.page-home {
  --home-shift: 26px;
  --home-rail-top: 96px;
  background: var(--c-mist);
  color: var(--c-ink);
}

.page-home .breadcrumb {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--c-gray);
  margin-bottom: 20px;
}

.page-home .breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
}

.page-home .breadcrumb li[aria-current="page"] {
  color: var(--c-blue);
  font-weight: 600;
}

/* ===== 首屏 ===== */
.page-home .home-open {
  padding: clamp(28px, 5vw, 60px) 0 clamp(28px, 4vw, 48px);
  background:
    radial-gradient(120% 90% at 92% 0%, rgba(18, 58, 94, 0.13), transparent 62%),
    radial-gradient(90% 70% at 0% 100%, rgba(255, 194, 46, 0.16), transparent 66%),
    var(--c-mist);
}

.page-home .kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--c-red);
  background: rgba(225, 29, 46, 0.07);
  border: 1px solid rgba(225, 29, 46, 0.22);
  border-radius: var(--r-pill);
  padding: 6px 14px;
  margin: 0;
}

.page-home h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.4vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 18px 0 0;
  max-width: 20ch;
}

.page-home .lede {
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.8;
  color: var(--c-gray);
  max-width: 34em;
  margin: 18px 0 0;
}

.page-home .open-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(28px, 4.5vw, 52px);
  grid-template-columns: minmax(0, 1fr);
}

/* ===== 入口卡 ===== */
.page-home .open-cards {
  display: grid;
  gap: 14px;
  align-content: center;
}

.page-home .entry-card {
  --shift: 0px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: var(--c-paper);
  border: 1px solid var(--c-track);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-1);
  color: inherit;
  text-decoration: none;
  transform: translate3d(var(--shift), 0, 0);
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .entry-card:nth-child(2) { --shift: var(--home-shift); }
.page-home .entry-card:nth-child(3) { --shift: 10px; }

.page-home .entry-card:hover,
.page-home .entry-card:focus-visible {
  transform: translate3d(var(--shift), -4px, 0);
  box-shadow: var(--shadow-2);
  border-color: rgba(225, 29, 46, 0.34);
}

.page-home .entry-card__mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: var(--r-md);
  background: var(--c-mist);
}

.page-home .entry-card__body {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-home .entry-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-home .entry-card__text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--c-gray);
}

.page-home .entry-card__go {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: var(--r-pill);
  background: var(--c-mist);
  color: var(--c-blue);
  font-size: 0.9rem;
  transition: background 160ms var(--ease), color 160ms var(--ease);
}

.page-home .entry-card:hover .entry-card__go,
.page-home .entry-card:focus-visible .entry-card__go {
  background: var(--c-red);
  color: var(--c-paper);
}

/* ===== 首屏视觉锚点 ===== */
.page-home .open-visual {
  position: relative;
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2);
  background: linear-gradient(160deg, var(--c-ink), var(--c-blue));
}

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

.page-home .open-visual .media__tag {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(7, 26, 46, 0.78);
  color: var(--c-paper);
  border-radius: var(--r-pill);
  padding: 7px 14px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

/* ===== 主栏与侧栏 ===== */
.page-home .layout-rail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
  padding-bottom: clamp(40px, 7vw, 88px);
}

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

.page-home .rail-card {
  background: linear-gradient(165deg, var(--c-ink) 0%, var(--c-blue) 100%);
  border-radius: var(--r-xl);
  color: #E9F0F7;
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

.page-home .rail-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  color: var(--c-yellow);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.page-home .rail-card__top::-webkit-details-marker { display: none; }

.page-home .rail-card__chev {
  width: 9px;
  height: 9px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 160ms var(--ease);
}

.page-home .rail-card[open] .rail-card__chev {
  transform: rotate(-135deg);
}

.page-home .rail-card__body {
  padding: 18px 20px 22px;
}

.page-home .rail-card__lede {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: #B9C9DA;
}

.page-home .rail-marks {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 0.8125rem;
  color: #CBD9E7;
}

.page-home .rail-marks li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-home .mark {
  flex: 0 0 auto;
  width: 12px;
  height: 16px;
  border-radius: 3px;
}

.page-home .mark--red { background: var(--c-red); }
.page-home .mark--yellow { background: var(--c-yellow); }

.page-home .rail-rows {
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: grid;
  gap: 10px;
  font-size: 0.8125rem;
}

.page-home .rail-rows > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-home .rail-rows dt {
  color: #8FA6BC;
}

.page-home .rail-rows dd {
  margin: 0;
  font-family: var(--font-num);
  color: var(--c-paper);
}

.page-home .rail-note {
  margin: 18px 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: #9FB3C6;
}

.page-home .rail-note .num {
  font-family: var(--font-num);
  color: var(--c-yellow);
}

.page-home .rail-visual {
  margin: 18px 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
}

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

/* ===== 章节 ===== */
.page-home .flow {
  min-width: 0;
}

.page-home .chapter {
  padding: clamp(30px, 4.6vw, 52px) 0;
  scroll-margin-top: 120px;
}

.page-home .chapter + .chapter {
  border-top: 1px solid var(--c-track);
}

.page-home .chapter__head {
  max-width: 46em;
}

.page-home .chapter__head::before {
  content: "";
  display: block;
  width: 62px;
  height: 6px;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--c-red), var(--c-yellow));
  margin-bottom: 16px;
}

.page-home .chapter__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--c-gray);
}

.page-home .chapter__kicker .index-num {
  color: var(--c-red);
  font-weight: 700;
}

.page-home .chapter .section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.6vw, 2.15rem);
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--c-ink);
}

.page-home .chapter__lede {
  max-width: 34em;
  margin: 12px 0 0;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--c-gray);
}

.page-home .chapter__note {
  max-width: 34em;
  margin: 20px 0 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--c-gray);
}

.page-home .chapter__action {
  margin: 20px 0 0;
}

.page-home .chapter__action .btn {
  text-decoration: none;
}

/* ===== 首屏内联事实 ===== */
.page-home .inline-facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .inline-facts li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--c-paper);
  border: 1px solid var(--c-track);
  border-radius: var(--r-pill);
  font-size: 0.875rem;
  color: var(--c-ink-soft);
}

.page-home .inline-facts .num {
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--c-red);
}

/* ===== 三步核对 ===== */
.page-home .steps {
  counter-reset: step;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .steps li {
  position: relative;
  background: var(--c-paper);
  border: 1px solid var(--c-track);
  border-left: 4px solid var(--c-red);
  border-radius: var(--r-lg);
  padding: 18px 20px 18px 66px;
  box-shadow: var(--shadow-1);
}

.page-home .steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 22px;
  top: 18px;
  font-family: var(--font-num);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--c-red);
}

.page-home .steps__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-home .steps p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--c-gray);
  max-width: 38em;
}

/* ===== 场馆章节 ===== */
.page-home .venue-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  margin-top: 24px;
  align-items: center;
}

.page-home .venue-visual,
.page-home .support-visual {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-1);
  background: var(--c-track);
}

.page-home .venue-visual img,
.page-home .support-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .stat-row {
  list-style: none;
  margin: 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-track);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-home .stat-row li {
  background: var(--c-paper);
  padding: 16px 14px;
  display: grid;
  gap: 5px;
}

.page-home .stat-num {
  font-family: var(--font-num);
  font-size: clamp(1.25rem, 3.4vw, 1.75rem);
  font-weight: 700;
  line-height: 1;
  color: var(--c-blue);
}

.page-home .stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--c-gray);
}

.page-home .venue-copy__text {
  margin: 18px 0 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--c-gray);
  max-width: 34em;
}

/* ===== 版本对照 ===== */
.page-home .compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 2.4vw, 20px);
  margin-top: 24px;
}

.page-home .compare__col {
  border-radius: var(--r-lg);
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--c-track);
  background: var(--c-paper);
}

.page-home .compare__col--old {
  border-style: dashed;
  background: rgba(217, 224, 232, 0.34);
}

.page-home .compare__col--new {
  background: linear-gradient(160deg, var(--c-ink) 0%, var(--c-blue) 100%);
  border-color: transparent;
  color: var(--c-paper);
  box-shadow: var(--shadow-2);
}

.page-home .compare__label {
  margin: 0;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--c-gray);
}

.page-home .compare__col--new .compare__label {
  color: var(--c-yellow);
}

.page-home .compare__num {
  margin: 10px 0 0;
  font-family: var(--font-num);
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--c-red);
}

.page-home .compare__col--new .compare__num {
  color: var(--c-yellow);
}

.page-home .compare__unit {
  margin: 6px 0 0;
  font-size: 0.875rem;
  color: var(--c-gray);
}

.page-home .compare__col--new .compare__unit {
  color: #B9C9DA;
}

.page-home .compare__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 0.875rem;
  line-height: 1.65;
}

.page-home .compare__list li {
  padding-left: 16px;
  position: relative;
}

.page-home .compare__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--c-gray);
}

.page-home .compare__col--new .compare__list li::before {
  background: var(--c-cyan);
}

/* ===== 支持章节 ===== */
.page-home .support-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  margin-top: 24px;
  align-items: center;
}

.page-home .support-copy p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--c-gray);
  max-width: 34em;
}

/* ===== 联络条 ===== */
.page-home .contact-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 22px;
  padding: 1px;
  background: var(--c-track);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-home .contact-item {
  background: var(--c-paper);
  padding: 18px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-home .contact-item__key {
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--c-gray);
  flex: 0 0 auto;
  min-width: 4.5em;
}

.page-home .contact-item__val {
  font-family: var(--font-num);
  font-size: 0.9375rem;
  color: var(--c-ink);
  flex: 1 1 auto;
  word-break: break-all;
}

.page-home .contact-item--wide .contact-item__val {
  font-family: var(--font-body);
}

.page-home .contact-item .btn {
  flex: 0 0 auto;
}

/* ===== 交互与动效 ===== */
.page-home a:focus-visible,
.page-home summary:focus-visible,
.page-home button:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

@media (scripting: enabled) {
  .page-home [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 400ms var(--ease), transform 400ms var(--ease);
  }

  .page-home [data-reveal].is-in {
    opacity: 1;
    transform: none;
  }
}

@media (scripting: enabled) and (prefers-reduced-motion: reduce) {
  .page-home [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== 响应式 ===== */
@media (max-width: 899px) {
  .page-home .entry-card:nth-child(2),
  .page-home .entry-card:nth-child(3) {
    --shift: 0px;
  }

  .page-home .entry-card:hover,
  .page-home .entry-card:focus-visible {
    transform: translate3d(0, -3px, 0);
  }
}

@media (max-width: 640px) {
  .page-home .compare {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 80%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 10px;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
  }

  .page-home .compare__col {
    scroll-snap-align: start;
  }

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

  .page-home .steps li {
    padding-left: 58px;
  }
}

@media (min-width: 760px) {
  .page-home .venue-split,
  .page-home .support-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

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

  .page-home .contact-item--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-home .open-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: center;
  }

  .page-home .open-cards {
    padding-right: calc(var(--home-shift) + 8px);
  }
}

@media (min-width: 1024px) {
  .page-home .layout-rail {
    grid-template-columns: minmax(240px, 284px) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-home .rail {
    position: sticky;
    top: var(--home-rail-top);
  }
}
<<<END>>>