/* 文件描述：公司介绍页样式（au- 前缀，对齐镜像布局） */

body.au-page {
  padding-top: 0;
  background: var(--slate-50);
}

body.au-page .nav:not(.is-scrolled) {
  background: transparent;
  border-bottom-color: transparent;
  box-shadow: none;
}

body.au-page .nav.is-scrolled,
body.au-page .aban-nav ~ .nav {
  background: #fff;
}

/* ── Hero 视频区 ── */
.au-hero {
  position: relative;
  min-height: clamp(360px, calc(100vw * 520/ 1440), 520px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: #fff;
  text-align: center;
}

.au-hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.au-hero-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 40, 71, 0.55) 0%, rgba(0, 40, 71, 0.75) 100%);
}

.au-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: calc(var(--nav-height) + 48px) 24px 48px;
}

.au-hero-title {
  font-size: clamp(28px, calc(100vw * 40/ 1440), 40px);
  font-weight: 600;
  margin: 0 0 32px;
  line-height: 1.3;
}

.au-hero-play {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: 0;
  font-size: var(--fs-body);
  transition: opacity 0.2s;
}

.au-hero-play:hover {
  opacity: 0.85;
}

.au-hero-play-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.12);
}

.au-hero-play-icon svg {
  margin-left: 4px;
}

.au-main {
  padding-bottom: clamp(32px, calc(100vw * 48/ 1440), 48px);
}

/* ── 公司简介 ── */
.au-intro {
  margin-bottom: clamp(40px, calc(100vw * 56/ 1440), 56px);
}

.au-intro-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 42%);
  gap: clamp(24px, calc(100vw * 48/ 1440), 48px);
  align-items: center;
}

.au-intro-label {
  display: block;
  margin-bottom: 12px;
  font-size: var(--fs-14);
  color: var(--primary-dec);
}

.au-intro-title {
  margin: 0 0 clamp(20px, calc(100vw * 28/ 1440), 28px);
  font-size: clamp(28px, calc(100vw * 40/ 1440), 40px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--on-surface);
}

.au-intro-title em {
  font-style: normal;
  color: var(--primary);
}

.au-intro-desc p {
  margin: 0 0 16px;
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--slate-700);
  
}

.au-intro-desc p:last-child {
  margin-bottom: 0;
}

.au-intro-map {
  margin: 0;
}

.au-intro-map img {
  display: block;
  width: 100%;
  height: auto;
}

/* ── 关键数据 ── */
.au-stats {
  margin: var(--container-px) auto 40px;
  padding: clamp(28px, calc(100vw * 36/ 1440), 36px) var(--container-px);
  background: #fff;
}

.au-stats-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, calc(100vw * 24/ 1440), 24px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.au-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.au-stat-num {
  font-size: clamp(32px, calc(100vw * 48/ 1440), 48px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--primary);
}

.au-stat-label {
  margin-top: 8px;
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--primary-dec);
}

/* ── 使命愿景价值观 ── */
.au-mvv {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-rows: auto auto;
  gap: clamp(12px, calc(100vw * 16 / 1440), 16px);
  margin-bottom: clamp(48px, calc(100vw * 80 / 1440), 80px);
}

.au-mvv-mission {
  position: relative;
  grid-row: 1 / 3;
  grid-column: 1 / 3;
  min-height: clamp(320px, calc(100vw * 420 / 1440), 420px);
  overflow: hidden;
  border-radius: var(--r8);
}

.au-mvv-mission-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.au-mvv-mission-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 100%;
  padding: clamp(24px, calc(100vw * 32/ 1440), 32px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.72) 58%, rgba(255, 255, 255, 0.92) 100%);
}

.au-mvv-block-label {
  margin-bottom: clamp(12px, calc(100vw * 16/ 1440), 16px);
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--primary-dec);
}

.au-mvv-mission-text {
  margin: 0;
  font-size: clamp(24px, calc(100vw * 32/ 1440), 32px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--on-surface);
}

.au-mvv-mission-text em {
  font-style: normal;
  color: #c62828;
}

.au-mvv-vision,
.au-mvv-culture,
.au-mvv-values {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: clamp(150px, calc(100vw * 190/ 1440), 190px);
  padding: clamp(24px, calc(100vw * 32/ 1440), 32px);

  background: linear-gradient(109deg, #ffffff99 17%, #ffffff00 97%);
  border-radius: var(--r8);
}

.au-mvv-vision {
  grid-column: 3;
  grid-row: 1;
}

.au-mvv-culture {
  grid-column: 4;
  grid-row: 1;
}

.au-mvv-values {
  grid-column: 3 / 5;
  grid-row: 2;
}

.au-mvv-vision-text {
  margin: 0;
  font-size: var(--fs-24);
  font-weight: 700;
  line-height: 1.45;
  color: var(--primary);
}

.au-mvv-vision-text em {
  font-style: normal;
  
}

.au-mvv-culture-text {
  margin: 0;
  font-size: var(--fs-24);
  font-weight: 700;
  line-height: 1.45;
  color: var(--on-surface);
}

.au-mvv-values-text {
  margin: 0;
  font-size: var(--fs-24);
  font-weight: 700;
  line-height: 1.45;
  color: var(--on-surface);
}

.au-mvv-values-text em {
  font-style: normal;
}

/* ── 客户 Logo 墙 ── */
.au-logowall {
  width: 100%;
  min-height: 420px;
  background: #f2faff;
  padding: 22px 0;
  margin-bottom: clamp(48px, calc(100vw * 50/ 1440), 50px);
}

.au-logowall-inner {
  position: relative;
  margin: 0 auto;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 48px 24px;
}

.au-logowall-cols {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.7;
  transition: transform 0.8s ease-in-out;
}

.au-logowall-inner:hover .au-logowall-cols {
  transform: translate(-50%, -50%) scale(0.5);
}

.au-logowall-col {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  width: max-content;
  animation: au-logowall-left 150s linear infinite;
}

.au-logowall-col:first-child {
  margin-top: 0;
}

.au-logowall-col--even {
  margin-left: -96px;
  animation-name: au-logowall-right;
}

.au-logowall-cell {
  display: block;
  width: min(4236px, 80vw);
  height: 90px;
  background-size: cover;
  background-repeat: no-repeat;
  flex-shrink: 0;
}

.au-logowall-cell--1 { background-image: url(/static/skin/images/aboutus/company_desc/logo-1.png); }
.au-logowall-cell--2 { background-image: url(/static/skin/images/aboutus/company_desc/logo-2.png); }
.au-logowall-cell--3 { background-image: url(/static/skin/images/aboutus/company_desc/logo-3-new.png); }
.au-logowall-cell--4 { background-image: url(/static/skin/images/aboutus/company_desc/logo-4-new.png); }
.au-logowall-cell--5 { background-image: url(/static/skin/images/aboutus/company_desc/logo-5.png); }
.au-logowall-cell--6 { background-image: url(/static/skin/images/aboutus/company_desc/logo-6.png); }
.au-logowall-cell--7 { background-image: url(/static/skin/images/aboutus/company_desc/logo-7.png); }
.au-logowall-cell--8 { background-image: url(/static/skin/images/aboutus/company_desc/logo-8.png); }

@keyframes au-logowall-left {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes au-logowall-right {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

.au-logowall-text {
  position: relative;
  z-index: 2;
  max-width: 729px;
  margin: 0;
  padding: 32px 16px;
  font-size: clamp(18px, calc(100vw * 28/ 1440), 28px);
  font-weight: 500;
  line-height: 1.7;
  color: var(--on-surface);
  text-align: center;
}

/* Logo 墙核心数据：主题色 + 加大加粗 */
.au-logowall-stat {
  color: var(--primary);
  font-size: clamp(24px, calc(100vw * 36/ 1440), 36px);
  font-weight: 700;
  line-height: 1.2;
}

.au-logowall-text::before {
  content: "";
  position: absolute;
  inset: 0;
  background: #f2faff;
  filter: blur(50px);
  z-index: -1;
}

@media (prefers-reduced-motion: reduce) {
  .au-logowall-col {
    animation: none;
  }
}

/* 移动端无 hover：默认即为桌面 hover 后的缩小态 */
@media (max-width: 768px) {
  .au-logowall-cols,
  .au-logowall-inner:hover .au-logowall-cols {
    transform: translate(-50%, -50%) scale(0.5);
  }
}

/* ── 发展大事记（竖向时间线） ── */
.au-timeline {
  --au-vtl-line: color-mix(in srgb, var(--primary) 22%, #fff);
  --au-vtl-dot-ring: color-mix(in srgb, var(--primary) 16%, transparent);
  position: relative;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: clamp(48px, calc(100vw * 72 / 1440), 72px) var(--container-px) clamp(64px, calc(100vw * 96 / 1440), 96px);
}

.au-timeline-head {
  position: relative;
  min-height: clamp(72px, calc(100vw * 112 / 1440), 112px);
  margin-bottom: clamp(36px, calc(100vw * 56 / 1440), 56px);
}

.au-timeline-range {
  position: absolute;
  left: 60px;
  bottom: 0;
  z-index: 0;
  font-size: clamp(64px, calc(100vw * 100 / 1440), 100px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--primary) 6%, #fff) 0%,
    color-mix(in srgb, var(--primary) 14%, #fff) 22%,
    color-mix(in srgb, var(--primary) 24%, #fff) 58%,
    color-mix(in srgb, var(--primary) 32%, #fff) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.au-timeline-title {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  margin: 0;
  padding: 0;
  font-size: clamp(28px, calc(100vw * 36 / 1440), 36px);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  color: var(--on-surface);
  background: none;
  border-radius: 0;
}

.au-timeline-track-wrap {
  padding: 0 0 0 60px;
}

.au-timeline-track {
  position: relative;
  display: flex;
  flex-direction: column;
  padding-left: 60px;
}

.au-timeline-track::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--au-vtl-line);
}

.au-vtl-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(88px, 112px) minmax(0, 1fr);
  gap: clamp(16px, calc(100vw * 24 / 1440), 24px);
  align-items: start;
  padding-bottom: clamp(28px, calc(100vw * 36 / 1440), 36px);
}

.au-vtl-item:last-child {
  padding-bottom: 0;
}

/* 时间线条目滚动入场 */
.au-vtl-item.au-vtl-rise .au-vtl-dot {
  opacity: 0;
  transform: translateX(-50%) scale(0.4);
  transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.au-vtl-item.au-vtl-rise .au-vtl-year {
  opacity: 0;
  transform: translateX(-16px);
  transition: opacity 0.55s ease 0.08s, transform 0.55s cubic-bezier(0.22, 1, 0.36, 1) 0.08s;
}

.au-vtl-item.au-vtl-rise .au-vtl-body {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease 0.18s, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.18s;
}

.au-vtl-item.au-vtl-rise.in .au-vtl-dot {
  opacity: 1;
  transform: translateX(-50%);
}

.au-vtl-item.au-vtl-rise.in .au-vtl-year,
.au-vtl-item.au-vtl-rise.in .au-vtl-body {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .au-vtl-item.au-vtl-rise .au-vtl-dot {
    opacity: 1;
    transform: translateX(-50%);
    transition: none;
  }

  .au-vtl-item.au-vtl-rise .au-vtl-year,
  .au-vtl-item.au-vtl-rise .au-vtl-body {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.au-vtl-marker {
  position: relative;
  padding-top: 2px;
}

.au-vtl-dot {
  position: absolute;
  left: -60px;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  box-sizing: border-box;
  transform: translateX(-50%);
  z-index: 1;
  transition: width 0.25s ease, height 0.25s ease, top 0.25s ease;
}

.au-vtl-dot::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 24px;
  height: 24px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: color-mix(in srgb, var(--primary) 18%, transparent);
  z-index: -1;
  transition: width 0.25s ease, height 0.25s ease, background 0.25s ease;
}

.au-vtl-item.is-active .au-vtl-dot {
  width: 12px;
  height: 12px;
  top: 10px;
}

.au-vtl-item.is-active .au-vtl-dot::before {
  width: 36px;
  height: 36px;
  background: color-mix(in srgb, var(--primary) 22%, transparent);
}

.au-vtl-year {
  font-size: clamp(22px, calc(100vw * 28 / 1440), 28px);
  font-weight: 700;
  color: var(--slate-700);
  line-height: 1.3;
  white-space: nowrap;
  transition: color 0.25s ease, font-size 0.25s ease;
}

.au-vtl-item.is-active .au-vtl-year {
  color: var(--primary);
  font-size: clamp(26px, calc(100vw * 32 / 1440), 32px);
}

.au-vtl-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(16px, calc(100vw * 24 / 1440), 24px);
  align-items: center;
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--r8);
  padding: clamp(16px, calc(100vw * 24 / 1440), 24px);
  box-shadow: var(--shadow-sm);
}

.au-vtl-body:not(:has(.au-vtl-img)) {
  grid-template-columns: 1fr;
}

.au-vtl-records {
  list-style: none;
  margin: 0;
  padding: 0;
}

.au-vtl-records li {
  position: relative;
  margin-top: 10px;
  padding-left: 14px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--on-surface);
}

.au-vtl-records li:first-child {
  margin-top: 0;
}

.au-vtl-records li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--on-surface);
}

.au-vtl-img {
  width: clamp(140px, calc(100vw * 200 / 1440), 200px);
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--r8);
  margin-top: 0;
  flex-shrink: 0;
  object-fit: cover;
}

.au-vtl-body:has(.au-vtl-footnote) {
  display: block;
}

.au-vtl-body:has(.au-vtl-footnote) .au-vtl-img {
  float: right;
  margin: 0 0 12px 20px;
}

.au-vtl-footnote {
  clear: both;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--slate-200);
}

.au-vtl-footnote p {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--on-surface-variant);
  line-height: 1.6;
}

.au-reg {
  font-size: 11px;
  vertical-align: super;
}

/* ── 视频弹层 ── */
.au-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 51, 89, 0.6);
  padding: 24px;
}

.au-modal.is-open {
  display: flex;
}

.au-modal-inner {
  position: relative;
  width: 100%;
  max-width: 800px;
}

.au-modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
}

.au-modal video {
  width: 100%;
  border-radius: var(--r8);
  display: block;
}

@media (max-width: 900px) {
  .au-intro-body {
    grid-template-columns: 1fr;
  }

  .au-intro-map {
    max-width: 560px;
    margin: 0 auto;
  }

  .au-stats-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 16px;
  }

  .au-mvv {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }

  .au-mvv-mission {
    grid-row: auto;
    grid-column: 1 / -1;
    min-height: clamp(280px, 56vw, 360px);
  }

  .au-mvv-vision,
  .au-mvv-culture {
    min-height: 160px;
  }

  .au-mvv-vision {
    grid-column: 1;
    grid-row: auto;
  }

  .au-mvv-culture {
    grid-column: 2;
    grid-row: auto;
  }

  .au-mvv-values {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .au-timeline-head {
    min-height: clamp(56px, 14vw, 80px);
  }

  .au-timeline-range {
    left: 32px;
    font-size: clamp(40px, 12vw, 72px);
  }

  .au-timeline-title {
    font-size: clamp(22px, 5.5vw, 28px);
  }

  .au-timeline-track-wrap {
    padding-left: 0;
  }

  .au-timeline-track {
    padding-left: 32px;
  }

  .au-timeline-track::before {
    left: 6px;
  }

  .au-vtl-dot {
    left: -26px;
  }

  .au-vtl-item {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 12px;
  }

  .au-vtl-year {
    white-space: normal;
    font-size: 20px;
  }

  .au-vtl-item.is-active .au-vtl-year {
    font-size: 22px;
  }
}

@media (max-width: 768px) {
  .au-intro-desc p {
    text-indent: 0;
    line-height: 1.85;
  }

  .au-mvv {
    grid-template-columns: 1fr;
  }

  .au-mvv-vision,
  .au-mvv-culture,
  .au-mvv-values {
    grid-column: 1;
    min-height: auto;
  }

  .au-timeline {
    padding-top: 32px;
    padding-bottom: 48px;
    max-width: min(var(--container-max), 100%);
    overflow-x: clip;
  }

  .au-timeline-head {
    min-height: clamp(48px, 15vw, 60px);
    margin-bottom: 24px;
    overflow: hidden;
  }

  .au-timeline-range {
    left: 0;
    font-size: clamp(28px, 11vw, 40px);
    max-width: 100%;
  }

  .au-timeline-title {
    font-size: clamp(16px, 4.2vw, 20px);
    max-width: 100%;
    white-space: normal;
  }

  .au-timeline-track-wrap {
    padding-left: 0;
    min-width: 0;
  }

  .au-timeline-track {
    padding-left: 0;
    min-width: 0;
  }

  .au-timeline-track::before {
    left: 7px;
  }

  .au-vtl-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding-bottom: 20px;
    min-width: 0;
  }

  .au-vtl-marker {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 0 0 28px;
    min-height: 28px;
  }

  .au-vtl-dot {
    left: 7px;
    top: 50%;
    transform: translate(-50%, -50%);
  }

  .au-vtl-item.is-active .au-vtl-dot {
    top: 50%;
  }

  .au-vtl-dot::before {
    width: 20px;
    height: 20px;
  }

  .au-vtl-item.is-active .au-vtl-dot::before {
    width: 30px;
    height: 30px;
  }

  .au-vtl-year {
    font-size: 18px;
    white-space: nowrap;
  }

  .au-vtl-item.is-active .au-vtl-year {
    font-size: 20px;
  }

  .au-vtl-body {
    grid-template-columns: minmax(0, 1fr);
    width: calc(100% - 28px);
    max-width: calc(100% - 28px);
    margin-left: 28px;
    padding: 14px 16px;
    min-width: 0;
    box-sizing: border-box;
  }

  .au-vtl-records li {
    font-size: 13px;
    line-height: 1.65;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .au-vtl-footnote p {
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .au-vtl-body:has(.au-vtl-img) .au-vtl-img {
    width: 100%;
    max-width: 100%;
    height: auto;
    margin: 12px 0 0;
  }

  .au-vtl-body:has(.au-vtl-footnote) .au-vtl-img {
    float: none;
    margin: 12px 0 0;
  }

  .au-vtl-item.au-vtl-rise .au-vtl-dot {
    transform: translate(-50%, -50%) scale(0.4);
  }

  .au-vtl-item.au-vtl-rise.in .au-vtl-dot {
    transform: translate(-50%, -50%);
  }

  @media (prefers-reduced-motion: reduce) {
    .au-vtl-item.au-vtl-rise .au-vtl-dot {
      transform: translate(-50%, -50%);
    }
  }
}