.page-home {
  --ph-gap: clamp(28px, 4vw, 56px);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 封面信息带 ---------- */
.page-home .cover {
  position: relative;
  overflow: hidden;
  padding: clamp(96px, 13vw, 156px) 0 clamp(56px, 8vw, 100px);
  border-bottom-left-radius: var(--radius-xl);
  border-bottom-right-radius: var(--radius-xl);
  isolation: isolate;
}
.page-home .cover__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .42;
  z-index: 0;
}
.page-home .cover::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(104deg, var(--ink-900) 8%, rgba(10, 16, 48, .86) 48%, rgba(58, 42, 114, .58) 100%);
}
.page-home .cover .shell {
  position: relative;
  z-index: 2;
}
.page-home .breadcrumb {
  margin-bottom: clamp(28px, 5vw, 56px);
  font-size: 13px;
  color: var(--muted);
}

.page-home .cover__inner {
  display: grid;
  gap: var(--ph-gap);
}
.page-home .cover__kicker {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan-soft);
}
.page-home .cover__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(28px, 6.2vw, 56px);
  line-height: 1.16;
  letter-spacing: -.02em;
  max-width: 18ch;
}
.page-home .cover__sub {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--muted);
}
.page-home .cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-home .cover__index {
  display: grid;
  gap: 12px;
}
.page-home .idx-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(20, 28, 78, .58);
  backdrop-filter: blur(10px);
  color: var(--paper);
  text-decoration: none;
  transition: border-color .24s var(--ease), transform .24s var(--ease), background .24s var(--ease);
}
.page-home .idx-card:hover,
.page-home .idx-card:focus-visible {
  border-color: var(--cyan);
  background: rgba(20, 28, 78, .82);
  transform: translateX(4px);
}
.page-home .idx-card__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  padding-top: 3px;
}
.page-home .idx-card__body {
  display: grid;
  gap: 4px;
  min-width: 0;
}
.page-home .idx-card__t {
  font-family: var(--font-head);
  font-size: 16px;
  letter-spacing: -.01em;
}
.page-home .idx-card__d {
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 章节骨架 ---------- */
.page-home .ph-sec {
  position: relative;
  padding: clamp(58px, 9vw, 112px) 0;
}
.page-home .ph-sec--narrow {
  padding: clamp(40px, 6vw, 72px) 0;
}
.page-home .sec-head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}
.page-home .sec-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}
.page-home .sec-no {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(43, 224, 200, .14);
  color: var(--cyan);
}
.page-home .sec-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(23px, 3.6vw, 38px);
  line-height: 1.24;
  letter-spacing: -.02em;
}
.page-home .sec-lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 62ch;
}
.page-home .sec-foot {
  margin: clamp(26px, 3.5vw, 40px) 0 0;
}
.page-home .text-link {
  display: inline-block;
  font-size: 15px;
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 3px;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}
.page-home .text-link:hover,
.page-home .text-link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 图形容器 ---------- */
.page-home .fig {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(142deg, var(--violet), var(--teal));
}
.page-home .fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-home .fig figcaption {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  background: rgba(10, 16, 48, .62);
}
.page-home .fig--band {
  margin-bottom: clamp(24px, 3.5vw, 40px);
  aspect-ratio: 2 / 1;
}
.page-home .fig--band img {
  height: 100%;
}
.page-home .fig--tall {
  aspect-ratio: 3 / 2;
}
.page-home .fig--tall img {
  height: 100%;
}

/* ---------- 季度节拍 ---------- */
.page-home .beats {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}
.page-home .beat {
  padding-top: 18px;
  border-top: 3px solid var(--ink-600);
  transition: border-color .24s var(--ease);
}
.page-home .beat:hover {
  border-top-color: var(--cyan);
}
.page-home .beat__q {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}
.page-home .beat__t {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  letter-spacing: -.01em;
}
.page-home .beat__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 质保档位切换 ---------- */
.page-home .tier-switch {
  position: relative;
}
.page-home .tier-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-home .tier-tabs {
  display: inline-flex;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(20, 28, 78, .6);
  margin-bottom: clamp(22px, 3vw, 32px);
}
.page-home .tier-tab {
  display: inline-block;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-head);
  font-size: 15px;
  letter-spacing: -.01em;
  color: var(--muted);
  cursor: pointer;
  transition: background .32s var(--ease), color .32s var(--ease), border-color .32s var(--ease);
}
.page-home .tier-tab:hover {
  color: var(--paper);
}
.page-home #tier-home:checked ~ .tier-tabs .tier-tab--home,
.page-home #tier-biz:checked ~ .tier-tabs .tier-tab--biz {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}
.page-home .tier-input:focus-visible ~ .tier-tabs {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 4px;
}

.page-home .tier-panels {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(20, 28, 78, .52);
  padding: clamp(22px, 3.5vw, 40px);
}
.page-home .tier-panel {
  display: none;
  animation: ph-fade .32s var(--ease) both;
}
.page-home #tier-home:checked ~ .tier-panels .tier-panel--home,
.page-home #tier-biz:checked ~ .tier-panels .tier-panel--biz {
  display: block;
}
@keyframes ph-fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
.page-home .tier-panel__lead {
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}
.page-home .tier-facts {
  margin: 0;
  display: grid;
}
.page-home .tier-facts > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-home .tier-facts dt {
  min-width: 110px;
  font-size: 14px;
  color: var(--muted);
}
.page-home .tier-facts dd {
  margin: 0;
  font-size: 15px;
  color: var(--paper);
}
.page-home .mono-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  color: var(--cyan-soft);
}
.page-home .tier-panel__note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 14px;
  line-height: 1.75;
  color: var(--gold-soft);
}

/* ---------- 响应时限 ---------- */
.page-home .sla-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}
.page-home .sla-card {
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, rgba(37, 52, 130, .55), rgba(20, 28, 78, .78));
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}
.page-home .sla-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}
.page-home .sla-card--top {
  border-color: rgba(244, 179, 76, .4);
  background: linear-gradient(158deg, rgba(99, 37, 63, .5), rgba(20, 28, 78, .82));
}
.page-home .sla-card__size {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-home .sla-card__time {
  margin: 12px 0 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 3.2vw, 34px);
  letter-spacing: -.02em;
  color: var(--cyan);
}
.page-home .sla-card--top .sla-card__time {
  color: var(--gold);
}
.page-home .sla-card__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 会员工作台 ---------- */
.page-home .client-split {
  display: grid;
  gap: var(--ph-gap);
  align-items: center;
}
.page-home .client-body {
  min-width: 0;
}
.page-home .client-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-home .client-list li {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-home .client-list__k {
  font-family: var(--font-head);
  font-size: 16px;
  letter-spacing: -.01em;
  color: var(--cyan-soft);
}
.page-home .client-list__v {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 合作路径 ---------- */
.page-home .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  counter-reset: ph-flow;
}
.page-home .flow-step {
  position: relative;
  padding: 26px 22px 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(20, 28, 78, .5);
}
.page-home .flow-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
}
.page-home .flow-step__no {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
}
.page-home .flow-step__t {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  letter-spacing: -.01em;
}
.page-home .flow-step__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--muted);
}
.page-home .flow .sec-foot {
  margin-top: clamp(28px, 4vw, 42px);
}

/* ---------- 服务半径 ---------- */
.page-home .reach-grid {
  display: grid;
  gap: var(--ph-gap);
  align-items: center;
}
.page-home .reach-body {
  min-width: 0;
}
.page-home .stat-grid {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.page-home .stat {
  display: grid;
  gap: 6px;
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(11, 63, 69, .38);
}
.page-home .stat-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -.02em;
  color: var(--cyan-soft);
}
.page-home .stat-unit {
  font-size: 15px;
  margin-left: 2px;
}
.page-home .stat-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}
.page-home .cert-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-home .cert-list li {
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-soft);
}
.page-home .reach-fig {
  aspect-ratio: 2 / 1;
}
.page-home .reach-fig img {
  height: 100%;
}

/* ---------- 近期专题 ---------- */
.page-home .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}
.page-home .topic-item {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-home .topic-tag {
  justify-self: start;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(244, 179, 76, .14);
  border: 1px solid rgba(244, 179, 76, .38);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold-soft);
}
.page-home .topic-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  letter-spacing: -.01em;
}
.page-home .topic-title a {
  color: var(--paper);
  text-decoration: none;
  transition: color .24s var(--ease);
}
.page-home .topic-title a:hover,
.page-home .topic-title a:focus-visible {
  color: var(--cyan);
}
.page-home .topic-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .sla-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .beats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 28px;
  }
  .page-home .flow-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .topic-item {
    grid-template-columns: 120px minmax(0, 1fr);
    grid-template-areas:
      "tag title"
      "tag note";
    align-items: center;
    column-gap: 24px;
  }
  .page-home .topic-tag { grid-area: tag; }
  .page-home .topic-title { grid-area: title; }
  .page-home .topic-note { grid-area: note; }
}

@media (min-width: 900px) {
  .page-home .cover__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(36px, 6vw, 84px);
  }
  .page-home .client-split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(36px, 5vw, 72px);
  }
  .page-home .reach-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 5vw, 72px);
  }
  .page-home .beats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-home .sla-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .tier-panel {
    animation: none;
  }
  .page-home .idx-card:hover,
  .page-home .sla-card:hover {
    transform: none;
  }
}