.page-home {
  --home-gutter: clamp(18px, 4vw, 40px);
  --home-grid-line: rgba(11, 43, 38, 0.07);
  --home-grid-line-light: rgba(217, 178, 124, 0.14);
}

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

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding: clamp(20px, 4vw, 36px) 0 clamp(36px, 6vw, 76px);
  background-color: var(--cream);
  background-image:
    linear-gradient(var(--home-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--home-grid-line) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  border-bottom: 1px solid var(--line);
}

.page-home .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-home .hero-head {
  max-width: 760px;
}

.page-home .hero-head .eyebrow {
  margin: 0 0 12px;
  color: var(--copper-ink);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-home .hero-head h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 7.2vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  text-wrap: balance;
}

.page-home .hero-lead {
  margin: clamp(14px, 2.4vw, 20px) 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.72;
  color: var(--graphite);
}

.page-home .hero-grid {
  display: grid;
  gap: clamp(16px, 3vw, 24px);
  align-items: start;
  margin-top: clamp(24px, 4vw, 40px);
}

/* 移动端：步骤卡在前 */
.page-home .steps-panel {
  order: -1;
}

/* ---------- 服务范围清单 ---------- */
.page-home .scope-panel {
  position: relative;
  padding: clamp(20px, 3.4vw, 30px);
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-home .scope-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--copper) 0%, var(--copper-300) 62%, transparent 100%);
}

.page-home .scope-stamp {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--copper-ink);
  border: 1px solid var(--copper-300);
  border-radius: 3px;
}

.page-home .scope-head h2 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 3.2vw, 28px);
  line-height: 1.25;
  color: var(--ink-900);
}

.page-home .scope-head p {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--graphite);
}

.page-home .scope-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-home .scope-item {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 2px 10px;
  padding: 13px 0;
  border-top: 1px dashed var(--line);
}

.page-home .scope-item:first-child {
  border-top: 0;
}

.page-home .scope-num {
  grid-row: span 2;
  font-size: 12px;
  line-height: 1.6;
  color: var(--copper-ink);
  letter-spacing: 0.06em;
}

.page-home .scope-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.35;
  color: var(--black);
}

.page-home .scope-note {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.62;
  color: var(--graphite);
}

.page-home .scope-foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

/* ---------- 三步排查 ---------- */
.page-home .steps-panel {
  position: relative;
  padding: clamp(20px, 3.4vw, 28px);
  color: var(--cream);
  background-color: var(--ink-900);
  background-image:
    linear-gradient(var(--home-grid-line-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--home-grid-line-light) 1px, transparent 1px);
  background-size: 56px 56px, 56px 56px;
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-home .steps-kicker {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper-300);
  text-transform: uppercase;
}

.page-home .steps-panel h2 {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.3;
  color: var(--cream);
}

.page-home .steps-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .step {
  position: relative;
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 12px;
  padding-bottom: 20px;
}

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

.page-home .step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 1.24rem;
  top: 2.35rem;
  bottom: 0.4rem;
  width: 1px;
  background: rgba(217, 178, 124, 0.35);
}

.page-home .step-num {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--copper-300);
  border: 1px solid rgba(217, 178, 124, 0.5);
  border-radius: 999px;
  background: rgba(11, 43, 38, 0.6);
}

.page-home .step--flag .step-num {
  color: #1A1F1D;
  background: var(--orange);
  border-color: var(--orange);
}

.page-home .step-body h3 {
  margin: 4px 0 4px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.35;
  color: var(--paper);
}

.page-home .step-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

.page-home .steps-foot {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(217, 178, 124, 0.28);
  font-size: 13px;
  line-height: 1.6;
  color: var(--copper-300);
}

/* ---------- 通用图文块 ---------- */
.page-home .home-figure {
  margin: 18px 0 0;
}

.page-home .home-figure img {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  object-fit: cover;
  background: var(--paper);
}

.page-home .home-figure figcaption {
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--graphite);
}

.page-home .home-figure--dark img {
  border-color: rgba(217, 178, 124, 0.32);
}

.page-home .home-figure--dark figcaption {
  color: var(--mist);
}

.page-home .home-link {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: var(--copper-ink);
  text-decoration: none;
  border-bottom: 2px solid var(--copper-300);
  padding-bottom: 2px;
}

.page-home .home-link:hover,
.page-home .home-link:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--copper);
}

.page-home .home-link--light {
  color: var(--copper-300);
  border-bottom-color: rgba(217, 178, 124, 0.5);
}

.page-home .home-link--light:hover,
.page-home .home-link--light:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--copper-300);
}

/* ---------- 通用区块头 ---------- */
.page-home .block-head {
  max-width: 620px;
}

.page-home .block-head .eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper-ink);
  text-transform: uppercase;
}

.page-home .block-head h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 4.4vw, 36px);
  line-height: 1.2;
  color: var(--ink-900);
  text-wrap: balance;
}

.page-home .block-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-home .block-head--dark h2 {
  color: var(--cream);
}

.page-home .block-head--dark p {
  color: var(--mist);
}

.page-home .block-head--dark .eyebrow {
  color: var(--copper-300);
}

/* ---------- 更新与编号 ---------- */
.page-home .home-updates {
  background: var(--paper);
}

.page-home .updates-grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-home .update-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .update-item {
  display: grid;
  gap: 4px;
  padding: 16px 0 16px 16px;
  border-top: 1px solid var(--line);
  border-left: 2px solid var(--copper);
}

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

.page-home .update-key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper-ink);
}

.page-home .update-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.68;
  color: var(--graphite);
}

.page-home .updates-side .home-figure {
  margin-top: 0;
}

.page-home .updates-link {
  margin: 16px 0 0;
}

/* ---------- 场景 ---------- */
.page-home .home-scenes {
  background-color: var(--ink-900);
  color: var(--cream);
}

.page-home .scenes-grid {
  display: grid;
  gap: clamp(20px, 3.6vw, 36px);
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-home .scenes-list {
  display: grid;
  gap: 14px;
}

.page-home .scene {
  padding: 18px;
  border: 1px solid rgba(217, 178, 124, 0.28);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.035);
}

.page-home .scene-tag {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.09em;
  color: var(--copper-300);
}

.page-home .scene h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.35;
  color: var(--paper);
}

.page-home .scene p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .scenes-grid .home-figure {
  margin-top: 0;
}

/* ---------- 帮助文档 ---------- */
.page-home .home-docs {
  background: var(--cream);
}

.page-home .doc-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-home .doc-card {
  position: relative;
  padding: 20px 18px 18px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-card);
}

.page-home .doc-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 26px;
  height: 26px;
  background: linear-gradient(225deg, var(--cream) 50%, rgba(11, 43, 38, 0.1) 50%);
  border-bottom-left-radius: 6px;
}

.page-home .doc-num {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--copper);
}

.page-home .doc-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.3;
  color: var(--ink-900);
}

.page-home .doc-card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--graphite);
}

.page-home .docs-foot {
  margin: 22px 0 0;
}

/* ---------- 联络 ---------- */
.page-home .home-contact {
  background: var(--paper);
}

.page-home .contact-strip {
  display: grid;
  gap: clamp(20px, 3.4vw, 36px);
  padding: clamp(22px, 3.6vw, 34px);
  background: var(--cream);
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--copper);
  border-radius: var(--radius-card);
}

.page-home .contact-copy .eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper-ink);
  text-transform: uppercase;
}

.page-home .contact-copy h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.25;
  color: var(--ink-900);
}

.page-home .contact-copy p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--graphite);
  max-width: 42ch;
}

.page-home .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 22px;
  margin-bottom: 0;
}

.page-home .contact-facts {
  margin: 0;
  display: grid;
  gap: 0;
  align-content: start;
}

.page-home .contact-fact {
  display: grid;
  gap: 2px;
  padding: 11px 0;
  border-top: 1px dashed var(--line);
}

.page-home .contact-fact:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-home .contact-fact dt {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--copper-ink);
}

.page-home .contact-fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.55;
  color: var(--black);
  overflow-wrap: anywhere;
}

/* ---------- 信任 ---------- */
.page-home .home-trust {
  background-color: var(--ink-900);
  color: var(--cream);
}

.page-home .trust-grid {
  display: grid;
  gap: clamp(22px, 3.6vw, 38px);
}

.page-home .trust-copy .eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper-300);
  text-transform: uppercase;
}

.page-home .trust-copy h2 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 4.2vw, 34px);
  line-height: 1.2;
  color: var(--cream);
}

.page-home .trust-copy > p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
  max-width: 46ch;
}

.page-home .trust-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .trust-list li {
  display: grid;
  grid-template-columns: 4.6rem 1fr;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(217, 178, 124, 0.24);
  font-size: 14px;
  line-height: 1.62;
  color: var(--mist);
}

.page-home .trust-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-home .trust-key {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--copper-300);
  padding-top: 2px;
}

.page-home .trust-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  margin: 0;
}

.page-home .trust-grid .home-figure {
  margin-top: 0;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 640px) {
  .page-home .doc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .page-home .steps-panel {
    order: 0;
  }

  /* 桌面端清单说明默认收拢，悬停或聚焦时展开 */
  .page-home .scope-note {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.32s ease, opacity 0.26s ease, margin 0.32s ease;
  }

  .page-home .scope-item:hover .scope-note,
  .page-home .scope-item:focus-within .scope-note {
    max-height: 6em;
    opacity: 1;
    margin-top: 2px;
  }

  .page-home .updates-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-home .scenes-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-home .scenes-grid .home-figure {
    position: sticky;
    top: 96px;
  }

  .page-home .contact-strip {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
  }

  .page-home .trust-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-home .doc-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .scene {
    padding: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .scope-note {
    transition: none;
  }

  .page-home .scenes-grid .home-figure {
    position: static;
  }
}