.page-home {
  --home-step: 14px;
  --home-num: "tnum";
  background: var(--deep);
  color: var(--text);
  font-family: var(--sans);
  overflow-x: clip;
}

.page-home h2 {
  margin: 0 0 .8rem;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -.012em;
  font-weight: 800;
  color: var(--cream);
}

.page-home h3 {
  margin: 0 0 .45rem;
  font-size: 1.02rem;
  line-height: 1.45;
  font-weight: 700;
  color: var(--text-strong);
}

.page-home p {
  line-height: 1.75;
}

/* ---------------- 首屏 ---------------- */
.home-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: 4.5rem;
  background:
    radial-gradient(120% 90% at 92% 0%, rgba(110, 106, 138, .38) 0%, rgba(7, 26, 47, 0) 62%),
    var(--deep);
}

.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(147deg,
    rgba(14, 42, 71, .96) 0%,
    rgba(14, 42, 71, .58) 42%,
    rgba(110, 106, 138, .30) 42.2%,
    rgba(7, 26, 47, 0) 76%);
  pointer-events: none;
  z-index: 0;
}

.home-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 48%;
  height: 100%;
  background: linear-gradient(180deg, rgba(255, 138, 61, .13), rgba(255, 138, 61, 0) 68%);
  clip-path: polygon(40% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.home-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(138, 147, 160, .13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 147, 160, .13) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), rgba(0, 0, 0, 0) 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), rgba(0, 0, 0, 0) 88%);
  pointer-events: none;
  z-index: 0;
}

.home-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
  padding-block: 2.5rem 2rem;
}

.home-hero__copy h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.95rem, 6vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--cream);
}

.home-hero__lead {
  margin: 0 0 1.75rem;
  max-width: 30ch;
  font-size: 1rem;
  color: var(--text-strong);
}

.home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.home-hero__panel {
  position: relative;
  padding: .7rem;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 30px 70px -40px rgba(0, 0, 0, .95);
}

.home-hero__panel::after {
  content: "";
  position: absolute;
  right: -14px;
  bottom: -14px;
  width: 55%;
  height: 55%;
  border-right: 1px solid rgba(255, 138, 61, .6);
  border-bottom: 1px solid rgba(255, 138, 61, .6);
  pointer-events: none;
}

.home-hero__figure {
  margin: 0;
}

.home-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.home-hero__figure figcaption {
  margin-top: .65rem;
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--stone);
}

.home-hero__steps {
  position: relative;
  z-index: 1;
  padding-bottom: 1rem;
}

.home-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .45rem;
}

.home-steps__item a {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: .55rem;
  padding: .7rem .85rem .85rem;
  border: 1px solid var(--line);
  border-left: 2px solid transparent;
  background: rgba(14, 42, 71, .62);
  color: var(--text-strong);
  font-size: .95rem;
  letter-spacing: .02em;
  text-decoration: none;
  transition: border-color .22s var(--ease), color .22s var(--ease), transform .22s var(--ease);
}

.home-steps__item a::after {
  content: "";
  position: absolute;
  left: .85rem;
  right: .85rem;
  bottom: .45rem;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .24s var(--ease);
}

.home-steps__item a:hover,
.home-steps__item a:focus-visible {
  border-color: var(--cyan-soft);
  border-left-color: var(--cyan);
  color: var(--cream);
}

.home-steps__item a:hover::after,
.home-steps__item a:focus-visible::after {
  transform: scaleX(1);
}

.home-steps__num {
  font-variant-numeric: tabular-nums;
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--stone);
}

.home-steps__badge {
  margin-left: auto;
  padding: .1rem .45rem;
  border: 1px solid rgba(255, 138, 61, .75);
  border-radius: 999px;
  font-size: .68rem;
  letter-spacing: .1em;
  color: var(--orange);
  white-space: nowrap;
}

.home-steps__item--accent a {
  border-color: rgba(255, 138, 61, .55);
  border-left-color: var(--orange);
  background: linear-gradient(90deg, rgba(255, 138, 61, .26), rgba(255, 138, 61, .05));
  color: var(--cream);
}

.home-steps__item--accent .home-steps__num {
  color: var(--orange);
}

/* ---------------- 栏目索引 ---------------- */
.home-index {
  position: relative;
  padding-block: clamp(3rem, 7vw, 5rem);
  background: var(--deep-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.home-index__head {
  max-width: 46ch;
  margin-bottom: 2rem;
}

.home-index__lead {
  margin: 0;
  color: var(--text);
}

.home-index__body {
  display: grid;
  gap: 2rem;
}

.home-index__rows {
  border-top: 1px solid var(--line-strong);
}

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

.home-index__row[open] {
  background: rgba(7, 26, 47, .55);
}

.home-index__row summary {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr) 1.6rem;
  grid-template-areas:
    "num name chev"
    "num hint chev";
  align-items: center;
  gap: .2rem .8rem;
  padding: 1rem .35rem;
  cursor: pointer;
  list-style: none;
  transition: background-color .2s var(--ease);
}

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

.home-index__row summary:hover {
  background: rgba(53, 240, 208, .06);
}

.home-index__num {
  grid-area: num;
  font-variant-numeric: tabular-nums;
  font-size: .8rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.home-index__name {
  grid-area: name;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--cream);
}

.home-index__hint {
  grid-area: hint;
  font-size: .82rem;
  color: var(--stone);
}

.home-index__chev {
  grid-area: chev;
  position: relative;
  justify-self: end;
  width: 1.5rem;
  height: 1.5rem;
}

.home-index__chev::before,
.home-index__chev::after {
  content: "";
  position: absolute;
  left: 22%;
  right: 22%;
  top: 50%;
  height: 1px;
  background: var(--cyan);
  transition: transform .22s var(--ease);
}

.home-index__chev::after {
  transform: rotate(90deg);
}

.home-index__row[open] .home-index__chev::after {
  transform: rotate(0deg);
}

.home-index__detail {
  display: grid;
  gap: .85rem;
  padding: 0 .35rem 1.4rem;
}

.home-index__detail p {
  margin: 0;
  max-width: 62ch;
  font-size: .93rem;
  color: var(--text);
}

.home-index__link {
  justify-self: start;
  font-size: .85rem;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, .45);
  padding-bottom: .15rem;
}

.home-index__link:hover,
.home-index__link:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

.home-index__figure {
  margin: 0;
  padding: .7rem;
  border: 1px solid var(--line);
  background: rgba(7, 26, 47, .7);
}

.home-index__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.home-index__figure figcaption {
  margin-top: .65rem;
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--stone);
}

/* ---------------- 收藏对照 ---------------- */
.home-oldlinks {
  position: relative;
  padding-block: clamp(3rem, 7vw, 5rem);
  background:
    linear-gradient(180deg, rgba(110, 106, 138, .14), rgba(7, 26, 47, 0) 38%),
    var(--deep);
}

.home-oldlinks__head {
  max-width: 50ch;
}

.home-oldlinks__lead {
  margin: 0;
  color: var(--text);
}

.home-oldlinks__figure {
  margin: 2rem 0 0;
  border: 1px solid var(--line);
  background: var(--deep-2);
  overflow: hidden;
}

.home-oldlinks__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.home-oldlinks__cards {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.home-oldlinks__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 1.4rem 1.15rem 1.35rem;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(14, 42, 71, .88), rgba(7, 26, 47, .62));
  overflow: hidden;
  transition: border-color .22s var(--ease), transform .22s var(--ease);
}

.home-oldlinks__card::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .3s var(--ease);
}

.home-oldlinks__card:hover,
.home-oldlinks__card:focus-within {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.home-oldlinks__card:hover::before,
.home-oldlinks__card:focus-within::before {
  transform: scaleX(1);
}

.home-oldlinks__card p {
  margin: 0;
  font-size: .9rem;
  color: var(--text);
}

.home-oldlinks__card .tag {
  align-self: flex-start;
}

.home-oldlinks__route {
  font-size: .82rem !important;
  letter-spacing: .05em;
  color: var(--stone) !important;
}

.home-oldlinks__go {
  margin-top: auto;
  font-size: .85rem;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, .4);
  padding-bottom: .15rem;
  align-self: flex-start;
}

.home-oldlinks__go:hover,
.home-oldlinks__go:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------------- 四步排查 ---------------- */
.home-fix {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3rem, 7vw, 5rem);
  background: linear-gradient(160deg, var(--deep-2) 0%, #12203a 55%, rgba(110, 106, 138, .55) 100%);
}

.home-fix__img {
  position: absolute;
  right: -8%;
  bottom: -6%;
  width: 78%;
  max-width: 720px;
  height: auto;
  opacity: .17;
  object-fit: cover;
  pointer-events: none;
}

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

.home-fix__head {
  max-width: 52ch;
  margin-bottom: 2rem;
}

.home-fix__lead {
  margin: 0;
  color: var(--text);
}

.home-fix__steps {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  gap: .85rem;
  counter-reset: fixstep;
}

.home-fix__steps li {
  position: relative;
  padding: 1.25rem 1rem 1.15rem;
  border: 1px solid var(--line-strong);
  background: rgba(7, 26, 47, .74);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.home-fix__steps li::before {
  counter-increment: fixstep;
  content: "0" counter(fixstep);
  display: block;
  margin-bottom: .55rem;
  font-variant-numeric: tabular-nums;
  font-size: .76rem;
  letter-spacing: .18em;
  color: var(--cyan);
}

.home-fix__steps p {
  margin: 0;
  font-size: .88rem;
  color: var(--text);
}

.home-fix__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

/* ---------------- 最近改动 ---------------- */
.home-journal {
  padding-block: clamp(3rem, 7vw, 5rem);
  background: var(--deep);
}

.home-journal__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.home-journal__head h2 {
  margin-bottom: 0;
}

.home-journal__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.home-journal__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "tag when"
    "text text";
  align-items: center;
  gap: .55rem .8rem;
  padding: 1.1rem .25rem;
  border-bottom: 1px solid var(--line);
}

.home-journal__item .tag {
  grid-area: tag;
  justify-self: start;
}

.home-journal__text {
  grid-area: text;
  margin: 0;
  font-size: .92rem;
  color: var(--text-strong);
}

.home-journal__when {
  grid-area: when;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--stone);
  white-space: nowrap;
}

/* ---------------- 联系 ---------------- */
.home-contact {
  padding-block: clamp(3rem, 7vw, 5rem);
  background: var(--deep-2);
  border-top: 1px solid var(--line);
}

.home-contact__inner {
  display: grid;
  gap: 2rem;
}

.home-contact__copy p {
  margin: 0 0 1.5rem;
  max-width: 52ch;
  color: var(--text);
}

.home-contact__card {
  position: relative;
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--line-strong);
  background: rgba(7, 26, 47, .78);
}

.home-contact__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 2px;
  background: var(--orange);
}

.home-contact__row {
  display: grid;
  gap: .2rem;
}

.home-contact__row dt {
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--stone);
}

.home-contact__row dd {
  margin: 0;
  font-size: .98rem;
  color: var(--cream);
  word-break: break-word;
}

/* ---------------- 响应式 ---------------- */
@media (min-width: 720px) {
  .home-fix__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .home-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 3rem;
    padding-block: 3.5rem 3rem;
  }

  .home-steps {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: .4rem;
    padding-bottom: 2rem;
  }

  .home-steps__item {
    transform: translateY(var(--item-offset, 0px));
  }

  .home-steps__item:nth-child(1) { --item-offset: 0px; }
  .home-steps__item:nth-child(2) { --item-offset: 10px; }
  .home-steps__item:nth-child(3) { --item-offset: -10px; }
  .home-steps__item:nth-child(4) { --item-offset: 22px; }
  .home-steps__item:nth-child(5) { --item-offset: 34px; }
  .home-steps__item:nth-child(6) { --item-offset: 46px; }

  .home-steps__item a {
    flex-wrap: wrap;
    align-items: flex-start;
    min-height: 5.2rem;
  }

  .home-steps__badge {
    margin-left: 0;
  }

  .home-index__head {
    max-width: 52ch;
  }

  .home-index__lead {
    font-size: 1rem;
  }

  .home-index__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 2.5rem;
    align-items: start;
  }

  .home-index__figure {
    position: sticky;
    top: 7rem;
  }

  .home-index__row summary {
    grid-template-columns: 3rem 11rem minmax(0, 1fr) 1.6rem;
    grid-template-areas: "num name hint chev";
    align-items: baseline;
    padding: 1.15rem .5rem;
  }

  .home-index__detail {
    padding-left: 3.5rem;
  }

  .home-oldlinks__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .home-oldlinks__figure {
    max-width: 76%;
  }

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

  .home-journal__item {
    grid-template-columns: 9rem minmax(0, 1fr) auto;
    grid-template-areas: "tag text when";
    align-items: baseline;
    gap: 1rem;
    padding: 1.15rem .5rem;
  }

  .home-contact__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 3rem;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .home-hero__inner {
    gap: 4rem;
  }

  .home-oldlinks__figure {
    max-width: 62%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home * ,
  .page-home *::before,
  .page-home *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }

  .home-steps__item,
  .home-oldlinks__card {
    transform: none !important;
  }
}
<<<END>>>