:root{--paper:#fff;--ink:#202824;--muted:#666;--line:#dededa;--accent:#b64a27;--soft:#faf1ec;--header:112px;--chapter:88px;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 24px)}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button{color:inherit}img{display:block;max-width:100%;height:auto}p{line-height:1.8}p[lang=en],p>span[lang=en]{color:var(--muted)}[hidden]{display:none!important}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}::selection{background:#f4dace}.wrap{width:min(1280px,calc(100% - 112px));margin-inline:auto}.skip{position:fixed;left:18px;top:-100px;padding:15px;background:white;z-index:100}.skip:focus{top:12px}.header-shell{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.masthead{display:grid;grid-template-columns:1fr auto;align-items:center;gap:4px 28px;padding-top:20px}.wordmark{font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:28px;font-weight:600;white-space:nowrap;letter-spacing:.015em}.wordmark span{display:block;font:10px/2.2 Arial,sans-serif;letter-spacing:2.8px}.masthead nav{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.masthead nav>a{display:flex;justify-content:center;align-items:center;gap:9px;min-height:54px;border-bottom:2px solid transparent;font-size:13px}.masthead nav>a:hover,.masthead nav>a[aria-current]{border-bottom-color:var(--accent);color:var(--accent)}.masthead nav>a>span{font:10px monospace;color:var(--muted)}.masthead nav small{font-size:11px;font-weight:400;color:var(--muted)}.header-cta{grid-column:2;grid-row:1;font-size:12px;color:var(--accent);border-bottom:1px solid var(--accent);padding:10px 0}.header-cta span{margin-left:12px}.film-section{padding-top:36px;padding-bottom:36px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:25px}.eyebrow{font-size:10px;line-height:1.8;font-weight:600;letter-spacing:1.7px;color:var(--accent);margin:0 0 15px}h1{font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:clamp(27px,2.8vw,39px);font-weight:600;line-height:1.45;letter-spacing:-.02em;margin:0}h2,h3,p{margin-top:0}.title-en{font-size:16px;line-height:1.7;color:var(--muted);margin:10px 0 0}.edition{flex-shrink:0;font-size:11px;color:var(--muted);margin:0 0 5px}.edition span{font-size:10px}.video-shell{background:#151515}.video-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 22px;color:white;background:#202220;font-size:11px}.video-toolbar p{margin:0}.video-toolbar>span{font-size:10px;color:#ddd}.video-toolbar p>span[lang=en]{color:#eee}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#de8056;margin-right:9px}video{display:block;width:100%;height:auto;aspect-ratio:13/6;max-height:72vh;object-fit:contain;background:#151515}.media-caption{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;font-size:11px;color:var(--muted);padding-top:12px}.media-caption p{margin:0}.media-caption p span{display:block}.media-caption>a{white-space:nowrap;padding:3px 0;border-bottom:1px solid var(--line)}.notice{padding:16px;border-left:3px solid var(--accent);background:var(--soft);font-size:13px}.section-label{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}.section-label h2{font-size:20px;margin:0;font-weight:500}.section-label h2 span{font-size:13px;color:var(--muted);margin-left:12px}.section-label>span{font-size:10px;color:var(--muted);letter-spacing:1px}.play-section{padding-block:22px 60px;border-bottom:1px solid var(--line)}.play-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.play-card{padding:30px 34px;background:#f7f7f4;border:1px solid var(--line);display:flex;flex-direction:column}.ios-card{background:var(--soft);border-color:#eadbd2}.play-card h3{font-size:27px;font-family:"Songti SC","Noto Serif CJK SC",serif;line-height:1.45;margin-bottom:20px}.play-card h3 span{font-family:Arial,sans-serif;font-size:15px;font-weight:400;display:block;margin-top:8px;color:var(--muted)}.play-card p:not(.eyebrow){font-size:13px;line-height:1.9;margin-bottom:16px}.play-card p[lang=en]{font-size:12px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 22px;min-height:52px;background:transparent;color:var(--ink);border:1px solid var(--ink);font-size:13px;line-height:1.5;transition:background .15s}.button>span{font-size:12px}.button:hover{background:#efe8e3}.button.dark{background:var(--ink);color:white}.button.dark:hover{background:#3b453e}.play-card 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.button{width:100%;margin-bottom:14px}.download-link{font-size:12px;display:block;text-decoration:underline;text-underline-offset:4px;color:var(--muted);padding-block:8px}.doc-note{padding-bottom:30px;color:var(--muted);font-size:11px}.doc-note span{display:block}.doc-note p{margin-bottom:0}.chapter-bar{position:sticky;top:var(--header);z-index:15;background:rgba(255,255,255,.98);border-block:1px solid var(--line)}.chapter-inner{display:flex;align-items:center;gap:25px;min-height:80px}.chapter-inner nav{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;flex:1}.chapter-inner nav a{font-size:12px;line-height:1.6;padding-block:14px;display:block}.chapter-inner nav a span{font-size:10px;color:var(--accent);margin-right:5px}.chapter-inner nav a small{display:block;font-size:10px;color:var(--muted);margin-top:2px}.chapter-inner nav a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}.back-top{font-size:11px;white-space:nowrap;color:var(--accent)}.doc-chapter{padding-top:45px;scroll-margin-top:calc(var(--header) + var(--chapter) + 20px)}.chapter-title{display:flex;gap:22px;align-items:center;margin-bottom:25px}.chapter-title>span{font-size:32px;font-weight:300;color:var(--accent)}.chapter-title h3{font-size:23px;font-weight:500;margin:0;line-height:1.5}.chapter-title h3 small{display:block;font-size:12px;color:var(--muted);font-weight:400}.doc-page{margin:0 0 32px;border:1px solid var(--line);scroll-margin-top:calc(var(--header) + var(--chapter) + 20px)}.page-image{display:block;cursor:zoom-in;background:#f9f9f7}.doc-page img{width:100%;aspect-ratio:3/2;object-fit:contain}.doc-page figcaption{display:flex;align-items:center;gap:20px;padding:16px 20px;border-top:1px solid var(--line)}.page-number{font-size:11px;font-variant-numeric:tabular-nums;color:var(--accent);white-space:nowrap}.page-title{flex:1;font-size:13px;line-height:1.65}.page-title small{display:block;font-size:11px;color:var(--muted)}.page-zoom{background:none;border:0;font-size:12px;padding:10px 0;white-space:nowrap}.page-zoom span{display:block;font-size:10px;color:var(--muted)}.closing{text-align:center;border-top:1px solid var(--line);padding-block:75px 65px}.closing h2{font:500 clamp(25px,3vw,39px)/1.6 "Songti SC",serif;margin-bottom:10px}.closing>p[lang=en]{font-size:15px}.closing>div{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin-top:28px}.closing .button{min-width:235px}.footer{display:flex;align-items:center;justify-content:space-between;gap:28px;padding-block:30px;border-top:1px solid var(--line)}.footer .wordmark{font-size:22px}.footer .wordmark span{font-size:8px}.footer p{font-size:11px;margin:0;color:var(--muted)}.footer p span{display:block}.footer>a:last-child{font-size:11px;color:var(--muted)}dialog{padding:0;border:1px solid var(--line);background:white;color:var(--ink);width:min(1480px,96vw);max-width:96vw;max-height:96dvh;box-shadow:0 20px 100px #0004}dialog::backdrop{background:#152018c9;backdrop-filter:blur(4px)}.reader-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 22px;border-bottom:1px solid var(--line)}.reader-head h2{font-size:17px;font-weight:500;margin:0;line-height:1.7}.reader-head button,.reader-tools button{border:1px solid var(--line);background:white;padding:10px 12px;font-size:12px;min-height:40px}.reader-tools{display:flex;align-items:center;gap:16px;padding:12px 22px;font-size:12px;flex-wrap:wrap}.reader-tools button:disabled{opacity:.4;cursor:not-allowed}.reader-tools label{margin-left:auto}.reader-tools input{width:115px;accent-color:var(--accent)}.reader-tools>a{font-size:11px;text-decoration:underline;text-underline-offset:4px}#reader-count{font-variant-numeric:tabular-nums;color:var(--accent)}#reader-viewport{overflow:auto;max-height:70dvh;min-height:150px;overscroll-behavior:contain;background:#eeeeeb}#reader-image{max-width:none;width:100%;height:auto}.reader-tip{font-size:11px;padding:10px 22px;margin:0;color:var(--muted)}.reader-tip span{margin-left:8px}body:has(dialog[open]){overflow:hidden}
@media(min-width:1600px){.wrap{width:min(1360px,calc(100% - 140px))}}
@media(max-width:1000px){.wrap{width:calc(100% - 56px)}.masthead nav{gap:10px}.section-head{display:block}.edition{margin-top:16px}.edition br{display:none}.edition span{margin-left:12px}.about-intro{gap:38px}.doc-intro{gap:36px}.play-card{padding:25px}.chapter-inner{gap:12px}.chapter-inner nav{gap:12px}.back-top{display:none}.video-toolbar>span>span{display:none}}
@media(max-width:650px){:root{--header:130px;--chapter:80px}.wrap{width:calc(100% - 32px)}.masthead{padding-top:14px;gap:5px 10px}.wordmark{font-size:24px}.wordmark span{font-size:8px;letter-spacing:2.3px}.header-cta{font-size:11px;line-height:1.6;padding:7px 0}.header-cta span{display:block;margin:0;font-size:10px}.masthead nav{gap:4px}.masthead nav>a{position:relative;display:block;min-height:58px;padding:10px 2px 8px;text-align:center;font-size:11px}.masthead nav>a>span{display:none}.masthead nav small{display:block;font-size:10px;margin-top:5px}.film-section{padding-top:25px;padding-bottom:25px}.eyebrow{font-size:8px;letter-spacing:1.2px;margin-bottom:12px}h1{font-size:26px;line-height:1.5}.title-en{font-size:13px}.edition{font-size:10px;margin-top:15px}.edition span{display:block;margin:2px 0 0;font-size:10px}.section-head{margin-bottom:20px}.video-toolbar{padding:12px;font-size:9px;align-items:flex-start;gap:5px;flex-direction:column}.video-toolbar>span{font-size:9px}video{max-height:none}.media-caption{flex-direction:column;gap:8px;font-size:10px}.section-label{align-items:flex-start;gap:10px}.section-label h2{font-size:19px}.section-label h2 span{display:block;margin:6px 0 0;font-size:12px}.section-label>span{font-size:9px;padding-top:4px}.play-section{padding-bottom:38px}.play-grid{grid-template-columns:1fr;gap:16px}.play-card{padding:24px}.play-card h3{font-size:25px;margin-bottom:16px}.play-card h3 span{font-size:14px}.play-card p:not(.eyebrow){font-size:12px}.play-card p[lang=en]{font-size:12px}.button{font-size:12px;padding:14px 18px;gap:14px}.button>span{font-size:11px}.about-section{padding-block:38px}.about-intro{grid-template-columns:1fr;gap:26px;margin-bottom:22px}.about-intro h2,.doc-intro h2{font-size:38px}.intro-copy p{font-size:13px}.intro-copy p[lang=en]{font-size:12px}summary{grid-template-columns:28px 1fr 18px;gap:10px;font-size:16px;padding-block:20px}summary small{font-size:12px}.feature-number{font-size:10px;margin-top:7px}.feature-body{grid-template-columns:1fr;gap:0;padding:0 0 12px 38px}.feature-body p{font-size:12px}.doc-intro{grid-template-columns:1fr;gap:26px;padding-block:38px 24px}.doc-summary{border-left:0;border-top:1px solid var(--line);padding:24px 0 0}.doc-summary>strong{font-size:58px}.doc-intro>div>p:not(.eyebrow):not(.title-en){font-size:12px;margin-top:18px}.doc-note{font-size:10px;padding-bottom:24px}.chapter-inner{width:100%;padding-inline:16px;min-height:74px;overflow-x:auto}.chapter-inner nav{display:flex;min-width:555px;gap:22px;flex:none}.chapter-inner nav>a{font-size:11px;min-width:87px}.chapter-inner nav a small{font-size:9px}.doc-chapter{padding-top:30px}.chapter-title{gap:15px;margin-bottom:20px}.chapter-title>span{font-size:27px}.chapter-title h3{font-size:20px}.chapter-title h3 small{font-size:11px}.doc-page{margin-bottom:20px}.doc-page figcaption{padding:10px 12px;gap:10px;flex-wrap:wrap}.page-number{font-size:10px}.page-title{font-size:12px;min-width:170px}.page-title small{font-size:10px}.page-zoom{font-size:10px;margin-left:auto;padding:5px 0}.page-zoom span{font-size:9px}.closing{padding-block:45px}.closing>p[lang=en]{font-size:12px}.closing>div{gap:12px}.closing .button{width:100%}.footer{flex-wrap:wrap;gap:18px;padding-block:24px}.footer .wordmark{font-size:21px}.footer p{font-size:10px}.footer>a:last-child{width:100%;text-align:right;font-size:10px}.reader-head{padding:12px;gap:12px}.reader-head h2{font-size:13px}.reader-head button{font-size:11px;padding:8px;white-space:nowrap}.reader-tools{padding:10px 12px;gap:8px;font-size:11px}.reader-tools button{font-size:11px;padding:6px}.reader-tools button span{display:none}.reader-tools label{margin-left:auto;font-size:10px}.reader-tools input{width:90px}.reader-tools>a{width:100%;font-size:10px}.reader-tip{font-size:10px;padding:10px 12px}.reader-tip span{display:block;margin:0}#reader-viewport{max-height:64dvh}}
/* The document root already reserves the header; only add the chapter bar here. */
.doc-chapter,.doc-page{scroll-margin-top:calc(var(--chapter) + 12px)}
#reader-viewport:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}