:root{
  --navy:#0e2a47;--navy-2:#13375d;--gold:#c9a34e;--gold-soft:#e3c883;
  --ink:#1c2a38;--muted:#5c6b7a;--line:#e6e9ee;--bg:#fff;--bg-soft:#f6f8fb;
  --shadow:0 10px 40px rgba(14,42,71,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter','Noto Sans SC',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
html[data-lang="zh"] body{font-family:'Noto Sans SC','Inter',system-ui,sans-serif}
h1,h2,h3{font-family:'Playfair Display',serif}
html[data-lang="zh"] h1,html[data-lang="zh"] h2,html[data-lang="zh"] h3{font-family:'Noto Sans SC','Playfair Display',serif;font-weight:600}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{width:100%;max-width:1000px;margin:0 auto;padding:0 24px}
.gold{color:var(--gold)}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;max-width:1160px;margin:0 auto;padding:0 24px}
.logo-img{height:46px;width:auto;display:block}
.nav .right{display:flex;align-items:center;gap:14px}
.nav .back{font-size:14px;font-weight:600;color:var(--muted)}
.nav .back:hover{color:var(--navy)}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:#fff}
.lang button{border:0;background:transparent;padding:7px 13px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;font-family:inherit}
.lang button.active{background:var(--navy);color:#fff}

/* page head */
.phead{background:linear-gradient(160deg,#0e2a47,#13375d 60%,#1a4a7a);color:#fff;padding:64px 0 58px;position:relative;overflow:hidden}
.phead::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 340px at 85% -10%,rgba(201,163,78,.2),transparent 60%)}
.phead .container{position:relative}
.phead .tag{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-soft);font-weight:700;margin-bottom:12px}
html[data-lang="zh"] .phead .tag{letter-spacing:.05em}
.phead h1{font-size:40px;line-height:1.15}
.phead p{margin-top:14px;color:#cdd9e6;font-weight:300;max-width:620px}

/* news list (board) */
.board{padding:56px 0 80px}
.post-row{display:flex;align-items:center;gap:20px;padding:24px 4px;border-bottom:1px solid var(--line);transition:.2s}
.post-row:hover{padding-left:12px}
.post-row .date{flex:none;width:96px;text-align:center;border-right:2px solid var(--gold);padding-right:16px}
.post-row .date .d{font-family:'Playfair Display',serif;font-size:26px;font-weight:700;color:var(--navy);line-height:1}
.post-row .date .my{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-top:4px}
.post-row .body{flex:1;min-width:0}
.post-row h3{font-size:20px;color:var(--navy);margin-bottom:6px}
.post-row:hover h3{color:var(--navy-2)}
.post-row p{color:var(--muted);font-weight:300;font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-row .arrow{flex:none;color:var(--gold);font-size:22px;transition:transform .2s}
.post-row:hover .arrow{transform:translateX(5px)}
.post-row.with-cover .thumb{flex:none;width:120px;height:80px;border-radius:10px;object-fit:cover;border:1px solid var(--line)}

.empty{text-align:center;color:var(--muted);padding:70px 0;font-weight:300}

/* article */
.article{padding:56px 0 90px;max-width:760px}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:14px;display:flex;gap:10px;align-items:center}
.article .meta .dot{color:var(--gold)}
.article h1{font-size:38px;line-height:1.18;color:var(--navy);margin-bottom:22px;letter-spacing:-.3px}
.article .cover{width:100%;border-radius:16px;margin-bottom:30px;box-shadow:var(--shadow)}
.fallback-note{background:#fbf3e0;border:1px solid #ecd9a8;color:#8a6d2b;padding:10px 16px;border-radius:10px;font-size:13.5px;margin-bottom:22px}
.prose{font-size:17.5px;color:#2c3a48;font-weight:300}
.prose p{margin:0 0 20px}
.prose h2{font-size:26px;color:var(--navy);margin:34px 0 14px}
.prose h3{font-size:21px;color:var(--navy);margin:28px 0 12px}
.prose ul,.prose ol{margin:0 0 20px 22px}
.prose li{margin:6px 0}
.prose a{color:var(--navy-2);text-decoration:underline;text-decoration-color:var(--gold)}
.prose strong{font-weight:600;color:var(--ink)}
.prose img{border-radius:12px;margin:16px 0}
.prose blockquote{border-left:3px solid var(--gold);padding:6px 18px;margin:20px 0;color:var(--muted);font-style:italic}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--gold);color:#20170a;padding:12px 24px;border-radius:999px;font-weight:600;font-size:14.5px;cursor:pointer;border:0;font-family:inherit;transition:transform .2s,box-shadow .2s;box-shadow:0 6px 18px rgba(201,163,78,.35)}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(201,163,78,.45)}
.btn.ghost{background:transparent;color:var(--navy);box-shadow:none;border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--navy)}
.btn.dark{background:var(--navy);color:#fff;box-shadow:none}
.center{text-align:center;margin-top:44px}
.backlink{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-weight:600;font-size:14px;margin-bottom:26px}
.backlink:hover{color:var(--navy)}

/* footer */
footer{background:#0b2138;color:#9fb3c7;padding:40px 0;font-size:14px;text-align:center;font-weight:300}
footer a{color:var(--gold-soft)}

/* admin */
.admin-wrap{max-width:820px;margin:0 auto;padding:40px 24px 80px}
.login-box{max-width:380px;margin:8vh auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:38px 32px;box-shadow:var(--shadow);text-align:center}
.login-box h2{color:var(--navy);font-size:24px;margin-bottom:8px}
.login-box p{color:var(--muted);font-size:14px;font-weight:300;margin-bottom:22px}
.field{margin-bottom:18px;text-align:left}
.field label{display:block;font-size:13px;font-weight:600;color:var(--navy);margin-bottom:7px}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--ink);background:#fff}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--gold)}
.field textarea{min-height:240px;resize:vertical;line-height:1.7}
.field .hint{font-size:12px;color:var(--muted);margin-top:6px;font-weight:300}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.msg{padding:10px 14px;border-radius:10px;font-size:14px;margin-bottom:16px;display:none}
.msg.ok{background:#e7f6ec;color:#137a3a;display:block}
.msg.err{background:#fdeaea;color:#c0392b;display:block}
.alist{margin-top:34px}
.arow{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff}
.arow .t{flex:1;min-width:0}
.arow .t b{color:var(--navy);font-size:15.5px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.arow .t span{color:var(--muted);font-size:12.5px}
.arow button{border:0;background:var(--bg-soft);color:var(--navy);padding:8px 14px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit}
.arow button.del{color:#c0392b}
.arow button:hover{background:var(--line)}
.card-panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow);margin-bottom:20px}
.card-panel h3{color:var(--navy);font-size:20px;margin-bottom:18px}
.langnote{background:#fbf6e9;border:1px solid #ecd9a8;color:#8a6d2b;border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:16px}
.tabs{display:flex;gap:6px;margin-bottom:20px;border-bottom:1px solid var(--line)}
.tabs button{border:0;background:none;padding:10px 18px;font-size:14.5px;font-weight:600;color:var(--muted);cursor:pointer;font-family:inherit;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs button.active{color:var(--navy);border-bottom-color:var(--gold)}

@media(max-width:640px){
  .phead h1{font-size:30px}
  .article h1{font-size:28px}
  .prose{font-size:16.5px}
  .post-row .date{width:74px}
  .post-row.with-cover .thumb{display:none}
  .logo-img{height:38px}
}