.page-home {
  display: block;
  overflow-x: hidden;
  background: var(--cream);
  color: var(--ink);
}

.page-home h2,
.page-home h3,
.page-home p {
  margin-top: 0;
}

.page-home .pg-rule {
  border: 0;
  border-top: 1px solid var(--hair);
  margin: 0;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero__split {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 1680px;
  margin-inline: auto;
}

.page-home .home-hero__brand {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  background: var(--red);
  color: var(--cream);
  padding: clamp(34px, 7vw, 68px) clamp(20px, 5vw, 60px);
}

.page-home .home-hero__brand .pg-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 4px;
  font-size: 13px;
  letter-spacing: .05em;
  color: rgba(247, 241, 227, .58);
}

.page-home .home-hero__brand .pg-eyebrow {
  color: var(--gold-hi);
}

.page-home .home-hero__brand .pg-h1 {
  margin: 0;
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5.4vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -.01em;
}

.page-home .home-hero__brand .pg-lede {
  margin: 0;
  max-width: 40ch;
  color: rgba(247, 241, 227, .84);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.page-home .home-hero__actions .pg-btn--ghost {
  border-color: rgba(242, 208, 114, .6);
  color: var(--gold-hi);
}

.page-home .home-hero__actions .pg-btn--ghost:hover {
  border-color: var(--gold-hi);
}

.page-home .home-hero__steps {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  min-height: 440px;
  padding: clamp(30px, 5vw, 56px) clamp(20px, 4vw, 48px);
  background: var(--ink);
}

.page-home .home-hero__visual {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.page-home .home-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg,
    rgba(140, 29, 44, .9) 0%,
    rgba(94, 18, 28, .78) 48%,
    rgba(36, 26, 22, .9) 100%);
}

.page-home .home-hero__svg {
  position: absolute;
  top: -12%;
  right: -14%;
  z-index: 1;
  width: 72%;
  max-width: 520px;
  opacity: .26;
  pointer-events: none;
}

.page-home .home-steps {
  position: relative;
  z-index: 2;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-home .home-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  background: rgba(36, 26, 22, .58);
  border: 1px solid rgba(227, 210, 168, .32);
  transition: background .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}

.page-home .home-step:hover {
  background: rgba(140, 29, 44, .8);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-home .home-step:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
  background: rgba(140, 29, 44, .8);
  border-color: var(--gold);
}

.page-home .home-step__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold-hi);
}

.page-home .home-step__text {
  color: rgba(247, 241, 227, .94);
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.6;
}

/* ---------- 分类标签轨道 ---------- */

.page-home .home-index,
.page-home .home-routes,
.page-home .home-report,
.page-home .home-contact {
  padding-block: clamp(44px, 7vw, 84px);
}

.page-home .home-index__grid {
  display: grid;
  gap: 34px;
}

.page-home .home-tabs {
  position: relative;
  min-width: 0;
}

.page-home .home-tabs .pg-tabs__list {
  display: flex;
  align-items: stretch;
  gap: 10px;
  margin: 0;
  padding: 4px 48px 14px 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -webkit-mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 52px), transparent 100%);
  mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 52px), transparent 100%);
}

.page-home .home-tabs .pg-tabs__list::-webkit-scrollbar {
  display: none;
}

.page-home .home-tabs .pg-tab {
  flex: none;
  scroll-snap-align: start;
  min-height: 44px;
  padding: 10px 18px;
  background: transparent;
  border: 1px solid var(--hair);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  border-radius: 0;
  transition: background .18s var(--ease), color .18s var(--ease),
              border-color .18s var(--ease), transform .18s var(--ease);
}

.page-home .home-tabs .pg-tab:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-home .home-tabs .pg-tab:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-home .home-tabs .pg-tab[aria-selected="true"] {
  background: var(--red);
  border-color: var(--red);
  color: var(--paper);
  box-shadow: inset 0 -3px 0 var(--gold);
}

.page-home .home-tabs .pg-panel {
  margin-top: 24px;
  padding: 4px 0 4px 20px;
  border-left: 2px solid var(--gold);
  max-width: 60ch;
}

.page-home .home-tabs .pg-panel[hidden] {
  display: none;
}

.page-home .home-tabs .pg-panel p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.8;
}

.page-home .home-index__media {
  margin: 0;
  border: 1px solid var(--hair);
  max-width: 320px;
}

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

/* ---------- 入口与适配 ---------- */

.page-home .home-routes__band {
  margin: 0 0 clamp(28px, 4vw, 44px);
  border: 1px solid var(--hair);
}

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

.page-home .home-routes__cols {
  display: grid;
  gap: 34px;
}

.page-home .home-routes__col {
  min-width: 0;
  border-top: 2px solid var(--gold);
  padding-top: 22px;
}

.page-home .home-routes__col > .pg-h3 {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  letter-spacing: -.005em;
}

.page-home .home-acc {
  border-bottom: 1px solid var(--hair);
}

.page-home .home-acc:first-of-type {
  border-top: 1px solid var(--hair);
}

.page-home .home-acc > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 12px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  transition: color .18s var(--ease);
}

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

.page-home .home-acc > summary::before {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: -4px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
  transition: transform .18s var(--ease), margin .18s var(--ease);
}

.page-home .home-acc[open] > summary::before {
  transform: rotate(225deg);
  margin-top: 4px;
}

.page-home .home-acc > summary:hover {
  color: var(--red);
}

.page-home .home-acc > summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-home .home-acc__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-home .home-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 11px 2px;
  border-bottom: 1px solid rgba(227, 210, 168, .55);
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  transition: color .18s var(--ease), background .18s var(--ease);
}

.page-home .home-entry:last-child {
  border-bottom: 0;
}

.page-home .home-entry:hover {
  color: var(--red);
  background: rgba(201, 162, 39, .08);
}

.page-home .home-entry:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-home .home-entry__name::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 1px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--gold);
}

.page-home .home-entry__to {
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
}

.page-home .home-device {
  padding: 12px 14px 12px 16px;
  margin-bottom: 10px;
  border-left: 2px solid var(--green);
  background: linear-gradient(90deg, rgba(31, 75, 63, .09), rgba(31, 75, 63, 0) 72%);
}

.page-home .home-device:last-child {
  margin-bottom: 0;
}

.page-home .home-device__k {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 700;
  color: var(--green);
}

.page-home .home-device__v {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 观察报告 ---------- */

.page-home .home-report__grid {
  display: grid;
  gap: 34px;
}

.page-home .home-report__body .pg-lede {
  max-width: 46ch;
}

.page-home .home-report__list {
  margin: 28px 0 30px;
  padding: 0;
  list-style: none;
}

.page-home .home-report__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid var(--hair);
}

.page-home .home-report__item:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-home .home-report__num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold);
}

@supports (-webkit-background-clip: text) or (background-clip: text) {
  .page-home .home-report__num {
    background: linear-gradient(170deg, var(--gold) 0%, var(--orange) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
}

.page-home .home-report__item .pg-h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: clamp(1.02rem, 2vw, 1.2rem);
}

.page-home .home-report__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .home-report__media {
  margin: 0;
  border: 1px solid var(--hair);
}

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

/* ---------- 联系与反馈 ---------- */

.page-home .home-contact__inner {
  display: grid;
  gap: 30px;
  padding-left: clamp(18px, 3vw, 34px);
  border-left: 3px solid var(--gold);
}

.page-home .home-contact__main .pg-lede {
  max-width: 46ch;
}

.page-home .home-contact__row {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 11px;
  margin-bottom: 11px;
  border-bottom: 1px solid rgba(227, 210, 168, .7);
}

.page-home .home-contact__k {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-home .home-contact__v {
  font-size: 15px;
  color: var(--ink);
  word-break: break-all;
}

.page-home .home-contact__note {
  margin: 0 0 22px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-home .home-routes__band img {
    aspect-ratio: 1400 / 520;
  }

  .page-home .home-contact__row {
    grid-template-columns: 68px minmax(0, 1fr);
  }
}

@media (min-width: 880px) {
  .page-home .home-routes__cols {
    grid-template-columns: 1fr 1fr;
    gap: 44px;
  }

  .page-home .home-report__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(220px, .6fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .home-report__media {
    margin-top: 6px;
  }

  .page-home .home-contact__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(250px, .75fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .home-contact__main {
    padding-top: 4px;
  }
}

@media (min-width: 900px) {
  .page-home .home-index__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(200px, .7fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .home-index__media {
    max-width: none;
  }
}

@media (min-width: 960px) {
  .page-home .home-hero__split {
    grid-template-columns: 1fr 1fr;
    min-height: min(84vh, 800px);
  }

  .page-home .home-hero__brand {
    border-right: 1px solid var(--hair);
  }

  .page-home .home-hero__steps {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-step,
  .page-home .home-tabs .pg-tab,
  .page-home .home-entry,
  .page-home .home-acc > summary::before {
    transition: none;
  }

  .page-home .home-step:hover,
  .page-home .home-tabs .pg-tab:hover {
    transform: none;
  }
}