.wp-overview{padding-block:58px;border-bottom:1px solid var(--line)}
.wp-overview h2,.wp-method h2,.wp-others h2,.wp-choice h2{font-size:32px;line-height:1.65;margin:15px 0 20px}
.wp-intro{font:15px/2.1 var(--detail);max-width:800px;color:var(--muted)}
.wp-method-links{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}
.wp-method-link{display:grid;grid-template-columns:1fr 90px;align-items:center;gap:22px;border:1px solid var(--line);border-top:4px solid var(--orange);border-radius:10px;padding:26px;transition:background .2s}
.wp-method-link:hover{background:#f3f5f7}.wp-method-link small{font:12px/1.8 var(--detail);color:var(--brown)}.wp-method-link strong{font-size:25px;color:var(--navy);line-height:1.6;display:block;margin:7px 0 12px}.wp-method-link p{font:13px/1.9 var(--detail);color:var(--muted)}.wp-method-link .wp-more{display:block;margin-top:16px;font-size:12px;color:var(--navy)}.wp-method-link svg{width:90px;height:90px}
.wp-method{padding-block:66px;border-bottom:1px solid var(--line)}
.wp-method-heading{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:start}
.wp-method .wp-tag{display:inline-block;border-radius:4px;padding:6px 12px;background:#f8f1e2;color:var(--brown);font:700 12px/1.8 var(--detail);margin-bottom:14px}
.wp-method h2{font-size:34px}.wp-method h2 small{font:14px/1.8 var(--detail);display:block;color:var(--muted);margin-top:7px}
.wp-diagram{margin:0;padding:27px;background:#f1f4f7;border-radius:10px;border:1px solid var(--line);min-width:0}
.wp-diagram-title{font:700 14px/1.7 var(--detail);color:var(--navy);margin-bottom:22px}
.wp-layer{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 18px;margin-top:7px;border-radius:5px;color:white;background:var(--navy);font:700 13px/1.7 var(--detail)}
.wp-layer span{font-size:11px;font-weight:400}.wp-layer.top{background:var(--orange);color:var(--navy)}.wp-layer.bond{background:var(--brown)}.wp-layer.base{color:var(--navy);background:#d8e0e9}.wp-layer.vent{background:white;color:var(--navy);border:2px dashed #64768e}
.wp-diagram figcaption{font:11px/1.9 var(--detail);color:var(--muted);margin-top:17px}
.wp-points{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:30px 0}
.wp-point{padding:23px;border-left:3px solid var(--orange);background:#fafafa}.wp-point h3{font-size:19px;line-height:1.6;margin-bottom:12px}.wp-point p{font:14px/2 var(--detail);color:var(--muted)}
.wp-process-title{font-size:23px;margin:34px 0 20px}.wp-process{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:0;margin:0;counter-reset:wpstep}
.wp-process li{border:1px solid var(--line);border-radius:7px;padding:23px;counter-increment:wpstep;position:relative}.wp-process li:before{content:'0' counter(wpstep);display:block;font:700 13px/1.5 var(--detail);color:var(--brown);margin-bottom:13px}.wp-process strong{display:block;color:var(--navy);font-size:17px;margin-bottom:9px}.wp-process p{font:13px/2 var(--detail);color:var(--muted)}
.wp-note{font:13px/2 var(--detail);background:#f1f4f7;padding:20px 24px;margin-top:25px;border-radius:6px}
.wp-types{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}.wp-types article{padding:26px;border:1px solid var(--line);border-radius:8px}.wp-types h3{font-size:23px;margin-bottom:13px}.wp-types p{font:14px/2 var(--detail);color:var(--muted)}.wp-types .wp-type-label{display:block;color:var(--brown);font:700 11px/1.8 var(--detail);margin-bottom:9px}
.wp-others,.wp-choice{padding-block:62px;border-bottom:1px solid var(--line)}.wp-other-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}.wp-other{padding:29px;border-radius:8px;border:1px solid var(--line);border-top:4px solid var(--navy)}.wp-other h3{font-size:23px;line-height:1.6;margin:10px 0 14px}.wp-other p{font:14px/2 var(--detail);color:var(--muted)}.wp-other .wp-other-label{font:12px/1.8 var(--detail);color:var(--brown)}.wp-other dl{font:13px/2 var(--detail);margin:18px 0 0}.wp-other dt{color:var(--navy);font-weight:700}.wp-other dd{margin:3px 0 12px;color:var(--muted)}
.wp-table-wrap{margin-top:28px;overflow-x:auto;border:1px solid var(--line);border-radius:8px}.wp-table{width:100%;border-collapse:collapse;font:13px/1.9 var(--detail);min-width:610px;text-align:left}.wp-table caption{text-align:left;padding:18px 22px;font-weight:700;color:var(--navy)}.wp-table th,.wp-table td{padding:17px 21px;border-top:1px solid var(--line);vertical-align:top}.wp-table thead{background:var(--navy);color:white}.wp-table tbody th{color:var(--navy);width:28%}.wp-table td{color:var(--muted)}.wp-table tr:nth-child(even){background:#f7f8fa}.wp-table thead tr{background:var(--navy)}
.wp-small{font:12px/1.9 var(--detail);color:var(--muted);margin-top:12px}.wp-table-help{display:none}.wp-select-callout{margin-top:30px;display:flex;gap:24px;align-items:center;background:var(--navy);color:white;border-radius:9px;padding:27px}.wp-select-callout p{font:14px/2 var(--detail);flex:1}.wp-select-callout strong{display:block;font-size:18px;margin-bottom:6px}.wp-select-callout .button{flex-shrink:0}.wp-reference{font:12px/2 var(--detail);color:var(--muted);margin-top:30px}.wp-reference summary{cursor:pointer}.wp-reference a{text-decoration:underline;text-underline-offset:3px;margin-right:15px;display:inline-block}
@media(max-width:800px){.wp-method-heading{grid-template-columns:1fr;gap:28px}.wp-process,.wp-points{grid-template-columns:1fr 1fr}.wp-points .wp-point:last-child{grid-column:1/-1}.wp-method-link{grid-template-columns:1fr}.wp-method-link svg{display:none}.wp-select-callout{display:block}.wp-select-callout .button{margin-top:18px}.wp-method h2{font-size:29px}}
@media(max-width:580px){.wp-overview,.wp-method,.wp-others,.wp-choice{padding-block:42px}.wp-method-links,.wp-other-grid,.wp-types,.wp-points,.wp-process{grid-template-columns:1fr;gap:17px}.wp-method-link{grid-template-columns:1fr 64px;padding:22px}.wp-method-link svg{display:block;width:64px;height:64px}.wp-method-link strong{font-size:24px}.wp-overview h2,.wp-method h2,.wp-others h2,.wp-choice h2{font-size:26px}.wp-intro{font-size:14px}.wp-diagram{padding:22px}.wp-layer{padding:12px;font-size:12px;flex-wrap:wrap;gap:3px 10px}.wp-points .wp-point:last-child{grid-column:auto}.wp-other,.wp-types article{padding:23px}.wp-table-help{display:block}.wp-select-callout{padding:24px}.wp-select-callout .button{width:100%;font-size:12px}.wp-note{padding:19px}}