.page-home {
  --home-rail: 250px;
  --home-gap: 14px;
}

/* ---------- 首屏拼贴 ---------- */
.page-home .hero {
  padding: clamp(18px, 3.2vw, 34px) 0 clamp(26px, 4.4vw, 52px);
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .hero__head,
.page-home .hero__rail,
.page-home .hero__status,
.page-home .hero__visual,
.page-home .hero__strip {
  min-width: 0;
}

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

.page-home .hero__head h1 {
  margin: 0 0 .42em;
  font-family: var(--font-cn);
  font-size: clamp(32px, 7.6vw, 62px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-home .hero__lede {
  max-width: 46ch;
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 左侧窄栏 */
.page-home .hero__rail {
  display: grid;
  gap: 12px;
  padding: 16px;
  background: linear-gradient(160deg, var(--panel), var(--ink-2));
  border: 1px solid var(--line);
}

.page-home .rail-block + .rail-block {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-home .rail-label {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.page-home .rail-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.page-home .hlang {
  display: inline-flex;
  border: 1px solid var(--line-strong);
}

.page-home .hlang__opt {
  padding: 6px 14px;
  background: transparent;
  border: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: background .15s var(--ease), color .15s var(--ease);
}

.page-home .hlang__opt[aria-pressed="true"] {
  background: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-home .rail-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .rail-chips .chip {
  font-size: 12px;
  color: var(--paper);
  background: rgba(53, 214, 255, .1);
  border-color: rgba(53, 214, 255, .35);
}

/* 版本状态卡 */
.page-home .hero__status {
  padding: 18px 20px 20px;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--ok);
}

.page-home .status-head {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .12em;
}

.page-home .status-ver {
  margin: 6px 0 2px;
  font-family: var(--font-mono);
  font-size: clamp(38px, 8vw, 54px);
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
  letter-spacing: -.03em;
}

.page-home .status-note {
  margin: 0 0 12px;
  color: var(--amber);
  font-size: 13px;
  letter-spacing: .01em;
}

.page-home .status-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-home .status-list li {
  position: relative;
  padding-left: 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.page-home .status-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 5px;
  height: 5px;
  background: var(--cyan);
}

/* 图位 */
.page-home .shot {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(42, 58, 102, .45) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(0deg, rgba(42, 58, 102, .45) 0 1px, transparent 1px 24px),
    var(--ink-2);
  overflow: hidden;
}

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

.page-home .shot__label {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 5px 10px;
  background: var(--ink);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

/* 首屏数据条 */
.page-home .hero__strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .strip-item {
  padding: 12px 14px;
  background: var(--ink-2);
}

.page-home .strip-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -.01em;
}

.page-home .strip-txt {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

/* ---------- 横向信息带 ---------- */
.page-home .ticker {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .ticker__track {
  display: flex;
  width: max-content;
  animation: home-ticker 48s linear infinite;
}

.page-home .ticker.is-paused .ticker__track {
  animation-play-state: paused;
}

.page-home .ticker__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: 26px;
  padding: 11px 26px 11px 0;
  border-right: 1px solid var(--line);
  white-space: nowrap;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.page-home .ticker__item b {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  font-weight: 700;
}

.page-home .ticker__control {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  padding: 0 14px;
  background: var(--ink);
  border: 0;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  cursor: pointer;
  transition: color .15s var(--ease);
}

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

@keyframes home-ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ticker__track { animation: none; }
}

/* ---------- 通用段落 ---------- */
.page-home .section {
  padding: clamp(46px, 7vw, 88px) 0;
}

.page-home .section--tight {
  padding: clamp(32px, 4.4vw, 56px) 0 clamp(48px, 6vw, 76px);
}

.page-home .sec-head {
  max-width: 60ch;
  margin-bottom: clamp(22px, 3.2vw, 36px);
}

.page-home .sec-head h2,
.page-home .steps__intro h2,
.page-home .lookup__text h2,
.page-home .stable__body h2,
.page-home .support__text h2 {
  margin: 0 0 .6em;
  font-family: var(--font-cn);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-home .sec-lede {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-home .card-label {
  margin: 0 0 8px;
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.page-home .link-cyan {
  display: inline-block;
  color: var(--cyan);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 214, 255, .4);
}

.page-home .link-cyan:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 两条主入口 ---------- */
.page-home .entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .entry-card {
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-home .entry-card h3 {
  margin: 0 0 .6em;
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--paper);
}

.page-home .card-text {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-home .ticks {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .ticks li {
  position: relative;
  padding-left: 20px;
  color: var(--paper);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-home .ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 9px;
  background: rgba(53, 214, 255, .2);
  border: 1px solid var(--cyan);
}

.page-home .entry-shot {
  margin: 0 0 18px;
}

.page-home .entry-side {
  display: grid;
  gap: 16px;
}

.page-home .entry-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 18px;
}

.page-home .fact {
  flex: 1 1 130px;
  padding: 10px 12px;
  background: var(--ink-2);
  border-left: 2px solid var(--amber);
}

.page-home .fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.2;
}

.page-home .fact-txt {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.page-home .entry-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-home .entry-card--note {
  background: linear-gradient(150deg, var(--ink-2), var(--panel));
  border-left: 2px solid var(--cyan);
}

@media (min-width: 880px) {
  .page-home .entry-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }
  .page-home .entry-side {
    margin-top: 34px;
  }
}

/* ---------- 换设备三步 ---------- */
.page-home .steps {
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.page-home .steps__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  counter-reset: step;
}

.page-home .steps__item {
  position: relative;
  padding: 18px 18px 18px 64px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-right: 2px solid var(--cyan);
}

.page-home .steps__num {
  position: absolute;
  left: 18px;
  top: 18px;
  color: var(--amber);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
}

.page-home .steps__item h3 {
  margin: 0 0 .45em;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .steps__item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

@media (min-width: 900px) {
  .page-home .steps__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    grid-template-areas:
      "intro list"
      "shot  list";
    align-items: start;
    gap: 22px 32px;
  }
  .page-home .steps__intro { grid-area: intro; }
  .page-home .steps__shot { grid-area: shot; margin: 0; }
  .page-home .steps__list { grid-area: list; }
}

/* ---------- 检索与中英对照 ---------- */
.page-home .lookup__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: clamp(20px, 3vw, 34px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
}

.page-home .lookup__text p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-home .lookup__keys {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  align-content: start;
}

.page-home .lookup__keys li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--ink-2);
  color: var(--paper);
  font-size: 14px;
}

.page-home .lookup__keys .mono {
  flex: 0 0 46px;
  color: var(--amber);
  font-size: 11px;
  letter-spacing: .12em;
}

.page-home .lookup__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 18px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .lookup__fact {
  padding: 16px 18px;
  background: var(--ink-2);
}

.page-home .lookup__fact .fact-num {
  margin: 0 0 6px;
  font-size: 22px;
  color: var(--cyan);
}

.page-home .lookup__fact .fact-txt {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
}

@media (min-width: 760px) {
  .page-home .lookup__panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: 28px;
  }
  .page-home .lookup__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 稳定版理由 ---------- */
.page-home .stable__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-home .stable__body p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.88;
  max-width: 62ch;
}

.page-home .stable__body .btn {
  margin-top: 8px;
}

.page-home .stable__side {
  display: grid;
  gap: 16px;
}

.page-home .stable__metrics {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .stable__metrics li {
  padding: 12px 14px;
  background: var(--ink-2);
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.6;
}

.page-home .stable__metrics .mono {
  display: block;
  margin-bottom: 4px;
  color: var(--amber);
  font-size: 16px;
  font-weight: 700;
}

@media (min-width: 900px) {
  .page-home .stable__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 44px;
  }
}

/* ---------- 服务通道 ---------- */
.page-home .support__panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(120deg, var(--panel), var(--ink-2) 70%);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
}

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

.page-home .support__text h2 {
  margin-bottom: .5em;
  font-size: clamp(22px, 2.8vw, 32px);
}

@media (min-width: 820px) {
  .page-home .support__panel {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }
  .page-home .support__panel .btn {
    flex: 0 0 auto;
  }
}

/* ---------- 桌面首屏拼贴 ---------- */
@media (min-width: 920px) {
  .page-home .hero__grid {
    grid-template-columns: var(--home-rail) minmax(0, 1.12fr) minmax(0, .88fr);
    grid-template-areas:
      "rail   head   visual"
      "rail   status visual"
      "strip  strip  visual";
    gap: 16px;
    align-items: stretch;
  }
  .page-home .hero__rail { grid-area: rail; }
  .page-home .hero__head { grid-area: head; }
  .page-home .hero__status { grid-area: status; align-self: start; }
  .page-home .hero__strip { grid-area: strip; align-self: start; }
  .page-home .hero__visual {
    grid-area: visual;
    display: flex;
    flex-direction: column;
  }
  .page-home .hero__visual img {
    flex: 1 1 auto;
    height: 100%;
    min-height: 320px;
    object-fit: cover;
  }
}

@media (min-width: 1180px) {
  .page-home .hero__head h1 {
    font-size: 64px;
  }
  .page-home .hero__strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>