/* 品牌实力：强制一屏内左右分栏，并防止工厂轮播把整块撑宽裁切右侧 */
#about.brand-strength {
  --about-pad-x: 9vw;
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  height: calc(100svh - var(--header-h));
  min-height: calc(100svh - var(--header-h));
  max-height: calc(100svh - var(--header-h));
  padding: 0 var(--about-pad-x);
  overflow: hidden;
  display: flex;
  background: var(--sand);
}

#about .brand-strength-inner {
  box-sizing: border-box;
  flex: 1;
  min-width: 0;
  min-height: 0;
  width: 100%;
  max-width: 100%;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: clamp(10px, 1.6vh, 18px);
  padding-block: clamp(14px, 2.2vh, 26px);
  overflow: hidden;
}

#about .brand-strength-inner > .number {
  margin: 0;
}

#about .brand-strength-main {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.8vh, 18px);
  min-width: 0;
  min-height: 0;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

/* 上行：左文案 / 右列表 —— 用 grid 固定两列，避免被撑开 */
#about .brand-strength-top {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) !important;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  min-width: 0;
  min-height: 0;
  width: 100%;
  max-width: 100%;
  flex: 1 1 auto;
}

#about .brand-strength-copy {
  min-width: 0;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#about .brand-strength-copy .overline {
  margin: 0 0 10px;
  color: var(--soft);
  font-size: 12px;
  line-height: 1.5;
}

#about .brand-strength-copy h2 {
  margin: 0;
  font: 600 clamp(24px, 2.8vw, 38px) / 1.34 var(--serif);
  letter-spacing: -0.03em;
}

#about .brand-strength-copy h2 strong {
  color: #6e806b;
}

#about .brand-strength-desc {
  margin: 14px 0 0;
  color: var(--soft);
  font-size: 12px;
  line-height: 1.85;
}

#about .brand-strength-points {
  min-width: 0;
  max-width: 100%;
  margin: 0;
  padding: 0 0 0 clamp(16px, 2vw, 28px);
  list-style: none;
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0;
}

#about .brand-strength-points li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px solid rgba(32, 40, 32, 0.1);
}

#about .brand-strength-points li:first-child {
  padding-top: 0;
}

#about .brand-strength-points li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

#about .brand-strength-points li span {
  color: var(--gold);
  font: 10px monospace;
  line-height: 1.6;
}

#about .brand-strength-points li b {
  display: block;
  margin-bottom: 3px;
  font: 600 14px var(--serif);
  line-height: 1.35;
  color: var(--ink);
}

#about .brand-strength-points li p {
  margin: 0;
  color: var(--soft);
  font-size: 11px;
  line-height: 1.55;
}

#about .strength-stats {
  flex-shrink: 0;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.14);
}

#about .strength-stats article {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 16px;
  align-items: center;
  min-width: 0;
  padding: clamp(10px, 1.4vh, 14px) clamp(12px, 1.4vw, 18px);
  border-right: 1px solid var(--line);
}

#about .strength-stats b {
  font: 500 clamp(24px, 2.4vw, 36px) / 1 Georgia, serif;
  color: var(--green);
  white-space: nowrap;
  align-self: start;
  padding-top: 2px;
}

#about .strength-stats b span {
  font-size: 0.45em;
}

#about .strength-stats h3 {
  margin: 0 0 4px;
  font: 600 clamp(13px, 1.2vw, 16px) var(--serif);
  line-height: 1.3;
}

#about .strength-stats p {
  margin: 0;
  color: var(--soft);
  font-size: 11px;
  line-height: 1.5;
}

#about .brand-strength-factory {
  flex-shrink: 0;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  overflow: hidden;
}

#about .brand-strength-factory .factory-strip-label {
  margin: 0;
  flex-shrink: 0;
  color: var(--gold);
  font: 9px monospace;
  letter-spacing: 0.1em;
  line-height: 1.5;
}

/* 关键：限制轮播容器宽度，禁止 max-content 轨道撑破整页 */
#about .factory-marquee {
  flex: none;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: clamp(84px, 12vh, 118px);
  overflow: hidden;
  position: relative;
}

#about .factory-marquee-track {
  display: flex;
  width: max-content;
  max-width: none;
  height: 100%;
  gap: 10px;
  will-change: transform;
}

#about .factory-marquee-track.is-animating {
  animation: factory-marquee 100s linear infinite;
}

#about .factory-marquee:hover .factory-marquee-track.is-animating {
  animation-play-state: paused;
}

#about .factory-marquee-group {
  display: flex;
  gap: 10px;
  height: 100%;
}

#about .factory-marquee-group img {
  height: 100%;
  width: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  flex-shrink: 0;
  border-radius: 1px;
}

@keyframes factory-marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 900px) {
  #about .brand-strength-top {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr) !important;
    gap: 20px;
  }
}

@media (max-width: 720px) {
  #about.brand-strength {
    --about-pad-x: 8vw;
  }

  #about .brand-strength-top {
    grid-template-columns: 1fr !important;
    gap: 14px;
    align-items: start;
  }

  #about .brand-strength-points {
    padding: 14px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  #about .brand-strength-copy h2 {
    font-size: 23px;
    line-height: 1.38;
  }

  #about .brand-strength-desc {
    margin-top: 10px;
    font-size: 11px;
    line-height: 1.75;
  }

  #about .brand-strength-points li {
    padding: 10px 0;
  }

  #about .brand-strength-points li b {
    font-size: 13px;
  }

  #about .brand-strength-points li p {
    font-size: 10px;
  }

  #about .strength-stats {
    grid-template-columns: 1fr;
  }

  #about .strength-stats article {
    padding: 10px 12px;
    border-bottom: 1px solid var(--line);
    border-right: 0;
  }

  #about .strength-stats article:last-child {
    border-bottom: 0;
  }

  #about .factory-marquee {
    height: clamp(72px, 11vh, 96px);
  }
}

@media (prefers-reduced-motion: reduce) {
  #about .factory-marquee-track {
    animation: none !important;
  }
}