.page-home {
  --home-line: rgba(111, 123, 130, .26);
  --home-line-strong: rgba(111, 123, 130, .46);
  --home-gap: clamp(20px, 4vw, 44px);
  --home-pad: clamp(48px, 8vw, 92px);
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.78;
  overflow-x: hidden;
}

.page-home *,
.page-home *::before,
.page-home *::after {
  box-sizing: border-box;
}

.page-home p,
.page-home h1,
.page-home h2,
.page-home h3 {
  margin: 0;
}

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

.page-home .home-shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 通用章节标题 ---------- */
.page-home .sh {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 14px;
  align-items: start;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-home .sh__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  border: 1px solid var(--line-cyan, rgba(51, 224, 210, .44));
  border-radius: var(--radius);
  padding: 3px 7px;
  line-height: 1.5;
  margin-top: 6px;
}

.page-home .sh__t {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 4.6vw, 40px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--bone);
}

.page-home .sh__d {
  margin-top: 12px;
  max-width: 66ch;
  color: var(--text-soft);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 6vw, 56px) 0 clamp(40px, 7vw, 88px);
  background: linear-gradient(158deg, var(--blue-deep) 0%, #0D141B 52%, var(--ink) 100%);
  border-bottom: 1px solid var(--home-line);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, rgba(242, 239, 230, .035) 0 1px, transparent 1px 84px);
  pointer-events: none;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  right: -18%;
  top: -32%;
  width: 78%;
  height: 160%;
  background: radial-gradient(closest-side, rgba(51, 224, 210, .15), transparent 72%);
  pointer-events: none;
}

.page-home .hero__inner {
  position: relative;
  display: grid;
  gap: clamp(28px, 5vw, 52px);
}

.page-home .hero__ctx {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--text-mute);
  margin-bottom: 16px;
}

.page-home .hero__pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(51, 224, 210, .16), 0 0 12px rgba(51, 224, 210, .8);
  animation: home-pulse 2.6s ease-in-out infinite;
}

@keyframes home-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .45; }
}

.page-home .hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 9.2vw, 86px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--bone);
}

.page-home .hero__lede {
  margin-top: 18px;
  max-width: 58ch;
  color: var(--text-soft);
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
}

.page-home .hero__rounds {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 26px;
  padding: 12px 0 14px;
  border-top: 1px solid var(--home-line);
  border-bottom: 1px solid var(--home-line);
}

.page-home .hero__rounds-k {
  font-size: 11.5px;
  letter-spacing: .22em;
  color: var(--text-mute);
}

.page-home .hero__rounds-n {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(54px, 13vw, 118px);
  line-height: .84;
  letter-spacing: -.05em;
  color: var(--cyan);
}

.page-home .hero__rounds-meta {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-mute);
}

.page-home .hero__jump {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .jump {
  display: grid;
  grid-template-columns: 2.4em 1fr;
  grid-template-areas:
    "k t"
    "k d";
  column-gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--home-line);
  border-left: 2px solid var(--home-line-strong);
  border-radius: var(--radius);
  background: rgba(27, 42, 56, .42);
  text-decoration: none;
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}

.page-home .jump:hover,
.page-home .jump:focus-visible {
  border-color: rgba(51, 224, 210, .5);
  border-left-color: var(--cyan);
  background: rgba(27, 42, 56, .78);
  transform: translateY(-2px);
}

.page-home .jump__k {
  grid-area: k;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-dim);
  padding-top: 3px;
}

.page-home .jump__t {
  grid-area: t;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--bone);
}

.page-home .jump__d {
  grid-area: d;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-mute);
  margin-top: 3px;
}

.page-home .hero__aside {
  display: grid;
  gap: 0;
  align-self: start;
}

.page-home .hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--home-line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--blue-mid);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 26px));
  box-shadow: 0 18px 48px rgba(0, 0, 0, .5);
}

.page-home .hero__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .92;
}

.page-home .hero__strip {
  display: flex;
  gap: 6px;
  margin-top: 14px;
}

.page-home .hero__seg {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-align: center;
  padding: 7px 4px;
  color: var(--text-mute);
  border-top: 1px solid var(--home-line);
  background: linear-gradient(180deg, rgba(27, 42, 56, .55), transparent);
}

.page-home .hero__seg--on {
  color: var(--cyan);
  border-top-color: var(--cyan);
}

.page-home .hero__seg--live {
  color: var(--yellow);
  border-top-color: var(--yellow);
}

/* ---------- 02 时间轴 ---------- */
.page-home .axis {
  padding: var(--home-pad) 0;
}

.page-home .axis__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

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

.page-home .axis__media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--home-line);
  border-radius: var(--radius);
  filter: saturate(.85);
}

.page-home .axis__figcap {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-mute);
}

.page-home .axis__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .axis__item {
  position: relative;
  padding: 0 0 26px 26px;
  border-left: 1px solid var(--home-line);
}

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

.page-home .axis__node {
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(51, 224, 210, .13), 0 0 14px rgba(51, 224, 210, .7);
}

.page-home .axis__time {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--cyan-dim);
}

.page-home .axis__t {
  margin-top: 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
  color: var(--bone);
}

.page-home .axis__d {
  margin-top: 7px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 03 阵容与排名 ---------- */
.page-home .board {
  padding: var(--home-pad) 0;
  background: linear-gradient(180deg, var(--blue-deep), var(--ink) 70%);
  border-top: 1px solid var(--home-line);
}

.page-home .board__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-home .board__cards {
  display: grid;
  gap: 12px;
}

.page-home .tag-card {
  padding: 18px 18px 20px;
  border: 1px solid var(--home-line);
  border-radius: var(--radius);
  background: rgba(27, 42, 56, .5);
  transition: border-color .18s ease, transform .18s ease;
}

.page-home .tag-card:hover {
  border-color: rgba(51, 224, 210, .48);
  transform: translateY(-2px);
}

.page-home .tag-card__k {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
  border-bottom: 1px solid rgba(51, 224, 210, .45);
  padding-bottom: 3px;
}

.page-home .tag-card__t {
  margin-top: 12px;
  font-size: 16.5px;
  font-weight: 500;
  color: var(--bone);
}

.page-home .tag-card__d {
  margin-top: 7px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-home .board__media {
  margin: 0;
  align-self: start;
}

.page-home .board__media img {
  width: 100%;
  border: 1px solid var(--home-line-strong);
  border-radius: var(--radius);
  object-fit: cover;
}

.page-home .board__cap {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--text-mute);
  padding-left: 12px;
  border-left: 2px solid var(--cyan-dim);
}

/* ---------- 04 电脑版与版本说明 ---------- */
.page-home .deck {
  padding: var(--home-pad) 0;
  background: var(--blue-deep);
  border-top: 1px solid var(--home-line);
  border-bottom: 1px solid var(--home-line);
}

.page-home .deck__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-home .deck__cards {
  display: grid;
  gap: 12px;
}

.page-home .deck__card {
  display: block;
  padding: 20px;
  border: 1px solid var(--home-line);
  border-radius: var(--radius);
  background: rgba(11, 15, 18, .55);
  text-decoration: none;
  transition: border-color .18s ease, transform .18s ease, background .18s ease;
}

.page-home .deck__card:hover,
.page-home .deck__card:focus-visible {
  border-color: var(--cyan);
  background: rgba(27, 42, 56, .6);
  transform: translateY(-2px);
}

.page-home .deck__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-home .deck__t {
  display: block;
  margin-top: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.3;
  color: var(--bone);
}

.page-home .deck__d {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-home .deck__more {
  display: block;
  margin-top: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-mute);
  transition: max-height .18s ease, opacity .18s ease, margin-top .18s ease;
}

.page-home .deck__card:hover .deck__more,
.page-home .deck__card:focus-visible .deck__more {
  max-height: 90px;
  opacity: 1;
  margin-top: 10px;
}

.page-home .deck__media {
  margin: 0;
  align-self: start;
}

.page-home .deck__media img {
  width: 100%;
  border: 1px solid var(--home-line-strong);
  border-radius: var(--radius);
  object-fit: cover;
}

.page-home .deck__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--text-mute);
}

/* ---------- 05 使用记录与收藏 ---------- */
.page-home .records {
  padding: var(--home-pad) 0;
}

.page-home .records__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-home .records__p {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.82;
}

.page-home .records__foot {
  margin-top: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-mute);
  padding-left: 12px;
  border-left: 2px solid var(--moss);
}

.page-home .fold {
  margin-top: 22px;
  border: 1px solid var(--home-line);
  border-radius: var(--radius);
  background: rgba(27, 42, 56, .42);
}

.page-home .fold__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: none;
  border: 0;
  color: var(--text);
  font-family: inherit;
  font-size: 14.5px;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: color .18s ease;
}

.page-home .fold__btn:hover {
  color: var(--cyan);
}

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

.page-home .fold__icon {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
  transition: transform .18s ease;
}

.page-home .fold[data-open] .fold__icon {
  transform: rotate(45deg);
}

.page-home .fold__body {
  display: grid;
  grid-template-rows: 1fr;
  overflow: hidden;
}

.page-home .fold__inner {
  padding: 2px 16px 18px;
  border-top: 1px solid var(--home-line);
}

.page-home .fold__steps {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 9px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-home .fold__steps li::marker {
  font-family: var(--font-mono);
  color: var(--cyan-dim);
}

.page-home .records__side {
  padding: 22px 20px;
  border: 1px solid var(--home-line-strong);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(27, 42, 56, .82), rgba(16, 26, 36, .62));
  align-self: start;
}

.page-home .side__t {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--bone);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--home-line);
}

.page-home .side__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-home .side__n {
  display: inline-block;
  min-width: 2.4em;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--yellow);
  margin-right: 8px;
}

.page-home .home-btn {
  display: inline-flex;
  align-items: center;
  margin-top: 20px;
  padding: 11px 18px;
  border: 1px solid var(--line-cyan, rgba(51, 224, 210, .44));
  border-radius: var(--radius);
  background: rgba(51, 224, 210, .07);
  color: var(--cyan);
  font-size: 14px;
  text-decoration: none;
  transition: background .18s ease, border-color .18s ease;
}

.page-home .home-btn:hover,
.page-home .home-btn:focus-visible {
  background: rgba(51, 224, 210, .16);
  border-color: var(--cyan);
}

/* ---------- 06 信任 ---------- */
.page-home .trust {
  padding: var(--home-pad) 0 calc(var(--home-pad) + 8px);
  background: linear-gradient(180deg, var(--ink), var(--blue-deep));
  border-top: 1px solid var(--home-line);
}

.page-home .trust__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .trust__item {
  padding: 20px 16px;
  background: var(--blue-deep);
  display: grid;
  gap: 6px;
}

.page-home .trust__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -.03em;
}

.page-home .trust__num em {
  font-style: normal;
  font-size: .5em;
  color: var(--orange);
  margin-left: 2px;
  vertical-align: super;
}

.page-home .trust__label {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-mute);
}

.page-home .trust__notes {
  margin-top: clamp(24px, 4vw, 38px);
  display: grid;
  gap: 14px;
  max-width: 72ch;
}

.page-home .trust__notes p {
  color: var(--text-soft);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-home .trust__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--home-line);
}

.page-home .home-link {
  color: var(--text);
  font-size: 14.5px;
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--home-line-strong);
  transition: color .18s ease, border-color .18s ease;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .axis__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

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

  .page-home .trust__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .hero__inner {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-home .hero__aside {
    margin-top: 44px;
  }

  .page-home .board__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-home .deck__grid {
    grid-template-columns: 8fr 4fr;
    align-items: start;
  }

  .page-home .records__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-home .axis__list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--home-line);
    padding-top: 30px;
  }

  .page-home .axis__item {
    padding: 0 20px 0 0;
    border-left: 0;
  }

  .page-home .axis__node {
    left: 0;
    top: -35px;
  }
}

@media (min-width: 1140px) {
  .page-home .hero {
    padding-bottom: clamp(64px, 7vw, 104px);
  }
}

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

  .page-home .jump,
  .page-home .tag-card,
  .page-home .deck__card,
  .page-home .fold__icon,
  .page-home .deck__more {
    transition: none;
  }

  .page-home .jump:hover,
  .page-home .jump:focus-visible,
  .page-home .tag-card:hover,
  .page-home .deck__card:hover,
  .page-home .deck__card:focus-visible {
    transform: none;
  }
}