.page-home {
  --home-rail: 258px;
  --home-gap: 52px;
  position: relative;
  display: block;
  background:
    radial-gradient(1100px 520px at 84% -8%, rgba(43, 232, 176, 0.10), transparent 62%),
    radial-gradient(760px 460px at 2% 24%, rgba(255, 162, 58, 0.055), transparent 64%),
    var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-home::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 58, 80, 0.30) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 58, 80, 0.30) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.5;
  pointer-events: none;
}

.page-home .home-frame {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 16px 72px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

/* ---------- 左侧索引带 ---------- */
.page-home .rail {
  position: relative;
  padding-top: 22px;
}

.page-home .rail__head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.page-home .rail__eyebrow {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--accent);
  text-transform: uppercase;
}

.page-home .rail__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 26px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-home .rail__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-home .rail__list {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 14px 0 8px;
  scrollbar-width: thin;
}

.page-home .rail__group {
  flex: 0 0 auto;
  min-width: 148px;
}

.page-home .rail__group-title {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-home .rail__count {
  font-family: var(--font-head);
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0;
}

.page-home .rail__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-home .rail__link {
  display: block;
  padding: 6px 8px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .rail__link:hover,
.page-home .rail__link:focus-visible {
  color: var(--text);
  background: var(--panel-alt);
  border-left-color: var(--line);
}

.page-home .rail__link[aria-current] {
  color: var(--accent);
  background: rgba(43, 232, 176, 0.07);
  border-left-color: var(--accent);
}

.page-home .rail__fig {
  margin: 16px 0 0;
}

.page-home .rail__more {
  margin: 14px 0 0;
  font-size: 13px;
}

.page-home .rail__more a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 176, 0.4);
}

.page-home .rail__more a:hover {
  border-bottom-color: var(--accent);
}

/* ---------- 封面首屏 ---------- */
.page-home .cover {
  position: relative;
  margin-top: 18px;
  padding: 26px 18px 40px;
  background: linear-gradient(152deg, rgba(18, 24, 38, 0.97), rgba(10, 15, 30, 0.9));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-plate-lg);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 34px));
  overflow: hidden;
}

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

.page-home .cover__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10, 15, 30, 0.96) 10%, rgba(10, 15, 30, 0.62) 48%, rgba(10, 15, 30, 0.9) 100%);
}

.page-home .cover__bgimg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% 42%;
  opacity: 0.3;
}

.page-home .cover__body {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.page-home .cover__eyebrow {
  margin: 14px 0 0;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.page-home .cover__mast {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  margin-top: 4px;
}

.page-home .cover__big {
  font-family: var(--font-head);
  font-size: clamp(84px, 21vw, 176px);
  line-height: 0.78;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  text-shadow: 3px 3px 0 rgba(0, 0, 0, 0.45);
}

.page-home .cover__annot {
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.22em;
  color: var(--muted);
  writing-mode: vertical-rl;
  padding-bottom: 8px;
}

.page-home .cover__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(26px, 6vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--text);
  max-width: 20ch;
}

.page-home .cover__lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: #C8D3E0;
  max-width: 56ch;
}

.page-home .cover__stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .cover__stat {
  background: var(--panel);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-home .cover__statnum {
  font-family: var(--font-head);
  font-size: 34px;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.page-home .cover__statlabel {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-home .cover__acts {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .cover__hint {
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 章节头 ---------- */
.page-home .sec-head {
  position: relative;
  margin: 0 0 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-home .sec-head__num {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(56px, 11vw, 104px);
  line-height: 0.76;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: rgba(237, 242, 246, 0.11);
  transition: color 0.4s var(--ease);
}

.page-home .sec-head.is-visible .sec-head__num {
  color: var(--accent);
}

.page-home .sec-head__title {
  position: relative;
  margin: -12px 0 10px;
  font-family: var(--font-head);
  font-size: clamp(23px, 4.4vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  font-weight: 700;
  color: var(--text);
}

.page-home .sec-head__desc {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 排名面板堆叠 ---------- */
.page-home .panel-stack {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .rank-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 18px 18px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-plate);
  transition: transform 0.26s var(--ease), border-color 0.26s var(--ease), box-shadow 0.26s var(--ease);
}

.page-home .rank-card:hover,
.page-home .rank-card:focus-within {
  transform: translate(-2px, -2px);
  border-color: rgba(43, 232, 176, 0.5);
  box-shadow: var(--shadow-plate-lg);
}

.page-home .rank-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-home .rank-card__stage {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-home .rank-card__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 27px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-home .rank-card__lead {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-home .rank-card__pts {
  margin: 2px 0 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-variant-numeric: tabular-nums;
}

.page-home .rank-card__pts .num--lg {
  font-family: var(--font-head);
  font-size: clamp(30px, 4.4vw, 44px);
  line-height: 1;
  color: var(--accent);
}

.page-home .rank-card__sep {
  color: var(--line);
  font-size: 24px;
}

.page-home .rank-card__unit {
  font-size: 13px;
  color: var(--muted);
  margin-left: 2px;
}

.page-home .rank-card__teams {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-home .rank-card__teams li {
  font-size: 12px;
  padding: 3px 8px;
  color: #C8D3E0;
  background: var(--panel-alt);
  border: 1px solid var(--line);
}

.page-home .rank-card__trend {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}

.page-home .trend {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  letter-spacing: 0;
}

.page-home .trend--w {
  background: rgba(43, 232, 176, 0.16);
  color: var(--accent);
  border: 1px solid rgba(43, 232, 176, 0.45);
}

.page-home .trend--d {
  background: rgba(147, 160, 181, 0.14);
  color: var(--muted);
  border: 1px solid var(--line);
}

.page-home .rank-card__detail {
  margin: 6px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  max-height: none;
  opacity: 1;
}

/* ---------- 斜切分隔带 ---------- */
.page-home .slant-band {
  margin: 36px 0;
  border: 0;
  clip-path: polygon(0 7%, 100% 0, 100% 93%, 0 100%);
}

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

/* ---------- 通用图形容器 ---------- */
.page-home .figure {
  margin: 0;
}

.page-home .figure__frame {
  position: relative;
  overflow: hidden;
  background: var(--panel-alt);
}

.page-home .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .figure__cap {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 三步查排名 ---------- */
.page-home .steps__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-home .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: step;
}

.page-home .step {
  position: relative;
  padding: 18px 18px 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent-deep);
  box-shadow: var(--shadow-plate);
}

.page-home .step__num {
  font-family: var(--font-head);
  font-size: 30px;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.page-home .step__title {
  margin: 6px 0 8px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

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

.page-home .steps__fig .figure__frame {
  border: 1px solid var(--line);
  box-shadow: var(--shadow-plate);
}

/* ---------- 注册区 ---------- */
.page-home .signup {
  position: relative;
  margin-top: 8px;
  padding: 26px 20px 30px;
  background: linear-gradient(160deg, rgba(27, 36, 54, 0.96), rgba(18, 24, 38, 0.98));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-plate-lg);
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 calc(100% - 3%));
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-home .signup__eyebrow {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--cta);
}

.page-home .signup__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(23px, 4.6vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-home .signup__text {
  margin: 0 0 20px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: #C8D3E0;
}

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

.page-home .signup__step {
  background: var(--panel-alt);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 12px;
  row-gap: 4px;
}

.page-home .signup__stepnum {
  grid-row: 1 / span 2;
  font-family: var(--font-head);
  font-size: 26px;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.page-home .signup__steptitle {
  font-size: 15px;
  color: var(--text);
}

.page-home .signup__steptext {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 常用页面 ---------- */
.page-home .bm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .bm {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 15px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-home .bm:hover {
  border-left-color: var(--accent);
  background: var(--panel-alt);
}

.page-home .bm__no {
  font-family: var(--font-head);
  font-size: 24px;
  line-height: 1;
  color: rgba(237, 242, 246, 0.25);
  font-variant-numeric: tabular-nums;
}

.page-home .bm__name {
  margin: 0 0 5px;
  font-size: 17px;
  font-weight: 600;
}

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

.page-home .bm__name a:hover,
.page-home .bm__name a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.page-home .bm__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .bm .tag {
  grid-column: 2;
  justify-self: start;
}

/* ---------- 更新节奏 ---------- */
.page-home .rhythm__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-home .rhythm__card {
  padding: 20px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-plate);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .rhythm__num {
  font-family: var(--font-head);
  font-size: clamp(44px, 8vw, 64px);
  line-height: 0.9;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.page-home .rhythm__num--text {
  font-size: clamp(28px, 5vw, 40px);
  letter-spacing: 0.02em;
}

.page-home .rhythm__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-home .rhythm__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: #C8D3E0;
}

.page-home .rhythm__note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--accent-deep);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 入场动效 ---------- */
.js-ready .page-home [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
}

.page-home [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.26s var(--ease), transform 0.26s var(--ease);
}

/* ---------- 窄屏微调 ---------- */
@media (max-width: 520px) {
  .page-home .cover {
    padding: 22px 14px 34px;
  }

  .page-home .cover__big {
    font-size: clamp(72px, 24vw, 108px);
  }

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

  .page-home .rank-card__pts .num--lg {
    font-size: 32px;
  }

  .page-home .sec-head__num {
    font-size: clamp(48px, 16vw, 72px);
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-home .home-frame {
    padding: 0 26px 84px;
  }

  .page-home .panel-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-home .rhythm__card--wide {
    grid-column: 1 / -1;
  }

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

  .page-home .bm .tag {
    grid-column: auto;
  }

  .page-home .signup {
    padding: 32px 28px 36px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-home .home-frame {
    grid-template-columns: var(--home-rail) minmax(0, 1fr);
    gap: var(--home-gap);
    padding: 0 40px 104px;
  }

  .page-home .rail {
    position: sticky;
    top: 92px;
    align-self: start;
    max-height: calc(100vh - 118px);
    overflow-y: auto;
    padding-top: 32px;
    scrollbar-width: thin;
  }

  .page-home .rail__list {
    flex-direction: column;
    overflow-x: visible;
    gap: 18px;
    padding: 16px 0 4px;
  }

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

  .page-home .cover {
    margin-top: 26px;
    padding: 34px 40px 52px;
  }

  .page-home .panel-stack {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 22px;
  }

  .page-home .rank-card:nth-child(1) {
    grid-column: 1 / span 6;
    grid-row: 1;
  }

  .page-home .rank-card:nth-child(2) {
    grid-column: 8 / span 5;
    grid-row: 1;
    margin-top: 36px;
  }

  .page-home .rank-card:nth-child(3) {
    grid-column: 2 / span 5;
    grid-row: 2;
    margin-top: -10px;
  }

  .page-home .rank-card:nth-child(4) {
    grid-column: 7 / span 6;
    grid-row: 2;
    margin-top: 28px;
  }

  .page-home .rank-card:nth-child(5) {
    grid-column: 1 / span 5;
    grid-row: 3;
  }

  .page-home .rank-card:nth-child(6) {
    grid-column: 7 / span 6;
    grid-row: 3;
    margin-top: 32px;
  }

  .page-home .rank-card:nth-child(7) {
    grid-column: 2 / span 5;
    grid-row: 4;
    margin-top: -8px;
  }

  .page-home .rank-card:nth-child(8) {
    grid-column: 8 / span 5;
    grid-row: 4;
    margin-top: 30px;
  }

  .page-home .rank-card__detail {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.3s var(--ease), opacity 0.3s var(--ease);
  }

  .page-home .rank-card:hover .rank-card__detail,
  .page-home .rank-card:focus-within .rank-card__detail {
    max-height: 160px;
    opacity: 1;
  }

  .page-home .steps__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 34px;
    align-items: start;
  }

  .page-home .signup {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
    padding: 40px 44px 44px;
  }

  .page-home .rhythm__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .sl ant-band {
    margin: 46px 0;
  }
}

/* ---------- 触摸设备与减少动效 ---------- */
@media (hover: none) {
  .page-home .rank-card__detail {
    max-height: none;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .rank-card,
  .page-home .rail__link,
  .page-home .bm,
  .page-home .sec-head__num {
    transition: none;
  }

  .js-ready .page-home [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .page-home [data-reveal].is-visible {
    transition: none;
  }
}
<<<END>>>