/* ============================================================
   首页 · page-home
   ============================================================ */

.page-home .hero {
  position: relative;
  padding: clamp(16px, 2.6vw, 28px) 0 clamp(36px, 5vw, 72px);
  overflow: hidden;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  top: -180px;
  left: -14%;
  width: 86%;
  height: 560px;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(58% 62% at 30% 42%, rgba(19, 74, 92, 0.85), transparent 72%),
    radial-gradient(46% 52% at 76% 16%, rgba(56, 242, 208, 0.16), transparent 74%);
}

.page-home .hero > .shell {
  position: relative;
  z-index: 1;
}

.page-home .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 30px);
  font-size: 13px;
  color: var(--ink-3);
}

.page-home .breadcrumb a {
  color: var(--ink-2);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-home .breadcrumb a:hover,
.page-home .breadcrumb a:focus-visible {
  color: var(--cyan);
}

/* ---------- 首屏分栏 ---------- */

.page-home .hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
}

.page-home .hero-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 6.6vw, 60px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--ink);
  max-width: 16ch;
}

.page-home .hero-lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.72;
  color: var(--ink-2);
}

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

/* 阶梯式入口 */

.page-home .hero-stair {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-home .hero-stair a {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 11px 16px;
  background: var(--board);
  border: 1px solid var(--line);
  clip-path: var(--cut-sm);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .hero-stair a span {
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-3);
  transition: color var(--dur) var(--ease);
}

.page-home .hero-stair a:hover,
.page-home .hero-stair a:focus-visible {
  background: var(--cyan-soft);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-home .hero-stair a:hover span,
.page-home .hero-stair a:focus-visible span {
  color: var(--ink-2);
}

/* ---------- 首屏卡片堆叠 ---------- */

.page-home .hero-stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: clamp(14px, 2.4vw, 26px);
  background: var(--board);
  border: 1px solid var(--line);
  clip-path: var(--cut);
  overflow: hidden;
  isolation: isolate;
}

.page-home .hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.42) saturate(0.9);
  opacity: 0.7;
  z-index: 0;
}

.page-home .stack-card {
  position: relative;
  z-index: 1;
  grid-column: 1 / -1;
  padding: 16px 18px;
  background: rgba(13, 21, 48, 0.94);
  border: 1px solid var(--line);
  clip-path: var(--cut);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .stack-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 242, 208, 0.55);
}

.page-home .stack-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
}

.page-home .dot-live {
  width: 7px;
  height: 7px;
  background: var(--orange);
  border-radius: 50%;
  flex: none;
}

.page-home .stack-teams {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-home .vs {
  margin: 0 6px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
}

.page-home .stack-score {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 6px 0 4px;
  font-size: clamp(46px, 9vw, 68px);
  font-weight: 800;
  line-height: 1;
  color: var(--orange);
}

.page-home .stack-score .sep {
  font-size: 0.5em;
  color: var(--ink-3);
}

.page-home .stack-meta {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--ink-3);
}

.page-home .mini-board {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-home .mini-board li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink);
}

.page-home .mini-rank {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-3);
}

.page-home .mini-board li:first-child .mini-rank {
  color: var(--orange);
}

.page-home .mini-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-home .mini-pts {
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--cyan);
}

.page-home .stack-line {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-2);
}

.page-home .stack-line .num {
  color: var(--cyan);
  font-weight: 700;
}

.page-home .stack-more {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
}

.page-home .stack-more::after {
  content: " →";
}

.page-home .stack-more:hover,
.page-home .stack-more:focus-visible {
  text-decoration: underline;
}

/* ---------- 通用小节 ---------- */

.page-home .section-head {
  max-width: 62ch;
}

.page-home .section-lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-2);
}

.page-home .eyebrow .seq {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 8px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  color: var(--night);
  background: var(--cyan);
  clip-path: var(--cut-tag);
}

/* ---------- 01 入口 ---------- */

.page-home .enter-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(26px, 4vw, 42px);
}

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

.page-home .step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 18px 18px 16px;
  background: var(--board);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  clip-path: var(--cut);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .step:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 242, 208, 0.5);
  border-left-color: var(--orange);
}

.page-home .step-num {
  font-family: var(--font-num);
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
  color: rgba(56, 242, 208, 0.42);
}

.page-home .step-body h3 {
  margin: 2px 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.page-home .step-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-home .enter-shot {
  margin: 0;
}

.page-home .enter-shot figcaption {
  margin-top: 12px;
  font-size: 12px;
  color: var(--ink-3);
}

.page-home .enter-help {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 14px;
  color: var(--ink-2);
}

.page-home .enter-help a,
.page-home .rhythm-note a,
.page-home .cadence-link a {
  color: var(--cyan);
  text-decoration: none;
  font-weight: 600;
}

.page-home .enter-help a:hover,
.page-home .rhythm-note a:hover,
.page-home .cadence-link a:hover,
.page-home .enter-help a:focus-visible,
.page-home .rhythm-note a:focus-visible,
.page-home .cadence-link a:focus-visible {
  text-decoration: underline;
}

/* ---------- 02 赛程节拍 ---------- */

.page-home .rhythm-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 40px);
  margin-top: clamp(26px, 4vw, 42px);
}

.page-home .rhythm-shot {
  margin: 0;
}

.page-home .match-track {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  display: grid;
  gap: 12px;
  position: relative;
}

.page-home .match-track::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--line) 70%, transparent);
}

.page-home .match-item {
  position: relative;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
}

.page-home .match-item::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 50%;
  width: 8px;
  height: 8px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--line);
}

.page-home .match-item.is-live::before {
  background: var(--orange);
}

.page-home .match-time {
  font-family: var(--font-num);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-2);
}

.page-home .match-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  background: var(--board-2);
  border: 1px solid var(--line);
  clip-path: var(--cut-sm);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .match-item.is-live .match-card {
  border-color: rgba(255, 122, 47, 0.6);
  background: rgba(255, 122, 47, 0.08);
}

.page-home .match-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 242, 208, 0.55);
}

.page-home .match-teams {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-home .match-score {
  margin: 0;
  font-family: var(--font-num);
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
  color: var(--orange);
}

.page-home .rhythm-note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 14px;
  color: var(--ink-2);
}

/* ---------- 03 榜单 ---------- */

.page-home .board-banner {
  margin: clamp(24px, 3.6vw, 40px) 0 0;
}

.page-home .board-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 16px;
}

.page-home .board-panel {
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--board);
  border: 1px solid var(--line);
  clip-path: var(--cut);
}

.page-home .board-panel-title {
  margin: 0 0 18px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.page-home .bar-row {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-home .bar-label {
  font-size: 13px;
  color: var(--ink-3);
}

.page-home .bar-track {
  height: 10px;
  background: var(--board-2);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-home .bar-fill {
  display: block;
  height: 100%;
}

.page-home .bar-fill--cyan {
  background: linear-gradient(90deg, var(--glow), var(--cyan));
}

.page-home .bar-fill--orange {
  background: linear-gradient(90deg, rgba(255, 122, 47, 0.35), var(--orange));
}

.page-home .bar-val {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-2);
  white-space: nowrap;
}

.page-home .board-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-3);
}

.page-home .board-panel--stat {
  display: grid;
  gap: 18px;
  align-content: start;
  background: linear-gradient(155deg, rgba(19, 74, 92, 0.55), var(--board));
}

.page-home .board-panel--stat .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .board-panel--stat .stat-label {
  font-size: 13px;
  color: var(--ink-2);
}

.page-home .board-panel--stat .stat-value {
  font-family: var(--font-num);
  font-size: clamp(34px, 5vw, 46px);
  font-weight: 800;
  line-height: 1;
  color: var(--cyan);
}

.page-home .board-panel--stat .stat-unit {
  margin-left: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-3);
}

.page-home .board-panel--stat .btn {
  justify-self: start;
}

/* ---------- 04 栏目阶梯 ---------- */

.page-home .ladder {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .ladder-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--board);
  border: 1px solid var(--line);
  border-left: 2px solid var(--line);
  clip-path: var(--cut-sm);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .ladder-item:hover {
  background: var(--board-2);
  border-left-color: var(--cyan);
  border-color: rgba(56, 242, 208, 0.45);
  transform: translateY(-4px);
}

.page-home .ladder-num {
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-3);
}

.page-home .ladder-item:hover .ladder-num {
  color: var(--cyan);
}

.page-home .ladder-body h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.page-home .ladder-body p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-2);
}

.page-home .ladder-go {
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  white-space: nowrap;
}

.page-home .ladder-go::after {
  content: " →";
}

.page-home .ladder-go:hover,
.page-home .ladder-go:focus-visible {
  text-decoration: underline;
}

/* ---------- 05 更新节奏 ---------- */

.page-home .cadence {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-home .cadence-node {
  position: relative;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--board);
  border: 1px solid var(--line);
  clip-path: var(--cut);
  overflow: hidden;
}

.page-home .cadence-node::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(56, 242, 208, 0.16), transparent 70%);
  pointer-events: none;
}

.page-home .cadence-clock {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(42px, 7vw, 62px);
  font-weight: 800;
  line-height: 1;
  color: var(--cyan);
}

.page-home .cadence-title {
  margin: 14px 0 10px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.page-home .cadence-node > p:last-of-type {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-home .cadence-more {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: 16px;
}

.page-home .cadence-more summary {
  font-weight: 600;
}

.page-home .cadence-link {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 14px;
  color: var(--ink-2);
}

/* ---------- 信任条 ---------- */

.page-home .trust-strip {
  padding-top: 0;
}

.page-home .trust-inner {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(120deg, rgba(19, 74, 92, 0.6), var(--board) 60%);
  border: 1px solid var(--line);
  clip-path: var(--cut);
}

.page-home .trust-text {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .hero-stair li:nth-child(2) {
    margin-left: 6%;
  }

  .page-home .hero-stair li:nth-child(3) {
    margin-left: 12%;
  }

  .page-home .hero-stair li:nth-child(4) {
    margin-left: 18%;
  }

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

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

  .page-home .enter-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }
}

@media (min-width: 760px) {
  .page-home .hero-stage {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .stack-card--score {
    grid-column: 1 / 6;
    grid-row: 1;
  }

  .page-home .stack-card--board {
    grid-column: 3 / 7;
    grid-row: 2;
  }

  .page-home .stack-card--files {
    grid-column: 1 / 5;
    grid-row: 3;
  }
}

@media (min-width: 880px) {
  .page-home .rhythm-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-home .board-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.85fr);
  }

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

@media (min-width: 1000px) {
  .page-home .hero-split {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-home .ladder-item:nth-child(2) {
    margin-left: 14px;
  }

  .page-home .ladder-item:nth-child(3) {
    margin-left: 28px;
  }

  .page-home .ladder-item:nth-child(4) {
    margin-left: 42px;
  }

  .page-home .ladder-item:nth-child(5) {
    margin-left: 42px;
  }

  .page-home .ladder-item:nth-child(6) {
    margin-left: 28px;
  }

  .page-home .ladder-item:nth-child(7) {
    margin-left: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .stack-card,
  .page-home .step,
  .page-home .match-card,
  .page-home .ladder-item {
    transition: none;
  }

  .page-home .stack-card:hover,
  .page-home .step:hover,
  .page-home .match-card:hover,
  .page-home .ladder-item:hover {
    transform: none;
  }
}

@media (max-width: 420px) {
  .page-home .bar-row {
    grid-template-columns: 40px minmax(0, 1fr);
  }

  .page-home .bar-val {
    grid-column: 2;
  }

  .page-home .match-item {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .ladder-item {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .page-home .ladder-go {
    grid-column: 2;
  }
}