.page-home {
  --home-line: rgba(168, 191, 201, .14);
  --home-line-soft: rgba(168, 191, 201, .08);
  --home-cyan-line: rgba(45, 226, 230, .28);
  --home-glass: rgba(11, 58, 69, .55);
  --home-glass-deep: rgba(11, 58, 69, .82);
  --home-shadow: 0 20px 50px rgba(2, 9, 16, .55);
  --home-radius: 14px;

  display: block;
  background:
    linear-gradient(180deg,
      var(--abyss-deep) 0%,
      var(--abyss) 16%,
      var(--abyss) 80%,
      var(--abyss-deep) 100%);
  color: var(--paper);
  overflow-x: hidden;
}

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: .01em;
  margin: 0;
  color: var(--paper);
}

.page-home .home-sec {
  position: relative;
  padding: clamp(44px, 8vw, 92px) 0;
}

/* ---------- 面包屑 ---------- */
.page-home .breadcrumbs {
  padding-top: clamp(14px, 2.5vw, 24px);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding: clamp(20px, 4vw, 48px) 0 clamp(24px, 4vw, 44px);
  background-image:
    linear-gradient(var(--home-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--home-line-soft) 1px, transparent 1px);
  background-size: 68px 68px;
  background-position: center top;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 82% 6%, rgba(45, 226, 230, .13), transparent 58%),
    radial-gradient(90% 70% at 4% 96%, rgba(110, 31, 58, .22), transparent 62%);
  pointer-events: none;
}

.page-home .home-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 48px);
  align-items: start;
}

.page-home .home-hero__lead .eyebrow {
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-home .home-hero h1 {
  font-size: clamp(32px, 7.2vw, 58px);
  line-height: 1.06;
  text-wrap: balance;
}

.page-home .home-hero__sub {
  display: block;
  margin-top: 12px;
  font-size: clamp(19px, 3.4vw, 27px);
  line-height: 1.28;
  font-weight: 600;
  color: var(--gold);
}

.page-home .home-hero__intro {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .home-hero__quick {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--home-line);
}

.page-home .home-hero__quick li {
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-hero__quick-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 6px;
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  transition: padding-left .22s ease, background-color .22s ease, color .22s ease;
}

.page-home .home-hero__quick-link .mono {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: .08em;
}

.page-home .home-hero__quick-link::after {
  content: "→";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--cyan);
  opacity: .55;
  transition: opacity .22s ease, transform .22s ease;
}

.page-home .home-hero__quick-link:hover,
.page-home .home-hero__quick-link:focus-visible {
  padding-left: 14px;
  background: rgba(45, 226, 230, .07);
}

.page-home .home-hero__quick-link:hover::after {
  opacity: 1;
  transform: translateX(3px);
}

.page-home .home-hero__visual {
  position: relative;
  margin: 0;
  border-radius: var(--home-radius);
  overflow: hidden;
  border: 1px solid var(--home-cyan-line);
  box-shadow: var(--home-shadow);
}

.page-home .home-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .home-hero__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 16px;
  background: linear-gradient(180deg, rgba(6, 26, 43, 0), rgba(6, 26, 43, .92));
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-home .home-hero__caption .mono {
  font-size: 12px;
  color: var(--mist);
}

.page-home .home-coord {
  position: relative;
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
  border-radius: 10px;
  overflow: hidden;
}

.page-home .home-coord__item {
  background: rgba(10, 37, 64, .72);
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-home .home-coord__item .mono {
  display: block;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 3px;
}

/* ---------- 章节标题 ---------- */
.page-home .home-sechead {
  max-width: 60ch;
  margin-bottom: clamp(22px, 3.6vw, 38px);
}

.page-home .home-sechead .eyebrow {
  color: var(--cyan);
  margin: 0 0 12px;
}

.page-home .home-sechead h2 {
  font-size: clamp(25px, 4.6vw, 40px);
  line-height: 1.14;
  text-wrap: balance;
}

.page-home .home-sechead__text {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 版本档案宽幅条带 ---------- */
.page-home .home-band {
  position: relative;
  margin-top: clamp(10px, 2vw, 22px);
  overflow: hidden;
  border-top: 1px solid var(--home-line);
  border-bottom: 1px solid var(--home-line);
  background: var(--archive);
}

.page-home .home-band__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.85);
}

.page-home .home-band__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.6vw, 26px);
  padding-top: clamp(30px, 6vw, 68px);
  padding-bottom: clamp(30px, 6vw, 68px);
}

.page-home .home-band__card {
  border-radius: var(--home-radius);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--home-line);
}

.page-home .home-band__card--now {
  background: var(--home-glass-deep);
  backdrop-filter: blur(10px);
  border-color: var(--home-cyan-line);
}

.page-home .home-band__card--old {
  background: rgba(10, 37, 64, .88);
}

.page-home .home-band__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.page-home .home-band__top h3 {
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.2;
}

.page-home .home-band__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .home-band__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .home-band__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-home .home-band__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--home-cyan-line);
  padding-bottom: 3px;
  transition: gap .2s ease, color .2s ease;
}

.page-home .home-band__link:hover,
.page-home .home-band__link:focus-visible {
  gap: 14px;
  color: var(--gold);
}

/* ---------- 手机版会员中心 ---------- */
.page-home .home-member__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4.5vw, 52px);
  align-items: center;
}

.page-home .home-member__media {
  margin: 0;
  border-radius: var(--home-radius);
  overflow: hidden;
  border: 1px solid var(--home-line);
  box-shadow: var(--home-shadow);
}

.page-home .home-member__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-home .home-member__body .eyebrow {
  color: var(--cyan);
  margin: 0 0 12px;
}

.page-home .home-member__body h2 {
  font-size: clamp(24px, 4.2vw, 36px);
  line-height: 1.16;
  text-wrap: balance;
}

.page-home .home-member__text {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-home .home-member__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--home-line);
}

.page-home .home-member__list li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 13px 2px;
  border-bottom: 1px solid var(--home-line);
  font-size: 15px;
  line-height: 1.65;
  color: var(--paper);
}

.page-home .home-member__list .mono {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: .08em;
  flex: none;
}

.page-home .home-member__stat {
  margin: 24px 0 0;
  padding: 18px 20px;
  border-left: 2px solid var(--gold);
  background: linear-gradient(90deg, rgba(242, 184, 75, .1), transparent 78%);
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .home-member__num {
  font-size: 26px;
  font-weight: 700;
  color: var(--gold);
  margin-right: 6px;
}

.page-home .home-member__body .btn {
  margin-top: 26px;
}

/* ---------- 栏目索引瀑布 ---------- */
.page-home .home-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .home-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 26px);
  border-radius: var(--home-radius);
  border: 1px solid var(--home-line);
  background: linear-gradient(160deg, rgba(10, 37, 64, .94), rgba(6, 26, 43, .94));
  text-decoration: none;
  color: var(--paper);
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}

.page-home .home-card:hover,
.page-home .home-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--home-cyan-line);
  box-shadow: var(--home-shadow);
}

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

.page-home .home-card__title {
  font-size: clamp(19px, 2.6vw, 23px);
  line-height: 1.25;
}

.page-home .home-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .home-card__foot {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--home-line-soft);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold);
}

/* ---------- 帮助文档折叠 ---------- */
.page-home .home-doc {
  margin-top: clamp(22px, 3.5vw, 34px);
  border-radius: var(--home-radius);
  border: 1px solid var(--home-line);
  background: var(--home-glass);
}

.page-home .home-doc .accordion__summary {
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
  cursor: pointer;
}

.page-home .home-doc .accordion__body {
  padding: 0 20px 22px;
}

.page-home .home-doc__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-home .home-doc__list li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  padding-left: 14px;
  border-left: 1px solid var(--home-line);
}

.page-home .home-doc__list strong {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 服务状态与信任 ---------- */
.page-home .home-trust__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.4vw, 34px);
  align-items: stretch;
}

.page-home .home-trust__media {
  margin: 0;
  border-radius: var(--home-radius);
  overflow: hidden;
  border: 1px solid var(--home-line);
  min-height: 210px;
}

.page-home .home-trust__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 210px;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(.9);
}

.page-home .home-trust__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
  border-radius: var(--home-radius);
  overflow: hidden;
}

.page-home .home-stat {
  background: rgba(10, 37, 64, .9);
  padding: 20px;
}

.page-home .home-stat__num {
  display: block;
  font-size: clamp(26px, 4.4vw, 36px);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .02em;
  line-height: 1.1;
}

.page-home .home-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--mist);
}

.page-home .home-rhythm {
  margin-top: clamp(24px, 4vw, 40px);
  padding: clamp(22px, 3.4vw, 32px);
  border-radius: var(--home-radius);
  border: 1px solid var(--home-cyan-line);
  background: linear-gradient(120deg, rgba(11, 58, 69, .7), rgba(6, 26, 43, .7));
}

.page-home .home-rhythm__title {
  font-size: clamp(18px, 2.6vw, 22px);
  margin-bottom: 16px;
}

.page-home .home-rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .home-rhythm__list li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .home-rhythm__k {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
  margin-bottom: 4px;
}

.page-home .home-trust__cta {
  margin-top: clamp(24px, 4vw, 38px);
  padding-top: 24px;
  border-top: 1px solid var(--home-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}

.page-home .home-trust__cta p {
  margin: 0;
  font-size: 16px;
  color: var(--mist);
  flex: 1 1 260px;
}

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

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

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

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

@media (min-width: 1024px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    gap: clamp(40px, 4.5vw, 72px);
  }

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

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

  .page-home .home-member__grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
  }

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

  .page-home .home-card--wide {
    grid-column: span 2;
  }

  .page-home .home-trust__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-home .home-rhythm__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-card,
  .page-home .home-hero__quick-link,
  .page-home .home-band__link {
    transition: none;
  }
}
</main>