*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
body{background:#000;color:#eee;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;overflow:hidden;height:100vh;width:100vw}

/* ===== 顶部导航 ===== */
.top-nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:12px 16px;display:flex;align-items:center;gap:0;background:linear-gradient(180deg,rgba(0,0,0,.9),transparent)}
.top-nav .tabs{display:flex;gap:0;flex:1;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap;scrollbar-width:none}.top-nav .tabs::-webkit-scrollbar{display:none}
.top-nav .tab{padding:6px 14px;font-size:15px;font-weight:500;color:#999;background:none;border:none;cursor:pointer;position:relative;transition:color .2s}
.top-nav .tab.active{color:#fff;font-size:16px;font-weight:700}
.top-nav .tab.active::after{content:'';position:absolute;bottom:-4px;left:50%;transform:translateX(-50%);width:16px;height:3px;background:#FE2C55;border-radius:1.5px}
.top-nav .search-btn{color:#fff;font-size:20px;background:none;border:none;cursor:pointer;padding:4px 8px;text-decoration:none}
.top-nav > .hamburger-btn{font-size:18px;padding:6px 10px;flex-shrink:0;color:#fff;background:none;border:none;cursor:pointer}

/* ===== 全屏信息流 ===== */
.content-scroll{position:fixed;top:48px;left:0;right:0;bottom:60px;overflow-y:scroll;scroll-snap-type:y mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch}
.content-scroll::-webkit-scrollbar{display:none}

/* 关键修复：postList 需要显式 height，否则 post-card 的 height:100% 会计算为0（子元素全为绝对定位，无流内高度） */
#postList{height:100%}

.post-card{position:relative;width:100%;height:100%;scroll-snap-align:start;scroll-snap-stop:always;background:#000;overflow:hidden;display:flex;align-items:center;justify-content:center}
.post-card .post-bg{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:0}
.post-card .post-gradient{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;z-index:0}
.post-card .post-gradient .grad-text{padding:40px;font-size:1.2rem;line-height:1.9;color:#fff;text-shadow:0 2px 16px rgba(0,0,0,.7);text-align:center;max-width:90%;word-break:break-word}

/* 渐变色卡 */
.grad-0{background:linear-gradient(135deg,#FE2C55,#FF6B6B)}
.grad-1{background:linear-gradient(135deg,#8338EC,#3A86FF)}
.grad-2{background:linear-gradient(135deg,#FFBE0B,#FF9800)}
.grad-3{background:linear-gradient(135deg,#06D6A0,#00B4D8)}
.grad-4{background:linear-gradient(135deg,#FF006E,#FB5607)}
.grad-5{background:linear-gradient(135deg,#3A86FF,#00F5D4)}

/* 多图圆点指示器 */
.image-dots{position:absolute;top:16px;left:50%;transform:translateX(-50%);display:flex;gap:6px;z-index:5}
.image-dots .dot{width:6px;height:6px;border-radius:3px;background:rgba(255,255,255,.4);transition:all .3s}
.image-dots .dot.active{width:18px;background:#FE2C55}

/* 图片加载占位 */
.img-loader-wrapper{position:absolute;top:0;left:0;width:100%;height:100%;background:#1a1a1a;z-index:0}
.img-loader-spinner{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:30px;height:30px;border:2.5px solid rgba(255,255,255,.12);border-top-color:#FE2C55;border-radius:50%;animation:imgSpin .7s linear infinite;z-index:1}
@keyframes imgSpin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.img-loader-wrapper img.post-bg{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:2;opacity:0;transition:opacity .35s}
.img-loader-wrapper img.post-bg.loaded{opacity:1}
.img-loader-wrapper img.post-bg.img-error{opacity:.25;object-fit:contain;padding:50px;background:#1a1a1a}
.post-gradient{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:30px;box-sizing:border-box;z-index:2}
.grad-text{color:#fff;font-size:14px;line-height:1.6;text-align:center;text-shadow:0 1px 3px rgba(0,0,0,.4);display:-webkit-box;-webkit-line-clamp:6;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}

.post-card .bottom-gradient{position:absolute;bottom:0;left:0;right:0;height:50%;background:linear-gradient(0deg,rgba(0,0,0,.95),transparent);z-index:1;pointer-events:none}

/* ===== 右侧互动面板（抖音风格） ===== */
.sidebar{position:absolute;right:12px;bottom:90px;z-index:10;display:flex;flex-direction:column;align-items:center;gap:22px}

.sidebar-avatar-wrap{position:relative;display:flex;flex-direction:column;align-items:center}
.sidebar-avatar-link{display:block;position:relative}
.sidebar-avatar-img{width:44px;height:44px;border-radius:50%;border:2px solid #fff;object-fit:cover;display:block;transition:transform .15s}
.sidebar-avatar-img:active{transform:scale(.92)}
.sidebar-follow-badge{position:absolute;bottom:-4px;left:50%;transform:translateX(-50%);width:22px;height:22px;border-radius:50%;background:#FE2C55;color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;line-height:1;cursor:pointer;border:1.5px solid #000;transition:transform .15s;z-index:2;user-select:none}
.sidebar-follow-badge:active{transform:translateX(-50%) scale(.85)}
.sidebar-follow-badge.followed{background:#666;font-size:12px}

.sidebar-action{display:flex;flex-direction:column;align-items:center;gap:4px;background:none;border:none;cursor:pointer;color:#fff;padding:0;transition:transform .1s;-webkit-tap-highlight-color:transparent}
.sidebar-action:active{transform:scale(.88)}
.sidebar-action .action-icon{width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;transition:background .2s;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.sidebar-action .action-icon svg{width:26px;height:26px;transition:transform .2s,fill .2s,stroke .2s}
.sidebar-action span{font-size:11px;font-weight:500;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.5);white-space:nowrap}

/* 点赞激活态 */
.sidebar-action.liked .action-icon{background:rgba(254,44,85,.18)}
.sidebar-action.liked .action-icon svg{fill:#FE2C55;stroke:#FE2C55;animation:likePulse .35s ease}
@keyframes likePulse{0%{transform:scale(1)}30%{transform:scale(1.35)}60%{transform:scale(.9)}100%{transform:scale(1)}}

/* 收藏激活态 */
.sidebar-action.favorited .action-icon{background:rgba(255,190,11,.18)}
.sidebar-action.favorited .action-icon svg{fill:#FFBE0B;stroke:#FFBE0B}

/* ===== 底部信息栏 ===== */
.info-bar{position:absolute;bottom:20px;left:12px;right:70px;z-index:10}
.info-bar .username{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.info-bar .username .avatar{width:36px;height:36px;border-radius:50%;border:2px solid #FE2C55;object-fit:cover}
.info-bar .username .name{font-size:15px;font-weight:700;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.6)}
.info-bar .content-text{font-size:14px;color:#eee;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-shadow:0 1px 4px rgba(0,0,0,.6);word-break:break-word;margin-bottom:4px}
.info-bar .bgm-tag{display:flex;align-items:center;gap:4px;color:#fff;font-size:11px;opacity:.8}

/* ===== 评论面板 - 白色简约UI（保持不变） ===== */
.comment-panel{position:fixed;bottom:0;left:0;right:0;z-index:200;background:#fff;max-height:70vh;border-radius:16px 16px 0 0;display:flex;flex-direction:column;transform:translateY(100%);transition:transform .3s ease;box-shadow:0 -2px 12px rgba(0,0,0,.08)}
.comment-panel.open{transform:translateY(0)}
.cp-header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid #f0f0f0}
.cp-header h3{font-size:15px;color:#222}
.cp-header .close-btn{background:none;border:none;color:#999;font-size:18px;cursor:pointer}
.reply-to-bar{display:flex;align-items:center;gap:10px;padding:8px 16px;background:#fff3f5;color:#FE2C55;font-size:13px;border:1px solid #ffe0e5;border-radius:8px;margin:6px 12px}
.reply-to-bar button{background:none;border:none;color:#999;cursor:pointer}
.comment-list{flex:1;overflow-y:auto;padding:8px 16px;min-height:200px;max-height:50vh;background:#fff}
.comment-input-area{display:flex;gap:10px;padding:10px 16px;border-top:1px solid #f0f0f0;background:#fff}
.comment-input-area input{flex:1;background:#f5f5f5;border:1px solid #eee;border-radius:20px;padding:10px 16px;color:#333;font-size:14px;outline:none}
.comment-input-area input:focus{border-color:#FE2C55}
.comment-input-area button{background:#FE2C55;border:none;color:#fff;border-radius:20px;padding:10px 18px;font-size:14px;cursor:pointer;white-space:nowrap}

.comment-item{padding:14px 0;border-bottom:1px solid #f5f5f5}
.comment-item:last-child{border-bottom:none}
.comment-item .ci-avatar{width:34px;height:34px;border-radius:50%;float:left;margin-right:10px;object-fit:cover;border:1px solid #eee}
.comment-item .ci-name{font-size:13px;color:#999;margin-bottom:3px}
.comment-item .ci-content{font-size:15px;color:#222;line-height:1.5;word-break:break-word}
.comment-item .ci-time{font-size:11px;color:#bbb;margin-top:2px}
.comment-item .ci-actions{display:flex;align-items:center;gap:16px;margin-top:6px}
.ci-like-btn{display:flex;align-items:center;gap:4px;background:none;border:none;color:#999;font-size:12px;cursor:pointer;padding:2px 4px}
.ci-like-btn:hover{color:#FE2C55}
.ci-like-btn.liked{color:#FE2C55}
.ci-like-btn.liked svg{fill:#FE2C55;stroke:#FE2C55}
.ci-reply-btn{color:#999;font-size:12px;cursor:pointer;background:none;border:none;padding:2px 4px}

/* 回复区域 */
.replies-wrap{margin-top:4px}
.replies-toggle{color:#999;font-size:12px;cursor:pointer;padding:6px 0 6px 44px}
.replies-toggle:hover{color:#FE2C55}
.reply-collapsed{display:none}
.replies-wrap.expanded .reply-collapsed{display:block}

.reply-item{margin-left:44px;margin-bottom:4px;padding:8px 0}
.reply-item .ci-avatar{width:24px;height:24px;border-radius:50%;float:left;margin-right:8px;object-fit:cover}
.reply-item .ci-name{font-size:12px;color:#666;margin-bottom:1px}
.reply-item .ci-name .reply-target{color:#FE2C55}
.reply-item .ci-content{font-size:13px;color:#333;line-height:1.4;word-break:break-word}
.reply-item .ci-time{font-size:10px;color:#999}
.reply-item .ci-actions{margin-top:4px}
.reply-item .ci-like-btn,.reply-item .ci-reply-btn{font-size:11px}

/* Smart Tabs（白色） */
.smart-tabs{display:flex;background:#fff;border-bottom:1px solid #f0f0f0}
.smart-tab{flex:1;text-align:center;padding:12px 0;font-size:14px;color:#999;cursor:pointer;border-bottom:2px solid transparent;transition:.2s;background:none;border-top:none;border-left:none;border-right:none;font-weight:500}
.smart-tab.active{color:#FE2C55;border-bottom-color:#FE2C55}
.smart-panel{display:none;padding:14px 16px;background:#fff;border-bottom:1px solid #f0f0f0;position:relative;z-index:5;overflow-y:auto;max-height:50vh}
.smart-panel.active{display:block}
.hot-tags{display:flex;flex-wrap:wrap;gap:8px}
.hot-tag{padding:6px 14px;border-radius:16px;font-size:13px;color:#fff;text-decoration:none;display:inline-block;transition:transform .15s}
.hot-tag:active{transform:scale(1.05)}
.related-post-link{display:flex;align-items:center;gap:6px;padding:10px 14px;background:#f7f8fc;border-radius:10px;color:#333;text-decoration:none;font-size:14px;line-height:1.5;transition:background .2s}
.related-post-link:hover{background:#eef0f7}
.related-post-link .rp-hash{color:#FE2C55;font-weight:700;font-size:16px;flex-shrink:0}

/* AI面板白色 */
.ai-panel{min-height:120px}
.ai-skeleton{display:flex;flex-direction:column;gap:14px;padding:4px 0}
.ai-skel-row{height:16px;border-radius:4px;background:linear-gradient(90deg,#eee 25%,#f5f5f5 50%,#eee 75%);background-size:200% 100%;animation:aiShimmer 1.5s infinite}
.ai-skel-row:nth-child(1){width:70%}
.ai-skel-row:nth-child(2){width:90%}
.ai-skel-row:nth-child(3){width:55%}
@keyframes aiShimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.ai-header{display:flex;align-items:center;gap:8px;margin-bottom:14px}
.ai-header .ai-icon{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0}
.ai-header .ai-title{font-size:15px;font-weight:600;color:#222}
.ai-summary{background:#f7f8fc;border-radius:10px;padding:14px 16px;margin-bottom:14px;border-left:3px solid #667eea}
.ai-summary .ai-summary-label{font-size:11px;color:#667eea;font-weight:600;margin-bottom:6px;letter-spacing:.5px}
.ai-summary .ai-summary-text{font-size:14px;color:#444;line-height:1.7}
.ai-tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:16px}
.ai-theme-tag{padding:4px 12px;border-radius:12px;font-size:12px;font-weight:500;color:#fff;display:inline-block}
.ai-sentiment-tag{padding:4px 12px;border-radius:12px;font-size:12px;font-weight:500;display:inline-flex;align-items:center;gap:4px}
.ai-sentiment-tag.positive{background:#e8f5e9;color:#2e7d32}
.ai-sentiment-tag.neutral{background:#f5f5f5;color:#757575}
.ai-sentiment-tag.negative{background:#fce4ec;color:#c62828}
.ai-detail{margin-bottom:10px}
.ai-detail p{font-size:14px;color:#555;line-height:1.8;margin-bottom:12px;text-indent:2em}
.ai-disclaimer{display:flex;align-items:center;gap:6px;padding-top:14px;margin-top:14px;border-top:1px solid #f0f0f0;font-size:11px;color:#bbb}
.ai-disclaimer .ai-dot{width:4px;height:4px;border-radius:50%;background:#ddd;flex-shrink:0}

/* 登录弹窗 */
.login-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);z-index:300;display:none;align-items:center;justify-content:center}
.login-modal.show{display:flex}
.login-box{background:#1a1a1a;border-radius:16px;padding:32px 24px;width:320px;max-width:90vw;text-align:center}
.login-box h3{color:#fff;margin-bottom:20px;font-size:18px}
.login-box input{width:100%;padding:12px;margin:8px 0;background:#2a2a2a;border:1px solid #444;border-radius:8px;color:#fff;font-size:14px;outline:none}
.login-box button{width:100%;padding:12px;margin-top:12px;background:#FE2C55;border:none;color:#fff;border-radius:8px;font-size:15px;cursor:pointer;font-weight:600}
.login-box .switch{color:#999;font-size:13px;margin-top:12px;cursor:pointer}

/* 公告栏 - 系统主题色深色设计 */
.announce-bar{position:fixed;top:48px;left:8px;right:8px;z-index:99;padding:10px 14px;display:flex;align-items:center;gap:10px;font-size:13px;border-radius:10px;background:rgba(30,30,30,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.06);box-shadow:0 4px 20px rgba(0,0,0,.3);transition:all .3s ease;opacity:1;transform:translateY(0)}
.announce-bar.hidden{opacity:0;transform:translateY(-10px);pointer-events:none}
.announce-bar .announce-icon{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#FE2C55,#FF6B6B);display:flex;align-items:center;justify-content:center;font-size:14px;box-shadow:0 2px 8px rgba(254,44,85,.35)}
.announce-bar .announce-text{flex:1;color:#e0e0e0;line-height:1.4;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-weight:500}
.announce-bar .announce-close{background:rgba(255,255,255,.06);border:none;color:rgba(255,255,255,.5);cursor:pointer;font-size:14px;padding:4px 8px;border-radius:6px;flex-shrink:0;transition:all .2s}
.announce-bar .announce-close:hover{color:#fff;background:rgba(255,255,255,.12)}

/* 汉堡菜单弹出面板 */
.hamburger-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.55);z-index:150;opacity:0;pointer-events:none;transition:opacity .25s}
.hamburger-overlay.open{opacity:1;pointer-events:auto}
.hamburger-menu{position:fixed;top:0;left:0;bottom:0;width:280px;max-width:85vw;z-index:151;background:#151515;transform:translateX(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;box-shadow:4px 0 24px rgba(0,0,0,.5)}
.hamburger-menu.open{transform:translateX(0)}
.hm-header{padding:24px 20px 20px;border-bottom:1px solid rgba(255,255,255,.06);display:flex;align-items:center;gap:12px}
.hm-user-avatar{width:48px;height:48px;border-radius:50%;border:2px solid #FE2C55;object-fit:cover}
.hm-user-info{flex:1;min-width:0}
.hm-user-name{font-size:16px;font-weight:700;color:#fff;margin-bottom:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hm-user-desc{font-size:12px;color:#777}
.hm-login-btn{background:#FE2C55;color:#fff;border:none;border-radius:16px;padding:7px 18px;font-size:13px;font-weight:600;cursor:pointer}
.hm-skel{display:inline-block;background:rgba(255,255,255,.08);border-radius:4px;height:14px;animation:hmSkelPulse 1.5s ease-in-out infinite;vertical-align:middle}
.hm-skel-wide{width:80px}
.hm-skel-narrow{width:50px}
@keyframes hmSkelPulse{0%,100%{opacity:.3}50%{opacity:.7}}
.hm-list{flex:1;overflow-y:auto;padding:12px 0}
.hm-list::-webkit-scrollbar{display:none}
.hm-item{display:flex;align-items:center;gap:14px;padding:14px 20px;color:#ccc;text-decoration:none;font-size:15px;transition:background .15s;cursor:pointer}
.hm-item:hover,.hm-item:active{background:rgba(255,255,255,.04);color:#fff}
.hm-item .hm-item-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.hm-item .hm-item-label{flex:1;font-weight:500}
.hm-item .hm-item-arrow{color:#555;font-size:14px}
.hm-item .hm-item-badge{margin-left:auto;background:#FE2C55;color:#fff;font-size:11px;min-width:20px;height:20px;line-height:20px;text-align:center;border-radius:10px;padding:0 6px;font-weight:600;margin-right:6px}
.hm-divider{height:1px;background:rgba(255,255,255,.04);margin:8px 20px}
.hm-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,.06);text-align:center;font-size:12px;color:#444}

/* 底部动态导航栏 */
.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:100;background:rgba(0,0,0,.95);display:flex;justify-content:space-around;padding:8px 0 env(safe-area-inset-bottom,0);border-top:1px solid rgba(255,255,255,.08);overflow:hidden;scrollbar-width:none}.bottom-nav::-webkit-scrollbar{display:none}
.bottom-nav .nav-item{display:flex;flex-direction:column;align-items:center;gap:3px;color:#999;font-size:10px;background:none;border:none;cursor:pointer;text-decoration:none}
.bottom-nav .nav-item .nav-icon{font-size:22px}
.bottom-nav .nav-item .nav-icon svg{width:24px;height:24px;display:block}
.bottom-nav .nav-item.active{color:#FE2C55}
.bottom-nav .nav-item.plus .nav-icon{background:#FE2C55;color:#fff;width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:20px}
.bottom-nav .nav-item.plus .nav-icon svg{width:24px;height:24px}
.nav-badge{position:absolute;top:-6px;right:-12px;background:#FE2C55;color:#fff;font-size:10px;min-width:18px;height:18px;line-height:18px;text-align:center;border-radius:9px;padding:0 5px;font-weight:600;border:1.5px solid #000}

/* Toast */
.toast{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:500;background:rgba(76,175,80,.9);color:#fff;padding:10px 24px;border-radius:20px;font-size:14px;opacity:0;transition:opacity .3s;pointer-events:none}
.toast.show{opacity:1}
.toast.error{background:rgba(244,67,54,.9)}

/* ===== 等级徽章 ===== */
.hm-level-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:12px;font-size:11px;font-weight:700;margin-top:6px;letter-spacing:.5px}
.hm-level-badge.lv1{background:rgba(158,158,158,.2);color:#9E9E9E}
.hm-level-badge.lv2{background:rgba(102,187,106,.2);color:#66BB6A;box-shadow:0 0 8px rgba(102,187,106,.3)}
.hm-level-badge.lv3{background:rgba(66,165,245,.2);color:#42A5F5;box-shadow:0 0 10px rgba(66,165,245,.35)}
.hm-level-badge.lv4{background:rgba(255,213,79,.2);color:#FFD54F;box-shadow:0 0 12px rgba(255,213,79,.4);animation:goldSpin 2s linear infinite}
.hm-level-badge.lv5{background:rgba(171,71,188,.2);color:#AB47BC;box-shadow:0 0 14px rgba(171,71,188,.35);animation:purpleBreathe 2s ease-in-out infinite}
.hm-level-badge.lv6{background:rgba(239,83,80,.2);color:#EF5350;box-shadow:0 0 12px rgba(239,83,80,.4);animation:redPulse 1.5s ease-in-out infinite}
.hm-level-badge.lv7{background:rgba(38,198,218,.2);color:#26C6DA;box-shadow:0 0 14px rgba(38,198,218,.4);animation:cyanFlow 2s linear infinite}
.hm-level-badge.lv8{background:rgba(236,64,122,.2);color:#EC407A;box-shadow:0 0 12px rgba(236,64,122,.35);animation:pinkGradient 2s linear infinite}
.hm-level-badge.lv9{color:#fff;background:transparent;animation:rainbowFlow 2s linear infinite}
.hm-level-badge.lv10{background:rgba(255,215,64,.2);color:#FFD740;box-shadow:0 0 16px rgba(255,215,64,.5);animation:lightningFlash .6s ease-in-out infinite}
.hm-level-badge .lv-icon{font-size:14px}

@keyframes goldSpin{0%{box-shadow:0 0 8px rgba(255,213,79,.3)}50%{box-shadow:0 0 18px rgba(255,213,79,.6)}100%{box-shadow:0 0 8px rgba(255,213,79,.3)}}
@keyframes purpleBreathe{0%{box-shadow:0 0 8px rgba(171,71,188,.2)}50%{box-shadow:0 0 20px rgba(171,71,188,.5)}100%{box-shadow:0 0 8px rgba(171,71,188,.2)}}
@keyframes redPulse{0%{transform:scale(1)}50%{transform:scale(1.05)}100%{transform:scale(1)}}
@keyframes cyanFlow{0%{box-shadow:0 0 8px rgba(38,198,218,.3),inset 0 0 4px rgba(38,198,218,.2)}50%{box-shadow:0 0 20px rgba(38,198,218,.6),inset 0 0 10px rgba(38,198,218,.4)}100%{box-shadow:0 0 8px rgba(38,198,218,.3),inset 0 0 4px rgba(38,198,218,.2)}}
@keyframes pinkGradient{0%{box-shadow:0 0 8px rgba(236,64,122,.3)}50%{box-shadow:0 0 18px rgba(236,64,122,.7)}100%{box-shadow:0 0 8px rgba(236,64,122,.3)}}
@keyframes rainbowFlow{0%{background:conic-gradient(#ff0000,#ff8800,#ffff00,#00ff00,#0088ff,#8800ff,#ff0000);-webkit-background-clip:text;-webkit-text-fill-color:transparent}25%{background:conic-gradient(#ff8800,#ffff00,#00ff00,#0088ff,#8800ff,#ff0000,#ff8800);-webkit-background-clip:text;-webkit-text-fill-color:transparent}50%{background:conic-gradient(#ffff00,#00ff00,#0088ff,#8800ff,#ff0000,#ff8800,#ffff00);-webkit-background-clip:text;-webkit-text-fill-color:transparent}75%{background:conic-gradient(#00ff00,#0088ff,#8800ff,#ff0000,#ff8800,#ffff00,#00ff00);-webkit-background-clip:text;-webkit-text-fill-color:transparent}100%{background:conic-gradient(#ff0000,#ff8800,#ffff00,#00ff00,#0088ff,#8800ff,#ff0000);-webkit-background-clip:text;-webkit-text-fill-color:transparent}}
@keyframes lightningFlash{0%{opacity:1;text-shadow:0 0 8px rgba(255,215,64,.5)}25%{opacity:.5;text-shadow:0 0 20px rgba(255,215,64,.9)}50%{opacity:1;text-shadow:0 0 6px rgba(255,215,64,.4)}75%{opacity:.3;text-shadow:0 0 24px rgba(255,215,64,1)}100%{opacity:1;text-shadow:0 0 8px rgba(255,215,64,.5)}}

/* ===== 签到 XP 飘字动画 ===== */
.xp-float{position:fixed;z-index:999;font-size:22px;font-weight:800;color:#4CAF50;text-shadow:0 0 12px rgba(76,175,80,.6),0 2px 8px rgba(0,0,0,.5);pointer-events:none;animation:xpRise 2s ease-out forwards;white-space:nowrap}
@keyframes xpRise{0%{opacity:1;transform:translateY(0) scale(1)}20%{opacity:1;transform:translateY(-30px) scale(1.15)}100%{opacity:0;transform:translateY(-120px) scale(1)}}

/* ===== 签到面板 ===== */
.signin-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);z-index:200;display:none;align-items:center;justify-content:center}
.signin-overlay.show{display:flex}
.signin-panel{background:#1a1a1a;border-radius:16px;padding:28px 24px;width:300px;max-width:90vw;text-align:center;border:1px solid rgba(255,255,255,.06)}
.signin-panel .signin-icon{font-size:48px;margin-bottom:12px}
.signin-panel h3{color:#fff;font-size:18px;margin-bottom:6px}
.signin-panel .signin-streak{color:#FFD54F;font-size:13px;margin-bottom:12px}
.signin-panel .signin-btn{background:linear-gradient(135deg,#4CAF50,#66BB6A);color:#fff;border:none;border-radius:24px;padding:12px 40px;font-size:15px;font-weight:700;cursor:pointer;transition:opacity .2s;width:100%}
.signin-panel .signin-btn:active{opacity:.8}
.signin-panel .signin-btn:disabled{background:#555;cursor:default}
.signin-panel .signin-result{margin-top:14px;font-size:14px;color:#4CAF50;font-weight:600;min-height:20px}
.signin-panel .signin-close{background:none;border:none;color:#777;margin-top:16px;cursor:pointer;font-size:13px}

/* ===== 彩虹头像 ===== */
.rainbow-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative;background:conic-gradient(#FF0080,#FF8C00,#FFE600,#00E676,#00B0FF,#651FFF,#FF0080);animation:rainbow-spin 3s linear infinite;box-shadow:0 2px 8px rgba(0,0,0,.3);flex-shrink:0}
.rainbow-avatar::before{content:'';position:absolute;inset:3px;border-radius:50%;background:#1a1a1a}
.rainbow-avatar .avatar-letter{position:relative;z-index:1;color:#fff;font-weight:700;font-size:16px;line-height:1}
@keyframes rainbow-spin{to{transform:rotate(360deg)}}

/* 汉堡菜单头像（用彩虹头像替换原有 img） */
.hm-user-avatar{width:48px !important;height:48px !important;display:flex !important;align-items:center;justify-content:center;border-radius:50% !important}.hm-user-avatar .avatar-letter{font-size:19px !important}

/* 侧边栏头像 */
.sidebar-avatar-img{width:44px !important;height:44px !important;display:flex !important;align-items:center;justify-content:center;border-radius:50% !important;border:2px solid #fff !important;float:none !important}.sidebar-avatar-img .avatar-letter{font-size:18px !important}

/* 底部信息栏头像 */
.info-bar .username .avatar{width:36px !important;height:36px !important;display:flex !important;align-items:center;justify-content:center;border-radius:50% !important;border:2px solid #FE2C55 !important;float:none !important}.info-bar .username .avatar .avatar-letter{font-size:14px !important}

/* 评论区头像 */
.ci-avatar{float:left;display:flex !important;align-items:center;justify-content:center;border-radius:50% !important}.comment-item .ci-avatar{width:34px !important;height:34px !important;margin-right:10px}.comment-item .ci-avatar .avatar-letter{font-size:14px !important}.reply-item .ci-avatar{width:24px !important;height:24px !important;margin-right:8px}.reply-item .ci-avatar .avatar-letter{font-size:10px !important}