/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #2e7d32;
    overflow-x: hidden;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    animation: containerFadeIn 0.8s ease-out;
}

@keyframes containerFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 头部 */
.header {
    text-align: center;
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.95);
    padding: 35px 25px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(46, 125, 50, 0.12);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(76, 175, 80, 0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.header-icon {
    font-size: 3em;
    margin-bottom: 10px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.title {
    font-size: 2.8em;
    font-weight: 700;
    color: #1b5e20;
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(46, 125, 50, 0.1);
    letter-spacing: 1px;
}

.subtitle {
    font-size: 1.1em;
    color: #4caf50;
    margin-bottom: 20px;
    font-weight: 500;
    opacity: 0.9;
}

.update-time {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #4caf50;
    font-size: 0.95em;
    margin-bottom: 20px;
    padding: 8px 16px;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 20px;
    display: inline-flex;
}

.time-icon {
    font-size: 1.1em;
    animation: tick 1s infinite;
}

@keyframes tick {
    0%, 50% { transform: rotate(0deg); }
    25% { transform: rotate(15deg); }
    75% { transform: rotate(-15deg); }
}

.refresh-btn {
    background: linear-gradient(135deg, #4caf50, #66bb6a, #81c784);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.refresh-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.5s ease;
}

.refresh-btn:hover::before {
    width: 300px;
    height: 300px;
}

.refresh-btn:hover {
    background: linear-gradient(135deg, #388e3c, #4caf50, #66bb6a);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
    transform: translateY(-3px);
}

.refresh-btn:active {
    transform: translateY(-1px);
}

.btn-icon {
    font-size: 1.1em;
    transition: transform 0.3s ease;
}

.refresh-btn:hover .btn-icon {
    transform: rotate(180deg);
}

/* 加载动画 */
.loading {
    text-align: center;
    padding: 60px 30px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    margin-bottom: 20px;
    box-shadow: 0 8px 32px rgba(46, 125, 50, 0.1);
    backdrop-filter: blur(15px);
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #e8f5e8;
    border-top: 5px solid #4caf50;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    position: relative;
}

.spinner::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 2px solid transparent;
    border-top: 2px solid #81c784;
    border-radius: 50%;
    animation: spin 2s linear infinite reverse;
}

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

.loading-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.loading-emoji {
    font-size: 2.5em;
    animation: pulse 1.5s ease-in-out infinite alternate;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.1); opacity: 1; }
}

.loading-text p {
    font-size: 1.1em;
    color: #4caf50;
    font-weight: 500;
    margin: 0;
}

.loading-dots {
    display: flex;
    gap: 5px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background: #4caf50;
    border-radius: 50%;
    animation: dot-bounce 1.4s ease-in-out infinite both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes dot-bounce {
    0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
    40% { transform: scale(1.2); opacity: 1; }
}

/* 热搜列表 */
.hot-list {
    display: grid;
    gap: 20px;
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hot-item {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(46, 125, 50, 0.08);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(76, 175, 80, 0.15);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    animation: slideInLeft 0.6s ease-out;
    animation-fill-mode: both;
}

.hot-item:nth-child(odd) {
    animation-delay: 0.1s;
}

.hot-item:nth-child(even) {
    animation-delay: 0.2s;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hot-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #4caf50, #81c784);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.hot-item:hover::before {
    transform: scaleY(1);
}

.hot-item:hover {
    box-shadow: 0 8px 40px rgba(46, 125, 50, 0.15);
    transform: translateY(-5px) scale(1.02);
    border-color: rgba(76, 175, 80, 0.3);
}

.hot-item-header {
    display: flex;
    align-items: center;
    margin-bottom: 18px;
    gap: 15px;
}

.hot-rank {
    background: linear-gradient(135deg, #4caf50, #66bb6a);
    color: white;
    min-width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1em;
    flex-shrink: 0;
    position: relative;
    box-shadow: 0 3px 10px rgba(76, 175, 80, 0.3);
}

.hot-rank::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #4caf50, #81c784, #4caf50);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hot-item:hover .hot-rank::after {
    opacity: 0.7;
}

.hot-rank.top-3 {
    background: linear-gradient(135deg, #ff6b35, #f7931e, #ffa726);
    box-shadow: 0 3px 15px rgba(255, 107, 53, 0.4);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    0% { box-shadow: 0 3px 15px rgba(255, 107, 53, 0.4); }
    100% { box-shadow: 0 3px 20px rgba(255, 107, 53, 0.6), 0 0 25px rgba(255, 107, 53, 0.3); }
}

.hot-rank.top-3::before {
    content: '👑';
    position: absolute;
    top: -8px;
    right: -5px;
    font-size: 0.7em;
    animation: crown-bounce 1s ease-in-out infinite alternate;
}

@keyframes crown-bounce {
    0% { transform: translateY(0) rotate(-5deg); }
    100% { transform: translateY(-2px) rotate(5deg); }
}

.hot-title {
    font-size: 1.15em;
    font-weight: 600;
    color: #1b5e20;
    flex: 1;
    line-height: 1.4;
    position: relative;
}

.hot-content {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.hot-cover {
    width: 90px;
    height: 90px;
    border-radius: 12px;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.hot-cover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.hot-item:hover .hot-cover::after {
    transform: translateX(100%);
}

.hot-item:hover .hot-cover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    transform: scale(1.05);
}

.hot-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hot-value {
    color: #e91e63;
    font-weight: 700;
    font-size: 1.1em;
    display: flex;
    align-items: center;
    gap: 6px;
}

.hot-value::before {
    content: '热度';
    font-size: 1.2em;
    animation: fire 1.5s ease-in-out infinite alternate;
}

@keyframes fire {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.hot-time {
    color: #757575;
    font-size: 0.9em;
    display: flex;
    align-items: center;
    gap: 6px;
}

.hot-time::before {
    content: '📅日期';
    font-size: 1em;
}

.hot-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #4caf50;
    text-decoration: none;
    font-size: 0.95em;
    font-weight: 600;
    padding: 8px 18px;
    border: 2px solid #4caf50;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    max-width: fit-content;
}

.hot-link::before {
    content: '👀';
    font-size: 1em;
}

.hot-link::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(76, 175, 80, 0.2), transparent);
    transition: left 0.5s ease;
}

.hot-link:hover::after {
    left: 100%;
}

.hot-link:hover {
    background: #4caf50;
    color: white;
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

/* 错误信息 */
.error-message {
    text-align: center;
    padding: 60px 30px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(211, 47, 47, 0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.error-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.error-icon {
    font-size: 4em;
    animation: shake 1s ease-in-out infinite alternate;
}

@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-5px) rotate(-5deg); }
    50% { transform: translateX(5px) rotate(5deg); }
    75% { transform: translateX(-3px) rotate(-3deg); }
    100% { transform: translateX(0) rotate(0deg); }
}

.error-content h3 {
    font-size: 1.5em;
    color: #d32f2f;
    margin: 0;
    font-weight: 600;
}

.error-content p {
    color: #757575;
    font-size: 1em;
    margin: 0;
    line-height: 1.5;
}

.retry-btn {
    background: linear-gradient(135deg, #4caf50, #66bb6a);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.retry-btn:hover {
    background: linear-gradient(135deg, #388e3c, #4caf50);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
    transform: translateY(-2px);
}

.retry-btn span {
    font-size: 1.1em;
    transition: transform 0.3s ease;
}

.retry-btn:hover span {
    transform: rotate(180deg);
}

/* 平板端适配 (768px - 1024px) */
@media (min-width: 768px) and (max-width: 1024px) {
    .container {
        padding: 30px;
    }
    
    .header {
        padding: 40px 30px;
    }
    
    .header-icon {
        font-size: 3.5em;
    }
    
    .title {
        font-size: 2.5em;
    }
    
    .subtitle {
        font-size: 1.2em;
    }
    
    .hot-list {
        grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
        gap: 25px;
    }
    
    .hot-item {
        padding: 30px;
    }
    
    .hot-cover {
        width: 85px;
        height: 85px;
    }
    
    .hot-rank {
        min-width: 42px;
        height: 42px;
        font-size: 1.05em;
    }
    
    .hot-title {
        font-size: 1.2em;
    }
    
    .hot-value {
        font-size: 1.15em;
    }
}

/* 电脑端适配 (1025px+) */
@media (min-width: 1025px) {
    .container {
        padding: 40px;
    }
    
    .header {
        padding: 50px 40px;
        margin-bottom: 50px;
    }
    
    .header-icon {
        font-size: 4em;
    }
    
    .title {
        font-size: 3.5em;
        letter-spacing: 2px;
    }
    
    .subtitle {
        font-size: 1.3em;
    }
    
    .hot-list {
        grid-template-columns: repeat(auto-fit, minmax(550px, 1fr));
        gap: 30px;
    }
    
    .hot-item {
        padding: 35px;
    }
    
    .hot-rank {
        min-width: 45px;
        height: 45px;
        font-size: 1.1em;
    }
    
    .hot-cover {
        width: 110px;
        height: 110px;
    }
    
    .hot-title {
        font-size: 1.3em;
    }
    
    .hot-value {
        font-size: 1.2em;
    }
    
    .hot-time {
        font-size: 1em;
    }
    
    .hot-link {
        font-size: 1em;
        padding: 10px 20px;
    }
    
    /* 电脑端特殊效果 */
    .hot-item:hover {
        transform: translateY(-8px) scale(1.03);
    }
    
    .hot-item::after {
        content: '';
        position: absolute;
        top: 50%;
        right: 20px;
        transform: translateY(-50%);
        font-size: 1.5em;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .hot-item:hover::after {
        opacity: 0.3;
    }
}

/* 手机端适配 (默认, 767px以下) */
@media (max-width: 767px) {
    .container {
        padding: 15px;
    }
    
    .header {
        padding: 25px 20px;
        margin-bottom: 25px;
    }
    
    .header-icon {
        font-size: 2.5em;
    }
    
    .title {
        font-size: 2.2em;
        letter-spacing: 0.5px;
    }
    
    .subtitle {
        font-size: 1em;
    }
    
    .update-time {
        font-size: 0.9em;
        padding: 6px 12px;
    }
    
    .refresh-btn {
        padding: 10px 20px;
        font-size: 0.9em;
    }
    
    .hot-item {
        padding: 20px;
        border-radius: 12px;
    }
    
    .hot-rank {
        min-width: 35px;
        height: 35px;
        font-size: 0.9em;
    }
    
    .hot-title {
        font-size: 1.05em;
        line-height: 1.3;
    }
    
    .hot-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .hot-cover {
        width: 100%;
        height: 180px;
        align-self: center;
        max-width: 280px;
        border-radius: 10px;
    }
    
    .hot-info {
        gap: 10px;
    }
    
    .hot-value {
        font-size: 1.05em;
    }
    
    .hot-time {
        font-size: 0.85em;
    }
    
    .hot-link {
        font-size: 0.9em;
        padding: 8px 16px;
        align-self: flex-start;
    }
    
    /* 手机端动画优化 */
    .hot-item {
        animation-duration: 0.4s;
    }
    
    .hot-item:hover {
        transform: translateY(-2px) scale(1.01);
    }
}

/* 超小屏幕适配 (480px以下) */
@media (max-width: 480px) {
    .container {
        padding: 12px;
    }
    
    .header {
        padding: 20px 15px;
        margin-bottom: 20px;
    }
    
    .header-icon {
        font-size: 2.2em;
    }
    
    .title {
        font-size: 1.9em;
        letter-spacing: 0.3px;
    }
    
    .subtitle {
        font-size: 0.95em;
    }
    
    .update-time {
        font-size: 0.85em;
        padding: 5px 10px;
    }
    
    .refresh-btn {
        padding: 8px 16px;
        font-size: 0.85em;
    }
    
    .hot-list {
        gap: 15px;
    }
    
    .hot-item {
        padding: 18px 15px;
        border-radius: 10px;
    }
    
    .hot-item-header {
        margin-bottom: 15px;
        gap: 12px;
    }
    
    .hot-rank {
        min-width: 32px;
        height: 32px;
        font-size: 0.85em;
    }
    
    .hot-title {
        font-size: 1em;
        line-height: 1.25;
    }
    
    .hot-content {
        gap: 12px;
    }
    
    .hot-cover {
        height: 160px;
        max-width: 260px;
        border-radius: 8px;
    }
    
    .hot-info {
        gap: 8px;
    }
    
    .hot-value {
        font-size: 1em;
    }
    
    .hot-time {
        font-size: 0.8em;
    }
    
    .hot-link {
        font-size: 0.85em;
        padding: 6px 14px;
    }
    
    /* 超小屏幕性能优化 */
    .hot-item {
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    
    .hot-item::before,
    .hot-item::after,
    .hot-cover::after,
    .hot-link::after {
        display: none;
    }
    
    .loading-content {
        gap: 15px;
    }
    
    .loading-emoji {
        font-size: 2em;
    }
    
    .loading-text p {
        font-size: 1em;
    }
    
    .error-icon {
        font-size: 3em;
    }
    
    .error-content h3 {
        font-size: 1.3em;
    }
    
    .error-content p {
        font-size: 0.9em;
    }
}