/* ===== 首页 · page-home ===== */
.page-home {
  background: var(--c-deep);
  color: var(--ink-1);
  overflow-x: hidden;
}

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

.page-home .home-sec-head {
  max-width: 70ch;
  margin-bottom: clamp(24px, 4vw, 46px);
}

.page-home .home-sec-head .lede {
  margin-top: 14px;
  color: var(--ink-2);
}

/* ---------- 首屏海报层 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(48px, 8vw, 104px)) 0 clamp(48px, 7vw, 96px);
  background:
    radial-gradient(120% 90% at 10% 4%, rgba(20, 80, 122, 0.9) 0%, rgba(11, 42, 69, 0) 62%),
    linear-gradient(168deg, var(--c-deep) 0%, var(--c-night) 100%);
}

.page-home .home-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .home-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(199, 193, 182, 0.1) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(62, 140, 181, 0.09) 0 1px, transparent 1px 72px);
}

.page-home .home-hero__inner {
  position: relative;
  z-index: 2;
}

.page-home .home-hero__crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
}

.page-home .home-hero__crumb li + li::before {
  content: "／";
  margin-right: 12px;
  color: var(--c-cyan);
}

.page-home .home-hero__crumb a {
  color: var(--c-gold);
  text-decoration: none;
}

.page-home .home-hero__crumb a:hover {
  color: var(--c-orange);
}

.page-home .home-hero__title {
  margin: clamp(16px, 3vw, 28px) 0 0;
  color: var(--ink-1);
  text-shadow: 0 18px 48px rgba(7, 27, 46, 0.6);
}

.page-home .home-hero__title em {
  font-style: normal;
  color: var(--c-gold);
}

.page-home .home-hero__lede {
  max-width: 48ch;
  margin-top: clamp(18px, 3vw, 28px);
  font-size: clamp(17px, 1.7vw, 20px);
  color: var(--ink-2);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(24px, 3.5vw, 36px);
}

.page-home .home-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
  margin: clamp(34px, 5vw, 58px) 0 0;
  padding: clamp(20px, 3vw, 30px) 0 0;
  border-top: 1px solid var(--line-soft);
  list-style: none;
}

.page-home .home-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .home-hero__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 34px);
  letter-spacing: 0.02em;
  color: var(--c-gold);
}

.page-home .home-hero__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}

.page-home .home-hero__badge {
  position: relative;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  margin: clamp(26px, 4vw, 36px) var(--gutter) 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-decoration: none;
}

/* ---------- 顶部固定导航带说明 ---------- */
.page-home .home-navband {
  padding: clamp(56px, 8vw, 104px) 0;
  background: linear-gradient(180deg, var(--c-night) 0%, var(--c-deep) 100%);
  border-top: 1px solid var(--line-soft);
}

.page-home .home-navband__body {
  align-items: start;
  gap: clamp(24px, 4vw, 48px);
}

.page-home .home-index {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-home .home-index__item {
  display: grid;
  grid-template-columns: 3.4em minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-index__no {
  grid-row: span 2;
  align-self: start;
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-gold);
}

.page-home .home-index__item a {
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 700;
  color: var(--ink-1);
  text-decoration: none;
  transition: color var(--dur) var(--ease-out);
}

.page-home .home-index__item a:hover {
  color: var(--c-cyan);
}

.page-home .home-index__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-3);
}

.page-home .home-navband__figure {
  margin: 0;
}

.page-home .home-navband__figure img {
  display: block;
  width: 100%;
  border: 2px solid var(--line-hard);
  border-radius: var(--radius-card);
  object-fit: cover;
}

.page-home .home-navband__figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-3);
}

.page-home .home-quick {
  display: grid;
  gap: 16px;
  margin: clamp(30px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .home-quick__item {
  padding: 20px 22px;
  background: rgba(20, 80, 122, 0.28);
  border: 2px solid var(--line-soft);
  border-radius: var(--radius-card);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.page-home .home-quick__item:hover {
  transform: translateY(-4px);
  border-color: var(--c-cyan);
}

.page-home .home-quick__item h3 {
  margin: 12px 0 8px;
  font-size: 19px;
  color: var(--ink-1);
}

.page-home .home-quick__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 版本速览 ---------- */
.page-home .home-versions {
  padding: clamp(56px, 8vw, 104px) 0;
  background: var(--c-deep);
}

.page-home .home-versions__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(264px, 84%);
  gap: 16px;
  overflow-x: auto;
  padding: 4px 2px 20px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .home-versions__track > * {
  scroll-snap-align: start;
}

.page-home .home-issue {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 22px 24px;
  background: rgba(20, 80, 122, 0.32);
  border: 2px solid var(--line-soft);
  border-radius: var(--radius-card);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.page-home .home-issue:hover {
  transform: translateY(-4px);
  border-color: var(--c-cyan);
}

.page-home .home-issue h3 {
  margin: 4px 0 0;
  font-size: 20px;
  line-height: 1.5;
  color: var(--ink-1);
}

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

.page-home .home-issue__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-home .home-issue__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--c-orange);
}

.page-home .home-issue__scope {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-3);
}

.page-home .home-versions__more,
.page-home .home-compare__more {
  margin: clamp(24px, 3vw, 36px) 0 0;
}

/* ---------- 新旧入口对照 ---------- */
.page-home .home-compare-sec {
  padding: clamp(56px, 8vw, 104px) 0;
  background: linear-gradient(180deg, var(--c-deep) 0%, var(--c-night) 100%);
  border-top: 1px solid var(--line-soft);
}

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

.page-home .home-compare__row {
  display: grid;
  gap: 14px;
  padding: 20px 22px;
  background: rgba(11, 42, 69, 0.66);
  border: 2px solid var(--line-soft);
  border-left: 4px solid var(--c-orange);
  border-radius: var(--radius-card);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.page-home .home-compare__row:hover {
  transform: translateY(-4px);
  border-color: var(--c-cyan);
}

.page-home .home-compare__name {
  align-self: start;
  justify-self: start;
}

.page-home .home-compare__cell {
  display: grid;
  gap: 6px;
}

.page-home .home-compare__key {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-cyan);
}

.page-home .home-compare__cell p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------- 会员权益 ---------- */
.page-home .home-member {
  padding: clamp(56px, 8vw, 104px) 0;
  background: var(--c-deep);
}

.page-home .home-member__body {
  align-items: start;
  gap: clamp(24px, 4vw, 48px);
}

.page-home .home-member__figure {
  margin: 0;
}

.page-home .home-member__figure img {
  display: block;
  width: 100%;
  border: 2px solid var(--line-hard);
  border-radius: var(--radius-card);
  object-fit: cover;
}

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

.page-home .home-tiers__item {
  padding: 20px 22px;
  background: rgba(20, 80, 122, 0.3);
  border-left: 4px solid var(--c-cyan);
  border-radius: var(--radius-card);
  transition: transform var(--dur) var(--ease-out);
}

.page-home .home-tiers__item:nth-child(2) {
  border-left-color: var(--c-orange);
}

.page-home .home-tiers__item:nth-child(3) {
  border-left-color: var(--c-gold);
}

.page-home .home-tiers__item:hover {
  transform: translateY(-4px);
}

.page-home .home-tiers__rank {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-gold);
}

.page-home .home-tiers__item h3 {
  margin: 8px 0 10px;
  font-size: 20px;
  color: var(--ink-1);
}

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

.page-home .home-tiers__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-home .home-tiers__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--c-gold);
}

/* ---------- 联系模块（米白反白） ---------- */
.page-home .home-reach {
  padding: 0 0 clamp(56px, 8vw, 104px);
  background: var(--c-deep);
}

.page-home .home-reach__card {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(24px, 4vw, 52px);
  background: var(--c-cream);
  color: var(--c-night);
  border: 2px solid var(--c-rock);
  border-radius: var(--radius-card);
}

.page-home .home-reach__eyebrow {
  color: var(--c-clay);
}

.page-home .home-reach__title {
  color: var(--c-deep);
  margin: 10px 0 16px;
}

.page-home .home-reach__text > p {
  max-width: 56ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(7, 27, 46, 0.78);
}

.page-home .home-reach__list {
  display: grid;
  gap: 14px;
  margin: clamp(24px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-home .home-reach__item {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(11, 42, 69, 0.16);
}

.page-home .home-reach__item dt {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-tide);
}

.page-home .home-reach__item dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-night);
}

.page-home .home-reach__item dd a {
  color: var(--c-clay);
  text-decoration: none;
  border-bottom: 1px solid rgba(180, 85, 47, 0.4);
}

.page-home .home-reach__item dd a:hover {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

.page-home .home-reach__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-home .home-reach__figure {
  margin: 0;
}

.page-home .home-reach__figure img {
  display: block;
  width: 100%;
  border-radius: var(--radius-card);
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .home-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .home-versions__track {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow-x: visible;
    padding-bottom: 4px;
  }

  .page-home .home-compare__row {
    grid-template-columns: minmax(180px, 200px) minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 20px 28px;
  }

  .page-home .home-tiers__item:nth-child(2) {
    margin-left: 26px;
  }

  .page-home .home-tiers__item:nth-child(3) {
    margin-left: 52px;
  }

  .page-home .home-reach__card {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-home .home-hero__inner {
    max-width: none;
  }

  .page-home .home-hero__badge {
    position: absolute;
    top: 42%;
    right: 0;
    margin: 0;
    transform: rotate(-2deg);
  }
}