.page-home {
  --home-cut: 20px;
  --home-band: clamp(56px, 8vw, 112px);
  display: block;
  background: var(--ink-950);
  color: var(--text);
  font-family: var(--font-body);
}

/* ============ 面包屑 ============ */
.page-home .breadcrumb {
  padding: clamp(18px, 3vw, 28px) 0 clamp(6px, 1.4vw, 12px);
}

.page-home .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}

.page-home .breadcrumb__item[aria-current="page"] {
  color: var(--cyan);
}

.page-home .breadcrumb__link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .breadcrumb__link:hover {
  color: var(--text);
  border-bottom-color: var(--purple);
}

.page-home .breadcrumb__sep {
  color: var(--line-strong);
}

/* ============ 01 首屏 ============ */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(34px, 5.4vw, 72px) 0 clamp(62px, 9vw, 118px);
  border-bottom: 1px solid var(--line);
}

.page-home .hero__slice,
.page-home .hero__glow {
  position: absolute;
  z-index: 0;
  display: block;
  pointer-events: none;
}

.page-home .hero__slice--a {
  top: -16%;
  right: -14%;
  width: min(780px, 76%);
  height: 88%;
  background: linear-gradient(148deg, rgba(123, 77, 255, .5), rgba(37, 217, 232, .09) 56%, rgba(5, 11, 26, 0) 86%);
  clip-path: polygon(30% 0, 100% 0, 66% 100%, 0 100%);
}

.page-home .hero__slice--b {
  left: -20%;
  bottom: -24%;
  width: min(640px, 68%);
  height: 66%;
  background: linear-gradient(24deg, rgba(37, 217, 232, .2), rgba(5, 11, 26, 0) 74%);
  clip-path: polygon(0 34%, 100% 0, 100% 100%, 0 100%);
}

.page-home .hero__glow {
  inset: 0;
  background:
    radial-gradient(58% 50% at 76% 16%, rgba(123, 77, 255, .28), transparent 66%),
    radial-gradient(44% 38% at 10% 86%, rgba(37, 217, 232, .14), transparent 68%);
}

.page-home .hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(32px, 4.6vw, 56px);
  align-items: center;
}

.page-home .hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.6vw, 62px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--text);
  text-shadow: 0 0 52px rgba(123, 77, 255, .34);
}

.page-home .hero__lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: clamp(15.5px, 1.32vw, 17.5px);
  line-height: 1.8;
  color: var(--text-soft);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-home .hero__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 30px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line-strong);
  font-size: 13.5px;
  color: var(--muted);
}

.page-home .hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-strong);
  background: linear-gradient(150deg, var(--ink-800), var(--ink-950));
  clip-path: polygon(0 0, 100% 0, 100% 84%, 87% 100%, 0 100%);
}

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

.page-home .hero__media img {
  aspect-ratio: 16 / 9;
}

/* ============ 章节标题系统 ============ */
.page-home .sec-head {
  max-width: 820px;
  margin-bottom: clamp(26px, 3.6vw, 48px);
}

.page-home .chapter {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-home .chapter__num {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.02em;
  color: transparent;
  -webkit-text-stroke: 1.4px var(--purple);
}

@supports not (-webkit-text-stroke: 1px red) {
  .page-home .chapter__num {
    color: var(--purple);
  }
}

.page-home .chapter__rule {
  width: 44px;
  height: 2px;
  flex: none;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
}

.page-home .chapter__label {
  color: var(--muted);
}

.page-home .sec-head .h-section {
  margin: 0;
}

.page-home .sec-head .prose {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ============ 02 专区导览 ============ */
.page-home .zones {
  background: var(--ink-950);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-home .zone-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: clamp(214px, 72vw, 268px);
  gap: 14px;
  margin: 0;
  padding: 4px 2px 20px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: 2px;
  -webkit-overflow-scrolling: touch;
}

.page-home .zone-rail::-webkit-scrollbar {
  height: 4px;
}

.page-home .zone-rail::-webkit-scrollbar-track {
  background: rgba(34, 51, 92, .5);
  border-radius: 999px;
}

.page-home .zone-rail::-webkit-scrollbar-thumb {
  background: var(--purple);
  border-radius: 999px;
}

.page-home .zone-card {
  position: relative;
  scroll-snap-align: start;
  padding: 20px 20px 22px;
  background: linear-gradient(158deg, var(--ink-800), var(--ink-900) 78%);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .zone-card::after {
  content: "";
  position: absolute;
  inset: auto 18px 12px 18px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent 82%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-home .zone-card:hover {
  transform: translateY(-4px);
  background: linear-gradient(158deg, var(--ink-800), rgba(123, 77, 255, .3));
  box-shadow: 0 18px 34px -26px rgba(123, 77, 255, .9);
}

.page-home .zone-card:hover::after {
  opacity: 1;
}

.page-home .zone-card__idx {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-home .zone-card__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-home .zone-card__text {
  margin: 9px 0 0;
  font-size: 13.8px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .zone-hint {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.page-home .zone-hint a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 217, 232, .45);
  transition: border-color var(--dur) var(--ease);
}

.page-home .zone-hint a:hover {
  border-bottom-color: var(--cyan);
}

/* ============ 03 案例合集 ============ */
.page-home .topics {
  background: var(--ink-900);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .topic-top {
  display: grid;
  gap: 16px;
}

.page-home .topic-lead {
  display: grid;
  overflow: hidden;
  background: linear-gradient(150deg, var(--ink-800), var(--ink-900));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-home .topic-lead__media {
  margin: 0;
  min-height: 200px;
  border: 0;
  background: linear-gradient(140deg, rgba(255, 156, 74, .3), rgba(123, 77, 255, .34));
}

.page-home .topic-lead__media img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

.page-home .topic-lead__body {
  padding: clamp(22px, 3vw, 34px);
}

.page-home .topic-lead__body .card__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
}

.page-home .topic-lead__body .card__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .topic-mini {
  padding: 22px 22px 24px;
  background: rgba(19, 34, 71, .78);
  border: 1px solid var(--line);
  border-top: 2px solid var(--purple);
}

.page-home .topic-mini .card__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-home .topic-mini .card__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .tag {
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  cursor: default;
}

.page-home .tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(167, 139, 250, .55), 0 10px 22px -14px rgba(123, 77, 255, .9);
}

.page-home .tag--orange:hover {
  box-shadow: 0 0 0 1px rgba(255, 156, 74, .6), 0 10px 22px -14px rgba(255, 156, 74, .95);
}

.page-home .past {
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line);
}

.page-home .past__head {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--purple-soft);
}

.page-home .past__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .past__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .past__list .mono {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-home .past__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--purple);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .past__link:hover {
  color: var(--purple-soft);
  border-bottom-color: var(--purple-soft);
}

/* ============ 04 客户端与账户设置 ============ */
.page-home .client {
  background: var(--ink-950);
}

.page-home .client__split {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-home .client__media {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: linear-gradient(160deg, var(--ink-800), var(--ink-950));
  clip-path: polygon(0 0, 100% 0, 100% 100%, 14% 100%, 0 86%);
}

.page-home .client__body .prose {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-home .feature-list {
  display: grid;
  gap: 0;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .feature-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.8px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .feature-list strong {
  font-weight: 700;
  color: var(--text);
}

.page-home .feature-list__k {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-home .client__note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .client__body .btn {
  margin-top: 24px;
}

.page-home .account {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: center;
  margin-top: clamp(48px, 7vw, 92px);
  padding-top: clamp(36px, 5vw, 68px);
  border-top: 1px solid var(--line);
}

.page-home .account__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.015em;
  color: var(--text);
}

.page-home .account__steps {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .account__steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 14px 16px;
  background: rgba(19, 34, 71, .62);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--muted);
}

.page-home .account__steps strong {
  font-weight: 700;
  color: var(--text);
}

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

.page-home .account__body .btn {
  margin-top: 24px;
}

.page-home .account__media {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: linear-gradient(140deg, rgba(37, 217, 232, .22), rgba(123, 77, 255, .24));
  clip-path: polygon(0 0, 100% 0, 100% 88%, 86% 100%, 0 100%);
}

/* ============ 05 额度说明 ============ */
.page-home .quota {
  background: var(--ink-900);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .quota__grid {
  display: grid;
  gap: 16px;
}

.page-home .quota-item {
  padding: 24px 22px 26px;
  background: linear-gradient(162deg, rgba(11, 23, 48, .96), rgba(5, 11, 26, .92));
  border: 1px solid var(--line);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .quota-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 40px -30px rgba(123, 77, 255, .85);
}

.page-home .quota-item--orange {
  border-top: 2px solid var(--orange);
}

.page-home .quota-item--purple {
  border-top: 2px solid var(--purple);
}

.page-home .quota-item--cyan {
  border-top: 2px solid var(--cyan);
}

.page-home .quota-item .card__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-home .quota-item .card__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ============ 06 下一步 ============ */
.page-home .next {
  background: var(--ink-950);
  padding-bottom: clamp(70px, 10vw, 140px);
}

.page-home .next-grid {
  display: grid;
  gap: 16px;
}

.page-home .next-card {
  position: relative;
  display: block;
  padding: 28px 24px 26px;
  color: inherit;
  text-decoration: none;
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .next-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
  transform: scaleX(.26);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

.page-home .next-card:hover {
  transform: translateY(-4px);
  background: linear-gradient(160deg, var(--ink-800), rgba(123, 77, 255, .26));
  box-shadow: 0 24px 44px -34px rgba(37, 217, 232, .9);
}

.page-home .next-card:hover::before {
  transform: scaleX(1);
}

.page-home .next-card__idx {
  display: block;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--purple-soft);
}

.page-home .next-card__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2vw, 22px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-home .next-card__text {
  margin: 12px 0 0;
  font-size: 14.2px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .next-card__go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-home .next-foot {
  margin: clamp(26px, 4vw, 42px) 0 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .next-foot a {
  color: var(--text-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--purple);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .next-foot a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-home .zone-rail {
    grid-auto-columns: 292px;
  }
}

@media (min-width: 760px) {
  .page-home .topic-lead {
    grid-template-columns: 1.05fr .95fr;
    align-items: stretch;
  }

  .page-home .topic-lead__media {
    min-height: 100%;
  }

  .page-home .topic-lead__media img {
    height: 100%;
    min-height: 260px;
  }
}

@media (min-width: 880px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, .86fr);
    align-items: center;
  }

  .page-home .client__split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr);
  }

  .page-home .account {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

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

  .page-home .topic-lead {
    grid-column: span 2;
  }

  .page-home .topic-mini {
    align-self: start;
  }

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

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

@media (min-width: 1080px) {
  .page-home .zone-rail {
    grid-auto-columns: 300px;
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .zone-card,
  .page-home .quota-item,
  .page-home .next-card,
  .page-home .tag {
    transition: none;
  }

  .page-home .zone-card:hover,
  .page-home .quota-item:hover,
  .page-home .next-card:hover,
  .page-home .tag:hover {
    transform: none;
  }

  .page-home .next-card::before {
    transform: scaleX(1);
  }
}