* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: system-ui, "Microsoft Yahei", sans-serif;
            color: #eeeeee;
            min-height: 100vh;
            /* 背景 */
            background: url("https://picsum.photos/id/1002/1920/1080") no-repeat center center;
            background-size: cover;
            background-attachment: fixed;
        }
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background-color: rgba(0,0,0,0.55);
            z-index: -1;
        }
        /* 顶部导航栏 */
        header {
            display: flex;
            justify-content: flex-start;
            align-items: center;
            padding: 18px 140px;
            border-bottom: 1px solid rgba(255,255,255,0.12);
        }
        .logo {
            font-size: 20px;
            font-weight: 500;
        }
        nav a {
            color:#ddd;
            text-decoration: none;
            margin-left:32px;
            font-size:16px;
        }
        nav a:hover {
            color:#fff;
        }
        /* 主容器 */
        main {
             max-width: 1200px;
              margin: 80px auto 0;
              padding: 0 40px;
             display: grid;
            grid-template-columns: 2fr 1fr;
             gap: 16px;
           align-items: start;
        }
        /* 毛玻璃通用卡片 */
        .glass {
            background-color: rgba(255,255,255,0.07);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius:12px;
            padding:22px;
        }
        /* 个人信息 */
        .profile-head {
            display:flex;
            gap:20px;
            align-items:center;
            margin-bottom:18px;
        }
        .avatar {
            width:110px;
            height:110px;
            border-radius:50%;
            border:2px solid #fff;
            object-fit:cover;
        }
        .profile-name h2 {
            font-size:30px;
            margin-bottom:8px;
        }
        .profile-name p {
            color:#bbbbbb;
        }
        .desc-card p {
            line-height:1.7;
            font-size:15px;
            color:#dddddd;
            white-space:pre-line;
            overflow-wrap:break-word;
            margin:0;
        }
        .desc-card a {
            color:#82b8ff;
        }
        /* 社交图标行 */
        .social-row {
            display:flex;
            gap:18px;
            margin-top:24px;
        }
        .social-btn {
            width:44px;
            height:44px;
            border-radius:50%;
            border:1px solid rgba(255,255,255,0.18);
            background:rgba(255,255,255,0.06);
            display:flex;
            align-items:center;
            justify-content:center;
            color:#fff;
            text-decoration:none;
        }
        /* 右侧 */
        .time-card {
            margin-bottom:16px;
        }
        .time-text {
            font-size:32px;
            font-weight:500;
        }
        .time-date {
            font-size:14px;
            color:#bbb;
            margin-top:4px;
        }
        /* 左右列定位 */
        .right-col { grid-column: 2; }
  
        /* xf_time */
        .xf_time {
            display:flex;
            align-items:center;
            gap:24px;
        } 
         .xf_timee { 
              display: flex;
           align-items: center;
            flex-wrap: nowrap;
              flex-direction: column;
        }
        .xf_clock {
            position:relative;
            width:110px;
            height:110px;
            border-radius:50%;
            display:flex;
            justify-content:center;
            align-items:center;
            background:radial-gradient(circle, rgba(255,255,255,0.18), rgba(255,255,255,0.05));
            box-shadow:0 0 4px 2px rgba(0,0,0,0.25), inset 0 0 6px rgba(255,255,255,0.15);
            flex-shrink:0;
        }
        .xf_clock .point {
            position:absolute;
            width:7px;
            height:7px;
            border-radius:50%;
            background:#fff;
            z-index:10;
        }
        .xf_clock .hand {
            position:absolute;
            bottom:50%;
            transform-origin:bottom;
            border-radius:4px;
            z-index:9;
        }
        .xf_clock .hours { width:3px; height:28px; background:#fceb92; }
        .xf_clock .minutes { width:2.5px; height:42px; background:#2580b4; }
        .xf_clock .seconds { width:1.5px; height:48px; background:#fff; }
        .xf_clock .marker {
            position:relative;
            border-radius:50%;
            width:97%;
            height:97%;
        }
        .xf_clock .marker .marker_time {
            position:absolute;
            border-radius:50%;
            background:rgba(255,255,255,0.55);
        }
        .xf_clock .marker .marker__1,
        .xf_clock .marker .marker__2 {
            width:3px;
            height:10px;
            left:50%;
            transform:translateX(-50%);
        }
        .xf_clock .marker .marker__3,
        .xf_clock .marker .marker__4 {
            width:10px;
            height:3px;
            top:50%;
            transform:translateY(-50%);
        }
        .xf_clock .marker .marker__1 { top:3%; }
        .xf_clock .marker .marker__2 { bottom:6%; }
        .xf_clock .marker .marker__3 { left:3%; }
        .xf_clock .marker .marker__4 { right:6%; }
        .display_time {
            display:flex;
            flex-direction:column;
            color:#fff;
            text-shadow:0 1px 2px rgba(0,0,0,0.3);
        }
        .display_time .xf_time_1,
        .display_time .xf_time_2,
        .display_time .xf_time_3 {
            text-align:center;
            font-weight:normal;
            margin:2px 0;
        }
        .display_time .xf_time_1 { font-size:30px; }
        .display_time .xf_time_2 { font-size:14px; }
        .display_time .xf_time_3 { font-size:14px; }
        /* 统计三格（翻转卡片） */
        .stat-grid {
            display:grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap:14px;
            margin-bottom:16px;
        }
        .stat-item {
            text-align:center;
            position: relative;
            perspective: 1000px;
            min-height: 100px;
        }
        .stat-card-inner {
            position: relative;
            width: 100%;
            height: 100%;
            min-height: 100px;
            transform-style: preserve-3d;
            transition: transform 0.7s cubic-bezier(.4,1.2,.3,1);
        }
        .stat-item.flipped .stat-card-inner {
            transform: rotateY(180deg);
        }
        .stat-card-face {
            position: absolute;
            inset: 0;
            backface-visibility: hidden;
            -webkit-backface-visibility: hidden;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background-color: rgba(255,255,255,0.05);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            padding: 8px;
            border: 1px solid rgba(255,255,255,0.08);
        }
        .stat-card-face.stat-back {
            transform: rotateY(180deg);
            gap: 4px;
        }
        .stat-num {
            font-size:24px;
            font-weight:bold;
            margin:6px 0;
        }
        .stat-label {
            font-size:13px;
            color:#bbbbbb;
        }
        /* 右上角翻转按钮（回车↵样式） */
        .stat-flip-btn {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 22px;
            height: 22px;
            border-radius: 6px;
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.08);
            color: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            line-height: 1;
            padding: 0;
            transition: background 0.2s, transform 0.2s;
            z-index: 5;
            user-select: none;
        }
        .stat-flip-btn:hover {
            background: rgba(255,255,255,0.18);
            transform: scale(1.08);
        }
        .stat-back .stat-label {
            font-size: 12px;
        }
        .stat-start-date {
          font-size: 11px;
            color: #fff;
            font-weight: 500;
            text-shadow: 0 1px 2px rgba(0,0,0,0.3);
        }
        /* 名言卡片 */
        .quote-card .quote-text {
            font-size:16px;
            line-height:1.7;
        }
        .quote-author {
            margin-top:12px;
            text-align:right;
            font-size:13px;
            color:#aaa;
        }
        footer {
            margin-top:120px;
            padding:24px 40px;
            display:flex;
            justify-content:space-between;
            font-size:14px;
            color:#aaaaaa;
        }
        /* 桌面端隐藏汉堡按钮 */
        .nav-toggle {
            display: none;
        }
        /* 手机端适配：窗口放不下时 */
        @media (max-width: 820px) {
            header {
                justify-content: space-between;
                padding: 14px 20px;
                position: relative;
            }
            /* 汉堡按钮（三条横） */
            .nav-toggle {
                display: flex;
                flex-direction: column;
                justify-content: center;
                gap: 5px;
                width: 38px;
                height: 38px;
                background: transparent;
                border: 1px solid rgba(255,255,255,0.18);
                border-radius: 8px;
                cursor: pointer;
                padding: 9px;
            }
            .nav-toggle span { 
                display: block;
                width: 100%;
                height: 2px;
                background: #fff;
                border-radius: 2px;
                transition: transform 0.3s, opacity 0.3s;
            }
            .nav-toggle.active span:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
            }
            .nav-toggle.active span:nth-child(2) {
                opacity: 0;
            }
            .nav-toggle.active span:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
            }
            /* nav 变为下拉菜单 */
            nav {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                right: 20px;
                left: 20px;
                flex-direction: column;
                background-color: rgba(0, 0, 0, 0);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                border: 1px solid rgba(255,255,255,0.12);
                border-radius: 12px;
                padding: 8px 0;
                z-index: 100;
            }
            nav.open {
                display: flex;
            }
            nav a {
                margin: 0;
                padding: 12px 20px;
                font-size: 15px;
                border-bottom: 1px solid rgba(255,255,255,0.08);
            }
            nav a:last-child {
                border-bottom: none;
            }
            /* 主容器：移除 grid 布局，纵向堆叠 */
            main {
                display: block;
                grid-template-columns: none;
                gap: 0;
                grid-auto-flow: row;
                padding: 0 20px;
                margin: 40px auto 0;
            }
            main > * {
                margin-bottom: 24px;
            }
            .left-col, .right-col {
                grid-column: auto;
            }
            
            footer {
                padding: 20px;
                margin-top: 60px;
                flex-direction: column;
                gap: 8px;
                justify-content: flex-start;
            }
        }
        .hrefa {
           text-decoration: none;
           color: #fff;
        }
        /* 文章列表：自适应网格，自动根据宽度分 2 列或 3 列，永不留白 */
        #articleList {
            grid-column: 1;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 16px;
            align-items: start;
        }
        #articleList > .glass {
            margin-bottom: 0;
        }
        /* 文章卡片图片懒加载骨架屏 */
        .card-img-skeleton {
            width: 200px;
            height: 120px;
            border-radius: 8px;
            margin: 0 auto;
            background: rgba(255,255,255,0.08);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .skeleton-shimmer {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg,
                rgba(255,255,255,0) 0%,
                rgba(255,255,255,0.08) 50%,
                rgba(255,255,255,0) 100%);
            animation: shimmer 1.4s infinite;
        }
        @keyframes shimmer {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }
        /* 文章卡片内补充字段样式 */
        .article-date {
            font-size: 12px;
            color: #aaa;
            margin-top: 6px;
        }
        .article-summary {
            font-size: 13px;
            color: #ccc;
            margin-top: 4px;
            line-height: 1.6;
        }
        /* 手机端：文章列表和个人信息均单列堆叠 */
        @media (max-width: 820px) {
            main {
                grid-template-columns: 1fr;
            }
            #articleList {
                grid-template-columns: 1fr;
            }
            .right-col {
                grid-column: 1;
            }
        }