/* 仅使用系统字体，不加载任何第三方字体文件。 */
        :root { color-scheme: light; background: #fff; color: #252b28; }
        * { box-sizing: border-box; }
        body {
            margin: 0;
            min-height: 100vh;
            min-height: 100svh;
            display: flex;
            flex-direction: column;
            padding: 0 clamp(20px, 6vw, 96px);
            font-family: "Songti SC", "STSong", SimSun, serif;
            font-weight: 400;
            -webkit-text-size-adjust: 100%;
        }
        main {
            width: 100%;
            max-width: 960px;
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            margin: 0 auto;
            padding: clamp(64px, 8vh, 100px) 0 72px;
            text-align: center;
        }
        .identity { display: flex; flex-direction: column; align-items: center; gap: 24px; margin-bottom: 36px; }
        .avatar { width: 100px; height: 100px; flex: 0 0 auto; border-radius: 50%; object-fit: cover; }
        h1 {
            margin: 0 0 14px;
            font-family: Georgia, "Times New Roman", serif;
            font-size: clamp(46px, 5vw, 56px);
            font-weight: 400;
            letter-spacing: -0.04em;
            line-height: 1.1;
        }
        .bio {
            font-family: Georgia, "Times New Roman", serif;
            font-size: 14px;
            font-style: italic;
            line-height: 1.7;
            letter-spacing: 0.025em;
            color: #6f756f;
        }
        .notice { width: 100%; max-width: 760px; font-size: 18px; line-height: 2.25; letter-spacing: 0.04em; }
        p { margin: 0; }
        .contact { font-size: 14px; color: #6a706b; }
        .contact a { color: #252b28; overflow-wrap: anywhere; }
        .sites { display: flex; justify-content: center; max-width: 100%; margin-top: 32px; }
        .site {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 4px clamp(20px, 3vw, 32px);
            font-family: Georgia, "Songti SC", SimSun, serif;
            font-size: 18px;
            line-height: 1.4;
            white-space: nowrap;
        }
        .site + .site::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            height: 14px;
            border-left: 1px solid #d9dcd9;
            transform: translateY(-50%);
        }
        .site-title { color: #252b28; }
        .site-arrow { font-family: sans-serif; font-size: 12px; color: #8a918b; }
        footer {
            width: 100%;
            max-width: 960px;
            margin: 0 auto;
            padding: 24px 0 32px;
            border-top: 1px solid #e6e8e5;
            display: flex;
            flex-direction: column;
            gap: 12px;
            text-align: center;
            line-height: 1.8;
        }
        .registration {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px 24px;
            font-size: 12px;
        }
        a { color: #6a706b; text-decoration: none; text-underline-offset: 4px; }
        a:hover { text-decoration: underline; }
        a:focus-visible { outline: 2px solid #233c33; outline-offset: 5px; }
        @media (max-width: 540px) {
            main { padding: 56px 0 48px; }
            .identity { gap: 20px; margin-bottom: 32px; }
            .avatar { width: 88px; height: 88px; }
            .bio { font-size: 13px; }
            .notice { font-size: 15px; }
            .sites { margin-top: 28px; }
            .site { gap: 4px; padding: 4px clamp(6px, 2vw, 12px); font-size: clamp(14px, 3.1vw, 16px); }
            footer { padding: 20px 0 24px; gap: 10px; }
            .contact { font-size: 12px; }
            .registration { gap: 6px 18px; font-size: 11px; }
        }
    
        /* 站内跳转过渡：跨文档 View Transitions，与 style.css 保持一致 */
        @view-transition { navigation: auto; }

        @media (prefers-reduced-motion: no-preference) {
            ::view-transition-old(root) { animation: vtOut .22s ease both; }
            ::view-transition-new(root) { animation: vtIn .34s ease both; }
        }

        @keyframes vtOut { to { opacity: 0; } }
        @keyframes vtIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }