:root{--fire:#922f25;--fire2:#54251f;--earth:#bd8236;--gold:#e6c58c;--paper:#f7f0e3;--ink:#33251f;--muted:#75665b;--line:#e3d3b8}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}.site-header{display:grid;grid-template-columns:minmax(280px,42%) 1fr;background:var(--fire2);min-height:150px;border-bottom:3px solid var(--earth)}.brand{display:flex;align-items:center;gap:16px;padding:22px 4vw;color:var(--gold);text-decoration:none}.brand strong{display:block;font-family:Georgia,serif;font-size:clamp(1.2rem,2.3vw,2rem);letter-spacing:.04em}.brand small{display:block;color:#f1d9b0;font-size:.82rem;margin-top:6px}.yin-yang{font-size:62px;line-height:1;color:var(--gold);text-shadow:0 0 16px #d8a84c}.header-art{background:linear-gradient(90deg,var(--fire2),transparent 40%),url('/assets/banner-kinh-dich.png') center 35%/cover;min-height:150px}.main-nav{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;background:var(--earth);padding:10px}.main-nav a{color:white;text-decoration:none;padding:8px 18px;border-radius:4px;font-weight:650}.main-nav a:hover{background:#8f4c25}.container{width:min(1120px,92%);margin:28px auto 48px;min-height:42vh}.panel,.article-card,.form-card{background:#fffaf1;border:1px solid var(--line);border-radius:12px;padding:22px;margin:18px 0;box-shadow:0 5px 18px #4c2a140a}.hero-title{font-family:Georgia,serif;color:var(--fire);margin-top:0}.muted{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.btn,button{display:inline-block;background:var(--fire);color:white;border:0;border-radius:7px;padding:10px 16px;text-decoration:none;cursor:pointer;font:inherit}.btn:hover,button:hover{background:#6f241d}input,textarea,select{width:100%;padding:11px;border:1px solid #cbb99d;border-radius:7px;background:white;font:inherit;color:var(--ink)}label{display:block;font-weight:650;margin:12px 0 5px}.form-row{margin-bottom:10px}.captcha-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.captcha-row img{width:180px;height:58px;border:1px solid var(--line);border-radius:6px}.notice{padding:12px;border-radius:7px;background:#edf6e9;border:1px solid #b6d7aa}.error{background:#fff0ed;border-color:#e5a69b}.post-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.post-card{background:#fffaf1;border:1px solid var(--line);border-radius:10px;padding:18px}.post-card h2{font-size:1.2rem;line-height:1.35;margin-top:0}.post-card a{color:var(--fire)}.site-footer{background:var(--fire2);color:#f5dfb8;padding:28px 4%;text-align:center}.socials{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin:10px}.socials a{color:var(--gold)}.site-footer small{color:#cfbda4}.hexagram-lines{font-size:1.8rem;letter-spacing:.2em;line-height:1.2}.admin-nav{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}.admin-nav a{color:var(--fire)}table{width:100%;border-collapse:collapse}td,th{border-bottom:1px solid var(--line);padding:9px;text-align:left}@media(max-width:700px){.site-header{grid-template-columns:1fr}.brand{padding:16px 5%}.yin-yang{font-size:48px}.header-art{min-height:105px}.grid,.post-list{grid-template-columns:1fr}.container{width:94%;margin-top:18px}.panel,.article-card,.form-card{padding:16px}.main-nav a{padding:6px 10px;font-size:.92rem}}