.page-home {
  --home-rail-w: 178px;
  --home-tick: 96px;
  --home-clock-len: 553;
  position: relative;
  background-color: var(--yb-void);
  background-image:
    linear-gradient(to right, var(--yb-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--yb-line-soft) 1px, transparent 1px);
  background-size: var(--home-tick) var(--home-tick);
  color: var(--yb-body-text);
  font-family: var(--yb-font-body);
}

/* ============ 首屏 ============ */
.page-home .home-hero {
  position: relative;
  padding: clamp(1.5rem, 5vw, 3rem) 0 clamp(1.75rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--yb-line);
}

.page-home .home-hero__title {
  margin: clamp(0.9rem, 2.5vw, 1.4rem) 0 0;
  max-width: 18ch;
  color: var(--yb-ink);
}

.page-home .home-hero__lede {
  margin-top: clamp(0.75rem, 2vw, 1.1rem);
  color: var(--yb-muted);
  max-width: 46ch;
}

.page-home .home-collage {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--yb-line);
  border-left: 1px solid var(--yb-line);
  margin-top: clamp(1.5rem, 4vw, 2.75rem);
}

.page-home .home-block {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: clamp(1.1rem, 3vw, 1.75rem);
  background: var(--yb-panel);
  border-right: 1px solid var(--yb-line);
  border-bottom: 1px solid var(--yb-line);
  transition: background-color 0.22s ease, box-shadow 0.22s ease;
}

.page-home .home-block:hover {
  background: var(--yb-elevated);
  box-shadow: inset 0 0 0 1px var(--yb-signal-a35);
}

.page-home .home-block__big {
  display: flex;
  align-items: baseline;
  gap: 0.15em;
  font-size: clamp(3.25rem, 12vw, 5.25rem);
  line-height: 0.92;
  color: var(--yb-signal);
  margin: 0.15rem 0 0;
  transition: transform 0.24s ease;
}

.page-home .home-block__big--sm {
  font-size: clamp(2.25rem, 8vw, 3.25rem);
}

.page-home .home-block:hover .home-block__big {
  transform: translateY(-4px);
}

.page-home .home-block__unit {
  font-family: var(--yb-font-display);
  font-size: 0.28em;
  letter-spacing: 0.04em;
  color: var(--yb-muted);
}

.page-home .home-block__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.62;
  color: var(--yb-body-text);
  max-width: 34em;
}

.page-home .home-block__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.35rem 0 0;
}

.page-home .home-block__cta {
  margin: auto 0 0;
  padding-top: 0.6rem;
}

.page-home .home-block__head {
  margin: 0;
  color: var(--yb-ink);
}

.page-home .home-block--b {
  display: block;
  position: relative;
  padding: 0;
  min-height: 330px;
  overflow: hidden;
}

.page-home .home-block__media {
  position: absolute;
  inset: 0;
}

.page-home .home-block__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-home .home-block__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(165deg, rgba(5, 9, 15, 0.15) 0%, rgba(5, 9, 15, 0.94) 74%);
}

.page-home .home-block--b .home-block__body {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.65rem;
  min-height: 330px;
  padding: clamp(1.1rem, 3vw, 1.75rem);
}

/* ============ 主体骨架 ============ */
.page-home .home-body {
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.page-home .home-body__inner {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
}

.page-home .home-rail {
  display: none;
}

.page-home .home-stream {
  min-width: 0;
}

.page-home .home-sec {
  padding: clamp(2.25rem, 6vw, 4.25rem) 0;
  border-bottom: 1px solid var(--yb-line);
}

.page-home .home-sec:last-child {
  border-bottom: 0;
}

.page-home .home-sec__title {
  margin: 0.6rem 0 0;
  color: var(--yb-ink);
}

.page-home .home-sec__lede {
  margin-top: clamp(0.7rem, 2vw, 1rem);
  color: var(--yb-muted);
  max-width: 44ch;
}

.page-home .home-sec__para {
  margin: clamp(1rem, 2.5vw, 1.4rem) 0 0;
  font-size: 1rem;
  line-height: 1.68;
  color: var(--yb-body-text);
  max-width: 34em;
}

.page-home .home-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-home .home-split__main {
  min-width: 0;
}

.page-home .home-media {
  margin: 0;
  width: 100%;
}

.page-home .home-media--3x2 {
  aspect-ratio: 3 / 2;
}

.page-home .home-media--banner {
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

/* ============ 01 刷新提速 ============ */
.page-home .home-refresh {
  position: relative;
  display: grid;
  place-items: center;
  padding: clamp(0.5rem, 2vw, 1.25rem) 0 clamp(1rem, 3vw, 1.75rem);
  overflow: hidden;
}

.page-home .home-refresh__ghost {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -58%);
  margin: 0;
  font-size: clamp(7rem, 30vw, 144px);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--yb-line-strong);
  opacity: 0.55;
  pointer-events: none;
  user-select: none;
}

.page-home .home-clock {
  position: relative;
  width: min(258px, 74vw);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  cursor: default;
}

.page-home .home-clock__ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.page-home .home-clock__track,
.page-home .home-clock__arc {
  fill: none;
}

.page-home .home-clock__track {
  stroke: var(--yb-line);
  stroke-width: 2;
}

.page-home .home-clock__arc {
  stroke: var(--yb-signal);
  stroke-width: 3;
  stroke-dasharray: var(--home-clock-len);
  stroke-dashoffset: 0;
  animation: home-ring-sweep 15s linear infinite;
}

.page-home .home-clock:hover .home-clock__arc {
  animation-play-state: paused;
}

.page-home .home-clock__readout {
  position: relative;
  z-index: 2;
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 0.1em;
  color: var(--yb-signal);
  line-height: 1;
}

.page-home .home-clock__value {
  font-size: clamp(3rem, 13vw, 5rem);
  font-weight: 700;
}

.page-home .home-clock__unit {
  font-family: var(--yb-font-display);
  font-size: 1rem;
  color: var(--yb-muted);
}

.page-home .home-clock__cap {
  position: absolute;
  bottom: 12%;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  font-family: var(--yb-font-serif);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yb-muted);
  white-space: nowrap;
}

@keyframes home-ring-sweep {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: 553; }
}

.page-home .home-checks {
  list-style: none;
  margin: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  padding: 0;
  border-top: 1px solid var(--yb-line);
}

.page-home .home-checks li {
  position: relative;
  padding: 0.85rem 0 0.85rem 1.35rem;
  border-bottom: 1px solid var(--yb-line-soft);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--yb-body-text);
}

.page-home .home-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35rem;
  width: 6px;
  height: 6px;
  background: var(--yb-signal);
}

/* ============ 02 三条主路径 ============ */
.page-home .home-paths {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--yb-line);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-home .home-path {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: clamp(1.1rem, 3vw, 1.75rem) clamp(0.75rem, 2vw, 1.25rem) clamp(1.1rem, 3vw, 1.75rem) 0;
  border-bottom: 1px solid var(--yb-line);
}

.page-home .home-path:last-child {
  border-bottom: 0;
}

.page-home .home-path__idx {
  margin: 0;
  font-size: 2.35rem;
  line-height: 1;
  color: var(--yb-signal);
  opacity: 0.6;
}

.page-home .home-path h3 {
  margin: 0;
  color: var(--yb-ink);
}

.page-home .home-path p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.62;
  color: var(--yb-body-text);
  max-width: 32em;
}

.page-home .home-path__link {
  margin-top: auto;
  padding-top: 0.9rem;
}

/* ============ 03 比赛日推送 ============ */
.page-home .home-log {
  list-style: none;
  margin: clamp(1.25rem, 3vw, 2rem) 0 0;
  padding: 0;
}

.page-home .home-log__item {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 0 clamp(0.9rem, 2.5vw, 1.5rem);
  padding: clamp(0.95rem, 2.5vw, 1.35rem) 0;
  border-bottom: 1px solid var(--yb-line-soft);
}

.page-home .home-log__stamp {
  margin: 0;
  padding-top: 0.15rem;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--yb-signal);
}

.page-home .home-log__stamp::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  margin-bottom: 0.55rem;
  background: var(--yb-signal);
}

.page-home .home-log__col {
  min-width: 0;
}

.page-home .home-log__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--yb-ink);
}

.page-home .home-log__text {
  margin: 0.35rem 0 0;
  font-size: 0.92rem;
  line-height: 1.62;
  color: var(--yb-body-text);
  max-width: 34em;
}

.page-home .home-log__more {
  margin-top: 0.45rem;
}

.page-home .home-log__more summary {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
  font-size: 0.86rem;
  color: var(--yb-action);
}

.page-home .home-log__more summary::-webkit-details-marker {
  display: none;
}

.page-home .home-log__more summary::before {
  content: "+";
  font-family: var(--yb-font-mono);
  font-size: 1rem;
  line-height: 1;
}

.page-home .home-log__more[open] summary::before {
  content: "−";
}

.page-home .home-log__more p {
  margin: 0.15rem 0 0.35rem;
  padding-left: 1.45rem;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--yb-muted);
  max-width: 34em;
}

/* ============ 04 来自你的改动 ============ */
.page-home .home-split--flip {
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

/* ============ 05 服务范围 ============ */
.page-home .home-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--yb-line);
  border: 1px solid var(--yb-line);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-home .home-stat {
  background: var(--yb-panel);
  padding: clamp(1rem, 3vw, 1.5rem) clamp(0.85rem, 2.5vw, 1.25rem);
}

.page-home .home-stat__num {
  display: block;
  font-size: clamp(2rem, 7vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--yb-signal);
}

.page-home .home-stat p {
  margin: 0.6rem 0 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--yb-muted);
}

.page-home .home-contact {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.1rem, 3vw, 1.75rem);
  background: var(--yb-elevated);
  border-left: 2px solid var(--yb-action);
}

.page-home .home-contact__label {
  margin: 0;
  font-family: var(--yb-font-serif);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yb-action);
}

.page-home .home-contact__list {
  margin: 1rem 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-home .home-contact__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--yb-line-soft);
}

.page-home .home-contact__row dt {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--yb-muted);
}

.page-home .home-contact__row dd {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--yb-ink);
  word-break: break-word;
}

.page-home .home-contact__row dd a {
  color: var(--yb-signal);
  text-decoration: none;
  border-bottom: 1px solid var(--yb-signal-a35);
}

.page-home .home-contact__row dd a:hover {
  border-bottom-color: var(--yb-signal);
}

.page-home .home-contact__note {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--yb-muted);
  max-width: 40em;
}

.page-home .home-contact__cta {
  margin: 1.1rem 0 0;
}

/* ============ 06 版本节奏 ============ */
.page-home .home-scale {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-home .home-tick {
  position: relative;
  padding: 1.5rem 0 1.25rem;
  border-bottom: 1px solid var(--yb-line-soft);
}

.page-home .home-tick::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 10px;
  background: var(--yb-line-strong);
}

.page-home .home-tick--now::before {
  width: 2px;
  background: var(--yb-action);
}

.page-home .home-tick__ver {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  color: var(--yb-muted);
}

.page-home .home-tick--now .home-tick__ver {
  color: var(--yb-action);
}

.page-home .home-tick__name {
  margin: 0.5rem 0 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--yb-ink);
}

.page-home .home-tick p {
  margin: 0.45rem 0 0;
  font-size: 0.9rem;
  line-height: 1.62;
  color: var(--yb-body-text);
  max-width: 30em;
}

.page-home .home-tail {
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  font-size: 0.95rem;
  color: var(--yb-muted);
}

.page-home .home-tail__links {
  margin: 0.9rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ============ 响应式 ============ */
@media (min-width: 620px) {
  .page-home .home-contact__row {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }

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

@media (min-width: 760px) {
  .page-home .home-split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .home-split--flip {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  }

  .page-home .home-split--flip > figure {
    order: 0;
  }

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

  .page-home .home-path {
    border-bottom: 0;
    padding-right: clamp(1rem, 2.5vw, 1.5rem);
  }

  .page-home .home-path + .home-path {
    border-left: 1px solid var(--yb-line);
    padding-left: clamp(1rem, 2.5vw, 1.5rem);
  }

  .page-home .home-log__item {
    grid-template-columns: 104px minmax(0, 1fr);
  }

  .page-home .home-scale {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--yb-line);
    padding-top: 1.25rem;
  }

  .page-home .home-tick {
    border-bottom: 0;
    border-right: 1px solid var(--yb-line-soft);
    padding: 1rem clamp(0.9rem, 2vw, 1.25rem) 0.5rem 0;
  }

  .page-home .home-tick:last-child {
    border-right: 0;
  }

  .page-home .home-tick::before {
    top: -1.25rem;
  }
}

@media (min-width: 900px) {
  .page-home .home-body__inner {
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr);
    gap: clamp(1.75rem, 4vw, 3.25rem);
  }

  .page-home .home-rail {
    display: block;
    position: sticky;
    top: 132px;
    padding: clamp(2.25rem, 6vw, 4.25rem) 0 2rem;
  }

  .page-home .home-rail__label {
    margin: 0 0 0.85rem;
    font-family: var(--yb-font-serif);
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--yb-muted);
  }

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

  .page-home .home-rail__link {
    display: block;
    margin-left: -1px;
    padding: 0.55rem 0 0.55rem 0.95rem;
    border-left: 2px solid transparent;
    font-size: 12px;
    letter-spacing: 0.06em;
    line-height: 1.5;
    color: var(--yb-muted);
    text-decoration: none;
    transition: color 0.16s ease, border-color 0.16s ease;
  }

  .page-home .home-rail__link:hover {
    color: var(--yb-ink);
  }

  .page-home .home-rail__link[data-toc-link][aria-current="true"] {
    color: var(--yb-signal);
    border-left-color: var(--yb-signal);
  }

  .page-home .home-collage {
    grid-template-columns: 4fr 5fr 3fr;
    align-items: start;
  }

  .page-home .home-block--a {
    min-height: 322px;
  }

  .page-home .home-block--b,
  .page-home .home-block--b .home-block__body {
    min-height: 428px;
  }

  .page-home .home-block--c {
    min-height: 288px;
    margin-top: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-clock__arc {
    animation: none;
    stroke-dashoffset: 0;
  }

  .page-home .home-block,
  .page-home .home-block__big,
  .page-home .home-rail__link {
    transition: none;
  }

  .page-home .home-block:hover .home-block__big {
    transform: none;
  }
}