.page-home {
  --home-block: clamp(52px, 9vw, 104px);
  --home-radius: 20px;
}

.page-home .section {
  padding-block: var(--home-block);
}

.page-home .lede {
  max-width: 62ch;
}

/* ---------- 首屏拼贴 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--paper);
  background-image:
    radial-gradient(rgba(24, 20, 20, 0.09) 1px, transparent 1px);
  background-size: 11px 11px;
  padding-block: clamp(20px, 4vw, 40px) 0;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  top: -12%;
  right: -22%;
  width: 78%;
  height: 118%;
  background: radial-gradient(62% 62% at 50% 40%, rgba(110, 27, 27, 0.2), rgba(110, 27, 27, 0) 72%);
  border-radius: 46% 54% 38% 62% / 58% 42% 58% 42%;
  pointer-events: none;
}

.page-home .home-hero__stamp {
  position: absolute;
  top: clamp(10px, 2.4vw, 28px);
  right: clamp(10px, 3vw, 44px);
  z-index: 2;
  width: clamp(56px, 8vw, 96px);
  height: clamp(56px, 8vw, 96px);
  display: grid;
  place-items: center;
  border: 2px solid rgba(110, 27, 27, 0.42);
  border-radius: 6px;
  transform: rotate(-8deg);
  color: var(--cinnabar);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15px, 2.2vw, 22px);
  letter-spacing: 0.12em;
  writing-mode: vertical-rl;
  opacity: 0.72;
  pointer-events: none;
}

.page-home .home-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  padding-block: clamp(24px, 4vw, 48px) clamp(36px, 6vw, 72px);
}

.page-home .home-hero__crumb {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--warm);
}

.page-home .home-hero__meta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  padding: 7px 14px;
  border: 1px solid rgba(184, 137, 47, 0.55);
  border-radius: 999px;
  background: var(--paper-lit);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-home .home-hero__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--celadon);
  box-shadow: 0 0 0 0 rgba(79, 125, 110, 0.45);
  animation: homePulse 3.2s ease-in-out infinite;
}

@keyframes homePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(79, 125, 110, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(79, 125, 110, 0); }
}

.page-home .home-hero__title {
  margin: 0.34em 0 0.3em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 11vw, 5.3rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .home-hero__line {
  display: block;
}

.page-home .home-hero__line--accent {
  width: max-content;
  color: var(--cinnabar);
  background-image: linear-gradient(to top, rgba(184, 137, 47, 0.32) 0, rgba(184, 137, 47, 0.32) 0.16em, transparent 0.16em);
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 0.16em;
}

.page-home .home-hero__lede {
  max-width: 54ch;
  margin: 0 0 clamp(22px, 3vw, 32px);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .home-hero__figure {
  margin: 0;
  border-radius: var(--home-radius);
}

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

.page-home .home-hero__rail {
  list-style: none;
  margin: 18px 0 0;
  padding: 0 0 0 16px;
  border-left: 2px solid var(--gold);
  display: grid;
  gap: 12px;
}

.page-home .home-hero__rail-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  font-size: 13px;
  color: var(--warm);
}

.page-home .home-hero__rail-item .mono {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-home .home-hero__rail-item strong {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-home .home-hero__statusbar {
  position: relative;
  z-index: 1;
  background: var(--cinnabar-deep);
  color: var(--gold-pale);
}

.page-home .home-hero__statusbar-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 32px;
  padding-block: 13px;
  font-size: 11.5px;
  letter-spacing: 0.07em;
  color: rgba(228, 207, 160, 0.86);
}

/* ---------- 维护节拍 ---------- */
.page-home .cadence {
  background: var(--paper);
}

.page-home .cadence__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-home .cadence__body .lede {
  margin: 0 0 clamp(26px, 4vw, 40px);
}

.page-home .cadence__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 28px;
  position: relative;
}

.page-home .cadence__list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold), rgba(184, 137, 47, 0.12));
}

.page-home .cadence__item {
  position: relative;
  padding-bottom: clamp(22px, 3vw, 34px);
}

.page-home .cadence__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper-lit);
  border: 2px solid var(--cinnabar);
  box-sizing: border-box;
}

.page-home .cadence__item--now::before {
  background: var(--celadon);
  border-color: var(--celadon);
  box-shadow: 0 0 0 4px rgba(79, 125, 110, 0.16);
}

.page-home .cadence__time {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-home .cadence__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-home .cadence__desc {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .cadence__more {
  margin: 6px 0 0;
}

.page-home .cadence__link {
  display: inline-block;
  font-size: 14px;
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid rgba(110, 27, 27, 0.4);
  padding-bottom: 2px;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-home .cadence__link:hover,
.page-home .cadence__link:focus-visible {
  border-bottom-color: var(--cinnabar);
  color: var(--cinnabar-deep);
}

.page-home .cadence__figure {
  margin: 0;
  border-radius: var(--home-radius);
}

/* ---------- 三步排查 ---------- */
.page-home .steps {
  background: var(--paper-lit);
  border-top: 1px solid var(--ash);
  border-bottom: 1px solid var(--ash);
}

.page-home .steps__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-home .steps__col .lede {
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-home .steps__figure {
  margin: 0;
  border-radius: var(--home-radius);
}

.page-home .step {
  border-top: 1px solid var(--ash);
}

.page-home .step:last-of-type {
  border-bottom: 1px solid var(--ash);
}

.page-home .step summary {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding-block: clamp(16px, 2.2vw, 22px);
  cursor: pointer;
  list-style: none;
}

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

.page-home .step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--gold);
  transition: transform 0.2s var(--ease);
}

.page-home .step[open] summary::after {
  content: "−";
  transform: rotate(180deg);
}

.page-home .step summary:focus-visible {
  outline: 2px solid var(--celadon);
  outline-offset: 4px;
}

.page-home .step__num {
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cinnabar);
}

.page-home .step__name {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  color: var(--ink);
}

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

.page-home .step__body {
  padding: 0 0 clamp(18px, 2.4vw, 26px);
}

.page-home .step__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 资料与案例 ---------- */
.page-home .gateways {
  background: var(--paper);
}

.page-home .gateways__lede {
  margin: 0 0 clamp(26px, 4vw, 40px);
}

.page-home .gateways__grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-home .gateway {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--ash);
  border-radius: var(--home-radius);
  background: var(--paper-lit);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .gateway:hover,
.page-home .gateway:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(184, 137, 47, 0.75);
  box-shadow: 0 14px 30px -22px rgba(24, 20, 20, 0.55);
}

.page-home .gateway:focus-visible {
  outline: 2px solid var(--celadon);
  outline-offset: 3px;
}

.page-home .gateway__media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--ash);
  border-bottom: 1px solid var(--ash);
}

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

.page-home .gateway__inner {
  padding: clamp(20px, 2.6vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .gateway__kicker {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cinnabar);
}

.page-home .gateway__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 27px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.24em;
  transition: text-decoration-color 0.2s var(--ease);
}

.page-home .gateway:hover .gateway__title,
.page-home .gateway:focus-visible .gateway__title {
  text-decoration-color: var(--cinnabar);
}

.page-home .gateway__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .gateway__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 2px 0 0;
  padding: 0;
}

.page-home .gateway__cta {
  margin-top: auto;
  padding-top: 6px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--celadon);
}

.page-home .gateways__aside {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: clamp(16px, 2vw, 20px) 0 0;
  border-top: 1px solid var(--ash);
  display: grid;
  gap: 10px;
}

.page-home .gateways__aside-link {
  font-size: 14px;
  color: var(--warm);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .gateways__aside-link:hover,
.page-home .gateways__aside-link:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: rgba(110, 27, 27, 0.45);
}

/* ---------- 服务底盘 ---------- */
.page-home .proof {
  background: var(--paper-lit);
  border-top: 1px solid var(--ash);
}

.page-home .proof__lede {
  margin: 0 0 clamp(26px, 4vw, 38px);
}

.page-home .proof__grid {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--ash);
  border: 1px solid var(--ash);
  border-radius: var(--home-radius);
  overflow: hidden;
}

.page-home .proof__item {
  background: var(--paper);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-home .proof__key {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--warm);
}

.page-home .proof__val {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4.6vw, 38px);
  line-height: 1.1;
  color: var(--cinnabar);
}

.page-home .proof__val span {
  display: block;
  margin-top: 8px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
  letter-spacing: 0;
}

.page-home .proof__notes {
  margin-top: clamp(24px, 3.4vw, 34px);
  display: grid;
  gap: 14px;
}

.page-home .proof__notes p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-home .proof__notes p:first-child {
  padding-left: 16px;
  border-left: 2px solid var(--gold);
}

/* ---------- 下一步 ---------- */
.page-home .nextstep {
  position: relative;
  overflow: hidden;
  background: var(--cinnabar-deep);
  color: var(--paper);
  padding-block: var(--home-block);
}

.page-home .nextstep::before {
  content: "";
  position: absolute;
  top: -30%;
  left: -10%;
  width: 60%;
  height: 140%;
  background: radial-gradient(50% 50% at 50% 50%, rgba(184, 137, 47, 0.18), rgba(184, 137, 47, 0) 70%);
  pointer-events: none;
}

.page-home .nextstep__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-home .nextstep__kicker {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--gold-pale);
}

.page-home .nextstep__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 5.4vw, 40px);
  line-height: 1.18;
  color: var(--paper-lit);
}

.page-home .nextstep__text {
  margin: 0 0 clamp(22px, 3vw, 30px);
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(244, 235, 221, 0.82);
}

.page-home .nextstep__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .nextstep__panel {
  border: 1px solid rgba(228, 207, 160, 0.34);
  border-radius: var(--home-radius);
  padding: clamp(18px, 2.6vw, 26px);
  background: rgba(24, 20, 20, 0.16);
}

.page-home .nextstep__panel-title {
  margin: 0 0 16px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--gold-pale);
}

.page-home .nextstep__list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-home .nextstep__row {
  display: grid;
  gap: 3px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(228, 207, 160, 0.16);
}

.page-home .nextstep__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .nextstep__key {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(228, 207, 160, 0.72);
}

.page-home .nextstep__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper-lit);
  word-break: break-word;
}

/* ---------- 桌面增强 ---------- */
@media (min-width: 860px) {
  .page-home .home-hero__inner {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: start;
  }

  .page-home .home-hero__title {
    position: relative;
    z-index: 3;
    margin-right: -10%;
  }

  .page-home .home-hero__visual {
    margin-top: -8px;
    margin-left: -5%;
  }

  .page-home .cadence__grid {
    grid-template-columns: 1.35fr 0.65fr;
    align-items: start;
  }

  .page-home .cadence__figure {
    position: sticky;
    top: 96px;
  }

  .page-home .steps__grid {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: start;
  }

  .page-home .steps__figure {
    position: sticky;
    top: 96px;
  }

  .page-home .gateways__grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: stretch;
  }

  .page-home .gateway--lead {
    flex-direction: row;
  }

  .page-home .gateway--lead .gateway__media {
    flex: 0 0 42%;
    aspect-ratio: auto;
    border-bottom: 0;
    border-right: 1px solid var(--ash);
  }

  .page-home .gateway--lead .gateway__inner {
    flex: 1 1 auto;
  }

  .page-home .gateways__aside {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 32px;
  }

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

  .page-home .proof__notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }

  .page-home .nextstep__inner {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-home .home-hero__rail {
    display: flex;
    gap: 0;
    border-left: 0;
    border-top: 2px solid var(--gold);
    padding: 14px 0 0;
  }

  .page-home .home-hero__rail-item {
    flex: 1 1 0;
    flex-direction: column;
    gap: 4px;
    padding-right: 12px;
  }
}

@media (max-width: 480px) {
  .page-home .home-hero__stamp {
    display: none;
  }

  .page-home .home-hero__actions .btn,
  .page-home .nextstep__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-hero__dot {
    animation: none;
  }

  .page-home .gateway,
  .page-home .step summary::after {
    transition: none;
  }
}
<<<END>>>