:root{--paper:#f5f3ed;--ink:#252724;--muted:#686d63;--line:#d5d6cc;--accent:#617146;--soft:#eaece2;--pad:clamp(24px,6vw,100px);color-scheme:light}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:2px solid var(--accent);outline-offset:6px}
::selection{background:#d5dfbe;color:#20251b}
.skip-link{position:fixed;left:20px;top:-80px;z-index:10;padding:14px 20px;background:var(--ink);color:white}
.skip-link:focus{top:12px}
.site-header{padding:20px var(--pad);display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:5}
.wordmark{font-family:Georgia,"Times New Roman",serif;font-size:34px;line-height:1;letter-spacing:-3px}
.mark-dot{color:var(--accent);padding:0 3px}
nav{display:flex;gap:clamp(20px,3.7vw,54px);align-items:center;font-size:13px}
nav a{padding:8px 0;transition:color .2s}
nav a:hover{color:var(--accent)}
nav a:last-child{margin-left:16px}
.hero{padding:48px var(--pad) 0}
.hero-meta,.eyebrow,.section-number,.collection-status,.field-line,.edition,.index-number{font-size:10px;letter-spacing:.14em;font-weight:400}
.hero-meta{display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:11px;letter-spacing:.1em}
.hero h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-.065em;font-size:clamp(70px,13.6vw,218px);line-height:.9;margin:64px 0 42px}
.hero h1>span{display:block}
.title-second{padding-left:28%;margin-top:2px}
.title-period{color:var(--accent)}
.hero-bottom{display:flex;justify-content:space-between;align-items:flex-start;gap:32px;margin-bottom:70px}
.hero-chinese{font-family:"Songti SC",SimSun,serif;font-size:clamp(24px,2.2vw,34px);margin:0;letter-spacing:.18em;font-weight:400}
.hero-description{min-width:35%;font-size:14px;line-height:1.8}
.hero-description p{margin:0 0 24px}
.text-link{display:inline-flex;align-items:center;gap:48px;border-bottom:1px solid var(--ink);padding-bottom:8px;font-size:12px}
.text-link span{font-size:19px}
.text-link:hover{color:var(--accent);border-color:var(--accent)}
.field-line{display:flex;gap:22px;align-items:center;padding:22px 0;border-top:1px solid var(--line);color:var(--muted)}
.field-line i{height:1px;background:var(--line);flex:1}
.fields{padding:82px var(--pad) 96px}
.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:36px}
.section-heading h2{font-size:16px;font-weight:400;margin:0;letter-spacing:.06em}
.eyebrow{color:var(--muted)}
.field-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--ink);border-bottom:1px solid var(--line)}
.field-index a{display:flex;gap:20px;padding:28px 22px 32px 0;transition:background .2s}
.field-index a+a{border-left:1px solid var(--line);padding-left:28px}
.index-number{color:var(--muted);padding-top:6px}
.field-index a>span:nth-child(2){font-family:"Songti SC",SimSun,serif;font-size:clamp(19px,2vw,28px);line-height:1.4}
.field-index small{display:block;font-family:Georgia,serif;font-size:15px;font-style:italic;color:var(--muted);margin-top:12px}
.index-arrow{font-size:20px;margin-left:auto;align-self:center;color:var(--accent);transition:transform .2s}
.field-index a:hover .index-arrow{transform:translate(3px,-3px)}
.collection{margin:0 var(--pad);padding:60px 0 76px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.7fr;gap:56px}
.section-number{color:var(--muted)}
.collection-heading h2{font-family:"Songti SC",SimSun,serif;font-weight:400;font-size:clamp(29px,3vw,46px);letter-spacing:.04em;margin:22px 0 18px}
.collection-heading p{font-size:13px;line-height:1.8;color:var(--muted);margin:0}
.empty-collection{background:var(--soft);border:1px solid #e0e3d7;min-height:285px;padding:40px 36px 26px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.empty-symbol{color:#7a8468;height:66px;display:flex;align-items:center;justify-content:center;margin-bottom:24px}
.visual-symbol{width:54px;height:54px;border:1px solid #929c83;position:relative;margin-top:6px;margin-bottom:30px}
.visual-symbol span{width:54px;height:54px;border:1px solid #929c83;position:absolute;transform:translate(9px,-9px)}
.text-symbol{font-family:"Songti SC",SimSun,serif;font-size:54px;font-weight:400}
.sound-symbol{gap:5px}
.sound-symbol i{width:2px;height:18px;background:#929c83}
.sound-symbol i:nth-child(2),.sound-symbol i:nth-child(6){height:34px}
.sound-symbol i:nth-child(3),.sound-symbol i:nth-child(5){height:48px}
.sound-symbol i:nth-child(4){height:60px}
.empty-collection h3{font-size:15px;font-weight:400;letter-spacing:.1em;margin:0 0 11px}
.empty-collection p{font-size:12px;line-height:1.8;color:var(--muted);margin:0}
.collection-status{font-size:8px;letter-spacing:.2em;color:var(--muted);margin-top:28px}
.about{padding:76px var(--pad) 90px;background:#e7e9de;display:grid;grid-template-columns:1fr 1.1fr;gap:65px;border-top:1px solid var(--line)}
.about h2{font-family:"Songti SC",SimSun,serif;font-size:clamp(28px,3.2vw,46px);font-weight:400;line-height:1.4;margin:25px 0 0}
.about-copy{padding-top:28px;max-width:440px}
.about-copy p{font-size:15px;line-height:2;margin:0 0 20px}
.about-copy p.quiet{color:var(--muted);font-size:12px;margin:32px 0 0}
.site-footer{padding:40px var(--pad) 28px;display:grid;grid-template-columns:1fr auto;gap:32px}
.footer-brand{font-family:Georgia,serif;font-size:22px;letter-spacing:-.03em}
.footer-brand span{display:block;font-family:Arial,"Microsoft YaHei",sans-serif;color:var(--muted);font-size:10px;letter-spacing:.13em;margin-top:12px}
.back-top{font-size:11px;align-self:start;padding:7px 0;display:flex;gap:20px}
.site-footer>p{font-size:10px;color:var(--muted);grid-column:1/-1;margin:24px 0 0}
@media(min-width:1600px){body{max-width:1920px;margin-inline:auto}.hero h1{font-size:218px}}
@media(max-width:700px){html{scroll-padding-top:92px}.site-header{padding-block:18px}.wordmark{font-size:29px}nav{gap:20px;font-size:12px}nav a:last-child{margin-left:0}.hero{padding-top:34px}.hero-meta{font-size:9px;letter-spacing:.04em}.edition{font-size:8px;letter-spacing:.03em}.hero h1{font-size:14vw;margin:70px 0 44px;letter-spacing:-.067em}.title-second{padding-left:33%;margin-top:8px}.hero-bottom{flex-direction:column;gap:28px;margin-bottom:48px}.hero-chinese{font-size:24px}.hero-description{align-self:flex-end;font-size:12px;min-width:60%}.hero-description p{margin-bottom:15px}.text-link{font-size:11px;gap:52px}.field-line{font-size:8px;gap:16px;padding-block:17px}.fields{padding-top:55px;padding-bottom:58px}.section-heading{margin-bottom:26px}.section-heading h2{font-size:14px}.eyebrow{font-size:8px}.field-index{grid-template-columns:1fr}.field-index a,.field-index a+a{border-left:0;border-top:1px solid var(--line);padding:22px 0;gap:24px}.field-index a:first-child{border-top:0}.field-index a>span:nth-child(2){font-size:23px;display:flex;align-items:center;gap:18px}.field-index small{font-size:13px;margin:0}.collection{grid-template-columns:1fr;gap:30px;padding:40px 0 50px}.collection-heading h2{font-size:30px;margin:17px 0 12px}.collection-heading p{font-size:12px}.empty-collection{min-height:265px;padding:32px 20px 23px}.about{grid-template-columns:1fr;gap:12px;padding-top:48px;padding-bottom:52px}.about h2{font-size:32px}.about-copy{padding-top:12px}.about-copy p{font-size:14px}.site-footer{padding-top:32px}.footer-brand{font-size:19px}}
@media(max-width:360px){nav{gap:14px}.hero-meta{flex-wrap:wrap}.field-index a>span:nth-child(2){font-size:20px}.footer-brand{font-size:17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}