:root{
    --bg:#f5f1ea; --ink:#2b2733; --soft:#6b6478; --line:#e2dccf;
    --card:#fffdf8; --shadow:0 1px 2px rgba(40,30,60,.05),0 8px 26px rgba(40,30,60,.07);
    --plum:#5b3a72; --plum2:#7a4e97; --indigo:#3a3a7a; --gold:#b98338; --gold-bg:#f6ecd8;
    --teal:#2f7d73; --rose:#a53d6b;
    --serif:"Noto Serif TC",'Songti TC','STSong',serif;
    --sans:"Noto Sans TC",'PingFang TC','Microsoft JhengHei',system-ui,sans-serif;

    /* site-nav (ported from the main website) */
    --navh:64px;
    --sn-bg:rgba(245,243,239,.9); --sn-text:#50698D; --sn-strong:#102B53;
    --sn-accent:#b896c0; --sn-line:#e8e5dd; --sn-menu-bg:#f5f3ef;
    --sn-tg-bg:#102B53; --sn-tg-fg:#f5f3ef;
  }
  @media (prefers-color-scheme:dark){
    :root:not([data-theme="light"]){
      --bg:#17141d; --ink:#ece7f1; --soft:#a99fb8; --line:#2e2839;
      --card:#201b29; --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px rgba(0,0,0,.35);
      --plum:#c8a5e0; --plum2:#b98fd4; --indigo:#9aa0e6; --gold:#e0b978; --gold-bg:#332913;
      --teal:#66c2b5; --rose:#e488b3;

      --sn-bg:rgba(23,20,29,.92); --sn-text:#a99fb8; --sn-strong:#ece7f1;
      --sn-accent:#c8a5e0; --sn-line:#2e2839; --sn-menu-bg:#17141d;
      --sn-tg-bg:#c8a5e0; --sn-tg-fg:#17141d;
    }
  }
  *{box-sizing:border-box}
  body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
       line-height:1.9;-webkit-font-smoothing:antialiased;letter-spacing:.01em;overflow-x:hidden}
  .wrap{max-width:820px;margin:0 auto;padding:0 22px 90px}

  /* ---- header ---- */
  header{padding:52px 0 30px;text-align:center;border-bottom:1px solid var(--line);margin-bottom:14px}
  .kicker{font-size:13px;letter-spacing:.32em;color:var(--gold);font-weight:700;margin-bottom:14px}
  h1{font-family:var(--serif);font-weight:700;font-size:30px;margin:0 0 6px;letter-spacing:.04em}
  .subtitle{color:var(--soft);font-size:15px;margin-top:8px}
  .meta{display:inline-flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:20px}
  .chip{font-size:13px;padding:5px 14px;border:1px solid var(--line);border-radius:999px;
        background:var(--card);color:var(--soft)}
  .chip b{color:var(--ink);font-weight:600}

  /* ---- overview ---- */
  .overview{background:var(--card);border:1px solid var(--line);border-radius:16px;
            padding:22px 26px;margin:26px 0 8px;box-shadow:var(--shadow)}
  .overview h2{font-family:var(--serif);font-size:17px;margin:0 0 8px;color:var(--plum2)}
  .overview p{margin:0;color:var(--ink);font-size:15.5px}

  /* ---- slide block ---- */
  .slide{background:var(--card);border:1px solid var(--line);border-radius:18px;
         padding:30px 30px 26px;margin:30px 0;box-shadow:var(--shadow);position:relative;overflow:hidden}
  .slide::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;
         background:linear-gradient(var(--plum2),var(--indigo))}
  .snum{display:flex;align-items:center;gap:12px;margin-bottom:4px}
  .snum .n{font-family:var(--serif);font-weight:700;font-size:13px;color:#fff;background:var(--plum);
        min-width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;
        padding:0 8px;letter-spacing:.02em}
  .snum h3{font-family:var(--serif);font-size:21px;margin:0;font-weight:700;letter-spacing:.03em}

  .orig{font-family:var(--serif);background:linear-gradient(180deg,#2a2350,#20204a);color:#efeaff;
        border-radius:12px;padding:18px 20px;margin:16px 0 20px;font-size:15.5px;line-height:2.05;
        border:1px solid #3a356a;overflow-wrap:break-word}
  .orig .em{color:#f4b95e;font-weight:600}
  .orig .em2{color:#7ee0d2}
  .orig small{display:block;color:#b3aed6;font-size:12.5px;margin-top:10px;font-family:var(--sans)}

  .lead{font-family:var(--serif);font-size:16.5px;color:var(--plum2);margin:2px 0 18px;font-weight:600}

  .sec{margin:18px 0}
  .sec .tag{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;
        padding:3px 12px;border-radius:7px;margin-bottom:9px}
  .tag.sum{color:var(--indigo);background:color-mix(in srgb,var(--indigo) 12%,transparent)}
  .tag.psy{color:var(--rose);background:color-mix(in srgb,var(--rose) 13%,transparent)}
  .tag.east{color:var(--gold);background:var(--gold-bg)}
  .sec p{margin:0 0 10px;font-size:15.5px}
  .sec p:last-child{margin-bottom:0}
  .term{color:var(--plum2);font-weight:600}
  em{font-style:normal;color:var(--rose);font-weight:600}

  /* ---- reflection ---- */
  .reflect{background:linear-gradient(135deg,#4a2f66,#33356e);color:#f3eeff;border-radius:18px;
        padding:30px 30px;margin:38px 0 0;text-align:center;box-shadow:var(--shadow)}
  .reflect .tag{color:#f4b95e;letter-spacing:.28em;font-size:12.5px;font-weight:700}
  .reflect p{font-family:var(--serif);font-size:19px;line-height:1.9;margin:14px 0 0;font-weight:600}
  .reflect .practice{font-family:var(--sans);font-size:14.5px;color:#cfc7e6;font-weight:400;margin-top:16px;line-height:1.85}

  footer{text-align:center;color:var(--soft);font-size:13px;margin-top:40px;
         padding-top:20px;border-top:1px solid var(--line)}


  /* ===== dashboard shell ===== */
  .app{display:flex;min-height:100vh;max-width:1200px;margin:0 auto}
  .side{width:300px;flex:none;border-right:1px solid var(--line);padding:28px 18px 40px;
        position:sticky;top:var(--navh);align-self:flex-start;height:calc(100vh - var(--navh));overflow:auto}
  .brand{font-family:var(--serif);font-weight:700;font-size:19px;line-height:1.55;letter-spacing:.03em}
  .brand .en{display:block;font-family:var(--sans);font-size:11.5px;letter-spacing:.3em;
        color:var(--gold);font-weight:700;margin-top:8px}
  .prog{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:17px 17px 15px;
        box-shadow:var(--shadow);margin:20px 0 22px}
  .prog .num{font-size:13.5px;color:var(--soft)}
  .prog .num b{font-family:var(--serif);font-size:27px;color:var(--plum2);font-weight:700;margin-right:2px}
  .bar{height:9px;border-radius:99px;background:color-mix(in srgb,var(--plum2) 15%,transparent);
        margin:13px 0 9px;overflow:hidden}
  .bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--plum2),var(--gold));
        transition:width .6s ease}
  .prog .sub{font-size:12.5px;color:var(--soft)}
  .navttl{font-size:11px;letter-spacing:.22em;color:var(--soft);font-weight:700;margin:4px 4px 11px}
  #dayList{display:flex;flex-direction:column}
  .daybtn{width:100%;text-align:left;background:transparent;border:1px solid transparent;border-radius:12px;
        padding:11px 13px;margin-bottom:6px;cursor:pointer;color:var(--ink);font-family:var(--sans);
        transition:background .15s,border-color .15s;display:block}
  .daybtn:hover{background:var(--card);border-color:var(--line)}
  .daybtn.active{background:var(--card);border-color:var(--plum2);box-shadow:var(--shadow)}
  .daybtn .d{font-family:var(--serif);font-weight:700;font-size:14px;color:var(--plum2);letter-spacing:.02em}
  .daybtn .t{font-size:13px;color:var(--ink);margin:3px 0 1px;line-height:1.5}
  .daybtn .m{font-size:11.5px;color:var(--soft)}
  .reader{flex:1;min-width:0;padding:38px 42px 90px;max-width:830px;margin:0 auto;overflow-wrap:break-word}
  .rhead{text-align:center;border-bottom:1px solid var(--line);padding-bottom:24px}
  .rhead .kicker{font-size:12.5px;letter-spacing:.3em;color:var(--gold);font-weight:700}
  .rhead h1{font-family:var(--serif);font-weight:700;font-size:27px;margin:12px 0 6px;letter-spacing:.04em}
  .rhead .sub{color:var(--soft);font-size:14.5px}
  .rfoot{text-align:center;color:var(--soft);font-size:12.5px;margin-top:42px;padding-top:20px;border-top:1px solid var(--line)}


  /* ===== site nav (matches the main website) ===== */
  .site-nav{position:sticky;top:0;z-index:100;background:var(--sn-bg);
        backdrop-filter:saturate(1.2) blur(14px);-webkit-backdrop-filter:saturate(1.2) blur(14px);
        border-bottom:1px solid var(--sn-line)}
  .site-nav-inner{max-width:1200px;margin:0 auto;padding:12px 24px;min-height:40px;
        display:flex;align-items:center;justify-content:space-between;gap:16px}
  .site-nav .nav-mark{font-family:'Fraunces',var(--serif);font-size:1.2rem;font-weight:400;
        letter-spacing:-.01em;text-decoration:none;color:var(--sn-strong);
        display:inline-flex;align-items:center;gap:.6rem;white-space:nowrap}
  .site-nav .nav-mark em{font-style:italic;color:var(--sn-accent);font-weight:300}
  .site-nav .nav-mark-logo{height:26px;width:auto;display:block}
  .site-nav .nav-links{display:flex;gap:2.2rem;list-style:none;margin:0;padding:0;
        font-family:'Manrope',var(--sans);font-size:.78rem;letter-spacing:.18em;
        text-transform:uppercase;font-weight:500}
  .site-nav .nav-links a{color:var(--sn-text);text-decoration:none;transition:color .25s ease;
        position:relative;padding:.3rem 0;white-space:nowrap}
  .site-nav .nav-links a:hover{color:var(--sn-strong)}
  .site-nav .nav-links a.active{color:var(--sn-strong)}
  .site-nav .nav-links > li > a.active::before{content:"";position:absolute;left:-.7rem;top:50%;
        transform:translateY(-50%);width:5px;height:5px;border-radius:50%;background:var(--sn-accent)}
  .site-nav .nav-actions{display:flex;align-items:center;gap:1rem}
  .site-nav .lang-toggle{display:inline-flex;align-items:center;padding:.25rem;border:1px solid var(--sn-line);
        border-radius:999px;background:color-mix(in srgb,var(--sn-menu-bg) 55%,transparent);gap:.15rem}
  .site-nav .lang-toggle button{font-family:'Manrope',var(--sans);font-size:.72rem;letter-spacing:.12em;
        font-weight:600;text-transform:uppercase;color:var(--sn-text);background:transparent;border:0;
        cursor:pointer;padding:.35rem .75rem;border-radius:999px;transition:background .25s,color .25s;line-height:1}
  .site-nav .lang-toggle button:hover{color:var(--sn-strong)}
  .site-nav .lang-toggle button.active{background:var(--sn-tg-bg);color:var(--sn-tg-fg)}
  .site-nav .lang-toggle button[data-lang="zh"]{font-family:var(--serif);font-weight:400;
        letter-spacing:.08em;font-size:.85rem}
  .site-nav .nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;
        background:transparent;border:0;cursor:pointer;padding:.5rem;width:44px;height:44px;position:relative;z-index:101}
  .site-nav .nav-toggle span{display:block;width:22px;height:1.5px;background:var(--sn-strong);
        transition:transform .3s ease,opacity .25s ease;transform-origin:center}
  .site-nav .nav-toggle.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .site-nav .nav-toggle.open span:nth-child(2){opacity:0}
  .site-nav .nav-toggle.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
  /* dropdown */
  .site-nav .nav-dropdown{position:relative}
  .site-nav .nav-dropdown-menu{display:none;position:absolute;top:calc(100% + 1px);left:50%;
        transform:translateX(-50%);background:var(--sn-menu-bg);border:1px solid var(--sn-line);
        list-style:none;margin:0;padding:.5rem 0;min-width:205px;z-index:200;
        box-shadow:0 8px 24px -8px rgba(16,43,83,.18)}
  .site-nav .nav-dropdown:hover .nav-dropdown-menu,
  .site-nav .nav-dropdown:focus-within .nav-dropdown-menu{display:block}
  .site-nav .nav-dropdown-menu li a{display:block;padding:.6rem 1.3rem;font-size:.7rem;letter-spacing:.14em;
        text-transform:uppercase;color:var(--sn-text);text-decoration:none;white-space:nowrap;
        font-weight:500;transition:color .2s ease,background .2s ease}
  .site-nav .nav-dropdown-menu li a:hover{color:var(--sn-strong);
        background:color-mix(in srgb,var(--sn-accent) 15%,transparent)}
  .site-nav .nav-dropdown-menu li a.active{color:var(--sn-strong)}
  .site-nav .nav-dropdown-menu li a.active::before{display:none}
  /* mobile slide-down menu */
  .mobile-menu{display:none;position:fixed;top:var(--navh);left:0;right:0;background:var(--sn-menu-bg);
        border-bottom:1px solid var(--sn-line);padding:1rem 24px 1.6rem;z-index:99;
        max-height:calc(100vh - var(--navh));overflow:auto}
  .mobile-menu.open{display:block}
  .mobile-menu ul{list-style:none;margin:0;padding:0;display:grid;gap:.35rem}
  .mobile-menu a{display:block;padding:.7rem 0;font-family:'Fraunces',var(--serif);font-size:1.3rem;
        text-decoration:none;color:var(--sn-strong);border-bottom:1px solid var(--sn-line)}
  .mobile-menu .mobile-sub-item > a{font-size:1.05rem;padding-left:1rem;color:var(--sn-accent)}

  /* ===== book sub-tabs (每日導讀 / 簡報全覽) ===== */
  .bookbar{background:color-mix(in srgb,var(--bg) 90%,transparent);
        backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
  .bookbar-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:8px;
        padding:10px 24px;flex-wrap:wrap}
  .bookbar-logo{font-family:var(--serif);font-weight:700;font-size:15px;letter-spacing:.03em;
        margin-right:auto;color:var(--ink)}
  .bookbar-tab{font-family:var(--sans);font-size:14px;color:var(--soft);text-decoration:none;
        padding:6px 13px;border-radius:9px;border:1px solid transparent;white-space:nowrap}
  .bookbar-tab:hover{background:var(--card);border-color:var(--line);color:var(--ink)}
  .bookbar-tab.active{background:var(--card);border-color:var(--plum2);color:var(--plum2);font-weight:600}

  /* ===== responsive: navigation ===== */
  @media(max-width:820px){
    .site-nav .nav-links{display:none}
    .site-nav .nav-toggle{display:flex}
    .site-nav .nav-actions{gap:.4rem}
    .site-nav .lang-toggle button{padding:.3rem .55rem;font-size:.68rem}
    .site-nav .lang-toggle button[data-lang="zh"]{font-size:.8rem}
  }
  @media(max-width:380px){
    .site-nav .lang-toggle button{padding:.28rem .45rem;font-size:.64rem}
    .site-nav .lang-toggle button[data-lang="zh"]{font-size:.74rem}
    .site-nav .nav-mark{font-size:1.02rem;gap:.45rem}
    .site-nav .nav-mark-logo{height:20px}
  }

  /* ===== responsive: reading dashboard ===== */
  @media(max-width:860px){
    .app{flex-direction:column}
    .side{width:100%;max-width:100%;min-width:0;height:auto;position:static;border-right:none;
          border-bottom:1px solid var(--line);padding:18px 16px}
    #dayList{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px;min-width:0;-webkit-overflow-scrolling:touch}
    .daybtn{min-width:180px;margin-bottom:0}
    .reader{padding:24px 16px 64px}
    .rhead h1{font-size:22px}
    .overview{padding:18px 18px}
    .slide{padding:22px 18px 20px;margin:22px 0;border-radius:14px}
    .snum h3{font-size:18px;line-height:1.35}
    .orig{padding:15px 15px;font-size:15px;line-height:1.95}
    .lead{font-size:15.5px}
    .sec p{font-size:15px}
    .reflect{padding:24px 20px}
    .reflect p{font-size:17px}
    .reflect .practice{font-size:14px}
  }
  @media(max-width:560px){
    .site-nav-inner{padding:10px 16px}
    .bookbar-inner{padding:9px 16px}
    .mobile-menu{padding-left:16px;padding-right:16px}
    .reader{padding:20px 14px 56px}
    .rhead h1{font-size:20px}
    .rhead .sub{font-size:13px}
    .slide{padding:18px 15px 16px}
    .snum{gap:9px}
    .snum .n{min-width:26px;height:26px;font-size:12px}
    .snum h3{font-size:16.5px}
    .orig{font-size:14.5px;padding:14px 13px;line-height:1.9}
    .lead{font-size:15px}
    .sec p{font-size:14.5px;line-height:1.85}
    .sec .tag{font-size:12px}
    .reflect p{font-size:16px}
    .reflect .practice{font-size:13.5px}
    .prog .num b{font-size:24px}
    .bookbar-logo{font-size:13.5px}
  }


  /* ===== gallery (簡報全覽) ===== */
  .gwrap{max-width:1200px;margin:0 auto;padding:26px 20px 80px}
  .ghead{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:6px}
  .ghead h1{font-family:var(--serif);font-size:24px;margin:0;letter-spacing:.03em}
  .ghead .count{color:var(--soft);font-size:14px}
  .gtools{display:flex;gap:10px;align-items:center;margin:14px 0 20px;flex-wrap:wrap}
  .gtools input{font-family:var(--sans);font-size:14px;padding:9px 12px;border-radius:10px;
        border:1px solid var(--line);background:var(--card);color:var(--ink);width:120px}
  .gtools .hint{color:var(--soft);font-size:12.5px}
  .grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
  .gcell{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#1c1830;cursor:pointer;
        box-shadow:var(--shadow);position:relative;aspect-ratio:4/3}
  .gcell img{width:100%;height:100%;object-fit:cover;display:block;background:#1c1830}
  .gcell .lbl{position:absolute;left:8px;bottom:8px;font-size:11.5px;color:#fff;background:rgba(20,12,40,.7);
        padding:2px 8px;border-radius:6px;font-family:var(--serif)}
  /* lightbox */
  .lbox{position:fixed;inset:0;background:rgba(10,7,20,.94);display:none;z-index:50;
        align-items:center;justify-content:center;flex-direction:column;padding:24px}
  .lbox.open{display:flex}
  .lbox img{max-width:96vw;max-height:82vh;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.6)}
  .lbox .cap{color:#e9e2f5;font-family:var(--serif);margin-top:14px;font-size:15px}
  .lbox .x{position:absolute;top:18px;right:22px;color:#fff;font-size:26px;cursor:pointer;
        background:none;border:none;line-height:1}
  .lbox .arw{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.1);
        border:1px solid rgba(255,255,255,.2);color:#fff;font-size:26px;width:52px;height:52px;border-radius:50%;
        cursor:pointer;display:flex;align-items:center;justify-content:center}
  .lbox .prev{left:18px} .lbox .next{right:18px}
  @media(max-width:860px){ .grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
        .lbox .arw{width:44px;height:44px} }

  /* prevent any wide media from causing horizontal scroll */
  img,svg,video,iframe,canvas{max-width:100%}