width:32px;height:32px;font-size:13px;border:none}
.avatar-lg{width:72px;height:72px;font-size:28px;border:none}
/* pages */
.page-head{padding:calc(14px + env(safe-area-inset-top)) 16px 10px;flex-shrink:0}
.page-head h1{font-size:22px;margin-bottom:4px}
.page-sub{color:var(--muted);font-size:13px}
.page-head .seg{margin:10px 0 2px}
.scroll-pane{flex:1;overflow-y:auto;padding:6px 16px 20px;min-height:0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:14px}
.card h2{font-size:15px;margin-bottom:12px}
.muted{color:var(--muted);font-weight:400;font-size:12px}
.search-row{display:flex;gap:8px}
.search-row input{flex:1;background:#0d0d0d;border:1px solid var(--line);border-radius:9px;padding:10px 12px;outline:none;min-width:0}
.user-list{display:flex;flex-direction:column}
.user-row{display:flex;align-items:center;gap:11px;padding:10px 2px;border-bottom:1px solid #232323}
.user-row:last-child{border-bottom:none}
.user-meta{flex:1;min-width:0}
.user-meta strong{display:block;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-meta span{font-size:12px;color:var(--muted)}
.btn-mini{padding:7px 13px;border-radius:999px;background:#2c2c2c;font-size:13px;font-weight:600;white-space:nowrap}
.btn-mini.primary{background:var(--red);color:#fff}
.btn-mini:disabled{opacity:.5}
.empty-text{color:var(--muted);font-size:13px;padding:10px 2px;line-height:1.6}
/* publish */
.publish-pane{padding-top:14px}
.upload-box{display:flex;flex-direction:column;align-items:center;gap:6px;border:1.5px dashed #444;border-radius:14px;padding:34px 16px;margin-bottom:14px;color:var(--muted);cursor:pointer;text-align:center}
.upload-plus{font-size:38px;color:#fff;line-height:1}
.upload-text{color:#ddd;font-size:14px;word-break:break-all}
.upload-hint{font-size:12px}
.preview-video{width:100%;max-height:300px;border-radius:12px;background:#000;margin-bottom:14px}
.scene-preview{height:170px;border-radius:14px;display:flex;align-items:center;justify-content:center;padding:20px;text-align:center;font-size:22px;font-weight:800;margin-bottom:14px;text-shadow:0 2px 12px rgba(0,0,0,.4)}
.label-text{font-size:13px;color:var(--muted);margin-bottom:8px}
.hue-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.hue-dot{width:38px;height:38px;border-radius:50%;border:2px solid transparent}
.hue-dot.active{border-color:#fff;transform:scale(1.12)}
.progress{height:5px;background:#2a2a2a;border-radius:3px;overflow:hidden;margin:6px 0 12px}
.progress-bar{height:100%;width:30%;background:var(--red);border-radius:3px;transition:width .3s}
/* messages / chat */
.thread-row{display:flex;gap:12px;align-items:center;padding:13px 2px;border-bottom:1px solid #1e1e1e;cursor:pointer;width:100%;text-align:left}
.thread-meta{flex:1;min-width:0}
.thread-top{display:flex;justify-content:space-between;gap:8px}
.thread-top strong{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thread-time{font-size:11px;color:#777;white-space:nowrap}
.thread-last{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px}
.unread-dot{min-width:19px;height:19px;padding:0 5px;border-radius:10px;background:var(--red);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center}
.chat-head{display:flex;align-items:center;gap:10px;padding:calc(10px + env(safe-area-inset-top)) 12px 10px;border-bottom:1px solid var(--line);flex-shrink:0}
.icon-btn{font-size:22px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;color:#ddd;flex-shrink:0}
.chat-peer strong{display:block;font-size:16px}
.chat-peer span{font-size:12px;color:var(--muted)}
.flex-spacer{flex:1}
.chat-list{flex:1;overflow-y:auto;padding:14px 12px;display:flex;flex-direction:column;gap:10px;min-height:0}
.msg-row{display:flex;gap:8px;align-items:flex-end;max-width:100%}
.msg-row.mine{flex-direction:row-reverse}
.bubble{max-width:72%;background:#262626;border-radius:16px 16px 16px 4px;padding:9px 13px;font-size:15px;line-height:1.5;word-break:break-word}
.msg-row.mine .bubble{background:var(--red);border-radius:16px 16px 4px 16px;color:#fff}
.msg-time{font-size:10px;color:#666;text-align:center;margin:2px 0}
.video-card{width:190px;border-radius:12px;overflow:hidden;background:#111;border:1px solid #333;cursor:pointer;text-align:left;padding:0;color:#fff}
.video-card-media{height:120px;display:flex;align-items:center;justify-content:center;font-size:30px;position:relative}
.video-card-media video{width:100%;height:100%;object-fit:cover}
.video-card-body{padding:8px 10px}
.video-card-body strong{display:block;font-size:13px;line-height:1.4;word-break:break-word}
.video-card-body span{font-size:11px;color:var(--muted)}
.chat-inputbar,.sheet-inputbar{display:flex;gap:8px;align-items:center;padding:10px 12px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#0d0d0d;flex-shrink:0}
.chat-inputbar input,.sheet-inputbar input{flex:1;background:var(--panel2);border:none;border-radius:999px;padding:11px 15px;outline:none;min-width:0}
/* me */
.me-head{display:flex;gap:16px;align-items:center;padding:18px 2px 6px}
.me-info h1{font-size:21px}
.me-account{color:var(--muted);font-size:13px;margin-top:4px}
.me-stats{display:flex;padding:14px 0 18px}
.stat{flex:1;text-align:center;display:flex;flex-direction:column;gap:2px}
.stat strong{font-size:19px}
.stat span{font-size:12px;color:var(--muted)}
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
.work-cell{aspect-ratio:3/4;position:relative;overflow:hidden;background:#181818;cursor:pointer;border:none;padding:0}
.work-cell video,.work-cell .cell-scene{width:100%;height:100%;object-fit:cover;display:flex;align-items:center;justify-content:center;padding:8px;font-size:12px;font-weight:700;text-align:center;color:#fff;word-break:break-word}
.work-cell .cell-count{position:absolute;left:6px;bottom:5px;font-size:11px;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.9)}
.version-text{text-align:center;color:#555;font-size:11px;padding:8px 0 20px}
/* sheets */
.sheet-mask{position:absolute;inset:0;background:rgba(0,0,0,.55);z-index:50}
.sheet{position:absolute;left:0;right:0;bottom:0;max-height:72dvh;background:#141414;border-radius:18px 18px 0 0;z-index:60;display:flex;flex-direction:column;animation:sheetUp .22s ease}
@keyframes sheetUp{from{transform:translateY(30px);opacity:.6}to{transform:none;opacity:1}}
.sheet-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 8px}
.sheet-sub{color:var(--muted);font-size:13px;padding:0 16px 8px;line-height:1.6}
.sheet-list{overflow-y:auto;padding:0 16px 18px}
.comment-list{overflow-y:auto;padding:4px 16px 10px;min-height:120px}
.comment-row{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid #202020}
.comment-body{flex:1;min-width:0}
.comment-body .c-name{font-size:13px;color:var(--muted)}
.comment-body .c-text{font-size:14px;line-height:1.55;margin-top:2px;word-break:break-word}
.comment-body .c-time{font-size:11px;color:#666;margin-top:3px}
/* toast */
.toast{position:fixed;left:50%;bottom:96px;transform:translateX(-50%);background:rgba(30,30,30,.95);border:1px solid #3a3a3a;color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;z-index:99;max-width:86vw;text-align:center;box-shadow:0 6px 24px rgba(0,0,0,.5)}
.loading-text{color:var(--muted);text-align:center;padding:22px;font-size:14px}
/* v2: 4K 上传信息 + E2E 加密标识 */
.file-meta{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:13px;line-height:1.7;margin-bottom:10px;color:#ddd}
.file-meta .res-badge{display:inline-block;background:var(--red);color:#fff;font-weight:700;font-size:12px;padding:1px 8px;border-radius:5px;margin-right:8px;vertical-align:1px}
.file-meta .meta-dim{color:var(--muted)}
.quality-note{border-radius:10px;padding:11px 13px;font-size:13px;line-height:1.6;margin-bottom:14px;border:1px solid}
.quality-note.ok{background:rgba(28,160,90,.13);border-color:rgba(28,180,100,.45);color:#7de2a8}
.quality-note.warn{background:rgba(230,150,20,.13);border-color:rgba(230,160,30,.5);color:#ffd08a}
.progress-text{font-size:12px;color:var(--muted);margin:2px 0 10px;min-height:16px}
.chat-lock{display:block;font-size:11px;color:#7de2a8;margin-top:2px}
.enc-placeholder{background:#1c1c1c!important;color:#999!important;border:1px dashed #3d3d3d;font-size:13px}
.msg-lock-ico{font-size:11px;color:#7de2a8;margin-top:3px}
.video-card .lock-line{font-size:11px;color:#7de2a8}
/* v3: 邮箱三步注册 */
.code-row{display:flex;gap:8px}
.code-row input{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 14px;outline:none;min-width:0}
.code-row input:focus{border-color:#555}
.code-row .btn-small{align-self:stretch;display:flex;align-items:center}
.code-row .btn-small:disabled{opacity:.5}
.reg-steps{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.reg-step.active{color:#fff;font-weight:700}
.reg-arrow{color:#555}