.page-home {
  --home-body: #3c4d59;
  --home-week-bg: #eef3f7;
  background: var(--frost);
  color: var(--ink);
  overflow-x: clip;
}

.page-home img {
  max-width: 100%;
}

/* ---------- 侧边轨道 ---------- */
.page-home .rail {
  display: none;
}

@media (min-width: 1440px) {
  .page-home .rail {
    position: fixed;
    left: 22px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 16px 10px 12px;
    background: var(--glass);
    border: var(--line);
    border-radius: 999px;
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
  }
}

.page-home .rail-rule {
  width: 2px;
  height: 26px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--signal), var(--signal-soft));
}

.page-home .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-home .rail-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ice-blue);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-home .rail-link:hover {
  color: var(--ink-blue);
  border-color: var(--pale-blue);
}

.page-home .rail-link[aria-current] {
  background: var(--signal);
  border-color: var(--signal);
  color: #fff;
}

.page-home .rail-sub {
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--signal);
  text-decoration: none;
  writing-mode: vertical-rl;
}

/* ---------- 首屏框景 ---------- */
.page-home .hero {
  background: var(--night-blue);
  padding: clamp(12px, 2.2vw, 24px) clamp(12px, 2.2vw, 24px) 0;
}

.page-home .hero-frame {
  position: relative;
  max-width: var(--width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "media" "copy";
  border: 1px solid rgba(201, 216, 226, 0.4);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--night-blue);
  box-shadow: 0 30px 70px -50px rgba(0, 0, 0, 0.9);
}

.page-home .hero-frame::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(201, 216, 226, 0.18);
  border-radius: calc(var(--radius-lg) - 6px);
  pointer-events: none;
  z-index: 3;
}

.page-home .hero-side {
  display: none;
}

.page-home .hero-side-no {
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--signal);
}

.page-home .hero-side-rule {
  flex: 1;
  width: 1px;
  background: linear-gradient(180deg, rgba(201, 216, 226, 0.55), rgba(201, 216, 226, 0));
}

.page-home .hero-side-label {
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: 0.34em;
  color: var(--ice-blue);
}

.page-home .hero-media {
  grid-area: media;
  position: relative;
  min-height: clamp(230px, 46vw, 560px);
  overflow: hidden;
  background: linear-gradient(160deg, #123f5c, #072a42);
}

.page-home .hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.85) brightness(0.9);
}

.page-home .hero-glass {
  position: absolute;
  left: clamp(12px, 2.4vw, 24px);
  bottom: clamp(12px, 2.4vw, 24px);
  z-index: 2;
  max-width: 290px;
  padding: 13px 15px;
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid rgba(201, 216, 226, 0.75);
  backdrop-filter: blur(12px);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.page-home .hero-glass-no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal);
  margin-bottom: 6px;
}

.page-home .hero-glass p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-home .hero-copy {
  grid-area: copy;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  padding: clamp(22px, 4vw, 44px);
  background: linear-gradient(180deg, rgba(7, 42, 66, 0.94), rgba(7, 42, 66, 0.82));
  color: var(--frost);
}

.page-home .hero .breadcrumb {
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-home .hero .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: rgba(201, 216, 226, 0.72);
}

.page-home .hero .breadcrumb-list a {
  color: var(--frost);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 216, 226, 0.4);
}

.page-home .hero .breadcrumb-list a:hover {
  border-bottom-color: var(--signal);
}

.page-home .eyebrow {
  margin: 0;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--signal);
}

.page-home .hero-copy .eyebrow {
  color: var(--signal-soft);
}

.page-home .hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 5.4vw, 3.5rem);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-home .hero-lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(247, 249, 251, 0.82);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-home .hero-note {
  margin: 0;
  padding-left: 10px;
  border-left: 2px solid var(--signal);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  line-height: 1.7;
  color: var(--ice-blue);
}

.page-home .hero-scroll {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--ice-blue);
  text-decoration: none;
  border-bottom: 1px dashed rgba(201, 216, 226, 0.45);
  padding-bottom: 5px;
}

.page-home .hero-scroll:hover {
  color: var(--signal-soft);
  border-bottom-color: var(--signal-soft);
}

.page-home .hero-scroll-arrow {
  font-family: var(--font-mono);
  animation: home-cue 2.4s ease-in-out infinite;
}

@keyframes home-cue {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(3px); }
}

/* ---------- 按钮页内调整 ---------- */
.page-home .btn--primary {
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-home .btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -18px rgba(242, 100, 25, 0.95);
}

.page-home .hero-actions .btn--primary::after {
  content: "→";
  margin-left: 8px;
  font-family: var(--font-mono);
  transition: transform 0.18s ease;
}

.page-home .hero-actions .btn--primary:hover::after {
  transform: translateX(3px);
}

.page-home .btn--ghost {
  border: 1px solid var(--ink-blue);
  color: var(--ink-blue);
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.page-home .btn--ghost:hover {
  background: var(--ink-blue);
  color: var(--frost);
  transform: translateY(-2px);
}

.page-home .hero .btn--ghost {
  border-color: rgba(247, 249, 251, 0.5);
  color: var(--frost);
}

.page-home .hero .btn--ghost:hover {
  background: var(--frost);
  color: var(--night-blue);
}

.page-home .btn:focus-visible,
.page-home .link-arrow:focus-visible,
.page-home .rail-link:focus-visible,
.page-home .rail-sub:focus-visible,
.page-home .hero-scroll:focus-visible,
.page-home .link-inline:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

/* ---------- 章节骨架 ---------- */
.page-home .section {
  padding: clamp(52px, 9vw, 104px) 0;
}

.page-home .section-head {
  position: relative;
  max-width: 720px;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-home .chapter-no {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(48px, 9vw, 88px);
  line-height: 0.78;
  letter-spacing: 0.04em;
  color: var(--pale-blue);
  margin-bottom: -0.14em;
  position: relative;
  z-index: 0;
  user-select: none;
}

.page-home .section-head h2 {
  position: relative;
  z-index: 1;
  margin: 0.18em 0 0.5em;
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--ink-blue);
}

.page-home .section-lead {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--home-body);
}

.page-home .link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--pale-blue);
  padding-bottom: 3px;
}

.page-home .link-arrow::after {
  content: "→";
  font-family: var(--font-mono);
  transition: transform 0.18s ease;
}

.page-home .link-arrow:hover {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-home .link-arrow:hover::after {
  transform: translateX(4px);
}

.page-home .link-inline {
  color: var(--ink-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--pale-blue);
}

.page-home .link-inline:hover {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-home .figure-media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: linear-gradient(150deg, #123f5c, #072a42);
}

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

.page-home .figure-caption {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ice-blue);
}

/* ---------- 02 订阅之后 ---------- */
.page-home .section--gain {
  background: linear-gradient(180deg, var(--frost), #ffffff);
}

.page-home .gain-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

.page-home .gain-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  padding: 22px 0;
  border-top: var(--line);
}

.page-home .gain-item:last-child {
  border-bottom: var(--line);
}

.page-home .gain-no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--signal);
  padding-top: 5px;
}

.page-home .gain-item h3 {
  margin: 0 0 8px;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  line-height: 1.4;
  color: var(--ink-blue);
}

.page-home .gain-item p {
  margin: 0 0 12px;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--home-body);
}

.page-home .gain-figure {
  margin: 0;
}

.page-home .gain-figure .figure-media {
  aspect-ratio: 4 / 3;
}

/* ---------- 03 服务中心 ---------- */
.page-home .section--center {
  background: var(--cream);
}

.page-home .center-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.page-home .fields-intro {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--home-body);
  max-width: 54ch;
}

.page-home .field-list {
  margin: 0;
  border-bottom: var(--line);
}

.page-home .field {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
  padding: 16px 0;
  border-top: var(--line);
}

.page-home .field dt {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-blue);
  letter-spacing: 0.01em;
}

.page-home .field dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--home-body);
}

.page-home .aside-note {
  border-left: 2px solid var(--signal);
  padding: 2px 0 2px 16px;
  font-size: 14px;
  line-height: 1.82;
  color: var(--ink-blue);
}

.page-home .aside-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--signal);
  text-transform: uppercase;
}

.page-home .aside-note p {
  margin: 0 0 12px;
}

.page-home .wide-figure {
  margin: clamp(34px, 5vw, 60px) 0 0;
}

.page-home .wide-figure .figure-media {
  aspect-ratio: 21 / 9;
}

/* ---------- 04 本周场次 ---------- */
.page-home .section--week {
  background: linear-gradient(180deg, var(--home-week-bg), var(--frost));
}

.page-home .week-hint {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ice-blue);
}

.page-home .timeline {
  display: grid;
  gap: 26px;
  margin-bottom: 30px;
}

.page-home .tl-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--ink-blue);
}

.page-home .tl-code {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  padding: 3px 7px;
  border-radius: 4px;
  background: var(--ink-blue);
  color: var(--frost);
}

.page-home .tl-list {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-home .tl-item {
  flex: 0 0 82%;
  scroll-snap-align: start;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  min-height: 44px;
  padding: 16px 16px 18px;
  background: var(--frost);
  border: var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-home .tl-item:hover {
  border-color: var(--ink-blue);
  transform: translateY(-2px);
}

.page-home .tl-dot {
  display: none;
}

.page-home .tl-time {
  font-family: var(--font-mono);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-blue);
}

.page-home .tl-match {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-home .tl-meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ice-blue);
}

.page-home .tl-status {
  justify-self: start;
  margin-top: 4px;
  padding: 2px 9px;
  border: 1px solid var(--pale-blue);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ice-blue);
}

.page-home .tl-status--ok {
  border-color: rgba(242, 100, 25, 0.5);
  color: var(--signal);
}

/* ---------- 05 信任数据 ---------- */
.page-home .section--trust {
  background: var(--frost);
}

.page-home .trust-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 42px);
  align-items: start;
}

.page-home .trust-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: var(--line);
  border-left: var(--line);
}

.page-home .trust-cell {
  padding: clamp(16px, 2.6vw, 26px);
  border-right: var(--line);
  border-bottom: var(--line);
}

.page-home .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.6vw, 44px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--ink-blue);
}

.page-home .stat-unit {
  margin-left: 5px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ice-blue);
}

.page-home .trust-cell p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--home-body);
}

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

.page-home .trust-figure .figure-media {
  aspect-ratio: 1 / 1;
}

.page-home .trust-foot {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  padding-top: 16px;
  border-top: var(--line);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ice-blue);
}

/* ---------- 06 四步上手 ---------- */
.page-home .section--steps {
  background: var(--cream);
}

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

.page-home .step {
  padding: 18px 0 20px;
  border-top: 2px solid var(--pale-blue);
}

.page-home .step:first-child {
  border-top-color: var(--signal);
}

.page-home .step-no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--signal);
}

.page-home .step h3 {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.45;
  color: var(--ink-blue);
}

.page-home .step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--home-body);
}

.page-home .steps-note {
  margin: 24px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--ink-blue);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-blue);
}

/* ---------- 07 收尾 ---------- */
.page-home .closing {
  background: var(--ink-blue);
  color: var(--frost);
  padding: clamp(46px, 8vw, 88px) 0;
}

.page-home .closing .eyebrow {
  color: var(--signal-soft);
}

.page-home .closing h2 {
  margin: 0.2em 0 0.5em;
  font-size: clamp(1.7rem, 4.4vw, 2.8rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-home .closing p {
  max-width: 54ch;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(247, 249, 251, 0.82);
}

.page-home .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 20px;
}

.page-home .closing .btn--ghost {
  border-color: rgba(247, 249, 251, 0.45);
  color: var(--frost);
}

.page-home .closing .btn--ghost:hover {
  background: var(--frost);
  color: var(--night-blue);
}

.page-home .closing-note {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid rgba(201, 216, 226, 0.28);
  font-size: 12.5px;
  color: var(--ice-blue);
}

.page-home .closing-note a {
  color: var(--frost);
  text-decoration: none;
  border-bottom: 1px solid rgba(247, 249, 251, 0.45);
}

.page-home .closing-note a:hover {
  color: var(--signal-soft);
  border-bottom-color: var(--signal-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-home .trust-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .tl-item {
    flex: 0 0 66%;
  }
}

@media (min-width: 760px) {
  .page-home .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 20px;
  }

  .page-home .step {
    padding: 18px 0 0;
  }

  .page-home .week-hint {
    display: none;
  }

  .page-home .tl-list {
    display: block;
    overflow: visible;
    padding: 0 0 0 22px;
    border-left: 1px solid var(--pale-blue);
  }

  .page-home .tl-item {
    position: relative;
    display: grid;
    grid-template-columns: 118px minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 0 20px;
    padding: 14px 0;
    background: transparent;
    border: 0;
    border-bottom: 1px solid rgba(201, 216, 226, 0.65);
    border-radius: 0;
  }

  .page-home .tl-item:hover {
    transform: none;
    border-color: rgba(201, 216, 226, 0.65);
  }

  .page-home .tl-item:last-child {
    border-bottom: 0;
  }

  .page-home .tl-dot {
    display: block;
    position: absolute;
    left: -28px;
    top: 21px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--frost);
    border: 2px solid var(--ink-blue);
    transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  }

  .page-home .tl-item:hover .tl-dot {
    transform: scale(1.34);
    background: var(--signal);
    border-color: var(--signal);
  }

  .page-home .tl-status {
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .page-home .hero-frame {
    grid-template-columns: 68px minmax(0, 1.08fr) minmax(0, 1fr);
    grid-template-areas: "side media copy";
    min-height: clamp(480px, 68vh, 720px);
  }

  .page-home .hero-side {
    grid-area: side;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 30px 0 26px;
    border-right: 1px solid rgba(201, 216, 226, 0.24);
  }

  .page-home .hero-media {
    min-height: 100%;
  }

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

  .page-home .gain-figure {
    margin-top: 54px;
  }

  .page-home .center-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-home .field {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-home .trust-layout {
    grid-template-columns: minmax(0, 1fr) 268px;
  }
}

@media (max-width: 480px) {
  .page-home .hero-glass {
    max-width: none;
    right: clamp(12px, 2.4vw, 24px);
  }

  .page-home .hero-glass p {
    font-size: 12px;
  }

  .page-home .tl-item {
    flex: 0 0 88%;
  }
}