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

.page-home {
  --hm-cut: clamp(28px, 5vw, 74px);
  --hm-edge: 2px solid var(--steel);
  --hm-flow: clamp(58px, 8.6vw, 128px);
  --hm-radius: 0;

  display: block;
  background: var(--ink);
  color: var(--chalk);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-home .mono,
.page-home .is-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.015em;
}

.page-home a:focus-visible,
.page-home summary:focus-visible,
.page-home [tabindex]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 0;
}

/* ---------------- 00 · 主题声明 ---------------- */

.page-home .hm-mast {
  position: relative;
  padding-top: clamp(24px, 4.4vw, 52px);
}

.page-home .hm-mast__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
}

.page-home .hm-mast__eyebrow {
  margin: 0;
  color: var(--mist);
}

.page-home .hm-mast__eyebrow .mono {
  color: var(--cyan);
}

.page-home .hm-mast__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.1vw, 66px);
  font-weight: 500;
  line-height: 1.03;
  letter-spacing: -0.01em;
  color: var(--chalk);
  text-wrap: balance;
}

.page-home .hm-mast__title em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  color: var(--cyan);
}

.page-home .hm-mast__lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-home .hm-mast__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-home .hm-mast__marks .mono {
  margin-right: 5px;
  font-size: 16px;
  color: var(--cyan);
}

/* 速报形态速览（首个数据锚点） */

.page-home .hm-brief {
  position: relative;
  padding: 16px 18px 14px 22px;
  background: var(--turf);
  border: var(--hm-edge);
  box-shadow: var(--shadow-hard);
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-home .hm-brief::before {
  content: "";
  position: absolute;
  left: -2px;
  top: -2px;
  bottom: -2px;
  width: 5px;
  background: var(--cyan);
}

.page-home .hm-brief:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard-lift);
}

.page-home .hm-brief__cap {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-home .hm-brief__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--steel);
}

.page-home .hm-brief__k {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-home .hm-brief__v {
  min-width: 0;
  font-size: 15px;
  text-align: right;
  color: var(--chalk);
}

.page-home .hm-brief__row--score .hm-brief__v {
  font-size: clamp(30px, 5vw, 42px);
  font-weight: 600;
  line-height: 1;
  color: var(--amber);
}

.page-home .hm-brief__foot {
  margin: 12px 0 0;
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* 章节索引 */

.page-home .hm-toc {
  margin-top: clamp(34px, 5vw, 60px);
  padding-top: clamp(16px, 2.4vw, 26px);
  border-top: var(--hm-edge);
}

.page-home .hm-toc__cap {
  margin: 0;
  color: var(--mist);
}

.page-home .hm-toc__list {
  display: grid;
  gap: 0;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .hm-toc__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  column-gap: 14px;
  min-height: 56px;
  padding: 12px 8px;
  border-bottom: 1px solid var(--steel);
  color: inherit;
  text-decoration: none;
  transition: background-color var(--ease), border-color var(--ease), padding-left var(--ease);
}

.page-home .hm-toc__link:hover,
.page-home .hm-toc__link:focus-visible {
  background: var(--turf-deep);
  border-bottom-color: var(--cyan);
  padding-left: 16px;
}

.page-home .hm-toc__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: center;
  font-size: 13px;
  color: var(--cyan);
}

.page-home .hm-toc__text {
  grid-column: 2;
  grid-row: 1;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
}

.page-home .hm-toc__label {
  grid-column: 2;
  grid-row: 2;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------------- 图带 ---------------- */

.page-home .hm-plate {
  margin-top: clamp(38px, 6vw, 78px);
}

.page-home .hm-plate .figure {
  margin: 0;
  border-top: var(--hm-edge);
  border-bottom: var(--hm-edge);
  background: var(--turf-deep);
}

.page-home .hm-plate img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .hm-plate figcaption {
  padding: 10px 2px 12px;
}

.page-home .hm-figuremid {
  margin-top: clamp(30px, 4.6vw, 62px);
}

.page-home .hm-figuremid .figure {
  margin: 0;
  background: var(--turf-deep);
  border: var(--hm-edge);
}

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

.page-home .hm-figuremid figcaption {
  padding: 10px 14px 12px;
  border-top: 1px solid var(--steel);
}

/* ---------------- 通用章节 ---------------- */

.page-home .hm-sec {
  position: relative;
  padding: var(--hm-flow) 0;
}

.page-home .hm-sec__head {
  max-width: 74ch;
}

.page-home .chapter__kicker .mono {
  color: var(--cyan);
}

.page-home .hm-sec__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

/* 01 速报切片 */

.page-home .hm-sec--bulletin {
  margin-top: clamp(38px, 6vw, 74px);
  padding-top: calc(var(--hm-flow) + var(--hm-cut));
  background: var(--turf-deep);
  clip-path: polygon(0 var(--hm-cut), 100% 0, 100% 100%, 0 100%);
}

.page-home .hm-fields {
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--hm-edge);
}

.page-home .hm-field {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 8px;
  border-bottom: 1px solid var(--steel);
  transition: background-color var(--ease), border-color var(--ease);
}

.page-home .hm-field:hover,
.page-home .hm-field:focus,
.page-home .hm-field:focus-within {
  background: var(--turf);
  border-bottom-color: var(--cyan);
}

.page-home .hm-field__idx {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 13px;
  color: var(--cyan);
}

.page-home .hm-field__body {
  flex: 1 1 auto;
  min-width: 0;
}

.page-home .hm-field__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.35;
  color: var(--chalk);
}

.page-home .hm-field__desc {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .hm-field__note {
  margin: 10px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .hm-field__note-k {
  margin-right: 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

/* 02 积分榜 */

.page-home .hm-sec--table {
  background: var(--ink);
}

.page-home .hm-board {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(30px, 4.4vw, 54px);
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--turf);
  border: var(--hm-edge);
  box-shadow: var(--shadow-hard);
}

.page-home .hm-board__main {
  min-width: 0;
}

.page-home .hm-board__cap {
  margin: 0 0 16px;
  font-size: 13.5px;
  letter-spacing: 0.05em;
  color: var(--chalk);
}

.page-home .hm-board__cap .tag {
  margin-right: 8px;
}

.page-home .hm-tablewrap {
  overflow-x: auto;
}

.page-home .hm-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-home .hm-table caption {
  padding-bottom: 12px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-home .hm-table th,
.page-home .hm-table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--steel);
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
}

.page-home .hm-table thead th {
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--mist);
  border-bottom: 2px solid var(--steel);
}

.page-home .hm-table tbody th[scope="row"] {
  font-weight: 500;
  color: var(--cyan);
  white-space: nowrap;
}

.page-home .hm-table tbody td {
  color: var(--chalk);
}

.page-home .hm-board__fold {
  margin-top: 18px;
  padding-top: 14px;
  border-top: var(--hm-edge);
}

.page-home .hm-board__fold summary {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-size: 13.5px;
  letter-spacing: 0.05em;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

.page-home .hm-board__fold summary::-webkit-details-marker {
  display: none;
}

.page-home .hm-board__fold summary::before {
  content: "＋";
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-home .hm-board__fold[open] summary::before {
  content: "－";
}

.page-home .hm-board__foldbody {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .hm-board__meta {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-home .hm-board__link {
  margin: 10px 0 0;
  font-size: 14px;
}

.page-home .hm-board__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--steel);
  padding-bottom: 2px;
  transition: border-color var(--ease), color var(--ease);
}

.page-home .hm-board__link a:hover,
.page-home .hm-board__link a:focus-visible {
  color: var(--chalk);
  border-bottom-color: var(--cyan);
}

.page-home .hm-board__fig {
  margin: 0;
}

.page-home .hm-board__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--turf-deep);
  border: var(--hm-edge);
}

.page-home .hm-board__fig figcaption {
  padding-top: 10px;
}

/* 03 前瞻 */

.page-home .hm-sec--preview {
  background: var(--ink);
  border-top: var(--hm-edge);
}

.page-home .hm-pairs {
  display: grid;
  gap: 0;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--hm-edge);
}

.page-home .hm-pairs li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  align-items: baseline;
  padding: 14px 4px;
  border-bottom: 1px solid var(--steel);
}

.page-home .hm-pairs__k {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--amber);
  white-space: nowrap;
}

.page-home .hm-pairs__v {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .hm-sec__cta {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-home .hm-sec__cta .btn {
  text-decoration: none;
}

.page-home .hm-sec__aside--edge {
  min-width: 0;
}

.page-home .hm-sec__aside--edge .figure {
  margin: 0;
  background: var(--turf-deep);
  border: var(--hm-edge);
  box-shadow: var(--shadow-soft-edge);
}

.page-home .hm-sec__aside--edge img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 3;
  object-fit: cover;
}

.page-home .hm-sec__aside--edge figcaption {
  padding: 10px 12px 12px;
  border-top: 1px solid var(--steel);
}

/* 04 更新节奏 */

.page-home .hm-sec--cadence {
  background: var(--turf-deep);
  clip-path: polygon(0 0, 100% var(--hm-cut), 100% 100%, 0 100%);
  padding-top: calc(var(--hm-flow) + var(--hm-cut));
}

.page-home .hm-cadence {
  display: grid;
  gap: 0;
  margin-top: clamp(24px, 3.6vw, 42px);
  border-top: var(--hm-edge);
}

.page-home .hm-cadence__item {
  padding: 20px 0;
  border-bottom: 1px solid var(--steel);
}

.page-home .hm-cadence__k {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-home .hm-cadence__v {
  margin: 8px 0 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .hm-limit {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 3.6vw, 44px);
  padding: 20px 20px 20px 22px;
  border: var(--hm-edge);
  border-left: 5px solid var(--amber);
  background: var(--turf);
}

.page-home .hm-limit__row {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-home .hm-limit__k {
  display: inline-block;
  margin-right: 10px;
  padding: 1px 8px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--amber);
}

.page-home .hm-limit__row a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--steel);
}

.page-home .hm-limit__row a:hover,
.page-home .hm-limit__row a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 05 沿革（反色章节） */

.page-home .hm-sec--history {
  background: var(--paper);
  color: var(--paper-ink);
  clip-path: none;
}

.page-home .hm-sec--history .chapter__title,
.page-home .hm-sec--history .prose,
.page-home .hm-sec--history .prose p {
  color: var(--paper-ink);
}

.page-home .hm-sec--history .chapter__kicker,
.page-home .hm-sec--history .eyebrow {
  color: var(--steel);
}

.page-home .hm-sec--history .chapter__kicker .mono {
  color: var(--steel);
}

.page-home .hm-sec__prose {
  max-width: 68ch;
  margin-top: clamp(16px, 2.4vw, 26px);
}

.page-home .hm-timeline {
  display: grid;
  gap: 0;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .hm-timeline__item {
  padding: 14px 0 16px;
  border-top: 2px solid var(--paper-ink);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--paper-ink);
}

.page-home .hm-timeline__y {
  display: block;
  margin-bottom: 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--steel);
}

.page-home .hm-next {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(28px, 4vw, 46px);
}

.page-home .hm-next .btn {
  text-decoration: none;
}

.page-home .hm-sec--history .btn--ghost {
  color: var(--paper-ink);
  border-color: var(--paper-ink);
}

.page-home .hm-sec--history .btn--ghost:hover,
.page-home .hm-sec--history .btn--ghost:focus-visible {
  color: var(--paper);
  background: var(--paper-ink);
}

/* ---------------- 响应式 ---------------- */

@media (min-width: 768px) {
  .page-home .hm-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 42px);
  }

  .page-home .hm-cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .hm-cadence__item {
    padding: 24px 22px 26px;
    border-bottom: none;
    border-left: 1px solid var(--steel);
  }

  .page-home .hm-cadence__item:first-child {
    padding-left: 0;
    border-left: none;
  }

  .page-home .hm-timeline {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap: 18px;
  }
}

@media (min-width: 1024px) {
  .page-home .hm-mast__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: clamp(32px, 4vw, 58px);
  }

  .page-home .hm-sec__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: clamp(32px, 4vw, 58px);
    align-items: start;
  }

  .page-home .hm-sec__grid--reverse {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  }

  .page-home .hm-sec__grid--reverse .hm-sec__aside--edge {
    order: 0;
  }

  .page-home .hm-sec__grid--reverse .hm-sec__prose {
    order: 1;
  }

  .page-home .hm-board {
    grid-template-columns: minmax(0, 1fr) minmax(0, 30%);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-home .hm-toc__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1440px) {
  .page-home .hm-sec__aside--edge {
    transform: translateX(clamp(0px, 4vw, 72px));
  }
}

/* 悬停展开口径旁注（仅限可悬停设备） */
@media (hover: hover) and (pointer: fine) and (min-width: 768px) {
  .page-home .hm-field__note {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height var(--ease), opacity var(--ease), margin-top var(--ease);
  }

  .page-home .hm-field:hover .hm-field__note,
  .page-home .hm-field:focus .hm-field__note,
  .page-home .hm-field:focus-within .hm-field__note {
    max-height: 180px;
    margin-top: 10px;
    opacity: 1;
  }
}

@media (max-width: 420px) {
  .page-home .hm-table {
    min-width: 420px;
  }

  .page-home .hm-brief__row--score .hm-brief__v {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .page-home .hm-sec__aside--edge {
    transform: none;
  }
}