.page-home {
  --home-pad: clamp(20px, 5vw, 56px);
  --home-sec: clamp(56px, 9vw, 108px);
  --home-muted-dark: #C3CFE2;
  --home-muted-light: #4D5D75;
  background: var(--deep);
  color: var(--silver);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-home .wrap {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--home-pad);
}

/* ---------- 封面 ---------- */
.page-home .cover {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  border-bottom: 1px solid var(--hairline);
}

.page-home .cover__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .cover__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.page-home .cover__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 21, 48, 0.55) 0%, rgba(6, 21, 48, 0.86) 58%, var(--deep) 100%),
    linear-gradient(112deg, rgba(255, 106, 26, 0.16) 0%, rgba(255, 106, 26, 0) 46%);
}

.page-home .cover::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, var(--hairline) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, var(--hairline) 0 1px, transparent 1px 24px);
  opacity: 0.55;
}

.page-home .cover__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(34px, 6vw, 64px);
  padding-block: clamp(64px, 11vw, 124px) clamp(40px, 7vw, 76px);
}

.page-home .cover__title {
  margin: 18px 0 0;
  position: relative;
  padding-left: clamp(14px, 2vw, 24px);
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .cover__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.14em;
  bottom: 0.14em;
  width: 4px;
  background: linear-gradient(180deg, var(--orange), var(--ember));
}

.page-home .cover__lead {
  margin: 22px 0 0;
  max-width: 58ch;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.8;
  color: var(--silver);
}

.page-home .cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.page-home .cover__index {
  border-top: 1px solid var(--hairline-strong);
  padding-top: 18px;
}

.page-home .cover__index-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--silver);
  opacity: 0.7;
}

.page-home .cover__index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .cover__index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 10px;
  border-left: 1px solid var(--hairline);
  color: var(--cold);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.28s var(--ease), border-color 0.28s var(--ease), background-color 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-home .cover__index-list a:hover,
.page-home .cover__index-list a:focus-visible {
  color: var(--orange);
  border-left-color: var(--orange);
  background: rgba(255, 106, 26, 0.08);
  transform: translateX(4px);
}

.page-home .cover__index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--orange);
}

/* ---------- 章节骨架 ---------- */
.page-home .sec {
  position: relative;
  padding-block: var(--home-sec);
}

.page-home .sec--night { background: var(--night); }
.page-home .sec--deep { background: var(--deep); }
.page-home .sec--about { background: var(--ink); }
.page-home .sec--cold {
  background: var(--cold);
  color: var(--ink);
}

.page-home .sec--cold::before {
  content: "";
  position: absolute;
  inset: -2.4vw 0 auto 0;
  height: 5vw;
  background: var(--cold);
  transform: skewY(-1.6deg);
  transform-origin: 0 0;
  z-index: 0;
}

.page-home .sec > .wrap {
  position: relative;
  z-index: 1;
}

.page-home .sec__head {
  display: grid;
  gap: 14px;
}

.page-home .sec__title {
  margin: 0;
  font-size: clamp(1.5rem, 3.4vw, 2.35rem);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .sec--cold .sec__title { color: var(--ink); }

.page-home .sec__note {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--home-muted-dark);
}

.page-home .sec--cold .sec__note { color: var(--home-muted-light); }

.page-home .sec-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2rem, 6vw, 3.4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(195, 207, 226, 0.42);
}

.page-home .sec--cold .sec-num {
  -webkit-text-stroke-color: rgba(5, 11, 22, 0.28);
}

/* ---------- 01 人群入口 ---------- */
.page-home .crowd {
  list-style: none;
  margin: clamp(30px, 4.5vw, 48px) 0 0;
  padding: 0;
  border-top: 1px solid var(--hairline-strong);
}

.page-home .crowd__row {
  border-bottom: 1px solid var(--hairline);
}

.page-home .crowd__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "idx name arrow"
    "idx desc arrow";
  align-items: center;
  gap: 4px 16px;
  padding: clamp(16px, 2.2vw, 24px) clamp(12px, 1.6vw, 20px);
  color: var(--cold);
  text-decoration: none;
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-home .crowd__link:hover,
.page-home .crowd__link:focus-visible {
  transform: translateX(10px);
  background: rgba(44, 107, 224, 0.14);
  outline: none;
}

.page-home .crowd__link:focus-visible {
  box-shadow: inset 0 0 0 2px var(--orange);
}

.page-home .crowd__idx {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
  letter-spacing: 0.06em;
}

.page-home .crowd__name {
  grid-area: name;
  align-self: end;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--paper);
}

.page-home .crowd__desc {
  grid-area: desc;
  align-self: start;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
  max-width: 62ch;
}

.page-home .crowd__arrow {
  grid-area: arrow;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--orange);
  opacity: 0.45;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-home .crowd__link:hover .crowd__arrow,
.page-home .crowd__link:focus-visible .crowd__arrow {
  opacity: 1;
  transform: translateX(4px);
}

.page-home .crowd__foot {
  display: grid;
  gap: 18px;
  margin-top: clamp(28px, 4vw, 40px);
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--orange);
  background: rgba(11, 34, 70, 0.72);
}

.page-home .crowd__foot-text {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--home-muted-dark);
}

.page-home .crowd__foot .btn { justify-self: start; }

/* ---------- 02 数据看板 ---------- */
.page-home .data__figure {
  position: relative;
  margin: clamp(28px, 4.5vw, 44px) 0 0;
  border: 1px solid var(--hairline);
  overflow: hidden;
}

.page-home .data__figure img {
  display: block;
  width: 100%;
  height: clamp(180px, 30vw, 360px);
  object-fit: cover;
}

.page-home .data__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(112deg, rgba(6, 21, 48, 0.72) 0%, rgba(6, 21, 48, 0.12) 62%);
  pointer-events: none;
}

.page-home .data__grid {
  display: grid;
  gap: clamp(22px, 3vw, 32px);
  margin-top: clamp(28px, 4vw, 40px);
}

.page-home .data__panel {
  border: 1px solid var(--hairline);
  background: var(--night);
  padding: clamp(16px, 2.4vw, 24px);
}

.page-home .data__chart svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .chart__pulse {
  transform-box: fill-box;
  transform-origin: center;
  animation: homeNodePulse 2.6s var(--ease) infinite;
}

@keyframes homeNodePulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.08; transform: scale(2.1); }
}

.page-home .data__legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 16px 0 0;
  padding: 0;
}

.page-home .data__legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--silver);
}

.page-home .data__swatch {
  width: 16px;
  height: 3px;
  display: inline-block;
}

.page-home .data__swatch--a { background: var(--signal); }
.page-home .data__swatch--b { background: var(--orange); }

.page-home .data__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-home .data__stat {
  background: var(--night);
  padding: clamp(18px, 2.6vw, 26px) clamp(14px, 2vw, 20px);
}

.page-home .data__stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
  letter-spacing: -0.01em;
}

.page-home .data__stat-unit {
  font-size: 0.5em;
  color: var(--ember);
  margin-left: 4px;
}

.page-home .data__stat-label {
  display: block;
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--silver);
}

/* ---------- 03 档位与专区 ---------- */
.page-home .tier__scroll {
  margin-top: clamp(28px, 4vw, 42px);
  overflow-x: auto;
  border: 1px solid rgba(5, 11, 22, 0.12);
  background: var(--paper);
}

.page-home .tier__table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-home .tier__table th,
.page-home .tier__table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(5, 11, 22, 0.1);
}

.page-home .tier__table thead th {
  background: var(--deep);
  color: var(--paper);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.page-home .tier__table thead th:first-child { color: var(--silver); }

.page-home .tier__table tbody th {
  background: #EDF2FA;
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
}

.page-home .tier__table tbody tr:hover th,
.page-home .tier__table tbody tr:hover td {
  background: rgba(255, 106, 26, 0.1);
}

.page-home .tier__table tbody tr:last-child th,
.page-home .tier__table tbody tr:last-child td { border-bottom: 0; }

.page-home .tier__cta {
  margin: clamp(20px, 3vw, 28px) 0 0;
}

.page-home .zone {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(44px, 7vw, 76px);
}

.page-home .zone__title {
  margin: 0;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 800;
  color: var(--ink);
}

.page-home .zone__lead {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--home-muted-light);
}

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

.page-home .zone__item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid rgba(5, 11, 22, 0.12);
}

.page-home .zone__item:last-child { border-bottom: 1px solid rgba(5, 11, 22, 0.12); }

.page-home .zone__name {
  font-weight: 700;
  color: var(--ink);
  font-size: 16px;
}

.page-home .zone__desc {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--home-muted-light);
}

.page-home .zone__cta { margin: 24px 0 0; }

.page-home .zone__media {
  margin: 0;
  border: 1px solid rgba(5, 11, 22, 0.12);
  overflow: hidden;
}

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

/* ---------- 04 客户端 ---------- */
.page-home .client {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(28px, 4.5vw, 46px);
}

.page-home .client__version {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 16px;
  margin: 0;
  padding: 16px 18px;
  border: 1px solid var(--hairline-strong);
  border-left: 3px solid var(--orange);
  background: rgba(6, 21, 48, 0.6);
}

.page-home .client__version-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--silver);
}

.page-home .client__version-num {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-home .client__version-note {
  font-size: 13px;
  color: var(--silver);
}

.page-home .client__platforms {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
}

.page-home .client__platforms li {
  padding: 7px 14px;
  border: 1px solid var(--hairline-strong);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cold);
}

.page-home .client__lead {
  margin: 22px 0 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--home-muted-dark);
}

.page-home .client__criteria {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-home .client__criterion {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 13px 16px;
  background: var(--night);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--silver);
}

.page-home .client__criterion-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  letter-spacing: 0.06em;
}

.page-home .client__cta { margin: 26px 0 0; }

.page-home .client__media {
  margin: 0;
  border: 1px solid var(--hairline);
  overflow: hidden;
}

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

/* ---------- 05 服务保障 ---------- */
.page-home .support {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(28px, 4.5vw, 46px);
}

.page-home .support__channels {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(5, 11, 22, 0.14);
}

.page-home .support__channel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(5, 11, 22, 0.14);
}

.page-home .support__channel-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
  padding-top: 2px;
}

.page-home .support__channel-body {
  display: grid;
  gap: 6px;
}

.page-home .support__channel-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-home .support__channel-desc {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--home-muted-light);
}

.page-home .support__aside {
  padding: clamp(20px, 3vw, 28px);
  background: var(--paper);
  border: 1px solid rgba(5, 11, 22, 0.12);
  border-top: 3px solid var(--signal);
}

.page-home .support__metric {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin: 0;
}

.page-home .support__metric-num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 700;
  line-height: 1;
  color: var(--signal);
}

.page-home .support__metric-unit {
  font-size: 0.48em;
  color: var(--tactic);
  margin-left: 4px;
}

.page-home .support__metric-label {
  font-size: 13.5px;
  color: var(--home-muted-light);
}

.page-home .support__text {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--home-muted-light);
}

.page-home .support__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin: 22px 0 0;
}

.page-home .support__link {
  display: inline-block;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 2px;
  transition: color 0.26s var(--ease), border-color 0.26s var(--ease);
}

.page-home .support__link:hover,
.page-home .support__link:focus-visible {
  color: var(--orange);
  border-color: var(--ink);
  outline: none;
}

/* ---------- 06 平台与团队 ---------- */
.page-home .about__facts {
  list-style: none;
  margin: clamp(28px, 4.5vw, 46px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(195, 207, 226, 0.14);
  border: 1px solid var(--hairline);
}

.page-home .about__fact {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 2.6vw, 24px);
  background: var(--ink);
}

.page-home .about__fact-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-home .about__fact-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--home-muted-dark);
}

.page-home .about__cta {
  margin: 26px 0 0;
}

.page-home .closing {
  margin-top: clamp(44px, 7vw, 76px);
  padding-top: clamp(26px, 4vw, 38px);
  border-top: 1px solid var(--hairline);
  display: grid;
  gap: 18px;
}

.page-home .closing .rule {
  display: block;
  width: 72px;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--ember), rgba(255, 146, 69, 0));
}

.page-home .closing__text {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 700;
  line-height: 1.65;
  color: var(--paper);
}

.page-home .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .sec__head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px 28px;
    align-items: start;
  }

  .page-home .crowd__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

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

@media (min-width: 900px) {
  .page-home .cover__inner {
    grid-template-columns: minmax(0, 1fr) 296px;
    align-items: end;
  }

  .page-home .data__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .data__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .tier__table tbody th {
    position: sticky;
    left: 0;
    z-index: 1;
  }

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

  .page-home .client {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-home .support {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-home .about__facts { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .chart__pulse { animation: none; }
  .page-home .crowd__link,
  .page-home .crowd__arrow,
  .page-home .cover__index-list a,
  .page-home .support__link { transition: none; }
  .page-home .crowd__link:hover,
  .page-home .crowd__link:focus-visible { transform: none; }
}