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.control-btn.active{color:#f5be27;background:#f5be2726}[data-theme=dark] .control-btn-play{color:#0a0a0f;box-shadow:0 0 20px #f5be274d}[data-theme=dark] .control-btn-play:hover{background:#ffd04a;box-shadow:0 0 30px #f5be2780}[data-theme=dark] .video-current-subtitle{color:#fafafa}[data-theme=dark] .video-current-subtitle .highlight-word{color:#f5be27;border-bottom-color:#f5be2780}[data-theme=dark] .video-detail-right{background:#111118;border-color:#ffffff0f;box-shadow:0 4px 20px #0000004d}[data-theme=dark] .subtitle-header{background:#111118;border-bottom-color:#ffffff0f}[data-theme=dark] .subtitle-tab{color:#71717a}[data-theme=dark] .subtitle-tab:hover{color:#d4d4d8;background:#ffffff0f}[data-theme=dark] .subtitle-tab.active{color:#fff;background:#ec4899}[data-theme=dark] .subtitle-list::-webkit-scrollbar-thumb{background:#ffffff1f}[data-theme=dark] .subtitle-list::-webkit-scrollbar-thumb:hover{background:#fff3}[data-theme=dark] .subtitle-item{background:0 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img{object-fit:cover;border-radius:50%;width:100%;height:100%}.profile-hero-info{z-index:1;flex:1;min-width:0;position:relative}.profile-info-name{letter-spacing:-.02em;color:var(--color-text);flex-wrap:wrap;align-items:center;gap:8px;font-size:22px;font-weight:800;display:flex}.profile-vip-badge{color:#fff;letter-spacing:.4px;background:linear-gradient(135deg,#fbbf24,#f59e0b);border-radius:999px;align-items:center;gap:4px;padding:3px 10px;font-size:11px;font-weight:800;display:inline-flex;box-shadow:0 3px 8px #f59e0b4d}.profile-info-email{color:var(--color-text-secondary);word-break:break-all;margin-top:4px;font-size:13px}.profile-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:18px;margin-bottom:18px;padding:20px 22px;transition:all .2s;box-shadow:0 2px 8px #00000008}.profile-card:hover{box-shadow:0 6px 20px #0000000d}.profile-card-title{color:#0369a1;letter-spacing:.4px;text-transform:uppercase;background:linear-gradient(135deg,#e0f2fe 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.checkin-stat-value{color:#fde68a}.checkin-stat-label{color:#92400e;text-transform:uppercase;letter-spacing:.5px;margin-top:3px;font-size:10px;font-weight:700}[data-theme=dark] .checkin-stat-label{color:#fcd34d}.checkin-btn{color:#fff;cursor:pointer;white-space:nowrap;background:linear-gradient(135deg,#f59e0b 0%,#f97316 100%);border:none;border-radius:999px;padding:11px 22px;font-size:13px;font-weight:800;transition:all .18s cubic-bezier(.34,1.56,.64,1);box-shadow:0 6px 14px #f59e0b52}.checkin-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 22px #f59e0b73}.checkin-btn:active:not(:disabled){transform:translateY(0)}.checkin-btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none;background:var(--color-surface-3,#e5e7eb);color:var(--color-text-muted);transform:none}.profile-menu-item{cursor:pointer;color:inherit;border-radius:12px;align-items:center;gap:12px;margin:0 -12px;padding:10px 12px;text-decoration:none;transition:all .15s;display:flex}.profile-menu-item:hover{background:var(--color-surface-2)}.profile-menu-item.danger{color:#dc2626}.profile-menu-item.danger:hover{background:#ef44440f}.profile-menu-icon{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:16px;transition:transform .18s;display:inline-flex}.profile-menu-item:hover .profile-menu-icon{transform:scale(1.08)rotate(-3deg)}.profile-menu-icon-sky{color:#0369a1;background:linear-gradient(135deg,#e0f2fe,#bae6fd)}.profile-menu-icon-violet{color:#6d28d9;background:linear-gradient(135deg,#ede9fe,#ddd6fe)}.profile-menu-icon-green{color:#047857;background:linear-gradient(135deg,#d1fae5,#a7f3d0)}.profile-menu-icon-red{color:#dc2626;background:linear-gradient(135deg,#fee2e2,#fecaca)}.profile-menu-icon-amber{color:#b45309;background:linear-gradient(135deg,#fef3c7,#fde68a)}.profile-menu-icon-blue{color:#1d4ed8;background:linear-gradient(135deg,#dbeafe,#bfdbfe)}[data-theme=dark] .profile-menu-icon-sky{color:#bae6fd;background:#38bdf82e}[data-theme=dark] .profile-menu-icon-violet{color:#ddd6fe;background:#8b5cf62e}[data-theme=dark] .profile-menu-icon-green{color:#6ee7b7;background:#10b9812e}[data-theme=dark] .profile-menu-icon-red{color:#fecaca;background:#ef44442e}[data-theme=dark] .profile-menu-icon-amber{color:#fde68a;background:#f59e0b2e}[data-theme=dark] .profile-menu-icon-blue{color:#bfdbfe;background:#3b82f62e}.profile-menu-label{color:var(--color-text);flex:1;min-width:0;font-size:14px;font-weight:600}.profile-menu-item.danger .profile-menu-label{color:#dc2626}.profile-menu-meta{color:var(--color-text-muted);align-items:center;gap:6px;font-size:12.5px;font-weight:500;display:inline-flex}.profile-menu-meta svg{color:var(--color-text-muted);transition:transform .18s}.profile-menu-item:hover .profile-menu-meta svg{transform:translate(3px)}.login-page{background:#fafafa;justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative;overflow:hidden}.login-page:before{content:"";filter:blur(80px);background:#6366f10f;border-radius:50%;width:500px;height:500px;position:absolute;top:-30%;right:-10%}.login-page:after{content:"";filter:blur(80px);background:#f59e0b0f;border-radius:50%;width:400px;height:400px;position:absolute;bottom:-20%;left:-10%}[data-theme=dark] .login-page{background:#0f0f14}[data-theme=dark] .login-page:before{background:#6366f114}[data-theme=dark] .login-page:after{background:#f59e0b0d}.login-card{background:var(--color-surface);border:1px solid var(--color-border);z-index:1;border-radius:20px;width:100%;max-width:420px;margin:0 16px;padding:40px 36px;position:relative;box-shadow:0 16px 48px #0000000f}.login-logo{text-align:center;margin-bottom:28px}.login-logo-img{object-fit:contain;width:52px;height:52px;margin-bottom:12px}.login-title{color:var(--color-text);font-size:22px;font-weight:800}.login-subtitle{color:var(--color-text-muted);margin-top:4px;font-size:14px}.login-form{flex-direction:column;gap:14px;display:flex}.form-group{flex-direction:column;gap:5px;display:flex}.form-label{color:var(--color-text-muted);font-size:13px;font-weight:600}.form-input-wrap{position:relative}.form-input-icon{color:var(--color-text-muted);pointer-events:none;font-size:15px;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.form-input{background:var(--color-surface-2);border:1.5px solid var(--color-border);width:100%;color:var(--color-text);box-sizing:border-box;border-radius:12px;outline:none;padding:12px 16px;font-size:14px;transition:all 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var(--transition);border-radius:12px;padding:12px;font-size:14px;font-weight:600}.btn-secondary:hover{background:var(--color-surface-3)}.subtitle-word-group.large .subtitle-word-char{font-size:22px}.subtitle-word-group.large .subtitle-word-pinyin{font-size:12px}.subtitle-word-clickable.large{font-size:22px}.btn-google{background:var(--color-surface);width:100%;color:var(--color-text);border:1.5px solid var(--color-border);cursor:pointer;transition:all var(--transition);border-radius:12px;justify-content:center;align-items:center;gap:10px;margin-bottom:4px;padding:12px;font-size:14px;font-weight:600;display:flex}.btn-google:hover{background:var(--color-surface-2);border-color:var(--color-text-muted)}.login-divider{color:var(--color-text-muted);align-items:center;gap:16px;margin:12px 0;font-size:12px;display:flex}.login-divider:before,.login-divider:after{content:"";background:var(--color-border);flex:1;height:1px}.login-footer{text-align:center;color:var(--color-text-muted);margin-top:24px;font-size:13px}.login-footer a{color:var(--color-primary);font-weight:600;text-decoration:none}.login-footer a:hover{text-decoration:underline}.login-footer a{color:var(--color-primary-hover);font-weight:600}.pagination{justify-content:center;align-items:center;gap:8px;margin-top:24px;display:flex}.pagination-btn{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition);padding:6px 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#f5be2733;align-items:center;gap:14px;width:100%;margin-bottom:20px;padding:16px;display:flex}.lock-icon-circle{width:48px;height:48px;color:var(--color-primary);background:#f5be2726;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:22px;display:flex}.lock-banner-title{color:var(--color-text);margin-bottom:2px;font-size:16px;font-weight:700}.lock-banner-subtitle{color:var(--color-text-muted);font-size:13px}.lock-description{color:var(--color-text-secondary);text-align:center;margin-bottom:20px;font-size:15px;line-height:1.6}.lock-credit-card{background:var(--color-surface);border-radius:var(--radius-md);border:1px solid var(--color-border);color:var(--color-text-secondary);align-items:center;gap:6px;margin-bottom:20px;padding:12px 20px;font-size:15px;display:flex}.lock-unlock-btn{border-radius:var(--radius-lg);background:var(--color-primary);color:#fff;cursor:pointer;width:100%;transition:all 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var(--transition);background:#fffdf5;justify-content:center;align-items:center;gap:8px;padding:14px;font-size:16px;font-weight:700;display:flex}.lock-vip-btn:hover{background:#fff8e1}.lock-free-trial-cta{border-radius:var(--radius-lg);color:#6366f1;cursor:pointer;width:100%;transition:all var(--transition);background:#f5f3ff;border:2px dashed #6366f1;justify-content:center;align-items:center;gap:8px;margin-top:16px;padding:12px;font-size:14px;font-weight:700;display:flex}[data-theme=dark] .lock-free-trial-cta{background:#1e1b4b}.lock-free-trial-cta:hover{background:#ede9fe}[data-theme=dark] .lock-free-trial-cta:hover{background:#2e1065}.free-trial-modal{background:var(--color-surface);border-radius:var(--radius-xl);text-align:center;width:92%;max-width:440px;padding:36px 32px;animation:.2s fadeIn;position:relative}.free-trial-modal-icon{color:#6366f1;background:#f5f3ff;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 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16px;display:flex}.vip-steps span{color:var(--color-text-secondary);font-size:13px}.vip-cta{border-radius:var(--radius-lg);color:#fff;width:100%;transition:all var(--transition);background:#1877f2;justify-content:center;align-items:center;padding:14px;font-size:15px;font-weight:700;text-decoration:none;display:flex}.vip-cta:hover{background:#1565c0}.vip-banner{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);cursor:pointer;justify-content:space-between;align-items:center;gap:16px;margin:12px 24px 0;padding:14px 20px;transition:all .2s;display:flex}.vip-banner:hover{border-color:var(--color-primary);box-shadow:0 2px 12px #0000000f}.vip-banner-content{align-items:center;gap:12px;display:flex}.vip-banner-icon{color:var(--color-primary);flex-shrink:0;font-size:20px}.vip-banner-title{color:var(--color-text);font-size:14px;font-weight:600}.vip-banner-desc{color:var(--color-text-muted);margin-top:2px;font-size:12px}.vip-banner-btn{background:var(--color-primary);color:#fff;border-radius:var(--radius-md);white-space:nowrap;flex-shrink:0;padding:7px 16px;font-size:12px;font-weight:600}.vip-banner-btn:hover{opacity:.85}@media (width<=600px){.vip-banner{flex-direction:column;align-items:flex-start;margin:8px 12px 0;padding:12px 14px}.vip-banner-btn{text-align:center;width:100%}}.promo-banner{border-radius:var(--radius-lg);cursor:pointer;background:linear-gradient(135deg,#fff7ed 0%,#fef2f2 50%,#fef9c3 100%);border:1.5px solid #fdba74;align-items:center;gap:14px;margin:12px 24px 0;padding:14px 18px;transition:all .2s;display:flex;position:relative;overflow:hidden;box-shadow:0 2px 8px #f9731614}.promo-banner:before{content:"";pointer-events:none;background:linear-gradient(120deg,#0000 30%,#ffffff80 50%,#0000 70%) 100% 0/250% 100%;animation:3.2s ease-in-out infinite promoShimmer;position:absolute;inset:0}@keyframes promoShimmer{0%{background-position:100% 0}60%,to{background-position:-50% 0}}.promo-banner:hover{border-color:#f97316;transform:translateY(-1px);box-shadow:0 8px 24px #f973162e}[data-theme=dark] .promo-banner{background:linear-gradient(135deg,#431407 0%,#450a0a 50%,#422006 100%);border-color:#ea580c}.promo-banner-flame{filter:drop-shadow(0 2px 4px #f9731666);z-index:1;flex-shrink:0;font-size:28px;animation:1.6s ease-in-out infinite promoFlame;position:relative}@keyframes 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.fc-front-pinyin{color:#7dd3fc}.fc-back-meaning{z-index:1;color:#fff;word-break:break-word;margin-bottom:16px;font-size:24px;font-weight:700;line-height:1.4;position:relative}.fc-back-divider{z-index:1;background:#fff6;border-radius:2px;width:50px;height:2px;margin-bottom:16px;position:relative}.fc-back-word{z-index:1;color:#ffffffeb;margin-bottom:4px;font-size:28px;font-weight:700;position:relative}.fc-back-pinyin{z-index:1;color:#ffffffbf;letter-spacing:.4px;font-size:14px;font-weight:500;position:relative}.fc-flip-hint{color:var(--color-text-muted);z-index:1;align-items:center;gap:4px;font-size:11px;font-weight:600;display:inline-flex;position:absolute;bottom:18px;left:50%;transform:translate(-50%)}.fc-actions{gap:14px;width:100%;max-width:420px;margin:0 auto;padding:0;display:flex}.fc-action-btn{cursor:pointer;border:2px solid;border-radius:999px;flex:1;justify-content:center;align-items:center;gap:6px;padding:14px 20px;font-size:14px;font-weight:800;transition:all .18s cubic-bezier(.34,1.56,.64,1);display:inline-flex}.fc-action-no{color:#b91c1c;background:linear-gradient(135deg,#fee2e2,#fecaca);border-color:#fca5a5;box-shadow:0 4px 12px #ef44442e}.fc-action-no:hover{transform:translateY(-2px);box-shadow:0 8px 18px #ef444447}.fc-action-yes{color:#047857;background:linear-gradient(135deg,#d1fae5,#a7f3d0);border-color:#6ee7b7;box-shadow:0 4px 12px #10b9812e}.fc-action-yes:hover{transform:translateY(-2px);box-shadow:0 8px 18px #10b98147}[data-theme=dark] .fc-action-no{color:#fecaca;background:#ef444429;border-color:#fca5a566}[data-theme=dark] .fc-action-yes{color:#6ee7b7;background:#10b98129;border-color:#6ee7b766}.vd-score-badge{color:#fff;letter-spacing:.3px;white-space:nowrap;background:linear-gradient(135deg,#38bdf8,#0ea5e9);border-radius:999px;padding:5px 12px;font-size:12px;font-weight:800;box-shadow:0 3px 8px #0ea5e94d}.vd-hint{color:#b45309;z-index:1;background:#ffffffa6;border-radius:10px;margin-top:16px;padding:10px 14px;font-size:14px;font-style:italic;font-weight:600;position:relative}[data-theme=dark] .vd-hint{color:#fde68a;background:#ffffff0f}.vd-input-wrap{margin-bottom:16px}.vd-input{border:1.5px solid var(--color-border);resize:vertical;box-sizing:border-box;background:var(--color-surface);width:100%;color:var(--color-text);border-radius:14px;outline:none;padding:16px 18px;font-family:inherit;font-size:16px;transition:all .18s;box-shadow:0 1px 3px #00000008}.vd-input:focus{background:#f0f9ff;border-color:#38bdf8;box-shadow:0 0 0 4px #38bdf81f,0 4px 12px #38bdf814}[data-theme=dark] .vd-input:focus{background:#38bdf80f}.vd-input-locked{background:var(--color-surface-2);cursor:not-allowed}.vd-diff{background:var(--color-surface-2);letter-spacing:.02em;word-break:break-word;border-radius:10px;margin-top:14px;padding:12px 14px;font-family:ui-monospace,SFMono-Regular,monospace;font-size:18px;line-height:1.9}.vd-diff-correct{color:#16a34a;font-weight:600}.vd-diff-wrong{color:#dc2626;font-weight:700;text-decoration:line-through}.vd-diff-missing{color:#dc2626;opacity:.55;border-bottom:2px dashed #dc2626;padding:0 2px;font-weight:700}[data-theme=dark] .vd-diff-correct{color:#4ade80}[data-theme=dark] .vd-diff-wrong,[data-theme=dark] .vd-diff-missing{color:#f87171}.vd-result{border:1.5px solid;border-radius:14px;margin-top:16px;padding:16px 18px;animation:.3s cubic-bezier(.34,1.56,.64,1) vpFadeUp}.vd-result-ok{background:linear-gradient(135deg,#22c55e14,#22c55e0a);border-color:#86efac}.vd-result-bad{background:linear-gradient(135deg,#ef444414,#ef44440a);border-color:#fca5a5}.vd-result-head{align-items:center;gap:8px;margin-bottom:6px;font-size:16px;font-weight:800;display:inline-flex}.vd-result-ok .vd-result-head{color:#16a34a}.vd-result-bad .vd-result-head{color:#dc2626}.vd-result-answer{color:var(--color-text);font-size:15px;line-height:1.6}.vd-controls{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:22px;display:flex}.vr-list{flex-direction:column;gap:10px;margin-top:8px;display:flex}.vr-sent{cursor:pointer;background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:16px;padding:16px 18px;transition:all .2s;position:relative;box-shadow:0 1px 3px #00000008}.vr-sent:hover{background:linear-gradient(135deg,#fff 0%,#f0f9ff 100%);border-color:#bae6fd;transform:translateY(-1px);box-shadow:0 6px 18px #38bdf814}[data-theme=dark] .vr-sent:hover{background:#38bdf80f;border-color:#38bdf84d}.vr-sent-active{background:linear-gradient(135deg,#f0f9ff 0%,#e0f2fe 50%,#ede9fe 100%);border-color:#0000;box-shadow:0 8px 24px #38bdf826,0 0 0 2px #38bdf8,inset 0 1px #ffffffb3}.vr-sent-active:before{content:"";background:linear-gradient(#7dd3fc,#38bdf8,#6366f1);border-radius:4px;width:4px;position:absolute;top:14px;bottom:14px;left:-1px;box-shadow:0 0 12px #38bdf880}[data-theme=dark] .vr-sent-active{background:linear-gradient(135deg,#38bdf81a 0%,#0ea5e914 50%,#6366f11a 100%)}.vr-sent-read{opacity:.5}.vr-sent-read:hover{opacity:1}.vr-sent-row{align-items:flex-start;gap:12px;display:flex}.vr-sent-num{background:var(--color-surface-2);min-width:26px;height:24px;color:var(--color-text-muted);border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;margin-top:3px;padding:0 8px;font-size:11px;font-weight:800;display:inline-flex}.vr-sent-active .vr-sent-num{color:#fff;background:linear-gradient(135deg,#38bdf8,#0ea5e9);box-shadow:0 2px 6px #0ea5e94d}.vr-sent-body{flex:1;min-width:0}.vr-text{color:var(--color-text);font-size:16px;font-weight:500;line-height:1.65}.vr-text-active{font-size:19px;font-weight:700}.vr-words{flex-wrap:wrap;align-items:flex-end;display:flex}.vr-word{flex-direction:column;align-items:center;margin-right:4px;display:inline-flex}.vr-word-char{color:var(--color-text);font-size:17px;font-weight:500;line-height:1.4}.vr-word-char-active{color:#0369a1;font-size:21px;font-weight:700}[data-theme=dark] .vr-word-char-active{color:#7dd3fc}.vr-word-pinyin{color:var(--color-text-muted);font-size:11px;font-weight:500;line-height:1.2}.vr-sent-active .vr-word-pinyin{color:#0ea5e9;font-weight:600}[data-theme=dark] .vr-sent-active .vr-word-pinyin{color:#38bdf8}.vr-trans{border-left:2px solid var(--color-border);color:var(--color-text-muted);margin-top:8px;padding-left:10px;font-size:13.5px;font-style:italic;line-height:1.55}.vr-sent-active .vr-trans{color:var(--color-text-secondary);border-left-color:#38bdf8}.vr-tts-btn{background:var(--color-surface-2);width:38px;height:38px;color:var(--color-text-muted);cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;transition:all .18s;display:inline-flex}.vr-tts-btn:hover{color:#0369a1;background:#e0f2fe;transform:scale(1.08)}.vr-tts-btn-active{color:#fff;background:linear-gradient(135deg,#38bdf8 0%,#0ea5e9 100%);box-shadow:0 4px 10px #0ea5e959}.vr-tts-btn-active:hover{color:#fff;background:linear-gradient(135deg,#0ea5e9 0%,#0284c7 100%)}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 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--tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}