.page-home {
  --home-rule: rgba(237, 242, 241, .14);
  --home-shade: rgba(237, 242, 241, .72);
  background: var(--jn-night);
  color: var(--jn-mist);
  overflow-x: hidden;
}

.page-home .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 封面首屏 ---------- */

.page-home .hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: flex-end;
  min-height: clamp(620px, 94vh, 920px);
  padding: clamp(92px, 13vh, 148px) 0 clamp(72px, 11vh, 112px);
  background:
    radial-gradient(118% 88% at 76% 10%, rgba(30, 90, 107, .58) 0%, rgba(8, 22, 31, 0) 60%),
    linear-gradient(168deg, #0E2A33 0%, #12303B 40%, #08161F 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 54px), 0 100%);
}

.page-home .hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}

.page-home .hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 64% 50%;
  opacity: .32;
  filter: saturate(.72) contrast(1.1);
}

.page-home .hero-field {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.page-home .hero-mid {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 74%;
  width: 1px;
  background: linear-gradient(180deg, transparent 0%, rgba(237, 242, 241, .42) 40%, transparent 100%);
}

.page-home .hero-arc {
  position: absolute;
  right: -190px;
  top: 48%;
  width: 430px;
  height: 430px;
  transform: translateY(-50%);
  border: 1px solid rgba(237, 242, 241, .22);
  border-radius: 50%;
}

.page-home .hero-inner {
  display: grid;
  gap: clamp(34px, 6vw, 60px);
  align-items: end;
}

.page-home .hero-kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--jn-gold);
}

.page-home .hero-title {
  margin: 16px 0 0;
  font-size: clamp(2.5rem, 11vw, 6.1rem);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -.03em;
  color: #FFFFFF;
  transform: skewX(-3deg);
  transform-origin: left bottom;
  text-shadow: 0 22px 48px rgba(8, 22, 31, .5);
}

.page-home .hero-title em {
  display: inline-block;
  font-style: normal;
  background: linear-gradient(100deg, #B9822C 0%, var(--jn-gold) 34%, #F2CE86 62%, var(--jn-gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-home .hero-lead {
  max-width: 46ch;
  margin: 24px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(237, 242, 241, .84);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.page-home .hero-rail {
  display: grid;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--home-rule);
}

.page-home .rail-head {
  margin: 0;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--jn-gold);
}

.page-home .rail-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(237, 242, 241, .08);
}

.page-home .rail-label {
  font-size: 13px;
  color: rgba(237, 242, 241, .66);
}

.page-home .rail-value {
  font-size: clamp(18px, 3.6vw, 23px);
  font-weight: 700;
  color: var(--jn-cyan);
  letter-spacing: .03em;
}

/* ---------- 数据带 ---------- */

.page-home .band {
  position: relative;
  padding: clamp(40px, 7vw, 68px) 0 clamp(56px, 9vw, 100px);
  background: var(--jn-ink);
}

.page-home .band-heading {
  margin: 0 0 clamp(24px, 4vw, 36px);
  font-size: clamp(1.35rem, 3.2vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: #FFFFFF;
}

.page-home .band-grid {
  display: grid;
  gap: 1px;
  background: var(--jn-line-dark);
  border-top: 1px solid var(--jn-line-dark);
  border-bottom: 1px solid var(--jn-line-dark);
}

.page-home .band-cell {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 22px 18px 26px;
  background: var(--jn-ink);
}

.page-home .band-num {
  font-size: clamp(1.9rem, 5.4vw, 2.85rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--jn-cyan);
}

.page-home .band-label {
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
}

.page-home .band-note {
  font-size: 12.5px;
  line-height: 1.65;
  color: rgba(237, 242, 241, .55);
}

.page-home .band-split {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
  align-items: center;
  margin-top: clamp(38px, 7vw, 72px);
}

.page-home .band-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--jn-line-dark);
  border-radius: var(--jn-radius);
  background: rgba(8, 22, 31, .6);
}

.page-home .band-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .band-copy .section-index {
  color: var(--jn-gold);
}

.page-home .band-subtitle {
  margin: 0 0 16px;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: #FFFFFF;
}

.page-home .band-copy > p {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--home-shade);
}

.page-home .band-list {
  list-style: none;
  margin: 24px 0 28px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .band-list li {
  position: relative;
  padding-left: 24px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(237, 242, 241, .78);
}

.page-home .band-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: .72em;
  width: 10px;
  height: 1px;
  background: var(--jn-cyan);
}

/* ---------- 通用章节 ---------- */

.page-home .section {
  padding: clamp(58px, 9vw, 112px) 0;
}

.page-home .section-head {
  max-width: 64ch;
  margin-bottom: clamp(28px, 4.5vw, 50px);
}

.page-home .section-index {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--jn-gold-deep);
}

.page-home .section-title {
  margin: 0;
  font-size: clamp(1.72rem, 4.4vw, 2.7rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.02em;
}

.page-home .section-lead {
  margin: 16px 0 0;
  font-size: 16.5px;
  line-height: 1.8;
}

.page-home .section--paper .section-title,
.page-home .section--mist .section-title {
  color: var(--jn-ink);
}

.page-home .section--paper .section-lead,
.page-home .section--mist .section-lead {
  color: var(--jn-slate);
}

.page-home .section--dark .section-index,
.page-home .section--deep .section-index {
  color: var(--jn-gold);
}

.page-home .section--dark .section-title,
.page-home .section--deep .section-title {
  color: #FFFFFF;
}

.page-home .section--dark .section-lead,
.page-home .section--deep .section-lead {
  color: rgba(237, 242, 241, .75);
}

/* ---------- 球员名录 ---------- */

.page-home .roster-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--jn-line);
  border-radius: var(--jn-radius);
  background: #FFFFFF;
}

.page-home .roster-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-home .roster-table thead th {
  padding: 14px 18px;
  background: var(--jn-teal);
  color: #FFFFFF;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .05em;
  white-space: nowrap;
}

.page-home .roster-table tbody th {
  padding: 17px 18px;
  text-align: left;
  vertical-align: top;
  font-size: 15px;
  font-weight: 800;
  color: var(--jn-ink);
  white-space: nowrap;
  border-top: 1px solid var(--jn-line);
}

.page-home .roster-table tbody td {
  padding: 17px 18px;
  vertical-align: top;
  line-height: 1.68;
  color: var(--jn-slate);
  border-top: 1px solid var(--jn-line);
}

.page-home .roster-table tbody tr:nth-child(even) {
  background: rgba(30, 90, 107, .05);
}

.page-home .roster-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 赛前节奏 ---------- */

.page-home .flow {
  position: relative;
  background:
    radial-gradient(90% 70% at 14% 0%, rgba(30, 90, 107, .42) 0%, rgba(8, 22, 31, 0) 62%),
    var(--jn-night);
}

.page-home .flow-banner {
  margin: 0 0 clamp(30px, 5vw, 52px);
  overflow: hidden;
  border: 1px solid var(--jn-line-dark);
  border-radius: var(--jn-radius);
}

.page-home .flow-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 5;
  object-fit: cover;
  opacity: .82;
}

.page-home .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--jn-line-dark);
  border: 1px solid var(--jn-line-dark);
  border-radius: var(--jn-radius);
  overflow: hidden;
}

.page-home .flow-step {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(22px, 3.4vw, 34px);
  background: rgba(14, 42, 51, .94);
}

.page-home .flow-num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--jn-cyan);
}

.page-home .flow-title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
  color: #FFFFFF;
}

.page-home .flow-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: rgba(237, 242, 241, .74);
}

/* ---------- 多端延续 ---------- */

.page-home .device-split {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-home .device-copy > p {
  max-width: 60ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--jn-slate);
}

.page-home .device-points {
  list-style: none;
  margin: 24px 0 28px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-home .device-points li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--jn-ink);
}

.page-home .device-points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .62em;
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--jn-gold-deep);
  border-radius: 50%;
}

.page-home .device-panel {
  display: grid;
  gap: 1px;
  background: var(--jn-line);
  border: 1px solid var(--jn-line);
  border-radius: var(--jn-radius);
  overflow: hidden;
}

.page-home .device-row {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: #FFFFFF;
}

.page-home .device-name {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--jn-gold-deep);
}

.page-home .device-state {
  font-size: 14.5px;
  line-height: 1.66;
  color: var(--jn-ink);
}

/* ---------- 版本演进 ---------- */

.page-home .versions {
  position: relative;
  overflow: hidden;
  background: var(--jn-night);
}

.page-home .versions-texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-home .versions-texture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .15;
}

.page-home .versions > .container {
  position: relative;
  z-index: 1;
}

.page-home .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 30px;
  display: grid;
  gap: clamp(26px, 4.4vw, 44px);
}

.page-home .timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--jn-gold) 0%, rgba(217, 169, 76, .18) 100%);
}

.page-home .timeline-item {
  position: relative;
  display: grid;
  gap: 8px;
  max-width: 64ch;
}

.page-home .timeline-dot {
  position: absolute;
  left: -35px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--jn-gold);
  box-shadow: 0 0 0 4px rgba(217, 169, 76, .16);
}

.page-home .timeline-version {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--jn-cyan);
}

.page-home .timeline-title {
  margin: 0;
  font-size: clamp(18px, 2.6vw, 21px);
  font-weight: 800;
  line-height: 1.34;
  color: #FFFFFF;
}

.page-home .timeline-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(237, 242, 241, .72);
}

/* ---------- 开始使用 ---------- */

.page-home .start {
  background: linear-gradient(176deg, #0E2A33 0%, #08161F 100%);
  padding-bottom: clamp(48px, 7vw, 84px);
}

.page-home .start-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 3.4vw, 30px);
}

.page-home .start-step {
  display: grid;
  gap: 10px;
  align-content: start;
  padding-top: 20px;
  border-top: 2px solid var(--jn-gold);
}

.page-home .start-num {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--jn-gold);
}

.page-home .start-step h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.36;
  color: #FFFFFF;
}

.page-home .start-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: rgba(237, 242, 241, .72);
}

.page-home .start-foot {
  display: grid;
  gap: 18px;
  margin-top: clamp(34px, 5.4vw, 56px);
  padding-top: clamp(24px, 3.4vw, 34px);
  border-top: 1px solid var(--home-rule);
}

.page-home .start-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: rgba(237, 242, 241, .7);
}

.page-home .start-link {
  color: var(--jn-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 214, .38);
}

.page-home .start-link:hover {
  border-bottom-color: var(--jn-cyan);
}

.page-home .start-legal {
  margin: clamp(28px, 4vw, 40px) 0 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(237, 242, 241, .42);
}

/* ---------- 章节索引 ---------- */

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

.page-home .home-rail-link {
  display: block;
  padding: 7px 10px;
  font-size: 11.5px;
  letter-spacing: .06em;
  text-align: right;
  text-decoration: none;
  color: rgba(237, 242, 241, .48);
  border-right: 2px solid transparent;
  transition: color .2s var(--jn-ease), border-color .2s var(--jn-ease);
}

.page-home .home-rail-link:hover {
  color: var(--jn-gold);
}

.page-home .home-rail-link[aria-current="true"] {
  color: var(--jn-gold);
  border-right-color: var(--jn-gold);
}

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-home .band-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .band-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

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

@media (min-width: 960px) {
  .page-home .device-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

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

@media (min-width: 1000px) {
  .page-home .hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 268px);
  }

  .page-home .band-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .device-row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 1320px) {
  .page-home .home-rail {
    position: fixed;
    right: 22px;
    top: 50%;
    z-index: 40;
    display: grid;
    gap: 2px;
    width: 160px;
    transform: translateY(-50%);
  }
}

@media (max-width: 640px) {
  .page-home .hero {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), 0 100%);
  }

  .page-home .hero-arc {
    display: none;
  }

  .page-home .hero-mid {
    left: 84%;
  }

  .page-home .hero-title {
    transform: none;
  }

  .page-home .roster-links .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

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