.production-guide{--guide-ink:#151b28;--guide-muted:#596579;--guide-paper:#f5f3ed;--guide-line:#dcdedc;--guide-blue:#354edb;background:var(--guide-paper);color:var(--guide-ink);min-height:100vh;font-family:Arial,Microsoft YaHei,sans-serif;line-height:1.75}.production-guide *{box-sizing:border-box;min-width:0}.production-guide a{color:inherit;text-underline-offset:4px}.guide-header{border-bottom:1px solid var(--guide-line);justify-content:space-between;align-items:center;gap:24px;max-width:1280px;margin:auto;padding:22px 32px;display:flex}.guide-wordmark{letter-spacing:2px;font-weight:800;text-decoration:none}.guide-header nav{gap:26px;font-size:13px;display:flex}.guide-header nav a{text-decoration:none}.guide-button{background:var(--guide-ink);border-radius:7px;justify-content:center;align-items:center;gap:12px;min-height:46px;padding:12px 20px;font-size:13px;font-weight:700;line-height:1.5;text-decoration:none;display:inline-flex;color:#fff!important}.guide-button:hover{background:var(--guide-blue)}.production-guide main{max-width:1216px;margin:auto;padding:0 32px}.guide-intro{max-width:1040px;padding:64px 0 54px}.guide-eyebrow{text-transform:uppercase;letter-spacing:1.6px;color:var(--guide-blue);margin:0 0 14px;font-size:11px;font-weight:700}.guide-intro h1{letter-spacing:-1.6px;text-wrap:balance;margin:0 0 26px;font-size:clamp(34px,4.3vw,58px);font-weight:650;line-height:1.15}.production-guide[lang=zh-CN] h1{letter-spacing:-.02em;line-height:1.35}.guide-lead{color:var(--guide-muted);max-width:880px;margin:0;font-size:clamp(17px,1.65vw,20px);line-height:1.8}.guide-byline{color:var(--guide-muted);margin:24px 0 0;font-size:12px}.guide-answer{border-left:4px solid var(--guide-blue);background:#eaeaf1;border-radius:0 9px 9px 0;margin-top:32px;padding:26px 30px}.guide-answer h2{margin:0 0 14px;font-size:20px;line-height:1.5}.guide-answer p{margin:0;font-size:16px}.guide-answer .guide-small{color:var(--guide-muted);margin-top:14px;font-size:12px}.guide-layout{grid-template-columns:230px minmax(0,1fr);gap:54px;display:grid}.guide-contents{flex-direction:column;align-self:start;padding-bottom:32px;font-size:13px;display:flex;position:sticky;top:24px}.guide-contents strong{letter-spacing:.6px;color:var(--guide-muted);margin-bottom:12px;font-size:11px}.guide-contents a{border-bottom:1px solid var(--guide-line);padding:10px 0;line-height:1.6;text-decoration:none}.guide-contents a:hover{color:var(--guide-blue)}.guide-contents span{color:var(--guide-blue);margin-right:10px;font-size:10px}.guide-section{border-bottom:1px solid var(--guide-line);margin:0 0 38px;padding:0 0 42px;scroll-margin-top:26px}.guide-section h2,.guide-evidence h2,.guide-next h2{letter-spacing:-.6px;margin:0 0 20px;font-size:clamp(24px,2.5vw,34px);font-weight:650;line-height:1.35}.guide-section>p,.guide-evidence>p,.guide-next>p{color:var(--guide-muted);margin:0 0 22px;font-size:15px}.guide-table-wrap{max-width:100%;overflow-x:auto}.guide-section table{border-collapse:collapse;table-layout:fixed;width:100%;font-size:13px;line-height:1.75}.guide-section th,.guide-section td{text-align:left;vertical-align:top;overflow-wrap:anywhere;border:1px solid var(--guide-line);padding:16px 15px}.guide-section thead{color:#3f4a5d;background:#e8e8e5}.guide-section tbody{background:#fffefa}.guide-section tbody th{width:24%;font-weight:700}.guide-section .guide-section-note{margin:18px 0 0;font-size:12px;line-height:1.8}.guide-section>.guide-button{margin-top:24px}.brief-template{border:1px solid var(--guide-line);background:#eaece8;border-radius:10px;margin-top:24px;padding:24px}.brief-template label{margin-bottom:10px;font-size:14px;font-weight:700;display:block}.brief-template textarea{resize:vertical;width:100%;min-height:390px;color:var(--guide-ink);background:#fffefa;border:1px solid #b6bdc6;border-radius:6px;padding:18px;font:14px/1.8 Arial,Microsoft YaHei,sans-serif}.brief-template-note{color:var(--guide-muted);margin:12px 0;font-size:12px;line-height:1.75}.brief-template-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:14px;display:flex}.brief-template-actions button{background:var(--guide-ink);color:#fff;cursor:pointer;border:0;border-radius:6px;min-height:44px;padding:12px 18px;font:700 13px/1.5 Arial,Microsoft YaHei,sans-serif}.brief-template [role=status]{overflow-wrap:anywhere;font-size:12px;line-height:1.7}.guide-evidence{padding:24px 0 50px;scroll-margin-top:28px}.guide-case-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:28px;display:grid}.guide-case-grid article{border:1px solid var(--guide-line);background:#fffefa;border-radius:10px;overflow:hidden}.guide-case-grid img{object-fit:cover;object-position:center 40%;background:#151b28;width:100%;height:220px;display:block}.guide-case-grid article>div{padding:22px}.guide-case-grid h3{margin:0 0 14px;font-size:19px;line-height:1.4}.guide-case-grid h3 a{text-decoration:none}.guide-case-grid p:not(.guide-eyebrow){color:var(--guide-muted);margin:0 0 18px;font-size:13px}.guide-case-grid article>div>a{font-size:12px;font-weight:700}.guide-case-grid .guide-eyebrow{letter-spacing:1px;font-size:9px}.guide-next{color:#fff;background:#182134;border-radius:12px;margin:12px 0 64px;padding:36px}.guide-next p{color:#ccd3e2;max-width:870px}.guide-next>div{flex-wrap:wrap;gap:14px 26px;margin:24px 0;display:flex}.guide-next>div a{font-size:13px}.guide-next .guide-button{background:#fff;margin-right:22px;color:#151b28!important}.guide-next>a:last-child{align-items:center;min-height:44px;font-size:12px;display:inline-flex}.guide-footer{border-top:1px solid var(--guide-line);max-width:1216px;color:var(--guide-muted);flex-wrap:wrap;justify-content:space-between;gap:20px;margin:0 auto;padding:24px 32px 36px;font-size:11px;display:flex}.guide-footer p{margin:0}.guide-footer>a:first-child{letter-spacing:2px;color:var(--guide-ink);font-weight:800;text-decoration:none}.guide-skip{z-index:100;background:#fff;padding:12px;position:absolute;top:-100px;left:16px}.guide-skip:focus{top:12px}:is(.production-guide a:focus-visible,.production-guide button:focus-visible,.production-guide textarea:focus-visible){outline-offset:4px;outline:3px solid #657cff}@media (max-width:920px){.guide-layout{grid-template-columns:1fr;gap:18px}.guide-contents{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px;display:grid;position:static}.guide-contents strong{grid-column:1/-1}.guide-case-grid{gap:16px}.guide-case-grid article>div{padding:18px}.guide-case-grid img{height:170px}}@media (max-width:620px){.guide-header{flex-wrap:wrap;gap:16px;padding:17px 20px}.guide-header nav{order:3;justify-content:space-between;gap:16px;width:100%}.guide-header .guide-button{padding:10px 14px;font-size:12px}.production-guide main{padding:0 20px}.guide-intro{padding:42px 0 32px}.guide-intro h1{letter-spacing:-1px;font-size:34px}.guide-answer{padding:22px}.guide-answer p{font-size:15px}.guide-contents{grid-template-columns:1fr;padding-bottom:24px}.guide-section{margin-bottom:28px;padding-bottom:30px}.guide-section table,.guide-section tbody,.guide-section tr,.guide-section td,.guide-section tbody th{width:100%;display:block}.guide-section thead{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.guide-section tr{border:1px solid var(--guide-line);border-radius:7px;margin-bottom:14px;overflow:hidden}.guide-section tbody{background:0 0}.guide-section th,.guide-section td{background:#fffefa;border:0;padding:12px 16px}.guide-section tbody th{background:#e8e8e5}.guide-section td+td{border-top:1px solid #ececea}.guide-section td:before{content:attr(data-label);color:var(--guide-muted);margin-bottom:4px;font-size:11px;font-weight:700;display:block}.brief-template{padding:18px}.brief-template textarea{min-height:440px;padding:14px;font-size:16px}.guide-case-grid{grid-template-columns:1fr}.guide-case-grid img{height:220px}.guide-case-grid article>div{padding:22px}.guide-next{margin-bottom:42px;padding:26px}.guide-next>div{flex-direction:column}.guide-next .guide-button{margin:0 0 10px}.guide-next>a:last-child{display:block}.guide-footer{padding:24px 20px 32px}.guide-footer p{order:3;width:100%}}