:root{--paper:#f6f5f0;--ink:#203d34;--muted:#747e77;--line:#dedfd5;--gold:#9b7c47;--green:#244d40}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #b99555;outline-offset:5px}.portal-wrap{max-width:1256px;padding:0 36px;margin:auto}.portal-header{border-bottom:1px solid var(--line);background:#fbfbf7}.header-inner{height:88px;display:flex;align-items:center;justify-content:space-between;gap:20px}.portal-brand img{display:block;width:185px;height:60px;object-fit:contain}.header-inner nav{display:flex;align-items:center;gap:28px;font-size:13px}.header-inner nav form{margin:0}.header-explore{margin-right:14px;color:var(--muted)}.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;padding:12px 22px;background:var(--green);color:white;border:1px solid var(--green);border-radius:6px;font-size:13px}.button:hover{background:#35644f}.button.small{padding:9px 17px}.text-button{background:none;border:0;padding:8px;color:var(--muted);cursor:pointer}.portal-intro{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:37px 0 30px}.eyebrow{font-size:10px;letter-spacing:.19em;font-weight:600;color:var(--gold);margin:0 0 13px}h1{font-family:"Songti SC",STSong,"Noto Serif CJK SC",serif;font-size:39px;font-weight:600;line-height:1.4;letter-spacing:.04em;margin:0 0 12px}h1 span{color:#778677}.intro-copy{color:var(--muted);font-size:13px;margin:0}.intro-aside{border-left:1px solid #d5d9cd;padding:3px 0 3px 29px;flex-shrink:0}.edition-label{font:10px/1.8 Georgia,serif;letter-spacing:.2em;color:#8a8f80}.intro-aside p{font-family:"Songti SC",serif;font-size:20px;letter-spacing:.15em;margin:7px 0 9px}.live-note{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:7px}i{display:inline-block;width:5px;height:5px;background:#71866a;border-radius:50%;flex-shrink:0}.collection-heading{display:flex;align-items:center;justify-content:space-between;padding:0 0 15px}.collection-heading h2{font-size:16px;font-weight:600;letter-spacing:.02em;margin:0}.collection-heading h2 span{font-size:9px;font-weight:400;color:#91988e;letter-spacing:.15em;margin-left:14px}.heading-note{font-size:11px;color:#969b90}.gateway-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.gateway{background:#fff;border:1px solid #e0e2d9;border-radius:11px;overflow:hidden;min-width:0;transition:transform .2s,box-shadow .2s}.gateway:hover{transform:translateY(-4px);box-shadow:0 12px 30px #203d3414}.gateway-image{height:168px;position:relative;overflow:hidden;background:#d9ddd1}.gateway-image img{width:100%;height:100%;object-fit:cover;object-position:center 52%;display:block;transition:transform .5s}.gateway:hover img{transform:scale(1.035)}.region-label{position:absolute;top:13px;left:14px;border:1px solid #ffffff50;background:#182b2370;color:#fff;padding:3px 10px;border-radius:4px;font-size:10px;backdrop-filter:blur(8px)}.gateway-body{padding:17px 20px 14px}.gateway-en{font-size:9px;letter-spacing:.18em;color:#9b8c70}.gateway h3{font-size:21px;line-height:1.4;font-family:"Songti SC",STSong,serif;font-weight:650;letter-spacing:.02em;margin:5px 0 6px}.gateway-body>p{font-size:12px;color:var(--muted);margin:0}.gateway-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:15px}.entry-state{display:flex;align-items:center;gap:7px;font-size:10px;color:#64806c}.entry-state.pending{color:#9e844f}.pending i{background:#b69a62}.entry-arrow{display:grid;place-items:center;width:27px;height:27px;background:#f0f3eb;border-radius:50%;font-size:16px}.upcoming{padding:25px 28px;background:radial-gradient(ellipse at 100% 0,#e6ebdb,transparent 70%),#eef0e7;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;border:1px dashed #c2cbb8}.upcoming:hover{transform:none;box-shadow:none}.orbit-mark{display:grid;place-items:center;width:48px;height:48px;border:1px solid #c6cdbb;border-radius:50%;margin-bottom:17px;box-shadow:0 0 0 7px #e4e9db80}.orbit-mark span{font-size:24px;font-weight:200;color:#8a997e}.upcoming .eyebrow{font-size:8px;margin-bottom:7px}.upcoming h3{font-size:24px;line-height:1.5;margin:0 0 10px}.upcoming>p:not(.eyebrow){font-size:12px;color:#7c8774;margin:0}.upcoming-note{margin-top:22px;display:flex;align-items:center;gap:7px;font-size:10px;color:#899581}.portal-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:24px;border-top:1px solid var(--line);padding-top:18px}.portal-bottom p{font-size:13px;margin:0}.portal-bottom p span{font-size:11px;color:var(--muted);margin-left:14px}.portal-bottom a{white-space:nowrap;font-size:12px;color:var(--gold)}.art-note{font-size:10px;color:#8a9289;margin:15px 0 24px}.portal-footer{display:flex;justify-content:space-between;gap:20px;color:#8c9489;font-size:10px;padding-top:18px;padding-bottom:22px;border-top:1px solid var(--line)}.skip{position:fixed;top:-100px;z-index:10;background:white;padding:10px}.skip:focus{top:0}.portal-auth{max-width:450px;margin:45px auto 70px;padding:32px;background:white;border:1px solid var(--line);border-radius:14px}.portal-auth h1{font-size:28px;margin:22px 0 10px}.portal-auth p{font-size:13px;color:var(--muted)}.portal-auth label{display:flex;flex-direction:column;gap:7px;font-size:13px;margin:16px 0}.portal-auth input{min-width:0;width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:6px;background:#fafbf7;font-size:16px}.portal-auth button{width:100%;border:0;border-radius:6px;padding:12px;background:var(--green);color:white;cursor:pointer}.portal-auth .auth-error{padding:12px;background:#fff1eb;color:#a34029;border-radius:6px;font-size:13px}.auth-switch a{color:var(--green);text-decoration:underline}.back-link{font-size:12px;color:var(--muted)}.collection-preview{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center;margin:60px 0 90px}.collection-preview>img{width:100%;border-radius:14px}.collection-preview .eyebrow{margin-top:26px}.collection-preview h1{font-size:32px}.collection-preview p{color:var(--muted)}.collection-preview .button{margin-top:20px}
@media(min-width:1400px){.portal-wrap{max-width:1376px}.gateway-image{height:188px}}
@media(max-width:900px){.portal-wrap{padding-left:24px;padding-right:24px}.portal-intro{padding:28px 0}.intro-aside{display:none}h1{font-size:34px}.gateway-grid{gap:14px}.gateway-image{height:145px}.gateway-body{padding:14px}.gateway h3{font-size:18px}.gateway-body>p{font-size:11px}.upcoming{padding:20px}.upcoming h3{font-size:21px}.portal-bottom p span{display:block;margin:4px 0 0}}
@media(max-width:600px){html{scroll-padding-top:20px}.portal-wrap{padding-left:18px;padding-right:18px}.header-inner{height:72px;gap:12px}.portal-brand img{width:141px;height:46px}.header-inner nav{gap:14px;font-size:12px}.header-explore{display:none}.button.small{padding:8px 12px;gap:8px;font-size:11px}.button.small span{display:none}.portal-intro{padding:24px 0 22px}.eyebrow{font-size:8px;letter-spacing:.15em;margin-bottom:12px}h1{font-size:29px;letter-spacing:0}h1 span{display:block}.intro-copy{font-size:12px;max-width:300px}.collection-heading{padding-bottom:12px}.collection-heading h2{font-size:14px}.collection-heading h2 span{display:none}.heading-note{font-size:10px}.gateway-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.gateway-image{height:120px}.region-label{top:8px;left:8px;font-size:9px;padding:2px 7px}.gateway-body{padding:12px}.gateway-en{font-size:7px;letter-spacing:.09em}.gateway h3{font-family:inherit;font-size:15px;letter-spacing:-.02em;margin-top:5px}.gateway-body>p{font-size:10px;line-height:1.6;min-height:32px}.gateway-bottom{margin-top:10px}.entry-state{font-size:9px;gap:5px}.entry-arrow{width:23px;height:23px;font-size:14px}.upcoming{padding:18px 14px}.orbit-mark{width:36px;height:36px;margin-bottom:15px}.orbit-mark span{font-size:20px}.upcoming .eyebrow{font-size:6px}.upcoming h3{font-family:"Songti SC",serif;font-size:18px;line-height:1.5;margin-bottom:9px}.upcoming>p:not(.eyebrow){font-size:10px}.upcoming-note{font-size:8px;margin-top:16px}.portal-bottom{margin-top:20px;gap:12px}.portal-bottom p{font-size:12px}.portal-bottom p span{font-size:10px;max-width:215px}.portal-bottom a{font-size:10px}.art-note{font-size:9px}.portal-footer{display:block;font-size:9px}.portal-footer a{display:block;margin-top:6px}.portal-auth{margin:25px auto 45px;padding:24px}.collection-preview{grid-template-columns:1fr;gap:24px;margin:25px 0 50px}.collection-preview h1{font-size:27px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Original issuer photographs, composed in HTML without modifying the coin faces. */
.gateway-image.real-coins{height:208px;background:linear-gradient(120deg,#e9eee6,#f8faf5);border-bottom:1px solid var(--line);padding:28px 16px 27px}.gateway-euro-circulation .real-coins{background:linear-gradient(120deg,#f0e6d4,#fffaf0)}.gateway-russia .real-coins{background:linear-gradient(120deg,#e5eaf0,#f8faff)}.gateway-ukraine .real-coins{background:linear-gradient(120deg,#e7eef2,#fcf4dd)}.gateway-china .real-coins{background:linear-gradient(120deg,#f0e5dc,#fff8e9)}
.real-coins .region-label{background:none;color:#69776d;border:0;padding:0;top:10px;left:16px;font-size:10px;backdrop-filter:none}.coin-display{height:100%;display:flex;justify-content:center;align-items:center;gap:18px}.real-coins .coin-display img{display:block;width:min(42%,150px);height:100%;object-fit:contain;mix-blend-mode:multiply;transform:none}.real-coins .coin-display.single img{width:156px;max-width:100%}.gateway:hover .coin-display img{transform:none}.coin-photo-caption{position:absolute;bottom:9px;left:8px;right:8px;text-align:center;font-size:10px;color:#758173;white-space:nowrap}.photo-sources{margin:16px 0 24px;color:var(--muted);font-size:11px}.photo-sources summary{cursor:pointer}.photo-sources ul{padding:12px 0 0;list-style:none;display:grid;gap:8px}.photo-sources li{display:flex;justify-content:space-between;gap:20px}.photo-sources a{text-decoration:underline;text-underline-offset:3px}.intro-coin-display{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px}.intro-coin-display img{width:46%;object-fit:contain;mix-blend-mode:multiply}.intro-coin-display p{font-size:11px;text-align:center}
@media(max-width:900px){.gateway-image.real-coins{height:184px;padding:28px 10px}.coin-display{gap:10px}.coin-photo-caption{font-size:9px}}
@media(max-width:600px){.gateway-image.real-coins{height:150px;padding:28px 8px 28px}.coin-display{gap:5px}.real-coins .coin-display img{width:48%}.real-coins .coin-display.single img{width:94px}.coin-photo-caption{font-size:8px;white-space:normal;line-height:1.3;bottom:8px}.real-coins .region-label{left:10px;font-size:9px}.photo-sources li{display:block}.photo-sources li a{display:block;margin-top:3px}}

/* Real coin references in generated cultural scenes; preserve full coin in the crop. */
.gateway-image.themed-scene{height:auto;aspect-ratio:3/2;padding:0;background:#e7e8df}.themed-scene img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}.gateway:hover .themed-scene img{transform:scale(1.015)}.intro-scene img{display:block;width:100%;border-radius:12px}.intro-scene p{font-size:11px;color:var(--muted)}.photo-sources li{align-items:center;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:8px 0}.original-coins{display:flex;gap:8px}.original-coins img{object-fit:contain;border-radius:4px}.photo-sources>p{line-height:1.8}
@media(max-width:600px){.gateway-image.themed-scene{aspect-ratio:3/2}.photo-sources li .original-coins{margin-top:8px}}
.password-input{position:relative;display:block}.portal-auth .password-input input{padding-right:62px}.portal-auth .password-toggle{position:absolute;right:4px;top:4px;bottom:4px;width:auto;padding:6px 10px;background:transparent;color:var(--green);font-size:12px}

@media(max-width:640px){.header-inner.signed-in{height:auto;flex-wrap:wrap;gap:4px;padding-top:10px;padding-bottom:10px}.header-inner.signed-in nav{width:100%;justify-content:flex-end;gap:18px}.header-inner.signed-in nav a,.header-inner.signed-in nav button{white-space:nowrap}}
.gateway-euro{grid-column:span 2}
.euro-pair{display:flex;gap:2px;background:#203d34}
.euro-pair img{flex:1;min-width:0}
.gateway-parts{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 0;padding:0}
.gateway-parts li{font-size:11px;color:#55705e;background:#f0f3eb;border-radius:4px;padding:3px 9px}
@media(max-width:600px){.gateway-parts li{font-size:10px;padding:2px 7px}}
.gateway-image.themed-scene.euro-pair{aspect-ratio:3.1/1}
.euro-pair img{height:100%;object-fit:cover}
@media(max-width:600px){.gateway-image.themed-scene.euro-pair{aspect-ratio:3.1/1}}
.euro-pair img{object-position:center 50%}
