/* ============ 首页 · page-home ============ */
.page-home {
  --ph-frame-bg: #061713;
  --ph-accent-soft: rgba(59, 224, 206, .14);
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(48px, 7vw, 96px);
  overflow-x: hidden;
  overflow-x: clip;
}

.page-home .ph-rail {
  display: none;
}

/* ---------- 首屏框景 ---------- */
.page-home .ph-hero {
  position: relative;
}

.page-home .ph-hero__frame {
  position: relative;
  max-width: calc(var(--shell) - 2 * var(--gut));
  margin: clamp(10px, 2vw, 18px) auto 0;
  border: 1px solid var(--line-strong);
  background: var(--ph-frame-bg);
  overflow: hidden;
}

.page-home .ph-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  z-index: 0;
}

.page-home .ph-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(90% 70% at 84% 6%, rgba(59, 224, 206, .13), transparent 62%),
    radial-gradient(70% 80% at 6% 94%, rgba(168, 92, 60, .16), transparent 62%),
    linear-gradient(180deg, rgba(6, 23, 19, .34) 0%, rgba(6, 23, 19, .88) 80%);
}

.page-home .ph-hero__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .6;
  background-image:
    repeating-linear-gradient(90deg, var(--grid-line) 0 1px, transparent 1px var(--grid-cell)),
    repeating-linear-gradient(0deg, var(--grid-line) 0 1px, transparent 1px var(--grid-cell));
}

.page-home .ph-corner {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--gold);
  z-index: 3;
  pointer-events: none;
}

.page-home .ph-corner--tl { top: 0; left: 0; }
.page-home .ph-corner--tr { top: 0; right: 0; }
.page-home .ph-corner--bl { bottom: 0; left: 0; }
.page-home .ph-corner--br { bottom: 0; right: 0; }

.page-home .ph-hero__inner {
  position: relative;
  z-index: 2;
  padding: clamp(24px, 4.2vw, 54px) clamp(18px, 3.4vw, 46px) clamp(30px, 5.4vw, 70px);
}

.page-home .ph-hero .breadcrumb {
  margin: 0 0 clamp(20px, 3vw, 34px);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-home .ph-hero__grid {
  display: grid;
  gap: clamp(28px, 4.4vw, 56px);
}

.page-home .ph-hero__kicker {
  display: inline-block;
  color: var(--cyan);
  margin: 0 0 clamp(12px, 1.8vw, 18px);
}

.page-home .ph-hero h1 {
  margin: 0 0 clamp(16px, 2.2vw, 24px);
  font-size: clamp(29px, 5vw, 58px);
  line-height: 1.14;
  letter-spacing: -.035em;
  font-weight: 800;
  max-width: 20ch;
}

.page-home .ph-hero__lede {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.9;
  color: rgba(241, 236, 225, .9);
}

/* 首屏数据板 */
.page-home .ph-board {
  position: relative;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(38, 51, 47, .94), rgba(12, 32, 27, .94));
  padding: clamp(16px, 2.4vw, 26px);
  box-shadow: 0 22px 48px rgba(0, 0, 0, .45);
}

.page-home .ph-board::before {
  content: "";
  position: absolute;
  inset: 9px -9px -9px 9px;
  border: 1px solid rgba(168, 92, 60, .38);
  z-index: -1;
  pointer-events: none;
}

.page-home .ph-board__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-home .ph-board__round {
  margin-left: auto;
  color: var(--gold);
  letter-spacing: .1em;
}

.page-home .ph-board__main {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
  padding: clamp(18px, 2.6vw, 26px) 0 clamp(14px, 2vw, 20px);
}

.page-home .ph-board__number {
  font-family: var(--font-mono);
  font-size: clamp(54px, 9vw, 100px);
  line-height: .9;
  font-weight: 700;
  color: var(--gold);
}

.page-home .ph-board__caption {
  margin: 0;
  max-width: 12ch;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

.page-home .ph-board__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-home .ph-board__grid > :last-child {
  grid-column: 1 / -1;
}

.page-home .ph-board__tip {
  display: block;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

/* ---------- 章节节奏 ---------- */
.page-home .ph-feed,
.page-home .ph-directions,
.page-home .ph-seasons,
.page-home .ph-matchday,
.page-home .ph-start {
  margin-top: clamp(60px, 9vw, 138px);
}

.page-home .section-head {
  margin-bottom: clamp(26px, 4vw, 52px);
}

/* ---------- 12 万条内容 ---------- */
.page-home .ph-feed__grid {
  display: grid;
  gap: clamp(22px, 3vw, 32px);
}

.page-home .ph-path {
  position: relative;
  border-top: 1px solid var(--line-strong);
  padding-top: clamp(18px, 2.4vw, 26px);
}

.page-home .ph-path__count {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1;
  color: var(--gold);
}

.page-home .ph-path__unit {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-home .ph-path h3 {
  margin: 0 0 12px;
  font-size: clamp(18px, 1.8vw, 22px);
  letter-spacing: -.015em;
}

.page-home .ph-path p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(241, 236, 225, .88);
  max-width: 46ch;
}

/* ---------- 四个方向 ---------- */
.page-home .ph-dir__layout {
  display: grid;
  gap: clamp(24px, 3.4vw, 48px);
}

.page-home .ph-dir__figure {
  margin: 0;
}

.page-home .ph-dir__grid {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-home .ph-dir {
  position: relative;
  border: 1px solid var(--line);
  background: rgba(38, 51, 47, .5);
  padding: clamp(16px, 2.2vw, 24px);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .ph-dir:hover {
  border-color: var(--cyan);
  background: rgba(38, 51, 47, .8);
}

.page-home .ph-dir__icon {
  display: block;
  color: var(--cyan);
  margin-bottom: 14px;
}

.page-home .ph-dir h3 {
  margin: 0 0 10px;
  font-size: clamp(17px, 1.6vw, 20px);
}

.page-home .ph-dir p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(241, 236, 225, .88);
}

.page-home .ph-dir__for {
  display: block;
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  color: var(--mist);
}

/* ---------- 全宽净胜球走势横幅 ---------- */
.page-home .ph-trend {
  position: relative;
  margin-top: clamp(60px, 9vw, 130px);
  padding-block: clamp(30px, 5vw, 62px);
  border-block: 1px solid var(--line-strong);
  background:
    linear-gradient(180deg, rgba(10, 31, 26, .35), rgba(38, 51, 47, .6)),
    var(--ink);
  overflow: hidden;
}

.page-home .ph-trend h2 {
  margin: 8px 0 0;
  font-size: clamp(20px, 2.4vw, 30px);
  letter-spacing: -.02em;
}

.page-home .ph-trend__viewport {
  margin-top: clamp(18px, 3vw, 30px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-home .ph-trend__chart {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

.page-home .ph-trend .annotation--tiny {
  display: block;
  margin-top: 14px;
}

/* ---------- 赛季长廊 ---------- */
.page-home .ph-seasons__figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-home .ph-seasons__strip {
  margin: 0 0 clamp(24px, 3.4vw, 42px);
}

.page-home .season-strip__cell[aria-current="true"] {
  color: var(--gold);
}

.page-home .ph-seasons__notes {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
}

.page-home .ph-seasons__notes p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.95;
  color: rgba(241, 236, 225, .88);
}

.page-home .ph-seasons__notes .btn {
  justify-self: start;
}

/* ---------- 苹果端的一个比赛日 ---------- */
.page-home .ph-matchday__layout {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-home .ph-steps {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .ph-steps::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--clay), var(--moss) 60%, transparent);
}

.page-home .ph-step {
  position: relative;
  padding: 0 0 clamp(22px, 3vw, 32px) clamp(28px, 3.2vw, 40px);
}

.page-home .ph-step:last-child {
  padding-bottom: 0;
}

.page-home .ph-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 15px;
  height: 15px;
  border: 1px solid var(--clay);
  background: var(--ink);
  transform: rotate(45deg);
}

.page-home .ph-step:last-child::before {
  border-color: var(--cyan);
  background: var(--cyan);
  animation: ph-breathe 2.4s ease-in-out infinite;
}

@keyframes ph-breathe {
  0%, 100% { box-shadow: 0 0 0 4px var(--ph-accent-soft); }
  50% { box-shadow: 0 0 0 10px rgba(59, 224, 206, .04); }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-step:last-child::before {
    animation: none;
    box-shadow: 0 0 0 4px var(--ph-accent-soft);
  }
}

.page-home .ph-step__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
  margin-bottom: 8px;
}

.page-home .ph-step h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.6vw, 20px);
}

.page-home .ph-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(241, 236, 225, .88);
  max-width: 48ch;
}

.page-home .ph-matchday__figure {
  margin: 0;
}

.page-home .ph-matchday__note {
  display: block;
  margin-top: clamp(24px, 3.4vw, 38px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

/* ---------- 现在就开始 ---------- */
.page-home .ph-start__grid {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-home .ph-start__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line-strong);
  background: rgba(38, 51, 47, .55);
  color: var(--paper);
  text-decoration: none;
  transition:
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-home .ph-start__card:hover,
.page-home .ph-start__card:focus-visible {
  border-color: var(--cyan);
  background: rgba(38, 51, 47, .88);
  transform: translateY(-3px);
}

.page-home .ph-start__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-home .ph-start__card h3 {
  margin: 0;
  font-size: clamp(17px, 1.6vw, 21px);
}

.page-home .ph-start__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(241, 236, 225, .88);
}

.page-home .ph-start__go {
  margin-top: auto;
  padding-top: 14px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-home .ph-start__foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist);
}

.page-home .ph-start__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 224, 206, .35);
  transition: border-color var(--dur) var(--ease);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .ph-dir__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-home .ph-board__grid > :last-child {
    grid-column: auto;
  }
}

@media (min-width: 780px) {
  .page-home .ph-start__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-home .ph-feed__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(28px, 4.5vw, 70px);
  }

  .page-home .ph-feed__grid > :nth-child(2) {
    margin-top: clamp(28px, 5vw, 76px);
  }
}

@media (min-width: 900px) {
  .page-home .ph-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    align-items: end;
  }

  .page-home .ph-dir__layout {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-home .ph-dir__figure {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-home .ph-matchday__layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-home .ph-board__grid {
    align-items: start;
  }

  .page-home .ph-board__grid .data-card:nth-child(2) {
    margin-top: 14px;
  }

  .page-home .ph-board__grid .data-card:nth-child(3) {
    margin-top: 28px;
  }
}

@media (min-width: 1360px) {
  .page-home .ph-rail {
    display: block;
    position: fixed;
    top: 50%;
    left: max(10px, calc((100vw - var(--shell)) / 2 - 44px));
    transform: translateY(-50%);
    z-index: 6;
  }

  .page-home .ph-rail ol {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .page-home .ph-rail li {
    position: relative;
  }

  .page-home .ph-rail .time-node {
    position: relative;
    display: block;
    text-decoration: none;
  }

  .page-home .ph-rail__dot {
    display: block;
    width: 16px;
    height: 1px;
    background: var(--line-strong);
    transition: width var(--dur) var(--ease), background var(--dur) var(--ease);
  }

  .page-home .ph-rail__label {
    position: absolute;
    left: 26px;
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    font-size: 11px;
    letter-spacing: .06em;
    color: var(--mist);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur) var(--ease);
  }

  .page-home .ph-rail .time-node:hover .ph-rail__dot,
  .page-home .ph-rail .time-node:focus-visible .ph-rail__dot {
    width: 30px;
    background: var(--cyan);
  }

  .page-home .ph-rail .time-node:hover .ph-rail__label,
  .page-home .ph-rail .time-node:focus-visible .ph-rail__label {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-dir,
  .page-home .ph-start__card,
  .page-home .ph-rail__dot,
  .page-home .ph-rail__label {
    transition: none;
  }

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