.page-home {
  --home-hair: rgba(46, 86, 117, 0.55);
  --home-soft: rgba(199, 220, 235, 0.78);
  --home-gap: clamp(20px, 3.4vw, 44px);
  background: var(--ink-900);
  color: var(--mist);
  overflow-x: clip;
}

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

.page-home .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-home .eyebrow::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 1px;
  background: currentColor;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: clamp(84px, 13vw, 132px) 0 clamp(48px, 8vw, 84px);
  overflow: hidden;
  background:
    radial-gradient(80% 60% at 78% 8%, rgba(50, 225, 208, 0.16), transparent 70%),
    radial-gradient(70% 70% at 6% 90%, rgba(106, 111, 143, 0.22), transparent 72%),
    var(--ink-900);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, var(--home-hair) 1px, transparent 1px),
    linear-gradient(0deg, var(--home-hair) 1px, transparent 1px);
  background-size: 78px 78px;
  opacity: 0.22;
  -webkit-mask-image: radial-gradient(120% 85% at 30% 4%, #000 26%, transparent 76%);
  mask-image: radial-gradient(120% 85% at 30% 4%, #000 26%, transparent 76%);
  pointer-events: none;
}

.page-home .hero__grid {
  position: relative;
  display: grid;
  gap: clamp(32px, 5vw, 56px);
}

.page-home .hero__title {
  margin: 14px 0 0;
  color: var(--paper);
  font-size: clamp(34px, 6.2vw, 68px);
  line-height: 1.06;
  letter-spacing: 0.02em;
  font-weight: 900;
}

.page-home .hero__sub {
  display: block;
  margin-top: 14px;
  color: var(--cyan);
  font-size: clamp(17px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: 0.14em;
}

.page-home .hero__intro {
  margin: 22px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--home-soft);
}

.page-home .hero__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}

.page-home .pill--live {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(50, 225, 208, 0.45);
  background: rgba(50, 225, 208, 0.1);
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-home .live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(143, 227, 193, 0.18);
}

.page-home .hero__domain {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.page-home .pathline {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(10px, 2.4vw, 28px);
  margin: clamp(30px, 5vw, 46px) 0 0;
  padding: 0;
}

.page-home .pathline__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-home .pathline__num {
  font-size: clamp(36px, 9vw, 92px);
  line-height: 1;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-home .pathline__num::after {
  content: "";
  display: block;
  height: 1px;
  margin-top: 10px;
  background: linear-gradient(90deg, var(--cyan), rgba(50, 225, 208, 0));
}

.page-home .pathline__label {
  font-size: clamp(12px, 1.5vw, 14px);
  color: var(--home-soft);
  letter-spacing: 0.04em;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 38px);
}

.page-home .hero__aside {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(260px, 42vw, 420px);
  padding: clamp(16px, 2.4vw, 24px);
}

.page-home .hero__visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  opacity: 0.34;
  -webkit-mask-image: linear-gradient(205deg, #000 18%, transparent 88%);
  mask-image: linear-gradient(205deg, #000 18%, transparent 88%);
}

.page-home .chapter {
  position: relative;
  width: 100%;
  padding: clamp(18px, 3vw, 24px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--home-hair);
  background: rgba(6, 26, 46, 0.68);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-home .chapter__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--violet);
  text-transform: uppercase;
}

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

.page-home .chapter__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 2px;
  color: var(--mist);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid rgba(46, 86, 117, 0.35);
  transition: color 0.3s var(--ease), padding-left 0.3s var(--ease);
}

.page-home .chapter__list li:last-child .chapter__link {
  border-bottom: 0;
}

.page-home .chapter__link .mono {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal);
}

.page-home .chapter__link:hover,
.page-home .chapter__link:focus-visible {
  color: var(--paper);
  padding-left: 8px;
}

.page-home .chapter__link.is-active {
  color: var(--cyan);
}

.page-home .chapter__link.is-active .mono {
  color: var(--orange);
}

/* ---------- 通用章节 ---------- */
.page-home .section {
  position: relative;
  padding: clamp(56px, 9vw, 104px) 0;
}

.page-home .section__head {
  display: grid;
  gap: 14px;
  max-width: 760px;
  margin-bottom: clamp(30px, 5vw, 56px);
}

.page-home .section__head h2 {
  margin: 0;
  color: var(--paper);
  font-size: clamp(24px, 3.8vw, 40px);
  line-height: 1.22;
  letter-spacing: 0.01em;
}

.page-home .section__intro {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--home-soft);
}

/* ---------- 三步路径 ---------- */
.page-home .section--path {
  background: linear-gradient(180deg, var(--ink-900), var(--ink-800) 70%, var(--ink-900));
}

.page-home .path-grid {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
}

.page-home .step-card {
  border-top: 1px solid var(--home-hair);
}

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

.page-home .step-card summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: clamp(12px, 2.4vw, 22px);
  padding: clamp(16px, 2.4vw, 24px) 0;
  cursor: pointer;
  list-style: none;
}

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

.page-home .step-card summary:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.page-home .step-card__num {
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-home .step-card__title {
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  color: var(--paper);
}

.page-home .step-card__hint {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--violet);
  border: 1px solid var(--home-hair);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
}

.page-home .step-card[open] .step-card__hint {
  color: var(--orange);
  border-color: rgba(255, 138, 61, 0.5);
}

.page-home .step-card__body {
  padding: 0 0 clamp(18px, 2.6vw, 26px);
}

.page-home .step-card__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--home-soft);
  max-width: 60ch;
}

.page-home .step-card__body ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-home .step-card__body li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .step-card__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

.page-home .media-frame {
  margin: 0;
}

.page-home .media-frame__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--violet);
}

.page-home .path-media img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--home-hair);
}

/* ---------- 服务范围 ---------- */
.page-home .section--services {
  background: var(--ink-900);
}

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

.page-home .service {
  display: grid;
  gap: 6px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-top: 1px solid var(--home-hair);
}

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

.page-home .service__num {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--teal);
}

.page-home .service__name {
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  color: var(--paper);
}

.page-home .service__desc {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--home-soft);
}

.page-home .service-foot {
  display: grid;
  gap: 16px;
  margin-top: clamp(28px, 4vw, 44px);
  max-width: 780px;
}

.page-home .service-foot p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--home-soft);
}

.page-home .service-foot__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-home .service-foot__text {
  color: var(--cyan);
  text-decoration: none;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  border-bottom: 1px solid rgba(50, 225, 208, 0.4);
  padding-bottom: 2px;
}

.page-home .service-foot__text:hover,
.page-home .service-foot__text:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 浏览器适配（浅色） ---------- */
.page-home .section--light {
  background: var(--paper);
  color: var(--ink-text);
}

.page-home .section--light .eyebrow {
  color: var(--teal);
}

.page-home .section--light .section__head h2 {
  color: var(--ink-900);
}

.page-home .section--light .section__intro {
  color: rgba(10, 29, 49, 0.74);
}

.page-home .compat-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-home .compat-col {
  display: grid;
  gap: clamp(24px, 3.4vw, 34px);
}

.page-home .compat-group__title {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--teal);
  text-transform: uppercase;
}

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

.page-home .compat__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 11px 0;
  font-size: 15px;
  color: var(--ink-900);
  border-bottom: 1px solid rgba(10, 29, 49, 0.12);
}

.page-home .compat__state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--teal);
  white-space: nowrap;
}

.page-home .compat__state::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

.page-home .compat-side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-home .compat-side img {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(10, 29, 49, 0.1);
}

.page-home .compat-side .media-frame__caption {
  display: none;
}

.page-home .compat-note {
  padding: clamp(16px, 2.4vw, 22px);
  border-radius: var(--radius-md);
  background: rgba(14, 143, 134, 0.08);
  border: 1px solid rgba(14, 143, 134, 0.22);
}

.page-home .compat-note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(10, 29, 49, 0.82);
}

.page-home .compat-note__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 143, 134, 0.45);
  padding-bottom: 2px;
}

.page-home .compat-note__link:hover,
.page-home .compat-note__link:focus-visible {
  color: var(--ink-900);
  border-color: var(--ink-900);
}

/* ---------- 版本与响应 ---------- */
.page-home .section--updates {
  background:
    radial-gradient(70% 60% at 90% 0%, rgba(106, 111, 143, 0.26), transparent 68%),
    var(--ink-900);
}

.page-home .update-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-home .timeline {
  list-style: none;
  margin: 0 0 26px;
  padding: 0 0 0 clamp(18px, 3vw, 26px);
  border-left: 1px solid rgba(50, 225, 208, 0.35);
  display: grid;
  gap: clamp(16px, 2.6vw, 24px);
}

.page-home .timeline__item {
  position: relative;
}

.page-home .timeline__item::before {
  content: "";
  position: absolute;
  top: 0.5em;
  left: calc(-1 * clamp(18px, 3vw, 26px) - 5px);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(50, 225, 208, 0.12);
}

.page-home .timeline__item--current::before {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.16);
}

.page-home .timeline__time {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-home .timeline__item--current .timeline__time {
  color: var(--orange);
}

.page-home .timeline__text {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--home-soft);
}

.page-home .update-media img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--home-hair);
}

.page-home .metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(12px, 2.2vw, 18px);
  align-content: start;
}

.page-home .metric {
  padding: clamp(16px, 2.4vw, 22px);
  border-radius: var(--radius-md);
  background: rgba(11, 42, 69, 0.72);
  border: 1px solid rgba(46, 86, 117, 0.5);
}

.page-home .metric--wide {
  grid-column: 1 / -1;
}

.page-home .metric__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.15;
  color: var(--cyan);
  letter-spacing: 0.01em;
}

.page-home .metric__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--home-soft);
}

/* ---------- 快速分流 ---------- */
.page-home .section--routes {
  background: linear-gradient(180deg, var(--ink-900), var(--ink-800));
  padding-bottom: clamp(64px, 10vw, 112px);
}

.page-home .route-grid {
  display: grid;
  gap: clamp(12px, 2vw, 18px);
  grid-template-columns: 1fr;
}

.page-home .route {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px);
  border-radius: var(--radius-md);
  border: 1px solid rgba(46, 86, 117, 0.55);
  background: linear-gradient(158deg, rgba(11, 42, 69, 0.92), rgba(6, 26, 46, 0.62));
  color: var(--mist);
  text-decoration: none;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-home .route:hover,
.page-home .route:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(50, 225, 208, 0.6);
}

.page-home .route__label {
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .route__desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--home-soft);
}

.page-home .route__go {
  margin-top: auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .service {
    grid-template-columns: 64px minmax(0, 0.9fr) minmax(0, 1.4fr);
    align-items: baseline;
    gap: clamp(18px, 3vw, 40px);
  }

  .page-home .service:nth-child(even) {
    padding-left: clamp(0px, 3vw, 44px);
  }

  .page-home .path-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .compat-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .update-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 960px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-home .hero__aside {
    min-height: clamp(360px, 34vw, 460px);
  }
}

@media (min-width: 1024px) {
  .page-home .route-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
<<<PAGE_CSS_END>>>
</main>