* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Times New Roman", "Microsoft YaHei", sans-serif;
        }
        /* 优化渐变背景：浅蓝→天蓝 渐变，更饱满不单调 */
        body {
            background: linear-gradient(135deg, #87CEFA 0%, #4682B4 100%);
            overflow-x: hidden;
            color: #fff;
            position: relative;
            height: auto;
            min-height: 100vh; /* 防止内容过少时背景断层 */
        }
        .sakura {
            position: absolute;
            background: #f8c8d8;
            border-radius: 50% 0;
            opacity: 0.7;
            animation: fall linear infinite;
            z-index: 1;
            pointer-events: none;
        }
        @keyframes fall {
            0% {
                transform: translate(0, 0) rotate(0deg);
                opacity: 0.7;
            }
            100% {
                transform: translate(50px, 200vh) rotate(360deg);
                opacity: 0;
            }
        }
        .section {
            padding: 60px 20px;
            position: relative;
            z-index: 2;
        }
        /* 第一屏：时间区字体大小 */
        .time-section {
            height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
        }
        .date-week {
            font-size: 45px;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }
        .time {
            font-size: 55px;
            font-family: Times New Roman;
            letter-spacing: 5px;
            margin-bottom: 10px;
        }
        .lunar {
            font-size: 18px;
            letter-spacing: 2px;
            margin-bottom: 30px;
        }
        #hitokoto {
            font-size: 22px;
            line-height: 2;
            letter-spacing: 3px;
            margin-bottom: 20px;
        }
        /* 第二屏：语录区 - 头像靠左对齐 */
        .quote-section {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            margin-bottom: 50px;
            align-items: flex-start;
        }
        .quote-title {
            font-size: 20px;
            letter-spacing: 3px;
            margin-bottom: 25px;
            line-height: 1.5;
        }
        .avatar {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            margin-bottom: 25px;
            cursor: pointer;
            transition: transform 0.2s ease;
        }
        .avatar:hover {
            transform: scale(1.05);
        }
        .quote-text {
            font-size: 15px;
            line-height: 2;
            letter-spacing: 2px;
            margin-bottom: 30px;
            max-width: 800px;
        }
        .progress-group {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 30px;
            width: 100%;
            max-width: 600px;
        }
        .progress-item {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .progress-label {
            font-size: 18px;
            letter-spacing: 2px;
        }
        .progress-bar {
            height: 5px;
            background: rgba(255,255,255,0.3);
            border-radius: 3px;
            overflow: hidden;
        }
        .progress-fill {
            height: 100%;
            background: pink;
        }
        /* 第三屏：链接区 - 彻底移除多余空白 */
        .link-section {
            min-height: auto;
            overflow-y: visible;
            padding: 40px 20px 60px; /* 调整上下内边距，消除空白 */
        }
        .link-title {
            font-size: 20px;
            letter-spacing: 3px;
            margin-bottom: 25px;
        }
        .category {
            margin-bottom: 0; /* 取消分类底部间距 */
            margin-left: 0;
            max-width: 1200px;
        }
        .category-name {
            font-size: 22px;
            margin-bottom: 15px;
            letter-spacing: 2px;
        }
        .red { color: red; }
        .green { color: green; }
        .gray { color: #ccc; }
        .link-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .link-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            text-decoration: none;
            color: #fff;
            transform: scale(1);
            transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
            padding: 8px;
            border-radius: 10px;
        }
        /* 仅保留点击时的凸起效果 */
        .link-item:active {
            transform: scale(1.05);
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            background: rgba(255,255,255,0.1);
        }
        .link-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            overflow: hidden;
            flex-shrink: 0;
        }
        .link-icon img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .link-text {
            display: flex;
            flex-direction: column;
            gap: 3px;
        }
        .link-name {
            font-size: 18px;
            letter-spacing: 1px;
        }
        .link-desc {
            font-size: 14px;
            opacity: 0.8;
            letter-spacing: 1px;
        }

        /* 弹窗样式 */
        .modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.6);
            z-index: 999;
            display: none;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }
        .modal-content {
            background: linear-gradient(135deg, #B0E2FF 0%, #87CEFA 100%);
            border-radius: 15px;
            padding: 20px;
            max-width: 90%;
            max-height: 90%;
            position: relative;
            box-shadow: 0 8px 32px rgba(0,0,0,0.2);
        }
        .close-btn {
            position: absolute;
            top: 10px;
            right: 15px;
            font-size: 24px;
            color: #fff;
            cursor: pointer;
            background: transparent;
            border: none;
        }
        /* B站视频样式 */
        .bilibili-video {
            width: 100%;
            height: 300px;
            border: none;
            border-radius: 10px;
        }
      .hh{
        text-align: center;
        }