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.icon{font-size:3.5rem;margin-bottom:16px;opacity:.6}.scroll-progress{position:fixed;top:0;left:0;height:3px;z-index:999;background:linear-gradient(90deg,var(--primary),var(--accent),var(--primary));background-size:200% 100%;animation:progressGradient 3s linear infinite;transition:width .1s linear;border-radius:0 2px 2px 0}@keyframes progressGradient{0%{background-position:0% 0}to{background-position:200% 0}}.back-to-top{position:fixed;bottom:24px;right:24px;z-index:101;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;border:none;cursor:pointer;box-shadow:0 4px 16px #a8d8f066;font-size:1.3rem;transition:all .2s;display:flex;align-items:center;justify-content:center}@media (max-width: 768px){.back-to-top{bottom:calc(60px + env(safe-area-inset-bottom,0px))}}.back-to-top:hover{transform:translateY(-2px);box-shadow:0 6px 20px #a8d8f099}.account-switcher-panel{background:#ffffff8c;backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) 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var(--border)}.rank-item:hover{transform:translate(6px);box-shadow:var(--shadow)}.rank-number{font-size:1.4rem;font-weight:800;width:40px;text-align:center;color:var(--primary-dark);flex-shrink:0}.rank-number.top1{color:#f0c040}.rank-number.top2{color:#b0b0b0}.rank-number.top3{color:#cd7f32}.notif-badge{position:absolute;top:-4px;right:-6px;background:var(--danger);color:#fff;border-radius:50%;min-width:18px;height:18px;font-size:10px;display:flex;align-items:center;justify-content:center;font-weight:700}.page-enter{animation:fadeInUp .35s cubic-bezier(.22,1,.36,1)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:300;display:flex;align-items:flex-start;justify-content:center;animation:fadeIn .2s ease-out;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);overflow-y:auto;padding:40px 16px}.modal{background:var(--bg-card);color:var(--text);border-radius:var(--radius);padding:32px;max-width:520px;width:100%;box-shadow:0 20px 60px 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var(--warning);background:linear-gradient(135deg,var(--bg-card) 0%,rgba(240,192,64,.04) 100%)}[data-theme=dark] .post-pinned{background:linear-gradient(135deg,var(--bg-card) 0%,rgba(240,192,64,.06) 100%)}[data-theme=colorful] .post-pinned{background:linear-gradient(135deg,#ffffff8c,#f0c04014)}.post-pinned-tag{display:inline-flex;align-items:center;gap:4px;font-size:.7rem;font-weight:700;color:var(--warning);margin-bottom:8px;letter-spacing:.02em}.post-pinned-tag i{font-size:.65rem}.btn-icon{display:flex;align-items:center;gap:4px;background:none;border:none;cursor:pointer;color:var(--text-light);font-size:.9rem;padding:4px 8px;border-radius:8px;transition:all .2s}.btn-icon:hover{background:#e8837c14}.btn-icon.liked{color:var(--danger)}.btn-icon:active{transform:scale(.92)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInScale{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.animate-fade-in-scale{animation:fadeInScale .2s 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ease}input[type=search]:focus,input[placeholder*=搜索]:focus{border-color:var(--primary);background:var(--bg-card)}.post-actions button,.post-actions a{min-height:40px;min-width:40px;display:inline-flex;align-items:center;justify-content:center}.comment-card{border-radius:14px;padding:12px}a:active{opacity:.7;transition:opacity .1s ease}.profile-avatar{width:64px;height:64px;font-size:1.5rem}.btn-follow{padding:6px 16px;font-size:.8rem;border-radius:20px}.empty-state{padding:40px 20px;text-align:center}.empty-state i{font-size:2.5rem;margin-bottom:12px;opacity:.3}.spinner{width:32px;height:32px;border-width:2.5px;animation:miuiSpin .8s cubic-bezier(.4,0,.2,1) infinite}.img-preview-grid{gap:4px}.img-preview-item{width:64px;height:64px;border-radius:10px}.admin-stats-grid{grid-template-columns:repeat(2,1fr)}textarea.form-control{font-size:15px;line-height:1.6}.modal{padding:20px 16px calc(20px + env(safe-area-inset-bottom,0px))}.sidebar-mobile{border-radius:0 20px 20px 0;box-shadow:8px 0 30px #00000026}.settings-toggle{min-width:48px;min-height:26px}kbd{display:none}}@keyframes miuiToastIn{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes miuiShimmer{0%{background-position:-200px 0}50%{background-position:calc(200px + 100%) 0}to{background-position:-200px 0}}@keyframes notifPulse{0%,to{transform:scale(1)}50%{transform:scale(1.15)}}@keyframes miuiSpin{to{transform:rotate(360deg)}}.toast-popup-container{position:fixed;top:16px;right:16px;z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none;max-width:360px;width:calc(100vw - 32px)}.toast-popup-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg-card);border-radius:16px;backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);box-shadow:0 8px 32px #0000001f,0 2px 8px #0000000f;border:1px solid var(--border);cursor:pointer;pointer-events:auto;animation:toastSlideIn .4s cubic-bezier(.22,1,.36,1);transition:opacity .3s,transform .3s}.toast-popup-item:hover{transform:translate(-4px)}.toast-popup-icon{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;background:var(--primary-light)}.toast-popup-body{flex:1;min-width:0}.toast-popup-title{font-size:13px;font-weight:700;color:var(--text);margin-bottom:2px}.toast-popup-msg{font-size:12px;color:var(--text-light);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.toast-popup-close{background:none;border:none;cursor:pointer;color:var(--text-muted);font-size:14px;padding:4px;opacity:0;transition:opacity .2s;flex-shrink:0}.toast-popup-item:hover .toast-popup-close{opacity:1}@keyframes toastSlideIn{0%{opacity:0;transform:translate(100px) scale(.9)}to{opacity:1;transform:translate(0) scale(1)}}@media (max-width: 768px){.toast-popup-container{top:auto;bottom:80px;right:12px;left:12px;max-width:none;width:auto}.toast-popup-item{border-radius:14px}}.hover\:scale-125:hover{--tw-scale-x: 1.25;--tw-scale-y: 1.25;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.hover\:underline:hover{text-decoration-line:underline}.hover\:opacity-70:hover{opacity:.7}.hover\:opacity-80:hover{opacity:.8}.hover\:shadow-hover:hover{--tw-shadow: 0 8px 30px rgba(168, 216, 240, .4);--tw-shadow-colored: 0 8px 30px var(--tw-shadow-color);box-shadow:var(--tw-ring-offset-shadow, 0 0 #0000),var(--tw-ring-shadow, 0 0 #0000),var(--tw-shadow)}@media (min-width: 640px){.sm\:max-w-md{max-width:28rem}.sm\:columns-2{-moz-columns:2;columns:2}.sm\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.sm\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width: 768px){.md\:block{display:block}.md\:hidden{display:none}}@media (min-width: 1024px){.lg\:columns-3{-moz-columns:3;columns:3}.lg\:grid-cols-5{grid-template-columns:repeat(5,minmax(0,1fr))}}