/* ===== 首页专属样式 · 作用域 .page-home ===== */

.page-home {
  --home-rail-gap: clamp(24px, 3.2vw, 52px);
  position: relative;
  padding-block: clamp(16px, 2.4vw, 28px) clamp(56px, 9vw, 104px);
  background:
    radial-gradient(120% 70% at 88% -8%, rgba(53, 242, 192, 0.07), transparent 62%),
    radial-gradient(90% 60% at 4% 22%, rgba(31, 122, 99, 0.12), transparent 68%),
    var(--ink-950);
}

/* ---------- 面包屑 ---------- */
.page-home .page-home__crumb {
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-home__crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--slate-400);
}

.page-home__crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-home__crumb a {
  color: var(--slate-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home__crumb a:hover,
.page-home__crumb a:focus-visible {
  color: var(--cyan-200);
  border-bottom-color: var(--cyan-200);
}

.page-home__crumb [aria-current="page"] {
  color: var(--cyan-400);
}

/* ---------- 双栏骨架 ---------- */
.page-home__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 40px);
  align-items: start;
}

@media (min-width: 1080px) {
  .page-home__layout {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: var(--home-rail-gap);
  }
}

.page-home .content-area {
  min-width: 0;
}

/* ---------- 左侧索引栏 ---------- */
@media (min-width: 1080px) {
  .page-home .index-rail {
    position: sticky;
    top: 104px;
    align-self: start;
    max-height: calc(100vh - 136px);
    overflow-y: auto;
    padding-right: 8px;
    scrollbar-width: thin;
  }
}

.page-home .index-rail__title {
  margin: 0 0 12px;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--slate-400);
}

.page-home .index-nav {
  display: grid;
  gap: 3px;
}

.page-home .rail-group {
  border-left: 1px solid var(--line-faint);
  padding-left: 10px;
  transition: border-color var(--t-fast) var(--ease);
}

.page-home .rail-group[open] {
  border-left-color: rgba(53, 242, 192, 0.42);
}

.page-home .rail-group > summary {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 10px;
  border-radius: var(--radius-s);
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--paper-100);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-home .rail-group > summary::-webkit-details-marker {
  display: none;
}

.page-home .rail-group > summary:hover {
  background: var(--glass-cyan);
}

.page-home .rail-group > summary:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-home .rail-group[open] > summary {
  color: var(--cyan-400);
}

.page-home .index-nav__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-variant-numeric: tabular-nums;
  color: var(--slate-400);
  transition: color var(--t-fast) var(--ease);
}

.page-home .rail-group[open] .index-nav__num {
  color: var(--cyan-400);
}

.page-home .rail-group__body {
  display: grid;
  gap: 1px;
  padding: 2px 0 10px 24px;
  overflow: hidden;
}

.page-home .rail-group__body a {
  display: block;
  padding: 5px 9px;
  border-radius: var(--radius-s);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--slate-400);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-home .rail-group__body a:hover,
.page-home .rail-group__body a:focus-visible {
  color: var(--cyan-200);
  background: var(--glass-cyan);
}

.page-home .rail-group__body a:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -1px;
}

/* ---------- 章节与标题 ---------- */
.page-home .section {
  scroll-margin-top: 112px;
  margin-bottom: clamp(44px, 6vw, 80px);
}

.page-home .section:last-of-type {
  margin-bottom: 0;
}

.page-home .section-head {
  display: grid;
  gap: 7px;
  margin-bottom: clamp(18px, 2.4vw, 26px);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-faint);
}

.page-home .section-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
}

.page-home .section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -0.018em;
  color: var(--paper-100);
}

/* ---------- 首屏 ---------- */
.page-home__intro {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-l);
  background: linear-gradient(162deg, rgba(18, 67, 58, 0.62), rgba(5, 16, 13, 0.94) 64%);
  padding: clamp(24px, 4vw, 52px);
}

.page-home__wash {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.15;
  pointer-events: none;
}

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

.page-home__intro-inner,
.page-home__status {
  position: relative;
  z-index: 1;
}

.page-home__intro h1 {
  margin: 12px 0 16px;
  max-width: 24ch;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.6vw, 3.1rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.028em;
  color: var(--paper-100);
}

.page-home__lede {
  margin: 0;
  max-width: 62ch;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--slate-400);
}

/* ---------- 状态条 ---------- */
.page-home__status {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--line-faint);
}

.page-home__stat {
  flex: 1 1 132px;
  min-width: 0;
  padding: 14px 16px 16px;
  background: rgba(5, 16, 13, 0.78);
  transition: background var(--t-fast) var(--ease);
}

.page-home__stat:hover {
  background: rgba(12, 34, 27, 0.92);
}

.page-home__stat dt {
  margin: 0 0 7px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--slate-400);
  white-space: nowrap;
}

.page-home__stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.35;
  color: var(--paper-100);
}

.page-home__stat dd .is-num {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

.page-home__stat--warn dd .is-num {
  color: var(--amber-500);
}

/* ---------- 入口矩阵 ---------- */
.page-home__matrix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

@media (min-width: 760px) {
  .page-home__matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    margin-bottom: 46px;
  }

  .page-home__matrix > :nth-child(even) {
    margin-top: 46px;
  }
}

.page-home__entry {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px 22px 20px;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-l);
  background: linear-gradient(180deg, rgba(18, 67, 58, 0.34), rgba(10, 28, 23, 0.62));
  color: inherit;
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease);
}

.page-home__entry:hover {
  border-color: var(--cyan-400);
  transform: translateY(-2px);
  background: linear-gradient(180deg, rgba(18, 67, 58, 0.46), rgba(10, 28, 23, 0.7));
}

.page-home__entry:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
}

.page-home__entry-num {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.6vw, 3.75rem);
  font-weight: 900;
  line-height: 0.86;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(53, 242, 192, 0.4);
  font-variant-numeric: tabular-nums;
  transition: -webkit-text-stroke-color var(--t-fast) var(--ease);
}

.page-home__entry:hover .page-home__entry-num {
  -webkit-text-stroke-color: var(--cyan-400);
}

.page-home__entry h3 {
  margin: 0 0 9px;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-home__entry p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.82;
  color: var(--slate-400);
}

.page-home__entry-figure {
  margin: 0;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-m);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.page-home__entry-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.62) brightness(0.82);
  transition: filter var(--t-fast) var(--ease);
}

.page-home__entry:hover .page-home__entry-figure img {
  filter: saturate(0.85) brightness(0.95);
}

.page-home__entry-mark {
  display: block;
  width: 100%;
  height: 62px;
  color: var(--jade-500);
  opacity: 0.75;
  transition: color var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}

.page-home__entry:hover .page-home__entry-mark {
  color: var(--cyan-400);
  opacity: 1;
}

.page-home__entry-go {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--cyan-400);
}

.page-home__entry-go::after {
  content: " →";
}

/* ---------- 横向数据带 ---------- */
.page-home__band {
  margin: clamp(34px, 5vw, 62px) 0;
  color: var(--cyan-400);
  opacity: 0.38;
}

.page-home__band svg {
  display: block;
  width: 100%;
  height: 64px;
}

/* ---------- 上手三步 ---------- */
.page-home__steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 820px) {
  .page-home__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

.page-home__steps li {
  padding: 20px 20px 22px 24px;
  border-left: 2px solid var(--cyan-400);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  background: linear-gradient(90deg, rgba(53, 242, 192, 0.08), rgba(53, 242, 192, 0.01) 72%);
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home__steps li:hover {
  border-left-color: var(--cyan-200);
  background: linear-gradient(90deg, rgba(53, 242, 192, 0.14), rgba(53, 242, 192, 0.02) 78%);
}

.page-home__step-label {
  display: block;
  margin-bottom: 9px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--cyan-400);
}

.page-home__steps h3 {
  margin: 0 0 9px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.48;
  letter-spacing: -0.008em;
  color: var(--paper-100);
}

.page-home__steps p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.82;
  color: var(--slate-400);
}

/* ---------- 本周更新表 ---------- */
.page-home .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-m);
  background: rgba(10, 28, 23, 0.5);
}

.page-home .data-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.page-home .data-table caption {
  padding: 14px 18px 10px;
  text-align: left;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--slate-400);
}

.page-home .data-table th,
.page-home .data-table td {
  padding: 12px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-faint);
}

.page-home .data-table thead th {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--slate-400);
  white-space: nowrap;
  background: rgba(53, 242, 192, 0.05);
}

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

.page-home .data-table tbody tr:hover {
  background: rgba(232, 242, 238, 0.05);
}

.page-home .data-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-home .data-table td:first-child {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--paper-100);
  white-space: nowrap;
}

.page-home .data-table td:nth-child(2) {
  color: var(--cyan-200);
  font-variant-numeric: tabular-nums;
}

.page-home .data-table td:nth-child(3) {
  color: var(--slate-400);
}

.page-home .tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-home .tag--live {
  color: var(--cyan-400);
  background: rgba(53, 242, 192, 0.12);
  border: 1px solid rgba(53, 242, 192, 0.32);
}

.page-home .tag--warn {
  color: var(--amber-500);
  background: var(--warn-soft);
  border: 1px solid rgba(255, 138, 61, 0.34);
}

/* ---------- 加载与导出 ---------- */
.page-home__transport-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

@media (min-width: 860px) {
  .page-home__transport-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 36px;
    align-items: start;
  }
}

.page-home__transport-text p {
  margin: 0 0 1em;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--slate-400);
}

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

.page-home__transport-grid .media-frame {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-m);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: rgba(5, 16, 13, 0.6);
}

.page-home__transport-grid .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.66) brightness(0.86);
}

.page-home__transport-grid figcaption {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  padding: 7px 11px;
  border-radius: var(--radius-s);
  background: rgba(5, 16, 13, 0.8);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--paper-100);
}

/* ---------- 提问出口 ---------- */
.page-home__qlist {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--line-faint);
}

.page-home__qlist li {
  background: rgba(10, 28, 23, 0.58);
}

.page-home__qlist a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 18px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--paper-100);
  text-decoration: none;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-home__qlist a::after {
  content: "→";
  flex: none;
  color: var(--cyan-400);
  transition: transform var(--t-fast) var(--ease);
}

.page-home__qlist a:hover,
.page-home__qlist a:focus-visible {
  background: var(--glass-cyan);
  color: var(--cyan-200);
}

.page-home__qlist a:hover::after,
.page-home__qlist a:focus-visible::after {
  transform: translateX(4px);
}

.page-home__qlist a:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -2px;
}

.page-home__faq-more {
  margin: 20px 0 0;
}

.page-home .btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}

.page-home .btn--primary {
  color: var(--ink-950);
  background: var(--cyan-400);
  border-color: var(--cyan-400);
}

.page-home .btn--primary:hover,
.page-home .btn--primary:focus-visible {
  background: var(--cyan-200);
  border-color: var(--cyan-200);
}

.page-home .btn:focus-visible {
  outline: 2px solid var(--cyan-200);
  outline-offset: 3px;
}

/* ---------- 响应式收尾 ---------- */
@media (max-width: 560px) {
  .page-home__stat {
    flex: 1 1 100%;
  }

  .page-home__entry {
    padding: 18px 18px 16px;
  }
}

/* ---------- 动效降级 ---------- */
@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:hover {
    transform: none;
  }
}