.page-home {
  --home-hair: 1px solid var(--line);
  --home-hair-ink: 1px solid var(--ink-900);
  --home-hair-brass: 1px solid rgba(227, 195, 154, 0.34);
  --home-paper-soft: rgba(245, 239, 228, 0.8);
  background: var(--paper-100);
  color: var(--ink-black);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-home .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-home h1,
.page-home h2,
.page-home p,
.page-home dl,
.page-home dd,
.page-home ol,
.page-home ul {
  margin: 0;
}

.page-home a {
  color: inherit;
}

/* ---------- 首屏 ---------- */
.home-opening {
  position: relative;
  padding-block: clamp(26px, 6vw, 56px) clamp(30px, 6vw, 60px);
  border-bottom: 3px solid var(--ink-900);
  background-image: repeating-linear-gradient(
    to right,
    rgba(201, 191, 174, 0.42) 0 1px,
    transparent 1px 24px
  );
}

.home-opening__inner {
  display: grid;
  gap: clamp(24px, 5vw, 44px);
  align-items: start;
}

.home-kicker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass-500);
}

.home-title {
  margin-top: 14px !important;
  font-size: clamp(38px, 8.5vw, 84px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.home-intro {
  max-width: 34em;
  margin-top: 18px !important;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ink-black);
}

.home-assure {
  margin-top: 16px !important;
  padding-left: 14px;
  border-left: 3px solid var(--brass-500);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-700);
}

.home-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 22px !important;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--ink-700);
}

.home-facts .num {
  margin-right: 4px;
  font-size: 20px;
  color: var(--brass-500);
}

.home-plate {
  border: var(--home-hair-ink);
  background: var(--paper-300);
}

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

.home-plate figcaption {
  padding: 9px 12px;
  border-top: var(--home-hair-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-700);
}

/* ---------- 编号目录 ---------- */
.home-contents {
  margin-top: clamp(30px, 5vw, 54px);
  border-top: 3px solid var(--ink-900);
}

.home-contents__list {
  display: grid;
  grid-template-columns: 1fr;
  padding: 0;
  list-style: none;
}

.home-contents__item {
  border-bottom: var(--home-hair);
}

.home-contents__link {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 2px 12px;
  padding: 14px 8px 14px 0;
  text-decoration: none;
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.home-contents__num {
  grid-row: span 2;
  font-size: 19px;
  line-height: 1.25;
  color: var(--brass-500);
}

.home-contents__label {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
}

.home-contents__hint {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-700);
}

.home-contents__link:hover,
.home-contents__link:focus-visible {
  background: var(--paper-300);
  padding-left: 10px;
}

.home-contents__link:hover .home-contents__num,
.home-contents__link:focus-visible .home-contents__num {
  color: var(--signal);
}

/* ---------- 章节外壳 ---------- */
.home-chapter {
  padding-block: clamp(44px, 7vw, 92px);
}

.home-chapter--tint {
  background: var(--paper-300);
}

.home-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 16px;
  align-items: baseline;
  padding-top: 18px;
  margin-bottom: clamp(22px, 4vw, 42px);
  border-top: 3px solid var(--ink-900);
}

.home-head__num {
  font-size: clamp(30px, 5.6vw, 60px);
  line-height: 1;
  color: var(--brass-500);
}

.home-head__title {
  font-size: clamp(23px, 4.4vw, 42px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.home-head__lede {
  grid-column: 2;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-700);
}

.home-foot {
  margin-top: 22px !important;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-700);
}

.home-foot a {
  text-decoration: none;
  color: var(--ink-900);
  border-bottom: 1px solid var(--brass-500);
}

.home-foot a:hover {
  color: var(--brass-500);
}

/* ---------- 01 花费与工期 ---------- */
.home-cost {
  display: grid;
  gap: 18px;
}

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

.home-cost__panel--money {
  background: var(--ink-900);
  color: var(--paper-100);
}

.home-cost__panel--time {
  background: var(--paper-100);
  border: var(--home-hair-ink);
  border-top: 6px solid var(--brass-500);
}

.home-cost__kicker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass-200);
}

.home-cost__kicker--ink {
  color: var(--ink-700);
}

.home-cost__figure {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 10px;
  margin-top: 12px !important;
  font-family: var(--font-mono);
  font-size: clamp(46px, 9vw, 76px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--brass-200);
}

.home-cost__figure--time {
  color: var(--ink-900);
}

.home-cost__unit {
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--paper-300);
}

.home-cost__figure--time .home-cost__unit {
  color: var(--ink-700);
}

.home-cost__rows {
  margin-top: 18px !important;
}

.home-cost__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 4px 14px;
  padding-block: 11px;
  border-bottom: 1px solid rgba(245, 239, 228, 0.22);
  font-size: 14.5px;
}

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

.home-cost__row dt {
  opacity: 0.82;
}

.home-cost__row dd {
  font-family: var(--font-mono);
  white-space: nowrap;
}

.home-cost__strip {
  display: grid;
  gap: 1px;
  margin-top: 18px !important;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: var(--home-hair);
}

.home-cost__strip-item {
  padding: 14px 16px;
  background: var(--paper-100);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink-700);
}

.home-cost__strip-item strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink-900);
}

/* ---------- 02 设备范围 ---------- */
.home-scope {
  display: grid;
  gap: clamp(22px, 4vw, 38px);
  align-items: start;
}

.home-scope__plate {
  border: var(--home-hair-ink);
  background: var(--paper-100);
}

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

.home-devices {
  padding: 0;
  list-style: none;
}

.home-devices__item {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: var(--home-hair);
}

.home-devices__item::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 7px;
  background: var(--brass-500);
}

.home-devices__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
}

.home-devices__desc {
  margin-top: 4px !important;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-700);
}

.home-modes {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.home-mode {
  padding: 14px 16px;
  background: var(--paper-100);
  border-top: 4px solid var(--ink-900);
}

.home-mode--brass {
  border-top-color: var(--brass-500);
}

.home-mode--signal {
  border-top-color: var(--signal);
}

.home-mode__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-900);
}

.home-mode__note {
  margin-top: 6px !important;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink-700);
}

.home-continue {
  margin-top: 20px !important;
  padding: 14px 16px;
  border-left: 4px solid var(--celadon);
  background: var(--paper-100);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-black);
}

/* ---------- 03 流程色带 ---------- */
.home-band {
  background: var(--ink-900);
  color: var(--paper-100);
}

.home-band__plate {
  margin-bottom: clamp(24px, 4vw, 42px);
  border: var(--home-hair-brass);
}

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

.home-head--band {
  border-top-color: var(--brass-500);
}

.home-head--band .home-head__title {
  color: var(--paper-100);
}

.home-head--band .home-head__lede {
  color: rgba(245, 239, 228, 0.76);
}

.home-flow {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.home-steps {
  position: relative;
  padding: 0;
  list-style: none;
}

.home-steps::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: rgba(184, 122, 61, 0.55);
}

.home-step {
  position: relative;
  padding: 0 0 22px 36px;
}

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

.home-step::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 5px;
  width: 16px;
  height: 16px;
  background: var(--brass-500);
}

.home-step:last-child::before {
  background: var(--celadon);
}

.home-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--brass-200);
}

.home-step__name {
  margin-top: 4px !important;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper-100);
}

.home-step__desc {
  margin-top: 5px !important;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 239, 228, 0.78);
}

.home-proof {
  padding: clamp(18px, 3vw, 26px);
  border: var(--home-hair-brass);
  background: rgba(22, 57, 79, 0.45);
}

.home-proof__item {
  padding-block: 14px;
  border-bottom: 1px solid rgba(227, 195, 154, 0.22);
}

.home-proof__item:first-child {
  padding-top: 0;
}

.home-proof__item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.home-proof__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 42px);
  line-height: 1;
  color: var(--brass-200);
}

.home-proof__label {
  margin-top: 8px !important;
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(245, 239, 228, 0.8);
}

/* ---------- 04 数据与场景 ---------- */
.home-record {
  display: grid;
  gap: clamp(22px, 4vw, 38px);
  align-items: start;
}

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

.home-stat {
  padding: 16px 14px;
  background: var(--paper-100);
}

.home-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(25px, 4.4vw, 36px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  transition: color var(--dur) var(--ease);
}

.home-stat:hover .home-stat__num {
  color: var(--brass-500);
}

.home-stat__label {
  margin-top: 8px !important;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ink-700);
}

.home-scenes {
  margin-top: 22px !important;
  padding: 0;
  list-style: none;
}

.home-scenes li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-black);
}

.home-scenes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 1px;
  background: var(--brass-500);
}

.home-record__plate {
  border: var(--home-hair-ink);
}

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

/* ---------- 05 收尾 ---------- */
.home-start {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--paper-100);
}

.home-start::before {
  content: "";
  position: absolute;
  inset: auto -12% -42% -12%;
  height: 76%;
  pointer-events: none;
  background-image: repeating-radial-gradient(
    circle at 50% 100%,
    rgba(184, 122, 61, 0.17) 0 1px,
    transparent 1px 26px
  );
}

.home-start .wrap {
  position: relative;
}

.home-start__inner {
  display: grid;
  gap: clamp(20px, 4vw, 36px);
  align-items: end;
}

.home-start__title {
  font-size: clamp(27px, 5vw, 50px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.home-start__text {
  max-width: 32em;
  margin-top: 14px !important;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(245, 239, 228, 0.82);
}

.home-start__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.home-start__link {
  font-size: 14.5px;
  text-decoration: none;
  color: var(--brass-200);
  border-bottom: 1px solid rgba(227, 195, 154, 0.5);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.home-start__link:hover,
.home-start__link:focus-visible {
  color: var(--paper-100);
  border-bottom-color: var(--paper-100);
}

.home-start__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: clamp(26px, 4vw, 40px) !important;
  padding-top: 18px;
  border-top: var(--home-hair-brass);
  font-size: 14.5px;
  color: rgba(245, 239, 228, 0.85);
}

.home-start__contact .num {
  font-size: 18px;
  color: var(--brass-200);
}

.home-shortcuts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 20px;
}

.home-shortcuts a {
  font-size: 13.5px;
  text-decoration: none;
  color: rgba(245, 239, 228, 0.72);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.home-shortcuts a:hover,
.home-shortcuts a:focus-visible {
  color: var(--brass-200);
  border-bottom-color: var(--brass-200);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .home-modes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .home-contents__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .home-contents__item {
    border-bottom: none;
    border-left: var(--home-hair);
  }

  .home-contents__item:first-child {
    border-left: none;
  }

  .home-contents__link {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    align-content: start;
    min-height: 124px;
    padding: 18px 14px;
  }

  .home-contents__num {
    grid-row: auto;
    font-size: 22px;
  }
}

@media (min-width: 860px) {
  .home-opening__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .home-plate {
    margin-top: 30px;
  }

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

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

  .home-cost__panel--time {
    margin-top: 34px;
    border-left: none;
  }

  .home-cost__panel--money {
    min-height: 100%;
  }

  .home-scope {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .home-scope__plate {
    margin-top: 12px;
  }

  .home-flow {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .home-record {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .home-record__plate {
    margin-top: 18px;
  }

  .home-start__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .home-start__actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition-duration: 0ms !important;
  }
}
<<<END>>>