:root{
    --bg:#FBF9F5;
    --paper:#FFFFFF;
    --ink:#1B1D20;
    --muted:#6C7278;
    --faint:#9AA0A6;
    --line:#E6E4DD;
    --accent:#2A6B5F;
    --accent-ink:#1F4F46;
    --accent-soft:rgba(42,107,95,.08);
    --code-bg:#F4F2EC;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    font-family:"Noto Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
    background:var(--bg);
    color:var(--ink);
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  ::selection{background:var(--accent-soft)}

  /* ===== 顶部导航 ===== */
  .nav{
    position:sticky;top:0;z-index:50;
    background:rgba(251,249,245,.85);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{
    max-width:1040px;margin:0 auto;padding:0 24px;
    height:64px;display:flex;align-items:center;justify-content:space-between;
  }
  .brand{display:flex;align-items:center;gap:10px;font-family:"Noto Serif SC",serif;font-weight:700;font-size:18px;letter-spacing:1px}
  .brand-mark{
    width:30px;height:30px;border-radius:8px;background:var(--accent);
    color:#fff;display:grid;place-items:center;font-size:15px;
  }
  .nav-links{display:flex;gap:28px;font-size:14px;color:var(--muted)}
  .nav-links a{transition:color .2s}
  .nav-links a:hover{color:var(--accent)}

  /* ===== Hero ===== */
  .hero{
    max-width:1040px;margin:0 auto;padding:120px 24px 60px;
    border-bottom:1px solid var(--line);
  }
  .hero-kicker{
    font-size:13px;letter-spacing:.25em;color:var(--accent);
    font-weight:600;margin-bottom:26px;
  }
  .hero h1{
    font-family:"Noto Serif SC",serif;font-weight:900;
    font-size:clamp(44px,7vw,76px);line-height:1.12;letter-spacing:.02em;
  }
  .hero h1 .dot{color:var(--accent)}
  .hero-role{
    margin-top:22px;font-size:17px;color:var(--muted);
    font-weight:500;
  }
  .hero-role b{color:var(--ink);font-weight:600}
  .hero-desc{
    margin-top:30px;max-width:620px;font-size:16px;color:var(--muted);font-weight:300;
  }

  /* ===== 通用小节 ===== */
  section{padding:72px 24px}
  .wrap{max-width:1040px;margin:0 auto}
  .sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:40px}
  .sec-title{
    font-family:"Noto Serif SC",serif;font-weight:700;font-size:30px;letter-spacing:.02em;
  }
  .sec-title em{font-style:normal;color:var(--accent)}
  .sec-num{font-size:13px;color:var(--faint);letter-spacing:.15em}

  /* ===== 关于 ===== */
  .about{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .about p{
    max-width:680px;font-size:16.5px;color:#3D4247;font-weight:300;margin-bottom:18px;
  }
  .about p strong, .about p b{font-weight:600;color:var(--ink)}
  .about-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .tag{
    font-size:13px;color:var(--accent-ink);background:var(--accent-soft);
    padding:5px 14px;border-radius:999px;font-weight:500;
  }

  /* ===== 摄影画廊 ===== */
  .gallery-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  }
  .g-item{position:relative;border-radius:10px;overflow:hidden;background:var(--line)}
  .g-item img{width:100%;height:200px;object-fit:cover;display:block;transition:transform .5s ease}
  .g-item:hover img{transform:scale(1.05)}
  .g-cap{
    position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;
    color:#fff;font-size:13px;letter-spacing:.06em;
    background:linear-gradient(to top,rgba(20,24,26,.55),transparent);
  }
  .g-cap small{display:block;font-size:11px;opacity:.8;letter-spacing:.15em}

  /* ===== 文章 ===== */
  .filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
  .f-btn{
    font-family:"Noto Sans SC",sans-serif;font-size:14px;font-weight:500;
    color:var(--muted);background:transparent;border:1px solid var(--line);
    padding:7px 18px;border-radius:999px;cursor:pointer;transition:all .2s;
  }
  .f-btn:hover{border-color:var(--accent);color:var(--accent)}
  .f-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
  .art-list{border-top:1px solid var(--line)}
  .art{
    display:grid;grid-template-columns:140px 1fr auto;gap:20px;
    align-items:baseline;padding:26px 4px;border-bottom:1px solid var(--line);
    transition:background .2s;
  }
  .art:hover{background:rgba(42,107,95,.04)}
  .art-meta{font-size:13px;color:var(--faint);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
  .art-body .art-cat{
    display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--accent-ink);
    background:var(--accent-soft);padding:3px 12px;border-radius:999px;margin-bottom:8px;font-weight:600;
  }
  .art-title{font-family:"Noto Serif SC",serif;font-size:19px;font-weight:600;transition:color .2s}
  .art:hover .art-title{color:var(--accent)}
  .art-title a{color:inherit;text-decoration:none}
  .art-excerpt{margin-top:6px;font-size:14px;color:var(--muted);font-weight:300;max-width:560px}
  .art-time{font-size:13px;color:var(--faint);font-family:ui-monospace,Menlo,monospace;white-space:nowrap}
  .empty{display:none;text-align:center;padding:60px 0;color:var(--muted);font-size:15px}

  /* ===== 文章详情页 ===== */
  .article-head{max-width:1040px;margin:0 auto;padding:72px 24px 40px;border-bottom:1px solid var(--line)}
  .back-link{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:34px;transition:color .2s}
  .back-link:hover{color:var(--accent)}
  .back-link svg{width:14px;height:14px}
  .article-head .art-cat{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--accent-ink);background:var(--accent-soft);padding:4px 14px;border-radius:999px;font-weight:600;margin-bottom:22px}
  .article-head h1{font-family:"Noto Serif SC",serif;font-weight:900;font-size:clamp(30px,4.6vw,46px);line-height:1.28;letter-spacing:.01em;max-width:820px}
  .article-head .art-meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:24px;font-size:13.5px;color:var(--faint);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
  .article-head .art-meta span{display:inline-flex;align-items:center;gap:6px}

  .layout{max-width:1040px;margin:0 auto;padding:44px 24px 40px;display:flex;gap:48px;align-items:flex-start}
  .toc{width:200px;flex:none;position:sticky;top:100px;font-size:13.5px;color:var(--muted)}
  .toc-title{font-size:12px;letter-spacing:.2em;color:var(--faint);margin-bottom:14px;font-weight:600}
  .toc a{display:block;padding:6px 0;border-bottom:1px dashed var(--line);transition:color .2s}
  .toc a:hover{color:var(--accent)}
  .toc a.active{color:var(--accent);font-weight:600}
  .article{flex:1;max-width:700px}
  .article .lead{font-size:19px;line-height:1.9;color:#3D4247;font-family:"Noto Serif SC",serif;font-weight:400;margin-bottom:34px;padding-bottom:26px;border-bottom:1px solid var(--line)}
  .article h2{font-family:"Noto Serif SC",serif;font-weight:700;font-size:26px;margin:46px 0 18px;letter-spacing:.01em}
  .article h2::before{content:"· ";color:var(--accent)}
  .article h3{font-family:"Noto Serif SC",serif;font-weight:600;font-size:21px;margin:36px 0 14px}
  .article p{font-family:"Noto Serif SC",serif;font-size:17px;line-height:2;color:#33383C;font-weight:400;margin-bottom:20px}
  .article p code,.article li code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86em;color:var(--accent-ink);background:var(--accent-soft);padding:2px 6px;border-radius:5px}
  .article ul, .article ol{font-family:"Noto Serif SC",serif;font-size:17px;line-height:2;color:#33383C;margin:0 0 20px 1.2em}
  .article ul li, .article ol li{margin-bottom:6px}
  .article pre{background:var(--code-bg);border:1px solid var(--line);border-radius:12px;padding:20px 22px;overflow-x:auto;margin:22px 0;font-size:13.5px;line-height:1.8;color:#2A2E33}
  .article pre code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:none;padding:0;color:inherit}
  .article blockquote{border-left:3px solid var(--accent);background:var(--accent-soft);padding:18px 22px;border-radius:0 12px 12px 0;margin:26px 0;font-family:"Noto Serif SC",serif;font-size:16px;line-height:1.9;color:var(--accent-ink)}
  .article blockquote p{margin:0;color:var(--accent-ink);font-size:16px}
  .article img{max-width:100%;border-radius:8px;margin:20px 0}
  .article table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
  .article table th,.article table td{border:1px solid var(--line);padding:10px 14px;text-align:left}
  .article table th{background:var(--code-bg);font-weight:600}

  /* ===== 文章尾部导航 ===== */
  .art-foot{max-width:1040px;margin:0 auto;padding:30px 24px 60px}
  .art-foot .wrap{max-width:748px;margin:0 0 0 auto}
  .art-nav{display:flex;gap:20px;border-top:1px solid var(--line);padding-top:26px}
  .art-nav a{flex:1;display:block;padding:20px;border:1px solid var(--line);border-radius:12px;transition:all .2s}
  .art-nav a:hover{border-color:var(--accent);transform:translateY(-2px)}
  .art-nav .nav-label{font-size:12px;letter-spacing:.15em;color:var(--faint);margin-bottom:6px}
  .art-nav .nav-title{font-family:"Noto Serif SC",serif;font-weight:600;font-size:16px;color:var(--ink)}
  .art-nav a:hover .nav-title{color:var(--accent)}
  .art-nav a.next{text-align:right}

  /* ===== 分页 ===== */
  .paginator{text-align:center;margin-top:40px;font-size:14px}
  .paginator .page-number, .paginator .extend{display:inline-block;margin:0 6px;padding:8px 16px;border:1px solid var(--line);border-radius:8px;color:var(--muted);transition:all .2s}
  .paginator .page-number.current, .paginator .page-number:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
  .paginator .extend:hover{border-color:var(--accent);color:var(--accent)}

  /* ===== 通用页面段落 ===== */
  .page-section{padding:72px 24px}

  /* ===== 社交 ===== */
  .social{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .social-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  }
  .s-item{
    display:flex;align-items:center;gap:14px;padding:18px 16px;
    border:1px solid var(--line);border-radius:12px;transition:all .2s;
  }
  .s-item:hover{border-color:var(--accent);transform:translateY(-2px)}
  .s-badge{
    width:44px;height:44px;border-radius:10px;flex:none;
    display:grid;place-items:center;font-family:"Noto Serif SC",serif;
    font-weight:700;font-size:16px;color:#fff;
  }
  .s-item .s-name{font-size:14px;font-weight:600}
  .s-item .s-desc{font-size:12px;color:var(--faint)}

  /* ===== Footer ===== */
  footer{padding:46px 24px;text-align:center;color:var(--faint);font-size:13px}
  footer .foot-line{letter-spacing:.12em;margin-bottom:6px}

  /* ===== 提示气泡 ===== */
  .toast{
    position:fixed;left:50%;bottom:36px;transform:translateX(-50%) translateY(20px);
    background:var(--ink);color:#fff;padding:11px 22px;border-radius:10px;font-size:14px;
    opacity:0;pointer-events:none;transition:all .3s;z-index:100;
  }
  .toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

  @media (prefers-reduced-motion:reduce){*{transition:none!important}}

  /* ===== 响应式 ===== */
  @media (max-width:980px){
    .toc{display:none}
    .layout{flex-direction:column;gap:0}
    .article{max-width:100%}
    .art-foot .wrap{margin:0}
  }
  @media (max-width:820px){
    .hero{padding:90px 20px 50px}
    section{padding:56px 20px}
    .page-section{padding:56px 20px}
    .gallery-grid{grid-template-columns:repeat(2,1fr)}
    .social-grid{grid-template-columns:repeat(2,1fr)}
    .art{grid-template-columns:1fr;gap:8px}
    .art-time{display:none}
    .article-head{padding:48px 20px 30px}
    .layout{padding:30px 20px}
    .art-nav{flex-direction:column}
    .art-nav a.next{text-align:left}
    .article h2{font-size:22px}
    .article .lead{font-size:17px}
  }
  @media (max-width:480px){
    .gallery-grid{grid-template-columns:1fr}
    .social-grid{grid-template-columns:1fr}
    .nav-links{gap:16px}
    .f-btn{min-height:44px;min-width:44px}
    .nav-links a{display:block;line-height:32px}
  }