.adpoplite-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4));
    backdrop-filter: blur(8px);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.adpoplite-popup {
    position: relative;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.25),
        0 10px 20px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    width: 80vw;
    height: 400px;
    max-width: 800px;
    max-height: 600px;
    min-width: 320px;
    min-height: 200px;
    animation: slideIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transform-origin: center;
}

.adpoplite-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    z-index: 15;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.3),
        0 2px 6px rgba(0, 0, 0, 0.2);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    user-select: none;
    backdrop-filter: blur(10px);
}

.adpoplite-close:hover {
    background: rgba(255, 71, 87, 0.9);
    transform: scale(1.1) rotate(90deg);
    box-shadow: 
        0 6px 18px rgba(255, 71, 87, 0.4),
        0 3px 9px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 1);
}

.adpoplite-close:active {
    transform: scale(0.95) rotate(90deg);
}

.adpoplite-countdown {
    position: absolute;
    top: 18px;
    left: 18px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #232526 60%, #4ade80 100%);
    color: #fff;
    border-radius: 50%;
    font-size: 22px;
    font-weight: bold;
    z-index: 15;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 5px solid #4ade80;
    box-shadow: 0 6px 24px rgba(76,220,128,0.25), 0 2px 8px rgba(0,0,0,0.18);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    user-select: none;
    text-shadow: 0 2px 8px rgba(76, 220, 128, 0.5), 0 1px 2px rgba(0,0,0,0.5);
    letter-spacing: 2px;
    position: relative;
    overflow: visible;
    animation: countdownPopIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.adpoplite-countdown::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    background: conic-gradient(
        #4ade80 0%,
        #22d3ee 25%,
        #818cf8 50%,
        #f472b6 75%,
        #4ade80 100%
    );
    border-radius: 50%;
    z-index: -1;
    opacity: 0.8;
    filter: blur(3px);
    animation: countdownGlow 2s linear infinite;
}

@keyframes countdownGlow {
    0% { filter: blur(3px) brightness(1); }
    50% { filter: blur(7px) brightness(1.2); }
    100% { filter: blur(3px) brightness(1); }
}

.adpoplite-countdown.warning {
    background: linear-gradient(145deg, #ef4444 80%, #fbbf24 100%);
    border-color: #fbbf24;
    color: #fff;
    animation: pulseCountdown 1s infinite;
    box-shadow: 0 0 32px #ef4444, 0 2px 8px rgba(0,0,0,0.22);
}

.adpoplite-countdown.warning::before {
    background: conic-gradient(
        #ef4444 0%,
        #fbbf24 50%,
        #ef4444 100%
    );
    opacity: 1;
    animation: countdownGlowWarning 1.2s linear infinite;
}

@keyframes countdownGlowWarning {
    0% { filter: blur(4px) brightness(1); }
    50% { filter: blur(10px) brightness(1.3); }
    100% { filter: blur(4px) brightness(1); }
}

.adpoplite-countdown.progress {
    position: relative;
}

.adpoplite-countdown.progress::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    border: 4px solid transparent;
    background: conic-gradient(
        #4ade80 var(--progress, 0%),
        #e5e7eb var(--progress, 0%) 100%
    );
    z-index: 1;
    pointer-events: none;
    transition: background 0.3s;
}

.adpoplite-countdown span {
    font-size: 26px;
    font-family: 'JetBrains Mono', 'Fira Mono', 'Menlo', 'monospace';
    font-weight: bold;
    color: #fff;
    letter-spacing: 2px;
    text-shadow: 0 2px 8px #4ade80, 0 1px 2px rgba(0,0,0,0.5);
}

.adpoplite-content {
    padding: 0;
    border-radius: 16px;
    overflow: hidden;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.adpoplite-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 49%, rgba(255, 255, 255, 0.03) 50%, transparent 51%);
    pointer-events: none;
    z-index: 1;
}

.adpoplite-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    z-index: 2;
}

.adpoplite-image:hover {
    transform: scale(1.02);
    filter: brightness(1.05) contrast(1.05);
}

.adpoplite-content a {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.adpoplite-content a::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 3;
}

.adpoplite-content a:hover::after {
    opacity: 1;
}

/* 动画效果 */
@keyframes fadeIn {
    0% { 
        opacity: 0; 
        backdrop-filter: blur(0px);
    }
    100% { 
        opacity: 1; 
        backdrop-filter: blur(8px);
    }
}

@keyframes slideIn {
    0% { 
        opacity: 0;
        transform: scale(0.8) translateY(-30px) rotateX(10deg);
    }
    60% {
        transform: scale(1.02) translateY(5px) rotateX(0deg);
    }
    100% { 
        opacity: 1;
        transform: scale(1) translateY(0) rotateX(0deg);
    }
}

@keyframes fadeOut {
    0% { 
        opacity: 1; 
        transform: scale(1);
        backdrop-filter: blur(8px);
    }
    100% { 
        opacity: 0; 
        transform: scale(0.9);
        backdrop-filter: blur(0px);
    }
}

@keyframes pulse {
    0% { 
        transform: scale(1); 
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    }
    50% { 
        transform: scale(1.05); 
        box-shadow: 0 12px 24px rgba(220, 50, 50, 0.4);
    }
    100% { 
        transform: scale(1); 
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    }
}

@keyframes pulseCountdown {
    0% { transform: scale(1.08); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1.08); }
}

@keyframes rotateWarning {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes countdownPopIn {
    0% { transform: scale(0.7) rotate(-10deg); opacity: 0; }
    70% { transform: scale(1.1) rotate(5deg); opacity: 1; }
    100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

.adpoplite-countdown.warning {
    background: linear-gradient(145deg, rgba(220, 50, 50, 0.9), rgba(185, 28, 28, 0.8));
    animation: pulse 1s infinite;
    border-color: rgba(255, 255, 255, 0.4);
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* 预览模式特殊样式 */
#adpoplite-preview-overlay {
    background: linear-gradient(135deg, rgba(0, 115, 170, 0.15), rgba(0, 0, 0, 0.4));
    backdrop-filter: blur(12px);
}

#adpoplite-preview-overlay .adpoplite-popup {
    border: 3px solid #0073aa;
    box-shadow: 
        0 25px 50px rgba(0, 115, 170, 0.3),
        0 10px 20px rgba(0, 115, 170, 0.2);
    background: #ffffff;
}

/* 预览标签 */
.adpoplite-popup .preview-label {
    position: absolute;
    top: -35px;
    left: 0;
    background: linear-gradient(145deg, #0073aa, #005a87);
    color: white;
    padding: 8px 16px;
    border-radius: 8px 8px 0 0;
    font-size: 12px;
    font-weight: bold;
    z-index: 20;
    box-shadow: 0 4px 8px rgba(0, 115, 170, 0.3);
    animation: slideInFromTop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 确保预览倒计时样式一致 */
#adpoplite-preview-countdown {
    position: absolute;
    top: 15px;
    left: 15px;
    width: 50px;
    height: 50px;
    background: rgba(0, 115, 170, 0.9);
    color: #ffffff;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    z-index: 15;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 3px solid rgba(255, 255, 255, 0.9);
    box-shadow: 
        0 4px 12px rgba(0, 115, 170, 0.3),
        0 2px 6px rgba(0, 0, 0, 0.2);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

#adpoplite-preview-countdown::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: conic-gradient(from 0deg, #0ea5e9, #0284c7, #0369a1, #075985, #0ea5e9);
    border-radius: 50%;
    z-index: -1;
    opacity: 0.9;
}

#adpoplite-preview-countdown.warning {
    background: rgba(220, 50, 50, 0.9);
    border-color: rgba(255, 255, 255, 1);
    animation: pulseCountdown 1s infinite;
    transform: scale(1.1);
}

#adpoplite-preview-countdown.warning::before {
    background: conic-gradient(from 0deg, #ef4444, #dc2626, #b91c1c, #991b1b, #ef4444);
    animation: rotateWarning 2s linear infinite;
}

/* 加载动画 */
@keyframes shimmer {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

.adpoplite-image.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200px 100%;
    animation: shimmer 1.5s infinite;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .adpoplite-popup {
        width: 90vw;
        height: 300px;
        max-width: 600px;
        max-height: 400px;
        margin: 20px;
        border-radius: 12px;
    }
    
    .adpoplite-close {
        width: 32px;
        height: 32px;
        font-size: 16px;
        top: 12px;
        right: 12px;
    }
    
    .adpoplite-countdown {
        width: 42px;
        height: 42px;
        font-size: 12px;
        top: 12px;
        left: 12px;
        border-width: 2px;
    }
    
    .adpoplite-countdown::before {
        top: -1px;
        left: -1px;
        right: -1px;
        bottom: -1px;
    }
    
    .adpoplite-content {
        border-radius: 12px;
    }
    
    .adpoplite-image {
        border-radius: 12px;
    }
    
    .adpoplite-content a {
        border-radius: 12px;
    }
    
    #adpoplite-preview-countdown {
        width: 42px;
        height: 42px;
        font-size: 12px;
        top: 12px;
        left: 12px;
        border-width: 2px;
    }
    
    #adpoplite-preview-countdown::before {
        top: -1px;
        left: -1px;
        right: -1px;
        bottom: -1px;
    }
}

@media (max-width: 480px) {
    .adpoplite-popup {
        width: 95vw;
        height: 250px;
        max-width: 500px;
        max-height: 350px;
        margin: 10px;
        border-radius: 10px;
    }
    
    .adpoplite-close {
        width: 28px;
        height: 28px;
        font-size: 14px;
        top: 10px;
        right: 10px;
    }
    
    .adpoplite-countdown {
        width: 36px;
        height: 36px;
        font-size: 11px;
        top: 10px;
        left: 10px;
    }
    
    .adpoplite-content {
        border-radius: 10px;
    }
    
    .adpoplite-image {
        border-radius: 10px;
    }
    
    .adpoplite-content a {
        border-radius: 10px;
    }
    
    #adpoplite-preview-countdown {
        width: 36px;
        height: 36px;
        font-size: 11px;
        top: 10px;
        left: 10px;
    }
}

@media (orientation: landscape) and (max-height: 600px) {
    .adpoplite-popup {
        height: 80vh;
        width: calc(80vh * 3/2);
        max-width: 90vw;
    }
}

/* 无障碍访问优化 */
@media (prefers-reduced-motion: reduce) {
    .adpoplite-overlay,
    .adpoplite-popup,
    .adpoplite-close,
    .adpoplite-image,
    .adpoplite-countdown {
        animation: none !important;
        transition: none !important;
    }
    
    .adpoplite-overlay {
        animation: fadeIn 0.2s ease;
    }
    
    .adpoplite-popup {
        animation: slideIn 0.3s ease;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    .adpoplite-popup {
        border: 2px solid #000;
        box-shadow: 0 0 0 1px #fff, 0 0 20px rgba(0, 0, 0, 0.5);
    }
    
    .adpoplite-close {
        border: 2px solid #000;
        background: #fff;
        color: #000;
    }
    
    .adpoplite-countdown {
        border: 3px solid #fff;
        background: #000;
        color: #fff;
    }
    
    .adpoplite-countdown::before {
        display: none;
    }
    
    .adpoplite-countdown.warning {
        background: #f00;
        color: #fff;
        border-color: #fff;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .adpoplite-popup {
        background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .adpoplite-content::before {
        background: linear-gradient(45deg, transparent 49%, rgba(255, 255, 255, 0.05) 50%, transparent 51%);
    }
    
    .adpoplite-countdown {
        background: linear-gradient(145deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.1));
        border-color: rgba(255, 255, 255, 0.4);
        color: #ffffff;
    }
    
    .adpoplite-countdown::before {
        background: conic-gradient(from 0deg, #60a5fa, #3b82f6, #2563eb, #1d4ed8, #60a5fa);
    }
}

.adpoplite-countdown,
.adpoplite-countdown::before,
.adpoplite-countdown.progress::after,
.adpoplite-countdown.warning,
.adpoplite-countdown.warning::before,
.adpoplite-countdown span {
    display: none !important;
}