.page-home {
  --home-tilt: 14deg;
  --home-card-pad: clamp(20px, 3vw, 32px);
}

.page-home .hero {
  position: relative;
  overflow: hidden;
  background: var(--c-ink);
  color: var(--c-bone);
  padding-top: clamp(22px, 4vw, 38px);
  padding-bottom: clamp(30px, 5vw, 54px);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--c-gold) 0 32%, rgba(168, 176, 180, .25) 32% 100%);
  pointer-events: none;
}

.page-home .hero-band {
  position: absolute;
  top: -16%;
  right: -10%;
  width: 56%;
  height: 130%;
  background: linear-gradient(148deg, rgba(227, 178, 60, .32), rgba(227, 178, 60, 0) 66%);
  clip-path: polygon(28% 0, 100% 0, 72% 100%, 0 100%);
  pointer-events: none;
}

.page-home .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 44px);
  align-items: center;
}

.page-home .hero-copy {
  max-width: 46ch;
}

.page-home .hero-copy .breadcrumb {
  margin-bottom: 14px;
}

.page-home .hero-copy .display {
  margin: 10px 0 0;
  color: var(--c-bone);
  line-height: 1.06;
}

.page-home .hero-copy .lede {
  margin-top: 18px;
  color: rgba(243, 239, 230, .84);
  max-width: 34ch;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero-visual .media-frame {
  clip-path: polygon(0 0, 100% 0, 100% 86%, 86% 100%, 0 100%);
  background: var(--c-ink-3);
}

.page-home .hero-visual .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

.page-home .fixture-bar {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: clamp(30px, 5vw, 52px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .fixture {
  background: var(--c-ink);
  padding: 15px 18px 16px;
  transition: background .22s var(--ease);
}

.page-home .fixture:hover,
.page-home .fixture:focus-within {
  background: var(--c-ink-3);
}

.page-home .fixture-code {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--fs-data);
  font-variant-numeric: tabular-nums;
  letter-spacing: .05em;
  color: var(--c-gold);
}

.page-home .fixture-main {
  margin: 7px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -.01em;
  color: var(--c-bone);
}

.page-home .fixture-meta {
  margin: 4px 0 0;
  font-size: var(--fs-sm);
  color: var(--c-blue-soft);
}

.page-home .fixture-note {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--c-mist);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .3s var(--ease), opacity .3s var(--ease), margin-top .3s var(--ease);
}

.page-home .fixture:hover .fixture-note,
.page-home .fixture:focus-within .fixture-note {
  max-height: 90px;
  opacity: 1;
  margin-top: 10px;
}

@media (hover: none) {
  .page-home .fixture-note {
    max-height: 90px;
    opacity: 1;
    margin-top: 10px;
  }
}

/* ---------- 通用分节 ---------- */

.page-home .section-title {
  margin-top: 10px;
  margin-bottom: 14px;
  max-width: 30ch;
}

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

.page-home .grid-12 {
  row-gap: clamp(22px, 3vw, 34px);
}

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

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

/* ---------- 两条主线 ---------- */

.page-home .line-grid {
  margin-top: clamp(28px, 4vw, 44px);
}

.page-home .line-card {
  position: relative;
  padding: var(--home-card-pad);
  padding-bottom: calc(var(--home-card-pad) + 14px);
  background: rgba(76, 107, 79, .08);
  border-top: 3px solid var(--c-moss);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-home .line-card--cup {
  background: rgba(179, 102, 60, .1);
  border-top-color: var(--c-clay);
}

.page-home .line-kicker {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--fs-data);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-moss);
}

.page-home .line-card--cup .line-kicker {
  color: var(--c-clay);
}

.page-home .line-card h3 {
  margin: 8px 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-h2);
  letter-spacing: -.02em;
}

.page-home .line-card .prose {
  color: rgba(11, 43, 36, .82);
}

.page-home .step-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-home .step-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: var(--fs-sm);
  color: rgba(11, 43, 36, .78);
  padding-bottom: 11px;
  border-bottom: 1px dashed rgba(11, 43, 36, .18);
}

.page-home .step-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .step-list .data-num {
  font-size: var(--fs-data);
  color: var(--c-clay);
  flex: none;
}

.page-home .line-figure {
  margin-top: 22px;
  background: var(--c-ink);
}

.page-home .line-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: cover;
}

/* ---------- 三城前瞻 ---------- */

.page-home .seg {
  margin-top: clamp(26px, 4vw, 40px);
}

.page-home .seg-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 1px solid var(--line);
}

.page-home .seg-btn {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  color: var(--c-mist);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: .02em;
  padding: 10px 22px 13px;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .seg-btn:hover {
  color: var(--c-bone);
}

.page-home .seg-btn[aria-selected="true"],
.page-home .seg-btn.is-active {
  color: var(--c-gold);
  border-bottom-color: var(--c-gold);
}

.page-home .seg-panel {
  padding-top: clamp(20px, 3vw, 30px);
}

.page-home .seg-panel[hidden] {
  display: none;
}

.page-home .city-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
}

.page-home .city-text h3 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-h2);
  letter-spacing: -.02em;
  color: var(--c-bone);
}

.page-home .city-intro {
  margin: 0;
  max-width: 62ch;
  color: rgba(243, 239, 230, .8);
  line-height: 1.75;
}

.page-home .read-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

.page-home .read-item {
  padding: 16px 18px 18px;
  background: rgba(243, 239, 230, .05);
  border-left: 3px solid var(--c-moss);
}

.page-home .read-item--squad {
  border-left-color: var(--c-clay);
}

.page-home .read-label {
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: var(--fs-data);
  letter-spacing: .1em;
  color: var(--c-gold);
}

.page-home .read-item p:last-child {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: rgba(243, 239, 230, .74);
}

.page-home .city-extra {
  margin: 18px 0 0;
  font-size: var(--fs-sm);
  color: var(--c-mist);
}

.page-home .city-extra a {
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(227, 178, 60, .5);
}

.page-home .city-figure {
  background: var(--c-ink-3);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 88% 100%, 0 100%);
}

.page-home .city-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .cities-cta {
  margin: clamp(26px, 4vw, 38px) 0 0;
}

/* ---------- 数据归类 ---------- */

.page-home .data-grid {
  margin-top: clamp(28px, 4vw, 44px);
}

.page-home .data-card {
  position: relative;
  padding: var(--home-card-pad);
  background: rgba(11, 43, 36, .05);
  clip-path: polygon(22px 0, 100% 0, 100% 100%, 0 100%, 0 22px);
}

.page-home .data-card--pass {
  border-left: 3px solid var(--c-blue);
}

.page-home .data-card--pen {
  border-left: 3px solid var(--c-red);
}

.page-home .data-kicker {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--fs-data);
  letter-spacing: .1em;
  color: var(--c-ink);
}

.page-home .data-big {
  margin: 6px 0 0;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(46px, 7vw, 68px);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--c-blue);
}

.page-home .data-card--pen .data-big {
  color: var(--c-red);
}

.page-home .data-unit {
  margin: 6px 0 18px;
  font-size: var(--fs-sm);
  color: rgba(11, 43, 36, .62);
  letter-spacing: .04em;
}

.page-home .data-card .prose {
  color: rgba(11, 43, 36, .82);
}

.page-home .data-visual {
  margin: 0;
}

.page-home .data-visual .media-frame {
  background: var(--c-ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-home .data-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .data-visual .media-cap {
  margin-top: 10px;
  font-size: var(--fs-sm);
  color: rgba(11, 43, 36, .6);
}

.page-home .data-tags {
  margin-top: clamp(34px, 5vw, 54px);
  padding-top: clamp(24px, 3vw, 34px);
  border-top: 1px solid rgba(11, 43, 36, .16);
}

.page-home .data-tags .prose {
  max-width: 62ch;
  color: rgba(11, 43, 36, .82);
}

.page-home .tag-cloud {
  margin-top: 22px;
}

.page-home .tag {
  position: relative;
  cursor: default;
}

.page-home .tag-cat {
  position: absolute;
  bottom: calc(100% + 7px);
  left: 50%;
  transform: translateX(-50%) translateY(5px);
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  background: var(--c-ink);
  color: var(--c-gold-soft);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .08em;
  padding: 3px 9px;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 88% 100%, 0 100%);
  transition: opacity .18s var(--ease), transform .18s var(--ease);
}

.page-home .tag:hover .tag-cat,
.page-home .tag:focus-within .tag-cat {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- 更新节拍 ---------- */

.page-home #rhythm {
  background: var(--c-ink-2);
  color: var(--c-bone);
}

.page-home #rhythm .section-title {
  color: var(--c-bone);
}

.page-home #rhythm .lede {
  color: rgba(243, 239, 230, .78);
}

.page-home .rhythm-list {
  margin-top: clamp(28px, 4vw, 44px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-home .rhythm-item {
  position: relative;
  padding: 0 0 30px 30px;
  border-left: 1px solid var(--line);
}

.page-home .rhythm-item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-home .rhythm-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 4px;
  width: 11px;
  height: 11px;
  background: var(--c-gold);
  clip-path: polygon(50% 0, 100% 48%, 50% 100%, 0 48%);
}

.page-home .rhythm-item:last-child::before {
  background: var(--c-blue);
}

.page-home .rhythm-code {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--fs-data);
  letter-spacing: .12em;
  color: var(--c-gold);
}

.page-home .rhythm-title {
  margin: 9px 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-h3);
  letter-spacing: -.01em;
  color: var(--c-bone);
}

.page-home .rhythm-item p:last-child {
  margin: 0;
  max-width: 58ch;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: rgba(243, 239, 230, .74);
}

.page-home .rhythm-note {
  margin: clamp(30px, 4vw, 44px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-sm);
  color: var(--c-mist);
}

/* ---------- 下一步 ---------- */

.page-home .next-grid {
  margin-top: clamp(26px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
}

.page-home .next-card {
  display: block;
  position: relative;
  text-decoration: none;
  color: inherit;
  background: rgba(11, 43, 36, .05);
  border-top: 3px solid var(--c-gold);
  padding: 30px 24px 26px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  transition: background .22s var(--ease), transform .22s var(--ease);
}

.page-home .next-card--topics {
  border-top-color: var(--c-blue);
}

.page-home .next-card--tutorial {
  border-top-color: var(--c-moss);
}

.page-home .next-card:hover,
.page-home .next-card:focus-visible {
  background: rgba(11, 43, 36, .1);
  transform: translateY(-3px);
}

.page-home .next-idx {
  font-family: var(--font-data);
  font-size: var(--fs-data);
  letter-spacing: .14em;
  color: var(--c-clay);
}

.page-home .next-card h3 {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-h3);
  letter-spacing: -.01em;
  color: var(--c-ink);
}

.page-home .next-card p {
  margin: 0 0 18px;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: rgba(11, 43, 36, .76);
}

.page-home .next-go {
  font-family: var(--font-data);
  font-size: var(--fs-data);
  letter-spacing: .06em;
  color: var(--c-ink);
  border-bottom: 1px solid var(--c-gold);
  padding-bottom: 2px;
}

.page-home .next-sub {
  margin: clamp(24px, 3vw, 34px) 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: rgba(11, 43, 36, .7);
}

.page-home .next-sub a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--c-clay);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .read-pair {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .fixture-bar {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 720px) {
  .page-home .next-grid {
    grid-template-columns: 1.18fr 1fr .84fr;
  }

  .page-home .next-card:nth-child(1) {
    padding: 38px 26px 30px;
  }

  .page-home .next-card:nth-child(2) {
    padding: 28px 24px 44px;
  }

  .page-home .next-card:nth-child(3) {
    padding: 22px 22px 26px;
  }
}

@media (min-width: 900px) {
  .page-home .city-body {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }

  .page-home .hero-copy .lede {
    max-width: 36ch;
  }

  .page-home .rhythm-list {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(20px, 3vw, 34px);
  }

  .page-home .rhythm-item,
  .page-home .rhythm-item:last-child {
    padding: 22px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .page-home .rhythm-item::before,
  .page-home .rhythm-item:last-child::before {
    left: 0;
    top: -6px;
  }
}

@media (max-width: 1079px) {
  .page-home .grid-12 > .span-3,
  .page-home .grid-12 > .span-4,
  .page-home .grid-12 > .span-5,
  .page-home .grid-12 > .span-6,
  .page-home .grid-12 > .span-7,
  .page-home .grid-12 > .span-8,
  .page-home .grid-12 > .span-12 {
    grid-column: 1 / -1;
  }

  .page-home .grid-12 > .offset-1,
  .page-home .grid-12 > .offset-2,
  .page-home .grid-12 > .offset-3 {
    margin-left: 0;
  }
}

@media (max-width: 479px) {
  .page-home .seg-btn {
    font-size: 16px;
    padding: 9px 14px 12px;
  }

  .page-home .data-big {
    font-size: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .fixture,
  .page-home .seg-btn,
  .page-home .next-card,
  .page-home .tag-cat,
  .page-home .fixture-note {
    transition: none;
  }

  .page-home .next-card:hover,
  .page-home .next-card:focus-visible {
    transform: none;
  }
}