.page-home {
  --home-scan: rgba(0, 230, 210, .045);
  --home-cut: clamp(20px, 5vw, 64px);
  background: var(--ink);
  color: var(--white);
  overflow-x: hidden;
}

.page-home .mono {
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

/* ---------- 面包屑与上下文 ---------- */
.page-home .home-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 20px;
  padding-top: 18px;
}

.page-home .home-crumb__note {
  font-size: 12px;
  color: var(--gray);
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ---------- 首屏分屏 ---------- */
.page-home .hero {
  position: relative;
  padding: 26px 0 0;
  border-bottom: 1px solid var(--line);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--home-scan) 0 1px,
    transparent 1px 5px
  );
  pointer-events: none;
}

.page-home .hero__wrap {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
  padding-bottom: 44px;
}

.page-home .hero__kicker {
  margin: 0 0 16px;
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .16em;
  text-transform: uppercase;
}

.page-home .hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(32px, 8.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-home .hero__lede {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray);
}

.page-home .hero__points {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .hero__points li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
  border-left: 2px solid var(--magenta);
}

.page-home .hero__pt-num {
  display: inline-block;
  min-width: 2.2em;
  color: var(--yellow);
  font-weight: 700;
}

.page-home .hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 版本视觉 */
.page-home .verstage {
  display: grid;
  gap: 0;
}

.page-home .verstage__frame {
  position: relative;
  border: 1px solid var(--cyan);
  background: var(--ink-2);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.page-home .verstage__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 230, 210, .07) 0 1px,
    transparent 1px 6px
  );
  pointer-events: none;
}

.page-home .verstage__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 6 / 5;
  object-fit: cover;
  opacity: .7;
  filter: saturate(.85) contrast(1.08);
}

.page-home .verstage__plate {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 22px 20px 18px;
  display: grid;
  gap: 4px;
  background: linear-gradient(to top, rgba(5, 7, 12, .96) 34%, rgba(5, 7, 12, 0) 100%);
}

.page-home .verstage__caption {
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-home .verstage__num {
  font-family: var(--font-mono);
  font-size: clamp(64px, 17vw, 132px);
  font-weight: 700;
  line-height: .92;
  color: var(--yellow);
  text-shadow: 3px 0 0 rgba(255, 45, 122, .75), -3px 0 0 rgba(0, 230, 210, .75);
}

.page-home .verstage__meta {
  font-size: 13px;
  color: var(--white);
  opacity: .8;
}

.page-home .verdrop {
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--ink-2);
}

.page-home .verdrop__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
}

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

.page-home .verdrop__sum::after {
  content: "+";
  font-size: 16px;
  color: var(--magenta);
}

.page-home .verdrop[open] .verdrop__sum::after {
  content: "–";
}

.page-home .verdrop__list {
  margin: 0;
  padding: 0 18px 6px;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-home .verdrop__list li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray);
  border-left: 2px solid var(--line);
  padding-left: 12px;
}

.page-home .verdrop__n {
  display: inline-block;
  min-width: 1.6em;
  color: var(--yellow);
  font-weight: 700;
}

.page-home .verdrop__foot {
  margin: 0;
  padding: 6px 18px 16px;
  font-size: 13px;
  color: var(--gray);
}

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

/* ---------- 三条线入口 ---------- */
.page-home .lanes {
  padding: 56px 0 48px;
}

.page-home .lanes__head {
  margin-bottom: 26px;
}

.page-home .lanes__grid {
  display: grid;
  gap: 18px;
}

.page-home .lane {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 24px 22px 22px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: border-color .22s ease, transform .22s ease;
}

.page-home .lane:hover,
.page-home .lane:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-home .lane__no {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gray);
}

.page-home .lane__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.2;
  color: var(--white);
}

.page-home .lane__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-home .lane__go {
  margin-top: 4px;
  font-size: 13px;
  color: var(--cyan);
}

.page-home .lane--prob .lane__go {
  color: var(--magenta);
}

.page-home .lane--res .lane__go {
  color: var(--yellow);
}

.page-home .lanes__side {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-home .lanes__side a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 230, 210, .5);
}

/* ---------- 版本变化 ---------- */
.page-home .changes {
  padding: 48px 0;
  border-top: 1px solid var(--line);
}

.page-home .changes__grid {
  display: grid;
  gap: 30px;
}

.page-home .changelist {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
  counter-reset: chg;
}

.page-home .changelist__item {
  position: relative;
  padding: 22px 18px 22px 20px;
  border-left: 2px solid var(--line);
  background: linear-gradient(to right, rgba(11, 18, 32, .9), rgba(11, 18, 32, 0));
  transition: border-color .2s ease;
}

.page-home .changelist__item:hover {
  border-left-color: var(--magenta);
}

.page-home .changelist__title {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.3;
  color: var(--white);
}

.page-home .changelist__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--gray);
}

.page-home .changes__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-home .sidecard {
  padding: 22px 20px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  box-shadow: var(--shadow-1);
}

.page-home .sidecard--dim {
  border-top-color: var(--line);
  box-shadow: none;
  background: transparent;
}

.page-home .sidecard__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  color: var(--white);
}

.page-home .sidecard__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-home .sidecard--dim .sidecard__text {
  margin-bottom: 0;
}

/* ---------- 夺冠概率 ---------- */
.page-home .prob {
  padding: 52px 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(160deg, var(--ink-2) 0%, var(--ink) 62%);
}

.page-home .prob__grid {
  display: grid;
  gap: 30px;
}

.page-home .prob__lede {
  margin: 16px 0 24px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
}

.page-home .prob__facts {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.page-home .prob__facts li {
  display: grid;
  gap: 4px;
  padding: 14px 12px;
  border: 1px solid var(--line);
  background: rgba(5, 7, 12, .6);
}

.page-home .prob__n {
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-home .prob__lab {
  font-size: 12px;
  line-height: 1.5;
  color: var(--gray);
}

.page-home .prob__switch {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-home .prob__switch-label {
  margin: 0;
  font-size: 12px;
  color: var(--gray);
  letter-spacing: .1em;
}

.page-home .prob__windows {
  display: grid;
  gap: 14px;
}

.page-home .probwin {
  padding: 14px 16px 10px;
  border: 1px solid var(--line);
  background: rgba(5, 7, 12, .75);
}

.page-home .probwin__cap {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--gray);
  letter-spacing: .08em;
}

.page-home .spark {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.page-home .spark__grid {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
  stroke-dasharray: 3 5;
}

.page-home .spark__line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  stroke-linejoin: round;
}

.page-home .spark__line--mag {
  stroke: var(--magenta);
}

.page-home .prob__note {
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--gray);
}

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

/* ---------- 资源摘要 ---------- */
.page-home .res {
  padding: 52px 0;
  border-top: 1px solid var(--line);
}

.page-home .res__grid {
  display: grid;
  gap: 30px;
}

.page-home .res__lede {
  margin: 16px 0 24px;
  max-width: 50ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
}

.page-home .reslist {
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-home .reslist__row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .reslist dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray);
  padding-top: 3px;
}

.page-home .reslist dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--white);
}

.page-home .reslist__n {
  color: var(--yellow);
  font-weight: 700;
}

.page-home .res__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .res__visual {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .resfig {
  border: 1px solid var(--line);
  border-left: 3px solid var(--magenta);
}

.page-home .res__hint {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 反馈通道 ---------- */
.page-home .feedback {
  position: relative;
  padding: 0;
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.page-home .feedback__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .feedback__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
}

.page-home .feedback__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 7, 12, .9) 0%, rgba(5, 7, 12, .97) 70%);
}

.page-home .feedback__inner {
  position: relative;
  z-index: 1;
  padding: 54px 0 58px;
}

.page-home .feedback__lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
}

.page-home .feedback__body {
  margin-top: 30px;
  display: grid;
  gap: 26px;
}

.page-home .fbchips__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gray);
}

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

.page-home .fbchip {
  display: inline-block;
  padding: 8px 14px;
  font-size: 13px;
  text-decoration: none;
  color: var(--white);
  background: rgba(11, 18, 32, .9);
  border: 1px solid var(--line);
  transition: border-color .2s ease, color .2s ease;
}

.page-home .fbchip:hover,
.page-home .fbchip:focus-visible {
  border-color: var(--magenta);
  color: var(--magenta);
}

.page-home .fbnotes {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .fbnote {
  padding: 18px 18px 20px;
  background: rgba(5, 7, 12, .92);
}

.page-home .fbnote__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--cyan);
}

.page-home .fbnote p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-home .feedback__acts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

/* ---------- 信任段 ---------- */
.page-home .trust {
  padding: 54px 0 66px;
  border-top: 1px solid var(--line);
}

.page-home .trust__head {
  margin-bottom: 26px;
}

.page-home .trust__stats {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .trust__stat {
  display: grid;
  gap: 8px;
  padding: 22px 20px;
  background: var(--ink-2);
}

.page-home .trust__n {
  font-size: clamp(36px, 9vw, 54px);
  font-weight: 700;
  line-height: 1;
  color: var(--yellow);
}

.page-home .trust__lab {
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
}

.page-home .trust__row {
  margin-top: 28px;
  display: grid;
  gap: 20px;
}

.page-home .trust__text {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
  padding-left: 16px;
  border-left: 3px solid var(--cyan);
}

.page-home .trust__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.page-home .trust__link {
  font-size: 14px;
  color: var(--white);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line);
  transition: border-color .2s ease, color .2s ease;
}

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

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-home .reslist__row {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .page-home .fbchips__list {
    gap: 12px;
  }

  .page-home .trust__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .prob__windows {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .hero {
    padding-top: 34px;
  }

  .page-home .hero__wrap {
    grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr);
    gap: 46px;
    align-items: start;
    padding-bottom: 58px;
  }

  .page-home .verstage__img {
    aspect-ratio: 6 / 6.4;
  }

  .page-home .lanes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-home .lane:nth-child(2) {
    margin-top: 38px;
  }

  .page-home .lane:nth-child(3) {
    margin-top: 14px;
  }

  .page-home .changes__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 38px;
  }

  .page-home .prob__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 46px;
    align-items: center;
  }

  .page-home .res__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 46px;
    align-items: start;
  }

  .page-home .feedback__body {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 34px;
    align-items: start;
  }

  .page-home .fbchips {
    position: sticky;
    top: calc(var(--header-total) + 16px);
  }

  .page-home .fbnotes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .feedback__acts {
    grid-column: 2 / 3;
  }

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

  .page-home .trust__row {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 38px;
    align-items: start;
  }

  .page-home .trust__links {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

@media (min-width: 1200px) {
  .page-home .hero__wrap {
    gap: 60px;
  }

  .page-home .prob__facts {
    gap: 16px;
  }

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

  .page-home .feedback__acts {
    grid-column: 2 / 4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .lane,
  .page-home .changelist__item,
  .page-home .trust__link,
  .page-home .fbchip {
    transition: none;
  }

  .page-home .lane:hover,
  .page-home .lane:focus-visible {
    transform: none;
  }
}