.page-home {
  --ph-gap: clamp(18px, 3.4vw, 34px);
  --ph-pad: clamp(56px, 9vw, 116px);
  --ph-hair: 1px solid var(--bw-line);
  --ph-glow: 0 0 18px rgba(45, 245, 196, 0.45);
  --ph-glow-warm: 0 0 18px rgba(255, 122, 26, 0.42);
  display: block;
  overflow-x: clip;
}

.page-home .bw-section {
  padding-block: var(--ph-pad);
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-home__opening {
  padding-block: clamp(44px, 8vw, 104px) clamp(44px, 7vw, 92px) !important;
  border-bottom: var(--ph-hair);
  isolation: isolate;
}

.page-home__opening-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.page-home__opening-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  opacity: 0.3;
  filter: saturate(0.75);
}

.page-home__opening-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 78% at 78% 8%, rgba(45, 245, 196, 0.16), transparent 62%),
    linear-gradient(180deg, rgba(5, 20, 15, 0.5) 0%, rgba(5, 20, 15, 0.9) 58%, var(--bw-ink) 100%);
}

.page-home__opening-inner {
  display: block;
}

.page-home .page-home__opening .bw-h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-family: var(--bw-font-display);
  font-size: clamp(2.1rem, 5.6vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: 0.005em;
  text-transform: none;
  color: var(--bw-white);
  text-wrap: balance;
}

.page-home__opening .bw-lead {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 62ch;
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  line-height: 1.78;
  color: var(--bw-silver);
}

/* 七轮索引：纵向轨道 */
.page-home__rounds {
  list-style: none;
  margin: clamp(30px, 5vw, 54px) 0 0;
  padding: 0;
  max-width: 900px;
  border-top: var(--ph-hair);
}

.page-home__round {
  display: grid;
  grid-template-columns: 3.1rem minmax(0, 1fr);
  grid-template-areas:
    "no name"
    "no note";
  gap: 3px 0.9rem;
  padding: 0.95rem 0.4rem 0.95rem 0;
  border-bottom: var(--ph-hair);
  transition: background-color 0.22s ease, padding-left 0.22s ease;
}

.page-home__round-no {
  grid-area: no;
  font-family: var(--bw-font-data);
  font-size: 1.28rem;
  font-weight: 500;
  line-height: 1.1;
  color: var(--bw-cyan);
  letter-spacing: 0.02em;
  transition: color 0.22s ease, text-shadow 0.22s ease;
}

.page-home__round-name {
  grid-area: name;
  font-family: var(--bw-font-display);
  font-size: 1.02rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bw-white);
}

.page-home__round-note {
  grid-area: note;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--bw-silver);
}

.page-home__round:hover,
.page-home__round:focus-within {
  background-color: rgba(14, 42, 32, 0.6);
  padding-left: 0.7rem;
}

.page-home__round:hover .page-home__round-no {
  color: var(--bw-orange);
  text-shadow: var(--ph-glow-warm);
}

/* ---------- 通用区块头 ---------- */
.page-home__head {
  max-width: 66ch;
}

.page-home__head--tight {
  max-width: 58ch;
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.page-home .bw-h2 {
  margin: 12px 0 0;
  font-family: var(--bw-font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--bw-white);
  text-wrap: balance;
}

.page-home .bw-text {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--bw-silver);
}

/* ---------- 签表 + 轮次标签 ---------- */
.page-home__bracket-body {
  display: grid;
  gap: var(--ph-gap);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-home__bracket-visual {
  position: relative;
  min-width: 0;
}

.page-home__board {
  border-radius: var(--bw-radius);
}

.page-home__board img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.7) brightness(0.85);
}

.page-home__path {
  position: absolute;
  right: clamp(8px, 2vw, 22px);
  bottom: clamp(8px, 2vw, 22px);
  width: min(52%, 240px);
  height: auto;
  pointer-events: none;
}

.page-home__path path,
.page-home__path circle {
  fill: none;
  stroke: rgba(199, 210, 204, 0.42);
  stroke-width: 1.4;
  transition: stroke 0.25s ease, filter 0.25s ease;
}

.page-home__path circle {
  fill: rgba(45, 245, 196, 0.55);
  stroke: none;
}

.page-home__bracket-visual:hover .page-home__path path {
  stroke: var(--bw-cyan);
  filter: drop-shadow(0 0 5px rgba(45, 245, 196, 0.6));
}

.page-home__tabs {
  min-width: 0;
}

.page-home .bw-tabs__list {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  padding: 2px 2px 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--bw-line) transparent;
}

.page-home .bw-tab {
  flex: 0 0 auto;
  padding: 9px 15px;
  border: var(--ph-hair);
  border-radius: var(--bw-radius-pill);
  background: rgba(10, 14, 12, 0.72);
  color: var(--bw-silver);
  font-family: var(--bw-font-data);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-home .bw-tab:hover {
  border-color: var(--bw-cyan);
  color: var(--bw-white);
}

.page-home .bw-tab[aria-selected="true"] {
  border-color: var(--bw-cyan);
  background: var(--bw-cyan);
  color: var(--bw-ink);
  font-weight: 600;
}

.page-home .bw-tab:focus-visible {
  outline: 2px solid var(--bw-orange);
  outline-offset: 2px;
}

.page-home .bw-tabs__panel {
  margin-top: 16px;
  padding: clamp(18px, 3vw, 26px);
  border: var(--ph-hair);
  border-radius: var(--bw-radius);
  background: linear-gradient(160deg, rgba(14, 42, 32, 0.86), rgba(5, 20, 15, 0.86));
  box-shadow: var(--bw-shadow-float);
}

.page-home .bw-tabs__panel[hidden] {
  display: none;
}

.page-home .bw-tabs__panel:focus-visible {
  outline: 2px solid var(--bw-cyan);
  outline-offset: 3px;
}

.page-home__panel-lead {
  margin: 0;
  max-width: 60ch;
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--bw-white);
}

.page-home__panel-data {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 20px 0 0;
  padding: 0;
}

.page-home__panel-data > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 5.4rem;
}

.page-home__panel-data dt {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bw-silver);
}

.page-home__panel-data dd {
  margin: 0;
  font-family: var(--bw-font-data);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  color: var(--bw-cyan);
  letter-spacing: 0.01em;
}

/* ---------- 关键数据 ---------- */
.page-home__metrics-layout {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-home__metrics-aside {
  min-width: 0;
}

.page-home__metrics-aside .bw-btn {
  margin-top: 24px;
}

.page-home__metrics-main {
  position: relative;
  min-width: 0;
  padding: clamp(14px, 2vw, 20px);
  border-radius: var(--bw-radius);
  overflow: hidden;
}

.page-home__metrics-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.17;
  filter: grayscale(0.35) contrast(1.1);
}

.page-home__metrics-main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(5, 20, 15, 0.35), rgba(5, 20, 15, 0.86));
}

.page-home__cards {
  position: relative;
  z-index: 1;
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
}

.page-home__card {
  display: grid;
  gap: 8px;
  padding: 18px 20px 20px;
  background: rgba(10, 14, 12, 0.9);
}

.page-home .page-home__card-value {
  margin: 0;
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
  line-height: 1;
  color: var(--bw-cyan);
  letter-spacing: -0.01em;
}

.page-home .page-home__card-value.bw-metric__value--odds {
  color: var(--bw-odds);
}

.page-home .page-home__card-value.bw-metric__value--signal {
  color: var(--bw-orange);
}

.page-home__card .bw-card__label {
  font-family: var(--bw-font-data);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bw-silver);
}

.page-home__card .bw-card__title {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--bw-white);
}

.page-home .bw-card--signal {
  border-color: rgba(255, 122, 26, 0.4);
  background: linear-gradient(150deg, rgba(255, 122, 26, 0.16), rgba(10, 14, 12, 0.92));
}

/* ---------- 追踪入口 ---------- */
.page-home__track-grid {
  display: grid;
  gap: clamp(26px, 4vw, 50px);
}

.page-home__track-lead .bw-btn {
  margin-top: 24px;
}

.page-home__entries {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
}

.page-home__entry {
  display: grid;
  gap: 8px;
  padding: 20px;
  border: var(--ph-hair);
  border-radius: var(--bw-radius);
  background: rgba(5, 20, 15, 0.6);
  transition: border-color 0.24s ease, transform 0.24s ease, box-shadow 0.24s ease;
}

.page-home__entry:hover,
.page-home__entry:focus-within {
  border-color: rgba(45, 245, 196, 0.55);
  transform: translateY(-3px);
  box-shadow: var(--bw-shadow-float);
}

.page-home__entry-no {
  font-family: var(--bw-font-data);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bw-cyan);
}

.page-home__entry-link {
  font-family: var(--bw-font-display);
  font-size: 1.18rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bw-white);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  width: fit-content;
  transition: color 0.22s ease, border-color 0.22s ease;
}

.page-home__entry-link:hover {
  color: var(--bw-cyan);
  border-bottom-color: var(--bw-cyan);
}

.page-home__entry-note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--bw-silver);
}

/* ---------- 同步节奏 ---------- */
.page-home__rhythm-grid {
  display: grid;
  gap: clamp(26px, 4vw, 50px);
  align-items: start;
}

.page-home__rhythm-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85);
}

.page-home__beats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--ph-hair);
}

.page-home__beat {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: var(--ph-hair);
}

.page-home__beat-time {
  font-family: var(--bw-font-data);
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  color: var(--bw-orange);
}

.page-home__beat-body {
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--bw-silver);
}

.page-home .bw-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--bw-cyan);
  background: rgba(45, 245, 196, 0.06);
  border-radius: 0 var(--bw-radius) var(--bw-radius) 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--bw-silver);
}

/* ---------- 下一步 ---------- */
.page-home__next-list {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  border-top: var(--ph-hair);
}

.page-home__next-item {
  border-bottom: var(--ph-hair);
}

.page-home__next-link {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 4px 0.9rem;
  padding: 18px 0.4rem;
  text-decoration: none;
  transition: background-color 0.22s ease, padding-left 0.22s ease;
}

.page-home__next-no {
  grid-row: span 2;
  font-family: var(--bw-font-data);
  font-size: 1.05rem;
  color: var(--bw-silver);
  transition: color 0.22s ease;
}

.page-home__next-name {
  font-family: var(--bw-font-display);
  font-size: 1.14rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bw-white);
  transition: color 0.22s ease;
}

.page-home__next-note {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--bw-silver);
}

.page-home__next-link:hover,
.page-home__next-link:focus-visible {
  background-color: rgba(45, 245, 196, 0.08);
  padding-left: 0.9rem;
  outline: none;
}

.page-home__next-link:hover .page-home__next-no,
.page-home__next-link:focus-visible .page-home__next-no {
  color: var(--bw-orange);
}

.page-home__next-link:hover .page-home__next-name,
.page-home__next-link:focus-visible .page-home__next-name {
  color: var(--bw-cyan);
}

.page-home__next-link:focus-visible {
  outline: 2px solid var(--bw-orange);
  outline-offset: -2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home__beat {
    grid-template-columns: 10.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1.2rem;
  }

  .page-home__round {
    grid-template-columns: 3.4rem minmax(0, 1fr) minmax(0, 1.5fr);
    grid-template-areas: "no name note";
    align-items: baseline;
    gap: 0 1.2rem;
  }
}

@media (min-width: 900px) {
  .page-home__bracket-body {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: clamp(28px, 3.4vw, 48px);
    align-items: start;
  }

  .page-home__track-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-home__metrics-layout {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-home__rhythm-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(30px, 4vw, 58px);
  }
}

@media (min-width: 1140px) {
  .page-home .page-home__opening .bw-h1 {
    max-width: 24ch;
  }

  .page-home__next-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: none;
    gap: 0 clamp(20px, 3vw, 44px);
  }

  .page-home__next-item {
    border-top: var(--ph-hair);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home__round,
  .page-home__entry,
  .page-home__next-link,
  .page-home__path path,
  .page-home__path circle {
    transition: none;
  }

  .page-home__entry:hover {
    transform: none;
  }
}