.page-home {
  --home-pad: clamp(20px, 5vw, 64px);
  --home-max: 1320px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
}

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

.page-home [id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0;
}

.page-home h2 {
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.1;
}

.page-home h3 {
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.2;
}

.page-home .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* ---------- 首屏 ---------- */
.page-home .stage {
  position: relative;
  padding: var(--s5) 0 var(--s6);
  overflow: hidden;
}

.page-home .stage__court {
  position: absolute;
  top: -10%;
  right: -12%;
  width: clamp(320px, 52vw, 720px);
  height: auto;
  color: var(--cyan);
  opacity: 0.09;
  pointer-events: none;
}

.page-home .stage__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s4);
}

.page-home .rail__title {
  color: var(--steel);
  margin: 0 0 var(--s2);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-home .rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--s2);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .rail__list::-webkit-scrollbar {
  display: none;
}

.page-home .rail__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.page-home .rail__list a:hover,
.page-home .rail__list a[aria-current] {
  color: var(--cyan);
  border-color: var(--line-strong);
}

.page-home .rail__list em {
  font-style: normal;
}

.page-home .rail__list .mono {
  font-size: 11px;
  color: var(--steel);
}

.page-home .stage__main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s3);
}

.page-home .focus {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
  border-radius: var(--r-lg);
  background: var(--deep);
}

.page-home .focus__img,
.page-home .focus__veil {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  clip-path: polygon(0 0, 100% 0, 100% 74%, 60% 100%, 0 100%);
}

.page-home .focus__img {
  object-fit: cover;
  object-position: center 42%;
  z-index: -2;
}

.page-home .focus__veil {
  z-index: -1;
  background: linear-gradient(155deg, rgba(5, 19, 31, 0.3) 0%, rgba(5, 19, 31, 0.86) 58%, var(--abyss) 100%);
}

.page-home .focus__figure {
  position: absolute;
  top: clamp(2px, 1.4vw, 16px);
  right: clamp(6px, 2vw, 26px);
  font-size: clamp(50px, 10vw, 124px);
  line-height: 0.82;
  letter-spacing: -0.04em;
  color: rgba(53, 224, 208, 0.14);
  -webkit-text-stroke: 1px rgba(53, 224, 208, 0.3);
  user-select: none;
}

.page-home .focus__body {
  position: relative;
  z-index: 1;
  padding: clamp(20px, 4vw, 42px);
  max-width: 620px;
}

.page-home .focus .eyebrow {
  color: var(--cyan);
  margin: 0 0 var(--s2);
}

.page-home .focus h1 {
  font-size: clamp(30px, 5vw, 54px);
  line-height: 0.98;
  margin-bottom: var(--s3);
}

.page-home .focus__lead {
  margin: 0 0 var(--s3);
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.75;
  max-width: 46ch;
}

.page-home .focus__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 4px;
}

.page-home .focus__link::after {
  content: "↓";
  font-family: var(--font-mono);
}

.page-home .focus__link:hover {
  border-bottom-color: var(--cyan);
}

.page-home .dir {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

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

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

.page-home .dir__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--s2);
  align-items: baseline;
  padding: var(--s3) 4px;
  text-decoration: none;
  color: var(--text);
  transition: background 0.25s, padding-left 0.25s;
}

.page-home .dir__link:hover,
.page-home .dir__link:focus-visible {
  background: rgba(18, 58, 80, 0.45);
  padding-left: 12px;
}

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

.page-home .dir__text {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-home .dir__text strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.page-home .dir__text em {
  font-style: normal;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
}

.page-home .dir__arrow {
  color: var(--cyan);
  transition: transform 0.25s;
}

.page-home .dir__link:hover .dir__arrow {
  transform: translateX(4px);
}

.page-home .dir__peek {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--cyan);
  transition: max-height 0.3s, opacity 0.3s, margin 0.3s;
}

.page-home .dir__item:hover .dir__peek {
  max-height: 52px;
  opacity: 1;
  margin: 0 0 var(--s3) 44px;
}

/* ---------- 规模 ---------- */
.page-home .scale {
  padding-block: var(--s6);
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .scale__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s4);
}

.page-home .scale__copy p {
  color: var(--text-muted);
  line-height: 1.8;
  margin: var(--s3) 0 0;
  max-width: 48ch;
}

.page-home .inline-link {
  color: var(--cyan);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 3px;
}

.page-home .scale__figures {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s3);
}

.page-home .fig {
  display: grid;
  gap: 6px;
  padding-bottom: var(--s3);
  border-bottom: 1px solid var(--line);
}

.page-home .bigfig {
  display: block;
  font-size: clamp(46px, 8vw, 92px);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.03em;
  background: linear-gradient(160deg, var(--ice), var(--cyan) 48%, var(--steel));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-home .bigfig--coral {
  background: linear-gradient(160deg, #ffd0bf, var(--coral) 55%, var(--coral-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-home .fig__label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  color: var(--text);
}

.page-home .fig__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-home .scale__media {
  margin: 0;
  border-radius: var(--r-organic);
  overflow: hidden;
  background: var(--surface-2);
}

.page-home .scale__media img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ---------- 四条主线 ---------- */
.page-home .lanes-section {
  padding-block: var(--s6);
}

.page-home .lanes-section .section__lead {
  color: var(--text-muted);
  margin-top: var(--s2);
  max-width: 52ch;
}

.page-home .lanes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s2);
  margin-top: var(--s4);
}

.page-home .lane {
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, var(--surface-2), var(--deep) 78%);
  display: flex;
  flex-direction: column;
  gap: var(--s2);
}

.page-home .lane--topic {
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(53, 224, 208, 0.16), transparent 62%),
    linear-gradient(155deg, var(--harbor), var(--deep) 76%);
}

.page-home .lane--chat {
  background:
    radial-gradient(100% 90% at 100% 0%, rgba(182, 255, 60, 0.12), transparent 58%),
    linear-gradient(155deg, var(--surface-2), var(--deep) 80%);
}

.page-home .lane__title {
  margin: 0;
}

.page-home .lane__lead,
.page-home .lane p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
}

.page-home .lane__cta {
  margin-top: auto;
  align-self: flex-start;
  color: var(--cyan);
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 4px;
}

.page-home .lane__cta::after {
  content: " →";
}

.page-home .lane__cta:hover {
  border-bottom-color: var(--cyan);
}

.page-home .lane .tag {
  align-self: flex-start;
}

.page-home .lane--ven__copy p {
  margin-top: var(--s2);
}

.page-home .ven__list {
  list-style: none;
  margin: var(--s2) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .ven__pill {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ice);
}

/* 分段切换 */
.page-home .tabs {
  margin-top: var(--s1);
}

.page-home .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-home .tabs__btn {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 7px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.page-home .tabs__btn:hover {
  color: var(--ice);
  border-color: var(--line-strong);
}

.page-home .tabs__btn[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--abyss);
}

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

.page-home .tabs__panel {
  margin-top: var(--s3);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
  min-height: 76px;
}

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

/* ---------- 场馆坐标 ---------- */
.page-home .coords {
  padding-block: var(--s6);
  background: var(--mist);
  color: var(--abyss);
}

.page-home .coords__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s4);
}

.page-home .coords h2 {
  color: var(--abyss);
}

.page-home .coords .eyebrow {
  color: var(--harbor);
  margin: 0 0 var(--s2);
}

.page-home .coords__copy > p {
  color: var(--harbor);
  line-height: 1.8;
  margin: var(--s3) 0 0;
  max-width: 50ch;
}

.page-home .coords__points {
  list-style: none;
  margin: var(--s4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--s2);
}

.page-home .coords__points li {
  padding-left: var(--s2);
  border-left: 3px solid var(--cyan);
  font-size: 14px;
  line-height: 1.7;
  color: var(--harbor);
}

.page-home .coords__points strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  color: var(--abyss);
  margin-bottom: 2px;
}

.page-home .coords__cta {
  display: inline-block;
  margin-top: var(--s4);
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--abyss);
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: background 0.2s;
}

.page-home .coords__cta:hover {
  background: var(--harbor);
}

.page-home .coords__media {
  margin: 0;
}

.page-home .coords__media img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--r-lg);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 0 22%, 14% 0);
}

.page-home .coords__cap {
  margin-top: var(--s2);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--harbor);
}

/* ---------- 版本 ---------- */
.page-home .version {
  padding-block: var(--s6);
  background: var(--surface);
}

.page-home .version__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s4);
}

.page-home .version__stamp {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-home .version__stamp .label {
  color: var(--steel);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-home .version__num {
  font-size: clamp(54px, 12vw, 104px);
  font-weight: 600;
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: var(--cyan);
}

.page-home .version__copy p {
  color: var(--text-muted);
  line-height: 1.8;
  margin: var(--s3) 0 0;
  max-width: 56ch;
}

.page-home .version__list {
  list-style: none;
  margin: var(--s4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--s2);
}

.page-home .version__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--s2);
  align-items: baseline;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  padding-bottom: var(--s2);
  border-bottom: 1px solid var(--line);
}

.page-home .version__k {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ice);
  padding: 3px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
}

.page-home .version__copy .lane__cta {
  margin-top: var(--s4);
}

/* ---------- 动态与约看 ---------- */
.page-home .live {
  padding-block: var(--s6) var(--s7);
}

.page-home .live__media {
  margin: 0 0 var(--s5);
}

.page-home .live__media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--r-lg);
  clip-path: polygon(0 0, 86% 0, 100% 24%, 100% 100%, 0 100%);
}

.page-home .live__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s5);
}

.page-home .live h2 {
  margin-bottom: var(--s3);
}

.page-home .feed {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--s3);
}

.page-home .feed li {
  display: grid;
  grid-template-columns: 8px auto minmax(0, 1fr);
  gap: 10px var(--s2);
  align-items: baseline;
  padding-bottom: var(--s3);
  border-bottom: 1px solid var(--line);
}

.page-home .feed__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  transform: translateY(-2px);
}

.page-home .feed time {
  font-size: 11px;
  color: var(--steel);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-home .feed p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  grid-column: 2 / -1;
}

.page-home .steps {
  list-style: none;
  margin: 0 0 var(--s4);
  padding: 0;
  counter-reset: step;
  display: grid;
  gap: var(--s2);
}

.page-home .steps__item {
  counter-increment: step;
  position: relative;
  padding: var(--s2) var(--s2) var(--s2) 52px;
  border-radius: var(--r-md);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  background: rgba(18, 58, 80, 0.34);
}

.page-home .steps__item::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: var(--s2);
  top: var(--s2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-home .steps__item strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  color: var(--text);
  margin-bottom: 2px;
}

.page-home .steps__item--now {
  background: rgba(255, 107, 69, 0.14);
  box-shadow: inset 0 0 0 1px rgba(255, 107, 69, 0.45);
}

.page-home .steps__item--now::before {
  color: var(--coral);
}

.page-home .live__note {
  margin: var(--s3) 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-home .live__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-home .focus {
    min-height: 440px;
  }

  .page-home .scale__figures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--s3);
  }

  .page-home .live__media img {
    aspect-ratio: 21 / 8;
  }
}

@media (min-width: 860px) {
  .page-home .stage__main {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    gap: var(--s3);
    align-items: stretch;
  }

  .page-home .coords__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: var(--s6);
    align-items: center;
  }

  .page-home .version__grid {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    gap: var(--s6);
    align-items: start;
  }

  .page-home .live__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--s6);
  }
}

@media (min-width: 900px) {
  .page-home .scale__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    gap: var(--s5) var(--s6);
    align-items: start;
  }

  .page-home .scale__copy {
    grid-column: 1;
    grid-row: 1;
  }

  .page-home .scale__figures {
    grid-column: 2;
    grid-row: 1 / span 2;
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .scale__media {
    grid-column: 1;
    grid-row: 2;
  }
}

@media (min-width: 820px) {
  .page-home .lanes {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--s3);
  }

  .page-home .lane--topic {
    grid-column: span 7;
    grid-row: span 2;
  }

  .page-home .lane--desk,
  .page-home .lane--chat {
    grid-column: span 5;
  }

  .page-home .lane--ven {
    grid-column: span 12;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--s4);
  }

  .page-home .lane--ven__copy {
    max-width: 58ch;
  }

  .page-home .ven__list {
    margin-top: 0;
    flex-shrink: 0;
  }
}

@media (min-width: 960px) {
  .page-home .stage__grid {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: var(--s4) var(--s5);
    align-items: start;
  }

  .page-home .rail {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-home .rail__title {
    display: block;
  }

  .page-home .rail__list {
    flex-direction: column;
    gap: var(--s3);
    overflow: visible;
  }

  .page-home .rail__list a {
    border: none;
    border-radius: 0;
    padding: 0 0 0 22px;
    position: relative;
    white-space: normal;
  }

  .page-home .rail__list a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 13px;
    height: 1px;
    background: currentColor;
    opacity: 0.6;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .dir__link,
  .page-home .dir__peek,
  .page-home .dir__arrow,
  .page-home .rail__list a,
  .page-home .tabs__btn {
    transition: none;
  }
}