:root{--porcelain:#eef4f3;--paper:#f8fbfa;--ink:#17313d;--ink-soft:#526a72;--cinnabar:#c64d3f;--jade:#5c8076;--line:#cbd9d6;--white:#fff;--shadow:0 20px 48px #17313d17;--content:1180px}*{box-sizing:border-box}html{background:var(--porcelain);color:var(--ink);scroll-behavior:smooth}body{background:linear-gradient(90deg, #17313d06 1px, transparent 1px) 0 0 / 36px 36px, var(--porcelain);text-rendering:optimizelegibility;min-width:320px;margin:0;font-family:Microsoft YaHei,Noto Sans CJK SC,PingFang SC,sans-serif;font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none}a:hover{color:var(--cinnabar)}img{max-width:100%;height:auto}:focus-visible{outline-offset:4px;outline:3px solid #c64d3f73}.shell{width:min(calc(100% - 40px), var(--content));margin-inline:auto}.site-header{z-index:20;backdrop-filter:blur(14px);background:#eef4f3eb;border-bottom:1px solid #17313d1f;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:24px;min-height:72px;display:flex}.brand{letter-spacing:.03em;align-items:center;gap:12px;font-weight:800;display:flex}.brand-mark{border:1px solid var(--cinnabar);width:62px;height:34px;box-shadow:inset 0 0 0 3px var(--porcelain), inset 0 0 0 4px #c64d3f6b;color:var(--cinnabar);letter-spacing:.08em;text-indent:.08em;place-items:center;font-family:STKaiti,KaiTi,Kaiti SC,serif;font-size:16px;font-weight:700;line-height:1;display:grid;position:relative}.site-nav{color:var(--ink-soft);align-items:center;gap:24px;font-size:14px;display:flex}.site-nav a[aria-current=page]{color:var(--ink);font-weight:700}.hero{padding:80px 0 56px;overflow:hidden}.hero-grid{grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);align-items:end;gap:70px;display:grid}.eyebrow{color:var(--cinnabar);letter-spacing:.16em;text-transform:uppercase;margin:0 0 18px;font-size:13px;font-weight:800}.hero h1{letter-spacing:-.045em;max-width:760px;margin:0;font-family:Songti SC,STSong,SimSun,serif;font-size:clamp(48px,7.5vw,92px);font-weight:800;line-height:1.03}.hero-lede{max-width:690px;color:var(--ink-soft);margin:28px 0 0;font-size:clamp(17px,2vw,20px)}.map-rail{border-left:4px solid var(--cinnabar);padding:28px 0 4px 42px;position:relative}.map-rail:before,.map-rail:after{content:"";background:var(--cinnabar);width:54px;height:4px;position:absolute;left:-4px}.map-rail:before{top:0}.map-rail:after{bottom:0}.map-stage{border-bottom:1px solid var(--line);grid-template-columns:28px 1fr;gap:14px;padding:11px 0;display:grid}.map-stage:last-child{border-bottom:0}.stage-index{color:var(--cinnabar);font:700 13px/1.8 ui-monospace,monospace}.stage-title{font-weight:800}.stage-note{color:var(--ink-soft);font-size:13px}.section{padding:54px 0}.section-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:end;gap:24px;margin-bottom:26px;padding-bottom:14px;display:flex}.section-head h2{margin:0;font-family:Songti SC,STSong,SimSun,serif;font-size:clamp(30px,4vw,46px);line-height:1.2}.section-head p{color:var(--ink-soft);margin:0;font-size:14px}.article-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.article-card{border:1px solid var(--line);background:#f8fbfad1;flex-direction:column;min-width:0;transition:transform .18s,box-shadow .18s,border-color .18s;display:flex}.article-card:hover{border-color:var(--jade);box-shadow:var(--shadow);color:inherit;transform:translateY(-4px)}.card-image{aspect-ratio:2.35;border-bottom:1px solid var(--line);background:#dfe9e6;overflow:hidden}.card-image img{object-fit:cover;width:100%;height:100%;transition:transform .24s}.article-card:hover .card-image img{transform:scale(1.025)}.card-body{flex-direction:column;flex:1;padding:22px;display:flex}.card-meta{color:var(--ink-soft);justify-content:space-between;gap:16px;font-size:12px;display:flex}.card-body h3{margin:15px 0 12px;font-size:21px;line-height:1.45}.card-body p{color:var(--ink-soft);margin:0;font-size:14px}.card-link{color:var(--cinnabar);margin-top:auto;padding-top:20px;font-size:13px;font-weight:800}.page-hero{padding:58px 0 36px}.page-hero h1{margin:0;font-family:Songti SC,STSong,serif;font-size:clamp(40px,6vw,72px);line-height:1.12}.page-hero p{max-width:760px;color:var(--ink-soft);margin:20px 0 0;font-size:18px}.article-shell{width:min(100% - 40px,860px);margin-inline:auto}.article-header{border-bottom:1px solid var(--line);padding:64px 0 34px}.article-breadcrumb{color:var(--ink-soft);gap:9px;margin-bottom:22px;font-size:13px;display:flex}.article-breadcrumb a:hover{color:var(--cinnabar)}.article-kicker{color:var(--cinnabar);align-items:center;gap:12px;font-size:13px;font-weight:800;display:flex}.article-kicker:before{content:"";background:var(--cinnabar);width:36px;height:3px}.article-title{letter-spacing:-.03em;margin:20px 0 18px;font-family:Songti SC,STSong,serif;font-size:clamp(38px,7vw,66px);line-height:1.15}.article-description{color:var(--ink-soft);margin:0;font-size:18px}.article-meta{color:var(--ink-soft);flex-wrap:wrap;gap:12px 22px;margin-top:24px;font-size:13px;display:flex}.article-content{padding:46px 0 80px;font-size:17px;line-height:1.95;position:relative}.article-content:before{content:"";background:linear-gradient(var(--cinnabar) 0 12%, var(--line) 12% 100%);width:2px;position:absolute;top:52px;bottom:80px;left:-34px}.article-content h2{margin:2.1em 0 .8em;font-family:Songti SC,STSong,serif;font-size:31px;line-height:1.35}.article-content h3{margin:1.8em 0 .6em;font-size:21px}.article-content p{margin:1.1em 0}.article-content blockquote{border-left:4px solid var(--cinnabar);color:var(--ink-soft);margin:1.6em 0;padding:8px 0 8px 22px}.article-content img{border:1px solid var(--line);background:var(--white);margin:2em auto .6em;display:block}.article-content em{color:var(--ink-soft);font-size:14px;font-style:normal}.article-content li{margin:.55em 0}.article-content a{color:var(--jade);border-bottom:1px solid}.article-content table{border-collapse:collapse;width:100%;font-size:14px}.article-content th,.article-content td{border:1px solid var(--line);text-align:left;padding:10px}.article-content th{background:#e3ece9}.article-footer{border-top:1px solid var(--line);margin-top:48px;padding:28px 0 0}.related-articles{border:1px solid var(--line);background:#f8fbfad1;margin-top:52px;padding:28px 30px}.article-content .related-articles h2{margin:0 0 16px;font-size:25px}.related-articles ul{margin:0;padding-left:1.2em}.related-articles li{margin:.7em 0}.wechat-link{color:var(--cinnabar);align-items:center;gap:10px;margin-top:18px;font-weight:800;display:inline-flex}.wechat-follow-card{border:1px solid var(--line);background:linear-gradient(90deg, #17313d06 1px, transparent 1px) 0 0 / 30px 30px, linear-gradient(#17313d06 1px, transparent 1px) 0 0 / 30px 30px, var(--paper);border-radius:16px;grid-template-columns:224px minmax(0,1fr) auto;align-items:center;gap:38px;margin:34px 0 0;padding:34px 38px;display:grid;position:relative;overflow:hidden;box-shadow:0 12px 32px #17313d0f}.wechat-follow-card:before{content:"";background:var(--cinnabar);width:5px;position:absolute;inset:0 auto 0 0}.wechat-qr-link,.article-content .wechat-qr-link{color:inherit;text-align:center;border:0;display:block}.wechat-qr-frame{border:1px solid var(--line);background:var(--white);padding:10px;display:block;box-shadow:7px 7px #5c807629}.wechat-follow-card .wechat-follow-qr,.article-content .wechat-follow-card .wechat-follow-qr{background:var(--white);border:0;width:100%;height:auto;margin:0;display:block}.wechat-qr-hint{color:var(--ink-soft);letter-spacing:.08em;margin-top:11px;font-size:12px;display:block}.wechat-follow-copy{min-width:0}.wechat-follow-label{color:var(--cinnabar);letter-spacing:.18em;margin-bottom:9px;font-size:11px;font-weight:800;display:block}.wechat-follow-source,.article-content .wechat-follow-source{color:var(--ink);margin:0;font-family:Songti SC,STSong,SimSun,serif;font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.35}.wechat-follow-source strong{color:var(--cinnabar)}.wechat-follow-note,.article-content .wechat-follow-note{max-width:500px;color:var(--ink-soft);margin:18px 0 0;font-size:14px;line-height:1.8}.wechat-follow-signature{border-left:1px solid var(--line);color:var(--ink-soft);writing-mode:vertical-rl;letter-spacing:.1em;flex-direction:column;justify-content:space-between;align-self:stretch;align-items:end;padding-left:26px;display:flex}.wechat-follow-signature span{font-size:12px}.wechat-follow-signature strong{color:var(--ink);font-family:STKaiti,KaiTi,Kaiti SC,serif;font-size:24px;font-weight:700}.wechat-follow-card--home{border-color:#5c80766b;margin-top:0;box-shadow:0 18px 46px #17313d17}.search-box{border:1px solid var(--line);background:var(--paper);min-height:320px;padding:28px}.site-footer{border-top:1px solid var(--line);color:var(--ink-soft);margin-top:70px;padding:36px 0 54px;font-size:13px}.footer-inner{justify-content:space-between;gap:28px;display:flex}@media (width<=900px){.hero-grid{grid-template-columns:1fr}.hero{padding-top:56px}.article-grid{grid-template-columns:1fr 1fr}.wechat-follow-card{grid-template-columns:190px minmax(0,1fr);gap:30px}.wechat-follow-signature{display:none}}@media (width<=640px){.shell,.article-shell{width:min(calc(100% - 28px), var(--content))}.header-inner{min-height:62px}.brand{gap:9px}.brand-mark{width:55px;height:31px;font-size:14px}.brand span:last-child{display:none}.site-nav{gap:14px;font-size:13px}.site-nav a:nth-child(2){display:none}.hero{padding:42px 0 28px}.hero-grid{gap:36px}.article-grid{grid-template-columns:1fr}.section{padding:38px 0}.section-head{display:block}.section-head p{margin-top:8px}.article-header{padding-top:42px}.article-content{font-size:16px}.article-content:before{display:none}.article-content h2{font-size:26px}.wechat-follow-card{grid-template-columns:1fr;gap:24px;padding:28px 24px}.wechat-qr-link,.article-content .wechat-qr-link{width:min(210px,76%);margin-inline:auto}.wechat-follow-copy{text-align:center}.wechat-follow-note,.article-content .wechat-follow-note{max-width:none;margin-top:12px}.footer-inner{display:block}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}