:root{
  --nen:#fff7ef; --giay:#ffffff; --chu:#1d1a17; --mo:#6b625a; --vien:#ead9c8;
  --do:#d0201b; --do-dam:#a3120f; --vang:#ffb703; --xanh:#118a3e; --xanh-nhat:#e5f6eb; --do-nhat:#fde8e6;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--nen);color:var(--chu);font:16px/1.5 "Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;min-height:100vh;display:flex;flex-direction:column}
body>main{flex:1;width:100%}
/* Đầu trang: dải đỏ, cành đào bên trái, cành mai bên phải, viền vàng dưới */
.dau-trang{position:relative;overflow:hidden;background:var(--do);color:#fff;padding:12px 16px;min-height:66px;display:flex;align-items:center;gap:12px;justify-content:space-between;border-bottom:4px solid var(--vang)}
.dau-trang>*{position:relative;z-index:1}
.dau-trang::before,.dau-trang::after{content:"";position:absolute;top:-6px;height:92px;width:212px;background:no-repeat top/contain;pointer-events:none}
.dau-trang::before{left:-28px;background-image:url(trang-tri/canh-dao.svg);transform:scaleX(-1)}
.dau-trang::after{right:-34px;background-image:url(trang-tri/canh-mai.svg)}
.dau-trang>div:first-child{padding-left:140px}
.thuong-hieu{display:flex;align-items:center;gap:10px}
.thuong-hieu .logo{width:46px;height:auto;flex:none}
.dau-trang b{font-size:18px;font-weight:800;letter-spacing:.01em}
.dau-trang small{color:#ffe08a;font-weight:500}
.dau-trang button{background:var(--do-dam);border:1.5px solid #ffffffb0;color:#fff;border-radius:6px;padding:7px 12px;font:inherit;font-size:14px;font-weight:600;margin-right:110px;white-space:nowrap;flex:none}
@media (max-width:640px){
  .dau-trang::before{display:none}
  .dau-trang>div:first-child{padding-left:0}
  .dau-trang::after{width:170px;right:-40px;opacity:.95}
  .dau-trang button{margin-right:0;padding:6px 10px;font-size:13px}
  .dau-trang small{font-size:12px;line-height:1.35;display:inline-block}
  .dau-trang b{font-size:17px}
  .thuong-hieu .logo{width:40px}
}
/* Chân trang chúc Xuân: 2 cành rủ từ 2 góc trên */
.chan-trang{position:relative;overflow:hidden;margin-top:24px;padding:62px 16px 20px;text-align:center;color:var(--do-dam);font-weight:600;border-top:3px solid var(--vang);background:#fff1e0}
.chan-trang::before,.chan-trang::after{content:"";position:absolute;top:-4px;height:100px;width:228px;background:no-repeat top/contain;pointer-events:none}
.chan-trang::before{left:-24px;background-image:url(trang-tri/canh-dao.svg);transform:scaleX(-1)}
.chan-trang::after{right:-24px;background-image:url(trang-tri/canh-mai.svg)}
.chan-trang b{display:block;font-size:20px;font-weight:800;color:var(--do)}
.chan-trang>span{position:relative;z-index:1}
.chan-trang .logo{display:block;width:52px;height:auto;margin:0 auto 6px}
.lien{white-space:nowrap}
@media (max-width:640px){.chan-trang{padding-top:78px}.chan-trang::before,.chan-trang::after{width:170px;height:76px}}
main{max-width:1100px;margin:0 auto;padding:16px}
.the{background:var(--giay);border:1px solid var(--vien);border-radius:10px;padding:16px;margin-bottom:14px}
h1,h2,h3{margin:0 0 10px;line-height:1.25;font-weight:800}
h2{font-size:19px}
label{display:block;font-size:14px;color:var(--mo);margin:10px 0 4px}
input,select{width:100%;font:inherit;padding:11px 12px;border:1.5px solid var(--vien);border-radius:8px;background:#fff;color:var(--chu)}
input:focus,select:focus{outline:none;border-color:var(--do)}
.nut{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-family:inherit;font-size:16px;font-weight:600;line-height:1.1;padding:13px 18px;border-radius:8px;border:0;background:var(--do);color:#fff;cursor:pointer;text-decoration:none}
.nut:active{background:var(--do-dam)}
.nut:disabled{opacity:.5}
.nut.phu{background:#fff;color:var(--chu);border:1.5px solid var(--vien)}
.nut.xanh{background:var(--xanh)}
.nut.nho{padding:7px 11px;font-size:14px}
.nut.rong{width:100%}
.loi{background:var(--do-nhat);color:var(--do-dam);border-radius:8px;padding:10px 12px;margin:10px 0;font-weight:500}
.tot{background:var(--xanh-nhat);color:#0b5e2a;border-radius:8px;padding:10px 12px;margin:10px 0}
.mo{color:var(--mo);font-size:14px}
.an{display:none!important}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:8px 6px;border-bottom:1px solid var(--vien);text-align:left;vertical-align:top}
th{font-weight:600;color:var(--mo);font-size:13px;white-space:nowrap}
td.so,th.so{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.bang{overflow-x:auto}
.nhan{display:inline-block;font-size:12px;font-weight:600;padding:2px 7px;border-radius:4px;background:#eee}
.nhan.khoa{background:var(--do-nhat);color:var(--do-dam)}
.nhan.het{background:#e8e4df;color:#555}
.nhan.dung{background:var(--xanh-nhat);color:#0b5e2a}