/* 创始人IP增长产品地图 · 样式
 * 复用主题变量（--brand/--line/--paper/--paper-solid/--muted/--font-*），高级克制、有呼吸感。
 * PC ≥900px：01+02 两列对照、03 通栏；移动端全部纵向。
 * 中文正文字体沿用页面体系（含 Microsoft YaHei）；正文 ≥15px，辅助信息 ≥14px。 */
.ipmd { margin-top: 34px; padding-top: 8px; }
.ipmd-decision { margin-top: 28px; padding: 0; border: 0; border-radius: 0; background: transparent; }
.ipmd-decision h2 { margin: 8px 0 8px; font-size: clamp(22px, 2.5vw, 30px); line-height: 1.35; }
.ipmd-decision-intro { max-width: 720px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.ipmd-service-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 20px; }
.ipmd-service-card { padding: 18px 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper-solid); }
.ipmd-service-card--strong { border-color: color-mix(in srgb, var(--brand) 48%, var(--line)); box-shadow: 0 10px 26px color-mix(in srgb, var(--brand) 9%, transparent); }
.ipmd-service-title { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.ipmd-service-card h3 { margin: 0; font-size: 19px; line-height: 1.45; }
.ipmd-service-price { color: var(--brand); font-size: 14px; font-weight: 800; white-space: nowrap; }
.ipmd-service-badge { display: inline-flex; margin: 8px 0 12px; padding: 4px 9px; border-radius: 999px; color: var(--brand); background: color-mix(in srgb, var(--brand) 9%, var(--paper-solid)); font-size: 14px; line-height: 1.4; }
.ipmd-service-list { display: grid; grid-template-columns: auto 1fr; gap: 7px 12px; margin: 0; font-size: 14px; line-height: 1.65; }
.ipmd-service-list dt { color: var(--brand); font-weight: 800; white-space: nowrap; }
.ipmd-service-list dd { margin: 0; color: var(--muted); }
.ipmd-decision-note { margin: 16px 0 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.ipmd-service-actions { justify-content: flex-start; margin: 18px 0 0; }
.ipmd-service-actions .ip-button { min-width: 170px; }
.ipmd-transition { padding: 6px 4px 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.ipmd-transition p { margin: 0; }
.ipmd-transition-strong { color: var(--ink); font-weight: 650; margin-top: 4px !important; }

.ipmd-head { margin-top: 30px; padding-top: 26px; border-top: 1px solid var(--line); }
.ipmd-eyebrow { color: var(--brand); font-weight: 800; letter-spacing: .08em; font-size: 14px; }
.ipmd-head h2 { margin: 10px 0 12px; font-size: clamp(26px, 3vw, 34px); line-height: 1.3; letter-spacing: -.01em; }
.ipmd-sub { margin: 0; color: var(--ink); font-size: clamp(16px, 1.6vw, 18px); line-height: 1.7; font-weight: 600; }
.ipmd-aux { margin: 8px 0 0; color: var(--muted); font-size: 15px; line-height: 1.7; }

.ipmd-stages { display: grid; grid-template-columns: 1fr; gap: 20px; margin-top: 26px; }
.ipmd-map-details { margin-top: 28px; }
.ipmd-map-details > summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 15px; color: var(--brand); background: var(--paper); font-weight: 800; cursor: pointer; list-style: none; }
.ipmd-map-details > summary::-webkit-details-marker { display: none; }
.ipmd-map-details > summary::after { content: '＋'; font-size: 20px; font-weight: 500; }
.ipmd-map-details[open] > summary::after { content: '−'; }
.ipmd-map-details > summary small { margin-left: auto; color: var(--muted); font-size: 14px; font-weight: 500; }
.ipmd-map-details[open] .ipmd-stages { animation: ipmd-reveal .2s ease-out; }
.ipmd-stage { border: 1px solid var(--line); border-radius: 20px; background: var(--paper); padding: clamp(20px, 2.6vw, 30px); }
.ipmd-stage-head h3 { margin: 6px 0 0; font-size: clamp(20px, 2vw, 24px); line-height: 1.35; }
.ipmd-stage-no { color: var(--brand); font-weight: 850; font-size: 15px; letter-spacing: .12em; }
.ipmd-stage-tag { margin: 4px 0 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.ipmd-stage-fit { margin: 10px 0 0; padding: 10px 14px; border-radius: 12px; background: color-mix(in srgb, var(--brand) 6%, var(--paper-solid)); color: var(--ink); font-size: 14px; line-height: 1.7; }

.ipmd-products { list-style: none; margin: 18px 0 0; padding: 0; }
.ipmd-product { border-top: 1px solid var(--line); }
.ipmd-product:first-child { border-top: 0; }
.ipmd-product-row { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 13px 2px; }
.ipmd-product-name { font-size: 17px; font-weight: 700; line-height: 1.55; }
.ipmd-product-price { color: var(--brand); font-weight: 750; font-size: 15px; white-space: nowrap; }

.ipmd [hidden]{display:none!important}
.ipmd-product-detail:not([hidden]){animation:ipmd-reveal .2s ease-out}
@keyframes ipmd-reveal{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.ipmd-detail-inner { padding: 2px 2px 16px; }
.ipmd-pair { display: grid; grid-template-columns: 1fr; gap: 10px; }
.ipmd-problem, .ipmd-result { border-radius: 12px; padding: 12px 14px; }
.ipmd-problem { background: color-mix(in srgb, var(--ink) 5%, var(--paper-solid)); }
.ipmd-result { background: color-mix(in srgb, var(--brand) 8%, var(--paper-solid)); }
.ipmd-problem h4, .ipmd-result h4, .ipmd-extras h4 { margin: 0 0 4px; font-size: 14px; font-weight: 750; letter-spacing: .04em; color: var(--muted); }
.ipmd-result h4 { color: var(--brand); }
.ipmd-problem p, .ipmd-result p { margin: 0; font-size: 15px; line-height: 1.7; color: var(--ink); }
.ipmd-note { margin: 10px 2px 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.ipmd-extras { margin-top: 10px; padding: 10px 14px; border: 1px dashed var(--line); border-radius: 12px; }
.ipmd-extras ul { margin: 4px 0 0; padding-left: 18px; color: var(--muted); font-size: 14px; line-height: 1.75; }

.ipmd-toggle-row { display: flex; justify-content: center; margin-top: 26px; }
.ipmd-toggle { min-width: 220px; }

.ipmd-cta { margin-top: 34px; padding: clamp(22px, 3vw, 32px); border: 1px solid var(--line); border-radius: 20px;
  background: color-mix(in srgb, var(--brand) 5%, var(--paper)); text-align: center; }
.ipmd-cta h3 { margin: 0; font-size: clamp(19px, 2vw, 22px); }
.ipmd-cta > p { margin: 10px auto 0; max-width: 560px; color: var(--muted); font-size: 15px; line-height: 1.75; }
.ipmd-cta-actions { display: flex; justify-content: center; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 20px; }

/* PC：01 + 02 两列对照，03（最后一个）通栏。 */
@media (min-width: 900px) {
  .ipmd-stages { grid-template-columns: 1fr 1fr; align-items: start; }
  .ipmd-stage--deep { grid-column: 1 / -1; }
  .ipmd-pair { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .ipmd-product-detail { transition: none; }
}

.ipmd-stage-title{display:flex;align-items:center;justify-content:space-between;gap:12px}
.ipmd-stage-title h3{margin:0;min-width:0}
.ipmd-list-toggle{flex-shrink:0;border:1px solid var(--line);border-radius:999px;background:var(--paper-solid);color:var(--brand);font:inherit;font-size:14px;padding:8px 12px;min-height:44px;cursor:pointer}
.ipmd-product-row{width:100%;min-height:48px;border:0;background:transparent;color:var(--ink);font:inherit;text-align:left;cursor:pointer;align-items:center;flex-wrap:wrap;gap:4px 12px}
.ipmd-product-name{flex:1;min-width:180px}
.ipmd-product-name::after{content:' ＋';color:var(--brand);font-size:14px;white-space:nowrap}
.ipmd-product-row[aria-expanded="true"] .ipmd-product-name::after{content:' −'}
.ipmd-list-toggle:hover,.ipmd-product-row:hover{background:color-mix(in srgb,var(--brand) 6%,var(--paper-solid))}
.ipmd button:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.ipmd-cta .ip-report-actions{justify-content:center;margin:22px 0 12px}
.ipmd-delivery-title{margin:20px 0 8px;font-size:16px;color:var(--ink)}
.ipmd-deliverables{margin:0;padding-left:24px;font-size:16px;line-height:1.7;color:var(--ink)}
.ipmd-deliverables li+li{margin-top:8px}
.ipmd-support-hook{margin:24px 0 8px;font-size:16px;line-height:1.7;color:var(--muted)}
.ipmd-save-actions{display:flex;justify-content:center;margin-top:20px}
.ipmd-cta > h3 { font-size:16px; font-weight:400; }
.ipmd-save-actions .ip-button{width:100%;max-width:440px}
@media(max-width:760px){.ipmd-service-grid{grid-template-columns:1fr}.ipmd-service-actions{display:grid;grid-template-columns:1fr}.ipmd-service-actions .ip-button{width:100%}.ipmd-map-details > summary{align-items:flex-start;flex-wrap:wrap}.ipmd-map-details > summary small{width:100%;margin-left:0}}
@media(max-width:480px){.ipmd-service-title{display:block}.ipmd-service-price{display:block;margin-top:3px}}
@media(max-width:600px){.ipmd-stage{padding:18px}.ipmd-stage-title h3{font-size:20px}}
@media(prefers-reduced-motion:reduce){.ipmd-product-detail:not([hidden]){animation:none}}