:root{--lx-bg:#f5f0e6;--lx-paper:#fbf8f2;--lx-ink:#15120e;--lx-soft:#4a4239;--lx-mt:#857a6c;--lx-pr:#a47b3f;--lx-gold:#c49a55;--lx-gold2:#e9d3a3;--lx-night:#0e0d0c;--lx-night2:#1a1714;--lx-line:#ddd3c2;--lx-w:1200px;--lx-read:720px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--lx-bg);color:var(--lx-ink);font:17px/1.75 'Be Vietnam Pro',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:'Playfair Display',Georgia,serif;font-weight:600;line-height:1.18;letter-spacing:-.01em;margin:0}
.wrap{max-width:var(--lx-w);margin:0 auto;padding:0 24px}
.lx-k{font:600 11.5px/1.2 'Be Vietnam Pro',sans-serif;letter-spacing:.2em;text-transform:uppercase;color:var(--lx-pr)}
.lx-k a:hover{color:var(--lx-ink)}
.lx-rule{display:flex;align-items:center;gap:14px;color:var(--lx-gold)}.lx-rule:before,.lx-rule:after{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--lx-gold),transparent)}
/* Masthead */
.lx-top{background:var(--lx-night);color:#cfc4b2;font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.lx-top .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:9px;padding-bottom:9px}
.lx-top span:last-child{color:var(--lx-gold2)}
.lx-hd{background:var(--lx-night);color:#f3ead9;border-bottom:1px solid #2b2620}
.lx-mast{display:flex;flex-direction:column;align-items:center;padding:30px 0 22px}
.lx-brand{display:flex;align-items:center;gap:16px}
.lx-brand img{width:54px;height:54px}
.lx-word{display:flex;flex-direction:column;line-height:1}
.lx-word small{font:600 11px/1 'Be Vietnam Pro',sans-serif;letter-spacing:.42em;text-transform:uppercase;color:var(--lx-gold);margin-bottom:8px}
.lx-word b{font:600 38px/1 'Playfair Display',Georgia,serif;letter-spacing:.01em;color:#f6eedf}
.lx-word b i{font-style:italic;font-weight:500;background:linear-gradient(120deg,var(--lx-gold2),var(--lx-gold) 55%,#8a6630);-webkit-background-clip:text;background-clip:text;color:transparent}
.lx-nav{border-top:1px solid #2b2620}
.lx-nav .wrap{display:flex;justify-content:center;gap:34px;overflow-x:auto;scrollbar-width:none}
.lx-nav a{font:500 13px/1 'Be Vietnam Pro',sans-serif;letter-spacing:.16em;text-transform:uppercase;color:#d9cfbd;padding:17px 0;white-space:nowrap;border-bottom:2px solid transparent}
.lx-nav a:hover,.lx-nav a[aria-current]{color:var(--lx-gold2);border-bottom-color:var(--lx-gold)}
/* Ảnh bìa vẽ bằng CSS */
.lx-cover{position:relative;overflow:hidden;background:radial-gradient(circle at var(--x) var(--y),rgba(233,211,163,.28),transparent 42%),radial-gradient(circle at calc(100% - var(--x)) calc(100% - var(--y)),hsla(var(--h),45%,40%,.55),transparent 55%),linear-gradient(160deg,var(--lx-night2),var(--lx-night));aspect-ratio:16/10}
.lx-cover:before{content:"";position:absolute;inset:-40%;background:repeating-radial-gradient(circle at var(--x) var(--y),transparent 0 22px,rgba(196,154,85,.16) 23px 24px);transform:rotate(var(--r))}
.lx-cover:after{content:attr(data-l);position:absolute;right:6%;bottom:-.18em;font:italic 600 clamp(90px,16vw,190px)/1 'Playfair Display',Georgia,serif;color:transparent;-webkit-text-stroke:1px rgba(233,211,163,.55)}
.lx-cover .lx-k{position:absolute;left:20px;top:18px;color:var(--lx-gold2);z-index:1}
/* Hero */
.lx-hero{background:var(--lx-night);color:#efe6d6}
.lx-hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:center;padding-top:56px;padding-bottom:64px}
.lx-hero h2{font-size:clamp(34px,4.6vw,56px);color:#f8f0e1;margin:18px 0 18px}
.lx-hero h2 a:hover{color:var(--lx-gold2)}
.lx-hero p{color:#b9ad99;font-size:18px;margin:0 0 28px;max-width:560px}
.lx-hero .lx-cover{border-radius:2px;box-shadow:0 30px 60px -20px rgba(0,0,0,.6),0 0 0 1px rgba(196,154,85,.25)}
.lx-btn{display:inline-flex;align-items:center;gap:10px;font:600 12.5px/1 'Be Vietnam Pro',sans-serif;letter-spacing:.18em;text-transform:uppercase;padding:15px 26px;border:1px solid var(--lx-gold);color:var(--lx-gold2);transition:.25s}
.lx-btn:hover{background:var(--lx-gold);color:var(--lx-night)}
/* Bố cục blog */
.lx-main{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:64px;margin:64px auto 80px}
.lx-sec{display:flex;align-items:baseline;justify-content:space-between;border-bottom:1px solid var(--lx-ink);padding-bottom:12px;margin:0 0 6px}
.lx-sec h2{font-size:30px}.lx-sec h2 em{color:var(--lx-pr);font-weight:500}
.lx-sec a{font:600 12px/1 'Be Vietnam Pro',sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--lx-pr)}
.lx-item{display:grid;grid-template-columns:64px minmax(0,1fr) 220px;gap:26px;padding:30px 0;border-bottom:1px solid var(--lx-line);align-items:start}
.lx-item .n{font:italic 500 40px/1 'Playfair Display',Georgia,serif;color:var(--lx-gold)}
.lx-item h3{font-size:25px;margin:10px 0 10px}.lx-item h3 a{background:linear-gradient(var(--lx-gold),var(--lx-gold)) 0 100%/0 1px no-repeat;transition:background-size .35s}
.lx-item h3 a:hover{background-size:100% 1px}
.lx-item p{margin:0 0 12px;color:var(--lx-soft);font-size:16px;line-height:1.65}
.lx-meta{font-size:13px;color:var(--lx-mt);letter-spacing:.02em}.lx-meta i{font-style:normal;color:var(--lx-gold);margin:0 8px}
.lx-item .lx-cover{aspect-ratio:4/3}
.lx-item .lx-cover:after{font-size:110px}
/* Sidebar */
.lx-side{position:relative}
.lx-box{background:var(--lx-paper);border:1px solid var(--lx-line);padding:28px 26px;margin-bottom:28px}
.lx-box h3{font-size:22px;margin:8px 0 18px}
.lx-box ol,.lx-box ul{list-style:none;margin:0;padding:0}
.lx-box li{padding:12px 0;border-top:1px solid var(--lx-line);font-size:15.5px;line-height:1.5}
.lx-box li:first-child{border-top:0;padding-top:0}
.lx-box ol{counter-reset:c}.lx-box ol li{display:grid;grid-template-columns:34px 1fr;counter-increment:c}
.lx-box ol li:before{content:counter(c,decimal-leading-zero);font:italic 500 20px/1.1 'Playfair Display',serif;color:var(--lx-gold)}
.lx-box li a:hover{color:var(--lx-pr)}
.lx-box ul li{display:flex;justify-content:space-between;gap:10px}.lx-box ul li span{color:var(--lx-mt);font-size:13px}
.lx-quote{background:var(--lx-night);color:#e9dfcd;padding:34px 28px;text-align:center}
.lx-quote p{font:italic 500 21px/1.5 'Playfair Display',Georgia,serif;margin:16px 0}
.lx-quote small{letter-spacing:.2em;text-transform:uppercase;font-size:11px;color:var(--lx-gold)}
/* Chương theo chuyên mục */
.lx-chap{background:var(--lx-paper);border-top:1px solid var(--lx-line);border-bottom:1px solid var(--lx-line);padding:70px 0}
.lx-chap+.lx-chap{border-top:0;background:var(--lx-bg)}
.lx-chap-hd{text-align:center;max-width:640px;margin:0 auto 42px}
.lx-chap-hd .r{font:italic 500 18px/1 'Playfair Display',serif;color:var(--lx-gold)}
.lx-chap-hd h2{font-size:clamp(30px,3.4vw,42px);margin:12px 0 12px}
.lx-chap-hd p{color:var(--lx-soft);margin:0}
.lx-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:34px}
.lx-card h3{font-size:22px;margin:16px 0 8px}.lx-card h3 a:hover{color:var(--lx-pr)}
.lx-card p{color:var(--lx-soft);font-size:15.5px;line-height:1.6;margin:0 0 10px}
.lx-card .lx-cover{transition:transform .5s}.lx-card:hover .lx-cover{transform:translateY(-4px)}
.lx-more{text-align:center;margin-top:40px}.lx-more .lx-btn{color:var(--lx-ink);border-color:var(--lx-ink)}.lx-more .lx-btn:hover{background:var(--lx-ink);color:var(--lx-gold2)}
/* Trang chuyên mục */
.lx-band{background:var(--lx-night);color:#efe6d6;text-align:center;padding:64px 0 58px}
.lx-band h1{font-size:clamp(36px,5vw,58px);color:#f8f0e1;margin:14px 0 14px}
.lx-band p{color:#b9ad99;max-width:620px;margin:0 auto}
.lx-crumb{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:#9d917f}.lx-crumb a:hover{color:var(--lx-gold2)}
.lx-pg{display:flex;gap:10px;justify-content:center;margin:44px 0 0}.lx-pg a,.lx-pg span{min-width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--lx-line);font-size:14px}.lx-pg span{background:var(--lx-ink);color:var(--lx-gold2);border-color:var(--lx-ink)}
/* Bài viết */
.lx-ahd{background:var(--lx-night);color:#efe6d6;padding:58px 0 0}
.lx-ahd .in{max-width:860px;margin:0 auto;text-align:center;padding:0 24px}
.lx-ahd h1{font-size:clamp(32px,4.6vw,54px);color:#f8f0e1;margin:20px 0 20px}
.lx-dek{font:italic 400 20px/1.6 'Playfair Display',Georgia,serif;color:#c4b8a3;margin:0 auto 26px;max-width:700px}
.lx-ahd .lx-meta{color:#a39784}
.lx-ahd .lx-cover{max-width:1000px;margin:44px auto 0;aspect-ratio:21/9;transform:translateY(60px);box-shadow:0 30px 60px -25px rgba(0,0,0,.55),0 0 0 1px rgba(196,154,85,.25)}
.lx-ahd .lx-cover:after{font-size:clamp(120px,20vw,260px)}
.lx-read{max-width:var(--lx-read);margin:110px auto 0;padding:0 24px}
.lx-toc{border-top:1px solid var(--lx-ink);border-bottom:1px solid var(--lx-line);padding:22px 0;margin:0 0 40px}
.lx-toc b{display:block;font:600 11.5px/1 'Be Vietnam Pro',sans-serif;letter-spacing:.2em;text-transform:uppercase;color:var(--lx-pr);margin-bottom:14px}
.lx-toc ol{margin:0;padding:0;list-style:none;counter-reset:t;columns:2 260px;column-gap:32px}
.lx-toc li{counter-increment:t;break-inside:avoid;padding:5px 0;font-size:15px;line-height:1.45;display:grid;grid-template-columns:30px 1fr}
.lx-toc li:before{content:counter(t,decimal-leading-zero);font:italic 500 15px/1.45 'Playfair Display',serif;color:var(--lx-gold)}
.lx-toc a:hover{color:var(--lx-pr)}
.lx-body{font-size:18.5px;line-height:1.85;color:#221d17}
.lx-body>p:first-child:first-letter{float:left;font:600 76px/.82 'Playfair Display',Georgia,serif;color:var(--lx-pr);margin:8px 12px 0 0}
.lx-body p{margin:0 0 1.25em}
.lx-body a{color:var(--lx-pr);background:linear-gradient(var(--lx-gold),var(--lx-gold)) 0 100%/100% 1px no-repeat}
.lx-body a:hover{color:var(--lx-ink)}
.lx-body h2{font-size:31px;margin:2.1em 0 .7em;padding-top:.9em;border-top:1px solid var(--lx-line)}
.lx-body h3{font-size:23px;margin:1.6em 0 .5em}
.lx-body ul,.lx-body ol{padding-left:1.3em;margin:0 0 1.3em}.lx-body li{margin:.35em 0}.lx-body li::marker{color:var(--lx-gold)}
.lx-body blockquote{margin:1.8em 0;padding:6px 0 6px 28px;border-left:2px solid var(--lx-gold);font:italic 400 22px/1.55 'Playfair Display',Georgia,serif;color:var(--lx-soft)}
.lx-body table{border-collapse:collapse;width:100%;margin:1.6em 0;font-size:15.5px;display:block;overflow-x:auto}
.lx-body th,.lx-body td{border-bottom:1px solid var(--lx-line);padding:12px 14px;text-align:left;vertical-align:top}
.lx-body th{font:600 12px/1.3 'Be Vietnam Pro',sans-serif;letter-spacing:.12em;text-transform:uppercase;color:var(--lx-pr);border-bottom:1px solid var(--lx-ink)}
.lx-faq{margin-top:3em}.lx-faq h2{border-top:1px solid var(--lx-ink)}
.lx-faq details{border-bottom:1px solid var(--lx-line);padding:18px 0}
.lx-faq summary{cursor:pointer;list-style:none;font:600 19px/1.4 'Playfair Display',Georgia,serif;display:flex;justify-content:space-between;gap:16px}
.lx-faq summary::-webkit-details-marker{display:none}
.lx-faq summary:after{content:"+";color:var(--lx-gold);font:300 26px/1 'Be Vietnam Pro',sans-serif;transition:transform .25s}
.lx-faq details[open] summary:after{transform:rotate(45deg)}
.lx-faq details p{margin:12px 0 0;font-size:17px;color:var(--lx-soft)}
.lx-sign{margin:56px 0 0;padding:26px 0;border-top:1px solid var(--lx-ink);display:flex;gap:16px;align-items:center;font-size:14.5px;color:var(--lx-soft)}
.lx-sign img{width:44px;height:44px}.lx-sign b{display:block;color:var(--lx-ink);font:600 17px/1.3 'Playfair Display',serif}
.lx-rel{background:var(--lx-paper);border-top:1px solid var(--lx-line);margin-top:80px;padding:64px 0 72px}
.lx-rel .lx-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
/* Trang tĩnh, 404 */
.lx-page{max-width:var(--lx-read);margin:64px auto 90px;padding:0 24px}.lx-page h1{font-size:44px;margin:12px 0 28px}
.notfound{text-align:center;padding:120px 24px}.notfound h1{font-size:56px;margin-bottom:12px}.notfound .btn{display:inline-block;margin-top:18px;padding:14px 26px;background:var(--lx-ink);color:var(--lx-gold2);letter-spacing:.14em;text-transform:uppercase;font-size:12.5px}
/* Footer */
.lx-ft{background:var(--lx-night);color:#a99d8a;padding:70px 0 30px;font-size:14.5px}
.lx-ft .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:44px;border-bottom:1px solid #2b2620}
.lx-ft h4{font:600 11.5px/1 'Be Vietnam Pro',sans-serif;letter-spacing:.2em;text-transform:uppercase;color:var(--lx-gold);margin:0 0 18px}
.lx-ft ul{list-style:none;margin:0;padding:0}.lx-ft li{margin:0 0 10px}.lx-ft a:hover{color:var(--lx-gold2)}
.lx-ft .about p{margin:16px 0 0;max-width:360px;line-height:1.7}
.lx-ft .lx-brand img{width:44px;height:44px}.lx-ft .lx-word b{font-size:28px}
.lx-ft .bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:24px;font-size:12.5px;letter-spacing:.06em}
@media (max-width:980px){.lx-main{grid-template-columns:minmax(0,1fr);gap:40px}.lx-hero .wrap{grid-template-columns:1fr;gap:34px;padding-top:36px;padding-bottom:44px}.lx-hero .lx-cover{order:-1}.lx-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lx-ft .cols{grid-template-columns:1fr 1fr}.lx-ft .about{grid-column:1/-1}}
@media (max-width:640px){body{font-size:16.5px}.wrap{padding:0 16px}.lx-top span:first-child{display:none}.lx-mast{padding:22px 0 16px}.lx-brand img{width:42px;height:42px}.lx-word b{font-size:28px}.lx-word small{letter-spacing:.3em;font-size:10px}.lx-nav .wrap{justify-content:flex-start;gap:24px}
.lx-item{grid-template-columns:40px minmax(0,1fr);gap:14px;padding:24px 0}.lx-item .lx-cover{display:none}.lx-item .n{font-size:28px}.lx-item h3{font-size:21px}.lx-grid{grid-template-columns:1fr;gap:40px}
.lx-chap{padding:52px 0}.lx-read{margin-top:84px;padding:0 16px}.lx-ahd{padding-top:40px}.lx-ahd .lx-cover{aspect-ratio:16/10;transform:translateY(44px);margin-top:30px}.lx-body{font-size:17.5px}.lx-body h2{font-size:26px}.lx-ft .cols{grid-template-columns:1fr}.lx-band{padding:46px 0 42px}}