.page-home {
  --home-pad: clamp(2.8rem, 6vw, 5.2rem);
  --home-gap: clamp(1rem, 2.6vw, 2.2rem);
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ===== 首屏 ===== */
.page-home .hero {
  position: relative;
  background: var(--c-deep);
  color: var(--c-paper);
  padding: clamp(2.2rem, 5vw, 3.4rem) 0 clamp(2.6rem, 6vw, 4.6rem);
  overflow: hidden;
}
.page-home .hero__wash {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(42, 27, 85, 0.92), rgba(11, 46, 68, 0.32) 58%, rgba(6, 26, 43, 0) 82%);
  clip-path: polygon(56% 0, 100% 0, 100% 100%, 24% 100%);
  pointer-events: none;
}
.page-home .hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: center;
}
.page-home .hero__context {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-ice);
}
.page-home .hero__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-lime);
  box-shadow: 0 0 0 4px rgba(183, 255, 60, 0.18);
}
.page-home .hero__title {
  margin: 0.9rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 7.4vw, 4.7rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.page-home .hero__title em {
  font-style: normal;
  color: var(--c-lime);
}
.page-home .hero__lead {
  margin: 1.1rem 0 0;
  max-width: 34ch;
  font-size: var(--step-0);
  line-height: 1.78;
  color: rgba(246, 243, 234, 0.82);
}
.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}
.page-home .hero__marks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.9rem;
  margin: 2rem 0 0;
  padding: 1rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line-light);
}
.page-home .hero__marks li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.76rem;
  line-height: 1.4;
  color: rgba(185, 234, 242, 0.8);
}
.page-home .hero__num {
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  font-weight: 700;
  color: var(--c-paper);
}
.page-home .hero__visual {
  position: relative;
  margin: 0;
  padding-bottom: 3.4rem;
}
.page-home .hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line-ice);
  clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
  filter: saturate(0.94) contrast(1.04);
}
.page-home .hero__ticks {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1.5rem;
  width: 100%;
  height: auto;
  color: var(--c-ice);
  overflow: visible;
}
.page-home .hero__tick-line {
  stroke: currentColor;
  stroke-width: 1;
  opacity: 0.42;
}
.page-home .hero__tick-group line {
  stroke: currentColor;
  stroke-width: 1;
  opacity: 0.68;
}
.page-home .hero__pulse {
  fill: var(--c-lime);
}
.page-home .hero__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--c-mist);
}

/* ===== 章节标题 ===== */
.page-home .sec-head {
  display: grid;
  gap: 0.55rem;
  margin-bottom: clamp(1.4rem, 3vw, 2.4rem);
}
.page-home .sec-num {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--c-wine);
}
.page-home .sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.005em;
  text-wrap: balance;
}
.page-home .sec-note {
  margin: 0;
  max-width: 54ch;
  font-size: 0.94rem;
  line-height: 1.72;
  color: rgba(7, 16, 24, 0.62);
}
.page-home .sec-head--light .sec-num {
  color: var(--c-lime);
}
.page-home .sec-head--light .sec-title {
  color: var(--c-paper);
}
.page-home .sec-head--light .sec-note {
  color: rgba(185, 234, 242, 0.8);
}

/* ===== 常用入口 ===== */
.page-home .launch {
  padding: var(--home-pad) 0;
  background: var(--c-paper);
}
.page-home .launch__grid {
  display: grid;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}
.page-home .launch__item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 100%;
  padding: clamp(1.1rem, 2.6vw, 1.8rem);
  background: var(--c-paper);
  color: var(--c-ink);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-home .launch__item:hover,
.page-home .launch__item:focus-visible {
  background: var(--c-deep);
  color: var(--c-paper);
  outline: none;
}
.page-home .launch__kicker {
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: var(--c-wine);
  transition: color var(--dur) var(--ease);
}
.page-home .launch__item:hover .launch__kicker,
.page-home .launch__item:focus-visible .launch__kicker {
  color: var(--c-lime);
}
.page-home .launch__title {
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.page-home .launch__text {
  font-size: 0.85rem;
  line-height: 1.68;
  opacity: 0.74;
}
.page-home .launch__arrow {
  margin-top: auto;
  padding-top: 0.8rem;
  font-size: 1.05rem;
  color: var(--c-orange);
  transition: transform var(--dur) var(--ease);
}
.page-home .launch__item:hover .launch__arrow,
.page-home .launch__item:focus-visible .launch__arrow {
  transform: translateX(4px);
}

/* ===== 球队库与订阅 ===== */
.page-home .library {
  padding: var(--home-pad) 0;
  background: var(--c-deep);
  color: var(--c-paper);
}
.page-home .library__grid {
  display: grid;
  gap: var(--home-gap);
}
.page-home .lib-card {
  display: grid;
  gap: 1rem;
  padding: clamp(0.9rem, 2vw, 1.3rem);
  background: var(--c-night);
  border: 1px solid var(--line-light);
}
.page-home .lib-card__figure {
  margin: 0;
}
.page-home .lib-card__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line-ice);
}
.page-home .lib-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: flex-start;
}
.page-home .lib-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-paper);
}
.page-home .lib-card__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(246, 243, 234, 0.78);
}
.page-home .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.3rem 0;
  padding: 0;
  list-style: none;
}
.page-home .chip {
  display: inline-block;
  padding: 0.28rem 0.7rem;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--c-ice);
  text-decoration: none;
  border: 1px solid var(--line-ice);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-home .chip:hover,
.page-home .chip:focus-visible {
  background: var(--c-ice);
  color: var(--c-deep);
  border-color: var(--c-ice);
  outline: none;
}
.page-home .chip--on {
  background: var(--c-lime);
  border-color: var(--c-lime);
  color: var(--c-deep);
  font-weight: 600;
}
.page-home .lib-card__meta {
  margin: 0;
  padding-top: 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--c-mist);
  border-top: 1px dashed var(--line-light);
}
.page-home .lib-card__body .btn {
  align-self: flex-start;
}
.page-home .sub-card {
  display: grid;
  gap: 0.75rem;
  align-content: start;
  padding: clamp(1.1rem, 2.6vw, 1.8rem);
  background: linear-gradient(180deg, rgba(42, 27, 85, 0.95), var(--c-night) 72%);
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--c-ice);
}
.page-home .sub-card__kicker {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--c-ice);
}
.page-home .sub-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.36rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-paper);
}
.page-home .sub-card__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: rgba(246, 243, 234, 0.78);
}
.page-home .sub-card__list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .sub-card__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.6rem;
  padding-top: 0.55rem;
  font-size: 0.84rem;
  line-height: 1.62;
  color: rgba(185, 234, 242, 0.86);
  border-top: 1px solid var(--line-light);
}
.page-home .sub-card__list .mono {
  font-size: 0.72rem;
  color: var(--c-lime);
}
.page-home .sub-card .btn {
  justify-self: start;
  margin-top: 0.3rem;
}

/* ===== 版本对照 ===== */
.page-home .version {
  padding: var(--home-pad) 0;
  background: var(--c-paper);
}
.page-home .version__grid {
  display: grid;
  gap: var(--home-gap);
}
.page-home .version-switch {
  position: relative;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line-dark);
}
.page-home .version-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.page-home .version-switch__tabs {
  display: flex;
  border-bottom: 1px solid var(--line-dark);
}
.page-home .version-switch__tab {
  flex: 1 1 0;
  padding: 0.85rem 0.7rem;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-mist);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-home .version-switch__tab:hover {
  color: var(--c-deep);
}
.page-home #vt-new:checked ~ .version-switch__tabs .version-switch__tab[for="vt-new"],
.page-home #vt-back:checked ~ .version-switch__tabs .version-switch__tab[for="vt-back"] {
  color: var(--c-indigo);
  border-bottom-color: var(--c-indigo);
  background: rgba(42, 27, 85, 0.07);
}
.page-home #vt-new:focus-visible ~ .version-switch__tabs .version-switch__tab[for="vt-new"],
.page-home #vt-back:focus-visible ~ .version-switch__tabs .version-switch__tab[for="vt-back"] {
  outline: 2px solid var(--c-lime);
  outline-offset: -3px;
}
.page-home .version-switch__panels {
  padding: clamp(1rem, 2.4vw, 1.6rem);
}
.page-home .vpanel {
  display: none;
}
.page-home #vt-new:checked ~ .version-switch__panels .vpanel--new,
.page-home #vt-back:checked ~ .version-switch__panels .vpanel--back {
  display: block;
}
.page-home .vlist {
  display: grid;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .vlist li {
  display: grid;
  grid-template-columns: 4.6rem minmax(0, 1fr);
  gap: 0.7rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px dashed var(--line-dark);
}
.page-home .vlist li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-home .vlist .mono {
  font-size: 0.7rem;
  letter-spacing: 0.03em;
  color: var(--c-indigo);
  padding-top: 0.18rem;
}
.page-home .vlist strong {
  display: block;
  font-size: 0.94rem;
  color: var(--c-ink);
}
.page-home .vlist p {
  margin: 0.25rem 0 0;
  font-size: 0.84rem;
  line-height: 1.68;
  color: rgba(7, 16, 24, 0.62);
}
.page-home .version__figure {
  margin: 0;
}
.page-home .version__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line-dark);
  border-bottom: 0;
}
.page-home .version__caption {
  padding: 0.6rem 0.8rem;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--c-paper);
  background: var(--c-indigo);
}

/* ===== 时间轴战报 ===== */
.page-home .timeline {
  padding: var(--home-pad) 0;
  background: var(--c-night);
  color: var(--c-paper);
}
.page-home .timeline__grid {
  display: grid;
  gap: var(--home-gap);
}
.page-home .timeline__figure {
  margin: 0;
  border: 1px solid var(--line-ice);
}
.page-home .timeline__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.page-home .timeline__caption {
  padding: 0.55rem 0.75rem;
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--c-ice);
  background: rgba(6, 26, 43, 0.7);
}
.page-home .tl {
  margin: 0;
  padding: 0 0 0 1.1rem;
  list-style: none;
  border-left: 1px solid var(--line-light);
}
.page-home .tl__item {
  position: relative;
  display: grid;
  grid-template-columns: 5.6rem minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: start;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line-light);
}
.page-home .tl__item:last-child {
  border-bottom: 0;
}
.page-home .tl__item::before {
  content: "";
  position: absolute;
  left: -1.45rem;
  top: 1.35rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-ice);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-home .tl__item:hover::before,
.page-home .tl__item:focus-within::before {
  background: var(--c-lime);
  box-shadow: 0 0 0 4px rgba(183, 255, 60, 0.22);
}
.page-home .tl__time {
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--c-ice);
  padding-top: 0.15rem;
}
.page-home .tl__title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.5;
}
.page-home .tl__link {
  color: var(--c-paper);
  text-decoration: none;
  background-image: linear-gradient(var(--c-lime), var(--c-lime));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: background-size var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-home .tl__link:hover,
.page-home .tl__link:focus-visible {
  color: var(--c-lime);
  background-size: 100% 1px;
  outline: none;
}
.page-home .tl__body p {
  margin: 0.25rem 0 0;
  font-size: 0.82rem;
  line-height: 1.68;
  color: rgba(185, 234, 242, 0.74);
}
.page-home .tl__status {
  align-self: start;
  padding: 0.18rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
  color: var(--c-lime);
  border: 1px solid rgba(183, 255, 60, 0.45);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-home .tl__item:hover .tl__status,
.page-home .tl__item:focus-within .tl__status {
  opacity: 1;
  transform: none;
}
.page-home .timeline__more {
  margin-top: 1.6rem;
}

/* ===== 团队与覆盖 ===== */
.page-home .proof {
  padding: var(--home-pad) 0;
  background: var(--c-ice);
  color: var(--c-ink);
}
.page-home .proof__stats {
  display: grid;
  gap: 1px;
  margin: 0;
  background: rgba(6, 26, 43, 0.18);
  border: 1px solid rgba(6, 26, 43, 0.18);
}
.page-home .proof__stats > div {
  display: grid;
  gap: 0.35rem;
  align-content: start;
  padding: clamp(0.9rem, 2vw, 1.35rem);
  background: var(--c-ice);
}
.page-home .proof__stats dt {
  font-size: 0.74rem;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: rgba(6, 26, 43, 0.68);
}
.page-home .proof__stats dd {
  margin: 0;
  font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  font-weight: 700;
  color: var(--c-deep);
}
.page-home .proof__line {
  margin: 1.4rem 0 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: rgba(6, 26, 43, 0.76);
}
.page-home .proof__line a {
  color: var(--c-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(6, 26, 43, 0.45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-home .proof__line a:hover,
.page-home .proof__line a:focus-visible {
  color: var(--c-wine);
  border-bottom-color: var(--c-wine);
  outline: none;
}

/* ===== 反馈与联系 ===== */
.page-home .reach {
  padding: var(--home-pad) 0;
  background: var(--c-indigo);
  color: var(--c-paper);
}
.page-home .reach__grid {
  display: grid;
  gap: var(--home-gap);
  align-items: start;
}
.page-home .reach .sec-num {
  color: var(--c-lime);
}
.page-home .reach h2 {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 800;
  line-height: 1.1;
  color: var(--c-paper);
}
.page-home .reach__copy p {
  margin: 0.9rem 0 0;
  max-width: 46ch;
  font-size: 0.92rem;
  line-height: 1.78;
  color: rgba(246, 243, 234, 0.8);
}
.page-home .reach__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.3rem;
}
.page-home .reach__card {
  display: grid;
  gap: 0.85rem;
  padding: clamp(1.1rem, 2.6vw, 1.7rem);
  background: rgba(6, 26, 43, 0.55);
  border: 1px solid var(--line-light);
}
.page-home .reach__kicker {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--c-ice);
}
.page-home .reach__line {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) auto;
  gap: 0.6rem;
  align-items: center;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line-light);
}
.page-home .reach__label {
  font-size: 0.74rem;
  color: var(--c-mist);
}
.page-home .reach__value {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--c-paper);
  word-break: break-word;
}
.page-home .reach__note {
  margin: 0;
  font-size: 0.77rem;
  line-height: 1.68;
  color: rgba(185, 234, 242, 0.75);
}
.page-home .reach__card .copy-btn {
  padding: 0.16rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  color: var(--c-lime);
  background: transparent;
  border: 1px solid rgba(183, 255, 60, 0.4);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-home .reach__card .copy-btn:hover,
.page-home .reach__card .copy-btn:focus-visible {
  background: var(--c-lime);
  color: var(--c-deep);
  outline: none;
}

/* ===== 断点 ===== */
@media (min-width: 560px) {
  .page-home .launch__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .proof__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-home .lib-card {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }
  .page-home .library__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-home .version__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-home .timeline__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
  .page-home .reach__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 1024px) {
  .page-home .launch__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .proof__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 719px) {
  .page-home .tl__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.3rem;
  }
  .page-home .tl__status {
    justify-self: start;
    opacity: 1;
    transform: none;
    margin-top: 0.3rem;
  }
}

@media (max-width: 479px) {
  .page-home .hero__marks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .reach__line {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .page-home .reach__label {
    grid-column: 1 / -1;
  }
  .page-home .vlist li {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}