/* ==================== 首页专属样式 ==================== */

.page-home {
  --home-gutter: clamp(16px, 4vw, 48px);
  --home-line: rgba(11, 34, 57, .12);
  --home-line-dark: rgba(199, 208, 216, .18);
  --home-line-dark-2: rgba(199, 208, 216, .34);
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home h2,
.page-home h3 {
  font-family: var(--font-display);
  font-weight: 600;
}

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

/* 栏目色相 */
.page-home .hue-moss { --tone: var(--moss); }
.page-home .hue-terracotta { --tone: var(--terracotta); }
.page-home .hue-mineral { --tone: var(--mineral); }
.page-home .hue-aurora { --tone: var(--aurora); }
.page-home .hue-coral { --tone: var(--coral); }
.page-home .hue-abyss { --tone: var(--abyss); }

/* 通用小标 */
.page-home .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-home .band-head {
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-home .band-head__title {
  margin: 0 0 12px;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.28;
  letter-spacing: .06em;
  color: var(--abyss);
}

.page-home .band-head__note {
  margin: 0;
  max-width: 42em;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--ink-mute);
}

/* ==================== 首屏 ==================== */
.page-home .hero {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--paper);
  border-bottom: 1px solid var(--home-line);
}

.page-home .hero__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
  padding: clamp(44px, 9vw, 96px) var(--home-gutter) clamp(36px, 7vw, 72px);
}

.page-home .hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-home .hero__eyebrow::before {
  content: "";
  flex: none;
  width: 34px;
  height: 1px;
  background: var(--coral);
}

.page-home .hero h1 {
  margin: 0;
  max-width: 15em;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(30px, 4.6vw, 54px);
  line-height: 1.18;
  letter-spacing: .01em;
  color: var(--abyss);
}

.page-home .hero__lead {
  margin: 0;
  max-width: 32em;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-home .hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  width: 100%;
  margin: 10px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--home-line);
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .1em;
  color: var(--stone);
}

.page-home .hero__visual {
  position: relative;
  min-height: 300px;
  overflow: hidden;
  background: var(--abyss);
}

.page-home .hero__visual .chart {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

@media (min-width: 900px) {
  .page-home .hero {
    grid-template-columns: 7fr 5fr;
    min-height: 70vh;
  }
  .page-home .hero__copy {
    justify-content: center;
    padding-right: clamp(32px, 5vw, 72px);
  }
  .page-home .hero__visual {
    min-height: 100%;
  }
}

/* ==================== 最近 12 期目录 ==================== */
.page-home .toc-band {
  padding: clamp(56px, 9vw, 104px) 0 clamp(48px, 8vw, 88px);
  background: var(--abyss);
  color: var(--silver);
}

.page-home .toc-band .eyebrow {
  color: var(--aurora);
}

.page-home .toc-band__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: clamp(30px, 5vw, 56px);
}

.page-home .toc-band__intro h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.26;
  letter-spacing: .06em;
  color: var(--paper);
}

.page-home .toc-band__note {
  margin: 0;
  max-width: 36em;
  font-size: var(--step-2);
  line-height: 1.85;
  color: var(--silver);
  opacity: .78;
}

.page-home .toc-band .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .08em;
  color: var(--stone);
}

@media (min-width: 860px) {
  .page-home .toc-band__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
    align-items: end;
    gap: 48px;
  }
}

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

.page-home .toc-item__link {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "code time"
    "title title"
    "tags tags";
  align-items: center;
  gap: 8px 12px;
  padding: 17px 14px 17px 18px;
  border-top: 1px solid var(--home-line-dark);
  text-decoration: none;
  transition: background-color .2s ease;
}

.page-home .toc-item__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background-color .2s ease;
}

.page-home .toc-item:hover .toc-item__link {
  background: rgba(199, 208, 216, .07);
}

.page-home .toc-item:hover .toc-item__link::before {
  background: var(--tone, var(--aurora));
}

.page-home .toc-item__code {
  grid-area: code;
  font-size: var(--step-2);
  letter-spacing: .14em;
  color: var(--tone, var(--silver));
}

.page-home .toc-item__title {
  grid-area: title;
  font-size: var(--step-3);
  line-height: 1.55;
  color: var(--paper);
}

.page-home .toc-item__tags {
  grid-area: tags;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-home .toc-item__time {
  grid-area: time;
  justify-self: end;
  font-size: var(--step-1);
  letter-spacing: .1em;
  color: var(--stone);
  white-space: nowrap;
}

@media (min-width: 768px) {
  .page-home .toc-item__link {
    grid-template-columns: 78px minmax(0, 1fr) auto 96px;
    grid-template-areas: "code title tags time";
    gap: 18px;
    padding: 18px 18px;
  }
}

/* ==================== 标签 ==================== */
.page-home .tag {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--home-line);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .06em;
  line-height: 1.5;
  color: var(--ink-mute);
  background: transparent;
  white-space: nowrap;
}

.page-home .toc-band .tag {
  border-color: var(--home-line-dark-2);
  color: var(--silver);
}

/* ==================== 六栏目 ==================== */
.page-home .col-band {
  padding: clamp(56px, 9vw, 104px) 0;
  background: var(--paper-2);
}

.page-home .col-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}

.page-home .col-card {
  background: var(--paper-2);
}

.page-home .col-card__link {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: 26px 24px 28px;
  border-top: 3px solid var(--tone, var(--silver));
  text-decoration: none;
  color: inherit;
  transition: background-color .2s ease;
}

.page-home .col-card__link:hover {
  background: #FFFFFF;
}

.page-home .col-card__code {
  font-size: var(--step-1);
  letter-spacing: .2em;
  color: var(--tone, var(--stone));
}

.page-home .col-card__name {
  margin: 0;
  font-size: var(--step-4);
  letter-spacing: .08em;
  color: var(--abyss);
}

.page-home .col-card__desc {
  flex: 1;
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.78;
  color: var(--ink-mute);
}

.page-home .col-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

@media (min-width: 620px) {
  .page-home .col-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1000px) {
  .page-home .col-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ==================== 当季资源 ==================== */
.page-home .res-band {
  padding: clamp(56px, 9vw, 110px) 0;
  background: var(--paper);
}

.page-home .res-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

@media (min-width: 900px) {
  .page-home .res-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }
}

.page-home .res-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px 26px 30px;
  background: var(--paper-2);
  border: 1px solid var(--home-line);
  border-top: 4px solid var(--coral);
  box-shadow: 8px 8px 0 -1px rgba(11, 34, 57, .06), 16px 16px 0 -2px rgba(11, 34, 57, .03);
}

.page-home .res-card__code {
  font-size: var(--step-1);
  letter-spacing: .2em;
  color: var(--coral);
}

.page-home .res-card__title {
  margin: 0;
  font-size: var(--step-4);
  letter-spacing: .08em;
  color: var(--abyss);
}

.page-home .res-card__desc {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--ink-mute);
}

.page-home .res-card__figure {
  margin: 4px 0 6px;
}

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

.page-home .res-versions__title {
  margin: 0 0 14px;
  font-size: var(--step-4);
  letter-spacing: .08em;
  color: var(--abyss);
}

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

.page-home .fold {
  border-bottom: 1px solid var(--home-line);
}

.page-home .fold__button {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 4px;
  background: none;
  border: 0;
  text-align: left;
  font: inherit;
  color: var(--abyss);
  cursor: pointer;
}

.page-home .fold__button:hover .fold__label {
  color: var(--coral);
}

.page-home .fold__index {
  flex: none;
  min-width: 108px;
  font-size: var(--step-1);
  letter-spacing: .14em;
  color: var(--coral);
}

.page-home .fold__label {
  flex: 1;
  font-family: var(--font-display);
  font-size: var(--step-3);
  letter-spacing: .05em;
  transition: color .2s ease;
}

.page-home .fold__arrow {
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--stone);
  border-bottom: 2px solid var(--stone);
  transform: rotate(45deg);
  transition: transform .2s ease;
}

.page-home .fold__button[aria-expanded="true"] .fold__arrow {
  transform: rotate(135deg);
}

.page-home .fold__panel {
  overflow: hidden;
}

.page-home .fold__panel-inner {
  max-width: 48em;
  padding: 0 4px 22px 0;
  font-size: var(--step-2);
  line-height: 1.85;
  color: var(--ink-mute);
}

.page-home .fold__panel-inner p {
  margin: 0;
}

@media (min-width: 620px) {
  .page-home .fold__panel-inner {
    padding-left: 122px;
  }
}

/* ==================== 数据速览 ==================== */
.page-home .stat-band {
  padding: clamp(56px, 9vw, 110px) 0;
  background: var(--midnight);
  color: var(--silver);
}

.page-home .stat-band .eyebrow {
  color: var(--aurora);
}

.page-home .stat-band .band-head__title {
  color: var(--paper);
}

.page-home .stat-band__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-home .stat-copy__lead {
  margin: 0;
  max-width: 42em;
  font-size: var(--step-2);
  line-height: 1.85;
  color: var(--silver);
  opacity: .82;
}

.page-home .stat-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  background: var(--home-line-dark);
  border: 1px solid var(--home-line-dark);
}

.page-home .stat {
  padding: 20px 18px 22px;
  background: var(--abyss);
}

.page-home .stat dt {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .1em;
  line-height: 1.6;
  color: var(--stone);
}

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

.page-home .stat__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1;
  letter-spacing: .03em;
  color: var(--aurora);
}

.page-home .stat__unit {
  font-size: var(--step-1);
  letter-spacing: .06em;
  color: var(--silver);
}

.page-home .stat-figure {
  margin: 0;
}

.page-home .stat-band .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .08em;
  color: var(--stone);
}

@media (min-width: 900px) {
  .page-home .stat-band__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: center;
  }
}

/* ==================== 结尾行动 ==================== */
.page-home .close-band {
  padding: clamp(56px, 9vw, 110px) 0;
  background: var(--paper);
}

.page-home .close-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 28px 0 40px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}

.page-home .close-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 30px 26px 32px;
  background: var(--paper-2);
  text-decoration: none;
  color: inherit;
  transition: background-color .2s ease;
}

.page-home .close-card:hover {
  background: #FFFFFF;
}

.page-home .close-card__code {
  font-size: var(--step-1);
  letter-spacing: .22em;
  color: var(--coral);
}

.page-home .close-card h3 {
  margin: 0;
  font-size: var(--step-4);
  letter-spacing: .07em;
  color: var(--abyss);
}

.page-home .close-card p {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--ink-mute);
}

.page-home .close-card__go {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--home-line);
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .14em;
  color: var(--abyss);
}

@media (min-width: 760px) {
  .page-home .close-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-home .close-figure {
  margin: 0;
}

.page-home .close-note {
  margin: 26px 0 0;
  font-size: var(--step-2);
  line-height: 1.85;
  color: var(--ink-mute);
}

.page-home .close-note a {
  color: var(--abyss);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .2s ease;
}

.page-home .close-note a:hover {
  color: var(--coral);
}

/* ==================== 窄屏兜底 ==================== */
@media (max-width: 480px) {
  .page-home .toc-item__code,
  .page-home .toc-item__time {
    font-size: var(--step-1);
  }
  .page-home .fold__index {
    min-width: 0;
  }
  .page-home .fold__button {
    flex-wrap: wrap;
    gap: 8px;
  }
  .page-home .fold__panel-inner {
    padding-left: 0;
  }
  .page-home .stat-list {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .toc-item__link,
  .page-home .toc-item__link::before,
  .page-home .col-card__link,
  .page-home .fold__arrow,
  .page-home .fold__label,
  .page-home .close-card {
    transition: none;
  }
}