@charset "UTF-8";
:root{--ink:#142030;--muted:#586577;--line:#dce2e9;--blue:#173edb;--blue-dark:#1233b4;--paper:#fff;--surface:#f3f6fa;--serif:"Songti SC","Noto Serif CJK SC","Source Han Serif SC","STSong","SimSun",serif;--sans:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:2rem;font-size:16px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;color:inherit}img{display:block;max-width:100%}h1,h2,h3,p,figure{margin:0}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:3px solid var(--blue);outline-offset:5px}::selection{background:#cfd8ff;color:#07185d}[hidden]{display:none!important}.wrap{width:min(1280px,calc(100% - 112px));margin-inline:auto}.eyebrow{font-size:.75rem;letter-spacing:.14em;line-height:1.5;font-weight:700;color:var(--blue)}.skip{position:fixed;top:10px;left:10px;z-index:20;background:var(--ink);color:white;padding:12px 18px;transform:translateY(-170%)}.skip:focus{transform:none}.sr-only{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden;white-space:nowrap}.site-header{padding-block:28px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:28px}.brand{display:flex;align-items:center;gap:17px;flex-shrink:0}.brand-cn{font-family:var(--serif);font-weight:700;font-size:2rem;line-height:1.3;letter-spacing:.04em;display:flex;align-items:flex-start;gap:7px}.brand-square{display:block;width:7px;height:7px;background:var(--blue);margin-top:5px}.brand-en{font-size:.75rem;line-height:1.5;letter-spacing:.09em;max-width:99px;font-weight:600}.site-header nav{display:flex;align-items:center;gap:30px;font-size:.875rem}.site-header nav a:hover,.footer-links a:hover{color:var(--blue)}.personal-link{border-left:1px solid var(--line);padding-left:30px}.cover{display:grid;grid-template-columns:1fr 1.03fr;gap:7%;padding-block:66px 76px;align-items:stretch}.cover-copy{display:flex;flex-direction:column;align-items:flex-start;padding-top:14px}.cover h1{font-family:var(--serif);font-size:clamp(2.8rem,4.9vw,4.65rem);line-height:1.34;font-weight:600;letter-spacing:.015em;margin:27px 0 25px}.cover h1 span{color:var(--blue)}.cover-intro{font-size:1rem;color:var(--muted);max-width:390px;line-height:2}.text-link{display:inline-flex;align-items:center;gap:24px;font-size:.875rem;font-weight:600;border:0;background:transparent;padding:0}.text-link:hover{color:var(--blue)}.text-link span{font-family:var(--sans);font-size:1.25rem;transition:transform .2s}.text-link:hover span{transform:translate(2px,1px)}.cover-copy>.text-link{margin:29px 0 40px;padding-bottom:7px;border-bottom:1px solid var(--blue);color:var(--blue)}.cover-meta{margin-top:auto;width:100%;display:flex;gap:15px;justify-content:space-between;color:var(--muted);font-size:.75rem;padding-top:21px;border-top:1px solid var(--line);letter-spacing:.04em}.cover-photo{position:relative;min-height:420px;align-self:stretch;display:flex;flex-direction:column;background:#eef3f8;overflow:hidden}.cover-photo img{width:100%;flex:1;height:calc(100% - 50px);min-height:350px;object-fit:cover;object-position:center}.cover-photo figcaption{padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:15px;background:var(--blue);color:white;font-size:.75rem;line-height:1.5}.photo-credit{font-size:.75rem;text-align:right;color:#e1e8ff}.photo-credit a{text-decoration:underline;text-underline-offset:3px}.notebook{border-top:2px solid var(--ink);padding-top:35px;padding-bottom:76px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:22px}.section-heading h2{font-family:var(--serif);font-size:clamp(1.7rem,2.6vw,2.2rem);font-weight:600;line-height:1.5;margin-top:8px}.small-period{color:var(--blue)}.section-number{font-size:.875rem;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.04em}.editor-note{color:var(--muted);font-size:.875rem;margin-top:16px}.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-top:27px;padding-bottom:20px;border-bottom:1px solid var(--line)}.filter-bar button{display:flex;align-items:center;gap:15px;border:1px solid transparent;background:transparent;padding:8px 15px;font-size:.875rem;line-height:1.6;border-radius:2px;min-height:42px}.filter-bar button span{font-size:.75rem;opacity:.68;font-variant-numeric:tabular-nums}.filter-bar button[aria-pressed="true"]{color:white;background:var(--blue)}.filter-bar button:hover:not([aria-pressed="true"]){background:var(--surface);border-color:var(--line)}.note-item{border-bottom:1px solid var(--line)}.note-link{display:grid;grid-template-columns:55px 150px 1fr 44px;align-items:start;gap:20px;padding:29px 6px;transition:background .2s}.note-link:hover{background:#f7f9fe}.note-index{font-size:.75rem;color:var(--muted);font-variant-numeric:tabular-nums;padding-top:7px}.note-category{font-size:.875rem;color:var(--blue);padding-top:5px}.note-category small{display:block;font-size:.75rem;color:var(--muted);letter-spacing:.04em;margin-top:3px}.note-item h3{font-size:1.25rem;font-weight:600;line-height:1.65;letter-spacing:.01em;margin-bottom:9px}.note-item p{font-size:1rem;color:var(--muted);max-width:680px;line-height:1.9}.note-arrow{border:1px solid var(--line);width:38px;height:38px;display:grid;place-items:center;font-size:1.2rem;margin-top:4px;border-radius:50%;transition:background .2s,color .2s,border-color .2s}.note-link:hover .note-arrow{background:var(--blue);border-color:var(--blue);color:white}.empty-state{padding:55px 24px;text-align:center;border-bottom:1px solid var(--line);background:var(--surface)}.empty-state h3{font-family:var(--serif);font-size:1.65rem;margin:10px 0}.empty-state>p:not(.eyebrow){font-size:1rem;color:var(--muted)}.empty-state .text-link{margin-top:24px}.now-section{padding:42px;background:var(--surface);display:grid;grid-template-columns:1fr 1.85fr;gap:7%;margin-bottom:80px;border-top:1px solid var(--line)}.now-title h2{font-family:var(--serif);font-size:2.1rem;line-height:1.65;margin-top:17px;font-weight:600}.now-title>p:not(.eyebrow){color:var(--muted);font-size:.875rem;margin-top:18px}.now-signature{display:block;color:var(--blue);font-family:Georgia,serif;font-style:italic;font-size:2rem;margin-top:30px}.now-item{display:flex;gap:18px;border-bottom:1px solid var(--line);padding:24px 0;align-items:flex-start}.now-item:first-child{padding-top:0}.now-item:last-child{border-bottom:0;padding-bottom:0}.now-index{font-size:.75rem;color:var(--muted);margin-top:5px}.now-item>div{flex:1}.now-item h3{font-size:1rem;line-height:1.8;font-weight:600}.now-item p{font-size:1rem;color:var(--muted);line-height:1.9;margin:8px 0 12px}.now-item a{color:var(--blue);font-size:.875rem;display:inline-block;line-height:1.8;text-underline-offset:4px}.now-item a:hover{text-decoration:underline}.state{font-size:.75rem;white-space:nowrap;border:1px solid #cbd4e5;border-radius:2px;padding:2px 6px;color:#4b5c76;margin-top:4px}.about-section{display:grid;grid-template-columns:1fr 1fr;gap:12%;padding-bottom:75px}.about-section h2{font-family:var(--serif);font-size:clamp(1.8rem,2.8vw,2.4rem);font-weight:500;line-height:1.7;margin-top:16px}.about-copy p{color:var(--muted);font-size:1rem;line-height:2.05;margin-bottom:15px}.about-copy .text-link{margin-top:12px}.site-footer{border-top:2px solid var(--ink);padding-block:30px 25px}.footer-top{display:flex;align-items:center;gap:30px}.footer-logo{font-family:var(--serif);font-size:1.7rem;font-weight:600}.footer-top p{font-size:.875rem;color:var(--muted)}.footer-links{display:flex;flex-wrap:wrap;gap:13px 27px;padding-block:24px;font-size:.875rem}.footer-bottom{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding-top:20px;font-size:.75rem;color:var(--muted)}.reader-view{padding-block:43px 80px;max-width:1000px}.reader-back{margin-bottom:44px;color:var(--muted)}.reader-header{padding-bottom:35px;border-bottom:1px solid var(--line)}.reader-header h1{font-family:var(--serif);font-size:clamp(2rem,4vw,3.3rem);font-weight:600;line-height:1.55;margin:20px 0;letter-spacing:.015em;max-width:850px}.reader-meta{font-size:.875rem;color:var(--muted);display:flex;gap:16px;flex-wrap:wrap}.reader-body{max-width:700px;margin:35px auto 0;font-size:1.0625rem;line-height:2.1}.reader-body p{margin:0 0 24px}.reader-body h2{font-size:1.35rem;margin:34px 0 14px;font-weight:600;line-height:1.75}.reader-body ul{padding-left:1.3em;margin:0 0 24px}.reader-body li{padding-left:.3em;margin-bottom:10px}.reader-body blockquote{font-family:var(--serif);font-size:1.45rem;line-height:1.8;border-left:3px solid var(--blue);color:var(--blue);margin:28px 0;padding:4px 0 4px 25px}.reader-body a{color:var(--blue);text-decoration:underline;text-underline-offset:4px}.draft-note{font-size:.875rem;line-height:1.9;background:var(--surface);padding:20px 24px;color:var(--muted);margin-top:35px}.reader-bottom{max-width:700px;display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:25px;margin:40px auto 0;font-size:.875rem}.reader-bottom a:hover{color:var(--blue)}
@media(min-width:1550px){.wrap{width:min(1380px,calc(100% - 150px))}.cover{gap:8%;padding-top:80px}.cover-photo{min-height:470px}.cover h1{font-size:5rem}.reader-view{max-width:1000px}}
@media(max-width:1100px){.wrap{width:calc(100% - 72px)}.cover{gap:5%;padding-block:48px 60px}.cover h1{font-size:3.35rem}.cover-photo{min-height:420px}.note-link{grid-template-columns:38px 95px 1fr 38px;gap:16px}.now-section{padding:30px;grid-template-columns:1fr 1.65fr;gap:4%}.now-title h2{font-size:1.8rem}.now-item{gap:12px}.state{display:none}.site-header nav{gap:22px}.personal-link{padding-left:22px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.site-header{padding-block:20px;align-items:flex-start;gap:16px;flex-wrap:wrap}.brand-cn{font-size:1.8rem}.brand-en{font-size:.75rem;max-width:100px}.site-header nav{gap:22px;flex:1;justify-content:flex-end;padding-top:5px}.personal-link{display:none}.cover{grid-template-columns:1fr;gap:30px;padding-block:36px 45px}.cover-copy{padding-top:0}.cover h1{font-size:clamp(2.9rem,8.6vw,4.2rem);margin-top:20px;margin-bottom:20px}.cover-intro{max-width:100%;line-height:1.95}.cover-copy>.text-link{margin-bottom:25px;margin-top:22px}.cover-meta{padding-top:16px;font-size:.75rem}.cover-photo{min-height:0;aspect-ratio:auto}.cover-photo img{height:auto;aspect-ratio:1.6;min-height:0;flex:none}.cover-photo figcaption{padding:12px 14px}.notebook{padding-top:28px;padding-bottom:48px}.section-number{display:none}.section-heading h2{font-size:1.8rem}.editor-note{font-size:.875rem;line-height:1.9}.filter-bar{gap:4px;margin-top:20px;padding-bottom:16px}.filter-bar button{padding:7px 12px;gap:10px}.note-link{grid-template-columns:1fr 35px;gap:8px 14px;padding:24px 0}.note-index{display:none}.note-category{grid-column:1;display:flex;align-items:center;gap:12px;padding-top:0}.note-category small{margin-top:0}.note-copy{grid-column:1;grid-row:2}.note-arrow{grid-column:2;grid-row:2;width:32px;height:32px;margin-top:4px}.note-item h3{font-size:1.125rem;line-height:1.8}.note-item p{font-size:1rem;line-height:1.95}.now-section{padding:26px 22px;grid-template-columns:1fr;gap:29px;margin-bottom:47px}.now-title h2{font-size:1.8rem;margin-top:12px}.now-title h2 br{display:none}.now-title>p:not(.eyebrow){margin-top:10px}.now-signature{display:none}.now-item h3{font-size:1rem}.now-item p{font-size:.9375rem}.about-section{grid-template-columns:1fr;gap:24px;padding-bottom:45px}.about-section h2{font-size:1.8rem;margin-top:12px}.about-copy p{font-size:1rem}.footer-top{gap:10px 25px;flex-wrap:wrap}.footer-logo{font-size:1.5rem}.footer-links{gap:14px 20px}.footer-bottom{flex-direction:column;gap:6px}.reader-view{padding-top:30px;padding-bottom:50px}.reader-back{margin-bottom:32px}.reader-header{padding-bottom:24px}.reader-header h1{font-size:2.2rem}.reader-body{font-size:1rem;line-height:2.05;margin-top:25px}.reader-body h2{font-size:1.25rem}.reader-body blockquote{font-size:1.3rem;padding-left:18px}.draft-note{padding:17px 18px}}
@media(max-width:380px){.brand-en{display:none}.site-header nav{gap:20px}.cover h1{font-size:2.75rem}.cover-meta{letter-spacing:0}.filter-bar button{padding:7px 10px}.section-heading h2{font-size:1.6rem}.cover-photo figcaption{gap:10px;flex-wrap:wrap}.reader-header h1{font-size:1.9rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}