.page-home {
  background: var(--ig-void);
  color: var(--ig-silver);
  overflow-x: hidden;
  overflow-wrap: break-word;
}

.page-home a:focus-visible,
.page-home button:focus-visible {
  outline: 2px solid var(--ig-lime);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-home .ig-num {
  color: var(--ig-lime);
  font-family: var(--ig-font-mono);
  font-weight: 700;
}

/* ---------- 页面上下文条 ---------- */
.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 32px;
  padding-bottom: 22px;
  font-family: var(--ig-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ig-mist);
}

.page-home .home-context__sep {
  color: var(--ig-steel);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  padding-bottom: clamp(64px, 10vw, 148px);
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: clamp(50px, 8vw, 120px);
  background: linear-gradient(180deg, rgba(13, 22, 38, 0) 0%, var(--ig-board) 100%);
  pointer-events: none;
  z-index: 3;
}

.page-home .hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 40px;
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 2.05fr) minmax(190px, .95fr);
    gap: 48px;
    align-items: start;
  }
}

.page-home .hero-kicker {
  margin: 0 0 18px;
  font-family: var(--ig-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--ig-lime);
}

.page-home .hero-title {
  margin: 0 0 26px;
  font-family: var(--ig-font-display);
  font-weight: 900;
  font-size: clamp(48px, 11vw, 128px);
  line-height: .92;
  letter-spacing: -.02em;
  color: var(--ig-white);
  transform: skewX(-1.5deg);
}

.page-home .hero-title__mark {
  display: inline-block;
  color: var(--ig-lime);
}

.page-home .hero-sub {
  max-width: 34em;
  margin: 0 0 30px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ig-silver);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-home .hero-rail {
  position: relative;
  padding-left: 22px;
}

.page-home .hero-rail::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--ig-lime) 0%, var(--ig-cyan) 40%, rgba(36, 52, 80, 0) 100%);
}

@media (max-width: 899px) {
  .page-home .hero-rail {
    padding-left: 18px;
  }
}

.page-home .hero-rail__anno {
  margin: 0 0 0 auto;
  height: 168px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--ig-font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--ig-mist);
}

.page-home .hero-rail__stats {
  display: grid;
  gap: 18px;
  margin: 0;
}

.page-home .rail-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .rail-stat dt {
  font-family: var(--ig-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ig-mist);
}

.page-home .rail-stat dd {
  margin: 0;
  font-size: 15px;
  color: var(--ig-silver);
}

.page-home .hero-figure {
  position: relative;
  z-index: 1;
  margin: 44px 0 0;
  border-radius: var(--ig-radius-l);
  overflow: hidden;
}

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

@media (min-width: 900px) {
  .page-home .hero-figure {
    position: absolute;
    right: 0;
    bottom: 0;
    width: min(44%, 600px);
    margin: 0;
    border-radius: var(--ig-radius-l) 0 0 0;
    opacity: .5;
    pointer-events: none;
    -webkit-mask-image: linear-gradient(150deg, rgba(0, 0, 0, 0) 0%, #000 58%);
    mask-image: linear-gradient(150deg, rgba(0, 0, 0, 0) 0%, #000 58%);
  }
}

/* ---------- 区块骨架 ---------- */
.page-home .home-block {
  position: relative;
  padding: clamp(56px, 8vw, 110px) 0;
}

.page-home .home-lines,
.page-home .home-assure {
  background: var(--ig-board);
}

.page-home .home-head {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(30px, 5vw, 52px);
}

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

/* ---------- 01 四条线 ---------- */
.page-home .lines-grid {
  display: grid;
  gap: 1px;
  background: var(--ig-line);
  border-radius: var(--ig-radius-l);
  overflow: hidden;
}

@media (min-width: 720px) {
  .page-home .lines-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-home .lines-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-home .line-item {
  padding: 26px 24px 32px;
  background: var(--ig-board);
  transition: background-color .24s var(--ig-ease);
}

.page-home .line-item:hover {
  background: var(--ig-line);
}

.page-home .line-item__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.page-home .line-item__time {
  font-family: var(--ig-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ig-mist);
}

.page-home .line-item__title {
  margin: 0 0 10px;
  font-family: var(--ig-font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--ig-white);
}

.page-home .line-item__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ig-silver);
}

/* ---------- 02 版本入口 ---------- */
.page-home .version-tabs {
  margin-bottom: 26px;
}

.page-home .version-panels {
  position: relative;
}

.page-home .version-panel {
  display: grid;
  gap: 26px;
  padding: clamp(24px, 4vw, 46px);
  border-radius: var(--ig-radius-l);
  background: linear-gradient(155deg, var(--ig-board) 0%, rgba(22, 35, 58, .55) 100%);
}

@media (min-width: 780px) {
  .page-home .version-panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
    gap: 48px;
  }
}

.page-home .version-panel__title {
  margin: 0 0 12px;
  font-family: var(--ig-font-display);
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 700;
  color: var(--ig-white);
}

.page-home .version-panel__body {
  max-width: 34em;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ig-silver);
}

.page-home .version-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .version-panel__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ig-silver);
}

.page-home .version-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ig-lime);
}

/* ---------- 03 订阅三步 ---------- */
.page-home .steps-list {
  list-style: none;
  margin: 0 0 clamp(32px, 5vw, 48px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ig-line);
  border-radius: var(--ig-radius-l);
  overflow: hidden;
}

@media (min-width: 800px) {
  .page-home .steps-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .step {
  padding: 30px 26px 36px;
  background: var(--ig-void);
}

.page-home .step__no {
  display: block;
  margin-bottom: 18px;
  font-family: var(--ig-font-mono);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(140deg, var(--ig-lime) 0%, var(--ig-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.page-home .step__title {
  margin: 0 0 10px;
  font-family: var(--ig-font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--ig-white);
}

.page-home .step__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ig-silver);
}

.page-home .steps-fields {
  padding-top: 28px;
  border-top: 1px solid var(--ig-line);
}

.page-home .steps-fields__title {
  margin: 0 0 18px;
  font-family: var(--ig-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--ig-mist);
}

.page-home .field-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .field-list li {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(111, 243, 220, .22);
  background: rgba(111, 243, 220, .08);
  font-size: 14px;
  line-height: 1.4;
  color: var(--ig-silver);
}

/* ---------- 04 跨端跟队 ---------- */
.page-home .home-cross {
  background: var(--ig-board);
}

.page-home .cross-grid {
  display: grid;
  gap: 36px;
}

@media (min-width: 900px) {
  .page-home .cross-grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: 56px;
    align-items: center;
  }
}

.page-home .cross-figure {
  margin: 0;
  border-radius: var(--ig-blob);
  overflow: hidden;
}

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

.page-home .cross-body .ig-section__title {
  margin-top: 10px;
}

.page-home .cross-cols {
  display: grid;
  gap: 26px;
  margin: 26px 0;
}

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

.page-home .cross-col h3 {
  margin: 0 0 12px;
  font-family: var(--ig-font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--ig-lime);
}

.page-home .cross-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .cross-col li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.68;
  color: var(--ig-silver);
}

.page-home .cross-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ig-steel);
}

.page-home .cross-note {
  margin: 0 0 22px;
  font-family: var(--ig-font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ig-mist);
}

/* ---------- 05 赛季专题索引 ---------- */
.page-home .topics-banner {
  margin: 0 0 clamp(32px, 5vw, 56px);
  border-radius: var(--ig-radius-l);
  overflow: hidden;
}

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

.page-home .topic-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.page-home .topic-filter__status {
  margin: 0 0 0 auto;
  font-family: var(--ig-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ig-mist);
}

@media (max-width: 640px) {
  .page-home .topic-filter__status {
    flex-basis: 100%;
    margin-left: 0;
  }
}

.page-home .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ig-line);
  border-radius: var(--ig-radius-l);
  overflow: hidden;
}

@media (min-width: 820px) {
  .page-home .topic-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-home .topic-item {
  background: var(--ig-void);
}

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

.page-home .topic-link {
  display: grid;
  gap: 8px;
  padding: 26px 24px 30px;
  text-decoration: none;
  color: inherit;
  transition: background-color .24s var(--ig-ease);
}

.page-home .topic-link:hover,
.page-home .topic-link:focus-visible {
  background: var(--ig-board);
}

.page-home .topic-link__no {
  font-family: var(--ig-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ig-steel);
}

.page-home .topic-link__title {
  font-family: var(--ig-font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ig-white);
}

.page-home .topic-link__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ig-mist);
}

/* ---------- 06 跟队保障 ---------- */
.page-home .assure-grid {
  display: grid;
  gap: 40px;
}

@media (min-width: 900px) {
  .page-home .assure-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 64px;
    align-items: start;
  }
}

.page-home .assure-head .ig-section__title {
  margin-top: 10px;
}

.page-home .assure-head .ig-section__lead {
  margin: 14px 0 26px;
}

.page-home .assure-list {
  margin: 0;
  border-top: 1px solid var(--ig-line);
}

.page-home .assure-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--ig-line);
}

.page-home .assure-item dt {
  margin-bottom: 10px;
  font-family: var(--ig-font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ig-white);
}

.page-home .assure-item dd {
  max-width: 40em;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ig-silver);
}

/* ---------- 尾部团队与合作 ---------- */
.page-home .home-tail {
  padding-bottom: clamp(64px, 9vw, 128px);
}

.page-home .tail-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 760px) {
  .page-home .tail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
  }
}

.page-home .tail-block {
  padding: 32px 28px 34px;
  border-radius: var(--ig-radius-l);
  background: linear-gradient(150deg, var(--ig-board) 0%, rgba(22, 35, 58, .42) 100%);
}

.page-home .tail-block h2 {
  margin: 0 0 14px;
  font-family: var(--ig-font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--ig-white);
}

.page-home .tail-block p {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ig-silver);
}

.page-home .tail-link {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(200, 255, 61, .42);
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--ig-lime);
  text-decoration: none;
  transition: color .2s var(--ig-ease), border-color .2s var(--ig-ease);
}

.page-home .tail-link:hover,
.page-home .tail-link:focus-visible {
  color: var(--ig-cyan);
  border-color: var(--ig-cyan);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .line-item,
  .page-home .topic-link,
  .page-home .tail-link {
    transition: none;
  }
}