:root{--kertas:#fdf8f0;--tinta:#2a1f14;--prangko:#1e40af;--cap:#b91c1c;--panel:#fef3c7;--garis:#cdbfa6;--redup:#5b4a36}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--kertas);color:var(--tinta);font:18px/1.7 "Old Standard TT",Georgia,serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--prangko);text-underline-offset:3px}
a:hover{color:var(--cap)}
h1,h2,h3,.judul-merek{font-family:"Abril Fatface",Georgia,serif;font-weight:400;line-height:1.2;letter-spacing:.2px}
h1{font-size:2.1rem;margin:.2em 0 .5em}
h2{font-size:1.5rem;margin:1.8em 0 .5em;padding-bottom:.25em;border-bottom:4px double var(--tinta)}
h3{font-size:1.18rem;margin:1.4em 0 .4em;color:var(--prangko)}
p{margin:0 0 1em}
.lompat{position:absolute;left:-999px}
.lompat:focus{left:8px;top:8px;background:var(--panel);padding:8px}
/* sampul */
.sampul{border-bottom:6px double var(--tinta);background:var(--kertas)}
.sampul-dalam{max-width:1120px;margin:0 auto;padding:10px 16px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;justify-content:space-between}
.merek{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--tinta);min-height:44px}
.merek img{width:40px;height:40px}
.judul-merek{font-size:1.55rem}
.judul-merek b{color:var(--cap);font-weight:400}
.navigasi ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.navigasi a{display:inline-block;padding:9px 12px;min-height:44px;line-height:26px;text-decoration:none;color:var(--tinta);border:1px solid transparent;font-size:.95rem}
.navigasi a:hover,.navigasi a[aria-current]{border:3px double var(--prangko);color:var(--prangko);padding:7px 10px}
/* bingkai */
.lembar{max-width:1120px;margin:0 auto;padding:18px 16px 40px}
.jalur{font-size:.9rem;color:var(--redup);margin:4px 0 14px}
.jalur ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px}
.jalur li+li:before{content:"›";margin:0 6px 0 2px}
.kolom{display:grid;grid-template-columns:minmax(0,1fr);gap:28px}
@media(min-width:960px){.kolom{grid-template-columns:minmax(0,1fr) 300px}}
.naskah{min-width:0}
/* perangko besar */
.kepala-prangko{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;align-items:center;margin-bottom:14px}
@media(min-width:700px){.kepala-prangko{grid-template-columns:260px minmax(0,1fr)}}
.kepala-prangko svg{width:100%;max-width:260px;height:auto;margin:0 auto;display:block;filter:drop-shadow(3px 4px 0 rgba(42,31,20,.18))}
.label-seri{font-size:.9rem;text-transform:uppercase;letter-spacing:2px;color:var(--cap);margin:0}
.ringkas{font-size:1.08rem}
/* katalog */
.katalog{width:100%;border-collapse:collapse;border:4px double var(--tinta);background:#fffdf8;font-size:.98rem}
.katalog th,.katalog td{padding:8px 10px;border-bottom:1px solid var(--garis);text-align:left;vertical-align:top}
.katalog th{font-weight:700;width:38%;background:var(--panel)}
.katalog thead th{background:var(--prangko);color:#fff;width:auto}
.gulir{overflow-x:auto;margin:0 0 1.2em}
.gulir table{min-width:520px}
.gulir .katalog{min-width:0}
/* gerigi */
.gerigi{padding:9px;background:radial-gradient(circle,var(--kertas) 5px,transparent 5.6px) -8px -8px/16px 16px,var(--prangko);margin:1.4em 0}
.gerigi>div{background:var(--kertas);border:2px solid var(--prangko);padding:14px 16px}
.gerigi.merah{background:radial-gradient(circle,var(--kertas) 5px,transparent 5.6px) -8px -8px/16px 16px,var(--cap)}
.gerigi.merah>div{border-color:var(--cap)}
.gerigi p:last-child,.gerigi ul:last-child,.gerigi ol:last-child{margin-bottom:0}
.judul-kotak{font-family:"Abril Fatface",Georgia,serif;font-size:1.12rem;margin:0 0 .4em;color:var(--cap)}
.catatan{background:var(--panel);border-left:6px double var(--cap);padding:12px 16px;margin:1.2em 0}
.catatan p:last-child{margin:0}
figure{margin:1.2em 0}
figure img{border:6px solid #fff;outline:1px solid var(--garis)}
figcaption{font-size:.9rem;color:var(--redup);margin-top:6px;font-style:italic}
ul,ol{padding-left:1.3em;margin:0 0 1em}
li{margin-bottom:.35em}
.cek-list{list-style:none;padding-left:0}
.cek-list li{padding-left:30px;position:relative}
.cek-list li:before{content:"✉";position:absolute;left:0;top:0;color:var(--cap)}
/* tanya jawab */
.tanya{border-top:3px double var(--tinta)}
.tanya details{border-bottom:1px dashed var(--garis);padding:6px 0}
.tanya summary{cursor:pointer;font-weight:700;padding:8px 0;min-height:44px;list-style:none}
.tanya summary::-webkit-details-marker{display:none}
.tanya summary:before{content:"✚ ";color:var(--cap)}
.tanya details[open] summary:before{content:"— "}
/* samping */
.samping{min-width:0}
.samping .gerigi{margin-top:0}
.daftar-prangko{list-style:none;margin:0;padding:0}
.daftar-prangko li{margin:0;border-bottom:1px dashed var(--garis)}
.daftar-prangko a{display:flex;gap:10px;align-items:center;min-height:44px;padding:6px 2px;text-decoration:none;color:var(--tinta)}
.daftar-prangko a:hover{color:var(--cap)}
.daftar-prangko b{font-family:"Abril Fatface",Georgia,serif;font-weight:400;color:var(--prangko);min-width:54px;font-size:1.05rem}
.samping-judul{font-family:"Abril Fatface",Georgia,serif;font-size:1.15rem;margin:0 0 .3em}
/* tombol */
.tombol{display:inline-block;background:var(--prangko);color:#fff;text-decoration:none;padding:10px 18px;min-height:44px;border:3px double #fff;outline:2px solid var(--prangko);margin:4px 2px}
.tombol:hover{background:var(--cap);color:#fff;outline-color:var(--cap)}
/* album beranda */
.halaman-album{background:#fffdf8;border:5px double var(--tinta);padding:18px 14px;margin:18px 0;background-image:repeating-linear-gradient(0deg,transparent 0 31px,rgba(30,64,175,.06) 31px 32px)}
.halaman-album h2{border:0;text-align:center;margin-top:.2em}
.baris-album{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 14px}
@media(min-width:640px){.baris-album{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(min-width:960px){.baris-album{grid-template-columns:repeat(4,minmax(0,1fr))}}
.slot{position:relative;text-align:center}
.slot:before{content:"";position:absolute;left:18%;right:18%;top:-6px;height:14px;background:rgba(254,243,199,.85);border:1px solid var(--garis);z-index:1}
.slot a{display:block;text-decoration:none;color:var(--tinta);padding:4px}
.slot svg{width:100%;max-width:170px;height:auto;margin:0 auto;display:block;transition:transform .2s;filter:drop-shadow(2px 3px 0 rgba(42,31,20,.2))}
.slot a:hover svg{transform:rotate(-2deg) scale(1.03)}
.slot .ket{display:block;font-size:.9rem;line-height:1.35;margin-top:6px}
.pembuka{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;align-items:center}
@media(min-width:860px){.pembuka{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}}
.stempel-teks{display:inline-block;border:3px solid var(--cap);color:var(--cap);padding:2px 10px;transform:rotate(-3deg);font-size:.9rem;letter-spacing:1px;text-transform:uppercase}
.sisipan{display:grid;grid-template-columns:minmax(0,1fr);gap:18px}
@media(min-width:760px){.sisipan{grid-template-columns:repeat(2,minmax(0,1fr))}}
.sisipan article{border:4px double var(--prangko);padding:14px;background:#fffdf8}
.sisipan h3{margin-top:.2em}
.lajur-legal{display:grid;grid-template-columns:minmax(0,1fr);gap:0}
.kami-ya-tidak{width:100%;border-collapse:collapse;border:4px double var(--tinta)}
.kami-ya-tidak th,.kami-ya-tidak td{border:1px solid var(--garis);padding:8px 10px;vertical-align:top;text-align:left}
.kami-ya-tidak thead th{background:var(--panel)}
/* kaki */
.kaki{border-top:6px double var(--tinta);background:#f6eedd;margin-top:30px}
.kaki-dalam{max-width:1120px;margin:0 auto;padding:22px 16px;display:grid;grid-template-columns:minmax(0,1fr);gap:18px}
@media(min-width:760px){.kaki-dalam{grid-template-columns:1.2fr 1fr 1fr}}
.kaki-judul{font-family:"Abril Fatface",Georgia,serif;font-size:1.1rem;margin:0 0 .3em}
.kaki ul{list-style:none;padding:0;margin:0;columns:2;column-gap:12px}
.kaki li{margin:0;break-inside:avoid}
.kaki li a{display:block;padding:9px 0;min-height:44px;line-height:26px}
.kaki p{font-size:.95rem}
.kaki-bawah{text-align:center;font-size:.9rem;padding:10px 16px 20px;color:var(--redup)}
@media(max-width:480px){body{font-size:17px}h1{font-size:1.75rem}h2{font-size:1.32rem}.judul-merek{font-size:1.3rem}}