/* 六个业务详情页共用的样式，沿用首页品牌与排版。 */
.detail-intro { background: #f4f6f9; border-bottom: 1px solid var(--line); padding: 28px 0 52px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px 14px; font-size: .875rem; color: var(--muted); margin-bottom: 42px; }
.breadcrumbs a:hover { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.breadcrumbs [aria-current] { color: var(--navy); }
.detail-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 90px; align-items: center; }
.detail-intro h1 { color: var(--navy); font-size: clamp(2rem, 3.2vw, 3rem); margin: 18px 0; line-height: 1.4; }
.detail-lead { max-width: 820px; font-size: 1.0625rem; line-height: 1.95; color: var(--muted); }
.detail-contents { border-left: 1px solid #cdd8e5; padding-left: 30px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px 18px; }
.detail-contents p { grid-column: 1 / -1; color: #62718a; font-size: .875rem; margin-bottom: 8px; }
.detail-contents a { color: var(--navy); font-size: .875rem; padding: 7px 0; white-space: nowrap; }
.detail-contents a:hover { text-decoration: underline; text-underline-offset: 5px; }
.service-switcher-wrap { background: #fff; border-bottom: 1px solid var(--line); }
.service-switcher { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); }
.service-switcher a { display: flex; flex-direction: column; justify-content: center; min-height: 96px; padding: 16px; font-size: .875rem; border-bottom: 3px solid transparent; line-height: 1.6; }
.service-switcher a span { color: #7186a2; font-size: .75rem; margin-bottom: 6px; }
.service-switcher a:hover { background: #f4f7fb; color: var(--blue); }
.service-switcher a[aria-current="page"] { border-bottom-color: var(--blue); color: var(--blue); background: #eef3f9; font-weight: 600; }
.service-videos { padding: 58px 0 62px; border-bottom: 1px solid var(--line); background: #fff; }
.service-videos h2 { font-size: 1.875rem; margin: 10px 0 27px; }
.video-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.video-card { min-width: 0; border: 1px solid #dce3ec; background: #fff; }
.video-placeholder { aspect-ratio: 16 / 9; position: relative; display: grid; place-items: center; background: #f0f3f7; border-bottom: 1px solid #e1e7ef; }
.video-placeholder p { color: #64748a; font-size: .9375rem; letter-spacing: 1px; }
.video-slot-number { position: absolute; top: 16px; left: 18px; font-size: .75rem; letter-spacing: 1.6px; color: #7a8ca4; }
.video-caption { padding: 18px 20px; }
.video-caption h3 { font-size: 1rem; font-weight: 500; }
.video-caption p { margin-top: 8px; color: var(--muted); font-size: .9375rem; }
.service-video-player { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: #102236; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 60px; align-items: start; padding-block: 68px; }
.detail-sections { min-width: 0; }
.detail-section + .detail-section { margin-top: 54px; padding-top: 42px; border-top: 1px solid var(--line); }
.detail-section h2 { font-size: 1.875rem; margin-top: 10px; margin-bottom: 25px; }
.detail-section h3 { font-size: 1.0625rem; }
.detail-section p { line-height: 1.95; }
.detail-section .eyebrow { line-height: 1.5; }
.scope-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 25px; }
.scope-item { border-top: 2px solid #6f8fb7; padding-top: 19px; }
.item-number { color: #6d83a1; font-size: .875rem; font-variant-numeric: tabular-nums; }
.scope-item h3 { margin: 9px 0 12px; }
.scope-item p, .scene-row p, .process-list p { color: var(--muted); font-size: 1rem; }
.scene-row { display: grid; grid-template-columns: 155px minmax(0, 1fr); gap: 24px; padding: 20px 0; border-top: 1px solid #e5eaf1; }
.scene-row:first-child { border-top: 0; padding-top: 0; }
.section-intro { color: var(--muted); margin-top: -12px; margin-bottom: 18px; }
.deliverables-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 0; margin: 0; list-style: none; }
.deliverables-list li { background: #f3f6fa; border-left: 2px solid #6f8fb7; padding: 15px 18px; color: var(--ink); }
.scope-note { font-size: .875rem; color: #67768a; margin-top: 18px; }
.process-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 32px; list-style: none; padding: 0; margin: 0; }
.process-list li { display: flex; gap: 16px; align-items: flex-start; }
.process-list .item-number { border: 1px solid #c8d5e5; min-width: 35px; height: 35px; display: grid; place-items: center; }
.process-list h3 { margin: 1px 0 8px; }
.project-preparation { position: sticky; top: 130px; padding: 28px; background: #f3f6fa; border-top: 3px solid var(--navy); }
.project-preparation h2 { font-size: 1.5rem; margin: 13px 0; }
.project-preparation > p:not(.eyebrow) { color: var(--muted); font-size: .9375rem; }
.project-preparation ul { padding-left: 18px; margin: 20px 0 26px; color: #425775; font-size: .9375rem; }
.project-preparation li + li { margin-top: 15px; }
.preparation-link { width: 100%; color: #fff; background: var(--navy); padding-inline: 10px; }
.preparation-link:hover { background: #214a7b; }
.detail-bottom { background: #f4f6f9; border-top: 1px solid var(--line); padding: 35px 0; }
.detail-bottom p { color: var(--navy); font-weight: 600; margin-bottom: 14px; }
.detail-bottom nav { display: flex; flex-wrap: wrap; gap: 12px 28px; }
.detail-bottom a { font-size: .9375rem; padding: 6px 0; color: #46658b; text-decoration: underline; text-underline-offset: 5px; }
@media (max-width: 1120px) {
  .video-grid { gap: 18px; }
  .detail-hero-grid { gap: 45px; }
  .detail-layout { grid-template-columns: minmax(0, 1fr) 250px; gap: 35px; }
  .scope-grid { grid-template-columns: 1fr; gap: 24px; }
  .scope-item { display: grid; grid-template-columns: 30px 1fr; gap: 7px 12px; }
  .scope-item h3 { margin: 0; }
  .scope-item p { grid-column: 2; }
  .service-switcher a { padding-inline: 10px; }
  .process-list { grid-template-columns: 1fr; }
}
@media (max-width: 800px) {
  .video-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-videos { padding-block: 42px; }
  .detail-hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .detail-contents { border: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 12px 25px; }
  .detail-contents p { display: none; }
  .detail-contents a { border-bottom: 1px solid #a6b8cf; }
  .service-switcher { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .service-switcher a { min-height: 82px; }
  .detail-layout { grid-template-columns: 1fr; padding-block: 48px; gap: 45px; }
  .project-preparation { position: static; }
  .breadcrumbs { margin-bottom: 30px; }
}
@media (max-width: 640px) {
  .video-grid { grid-template-columns: 1fr; gap: 20px; }
  .service-videos { padding-block: 36px; }
  .service-videos h2 { font-size: 1.6rem; margin-bottom: 23px; }
  .detail-intro { padding: 24px 0 34px; }
  .detail-intro h1 { font-size: 2rem; }
  .detail-lead { font-size: 1rem; }
  .detail-contents { gap: 7px 23px; }
  .detail-contents a { padding-block: 10px; }
  .service-switcher { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-switcher a { padding: 12px; min-height: 80px; }
  .detail-layout { padding-block: 38px; }
  .detail-section + .detail-section { margin-top: 38px; padding-top: 32px; }
  .detail-section h2 { font-size: 1.6rem; margin-bottom: 22px; }
  .scene-row { grid-template-columns: 1fr; gap: 8px; padding-block: 18px; }
  .deliverables-list { grid-template-columns: 1fr; }
  .project-preparation { padding: 25px; }
  .detail-bottom nav { gap: 10px 22px; }
}