:root{color-scheme:light;--paper:#f7f8fa;--ink:#283850;--muted:#637085;--accent:#365bdb;--line:#dce1e8;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:2rem}
body{margin:0;font-size:1rem;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:2px solid var(--accent);outline-offset:7px;border-radius:2px}
.page{width:min(1120px,calc(100% - 112px));margin:auto}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px 0;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:13px;font-size:1.125rem;font-weight:650;letter-spacing:.07em}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--ink);border-radius:50%;font-family:"Songti SC",SimSun,serif;font-size:1.3rem;font-weight:400}
.header-link{font-size:.875rem;display:flex;gap:15px;align-items:center}
.header-link:hover,.site-footer a:hover{color:var(--accent)}
.welcome{position:relative;padding:78px 0 68px}
.eyebrow{margin:0 0 28px;font-size:.75rem;line-height:1.7;letter-spacing:.18em;color:var(--muted)}
h1{margin:0;font-family:"Songti SC","STSong","Noto Serif CJK SC",SimSun,serif;font-size:clamp(3.25rem,6.2vw,5.125rem);font-weight:500;letter-spacing:.06em;line-height:1.32}
.title-period{color:var(--accent)}
.intro{margin:29px 0 0;color:var(--muted);line-height:1.95;font-size:1rem}
.visit-link{display:inline-flex;gap:44px;align-items:center;margin-top:31px;padding:10px 0;border-bottom:1px solid var(--ink);font-size:.875rem}
.visit-link:hover{color:var(--accent);border-color:var(--accent)}
.side-note{position:absolute;right:0;top:86px;writing-mode:vertical-rl;letter-spacing:.2em;font-size:.75rem;color:var(--muted)}
.about{border-top:1px solid var(--line);padding:35px 0 45px;display:grid;grid-template-columns:1fr 1.7fr .7fr;gap:28px}
.section-label{display:flex;align-items:baseline;gap:14px}
.section-number{font-size:.75rem;color:var(--muted)}
h2{font-size:.9375rem;margin:0;font-weight:600;line-height:1.8}
.about-copy p{font-size:.9375rem;line-height:1.95;margin:0 0 9px}
.about-copy p+p{color:var(--muted);margin-bottom:0}
.welcome-note{font-family:"Songti SC",SimSun,serif;font-size:1.125rem;line-height:1.9;margin:0;text-align:right;letter-spacing:.08em}
.site-footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;padding:24px 0 30px;font-size:.75rem;line-height:1.8;color:var(--muted)}
.site-footer p{margin:0}.footer-separator{margin:0 12px;color:#a7afbc}
.skip-link{position:absolute;left:12px;top:-80px;background:var(--ink);color:white;padding:12px 18px;z-index:2}
.skip-link:focus{top:12px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1600px){.welcome{padding-top:104px;padding-bottom:88px}}
@media(max-width:760px){.page{width:calc(100% - 48px)}.site-header{padding:24px 0}.brand{font-size:1rem}.brand-mark{width:34px;height:34px}.welcome{padding:60px 0 52px}.eyebrow{font-size:.75rem;letter-spacing:.1em;margin-bottom:25px}.side-note{display:none}.intro{margin-top:25px}.about{grid-template-columns:1fr;gap:20px;padding:29px 0 34px}.welcome-note{text-align:left;font-size:1rem}.welcome-note br{display:none}.site-footer{flex-direction:column;gap:7px;padding:21px 0 25px}.visit-link{margin-top:25px}}
@media(max-width:380px){.page{width:calc(100% - 36px)}h1{font-size:2.85rem}.header-link{gap:8px}.eyebrow{letter-spacing:.04em}.desktop-break{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}