/* Editorial client/service chapters; aligned with the existing brand tokens. */
.chapter-section{padding-bottom:70px}.chapter-section .section-heading{margin-bottom:35px}.chapter-tabs{display:flex;gap:0;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:thin;scrollbar-color:var(--line) transparent;-webkit-overflow-scrolling:touch;margin-bottom:46px;padding-bottom:1px}.chapter-tabs button{flex:1 0 auto;display:flex;align-items:center;justify-content:center;gap:8px;min-height:56px;padding:15px 13px;border:0;border-bottom:2px solid transparent;background:none;font-size:12px;color:var(--muted);white-space:nowrap;transition:color .2s,border-color .2s,background .2s}.chapter-tabs button:hover{color:var(--text);background:#ffffff03}.chapter-tabs button[aria-selected="true"]{color:var(--accent);border-bottom-color:var(--accent)}.chapter-tab-number{font-size:9px;color:#698491;letter-spacing:1px}.chapter-tabs button[aria-selected="true"] .chapter-tab-number{color:var(--accent)}.chapter-panel[hidden]{display:none!important}.chapter-panel:focus{outline:none}.chapter-panel:focus-visible{outline:1px solid var(--accent);outline-offset:14px}.chapter-heading{max-width:860px;margin-bottom:38px}.chapter-kicker{display:block;font-size:10px;letter-spacing:2.8px;color:var(--accent);margin-bottom:17px}.chapter-heading>h3{font:36px/1.45 var(--serif);font-weight:400;color:var(--text);margin:0 0 18px}.chapter-heading>p{font-size:15px;line-height:1.95;color:var(--muted);max-width:790px}.chapter-split{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:54px}.chapter-main{min-width:0}.chapter-prose{margin-bottom:28px}.chapter-prose h4{font-size:17px;font-weight:500;margin:0 0 10px}.chapter-prose p{font-size:13px;line-height:1.95;color:var(--muted);margin:0}.chapter-aside{border:1px solid var(--line);border-top:2px solid #76eed16b;padding:26px;background:#0b152055;align-self:start}.chapter-aside .section-label{font-size:8px;margin-bottom:14px;letter-spacing:2px}.chapter-aside h4{font:20px/1.5 var(--serif);margin:0 0 17px;font-weight:400}.chapter-aside ul{list-style:none;padding:0;margin:0}.chapter-aside li{font-size:12px;line-height:1.8;color:var(--muted);padding:10px 0;border-top:1px solid #ffffff0b}.chapter-aside .text-link{border:0;padding:0;background:none;font-size:12px;cursor:pointer;margin-top:22px}.chapter-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:26px}.chapter-cards article{padding:23px 20px;border:1px solid var(--line);background:#ffffff02}.chapter-cards h4{font-size:15px;font-weight:500;margin:0 0 12px;color:var(--text)}.chapter-cards p{font-size:12px;line-height:1.9;color:var(--muted);margin:0}.chapter-cards:has(article:nth-child(2):last-child){grid-template-columns:repeat(2,minmax(0,1fr))}.chapter-scenario{margin-top:35px;padding-top:27px;border-top:1px solid var(--line)}.chapter-scenario>span{font-size:9px;letter-spacing:1.2px;color:var(--accent)}.chapter-scenario>h4{font:23px/1.5 var(--serif);font-weight:400;margin:15px 0 12px}.chapter-scenario>p{color:var(--muted);font-size:13px;line-height:1.9}.scenario-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;counter-reset:step;margin-top:25px}.scenario-steps article:before{counter-increment:step;content:'0' counter(step);display:block;font:16px var(--serif);color:var(--accent);margin-bottom:14px}.scenario-steps h4{font-size:13px;font-weight:500;margin:0 0 9px}.scenario-steps p{font-size:12px;color:var(--muted);line-height:1.8;margin:0}.chapter-end{display:flex;align-items:center;justify-content:space-between;gap:25px;border-top:1px solid var(--line);margin-top:40px;padding-top:26px}.chapter-end>span{font:20px/1.5 var(--serif);color:var(--text)}.chapter-end>.button{font-size:12px;min-height:44px;padding:10px 20px}.chapter-risk{font-size:10px;line-height:1.9;color:#8498a6;margin:30px 0 0;max-width:980px}.resource-deck{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:start}.resource-card{border:1px solid var(--line);background:#ffffff02}.resource-card summary{list-style:none;display:block;padding:24px;cursor:pointer}.resource-card summary::-webkit-details-marker{display:none}.resource-number{font:13px/1.5 var(--serif);color:var(--accent)}.resource-card h4{font-size:16px;font-weight:500;margin:12px 0 10px}.resource-card p{font-size:12px;line-height:1.8;color:var(--muted);margin:0}.resource-toggle{display:block;font-size:10px;color:var(--accent);margin-top:20px}.resource-card[open]{border-color:#76eed15c}.resource-card>ul{padding:18px 24px 22px 39px;margin:0;border-top:1px solid var(--line);color:var(--muted);font-size:12px;line-height:1.9}.resource-card>ul li+li{margin-top:9px}.resource-references{display:flex;flex-wrap:wrap;gap:15px 25px;margin-top:25px;font-size:11px;line-height:1.8}.resource-references span{color:var(--muted)}.resource-references a{color:var(--accent)}html[lang="en"] .chapter-heading>h3{font-size:38px;line-height:1.2;letter-spacing:-.5px}html[lang="en"] .chapter-tabs button{font-size:11px;padding:15px 10px}html[lang="en"] .chapter-kicker{letter-spacing:2px}html[lang="en"] .chapter-cards h4{font-size:14px}.chapter-tabs button:focus-visible,.resource-card summary:focus-visible{outline:2px solid var(--accent);outline-offset:-4px}
@media(max-width:1100px){.chapter-split{grid-template-columns:minmax(0,1fr) 255px;gap:30px}.chapter-tabs button{font-size:11px;padding:14px 11px}.chapter-cards{gap:12px}.chapter-cards article{padding:19px 15px}.resource-deck{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:800px){.chapter-split{grid-template-columns:1fr;gap:30px}.chapter-aside{padding:24px}.chapter-aside ul{display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.chapter-heading>h3,html[lang="en"] .chapter-heading>h3{font-size:30px}.chapter-heading>p{font-size:14px}.chapter-tabs{margin-bottom:30px}.chapter-tabs button{min-height:52px}}
@media(max-width:600px){.chapter-section{padding-top:65px;padding-bottom:45px}.chapter-heading{margin-bottom:26px}.chapter-kicker{font-size:8px;letter-spacing:1.7px}.chapter-heading>h3,html[lang="en"] .chapter-heading>h3{font-size:27px;line-height:1.4}.chapter-heading>p{font-size:13px;line-height:1.95}.chapter-tabs{gap:0;margin-left:-6.8%;margin-right:-6.8%;padding-left:6%;padding-right:6%}.chapter-tabs button{flex:0 0 auto;padding:13px 15px}.chapter-tabs button:first-child{padding-left:0}.chapter-cards,.chapter-cards:has(article:nth-child(2):last-child){grid-template-columns:1fr}.chapter-cards article{padding:20px}.chapter-aside ul{grid-template-columns:1fr}.chapter-prose h4{font-size:16px}.chapter-scenario>h4{font-size:21px}.scenario-steps{grid-template-columns:1fr;gap:20px}.scenario-steps article{display:grid;grid-template-columns:25px 1fr;column-gap:14px}.scenario-steps article:before{grid-column:1;grid-row:1/3;margin:2px 0 0}.scenario-steps article h4,.scenario-steps article p{grid-column:2}.resource-deck{grid-template-columns:1fr;gap:13px}.resource-card summary{padding:20px}.resource-card h4{font-size:15px}.chapter-end{align-items:flex-start;flex-direction:column;gap:14px;margin-top:30px}.chapter-end>span{font-size:18px}.chapter-risk{font-size:9px}.resource-references{font-size:10px}}
@media(prefers-reduced-motion:reduce){.chapter-tabs button{transition:none}}

/* Six Chinese editorial chapters: existing brand and other modules unchanged. */
.copy-editorial{max-width:100%;overflow-wrap:anywhere}.copy-editorial>p,.copy-editorial>ul,.copy-editorial>ol,.copy-editorial>.copy-section{max-width:900px}.copy-editorial p{line-height:1.95}.copy-editorial h4{font-size:21px;line-height:1.55;margin:34px 0 15px}.copy-editorial h5{font-size:16px;line-height:1.6;margin:24px 0 12px;color:var(--text)}.copy-editorial li{color:var(--muted);font-size:14px;line-height:1.95;margin-bottom:12px}.copy-editorial strong{color:var(--text);font-weight:500}.copy-simulation{border-left:2px solid var(--accent);background:#76eed108;color:var(--accent);padding:20px 24px;margin:24px 0;font-size:13px;line-height:1.9;max-width:900px}.copy-section{border-top:1px solid var(--line);padding:0;margin-top:22px}.copy-section>summary{cursor:pointer;padding:22px 0;color:var(--text);font-size:17px;line-height:1.6}.copy-section>div{padding-bottom:16px}.copy-editorial .chapter-kicker{margin:24px 0;line-height:1.8}.copy-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important;align-items:start}.copy-topic{padding:0!important;min-width:0}.copy-topic>summary{padding:26px;list-style:none;cursor:pointer}.copy-topic>summary::-webkit-details-marker{display:none}.copy-topic>summary h4{font-size:19px;margin:12px 0}.copy-english{display:block;color:var(--accent);font-size:10px;letter-spacing:1px;line-height:1.8;margin-bottom:18px}.copy-toggle{display:block;color:var(--accent);font-size:13px;line-height:1.7;margin-top:22px}.copy-topic[open] .copy-toggle:after{content:' · 收起'}.copy-detail{padding:22px 26px;border-top:1px solid var(--line)}.copy-detail p{margin:0 0 15px}.copy-detail ul{padding-left:20px}.copy-topic summary:focus-visible,.copy-section summary:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}.copy-editorial>.button{margin-top:28px}.copy-editorial>.resource-grid{margin-top:28px}
@media(max-width:600px){.copy-topic-grid{grid-template-columns:1fr!important}.copy-topic>summary,.copy-detail{padding:21px}.copy-editorial h4{font-size:19px}.copy-editorial li{font-size:13px}.copy-simulation{padding:17px 19px}.copy-section>summary{font-size:16px}}