/* ============================================
   首页 page-home
   ============================================ */

.page-home {
  --ph-gap: clamp(16px, 4vw, 40px);
  --ph-y: clamp(44px, 8vw, 96px);
  --ph-line: rgba(201, 162, 39, 0.32);
  --ph-line-soft: rgba(201, 162, 39, 0.16);

  display: block;
  background: var(--ink);
  color: var(--sand);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-home *,
.page-home *::before,
.page-home *::after {
  box-sizing: border-box;
}

.page-home p {
  margin: 0 0 1.05em;
}

.page-home p:last-child {
  margin-bottom: 0;
}

.page-home a:focus-visible,
.page-home button:focus-visible {
  outline: 2px solid var(--jade-light);
  outline-offset: 2px;
}

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

.page-home .page-home__band {
  padding-left: var(--ph-gap);
  padding-right: var(--ph-gap);
}

.page-home .page-home__link {
  color: var(--jade-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 179, 162, 0.45);
  padding-bottom: 2px;
  transition: color 120ms ease-out, border-color 120ms ease-out;
}

.page-home .page-home__link:hover {
  color: var(--gold-soft);
  border-color: var(--gold-soft);
}

/* ---------- 上下文条 ---------- */

.page-home .page-home__context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  padding-top: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--paper-line);
}

.page-home .page-home__coord {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

/* ---------- 首屏 ---------- */

.page-home .page-home__hero {
  position: relative;
  padding: var(--ph-y) 0 calc(var(--ph-y) * 0.78);
  background: radial-gradient(115% 85% at 6% 0%, rgba(201, 162, 39, 0.13) 0%, rgba(15, 27, 42, 0) 58%);
}

.page-home .page-home__hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: clamp(80px, 13vw, 152px);
  height: clamp(80px, 13vw, 152px);
  background: conic-gradient(from 200deg at 0% 0%,
      var(--gold) 0deg,
      rgba(201, 162, 39, 0) 55deg,
      var(--sandbrown) 95deg,
      rgba(138, 90, 43, 0) 152deg,
      var(--gold-soft) 215deg,
      rgba(227, 196, 98, 0) 288deg,
      var(--gold) 360deg);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  opacity: 0.34;
  pointer-events: none;
}

.page-home .page-home__hero-inner {
  position: relative;
  z-index: 1;
  padding-left: var(--ph-gap);
  padding-right: var(--ph-gap);
}

.page-home .page-home__intro {
  max-width: 860px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-home .page-home__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-home .page-home__title {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(28px, 5.2vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--sand);
}

.page-home .page-home__lead {
  max-width: 720px;
  color: var(--stone);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

/* ---------- 7:5 分屏 ---------- */

.page-home .page-home__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 34px);
}

@media (min-width: 1024px) {
  .page-home .page-home__split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

/* ---------- 左列：入口索引 ---------- */

.page-home .page-home__index {
  position: relative;
  isolation: isolate;
  padding: clamp(16px, 2.4vw, 26px);
}

.page-home .page-home__index::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(20, 38, 58, 0.94), rgba(11, 20, 32, 0.94));
  border: 2px solid var(--ph-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-home .page-home__index-media {
  margin: 0 0 clamp(16px, 2.4vw, 22px);
}

.page-home .page-home__index-media .media__inner {
  aspect-ratio: 880 / 520;
  overflow: hidden;
  border: 2px solid rgba(201, 162, 39, 0.35);
}

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

.page-home .page-home__entries {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .entry__link {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
  padding: 16px 18px 16px 20px;
  background: rgba(11, 20, 32, 0.74);
  border: 2px solid rgba(201, 162, 39, 0.24);
  color: var(--sand);
  text-decoration: none;
  transition: transform 120ms ease-out, box-shadow 120ms ease-out,
    border-color 120ms ease-out, background-color 120ms ease-out;
}

.page-home .entry__link::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 0;
  background: var(--gold);
  transition: width 120ms ease-out;
}

.page-home .entry__link:hover,
.page-home .entry__link:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard-hi);
  border-color: var(--gold);
  background: rgba(20, 38, 58, 0.96);
}

.page-home .entry__link:hover::before,
.page-home .entry__link:focus-visible::before {
  width: 4px;
}

.page-home .entry__num {
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-home .entry__title {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-title);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--sand);
}

.page-home .entry__desc {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .entry__go {
  align-self: center;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold);
  transition: transform 120ms ease-out;
}

.page-home .entry__link:hover .entry__go,
.page-home .entry__link:focus-visible .entry__go {
  transform: translateX(4px);
}

/* ---------- 右列：版本时间轴 ---------- */

.page-home .page-home__timeline {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  background: var(--ink-2);
  border: 2px solid var(--ph-line);
}

.page-home .page-home__timeline-tex {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.page-home .page-home__timeline-tex img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-home .page-home__timeline-tex::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 27, 42, 0.5) 0%, rgba(15, 27, 42, 0.95) 100%);
}

.page-home .page-home__timeline > *:not(.page-home__timeline-tex) {
  position: relative;
  z-index: 1;
}

.page-home .page-home__timeline-kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-home .page-home__timeline-title {
  margin: 0 0 20px;
  font-family: var(--font-title);
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 800;
  color: var(--sand);
}

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

.page-home .tl__item {
  position: relative;
  padding: 0 0 22px 30px;
  border-left: 2px solid rgba(201, 162, 39, 0.28);
}

.page-home .tl__item:last-child {
  padding-bottom: 4px;
  border-left-color: transparent;
}

.page-home .tl__item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 5px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--gold);
}

.page-home .tl__item:first-child::before {
  background: var(--gold-soft);
  box-shadow: 0 0 0 5px rgba(227, 196, 98, 0.16);
}

.page-home .tl__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 6px;
}

.page-home .tl__ver {
  position: relative;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--gold-soft);
  cursor: help;
}

.page-home .tl__ver::after {
  content: attr(data-summary);
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  width: max-content;
  max-width: 240px;
  padding: 8px 11px;
  background: var(--ink-3);
  border: 1px solid var(--gold);
  color: var(--sand);
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 120ms ease-out;
  z-index: 30;
  pointer-events: none;
}

.page-home .tl__ver:hover::after {
  opacity: 1;
  visibility: visible;
}

.page-home .tl__text {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

.page-home .tl__when {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-home .page-home__timeline-more {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--ph-line);
  font-size: 14px;
}

/* ---------- 发布通道 ---------- */

.page-home .page-home__channels {
  padding: var(--ph-y) 0;
  border-top: 1px solid var(--ph-line-soft);
  background: var(--ink);
}

.page-home .page-home__head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-home .page-home__channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 36px);
}

@media (min-width: 900px) {
  .page-home .page-home__channels-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

.page-home .page-home__channels-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .channel {
  padding: 16px 18px;
  background: rgba(20, 38, 58, 0.62);
  border-left: 4px solid var(--gold);
  transition: transform 120ms ease-out, background-color 120ms ease-out;
}

.page-home .channel:hover {
  transform: translateY(-2px);
  background: rgba(20, 38, 58, 0.95);
}

.page-home .channel--lts {
  border-left-color: var(--sandbrown);
}

.page-home .channel--preview {
  border-left-color: var(--jade);
}

.page-home .channel__head {
  margin: 0 0 6px;
}

.page-home .channel__name {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 800;
  color: var(--sand);
}

.page-home .channel__rate {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-soft);
}

.page-home .channel__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .page-home__channels-media {
  margin: 0;
}

.page-home .page-home__channels-media .media__inner {
  aspect-ratio: 960 / 640;
  overflow: hidden;
  border: 2px solid var(--ph-line);
}

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

.page-home .page-home__channels-media .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .page-home__channels-cta {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

/* ---------- 文档分类（浅色区） ---------- */

.page-home .page-home__docs {
  padding: var(--ph-y) 0;
  background: var(--sand);
  color: var(--ink);
  border-top: 2px solid var(--gold);
}

.page-home .page-home__head--light .section-head__num {
  color: var(--sandbrown);
}

.page-home .page-home__head--light .section-head__title {
  color: var(--ink);
}

.page-home .page-home__head--light .section-head__note {
  color: var(--umber);
}

.page-home .page-home__docs-lead {
  max-width: 760px;
  margin-bottom: clamp(20px, 3vw, 30px);
  font-size: 15px;
  line-height: 1.8;
  color: var(--umber);
}

.page-home .page-home__docs-grid {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 30px);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 640px) {
  .page-home .page-home__docs-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-home .page-home__docs-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .doc__link {
  display: block;
  height: 100%;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.52);
  border: 2px solid var(--stone);
  color: var(--ink);
  text-decoration: none;
  transition: transform 120ms ease-out, border-color 120ms ease-out,
    background-color 120ms ease-out, box-shadow 120ms ease-out;
}

.page-home .doc__link:hover,
.page-home .doc__link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--gold);
  background: #ffffff;
  box-shadow: 6px 6px 0 rgba(138, 90, 43, 0.22);
}

.page-home .doc__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--sandbrown);
}

.page-home .doc__name {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

.page-home .doc__hint {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--umber);
}

.page-home .page-home__docs-more {
  padding-top: 18px;
  border-top: 1px dashed var(--stone);
}

.page-home .drawer__head {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: transparent;
  border: 2px solid var(--sandbrown);
  color: var(--sandbrown);
  font-family: var(--font-title);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 120ms ease-out, color 120ms ease-out;
}

.page-home .drawer__head:hover {
  background: var(--sandbrown);
  color: var(--sand);
}

.page-home .drawer__panel {
  padding-top: 16px;
}

.page-home .page-home__docs-extra {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .page-home__docs-extra li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--stone);
}

.page-home .page-home__docs-extra-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--sandbrown);
  padding-top: 3px;
}

.page-home .page-home__docs-extra-name {
  font-family: var(--font-title);
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
}

.page-home .page-home__docs-extra-hint {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.65;
  color: var(--umber);
}

/* ---------- 服务范围 ---------- */

.page-home .page-home__service {
  padding: var(--ph-y) 0;
  background: var(--ink);
}

.page-home .page-home__service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 36px);
}

@media (min-width: 900px) {
  .page-home .page-home__service-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

.page-home .page-home__service-media {
  margin: 0;
}

.page-home .page-home__service-media .media__inner {
  aspect-ratio: 1000 / 600;
  overflow: hidden;
  border: 2px solid var(--ph-line);
}

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

.page-home .page-home__service-media .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .page-home__service-body > p:first-child {
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
}

.page-home .page-home__ledger {
  margin: 0 0 20px;
  border-top: 1px solid var(--paper-line);
}

.page-home .page-home__ledger-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 12px 2px;
  border-bottom: 1px solid var(--paper-line);
}

.page-home .page-home__ledger-row dt {
  font-size: 14px;
  color: var(--muted);
}

.page-home .page-home__ledger-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--gold-soft);
  text-align: right;
}

.page-home .page-home__service-link {
  font-size: 14px;
}

/* ---------- 订阅与通道 ---------- */

.page-home .page-home__subscribe {
  padding: var(--ph-y) 0;
  background:
    linear-gradient(135deg, rgba(138, 90, 43, 0.3) 0%, rgba(15, 27, 42, 0) 58%),
    var(--ink-2);
  border-top: 2px solid var(--ph-line);
  border-bottom: 2px solid var(--ph-line);
}

.page-home .page-home__subscribe-inner {
  max-width: 800px;
}

.page-home .page-home__subscribe-title {
  margin: 0 0 16px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.2;
  color: var(--sand);
}

.page-home .page-home__subscribe-inner > p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
}

.page-home .page-home__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 20px;
}

.page-home .page-home__tip {
  padding: 12px 16px;
  border-left: 4px solid var(--clay);
  background: rgba(192, 73, 47, 0.12);
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 收束索引 ---------- */

.page-home .page-home__outro {
  padding: clamp(34px, 6vw, 64px) 0 calc(var(--ph-y) * 0.72);
}

.page-home .page-home__outro-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 2px solid var(--ph-line);
}

@media (min-width: 720px) {
  .page-home .page-home__outro-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-home .page-home__outro-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-home .page-home__outro-list li {
  border-bottom: 2px solid var(--ph-line);
  border-right: 1px solid var(--ph-line-soft);
}

.page-home .page-home__outro-list a {
  display: block;
  padding: 20px 18px 22px;
  color: var(--sand);
  text-decoration: none;
  transition: background-color 120ms ease-out, color 120ms ease-out;
}

.page-home .page-home__outro-list a:hover,
.page-home .page-home__outro-list a:focus-visible {
  background: var(--gold);
  color: var(--ink);
}

.page-home .page-home__outro-name {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 800;
}

.page-home .page-home__outro-desc {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .page-home__outro-list a:hover .page-home__outro-desc,
.page-home .page-home__outro-list a:focus-visible .page-home__outro-desc {
  color: rgba(15, 27, 42, 0.78);
}

/* ---------- 动效克制 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .page-home .entry__link:hover,
  .page-home .entry__link:focus-visible,
  .page-home .doc__link:hover,
  .page-home .doc__link:focus-visible,
  .page-home .channel:hover {
    transform: none;
  }
}
</main>