:root{color-scheme:light;--ink:#35221c;--rose:#b9003c;--muted:#806b61;--gold:#bb834b;--paper:#fffaf3}*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-color:#b69069 #f6eadc;scroll-padding-top:30px}body{margin:0;color:var(--ink);background:radial-gradient(ellipse at 5% 10%,#f6d7bc80,transparent 40%),linear-gradient(120deg,#fcf6ee,#fffaf5 55%,#f4e4d2);font-family:"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-underline-offset:5px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid #cb164c;outline-offset:5px}button{font:inherit;cursor:pointer}.reading-skip{position:fixed;top:-100px;left:15px;z-index:99;background:#fff;padding:12px}.reading-skip:focus{top:10px}.reading-header{background:linear-gradient(100deg,#10090b,#2c1117 65%,#110a0d);border-bottom:1px solid #d6ae784d;color:#fff0d8}.reading-header-inner{max-width:1640px;min-height:116px;margin:auto;display:flex;align-items:center;gap:34px;padding:18px 4vw}.reading-logo{display:block;flex-shrink:0;width:180px;line-height:0}.reading-logo img{width:100%;height:auto}.reading-header nav{display:flex;flex:1;gap:clamp(16px,2vw,32px);align-items:center;justify-content:center;white-space:nowrap}.reading-header nav a{text-decoration:none;font-size:18px;padding:12px 0;position:relative}.reading-header nav a:after{content:"";position:absolute;left:0;right:0;bottom:3px;height:2px;background:linear-gradient(90deg,#e6b56d,#ed0045);transform:scaleX(0);transition:transform .22s}.reading-header nav a:hover:after,.reading-header nav a[aria-current]:after{transform:scaleX(1)}.reading-header nav a[aria-current]{color:#ff4778}.reading-language{border:1px solid #ffdeb0;border-radius:24px;padding:9px 16px;background:linear-gradient(#fff5db,#eab780);color:#21130c;font-size:14px;white-space:nowrap}.reading-main{width:min(1220px,92vw);margin:0 auto 90px}.reading-breadcrumbs{display:flex;gap:12px;padding:24px 0;font-size:14px;color:var(--muted)}.reading-breadcrumbs a{text-decoration:none}.reading-breadcrumbs a:hover{color:var(--rose)}.reading-layout{display:grid;grid-template-columns:minmax(0,860px) 260px;gap:45px;align-items:start}.reading-article{background:#fffaf3cf;border:1px solid #e6d1b9;border-radius:18px;padding:44px 48px;box-shadow:0 8px 35px #8b4e1910}.reading-title{border-bottom:1px solid #dcc6ac;padding-bottom:26px;margin-bottom:28px}.reading-kicker{color:var(--rose);font-size:13px;letter-spacing:.13em;margin:0 0 18px}.reading-title h1{font-family:"Songti SC","STSong","SimSun",serif;font-size:clamp(28px,3vw,42px);line-height:1.45;letter-spacing:.02em;margin:0 0 20px}.reading-description{font-size:17px;line-height:1.9;color:#715c51;max-width:860px}.reading-meta{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:#897267;margin:24px 0 0}.reading-meta a{color:#8f0033}.reading-note{background:#f7e8d9;border-left:3px solid #bc7d46;padding:16px 20px;color:#7c5944;line-height:1.8;font-size:14px}.reading-answer{padding:22px 26px;border:1px solid #e6cba7;border-radius:12px;background:linear-gradient(120deg,#fff0df,#fff8ed);margin:28px 0}.reading-answer h2{font-size:18px;margin:0 0 10px;color:#9a0034}.reading-answer p{font-size:17px;line-height:1.9;margin:0}.reading-body{font-size:18px;line-height:1.95;overflow-wrap:anywhere}.reading-body section{margin:36px 0}.reading-body h2,.reading-related h2{font-family:"Songti SC","STSong","SimSun",serif;font-size:27px;line-height:1.5;margin:0 0 18px;color:#5c1a26}.reading-body h3{font-size:19px;color:#7e1836;margin:24px 0 8px}.reading-body p{margin:0 0 18px}.reading-body ol,.reading-body ul{padding-left:1.45em}.reading-body li{padding-left:5px;margin:10px 0}.reading-body a{color:#a40039}.reading-sources{font-size:14px;color:#786356}.reading-sources h2{font-size:21px}.reading-next{background:linear-gradient(110deg,#3d101b,#650d2d);border:1px solid #e5bf85;border-radius:13px;padding:23px;color:#ffecd2;margin-top:40px}.reading-next p{font-family:"Songti SC",serif;font-size:20px;margin:0 0 18px}.reading-next a{display:inline-block;text-decoration:none;padding:9px 16px;background:#fff0d8;color:#64122d;border-radius:20px;font-size:14px;margin:0 9px 8px 0}.reading-related{border-top:1px solid #e4d0b8;margin-top:35px;padding-top:28px}.reading-related ul{list-style:none;padding:0;margin:0;line-height:1.7}.reading-related li{padding:9px 0}.reading-related a{color:#8d1536;text-decoration:none}.reading-related a:hover{text-decoration:underline}.reading-sidebar{position:sticky;top:24px;font-size:14px;line-height:1.8;color:#7f6658}.reading-sidebar nav{border:1px solid #e3cdb2;background:#fff7ed;border-radius:12px;padding:22px}.reading-sidebar nav>p{color:#8c1736;font-size:16px;font-weight:600;margin:0 0 14px}.reading-sidebar ol{padding-left:1.5em;margin:0}.reading-sidebar li{margin:9px 0}.reading-sidebar a{text-decoration:none}.reading-sidebar a:hover{color:var(--rose)}.reading-all{display:block;text-align:center;background:#eddfcc;padding:14px 12px;border-radius:9px;margin-top:20px;color:#8c1736}.reading-mobile-toc{display:none}.reading-collection{padding-top:20px}.reading-collection>.reading-title{padding-bottom:40px;margin-bottom:35px}.reading-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.reading-card{background:#fffaf3;border:1px solid #e5cdb1;border-radius:15px;padding:25px;box-shadow:0 6px 20px #cba87b12;display:flex;flex-direction:column;align-items:flex-start}.reading-card-category{font-size:12px;color:#a35a52;margin:0 0 12px}.reading-card h2{font-family:"Songti SC","STSong",serif;font-size:23px;line-height:1.5;margin:0 0 12px}.reading-card h2 a{text-decoration:none}.reading-card>p:not(.reading-card-category){line-height:1.85;font-size:15px;color:#806b5f;margin:0 0 20px}.reading-text-link{color:#ac0038;font-size:14px;margin-top:auto;text-decoration:none;border-bottom:1px solid #cc9a72;padding-bottom:4px}.reading-card:hover{border-color:#c6946c}.reading-sitemap{columns:2;padding-left:20px;line-height:2.2}.reading-sitemap li{break-inside:avoid;margin:8px 0}.reading-sitemap a{color:#91344c}.reading-footer{background:#190c10;text-align:center;color:#e8cfac;padding:38px 20px;font-size:14px;border-top:3px solid #b48a53}.reading-footer a{display:inline-block;margin:0 13px 15px;text-decoration:none}.reading-footer p{margin:0;font-size:12px;color:#a5896b}.reading-language-dialog{width:min(460px,90vw);padding:28px;border:1px solid #d1a16e;border-radius:14px;color:#501326;background:#fff4e4}.reading-language-dialog::backdrop{background:#10050dcc;backdrop-filter:blur(6px)}.reading-language-dialog h2{font-family:"Songti SC",serif;margin-top:0}.reading-language-dialog button{padding:10px 26px;border:0;border-radius:20px;background:#b4003b;color:white}
@media(max-width:1100px){.reading-header-inner{gap:20px;flex-wrap:wrap;justify-content:space-between}.reading-header nav{order:3;flex-basis:100%;justify-content:flex-start;overflow:auto;gap:28px}.reading-header nav a{font-size:16px}.reading-layout{grid-template-columns:minmax(0,1fr) 220px;gap:24px}.reading-article{padding:32px}.reading-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.reading-header-inner{padding:14px 5vw;gap:10px;min-height:100px}.reading-logo{width:145px}.reading-header nav{gap:24px}.reading-language{font-size:12px;padding:7px 12px}.reading-main{width:92vw;margin-bottom:45px}.reading-layout{display:block}.reading-article{padding:25px 20px;border-radius:12px}.reading-sidebar{display:none}.reading-mobile-toc{display:block;background:#f4e7d7;border-radius:8px;padding:14px 18px;color:#7e4f3f;font-size:14px;line-height:1.8}.reading-mobile-toc summary{cursor:pointer}.reading-mobile-toc ol{padding-left:20px}.reading-title h1{font-size:29px}.reading-description,.reading-answer p{font-size:16px}.reading-body{font-size:17px;line-height:1.95}.reading-body h2{font-size:24px}.reading-answer{padding:18px}.reading-grid{grid-template-columns:1fr}.reading-sitemap{columns:1}.reading-breadcrumbs{font-size:12px;padding:20px 0}.reading-footer a{margin:0 9px 15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Article close must be immediate; no document transition can cover the close control. */
@view-transition{navigation:none}
::view-transition-group(root),::view-transition-old(root),::view-transition-new(root){animation-duration:.18s;animation-timing-function:ease-out}
@media(prefers-reduced-motion:reduce){@view-transition{navigation:none}::view-transition-group(root),::view-transition-old(root),::view-transition-new(root){animation:none!important}}

.reading-close-row{display:flex;justify-content:flex-end}
.reading-close-top{margin:-16px -16px 8px 0}
.reading-article-close{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;padding:5px 16px;border:1px solid #bf8c75;border-radius:24px;background:#fff7ed;color:#8b1b39;text-decoration:none;font-size:14px;line-height:1.5;transition:background .18s,border-color .18s}
.reading-article-close span{font-size:22px;line-height:1;font-family:Arial,sans-serif;font-weight:400}
.reading-article-close:hover{background:#f8e4d1;border-color:#a8324e}
.reading-article-close:focus-visible{outline:2px solid #ba1749;outline-offset:3px}
.reading-close-bottom{justify-content:center;margin-top:30px;padding-top:26px;border-top:1px solid #e4d0b8}
.reading-close-bottom .reading-article-close{min-width:190px;min-height:42px}
@media(max-width:760px){.reading-close-top{margin:-10px -6px 8px 0}.reading-article-close{min-height:36px;padding:5px 15px}.reading-close-bottom{margin-top:25px}.reading-close-bottom .reading-article-close{width:100%}}

.lossless-picture{display:contents}

/* Branded shell stays black/gold and rose; the reading surface remains calm. */
.reading-header{background:linear-gradient(110deg,#0d080a,#251018 65%,#12080d);border-bottom:2px solid #c9a06c}.reading-header nav a{color:#f7e3c3}.reading-header nav a:hover,.reading-header nav a[aria-current]{color:#ff3b72}.reading-footer{background:#160b10;color:#efdab9;padding-bottom:calc(95px + env(safe-area-inset-bottom))}.reading-next h2{font-size:22px;color:#ffe2b1}.reading-header nav{overflow-x:auto;scrollbar-width:thin}
@media(max-width:760px){.reading-header-inner{flex-wrap:wrap;justify-content:space-between}.reading-header nav{order:3;flex-basis:100%;justify-content:flex-start;gap:22px;padding-bottom:2px}.reading-header nav a{font-size:14px;flex:none}.reading-logo{width:145px}.reading-language{margin-left:auto}.reading-main{margin-bottom:40px}}