:root{--gold:#ba974b;--ink:#292922;--muted:#989077;--paper:#faf9f4}*{box-sizing:border-box}body{margin:0;background:#efeee8;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",sans-serif}.page{max-width:760px;margin:auto;min-height:100vh;padding:30px 26px;background:radial-gradient(ellipse at 95% 65%,#edeade66,transparent 55%),var(--paper)}.brand{display:flex;align-items:center;gap:12px;margin-bottom:32px}.brandmark{width:53px;height:59px;display:grid;place-items:center;background:#8f8045;color:#fff;font:32px "SimSun",serif;clip-path:polygon(25% 0,75% 0,100% 25%,100% 75%,75% 100%,25% 100%,0 75%,0 25%)}h1{font:700 29px "SimSun",serif;letter-spacing:3px;color:#8c7b3d;margin:0}.brand p{font:10px Georgia,serif;letter-spacing:1.7px;margin:7px 0 0;color:#8c7b3d}.header-note{margin-left:auto;font-size:12px;color:var(--muted);letter-spacing:2px}.search{display:flex;align-items:center;border:1px solid #c5ae77;border-radius:32px;overflow:hidden;background:#fff;height:49px}.search label{align-self:stretch;display:flex;align-items:center;padding:0 19px;background:#d0aa59;white-space:nowrap;font-size:16px}.search input{min-width:0;flex:1;border:0;background:transparent;padding:12px;font:14px inherit;outline:none}.search:focus-within{box-shadow:0 0 0 3px #b99a4933}.search button{border:0;background:none;padding:0 17px;font-size:16px;white-space:nowrap;cursor:pointer}.search button span{font-size:24px;color:var(--muted)}.status{font-size:12px;color:var(--muted);margin:13px 3px 18px}.collection{display:flex;gap:8px;overflow:auto;padding-bottom:10px;margin-bottom:14px}.collection button{border:1px solid #e0dbcc;padding:9px 12px;background:#fff;border-radius:5px;color:#777263;cursor:pointer;white-space:nowrap;font-size:12px}.collection button[aria-pressed=true]{background:#8c7b3d;color:#fff;border-color:#8c7b3d}.photo-wrap{position:relative}.photo{display:block;width:82%;aspect-ratio:3/4;padding:0;border:0;overflow:hidden;position:relative;background:#eeeae2;margin:auto;cursor:zoom-in}.photo img{width:100%;height:100%;object-fit:contain;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}.photo img.rotated{width:133.333%;height:75%;transform:translate(-50%,-50%) rotate(-90deg)}.photo-tip{display:block;text-align:center;font-size:11px;color:#a09a8c;margin-top:12px}.photo-controls{display:flex;align-items:center;justify-content:center;gap:20px;margin:14px 0 23px}.photo-controls button{background:#fff;border:1px solid #ded8c9;width:31px;height:31px;border-radius:50%;font-size:23px;color:#8c7b3d;cursor:pointer}.photo-controls span{font-size:12px;letter-spacing:2px;color:#8e8777}.details{background:#fff;border-radius:10px;padding:8px 24px 12px;box-shadow:0 5px 25px #6d604008}.detail-heading{display:flex;justify-content:space-between;align-items:center;padding:18px 0 12px;border-bottom:1px solid #edeae1;font-size:13px;color:#9b8851;letter-spacing:2px}.detail-heading small{letter-spacing:0;color:#a29c8d;font-size:11px}dl{margin:0}.field{display:flex;justify-content:space-between;gap:20px;padding:20px 0;border-bottom:1px dashed #e8e6df}.field:last-child{border:0}dt{color:#b0a474;font-size:19px}dd{margin:0;font-size:20px;text-align:right}.pending{color:#aaa;font-size:16px}footer{text-align:center;font-size:12px;color:#a59e8c;margin-top:32px;letter-spacing:2px}footer span{display:block;font-size:10px;letter-spacing:0;margin-top:9px}button:focus-visible{outline:3px solid #b99a49;outline-offset:3px}dialog{border:0;border-radius:10px;padding:45px 12px 12px;max-width:95vw;background:#faf9f4}dialog::backdrop{background:#000c}dialog img{display:block;max-width:88vw;max-height:78vh;object-fit:contain}dialog p{text-align:center;font-size:12px;color:#888}#closeViewer{position:absolute;right:10px;top:5px;border:0;background:none;font-size:30px;cursor:pointer}@media(min-width:700px){.page{padding:42px 60px}.photo{width:70%}.brand{margin-bottom:40px}}@media(max-width:380px){.page{padding:24px 16px}.header-note{display:none}.search label{padding:0 12px}.search button{padding:0 10px}.details{padding-left:20px;padding-right:20px}}
.brand p{font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-size:11px;letter-spacing:0;margin-top:8px}.brand h1{letter-spacing:3px}
.source-notice{font-size:12px;line-height:1.8;padding:16px 0 8px;color:#8e887a}.source-notice strong{color:#a04b43}.source-notice p{margin:5px 0}#sourceLink{display:inline-block;color:#9b8851;font-size:12px;padding:8px 0 12px;text-decoration:none}.field dd{overflow-wrap:anywhere;font-size:18px}.field{align-items:flex-start}

.field dt{max-width:65%;overflow-wrap:anywhere;line-height:1.5}.field dd{line-height:1.5}

/* 藏品横向滑动与轻量动效 */
.photo{touch-action:pan-y;cursor:grab;border-radius:8px;box-shadow:0 18px 45px -25px #53442466;isolation:isolate;transition:box-shadow .4s ease}
.photo.dragging{cursor:grabbing;box-shadow:0 22px 50px -22px #53442477}
.photo-track{display:flex;width:100%;height:100%;transition:transform .52s cubic-bezier(.22,.75,.2,1);will-change:transform}
.photo-slide{position:relative;display:block;flex:0 0 100%;height:100%;overflow:hidden}
.photo-slide img{pointer-events:none;user-select:none}
.collection button{transition:background .25s,color .25s,border-color .25s,box-shadow .25s}
.collection button[aria-pressed=true]{box-shadow:0 4px 12px #8c7b3d26}
.photo-controls button{transition:transform .25s,background .25s,box-shadow .25s}
.photo-controls button:active{transform:scale(.9)}
.details{transition:box-shadow .3s ease}
@media(hover:hover){.photo-controls button:hover{transform:translateY(-2px);background:#f4efdf;box-shadow:0 4px 10px #8c7b3d18}.collection button:hover{border-color:#bca461}.photo:hover{box-shadow:0 22px 55px -25px #53442488}}
@media(prefers-reduced-motion:no-preference){.brand{animation:reveal-in .65s ease both}.search{animation:reveal-in .65s .06s ease both}.photo-wrap{animation:reveal-in .75s .12s ease both}@keyframes reveal-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){.photo-track,.photo,.collection button,.photo-controls button,.details{transition:none!important}}
/* 黑金收藏馆主题 */
:root{--gold:#d3b77d;--ink:#f2e7ce;--muted:#a3987e;--paper:#151713}
body{background:#090c09;color:var(--ink)}
.page{max-width:900px;padding:42px 36px;background:radial-gradient(ellipse at 50% 28%,#51472c35,transparent 48%),linear-gradient(145deg,#1c2019,#101410 70%);position:relative;border-left:1px solid #a48b4a25;border-right:1px solid #a48b4a25;box-shadow:0 0 100px #0007}
.page::before{content:"";position:absolute;inset:12px;pointer-events:none;border:1px solid #bc9b5824;border-radius:2px}
.brand{padding:12px 0 28px;border-bottom:1px solid #c4a36035;margin-bottom:28px;gap:16px}
.brandmark{background:linear-gradient(140deg,#ead49a,#927037);color:#1b2118;box-shadow:0 0 30px #cfad6b33;width:60px;height:67px}
h1{color:#e5cc93;font-size:34px;text-shadow:0 2px 20px #c6a15c25}
.brand p{color:#b9a578;font-size:11px}.header-note{color:#c4ad7b;letter-spacing:4px}
.search{background:#101610;border-color:#a58c55;box-shadow:inset 0 1px 0 #eddbac13,0 6px 22px #0003;height:53px}
.search label{background:linear-gradient(120deg,#e3c483,#b69554);color:#24291e}
.search input{color:#f3e7cd;font-size:14px}.search input::placeholder{color:#837c68}
.search button{color:#e4cca0}.search button span{color:#b59d6a}
.status{color:#a99d80;margin-top:18px}.collection{gap:10px;margin-bottom:22px}
.collection button{background:#182019;color:#aa9f82;border-color:#b29a5735;border-radius:4px;padding:10px 14px}
.collection button[aria-pressed=true]{background:linear-gradient(135deg,#e0c48b,#a6884d);color:#20271c;border-color:#d8bd83;box-shadow:0 4px 18px #bc9b5828}
.photo-wrap{padding:24px 0 4px;background:radial-gradient(ellipse at 50% 40%,#8b754030,transparent 68%);border-top:1px solid #c2a56722}
.photo{border:1px solid #cab1765c;border-radius:7px;background:#25271f;box-shadow:0 0 0 6px #c5a86608,0 25px 70px #0009}
.photo::after{content:"";position:absolute;inset:0;border:1px solid #ecd79a22;pointer-events:none;z-index:2;border-radius:7px;background:linear-gradient(125deg,#fff5db08,transparent 30%,transparent 70%,#b2914c09)}
.photo-tip{color:#ab9870;letter-spacing:2px;font-size:11px;margin-top:20px}
.photo-controls{margin:18px 0 24px;gap:24px}.photo-controls button{background:#1b2219;border-color:#b99e5b66;color:#e0c087;width:38px;height:38px;font-size:26px}.photo-controls span{color:#d3bc89;letter-spacing:4px}
.details{background:linear-gradient(140deg,#23281f,#171e17);border:1px solid #c7a66140;border-radius:8px;padding:10px 28px 18px;box-shadow:0 18px 45px #0004;position:relative}
.detail-heading{color:#dbc493;border-color:#c8a86035;padding-top:22px;letter-spacing:4px}.detail-heading small{color:#a4936a;letter-spacing:1px}
.field{border-color:#a48e5838;padding:22px 0}.field dt{color:#c2ab77;font-size:17px}.field dd{color:#eee4cf;font-size:20px}
.source-notice{color:#a69f8b}.source-notice strong{color:#cfb880}#sourceLink{color:#c3ab75}
footer{color:#ac9868;margin-top:36px;padding:20px 0 8px;border-top:1px solid #bfa16330;letter-spacing:4px}footer span{color:#726f60;letter-spacing:1px;margin-top:12px}
dialog{background:#151c16;color:#d5be8c;border:1px solid #ad945b66;box-shadow:0 20px 100px #000}dialog p{color:#a58e62}#closeViewer{color:#e6d5af}
.photo.dragging{box-shadow:0 0 0 6px #c5a86612,0 28px 80px #000a}
@media(hover:hover){.photo:hover{box-shadow:0 0 0 6px #c5a86610,0 25px 70px #0009,0 0 35px #bfa16315}.photo-controls button:hover{background:#383b26;box-shadow:0 0 20px #bfa16320}.collection button:hover{border-color:#dfbe77}}
@media(min-width:700px){.page{padding:48px 70px}.photo{width:70%}}
@media(max-width:520px){.page{padding:28px 22px}.page::before{inset:8px}.brand{gap:12px}.brandmark{width:49px;height:55px}h1{font-size:29px}.header-note{font-size:10px;letter-spacing:1px}.brand p{font-size:10px}.details{padding:8px 21px 14px}.photo-wrap{padding-top:20px}.field dt{font-size:16px}.field dd{font-size:18px}.photo{width:88%}}
@media(max-width:380px){.header-note{display:none}.page{padding:24px 17px}}
/* 拖动时聚焦中央藏品，两侧以缩小卡片露出；选定后恢复原尺寸 */
.photo-track{transform-origin:0 50%}
.photo-slide{transform:scale(.84);opacity:.58;transition:transform .48s cubic-bezier(.22,.75,.2,1),opacity .4s ease;filter:brightness(.78)}
.photo-slide.is-selected{transform:scale(1);opacity:1;filter:none}
.photo.dragging .photo-slide{border-radius:8px;box-shadow:0 12px 25px #0007}
.photo.dragging .photo-slide.is-selected{transform:scale(.98)}
@media(prefers-reduced-motion:reduce){.photo-slide{transition:none!important}}

/* 隐藏藏品导航与页码，保留其内部状态供查询和滑动使用 */
#status,#collection,.photo-controls{display:none}
.search{margin-bottom:28px}
.photo-wrap{padding-bottom:24px}
#status.is-message{display:block;margin:-12px 3px 20px;color:#ddc796}
/* 固定展示框：居中裁切铺满；原图弹窗：旋转成竖向，保留完整照片 */
.photo-slide img{object-fit:cover;object-position:center}
.viewer-stage{position:relative;width:min(80vw,42vh);aspect-ratio:9/16;overflow:hidden;background:#101410}
#viewer #fullImage{position:absolute;left:50%;top:50%;width:100%;height:100%;max-width:none;max-height:none;object-fit:contain;transform:translate(-50%,-50%)}
#viewer #fullImage.rotated{width:177.7778%;height:56.25%;transform:translate(-50%,-50%) rotate(-90deg)}

footer{letter-spacing:1px;line-height:1.9}footer .anti-fraud-warning{color:#ff6868;font-size:14px;font-weight:700;letter-spacing:0;line-height:1.9;margin-top:10px}

.brand p{font-size:15px;line-height:1.85;color:#dec38b;margin-top:9px;font-weight:500}.brand p span{display:inline-block}.brand{align-items:center}@media(max-width:520px){.brand p{font-size:13px;line-height:1.8}.brand .header-note{display:none}.brandmark{flex-shrink:0}}

/* 页头：标题与说明标签分层，统一基线 */
.brand{align-items:flex-start;gap:20px;padding:10px 0 30px}
.brandmark{flex-shrink:0;margin-top:3px;width:62px;height:70px}
.brand-copy{min-width:0;flex:1}
.brand h1{font-size:34px;line-height:1.25;letter-spacing:5px;margin:0}
.brand-credentials{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}
.brand-credentials span{display:block;padding:7px 10px;border:1px solid #c3a6683b;border-radius:4px;background:linear-gradient(120deg,#c7a6670b,#c7a66703);color:#cbbb95;font-size:12px;line-height:1.5;letter-spacing:.4px}
.brand .header-note{align-self:flex-start;padding-top:13px;font-size:11px;letter-spacing:3px;white-space:nowrap}
@media(max-width:700px){.brand{gap:14px}.brand .header-note{display:none}.brand h1{font-size:30px;letter-spacing:4px}.brandmark{width:52px;height:60px}.brand-credentials{gap:6px;margin-top:12px}.brand-credentials span{font-size:12px;padding:5px 8px}}
@media(max-width:420px){.brand-credentials{flex-direction:column;align-items:flex-start}.brand h1{font-size:29px}.brand-credentials span{font-size:11px;letter-spacing:0}}

/* 静止时两侧相邻藏品预览：较小、较暗，中央保持原展示尺寸 */
.gallery-stage{position:relative;overflow:hidden;isolation:isolate;padding:8px 0 16px}
.gallery-stage .photo{position:relative;z-index:2}
.side-preview{position:absolute;top:50%;transform:translateY(-50%);width:50%;aspect-ratio:3/4;border:1px solid #c3a76b44;border-radius:7px;overflow:hidden;background:#171c14;padding:0;z-index:1;cursor:pointer;opacity:.65;filter:brightness(.55);transition:filter .35s,opacity .35s;box-shadow:0 12px 36px #0008}
.side-left{left:-10%}.side-right{right:-10%}
.side-preview img{position:absolute;left:50%;top:50%;width:100%;height:100%;object-fit:cover;transform:translate(-50%,-50%);pointer-events:none}
.side-preview img.rotated{width:133.333%;height:75%;transform:translate(-50%,-50%) rotate(-90deg)}
@media(hover:hover){.side-preview:hover{opacity:.85;filter:brightness(.7)}}
@media(max-width:520px){.gallery-stage .photo{width:76%}.side-preview{width:54%}.side-left{left:-15%}.side-right{right:-15%}}
@media(prefers-reduced-motion:reduce){.side-preview{transition:none}}

/* 整体轨道：所有相邻图片与主图同步平移，不再使用独立侧图 */
.gallery-stage{overflow:hidden;padding-top:20px;padding-bottom:24px}
.gallery-stage .photo{overflow:visible;background:transparent;border:0;box-shadow:none;border-radius:0;isolation:auto}
.gallery-stage .photo::after{display:none}
.gallery-stage .photo:hover,.gallery-stage .photo.dragging{box-shadow:none}
.photo-slide{border:1px solid #c8ad6955;border-radius:7px;background:#172016;box-shadow:0 12px 35px #0006;transition:transform .52s cubic-bezier(.22,.75,.2,1),opacity .52s ease,filter .52s ease}
.photo.dragging .photo-slide.is-selected{transform:none}
.photo-track{overflow:visible}