.page-home {
  --home-cut: 22px;
  background: var(--ub-paper);
  color: var(--ub-ink);
  font-family: var(--ub-font-body);
}

.page-home .mono {
  font-family: var(--ub-font-mono);
  letter-spacing: 0.02em;
}

/* ---------- 面包屑 ---------- */
.page-home .home-crumb {
  padding-top: 18px;
  padding-bottom: 4px;
}

.page-home .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--ub-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ub-moss);
}

.page-home .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--ub-violet);
}

.page-home .breadcrumb__item a {
  color: var(--ub-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ub-ease);
}

.page-home .breadcrumb__item a:hover,
.page-home .breadcrumb__item a:focus-visible {
  border-bottom-color: var(--ub-teal);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding-block: clamp(26px, 4vw, 44px) clamp(42px, 6vw, 76px);
  background:
    radial-gradient(circle at 94% -12%, rgba(0, 194, 168, 0.16), transparent 58%),
    radial-gradient(circle at 4% 108%, rgba(232, 180, 90, 0.16), transparent 52%),
    var(--ub-paper);
  border-bottom: 1px solid var(--ub-line-soft);
}

.page-home .home-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-home .home-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--ub-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--ub-moss);
}

.page-home .home-hero__eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--ub-teal);
  flex: none;
}

.page-home .home-hero h1 {
  margin: 0 0 18px;
  font-family: var(--ub-font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ub-deep);
  max-width: 16ch;
}

.page-home .home-hero__intro {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: rgba(23, 32, 51, 0.84);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.page-home .home-hero__actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  font-family: var(--ub-font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.01em;
  text-decoration: none;
  border-radius: 2px;
  transition: transform 0.3s var(--ub-ease), box-shadow 0.3s var(--ub-ease);
}

.page-home .home-hero__actions .btn:hover,
.page-home .home-hero__actions .btn:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 14px 26px -18px rgba(7, 43, 102, 0.85);
}

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

.page-home .home-hero__facts li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(23, 32, 51, 0.76);
}

.page-home .home-hero__facts li::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  margin-top: 8px;
  background: var(--ub-teal);
  transform: rotate(45deg);
}

/* 批次卡片 */
.page-home .home-anchor {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  background:
    linear-gradient(150deg, rgba(0, 194, 168, 0.14), transparent 46%),
    var(--ub-deep);
  color: var(--ub-paper);
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - var(--home-cut)),
    calc(100% - var(--home-cut)) 100%,
    0 100%
  );
  box-shadow: 0 26px 54px -34px rgba(7, 43, 102, 0.95);
}

.page-home .home-anchor__label {
  margin: 0 0 8px;
  font-family: var(--ub-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--ub-gold);
}

.page-home .home-anchor__batch {
  margin: 0;
  font-family: var(--ub-font-mono);
  font-weight: 700;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-home .home-anchor__desc {
  margin: 12px 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(246, 241, 231, 0.8);
}

.page-home .home-anchor__states {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-home .home-anchor__states li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  font-size: 12px;
  color: rgba(246, 241, 231, 0.92);
  border: 1px solid rgba(0, 194, 168, 0.45);
}

.page-home .home-anchor__states li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ub-teal);
}

.page-home .home-anchor__media {
  margin: 0;
  background: rgba(7, 43, 102, 0.6);
}

.page-home .home-anchor__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .home-anchor__media .media-frame__caption {
  margin: 0;
  padding: 8px 2px 0;
  font-family: var(--ub-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(246, 241, 231, 0.68);
}

.page-home .home-anchor__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(246, 241, 231, 0.28);
  font-family: var(--ub-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--ub-teal);
}

/* 章节路线 */
.page-home .home-route {
  margin-top: clamp(32px, 5vw, 54px);
  padding-top: 18px;
  border-top: 1px solid var(--ub-line);
}

.page-home .home-route__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 12px;
}

.page-home .home-route__head p {
  margin: 0;
  font-family: var(--ub-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--ub-moss);
}

.page-home .home-route__head a {
  font-family: var(--ub-font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--ub-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--ub-gold);
}

.page-home .home-route__head a:hover,
.page-home .home-route__head a:focus-visible {
  color: var(--ub-clay);
  border-bottom-color: var(--ub-clay);
}

.page-home .home-route__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-route__item a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 12px 16px;
  border-top: 2px solid var(--ub-stone);
  font-family: var(--ub-font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--ub-ink);
  text-decoration: none;
  transition: border-color 0.3s var(--ub-ease), background 0.3s var(--ub-ease),
    transform 0.3s var(--ub-ease);
}

.page-home .home-route__item a .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ub-teal);
}

.page-home .home-route__item a:hover,
.page-home .home-route__item a:focus-visible {
  border-top-color: var(--ub-gold);
  background: var(--ub-paper-light);
  transform: translateY(-3px);
}

/* ---------- 通用章节 ---------- */
.page-home .home-sec {
  position: relative;
  padding-block: clamp(46px, 7vw, 92px);
}

.page-home .home-sec__head {
  margin-bottom: clamp(22px, 3.4vw, 38px);
  max-width: 62ch;
}

.page-home .home-sec__num {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--ub-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--ub-teal);
}

.page-home .home-sec__num--gold {
  color: var(--ub-gold);
}

.page-home .home-sec__title {
  margin: 0 0 12px;
  font-family: var(--ub-font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ub-deep);
}

.page-home .home-sec__lede {
  margin: 0;
  font-size: clamp(15px, 1.7vw, 16.5px);
  line-height: 1.85;
  color: rgba(23, 32, 51, 0.8);
}

.page-home .home-sec--deep {
  background:
    linear-gradient(200deg, rgba(0, 194, 168, 0.12), transparent 48%),
    var(--ub-deep);
  color: var(--ub-paper);
}

.page-home .home-sec--deep .home-sec__title {
  color: var(--ub-paper-light);
}

.page-home .home-sec--deep .home-sec__lede {
  color: rgba(246, 241, 231, 0.8);
}

.page-home .home-sec--tint {
  background: linear-gradient(180deg, var(--ub-paper-light), var(--ub-paper) 62%);
  border-block: 1px solid var(--ub-line-soft);
}

/* ---------- 小屏入口 ---------- */
.page-home .home-split {
  display: grid;
  gap: clamp(24px, 3.6vw, 42px);
}

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

.page-home .home-actions {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .home-actions li {
  padding: 16px 18px;
  background: var(--ub-paper-light);
  border-left: 3px solid var(--ub-teal);
  transition: transform 0.3s var(--ub-ease), border-color 0.3s var(--ub-ease);
}

.page-home .home-actions li:nth-child(2) {
  border-left-color: var(--ub-clay);
}

.page-home .home-actions li:nth-child(3) {
  border-left-color: var(--ub-gold);
}

.page-home .home-actions li:nth-child(4) {
  border-left-color: var(--ub-violet);
}

.page-home .home-actions li:hover {
  transform: translateY(-4px);
}

.page-home .home-actions strong {
  display: block;
  margin-bottom: 5px;
  font-family: var(--ub-font-display);
  font-weight: 800;
  font-size: 15.5px;
  color: var(--ub-deep);
}

.page-home .home-actions span {
  display: block;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(23, 32, 51, 0.76);
}

/* ---------- 图片框 ---------- */
.page-home .home-figure {
  margin: 0;
  min-width: 0;
}

.page-home .home-figure .media-frame {
  margin: 0;
  background: var(--ub-stone);
}

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

.page-home .home-figure--tall .media-frame__img {
  aspect-ratio: 6 / 7;
}

.page-home .home-figure .media-frame--sq .media-frame__img {
  aspect-ratio: 1 / 1;
}

.page-home .home-figure__cap {
  margin: 10px 0 0;
  font-family: var(--ub-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ub-moss);
}

.page-home .home-sec--deep .home-figure__cap {
  color: rgba(246, 241, 231, 0.66);
}

/* ---------- 工具带 ---------- */
.page-home .home-tool {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

.page-home .home-tool__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(246, 241, 231, 0.22);
}

.page-home .home-tool__item {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(246, 241, 231, 0.22);
}

.page-home .home-tool__item .tag {
  justify-self: start;
  font-family: var(--ub-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 4px 10px;
}

.page-home .home-tool__item h3 {
  margin: 0;
  font-family: var(--ub-font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--ub-paper-light);
}

.page-home .home-tool__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(246, 241, 231, 0.78);
}

/* ---------- 三步 ---------- */
.page-home .home-steps {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

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

.page-home .home-step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.page-home .home-step-list li {
  padding: 22px 0;
  border-top: 1px solid var(--ub-line);
}

.page-home .home-step-list li:last-child {
  border-bottom: 1px solid var(--ub-line);
}

.page-home .home-step-list__num {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ub-teal);
}

.page-home .home-step-list h3 {
  margin: 0 0 8px;
  font-family: var(--ub-font-display);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--ub-deep);
}

.page-home .home-step-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(23, 32, 51, 0.78);
}

/* ---------- 分段切换 ---------- */
.page-home .home-tabs {
  margin-top: 6px;
}

.page-home .home-tabs .tabs__list {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  border-bottom: 1px solid var(--ub-line);
  padding-bottom: 0;
  scrollbar-width: thin;
}

.page-home .home-tabs .tabs__tab {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  padding: 12px 16px;
  font-family: var(--ub-font-display);
  font-weight: 700;
  font-size: 14px;
  color: rgba(23, 32, 51, 0.58);
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.25s var(--ub-ease), border-color 0.25s var(--ub-ease),
    background 0.25s var(--ub-ease);
}

.page-home .home-tabs .tabs__tab:hover {
  color: var(--ub-deep);
}

.page-home .home-tabs .tabs__tab[aria-selected="true"] {
  color: var(--ub-deep);
  border-bottom-color: var(--ub-gold);
  background: var(--ub-paper-light);
}

.page-home .home-tabs .tabs__tab:focus-visible {
  outline: 2px solid var(--ub-teal);
  outline-offset: 2px;
}

.page-home .home-tabs .tabs__panel {
  padding: 20px 0 4px;
}

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

.page-home .home-tabs__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(23, 32, 51, 0.8);
}

.page-home .home-tabs__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 2px;
  background: var(--ub-teal);
}

/* ---------- 数字 ---------- */
.page-home .home-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .home-stats li {
  padding: 18px 16px;
  background: var(--ub-paper);
  border: 1px solid var(--ub-line-soft);
  border-top: 2px solid var(--ub-teal);
}

.page-home .home-stats li:nth-child(3) {
  border-top-color: var(--ub-gold);
}

.page-home .home-stats__num {
  display: block;
  font-family: var(--ub-font-mono);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 29px);
  line-height: 1.2;
  color: var(--ub-deep);
}

.page-home .home-stats__lbl {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(23, 32, 51, 0.72);
}

.page-home .home-linkrow {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(23, 32, 51, 0.76);
}

.page-home .home-linkrow a {
  color: var(--ub-deep);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--ub-gold);
}

.page-home .home-linkrow a:hover,
.page-home .home-linkrow a:focus-visible {
  border-bottom-color: var(--ub-clay);
  color: var(--ub-clay);
}

/* ---------- 反馈区 ---------- */
.page-home .home-cta {
  background: var(--ub-deep-dark);
  color: var(--ub-paper);
}

.page-home .home-cta__panel {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  padding: clamp(24px, 4vw, 46px);
  background: rgba(246, 241, 231, 0.07);
  border: 1px solid rgba(246, 241, 231, 0.16);
  clip-path: polygon(
    0 0,
    calc(100% - var(--home-cut)) 0,
    100% var(--home-cut),
    100% 100%,
    0 100%
  );
}

.page-home .home-cta .home-sec__title {
  color: var(--ub-paper-light);
}

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

.page-home .home-cta__text {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(246, 241, 231, 0.82);
}

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

.page-home .home-cta__actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  font-family: var(--ub-font-display);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  border-radius: 2px;
  transition: transform 0.3s var(--ub-ease);
}

.page-home .home-cta__actions .btn:hover,
.page-home .home-cta__actions .btn:focus-visible {
  transform: translateY(-3px);
}

.page-home .home-cta__actions .btn--ghost {
  color: var(--ub-paper-light);
  border: 1px solid rgba(246, 241, 231, 0.45);
}

.page-home .home-cta__meta {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0 0 0 16px;
  list-style: none;
  border-left: 2px solid var(--ub-teal);
  min-width: 0;
}

.page-home .home-cta__k {
  display: block;
  margin-bottom: 3px;
  font-family: var(--ub-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--ub-gold);
}

.page-home .home-cta__v {
  display: block;
  font-size: 14.5px;
  line-height: 1.65;
  color: rgba(246, 241, 231, 0.9);
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .home-hero__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 24px;
  }

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

@media (min-width: 720px) {
  .page-home .home-route__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
  }

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

@media (min-width: 900px) {
  .page-home .home-split {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.72fr);
    align-items: start;
  }

  .page-home .home-tool {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-home .home-steps {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: start;
  }

  .page-home .home-cta__panel {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-hero__actions .btn,
  .page-home .home-cta__actions .btn,
  .page-home .home-route__item a,
  .page-home .home-actions li {
    transition: none;
  }

  .page-home .home-hero__actions .btn:hover,
  .page-home .home-cta__actions .btn:hover,
  .page-home .home-route__item a:hover,
  .page-home .home-actions li:hover {
    transform: none;
  }
}
