.page-home {
  --home-line: rgba(185, 199, 211, .14);
  --home-line-strong: rgba(185, 199, 211, .26);
  --home-copper: rgba(185, 134, 75, .40);
  --home-glass: rgba(23, 62, 92, .38);
  background:
    radial-gradient(1200px 620px at 86% -8%, rgba(23, 62, 92, .58), transparent 72%),
    linear-gradient(180deg, #061425 0%, #071a2d 52%, #061425 100%);
  color: var(--mist-100);
  font-family: var(--font-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.page-home h1,
.page-home h2,
.page-home h3 {
  margin: 0;
}

.page-home p {
  margin: 0;
}

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

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

.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .35rem 1.5rem;
  padding-top: clamp(1.1rem, 2.5vw, 1.6rem);
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-context__label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--copper-300);
}

.page-home .home-context__meta {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--steel-300);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: clamp(2rem, 5vw, 3.6rem) 0 clamp(2.4rem, 5vw, 4rem);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--home-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--home-line) 1px, transparent 1px);
  background-size: 92px 92px;
  opacity: .55;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 88%);
}

.page-home .hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: end;
}

.page-home .hero__title {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 5.2vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper-050);
}

.page-home .hero__title em {
  font-style: normal;
  color: var(--copper-300);
  box-shadow: inset 0 -.16em 0 var(--home-copper);
}

.page-home .hero__lead-text {
  margin-top: 1.1rem;
  max-width: 37em;
  font-size: clamp(.95rem, 1.5vw, 1.05rem);
  line-height: 1.85;
  color: var(--steel-300);
}

.page-home .hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .9rem 1.25rem;
  margin-top: 1.75rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--home-line);
}

.page-home .hero__stats li {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding-left: .8rem;
  border-left: 1px solid var(--home-copper);
}

.page-home .hero__stat-k {
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .1em;
  color: var(--steel-300);
}

.page-home .hero__stat-v {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.28rem;
  letter-spacing: -.01em;
  color: var(--mist-100);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.6rem;
}

.page-home .hero__actions .btn,
.page-home .reach__glass .btn {
  font-size: .88rem;
}

.page-home .hero__visual {
  position: relative;
  margin: 0;
}

.page-home .hero__img {
  width: 100%;
  border: 1px solid var(--home-line-strong);
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-home .hero__side-note {
  position: absolute;
  top: .75rem;
  right: .75rem;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .28em;
  color: rgba(227, 185, 128, .78);
}

.page-home .hero__cap {
  margin-top: .6rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  color: var(--steel-300);
}

/* ---------- 章节索引 ---------- */
.page-home .home-jump {
  position: sticky;
  top: 0;
  z-index: 8;
  background: rgba(6, 20, 37, .93);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--home-line);
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-jump__inner {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .45rem 0;
}

.page-home .home-jump__mark {
  flex: none;
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .28em;
  color: var(--copper-500);
}

.page-home .home-jump__list {
  display: flex;
  align-items: center;
  gap: .3rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .home-jump__list::-webkit-scrollbar {
  display: none;
}

.page-home .home-jump__link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem .7rem;
  border-radius: var(--radius-pill);
  font-size: .8rem;
  white-space: nowrap;
  text-decoration: none;
  color: var(--steel-300);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .home-jump__link span {
  font-family: var(--font-mono);
  font-size: .64rem;
  color: var(--copper-500);
}

.page-home .home-jump__link:hover,
.page-home .home-jump__link:focus-visible {
  background: rgba(23, 62, 92, .8);
  color: var(--paper-050);
}

/* ---------- 通用章节标题 ---------- */
.page-home .section-head {
  max-width: 62ch;
  padding: clamp(2.4rem, 5vw, 3.6rem) 0 clamp(1.4rem, 3vw, 2.1rem);
}

.page-home .section-head__title {
  margin-top: .8rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.3vw, 2.2rem);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--paper-050);
}

.page-home .section-head__note {
  margin-top: .9rem;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--steel-300);
}

.page-home .section-head--split {
  display: grid;
  gap: 1rem;
  max-width: none;
}

/* ---------- 一级入口 ---------- */
.page-home .entrance-list {
  display: flex;
  flex-direction: column;
  gap: .8rem;
  padding-bottom: clamp(2.4rem, 5vw, 3.6rem);
}

.page-home .entrance {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: .8rem 1.1rem;
  padding: clamp(1.05rem, 2.4vw, 1.6rem);
  border: 1px solid var(--home-line);
  border-left: 2px solid var(--home-copper);
  border-radius: var(--radius-sm);
  background: linear-gradient(100deg, rgba(23, 62, 92, .62), rgba(11, 34, 57, .1) 78%);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .entrance:hover {
  border-left-color: var(--copper-300);
  background: linear-gradient(100deg, rgba(23, 62, 92, .86), rgba(11, 34, 57, .18) 78%);
}

.page-home .entrance__num {
  padding-top: .12rem;
  font-family: var(--font-mono);
  font-size: .88rem;
  color: var(--copper-300);
}

.page-home .entrance__title {
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-home .entrance__title a {
  color: var(--paper-050);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-home .entrance__title a:hover,
.page-home .entrance__title a:focus-visible {
  color: var(--copper-300);
}

.page-home .entrance__text {
  margin-top: .5rem;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--steel-300);
}

.page-home .entrance__meta {
  margin-top: .6rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .04em;
  color: rgba(227, 185, 128, .92);
}

.page-home .entrance__dot {
  width: 7px;
  height: 7px;
  margin-top: .5rem;
  border-radius: 50%;
  background: var(--orange-500);
  box-shadow: 0 0 0 4px rgba(255, 122, 61, .14);
  animation: home-pulse 3.4s ease-in-out infinite;
}

.page-home .entrance__dot--teal {
  background: var(--teal-400);
  box-shadow: 0 0 0 4px rgba(79, 179, 165, .16);
}

.page-home .entrance__dot--orange {
  background: var(--orange-500);
  box-shadow: 0 0 0 4px rgba(255, 122, 61, .2);
}

@keyframes home-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .42; }
}

/* ---------- 三步收藏 ---------- */
.page-home .collect {
  padding: clamp(2.4rem, 5vw, 3.6rem) 0;
  border-top: 1px solid var(--home-line);
}

.page-home .collect__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
}

.page-home .collect__text {
  margin-top: 1rem;
  max-width: 36em;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--steel-300);
}

.page-home .collect__figure {
  margin: 1.5rem 0 0;
}

.page-home .collect__figure img {
  width: 100%;
  border: 1px solid var(--home-line-strong);
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-home .collect__figure figcaption {
  margin-top: .55rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .05em;
  color: var(--steel-300);
}

.page-home .steps {
  display: flex;
  flex-direction: column;
  gap: .95rem;
}

.page-home .step {
  position: relative;
  padding: 1.15rem 1.15rem 1.15rem 3.4rem;
  border: 1px solid var(--home-line);
  border-radius: var(--radius-md);
  background: rgba(11, 34, 57, .58);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .step:hover {
  border-color: var(--home-copper);
  background: rgba(23, 62, 92, .58);
}

.page-home .step::after {
  content: "";
  position: absolute;
  left: 1.62rem;
  top: 100%;
  width: 1px;
  height: .95rem;
  background: var(--home-copper);
}

.page-home .step:last-child::after {
  content: none;
}

.page-home .step__num {
  position: absolute;
  left: 1.05rem;
  top: 1.12rem;
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--copper-300);
}

.page-home .step__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper-050);
}

.page-home .step__text {
  margin-top: .45rem;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--steel-300);
}

.page-home .step__tag {
  display: inline-block;
  margin-top: .7rem;
  padding: .18rem .55rem;
  border: 1px solid rgba(227, 185, 128, .3);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .04em;
  color: var(--copper-300);
}

/* ---------- 资料库 ---------- */
.page-home .library {
  padding: clamp(2.4rem, 5vw, 3.6rem) 0;
  border-top: 1px solid var(--home-line);
}

.page-home .library__grid {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-home .partition-list {
  display: grid;
  gap: .3rem;
}

.page-home .partition {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .7rem;
  padding: .72rem .8rem;
  border-bottom: 1px solid var(--home-line);
}

.page-home .partition__num {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--copper-500);
}

.page-home .partition__name {
  font-size: .93rem;
  color: var(--mist-100);
}

.page-home .partition__tag {
  padding: .14rem .5rem;
  border: 1px solid var(--home-line-strong);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: .62rem;
  color: var(--steel-300);
  white-space: nowrap;
}

.page-home .partition--key {
  border-left: 2px solid var(--orange-500);
  background: rgba(23, 62, 92, .48);
}

.page-home .ladder {
  display: grid;
  gap: 1rem;
}

.page-home .ladder__col {
  display: grid;
  gap: 1rem;
  align-content: start;
}

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

.page-home .ladder__figure img {
  width: 100%;
  border: 1px solid var(--home-line-strong);
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-home .ladder__figure figcaption {
  margin-top: .5rem;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .04em;
  color: var(--steel-300);
}

.page-home .ladder__card {
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--home-line);
  border-radius: var(--radius-md);
  background: rgba(11, 34, 57, .48);
}

.page-home .ladder__card h3 {
  font-size: .99rem;
  font-weight: 700;
  color: var(--paper-050);
}

.page-home .ladder__card p {
  margin-top: .5rem;
  font-size: .89rem;
  line-height: 1.78;
  color: var(--steel-300);
}

.page-home .ladder__card--key {
  border-color: rgba(185, 134, 75, .45);
  background: linear-gradient(160deg, rgba(23, 62, 92, .82), rgba(11, 34, 57, .55));
  box-shadow: var(--shadow-panel);
}

.page-home .ladder__order {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: .85rem;
  font-family: var(--font-mono);
  font-size: .64rem;
  color: var(--copper-300);
}

.page-home .ladder__order span {
  padding: .16rem .55rem;
  border: 1px solid rgba(185, 134, 75, .38);
  border-radius: var(--radius-pill);
}

/* ---------- 更新记录 ---------- */
.page-home .updates {
  padding: clamp(2.4rem, 5vw, 3.6rem) 0 0;
  border-top: 1px solid var(--home-line);
}

.page-home .update-list {
  display: grid;
  padding-bottom: 1.6rem;
}

.page-home .update {
  display: grid;
  gap: .35rem;
  padding: 1rem .2rem;
  border-top: 1px solid var(--home-line);
}

.page-home .update:last-child {
  border-bottom: 1px solid var(--home-line);
}

.page-home .update__no {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--copper-300);
}

.page-home .update__when {
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--steel-300);
}

.page-home .update__kind {
  justify-self: start;
  padding: .16rem .55rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .06em;
}

.page-home .update__kind--teal {
  color: var(--teal-400);
  border: 1px solid rgba(79, 179, 165, .34);
  background: rgba(79, 179, 165, .12);
}

.page-home .update__kind--copper {
  color: var(--copper-300);
  border: 1px solid rgba(185, 134, 75, .4);
  background: rgba(185, 134, 75, .14);
}

.page-home .update__kind--steel {
  color: var(--steel-300);
  border: 1px solid var(--home-line-strong);
  background: rgba(185, 199, 211, .08);
}

.page-home .update__kind--orange {
  color: var(--orange-500);
  border: 1px solid rgba(255, 122, 61, .36);
  background: rgba(255, 122, 61, .12);
}

.page-home .update__text {
  font-size: .91rem;
  line-height: 1.72;
  color: var(--mist-100);
}

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

.page-home .updates__figure img {
  width: 100%;
  border-top: 1px solid var(--home-line-strong);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  object-fit: cover;
}

/* ---------- 联系 ---------- */
.page-home .reach {
  padding: clamp(2.4rem, 5vw, 3.6rem) 0 clamp(2.8rem, 6vw, 4.6rem);
}

.page-home .reach__grid {
  display: grid;
  gap: 1.15rem;
}

.page-home .reach__glass {
  padding: clamp(1.35rem, 3vw, 2.1rem);
  border: 1px solid var(--home-line-strong);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, rgba(23, 62, 92, .64), rgba(6, 20, 37, .34));
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-home .reach__text {
  margin-top: 1rem;
  max-width: 34em;
  font-size: .93rem;
  line-height: 1.82;
  color: var(--steel-300);
}

.page-home .reach__steps {
  display: grid;
  gap: .2rem;
  margin-top: 1.2rem;
}

.page-home .reach__steps li {
  display: grid;
  grid-template-columns: 4.4rem minmax(0, 1fr);
  gap: .6rem;
  align-items: baseline;
  padding: .6rem 0;
  border-bottom: 1px dashed var(--home-line);
  font-size: .89rem;
  color: var(--mist-100);
}

.page-home .reach__steps span {
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .06em;
  color: var(--copper-300);
}

.page-home .reach__glass .btn {
  margin-top: 1.35rem;
}

.page-home .reach__card {
  padding: clamp(1.25rem, 2.6vw, 1.9rem);
  border-radius: var(--radius-md);
  background: var(--paper-050);
  color: var(--ink-950);
  box-shadow: var(--shadow-panel);
}

.page-home .reach__card-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--ink-950);
}

.page-home .reach__contacts {
  display: grid;
  gap: .75rem;
  margin: 1.1rem 0 0;
}

.page-home .reach__contacts div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .35rem 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid rgba(6, 20, 37, .12);
}

.page-home .reach__contacts dt {
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .06em;
  color: rgba(6, 20, 37, .55);
}

.page-home .reach__contacts dd {
  margin: 0;
  font-size: .92rem;
  font-weight: 600;
  color: var(--ink-900);
  word-break: break-all;
}

.page-home .reach__card-note {
  margin-top: .9rem;
  font-size: .84rem;
  line-height: 1.72;
  color: rgba(6, 20, 37, .62);
}

.page-home .reach__alt {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.15rem;
}

.page-home .reach__alt a {
  display: inline-block;
  padding: .34rem .7rem;
  border: 1px solid rgba(6, 20, 37, .18);
  border-radius: var(--radius-pill);
  font-size: .78rem;
  text-decoration: none;
  color: var(--ink-700);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .reach__alt a:hover,
.page-home .reach__alt a:focus-visible {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper-050);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-home .entrance--wide {
    width: 100%;
  }

  .page-home .entrance--mid {
    width: 86%;
    margin-left: auto;
  }

  .page-home .entrance--narrow {
    width: 72%;
    margin-left: auto;
  }

  .page-home .reach__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-home .collect__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-home .library__grid {
    grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
    align-items: start;
  }

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

  .page-home .ladder__col--b {
    transform: translateY(1.75rem);
  }
}

@media (min-width: 860px) {
  .page-home .section-head--split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: end;
  }

  .page-home .section-head--split .section-head__note {
    margin-top: 0;
    padding-bottom: .15rem;
  }

  .page-home .update {
    grid-template-columns: 5.4rem 4.4rem 8rem minmax(0, 1fr);
    align-items: center;
    gap: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    animation: none !important;
    transition: none !important;
  }
}
<<<END>>>