.page-home {
  --hm-shadow: 0 20px 44px -28px rgba(30, 23, 18, 0.55);
  background: var(--paper);
}

/* ---------- 首屏框景 ---------- */
.page-home .hm-hero {
  position: relative;
  padding: clamp(84px, 12vh, 132px) 0 clamp(36px, 6vw, 68px);
}

.page-home .hm-hero__frame {
  position: relative;
  margin: 0 var(--gutter);
  padding: clamp(22px, 4vw, 48px) clamp(14px, 3vw, 36px);
  border: 1px solid var(--clay);
  border-radius: 6px;
  background:
    radial-gradient(120% 90% at 86% 4%, rgba(241, 228, 207, 0.9) 0%, rgba(251, 246, 236, 0) 62%),
    var(--paper);
  overflow: hidden;
}

.page-home .hm-hero__frame::before,
.page-home .hm-hero__frame::after {
  content: "";
  position: absolute;
  width: 88px;
  height: 88px;
  border-color: var(--gold);
  border-style: solid;
  pointer-events: none;
}

.page-home .hm-hero__frame::before {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.page-home .hm-hero__frame::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}

.page-home .hm-hero__scale {
  position: absolute;
  top: 20px;
  bottom: 20px;
  width: 7px;
  background-image: repeating-linear-gradient(to bottom, var(--gold) 0 1px, transparent 1px 11px);
  opacity: 0.5;
  pointer-events: none;
}

.page-home .hm-hero__scale--l { left: 6px; }
.page-home .hm-hero__scale--r { right: 6px; }

.page-home .hm-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
  padding-inline: clamp(4px, 2vw, 22px);
}

.page-home .hm-hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(42px, 8vw, 108px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 14px 0 0;
}

.page-home .hm-hero__title em {
  font-style: normal;
  font-weight: 800;
  color: var(--brown);
}

.page-home .hm-hero__lead {
  max-width: 46ch;
  margin-top: 22px;
  color: rgba(30, 23, 18, 0.86);
}

.page-home .hm-choices {
  display: grid;
  gap: 10px;
  margin-top: 30px;
  max-width: 470px;
}

.page-home .hm-choice {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border: 1px solid var(--clay);
  border-radius: 28px;
  background: var(--white);
  color: var(--ink);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .hm-choice:hover {
  border-color: var(--amber);
  background: var(--paper);
  transform: translateX(4px);
}

.page-home .hm-choice:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

.page-home .hm-choice__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-top: 2px;
}

.page-home .hm-choice__text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-home .hm-choice__text strong {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
}

.page-home .hm-choice__text small {
  font-size: 13px;
  line-height: 1.4;
  color: var(--brown);
  opacity: 0.9;
}

.page-home .hm-window {
  position: relative;
  margin: 0;
  padding: 10px 10px 0;
  background: var(--white);
  border: 2px solid var(--deep);
  border-radius: var(--radius-md);
  box-shadow: var(--hm-shadow);
}

.page-home .hm-window img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-md) - 12px);
  object-fit: cover;
}

.page-home .hm-window__tag {
  position: absolute;
  top: -14px;
  left: 18px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--amber);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-home .hm-window figcaption {
  padding: 12px 6px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--brown);
}

/* ---------- 索引轨与连续画布 ---------- */
.page-home .hm-canvas {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding-bottom: clamp(52px, 8vw, 104px);
}

.page-home .hm-rail {
  padding: 12px 0;
  margin-bottom: 8px;
  border-block: 1px solid var(--clay);
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-home .hm-rail__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--brown);
}

.page-home .hm-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .hm-rail__link {
  display: inline-block;
  white-space: nowrap;
  padding: 7px 14px;
  border: 1px solid var(--clay);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--brown);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .hm-rail__link:hover,
.page-home .hm-rail__link:focus-visible {
  border-color: var(--amber);
  color: var(--ink);
  background: rgba(240, 122, 19, 0.06);
}

.page-home .hm-rail__link:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

.page-home .hm-flow > section {
  padding-block: clamp(42px, 6vw, 76px);
  border-bottom: 1px solid var(--clay);
  scroll-margin-top: 96px;
}

.page-home .hm-flow > section:last-child {
  border-bottom: 0;
}

/* ---------- 第 4 条大号编号 ---------- */
.page-home .hm-doc__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.page-home .hm-doc__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(84px, 16vw, 196px);
  line-height: 0.78;
  letter-spacing: -0.05em;
  color: var(--brown);
}

.page-home .hm-doc__num::after {
  content: "";
  display: block;
  width: min(100%, 190px);
  height: 6px;
  margin-top: 18px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--amber), rgba(240, 122, 19, 0));
}

.page-home .hm-doc__content {
  max-width: 70ch;
}

.page-home .hm-doc__content .nb-h2 {
  margin-top: 0;
}

.page-home .hm-steps {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: hmstep;
}

.page-home .hm-steps li {
  position: relative;
  counter-increment: hmstep;
  padding: 15px 18px 15px 58px;
  border: 1px solid var(--clay);
  border-radius: 18px;
  background: var(--white);
  font-size: 15px;
  line-height: 1.7;
}

.page-home .hm-steps li::before {
  content: "0" counter(hmstep);
  position: absolute;
  left: 18px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.04em;
}

.page-home .hm-steps strong {
  color: var(--brown);
}

.page-home .hm-doc__tail {
  margin-top: 20px;
  font-size: 15px;
  color: rgba(30, 23, 18, 0.8);
}

.page-home .hm-doc .nb-btn {
  margin-top: 22px;
}

/* ---------- 稳定版导出排查 ---------- */
.page-home .hm-export__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-top: 18px;
}

.page-home .hm-export__steps {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .hm-export__steps li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  column-gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--clay);
}

.page-home .hm-export__no {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
}

.page-home .hm-export__steps h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.page-home .hm-export__steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(30, 23, 18, 0.82);
}

.page-home .hm-export .nb-note {
  margin-top: 22px;
}

.page-home .hm-export .nb-btn {
  margin-top: 20px;
}

.page-home .hm-export__figure {
  margin: 0;
}

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

/* ---------- 设备速查 ---------- */
.page-home .hm-device__lead {
  max-width: 66ch;
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(30, 23, 18, 0.86);
}

.page-home .hm-device__media {
  position: relative;
  margin: 28px 0 20px;
  border: 1px solid var(--clay);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

.page-home .hm-device__badge {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: rgba(15, 63, 70, 0.92);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
}

.page-home .hm-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--clay);
  border-radius: 20px;
  background: var(--white);
}

.page-home .hm-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-home .hm-table caption {
  padding: 14px 18px 2px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--brown);
}

.page-home .hm-table th {
  padding: 12px 18px;
  text-align: left;
  white-space: nowrap;
  background: var(--sand);
  border-bottom: 1px solid var(--clay);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brown);
}

.page-home .hm-table td {
  padding: 14px 18px;
  border-top: 1px solid rgba(217, 190, 155, 0.5);
  color: var(--ink);
  white-space: nowrap;
}

.page-home .hm-table tbody tr:nth-child(even) {
  background: var(--paper);
}

.page-home .hm-details {
  margin-top: 18px;
  padding: 0 20px;
  border: 1px solid var(--clay);
  border-radius: 18px;
  background: var(--white);
}

.page-home .hm-details summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--brown);
}

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

.page-home .hm-details summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--amber);
}

.page-home .hm-details[open] summary::before {
  content: "–";
}

.page-home .hm-details summary:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

.page-home .hm-details p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(30, 23, 18, 0.84);
}

.page-home .hm-details .nb-btn {
  margin-bottom: 18px;
}

/* ---------- 旧版资料 ---------- */
.page-home .hm-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .hm-tags a {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid var(--clay);
  border-radius: var(--radius-pill);
  background: var(--white);
  color: var(--brown);
  font-size: 14px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .hm-tags a:hover,
.page-home .hm-tags a:focus-visible {
  border-color: var(--teal);
  color: var(--teal);
  background: rgba(20, 125, 140, 0.07);
}

.page-home .hm-tags a:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

.page-home .hm-archive__note {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(30, 23, 18, 0.8);
}

.page-home .hm-archive .nb-btn {
  margin-top: 18px;
}

/* ---------- 服务与团队 ---------- */
.page-home .hm-flow > .hm-service {
  margin-top: clamp(28px, 4vw, 48px);
  padding: clamp(26px, 4vw, 48px) clamp(18px, 3vw, 40px);
  border: 1px solid var(--clay);
  border-radius: var(--radius-lg);
  background: var(--sand);
}

.page-home .hm-service__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  margin-top: 24px;
}

.page-home .hm-service__stats {
  display: grid;
  gap: 0;
}

.page-home .hm-stat {
  display: grid;
  grid-template-columns: minmax(66px, 100px) minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid rgba(176, 122, 47, 0.38);
}

.page-home .hm-stat:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-home .hm-stat__value {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--brown);
}

.page-home .hm-stat__label {
  font-size: 14px;
  line-height: 1.68;
  color: rgba(30, 23, 18, 0.85);
}

.page-home .hm-service__figure {
  margin: 0 0 18px;
  border: 1px solid var(--clay);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--white);
}

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

.page-home .hm-contact-box {
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--deep);
  color: var(--white);
}

.page-home .hm-contact-box__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--teal-lift);
}

.page-home .hm-contact-box__value {
  margin: 10px 0 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  word-break: break-all;
  color: var(--white);
}

.page-home .hm-contact-box .nb-copy {
  color: var(--paper);
  border-color: rgba(251, 246, 236, 0.45);
  background: transparent;
}

.page-home .hm-contact-box .nb-copy:hover {
  border-color: var(--amber);
}

.page-home .hm-copy-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-home .nb-copy[data-copied="true"] ~ .hm-copy-status {
  opacity: 1;
}

.page-home .hm-contact-box__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 253, 248, 0.78);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-home .hm-doc__grid {
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 40px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-home .hm-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 56px;
  }

  .page-home .hm-export__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-home .hm-export__figure {
    margin-top: 56px;
  }

  .page-home .hm-device__media {
    margin-left: 44px;
  }

  .page-home .hm-service__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 44px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-home .hm-canvas {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    column-gap: 44px;
    align-items: start;
  }

  .page-home .hm-rail {
    position: sticky;
    top: 88px;
    margin-bottom: 0;
    padding: 8px 14px 8px 0;
    border: 0;
    border-right: 1px solid var(--clay);
    overflow: visible;
  }

  .page-home .hm-rail__list {
    flex-direction: column;
    gap: 2px;
  }

  .page-home .hm-rail__link {
    padding: 9px 0 9px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    font-size: 12px;
    line-height: 1.45;
    letter-spacing: 0.02em;
    white-space: normal;
  }

  .page-home .hm-rail__link:hover,
  .page-home .hm-rail__link:focus-visible {
    border-left-color: var(--amber);
    background: rgba(240, 122, 19, 0.07);
  }

  .page-home .hm-flow > section {
    padding-block: clamp(48px, 5vw, 80px);
  }
}

@media (max-width: 700px) {
  .page-home .hm-hero__scale {
    display: none;
  }

  .page-home .hm-hero__frame::before,
  .page-home .hm-hero__frame::after {
    width: 56px;
    height: 56px;
  }

  .page-home .hm-table td,
  .page-home .hm-table th {
    padding-inline: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hm-choice,
  .page-home .hm-rail__link,
  .page-home .hm-tags a,
  .page-home .hm-copy-status {
    transition: none;
  }

  .page-home .hm-choice:hover {
    transform: none;
  }
}