/* ═══════════════════════════════════════════════════════════════
   syz-about-pages.css
   SYZ Rod Ends — About Sub-pages 共用样式
   适用：Manufacturing / Quality Control / Service / FAQ / Payment Account
   依赖：style.css, szr-components.css
   类前缀：abp-*（复用现有 ab-* 类名，只新增 about 子页独有样式）
   ═══════════════════════════════════════════════════════════════ */

/* ──────────────────────────────────────────
   Hero（共用，与 ab-hero 对齐）
────────────────────────────────────────── */
.abp-hero {
  background: var(--slate);
  padding: 72px 0 64px;
  position: relative;
  overflow: hidden;
}

.abp-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(-45deg, transparent, transparent 24px, rgba(255,255,255,.018) 24px, rgba(255,255,255,.018) 25px);
  pointer-events: none;
}

.abp-hero__inner { position: relative; z-index: 1; }

.abp-hero__badge {
  display: inline-block;
  background: var(--steel);
  color: var(--white);
  font-family: var(--f-head);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 3px;
  margin-bottom: 16px;
}

.abp-hero__h1 {
  font-family: var(--f-head);
  font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 16px;
}

.abp-hero__sub {
  font-size: 1rem;
  line-height: 1.65;
  color: rgba(255,255,255,.62);
  max-width: 580px;
  margin-bottom: 28px;
}

.abp-hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* ──────────────────────────────────────────
   Section header
────────────────────────────────────────── */
.abp-hdr { margin-bottom: 48px; }
.abp-hdr--center { text-align: center; }
.abp-hdr--center .abp-hdr__rule { margin: 10px auto 0; }

.abp-hdr__eyebrow {
  font-family: var(--f-head);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 8px;
}

.abp-hdr__title {
  font-family: var(--f-head);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--slate);
  line-height: 1.1;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.abp-hdr__sub {
  font-size: .95rem;
  color: var(--mid);
  line-height: 1.7;
  max-width: 640px;
}

.abp-hdr--center .abp-hdr__sub { margin: 0 auto; }

/* ──────────────────────────────────────────
   Manufacturing — process steps grid
────────────────────────────────────────── */
.abp-steps__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
}

.abp-step {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 18px 14px 16px;
  text-align: center;
  position: relative;
  transition: border-color .2s, box-shadow .2s, transform .2s var(--ease);
}

.abp-step:hover {
  border-color: var(--steel);
  box-shadow: 0 4px 16px rgba(26,111,168,.08);
  transform: translateY(-2px);
}

.abp-step__num {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--steel);
  color: var(--white);
  font-family: var(--f-head);
  font-weight: 800;
  font-size: .65rem;
  letter-spacing: .06em;
  padding: 2px 8px;
  border-radius: 3px;
  white-space: nowrap;
}

.abp-step__name {
  font-family: var(--f-head);
  font-size: .85rem;
  font-weight: 700;
  color: var(--slate);
  text-transform: uppercase;
  line-height: 1.3;
  margin-top: 6px;
}

/* ──────────────────────────────────────────
   Manufacturing — technician team
────────────────────────────────────────── */
.abp-team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.abp-tech-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  align-items: start;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}

.abp-tech-card__img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.abp-tech-card__body { padding: 24px 24px 24px 0; }

.abp-tech-card__role {
  font-family: var(--f-head);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 4px;
}

.abp-tech-card__name {
  font-family: var(--f-head);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--slate);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.abp-tech-card__quote {
  font-size: .875rem;
  color: var(--mid);
  line-height: 1.7;
  font-style: italic;
}

/* ──────────────────────────────────────────
   Manufacturing / About — custom services grid
────────────────────────────────────────── */
.abp-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.abp-service-card {
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--white);
  transition: border-color .2s, box-shadow .2s, transform .2s var(--ease);
}

.abp-service-card:hover {
  border-color: var(--steel);
  box-shadow: 0 6px 24px rgba(26,111,168,.08);
  transform: translateY(-3px);
}

.abp-service-card__img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.abp-service-card__body { padding: 20px; }

.abp-service-card__title {
  font-family: var(--f-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--slate);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.abp-service-card__text {
  font-size: .83rem;
  color: var(--mid);
  line-height: 1.65;
}

/* ──────────────────────────────────────────
   Quality Control — 4-pillar cards
────────────────────────────────────────── */
.abp-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.abp-pillar {
  padding: 28px 22px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--steel);
  border-radius: var(--r);
  background: var(--white);
  transition: box-shadow .2s, transform .2s var(--ease);
}

.abp-pillar:hover {
  box-shadow: 0 6px 24px rgba(26,111,168,.08);
  transform: translateY(-2px);
}

.abp-pillar__icon {
  width: 40px; height: 40px;
  background: var(--steel-lt);
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.abp-pillar__icon svg {
  width: 20px; height: 20px;
  stroke: var(--steel);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.abp-pillar__title {
  font-family: var(--f-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--slate);
  text-transform: uppercase;
  margin-bottom: 8px;
  letter-spacing: .02em;
}

.abp-pillar__text {
  font-size: .83rem;
  color: var(--mid);
  line-height: 1.65;
}

/* ──────────────────────────────────────────
   Quality Control — video embed
────────────────────────────────────────── */
.abp-video-wrap {
  border-radius: var(--r);
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--slate);
  max-width: 720px;
  margin: 0 auto;
}

.abp-video-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ──────────────────────────────────────────
   Quality Control / Manufacturing — delivery capability list
────────────────────────────────────────── */
.abp-capability-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.abp-capability-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.abp-capability-item__icon {
  width: 32px; height: 32px;
  background: var(--steel-lt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: .8rem;
  color: var(--steel);
}

.abp-capability-item__text {
  font-size: .875rem;
  color: var(--mid);
  line-height: 1.65;
}

.abp-capability-item__text strong { color: var(--ink); }

/* ──────────────────────────────────────────
   Service — case study cards
────────────────────────────────────────── */
.abp-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.abp-case-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 28px;
  transition: border-color .2s, box-shadow .2s, transform .2s var(--ease);
}

.abp-case-card:hover {
  border-color: var(--steel);
  box-shadow: 0 6px 24px rgba(26,111,168,.08);
  transform: translateY(-2px);
}

.abp-case-card__tag {
  display: inline-block;
  background: var(--steel-lt);
  color: var(--steel);
  font-family: var(--f-head);
  font-weight: 700;
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 3px;
  margin-bottom: 14px;
}

.abp-case-card__title {
  font-family: var(--f-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--slate);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.abp-case-card__text {
  font-size: .875rem;
  color: var(--mid);
  line-height: 1.7;
}

/* ──────────────────────────────────────────
   FAQ — accordion
────────────────────────────────────────── */
.abp-faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 820px;
  margin: 0 auto;
}

.abp-faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--white);
  overflow: hidden;
}

.abp-faq-item details { padding: 0; }

.abp-faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  cursor: pointer;
  font-family: var(--f-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--slate);
  list-style: none;
  user-select: none;
  transition: background .15s;
}

.abp-faq-item summary:hover { background: var(--bg-alt); }

.abp-faq-item details[open] summary {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
  color: var(--steel);
}

.abp-faq-item summary::-webkit-details-marker { display: none; }

.abp-faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--steel);
  flex-shrink: 0;
  transition: transform .2s;
}

.abp-faq-item details[open] summary::after {
  transform: rotate(45deg);
}

.abp-faq-item__body {
  padding: 18px 24px 20px;
  font-size: .9rem;
  color: var(--mid);
  line-height: 1.75;
}

.abp-faq-item__body p { margin-bottom: 10px; }
.abp-faq-item__body p:last-child { margin-bottom: 0; }

/* ──────────────────────────────────────────
   Payment Account — notice page
────────────────────────────────────────── */
.abp-notice {
  max-width: 760px;
  margin: 0 auto;
}

.abp-notice__alert {
  background: #fff8e6;
  border: 1px solid #f5c842;
  border-left: 4px solid #f5a623;
  border-radius: var(--r);
  padding: 18px 22px;
  margin-bottom: 32px;
  font-size: .9rem;
  color: #7a5800;
  line-height: 1.65;
}

.abp-notice__alert strong { color: #5a3f00; }

.abp-notice__box {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 32px 36px;
  margin-bottom: 24px;
}

.abp-notice__box-title {
  font-family: var(--f-head);
  font-size: 1rem;
  font-weight: 800;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.abp-notice__row {
  display: flex;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--bg-alt);
  font-size: .875rem;
}

.abp-notice__row:last-child { border-bottom: none; }

.abp-notice__label {
  width: 180px;
  flex-shrink: 0;
  font-weight: 600;
  color: var(--mid);
}

.abp-notice__value { color: var(--ink); }

/* ──────────────────────────────────────────
   CTA band (shared)
────────────────────────────────────────── */
.abp-cta {
  background: var(--slate);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.abp-cta::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(-45deg, transparent, transparent 24px, rgba(255,255,255,.012) 24px, rgba(255,255,255,.012) 25px);
  pointer-events: none;
}

.abp-cta__inner { position: relative; z-index: 1; }

.abp-cta__title {
  font-family: var(--f-head);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.abp-cta__sub {
  font-size: .95rem;
  color: rgba(255,255,255,.62);
  line-height: 1.65;
  margin-bottom: 28px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.abp-cta__btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ──────────────────────────────────────────
   Responsive
────────────────────────────────────────── */
@media (max-width: 1100px) {
  .abp-steps__grid { grid-template-columns: repeat(4, 1fr); gap: 14px; }
  .abp-pillars { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .abp-hero { padding: 52px 0 48px; }
  .abp-hero__ctas { flex-direction: column; }
  .abp-steps__grid { grid-template-columns: repeat(2, 1fr); }
  .abp-team-grid { grid-template-columns: 1fr; }
  .abp-tech-card { grid-template-columns: 1fr; }
  .abp-tech-card__img { height: 240px; width: 100%; }
  .abp-tech-card__body { padding: 20px; }
  .abp-services-grid { grid-template-columns: 1fr; }
  .abp-pillars { grid-template-columns: 1fr; }
  .abp-cases-grid { grid-template-columns: 1fr; }
  .abp-notice__row { flex-direction: column; gap: 4px; }
  .abp-notice__label { width: auto; }
  .abp-notice__box { padding: 22px 20px; }
}