/* ============================================================
   about-mission.css — about-mission.html 专属样式
   从 about.css 拆分 (2026-07-15)
   ============================================================ */

/* ===== Longi culture page cloned content (about-mission-1) ===== */
.layout-content-container {
  background-color: var(--color-black);
  color: var(--color-white);
  overflow: hidden;
}

.layout-content-container img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Hero banner */
.layout-content-container .image-text-video.fullscreen-container {
  position: relative;
  width: 100%;
  height: 620px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.layout-content-container .bg-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.layout-content-container .bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.layout-content-container .content.one-banner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.layout-content-container .content.one-banner h1 {
  font-family: var(--font-sans); /* 中文标题必须用黑体，勿改 serif */
  font-size: clamp(2.3rem, 5.52vw, 4.14rem);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--color-white);
  transform: translateY(-40%);
}

.layout-content-container .content.one-banner .description {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.75);
  white-space: pre-line;
}

.layout-content-container .content.one-banner::before {
  content: '';
  position: absolute;
  inset: -80px -120px;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.45) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

/* Inner containers */
.layout-content-container .min-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Mission & Vision */
.layout-content-container .wish-and-duty {
  padding-top: 50px;
  padding-bottom: 80px;
}

.layout-content-container .wish-duty {
  display: flex;
  align-items: stretch;
  gap: 56px;
}

.layout-content-container .wish-duty + .wish-duty {
  margin-top: 58px;
}

.layout-content-container .wish-duty.reverse {
  flex-direction: row-reverse;
}

.layout-content-container .wish-duty .pic,
.layout-content-container .wish-duty .introduction {
  flex: 1 1 50%;
  min-width: 0;
}

.layout-content-container .wish-duty .pic {
  overflow: hidden;
  border-radius: 4px;
}

.layout-content-container .wish-duty .pic img {
  width: 100%;
  height: 100%;
  min-height: 440px;
  object-fit: cover;
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.layout-content-container .wish-duty:hover .pic img {
  transform: scale(1.045);
}

.layout-content-container .wish-duty .introduction {
  display: flex;
}

.layout-content-container .introduction-title {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 14px;
}

.layout-content-container .introduction-subtitle {
  font-family: var(--font-sans); /* 中文标题必须用黑体，勿改 serif */
  font-size: clamp(1.375rem, 2.4vw, 1.875rem);
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 20px;
  color: var(--color-white);
}

.layout-content-container .introduction-content {
  font-size: 0.96875rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.65);
  white-space: pre-line;
  max-width: 52ch;
}

.layout-content-container .introduction-card {
  position: relative;
  background: #161616;
  border-radius: 8px;
  padding: 44px 40px;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.layout-content-container .intro-index {
  position: absolute;
  top: 22px;
  right: 28px;
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.05em;
  color: rgba(201, 169, 110, 0.55);
}

.layout-content-container .mark-bar-content.bar-primary {
  width: 48px;
  height: 3px;
  background: var(--color-gold);
  margin-bottom: 20px;
}

/* Core values */
.layout-content-container .core-value {
  padding-top: 40px;
  padding-bottom: 120px;
}

.layout-content-container .core-value > .title {
  font-family: var(--font-sans); /* 中文标题必须用黑体，勿改 serif */
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  text-align: center;
  margin-bottom: 16px;
  color: var(--color-white);
}

.layout-content-container .core-value .mark-bar {
  width: 48px;
  height: 3px;
  background: var(--color-gold);
  margin: 0 auto 48px;
}

.layout-content-container .core-value-content {
  display: flex;
  gap: 24px;
}

.layout-content-container .core-value-item {
  position: relative;
  flex: 1 1 33.333%;
  height: 593px;
  overflow: hidden;
  border-radius: 4px;
}

.layout-content-container .core-value-item .img-box {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.layout-content-container .core-value-item .img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.layout-content-container .core-value-item:hover .img-box img {
  transform: scale(1.08);
}

.layout-content-container .core-value-item .content-item {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  height: 300px;
  padding: 40px 28px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.72) 42%, rgba(0, 0, 0, 0.25) 78%, transparent 100%);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.layout-content-container .value-title {
  font-family: var(--font-sans); /* 中文标题必须用黑体，勿改 serif */
  font-size: clamp(1.62rem, 2.592vw, 2.12625rem);
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-white);
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.55);
}

.layout-content-container .value-description {
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 400;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.45);
}

.layout-content-container .value-description p {
  margin: 0 0 0.7em;
}

.layout-content-container .value-description p:last-child {
  margin-bottom: 0;
}

.layout-content-container .value-description .value-lead {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: 0.85em;
}

@media (max-width: 1023px) {
  .layout-content-container .image-text-video.fullscreen-container {
    height: 520px;
  }

  .layout-content-container .wish-duty {
    flex-direction: column;
    gap: 28px;
  }

  .layout-content-container .wish-duty.reverse {
    flex-direction: column;
  }

  .layout-content-container .wish-duty + .wish-duty {
    margin-top: 64px;
  }

  .layout-content-container .wish-duty .pic,
  .layout-content-container .wish-duty .introduction {
    flex: 1 1 100%;
    width: 100%;
  }

  .layout-content-container .wish-duty .pic img {
    height: 320px;
    min-height: 0;
  }

  .layout-content-container .core-value-content {
    flex-wrap: wrap;
  }

  .layout-content-container .core-value-item {
    flex: 1 1 calc(50% - 12px);
    height: 483px;
  }

  .layout-content-container .core-value-item .content-item {
    height: 260px;
  }
}

@media (max-width: 767px) {
  .layout-content-container .image-text-video.fullscreen-container {
    height: 480px;
  }

  .layout-content-container .wish-and-duty {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .layout-content-container .wish-duty + .wish-duty {
    margin-top: 56px;
  }

  .layout-content-container .wish-duty .pic img {
    height: 260px;
  }

  .layout-content-container .introduction-card {
    padding: 32px 24px;
  }

  .layout-content-container .intro-index {
    font-size: 1.25rem;
    top: 18px;
    right: 20px;
  }

  .layout-content-container .core-value {
    padding-bottom: 64px;
  }

  .layout-content-container .core-value-content {
    flex-direction: column;
  }

  .layout-content-container .core-value-item {
    flex: 1 1 100%;
    height: 451px;
  }

  .layout-content-container .core-value-item .content-item {
    height: 240px;
    padding: 24px 20px;
  }
}

/* ===== About Section (about-mission.html 首屏"关于远虑"区块) =====
   从 components/about-sections.css 迁入 — 仅 about-mission.html 使用。
   spirit-/advantages- 等未使用块未随迁。 */
.about-section {
  background: var(--color-dark);
  position: relative;
  overflow: hidden;
}

.about-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 1.06fr 0.94fr;
    gap: 55px;
  }
}

.about-image {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-image:hover img {
  transform: scale(1.03);
}

/* 奢品揭幕动效容器内 hover 需等进场完成后再启用 */
.about-image.reveal-luxury-image.is-visible:hover img {
  transform: scale(1.03);
}

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  pointer-events: none;
}

.about-text h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  margin-bottom: 24px;
  line-height: 1.4;
}

.about-text p {
  color: var(--color-gray-300);
  margin-bottom: 20px;
  line-height: 1.9;
  font-weight: 300;
}

.values-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 32px;
}

.value-item {
  text-align: center;
}

.value-item .letter {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-gold);
  display: block;
  line-height: 1;
}

.value-item .name {
  font-size: 0.825rem;
  color: var(--color-gray-400);
  letter-spacing: 0.1em;
  margin-top: 4px;
}