.page-home {
  background: var(--abyss);
  color: var(--cream);
}

.page-home .section {
  padding-top: clamp(44px, 6vw, 88px);
  padding-bottom: clamp(44px, 6vw, 88px);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 38px) 0 clamp(40px, 6vw, 86px);
  background:
    radial-gradient(120% 90% at 92% 0%, rgba(45, 226, 230, 0.16), rgba(6, 26, 46, 0) 58%),
    linear-gradient(180deg, var(--abyss) 0%, #04121f 100%);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  top: -12%;
  right: -6%;
  width: min(66%, 880px);
  height: 82%;
  background: linear-gradient(140deg, rgba(23, 59, 87, 0.92), rgba(6, 26, 46, 0));
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-home .home-hero .shell {
  position: relative;
  z-index: 1;
}

.page-home .home-hero__rail {
  display: block;
  margin: 0;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hair);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-soft);
}

.page-home .home-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  margin-top: clamp(24px, 4vw, 42px);
}

.page-home .home-hero h1 {
  margin: 12px 0 0;
  max-width: 13em;
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.page-home .home-hero .lede {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 620px;
  color: var(--ink-70);
}

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

.page-home .home-hero__facts {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--hair);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  font-size: 13px;
  color: var(--ink-70);
}

.page-home .home-hero__facts .mono {
  margin-right: 6px;
  font-size: 18px;
  color: var(--orange);
}

/* 首屏数据面板 */
.page-home .home-hero__panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(18px, 2.6vw, 28px);
  background: linear-gradient(162deg, var(--panel) 0%, var(--fold) 100%);
  border: 1px solid var(--hair-strong);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 38px), calc(100% - 38px) 100%, 0 100%);
}

.page-home .home-hero__shot {
  position: absolute;
  inset: auto 0 0 0;
  height: 60%;
  z-index: 0;
  opacity: 0.3;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0), #000 70%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0), #000 70%);
  pointer-events: none;
}

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

.page-home .home-hero__panel-top,
.page-home .home-hero__panel-title,
.page-home .metric-progress,
.page-home .home-hero__panel .metric-list,
.page-home .home-hero__panel-foot {
  position: relative;
  z-index: 1;
}

.page-home .home-hero__panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-home .home-hero__panel-title {
  margin: 16px 0 12px;
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--ink-70);
}

.page-home .metric-progress {
  display: grid;
  gap: 7px;
  margin-bottom: 6px;
}

.page-home .metric-progress__label {
  font-size: 12px;
  color: var(--cyan-soft);
}

.page-home .metric-progress__bar {
  display: block;
  height: 4px;
  background: rgba(143, 247, 242, 0.18);
}

.page-home .metric-progress__fill {
  display: block;
  width: 68%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-home .metric-list {
  margin: 0;
  display: grid;
}

.page-home .metric-list__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--hair);
  font-size: 14px;
}

.page-home .metric-list__row:last-child {
  border-bottom: 0;
}

.page-home .metric-list dt {
  color: var(--ink-70);
}

.page-home .metric-list dd {
  margin: 0;
  font-size: 14px;
  color: var(--cyan-soft);
}

.page-home .metric-list dd.metric-list__row--hot {
  color: var(--orange);
}

.page-home .home-hero__panel-foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hair);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-55);
}

/* ---------- 通用小标题 ---------- */
.page-home .home-head {
  display: grid;
  gap: 14px;
}

.page-home .home-head h2 {
  margin: 10px 0 0;
}

.page-home .home-head__note {
  margin: 0;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-55);
}

.page-home .home-head--split {
  gap: clamp(20px, 3vw, 34px);
}

.page-home .home-rounds__figure {
  margin: 0;
}

/* ---------- 轮次赛道 ---------- */
.page-home .home-rounds {
  background: linear-gradient(180deg, var(--abyss) 0%, #051827 100%);
}

.page-home .round-track {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0 0 12px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(196px, 1fr);
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.page-home .round-node {
  height: 100%;
  scroll-snap-align: start;
  background: rgba(11, 42, 69, 0.6);
  border: 1px solid var(--hair);
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-home .round-node:hover,
.page-home .round-node:focus-within {
  border-color: var(--hair-strong);
}

.page-home .round-node[open] {
  background: var(--panel);
  border-color: var(--hair-strong);
}

.page-home .round-node summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  display: grid;
  gap: 6px;
  padding: 16px 14px 18px;
}

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

.page-home .round-node summary::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--hair-strong);
}

.page-home .round-node--live summary::before {
  background: var(--orange);
}

.page-home .round-node__id {
  font-size: 26px;
  line-height: 1;
  color: var(--orange);
}

.page-home .round-node__meta {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-55);
}

.page-home .round-node__state {
  justify-self: start;
  margin-top: 4px;
  padding: 3px 8px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
  border: 1px solid var(--hair-strong);
}

.page-home .round-node--live .round-node__state {
  color: var(--abyss);
  background: var(--orange);
  border-color: var(--orange);
}

.page-home .round-node__body {
  padding: 0 14px 16px;
  border-top: 1px solid var(--hair);
  padding-top: 12px;
}

.page-home .round-node__body p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-home .home-rounds__more {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: 14px;
}

/* ---------- 双入口 ---------- */
.page-home .home-devices {
  background:
    linear-gradient(160deg, rgba(23, 59, 87, 0.55) 0%, rgba(6, 26, 46, 0) 60%),
    var(--abyss);
}

.page-home .home-devices__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-home .home-devices__figure {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-home .home-devices__figure figcaption {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-55);
}

.page-home .device-card {
  padding: clamp(18px, 2.4vw, 26px);
  border-left: 2px solid var(--cyan);
}

.page-home .device-card + .device-card {
  margin-top: var(--gap);
  border-left-color: var(--clay);
}

.page-home .device-card h3 {
  margin: 12px 0 8px;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.4;
  color: var(--cream);
}

.page-home .device-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-70);
}

/* ---------- 三轮记录（米白区） ---------- */
.page-home .section--paper,
.page-home .home-records,
.page-home .home-start {
  background: var(--paper);
  color: var(--graphite);
}

.page-home .home-records .headline,
.page-home .home-start .headline {
  color: var(--graphite);
}

.page-home .home-records .eyebrow,
.page-home .home-start .eyebrow,
.page-home .home-start .faq-mini summary::after {
  color: var(--orange-deep);
}

.page-home .home-records .eyebrow::before,
.page-home .home-start .eyebrow::before {
  background: var(--orange-deep);
}

.page-home .section--paper .btn--ghost {
  border-color: rgba(17, 24, 32, 0.34);
  color: var(--graphite);
}

.page-home .section--paper .btn--ghost:hover,
.page-home .section--paper .btn--ghost:focus-visible {
  border-color: var(--orange-deep);
  color: var(--orange-deep);
}

.page-home .home-records__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
}

.page-home .home-records__lede {
  margin: 16px 0 22px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(17, 24, 32, 0.74);
}

.page-home .record-steps {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
}

.page-home .record-steps li {
  position: relative;
  margin-left: 6px;
  padding: 0 0 22px 28px;
  border-left: 1px solid rgba(17, 24, 32, 0.2);
}

.page-home .record-steps li:last-child {
  padding-bottom: 0;
  border-left-color: rgba(17, 24, 32, 0.2);
}

.page-home .record-steps li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--paper);
  border: 2px solid var(--clay);
}

.page-home .record-steps li:first-child::before {
  background: var(--orange);
  border-color: var(--orange);
}

.page-home .record-steps__num {
  display: block;
  margin-bottom: 4px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange-deep);
}

.page-home .record-steps strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--graphite);
}

.page-home .record-steps p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(17, 24, 32, 0.72);
}

.page-home .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 事实区 ---------- */
.page-home .home-why {
  background:
    radial-gradient(90% 70% at 0% 0%, rgba(201, 120, 90, 0.14), rgba(6, 26, 46, 0) 60%),
    var(--abyss);
}

.page-home .fact-grid {
  list-style: none;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(16px, 2.6vw, 30px);
}

.page-home .fact-grid li {
  padding: 18px 0 20px;
  border-top: 1px solid var(--hair);
}

.page-home .fact-grid__num {
  display: block;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.1;
  color: var(--orange);
}

.page-home .fact-grid__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
}

.page-home .fact-grid p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-55);
}

.page-home .home-why__foot {
  margin-top: clamp(24px, 3vw, 34px);
  padding-top: 18px;
  border-top: 1px solid var(--hair-strong);
}

.page-home .home-why__foot p {
  margin: 0;
  max-width: 72ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-70);
}

.page-home .home-why__honor {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  font-size: 13px;
  color: var(--ink-55);
}

/* ---------- 入口与帮助 ---------- */
.page-home .start-grid {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-home .start-grid a {
  display: block;
  height: 100%;
  padding: 18px 16px 20px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(17, 24, 32, 0.14);
  color: var(--graphite);
  text-decoration: none;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-home .start-grid a:hover,
.page-home .start-grid a:focus-visible {
  border-color: var(--orange-deep);
  background: rgba(255, 255, 255, 0.92);
}

.page-home .start-grid__id {
  display: block;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange-deep);
}

.page-home .start-grid h3 {
  margin: 8px 0 6px;
  font-size: 17px;
  line-height: 1.4;
}

.page-home .start-grid p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(17, 24, 32, 0.72);
}

.page-home .home-start__faq {
  margin-top: clamp(30px, 4vw, 48px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid rgba(17, 24, 32, 0.16);
}

.page-home .home-start__faq-title {
  margin: 0 0 14px;
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--graphite);
}

.page-home .faq-mini details {
  border-bottom: 1px solid rgba(17, 24, 32, 0.16);
}

.page-home .faq-mini details:first-of-type {
  border-top: 1px solid rgba(17, 24, 32, 0.16);
}

.page-home .faq-mini summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 15px 30px 15px 0;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--graphite);
}

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

.page-home .faq-mini summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--orange-deep);
}

.page-home .faq-mini details[open] summary::after {
  content: "–";
}

.page-home .faq-mini p {
  margin: 0;
  padding: 0 10px 16px 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(17, 24, 32, 0.74);
}

.page-home .home-start__more {
  margin: 16px 0 0;
  font-size: 14px;
}

.page-home .home-start__more a {
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 95, 31, 0.4);
  padding-bottom: 2px;
}

.page-home .home-start__more a:hover,
.page-home .home-start__more a:focus-visible {
  border-bottom-color: var(--orange-deep);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-home .fact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
  }

  .page-home .home-hero__panel {
    margin-top: clamp(16px, 4vw, 58px);
  }

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

  .page-home .home-devices__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-home .home-records__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-home .record-steps {
    margin-bottom: clamp(26px, 3vw, 34px);
  }
}

@media (min-width: 1040px) {
  .page-home .fact-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .fact-grid__num {
    font-size: clamp(24px, 2.6vw, 32px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .round-node,
  .page-home .start-grid a {
    transition: none;
  }
}
<<<END>>>