.page-home {
  --home-hairline: rgba(185, 194, 198, 0.18);
  --home-hairline-strong: rgba(185, 194, 198, 0.34);
  --home-veil: rgba(244, 241, 234, 0.06);
  --home-veil-hover: rgba(244, 241, 234, 0.12);
}

.page-home .section {
  padding-block: clamp(46px, 7vw, 92px);
}

.page-home .block-head {
  display: grid;
  gap: 12px;
  max-width: 64ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-home .eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sea);
}

.page-home .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(25px, 4vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  font-weight: 700;
}

.page-home .block-lede {
  margin: 0;
  font-size: clamp(15px, 1.9vw, 16.5px);
  line-height: 1.78;
  color: var(--graphite);
  max-width: 58ch;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(24px, 4vw, 44px) clamp(40px, 9vw, 96px);
}

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

.page-home .hero-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: saturate(0.85) contrast(1.06);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(14, 34, 51, 0.62) 0%, rgba(14, 34, 51, 0.18) 42%, rgba(14, 34, 51, 0.94) 100%),
    radial-gradient(115% 75% at 88% 12%, rgba(111, 211, 216, 0.26), transparent 62%);
}

.page-home .hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2.4vw, 22px);
}

.page-home .hero .breadcrumb,
.page-home .hero .breadcrumb a {
  color: rgba(244, 241, 234, 0.6);
}

.page-home .hero .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-home .hero-coord {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--ice);
}

.page-home .hero h1 {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: clamp(38px, 9vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 16ch;
  overflow-wrap: break-word;
}

.page-home .hero-lede {
  margin: 0;
  max-width: 42ch;
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.75;
  color: var(--on-deep);
  overflow-wrap: break-word;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-home .hero .btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: transform 220ms var(--ease), background 220ms var(--ease);
}

.page-home .hero .btn--primary {
  background: var(--maple);
  color: var(--paper);
}

.page-home .hero .btn--ghost {
  background: transparent;
  border: 1px solid rgba(185, 194, 198, 0.55);
  color: var(--paper);
}

.page-home .hero .btn:hover {
  transform: translateY(-2px);
}

.page-home .hero .btn--ghost:hover {
  background: rgba(244, 241, 234, 0.1);
}

.page-home .hero .btn:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-home .hero-stack {
  position: relative;
  z-index: 2;
  margin-top: clamp(30px, 6vw, 44px);
  display: grid;
  gap: 10px;
}

.page-home .stack-label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: rgba(244, 241, 234, 0.55);
}

.page-home .stack-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-home .stack-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(14, 34, 51, 0.52);
  box-shadow: inset 2px 0 0 var(--ice), inset 0 0 0 1px var(--home-hairline);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.page-home .stack-code {
  font-size: 11.5px;
  color: var(--ice);
  letter-spacing: 0.06em;
}

.page-home .stack-name {
  flex: 1;
  font-size: 14.5px;
  color: var(--paper);
}

.page-home .stack-count {
  font-size: 11.5px;
  color: rgba(244, 241, 234, 0.5);
}

.page-home .stack-hint {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(244, 241, 234, 0.48);
}

/* ---------- 栏目速查 ---------- */
.page-home .columns {
  background: var(--paper);
  color: var(--ink);
}

.page-home .columns-intro {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-home .columns-figure,
.page-home .index-figure,
.page-home .signin-media {
  margin: 0;
  background: var(--sea);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  overflow: hidden;
}

.page-home .columns-figure img,
.page-home .index-figure img,
.page-home .signin-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .columns-grid {
  display: grid;
  gap: 10px;
}

.page-home .col-group {
  background: #ffffff;
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-home .col-group > summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  color: var(--ink);
}

.page-home .col-group > summary::-webkit-details-marker {
  display: none;
}

.page-home .col-group > summary::after {
  content: "＋";
  margin-left: 2px;
  font-size: 13px;
  line-height: 1;
  color: var(--sea);
}

.page-home .col-group[open] > summary::after {
  content: "－";
  color: var(--moss);
}

.page-home .col-group > summary:focus-visible {
  outline: 2px solid var(--sea);
  outline-offset: -2px;
}

.page-home .col-code {
  font-size: 11.5px;
  color: var(--silver);
  letter-spacing: 0.08em;
}

.page-home .col-name {
  flex: 1;
  font-weight: 600;
  min-width: 0;
}

.page-home .col-count {
  font-size: 11.5px;
  color: var(--graphite);
}

.page-home .col-tags {
  list-style: none;
  margin: 0;
  padding: 0 16px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-home .col-tags li {
  font-size: 12.5px;
  line-height: 1.5;
  padding: 4px 10px;
  background: rgba(27, 74, 107, 0.08);
  color: var(--sea);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}

/* ---------- 索引记录 ---------- */
.page-home .index {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
}

.page-home .index::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(180deg, var(--home-hairline) 0 1px, transparent 1px 72px);
  opacity: 0.55;
}

.page-home .index .wrap {
  position: relative;
  z-index: 1;
}

.page-home .index .eyebrow {
  color: var(--ice);
}

.page-home .index .block-lede {
  color: var(--on-deep);
}

.page-home .index-body {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
}

.page-home .index-tabs .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-home .index-tabs .tab {
  appearance: none;
  border: 1px solid var(--home-hairline-strong);
  background: transparent;
  color: var(--on-deep);
  font-family: var(--font-body);
  font-size: 13.5px;
  padding: 8px 18px;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: background 200ms var(--ease), color 200ms var(--ease);
}

.page-home .index-tabs .tab[aria-selected="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  font-weight: 600;
}

.page-home .index-tabs .tab:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--ice);
}

.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  position: relative;
}

.page-home .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--home-hairline-strong);
}

.page-home .tl-node {
  position: relative;
  display: grid;
  gap: 3px;
  padding: 11px 0;
  border-bottom: 1px solid var(--home-hairline);
}

.page-home .tl-node:last-child {
  border-bottom: 0;
}

.page-home .tl-node::before {
  content: "";
  position: absolute;
  left: -21px;
  top: 17px;
  width: 9px;
  height: 9px;
  background: var(--ink);
  box-shadow: inset 0 0 0 2px var(--ice);
}

.page-home .tl-date {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ice);
}

.page-home .tl-path {
  font-size: 15px;
  line-height: 1.55;
  color: var(--paper);
  overflow-wrap: break-word;
}

.page-home .tl-cat {
  color: var(--silver);
}

/* ---------- 两步登录 ---------- */
.page-home .signin {
  background: var(--paper);
  color: var(--ink);
}

.page-home .signin-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-home .signin-copy {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .steps {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: #ffffff;
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-home .step-num {
  font-size: 22px;
  line-height: 1;
  font-weight: 700;
  color: var(--maple);
}

.page-home .step-body h3 {
  margin: 0 0 4px;
  font-size: 15.5px;
  font-weight: 600;
}

.page-home .step-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-home .signin-note {
  margin: 2px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--graphite);
  padding-left: 14px;
  border-left: 2px solid var(--ice);
}

/* ---------- 当季收藏 ---------- */
.page-home .season {
  background: var(--paper);
  padding-top: 0;
}

.page-home .season-panel {
  display: grid;
  gap: clamp(20px, 4vw, 44px);
  padding: clamp(24px, 5vw, 52px);
  background: var(--sea);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-home .season-copy .eyebrow {
  color: var(--ice);
}

.page-home .season-copy .section-title {
  margin-bottom: 12px;
}

.page-home .season-copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--on-deep);
  max-width: 46ch;
}

.page-home .season-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-home .season-list li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--home-hairline);
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(244, 241, 234, 0.86);
}

.page-home .season-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .season-key {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

/* ---------- 下一步 ---------- */
.page-home .next {
  background: var(--ink);
  color: var(--paper);
}

.page-home .next .eyebrow {
  color: var(--ice);
}

.page-home .next-grid {
  display: grid;
  gap: 12px;
}

.page-home .next-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 20px;
  background: var(--home-veil);
  box-shadow: inset 0 0 0 1px var(--home-hairline);
  color: var(--paper);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transition: background 220ms var(--ease), transform 220ms var(--ease);
}

.page-home .next-card:hover {
  background: var(--home-veil-hover);
  transform: translateY(-3px);
}

.page-home .next-card:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--lime);
}

.page-home .next-code {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--ice);
}

.page-home .next-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
}

.page-home .next-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--on-deep);
}

.page-home .next-go {
  margin-top: auto;
  padding-top: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-home .next-more {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--on-deep);
}

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

.page-home .next-more a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

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

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

@media (min-width: 900px) {
  .page-home .hero-inner {
    max-width: 63%;
    padding-right: 0;
  }

  .page-home .hero-stack {
    position: absolute;
    right: var(--edge);
    bottom: clamp(48px, 8vw, 92px);
    width: min(322px, 32vw);
    margin-top: 0;
    z-index: 3;
  }

  .page-home .columns-intro {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .page-home .signin-grid {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: start;
  }

  .page-home .season-panel {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-home .index-body {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

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

@media (min-width: 1080px) {
  .page-home .columns-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero .btn,
  .page-home .next-card,
  .page-home .index-tabs .tab {
    transition: none;
  }

  .page-home .hero .btn:hover,
  .page-home .next-card:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>