.page-home {
  --home-ease: var(--ease);
  --home-rule: var(--grid);
  --home-space: clamp(64px, 9vw, 144px);
  display: block;
  overflow-x: clip;
}

.page-home .section {
  padding-block: var(--home-space);
}

.page-home img {
  max-width: 100%;
  height: auto;
}

/* ---------- 面包屑 ---------- */

.page-home .home-crumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 34px);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

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

/* ---------- 首屏 ---------- */

.page-home .home-open {
  position: relative;
  isolation: isolate;
  padding-top: clamp(40px, 6vw, 88px);
  padding-bottom: clamp(56px, 8vw, 120px);
}

.page-home .home-open__figure {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  pointer-events: none;
}

.page-home .home-open__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
}

.page-home .home-open::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(4, 7, 15, 0.72) 0%, rgba(4, 7, 15, 0.9) 55%, var(--ink) 100%),
    repeating-linear-gradient(90deg, var(--text-08) 0 1px, transparent 1px 72px);
}

.page-home .home-open__wrap {
  position: relative;
  z-index: 2;
}

.page-home .home-open__grid {
  display: grid;
  gap: clamp(32px, 4.5vw, 72px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-home .home-open__title {
  margin: 14px 0 0;
  font-size: clamp(38px, 8.4vw, 88px);
  font-weight: 200;
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--text);
}

.page-home .home-open__lede {
  max-width: 34ch;
  margin: 22px 0 0;
  color: var(--text-64);
}

.page-home .home-open__edge {
  max-width: 34ch;
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 1px solid var(--magenta);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 读数面板 ---------- */

.page-home .readout {
  border: 1px solid var(--home-rule);
  background: linear-gradient(180deg, rgba(10, 17, 32, 0.94), rgba(10, 17, 32, 0.78));
  padding: clamp(16px, 2vw, 26px);
}

.page-home .readout__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--home-rule);
}

.page-home .readout__h {
  margin: 0;
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
}

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

.page-home .readout__stamp-label {
  color: var(--muted);
}

.page-home .readout__stamp-t {
  font-size: 12.5px;
  color: var(--cyan);
}

.page-home .readout__copy {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: 1px solid var(--home-rule);
  padding: 3px 9px;
  cursor: pointer;
  transition: color var(--dur) var(--home-ease), border-color var(--dur) var(--home-ease);
}

.page-home .readout__copy:hover,
.page-home .readout__copy:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan-32);
  outline: none;
}

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

.page-home .beat {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--cyan);
  animation: home-beat var(--beat) var(--home-ease) infinite;
}

@keyframes home-beat {
  0%, 100% { opacity: 0.28; }
  50% { opacity: 1; }
}

/* 档位色块 */

.page-home .readout__levels {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--home-rule);
}

.page-home .readout__levels .level {
  --lvl: var(--cyan);
  --w: 50%;
  display: block;
  border-top: 1px solid var(--home-rule);
  transition: background var(--dur) var(--home-ease);
}

.page-home .readout__levels .level:first-child {
  border-top: 0;
}

.page-home .readout__levels .level:hover {
  background: var(--cyan-08);
}

.page-home .readout__levels .level--1 { --lvl: var(--cyan); --w: 18%; }
.page-home .readout__levels .level--2 { --lvl: var(--cyan); --w: 36%; }
.page-home .readout__levels .level--3 { --lvl: var(--cyan-deep); --w: 60%; }
.page-home .readout__levels .level--4 { --lvl: var(--amber); --w: 82%; }
.page-home .readout__levels .level--5 { --lvl: var(--magenta); --w: 100%; }

.page-home .readout__levels .level__btn {
  width: 100%;
  display: grid;
  grid-template-columns: 34px 86px minmax(0, 1fr) 8px;
  align-items: center;
  gap: clamp(8px, 1.4vw, 16px);
  padding: 11px 12px;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-home .readout__levels .level__btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-home .readout__levels .level__code {
  font-size: 15px;
  font-weight: 500;
  color: var(--lvl);
  letter-spacing: 0.02em;
}

.page-home .readout__levels .level__range {
  font-size: 13px;
  color: var(--text-64);
}

.page-home .readout__levels .level__bar {
  position: relative;
  height: 3px;
  background: var(--text-08);
  overflow: hidden;
}

.page-home .readout__levels .level__bar::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--w);
  background: var(--lvl);
  transform-origin: left center;
  transition: width 380ms var(--home-ease);
}

.page-home .readout__levels .level__lamp {
  width: 8px;
  height: 8px;
  background: var(--lvl);
  opacity: 0.42;
  transition: opacity var(--dur) var(--home-ease);
}

.page-home .readout__levels .level__btn[aria-expanded="true"] .level__lamp,
.page-home .readout__levels .level__btn:hover .level__lamp {
  opacity: 1;
}

.page-home .readout__levels .level__note {
  margin: 0;
  padding: 0 12px 12px 46px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  border-left: 1px solid transparent;
  transition: color var(--dur) var(--home-ease), border-color var(--dur) var(--home-ease);
}

.page-home .readout__levels .level__btn[aria-expanded="true"] ~ .level__note {
  color: var(--text);
  border-left-color: var(--lvl);
}

/* 观测池 */

.page-home .readout__pool {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
}

.page-home .readout__pool-cell {
  padding: 14px 12px;
  border-bottom: 1px solid var(--home-rule);
}

.page-home .readout__pool-cell:last-child {
  border-bottom: 0;
}

.page-home .readout__pool-cell dt {
  margin: 0 0 6px;
  color: var(--muted);
}

.page-home .readout__pool-cell dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-home .readout__num {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-home .readout__unit {
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 分类目录 ---------- */

.page-home .home-cat__head {
  max-width: 62ch;
}

.page-home .home-cat__title {
  margin: 12px 0 0;
}

.page-home .home-cat__sub {
  margin: 12px 0 0;
  color: var(--muted);
}

.page-home .home-cat__strip {
  position: relative;
  margin: clamp(28px, 4vw, 52px) 0 0;
  border-top: 1px solid var(--home-rule);
  border-bottom: 1px solid var(--home-rule);
  overflow: hidden;
}

.page-home .home-cat__strip img {
  display: block;
  width: 100%;
  height: clamp(120px, 22vw, 240px);
  object-fit: cover;
  opacity: 0.42;
  transform: scaleX(-1);
}

.page-home .home-cat__list {
  list-style: none;
  margin: clamp(28px, 4vw, 56px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2px, 0.6vw, 8px);
}

.page-home .home-cat__item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.8vw, 34px);
  border: 1px solid var(--home-rule);
  background: var(--ink);
  transition: background var(--dur) var(--home-ease), border-color var(--dur) var(--home-ease);
}

.page-home .home-cat__item:hover,
.page-home .home-cat__item:focus-within {
  background: var(--panel);
  border-color: var(--cyan-32);
}

.page-home .home-cat__no {
  margin: 0;
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 200;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--cyan);
}

.page-home .home-cat__name {
  margin: 0;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-home .home-cat__meta {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .home-cat__link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 3px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-32);
  transition: border-color var(--dur) var(--home-ease);
}

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

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

/* ---------- 校准节奏 ---------- */

.page-home .home-cal__title {
  margin: 12px 0 0;
}

.page-home .home-cal__prose {
  margin: 18px 0 0;
  color: var(--text-64);
}

.page-home .home-facts {
  margin: clamp(22px, 3vw, 34px) 0 0;
  border-top: 1px solid var(--home-rule);
}

.page-home .home-facts__row {
  display: grid;
  grid-template-columns: minmax(88px, 0.6fr) minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--home-rule);
}

.page-home .home-facts__row dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-home .home-facts__row dd {
  margin: 0;
  font-size: 14px;
  color: var(--text);
}

.page-home .home-cal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-home .home-cal__fig {
  position: relative;
  margin: 0;
  border: 1px solid var(--home-rule);
  background: var(--panel);
}

.page-home .home-cal__fig img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.78;
}

.page-home .home-cal__cap {
  padding: 10px 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  border-top: 1px solid var(--home-rule);
}

/* ---------- 年度时间轴 ---------- */

.page-home .home-tl-sec {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.page-home .home-tl-sec__bg {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 0;
  pointer-events: none;
}

.page-home .home-tl-sec__bg img {
  display: block;
  width: 100%;
  height: clamp(180px, 30vw, 340px);
  object-fit: cover;
  opacity: 0.3;
}

.page-home .home-tl-sec::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: clamp(180px, 30vw, 340px);
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, var(--ink) 0%, rgba(4, 7, 15, 0.5) 100%);
}

.page-home .home-tl-sec__wrap {
  position: relative;
  z-index: 2;
}

.page-home .home-tl-sec__head {
  max-width: 62ch;
}

.page-home .home-tl-sec__title {
  margin: 12px 0 0;
}

.page-home .home-tl-sec__sub {
  margin: 12px 0 0;
  color: var(--muted);
}

.page-home .home-tl__scroll {
  margin-top: clamp(28px, 4vw, 52px);
  overflow-x: auto;
  border-top: 1px solid var(--home-rule);
  border-bottom: 1px solid var(--home-rule);
  scrollbar-width: thin;
}

.page-home .home-tl__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(12, minmax(86px, 1fr));
  min-width: 1000px;
}

.page-home .home-tl__node {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 30px 12px 22px;
  border-left: 1px solid var(--home-rule);
  transition: background var(--dur) var(--home-ease);
}

.page-home .home-tl__node::before {
  content: "";
  position: absolute;
  top: -3px;
  left: -2px;
  width: 5px;
  height: 5px;
  background: var(--scale);
  transition: background var(--dur) var(--home-ease), box-shadow var(--dur) var(--home-ease);
}

.page-home .home-tl__node:nth-child(4n + 1)::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--cyan-16);
}

.page-home .home-tl__node:hover {
  background: var(--cyan-08);
}

.page-home .home-tl__node:hover::before {
  background: var(--cyan);
}

.page-home .home-tl__m {
  font-size: 13px;
  color: var(--text-64);
}

.page-home .home-tl__node:nth-child(4n + 1) .home-tl__m {
  color: var(--cyan);
}

.page-home .home-tl__t {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

.page-home .home-tl-sec__foot {
  margin: clamp(20px, 3vw, 32px) 0 0;
}

.page-home .home-tl-sec__link {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-32);
  padding-bottom: 3px;
  transition: border-color var(--dur) var(--home-ease);
}

.page-home .home-tl-sec__link:hover,
.page-home .home-tl-sec__link:focus-visible {
  border-bottom-color: var(--cyan);
}

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

/* ---------- 站点信息 ---------- */

.page-home .home-info__title {
  margin: 12px 0 0;
}

.page-home .home-info__prose {
  margin: 18px 0 0;
  color: var(--text-64);
}

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

.page-home .home-info__side {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 2.6vw, 30px);
  margin-top: clamp(32px, 5vw, 0px);
}

.page-home .home-info__card {
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--home-rule);
  background: var(--panel);
}

.page-home .home-info__mail {
  margin: 12px 0 0;
  font-size: clamp(14px, 1.6vw, 17px);
  color: var(--text);
  word-break: break-all;
}

.page-home .home-info__copy {
  margin-top: 12px;
  padding: 5px 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: 1px solid var(--home-rule);
  cursor: pointer;
  transition: color var(--dur) var(--home-ease), border-color var(--dur) var(--home-ease);
}

.page-home .home-info__copy:hover,
.page-home .home-info__copy:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan-32);
}

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

.page-home .home-info__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .home-info__btn {
  margin-top: 18px;
}

.page-home .home-info__links {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--home-rule);
}

.page-home .home-info__links li {
  border-bottom: 1px solid var(--home-rule);
}

.page-home .home-info__links a {
  display: block;
  padding: 12px 0;
  font-size: 13px;
  color: var(--text-64);
  text-decoration: none;
  transition: color var(--dur) var(--home-ease), padding-left var(--dur) var(--home-ease);
}

.page-home .home-info__links a:hover,
.page-home .home-info__links a:focus-visible {
  color: var(--cyan);
  padding-left: 8px;
}

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

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-home .readout__pool {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .readout__pool-cell {
    border-bottom: 0;
    border-right: 1px solid var(--home-rule);
  }

  .page-home .readout__pool-cell:last-child {
    border-right: 0;
  }

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

@media (min-width: 980px) {
  .page-home .home-open__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: end;
  }

  .page-home .home-cat__list {
    gap: 0;
    align-items: start;
  }

  .page-home .home-cat__item {
    border-right: 0;
  }

  .page-home .home-cat__item:last-child {
    border-right: 1px solid var(--home-rule);
  }

  .page-home .home-cat__item:nth-child(2) {
    margin-top: 28px;
  }

  .page-home .home-cat__item:nth-child(3) {
    margin-top: 56px;
  }

  .page-home .home-cat {
    padding-bottom: calc(var(--home-space) + 56px);
  }

  .page-home .home-info__side {
    margin-top: 46px;
  }
}

@media (min-width: 1240px) {
  .page-home .readout__levels .level__btn {
    grid-template-columns: 38px 96px minmax(0, 1fr) 8px;
    padding: 12px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .beat {
    animation: none;
    opacity: 1;
  }

  .page-home .readout__levels .level__bar::after,
  .page-home .home-info__links a {
    transition: none;
  }
}