.page-home {
  display: block;
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: clip;
}

.page-home .shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: 20px;
  box-sizing: border-box;
}

.page-home .shell--narrow {
  max-width: 820px;
}

/* ---------- 顶部路径指示 ---------- */

.page-home .rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(8, 18, 42, .88);
  scrollbar-width: none;
}

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

.page-home .rail__item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--paper-dim);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-home .rail__item:hover {
  color: var(--gold-lite);
  border-color: rgba(227, 182, 102, .5);
}

.page-home .rail__item[aria-current] {
  color: var(--coral);
  border-color: var(--coral);
  background: rgba(255, 106, 69, .08);
}

.page-home .rail__idx {
  color: var(--gold);
}

.page-home .rail__item[aria-current] .rail__idx {
  color: var(--coral);
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: 46px 0 62px;
  background:
    radial-gradient(120% 118% at 86% 6%, rgba(227, 182, 102, .14), transparent 58%),
    linear-gradient(160deg, var(--ink-900) 6%, var(--ink-800) 54%, var(--rail) 100%);
  isolation: isolate;
}

.page-home .hero__cut {
  position: absolute;
  top: -36%;
  right: -48%;
  width: 122%;
  height: 162%;
  background: conic-gradient(from 214deg at 34% 42%,
    rgba(227, 182, 102, .22),
    rgba(255, 106, 69, .18) 26%,
    rgba(122, 108, 240, .22) 52%,
    rgba(63, 168, 160, .14) 74%,
    rgba(227, 182, 102, .22) 100%);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 58%);
  opacity: .5;
  pointer-events: none;
  z-index: -1;
}

.page-home .hero__inner {
  position: relative;
  display: grid;
  gap: 34px;
  grid-template-columns: 1fr;
}

.page-home .hero__kicker {
  margin: 0 0 16px;
  color: var(--gold-lite);
  letter-spacing: .06em;
  line-height: 1.7;
}

.page-home .hero__title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(29px, 7.4vw, 52px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-home .hero__lead {
  margin: 0 0 26px;
  max-width: 36ch;
  color: var(--paper-dim);
}

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

.page-home .hero__visual {
  position: relative;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 28px 64px -34px rgba(0, 0, 0, .95);
}

.page-home .hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 通用章节 ---------- */

.page-home .section {
  padding: 56px 0;
}

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

.page-home .section__head {
  margin-bottom: 30px;
}

.page-home .section__idx {
  display: block;
  margin-bottom: 10px;
  color: var(--gold);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.page-home .section__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-home .lede {
  margin: 0 0 24px;
  max-width: 42ch;
  color: var(--paper-dim);
  font-size: 16px;
  line-height: 1.9;
}

/* ---------- 网格骨架 ---------- */

.page-home .grid--split {
  display: grid;
  gap: 26px;
  grid-template-columns: 1fr;
}

.page-home .side-note {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-home .side-note__num {
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-home .side-note__text {
  color: var(--paper-faint);
  letter-spacing: .06em;
}

/* ---------- 三条路径 ---------- */

.page-home .tracks__intro {
  margin: 0;
  max-width: 40ch;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.85;
}

.page-home .tracks__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-home .track {
  position: relative;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
  transition: border-color .22s var(--ease), transform .22s var(--ease);
}

.page-home .track::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), rgba(227, 182, 102, 0));
}

.page-home .track--b::before {
  background: linear-gradient(180deg, var(--violet), rgba(122, 108, 240, 0));
}

.page-home .track--c::before {
  background: linear-gradient(180deg, var(--jade), rgba(63, 168, 160, 0));
}

.page-home .track:hover {
  border-color: rgba(227, 182, 102, .5);
  transform: translateY(-3px);
}

.page-home .track__link {
  display: flex;
  gap: 16px;
  padding: 22px 20px 16px;
  color: inherit;
  text-decoration: none;
}

.page-home .track__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold);
}

.page-home .track--b .track__num {
  color: var(--violet);
}

.page-home .track--c .track__num {
  color: var(--jade);
}

.page-home .track__body {
  display: block;
  min-width: 0;
}

.page-home .track__name {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-home .track__hint {
  display: block;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-home .track__preview {
  margin: 0;
  padding: 12px 20px 16px;
  border-top: 1px dashed var(--line-soft);
  color: var(--paper-faint);
  font-size: 12px;
  line-height: 1.7;
}

/* ---------- 会员中心 ---------- */

.page-home .member {
  background: linear-gradient(180deg, rgba(16, 32, 63, .5), rgba(8, 18, 42, 0));
}

.page-home .step-list {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
}

.page-home .step {
  position: relative;
  padding: 0 0 22px 46px;
}

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

.page-home .step::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 32px;
  bottom: -2px;
  width: 1px;
  background: var(--line-soft);
}

.page-home .step:last-child::before {
  display: none;
}

.page-home .step__idx {
  position: absolute;
  left: 0;
  top: 0;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border: 1px solid var(--rail);
  border-radius: 50%;
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  transition: border-color .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-home .step[aria-current="true"] .step__idx {
  border-color: var(--coral);
  color: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 106, 69, .12);
}

.page-home .step__body {
  display: block;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-dim);
}

.page-home .step__body strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 图片容器 ---------- */

.page-home .figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-800);
  overflow: hidden;
}

.page-home .figure__media {
  display: block;
  background: linear-gradient(150deg, var(--ink-800), var(--rail));
}

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

.page-home .figure__cap {
  margin: 0;
  padding: 12px 16px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--paper-faint);
}

/* ---------- 跨端继续浏览 ---------- */

.page-home .devices {
  background: linear-gradient(180deg, rgba(27, 51, 88, .34), rgba(8, 18, 42, 0));
}

.page-home .devices__grid {
  display: grid;
  gap: 30px;
  grid-template-columns: 1fr;
}

.page-home .devices__facts {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  margin-bottom: 22px;
}

.page-home .fact {
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--violet);
  border-radius: 10px;
  background: rgba(16, 32, 63, .55);
}

.page-home .fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--gold-lite);
  margin-bottom: 6px;
}

.page-home .fact__unit {
  margin-left: 4px;
  font-size: 14px;
  color: var(--paper-dim);
}

.page-home .fact__desc {
  display: block;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-home .devices__note {
  margin: 0 0 20px;
  color: var(--paper-faint);
  line-height: 1.8;
}

/* ---------- 指引与资源 ---------- */

.page-home .guides__stats {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
  margin-bottom: 30px;
}

.page-home .stat {
  padding: 18px;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: var(--panel);
}

.page-home .stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--jade);
  margin-bottom: 8px;
}

.page-home .stat__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .stat__hint {
  display: block;
  font-size: 13px;
  line-height: 1.75;
  color: var(--paper-faint);
}

.page-home .guides__sub {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .data-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  font-size: 14px;
}

.page-home .data-table caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 10px;
  color: var(--paper-faint);
}

.page-home .data-table th,
.page-home .data-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
  line-height: 1.75;
}

.page-home .data-table th {
  width: 34%;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--gold);
  white-space: nowrap;
}

.page-home .data-table td {
  color: var(--paper-dim);
}

.page-home .guides__note {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--paper-dim);
}

.page-home .guides__note a {
  color: var(--gold-lite);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .guides__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-home .guides__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

/* ---------- 折叠区 ---------- */

.page-home .disclosure {
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: rgba(16, 32, 63, .5);
  overflow: hidden;
}

.page-home .disclosure + .disclosure {
  margin-top: 12px;
}

.page-home .disclosure__summary {
  padding: 16px 18px;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.page-home .disclosure__summary::before {
  content: "＋";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--coral);
}

.page-home .disclosure[open] .disclosure__summary::before {
  content: "－";
}

.page-home .disclosure__body {
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--paper-dim);
}

.page-home .disclosure__body p {
  margin: 0;
}

.page-home .disclosure__body a {
  color: var(--gold-lite);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 值守 ---------- */

.page-home .duty {
  background: linear-gradient(180deg, rgba(27, 51, 88, .28), rgba(8, 18, 42, 0));
}

.page-home .duty__intro {
  margin: 0;
  max-width: 42ch;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.85;
}

.page-home .duty__layout {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

.page-home .duty__panel {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}

.page-home .duty__row {
  padding: 18px 20px;
}

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

.page-home .duty__label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--copper);
}

.page-home .duty__desc {
  display: block;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-dim);
}

.page-home .duty__metrics {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 22px;
}

.page-home .metric {
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: rgba(16, 32, 63, .5);
}

.page-home .metric__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 25px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--gold);
  margin-bottom: 6px;
}

.page-home .metric__unit {
  margin-left: 3px;
  font-size: 13px;
  color: var(--paper-dim);
}

.page-home .metric__label {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper-faint);
}

.page-home .duty__foot {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--paper-dim);
}

/* ---------- 三个快问 ---------- */

.page-home .quick__list {
  margin-bottom: 30px;
}

.page-home .quick__end {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: rgba(16, 32, 63, .45);
}

.page-home .quick__end .mono-note {
  margin: 0;
  color: var(--paper-faint);
  line-height: 1.8;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-home .hero {
    padding: 60px 0 78px;
  }

  .page-home .section {
    padding: 72px 0;
  }

  .page-home .tracks__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

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

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

@media (min-width: 900px) {
  .page-home .rail {
    position: sticky;
    top: 0;
    z-index: 12;
    padding-inline: 32px;
    backdrop-filter: blur(10px);
  }

  .page-home .shell {
    padding-inline: 32px;
  }

  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: 56px;
    align-items: center;
  }

  .page-home .grid--split {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 48px;
  }

  .page-home .side-note {
    display: block;
    padding-top: 6px;
  }

  .page-home .side-note__num {
    display: block;
    margin-bottom: 10px;
    font-size: 44px;
  }

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

  .page-home .devices__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 52px;
    align-items: center;
  }

  .page-home .duty__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-home .data-table th {
    width: 26%;
  }
}

@media (min-width: 1120px) {
  .page-home .hero__title {
    font-size: 54px;
  }

  .page-home .duty__layout {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.25fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .track,
  .page-home .step__idx,
  .page-home .rail__item {
    transition: none;
  }

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