.page-home {
  --ph-cut: 18px;
  --ph-cut-lg: 24px;
  --ph-grid: rgba(61, 224, 255, .09);
  --ph-card: #16302A;
  --ph-card-soft: rgba(22, 48, 42, .72);
  display: block;
  background: var(--jb-green);
  color: var(--jb-ink);
  overflow-x: clip;
}

.page-home img {
  max-width: 100%;
  height: auto;
}

.page-home .ph-link {
  color: var(--jb-lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, .5);
}

.page-home .ph-link:hover,
.page-home .ph-link:focus-visible {
  border-bottom-color: var(--jb-lime);
}

/* ---------- 首屏 ---------- */

.page-home .ph-hero {
  position: relative;
  padding: clamp(26px, 6vw, 64px) 0 clamp(34px, 6vw, 72px);
  overflow: hidden;
}

.page-home .ph-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--ph-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ph-grid) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(125% 85% at 78% 6%, #000 18%, transparent 76%);
  mask-image: radial-gradient(125% 85% at 78% 6%, #000 18%, transparent 76%);
  pointer-events: none;
}

.page-home .ph-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

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

.page-home .ph-hero__title {
  margin: 18px 0 0;
  font-family: var(--jb-font-display);
  font-size: clamp(36px, 9vw, 74px);
  line-height: 1.03;
  letter-spacing: -.02em;
  color: var(--jb-ink);
}

.page-home .ph-hero__title em {
  font-style: normal;
  color: var(--jb-lime);
}

.page-home .ph-hero__lede {
  margin: 20px 0 0;
  max-width: 560px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--jb-ink-soft);
}

.page-home .ph-hero__actions {
  margin-top: 26px;
}

.page-home .ph-hero__visual {
  position: relative;
  background: var(--jb-slate);
  aspect-ratio: 16 / 10;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ph-cut-lg)), calc(100% - var(--ph-cut-lg)) 100%, 0 100%);
  overflow: hidden;
}

.page-home .ph-hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-home .ph-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(108deg, rgba(200, 255, 61, .16) 0%, transparent 44%),
    linear-gradient(to top, rgba(11, 31, 26, .92) 0%, transparent 58%);
  pointer-events: none;
}

.page-home .ph-hero__visual .jb-media__tag {
  z-index: 1;
}

/* ---------- 章节预览 ---------- */

.page-home .ph-preview__head {
  margin: clamp(34px, 5vw, 56px) 0 0;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--jb-muted);
}

.page-home .ph-preview {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .ph-preview__link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  align-items: baseline;
  padding: 16px 18px 18px;
  background: var(--ph-card-soft);
  color: inherit;
  text-decoration: none;
  border-top: 2px solid transparent;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: background var(--jb-speed) var(--jb-ease),
              border-color var(--jb-speed) var(--jb-ease),
              transform var(--jb-speed) var(--jb-ease);
}

.page-home .ph-preview__link:hover,
.page-home .ph-preview__link:focus-visible {
  background: #1B3B33;
  border-top-color: var(--jb-lime);
  transform: translateY(-3px);
}

.page-home .ph-preview__num {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--jb-cyan);
}

.page-home .ph-preview__name {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--jb-ink);
}

.page-home .ph-preview__desc {
  grid-column: 1 / -1;
  font-size: 13px;
  line-height: 1.6;
  color: var(--jb-muted);
}

/* ---------- 章节通用 ---------- */

.page-home .ph-chapter {
  position: relative;
  padding: clamp(44px, 7vw, 84px) 0;
}

.page-home .ph-chapter--tight {
  padding: clamp(36px, 5vw, 60px) 0;
}

.page-home .ph-chapter--loose {
  padding: clamp(56px, 9vw, 108px) 0;
}

.page-home .ph-chapter__lead {
  max-width: 680px;
  margin: 0 0 clamp(22px, 3vw, 34px);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.72;
  color: var(--jb-ink-soft);
}

.page-home .ph-prose {
  max-width: 680px;
}

.page-home .ph-prose p {
  margin: 0 0 1.1em;
  line-height: 1.78;
  color: var(--jb-ink-soft);
}

.page-home .ph-prose p:last-child {
  margin-bottom: 0;
}

.page-home .ph-note {
  max-width: 680px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 16px 20px;
  background: rgba(61, 224, 255, .07);
  border-left: 2px solid var(--jb-cyan);
  font-size: 15px;
  line-height: 1.75;
  color: var(--jb-ink);
}

/* ---------- 01 非对称：正文 + 坐标索引 ---------- */

.page-home .ph-asym {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-home .ph-figure {
  margin: 26px 0 0;
  position: relative;
}

.page-home .ph-figure__cap {
  display: block;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--jb-muted);
}

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

.page-home .ph-facts__item {
  display: grid;
  gap: 4px;
  padding: 14px 18px;
  background: var(--ph-card-soft);
  border-left: 2px solid var(--jb-cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-home .ph-facts__key {
  font-family: var(--jb-font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--jb-muted);
}

.page-home .ph-facts__val {
  font-size: 15px;
  line-height: 1.5;
  color: var(--jb-ink);
}

.page-home .ph-facts__val b {
  font-family: var(--jb-font-mono);
  font-size: 22px;
  font-weight: 400;
  color: var(--jb-lime);
  margin-right: 4px;
}

/* ---------- 02 三步 ---------- */

.page-home .ph-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .ph-step {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--jb-charcoal);
  border-top: 3px solid var(--jb-lime);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-home .ph-step:nth-child(2) {
  border-top-color: var(--jb-cyan);
}

.page-home .ph-step:nth-child(3) {
  border-top-color: var(--jb-orange);
}

.page-home .ph-step__no {
  display: block;
  font-size: 26px;
  letter-spacing: .06em;
  color: var(--jb-muted);
}

.page-home .ph-step__title {
  margin: 10px 0 8px;
  font-size: 18px;
  line-height: 1.45;
  color: var(--jb-ink);
}

.page-home .ph-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--jb-ink-soft);
}

/* ---------- 03 双端镜像 ---------- */

.page-home .ph-devices {
  display: grid;
  gap: 16px;
}

.page-home .jb-mirror__divider {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--jb-lime), transparent);
}

.page-home .ph-device {
  padding: clamp(18px, 2.4vw, 26px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-home .jb-mirror__home.ph-device {
  background: rgba(200, 255, 61, .055);
}

.page-home .jb-mirror__away.ph-device {
  background: rgba(255, 138, 61, .055);
}

.page-home .ph-device__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--jb-muted);
}

.page-home .jb-mirror__home.ph-device .ph-device__label {
  color: var(--jb-lime);
}

.page-home .jb-mirror__away.ph-device .ph-device__label {
  color: var(--jb-orange);
}

.page-home .ph-device__title {
  margin: 10px 0 10px;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.4;
  color: var(--jb-ink);
}

.page-home .ph-device__text {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--jb-ink-soft);
}

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

/* ---------- 04 切换联赛 ---------- */

.page-home .ph-switch {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--jb-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-home .ph-switch__row {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--jb-green);
}

.page-home .ph-switch__key {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--jb-cyan);
}

.page-home .ph-switch__val {
  font-size: 15px;
  line-height: 1.72;
  color: var(--jb-ink-soft);
}

/* ---------- 05 刷新时间线 ---------- */

.page-home .ph-timeline {
  position: relative;
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0 0 0 28px;
  display: grid;
  gap: clamp(22px, 3.4vw, 38px);
}

.page-home .ph-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--jb-lime), var(--jb-cyan), rgba(61, 224, 255, 0));
}

.page-home .ph-timeline__item {
  position: relative;
}

.page-home .ph-timeline__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--jb-green);
  border: 2px solid var(--jb-lime);
}

.page-home .ph-timeline__t {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--jb-cyan);
}

.page-home .ph-timeline__title {
  margin: 8px 0 6px;
  font-size: 18px;
  line-height: 1.45;
  color: var(--jb-ink);
}

.page-home .ph-timeline__text {
  margin: 0;
  max-width: 640px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--jb-ink-soft);
}

/* ---------- 06 版本归档与下游车票 ---------- */

.page-home .ph-versions {
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-home .ph-version {
  padding: 20px 20px 24px;
  background: var(--ph-card);
}

.page-home .ph-version > .jb-placard {
  display: inline-block;
}

.page-home .ph-version__title {
  margin: 14px 0 8px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--jb-ink);
}

.page-home .ph-version__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--jb-ink-soft);
}

.page-home .ph-tickets {
  margin-top: clamp(26px, 4vw, 42px);
  display: grid;
  gap: 12px;
}

@media (min-width: 640px) {
  .page-home .ph-preview {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .ph-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .ph-tickets {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 760px) {
  .page-home .ph-switch__row {
    grid-template-columns: 160px minmax(0, 1fr);
    align-items: baseline;
    gap: 24px;
    padding: 18px 22px;
  }
}

@media (min-width: 860px) {
  .page-home .ph-steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .ph-devices {
    grid-template-columns: minmax(0, 1fr) 2px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 38px);
    align-items: start;
  }

  .page-home .jb-mirror__divider {
    height: 100%;
    width: 2px;
    justify-self: center;
    background: linear-gradient(180deg, transparent, var(--jb-lime), transparent);
  }

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

@media (min-width: 900px) {
  .page-home .ph-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
  }

  .page-home .ph-asym {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
    align-items: start;
  }

  .page-home .ph-asym__side {
    padding-top: 6px;
  }
}

@media (min-width: 1100px) {
  .page-home .ph-hero__visual {
    aspect-ratio: 16 / 11;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-preview__link {
    transition: none;
  }

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