/* AI与外贸：中性阅读底色，按文章搭配蓝、紫和暖色。 */
.resource-card-list{display:grid;gap:24px}
.backlink-summary{background:#eaf4ee;border:1px solid #c9ddcf;border-radius:18px;padding:26px 30px;margin:28px 0}
.backlink-summary h2{font-size:26px;line-height:1.55;letter-spacing:0;margin:9px 0 14px}.backlink-summary>p:not(.resource-kicker){font-size:15px;line-height:1.85}
.backlink-section{padding-top:32px;margin-top:32px;border-top:1px solid var(--line);scroll-margin-top:24px}
.backlink-section>h2,.backlink-faq>h2,.backlink-more>h2{font-size:27px;line-height:1.6;letter-spacing:0;margin:0 0 20px}
.backlink-copy-panel{min-width:0;margin:24px 0;border:1px solid var(--line2);border-radius:14px;background:#fff;overflow:hidden}
.backlink-copy-panel .resource-prompt-head{padding:18px 22px;align-items:start}.backlink-copy-panel h3{font-size:19px;line-height:1.6;letter-spacing:0}
.backlink-copy-panel .resource-copy-status:not(:empty){padding:14px 22px 0;color:var(--teal);font-size:13px}
.backlink-prompt-text{max-width:100%;margin:0;padding:22px;background:#f7faf8;color:#304b3b;font:14px/1.95 var(--font);white-space:pre-wrap;overflow-wrap:anywhere;border:0;border-radius:0}
.backlink-prompt-text code{font:inherit;background:none;padding:0}
.backlink-faq{padding-top:34px;margin-top:34px;border-top:1px solid var(--line)}
.backlink-faq details{border-bottom:1px solid var(--line);padding:18px 0}.backlink-faq summary{cursor:pointer;font-size:16px;font-weight:600;line-height:1.7}.backlink-faq details p{padding-top:12px;font-size:15px;line-height:1.85}
.backlink-more{padding-top:30px}.backlink-article .resource-page-head h1{font-size:clamp(30px,3.2vw,44px)}
@media(max-width:760px){.backlink-summary{padding:22px}.backlink-summary h2{font-size:22px}.backlink-section>h2,.backlink-faq>h2,.backlink-more>h2{font-size:22px}.backlink-copy-panel .resource-prompt-head{padding:16px;flex-direction:column;gap:12px}.backlink-prompt-text{padding:17px;font-size:14px}.backlink-summary .resource-copy-actions{align-items:start;gap:16px}}
.muse-article .resource-page-head h1{text-wrap:balance}
.resource-card-image{display:grid;place-items:center;background:#edf4ef;padding:12px}
.resource-card-image img{display:block;width:100%;height:auto;border-radius:10px}
.resource-related{padding:22px 26px;margin:24px 0;border:1px solid #cbded1;border-left:4px solid #39805b;border-radius:12px;background:#f5faf6}
.resource-related h2{font-size:22px;line-height:1.55;letter-spacing:0;margin:8px 0 10px}
.resource-related p{font-size:14px;line-height:1.8}.resource-related .text-link{display:inline-block;margin-top:12px}
.resource-figure{margin:28px 0 22px;min-width:0}.resource-figure picture{display:block}.resource-figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:16px}
.resource-figure figcaption{font-size:13px;color:var(--quiet);line-height:1.8;margin-top:10px;text-align:center}
.muse-cost-note{font-size:13px;line-height:1.85;padding:14px 18px;border:1px solid var(--line);border-radius:10px;background:#fff}
.muse-map{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:28px 0}
.muse-map a{display:flex;flex-direction:column;gap:8px;padding:16px 14px;border:1px solid var(--line);border-radius:12px;background:#fff}
.muse-map a:hover{border-color:#9abca5;background:#f0f7f2}.muse-map span{font:600 13px var(--mono);color:var(--teal)}.muse-map strong{font-size:14px;line-height:1.5;font-weight:600}
.muse-step{padding-top:38px;margin-top:30px;border-top:1px solid var(--line);scroll-margin-top:28px;min-width:0}
.muse-step-title{display:flex;align-items:start;gap:16px;margin-bottom:18px}
.muse-step-title>span{display:grid;place-items:center;width:42px;height:42px;flex:0 0 42px;border-radius:12px;background:#e6f2e9;color:#23603b;font:600 17px var(--mono)}
.muse-step-title>h2{font-size:26px;line-height:1.6;letter-spacing:0}
.muse-step .resource-prose h3{font-size:21px}.muse-step .resource-prose h4{font-size:18px}
@media(max-width:760px){.resource-card-image{padding:10px}.resource-related{padding:20px}.resource-related h2{font-size:20px}.muse-map{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.muse-map a{flex-direction:row;align-items:center;gap:12px;padding:14px 12px}.muse-map strong{font-size:13px}.muse-step-title{gap:12px}.muse-step-title>h2{font-size:22px}.muse-step-title>span{width:36px;height:36px;flex-basis:36px;font-size:15px}.resource-figure{margin:24px 0}.resource-figure figcaption{text-align:left}.muse-step{padding-top:28px;margin-top:24px}}
html[lang="zh-CN"] .nav{width:min(980px,calc(100% - 48px))}
html[lang="zh-CN"] .nav-links{gap:clamp(12px,1.6vw,20px);padding-inline:16px}
.resource-home{padding:68px 0 88px;border-top:1px solid var(--line)}
.resource-section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
.resource-section-head h2{font-size:32px;letter-spacing:-.03em}
.resource-section-head p{margin-top:10px}
.resource-section-head>.text-link{white-space:nowrap}
.resource-card{display:grid;grid-template-columns:minmax(250px,.8fr) minmax(0,1.2fr);overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#fff}
.resource-card-visual{display:flex;flex-direction:column;justify-content:space-between;gap:36px;padding:32px;background:#e8f2eb;color:#214d36}
.resource-card-visual>span{font-size:15px;font-weight:600;letter-spacing:.02em}
.resource-card-visual>div{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.resource-card-visual b{font-size:15px;font-weight:600}.resource-card-visual i{font-style:normal;color:#718b7b}
.resource-card-copy{padding:30px 34px}.resource-card-copy h3{font-size:23px;line-height:1.5;letter-spacing:0;margin:10px 0 12px}
.resource-card-copy>p:not(.resource-meta){font-size:15px;line-height:1.8}.resource-card-copy>.text-link{margin-top:20px;display:inline-block}
.resource-meta{display:flex;gap:20px;flex-wrap:wrap;color:var(--quiet);font-size:13px;line-height:1.6}
.resource-index{max-width:1000px;padding-block:64px 100px;min-height:65vh}
.resource-page-head{padding:0;margin-bottom:32px;background:none;border:0}
.resource-page-head h1{max-width:860px;margin:12px 0 20px;font-size:clamp(30px,4vw,46px);line-height:1.4;letter-spacing:-.025em}
.resource-page-head>p:not(.resource-kicker){max-width:780px;font-size:17px;line-height:1.9}
.resource-page-head>.resource-meta{margin-top:22px}.resource-kicker{font-size:13px;font-weight:600;color:var(--teal);letter-spacing:.03em}
.resource-article{max-width:940px;padding-block:36px 80px;min-width:0}
.resource-breadcrumb{display:flex;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--quiet);margin-bottom:34px}
.resource-breadcrumb a:hover{text-decoration:underline}
.resource-start{padding:28px 30px;border:1px solid var(--line);border-radius:16px;background:#fff;margin-bottom:22px}
.resource-start h2,.resource-prompt-head h2{font-size:23px;letter-spacing:0;line-height:1.5}
.resource-start>ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;counter-reset:resource-step;list-style:none;padding:0;margin:24px 0}
.resource-start li{counter-increment:resource-step;position:relative;padding-top:30px}
.resource-start li::before{content:"0" counter(resource-step);position:absolute;top:0;left:0;font:600 13px var(--mono);color:var(--teal)}
.resource-start li strong{display:block;font-size:15px;margin-bottom:7px}.resource-start li span{display:block;color:var(--muted);font-size:14px;line-height:1.8}
.resource-start>p{font-size:13px;line-height:1.8}.resource-copy-actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin-top:22px}
.resource-start .resource-copy-status:empty{display:none}.resource-start .resource-copy-status{margin-top:12px;color:var(--teal)}
.resource-outline{padding:16px 22px;border:1px solid var(--line);border-radius:12px;background:#f0f6f2;margin:22px 0 38px}
.resource-outline summary{cursor:pointer;font-size:14px;font-weight:600}.resource-outline ol{columns:2;column-gap:28px;padding-left:22px;font-size:14px;line-height:1.9;margin:14px 0 0}.resource-outline li{break-inside:avoid;padding-bottom:6px}
.resource-prompt{scroll-margin-top:24px;min-width:0}.resource-prompt-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.resource-prose{font-size:16px;line-height:1.95;overflow-wrap:anywhere;color:var(--ink2)}
.resource-prose p{margin:16px 0;color:var(--ink2);line-height:1.95}
.resource-prose h3,.resource-prose h4{font-size:22px;line-height:1.6;letter-spacing:0;margin:38px 0 16px;scroll-margin-top:28px}
.resource-prose h4{font-size:18px}.resource-prose ul,.resource-prose ol{padding-left:25px;margin:14px 0 22px}.resource-prose li{padding-left:4px;margin:8px 0;line-height:1.95}
.resource-prose code{font-size:.87em;background:#eaf1ed;padding:2px 5px;border-radius:4px;word-break:break-word}
.resource-prose pre{max-width:100%;overflow:auto;background:#edf3ef;border:1px solid var(--line);border-radius:12px;padding:20px;margin:22px 0;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8}
.resource-prose pre code{padding:0;background:none;font-size:13px}.resource-prose a{color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.resource-prose blockquote{border-left:3px solid var(--line2);margin:20px 0;padding-left:20px}
.resource-table{max-width:100%;overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:12px;background:#fff}
.resource-table table{width:100%;min-width:780px;border-collapse:collapse;font-size:13px;line-height:1.75;color:var(--ink2)}
.resource-table th,.resource-table td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.resource-table th{background:#ecf3ee;font-weight:600;color:var(--ink);white-space:nowrap}.resource-table th:first-child{width:130px}.resource-table td:first-child{font-weight:600;white-space:nowrap}.resource-table tr:last-child td{border-bottom:0}
.resource-source{margin-top:36px;padding-top:20px;border-top:1px solid var(--line)}.resource-source p{font-size:13px;line-height:1.8;margin:6px 0}.resource-source a{color:var(--teal)}
.resource-product{display:flex;align-items:center;gap:32px;justify-content:space-between;margin:42px 0 32px;padding:28px 30px;border:1px solid var(--line);border-radius:16px;background:#fff}
.resource-product h2{font-size:23px;line-height:1.5;letter-spacing:0;margin:8px 0 12px}.resource-product p:not(.resource-kicker){max-width:560px;font-size:14px;line-height:1.8}.resource-product>.button{flex-shrink:0}
.resource-manual-copy{margin-top:18px}.resource-manual-copy p{font-size:14px}.resource-manual-copy textarea{width:100%;min-height:240px;margin-top:10px;background:#fff;color:var(--ink);border:1px solid var(--line2);border-radius:8px;padding:12px;font-size:14px}
@media(max-width:760px){.resource-section-head{align-items:start;flex-direction:column;gap:14px}.resource-card{grid-template-columns:1fr}.resource-card-visual{padding:24px;gap:24px}.resource-card-copy{padding:24px}.resource-card-copy h3{font-size:21px}.resource-index{padding-block:38px 64px}.resource-article{padding-block:25px 56px}.resource-page-head>p:not(.resource-kicker){font-size:16px}.resource-start{padding:22px}.resource-start>ol{grid-template-columns:1fr;gap:20px}.resource-start li{padding:0 0 0 32px}.resource-start li::before{top:4px}.resource-copy-actions{gap:16px}.resource-outline{padding:16px 20px}.resource-outline ol{columns:1}.resource-product{flex-direction:column;align-items:start;padding:24px;gap:22px}.resource-prose h3{font-size:20px}.resource-home{padding-block:48px 60px}}

/* 颜色用于层级和少量强调，长正文保持深灰。 */
.resource-home,.resource-index,.resource-article{--resource-accent:#3e67b0;--resource-soft:#eef3fc;--resource-border:#d4dff0}
[data-article-theme="blue"]{--resource-accent:#3565ae;--resource-soft:#eef4fd;--resource-border:#cbdcf3}
[data-article-theme="violet"]{--resource-accent:#7657a4;--resource-soft:#f4effb;--resource-border:#ded1ef}
[data-article-theme="coral"]{--resource-accent:#a75d43;--resource-soft:#fcf2ec;--resource-border:#eed5c6}
.resource-home,.resource-index{background:var(--paper)}
.resource-card{border-top:3px solid var(--resource-accent)}
.resource-card-image,.resource-card-visual{background:var(--resource-soft)}
.resource-card-copy h3,.resource-page-head h1,.resource-section-head h2{color:var(--ink)}
.resource-card .text-link,.resource-article .resource-kicker,.resource-article .text-link,.resource-article .resource-prose a,.resource-article .resource-source a{color:var(--resource-accent)}
.resource-outline{background:#f4f5f9;border-color:#e0e4ec}
.resource-article .resource-related{background:var(--resource-soft);border-color:var(--resource-border);border-left-color:var(--resource-accent)}
.resource-related h2,.resource-start h2,.resource-prompt-head h2,.backlink-section>h2,.resource-article-faq h2{color:var(--ink)}
.resource-start,.resource-product,.backlink-copy-panel{border-color:#dce1e9}
.resource-start li::before{color:var(--resource-accent)}
.resource-start li:nth-child(2)::before{color:#aa6f35}.resource-start li:nth-child(3)::before{color:#7657a4}
.resource-prose p,.resource-prose li,.resource-prose,.resource-table table{color:var(--ink2)}
.resource-prose h3,.resource-prose h4{color:var(--ink)}
.resource-prose code{background:#edf0f6;color:#48516a}
.resource-prose pre{background:#f4f5f9;border-color:#dfe2ec}
.resource-table th{background:#eff2f8;color:#34405b}
.muse-map a{border-color:#dce3ef}.muse-map a:hover{border-color:#b9c8e3;background:#f2f6fc}
.muse-map span{color:#3565ae}
.muse-map a:nth-child(3n+2) span{color:#a4673c}.muse-map a:nth-child(3n) span{color:#7657a4}
.muse-step-title>span{background:#eaf1fc;color:#3e67b0}
.muse-step:nth-of-type(3n+2) .muse-step-title>span{background:#fcf0e3;color:#9b6334}
.muse-step:nth-of-type(3n) .muse-step-title>span{background:#f1eafa;color:#7555a4}
.resource-answer,.backlink-summary{padding:24px 28px;border:1px solid var(--resource-border);border-left:4px solid var(--resource-accent);border-radius:16px;background:var(--resource-soft);margin:26px 0}
.resource-answer h2{font-size:25px;line-height:1.6;margin:8px 0 12px;letter-spacing:0;color:#2d374b}.resource-answer p{font-size:15px;line-height:1.85}
.backlink-prompt-text{background:#faf8f7;color:#485063}
.resource-article-faq{margin-top:34px;padding-top:30px;border-top:1px solid var(--line)}
.resource-article-faq h2{font-size:25px;line-height:1.6;letter-spacing:0;margin-bottom:14px}
.resource-article-faq details{padding:17px 0;border-bottom:1px solid var(--line)}
.resource-article-faq summary{cursor:pointer;font-weight:600;line-height:1.7;color:#36445a}
.resource-article-faq details p{font-size:15px;line-height:1.9;padding-top:12px;color:#626e80}
.resource-update{color:#7c8796}.resource-editorial img{background:#fff}
@media(max-width:760px){.resource-answer{padding:21px}.resource-answer h2,.resource-article-faq h2{font-size:22px}}