.page-home {
  display: block;
  background: linear-gradient(180deg, var(--deep) 0%, var(--deep) 52%, var(--ink) 100%);
  color: var(--cedar);
  font-family: var(--font-body);
}

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

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  padding: clamp(2.2rem, 6vw, 4.5rem) 0 0;
  overflow: hidden;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(62% 50% at 84% 4%, rgba(31, 227, 196, 0.20), transparent 64%),
    radial-gradient(46% 40% at 2% 86%, rgba(244, 183, 64, 0.13), transparent 68%);
}

.page-home .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: center;
}

.page-home .eyebrow {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .hero-title {
  margin: 0.6rem 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.5rem, 8.4vw, 4.9rem);
  line-height: 1.04;
  letter-spacing: 0.015em;
  color: var(--white);
}

.page-home .hero-mark {
  display: inline-block;
  padding: 0 0.1em 0.04em;
  color: var(--ink);
  background: linear-gradient(95deg, var(--cyan) 0%, var(--mist) 68%, var(--gold) 100%);
  border-radius: 10px;
  box-shadow: 0 16px 38px -22px rgba(31, 227, 196, 0.95);
}

.page-home .hero-lead {
  margin: 1.3rem 0 0;
  max-width: 48ch;
  font-size: clamp(1rem, 1.9vw, 1.12rem);
  line-height: 1.78;
  color: rgba(233, 238, 243, 0.86);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.page-home .hero-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(31, 227, 196, 0.3);
  background: linear-gradient(150deg, rgba(31, 227, 196, 0.16), rgba(4, 16, 27, 0.62));
  box-shadow: 0 44px 84px -54px rgba(31, 227, 196, 0.75);
}

.page-home .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 信息带 ---------- */

.page-home .ticker {
  position: relative;
  z-index: 1;
  margin-top: clamp(2rem, 5vw, 3.25rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(31, 227, 196, 0.12), rgba(244, 183, 64, 0.1));
}

.page-home .ticker-track {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  overflow-x: auto;
  padding: 0.85rem var(--pad-x);
  scrollbar-width: thin;
}

.page-home .ticker-label {
  flex: 0 0 auto;
  padding-right: 1.25rem;
  margin-right: 0.5rem;
  border-right: 1px solid var(--line-strong);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .ticker-item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.32rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.86rem;
  white-space: nowrap;
  color: rgba(233, 238, 243, 0.88);
  transition: border-color var(--t-fast), background var(--t-fast), color var(--t-fast);
}

.page-home .ticker-item .mono {
  font-size: 0.7rem;
  color: var(--cyan);
  transition: color var(--t-fast);
}

.page-home .ticker-item:hover {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink);
}

.page-home .ticker-item:hover .mono {
  color: var(--ink);
}

/* ---------- 双栏骨架 ---------- */

.page-home .layout {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  padding-top: clamp(2rem, 4vw, 3.25rem);
  padding-bottom: clamp(2.6rem, 6vw, 4.5rem);
}

.page-home .col-body {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  min-width: 0;
}

.page-home .rail {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.page-home .rail-title {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--cool-gray);
}

.page-home .rail-nav {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
}

.page-home .index-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--cool-gray);
  text-decoration: none;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.page-home .index-link .mono {
  font-size: 0.68rem;
  color: var(--cool-gray);
  transition: color var(--t-fast);
}

.page-home .index-link:hover,
.page-home .index-link[aria-current="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(31, 227, 196, 0.08);
}

.page-home .index-link:hover .mono,
.page-home .index-link[aria-current="true"] .mono {
  color: var(--gold);
}

.page-home .btn-back {
  align-self: flex-start;
}

/* ---------- 区块 ---------- */

.page-home .block {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--midnight);
  padding: clamp(1.35rem, 3.4vw, 2.5rem);
  color: var(--cedar);
}

.page-home .block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--mist) 44%, var(--gold) 100%);
  opacity: 0.9;
}

.page-home .block--light {
  background: var(--cedar);
  border-color: rgba(10, 26, 42, 0.1);
  color: var(--ink-text);
}

.page-home .block-head {
  margin-bottom: 1.4rem;
}

.page-home .block--light .eyebrow {
  color: #0e7a6a;
}

.page-home .block-title {
  margin: 0.45rem 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  line-height: 1.26;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-home .block--light .block-title {
  color: var(--ink);
}

.page-home .block-lead {
  margin: 0.75rem 0 0;
  max-width: 62ch;
  font-size: 0.96rem;
  line-height: 1.78;
  color: rgba(233, 238, 243, 0.78);
}

.page-home .block--light .block-lead {
  color: rgba(27, 52, 70, 0.8);
}

.page-home .block-foot {
  margin: 1.3rem 0 0;
}

/* ---------- 三条主线 ---------- */

.page-home .route-cards {
  display: flex;
  gap: var(--gap);
  overflow-x: auto;
  padding-bottom: 0.75rem;
  scroll-snap-type: x proximity;
}

.page-home .route-card {
  flex: 0 0 min(84%, 320px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.2rem 1.2rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(31, 227, 196, 0.12), rgba(10, 26, 42, 0.34));
  color: var(--cedar);
  text-decoration: none;
  transition: border-color var(--t-mid), transform var(--t-mid), box-shadow var(--t-mid);
}

.page-home .route-card:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
  box-shadow: 0 28px 48px -36px rgba(31, 227, 196, 0.95);
}

.page-home .route-num {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-home .route-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--white);
}

.page-home .route-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(233, 238, 243, 0.78);
}

.page-home .route-go {
  margin-top: auto;
  padding-top: 0.6rem;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  opacity: 0.7;
  transform: translateX(-4px);
  transition: opacity var(--t-fast), transform var(--t-fast);
}

.page-home .route-card:hover .route-go {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- 对比速览表 ---------- */

.page-home .table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(10, 26, 42, 0.12);
  background: rgba(255, 255, 255, 0.66);
}

.page-home .compare-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.page-home .compare-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 0.72rem 0.85rem;
  text-align: left;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--cedar);
  background: var(--midnight);
  border-bottom: 1px solid rgba(31, 227, 196, 0.45);
}

.page-home .compare-table tbody th,
.page-home .compare-table tbody td {
  padding: 0.8rem 0.85rem;
  text-align: left;
  vertical-align: top;
  color: var(--ink-text);
  border-bottom: 1px solid rgba(10, 26, 42, 0.1);
}

.page-home .compare-table tbody tr {
  background: transparent;
  transition: background var(--t-fast);
}

.page-home .compare-table tbody tr:hover {
  background: rgba(31, 227, 196, 0.14);
}

.page-home .compare-table tbody th[scope="row"] {
  border-left: 3px solid transparent;
  transition: border-color var(--t-fast);
  font-weight: 600;
}

.page-home .compare-table tbody tr[data-highlight] th[scope="row"] {
  border-left-color: var(--gold);
}

.page-home .compare-table tbody tr:hover th[scope="row"] {
  border-left-color: var(--cyan);
}

.page-home .row-name {
  display: block;
}

.page-home .row-tags {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.66rem;
  letter-spacing: 0.03em;
  color: #0e7a6a;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--t-fast), opacity var(--t-fast);
}

.page-home .compare-table tbody tr:hover .row-tags,
.page-home .compare-table tbody tr:focus-within .row-tags {
  max-height: 2.6rem;
  opacity: 1;
}

/* ---------- 版本更新条目 ---------- */

.page-home .change-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-home .change-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--line);
}

.page-home .change-item:first-child {
  border-top: 0;
  padding-top: 0.2rem;
}

.page-home .change-num {
  padding-top: 0.24rem;
  font-size: 0.73rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-home .change-body h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--white);
}

.page-home .change-body p {
  margin: 0.42rem 0 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: rgba(233, 238, 243, 0.78);
}

/* ---------- 三步路径 ---------- */

.page-home .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-home .step {
  padding: 1.1rem 1.1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(10, 26, 42, 0.12);
  background: rgba(255, 255, 255, 0.68);
}

.page-home .step-num {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: #0e7a6a;
}

.page-home .step h3 {
  margin: 0.5rem 0 0;
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
}

.page-home .step p {
  margin: 0.45rem 0 0;
  font-size: 0.89rem;
  line-height: 1.76;
  color: rgba(27, 52, 70, 0.8);
}

/* ---------- 帮助卡片 ---------- */

.page-home .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-home .help-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(244, 183, 64, 0.1), rgba(10, 26, 42, 0.32));
  text-decoration: none;
  color: var(--cedar);
  transition: border-color var(--t-mid), transform var(--t-mid);
}

.page-home .help-card:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
}

.page-home .help-code {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-home .help-card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--white);
}

.page-home .help-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.76;
  color: rgba(233, 238, 243, 0.78);
}

.page-home .help-card--plain:hover {
  transform: none;
  border-color: rgba(244, 183, 64, 0.55);
}

.page-home .help-card--plain .link-underline {
  align-self: flex-start;
  margin-top: 0.35rem;
}

/* ---------- 图片容器与链接 ---------- */

.page-home .figure {
  margin: 1.5rem 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(31, 227, 196, 0.1), rgba(4, 16, 27, 0.55));
}

.page-home .figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .figure-cap {
  margin: 0;
  padding: 0.65rem 0.95rem;
  font-size: 0.76rem;
  line-height: 1.6;
  color: rgba(233, 238, 243, 0.7);
  border-top: 1px solid var(--line);
}

.page-home .block--light .figure {
  border-color: rgba(10, 26, 42, 0.12);
  background: rgba(255, 255, 255, 0.7);
}

.page-home .block--light .figure-cap {
  color: rgba(27, 52, 70, 0.72);
  border-top-color: rgba(10, 26, 42, 0.1);
}

.page-home .link-underline {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 0.92rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 227, 196, 0.5);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-home .link-underline:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-home .block--light .link-underline {
  color: #0e7a6a;
  border-bottom-color: rgba(14, 122, 106, 0.45);
}

.page-home .block--light .link-underline:hover {
  color: #a9740f;
  border-bottom-color: rgba(169, 116, 15, 0.6);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-home .step-list {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .page-home .route-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }

  .page-home .route-card {
    flex: 1 1 auto;
    min-width: 0;
  }
}

@media (min-width: 900px) {
  .page-home .hero-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-home .layout {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-home .rail {
    flex: 0 0 224px;
    position: sticky;
    top: 96px;
    border-top: 0;
    border-left: 2px solid var(--line);
    padding-top: 0;
    padding-left: 1.05rem;
  }

  .page-home .rail-nav {
    flex-direction: column;
    gap: 0.1rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-home .index-link {
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.6rem;
  }

  .page-home .col-body {
    flex: 1 1 auto;
  }

  .page-home .block:not(:first-child) {
    margin-left: clamp(0rem, 2vw, 1.6rem);
  }
}

@media (min-width: 1180px) {
  .page-home .route-card {
    flex: 1 1 auto;
  }

  .page-home .block::before {
    right: 22%;
  }
}
</main>