.page-home {
  --home-gap: clamp(20px, 3vw, 36px);
  --home-line: rgba(30, 26, 23, .14);
  --home-line-soft: rgba(30, 26, 23, .07);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-home .visually-plain {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 首屏框景 ---------- */
.page-home .hero-shell {
  position: relative;
  padding: clamp(18px, 4vw, 34px) 0 clamp(34px, 6vw, 66px);
}

.page-home .hero-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, var(--home-line) 0 1px, transparent 1px),
    linear-gradient(90deg, var(--home-line) 0 1px, transparent 1px),
    linear-gradient(90deg, var(--home-line) 0 1px, transparent 1px);
  background-repeat: no-repeat;
  background-size: 1px 100%, 1px 100%, 1px 100%;
  background-position: 12% 0, 50% 0, 88% 0;
  opacity: .75;
}

.page-home .hero-shell::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 9px;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(217, 164, 65, .55) 0 1px, transparent 1px 20px);
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  margin-top: clamp(14px, 2.5vw, 26px);
}

.page-home .hero-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(36px, 8.4vw, 68px);
  line-height: 1.06;
  letter-spacing: -.02em;
  margin: 10px 0 18px;
  text-indent: -.05em;
  color: var(--ink);
}

.page-home .hero-title::after {
  content: "";
  display: block;
  width: 62px;
  height: 5px;
  margin-top: 16px;
  background: var(--vermilion);
}

.page-home .hero-lead {
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 46em;
  margin: 0 0 24px;
}

.page-home .hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .hero-meta {
  list-style: none;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--home-line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-soft);
}

.page-home .hero-meta__num {
  display: block;
  font-family: var(--font-num);
  font-size: 19px;
  letter-spacing: 0;
  color: var(--vermilion);
}

.page-home .hero-frame {
  position: relative;
  margin: 0;
  padding: 12px;
  background: var(--paper-3);
  border: 1px solid rgba(199, 53, 43, .32);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1);
}

.page-home .hero-frame::before,
.page-home .hero-frame::after {
  content: "";
  position: absolute;
  width: 44px;
  height: 44px;
  pointer-events: none;
}

.page-home .hero-frame::before {
  top: -1px;
  left: -1px;
  border-top: 3px solid var(--vermilion);
  border-left: 3px solid var(--vermilion);
  border-top-left-radius: var(--r-md);
}

.page-home .hero-frame::after {
  right: -1px;
  bottom: -1px;
  border-bottom: 3px solid var(--gold);
  border-right: 3px solid var(--gold);
  border-bottom-right-radius: var(--r-md);
}

.page-home .hero-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--r-sm);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 92% 100%, 0 100%);
}

.page-home .hero-frame__badge {
  position: absolute;
  top: -13px;
  right: 22px;
  z-index: 2;
  padding: 5px 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink);
  background: var(--gold-light);
  border: 1px solid var(--gold);
  border-radius: 999px;
}

.page-home .hero-frame figcaption {
  padding: 10px 4px 2px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--ink-soft);
}

/* ---------- 入口刻度带 ---------- */
.page-home .gate-strip {
  list-style: none;
  margin: clamp(24px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-home .gate {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--paper-3);
  color: inherit;
  text-decoration: none;
  transition: background .3s var(--ease), transform .3s var(--ease);
}

.page-home .gate:hover,
.page-home .gate:focus-visible {
  background: var(--gold-light);
  transform: translateX(3px);
}

.page-home .gate__num {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--vermilion);
}

.page-home .gate__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .01em;
}

.page-home .gate__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* ---------- 频道锁定 ---------- */
.page-home .channels {
  padding-block: clamp(38px, 7vw, 82px);
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-3) 100%);
}

.page-home .section-lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 44em;
  margin: 12px 0 0;
}

.page-home .cat-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 24px;
}

.page-home .cat-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  align-items: start;
}

.page-home .cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-home .cat {
  padding: 16px 18px;
  background: var(--paper-3);
  border-left: 3px solid var(--vermilion);
  border-radius: var(--r-sm);
  box-shadow: 0 1px 0 var(--home-line-soft);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-home .cat:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-1);
}

.page-home .cat:nth-child(2) { border-left-color: var(--gold); }
.page-home .cat:nth-child(3) { border-left-color: var(--green); }
.page-home .cat:nth-child(4) { border-left-color: var(--indigo); }
.page-home .cat:nth-child(5) { border-left-color: var(--vermilion-deep); }
.page-home .cat:nth-child(6) { border-left-color: var(--gold); }

.page-home .cat__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  margin: 0 0 6px;
  letter-spacing: .01em;
}

.page-home .cat__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-home .pin-panel {
  padding: 18px;
  background: var(--paper-2);
  border-radius: var(--r-md);
  position: relative;
}

.page-home .pin-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  width: 54px;
  height: 4px;
  background: var(--vermilion);
}

.page-home .pin-figure {
  margin: 8px 0 16px;
}

.page-home .pin-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r-sm);
}

.page-home .pin-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  margin: 0 0 10px;
}

.page-home .pin-panel p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-home .pin-note {
  padding: 12px 14px;
  background: rgba(31, 107, 87, .1);
  border-left: 3px solid var(--green);
  border-radius: var(--r-sm);
  color: var(--ink);
}

.page-home .pin-link {
  display: inline-block;
  margin-top: 4px;
  font-weight: 700;
  font-size: 14px;
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
}

/* ---------- 回放学习 ---------- */
.page-home .replay {
  padding-block: clamp(30px, 6vw, 70px);
  background: var(--paper);
}

.page-home .replay-shell {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  padding: clamp(22px, 4vw, 44px);
  background: var(--paper-2);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-home .replay-shell::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle at 30% 30%, rgba(217, 164, 65, .4), transparent 70%);
  pointer-events: none;
}

.page-home .replay-main {
  position: relative;
  z-index: 1;
}

.page-home .replay-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 6px;
}

.page-home .replay-note {
  padding: 16px 0;
  border-top: 1px dashed var(--home-line);
}

.page-home .replay-note h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  margin: 0 0 6px;
}

.page-home .replay-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-home .replay-figure {
  margin: 0;
  position: relative;
  z-index: 1;
}

.page-home .replay-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r-md);
  border: 1px solid rgba(42, 59, 110, .18);
}

.page-home .replay-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--ink-soft);
}

/* ---------- V3 通道 ---------- */
.page-home .v3 {
  padding-block: clamp(38px, 7vw, 84px);
  background: var(--felt);
  color: var(--paper-3);
  position: relative;
  overflow: hidden;
}

.page-home .v3::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, rgba(245, 235, 221, .06) 0 1px, transparent 1px 26px);
}

.page-home .v3-shell {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  align-items: center;
}

.page-home .v3 h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 5vw, 42px);
  line-height: 1.18;
  margin: 8px 0 16px;
  color: var(--paper-3);
}

.page-home .eyebrow--light {
  color: var(--gold-light);
  border-color: rgba(240, 211, 138, .5);
}

.page-home .v3-lead {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 235, 221, .8);
  margin: 0 0 20px;
  max-width: 40em;
}

.page-home .v3-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .v3-list li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(245, 235, 221, .14);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 235, 221, .9);
}

.page-home .v3-list__key {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-home .v3-link {
  display: inline-block;
  padding: 11px 22px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--felt);
  background: var(--gold-light);
  border-radius: 999px;
  text-decoration: none;
  transition: background .3s var(--ease), transform .3s var(--ease);
}

.page-home .v3-link:hover,
.page-home .v3-link:focus-visible {
  background: var(--gold);
  transform: translateY(-2px);
}

.page-home .v3-figure {
  margin: 0;
}

.page-home .v3-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--r-md);
  border: 1px solid rgba(240, 211, 138, .28);
}

.page-home .v3-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .05em;
  color: rgba(245, 235, 221, .62);
}

/* ---------- 变更摘要 ---------- */
.page-home .changes {
  padding-block: clamp(38px, 7vw, 82px);
  background: var(--paper);
}

.page-home .change-list {
  margin-top: 24px;
  border-top: 1px solid var(--home-line);
}

.page-home .change {
  border-bottom: 1px solid var(--home-line);
  background: transparent;
}

.page-home .change summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  transition: color .25s var(--ease);
}

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

.page-home .change summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 16px;
  color: var(--vermilion);
}

.page-home .change[open] summary::after {
  content: "－";
}

.page-home .change summary:hover {
  color: var(--vermilion-deep);
}

.page-home .change__ver {
  flex: 0 0 auto;
  padding: 2px 9px;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--indigo);
  border: 1px solid rgba(42, 59, 110, .35);
  border-radius: 999px;
}

.page-home .change__body {
  padding: 0 4px 18px;
}

.page-home .change__body p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .change__body strong {
  color: var(--ink);
}

/* ---------- 老友捷径与联络 ---------- */
.page-home .shortcuts {
  padding-block: clamp(30px, 6vw, 70px) clamp(40px, 7vw, 86px);
  background: var(--paper-3);
}

.page-home .shortcut-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .shortcut-card {
  padding: clamp(22px, 4vw, 36px);
  border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--vermilion) 0%, var(--vermilion-deep) 100%);
  color: var(--paper-3);
}

.page-home .shortcut-lead {
  font-size: clamp(16px, 2.6vw, 19px);
  line-height: 1.75;
  margin: 6px 0 22px;
  max-width: 26em;
}

.page-home .shortcut-link {
  display: inline-block;
  padding-bottom: 3px;
  font-size: 14px;
  font-weight: 700;
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 2px solid var(--gold-light);
}

.page-home .contact-card {
  padding: clamp(22px, 4vw, 34px);
  background: var(--paper);
  border: 1px solid rgba(42, 59, 110, .3);
  border-radius: var(--r-md);
}

.page-home .contact-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin: 6px 0 18px;
}

.page-home .contact-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .contact-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--home-line);
}

.page-home .contact-list__key {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--indigo);
}

.page-home .contact-list a {
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid rgba(42, 59, 110, .35);
  word-break: break-all;
}

.page-home .contact-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--vermilion-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-home .cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-home .gate-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .hero-meta {
    gap: 10px 38px;
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
  }
  .page-home .gate-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .replay-shell {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: start;
  }
  .page-home .v3-shell {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
  .page-home .shortcut-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
}

@media (min-width: 1024px) {
  .page-home .cat-layout {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
  }
}

@media (min-width: 1200px) {
  .page-home .hero-title {
    font-size: 68px;
  }
  .page-home .change summary {
    font-size: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .gate,
  .page-home .cat,
  .page-home .v3-link,
  .page-home .change summary {
    transition: none;
  }
  .page-home .gate:hover,
  .page-home .cat:hover,
  .page-home .v3-link:hover {
    transform: none;
  }
}
<<<END>>>