.page-home {
  --home-frame-bg: linear-gradient(180deg, rgba(18, 48, 74, 0.62), rgba(11, 27, 43, 0.28));
  --home-tick: rgba(140, 154, 163, 0.34);
  --home-card-bg: rgba(18, 48, 74, 0.42);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 7vw, 90px);
  overflow-x: hidden;
}

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
}

.page-home h2 {
  font-size: clamp(23px, 3.4vw, 38px);
  line-height: 1.18;
}

.page-home h3 {
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.4;
}

.page-home .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-home .prose {
  color: var(--veil);
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.75;
  max-width: 62ch;
  margin: 18px 0 0;
}

.page-home .section {
  padding: clamp(46px, 6vw, 86px) 0;
  border-top: 1px solid var(--line);
}

.page-home .section__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 8px;
}

.page-home .section-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--amber);
  flex: 0 0 auto;
}

/* ---------- 框景首屏 ---------- */
.page-home .home-hero {
  padding: clamp(26px, 4.5vw, 54px) 0 clamp(38px, 5.5vw, 74px);
}

.page-home .home-context {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--stone);
}

.page-home .home-context__mark {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(127, 209, 174, 0.16);
}

.page-home .home-frame {
  border: 1px solid var(--line-strong);
  background: var(--home-frame-bg);
  box-shadow: var(--shadow-soft);
}

.page-home .home-frame__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding: 10px clamp(12px, 2vw, 20px);
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--stone);
}

.page-home .home-frame__label--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-home .home-frame__ticks {
  height: 12px;
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(90deg, var(--home-tick) 0 1px, transparent 1px 26px);
}

.page-home .home-frame__body {
  display: grid;
  grid-template-columns: 1fr;
}

.page-home .home-rail {
  display: flex;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-home .home-rail__item {
  flex: 0 0 auto;
  min-width: 168px;
  padding: 16px 18px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .home-rail__label {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--stone);
}

.page-home .home-rail__num {
  font-size: clamp(30px, 8vw, 40px);
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}

.page-home .home-rail__mark {
  font-size: 26px;
  color: var(--paper);
  line-height: 1;
}

.page-home .home-rail__text {
  font-size: 14px;
  color: var(--paper);
  line-height: 1.5;
}

.page-home .home-hero__main {
  padding: clamp(22px, 3.4vw, 42px);
}

.page-home .home-hero__main h1 {
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.08;
  margin: 0 0 18px;
}

.page-home .home-hero__main .lede {
  color: var(--veil);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.75;
  max-width: 58ch;
  margin: 0 0 26px;
}

.page-home .button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .home-hero__media {
  margin-top: clamp(26px, 3vw, 38px);
}

/* ---------- 媒体容器 ---------- */
.page-home .media-frame {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  overflow: hidden;
}

.page-home .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .media-frame__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 当前状态 ---------- */
.page-home .home-state__layout {
  gap: clamp(24px, 3.5vw, 48px);
}

.page-home .home-state__rail-value {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 28px);
  letter-spacing: -0.02em;
  color: var(--mint);
}

.page-home .home-state__rail-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

.page-home .home-state__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 2.6vw, 32px);
  margin-top: clamp(26px, 3vw, 36px);
}

.page-home .home-state__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .home-state__item {
  border: 1px solid var(--line);
  border-left: 3px solid var(--stone);
  background: var(--home-card-bg);
  padding: 16px 18px;
}

.page-home .home-state__item--stable {
  border-left-color: var(--mint);
}

.page-home .home-state__item--tuning {
  border-left-color: var(--amber);
}

.page-home .home-state__item--planned {
  border-left-color: var(--clay);
}

.page-home .home-state__title {
  margin: 10px 0 6px;
}

.page-home .home-state__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--veil);
}

/* ---------- 改动对照 ---------- */
.page-home .home-diff__lede {
  margin-bottom: clamp(24px, 3vw, 34px);
}

.page-home .home-diff {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .home-diff__col {
  border: 1px solid var(--line);
  background: rgba(11, 27, 43, 0.66);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-home .home-diff__col--after {
  background: rgba(18, 48, 74, 0.5);
  border-color: rgba(221, 164, 59, 0.36);
}

.page-home .home-diff__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--stone);
}

.page-home .home-diff__col--after .home-diff__label {
  color: var(--amber);
}

.page-home .home-diff__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .home-diff__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--veil);
}

.page-home .home-diff__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 9px;
  height: 1px;
  background: var(--stone);
}

.page-home .home-diff__col--after .home-diff__list li::before {
  background: var(--amber);
}

.page-home .home-diff__media {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-home .home-fold {
  margin-top: 18px;
  border: 1px solid var(--line);
  background: rgba(18, 48, 74, 0.28);
}

.page-home .home-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  font-size: 15px;
  color: var(--paper);
  list-style: none;
}

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

.page-home .home-fold summary::after {
  content: "展开";
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--amber);
}

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

.page-home .home-fold__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--veil);
}

.page-home .home-fold__body p {
  margin: 0;
}

/* ---------- 回访动线 ---------- */
.page-home .home-return__stat {
  margin: 12px 0 4px;
  font-size: clamp(34px, 4.6vw, 46px);
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}

.page-home .home-return__stat-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

.page-home .home-flow {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-home .home-flow__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

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

.page-home .home-flow__step {
  font-size: 18px;
  color: var(--amber);
  padding-top: 2px;
}

.page-home .home-flow__title {
  margin: 0 0 6px;
}

.page-home .home-flow__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--veil);
}

.page-home .home-flow__link {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  padding-bottom: 1px;
}

.page-home .home-flow__link:hover,
.page-home .home-flow__link:focus-visible {
  color: var(--amber);
}

/* ---------- 横向入口带 ---------- */
.page-home .home-index__lede {
  margin-bottom: clamp(20px, 2.6vw, 28px);
}

.page-home .home-strip {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 14px;
  scrollbar-width: thin;
}

.page-home .home-strip::-webkit-scrollbar {
  height: 3px;
}

.page-home .home-strip::-webkit-scrollbar-thumb {
  background: var(--line-strong);
}

.page-home .home-strip:focus-visible {
  outline: 1px solid var(--amber);
  outline-offset: 4px;
}

.page-home .home-strip__card {
  flex: 0 0 84%;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 196px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--home-card-bg);
}

.page-home .home-strip__index {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--stone);
}

.page-home .home-strip__title {
  margin: 0;
  color: var(--paper);
}

.page-home .home-strip__text {
  margin: 0;
  flex: 1 1 auto;
  font-size: 15px;
  line-height: 1.7;
  color: var(--veil);
}

.page-home .home-strip__link {
  align-self: flex-start;
  font-size: 14px;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(221, 164, 59, 0.5);
  padding-bottom: 2px;
}

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

/* ---------- 反馈 ---------- */
.page-home .home-feedback__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 44px);
  margin-top: clamp(16px, 2vw, 22px);
}

.page-home .home-steps {
  list-style: none;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .home-steps__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  background: rgba(18, 48, 74, 0.3);
  font-size: 15px;
  line-height: 1.6;
  color: var(--veil);
}

.page-home .home-steps__num {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--amber);
}

.page-home .home-feedback__note {
  margin: clamp(18px, 2.2vw, 24px) 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
  max-width: 58ch;
}

.page-home .home-feedback .button-group {
  margin-top: 24px;
}

.page-home .home-feedback__media {
  align-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .home-strip__card {
    flex: 0 0 286px;
  }
}

@media (min-width: 900px) {
  .page-home .home-frame__body {
    grid-template-columns: 264px minmax(0, 1fr);
  }

  .page-home .home-rail {
    flex-direction: column;
    overflow: visible;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-home .home-rail__item {
    min-width: 0;
    flex: 1 1 auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 22px 24px;
  }

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

  .page-home .home-diff {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .page-home .home-state__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

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

  .page-home .home-flow__item {
    grid-template-columns: 56px minmax(0, 1fr);
  }
}

@media (min-width: 1120px) {
  .page-home .home-frame__body {
    grid-template-columns: 288px minmax(0, 1fr);
  }

  .page-home .home-strip__card {
    flex: 0 0 320px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-strip {
    scroll-behavior: auto;
  }
}