:root{
  --sky-50:#f3f9ff; --sky-100:#e4f2ff; --sky-200:#c9e5fb; --sky-300:#a3d2f5;
  --sky-500:#5aaee6; --sky-600:#3a91cf; --sky-800:#1d5a85; --ink:#1c3347;
  --muted:#5f7a90; --line:#d6e8f6; --white:#fff; --r:18px;
  --shadow:0 8px 28px rgba(40,110,170,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:"Be Vietnam Pro",system-ui,sans-serif;color:var(--ink);background:var(--sky-50);line-height:1.65}
a{color:var(--sky-600);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px;margin:0 auto;padding:0 20px}

nav.top{position:sticky;top:0;z-index:20;background:rgba(243,249,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav.top .wrap{display:flex;align-items:center;gap:16px;height:58px}
nav.top .logo{font-weight:700;color:var(--sky-800);white-space:nowrap}
nav.top .links{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
nav.top .links::-webkit-scrollbar{display:none}
nav.top .links a{padding:6px 12px;border-radius:99px;color:var(--muted);font-size:14px;white-space:nowrap}
nav.top .links a:hover,nav.top .links a.on{background:var(--sky-100);color:var(--sky-800);text-decoration:none}

.page-hero{padding:60px 0 30px;text-align:center;background:radial-gradient(800px 340px at 50% -20%,var(--sky-200),transparent 70%)}
.page-hero .eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--sky-600);background:var(--white);border:1px solid var(--line);padding:5px 14px;border-radius:99px}
.page-hero h1{font-family:"Playfair Display",serif;font-size:clamp(34px,6vw,56px);color:var(--sky-800);margin:16px 0 8px;line-height:1.1}
.page-hero p{color:var(--muted);max-width:580px;margin:0 auto}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:24px 0 28px}
.chips button{border:1px solid var(--line);background:var(--white);color:var(--muted);padding:7px 15px;border-radius:99px;font:inherit;font-size:13px;cursor:pointer}
.chips button.on{background:var(--sky-800);color:#fff;border-color:var(--sky-800)}
.badge{display:inline-block;font-size:12px;padding:3px 11px;border-radius:99px;background:var(--sky-100);color:var(--sky-800);white-space:nowrap}
.badge.lv-Chính{background:#ffe6ec;color:#b2385a}
.badge.lv-Phụ{background:#fff0dc;color:#a0621a}
.badge.lv-Khách{background:#eef1f4;color:#5a6772}
.meta{font-size:13px;color:var(--muted)}

/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px}
.item{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:0;display:flex;flex-direction:column;color:var(--ink);overflow:hidden;transition:.2s}
.item:hover{text-decoration:none;border-color:var(--sky-300);transform:translateY(-2px);box-shadow:var(--shadow)}
.item .thumb{aspect-ratio:16/10;background:linear-gradient(140deg,var(--sky-200),var(--sky-100));display:grid;place-items:center;font-size:34px;overflow:hidden}
.item .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.item .in{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.item .top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.item h3{font-size:16.5px;line-height:1.4}
.item .ko{font-family:"Nanum Myeongjo",serif;color:var(--sky-600);font-size:14px}
.item .sub{font-size:14px;color:var(--muted)}
.item .go{margin-top:auto;padding-top:6px;font-size:13px;font-weight:600;color:var(--sky-600)}
.yr{font-weight:700;color:var(--sky-500)}

/* timeline */
.tl-month{margin-bottom:26px}
.tl-month h3{font-size:15px;text-transform:uppercase;letter-spacing:.08em;color:var(--sky-600);margin-bottom:10px}
.tl{border-left:2px solid var(--sky-200);margin-left:8px;padding-left:22px}
.ev{position:relative;display:flex;gap:12px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:10px 16px;margin-bottom:10px;color:var(--ink)}
.ev:hover{text-decoration:none;border-color:var(--sky-300)}
.ev::before{content:"";position:absolute;left:-30px;top:18px;width:12px;height:12px;border-radius:50%;background:var(--sky-500);border:3px solid var(--sky-50)}
.ev .d{font-size:13px;color:var(--muted);flex:none;width:44px}
.ev .t{font-weight:500;flex:1}
.ev .arr{color:var(--sky-500);flex:none}
.ev.up::before{background:#f08aa8}
.upnext{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin-bottom:34px}
.upc{display:flex;gap:14px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:14px 16px;color:var(--ink)}
.upc:hover{text-decoration:none;border-color:var(--sky-300)}
.upc .day{flex:none;width:58px;height:58px;border-radius:14px;background:var(--sky-500);color:#fff;display:grid;place-items:center;text-align:center;line-height:1.1}
.upc .day b{font-size:21px;display:block}
.upc .day small{font-size:11px}
.upc .t{font-weight:600;font-size:14.5px}
.sec-title{font-size:20px;color:var(--sky-800);margin:8px 0 14px}

/* detail */
.crumb{padding:26px 0 0;font-size:14px}
.d-head{padding:20px 0 22px}
.d-head h1{font-family:"Playfair Display",serif;font-size:clamp(28px,5vw,42px);line-height:1.2;color:var(--sky-800);margin:12px 0 6px}
.d-head .ko{font-family:"Nanum Myeongjo",serif;color:var(--sky-600);font-size:18px}
.brief{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:6px 22px;margin-bottom:28px}
.brief div{display:grid;grid-template-columns:140px 1fr;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15px}
.brief div:last-child{border:0}
.brief dt{color:var(--muted)}
.brief dd a{word-break:break-all}
.watch a{display:inline-block;margin:0 8px 6px 0;padding:6px 14px;border-radius:99px;background:var(--sky-100);color:var(--sky-800);font-size:13px;font-weight:600}
.pending{background:var(--white);border:1px dashed var(--sky-300);border-radius:16px;padding:20px 22px;color:var(--muted);font-size:15px}
.related{margin-top:40px}
.related h2{font-size:18px;color:var(--sky-800);margin-bottom:12px}
.related a{display:flex;gap:10px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin-bottom:8px;color:var(--ink);font-size:14.5px}
.related a:hover{text-decoration:none;border-color:var(--sky-300)}
.related a .badge{flex:none}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:40px 0 0}
.pager a{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:14px 18px;color:var(--ink);font-size:14px}
.pager a:hover{text-decoration:none;border-color:var(--sky-300)}
.pager small{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}
.pager .next{text-align:right}

/* nội dung từ Notion */
.article{font-family:"Lora",Georgia,serif;font-size:17.5px;line-height:1.85}
.article p{margin:0 0 18px}
.article h2{font-family:"Be Vietnam Pro",sans-serif;font-size:22px;color:var(--sky-800);margin:34px 0 14px;line-height:1.35}
.article h2.big{font-family:"Playfair Display",serif;font-size:28px}
.article h3{font-family:"Be Vietnam Pro",sans-serif;font-size:17px;margin:26px 0 10px}
.article hr{border:0;height:1px;background:var(--line);margin:34px 0}
.article blockquote{margin:22px 0;padding:16px 20px;background:var(--white);border-left:4px solid var(--sky-500);border-radius:0 14px 14px 0;font-style:italic}
.article blockquote p:last-child{margin:0}
.article ul{margin:0 0 18px 22px}
.article li{margin-bottom:6px}
.article table{width:100%;border-collapse:collapse;margin:0 0 22px;font-family:"Be Vietnam Pro",sans-serif;font-size:15px;background:var(--white);border-radius:12px;overflow:hidden}
.article th,.article td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
.article th{background:var(--sky-100);color:var(--sky-800)}
.article img.plain{display:block;width:100%;border-radius:14px;margin:0 0 22px}
.callout{display:flex;gap:14px;padding:16px 18px;border-radius:16px;margin:20px 0;background:var(--sky-100);font-family:"Be Vietnam Pro",sans-serif;font-size:15.5px;line-height:1.75}
.callout .ci{font-size:22px;line-height:1.3;flex:none}
.callout .cb{flex:1;min-width:0}
.callout .cb p:last-child{margin-bottom:0}
.callout.c-gray_bg{background:#eef2f6}.callout.c-yellow_bg{background:#fff6dc}.callout.c-green_bg{background:#e6f6ec}.callout.c-red_bg{background:#fde9ec}.callout.c-purple_bg{background:#f0eafb}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:20px 0}
.muted{color:var(--muted);font-size:14px;font-family:"Be Vietnam Pro",sans-serif}
.toc{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:16px 20px;margin:8px 0 24px;font-family:"Be Vietnam Pro",sans-serif;font-size:15px}
.toc b{display:block;color:var(--sky-800);margin-bottom:6px}
.toc a{display:block;padding:3px 0;color:var(--ink)}

/* khung ảnh */
.fig{margin:30px 0;font-family:"Be Vietnam Pro",sans-serif}
.fig img{display:block;width:100%;height:100%;object-fit:cover;border-radius:14px;background:var(--sky-100);cursor:zoom-in}
.fig figcaption{margin-top:10px;font-size:13px;color:var(--muted);text-align:center;font-style:italic}
.fig.wide,.fig.cover,.fig.duo,.fig.trio,.fig.side,.fig.gallery{width:min(1000px,calc(100vw - 40px));margin-left:50%;transform:translateX(-50%)}
.fig.cover .ph,.fig.cover img{aspect-ratio:16/9}
.fig.wide img{height:auto;max-height:620px}
.fig.wide .ph{aspect-ratio:16/8}
.fig .row{display:grid;gap:12px}
.fig.duo .row{grid-template-columns:1fr 1fr}
.fig.duo .row > *{aspect-ratio:4/5}
.fig.trio .row{grid-template-columns:repeat(3,1fr)}
.fig.trio .row > *{aspect-ratio:3/4}
.fig.side .row{grid-template-columns:5fr 6fr;align-items:center;gap:34px}
.fig.side .row > .ph,.fig.side .row > img{aspect-ratio:3/4}
.fig.side .pull{font-family:"Playfair Display",serif;font-style:italic;font-size:clamp(22px,3vw,30px);line-height:1.45;color:var(--sky-800);border-top:3px solid var(--sky-500);padding-top:18px}
.fig.gallery .row{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.fig.gallery .row > *{aspect-ratio:1/1}
.fig.gallery .row img{border-radius:12px}
.gal-title{font-family:"Be Vietnam Pro",sans-serif;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--sky-600);margin-bottom:12px;font-weight:600}
.ph{border:2px dashed var(--sky-300);border-radius:14px;background:repeating-linear-gradient(45deg,#f6fbff,#f6fbff 12px,#eaf4fd 12px,#eaf4fd 24px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--sky-800);font-size:13px;text-align:center;padding:10px;min-height:110px}
.ph b{font-size:24px}
.ph.warn{border-color:#f0b45a;color:#9a5a12}
.fig.vid .vbox{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#0c1e2e;box-shadow:0 8px 28px rgba(40,110,170,.12)}
.fig.vid.tall .vbox{aspect-ratio:9/16;max-width:360px;margin:0 auto}
.fig.vid iframe,.fig.vid video{position:absolute;inset:0;width:100%;height:100%;border:0}
.cover-top{max-width:1040px;margin:24px auto 0;padding:0 20px}
.cover-top .fig.cover{width:auto;margin:0;transform:none}
.preview-note{background:#fff6dc;border:1px solid #f0d58a;color:#7a5a12;border-radius:12px;padding:10px 14px;font-size:13px;margin:18px 0 0}

/* phóng to ảnh */
#lb{position:fixed;inset:0;background:rgba(12,30,46,.92);display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
#lb.on{display:flex}
#lb img{max-width:100%;max-height:88vh;border-radius:10px}
#lb button{position:absolute;background:rgba(255,255,255,.14);color:#fff;border:0;border-radius:99px;width:44px;height:44px;font-size:22px;cursor:pointer}
#lb .x{top:16px;right:16px}#lb .p{left:14px;top:50%}#lb .n{right:14px;top:50%}

footer{margin-top:72px;padding:34px 0 46px;background:var(--white);border-top:1px solid var(--line);text-align:center;color:var(--muted);font-size:14px}
@media (max-width:820px){
  .fig.side .row{grid-template-columns:1fr;gap:18px}
  .fig.trio .row{gap:6px}
  .fig.gallery .row{grid-template-columns:repeat(2,1fr);gap:6px}
  .brief div{grid-template-columns:110px 1fr}
  .pager{grid-template-columns:1fr}
}

/* khối Liên quan và điều hướng cuối trang chi tiết, tách khỏi nội dung chính */
html{overflow-x:clip}
.after{position:relative;isolation:isolate;margin:56px 0 -72px;padding:34px 0 56px}
.after::before{content:"";position:absolute;z-index:-1;inset:0 calc(50% - 50vw);background:var(--sky-100,#e4f2ff);border-top:1px solid var(--sky-200,#c9e5fb)}
.after::after{content:"";position:absolute;top:0;left:50%;transform:translate(-50%,-50%);background:var(--sky-50,#f3f9ff);border:1px solid var(--sky-200,#c9e5fb);border-radius:99px;padding:0;width:40px;height:26px;background:var(--sky-50,#f3f9ff) url(/clover.png) center/18px no-repeat}
.after .related{margin-top:0}
.after .pager{margin-top:24px}
.after .pager:first-child{margin-top:0}

/* hàng lọc theo năm */
.chips.years{margin:-14px 0 28px;gap:6px;align-items:center}
.chips.years .lab{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin-right:4px}
.chips.years button{padding:4px 12px;font-size:12.5px}
.chips.years button.on{background:var(--sky-500,#5aaee6);border-color:var(--sky-500,#5aaee6)}