.page-home {
  --home-line: rgba(201, 162, 75, .28);
  --home-line-soft: rgba(216, 210, 198, .12);
  color: var(--text);
  font-family: var(--font-sans);
  padding-bottom: 8px;
}

.page-home .home-crumb {
  padding: 20px 0 4px;
}

.page-home .home-crumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--text-dim);
}

.page-home .home-crumb-item + .home-crumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--gold);
}

/* 首屏 */
.page-home .home-masthead {
  position: relative;
  padding: 20px 0 52px;
  border-bottom: 1px solid var(--home-line);
  background:
    radial-gradient(92% 118% at 84% -12%, rgba(201, 162, 75, .15), transparent 62%),
    linear-gradient(180deg, rgba(35, 49, 58, .62), rgba(11, 12, 14, 0) 76%);
}

.page-home .home-masthead-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: center;
}

.page-home .home-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--gold);
  text-transform: uppercase;
  padding-left: 14px;
  border-left: 2px solid var(--cinnabar);
}

.page-home .home-title {
  margin: 0 0 20px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2.1rem, 8vw, 3.8rem);
  line-height: 1.16;
  letter-spacing: .015em;
  color: var(--paper);
}

.page-home .home-title::after {
  content: "";
  display: block;
  width: 76px;
  height: 3px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 75, 0));
}

.page-home .home-lead {
  margin: 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(237, 232, 220, .82);
}

.page-home .home-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 28px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}

.page-home .home-metric {
  background: var(--ink-soft);
  padding: 14px 15px 16px;
}

.page-home .home-metric-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.55rem;
  line-height: 1.1;
  color: var(--gold-light);
}

.page-home .home-metric-label {
  display: block;
  margin-top: 6px;
  font-size: .76rem;
  line-height: 1.6;
  color: var(--text-dim);
}

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

.page-home .home-masthead-media {
  position: relative;
  margin: 0;
  border: 1px solid var(--home-line);
  background: var(--ink-soft);
  box-shadow: 4px 4px 0 rgba(201, 162, 75, .08), 9px 9px 0 rgba(216, 210, 198, .04);
  overflow: hidden;
}

.page-home .home-masthead-media::after {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 26px;
  height: 26px;
  border-top: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
  pointer-events: none;
}

.page-home .home-masthead-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: .9;
}

/* 主体：左索引 + 右内容 */
.page-home .home-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-home .home-rail {
  padding: 24px 0 18px;
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .home-rail-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--celadon);
  text-transform: uppercase;
}

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

.page-home .home-rail-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(216, 210, 198, .1);
  color: var(--text-dim);
  text-decoration: none;
  font-size: .9rem;
  transition: color .24s var(--ease-out), padding-left .24s var(--ease-out);
}

.page-home .home-rail-link span {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-home .home-rail-link:hover,
.page-home .home-rail-link:focus-visible {
  color: var(--paper);
  padding-left: 4px;
}

.page-home .home-rail-link[aria-current="true"] {
  color: var(--gold-light);
  border-bottom-color: var(--gold);
}

.page-home .home-rail-link[aria-current="true"] span {
  color: var(--cinnabar-soft);
}

.page-home .home-rail-hint {
  margin: 16px 0 0;
  font-size: .76rem;
  line-height: 1.75;
  color: var(--celadon);
}

/* 区块骨架 */
.page-home .home-block {
  padding: 42px 0;
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .home-block-head {
  max-width: 60ch;
  margin: 0 0 26px;
}

.page-home .home-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-home .home-block-title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.6vw, 1.92rem);
  line-height: 1.38;
  color: var(--paper);
}

.page-home .home-block-lead {
  margin: 0;
  font-size: .95rem;
  line-height: 1.9;
  color: rgba(237, 232, 220, .76);
}

/* 规则读法 */
.page-home .home-read-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-home .home-read-card {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--home-line-soft);
  background: linear-gradient(162deg, rgba(29, 32, 37, .96), rgba(21, 23, 27, .96));
  box-shadow: 2px 2px 0 rgba(216, 210, 198, .05), 5px 5px 0 rgba(201, 162, 75, .04);
}

.page-home .home-read-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 75, 0) 70%);
}

.page-home .home-card-no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--celadon);
}

.page-home .home-read-card h3 {
  margin: 0 0 9px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
}

.page-home .home-read-card p:last-child {
  margin: 0;
  font-size: .86rem;
  line-height: 1.82;
  color: var(--text-dim);
}

.page-home .home-notice {
  margin-top: 22px;
  padding: 16px 18px;
  border-left: 3px solid var(--cinnabar);
  background: linear-gradient(90deg, rgba(179, 58, 43, .18), rgba(179, 58, 43, .03));
}

.page-home .home-notice-title {
  margin: 0 0 7px;
  font-size: .94rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .home-notice p:last-child {
  margin: 0;
  font-size: .87rem;
  line-height: 1.82;
  color: rgba(237, 232, 220, .8);
}

/* 次级链接 */
.page-home .home-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--home-line);
  color: var(--gold-light);
  font-size: .89rem;
  text-decoration: none;
}

.page-home .home-link-arrow span {
  transition: transform .24s var(--ease-out);
}

.page-home .home-link-arrow:hover span,
.page-home .home-link-arrow:focus-visible span {
  transform: translateX(5px);
}

/* 四段步骤 */
.page-home .home-steps-figure {
  margin: 0 0 28px;
  border: 1px solid var(--home-line);
  background: var(--ink-soft);
}

.page-home .home-steps-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 2;
  object-fit: cover;
  opacity: .86;
}

.page-home .home-steps-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--home-line-soft);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--celadon);
}

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

.page-home .home-step-list::before {
  content: "";
  position: absolute;
  top: 14px;
  bottom: 18px;
  left: 20px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(201, 162, 75, .1));
}

.page-home .home-step {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 26px;
}

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

.page-home .home-step-index {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  font-family: var(--font-mono);
  font-size: .86rem;
  letter-spacing: .04em;
  color: var(--gold-light);
  background: var(--ink);
  border: 1px solid var(--gold);
  box-shadow: 0 0 0 5px var(--ink);
  z-index: 1;
}

.page-home .home-step-body {
  padding: 2px 0 20px;
  border-bottom: 1px dashed rgba(216, 210, 198, .12);
}

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

.page-home .home-step-title {
  margin: 0 0 7px;
  font-family: var(--font-serif);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: .04em;
}

.page-home .home-step-line {
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: rgba(237, 232, 220, .78);
}

.page-home .home-step-more {
  margin-top: 10px;
}

.page-home .home-step-more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .73rem;
  letter-spacing: .1em;
  color: var(--celadon);
}

.page-home .home-step-more summary::-webkit-details-marker,
.page-home .home-faq-item summary::-webkit-details-marker {
  display: none;
}

.page-home .home-step-more summary::after {
  content: "＋";
  color: var(--gold);
}

.page-home .home-step-more[open] summary::after {
  content: "－";
  color: var(--cinnabar-soft);
}

.page-home .home-step-more p {
  margin: 10px 0 0;
  padding-left: 13px;
  border-left: 1px solid var(--home-line);
  font-size: .86rem;
  line-height: 1.85;
  color: var(--text-dim);
}

/* 小屏记录 */
.page-home .home-record-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-home .home-record-media {
  position: relative;
  margin: 0;
  border: 1px solid var(--home-line);
  background: var(--ink-soft);
  box-shadow: 3px 3px 0 rgba(79, 111, 100, .16);
  overflow: hidden;
}

.page-home .home-record-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: .88;
}

.page-home .home-record-intro {
  margin: 0;
  font-size: .92rem;
  line-height: 1.88;
  color: rgba(237, 232, 220, .78);
}

.page-home .home-record-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--home-line-soft);
}

.page-home .home-record-list li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(216, 210, 198, .08);
  font-size: .85rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-home .home-record-day {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--bronze);
}

.page-home .home-record-list li:first-child .home-record-day {
  color: var(--gold-light);
}

/* 栏目索引 */
.page-home .home-col-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-home .home-col {
  position: relative;
  display: block;
  padding: 17px 16px 19px;
  border: 1px solid var(--home-line-soft);
  background: rgba(21, 23, 27, .72);
  text-decoration: none;
  transition: border-color .24s var(--ease-out), transform .24s var(--ease-out);
}

.page-home .home-col:hover,
.page-home .home-col:focus-visible {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-home .home-col-no {
  display: block;
  margin-bottom: 9px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--cinnabar-soft);
}

.page-home .home-col h3 {
  margin: 0 0 7px;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .home-col p {
  margin: 0;
  font-size: .84rem;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-home .home-col-extra {
  margin: 18px 0 0;
  font-size: .84rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-home .home-col-extra a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--home-line);
}

/* 高频疑问 */
.page-home .home-faq {
  margin-top: 32px;
}

.page-home .home-faq-title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .home-faq-item {
  border-top: 1px solid var(--home-line-soft);
}

.page-home .home-faq-item:last-of-type {
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .home-faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  list-style: none;
  cursor: pointer;
  font-size: .95rem;
  line-height: 1.6;
  color: var(--paper);
}

.page-home .home-faq-item summary::after {
  content: "＋";
  flex: none;
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--gold);
}

.page-home .home-faq-item[open] summary::after {
  content: "－";
  color: var(--cinnabar-soft);
}

.page-home .home-faq-item p {
  margin: 0;
  padding: 0 0 16px;
  font-size: .87rem;
  line-height: 1.88;
  color: var(--text-dim);
}

/* 客服与下一步 */
.page-home .home-block--support {
  border-bottom: 0;
  padding-bottom: 12px;
}

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

.page-home .home-contact-list {
  margin: 20px 0 22px;
  padding: 0;
  list-style: none;
}

.page-home .home-contact-list li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(216, 210, 198, .08);
  font-size: .91rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-home .home-contact-key {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--celadon);
  padding-top: 2px;
}

.page-home .home-contact-val {
  word-break: break-word;
}

.page-home .home-support-media {
  margin: 0;
  border: 1px solid var(--home-line);
  background: var(--ink-soft);
  overflow: hidden;
}

.page-home .home-support-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  opacity: .82;
}

.page-home .home-next {
  margin-top: 36px;
  padding: 20px 18px 22px;
  border: 1px solid var(--home-line);
  background: linear-gradient(135deg, rgba(35, 49, 58, .62), rgba(21, 23, 27, .92));
}

.page-home .home-next-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-home .home-next-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-next-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 13px;
  border: 1px solid var(--home-line-soft);
  color: var(--paper);
  font-size: .89rem;
  text-decoration: none;
  transition: border-color .24s var(--ease-out), background .24s var(--ease-out);
}

.page-home .home-next-list a:hover,
.page-home .home-next-list a:focus-visible {
  border-color: var(--gold);
  background: rgba(201, 162, 75, .08);
}

/* 显现动效 */
.page-home [data-reveal] {
  transition: opacity .34s var(--ease-out), transform .34s var(--ease-out);
}

.page-home [data-reveal].is-revealed {
  animation: home-rise .42s var(--ease-out) both;
}

.page-home [data-reveal="2"].is-revealed {
  animation-delay: 70ms;
}

.page-home [data-reveal="3"].is-revealed {
  animation-delay: 140ms;
}

.page-home [data-reveal="4"].is-revealed {
  animation-delay: 210ms;
}

@keyframes home-rise {
  from {
    opacity: .001;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 焦点可见 */
.page-home a:focus-visible,
.page-home summary:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 3px;
}

/* 断点：600px */
@media (min-width: 600px) {
  .page-home .home-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

/* 断点：820px */
@media (min-width: 820px) {
  .page-home .home-masthead {
    padding: 28px 0 64px;
  }

  .page-home .home-masthead-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 44px;
  }

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

  .page-home .home-record-grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 34px;
  }

  .page-home .home-support-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 38px;
  }

  .page-home .home-block {
    padding: 54px 0;
  }

  .page-home .home-step {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 22px;
  }

  .page-home .home-step-index {
    width: 48px;
    height: 48px;
    font-size: .92rem;
  }

  .page-home .home-step-list::before {
    left: 23px;
  }
}

/* 断点：980px —— 左侧索引固定 */
@media (min-width: 980px) {
  .page-home .home-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 48px;
  }

  .page-home .home-rail {
    position: sticky;
    top: 92px;
    align-self: start;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    padding: 44px 0 24px 20px;
    border-bottom: 0;
    border-left: 1px solid var(--home-line);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home [data-reveal].is-revealed {
    animation: none;
  }

  .page-home [data-reveal],
  .page-home .home-col,
  .page-home .home-link-arrow span,
  .page-home .home-rail-link,
  .page-home .home-next-list a {
    transition: none;
  }

  .page-home .home-link-arrow:hover span {
    transform: none;
  }

  .page-home .home-col:hover {
    transform: none;
  }
}