/* WeChat collection shares the Work title origin and fixed content window. */
.wechat-page{box-sizing:border-box;min-height:100%;padding:40px 54px 46px;color:#090909;position:relative;isolation:isolate}
.wechat-page:before{content:'';position:absolute;inset:40% 0 0 60%;pointer-events:none;z-index:-1;background:radial-gradient(ellipse at 75% 80%,#ffc65b17,transparent 65%)}
.wechat-heading-row{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;margin-top:52px}
.wechat-page .wechat-title{margin:0;font:400 clamp(32px,5.75cqi,76px)/1.04 Anton,Impact,'Arial Narrow',sans-serif;letter-spacing:.002em}
.wechat-subtitle{margin:12px 0 0;color:#77889a;font:500 20px/1.35 Inter,Arial,sans-serif}
.wechat-tabs{display:flex;gap:8px;flex-shrink:0;margin-top:0}
.wechat-tabs button{display:flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding:10px 23px;border:1px solid transparent;border-radius:999px;background:#ffffffb0;color:#7b899d;font:700 16px/1.2 Inter,Arial,sans-serif;cursor:pointer;transition:background-color .2s,border-color .2s,color .2s}
.wechat-tabs button[aria-selected=true]{border-color:#ff432e;color:#ff432e;background:#fffdf8}
.wechat-tabs svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.wechat-content-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,1fr);gap:34px;margin-top:34px}
.wechat-collection{min-width:0}.wechat-collection [hidden]{display:none!important}
.wechat-group+.wechat-group{margin-top:28px}
.wechat-group-heading{display:flex;align-items:center;gap:18px;margin:0 0 15px;font:400 22px/1.2 Anton,Impact,sans-serif}
.wechat-group-heading:after{content:'';height:1px;background:#71809742;flex:1;order:1}
.wechat-group-heading span{order:2;color:#7a8b9d;font:500 16px/1.2 Inter,Arial,sans-serif}
.wechat-item{display:grid;grid-template-columns:150px minmax(0,1fr) 25px;align-items:center;gap:22px;width:100%;padding:11px 14px 11px 0;margin-bottom:9px;border:1px solid #ffffffb3;border-radius:16px;background:#fffefb57;color:#090909;text-align:left;cursor:pointer;transition:background-color .25s,border-color .25s,box-shadow .25s}
.wechat-item:hover,.wechat-item[aria-pressed=true]{background:#fffdf9d9;border-color:#ffc5ac;box-shadow:0 6px 22px #573b1708}
.wechat-item img{display:block;width:150px;height:83px;border-radius:12px;object-fit:cover}
.wechat-item-copy{min-width:0}.wechat-item-tag{display:inline-block;border-radius:999px;background:#fff0e8;color:#ff432e;padding:3px 8px;margin-bottom:6px;font:500 11px/1.2 Inter,Arial,sans-serif}
.wechat-item strong{display:block;font:600 15px/1.45 Inter,Arial,sans-serif;overflow-wrap:break-word}
.wechat-item small{display:block;margin-top:7px;font:400 12px/1.35 Inter,Arial,sans-serif;color:#7a8b9d}
.wechat-item-arrow{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s}
.wechat-item:hover .wechat-item-arrow{transform:translate(2px,-2px)}
.wechat-logic{border-left:1px solid #6d625b26;padding-left:34px;min-width:0}
.wechat-logic-label{margin:4px 0 7px;color:#7b8b9e;font:500 14px/1.3 Inter,Arial,sans-serif}
.wechat-page .wechat-logic-title{margin:0;font:400 clamp(28px,3.65cqi,48px)/1.1 Anton,Impact,sans-serif;letter-spacing:0;white-space:nowrap}
.wechat-logic-title em{font-style:normal;color:#ff432e}
.wechat-logic-caption{margin:9px 0 0;color:#7a8b9d;font:400 14px/1.5 Inter,Arial,sans-serif}
.wechat-selection{margin-top:28px;min-width:0}
.wechat-idle{padding-top:45px;color:#7a8b9d}
.wechat-idle svg{display:block;width:155px;height:106px;margin:0 0 18px 7px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.wechat-idle h4{margin:0;font:600 23px/1.3 Inter,Arial,sans-serif;letter-spacing:-.02em;max-width:350px}
.wechat-idle p{margin:16px 0 0;font:400 16px/1.6 Inter,Arial,sans-serif;max-width:360px}
.wechat-analysis-sample{margin:0 0 7px;color:#ff432e;font:600 11px/1.4 Inter,Arial,sans-serif;letter-spacing:.04em;text-transform:uppercase}
.wechat-analysis-title{margin:0 0 20px;font:700 21px/1.35 Inter,Arial,sans-serif;letter-spacing:-.02em}
.wechat-analysis-block{padding:13px 0;border-top:1px solid #7369581a}
.wechat-analysis-block h4{margin:0 0 7px;font:700 13px/1.4 Inter,Arial,sans-serif;color:#090909}
.wechat-analysis-block p{margin:0;color:#66798b;font:400 14px/1.55 Inter,Arial,sans-serif}
.wechat-decision{display:block;margin-top:9px;padding:10px 12px;border-radius:12px;background:#fff0e68c;color:#ff432e;font:600 12px/1.45 Inter,Arial,sans-serif}
.wechat-sample-note{margin:14px 0 0;color:#7a8b9d;font:400 11px/1.5 Inter,Arial,sans-serif}
.wechat-tabs button:focus-visible,.wechat-item:focus-visible{outline:2px solid #ff432e;outline-offset:4px}
@container section-window (max-width:1100px){
 .wechat-page{padding:32px 32px 36px}.wechat-heading-row{margin-top:40px}.wechat-page .wechat-title{font-size:5.65cqi}
 .wechat-subtitle{font-size:17px}.wechat-tabs button{min-height:46px;padding:9px 17px;font-size:14px}
 .wechat-content-grid{gap:25px;margin-top:28px}.wechat-logic{padding-left:25px}
 .wechat-item{grid-template-columns:118px minmax(0,1fr) 20px;gap:15px}.wechat-item img{width:118px;height:80px}.wechat-item strong{font-size:13px}.wechat-item small{font-size:11px}
 .wechat-group-heading{font-size:20px}.wechat-page .wechat-logic-title{font-size:3.55cqi}
}
@media(min-width:900px) and (max-height:800px){
 .wechat-page{padding-top:28px}.wechat-heading-row{margin-top:30px}.wechat-content-grid{margin-top:26px}
 .wechat-group+.wechat-group{margin-top:20px}.wechat-group-heading{margin-bottom:10px}.wechat-item{padding-block:8px}
 .wechat-idle{padding-top:25px}
}
@container section-window (max-width:800px){
 .wechat-content-grid{grid-template-columns:minmax(0,1fr);gap:30px}.wechat-logic{padding:27px 0 0;border-left:0;border-top:1px solid #6d625b26}
 .wechat-page .wechat-title{font-size:8cqi}.wechat-page .wechat-logic-title{font-size:6cqi}
 .wechat-heading-row{flex-wrap:wrap}.wechat-idle{padding-top:0}.wechat-idle svg{height:65px;margin-bottom:10px}
 .wechat-idle h4,.wechat-idle p{max-width:none}.wechat-item{grid-template-columns:150px minmax(0,1fr) 23px}.wechat-item img{width:150px;height:88px}.wechat-item strong{font-size:15px}
}
@container section-window (max-width:480px){
 .wechat-page{padding:26px 20px 30px}.wechat-heading-row{margin-top:28px;gap:18px}.wechat-page .wechat-title{font-size:9.2cqi}
 .wechat-subtitle{font-size:14px}.wechat-tabs{width:100%}.wechat-tabs button{flex:1;min-height:43px;padding:9px 14px;font-size:13px}
 .wechat-content-grid{margin-top:26px}.wechat-item{grid-template-columns:89px minmax(0,1fr) 18px;gap:12px;padding-right:8px}.wechat-item img{width:89px;height:85px}
 .wechat-item strong{font-size:12px;line-height:1.5}.wechat-item small{font-size:10px}.wechat-item-tag{font-size:10px;padding:3px 6px}.wechat-group-heading{font-size:19px;gap:12px}
 .wechat-page .wechat-logic-title{font-size:8cqi}.wechat-idle h4{font-size:20px}.wechat-idle p{font-size:14px}
}
@media(prefers-reduced-motion:reduce){.wechat-page *{transition:none!important}.wechat-item:hover .wechat-item-arrow{transform:none}}

/* Editorial refinement based on wechat_work_page_design.md. */
.wechat-content-grid{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);margin-top:40px}
.wechat-subtitle{margin-top:8px}.wechat-group+.wechat-group{margin-top:36px}
.wechat-item{background:transparent;border-color:transparent;box-shadow:none;transition:transform .24s cubic-bezier(.2,.8,.2,1),background-color .24s,border-color .24s}
.wechat-item:hover,.wechat-item[aria-pressed=true]{box-shadow:none;background:#fff3e84f;border-color:#ffc5ac88}
.wechat-item:hover{transform:translateX(4px)}.wechat-item img{transition:transform .24s cubic-bezier(.2,.8,.2,1)}.wechat-item:hover img{transform:scale(1.02)}
.wechat-page .wechat-logic-title{font-size:clamp(25px,3.1cqi,43px)}
.wechat-idle h4{white-space:pre-line}.wechat-selection{position:relative;margin-top:26px;min-height:310px}
.wechat-source-card{display:flex;flex-direction:column;gap:7px;padding:13px 16px;margin-bottom:20px;border:1px solid #ffbd9f70;border-radius:14px;background:#fffaf394;color:#090909;text-decoration:none;transition:background-color .2s}
.wechat-source-card:hover{background:#fff1e3}.wechat-source-label{color:#7b8b9e;font:500 10px/1.3 Inter,Arial,sans-serif;letter-spacing:.04em}
.wechat-source-card strong{font:600 14px/1.4 Inter,Arial,sans-serif}.wechat-source-action{font:600 12px/1.4 Inter,Arial,sans-serif;color:#ff432e}
.wechat-analysis-context{margin:0 0 13px;color:#7b8b9e;font:500 10px/1.4 Inter,Arial,sans-serif;letter-spacing:.04em}
.wechat-node-wrap{position:relative}.wechat-decision-node{display:grid;grid-template-columns:24px minmax(0,1fr) 18px;align-items:center;gap:11px;width:100%;min-height:70px;padding:12px 0;border:0;border-bottom:1px solid #74665514;background:transparent;text-align:left;color:#090909;cursor:pointer;transition:transform .2s}
.wechat-decision-node:hover,.wechat-decision-node[aria-expanded=true]{transform:translateX(3px)}
.wechat-node-number{align-self:start;margin-top:3px;color:#ff432e;font:500 11px/1.4 Inter,Arial,sans-serif}
.wechat-node-copy strong{display:block;font:700 14px/1.4 Inter,Arial,sans-serif}.wechat-node-copy>span{display:block;margin-top:4px;color:#748598;font:400 13px/1.4 Inter,Arial,sans-serif}
.wechat-node-chevron{font:400 18px/1.4 Inter,Arial,sans-serif}
.wechat-explanation-host{margin-top:18px}
.wechat-explanation{position:relative;padding:16px 18px;border:1px solid #ffc5ac;border-radius:14px;background:#fffaf5;animation:wechat-explanation-enter .2s ease-out}
.wechat-explanation[hidden]{display:none!important}.wechat-explanation h4{margin:0 0 5px;color:#ff432e;font:700 11px/1.3 Inter,Arial,sans-serif}.wechat-explanation h4:not(:first-child){margin-top:14px}.wechat-explanation p{margin:0;color:#66798b;font:400 13px/1.5 Inter,Arial,sans-serif}.wechat-explanation .wechat-evidence{margin-top:13px;font-size:10px;color:#7a8b9d}
.wechat-trust-connector{margin:14px auto 8px;color:#8c949a;text-align:center;font-size:20px}.wechat-trust-result{width:max-content;margin:0 auto;padding:11px 24px;border:1px solid #ff432e;border-radius:999px;color:#ff432e;font:700 14px/1.2 Inter,Arial,sans-serif}
.wechat-page .hero-portfolio{transition:transform .2s ease-out,box-shadow .2s,border-color .2s}.wechat-page .hero-portfolio:hover{transform:translateY(-2px);box-shadow:0 4px 12px #392b1608;border-color:#090909}
.wechat-source-card:focus-visible,.wechat-decision-node:focus-visible{outline:2px solid #ff432e;outline-offset:4px}
@keyframes wechat-explanation-enter{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@container section-window (max-width:1100px){.wechat-content-grid{margin-top:38px}.wechat-page .wechat-logic-title{font-size:3.15cqi}.wechat-item{gap:15px;grid-template-columns:118px minmax(0,1fr) 20px}.wechat-group+.wechat-group{margin-top:34px}}
@container section-window (max-width:800px){.wechat-content-grid{grid-template-columns:minmax(0,1fr)}.wechat-page .wechat-logic-title{font-size:6cqi}.wechat-item{grid-template-columns:150px minmax(0,1fr) 23px}}
@container section-window (max-width:480px){.wechat-page .wechat-logic-title{font-size:8cqi}.wechat-content-grid{margin-top:32px}.wechat-item{grid-template-columns:89px minmax(0,1fr) 18px;gap:12px}.wechat-explanation{padding:14px}}
@media(prefers-reduced-motion:reduce){.wechat-item:hover,.wechat-item:hover img,.wechat-decision-node:hover,.wechat-decision-node[aria-expanded=true],.wechat-page .hero-portfolio:hover{transform:none}.wechat-explanation{animation:wechat-explanation-fade .2s ease-out}}
@keyframes wechat-explanation-fade{from{opacity:0}to{opacity:1}}

/* Shared return control uses the existing #work navigation in both tabs. */
.wechat-utility-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.wechat-back-link{display:inline-flex;align-items:center;justify-content:center;gap:8px;box-sizing:border-box;min-height:42px;padding:10px 16px;border:1px solid #71809745;border-radius:999px;background:#fffdf866;color:#66798b;text-decoration:none;white-space:nowrap;font:600 11px/1.3 Inter,Arial,sans-serif;letter-spacing:.025em;transition:color .2s,border-color .2s,background-color .2s}
.wechat-back-link svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.wechat-back-link:focus-visible{outline:2px solid #ff432e;outline-offset:4px}
@media(hover:hover){.wechat-back-link:hover{color:#ff432e;border-color:#ffb49f;background:#fff0e8}}
@container section-window (max-width:640px){
 .wechat-page .work-utility{flex-wrap:wrap;gap:16px}
 .wechat-utility-actions{width:100%;justify-content:space-between;gap:12px}
}
@container section-window (max-width:480px){.wechat-back-link{min-height:38px;padding:9px 12px;font-size:10px}}
@media(prefers-reduced-motion:reduce){.wechat-back-link{transition:none}}