/* ============================================================
   五量度 · about-capability 页 Apple 流体视觉层（2026-11-05）
   依赖 home-apple.css 的 .ah 设计令牌与通用组件（body 同时挂 ah / cappage）。
   区块：首屏 / 四大作业面 / 真实案例 / 五步 SOP / 工程师网络 /
         配件保障与适用边界 / 品牌识别 / FAQ / 相关页面
   设计基线：8pt 间距、统一阴影层级、WCAG AA 文本对比、44px 触控目标
   ============================================================ */

/* 本页局部加深辅助文字色，保证小字号 ≥ 4.5:1 */
.cappage { --ah-ink-3: #5c6b7e; }
.cappage a:focus-visible,
.cappage button:focus-visible,
.cappage summary:focus-visible { outline: 2px solid var(--ah-brand); outline-offset: 3px; }

/* ============ 首屏：竖版主图 + 玻璃卡 ============ */
.cappage .ah-stage-photo { aspect-ratio: 3 / 4; border-radius: 28px; }
.cappage .ah-stage-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 28%; display: block; }
.cappage .ah-glass { width: min(310px, 88%); padding-bottom: 16px; }
.cappage .ah-glass-addr { margin: 10px 0 0; font-size: 12.5px; line-height: 1.7; color: var(--ah-ink-2); }
.cappage .ah-glass-addr b { color: var(--ah-ink); }
.cappage .ah-badge-live { left: auto; right: 16px; }

/* ============ 四大作业面：大图 + 2×2 要点卡 ============ */
.cap-work { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(20px, 2.6vw, 36px); align-items: stretch; }
.cap-work-fig { position: relative; overflow: hidden; border-radius: 24px; background: #e7eef4; box-shadow: var(--ah-shadow-1); min-height: 100%; }
.cap-work-fig img { width: 100%; height: 100%; min-height: 330px; object-fit: cover; display: block; transition: transform 1.1s var(--ah-ease); }
.cap-work-fig:hover img { transform: scale(1.04); }
.cap-work-fig::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,24,38,0) 48%, rgba(6,24,38,.72) 100%); }
.cap-work-fig-cap { position: absolute; z-index: 2; left: 22px; right: 22px; bottom: 18px; color: #fff; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; }
.cap-work-fig-cap b { font-size: 17px; letter-spacing: -.01em; }
.cap-work-fig-cap span { font-size: 12.5px; color: rgba(255,255,255,.86); }

.cap-work-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.cap-work-card {
  position: relative; padding: 20px 18px 18px; border-radius: 20px; overflow: hidden;
  background: #fff; border: 1px solid var(--ah-line); box-shadow: var(--ah-shadow-1);
  transition: transform .55s var(--ah-spring), box-shadow .45s, border-color .3s;
}
.cap-work-card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(260px 170px at var(--mx, 100%) var(--my, 0%), rgba(22,166,199,.16), transparent 72%);
}
.cap-work-card:hover { transform: translateY(-5px); box-shadow: var(--ah-shadow-2); border-color: rgba(22,166,199,.32); }
.cap-num {
  display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: .08em;
  color: var(--ah-brand-deep); background: rgba(22,166,199,.10);
  padding: 4px 10px; border-radius: 999px;
}
.cap-work-card h3 { position: relative; margin: 12px 0 6px; font-size: 16.5px; line-height: 1.35; color: var(--ah-ink); }
.cap-work-card p { position: relative; margin: 0; font-size: 13.5px; line-height: 1.78; color: var(--ah-ink-2); }

/* ============ 两个真实案例 ============ */
.cap-cases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.cap-case {
  display: flex; align-items: flex-start; gap: 18px; padding: 22px;
  border-radius: 22px; text-decoration: none; overflow: hidden; position: relative;
  background: #fff; border: 1px solid var(--ah-line); box-shadow: var(--ah-shadow-1);
  transition: transform .55s var(--ah-spring), box-shadow .45s, border-color .3s;
}
.cap-case::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: linear-gradient(180deg, var(--ah-brand), #4ecdc4); }
.cap-case:hover { transform: translateY(-5px); box-shadow: var(--ah-shadow-2); border-color: rgba(22,166,199,.32); }
.cap-case-pic { flex: 0 0 116px; width: 116px; height: 116px; border-radius: 16px; overflow: hidden; background: #e7eef4; }
.cap-case-pic img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 1s var(--ah-ease); }
.cap-case:hover .cap-case-pic img { transform: scale(1.06); }
.cap-case-body { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; }
.cap-case-tag { font-size: 12px; font-weight: 700; color: var(--ah-brand-deep); letter-spacing: .02em; }
.cap-case-body b { display: block; margin-top: 6px; font-size: clamp(16px, 1.7vw, 19px); line-height: 1.3; color: var(--ah-ink); }
.cap-case-desc { display: block; margin-top: 8px; font-size: 13.5px; line-height: 1.75; color: var(--ah-ink-2); }
.cap-case-cta { display: inline-block; margin-top: 14px; font-size: 13px; font-weight: 700; color: var(--ah-brand-deep); }
.cap-case-cta i { font-style: normal; transition: transform .4s var(--ah-spring); display: inline-block; }
.cap-case:hover .cap-case-cta i { transform: translateX(5px); }
.cap-note { margin: 18px 0 0; font-size: 13px; line-height: 1.85; color: var(--ah-ink-2); }
.cap-note a { color: var(--ah-brand-deep); text-decoration: underline; text-underline-offset: 3px; }

/* ============ 五步 SOP：横向轨道，滚动填充 ============ */
.cap-steps { position: relative; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; margin: 10px 0 0; }
.cap-steps-track { position: absolute; left: 10%; right: 10%; top: 26px; height: 3px; border-radius: 3px; background: var(--ah-line); overflow: hidden; }
.cap-steps-track i {
  display: block; height: 100%; width: calc(var(--p, 0) * 100%);
  background: linear-gradient(90deg, var(--ah-brand), #4ecdc4 70%, var(--ah-accent));
  transition: width .15s linear;
}
.cap-step { text-align: center; opacity: 0; transform: translateY(22px); transition: opacity .65s var(--ah-ease), transform .65s var(--ah-spring); }
.cap-step.in { opacity: 1; transform: none; }
.cap-step-num {
  position: relative; z-index: 2; display: flex; align-items: center; justify-content: center;
  width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 50%;
  background: #fff; border: 3px solid var(--ah-line); font-size: 15px; font-weight: 800; color: var(--ah-ink-3);
  box-shadow: 0 4px 14px rgba(10,30,55,.06); transition: all .45s var(--ah-spring);
}
.cap-step.in .cap-step-num {
  border-color: var(--ah-brand); color: #fff; background: var(--ah-brand);
  box-shadow: 0 0 0 6px rgba(22,166,199,.14), 0 8px 20px rgba(10,30,55,.12);
}
.cap-step h3 { margin: 0 0 7px; font-size: 16px; color: var(--ah-ink); }
.cap-step p { margin: 0; font-size: 13px; line-height: 1.75; color: var(--ah-ink-2); }

/* 交付留痕：图文左右 */
.cap-deliver {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: clamp(20px, 3vw, 44px); align-items: center; margin-top: clamp(36px, 4vw, 60px);
  padding: 18px; border-radius: 26px; background: #fff; border: 1px solid var(--ah-line); box-shadow: var(--ah-shadow-1);
}
.cap-deliver > img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 18px; display: block; }
.cap-deliver-copy { padding: 8px 14px 8px 0; }
.cap-deliver-copy h3 { margin: 12px 0 10px; font-size: clamp(19px, 2.2vw, 25px); line-height: 1.35; color: var(--ah-ink); }
.cap-deliver-copy p { margin: 0 0 14px; font-size: 14px; line-height: 1.82; color: var(--ah-ink-2); }

/* ============ 工程师网络：3 实景 + 1 数据卡 ============ */
.cap-net { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.cap-net-cell {
  position: relative; overflow: hidden; border-radius: 20px; background: #e7eef4;
  box-shadow: var(--ah-shadow-1); min-height: 300px;
  transition: transform .55s var(--ah-spring), box-shadow .45s;
}
.cap-net-cell:hover { transform: translateY(-5px); box-shadow: var(--ah-shadow-2); }
.cap-net-cell > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 1.1s var(--ah-ease); }
.cap-net-cell:hover > img { transform: scale(1.05); }
.cap-net-cell::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,24,38,0) 38%, rgba(6,24,38,.82) 100%); }
.cap-net-cap { position: absolute; z-index: 2; left: 16px; right: 16px; bottom: 16px; color: #fff; display: block; }
.cap-net-cap b { display: block; font-size: 15.5px; letter-spacing: -.01em; }
.cap-net-cap span { display: block; margin-top: 6px; font-size: 12.5px; line-height: 1.7; color: rgba(255,255,255,.9); }
.cap-net-cell--data {
  padding: 24px 20px; display: flex; flex-direction: column; align-items: flex-start;
  background: linear-gradient(150deg, var(--ah-brand-deep), #0a2438); color: #fff;
}
.cap-net-cell--data::after { display: none; }
.cap-net-kicker { font-size: 12px; font-weight: 700; letter-spacing: .12em; color: rgba(255,255,255,.75); }
.cap-net-cell--data > b { display: block; margin-top: 12px; font-size: clamp(46px, 5vw, 68px); line-height: 1; font-weight: 800; }
.cap-net-big { display: block; margin-top: 6px; font-size: 13px; color: rgba(255,255,255,.9); }
.cap-net-cell--data p { margin: 14px 0 0; font-size: 12.5px; line-height: 1.75; color: rgba(255,255,255,.82); }
.cap-net-cell--data .ah-link { margin-top: auto; padding-top: 14px; color: #fff; }

/* ============ 配件保障 / 适用边界 双栏 ============ */
.cap-guard { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.cap-panel {
  padding: clamp(24px, 3vw, 34px); border-radius: 24px;
  background: #fff; border: 1px solid var(--ah-line); box-shadow: var(--ah-shadow-1);
}
.cap-panel h2 { margin: 12px 0 16px; font-size: clamp(21px, 2.4vw, 28px); line-height: 1.3; color: var(--ah-ink); }
.cap-panel > p { margin: 0 0 14px; font-size: 14px; line-height: 1.8; color: var(--ah-ink-2); }
.cap-checks { list-style: none; margin: 0; padding: 0; }
.cap-checks li {
  position: relative; padding: 0 0 0 26px; margin: 0 0 12px;
  font-size: 13.5px; line-height: 1.78; color: var(--ah-ink-2);
}
.cap-checks li::before {
  content: ""; position: absolute; left: 0; top: 7px; width: 15px; height: 15px;
  border-radius: 50%; background: rgba(22,166,199,.14); border: 2px solid var(--ah-brand);
}
.cap-checks li::after {
  content: ""; position: absolute; left: 5px; top: 11px; width: 6px; height: 3px;
  border-left: 2px solid var(--ah-brand-deep); border-bottom: 2px solid var(--ah-brand-deep);
  transform: rotate(-45deg);
}
.cap-panel-fig { display: flex; align-items: center; gap: 14px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--ah-line); }
.cap-panel-fig img { width: 132px; height: 100px; object-fit: cover; border-radius: 14px; display: block; }
.cap-panel-fig span { font-size: 12.5px; color: var(--ah-ink-3); }
.cap-panel--dark { background: linear-gradient(150deg, #103a56, #0a2438); border-color: rgba(255,255,255,.12); color: #fff; }
.cap-panel--dark .ah-kicker { color: rgba(255,255,255,.75); }
.cap-panel--dark .ah-kicker::before, .cap-panel--dark .ah-kicker::after { background: rgba(255,255,255,.5); }
.cap-panel--dark h2 { color: #fff; }
.cap-panel--dark > p { color: rgba(255,255,255,.84); }
.cap-panel--dark .cap-checks li { color: rgba(255,255,255,.86); }
.cap-panel--dark .cap-checks li::before { background: rgba(255,255,255,.12); border-color: #4ecdc4; }
.cap-panel--dark .cap-checks li::after { border-color: #4ecdc4; }

/* ============ 深色品牌识别 ============ */
.cap-brand {
  position: relative; display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(24px, 3.4vw, 52px); align-items: center; padding: clamp(28px, 3.6vw, 52px);
  border-radius: 28px; overflow: hidden; color: #fff;
  background: linear-gradient(135deg, var(--ah-brand-deep), #0a2438);
}
.cap-brand::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(420px 240px at 12% 0%, rgba(78,205,196,.30), transparent 60%),
              radial-gradient(360px 220px at 100% 100%, rgba(244,167,44,.18), transparent 60%);
}
.cap-brand-card {
  position: relative; display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 30px; border-radius: 22px; background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.cap-brand-card img {
  width: auto; height: 104px; padding: 20px 24px; border-radius: 18px;
  background: linear-gradient(180deg, #ffffff, #f2f8fb);
  box-shadow: 0 16px 38px rgba(3,20,34,.42), inset 0 0 0 1px rgba(11,42,64,.06);
}
.cap-brand-name { margin: 16px 0 0; font-size: 20px; font-weight: 800; }
.cap-brand-tag { margin: 6px 0 0; font-size: 13px; color: rgba(255,255,255,.82); }
.cap-brand-side { position: relative; }
.cap-brand-side .ah-kicker { color: rgba(255,255,255,.76); }
.cap-brand-side .ah-kicker::before, .cap-brand-side .ah-kicker::after { background: rgba(255,255,255,.5); }
.cap-brand-side h2 { margin: 14px 0 0; font-size: clamp(24px, 3vw, 36px); line-height: 1.28; color: #fff; }
.cap-brand-side p { margin: 14px 0 0; font-size: 15px; line-height: 1.82; color: rgba(255,255,255,.86); }
.cap-brand-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.cap-brand-chips span { font-size: 12.5px; padding: 7px 14px; border-radius: 999px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2); color: #fff; }

/* ============ 相关页面 / 延伸阅读 ============ */
.cap-sib { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin: 8px 0 0; }
.cap-sib a {
  display: flex; flex-direction: column; gap: 6px; padding: 18px; border-radius: 16px;
  background: #fff; border: 1px solid var(--ah-line); box-shadow: 0 1px 2px rgba(10,30,55,.03);
  text-decoration: none; transition: transform .5s var(--ah-spring), box-shadow .4s, border-color .3s;
}
.cap-sib a:hover { transform: translateY(-4px); box-shadow: var(--ah-shadow-2); border-color: rgba(22,166,199,.32); }
.cap-sib b { font-size: 15px; color: var(--ah-ink); }
.cap-sib span { font-size: 12.5px; color: var(--ah-brand-deep); }
.cap-links { margin-top: 30px; padding: 26px 28px; border-radius: 22px; background: var(--ah-paper-2); border: 1px solid var(--ah-line); }
.cap-links h3 { margin: 0 0 12px; font-size: 17px; color: var(--ah-ink); }
.cap-links ul { margin: 0; padding-left: 20px; columns: 2; column-gap: 34px; }
.cap-links li { margin: 0 0 9px; font-size: 13.5px; line-height: 1.75; color: var(--ah-ink-2); break-inside: avoid; }
.cap-links a { color: var(--ah-brand-deep); text-decoration: underline; text-underline-offset: 3px; }
.cap-links-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }

/* ============ 响应式 ============ */
@media (max-width: 1080px) {
  .cap-work { grid-template-columns: minmax(0, 1fr); }
  .cap-work-fig img { min-height: 260px; }
  .cap-net { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cap-net-cell { min-height: 260px; }
  .cap-sib { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cap-brand { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 820px) {
  .cap-cases { grid-template-columns: minmax(0, 1fr); }
  .cap-guard { grid-template-columns: minmax(0, 1fr); }
  .cap-deliver { grid-template-columns: minmax(0, 1fr); }
  .cap-deliver-copy { padding: 6px 6px 10px; }
  .cap-steps { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .cap-steps-track { left: 26px; right: auto; top: 26px; bottom: 26px; width: 3px; height: auto; }
  .cap-steps-track i { width: 100%; height: calc(var(--p, 0) * 100%); }
  .cap-step { display: grid; grid-template-columns: 54px minmax(0, 1fr); gap: 0 16px; text-align: left; padding: 0 0 28px; }
  .cap-step:last-child { padding-bottom: 0; }
  .cap-step-num { grid-column: 1; grid-row: 1 / span 2; margin: 0; }
  .cap-step h3 { grid-column: 2; margin: 2px 0 6px; }
  .cap-step p { grid-column: 2; }
  .cap-links ul { columns: 1; }
}
@media (max-width: 620px) {
  .cappage .ah-stage-photo { border-radius: 20px; }
  .cap-work-grid { grid-template-columns: minmax(0, 1fr); }
  .cap-net { grid-template-columns: minmax(0, 1fr); }
  .cap-net-cell { min-height: 230px; }
  .cap-sib { grid-template-columns: minmax(0, 1fr); }
  .cap-case { gap: 14px; padding: 18px; }
  .cap-case-pic { flex: 0 0 88px; width: 88px; height: 88px; }
  .cap-links { padding: 20px 18px; }
}

/* ============ 无障碍：减弱动效 ============ */
@media (prefers-reduced-motion: reduce) {
  .cap-work-card, .cap-case, .cap-net-cell, .cap-sib a, .cap-step, .cap-step-num,
  .cap-work-fig img, .cap-case-pic img, .cap-net-cell > img { transition-duration: .001ms !important; }
  .cap-step { opacity: 1 !important; transform: none !important; }
  .cap-step-num { border-color: var(--ah-brand) !important; color: #fff !important; background: var(--ah-brand) !important; }
  .cap-steps-track i { width: 100%; height: 100%; }
}