/* =====================================================
   page-home —— 首页专属样式（全部限定在 .page-home 内）
   ===================================================== */

.page-home {
  --home-cut: polygon(0 0, 100% 0, 100% 86%, 90% 100%, 0 100%);
  --home-veil: rgba(7, 9, 15, .94);
  overflow-x: hidden;
  background: var(--ink);
  color: var(--text);
}

/* ---------- 通用章节头 ---------- */
.page-home .sec-head {
  max-width: 44em;
  margin-bottom: 24px;
}

.page-home .sec-head h2 {
  margin: 8px 0 0;
}

.page-home .sec-head__note {
  margin: 12px 0 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 首屏：双栏对撞 ---------- */
.page-home .arena {
  position: relative;
  padding-top: 30px;
  padding-bottom: 30px;
  background:
    radial-gradient(880px 520px at 6% -14%, rgba(255, 45, 85, .22), transparent 62%),
    radial-gradient(760px 480px at 98% -8%, rgba(46, 123, 255, .22), transparent 64%),
    var(--ink);
  overflow: hidden;
}

.page-home .arena::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(231, 200, 122, .55), rgba(255, 45, 85, .5), transparent);
}

.page-home .arena__head {
  max-width: 34em;
}

.page-home .arena__title {
  margin: 14px 0 0;
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-size: clamp(2rem, 9vw, 5.25rem);
  text-wrap: balance;
}

.page-home .arena__title em {
  font-style: normal;
  color: var(--gold);
  text-shadow: 0 0 26px rgba(231, 200, 122, .38);
}

.page-home .arena__lede {
  margin-top: 18px;
  max-width: 34em;
  color: var(--muted);
}

.page-home .arena-cols {
  margin-top: 30px;
  display: grid;
  gap: 14px;
}

.page-home .face {
  position: relative;
  display: flex;
  min-height: 330px;
  border: 1px solid var(--glass-line);
  background: var(--panel);
  clip-path: var(--home-cut);
  overflow: hidden;
}

.page-home .face__media {
  position: absolute;
  inset: 0;
}

.page-home .face__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.page-home .face__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 9, 15, .34) 0%, rgba(7, 9, 15, .78) 56%, var(--home-veil) 100%);
}

.page-home .face__body {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  padding: 24px 22px;
}

.page-home .face__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.page-home .face--left .face__label {
  color: var(--red);
}

.page-home .face--right .face__label {
  color: var(--blue);
}

.page-home .face__title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: .01em;
}

.page-home .face__text {
  margin: 0;
  max-width: 30em;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .face__link {
  margin-top: 6px;
  align-self: flex-start;
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(231, 200, 122, .45);
  padding-bottom: 2px;
  transition: color .16s ease, border-color .16s ease;
}

.page-home .face__link:hover,
.page-home .face__link:focus-visible {
  color: var(--text);
  border-color: var(--text);
}

.page-home .arena__status {
  margin: 22px 0 0;
  display: inline-block;
  padding: 10px 16px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  background: var(--glass);
  border: 1px solid var(--glass-hair);
  border-left: 2px solid var(--red);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* ---------- 索引墙 ---------- */
.page-home .index-zone {
  padding-top: 36px;
}

.page-home .ribbon {
  margin: 0 0 28px;
}

.page-home .ribbon .figure__media {
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .ribbon .figure__cap {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--faint);
}

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

.page-home .idx-link {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  grid-template-areas:
    "no name"
    "no duty"
    "no count";
  gap: 4px 14px;
  padding: 16px 18px;
  background: var(--glass);
  border: 1px solid var(--glass-hair);
  border-left: 2px solid var(--gold);
  color: inherit;
  text-decoration: none;
  transition: background .16s ease, border-color .16s ease;
}

.page-home .idx-link:hover,
.page-home .idx-link:focus-visible {
  background: rgba(200, 220, 255, .13);
  border-left-color: var(--red);
}

.page-home .idx-link[aria-current="page"] {
  border-left-color: var(--jade);
  background: rgba(47, 211, 168, .10);
}

.page-home .idx-no {
  grid-area: no;
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-home .idx-name {
  grid-area: name;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: .01em;
}

.page-home .idx-duty {
  grid-area: duty;
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .idx-count {
  grid-area: count;
  margin-top: 4px;
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--jade);
}

/* ---------- 新手三步 ---------- */
.page-home .start-zone {
  padding-top: 36px;
}

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

.page-home .step {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: var(--panel);
  border: 1px solid var(--glass-hair);
  border-top: 2px solid var(--blue);
  clip-path: var(--home-cut);
}

.page-home .step__no {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-home .step__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: .01em;
}

.page-home .step__text {
  margin: 0;
  font-size: .875rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .step .btn {
  align-self: flex-start;
  margin-top: 4px;
}

/* ---------- 第三版状态 ---------- */
.page-home .ver-zone {
  padding-top: 36px;
}

.page-home .ver-grid {
  display: grid;
  gap: 22px;
}

.page-home .ver-body h2 {
  margin: 8px 0 0;
}

.page-home .ver-body .prose {
  margin-top: 14px;
  color: var(--muted);
}

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

.page-home .ver-node {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 16px;
  border-left: 2px solid rgba(242, 244, 248, .16);
  background: linear-gradient(90deg, rgba(200, 220, 255, .07), transparent 74%);
}

.page-home .ver-node.is-now {
  border-left-color: var(--jade);
  background: linear-gradient(90deg, rgba(47, 211, 168, .16), transparent 76%);
}

.page-home .ver-node__no {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-home .ver-node__name {
  font-size: 1rem;
  font-weight: 600;
}

.page-home .ver-node__txt {
  font-size: .8125rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .ver-figure {
  margin: 0;
}

.page-home .ver-figure .figure__media {
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .ver-figure .figure__cap {
  margin-top: 10px;
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--faint);
}

/* ---------- 双通道 ---------- */
.page-home .lanes-zone {
  padding-top: 36px;
}

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

.page-home .lane {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px;
  border: 1px solid var(--glass-hair);
  clip-path: var(--home-cut);
}

.page-home .lane--guide {
  background: linear-gradient(158deg, rgba(27, 20, 64, .92), rgba(16, 21, 31, .94));
  border-top: 2px solid var(--blue);
}

.page-home .lane--fix {
  background: linear-gradient(158deg, rgba(74, 18, 32, .88), rgba(16, 21, 31, .94));
  border-top: 2px solid var(--red);
}

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

.page-home .lane__title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: .01em;
}

.page-home .lane__text {
  margin: 0;
  font-size: .875rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .lane__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .lane__list li {
  position: relative;
  padding-left: 16px;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--text);
}

.page-home .lane__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.page-home .lane--guide .lane__list li::before {
  background: var(--blue);
}

.page-home .lane--fix .lane__list li::before {
  background: var(--red);
}

.page-home .lane .btn {
  align-self: flex-start;
  margin-top: 4px;
}

/* ---------- 收口 ---------- */
.page-home .outro-zone {
  padding-top: 36px;
  padding-bottom: 48px;
}

.page-home .outro {
  display: grid;
  gap: 24px;
}

.page-home .outro__main h2 {
  margin: 8px 0 0;
}

.page-home .outro__main .prose {
  margin-top: 14px;
  color: var(--muted);
}

.page-home .outro__links {
  margin: 16px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .8125rem;
  color: var(--faint);
}

.page-home .outro__links a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(231, 200, 122, .4);
}

.page-home .outro__links a:hover,
.page-home .outro__links a:focus-visible {
  color: var(--text);
  border-color: var(--text);
}

.page-home .outro__list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-home .outro__list > div {
  padding: 12px 14px;
  background: var(--glass);
  border-left: 2px solid var(--gold);
}

.page-home .outro__list dt {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--faint);
}

.page-home .outro__list dd {
  margin: 4px 0 0;
  font-size: .875rem;
  color: var(--text);
  word-break: break-all;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .idx-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-home .arena-cols {
    gap: 16px;
  }
}

@media (min-width: 880px) {
  .page-home .arena {
    padding-top: 46px;
    padding-bottom: 40px;
  }

  .page-home .arena-cols {
    grid-template-columns: 5fr 7fr;
    gap: 18px;
  }

  .page-home .face {
    min-height: 500px;
  }

  .page-home .face__body {
    padding: 30px 28px;
  }

  .page-home .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
  }

  .page-home .steps > .step:nth-child(2) {
    margin-top: 24px;
  }

  .page-home .steps > .step:nth-child(3) {
    margin-top: 48px;
  }

  .page-home .ver-grid {
    grid-template-columns: 7fr 5fr;
    gap: 30px;
    align-items: center;
  }

  .page-home .ver-figure {
    align-self: center;
  }

  .page-home .lanes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-home .outro {
    grid-template-columns: 7fr 5fr;
    gap: 34px;
    align-items: start;
  }

  .page-home .index-zone,
  .page-home .start-zone,
  .page-home .ver-zone,
  .page-home .lanes-zone,
  .page-home .outro-zone {
    padding-top: 52px;
  }
}

@media (min-width: 1180px) {
  .page-home .arena__head {
    max-width: 30em;
  }

  .page-home .face__title {
    font-size: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .face__link,
  .page-home .idx-link {
    transition-duration: .01ms;
  }

  .page-home .steps > .step {
    margin-top: 0;
  }
}