.page-home {
  --home-pad: clamp(20px, 5vw, 56px);
  --home-cut: 12%;
  background: var(--paper);
  color: var(--black);
  overflow-x: hidden;
}

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

.page-home .section {
  padding-block: clamp(48px, 8vw, 100px);
}

.page-home .h-display {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--paper);
}

.page-home .h-section {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--black);
}

.page-home .h-sub {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.5;
  margin: 0;
  color: inherit;
}

.page-home .eyebrow {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--gold-500);
}

.page-home .eyebrow__num {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cinnabar-400);
}

.page-home .lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: rgba(245, 242, 234, 0.82);
}

.page-home .body-copy {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--black);
}

/* ---------- 首屏对角分屏 ---------- */
.page-home .hero {
  display: grid;
  grid-template-columns: 1fr;
  position: relative;
}

.page-home .hero__ink {
  position: relative;
  background: var(--ink-900);
  color: var(--paper);
  padding: clamp(26px, 6vw, 60px) var(--home-pad) clamp(34px, 7vw, 72px);
  isolation: isolate;
}

.page-home .hero__ink::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(201, 162, 39, 0.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 162, 39, 0.11) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), transparent 78%);
  pointer-events: none;
}

.page-home .hero__crumb {
  margin: 0 0 22px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(239, 223, 174, 0.62);
}

.page-home .hero__crumb .breadcrumb__sep {
  padding: 0 6px;
  color: var(--gold-500);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero__paper {
  background: var(--paper);
  padding: clamp(28px, 6vw, 56px) var(--home-pad);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-home .hero__figure {
  margin: 0;
  width: 100%;
  max-width: 560px;
  background: var(--ink-700);
  overflow: hidden;
}

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

/* ---------- 状态面板 ---------- */
.page-home .board {
  margin-top: clamp(28px, 4vw, 44px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-gold);
  border: 1px solid var(--line-gold);
}

.page-home .board__cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-height: 118px;
  padding: 15px 15px 24px;
  background: var(--ink-700);
  transition: background var(--dur) var(--ease);
}

.page-home .board__cell:hover,
.page-home .board__cell:focus-within {
  background: var(--ink-500);
}

.page-home .board__label {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--gold-200);
  opacity: 0.82;
}

.page-home .board__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-home .board__value.mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 17px;
}

.page-home .board__note {
  font-size: 12.5px;
  line-height: 1.55;
  color: rgba(245, 242, 234, 0.62);
}

.page-home .board__next {
  margin-top: auto;
  align-self: flex-start;
  padding-right: 46px;
  font-size: 12px;
  color: var(--cinnabar-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(224, 91, 78, 0.5);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-home .board__cell:hover .board__next,
.page-home .board__cell:focus-within .board__next {
  opacity: 1;
  transform: none;
}

.page-home .board__next:focus-visible {
  outline: 2px solid var(--gold-200);
  outline-offset: 3px;
}

.page-home .board__bar {
  position: absolute;
  right: 15px;
  bottom: 15px;
  width: 34px;
  height: 1px;
  background: var(--gold-500);
}

@media (hover: none) {
  .page-home .board__next {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 电脑端入口 ---------- */
.page-home .desk-switch__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

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

.page-home .flow__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 24px;
}

.page-home .flow__item:last-child {
  padding-bottom: 0;
}

.page-home .flow__num {
  font-size: 12px;
  color: var(--gold-500);
  letter-spacing: 0.04em;
  padding-top: 8px;
  border-top: 1px solid var(--line-gold-mid);
}

.page-home .flow__text {
  margin: 7px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate-600);
}

.page-home .mini-switch {
  align-self: start;
  padding: 22px 20px 24px;
  background: var(--ink-700);
  border: 1px solid var(--line-gold);
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
  color: var(--paper);
}

.page-home .mini-switch__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}

.page-home .mini-switch__tag {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold-200);
}

.page-home .mini-switch__options {
  display: grid;
  gap: 10px;
}

.page-home .mini-switch__opt {
  display: block;
  padding: 11px 14px;
  border: 1px solid var(--line-light);
  border-radius: 8px;
  font-size: 14px;
  color: rgba(245, 242, 234, 0.66);
}

.page-home .mini-switch__opt.is-on {
  border-color: var(--line-gold-strong);
  background: rgba(201, 162, 39, 0.14);
  color: var(--gold-200);
  font-weight: 500;
}

.page-home .mini-switch__hint {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(245, 242, 234, 0.56);
}

/* ---------- 差异滑轨 ---------- */
.page-home .diff {
  position: relative;
  background: var(--ink-900);
  color: var(--paper);
}

.page-home .diff::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 162, 39, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 162, 39, 0.07) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.page-home .diff .wrap {
  position: relative;
  z-index: 1;
}

.page-home .diff .h-section {
  color: var(--paper);
}

.page-home .diff .body-copy {
  color: rgba(245, 242, 234, 0.74);
}

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

.page-home .diff__shot {
  margin: 0;
  background: var(--ink-700);
}

.page-home .diff__shot img,
.page-home .login__shot img,
.page-home .routes__banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-home .diff__rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 80%);
  gap: 14px;
  margin-top: clamp(30px, 5vw, 54px);
  padding-bottom: 18px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--gold-500) rgba(245, 242, 234, 0.12);
}

.page-home .diff__rail:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 6px;
}

.page-home .diff__rail::-webkit-scrollbar {
  height: 4px;
}

.page-home .diff__rail::-webkit-scrollbar-track {
  background: rgba(245, 242, 234, 0.12);
  border-top: 1px solid var(--line-gold);
}

.page-home .diff__rail::-webkit-scrollbar-thumb {
  background: var(--gold-500);
}

.page-home .diff__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 18px 22px;
  background: var(--ink-700);
  border: 1px solid var(--line-gold);
  border-radius: 12px;
  scroll-snap-align: start;
  box-shadow: var(--shadow-deep);
  transition: border-color 0.25s var(--ease);
}

.page-home .diff__item:hover {
  border-color: var(--line-gold-strong);
}

.page-home .diff__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold-500), rgba(201, 162, 39, 0));
}

.page-home .diff__idx {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cinnabar-400);
}

.page-home .diff__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.35;
  color: var(--gold-200);
}

.page-home .diff__row {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(245, 242, 234, 0.78);
}

.page-home .diff__key {
  display: inline-block;
  margin-right: 6px;
  padding: 0 5px;
  border: 1px solid var(--line-gold-mid);
  border-radius: 3px;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--gold-200);
}

.page-home .diff__hint {
  margin: 26px 0 0;
  max-width: 60ch;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(245, 242, 234, 0.6);
}

.page-home .diff__cta {
  margin-top: 22px;
}

/* ---------- 两步登录 ---------- */
.page-home .login__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-home .login__shot {
  margin: 0;
  background: var(--ink-900);
}

.page-home .login__steps {
  list-style: none;
  margin: 30px 0 0 6px;
  padding: 0 0 0 24px;
  border-left: 1px solid var(--line-gold-mid);
}

.page-home .login__step {
  position: relative;
  padding-bottom: 28px;
}

.page-home .login__step:last-child {
  padding-bottom: 0;
}

.page-home .login__step::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cinnabar-600);
  box-shadow: 0 0 0 3px rgba(194, 47, 38, 0.16);
}

.page-home .login__n {
  margin-right: 8px;
  font-size: 13px;
  color: var(--gold-500);
}

.page-home .step-text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--black);
}

.page-home .login__more {
  margin-top: 10px;
}

.page-home .login__more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  color: var(--cinnabar-600);
}

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

.page-home .login__more summary::after {
  content: "＋";
  font-size: 13px;
  line-height: 1;
}

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

.page-home .login__more summary:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 3px;
}

.page-home .login__more p {
  margin: 10px 0 0;
  padding-left: 12px;
  border-left: 1px solid var(--line-gold-mid);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate-600);
}

/* ---------- 三条路 ---------- */
.page-home .routes {
  background: linear-gradient(180deg, rgba(201, 213, 220, 0.42), rgba(245, 242, 234, 0) 70%);
}

.page-home .routes__banner {
  margin: 0 0 clamp(30px, 5vw, 52px);
  background: var(--ink-700);
}

.page-home .routes__head {
  display: grid;
  gap: 4px;
}

.page-home .routes__grid {
  display: grid;
  gap: 20px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-home .route-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 26px;
  background: #ffffff;
  border: 1px solid var(--line-gold);
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-home .route-card:hover {
  border-color: var(--line-gold-strong);
  box-shadow: var(--shadow-deep);
}

.page-home .route-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--black);
}

.page-home .route-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- 收尾 ---------- */
.page-home .closing {
  background: var(--ink-900);
  color: var(--paper);
}

.page-home .closing .h-section {
  color: var(--paper);
}

.page-home .closing .body-copy {
  color: rgba(245, 242, 234, 0.74);
}

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

.page-home .closing .btn {
  margin-top: 26px;
}

.page-home .closing__side {
  padding-left: 18px;
  border-left: 2px solid var(--gold-500);
}

.page-home .closing__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 242, 234, 0.7);
}

.page-home .closing__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--gold-200);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold-mid);
  padding-bottom: 2px;
}

.page-home .closing__link:hover {
  border-bottom-color: var(--gold-500);
}

.page-home .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-home .diff__rail {
    grid-auto-columns: minmax(0, 46%);
  }
}

@media (min-width: 900px) {
  .page-home .hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: stretch;
  }

  .page-home .hero__ink {
    padding-right: calc(var(--home-pad) + 9%);
    -webkit-clip-path: polygon(0 0, 116% 0, 88% 100%, 0 100%);
    clip-path: polygon(0 0, 116% 0, 88% 100%, 0 100%);
    filter: drop-shadow(2px 0 0 rgba(201, 162, 39, 0.85));
  }

  .page-home .hero__paper {
    padding-left: calc(var(--home-pad) + 3%);
  }

  .page-home .board {
    max-width: 560px;
  }

  .page-home .desk-switch__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-home .diff__head {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }

  .page-home .diff__rail {
    grid-auto-columns: minmax(0, 31%);
  }

  .page-home .login__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }

  .page-home .routes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-home .routes__grid > *:nth-child(2) {
    transform: translateY(30px);
  }

  .page-home .routes__grid > *:nth-child(3) {
    transform: translateY(-14px);
  }

  .page-home .closing__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
}

@media (min-width: 1200px) {
  .page-home .diff__rail {
    grid-auto-columns: minmax(0, 23.5%);
  }

  .page-home .board__cell {
    min-height: 132px;
    padding: 18px 18px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .board__next,
  .page-home .route-card,
  .page-home .diff__item,
  .page-home .board__cell {
    transition: none;
  }

  .page-home .routes__grid > *:nth-child(2),
  .page-home .routes__grid > *:nth-child(3) {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>