.page-home {
  --home-grid-line: rgba(168, 182, 196, 0.07);
  --home-channel: 40px;
  background: var(--ink-900);
  color: var(--text-on-dark);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(44px, 7vw, 88px) clamp(52px, 8vw, 96px);
  background-image:
    repeating-linear-gradient(to right, var(--home-grid-line) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(to bottom, var(--home-grid-line) 0 1px, transparent 1px 120px);
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
}

.page-home .hero-title {
  margin: 0;
  font-size: clamp(38px, 5.4vw, 80px);
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.page-home .hero-title__line {
  display: block;
  margin-top: 0.28em;
  font-size: 0.36em;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--cyan-400);
}

.page-home .hero-lede {
  margin-top: clamp(18px, 3vw, 28px);
  color: var(--mist-300);
  max-width: 34em;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-home .hero-side {
  display: grid;
  gap: 24px;
  align-content: start;
}

.page-home .hero-index {
  border-top: 1px solid var(--ink-500);
  padding-top: 14px;
}

.page-home .hero-index__head {
  margin: 0;
  font-size: var(--step-xs);
  letter-spacing: 0.16em;
  color: var(--mist-300);
}

.page-home .hero-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-home .hero-index__list a {
  display: grid;
  grid-template-columns: 40px 1fr;
  column-gap: 12px;
  row-gap: 2px;
  align-items: baseline;
  min-height: 44px;
  padding: 13px 6px 13px 0;
  border-bottom: 1px solid var(--ink-500);
  color: inherit;
  text-decoration: none;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .hero-index__list a:hover,
.page-home .hero-index__list a:focus-visible {
  background: rgba(53, 224, 214, 0.08);
  transform: translateX(6px);
}

.page-home .hero-index__num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: var(--step-sm);
  letter-spacing: 0.08em;
  color: var(--amber-400);
}

.page-home .hero-index__label {
  font-size: var(--step-lg);
  font-weight: 700;
  color: var(--white);
}

.page-home .hero-index__note {
  font-size: var(--step-sm);
  line-height: 1.55;
  color: var(--mist-300);
}

.page-home .hero-shot {
  margin: 0;
}

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

/* ---------- 共通区块头 ---------- */

.page-home .block-head,
.page-home .compare-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-home .compare-head .measure,
.page-home .block-head .measure {
  margin-top: 12px;
  color: var(--muted-on-paper);
}

.page-home .home-compare,
.page-home .home-clients,
.page-home .home-service,
.page-home .home-notice {
  color: var(--text-on-paper);
}

/* ---------- 镜面对照 ---------- */

.page-home .mirror {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-home .mirror__col {
  padding-block: 4px;
}

.page-home .mirror__ver {
  display: inline-block;
  margin: 0 0 16px;
  padding: 4px 10px;
  border: 1px solid var(--paper-300);
  border-radius: 4px;
  font-size: var(--step-xs);
  letter-spacing: 0.14em;
  color: var(--muted-on-paper);
}

.page-home .mirror__col--new .mirror__ver {
  border-color: var(--cyan-ink);
  color: var(--cyan-ink);
}

.page-home .mirror__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .mirror__list li {
  padding: 14px 0;
  border-top: 1px solid var(--paper-300);
}

.page-home .mirror__list li:last-child {
  border-bottom: 1px solid var(--paper-300);
}

.page-home .mirror__k {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: var(--step-xs);
  letter-spacing: 0.1em;
  color: var(--muted-on-paper);
}

.page-home .mirror__v {
  display: block;
  font-size: var(--step-md);
  line-height: 1.65;
  color: var(--text-on-paper);
}

.page-home .mirror__col--new .mirror__v {
  font-weight: 600;
}

.page-home .mirror__col--old .mirror__v {
  color: var(--muted-on-paper);
}

.page-home .mirror__channel {
  display: none;
}

.page-home .compare-figure {
  margin: clamp(32px, 5vw, 52px) 0 0;
}

.page-home .compare-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 520;
  object-fit: cover;
}

.page-home .compare-more {
  margin: clamp(18px, 3vw, 26px) 0 0;
  font-size: var(--step-md);
}

.page-home .compare-more a {
  color: var(--cyan-ink);
  font-weight: 600;
  text-underline-offset: 4px;
}

/* ---------- 两端分述 ---------- */

.page-home .client-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-home .client-card {
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--paper-300);
  border-radius: 14px 4px 14px 4px;
  background: rgba(255, 255, 255, 0.55);
}

.page-home .client-card__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--step-sm);
  letter-spacing: 0.14em;
  color: var(--cyan-ink);
}

.page-home .client-card__lede {
  margin: 0 0 18px;
  font-size: var(--step-md);
  line-height: 1.75;
  color: var(--text-on-paper);
}

.page-home .spec-list {
  margin: 0 0 22px;
  padding: 0;
}

.page-home .spec-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 16px;
  padding: 10px 0;
  border-top: 1px dashed var(--paper-300);
  font-size: var(--step-sm);
}

.page-home .spec-row dt {
  color: var(--muted-on-paper);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.page-home .spec-row dd {
  margin: 0;
  color: var(--text-on-paper);
  font-weight: 500;
}

.page-home .client-card__points {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-home .client-card__points li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: var(--step-sm);
  line-height: 1.65;
  color: var(--text-on-paper);
}

.page-home .client-card__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--cyan-ink);
}

.page-home .link-arrow {
  display: inline-block;
  font-size: var(--step-sm);
  font-weight: 600;
  color: var(--cyan-ink);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

/* ---------- 服务说明 ---------- */

.page-home .service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}

.page-home .service-lead p {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: var(--step-md);
  line-height: 1.8;
  color: var(--text-on-paper);
}

.page-home .service-lead .btn {
  margin-top: 22px;
}

.page-home .service-side {
  padding: 22px;
  border-left: 2px solid var(--amber-400);
  background: rgba(251, 217, 165, 0.28);
  border-radius: 0 14px 4px 0;
}

.page-home .service-side__label {
  margin: 0 0 14px;
  font-size: var(--step-xs);
  letter-spacing: 0.14em;
  color: var(--muted-on-paper);
}

.page-home .route-box {
  border: 1px solid var(--paper-300);
  border-radius: 10px 4px 10px 4px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.7);
}

.page-home .route-box__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 13px 14px;
  border-bottom: 1px solid var(--paper-300);
  font-size: var(--step-sm);
  color: var(--muted-on-paper);
}

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

.page-home .route-box__row--now {
  background: rgba(53, 224, 214, 0.16);
  color: var(--text-on-paper);
  font-weight: 600;
}

.page-home .route-box__tag {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted-on-paper);
}

.page-home .route-box__row--now .route-box__tag {
  color: var(--cyan-ink);
}

.page-home .service-side__note {
  margin: 16px 0 10px;
  font-size: var(--step-sm);
  line-height: 1.7;
  color: var(--muted-on-paper);
}

/* ---------- 公告 ---------- */

.page-home .notice-list {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0;
  border-top: 1px solid var(--paper-300);
}

.page-home .notice-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--paper-300);
}

.page-home .notice-item__batch {
  min-width: 56px;
  font-size: var(--step-sm);
  letter-spacing: 0.08em;
  color: var(--muted-on-paper);
}

.page-home .notice-item__body {
  flex: 1 1 240px;
  min-width: 0;
}

.page-home .notice-item__title {
  margin: 0;
  font-size: var(--step-md);
  font-weight: 700;
  line-height: 1.5;
}

.page-home .notice-item__title a {
  color: var(--text-on-paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .notice-item__title a:hover,
.page-home .notice-item__title a:focus-visible {
  color: var(--cyan-ink);
  border-bottom-color: var(--cyan-ink);
}

.page-home .notice-item__meta {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted-on-paper);
}

.page-home .notice-item .tag {
  margin-left: auto;
  flex: none;
}

/* ---------- 批次归档条 ---------- */

.page-home .home-batch {
  position: relative;
  overflow: hidden;
  background-image:
    repeating-linear-gradient(to right, var(--home-grid-line) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(to bottom, var(--home-grid-line) 0 1px, transparent 1px 120px);
}

.page-home .batch-band {
  margin: 0 0 clamp(28px, 4vw, 40px);
  border: 1px solid var(--ink-500);
  border-radius: 14px 4px 14px 4px;
  overflow: hidden;
}

.page-home .batch-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 280;
  object-fit: cover;
}

.page-home .batch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 44px);
}

.page-home .batch-main p {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: var(--step-md);
  line-height: 1.8;
  color: var(--text-on-dark);
}

.page-home .batch-main .btn {
  margin-top: 22px;
}

.page-home .batch-side {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}

.page-home .batch-stamp {
  display: block;
  width: 140px;
  height: auto;
  opacity: 0.75;
  transform: rotate(-6deg);
}

.page-home .batch-chip {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 22px 12px 16px;
  background: var(--amber-400);
  color: var(--ink-900);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.page-home .batch-chip__num {
  font-family: var(--font-mono);
  font-size: var(--step-xl);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
}

.page-home .batch-chip__label {
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-home .batch-track {
  list-style: none;
  margin: clamp(30px, 5vw, 52px) 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--ink-500);
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-home .batch-track__item .mono {
  display: block;
  font-size: var(--step-lg);
  letter-spacing: 0.08em;
  color: var(--mist-300);
}

.page-home .batch-track__item p {
  margin: 6px 0 0;
  font-size: var(--step-sm);
  line-height: 1.6;
  color: var(--mist-300);
}

.page-home .batch-track__item.is-now .mono {
  color: var(--amber-400);
}

.page-home .batch-track__item.is-now p {
  color: var(--text-on-dark);
}

/* ---------- 起步三问 ---------- */

.page-home .start-questions {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-home .qa {
  border: 1px solid var(--ink-500);
  border-radius: 14px 4px 14px 4px;
  background: var(--ink-800);
  overflow: hidden;
}

.page-home .qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  padding: 18px 20px;
  list-style: none;
  cursor: pointer;
  font-size: var(--step-lg);
  font-weight: 700;
  color: var(--white);
}

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

.page-home .qa summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--amber-400);
}

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

.page-home .qa__body {
  padding: 16px 20px 20px;
  border-top: 1px solid var(--ink-500);
}

.page-home .qa__body p {
  margin: 0 0 12px;
  font-size: var(--step-md);
  line-height: 1.8;
  color: var(--text-on-dark);
}

.page-home .qa__body a {
  font-size: var(--step-sm);
  font-weight: 600;
  color: var(--cyan-400);
  text-underline-offset: 4px;
}

.page-home .start-contact {
  margin: clamp(24px, 4vw, 36px) 0 0;
  font-size: var(--step-sm);
  line-height: 1.8;
  color: var(--mist-300);
}

.page-home .start-contact a {
  color: var(--cyan-400);
  font-weight: 600;
  text-underline-offset: 4px;
}

/* ---------- 断点 ---------- */

@media (min-width: 760px) {
  .page-home .batch-track {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 0;
  }

  .page-home .batch-track__item {
    padding-inline: 20px;
    border-left: 1px solid var(--ink-500);
  }

  .page-home .batch-track__item:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }

  .page-home .batch-stamp {
    width: 180px;
  }
}

@media (min-width: 880px) {
  .page-home .hero-grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-home .hero-side {
    gap: 28px;
  }

  .page-home .hero-shot {
    margin-left: -32px;
  }

  .page-home .mirror {
    grid-template-columns: 1fr var(--home-channel) 1fr;
    gap: 0;
  }

  .page-home .mirror__channel {
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 1px solid var(--paper-300);
    border-right: 1px solid var(--paper-300);
  }

  .page-home .mirror__channel span {
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.3em;
    color: var(--muted-on-paper);
  }

  .page-home .mirror__col--new {
    padding-right: 28px;
  }

  .page-home .mirror__col--old {
    padding-left: 28px;
    margin-top: 28px;
  }

  .page-home .client-pair {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 24px;
  }

  .page-home .client-card--web {
    margin-top: 40px;
  }

  .page-home .service-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-home .batch-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-home .batch-side {
    align-items: flex-end;
  }

  .page-home .batch-stamp {
    width: min(260px, 100%);
    margin-right: max(-4vw, -56px);
    align-self: flex-end;
  }
}

@media (min-width: 1080px) {
  .page-home .hero-title {
    margin-left: max(-2.4vw, -34px);
  }

  .page-home .batch-track {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }

  .page-home .batch-track__item {
    padding-inline: 20px;
    border-left: 1px solid var(--ink-500);
  }

  .page-home .batch-track__item:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-index__list a,
  .page-home .notice-item__title a {
    transition: none;
  }

  .page-home .hero-index__list a:hover,
  .page-home .hero-index__list a:focus-visible {
    transform: none;
  }

  .page-home .batch-stamp {
    transform: none;
  }
}