.page-home {
  --rail-width: 280px;
  --cover-min-height: 100vh;
  --card-radius: 12px;
  --transition-speed: 0.35s;
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-dark);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== 左侧固定索引栏 ===== */
.page-home .home-rail {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--rail-width);
  height: 100vh;
  z-index: 100;
  background: var(--color-bg-medium);
  border-right: 1px solid rgba(139, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform var(--transition-speed) cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 4px 0 30px rgba(0, 0, 0, 0.7);
}

.page-home .home-rail[data-open="true"],
.page-home .home-rail[data-nav].is-open {
  transform: translateX(0);
}

.page-home .home-rail__inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 24px 20px 20px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary) transparent;
}

.page-home .home-rail__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

.page-home .home-rail__logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-gold);
  background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-home .home-rail__toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}

.page-home .home-rail__toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform 0.25s;
}

.page-home .home-rail__nav {
  flex: 1;
}

.page-home .home-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.page-home .home-rail__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 400;
  transition: background 0.25s, color 0.25s, transform 0.2s;
  position: relative;
}

.page-home .home-rail__link:hover,
.page-home .home-rail__link:focus-visible {
  background: rgba(139, 0, 0, 0.2);
  color: var(--color-text-primary);
  transform: translateX(4px);
}

.page-home .home-rail__link[aria-current="page"] {
  color: var(--color-accent-gold);
  background: rgba(255, 215, 0, 0.08);
  border-left: 3px solid var(--color-accent-gold);
}

.page-home .home-rail__icon {
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity 0.25s;
}

.page-home .home-rail__link:hover .home-rail__icon,
.page-home .home-rail__link[aria-current="page"] .home-rail__icon {
  opacity: 1;
}

.page-home .home-rail__actions {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .home-rail__collect {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--color-text-primary);
  border: none;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.3s, transform 0.25s, box-shadow 0.3s;
  box-shadow: 0 4px 16px rgba(139, 0, 0, 0.3);
}

.page-home .home-rail__collect:hover,
.page-home .home-rail__collect:focus-visible {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(139, 0, 0, 0.5);
}

.page-home .home-rail__collect svg {
  flex-shrink: 0;
}

.page-home .home-rail__old {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 8px;
  background: rgba(255, 215, 0, 0.06);
  border: 1px solid rgba(255, 215, 0, 0.15);
  color: var(--color-accent-gold);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 400;
  transition: background 0.25s, border-color 0.25s, transform 0.2s;
}

.page-home .home-rail__old:hover,
.page-home .home-rail__old:focus-visible {
  background: rgba(255, 215, 0, 0.12);
  border-color: var(--color-accent-gold);
  transform: translateY(-1px);
}

.page-home .home-rail__contact {
  margin-top: 16px;
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  text-align: center;
  opacity: 0.6;
}

.page-home .home-rail__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: -1;
}

/* ===== 右侧主内容区 ===== */
.page-home .home-main {
  flex: 1;
  width: 100%;
  margin-left: 0;
  display: flex;
  flex-direction: column;
}

/* ===== 首屏—杂志封面 ===== */
.page-home .home-cover {
  position: relative;
  min-height: var(--cover-min-height);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 80px 24px 60px;
  background: var(--color-bg-dark);
}

.page-home .home-cover__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.page-home .home-cover__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.3;
  mix-blend-mode: luminosity;
}

.page-home .home-cover__cut {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  background: linear-gradient(135deg, transparent 30%, rgba(139, 0, 0, 0.25) 70%, rgba(255, 215, 0, 0.08) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
  z-index: 1;
  pointer-events: none;
}

.page-home .home-cover__content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  width: 100%;
  text-align: center;
}

.page-home .home-cover__tag {
  display: inline-block;
  font-family: var(--font-tech);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent-neon);
  margin-bottom: 16px;
  padding: 4px 14px;
  border: 1px solid rgba(0, 191, 255, 0.25);
  border-radius: 20px;
  background: rgba(0, 191, 255, 0.05);
}

.page-home .home-cover__title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 12vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin: 0 0 12px;
  background: linear-gradient(180deg, #ffffff 40%, var(--color-accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 60px rgba(255, 215, 0, 0.15);
}

.page-home .home-cover__lead {
  font-size: clamp(0.95rem, 2.5vw, 1.3rem);
  font-weight: 300;
  color: var(--color-text-secondary);
  letter-spacing: 0.15em;
  margin: 0 0 36px;
  padding: 0 8px;
}

.page-home .home-cover__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}

.page-home .home-cover__collect {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--color-primary), #a00000);
  border: none;
  border-radius: 50px;
  color: var(--color-text-primary);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
  box-shadow: 0 4px 24px rgba(139, 0, 0, 0.5);
  animation: home-cover-collect-float 3s ease-in-out infinite;
  position: relative;
  text-decoration: none;
}

.page-home .home-cover__collect:hover,
.page-home .home-cover__collect:focus-visible {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 40px rgba(139, 0, 0, 0.7);
  background: linear-gradient(135deg, #a00000, var(--color-primary-light));
}

@keyframes home-cover-collect-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.page-home .home-cover__collect-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.page-home .home-cover__collect-text {
  white-space: nowrap;
}

.page-home .home-cover__old-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  background: rgba(26, 26, 26, 0.85);
  border: 1px solid rgba(255, 215, 0, 0.12);
  border-radius: 12px;
  text-decoration: none;
  color: var(--color-text-primary);
  transition: background 0.3s, border-color 0.3s, transform 0.25s;
  backdrop-filter: blur(4px);
}

.page-home .home-cover__old-card:hover,
.page-home .home-cover__old-card:focus-visible {
  background: rgba(26, 26, 26, 0.95);
  border-color: var(--color-accent-gold);
  transform: translateY(-2px);
}

.page-home .home-cover__old-img {
  width: 60px;
  height: 40px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}

.page-home .home-cover__old-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-accent-gold);
  flex: 1;
}

.page-home .home-cover__old-arrow {
  font-size: 1.1rem;
  color: var(--color-accent-gold);
  transition: transform 0.25s;
}

.page-home .home-cover__old-card:hover .home-cover__old-arrow {
  transform: translateX(4px);
}

.page-home .home-cover__index {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
  margin-top: 24px;
  position: relative;
  z-index: 2;
}

.page-home .home-cover__index-link {
  font-family: var(--font-tech);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.25s, border-color 0.25s;
}

.page-home .home-cover__index-link:hover,
.page-home .home-cover__index-link:focus-visible {
  color: var(--color-accent-gold);
  border-bottom-color: var(--color-accent-gold);
}

/* ===== 热门分类区 ===== */
.page-home .home-categories {
  padding: 60px 24px 50px;
  background: var(--color-bg-dark);
  position: relative;
}

.page-home .home-categories__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 36px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.page-home .home-categories__title {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  margin: 0;
}

.page-home .home-categories__counter {
  font-family: var(--font-tech);
  font-size: 0.75rem;
  color: var(--color-accent-neon);
  letter-spacing: 0.1em;
  padding: 2px 10px;
  border: 1px solid rgba(0, 191, 255, 0.2);
  border-radius: 12px;
}

.page-home .home-categories__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.page-home .home-categories__card {
  background: var(--color-bg-medium);
  border-radius: var(--card-radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: background 0.3s, transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.page-home .home-categories__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-gold));
  opacity: 0;
  transition: opacity 0.35s;
}

.page-home .home-categories__card:hover::before,
.page-home .home-categories__card:focus-within::before {
  opacity: 1;
}

.page-home .home-categories__card:hover,
.page-home .home-categories__card:focus-within {
  background: rgba(26, 26, 26, 0.95);
  transform: translateY(-4px);
  border-color: rgba(255, 215, 0, 0.15);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.page-home .home-categories__card-icon {
  margin-bottom: 16px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(139, 0, 0, 0.15);
}

.page-home .home-categories__card-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 6px;
}

.page-home .home-categories__card-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin: 0 0 16px;
  line-height: 1.4;
}

.page-home .home-categories__card-link {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent-gold);
  text-decoration: none;
  align-self: flex-start;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s, color 0.25s;
  margin-top: auto;
}

.page-home .home-categories__card-link:hover,
.page-home .home-categories__card-link:focus-visible {
  border-bottom-color: var(--color-accent-gold);
  color: var(--color-accent-gold-light);
}

/* ===== 最新动态区 ===== */
.page-home .home-updates {
  position: relative;
  padding: 56px 24px 64px;
  overflow: hidden;
}

.page-home .home-updates__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.page-home .home-updates__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.12;
  mix-blend-mode: screen;
}

.page-home .home-updates__content {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
}

.page-home .home-updates__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 32px;
}

.page-home .home-updates__title {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3.5vw, 1.8rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  margin: 0;
}

.page-home .home-updates__more {
  font-family: var(--font-tech);
  font-size: 0.75rem;
  color: var(--color-accent-neon);
  text-decoration: none;
  padding: 4px 12px;
  border: 1px solid rgba(0, 191, 255, 0.2);
  border-radius: 16px;
  transition: background 0.25s, border-color 0.25s;
}

.page-home .home-updates__more:hover,
.page-home .home-updates__more:focus-visible {
  background: rgba(0, 191, 255, 0.08);
  border-color: var(--color-accent-neon);
}

.page-home .home-updates__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-home .home-updates__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(26, 26, 26, 0.7);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(2px);
  transition: background 0.3s, border-color 0.3s, transform 0.25s;
}

.page-home .home-updates__item:hover,
.page-home .home-updates__item:focus-within {
  background: rgba(26, 26, 26, 0.9);
  border-color: rgba(255, 215, 0, 0.12);
  transform: translateX(4px);
}

.page-home .home-updates__item-tag {
  flex-shrink: 0;
  font-family: var(--font-tech);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  padding: 2px 10px;
  border-radius: 10px;
  background: rgba(255, 215, 0, 0.08);
  border: 1px solid rgba(255, 215, 0, 0.12);
}

.page-home .home-updates__item-text {
  flex: 1;
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.4;
}

.page-home .home-updates__item-link {
  flex-shrink: 0;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-accent-neon);
  text-decoration: none;
  padding: 2px 8px;
  border-radius: 6px;
  transition: background 0.25s, color 0.25s;
}

.page-home .home-updates__item-link:hover,
.page-home .home-updates__item-link:focus-visible {
  background: rgba(0, 191, 255, 0.12);
  color: var(--color-text-primary);
}

/* ===== 桌面端布局：左侧固定 + 右侧滚动 ===== */
@media (min-width: 1024px) {
  .page-home {
    flex-direction: row;
  }

  .page-home .home-rail {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--rail-width);
    height: 100vh;
    transform: translateX(0);
    box-shadow: none;
    border-right: 1px solid rgba(139, 0, 0, 0.3);
  }

  .page-home .home-rail__toggle {
    display: none;
  }

  .page-home .home-rail__overlay {
    display: none !important;
  }

  .page-home .home-main {
    margin-left: var(--rail-width);
    width: calc(100% - var(--rail-width));
  }

  .page-home .home-cover {
    min-height: 100vh;
    padding: 100px 48px 80px;
    justify-content: flex-start;
    align-items: center;
  }

  .page-home .home-cover__content {
    text-align: left;
    max-width: 580px;
    padding-left: 20px;
  }

  .page-home .home-cover__title {
    font-size: clamp(3rem, 6vw, 5.5rem);
  }

  .page-home .home-cover__actions {
    flex-direction: row;
    align-items: center;
    gap: 24px;
  }

  .page-home .home-cover__index {
    justify-content: flex-start;
    gap: 8px 28px;
    margin-top: 40px;
  }

  .page-home .home-cover__cut {
    width: 50%;
    clip-path: polygon(25% 0, 100% 0, 100% 100%, 0% 100%);
  }

  .page-home .home-categories {
    padding: 80px 48px 60px;
  }

  .page-home .home-categories__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .page-home .home-updates {
    padding: 72px 48px 80px;
  }

  .page-home .home-updates__list {
    gap: 12px;
  }

  .page-home .home-updates__item {
    padding: 18px 24px;
  }
}

@media (min-width: 1400px) {
  .page-home .home-cover__content {
    max-width: 680px;
  }

  .page-home .home-categories__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .page-home .home-categories {
    padding: 100px 64px 70px;
  }

  .page-home .home-updates {
    padding: 90px 64px 100px;
  }
}

/* ===== 移动端调整 ===== */
@media (max-width: 1023px) {
  .page-home .home-rail[data-open="true"] ~ .home-main,
  .page-home .home-rail.is-open ~ .home-main {
    pointer-events: none;
    opacity: 0.4;
  }

  .page-home .home-rail[data-open="true"] .home-rail__overlay,
  .page-home .home-rail.is-open .home-rail__overlay {
    display: block;
  }

  .page-home .home-cover__bg-img {
    opacity: 0.15;
  }

  .page-home .home-cover__collect {
    padding: 12px 24px;
    font-size: 0.9rem;
  }

  .page-home .home-cover__collect-icon {
    width: 24px;
    height: 24px;
  }

  .page-home .home-cover__old-img {
    width: 48px;
    height: 32px;
  }

  .page-home .home-categories__card {
    padding: 24px 20px;
  }

  .page-home .home-updates__item {
    flex-wrap: wrap;
    gap: 8px;
  }

  .page-home .home-updates__item-text {
    flex-basis: 100%;
    order: 1;
  }

  .page-home .home-updates__item-link {
    order: 2;
  }
}

@media (max-width: 480px) {
  .page-home .home-cover {
    padding: 60px 16px 40px;
  }

  .page-home .home-cover__tag {
    font-size: 0.6rem;
    padding: 2px 10px;
  }

  .page-home .home-cover__actions {
    gap: 16px;
  }

  .page-home .home-cover__collect {
    padding: 10px 20px;
    font-size: 0.82rem;
    width: 100%;
    justify-content: center;
  }

  .page-home .home-cover__old-card {
    padding: 10px 16px;
    width: 100%;
    justify-content: center;
  }

  .page-home .home-categories {
    padding: 40px 16px 36px;
  }

  .page-home .home-updates {
    padding: 40px 16px 48px;
  }

  .page-home .home-updates__item {
    padding: 14px 16px;
  }
}

/* ===== 收藏按钮点击反馈（渐进增强） ===== */
.page-home .home-cover__collect:active,
.page-home .home-rail__collect:active {
  transform: scale(0.96);
  transition-duration: 0.08s;
}

/* ===== 阅读进度条（位于页面顶部，全局样式已预留类名） ===== */
.page-home .page-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-gold), var(--color-accent-neon));
  z-index: 200;
  transition: width 0.1s linear;
}

/* ===== 滚动高亮标记 ===== */
.page-home .section-highlight.is-visible {
  border-left: 3px solid var(--color-accent-gold);
  padding-left: 12px;
  transition: border-color 0.4s, padding-left 0.4s;
}