.page-home {
  --home-dock-h: 46px;
  position: relative;
  display: block;
  background: var(--night);
  color: var(--snow);
  overflow-x: clip;
}

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

/* ---------- 封面首屏 ---------- */
.page-home .cover {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: flex-end;
  min-height: clamp(540px, 88vh, 780px);
  padding: clamp(26px, 6vw, 58px) 0 clamp(32px, 5vw, 64px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-home .cover__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-home .cover__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.page-home .cover::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(6, 20, 38, 0.94) 0%, rgba(6, 20, 38, 0.52) 40%, rgba(6, 20, 38, 0.97) 100%),
    linear-gradient(102deg, rgba(12, 32, 54, 0.92) 0%, rgba(6, 20, 38, 0.3) 60%, rgba(24, 224, 200, 0.14) 100%);
}

.page-home .cover__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  width: 100%;
}

.page-home .cover__context {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-home .cover__context::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--flag);
  flex: none;
}

.page-home .cover h1 {
  margin: 0;
  max-width: 15em;
  font-family: var(--font-head);
  font-size: clamp(30px, 6.4vw, 62px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-home .cover__deck {
  margin: 20px 0 0;
  max-width: 32em;
  font-size: clamp(15.5px, 1.3vw, 17.5px);
  line-height: 1.75;
  color: rgba(234, 243, 247, 0.82);
}

.page-home .cover__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}

.page-home .cover__hint {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--dust);
  max-width: 34em;
}

.page-home .cover__rail {
  border: 1px solid rgba(147, 169, 188, 0.26);
  background: rgba(9, 25, 42, 0.66);
  backdrop-filter: blur(6px);
}

.page-home .cover__rail-title {
  margin: 0;
  padding: 14px 16px 12px;
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: var(--dust);
  border-bottom: 1px solid var(--line);
}

.page-home .cover__rail ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .cover__rail li + li {
  border-top: 1px solid rgba(39, 64, 86, 0.75);
}

.page-home .cover__rail a {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 12px;
  padding: 13px 16px;
  color: var(--snow);
  text-decoration: none;
  font-size: 14.5px;
  transition: background 0.24s var(--ease), color 0.24s var(--ease);
}

.page-home .cover__rail a .mono {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-home .cover__rail a:hover,
.page-home .cover__rail a:focus-visible {
  background: rgba(24, 224, 200, 0.1);
  color: var(--cyan);
}

/* ---------- 区块骨架 ---------- */
.page-home .blk {
  padding: clamp(46px, 8vw, 96px) 0;
  border-top: 1px solid var(--line);
}

.page-home .blk--tight {
  padding-top: clamp(36px, 6vw, 64px);
}

.page-home .blk--band {
  background: linear-gradient(180deg, var(--night-2) 0%, var(--night) 100%);
}

.page-home .blk-head {
  display: grid;
  gap: 14px;
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-home .blk-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--lake);
}

.page-home .blk-kicker::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  flex: none;
}

.page-home .blk-title {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 35px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-home .blk-note {
  margin: 0;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--dust);
}

/* ---------- 01–04 索引条 ---------- */
.page-home .index-strip {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .index-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--night);
  color: var(--snow);
  text-decoration: none;
  transition: background 0.28s var(--ease);
}

.page-home .index-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width 0.32s var(--ease);
}

.page-home .index-card:hover,
.page-home .index-card:focus-visible {
  background: var(--rock);
}

.page-home .index-card:hover::after,
.page-home .index-card:focus-visible::after {
  width: 100%;
}

.page-home .index-card__num {
  font-family: var(--font-mono);
  font-size: clamp(44px, 8vw, 70px);
  line-height: 0.82;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(147, 169, 188, 0.62);
  transition: -webkit-text-stroke-color 0.3s var(--ease);
}

.page-home .index-card:hover .index-card__num,
.page-home .index-card:focus-visible .index-card__num {
  -webkit-text-stroke-color: var(--cyan);
}

.page-home .index-card__title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-home .index-card__desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--dust);
}

.page-home .index-card__go {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lake);
}

.page-home .index-card:hover .index-card__go {
  color: var(--cyan);
}

/* ---------- 本轮数据带 ---------- */
.page-home .round-grid {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

.page-home .round-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .round-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 2.2vw, 24px);
  background: var(--night-2);
}

.page-home .round-stat__label {
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--dust);
}

.page-home .round-stat__value {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4.2vw, 38px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-home .round-stat--accent .round-stat__value {
  color: var(--gold);
}

.page-home .round-stat__value small {
  margin-left: 6px;
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--dust);
}

.page-home .round-stat__meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: rgba(147, 169, 188, 0.86);
}

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

.page-home .round-figure__cap {
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--dust);
}

/* ---------- 入口对照 ---------- */
.page-home .swap-banner {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-home .swap-banner .media {
  border: 1px solid var(--line);
}

.page-home .swap {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .swap__col {
  padding: clamp(20px, 3vw, 32px);
}

.page-home .swap__col h3 {
  margin: 10px 0 14px;
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-home .swap__col--old {
  background: linear-gradient(160deg, rgba(19, 44, 70, 0.5), rgba(6, 20, 38, 0.94));
}

.page-home .swap__col--old h3 {
  color: var(--dust);
}

.page-home .swap__col--new {
  position: relative;
  background: linear-gradient(150deg, rgba(42, 167, 155, 0.24) 0%, rgba(19, 44, 70, 0.9) 52%, rgba(242, 101, 42, 0.18) 100%);
}

.page-home .swap__tag {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.2em;
}

.page-home .swap__col--old .swap__tag {
  color: var(--dust);
}

.page-home .swap__col--new .swap__tag {
  color: var(--gold);
}

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

.page-home .swap__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(234, 243, 247, 0.86);
}

.page-home .swap__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 1px;
  background: var(--dust);
}

.page-home .swap__col--new .swap__list li::before {
  background: var(--cyan);
}

.page-home .qa {
  display: grid;
  gap: 1px;
  margin-top: clamp(20px, 3vw, 30px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .qa .panel {
  background: var(--night);
}

.page-home .qa .panel summary {
  cursor: pointer;
  padding: 16px clamp(16px, 2vw, 22px);
  font-size: 15px;
  font-weight: 500;
  color: var(--snow);
  list-style: none;
  transition: color 0.2s var(--ease);
}

.page-home .qa .panel summary::-webkit-details-marker {
  display: none;
}

.page-home .qa .panel summary::before {
  content: "+";
  display: inline-block;
  width: 18px;
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-home .qa .panel[open] summary::before {
  content: "−";
}

.page-home .qa .panel summary:hover {
  color: var(--cyan);
}

.page-home .qa .panel__body {
  padding: 0 clamp(16px, 2vw, 22px) 18px 34px;
}

.page-home .qa .panel__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--dust);
}

.page-home .swap-more {
  margin: clamp(22px, 3vw, 30px) 0 0;
}

/* ---------- 资料与工具 ---------- */
.page-home .res-grid {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
}

.page-home .res-copy .blk-head {
  margin-bottom: 24px;
}

.page-home .res-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .res-list li {
  display: grid;
  gap: 4px;
  padding: 13px 16px;
  background: var(--night-2);
  font-size: 14px;
  line-height: 1.65;
  color: rgba(234, 243, 247, 0.82);
}

.page-home .res-list .mono {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-home .tabs {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-home .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-home .tabs__btn {
  padding: 7px 16px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--dust);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-home .tabs__btn[aria-selected="true"] {
  color: var(--night);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-home .tabs__btn:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-home .tabs__btn[aria-selected="true"]:hover {
  color: var(--night);
}

.page-home .tabs__panel p {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--dust);
}

.page-home .tabs__panel[hidden] {
  display: none;
}

.page-home .res-cta {
  margin: 26px 0 0;
}

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

.page-home .res-figure .media {
  border: 1px solid var(--line);
}

.page-home .res-figure__cap {
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--dust);
}

/* ---------- 三步自查 ---------- */
.page-home .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--night);
}

.page-home .step__num {
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(24, 224, 200, 0.7);
}

.page-home .step__body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-home .step__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--dust);
}

.page-home .help-more {
  margin: 22px 0 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--dust);
}

.page-home .help-more a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 更新节奏 ---------- */
.page-home .rhythm {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .rhythm__item {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.4vw, 24px) 0;
  background: var(--night);
}

.page-home .rhythm__time {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-home .rhythm__item p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(234, 243, 247, 0.84);
}

.page-home .outro {
  margin-top: clamp(26px, 4vw, 40px);
  display: grid;
  gap: 20px;
  padding-top: clamp(22px, 3vw, 30px);
  border-top: 1px solid var(--line);
}

.page-home .outro p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--dust);
}

.page-home .outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 固定快捷条 ---------- */
.page-home .home-dock {
  position: fixed;
  z-index: 30;
  right: 12px;
  bottom: 12px;
  display: flex;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  background: rgba(9, 25, 42, 0.94);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.page-home .home-dock__btn {
  padding: 8px 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--snow);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.2;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .home-dock__btn:hover,
.page-home .home-dock__btn:focus-visible {
  color: var(--cyan);
  border-color: var(--line);
}

.page-home .home-dock__btn--top {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .round-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .rhythm__item {
    grid-template-columns: 180px 1fr;
    align-items: baseline;
    gap: 24px;
  }

  .page-home .outro__links {
    justify-content: flex-start;
  }
}

@media (min-width: 720px) {
  .page-home .index-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-home .step {
    grid-template-columns: 1fr;
    align-content: start;
  }
}

@media (min-width: 900px) {
  .page-home .round-grid {
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: start;
  }

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

  .page-home .swap {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .swap__col--new {
    padding-left: clamp(34px, 4vw, 52px);
  }

  .page-home .res-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

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

@media (min-width: 1000px) {
  .page-home .cover__inner {
    grid-template-columns: minmax(0, 1fr) 272px;
    align-items: end;
    gap: clamp(32px, 5vw, 72px);
  }
}

@media (min-width: 1080px) {
  .page-home .index-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .round-grid {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .index-card,
  .page-home .index-card::after,
  .page-home .index-card__num,
  .page-home .cover__rail a,
  .page-home .home-dock__btn,
  .page-home .tabs__btn {
    transition: none;
  }
}