.page-home {
  --home-line: rgba(94, 113, 131, .26);
  --home-body: #2E4256;
  --home-head: #0B1B2B;
  --home-accent: #0C7A74;
  --home-soft-line: rgba(174, 187, 199, .22);
  background: var(--paper);
  color: var(--home-body);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-home h2 {
  font-family: var(--font-display);
  font-size: clamp(25px, 4.4vw, 38px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -.024em;
  color: var(--home-head);
  margin: 12px 0 16px;
}

.page-home h3 {
  font-family: var(--font-display);
  letter-spacing: -.012em;
}

.page-home p {
  margin: 0 0 14px;
  line-height: 1.78;
  font-size: 15.5px;
}

.page-home .home-media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

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

/* ---------- 首屏 ---------- */

.hero-home {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(36px, 7vw, 78px));
  padding-bottom: clamp(52px, 8vw, 96px);
  background:
    radial-gradient(circle at 84% 6%, rgba(35, 211, 199, .15), transparent 54%),
    linear-gradient(158deg, #0B1B2B 0%, #0B1B2B 46%, #132A3D 100%);
  color: var(--paper);
  overflow: hidden;
}

.hero-home::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(to right, rgba(174, 187, 199, .07) 0 1px, transparent 1px 78px),
    repeating-linear-gradient(to bottom, rgba(174, 187, 199, .07) 0 1px, transparent 1px 78px);
  -webkit-mask-image: radial-gradient(circle at 72% 18%, #000 0%, transparent 72%);
  mask-image: radial-gradient(circle at 72% 18%, #000 0%, transparent 72%);
  pointer-events: none;
}

.hero-home::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 46%, var(--orange));
  opacity: .72;
}

.hero-home__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
}

.hero-home .eyebrow {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
}

.hero-home h1 {
  font-family: var(--font-display);
  font-size: clamp(29px, 6vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.032em;
  color: var(--paper);
  margin: 16px 0 20px;
}

.hero-home__intro {
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.82;
  color: var(--text);
  margin: 0;
}

.hero-home__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-home__chapters {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--home-soft-line);
}

.chapter-link {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 15px 4px;
  border-bottom: 1px solid rgba(174, 187, 199, .14);
  text-decoration: none;
  color: var(--paper);
  transition: background-color var(--t) var(--ease), padding-left var(--t) var(--ease);
}

.chapter-link:hover,
.chapter-link:focus-visible {
  background: rgba(35, 211, 199, .07);
  padding-left: 10px;
  outline: none;
}

.chapter-link__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--cyan);
  padding-top: 4px;
}

.chapter-link__body {
  display: block;
  min-width: 0;
}

.chapter-link__title {
  display: block;
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: -.01em;
}

.chapter-link__desc {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.hero-home__panel {
  position: relative;
  min-width: 0;
}

.hero-home__figure {
  position: relative;
  margin: 0 0 20px;
  border-radius: var(--r-md);
  overflow: hidden;
  opacity: .62;
}

.hero-home__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 27, 43, 0) 28%, rgba(11, 27, 43, .88) 100%);
}

.index-card {
  position: relative;
  z-index: 1;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid rgba(174, 187, 199, .3);
  border-radius: 0 var(--r-lg) 0 var(--r-lg);
  background: rgba(6, 19, 30, .78);
}

.index-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.index-card__sig {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.index-card__state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--mist);
}

.index-card__ver {
  margin: 16px 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--paper);
  line-height: 1.1;
}

.index-card__desc {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text);
}

.index-card__more {
  display: inline-block;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t) var(--ease);
}

.index-card__more:hover,
.index-card__more:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 索引变更 ---------- */

.home-index {
  background: var(--ink-2);
  color: var(--text);
  padding: clamp(52px, 8vw, 104px) 0;
}

.home-index__inner {
  display: grid;
  gap: 40px;
}

.page-home .home-index h2 {
  color: var(--paper);
}

.home-index .eyebrow {
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
}

.home-index__lead {
  max-width: 56ch;
  color: var(--text);
  font-size: 15.5px;
}

.index-facts {
  margin: 26px 0 30px;
  padding: 0;
  border-top: 1px solid var(--home-soft-line);
}

.index-facts > div {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(174, 187, 199, .13);
}

.index-facts dt {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

.index-facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--paper);
}

.index-facts__num {
  font-family: var(--font-mono);
  letter-spacing: .06em;
  color: var(--cyan) !important;
}

.home-index__figure {
  position: relative;
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--home-soft-line);
}

.home-index__figure .media__label {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--paper);
  background: rgba(6, 19, 30, .82);
  border-radius: var(--r-sm);
}

.index-details {
  margin-top: 22px;
  border: 1px solid var(--home-soft-line);
  border-radius: var(--r-sm);
  background: rgba(6, 19, 30, .42);
}

.index-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  font-size: 14px;
  color: var(--paper);
  list-style: none;
}

.index-details summary::-webkit-details-marker {
  display: none;
}

.index-details summary .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  letter-spacing: .06em;
}

.index-details summary::after {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--orange);
  font-size: 15px;
}

.index-details[open] summary::after {
  content: "－";
}

.index-details ul {
  margin: 0;
  padding: 0 16px 18px;
  list-style: none;
  display: grid;
  gap: 10px;
}

.index-details li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--text);
}

.index-details li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

/* ---------- 六类归档 ---------- */

.home-library {
  background: var(--paper);
  padding: clamp(52px, 8vw, 104px) 0;
}

.home-library__head {
  display: grid;
  gap: 26px;
  margin-bottom: clamp(30px, 5vw, 54px);
}

.home-library__headtext p {
  max-width: 58ch;
}

.home-library__figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--home-line);
}

.library-grid {
  display: grid;
  gap: 16px;
}

.archive {
  padding: 22px 20px 20px;
  background: #fff;
  border: 1px solid var(--home-line);
  border-left: 3px solid var(--mist);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  transition: transform var(--t) var(--ease), border-left-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.archive:hover {
  transform: translateY(-2px);
  border-left-color: var(--cyan);
  box-shadow: 0 14px 30px -22px rgba(11, 27, 43, .6);
}

.archive__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--slate);
}

.archive__name {
  margin: 10px 0 8px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.014em;
  color: var(--home-head);
}

.archive__desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
}

.archive__fit {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--home-line);
  font-size: 12.5px;
  line-height: 1.66;
  color: var(--slate);
}

.archive__fit b {
  color: var(--home-head);
  font-weight: 600;
}

.library-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: clamp(30px, 4vw, 44px) 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--home-line);
}

.library-stats li {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--slate);
}

.library-stats b {
  color: var(--home-head);
  font-weight: 700;
  font-size: 15px;
}

/* ---------- 两条路径 ---------- */

.home-paths {
  background: var(--pale);
  padding: clamp(52px, 8vw, 104px) 0;
}

.home-paths__head {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.home-paths__head p {
  color: #33475A;
}

.paths-compare {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(28px, 4vw, 42px);
}

.path-card {
  padding: 26px 22px 24px;
  background: #fff;
  border: 1px solid rgba(94, 113, 131, .24);
  border-top: 3px solid var(--slate);
  border-radius: 0 0 var(--r-md) var(--r-md);
  transition: transform var(--t) var(--ease), border-top-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.path-card:hover,
.path-card:focus-within {
  transform: translateY(-2px);
  border-top-color: var(--cyan);
  box-shadow: 0 16px 32px -24px rgba(11, 27, 43, .55);
}

.path-card--cn:hover,
.path-card--cn:focus-within {
  border-top-color: var(--violet);
}

.path-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--slate);
}

.path-card__name {
  margin: 10px 0 8px;
  font-size: 22px;
  font-weight: 700;
  color: var(--home-head);
}

.path-card__desc {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.75;
}

.path-card__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.path-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: #33475A;
}

.path-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid var(--home-accent);
}

.path-card__link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--home-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t) var(--ease);
}

.path-card__link:hover,
.path-card__link:focus-visible {
  border-bottom-color: var(--home-accent);
}

.home-paths__figure {
  position: relative;
  margin: 0 0 clamp(26px, 4vw, 36px);
  border-radius: var(--r-md);
  overflow: hidden;
}

.home-paths__figure .home-media__img {
  height: clamp(170px, 26vw, 300px);
}

.home-paths__figure .media__label {
  position: absolute;
  left: 14px;
  bottom: 12px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--paper);
  background: rgba(6, 19, 30, .78);
  border-radius: var(--r-sm);
}

/* ---------- 首次收藏 ---------- */

.home-first {
  background: var(--paper);
  padding: clamp(52px, 8vw, 104px) 0;
}

.home-first__inner {
  display: grid;
  gap: 34px;
}

.home-first__lead {
  max-width: 58ch;
}

.first-steps {
  list-style: none;
  margin: 28px 0 30px;
  padding: 0;
  display: grid;
  gap: 20px;
}

.first-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--home-line);
}

.first-step:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.first-step__num {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--home-accent);
  padding-top: 4px;
}

.first-step__text h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--home-head);
}

.first-step__text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
}

.first-note {
  padding: 24px 22px 22px;
  background: var(--pale);
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.first-note__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--home-head);
}

.first-note__text {
  font-size: 14px;
  line-height: 1.76;
  color: #33475A;
}

.first-note__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.first-note__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.68;
  color: #33475A;
}

.first-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .64em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

.first-note__link {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--home-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t) var(--ease);
}

.first-note__link:hover,
.first-note__link:focus-visible {
  border-bottom-color: var(--home-accent);
}

/* ---------- 服务与联系 ---------- */

.home-support {
  background: var(--deep);
  color: var(--text);
  padding: clamp(52px, 8vw, 104px) 0;
}

.home-support__inner {
  display: grid;
  gap: 34px;
}

.home-support .eyebrow {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
}

.page-home .home-support h2 {
  color: var(--paper);
}

.home-support__lead {
  max-width: 58ch;
  color: var(--text);
  font-size: 15px;
}

.support-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 26px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--home-soft-line);
}

.support-stats li {
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--mist);
}

.support-stats b {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: .01em;
}

.support-card {
  padding: 24px 22px 22px;
  background: rgba(11, 27, 43, .62);
  border: 1px solid var(--home-soft-line);
  border-radius: var(--r-md);
}

.support-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(174, 187, 199, .15);
}

.support-line:last-of-type {
  border-bottom: 0;
}

.support-line__key {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

.support-line__val {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.support-line__val a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(35, 211, 199, .38);
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.support-line__val a:hover,
.support-line__val a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.support-card__note {
  margin: 16px 0 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.support-card__btn {
  width: 100%;
  justify-content: center;
  text-align: center;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .library-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .paths-compare {
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .hero-home__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }

  .hero-home__panel {
    padding-top: 28px;
  }

  .hero-home__figure {
    position: absolute;
    top: -28px;
    right: -44px;
    width: 84%;
    margin: 0;
    opacity: .5;
    z-index: 0;
  }

  .chapter-link__desc {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    overflow: hidden;
    transition: max-height var(--t) var(--ease), opacity var(--t) var(--ease), margin-top var(--t) var(--ease);
  }

  .chapter-link:hover .chapter-link__desc,
  .chapter-link:focus-visible .chapter-link__desc {
    max-height: 64px;
    opacity: 1;
    margin-top: 4px;
  }

  .home-index__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 56px;
    align-items: start;
  }

  .home-library__head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: center;
  }

  .paths-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .home-first__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: start;
  }

  .home-support__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 56px;
    align-items: start;
  }

  .support-card__btn {
    width: auto;
  }
}

@media (min-width: 1000px) {
  .library-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .library-grid > .archive:nth-child(3n + 2) {
    margin-top: 22px;
  }

  .archive {
    padding: 24px 22px 22px;
  }
}
<<<END>>>