.page-home {
  --home-hero-title: clamp(34px, 5.5vw, 58px);
  --home-panel-shadow: 6px 6px 0 rgba(139, 133, 122, 0.4);
  --home-brief-line: rgba(245, 240, 230, 0.14);
}

/* ===== 首屏：左右分屏 + 数字宇宙氛围 ===== */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: 120px 0 56px;
  background:
    radial-gradient(circle at 82% 12%, rgba(157, 78, 221, 0.32), transparent 38%),
    radial-gradient(circle at 8% 88%, rgba(255, 140, 66, 0.12), transparent 32%),
    linear-gradient(145deg, #0B1D3A 0%, #071326 100%);
  color: #F5F0E6;
}

.page-home .home-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: center;
}

.page-home .home-hero__copy {
  max-width: 100%;
}

.page-home .home-hero__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--home-hero-title);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 14px 0 22px;
}

.page-home .home-hero__brand {
  display: block;
  color: #F5F0E6;
}

.page-home .home-hero__slogan {
  display: block;
  position: relative;
  color: #FF8C42;
  padding-bottom: 10px;
}

.page-home .home-hero__slogan::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 88px;
  height: 3px;
  background: linear-gradient(90deg, #FF8C42, #9D4EDD);
  border-radius: 999px;
}

.page-home .home-hero__lead {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 240, 230, 0.8);
  max-width: 500px;
  margin: 24px 0 30px;
}

.page-home .home-hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 26px;
}

.page-home .home-hero__ctas .site-btn--ghost {
  color: #F5F0E6;
  border-color: rgba(245, 240, 230, 0.45);
}

.page-home .home-hero__ctas .site-btn--ghost:hover {
  border-color: #FF8C42;
  color: #FF8C42;
}

.page-home .home-hero__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-home .home-hero__help {
  color: rgba(245, 240, 230, 0.62);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 240, 230, 0.3);
  padding-bottom: 2px;
  transition: var(--transition);
}

.page-home .home-hero__help:hover {
  color: #F5F0E6;
  border-bottom-color: #F5F0E6;
}

.page-home .home-hero__visual {
  position: relative;
}

.page-home .home-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-lg);
  border: 2px solid rgba(245, 240, 230, 0.5);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

.page-home .home-hero__orb {
  position: absolute;
  top: -140px;
  right: -160px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(157, 78, 221, 0.45), transparent 65%);
  z-index: 0;
  pointer-events: none;
}

/* ===== 新版界面预览：米白底 + 粗边框卡片 ===== */
.page-home .home-preview {
  background: #F5F0E6;
  color: #1A1A1A;
  padding: 72px 0 56px;
}

.page-home .home-preview__header {
  max-width: 680px;
  margin-bottom: 44px;
}

.page-home .home-preview__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-bottom: 38px;
}

.page-home .home-preview__card {
  position: relative;
  background: #FFFFFF;
  border: 2px solid #1A1A1A;
  border-radius: var(--radius-md);
  padding: 32px 26px 26px;
  box-shadow: var(--home-panel-shadow);
  transition: var(--transition);
}

.page-home .home-preview__num {
  position: absolute;
  top: 14px;
  right: 18px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 46px;
  line-height: 1;
  color: #B3684D;
  opacity: 0.55;
}

.page-home .home-preview__card-title {
  font-family: var(--font-heading);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  padding-right: 44px;
}

.page-home .home-preview__card-text {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(26, 26, 26, 0.75);
  margin-bottom: 18px;
}

.page-home .home-preview__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-home .home-preview__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(26, 26, 26, 0.82);
}

.page-home .home-preview__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 9px;
  height: 9px;
  background: #9D4EDD;
  border-radius: 50%;
}

.page-home .home-preview__figure {
  margin: 0;
}

.page-home .home-preview__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-md);
  border: 2px solid #1A1A1A;
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

.page-home .home-preview__figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: rgba(26, 26, 26, 0.6);
  text-align: center;
}

/* ===== 速览信息：深空蓝背景 + 三列布局 ===== */
.page-home .home-brief {
  background:
    radial-gradient(circle at 12% 85%, rgba(157, 78, 221, 0.18), transparent 36%),
    linear-gradient(160deg, #0B1D3A 0%, #071326 100%);
  color: #F5F0E6;
  padding: 72px 0 60px;
}

.page-home .home-brief .section-heading__lead {
  color: rgba(245, 240, 230, 0.72);
}

.page-home .home-brief__header {
  max-width: 680px;
  margin-bottom: 44px;
}

.page-home .home-brief__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin: 0 0 44px;
}

.page-home .home-brief__col-title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #FF8C42;
  margin: 0 0 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--home-brief-line);
}

.page-home .home-brief__updates {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
}

.page-home .home-brief__update {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--home-brief-line);
  font-size: 15px;
  line-height: 1.5;
}

.page-home .home-brief__time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #9D4EDD;
  background: rgba(157, 78, 221, 0.16);
  border-radius: 999px;
  padding: 2px 10px;
  white-space: nowrap;
  flex-shrink: 0;
}

.page-home .home-brief__text {
  color: rgba(245, 240, 230, 0.88);
}

.page-home .home-brief__link {
  display: inline-block;
  margin-top: 6px;
  color: #9D4EDD;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(157, 78, 221, 0.4);
  padding-bottom: 2px;
  transition: var(--transition);
}

.page-home .home-brief__link:hover {
  color: #FF8C42;
  border-bottom-color: #FF8C42;
}

.page-home .home-brief__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.page-home .home-brief__note {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.55);
  margin: 12px 0 0;
}

.page-home .home-brief__note a {
  color: #F5F0E6;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition);
}

.page-home .home-brief__note a:hover {
  color: #FF8C42;
}

.page-home .home-brief__stats {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
}

.page-home .home-brief__stat {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--home-brief-line);
}

.page-home .home-brief__stat-num {
  font-family: var(--font-heading);
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #FF8C42;
  line-height: 1;
  white-space: nowrap;
}

.page-home .home-brief__stat-label {
  font-size: 14px;
  color: rgba(245, 240, 230, 0.7);
}

.page-home .home-brief__visual {
  margin: 0;
}

.page-home .home-brief__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(245, 240, 230, 0.22);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

.page-home .home-brief__visual figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: rgba(245, 240, 230, 0.6);
  text-align: center;
}

/* ===== 版本档案：米白底 + 水平时间轴 ===== */
.page-home .home-archive {
  background: #F5F0E6;
  color: #1A1A1A;
  padding: 72px 0 68px;
}

.page-home .home-archive__header {
  max-width: 680px;
  margin-bottom: 44px;
}

.page-home .home-archive__timeline {
  margin: 0 0 42px;
}

.page-home .home-archive__track {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 26px;
  position: relative;
}

.page-home .home-archive__item {
  position: relative;
  padding-left: 26px;
}

.page-home .home-archive__item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #9D4EDD;
  box-shadow: 0 0 0 4px rgba(157, 78, 221, 0.2);
}

.page-home .home-archive__item::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 22px;
  bottom: -28px;
  width: 2px;
  background: #8E857A;
}

.page-home .home-archive__item:last-child::after {
  display: none;
}

.page-home .home-archive__year {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: #0B1D3A;
  display: block;
  line-height: 1.2;
}

.page-home .home-archive__label {
  font-size: 14px;
  color: rgba(26, 26, 26, 0.7);
  display: block;
  margin-top: 4px;
  line-height: 1.5;
}

.page-home .home-archive__figure {
  margin: 0 0 40px;
}

.page-home .home-archive__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-md);
  border: 2px solid #1A1A1A;
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

.page-home .home-archive__figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: rgba(26, 26, 26, 0.6);
  text-align: center;
}

.page-home .home-archive__cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.page-home .home-archive__note {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(26, 26, 26, 0.65);
  margin: 0;
}

.page-home .home-archive__note a {
  color: #0B1D3A;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition);
}

.page-home .home-archive__note a:hover {
  color: #B3684D;
}

/* ===== 桌面断点 ===== */
@media (min-width: 768px) {
  .page-home .home-hero {
    padding: 140px 0 76px;
  }

  .page-home .home-hero__copy {
    max-width: 560px;
  }

  .page-home .home-hero__visual img {
    transform: rotate(1.5deg);
  }

  .page-home .home-hero__visual::before {
    content: "";
    position: absolute;
    inset: -14px 12px 14px -12px;
    border: 1px solid rgba(157, 78, 221, 0.6);
    border-radius: var(--radius-lg);
    z-index: -1;
  }

  .page-home .home-hero__orb {
    width: 460px;
    height: 460px;
    top: -160px;
    right: -140px;
  }

  .page-home .home-preview__grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .page-home .home-preview__figure img {
    max-height: 480px;
    width: 100%;
    object-fit: cover;
  }

  .page-home .home-brief__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
  }

  .page-home .home-brief__stat-num {
    font-size: 40px;
  }

  .page-home .home-archive__track {
    flex-direction: row;
    justify-content: space-between;
    gap: 16px;
  }

  .page-home .home-archive__item {
    padding-left: 0;
    padding-top: 26px;
    flex: 1;
  }

  .page-home .home-archive__item::before {
    left: 0;
    top: 2px;
  }

  .page-home .home-archive__item::after {
    left: 0;
    top: auto;
    bottom: auto;
    right: auto;
    width: 100%;
    height: 2px;
    top: 7px;
    left: 10px;
  }

  .page-home .home-archive__item:last-child::after {
    width: 0;
  }

  .page-home .home-archive__label {
    font-size: 15px;
  }

  .page-home .home-archive__cta {
    flex-direction: row;
    align-items: center;
    gap: 28px;
  }
}

@media (min-width: 1024px) {
  .page-home .home-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
    min-height: 70vh;
  }

  .page-home .home-hero__copy {
    max-width: 580px;
  }

  .page-home .home-preview,
  .page-home .home-brief,
  .page-home .home-archive {
    padding-top: 92px;
    padding-bottom: 84px;
  }

  .page-home .home-brief__visual img {
    max-height: 720px;
    object-fit: cover;
  }
}

/* ===== 减少动效偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-home .home-hero__visual img {
    transform: none;
  }

  .page-home .home-preview__card,
  .page-home .home-hero__ctas .site-btn--ghost,
  .page-home .home-brief__link,
  .page-home .home-brief__note a,
  .page-home .home-archive__note a,
  .page-home .home-hero__help {
    transition: none;
  }
}