.page-home {
  background: var(--warm-white);
  color: var(--ink);
  font-family: var(--sans);
}

.page-home .hm-shell {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- 页面上下文条 ---------- */
.page-home .hm-context {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  padding: 18px 0 14px;
  border-bottom: 1px solid var(--rule-light);
}

.page-home .hm-context-mark {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 2px 7px;
  line-height: 1.6;
}

.page-home .hm-context-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 栅格 ---------- */
.page-home .hm-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  align-items: start;
}

.page-home .hm-flow {
  min-width: 0;
}

/* ---------- 左侧索引 ---------- */
.page-home .hm-rail {
  min-width: 0;
  padding: 22px 0 10px;
  border-bottom: 1px solid var(--rule-light);
}

.page-home .hm-rail-title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-home .hm-rail-list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .hm-rail-link {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid var(--rule-light);
  border-left: 3px solid transparent;
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: border-left-color .2s ease-out, color .2s ease-out, background-color .2s ease-out;
}

.page-home .hm-rail-link:hover,
.page-home .hm-rail-link:focus-visible {
  border-left-color: var(--gold);
  background: var(--paper);
  color: var(--ink);
}

.page-home .hm-rail-num {
  font-size: 11px;
  color: var(--gold);
}

.page-home .hm-rail-note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 首屏 ---------- */
.page-home .hm-hero {
  padding: 28px 0 0;
}

.page-home .hm-hero-frame {
  position: relative;
  background: var(--midnight);
  background-image: linear-gradient(180deg, var(--midnight) 0%, var(--ink) 100%);
  color: var(--warm-white);
  border: 1px solid var(--line);
  padding: 26px 18px 22px;
}

.page-home .hm-corner {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 1px solid var(--gold);
  pointer-events: none;
}

.page-home .hm-corner-tl {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-home .hm-corner-br {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-home .hm-hero-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: end;
}

.page-home .hm-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold-light);
}

.page-home .hm-eyebrow-num {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--midnight);
  background: var(--gold-light);
  padding: 2px 6px;
}

.page-home .hm-hero-title {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.12;
  letter-spacing: .02em;
  color: var(--warm-white);
}

.page-home .hm-hero-sub {
  display: block;
  margin-top: 12px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(13px, 1.7vw, 17px);
  line-height: 1.7;
  letter-spacing: .06em;
  color: var(--gold-light);
}

.page-home .hm-hero-lede {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 241, 230, .84);
}

.page-home .hm-hero-points {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-home .hm-hero-points li {
  position: relative;
  padding: 11px 0 11px 18px;
  border-bottom: 1px solid rgba(44, 62, 87, .55);
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(245, 241, 230, .8);
}

.page-home .hm-hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 6px;
  height: 6px;
  background: var(--gold);
}

.page-home .hm-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 22px;
}

.page-home .hm-hero-media {
  margin: 0;
}

.page-home .hm-hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

/* ---------- 三步路径条 ---------- */
.page-home .hm-pathstrip-wrap {
  margin-top: 26px;
  padding-top: 14px;
  border-top: 1px solid var(--gold);
}

.page-home .hm-pathstrip-title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold-light);
}

.page-home .hm-pathstrip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 14px minmax(0, 1fr) 14px minmax(0, 1fr);
  align-items: stretch;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.page-home .hm-pathstrip-cell {
  min-width: 0;
}

.page-home .hm-pathstrip-node {
  display: flex;
  flex-direction: column;
  gap: 3px;
  height: 100%;
  padding: 9px 8px;
  background: var(--midnight-soft);
  border: 1px solid var(--gold);
  color: var(--warm-white);
  text-decoration: none;
  transition: background-color .2s ease-out;
}

.page-home .hm-pathstrip-node:hover,
.page-home .hm-pathstrip-node:focus-visible {
  background: rgba(184, 144, 31, .22);
}

.page-home .hm-pathstrip-num {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold-light);
}

.page-home .hm-pathstrip-label {
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
}

.page-home .hm-pathstrip-arrow {
  position: relative;
}

.page-home .hm-pathstrip-arrow::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 2px;
  right: 2px;
  height: 1px;
  background: var(--gold-light);
}

/* ---------- 通用章节 ---------- */
.page-home .hm-sec {
  padding: 0 0 48px;
}

.page-home .hm-sec::before {
  content: "";
  display: block;
  height: 8px;
  background: var(--gold);
  margin: 34px 0 30px;
}

.page-home .hm-sec-head {
  max-width: 44em;
  margin-bottom: 26px;
}

.page-home .hm-sec-index {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-home .hm-sec-head h2 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.3;
  letter-spacing: .02em;
  color: inherit;
}

.page-home .hm-sec-lede {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 02 三条主线 ---------- */
.page-home .hm-lines {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.page-home .hm-lines-media {
  margin: 0;
  min-width: 0;
}

.page-home .hm-lines-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule-mid);
}

.page-home .hm-lines-media figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--ink-soft);
}

.page-home .hm-line-cards {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-home .hm-line-card {
  padding: 20px 16px;
  border: 1px solid var(--rule-mid);
  background: var(--paper);
}

.page-home .hm-line-card h3 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: .02em;
}

.page-home .hm-line-card p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.8;
}

.page-home .hm-line-card p:last-of-type {
  margin-bottom: 0;
}

.page-home .hm-line-tag {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-home .hm-line-list {
  margin: 0 0 14px;
  padding: 0 0 0 2px;
  list-style: none;
}

.page-home .hm-line-list li {
  position: relative;
  padding: 5px 0 5px 14px;
  font-size: 13px;
  line-height: 1.7;
  border-bottom: 1px solid var(--rule-light);
}

.page-home .hm-line-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 5px;
  height: 5px;
  background: var(--gold);
}

.page-home .hm-line-link {
  display: inline-block;
  font-size: 13px;
}

.page-home .hm-line-card--rules {
  background: var(--midnight);
  border-color: var(--midnight);
  color: var(--warm-white);
}

.page-home .hm-line-card--rules p {
  color: rgba(245, 241, 230, .82);
}

.page-home .hm-line-card--rules .hm-line-list li {
  color: rgba(245, 241, 230, .78);
  border-bottom-color: rgba(44, 62, 87, .8);
}

.page-home .hm-line-card--rules .hm-line-tag {
  color: var(--gold-light);
}

.page-home .hm-line-card--notice {
  background: var(--warm-white);
  border-left: 3px solid var(--gold);
}

.page-home .hm-line-card--review {
  background: var(--paper);
  border-left: 3px solid var(--midnight);
}

/* ---------- 03 最短路径 ---------- */
.page-home .hm-sec-path {
  background: var(--midnight);
  background-image: linear-gradient(160deg, var(--midnight) 0%, var(--ink) 100%);
  color: var(--warm-white);
  padding: 0 18px 40px;
}

.page-home .hm-sec-path::before {
  background: var(--gold-light);
  margin-top: 0;
  margin-bottom: 28px;
}

.page-home .hm-sec-path .hm-sec-index {
  color: var(--gold-light);
}

.page-home .hm-sec-path .hm-sec-lede {
  color: rgba(245, 241, 230, .8);
}

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

.page-home .hm-step-details {
  border: 1px solid var(--line);
  background: rgba(23, 41, 63, .78);
}

.page-home .hm-step-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-home .hm-step-summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 16px;
  text-align: center;
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1;
  color: var(--gold-light);
}

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

.page-home .hm-step-num {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold-light);
  border: 1px solid var(--gold);
  padding: 3px 7px;
  background: rgba(184, 144, 31, .14);
}

.page-home .hm-step-title {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .02em;
}

.page-home .hm-step-hint {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--gold-light);
}

.page-home .hm-step-body {
  padding: 14px 14px 16px;
  border-top: 1px solid var(--line);
}

.page-home .hm-step-body p {
  margin: 0 0 10px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(245, 241, 230, .82);
}

.page-home .hm-step-body ul {
  margin: 0;
  padding-left: 16px;
}

.page-home .hm-step-body li {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(245, 241, 230, .72);
}

.page-home .hm-path-media {
  margin: 22px 0 0;
}

.page-home .hm-path-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

/* ---------- 04 板块索引 ---------- */
.page-home .hm-board {
  border-top: 1px solid var(--rule-mid);
}

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

.page-home .hm-board-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 16px 8px 16px 10px;
  border-bottom: 1px solid var(--rule-light);
  border-left: 3px solid transparent;
  transition: border-left-color .18s ease-out, background-color .18s ease-out;
}

.page-home .hm-board-row:hover {
  border-left-color: var(--gold);
  background: var(--paper);
}

.page-home .hm-board-num {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--gold);
  padding-top: 4px;
}

.page-home .hm-board-main {
  min-width: 0;
}

.page-home .hm-board-main h3 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  letter-spacing: .02em;
}

.page-home .hm-board-main p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .hm-board-meta {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-home .hm-board-foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 8px solid var(--gold);
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 05 设备与语言 ---------- */
.page-home .hm-device {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-home .hm-spec {
  margin: 0;
  border-top: 1px solid var(--rule-mid);
}

.page-home .hm-spec-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule-light);
}

.page-home .hm-spec dt {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-home .hm-spec dd {
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
}

.page-home .hm-device-copy h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
  letter-spacing: .02em;
}

.page-home .hm-device-copy h3 + p {
  margin-top: 0;
}

.page-home .hm-device-copy p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-home .hm-device-note {
  padding: 12px 14px;
  border-left: 3px solid var(--gold);
  background: var(--paper);
  color: var(--ink) !important;
  font-size: 13.5px !important;
}

/* ---------- 06 五步上手 ---------- */
.page-home .hm-quota-media {
  margin: 0 0 22px;
}

.page-home .hm-quota-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule-mid);
}

.page-home .hm-quota-media figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--ink-soft);
}

.page-home .hm-five {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--rule-mid);
  border: 1px solid var(--rule-mid);
}

.page-home .hm-five-card {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  padding: 16px 14px;
  background: var(--paper);
}

.page-home .hm-five-num {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  padding-top: 3px;
}

.page-home .hm-five-body {
  min-width: 0;
}

.page-home .hm-five-body h3 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  letter-spacing: .02em;
}

.page-home .hm-five-body p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 07 最近更新 ---------- */
.page-home .hm-news-list {
  border-top: 1px solid var(--rule-mid);
}

.page-home .hm-news-item {
  padding: 16px 8px 16px 10px;
  border-bottom: 1px solid var(--rule-light);
  border-left: 3px solid transparent;
  transition: border-left-color .18s ease-out, background-color .18s ease-out;
}

.page-home .hm-news-item:hover {
  border-left-color: var(--gold);
  background: var(--paper);
}

.page-home .hm-news-time {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-home .hm-news-item h3 {
  margin: 0 0 7px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.45;
  letter-spacing: .02em;
}

.page-home .hm-news-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

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

/* ---------- 08 联系方式 ---------- */
.page-home .hm-sec-contact {
  background: var(--ink);
  background-image: linear-gradient(200deg, var(--midnight) 0%, var(--ink) 70%);
  color: var(--warm-white);
  padding: 0 18px 44px;
}

.page-home .hm-sec-contact::before {
  background: var(--gold-light);
  margin-top: 0;
  margin-bottom: 28px;
}

.page-home .hm-sec-contact .hm-sec-index {
  color: var(--gold-light);
}

.page-home .hm-sec-contact .hm-sec-lede {
  color: rgba(245, 241, 230, .8);
}

.page-home .hm-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

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

.page-home .hm-contact-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .hm-contact-key {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold-light);
}

.page-home .hm-contact-val {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 241, 230, .9);
  word-break: break-word;
}

.page-home .hm-contact-val--mail {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .01em;
}

.page-home .hm-contact-side p {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(245, 241, 230, .8);
}

.page-home .hm-contact-side .btn {
  margin-top: 4px;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 760px) {
  .page-home .hm-spec-item {
    grid-template-columns: 9em minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }

  .page-home .hm-contact-item {
    grid-template-columns: 6em minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }

  .page-home .hm-five {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .hm-five-card:first-child {
    grid-column: 1 / -1;
  }

  .page-home .hm-hero-frame {
    padding: 34px 28px 26px;
  }

  .page-home .hm-pathstrip-node {
    flex-direction: row;
    align-items: baseline;
    gap: 8px;
    padding: 10px 12px;
  }
}

@media (min-width: 900px) {
  .page-home .hm-hero-body {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
    gap: 34px;
  }

  .page-home .hm-lines {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 28px;
  }

  .page-home .hm-device {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 34px;
  }

  .page-home .hm-contact {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 34px;
  }

  .page-home .hm-board-row {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 6px 18px;
    padding-left: 14px;
  }

  .page-home .hm-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 14px;
  }

  .page-home .hm-step-summary {
    flex-wrap: wrap;
    gap: 8px;
  }

  .page-home .hm-step-hint {
    width: 100%;
    padding-left: 2px;
  }

  .page-home .hm-step-summary::after {
    position: absolute;
    top: 12px;
    right: 12px;
  }

  .page-home .hm-step-details {
    position: relative;
    height: 100%;
  }
}

@media (min-width: 1080px) {
  .page-home .hm-grid {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: 0 44px;
  }

  .page-home .hm-rail {
    position: sticky;
    top: calc(var(--hdr-total) + 20px);
    border-bottom: 0;
    border-left: 1px solid var(--rule-light);
    padding: 30px 0 20px 14px;
    margin-top: 0;
  }

  .page-home .hm-rail-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-home .hm-rail-link {
    width: 100%;
    border: 0;
    border-left: 3px solid transparent;
    padding: 6px 0 6px 8px;
    background: none;
  }

  .page-home .hm-rail-link:hover,
  .page-home .hm-rail-link:focus-visible {
    background: none;
    border-left-color: var(--gold);
  }

  .page-home .hm-sec::before {
    margin: 40px 0 34px;
  }

  .page-home .hm-sec-path::before,
  .page-home .hm-sec-contact::before {
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hm-rail-link,
  .page-home .hm-board-row,
  .page-home .hm-news-item,
  .page-home .hm-pathstrip-node {
    transition: none;
  }
}

```