.page-home {
  --home-line-soft: rgba(226, 220, 206, .22);
  --home-body-soft: rgba(10, 12, 16, .68);
  background: var(--paper);
  color: var(--ink);
}

/* ===== 首屏 ===== */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(48px, 7vw, 108px);
  background:
    radial-gradient(120% 88% at 88% 10%, rgba(45, 99, 245, .22) 0%, transparent 58%),
    radial-gradient(78% 68% at 4% 98%, rgba(233, 178, 60, .13) 0%, transparent 62%),
    var(--ink);
  color: var(--on-dark);
  border-bottom: 1px solid var(--line-dark);
}

.page-home .home-hero__grid {
  display: grid;
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
}

.page-home .home-hero__narr {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.2vw, 24px);
  min-width: 0;
  max-width: 620px;
}

.page-home .home-hero__context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--on-dark-faint);
}

.page-home .home-hero__context span[aria-hidden] {
  color: var(--volt-soft);
}

.page-home .home-hero__title {
  margin: 0;
  font-size: clamp(29px, 5.4vw, 50px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--on-dark);
}

.page-home .home-hero__title em {
  font-style: normal;
  color: var(--gold);
}

.page-home .home-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.82;
  color: var(--on-dark-soft);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 16px;
}

.page-home .home-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-hero__facts li {
  padding: 6px 12px;
  border: 1px solid var(--line-dark-2);
  border-radius: 3px;
  background: rgba(246, 243, 236, .04);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--on-dark-soft);
}

.page-home .home-hero__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line-dark-2);
  border-radius: 4px;
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: var(--sh-2);
}

.page-home .home-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .8;
}

.page-home .home-hero__rings {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(74%, 360px);
  aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%,
    rgba(233, 178, 60, .28) 0%,
    rgba(233, 178, 60, .08) 40%,
    rgba(45, 99, 245, 0) 66%);
}

.page-home .home-hero__rings::before,
.page-home .home-hero__rings::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.page-home .home-hero__rings::before {
  inset: 0;
  border: 1px solid rgba(233, 178, 60, .46);
}

.page-home .home-hero__rings::after {
  inset: 17%;
  border: 1px solid rgba(157, 186, 255, .4);
}

/* ===== 坐标分隔带微调 ===== */
.page-home .coord-band span {
  font-family: var(--font-mono);
}

/* ===== 通用区块头 ===== */
.page-home .home-steps__head,
.page-home .home-versions__head {
  max-width: 720px;
  margin-bottom: clamp(26px, 3.6vw, 48px);
}

.page-home .home-steps__head .h-section,
.page-home .home-versions__head .h-section {
  margin: 0 0 14px;
}

.page-home .home-steps__head .lede,
.page-home .home-preview__main .lede,
.page-home .home-channel__body .lede {
  margin: 0;
}

.page-home .home-steps__head .lede,
.page-home .home-preview__main .lede {
  color: var(--home-body-soft);
}

/* ===== 01 步骤条 ===== */
.page-home .step-rail {
  display: grid;
  gap: 12px;
  margin: 0 0 clamp(24px, 3.4vw, 42px);
  padding: 0;
  list-style: none;
}

.page-home .step-rail li {
  display: flex;
  min-width: 0;
}

.page-home .step-node {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  padding: 18px 20px 20px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: rgba(255, 255, 255, .5);
  color: var(--ink);
  text-decoration: none;
  transition:
    border-color var(--t) var(--ease),
    transform var(--t) var(--ease),
    box-shadow var(--t) var(--ease),
    background var(--t) var(--ease);
}

.page-home .step-node:hover,
.page-home .step-node:focus-visible {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: var(--sh-1);
}

.page-home .step-node:active {
  transform: translateY(0);
}

.page-home .step-node__num {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--gold-deep);
}

.page-home .step-node:hover .step-node__num,
.page-home .step-node:focus-visible .step-node__num {
  color: var(--gold);
}

.page-home .step-node__name {
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-home .step-node__time {
  font-size: 12.5px;
  color: var(--mute);
}

.page-home .home-steps__figure {
  margin: 0 0 clamp(26px, 3.6vw, 46px);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
  background: var(--ink-2);
}

.page-home .home-steps__figure .figure__img {
  display: block;
  width: 100%;
  height: auto;
}

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

.page-home .step-note {
  padding: 22px 22px 24px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: rgba(255, 255, 255, .62);
  box-shadow: var(--sh-1);
  scroll-margin-top: 120px;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-home .step-note:target {
  border-color: var(--gold);
  background: rgba(233, 178, 60, .08);
}

.page-home .step-note__line {
  display: block;
  width: 28px;
  height: 2px;
  margin-bottom: 14px;
  background: var(--gold);
}

.page-home .step-note__num {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mute);
}

.page-home .step-note .h-card {
  margin: 0 0 8px;
}

.page-home .step-note p:last-child {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--home-body-soft);
}

/* ===== 02 新用户首页 ===== */
.page-home .home-preview__grid {
  display: grid;
  gap: clamp(30px, 4.4vw, 60px);
}

.page-home .home-preview__main {
  min-width: 0;
}

.page-home .home-preview__main .h-section {
  margin: 0 0 14px;
}

.page-home .preview-list {
  display: grid;
  gap: 0;
  margin: clamp(24px, 3.2vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.page-home .preview-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--rule);
}

.page-home .preview-item__num {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--gold-deep);
  padding-top: 3px;
}

.page-home .preview-item__body {
  min-width: 0;
}

.page-home .preview-item__body .h-card {
  margin: 0 0 6px;
}

.page-home .preview-item__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--home-body-soft);
}

.page-home .home-preview__note {
  align-self: start;
}

.page-home .home-preview__note-label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold-deep);
}

.page-home .home-preview__note p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--home-body-soft);
}

/* ===== 宽幅转折带 ===== */
.page-home .home-divider {
  margin: 0;
  line-height: 0;
  background: var(--ink);
}

.page-home .home-divider img {
  display: block;
  width: 100%;
  height: auto;
}

/* ===== 03 版本与设备 ===== */
.page-home .version-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.page-home .version-row {
  display: grid;
  gap: 6px 20px;
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--line-dark);
}

.page-home .version-row__num {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-home .version-row__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--on-dark);
}

.page-home .version-row__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--on-dark-soft);
}

.page-home .version-row__link {
  justify-self: start;
  align-self: center;
  font-size: 14px;
  color: var(--volt-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-home .version-row__link:hover,
.page-home .version-row__link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ===== 04 咨询与备案 ===== */
.page-home .home-channel__grid {
  display: grid;
  gap: clamp(30px, 4.6vw, 64px);
  align-items: center;
}

.page-home .home-channel__figure {
  margin: 0;
  border: 1px solid var(--line-dark-2);
  border-radius: 4px;
  overflow: hidden;
  background: var(--ink-2);
}

.page-home .home-channel__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .home-channel__body {
  min-width: 0;
}

.page-home .home-channel__body .h-section {
  margin: 0 0 14px;
}

.page-home .home-channel__body .lede {
  color: var(--on-dark-soft);
}

.page-home .channel-list {
  margin: clamp(22px, 3vw, 34px) 0 clamp(22px, 3vw, 32px);
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.page-home .channel-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-home .channel-list__key {
  display: block;
  margin-bottom: 6px;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--volt-soft);
}

.page-home .channel-list__val {
  display: block;
  font-size: clamp(16px, 1.7vw, 20px);
  font-weight: 700;
  color: var(--on-dark);
  overflow-wrap: anywhere;
}

.page-home .channel-list__note {
  display: block;
  margin-top: 4px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--on-dark-faint);
}

/* ===== 备案带 ===== */
.page-home .home-legal {
  padding-block: 18px;
  background: var(--ink-2);
  border-top: 1px solid var(--line-dark-2);
}

.page-home .home-legal__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  font-size: 12.5px;
  color: var(--on-dark-faint);
}

.page-home .home-legal__icp {
  color: var(--on-dark-soft);
  letter-spacing: .04em;
}

.page-home .home-legal__inner ::selection {
  background: rgba(233, 178, 60, .42);
  color: var(--ink);
}

.page-home .home-legal__hint {
  margin-left: auto;
  color: var(--on-dark-faint);
  letter-spacing: .03em;
}

/* ===== 响应式 ===== */
@media (min-width: 760px) {
  .page-home .preview-item {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 4px 18px;
  }

  .page-home .channel-list li {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    column-gap: 20px;
    align-items: baseline;
  }

  .page-home .channel-list__key {
    margin-bottom: 0;
  }

  .page-home .version-row {
    grid-template-columns: 44px minmax(160px, 210px) minmax(0, 1fr) auto;
    align-items: center;
    gap: 6px 22px;
  }

  .page-home .version-row__link {
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .page-home .home-hero__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-home .step-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-home .step-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .page-home .home-divider img {
    aspect-ratio: 24 / 7;
    object-fit: cover;
  }

  .page-home .home-steps__figure .figure__img {
    aspect-ratio: 21 / 9;
    object-fit: cover;
  }
}

@media (min-width: 1080px) {
  .page-home .home-preview__grid {
    grid-template-columns: minmax(0, 1fr) 288px;
    align-items: start;
  }

  .page-home .home-channel__grid {
    grid-template-columns: 5fr 7fr;
  }

  .page-home .home-channel__figure img {
    aspect-ratio: 2 / 3;
    object-fit: cover;
  }
}

@media (max-width: 560px) {
  .page-home .home-legal__hint {
    margin-left: 0;
    width: 100%;
  }

  .page-home .home-hero__facts li {
    font-size: 12px;
  }
}