.page-home {
  --home-gold-rgb: 201, 162, 39;
  --home-frame-width: 6px;
  --home-hero-gap: clamp(24px, 5vw, 80px);
  color: var(--color-text);
  background-color: var(--color-ink);
  overflow-x: hidden;
}

/* ===== 首屏框景 ===== */
.page-home .home-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: clamp(100px, 12vh, 140px) 20px 60px;
  isolation: isolate;
}

.page-home .home-hero__frame {
  position: absolute;
  inset: 18px;
  pointer-events: none;
  z-index: 2;
}

.page-home .home-hero__frame-corner {
  position: absolute;
  width: 44px;
  height: 44px;
  border-color: var(--color-gold);
  border-style: solid;
}

.page-home .home-hero__frame-corner--tl {
  top: 0;
  left: 0;
  border-width: 2px 0 0 2px;
}

.page-home .home-hero__frame-corner--tr {
  top: 0;
  right: 0;
  border-width: 2px 2px 0 0;
}

.page-home .home-hero__frame-corner--bl {
  bottom: 0;
  left: 0;
  border-width: 0 0 2px 2px;
}

.page-home .home-hero__frame-corner--br {
  bottom: 0;
  right: 0;
  border-width: 0 2px 2px 0;
}

.page-home .home-hero__inner {
  position: relative;
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--home-hero-gap);
}

.page-home .home-hero__image-wrap {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  border-radius: 2px;
}

.page-home .home-hero__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: grayscale(0.4);
}

.page-home .home-hero__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(var(--color-gold-rgb), 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(var(--color-gold-rgb), 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 80%);
}

.page-home .home-hero__content {
  max-width: 760px;
  padding: clamp(20px, 4vw, 48px);
  border-left: var(--home-frame-width) solid transparent;
  border-image: linear-gradient(to bottom, var(--color-gold), rgba(var(--home-gold-rgb), 0.1)) 1;
}

.page-home .home-hero__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.page-home .home-hero__meta .overline-label {
  color: var(--color-gold-light);
}

.page-home .home-hero__meta-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-crimson);
  flex-shrink: 0;
}

.page-home .home-hero__meta-city {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--color-silver);
}

.page-home .home-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(44px, 8vw, 80px);
  line-height: 1.1;
  margin: 0 0 12px;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, var(--color-text-bright) 0%, var(--color-gold-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.page-home .home-hero__subtitle {
  font-family: var(--font-serif);
  font-size: clamp(20px, 3vw, 28px);
  color: var(--color-gold);
  margin: 0 0 20px;
  letter-spacing: 0.08em;
}

.page-home .home-hero__lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  max-width: 660px;
  margin: 0 0 32px;
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.page-home .home-hero__side-note {
  writing-mode: vertical-rl;
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.35em;
  color: var(--color-silver);
  border-right: 1px solid rgba(var(--color-gold-rgb), 0.35);
  padding-right: 12px;
  white-space: nowrap;
}

.page-home .btn--gold {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
  color: var(--color-ink);
  border: 1px solid var(--color-gold);
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-home .btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(var(--home-gold-rgb), 0.28);
}

.page-home .btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(var(--color-gold-rgb), 0.6);
  padding: 12px 28px;
  font-size: 15px;
  border-radius: var(--radius-pill);
  transition: border-color 0.3s var(--ease-out), background-color 0.3s var(--ease-out);
}

.page-home .btn--outline:hover {
  border-color: var(--color-gold-light);
  background: rgba(var(--color-gold-rgb), 0.08);
}

/* ===== 通用容器区段 ===== */
.page-home .home-section {
  position: relative;
  padding: clamp(64px, 10vw, 120px) 20px;
}

.page-home .container {
  max-width: 1200px;
  margin: 0 auto;
}

.page-home .overline-label {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-silver);
  margin-bottom: 10px;
}

.page-home .section-title {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.2;
  margin: 0 0 16px;
  color: var(--color-text-bright);
}

/* ===== 最近五次改动 ===== */
.page-home .home-changes {
  background:
    radial-gradient(ellipse at 20% 20%, rgba(var(--color-blue-rgb), 0.35), transparent 55%),
    var(--color-ink-soft);
}

.page-home .home-changes__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.page-home .home-changes__more {
  color: var(--color-gold-light);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease-out);
}

.page-home .home-changes__more:hover {
  border-bottom-color: var(--color-gold-light);
}

.page-home .home-changes__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.page-home .home-changes__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .home-changes__item {
  background: rgba(var(--color-ink-rgb), 0.55);
  border: 1px solid rgba(var(--color-gold-rgb), 0.18);
  border-radius: 4px;
  transition: background-color 0.35s var(--ease-out), border-color 0.35s var(--ease-out);
}

.page-home .home-changes__item[open] {
  background: rgba(var(--color-ink-rgb), 0.78);
  border-color: rgba(var(--color-gold-rgb), 0.42);
}

.page-home .home-changes__item-summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.page-home .home-changes__item-summary::-webkit-details-marker {
  display: none;
}

.page-home .home-changes__item-index {
  font-family: var(--font-mono);
  color: var(--color-gold);
  font-size: 15px;
  min-width: 30px;
}

.page-home .home-changes__item-title {
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--color-text-bright);
}

.page-home .home-changes__item-tag {
  font-size: 12px;
  color: var(--color-silver);
  border: 1px solid rgba(var(--color-silver-rgb), 0.35);
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
}

.page-home .home-changes__item-desc {
  margin: 0;
  padding: 0 20px 20px 68px;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.65;
}

.page-home .home-changes__figure {
  margin: 0;
  background: rgba(var(--color-ink-rgb), 0.4);
  border: 1px solid rgba(var(--color-gold-rgb), 0.16);
  border-radius: 4px;
  padding: 12px;
}

.page-home .home-changes__figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
}

.page-home .home-changes__figure-caption {
  font-size: 13px;
  color: var(--color-silver);
  margin-top: 8px;
  padding-left: 4px;
}

/* ===== 注册与打开步骤 ===== */
.page-home .home-steps {
  background: var(--color-ink);
}

.page-home .home-steps__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

.page-home .home-steps__desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  max-width: 560px;
  margin-bottom: 28px;
}

.page-home .home-steps__desc strong {
  color: var(--color-gold-light);
}

.page-home .home-steps__selector {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.page-home .home-steps__tab {
  font-family: var(--font-mono);
  font-size: 16px;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-silver);
  border: 1px solid rgba(var(--color-silver-rgb), 0.4);
  cursor: pointer;
  transition: background-color 0.3s var(--ease-out), color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

.page-home .home-steps__tab:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-light);
}

.page-home .home-steps__tab.is-active {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-ink);
  box-shadow: 0 4px 16px rgba(var(--home-gold-rgb), 0.28);
}

.page-home .home-steps__panels {
  position: relative;
}

.page-home .home-steps__panel {
  display: none;
  background: rgba(var(--color-ink-soft-rgb), 0.72);
  border-left: 3px solid var(--color-gold);
  padding: 24px 26px;
  border-radius: 0 6px 6px 0;
}

.page-home .home-steps__panel.is-active {
  display: block;
  animation: home-step-panel-in 0.45s var(--ease-out);
}

@keyframes home-step-panel-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-home .home-steps__panel-title {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--color-text-bright);
  margin: 0 0 10px;
}

.page-home .home-steps__panel-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-text);
  margin: 0;
}

.page-home .home-steps__figure-wrap {
  position: relative;
}

.page-home .home-steps__figure-wrap img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
  border: 1px solid rgba(var(--color-gold-rgb), 0.2);
}

.page-home .home-steps__scale {
  position: relative;
  height: 34px;
  margin: 18px 0 0;
}

.page-home .home-steps__scale-line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(var(--color-gold-rgb), 0.35);
  transform: translateY(-50%);
}

.page-home .home-steps__scale-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-crimson);
  box-shadow: 0 0 0 4px rgba(var(--color-crimson-rgb), 0.2);
}

.page-home .home-steps__scale-dot--1 { left: 0%; }
.page-home .home-steps__scale-dot--2 { left: 33.33%; }
.page-home .home-steps__scale-dot--3 { left: 66.66%; }
.page-home .home-steps__scale-dot--4 { left: 100%; }

/* ===== OF 版本资料 ===== */
.page-home .home-of {
  background:
    linear-gradient(120deg, rgba(var(--color-blue-rgb), 0.24), transparent 65%),
    var(--color-ink-soft);
}

.page-home .home-of__banner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  border: 1px solid rgba(var(--color-gold-rgb), 0.24);
  border-radius: 8px;
  padding: clamp(28px, 6vw, 56px);
  background:
    radial-gradient(circle at 85% 20%, rgba(var(--color-gold-rgb), 0.12), transparent 42%),
    rgba(var(--color-ink-rgb), 0.5);
}

.page-home .home-of__text p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 14px;
}

.page-home .home-of__text strong {
  color: var(--color-gold-light);
}

.page-home .home-of__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.page-home .home-of__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: flex-start;
}

.page-home .home-of__badge {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--color-text-bright);
  background: rgba(var(--color-gold-rgb), 0.12);
  border: 1px solid rgba(var(--color-gold-rgb), 0.4);
  border-radius: 4px;
  padding: 14px 24px;
  display: inline-flex;
  align-items: center;
}

.page-home .home-of__badge--note {
  display: block;
  width: 100%;
  font-size: 14px;
  color: var(--color-crimson-soft);
  padding-top: 6px;
}

/* ===== 可信声明 ===== */
.page-home .home-trust {
  padding: clamp(64px, 10vw, 110px) 20px;
  background: var(--color-ink);
  overflow: hidden;
}

.page-home .home-trust__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.18;
}

.page-home .home-trust__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(3px);
}

.page-home .home-trust .container {
  position: relative;
  z-index: 1;
}

.page-home .home-trust__head {
  margin-bottom: 40px;
}

.page-home .home-trust__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 36px;
}

.page-home .home-trust__item {
  background: rgba(var(--color-blue-rgb), 0.16);
  border: 1px solid rgba(var(--color-silver-rgb), 0.18);
  border-radius: 4px;
  padding: 28px 24px;
  transition: border-color 0.3s var(--ease-out), background-color 0.3s var(--ease-out);
}

.page-home .home-trust__item:hover {
  border-color: rgba(var(--color-gold-rgb), 0.4);
  background: rgba(var(--color-blue-rgb), 0.24);
}

.page-home .home-trust__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.page-home .home-trust__item-title {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--color-text-bright);
  margin: 0 0 10px;
}

.page-home .home-trust__item p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text);
  margin: 0;
}

.page-home .home-trust__refer {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.page-home .home-trust__refer a {
  color: var(--color-gold-light);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px solid rgba(var(--color-gold-rgb), 0.4);
  padding-bottom: 4px;
  transition: border-color 0.3s var(--ease-out), color 0.3s var(--ease-out);
}

.page-home .home-trust__refer a:hover {
  color: var(--color-text-bright);
  border-color: var(--color-text-bright);
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-home .home-hero__inner {
    grid-template-columns: 5fr 7fr;
  }

  .page-home .home-changes__layout {
    grid-template-columns: 1fr 0.6fr;
  }

  .page-home .home-steps__layout {
    grid-template-columns: 1fr 0.8fr;
  }

  .page-home .home-of__banner {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .page-home .home-trust__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .page-home .home-trust__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-home .home-hero__title {
    font-size: 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}