.page-home {
  --home-pad: clamp(18px, 4.6vw, 72px);
  --home-gap: clamp(16px, 2.6vw, 32px);
  --home-block: clamp(44px, 7vw, 96px);
  display: block;
  overflow-x: clip;
}

/* ---------- 首屏分屏 ---------- */
.page-home .hero-split {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  padding: clamp(30px, 6vw, 76px) var(--home-pad) clamp(34px, 6.5vw, 88px);
  border-bottom: var(--line);
}

.page-home .hero-split::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: clamp(64px, 12vw, 168px);
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-lt));
}

.page-home .hero-title {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(36px, 8.6vw, 86px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--silver);
}

.page-home .hero-title__lead {
  display: block;
  margin-bottom: 0.5em;
  font-size: 0.4em;
  font-weight: 300;
  letter-spacing: 0.16em;
  color: var(--silver-mid);
}

.page-home .hero-title__main {
  display: block;
}

.page-home .hero-title em {
  font-style: normal;
  font-weight: 900;
  background: linear-gradient(100deg, var(--silver) 4%, var(--gold) 54%, var(--gold-lt) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-home .hero-lead {
  max-width: 48ch;
  margin: 24px 0 0;
  font-size: clamp(15px, 1.25vw, 17px);
  line-height: 1.85;
  color: var(--silver-mid);
}

.page-home .hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .hero-split__visual {
  position: relative;
  min-height: 252px;
  border: var(--line);
  overflow: hidden;
  isolation: isolate;
  background: var(--panel-deep);
}

.page-home .hero-visual__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  filter: saturate(0.78) contrast(1.08);
}

.page-home .hero-visual__grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--grid);
  opacity: 0.6;
  mix-blend-mode: screen;
}

.page-home .hero-visual__streak {
  position: absolute;
  top: -34%;
  left: -24%;
  width: 58%;
  height: 172%;
  pointer-events: none;
  filter: blur(18px);
  animation: home-streak 22s var(--ease) infinite;
}

.page-home .hero-visual__streak--a {
  background: linear-gradient(90deg, transparent, rgba(77, 163, 255, 0.24) 42%, rgba(201, 166, 92, 0.26) 66%, transparent);
  transform: rotate(18deg) translateX(-46%);
}

.page-home .hero-visual__streak--b {
  background: linear-gradient(90deg, transparent, rgba(201, 166, 92, 0.22) 38%, rgba(31, 99, 216, 0.2) 70%, transparent);
  transform: rotate(18deg) translateX(-10%);
  animation-duration: 30s;
  animation-delay: -8s;
}

.page-home .hero-visual__lane {
  position: absolute;
  inset: auto -12% -8% -12%;
  height: 46%;
  pointer-events: none;
  background: repeating-linear-gradient(96deg, rgba(233, 237, 242, 0.07) 0 1px, transparent 1px 34px);
  transform: skewY(-4deg);
}

@keyframes home-streak {
  0% { transform: rotate(18deg) translateX(-58%); }
  55% { transform: rotate(18deg) translateX(24%); }
  100% { transform: rotate(18deg) translateX(96%); }
}

/* ---------- 实时信息条 ---------- */
.page-home .signals {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-bottom: var(--line);
}

.page-home .signal {
  position: relative;
  padding: 24px var(--home-pad) 26px;
  border-top: var(--line);
}

.page-home .signal:first-child {
  border-top: 0;
}

.page-home .signal::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--grid);
  transition: background-color 0.3s var(--ease);
}

.page-home .signal:hover::before,
.page-home .signal:focus-within::before {
  background: var(--gold);
}

.page-home .signal__top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-home .signal__no {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-home .signal__value {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--silver);
  font-variant-numeric: tabular-nums;
}

.page-home .signal__more {
  max-height: 0;
  margin: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.34s var(--ease), opacity 0.28s var(--ease);
}

.page-home .signal__more span {
  display: block;
  padding-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver-mid);
}

.page-home .signal:hover .signal__more,
.page-home .signal:focus-within .signal__more {
  max-height: 9em;
  opacity: 1;
}

.page-home .signal__link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid var(--grid);
  padding-bottom: 3px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

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

/* ---------- 章节索引 ---------- */
.page-home .chapter-index {
  position: sticky;
  top: var(--mobilebar-h);
  z-index: 5;
  background: rgba(11, 14, 19, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: var(--line);
}

.page-home .chapter-index__list {
  display: flex;
  gap: clamp(12px, 2.4vw, 30px);
  margin: 0;
  padding: 0 var(--home-pad);
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .chapter-index__list::-webkit-scrollbar {
  display: none;
}

.page-home .chapter-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  white-space: nowrap;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--silver-mid);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-home .chapter-index__no {
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--grid);
}

.page-home .chapter-index__list a:hover,
.page-home .chapter-index__list a:focus-visible {
  color: var(--pulse);
}

.page-home .chapter-index__list a.is-active,
.page-home .chapter-index__list a[aria-current="true"],
.page-home .chapter-index__list a[aria-current="location"] {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-home .chapter-index__list a.is-active .chapter-index__no {
  color: var(--gold-lt);
}

/* ---------- 通用区块 ---------- */
.page-home .block {
  padding: var(--home-block) var(--home-pad);
  border-bottom: var(--line);
}

.page-home .block .section__head {
  max-width: 64ch;
  margin: 0 0 clamp(24px, 3.6vw, 46px);
}

.page-home .section__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 4.6vw, 46px);
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--silver);
}

.page-home .section__title em {
  font-style: normal;
  font-weight: 900;
  background: linear-gradient(100deg, var(--silver) 4%, var(--gold) 58%, var(--gold-lt) 98%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-home .section__lead {
  max-width: 62ch;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver-mid);
}

/* ---------- 栏目索引 ---------- */
.page-home .channel-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--line);
}

.page-home .channel-list li {
  border-bottom: var(--line);
}

.page-home .ch {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  grid-template-areas:
    "no name"
    "no meta"
    "no freq"
    "no go";
  align-items: baseline;
  gap: 4px 16px;
  padding: 18px 14px 18px 2px;
  text-decoration: none;
  color: inherit;
  border-left: 2px solid transparent;
  transition: border-color 0.28s var(--ease), background-color 0.28s var(--ease);
}

.page-home .ch:hover,
.page-home .ch:focus-visible {
  border-left-color: var(--blue);
  background: linear-gradient(90deg, rgba(31, 99, 216, 0.16), transparent 64%);
}

.page-home .ch__no {
  grid-area: no;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--grid);
  transition: color 0.28s var(--ease);
}

.page-home .ch:hover .ch__no,
.page-home .ch:focus-visible .ch__no {
  color: var(--gold);
}

.page-home .ch__name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--silver);
}

.page-home .ch__meta,
.page-home .ch__freq {
  grid-area: meta;
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--silver-mid);
}

.page-home .ch__freq {
  grid-area: freq;
}

.page-home .ch__go {
  grid-area: go;
  justify-self: start;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pulse);
  border: 1px solid var(--grid);
  padding: 4px 10px;
  transition: color 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-home .ch:hover .ch__go,
.page-home .ch:focus-visible .ch__go {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 分隔图 ---------- */
.page-home .home-band {
  margin: 0;
  border-bottom: var(--line);
}

.page-home .home-band .figure__frame {
  position: relative;
  overflow: hidden;
  background: var(--panel-deep);
}

.page-home .home-band img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .home-band .figure__caption {
  padding: 14px var(--home-pad) 16px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--silver-mid);
  border-top: var(--line);
}

/* ---------- 价格规则 ---------- */
.page-home .block--pricing {
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(31, 99, 216, 0.16), transparent 58%),
    var(--panel-deep);
}

.page-home .pricing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
}

.page-home .pricing-copy p {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver-mid);
}

.page-home .rule-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--line);
}

.page-home .rule-list li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: var(--line);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--silver);
}

.page-home .rule__k {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-top: 4px;
}

.page-home .pricing-aside {
  border: var(--line);
  background: var(--panel);
}

.page-home .pricing-aside img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: var(--line);
}

.page-home .pricing-aside__body {
  padding: 20px 20px 24px;
}

.page-home .pricing-aside__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver-mid);
}

.page-home .pricing-aside__link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--grid);
  padding-bottom: 3px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-home .pricing-aside__link:hover,
.page-home .pricing-aside__link:focus-visible {
  color: var(--gold-lt);
  border-bottom-color: var(--gold-lt);
}

/* ---------- 批次追溯 ---------- */
.page-home .block--batches {
  background: linear-gradient(115deg, var(--ink) 0%, var(--panel) 100%);
}

.page-home .batches-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 54px);
  align-items: center;
}

.page-home .batches-visual {
  border: var(--line);
  overflow: hidden;
  background: var(--panel-deep);
}

.page-home .batches-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.9;
}

.page-home .batch-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0;
  border-top: var(--line);
}

.page-home .batch-fact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: var(--line);
}

.page-home .batch-fact dt {
  font-size: 13.5px;
  letter-spacing: 0.06em;
  color: var(--silver-mid);
}

.page-home .batch-fact dd {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--silver);
  font-variant-numeric: tabular-nums;
}

/* ---------- 服务与联络 ---------- */
.page-home .block--service {
  background:
    linear-gradient(180deg, rgba(201, 166, 92, 0.08) 0%, transparent 42%),
    var(--ink);
}

.page-home .service-statement {
  max-width: 66ch;
  margin: 0 0 clamp(26px, 3.4vw, 42px);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.85;
  color: var(--silver);
}

.page-home .service-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--grid);
  border: var(--line);
}

.page-home .service-stats__item {
  background: var(--panel-deep);
  padding: 20px 18px 22px;
}

.page-home .service-stats__item dt {
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver-mid);
}

.page-home .service-stats__item dd {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 600;
  color: var(--silver);
  font-variant-numeric: tabular-nums;
}

.page-home .service-note {
  max-width: 66ch;
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver-mid);
  padding-left: 16px;
  border-left: 2px solid var(--gold);
}

.page-home .service-paths {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .service-paths a {
  display: inline-block;
  padding: 9px 14px;
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--silver);
  text-decoration: none;
  border: 1px solid var(--grid);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-home .service-paths a:hover,
.page-home .service-paths a:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(201, 166, 92, 0.08);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .signals {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .signal {
    border-top: 0;
  }

  .page-home .signal + .signal {
    border-left: var(--line);
  }

  .page-home .home-band img {
    height: clamp(210px, 24vw, 340px);
  }

  .page-home .batch-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 4vw, 48px);
  }

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

@media (min-width: 860px) {
  .page-home .ch {
    grid-template-columns: 58px minmax(0, 1.15fr) minmax(0, 0.95fr) minmax(0, 0.95fr) 74px;
    grid-template-areas: "no name meta freq go";
    align-items: center;
    gap: 0 22px;
    padding: 20px 18px 20px 4px;
  }

  .page-home .ch__go {
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .page-home .hero-split {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
    gap: clamp(36px, 4.6vw, 82px);
    min-height: 62vh;
  }

  .page-home .hero-split__visual {
    min-height: 480px;
  }

  .page-home .chapter-index {
    top: var(--status-h);
  }

  .page-home .pricing-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: start;
  }

  .page-home .batches-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-visual__streak {
    animation: none;
    transform: rotate(18deg) translateX(0);
  }

  .page-home .signal__more,
  .page-home .ch,
  .page-home .ch__no,
  .page-home .ch__go,
  .page-home .chapter-index__list a,
  .page-home .signal::before {
    transition: none;
  }
}