.page-home {
  --home-gap: clamp(22px, 3.6vw, 56px);
  --home-block: clamp(46px, 7.5vw, 104px);
  overflow-x: clip;
}

/* ---------- 首屏：章节预览 + 右倾主视觉 ---------- */
.page-home .home-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) var(--frame-x) clamp(40px, 7vw, 92px);
  isolation: isolate;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: -12% -18% 30% 34%;
  background:
    radial-gradient(58% 58% at 68% 28%, rgba(53, 230, 210, 0.16), transparent 72%),
    radial-gradient(46% 46% at 22% 0%, rgba(242, 179, 61, 0.07), transparent 74%);
  pointer-events: none;
  z-index: -1;
}

.page-home .hero-grid {
  max-width: var(--frame-max);
  margin: 0 auto;
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-home .eyebrow {
  font-family: var(--font-latin);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-home .eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.page-home h1 {
  font-family: var(--font-head);
  font-size: clamp(28px, 5.4vw, 56px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 0;
  max-width: 16ch;
}

.page-home .hero-lead {
  margin: 18px 0 0;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.85;
  color: var(--text-2);
  max-width: 46ch;
}

.page-home .hero-paths {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .path-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 34, 74, 0.55), rgba(11, 23, 48, 0.3));
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-home .path-item:hover,
.page-home .path-item:focus-within {
  transform: translateY(-4px);
  border-color: rgba(53, 230, 210, 0.55);
  box-shadow: 0 20px 42px -28px rgba(53, 230, 210, 0.75);
}

.page-home .path-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  padding-top: 4px;
  letter-spacing: 0.06em;
}

.page-home .path-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.page-home .path-title {
  display: block;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.01em;
}

.page-home .path-desc {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-2);
}

.page-home .hero-visual {
  position: relative;
}

.page-home .hero-visual::before {
  content: "";
  position: absolute;
  inset: -8% -6% -10% 18%;
  background-image: repeating-linear-gradient(114deg, rgba(53, 230, 210, 0.42) 0 1px, transparent 1px 20px);
  -webkit-mask-image: linear-gradient(196deg, transparent 4%, #000 42%, transparent 92%);
  mask-image: linear-gradient(196deg, transparent 4%, #000 42%, transparent 92%);
  opacity: 0.42;
  pointer-events: none;
  z-index: 0;
}

.page-home .hero-frame {
  position: relative;
  z-index: 1;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  overflow: hidden;
  background: var(--ink-1);
  box-shadow: 0 44px 90px -56px rgba(53, 230, 210, 0.85);
}

.page-home .hero-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: 0.88;
}

.page-home .hero-note {
  position: absolute;
  top: 0;
  right: -22px;
  writing-mode: vertical-rl;
  font-size: 12px;
  letter-spacing: 0.34em;
  color: var(--text-3);
  z-index: 2;
}

.page-home .hero-badge {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 2;
  font-family: var(--font-latin);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink-0);
  background: var(--gold);
  border-radius: 999px;
  padding: 6px 14px;
  box-shadow: 0 12px 28px -16px rgba(242, 179, 61, 0.9);
}

.page-home .hero-orb {
  position: absolute;
  right: 6%;
  top: -6%;
  width: 128px;
  height: 128px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 230, 210, 0.32), transparent 68%);
  filter: blur(6px);
  pointer-events: none;
  z-index: 0;
}

/* ---------- 通用章节骨架 ---------- */
.page-home .section {
  padding: var(--home-block) var(--frame-x);
}

.page-home .section-inner {
  width: 100%;
  max-width: var(--frame-max);
  margin: 0 auto;
}

.page-home .section-head {
  display: grid;
  gap: 12px;
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 52px);
}

.page-home .section-title {
  font-family: var(--font-head);
  font-size: clamp(23px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
}

.page-home .section-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-2);
}

/* ---------- 顶部第二栏栏目板块 ---------- */
.page-home .home-subnav {
  border-top: 1px solid rgba(36, 54, 95, 0.55);
}

.page-home .subnav-grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-home .subnav-visual {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-1);
}

.page-home .subnav-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.9;
}

.page-home .subnav-list {
  display: grid;
  gap: 12px;
}

.page-home .col-card {
  position: relative;
  padding: 18px 20px 18px 22px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: var(--ink-2);
  box-shadow: 0 14px 34px -26px rgba(5, 11, 26, 0.95);
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-home .col-card:hover {
  transform: translateY(-4px);
  border-color: rgba(53, 230, 210, 0.5);
  box-shadow: 0 22px 46px -30px rgba(53, 230, 210, 0.8);
}

.page-home .col-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan-soft);
}

.page-home .col-title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin: 8px 0 6px;
}

.page-home .col-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-2);
}

/* ---------- 记录与额度 ---------- */
.page-home .home-desk {
  background: linear-gradient(180deg, transparent, rgba(11, 23, 48, 0.72) 30%, rgba(11, 23, 48, 0.72) 70%, transparent);
}

.page-home .desk-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 52px);
  align-items: center;
}

.page-home .desk-visual {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-1);
}

.page-home .desk-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .desk-lead {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-2);
  max-width: 48ch;
}

.page-home .step-list {
  counter-reset: step;
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .step-list li {
  position: relative;
  counter-increment: step;
  padding-left: 48px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-2);
  min-height: 28px;
}

.page-home .step-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 26px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(18, 34, 74, 0.7);
}

.page-home .desk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 34px);
}

/* ---------- 版本公告摘要 ---------- */
.page-home .news-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 52px);
  align-items: start;
}

.page-home .timeline {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 26px;
}

.page-home .timeline-item {
  position: relative;
}

.page-home .timeline-item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-0);
  border: 1px solid var(--cyan);
}

.page-home .timeline-meta {
  display: block;
  font-family: var(--font-latin);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin-bottom: 7px;
}

.page-home .timeline-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-2);
  max-width: 52ch;
}

.page-home .news-body .btn {
  margin-top: clamp(24px, 3.2vw, 34px);
}

.page-home .news-visual {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-1);
}

.page-home .news-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- 速度与稳定性 ---------- */
.page-home .home-speed {
  border-top: 1px solid rgba(36, 54, 95, 0.55);
}

.page-home .speed-axis {
  display: block;
  width: 100%;
  max-width: 660px;
  height: auto;
  margin: 0 0 clamp(24px, 3.4vw, 40px);
  overflow: visible;
}

.page-home .speed-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-home .speed-card {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(18, 34, 74, 0.85), rgba(5, 11, 26, 0.6));
  box-shadow: 0 18px 40px -32px rgba(5, 11, 26, 1);
  transition: transform var(--ease), border-color var(--ease);
}

.page-home .speed-card:hover {
  transform: translateY(-4px);
  border-color: rgba(53, 230, 210, 0.45);
}

.page-home .speed-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-home .speed-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-2);
}

/* ---------- 咨询与备案 ---------- */
.page-home .home-contact {
  background: linear-gradient(180deg, transparent, rgba(18, 34, 74, 0.6));
}

.page-home .contact-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 52px);
  align-items: start;
}

.page-home .contact-lead {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-2);
  max-width: 46ch;
}

.page-home .contact-main .btn {
  margin-top: clamp(22px, 3vw, 30px);
}

.page-home .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.page-home .contact-list li {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  background: var(--ink-1);
}

.page-home .cl-key {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-3);
}

.page-home .cl-val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-home .cl-mono {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 761px) {
  .page-home .hero-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-home .hero-index {
    padding-top: clamp(8px, 2vw, 28px);
  }

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

  .page-home .subnav-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-home .desk-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-home .news-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .news-visual {
    margin-top: clamp(18px, 3vw, 40px);
  }

  .page-home .contact-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-home .section-title {
    max-width: 22ch;
  }
}

@media (min-width: 1200px) {
  .page-home .section {
    padding-left: calc(var(--frame-x) + 28px);
    padding-right: calc(var(--frame-x) + 28px);
  }

  .page-home .home-hero {
    padding-left: calc(var(--frame-x) + 28px);
    padding-right: calc(var(--frame-x) + 28px);
  }
}

@media (max-width: 480px) {
  .page-home .hero-note {
    display: none;
  }

  .page-home .hero-badge {
    left: 12px;
    bottom: 12px;
    font-size: 11px;
    padding: 5px 12px;
  }

  .page-home .path-item {
    padding: 13px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .path-item,
  .page-home .col-card,
  .page-home .speed-card {
    transition: none;
  }

  .page-home .path-item:hover,
  .page-home .path-item:focus-within,
  .page-home .col-card:hover,
  .page-home .speed-card:hover {
    transform: none;
  }
}