/* ====================================================================
   CESIPC about.css — v5 简洁版（对齐 cesipc.cn 原网站风格）
   命名空间 .abv5-*
==================================================================== */

.about-v5 { background: #fff; color: var(--c-text); }

/* ===== 通用 eyebrow 和 section head ===== */
.abv5-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: var(--c-primary);
  text-transform: uppercase;
  margin-bottom: 14px;
  position: relative;
  padding-left: 36px;
}
.abv5-eyebrow::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 24px; height: 2px;
  background: var(--c-accent, #e60012);
  transform: translateY(-50%);
}
.abv5-shead {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--sp-8);
}
.abv5-shead .abv5-eyebrow {
  padding-left: 0;
}
.abv5-shead .abv5-eyebrow::before {
  position: static;
  display: inline-block;
  vertical-align: middle;
  transform: none;
  margin-right: 10px;
}
.abv5-shead h2 {
  font-size: clamp(26px, 2.5vw, 34px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.3px;
  margin: 0 0 var(--sp-3);
  color: var(--c-text);
}
.abv5-shead p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text-muted, #6e7682);
  margin: 0;
}

/* ====================================================================
   01 HERO — 直接复用全站 .page-hero--about（在 pages.css 中已有）
   这里不需要额外样式
==================================================================== */

/* ====================================================================
   02 STORY — 双栏：左文字 + 右 4:3 横图（图片下方含信息卡）
==================================================================== */
.abv5-story {
  padding: 90px 0;
  background: #fff;
}
.abv5-story__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}
.abv5-story__txt { min-width: 0; }
.abv5-story__title {
  font-size: clamp(26px, 2.4vw, 34px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.3px;
  margin: 0 0 var(--sp-3);
  color: var(--c-text);
}
.abv5-story__deck {
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text-muted, #6e7682);
  margin: 0 0 var(--sp-6);
}
.abv5-story__body p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-text);
  margin: 0 0 var(--sp-4);
}
.abv5-story__body p strong {
  color: var(--c-primary);
  font-weight: 600;
}
.abv5-story__lead {
  font-size: 17px !important;
  line-height: 1.85 !important;
  padding-left: 18px;
  border-left: 3px solid var(--c-primary);
  color: var(--c-text);
}

/* 右侧视觉栏 */
.abv5-story__viz {
  position: sticky;
  top: 108px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* 4:3 横图（保留原图比例） */
.abv5-story__photo {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(12,35,64,.15);
  position: relative;
  aspect-ratio: 4 / 3;
}
.abv5-story__photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s ease;
}
.abv5-story__photo:hover img { transform: scale(1.04); }

/* 左下角徽章（不破坏图片比例，浮在图片内） */
.abv5-story__badge {
  position: absolute;
  left: 16px; bottom: 16px;
  background: var(--c-primary);
  color: #fff;
  padding: 12px 16px;
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(12,35,64,.35);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.abv5-story__badge-num {
  font-size: 26px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.5px;
}
.abv5-story__badge-num sup {
  font-size: .5em;
  color: rgba(255,255,255,.85);
  margin-left: 1px;
  font-weight: 700;
}
.abv5-story__badge-lbl {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.2px;
  line-height: 1.35;
  color: rgba(255,255,255,.9);
}

/* 图片下方信息卡（地址 + 总部图标） */
.abv5-story__info {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--c-bg-alt, #f0f5fa);
  border-radius: 12px;
  border-left: 3px solid var(--c-primary);
}
.abv5-story__info-icon {
  width: 36px; height: 36px;
  flex-shrink: 0;
  border-radius: 50%;
  background: #fff;
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(51,117,175,.15);
}
.abv5-story__info-name {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--c-text-muted, #6e7682);
  text-transform: uppercase;
  margin-bottom: 2px;
}
.abv5-story__info-val {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.4;
}

/* ====================================================================
   03 GALLERY — 5 张工厂照片 mosaic
==================================================================== */
.abv5-gallery {
  padding: 90px 0;
  background: var(--c-bg-alt, #f0f5fa);
}
.abv5-gallery__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 260px 260px;
  gap: 14px;
}
.abv5-gallery__tile {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  background: var(--c-primary);
  cursor: pointer;
}
.abv5-gallery__tile--hero {
  grid-column: 1;
  grid-row: 1 / -1;
}
.abv5-gallery__tile img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s cubic-bezier(.2,.7,.3,1);
}
.abv5-gallery__tile:hover img { transform: scale(1.06); }
.abv5-gallery__cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 16px 18px;
  background: linear-gradient(180deg, transparent 0%, rgba(12,35,64,.78) 100%);
  color: #fff;
}
.abv5-gallery__cap strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .3px;
}
.abv5-gallery__cap span {
  display: block;
  font-size: 12px;
  color: rgba(255,255,255,.75);
  margin-top: 2px;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity .35s, max-height .35s;
}
.abv5-gallery__tile:hover .abv5-gallery__cap span {
  opacity: 1;
  max-height: 30px;
}
.abv5-gallery__tile--hero .abv5-gallery__cap strong { font-size: 19px; }

/* ====================================================================
   04 PHILOSOPHY — 经营理念引言
==================================================================== */
.abv5-philo {
  padding: 100px 0;
  background: #fff;
  text-align: center;
}
.abv5-philo__inner {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}
.abv5-philo__quote-mark {
  font-family: Georgia, "Songti SC", serif;
  font-size: 96px;
  line-height: 1;
  color: var(--c-accent, #e60012);
  opacity: .15;
  margin-bottom: 8px;
}
.abv5-philo__main {
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-text);
  margin: 0 0 var(--sp-4);
  letter-spacing: -.2px;
}
.abv5-philo__main strong {
  color: var(--c-primary);
  font-weight: 800;
}
.abv5-philo__sub {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-muted, #6e7682);
  margin: 0 0 var(--sp-6);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.abv5-philo__sign {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--c-text-muted, #6e7682);
  letter-spacing: 1px;
}
.abv5-philo__sign::before,
.abv5-philo__sign::after {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--c-border, #e3eaf2);
}

/* ====================================================================
   05 SUBPAGES — 4 个子页面入口
==================================================================== */
.abv5-subpages {
  padding: 80px 0 100px;
  background: var(--c-bg-alt, #f0f5fa);
}
.abv5-subpages__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.abv5-subcard {
  display: flex;
  flex-direction: column;
  padding: 28px 24px 26px;
  background: #fff;
  border: 1px solid var(--c-border, #e3eaf2);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: transform .3s, box-shadow .3s, border-color .3s;
  position: relative;
  overflow: hidden;
}
.abv5-subcard::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 3px;
  background: var(--c-primary);
  transition: width .35s ease;
}
.abv5-subcard:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(12,35,64,.08);
  border-color: var(--c-primary);
}
.abv5-subcard:hover::after { width: 100%; }
.abv5-subcard__icon {
  width: 44px; height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(51,117,175,.08);
  border-radius: 10px;
  color: var(--c-primary);
  margin-bottom: var(--sp-4);
  transition: background .3s, color .3s;
}
.abv5-subcard:hover .abv5-subcard__icon {
  background: var(--c-primary);
  color: #fff;
}
.abv5-subcard__name {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--c-text);
}
.abv5-subcard__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-text-muted, #6e7682);
  margin: 0 0 var(--sp-4);
  flex: 1;
}
.abv5-subcard__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary);
  transition: gap .3s, color .3s;
}
.abv5-subcard:hover .abv5-subcard__more {
  color: var(--c-accent, #e60012);
  gap: 10px;
}

/* ====================================================================
   06 CTA — 简洁询盘
==================================================================== */
.abv5-cta {
  padding: 72px 0;
  background: var(--c-primary);
  color: #fff;
}
.abv5-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}
.abv5-cta h2 {
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 var(--sp-3);
  color: #fff;
  letter-spacing: -.3px;
}
.abv5-cta p {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255,255,255,.85);
  margin: 0;
  max-width: 580px;
}
.abv5-cta__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* ====================================================================
   响应式
==================================================================== */
@media (max-width: 1280px) {
  .abv5-story__grid { gap: 48px; }
}
@media (max-width: 1024px) {
  .abv5-story { padding: 64px 0; }
  .abv5-story__grid { grid-template-columns: 1fr; gap: 40px; }
  .abv5-story__viz { position: static; max-width: 600px; margin: 0 auto; width: 100%; }
  .abv5-gallery { padding: 64px 0; }
  .abv5-gallery__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 240px 200px 200px;
  }
  .abv5-gallery__tile--hero { grid-column: 1 / -1; grid-row: 1; }
  .abv5-philo { padding: 72px 0; }
  .abv5-subpages { padding: 56px 0 80px; }
  .abv5-subpages__grid { grid-template-columns: repeat(2, 1fr); }
  .abv5-cta__inner { grid-template-columns: 1fr; gap: 24px; }
  .abv5-cta__actions { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .abv5-story__badge { padding: 12px 16px; }
  .abv5-story__badge-num { font-size: 24px; }
  .abv5-gallery__grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(5, 200px);
  }
  .abv5-gallery__tile--hero { grid-column: 1; grid-row: 1; }
  .abv5-philo__main { font-size: 20px; }
  .abv5-subpages__grid { grid-template-columns: 1fr; }
}