:root{color-scheme:dark;--bg:#071018;--panel:#0e1a24;--line:#2b3944;--text:#edf1f3;--muted:#acbac6;--red:#c43b42;--gold:#e5c17d}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:radial-gradient(ellipse at 80% 0,#342129 0,transparent 36%),var(--bg);color:var(--text);font:17px/1.85 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}a{color:#edc680;text-underline-offset:4px}a:hover{color:#fff}a:focus-visible,.table-wrap:focus-visible{outline:3px solid var(--gold);outline-offset:5px}p{margin:.65em 0 1em}h1,h2,h3{line-height:1.35;overflow-wrap:anywhere}h1{font:700 clamp(2rem,5vw,3.9rem)/1.2 "Songti SC",serif;letter-spacing:.025em;margin:.4em 0}h2{font-size:1.65rem;margin:0 0 1em}h3{font-size:1.12rem;margin:.1em 0 .65em}h3 small{font-weight:400;color:var(--muted);font-size:.8em}main{width:min(1180px,calc(100% - 64px));margin:0 auto}article{max-width:860px;margin:auto}.site-header{width:min(1300px,calc(100% - 64px));margin:auto;padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid var(--line)}.brand{font:700 1.65rem/1.4 "Songti SC",serif;color:#fff;text-decoration:none;white-space:nowrap}.brand small{display:block;font:12px/1.4 sans-serif;letter-spacing:.2em;color:var(--muted)}.site-header nav{display:flex;align-items:center;gap:24px;font-size:14px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;background:var(--red);border:1px solid #dc6068;border-radius:6px;color:#fff;text-decoration:none;font-size:14px;font-weight:650}.button:hover{background:#9c2d36}.breadcrumbs{font-size:13px;color:var(--muted);padding:25px 0;overflow-wrap:anywhere}.landing-hero{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:30px 0 66px}.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--gold)}.lead{color:#c7d3dc;font-size:1.12rem;max-width:65ch}.hero-actions{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:28px;font-size:14px}figure{margin:24px 0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#050b10}img{display:block;width:100%;height:auto}figcaption{font-size:12px;color:var(--muted);padding:8px 14px}.hero-image{box-shadow:0 25px 80px #0005}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.catalog{padding:0 0 42px}.guide-card{display:flex;flex-direction:column;gap:12px;padding:25px;border:1px solid var(--line);border-top:2px solid #a33640;border-radius:8px;background:linear-gradient(150deg,#14232e,#0a141d);color:var(--text);text-decoration:none}.guide-card>span{font-size:12px;letter-spacing:.1em;color:var(--gold)}.guide-card h3{font-size:1.22rem;margin:0}.guide-card p{font-size:14px;line-height:1.9;color:var(--muted);margin:0}.guide-card b{font-size:13px;color:var(--gold);margin-top:auto;padding-top:8px}.guide-card:hover{border-color:#bf6268;transform:translateY(-2px)}.reading-note{margin:30px 0;padding:24px;background:#131e28;border-left:3px solid var(--red);border-radius:4px}.reading-note h2{font-size:1.2rem}.reading-note p:last-child{margin-bottom:0}.article-header{padding:24px 0 12px}.article-header h1{font-size:clamp(2rem,4vw,3.2rem)}.article-nav,.area-links{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:14px;padding:15px 0}.article-nav{border-block:1px solid var(--line);margin:24px 0 40px}.article-section{margin:45px 0}.card{padding:24px;margin:18px 0;background:var(--panel);border:1px solid var(--line);border-radius:8px}.card p:last-child{margin-bottom:0}.muted{color:var(--muted);font-size:13px}ol,ul{padding-left:1.5em}li{margin:.7em 0}.steps{counter-reset:step;padding-left:1.4em}.steps>li{padding:16px 0 20px 12px;border-bottom:1px solid var(--line)}dl{display:grid;grid-template-columns:90px 1fr;gap:10px 16px;margin:12px 0 0}dt{color:var(--gold);font-size:14px}dd{margin:0;min-width:0;overflow-wrap:anywhere}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:6px}table{width:100%;border-collapse:collapse;font-size:14px;min-width:540px}td,th{text-align:left;vertical-align:top;padding:14px;border-bottom:1px solid var(--line)}th{background:#172630;color:var(--gold);font-weight:600}tr:nth-child(even){background:#0c1822}.source-list{font-size:14px;overflow-wrap:anywhere}.source-list span{display:block;color:var(--muted);font-size:12px}footer{max-width:1180px;margin:60px auto 0;border-top:1px solid var(--line);padding:25px 24px 45px;color:var(--muted);font-size:13px}.skip{position:absolute;top:-100px;left:12px;padding:12px;background:var(--panel);z-index:10}.skip:focus{top:12px}@media(max-width:850px){.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.landing-hero{gap:24px}}@media(max-width:600px){body{font-size:16px}main,.site-header{width:calc(100% - 36px)}.site-header{align-items:flex-start;padding:18px 0;gap:16px}.site-header nav{align-items:flex-end;flex-direction:column;gap:9px;font-size:12px}.site-header .button{max-width:182px;font-size:12px;min-height:44px;padding:8px 12px;text-align:center}.brand{font-size:1.35rem}.brand small{font-size:10px}.breadcrumbs{padding:18px 0}.landing-hero{grid-template-columns:1fr;padding:15px 0 35px;gap:18px}.landing-hero h1{font-size:2.7rem}.hero-actions{gap:15px}.guide-grid{grid-template-columns:1fr}.guide-card{padding:21px}.card,.reading-note{padding:18px}.article-header{padding:16px 0}.article-section{margin:32px 0}.article-section h2{font-size:1.45rem}dl{grid-template-columns:65px 1fr;gap:9px 12px}footer{margin-top:40px;padding-inline:18px}.lead{font-size:1.02rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.guide-card:hover{transform:none}}

.hero-tagline{font-family:"Songti SC",serif;font-size:1.1rem;letter-spacing:.09em;color:var(--gold);margin:.2em 0 1em}
.related-guides{margin:44px 0;padding:24px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}
.related-guides h2{font-size:1.3rem;margin:0 0 14px}
.related-guides ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;list-style:none;margin:0;padding:0}
.related-guides li{margin:0;padding:14px;border:1px solid var(--line);border-radius:6px}
.related-guides li a{font-weight:650}
.related-guides li p{font-size:.84rem;color:var(--muted);margin:.5em 0 0}
.area-links a{display:inline-block;padding:6px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;line-height:1.65}
.area-links a:hover,.area-links a:focus-visible{border-color:var(--gold);color:#fff}
@media(max-width:600px){.related-guides{padding:16px}.related-guides ul{grid-template-columns:1fr}.hero-tagline{font-size:1rem}}