:root{--brand:#223e6e;--deep:#172c4c;--ink:#253348;--sub:#697586;--line:#dce1e8;--paper:#f8f9fb;--white:#fff;--ease:cubic-bezier(.2,.75,.2,1);--gutter:clamp(24px,4.5vw,80px)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}button,a{-webkit-touch-callout:none}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button,a,input{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid #658bbd;outline-offset:5px}button:disabled{cursor:default}img{display:block;max-width:100%}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}::selection{color:#fff;background:var(--brand)}.skip-link{position:fixed;left:20px;top:-80px;z-index:100;background:#fff;padding:16px}.skip-link:focus{top:10px}.eyebrow{font-size:12px;letter-spacing:.2em;line-height:1.5;font-weight:500}.site-header{height:96px;padding:0 var(--gutter);display:flex;align-items:center;justify-content:space-between;background:var(--brand);color:#fff;border-bottom:1px solid #ffffff26}.brand{display:flex;align-items:center;gap:26px}.brand img{width:173px;height:auto}.brand>span{font-size:11px;letter-spacing:.19em;color:#ffffffb8;border-left:1px solid #ffffff40;padding:6px 0 6px 24px}.site-header nav{display:flex;gap:36px;align-items:center;height:100%}.site-header nav>a{height:100%;display:flex;align-items:center;gap:8px;font-size:14px;color:#ffffffad;position:relative;transition:color .25s}.site-header nav>a:hover,.site-header nav>.nav-active{color:#fff}.site-header nav>.nav-active:after{content:"";height:2px;background:#fff;position:absolute;bottom:0;left:0;right:0}.nav-en{border:1px solid #ffffff60;font-size:10px;padding:2px 4px;letter-spacing:.04em}.hero{display:grid;grid-template-columns:43% 57%;background:var(--brand);color:#fff;min-height:490px}.hero-copy{padding:47px 40px 28px var(--gutter);display:flex;flex-direction:column;align-items:flex-start}.hero-copy>.eyebrow{display:flex;align-items:center;gap:13px;color:#ffffffb3;font-size:11px}.short-rule{width:25px;height:1px;background:#ffffff9e}.hero h1{font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;font-weight:400;font-size:clamp(42px,4.35vw,70px);line-height:1.3;letter-spacing:.05em;margin:28px 0 20px}.title-dot{margin-left:-.1em}.hero-description{font-size:14px;line-height:1.9;color:#ffffffb8;margin:0}.hero-cta{margin:30px 0 38px;display:flex;gap:43px;align-items:center;padding:0 0 12px;border-bottom:1px solid #ffffff85;font-size:14px}.hero-cta svg{width:23px;transition:transform .3s}.hero-cta:hover svg{transform:translateX(6px)}.hero-bottom{width:100%;display:flex;gap:16px;justify-content:space-between;margin-top:auto;color:#ffffff8c;font-size:10px;letter-spacing:.15em;align-items:center}.hero-scroll{display:flex;gap:12px;align-items:center}.hero-scroll>span{font-size:20px}.hero-visual{position:relative;overflow:hidden;min-width:0;background:#a7aaa9}.hero-image{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:center;transition:transform 1.1s var(--ease);animation:hero-image-in 1.2s var(--ease) both}.hero-visual:hover .hero-image{transform:scale(1.025)}.hero-visual:after{content:"";position:absolute;inset:50% 0 0;background:linear-gradient(transparent,rgba(10,19,28,.64));pointer-events:none}.image-caption{position:absolute;left:36px;right:36px;bottom:30px;display:flex;align-items:center;justify-content:space-between;gap:20px;z-index:1}.image-caption .eyebrow{font-size:10px;color:#ffffffbf}.image-caption strong{display:block;font-weight:400;font-size:19px;letter-spacing:.03em;margin-top:8px}.round-arrow{width:47px;height:47px;border:1px solid #ffffff75;border-radius:50%;display:grid;place-items:center;transition:background .3s,transform .4s}.hero-visual:hover .round-arrow{background:#ffffff20;transform:rotate(45deg)}.collection{max-width:1600px;margin:0 auto;padding:68px var(--gutter) 64px}.collection-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:35px}.collection-heading .eyebrow{color:var(--sub);font-size:11px;letter-spacing:.17em}.collection h2{font-size:32px;font-weight:500;letter-spacing:.03em;margin:10px 0 0;line-height:1.3}.collection-period{color:var(--brand);margin-left:4px}.collection-heading>p{font-size:14px;color:var(--sub);margin:0 0 5px;letter-spacing:.06em}.collection-toolbar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:16px;margin-bottom:32px}.edition-tabs{display:flex;gap:30px}.edition-tabs button{border:0;padding:0 0 18px;background:transparent;position:relative;color:var(--sub);font-size:15px;white-space:nowrap;display:flex;gap:9px;align-items:center;min-height:44px}.edition-tabs button[aria-selected="true"]{color:var(--brand);font-weight:600}.edition-tabs button:after{position:absolute;content:"";height:2px;bottom:-1px;left:0;width:100%;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}.edition-tabs button[aria-selected="true"]:after{transform:scaleX(1)}.edition-tabs button>span{font-size:11px;font-weight:400;align-self:center}.edition-tabs button>.edition-en{font-size:10px;letter-spacing:.05em;background:#e8edf4;color:var(--brand);padding:3px 5px}.collection-count{font-size:12px;color:var(--sub);padding-bottom:18px;font-variant-numeric:tabular-nums}.edition-note{font-size:13px;color:var(--sub);margin:-8px 0 24px}.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 26px}.catalog-card{min-width:0;display:block;outline-offset:7px}.card-image{aspect-ratio:1.35;position:relative;overflow:hidden;background:#e5e8ed}.category-photo{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease),filter .7s}.card-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,32,52,.11),transparent 40%,rgba(17,32,52,.12));pointer-events:none}.cover-mini{position:absolute;height:66%;width:auto;max-width:43%;right:22px;bottom:20px;object-fit:contain;box-shadow:5px 9px 18px #0a1a3538;transform:perspective(650px) rotateY(-12deg) rotateZ(4deg);transform-origin:left;transition:transform .6s var(--ease),box-shadow .6s var(--ease);z-index:1}.edition-badge{position:absolute;top:16px;left:16px;background:#ffffffec;color:var(--brand);font-size:11px;padding:6px 9px;letter-spacing:.02em;z-index:2}.card-open{position:absolute;left:18px;bottom:20px;z-index:2;color:#fff;background:#223e6edb;border-radius:50%;width:40px;height:40px;display:grid;place-items:center;transition:transform .4s,background .4s}.card-open svg{width:20px;height:20px}.card-meta{padding:20px 0 0;display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.card-meta h3{margin:0;font-size:20px;font-weight:500;letter-spacing:.05em}.card-en{margin:8px 0 0;text-transform:uppercase;font-size:10px;color:var(--sub);letter-spacing:.1em;line-height:1.5}.card-details{margin:5px 0 0;text-align:right;white-space:nowrap;font-size:11px;color:var(--sub);line-height:1.75;font-variant-numeric:tabular-nums}.card-details span{display:block}.catalog-card:hover .category-photo{transform:scale(1.05)}.catalog-card:hover .cover-mini{transform:perspective(650px) rotateY(0) rotateZ(0) translateY(-6px);box-shadow:4px 16px 24px #0a1a3540}.catalog-card:hover .card-open{transform:rotate(-45deg);background:var(--brand)}.catalog-card:hover h3{color:var(--brand)}.library-note{margin-top:54px;padding-top:26px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--sub)}.library-note>span:first-child{display:flex;align-items:center;gap:10px}.library-note svg{width:18px;height:18px}.site-footer{background:var(--brand);color:#fff;padding:44px var(--gutter);display:flex;align-items:center;gap:48px}.footer-brand img{width:143px;height:auto}.footer-brand p{font-size:9px;letter-spacing:.14em;color:#ffffff94;margin:17px 0 0}.footer-info{margin-left:auto}.footer-info p{font-size:13px;margin:0 0 10px;font-weight:400}.footer-info span{font-size:11px;color:#ffffff94}.back-to-top{margin-left:30px;display:flex;align-items:center;gap:20px;font-size:12px}.back-to-top>span{font-size:24px}.hero-copy>*{animation:copy-in .8s var(--ease) both}.hero-copy h1{animation-delay:.08s}.hero-copy .hero-description{animation-delay:.16s}.hero-copy .hero-cta{animation-delay:.24s}.hero-copy .hero-bottom{animation-delay:.3s}@keyframes copy-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}@keyframes hero-image-in{from{opacity:.4;scale:1.035}to{opacity:1;scale:1}}
/* Reading surface: preserve the original slide and gesture contracts. */
#reader{position:fixed;inset:0;background:var(--deep);z-index:50;display:none;touch-action:none;overflow:hidden;color:#fff}#reader.on{display:block;animation:reader-in .3s var(--ease)}@keyframes reader-in{from{opacity:0}to{opacity:1}}#track{position:absolute;inset:0;display:flex;will-change:transform}.slide{flex:0 0 100%;height:100%;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.slide .pg{width:var(--w1);height:var(--h1);display:flex;will-change:transform;filter:drop-shadow(0 10px 28px #0713263d)}.slide.two .pg{width:var(--w2);height:var(--h2)}.slide .pg img{width:100%;height:100%;object-fit:contain;display:block;background:#fff;-webkit-user-drag:none;user-select:none}.slide.two .pg img{width:50%}.slide .ph{position:absolute;width:26px;height:26px;border:2px solid #ffffff25;border-top-color:#ffffffb0;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.image-error{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1;background:var(--deep);padding:18px;text-align:center;font-size:14px;line-height:1.8}.bar{position:absolute;left:0;right:0;z-index:5;transition:opacity .25s,transform .25s;color:#fff}.bar.hide{opacity:0;pointer-events:none}#top{top:0;padding:calc(env(safe-area-inset-top) + 14px) 24px 14px;background:#172c4cf2;display:flex;align-items:center;gap:16px;border-bottom:1px solid #ffffff14}#top.hide{transform:translateY(-8px)}.btn{border:1px solid #ffffff24;background:#ffffff08;color:#fff;font:inherit;font-size:13px;min-height:42px;padding:10px 14px;border-radius:3px;cursor:pointer;white-space:nowrap;display:inline-flex;gap:8px;align-items:center;justify-content:center;transition:background .2s,border .2s}.btn:hover{background:#ffffff15;border-color:#ffffff45}.btn:active{background:#ffffff25}.btn svg{width:17px;height:17px}.reader-title{flex:1;text-align:center;min-width:0}#bookname{font-size:15px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#bookedition{display:block;color:#ffffff8c;font-size:10px;letter-spacing:.06em;margin-top:5px}#bot{bottom:0;padding:15px 24px calc(env(safe-area-inset-bottom) + 15px);background:#172c4cf2;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid #ffffff14}#bot.hide{transform:translateY(8px)}#pgbtn{font-variant-numeric:tabular-nums;font-size:13px;background:transparent;border:0;color:#ffffffd6;letter-spacing:.08em}.seg{display:inline-flex;background:#ffffff0c;border:1px solid #ffffff24;border-radius:3px;padding:3px}.seg button{background:none;border:0;color:#ffffff92;font:inherit;font-size:12px;min-height:34px;padding:5px 15px;border-radius:1px;cursor:pointer;transition:background .2s,color .2s;white-space:nowrap}.seg button.on{background:#fff;color:var(--brand);font-weight:500}.reader-arrows{top:50%;transform:translateY(-50%);padding:0 25px;display:flex;justify-content:space-between;pointer-events:none}.arrow-btn{width:46px;height:46px;border-radius:50%;color:#fff;border:1px solid #ffffff35;background:#172c4c9c;display:grid;place-items:center;pointer-events:auto;transition:background .2s,opacity .2s}.arrow-btn:disabled{opacity:.2;pointer-events:none}.arrow-btn:hover{background:var(--brand)}.reader-arrows.hide .arrow-btn{pointer-events:none}.reading-progress{position:absolute;top:-1px;left:0;right:0;height:2px;background:#ffffff10}.reading-progress span{display:block;height:100%;width:0;background:#b7cce5;transition:width .3s var(--ease)}#drawer{position:absolute;left:24px;right:24px;bottom:0;max-height:76%;background:#f8f9fb;color:var(--ink);z-index:8;border-radius:8px 8px 0 0;transform:translateY(102%);transition:transform .4s var(--ease);display:flex;flex-direction:column;touch-action:pan-y;box-shadow:0 -12px 50px #07132640}#drawer.on{transform:translateY(0)}.dh{padding:22px 26px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);flex:0 0 auto}.dh>div{display:grid;gap:6px}.dh .eyebrow{color:var(--sub);font-size:10px}.dh b{font-size:15px;font-weight:500}.dh .btn{color:var(--brand);border-color:var(--line)}.dh .btn span{font-size:20px}#thumbs{overflow-y:auto;align-content:start;padding:20px 26px calc(env(safe-area-inset-bottom) + 24px);display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:14px;-webkit-overflow-scrolling:touch}.th{position:relative;height:0;padding:0 0 135.8%;background:#e6e9ef;border-radius:2px;overflow:hidden;cursor:pointer;border:2px solid transparent}.th.cur{border-color:var(--brand)}.th img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.th i{position:absolute;left:0;right:0;bottom:0;background:#172c4cd9;color:#fff;font-size:11px;text-align:center;font-style:normal;padding:3px 0;font-variant-numeric:tabular-nums;z-index:1}#mask{position:absolute;inset:0;background:#081a32a6;z-index:7;opacity:0;pointer-events:none;transition:opacity .3s}#mask.on{opacity:1;pointer-events:auto}#hint{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:6;color:#fff;background:#172c4cf0;padding:18px 24px;border:1px solid #ffffff30;border-radius:4px;font-size:13px;line-height:1.8;text-align:center;opacity:0;transition:opacity .4s;pointer-events:none;min-width:250px}#hint.on{opacity:1}.noscript{padding:30px;background:#fff;color:var(--brand)}
@media(min-width:1600px){.hero{min-height:570px}.hero-copy{padding-top:62px}.hero h1{font-size:76px}.hero-cta{margin-top:36px}.catalog-grid{gap:48px 32px}}
@media(max-width:1050px){.site-header{height:80px}.brand{gap:16px}.brand>span{display:none}.hero{grid-template-columns:45% 55%;min-height:455px}.hero-copy{padding-top:34px;padding-right:28px}.hero h1{font-size:46px}.hero-description{font-size:13px}.hero-bottom{font-size:9px}.hero-scroll{display:none}.image-caption{left:25px;right:25px;bottom:26px}.image-caption strong{font-size:16px}.collection{padding-top:52px}.catalog-grid{gap:32px 20px}.card-image{aspect-ratio:1.12}.cover-mini{right:16px;bottom:16px;height:60%}.card-meta{display:block}.card-details{display:flex;text-align:left;gap:8px;margin-top:10px}.card-details span+span:before{content:"·";padding-right:8px}.card-open{left:14px;bottom:16px;width:35px;height:35px}.footer-info{max-width:250px}.back-to-top{margin-left:0}}
@media(max-width:700px){:root{--gutter:22px}.site-header{height:74px}.brand img{width:137px}.site-header nav{gap:18px}.site-header nav>a{font-size:12px}.nav-en{font-size:9px;padding:1px 3px}.hero{grid-template-columns:1fr;min-height:0}.hero-copy{padding:32px var(--gutter) 26px;display:grid;grid-template-columns:1fr auto;column-gap:10px}.hero-copy>.eyebrow{grid-column:1/-1;font-size:10px}.hero h1{font-size:45px;line-height:1.22;margin:23px 0 17px;grid-column:1/-1}.hero h1 br{display:block}.hero-description{font-size:13px;line-height:1.8;grid-column:1/-1}.hero-description br{display:none}.hero-cta{grid-column:1;justify-self:start;margin:24px 0 0;gap:31px;font-size:13px;padding-bottom:8px}.hero-bottom{grid-column:2;align-self:end;margin-bottom:11px;width:auto}.hero-bottom>span:first-child{display:none}.hero-scroll{display:flex}.hero-visual{height:300px}.hero-image{object-position:center 54%}.image-caption{left:22px;right:22px;bottom:21px}.image-caption strong{font-size:17px}.round-arrow{width:39px;height:39px}.collection{padding-top:38px;padding-bottom:38px}.collection-heading{margin-bottom:26px}.collection-heading>p{display:none}.collection-heading .eyebrow{font-size:10px}.collection h2{font-size:27px;margin-top:8px}.collection-toolbar{margin-bottom:24px;gap:8px}.edition-tabs{gap:20px}.edition-tabs button{font-size:13px;gap:6px;padding-bottom:14px}.edition-tabs button>.edition-en{font-size:9px;padding:2px 4px}.collection-count{font-size:10px;padding-bottom:14px}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 14px}.card-image{aspect-ratio:.9}.cover-mini{height:60%;right:11px;bottom:13px;max-width:60%}.category-photo{object-position:38% center}.card-open{width:29px;height:29px;left:10px;bottom:13px}.card-open svg{width:16px;height:16px}.edition-badge{font-size:9px;padding:5px 7px;left:10px;top:10px}.card-meta{padding-top:14px}.card-meta h3{font-size:17px}.card-en{font-size:9px;letter-spacing:.03em;line-height:1.55;margin-top:6px}.card-details{font-size:10px;gap:6px;margin-top:7px}.card-details span+span:before{padding-right:6px}.library-note{margin-top:35px;padding-top:20px;font-size:11px}.library-note>span:last-child{display:none}.site-footer{padding:33px var(--gutter);gap:26px 16px;flex-wrap:wrap;align-items:flex-start}.footer-brand img{width:128px}.footer-brand p{font-size:8px;margin-top:13px}.footer-info{max-width:none;margin-left:0;order:3;flex-basis:100%}.footer-info p{font-size:12px;margin-bottom:7px}.footer-info span{font-size:10px}.back-to-top{margin-left:auto;font-size:11px}.back-to-top>span{font-size:19px}#top{padding:calc(env(safe-area-inset-top) + 9px) 10px 9px;gap:9px}.btn{font-size:12px;padding:9px 10px;min-height:42px;gap:5px}.btn svg{width:15px;height:15px}#bookname{font-size:14px}#bookedition{font-size:9px;margin-top:4px}#bot{padding:12px 10px calc(env(safe-area-inset-bottom) + 12px);gap:4px}.seg button{font-size:12px;padding:5px 11px}#pgbtn{font-size:12px;padding:8px 4px}.reader-arrows{display:none}#drawer{left:0;right:0;border-radius:8px 8px 0 0;max-height:78%}.dh{padding:18px 16px 14px}.dh b{font-size:14px}#thumbs{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;padding:16px 14px calc(env(safe-area-inset-bottom) + 20px)}.th i{font-size:10px}}
@media(max-width:380px){:root{--gutter:17px}.site-header nav{gap:11px}.brand img{width:123px}.site-header nav>a{font-size:11px}.hero h1{font-size:39px}.hero-visual{height:265px}.edition-tabs{gap:14px}.edition-tabs button{font-size:12px}.collection-count{font-size:9px}.card-details{font-size:9px}.card-en{min-height:28px}#top .btn svg{display:none}#tocbtn>span{font-size:11px}.seg button{padding:5px 9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-delay:0ms!important;transition-duration:.01ms!important}.hero-visual:hover .hero-image,.catalog-card:hover .category-photo{transform:none}}

/* Readable catalogue metadata at every viewport size. */
.eyebrow,.hero-copy>.eyebrow,.hero-bottom,.image-caption .eyebrow,.collection-heading .eyebrow,.collection-count,.card-en,.card-details,.edition-badge,.edition-tabs button>span,.edition-tabs button>.edition-en,.library-note,.footer-brand p,.footer-info span,.back-to-top,#bookedition,.dh .eyebrow,.th i{font-size:12px}
.hero-description{font-size:16px}.brand>span{font-size:12px}.nav-en{font-size:12px}.hero-cta{font-size:15px}.hero-bottom{letter-spacing:.1em}.card-en{letter-spacing:.06em}.card-details{margin-top:3px}.edition-tabs button{min-height:46px}.collection-toolbar{align-items:flex-start}
@media(max-width:1050px){.hero-bottom>span:first-child{font-size:12px;letter-spacing:.035em}.hero-copy{padding-right:22px}.hero-description{font-size:15px}.card-details{margin-top:9px}.site-header nav>a{font-size:14px}}
@media(max-width:700px){.site-header nav>a{font-size:12px}.nav-en{display:none}.hero h1{font-size:42px;margin-top:22px}.hero-description{font-size:14px}.hero-bottom{display:none}.collection-toolbar{flex-wrap:wrap;row-gap:0}.collection-count{padding-bottom:14px}.edition-tabs{gap:20px}.edition-tabs button{font-size:14px}.collection-heading .eyebrow{font-size:12px}.card-details{display:block;margin-top:8px;line-height:1.65}.card-details span+span:before{content:none}.card-en{min-height:36px;font-size:12px;letter-spacing:0}.edition-badge{font-size:12px;left:8px;top:8px;padding:5px 6px}.cover-mini{max-width:59%}.footer-brand p{font-size:12px;letter-spacing:.03em}.footer-brand{max-width:240px}.footer-info span{line-height:1.7}.image-caption .eyebrow{font-size:12px}.dh .eyebrow{font-size:12px}#bookedition{font-size:11px;letter-spacing:0}#top .btn{padding-left:8px;padding-right:8px}}
@media(max-width:400px){.collection-count{display:none}.hero h1{font-size:40px}.brand img{width:125px}.site-header nav{gap:15px}.site-header nav>a{font-size:12px}.hero-visual{height:275px}.card-meta h3{font-size:17px}.back-to-top{gap:10px}.footer-brand{max-width:190px}}

/* Concise cover: one title and one action, with photography taking the lead. */
.hero.hero-minimal{grid-template-columns:32% 68%;min-height:clamp(370px,31vw,470px)}
.hero-minimal .hero-copy{padding:54px 32px 54px var(--gutter);display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:0}
.hero-minimal h1{font-family:inherit;font-size:clamp(36px,3.15vw,52px);font-weight:400;letter-spacing:.14em;line-height:1.25;margin:0;white-space:nowrap}
.hero-minimal .hero-cta{margin:42px 0 0;padding:10px 0;gap:36px;min-height:44px;border-bottom:1px solid #ffffff4d;font-size:14px;color:#ffffffe0}
.hero-minimal .hero-cta svg{width:21px;height:21px}
.hero-minimal .hero-image{object-position:center 55%}
.hero-minimal .image-caption{left:30px;right:30px;bottom:25px}
.hero-minimal .image-caption strong{font-size:14px;letter-spacing:.12em;font-weight:400;margin:0}
.hero-minimal .round-arrow{width:40px;height:40px}
.collection-heading h2{font-size:24px;letter-spacing:.06em;margin:0;font-weight:500}
@media(max-width:1050px){
  .hero.hero-minimal{grid-template-columns:35% 65%;min-height:370px}
  .hero-minimal .hero-copy{padding-left:var(--gutter);padding-right:24px}
  .hero-minimal h1{font-size:36px;letter-spacing:.08em}
}
@media(max-width:700px){
  .hero.hero-minimal{grid-template-columns:1fr;min-height:0}
  .hero-minimal .hero-copy{padding:27px var(--gutter);flex-direction:row;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
  .hero-minimal h1{font-size:28px;letter-spacing:.09em;margin:0}
  .hero-minimal .hero-cta{margin:0;padding:8px 0;gap:16px;font-size:13px;border-bottom:0}
  .hero-minimal .hero-visual{height:290px}
  .hero-minimal .image-caption{left:22px;right:22px;bottom:19px}
  .hero-minimal .image-caption strong{font-size:13px}
  .hero-minimal .round-arrow{width:35px;height:35px}
  .collection-heading{margin-bottom:24px}
  .collection-heading h2{font-size:22px}
}

/* Consistent Chinese title outlines across iOS, Android and desktop. */
@font-face{font-family:"HIGOLD Title";src:url("assets/fonts/higold-title.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap;unicode-range:U+4EA7,U+518C,U+54C1,U+753B}
.hero-minimal h1{font-family:"HIGOLD Title","PingFang SC","Microsoft YaHei",sans-serif;font-weight:500;font-size:clamp(34px,2.9vw,46px);letter-spacing:.015em;line-height:1.25;font-synthesis:none}
.site-header,.site-footer{padding-left:max(var(--gutter),env(safe-area-inset-left));padding-right:max(var(--gutter),env(safe-area-inset-right))}
#top,#bot{padding-left:max(24px,env(safe-area-inset-left));padding-right:max(24px,env(safe-area-inset-right))}
.reader-arrows{padding-left:max(25px,env(safe-area-inset-left));padding-right:max(25px,env(safe-area-inset-right))}
#drawer{left:max(24px,env(safe-area-inset-left));right:max(24px,env(safe-area-inset-right))}
@media(max-width:1050px){.hero-minimal h1{font-size:34px}}
@media(max-width:700px){
  .site-header nav>a{font-size:14px;white-space:nowrap}
  .site-header nav{gap:16px}
  .hero-minimal .hero-copy{padding-top:24px;padding-bottom:24px}
  .hero-minimal h1{font-size:26px;letter-spacing:.02em}
  .hero-minimal .hero-cta{font-size:14px}
  .collection-heading h2{font-size:21px;letter-spacing:.02em}
  .card-en{min-height:0;line-height:1.5}
  .card-details{margin-top:9px}
  .edition-note{line-height:1.7}
  #top,#bot{padding-left:max(10px,env(safe-area-inset-left));padding-right:max(10px,env(safe-area-inset-right))}
  #bookedition{font-size:12px}
  #drawer{left:env(safe-area-inset-left);right:env(safe-area-inset-right)}
  .seg button{min-height:38px}
}
@media(max-width:360px){
  .site-header nav>a{font-size:13px}
  .site-header nav{gap:12px}
  .brand img{width:120px}
  .hero-minimal h1{font-size:25px}
  .hero-minimal .hero-cta{gap:12px}
  .card-en{min-height:36px}
}
@media(max-height:500px) and (orientation:landscape){
  #top{padding-top:max(5px,env(safe-area-inset-top));padding-bottom:5px}
  #bot{padding-top:5px;padding-bottom:max(5px,env(safe-area-inset-bottom))}
  .reader-title{display:flex;align-items:center;justify-content:center;gap:12px}
  #bookedition{margin:0;font-size:12px}
  #bookname{font-size:14px}
  #top .btn,#bot .btn{min-height:38px;padding-top:7px;padding-bottom:7px}
  .seg button{min-height:32px}
  .arrow-btn{width:40px;height:40px}
}

/* Quiet, full-image carousel; every slide retains a real catalogue link. */
.hero-carousel{touch-action:pan-y pinch-zoom;isolation:isolate}
.carousel-slides,.hero-slide{position:absolute;inset:0}
.hero-slide{opacity:0;visibility:hidden;pointer-events:none;transition:opacity .75s var(--ease),visibility 0s .75s;z-index:0}
.hero-slide.is-active{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .75s var(--ease),visibility 0s;z-index:1}
.hero-carousel .hero-image{animation:none;transform:none;transition:none;user-select:none;-webkit-user-drag:none}
.hero-carousel:hover .hero-image{transform:none}
.hero-carousel:after{z-index:2;inset:45% 0 0;background:linear-gradient(transparent,rgba(10,19,28,.74));pointer-events:none}
.carousel-footer{position:absolute;left:30px;right:22px;bottom:20px;display:flex;justify-content:space-between;align-items:center;gap:16px;z-index:3;pointer-events:none}
.carousel-footer>strong{font-size:14px;letter-spacing:.08em;font-weight:400}
.carousel-controls{display:flex;align-items:center;gap:3px;pointer-events:auto}
.carousel-controls button{width:44px;height:44px;padding:0;border:1px solid transparent;border-radius:50%;background:transparent;color:#fff;display:grid;place-items:center;transition:background .2s,border-color .2s}
.carousel-controls button:hover{background:#ffffff1a;border-color:#ffffff50}
.carousel-controls button:focus-visible{outline-color:white;outline-offset:0}
.carousel-controls svg{width:19px;height:19px}
.carousel-progress{display:flex;align-items:center;gap:7px;width:248px}
.carousel-controls .carousel-step{flex:1;min-width:0;width:auto;height:44px;border:0;border-radius:0;background:none;padding:0 1px}
.carousel-controls .carousel-step:hover{border:0;background:none}
.carousel-progress-track{display:block;position:relative;width:100%;height:2px;background:#ffffff50;overflow:hidden;transition:background .25s}
.carousel-progress-fill{position:absolute;inset:0;background:white;transform:scaleX(0);transform-origin:left center}
.carousel-step[aria-current="true"] .carousel-progress-track{background:#ffffff70}
.carousel-step:hover .carousel-progress-track{background:#ffffffa0}
.carousel-controls .carousel-step:focus-visible{outline:2px solid white;outline-offset:3px}
#carousel-pause{margin-left:12px}
#carousel-pause .play-symbol{display:none}
#carousel-pause[data-paused="true"] .pause-symbol{display:none}
#carousel-pause[data-paused="true"] .play-symbol{display:block}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
@media(max-width:700px){
  .carousel-footer{left:22px;right:22px;bottom:10px;gap:0;flex-direction:column;align-items:stretch}
  .carousel-footer>strong{font-size:13px;letter-spacing:.04em}
  .carousel-controls{gap:12px;width:100%}
  .carousel-progress{flex:1;min-width:0;width:auto;gap:6px}
  #carousel-pause{margin-left:0;flex-shrink:0}
}
@media(max-width:360px){.carousel-footer{left:17px;right:17px}.carousel-footer>strong{font-size:12px}}

/* Three destinations share one lightweight shell. Brand assets load on entry. */
#catalog-home[hidden],#brand-center[hidden]{display:none!important}
.brand-load-state{min-height:55vh;max-width:1500px;margin:auto;padding:70px var(--gutter)}
.brand-load-state h1{font-size:32px;font-weight:500;letter-spacing:.02em;margin:0 0 24px}
.brand-load-state p{color:var(--sub);font-size:14px}
.brand-load-state button{background:var(--brand);color:white;border:0;padding:12px 24px;margin-top:12px}
.site-header nav>a{white-space:nowrap}
.edition-tabs{min-width:0}
.edition-tabs button{white-space:nowrap}
@media(max-width:700px){
  .site-header{height:auto;min-height:108px;flex-wrap:wrap;gap:12px;padding-top:19px;align-content:start}
  .site-header nav{width:100%;height:44px;justify-content:space-between;gap:16px}
  .site-header nav>a{font-size:14px}
  .site-header .brand img{width:146px}
  .site-header nav .nav-en{display:none}
  .edition-tabs{gap:18px}
  .edition-tabs button{font-size:13px;gap:5px}
  .collection-toolbar .collection-count{display:none}
  .brand-load-state{padding-top:42px}
  .brand-load-state h1{font-size:26px}
}
@media(max-width:360px){
  .site-header nav>a{font-size:13px}
  .edition-tabs{gap:14px}
  .edition-tabs button{font-size:12px}
  #original-count,#bilingual-count{display:none}
}
:root{--index-paper:#f8f9fb}
.footer-brand .brand-slogan{font-size:clamp(15px,1.4vw,20px);line-height:1.5;letter-spacing:.025em;text-transform:none;color:#d7e1ef;margin-top:20px;white-space:nowrap}
.footer-brand .brand-slogan em{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:1.1em}
#drawer{height:min(80dvh,760px);max-height:84%;overflow:hidden}
#drawer [hidden]{display:none!important}
.directory-tabs{display:flex;gap:28px;padding:0 26px;border-bottom:1px solid var(--line);flex:0 0 auto}
.directory-tabs button{font:inherit;font-size:14px;min-height:48px;padding:0 2px;border:0;border-bottom:2px solid transparent;background:none;color:var(--sub);cursor:pointer}
.directory-tabs button[aria-selected="true"]{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}
#product-directory{display:flex;flex-direction:column;min-height:0;flex:1}
.index-filters{display:flex;gap:12px;padding:20px 26px 0;flex:0 0 auto}
.index-search{display:flex;align-items:center;gap:10px;min-width:0;flex:1;background:#fff;border:1px solid var(--line);padding:0 14px;border-radius:3px}
.index-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px #223e6e12}
.index-search svg{width:19px;height:19px;fill:none;stroke:var(--sub);stroke-width:1.5;flex-shrink:0}
#product-search{width:100%;min-width:0;min-height:46px;border:0;outline:none;background:none;font:inherit;font-size:14px;color:var(--ink);appearance:none}
#product-search::placeholder{color:#8490a1}
#product-group{max-width:230px;min-width:150px;min-height:46px;font:inherit;font-size:13px;color:var(--brand);border:1px solid var(--line);border-radius:3px;background:#fff;padding:0 32px 0 12px}
.index-summary{display:flex;justify-content:space-between;gap:12px;padding:13px 27px;color:var(--sub);font-size:11px;flex:0 0 auto}
#product-index-list{overflow-y:auto;overscroll-behavior:contain;min-height:0;padding:2px 26px calc(24px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch;flex:1}
.product-index-group{margin:0 0 26px}
.product-index-group h3{font-size:12px;font-weight:500;color:var(--sub);margin:0 0 10px;padding:2px 0 8px;letter-spacing:.03em}
.product-index-rows{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:28px}
.product-index-item{width:100%;border:0;border-bottom:1px solid var(--line);background:none;min-height:64px;display:flex;gap:16px;align-items:center;justify-content:space-between;padding:12px 10px;color:var(--ink);text-align:left;font:inherit;cursor:pointer;transition:background .2s,color .2s}
.product-index-item:hover,.product-index-item.is-current{background:#eaf0f8;color:var(--brand)}
.index-item-copy{display:grid;gap:5px;min-width:0}
.index-item-title{font-size:14px;line-height:1.55;overflow-wrap:anywhere}
.index-item-models{font-size:10px;line-height:1.4;letter-spacing:.02em;color:var(--sub);overflow-wrap:anywhere}
.index-item-page{display:flex;align-items:baseline;gap:5px;color:var(--brand);font-variant-numeric:tabular-nums;flex-shrink:0}
.index-item-page small{font-size:9px;color:var(--sub)}
.index-item-page>span{font-size:18px;font-weight:400}
.index-loading,.index-empty{padding:24px 4px;color:var(--sub);font-size:14px;text-align:center;line-height:1.8}
.index-reset{min-height:44px;border:1px solid var(--line);border-radius:3px;background:#fff;color:var(--brand);font:inherit;font-size:13px;padding:10px 20px;cursor:pointer;margin:0 auto;display:block}
.index-empty .index-reset{margin-top:18px}
#thumbs{min-height:0;flex:1}
.slide .pg{position:relative}
.page-hotspot{position:absolute;z-index:2;background:#223e6e04;border:0;border-bottom:1px solid #223e6e45;border-radius:0;padding:0;cursor:pointer;transition:background .2s,box-shadow .2s}
.page-hotspot:hover{background:#223e6e15;box-shadow:inset 0 0 0 1px #223e6e50}
.page-hotspot:focus-visible,.directory-tabs button:focus-visible,.product-index-item:focus-visible,.index-reset:focus-visible,#product-group:focus-visible{outline:2px solid #597eaf;outline-offset:-2px}
@media(max-width:700px){#drawer{left:8px;right:8px;height:82dvh;max-height:88%;border-radius:8px 8px 0 0}.dh{padding:18px 18px 14px}.directory-tabs{padding:0 18px;gap:24px}.index-filters{padding:15px 16px 0;gap:8px;flex-wrap:wrap}.index-search{flex-basis:100%}#product-search{font-size:16px}#product-group{max-width:100%;width:100%;min-height:40px;font-size:13px}.index-summary{padding:10px 18px}#product-index-list{padding:2px 16px calc(20px + env(safe-area-inset-bottom))}.product-index-rows{grid-template-columns:1fr}.product-index-item{min-height:60px;padding:12px 6px;gap:10px}.product-index-group{margin-bottom:22px}.footer-brand .brand-slogan{font-size:14px;letter-spacing:.015em;margin-top:15px}}
@media(max-height:500px){#drawer{height:94dvh;max-height:94%}.dh{padding:10px 18px}.dh .eyebrow{display:none}.directory-tabs button{min-height:40px}.index-filters{flex-wrap:nowrap;padding-top:10px}.index-search{flex-basis:auto}#product-group{width:38%;min-width:0}.index-summary{padding-top:8px;padding-bottom:8px}}
@media(prefers-reduced-motion:reduce){.product-index-item,.page-hotspot{transition:none}}