* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/*基础样式*/
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    min-height: 100vh;
    color: #fff;
    overflow-x: hidden;
    position: relative;
}

/*背景图片区域*/
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.15) 0%,
        rgba(0, 0, 0, 0.05) 50%,
        rgba(0, 0, 0, 0.2) 100%
    );
}

/*主容器*/
.main-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 100vh;
    padding: 80px 100px;
    max-width: 1800px;
    margin: 0 auto;
    gap: 100px;
}

/*左侧区域*/
.left-section {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    gap: 50px;
}

/*Logo区域*/
.logo-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    width: 90px;
    height: 90px;
    border-radius: 22px;
    overflow: hidden;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.9) 0%,
        rgba(255, 255, 255, 0.7) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.brand-name {
    font-size: 64px;
    font-weight: 300;
    letter-spacing: 3px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.brand-suffix {
    font-size: 32px;
    font-weight: 300;
    font-style: italic;
    opacity: 0.9;
}

/*引言区域毛玻璃*/
.quote-section {
    position: relative;
    padding: 35px 45px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.quote-mark {
    font-size: 64px;
    line-height: 1;
    opacity: 0.5;
    font-family: Georgia, serif;
    position: absolute;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.quote-mark:first-child {
    top: 15px;
    left: 20px;
}

.quote-mark.end {
    bottom: 15px;
    right: 20px;
}

.quote-content {
    padding: 15px 30px;
    position: relative;
    z-index: 1;
}

.quote-title {
    font-size: 26px;
    font-weight: 500;
    margin-bottom: 8px;
    font-style: italic;
}

.quote-subtitle {
    font-size: 18px;
    opacity: 0.9;
}

/*社交链接毛玻璃*/
.social-links {
    display: flex;
    gap: 16px;
    margin-top: 10px;
}

.social-link {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
    cursor: pointer;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
}

/*右侧区域*/
.right-section {
    flex: 1;
    max-width: 900px;
}

/*顶部卡片*/
.top-cards {
    display: flex;
    gap: 20px;
    margin-bottom: 35px;
}

/*信息卡片毛玻璃*/
.info-card {
    position: relative;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 28px 32px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.info-card:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

/*名言卡片*/
.quote-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.quote-text {
    font-size: 17px;
    line-height: 1.7;
    margin-bottom: 12px;
    opacity: 0.95;
}

.quote-source {
    font-size: 14px;
    opacity: 0.85;
    text-align: right;
}

/*时间卡片*/
.time-card {
    flex: 0 0 280px;
    text-align: center;
}

.date-display {
    font-size: 15px;
    opacity: 0.9;
    margin-bottom: 10px;
}

.time-display {
    font-size: 48px;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 12px;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.day-progress {
    font-size: 14px;
    opacity: 0.9;
    display: flex;
    justify-content: center;
    gap: 6px;
}

.progress-text {
    color: #ffd700;
    font-weight: 600;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.35);
}

/*网站列表标题*/
.section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 18px;
    opacity: 0.95;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.section-title i {
    font-size: 16px;
}

/*网站卡片网格*/
.site-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

/*网站卡片毛玻璃*/
.site-card {
    position: relative;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 32px 18px;
    text-align: center;
    text-decoration: none;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.site-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.site-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    transition: all 0.3s ease;
}

.site-card:hover .site-icon {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.08);
}

.site-name {
    font-size: 15px;
    font-weight: 500;
    opacity: 0.95;
}

/* ============================================
   底部版权
   ============================================ */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    text-align: center;
    font-size: 14px;
    opacity: 0.8;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.25), transparent);
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1200px) {
    .main-container {
        flex-direction: column;
        padding: 40px;
        gap: 50px;
    }

    .left-section {
        align-items: center;
        text-align: center;
    }

    .right-section {
        max-width: 100%;
        width: 100%;
    }

    .top-cards {
        flex-direction: column;
    }

    .time-card {
        flex: 1;
    }
}

@media (max-width: 768px) {
    .main-container {
        padding: 30px 20px;
    }

    .brand-name {
        font-size: 36px;
    }

    .site-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .logo {
        width: 55px;
        height: 55px;
    }
}

@media (max-width: 480px) {
    .site-grid {
        grid-template-columns: 1fr;
    }

    .quote-section {
        padding: 25px 30px;
    }
}

/* ============================================
   动画效果
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo-section,
.quote-section,
.social-links,
.info-card,
.site-card {
    animation: fadeIn 0.6s ease forwards;
}

.quote-section {
    animation-delay: 0.1s;
}

.social-links {
    animation-delay: 0.2s;
}

.info-card:nth-child(1) {
    animation-delay: 0.1s;
}

.info-card:nth-child(2) {
    animation-delay: 0.2s;
}

.site-card:nth-child(1) { animation-delay: 0.1s; }
.site-card:nth-child(2) { animation-delay: 0.15s; }
.site-card:nth-child(3) { animation-delay: 0.2s; }
.site-card:nth-child(4) { animation-delay: 0.25s; }
.site-card:nth-child(5) { animation-delay: 0.3s; }
.site-card:nth-child(6) { animation-delay: 0.35s; }