/* ===== 首页专属样式 ===== */
.page-home {
  background: var(--paper-white);
  color: var(--ink-black);
  overflow-x: hidden;
}

.page-home .container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
  width: 100%;
  box-sizing: border-box;
}

.page-home a {
  color: inherit;
  text-decoration: none;
}

.page-home .mono,
.page-home .mono-label {
  font-family: var(--font-mono);
}

.page-home .mono-label {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ===== 面包屑 ===== */
.page-home .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(245, 245, 240, 0.55);
  margin-bottom: 1.5rem;
}

.page-home .breadcrumbs a {
  position: relative;
  transition: color 0.25s var(--ease);
}

.page-home .breadcrumbs a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--brand-orange);
  transition: width 0.3s var(--ease);
}

.page-home .breadcrumbs a:hover {
  color: var(--paper-white);
}

.page-home .breadcrumbs a:hover::after {
  width: 100%;
}

.page-home .crumb-sep {
  color: var(--brand-orange);
  font-weight: 700;
}

.page-home .crumb-current {
  color: rgba(245, 245, 240, 0.85);
}

/* ===== 首屏 Hero ===== */
.page-home .home-hero {
  position: relative;
  background: var(--ink-black);
  color: var(--paper-white);
  padding-top: calc(var(--gutter) * 1.2);
  overflow: hidden;
}

.page-home .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(10, 10, 10, 0.96) 0%, rgba(10, 10, 10, 0.76) 42%, rgba(27, 42, 74, 0.5) 82%, rgba(255, 75, 43, 0.28) 100%);
}

.page-home .hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-home .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 3rem;
  padding-top: 1rem;
  padding-bottom: 4rem;
}

.page-home .hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.8125rem;
  letter-spacing: 0.22em;
  color: rgba(245, 245, 240, 0.7);
  margin-bottom: 1.25rem;
}

.page-home .kicker-dot {
  width: 10px;
  height: 10px;
  background: var(--brand-orange);
  box-shadow: 0 0 0 4px rgba(255, 75, 43, 0.2);
  display: inline-block;
}

.page-home .hero-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.25rem, 8vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--paper-white);
  margin: 0 0 1.75rem;
  max-width: 12em;
}

.page-home .hero-lead {
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(245, 245, 240, 0.82);
  max-width: 46em;
  margin: 0 0 2.25rem;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.page-home .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.8rem 1.5rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-home .btn-primary {
  background: var(--brand-orange);
  border-color: var(--brand-orange);
  color: var(--paper-white);
  box-shadow: 0 4px 0 rgba(255, 75, 43, 0.55);
}

.page-home .btn-primary:hover {
  transform: translateY(1px);
  box-shadow: 0 2px 0 rgba(255, 75, 43, 0.55);
}

.page-home .btn-outline {
  background: transparent;
  border-color: rgba(245, 245, 240, 0.55);
  color: var(--paper-white);
  box-shadow: 0 4px 0 rgba(245, 245, 240, 0.12);
}

.page-home .btn-outline:hover {
  border-color: var(--brand-orange);
  color: var(--brand-orange);
  transform: translateY(1px);
  box-shadow: 0 2px 0 rgba(255, 75, 43, 0.3);
}

.page-home .hero-aside {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-home .hero-num-card {
  background: var(--deep-blue);
  border-left: 4px solid var(--brand-orange);
  padding: 1.25rem 1.25rem 1.5rem;
  min-height: 128px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.page-home .hero-num-card--blue {
  background: var(--gray-900);
  border-left-color: var(--bright-yellow);
}

.page-home .hero-num {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1;
  color: var(--paper-white);
  margin: 0.5rem 0 0.25rem;
}

.page-home .hero-num-card:nth-child(2) .hero-num {
  color: var(--bright-yellow);
}

.page-home .hero-num-note {
  font-size: 0.8125rem;
  color: rgba(245, 245, 240, 0.7);
  line-height: 1.45;
}

.page-home .hero-num-card .mono-label {
  color: var(--brand-orange);
}

.page-home .hero-num-card:nth-child(2) .mono-label {
  color: var(--bright-yellow);
}

/* ===== 首屏跑马灯 ===== */
.page-home .hero-ticker {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(245, 245, 240, 0.16);
  background: rgba(31, 31, 31, 0.82);
  backdrop-filter: blur(6px);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .hero-ticker::-webkit-scrollbar {
  display: none;
}

.page-home .ticker-inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  white-space: nowrap;
  padding-block: 0.9rem;
  min-width: max-content;
}

.page-home .ticker-item {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: rgba(245, 245, 240, 0.85);
}

.page-home .ticker-divider {
  width: 6px;
  height: 6px;
  background: var(--brand-orange);
  transform: rotate(45deg);
  flex-shrink: 0;
}

/* ===== 斜切分隔带 ===== */
.page-home .diagonal-band {
  height: 32px;
  background: linear-gradient(135deg, var(--gray-200) 0%, var(--gray-200) 49%, var(--ink-black) 50%, var(--ink-black) 100%);
}

.page-home .diagonal-band--reverse {
  background: linear-gradient(135deg, var(--pointy) 0%, var(--pointy) 49%, var(--paper-white) 50%, var(--paper-white) 100%);
  background: linear-gradient(135deg, var(--paper-white) 0%, var(--paper-white) 49%, var(--ink-black) 50%, var(--ink-black) 100%);
}

/* ===== 区块标头 ===== */
.page-home .section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.25rem;
}

.page-home .section-label .mono {
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  color: var(--gray-600);
  white-space: nowrap;
}

.page-home .section-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  margin: 0;
  color: var(--ink-black);
  white-space: nowrap;
}

.page-home .label-line {
  flex: 1;
  height: 1px;
  background: var(--gray-200);
  min-width: 2rem;
}

.page-home .section-label--light .mono {
  color: rgba(245, 245, 240, 0.55);
}

.page-home .section-label--light .section-title {
  color: var(--paper-white);
}

.page-home .label-line--light {
  background: rgba(245, 245, 240, 0.2);
}

/* ===== 数据快报 ===== */
.page-home .home-snapshot {
  position: relative;
  background: var(--paper-white);
  padding-block: 4rem 2rem;
}

.page-home .snapshot-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.page-home .snapshot-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  padding: 1.25rem 1rem 1.25rem;
  position: relative;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-home .snapshot-card:hover {
  border-color: var(--brand-orange);
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 rgba(255, 75, 43, 0.12);
}

.page-home .snapshot-card--accent {
  border-top: 4px solid var(--brand-orange);
}

.page-home .snapshot-num {
  font-weight: 900;
  font-size: clamp(1.75rem, 5vw, 3rem);
  line-height: 1;
  color: var(--ink-black);
  display: inline-block;
  animation: home-rise 0.6s var(--ease) both;
}

.page-home .snapshot-card--accent .snapshot-num {
  color: var(--brand-orange);
}

.page-home .snapshot-unit {
  font-size: 0.8125rem;
  color: var(--gray-600);
  margin-left: 0.35rem;
  display: inline-block;
}

.page-home .snapshot-label {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.5;
}

.page-home .snapshot-art {
  margin-top: 2.5rem;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
  transform: translateX(0);
}

.page-home .snapshot-art img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--ink-black);
  filter: grayscale(0.2) contrast(1.05);
}

@keyframes home-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .snapshot-num {
    animation: none;
  }
}

/* ===== 本周站内更新 ===== */
.page-home .home-updates {
  position: relative;
  background: var(--ink-black);
  color: var(--paper-white);
  padding-block: 4rem 4.5rem;
  overflow: hidden;
}

.page-home .home-updates::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2.5rem;
  background: var(--gray-200);
  transform: skewY(-1.4deg);
  transform-origin: top left;
}

.page-home .updates-bg {
  position: absolute;
  right: -6%;
  bottom: -4%;
  width: 58%;
  height: 52%;
  opacity: 0.2;
  pointer-events: none;
}

.page-home .updates-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.page-home .updates-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .update-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(245, 245, 240, 0.16);
  transition: border-color 0.25s var(--ease);
}

.page-home .update-item:hover {
  border-bottom-color: var(--brand-orange);
}

.page-home .update-index {
  font-size: 0.8125rem;
  color: var(--brand-orange);
  padding-top: 0.15rem;
}

.page-home .update-tag {
  display: inline-block;
  grid-column: 2;
  width: max-content;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--ink-black);
  background: var(--bright-yellow);
  padding: 0.12rem 0.5rem;
  margin-bottom: 0.25rem;
}

.page-home .update-body {
  grid-column: 2;
}

.page-home .update-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.0625rem;
  margin: 0 0 0.4rem;
  color: var(--paper-white);
}

.page-home .update-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(245, 245, 240, 0.66);
  margin: 0 0 0.6rem;
}

.page-home .update-link {
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--brand-orange);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  position: relative;
}

.page-home .update-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.3s var(--ease);
}

.page-home .update-link:hover::after {
  width: 100%;
}

/* ===== 各栏目索引 ===== */
.page-home .home-index {
  background: var(--paper-white);
  padding-block: 4rem 4.5rem;
}

.page-home .index-table {
  display: grid;
  gap: 0;
  border-top: 2px solid var(--ink-black);
  margin-bottom: 3rem;
}

.page-home .index-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 1rem;
  padding: 1.3rem 1rem;
  border-bottom: 1px solid var(--gray-200);
  background: var(--white);
  transition: background 0.28s var(--ease), color 0.28s var(--ease), border-color 0.28s var(--ease);
  align-items: start;
}

.page-home .index-row:hover {
  background: var(--ink-black);
  color: var(--paper-white);
  border-bottom-color: var(--ink-black);
}

.page-home .index-no {
  font-size: 0.8125rem;
  color: var(--brand-orange);
}

.page-home .index-row:hover .index-no {
  color: var(--bright-yellow);
}

.page-home .index-name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.125rem;
  color: var(--ink-black);
}

.page-home .index-row:hover .index-name {
  color: var(--paper-white);
}

.page-home .index-path {
  grid-column: 2;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--gray-600);
  background: rgba(224, 224, 224, 0.5);
  padding: 0.25rem 0.6rem;
  width: max-content;
}

.page-home .index-row:hover .index-path {
  background: rgba(245, 245, 240, 0.12);
  color: rgba(245, 245, 240, 0.7);
}

.page-home .index-desc {
  grid-column: 2;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--gray-600);
  max-width: 42em;
}

.page-home .index-row:hover .index-desc {
  color: rgba(245, 245, 240, 0.75);
}

.page-home .index-arrow {
  display: none;
}

/* ===== 帮助卡片 ===== */
.page-home .helper-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  background: var(--ink-black);
  color: var(--paper-white);
}

.page-home .helper-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  max-height: 300px;
}

.page-home .helper-content {
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-home .helper-content .mono-label {
  color: var(--brand-orange);
  margin-bottom: 0.75rem;
}

.page-home .helper-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.375rem;
  line-height: 1.4;
  margin: 0 0 0.75rem;
}

.page-home .helper-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(245, 245, 240, 0.68);
  margin: 0 0 1.5rem;
}

.page-home .helper-content .btn-outline {
  border-color: rgba(245, 245, 240, 0.5);
  color: var(--paper-white);
}

/* ===== 最近动态 ===== */
.page-home .home-latest {
  background: var(--gray-900);
  color: var(--paper-white);
  padding-block: 4rem 5rem;
}

.page-home .latest-grid {
  display: grid;
  gap: 1.25rem;
}

.page-home .latest-card {
  background: var(--ink-black);
  border: 1px solid rgba(245, 245, 240, 0.14);
  padding: 1.5rem;
  display: flex;
  gap: 1.25rem;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-home .latest-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand-orange);
  box-shadow: 6px 6px 0 rgba(255, 75, 43, 0.2);
}

.page-home .latest-card--feature {
  border-left: 4px solid var(--brand-orange);
}

.page-home .latest-index {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--brand-orange);
  line-height: 1;
  flex-shrink: 0;
}

.page-home .latest-body {
  min-width: 0;
}

.page-home .latest-cat {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--bright-yellow);
  margin-bottom: 0.6rem;
}

.page-home .latest-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.125rem;
  line-height: 1.4;
  margin: 0 0 0.65rem;
  color: var(--paper-white);
}

.page-home .latest-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(245, 245, 240, 0.62);
  margin: 0 0 1rem;
}

.page-home .btn-link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--brand-orange);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  position: relative;
}

.page-home .btn-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.3s var(--ease);
}

.page-home .btn-link:hover::after {
  width: 100%;
}

/* ===== 平板适配 ===== */
@media (min-width: 640px) {
  .page-home .snapshot-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .hero-inner {
    gap: 4rem;
  }

  .page-home .hero-aside {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .helper-card {
    grid-template-columns: 5fr 6fr;
    align-items: stretch;
  }

  .page-home .helper-image img {
    max-height: none;
  }

  .page-home .latest-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .latest-card--feature {
    grid-column: 1 / -1;
  }

  .page-home .index-row {
    grid-template-columns: 4rem 7rem 7.5rem 1fr 2rem;
    align-items: center;
    gap: 0 1.25rem;
    padding: 1.15rem 1rem;
  }

  .page-home .index-no,
  .page-home .index-name,
  .page-home .index-path,
  .page-home .index-desc,
  .page-home .index-arrow {
    grid-column: auto;
    grid-row: auto;
  }

  .page-home .index-arrow {
    display: inline-block;
    font-size: 1.25rem;
    color: var(--gray-200);
    text-align: right;
    transition: color 0.25s var(--ease), transform 0.25s var(--ease);
  }

  .page-home .index-row:hover .index-arrow {
    color: var(--brand-orange);
    transform: translateX(2px);
  }
}

/* ===== 桌面适配 ===== */
@media (min-width: 1024px) {
  .page-home .container {
    --gutter: clamp(24px, 4vw, 48px);
  }

  .page-home .hero-inner {
    grid-template-columns: 8fr 4fr;
    gap: 3rem;
    align-items: end;
  }

  .page-home .hero-title {
    font-size: clamp(3rem, 6vw, 5.25rem);
  }

  .page-home .hero-lead {
    font-size: 1.0625rem;
    max-width: 36em;
  }

  .page-home .hero-aside {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .page-home .hero-num-card {
    min-height: 150px;
  }

  .page-home .home-snapshot {
    padding-top: 5rem;
    overflow: hidden;
  }

  .page-home .snapshot-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 1.25rem;
  }

  .page-home .snapshot-card {
    padding: 1.5rem 1.25rem;
  }

  .page-home .snapshot-art {
    margin-top: 3rem;
    max-width: 640px;
    margin-left: auto;
    transform: translateX(6%);
  }

  .page-home .snapshot-art img {
    box-shadow: -10px 10px 0 rgba(27, 42, 74, 0.18);
  }

  .page-home .home-updates {
    padding-top: 5.5rem;
  }

  .page-home .updates-list {
    grid-template-columns: 1fr;
  }

  .page-home .update-item {
    grid-template-columns: 3rem 5.5rem 1fr;
    align-items: start;
    padding: 1.5rem 0;
  }

  .page-home .update-index {
    grid-column: 1;
    grid-row: 1;
  }

  .page-home .update-tag {
    grid-column: 2;
    grid-row: 1;
    margin-top: 0.1rem;
  }

  .page-home .update-body {
    grid-column: 3;
    grid-row: 1;
  }

  .page-home .update-title {
    font-size: 1.125rem;
  }

  .page-home .home-index {
    padding-top: 5rem;
  }

  .page-home .index-table {
    grid-template-columns: 1fr;
  }

  .page-home .index-row {
    grid-template-columns: 5rem 8rem 8.5rem 1fr 2.5rem;
    transition: background 0.28s var(--ease), color 0.28s var(--ease);
  }

  .page-home .helper-card {
    grid-template-columns: 4fr 6fr;
  }

  .page-home .helper-content {
    padding: 2.5rem 3rem;
  }

  .page-home .helper-title {
    font-size: 1.625rem;
  }

  .page-home .home-latest {
    padding-top: 5rem;
  }

  .page-home .latest-grid {
    grid-template-columns: 1.35fr 1fr 1fr;
    align-items: stretch;
  }

  .page-home .latest-card--feature {
    grid-column: 1;
  }

  .page-home .latest-card {
    padding: 1.75rem;
  }

  .page-home .latest-card--feature .latest-title {
    font-size: 1.375rem;
  }
}

/* ===== 防窄屏溢出 ===== */
@media (max-width: 380px) {
  .page-home .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .page-home .hero-actions .btn {
    width: 100%;
  }

  .page-home .hero-num-card {
    padding: 1rem;
  }

  .page-home .update-item {
    grid-template-columns: 2rem 1fr;
    gap: 0.5rem 0.75rem;
  }

  .page-home .index-row {
    padding-inline: 0.75rem;
  }
}

.page-home {
  --pointy: transparent;
}