.page-home {
  --home-cut: 28px;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-home .container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-home h2,
.page-home h3 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.page-home .display {
  font-size: clamp(28px, 5vw, 52px);
  line-height: 1.08;
  font-weight: 300;
  margin: 10px 0 0;
  color: var(--paper);
}

.page-home .lede {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cool);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: clamp(18px, 4vw, 36px) 0 clamp(48px, 8vw, 88px);
  overflow: hidden;
  background:
    radial-gradient(90% 70% at 88% 6%, rgba(21, 224, 200, 0.13), transparent 62%),
    radial-gradient(70% 60% at 4% 96%, rgba(255, 154, 60, 0.1), transparent 64%),
    var(--ink);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  left: clamp(10px, 2.6vw, 32px);
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--cyan-soft) 28%, var(--amber) 76%, transparent 100%);
  opacity: 0.5;
  pointer-events: none;
}

.page-home .hero .crumbs {
  margin-bottom: 14px;
}

.page-home .hero__frame {
  position: relative;
  padding: clamp(12px, 2.4vw, 24px);
  border: 1px solid var(--line-strong);
  background: rgba(5, 13, 20, 0.62);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-home .hero__frame::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 7px;
  background-image: repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 16px);
  opacity: 0.55;
  pointer-events: none;
}

.page-home .hero__grid {
  display: grid;
  gap: 14px;
}

.page-home .review-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(22px, 4vw, 44px) clamp(18px, 3.4vw, 40px);
  background: linear-gradient(155deg, #173b52 0%, #0e2334 54%, var(--ink) 100%);
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), calc(100% - 40px) 100%, 0 100%);
}

.page-home .review-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--amber), var(--cyan));
}

.page-home .review-card .eyebrow {
  color: var(--amber);
  margin: 0;
}

.page-home .review-card h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(29px, 5.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-home .review-card__lede {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--cool);
}

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

.page-home .review-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin: auto 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--cool);
}

.page-home .review-card__meta .num {
  color: var(--cyan);
  font-size: 20px;
  margin-right: 6px;
}

.page-home .hero__data {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .strip {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  flex: 1 1 0;
  min-height: 158px;
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--line);
  background: var(--slate);
}

.page-home .strip--possession {
  background: linear-gradient(150deg, #17313f 0%, var(--slate) 100%);
}

.page-home .strip__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
}

.page-home .strip::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 13, 20, 0.1), rgba(5, 13, 20, 0.86));
  pointer-events: none;
}

.page-home .strip__body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.page-home .strip__label {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.page-home .strip__state {
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  border: 1px solid rgba(46, 212, 122, 0.5);
  color: var(--green);
  white-space: nowrap;
}

.page-home .strip__metric {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-home .strip__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(42px, 7vw, 70px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-home .strip__unit {
  font-size: 14px;
  color: var(--paper);
}

.page-home .strip__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cool);
}

.page-home .possession {
  display: grid;
  gap: 8px;
}

.page-home .possession__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--cool);
}

.page-home .possession__val {
  color: var(--paper);
  font-size: 16px;
}

.page-home .possession__bar {
  height: 8px;
  background: rgba(143, 163, 176, 0.18);
  overflow: hidden;
}

.page-home .possession__fill {
  display: block;
  height: 100%;
}

.page-home .possession__fill--a {
  width: 58%;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-soft));
}

.page-home .possession__fill--b {
  width: 42%;
  background: linear-gradient(90deg, var(--amber), #ffc78f);
}

/* ---------- 版本时间轴 ---------- */
.page-home .version {
  position: relative;
  padding: clamp(56px, 9vw, 104px) 0 clamp(48px, 7vw, 84px);
  background: linear-gradient(180deg, var(--ink), #081521 58%, var(--ink));
}

.page-home .version .eyebrow {
  color: var(--cyan);
}

.page-home .version__stage {
  position: relative;
  margin-top: clamp(24px, 4vw, 44px);
  overflow: hidden;
}

.page-home .version__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.13;
}

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

.page-home .tl-track {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 6px 0 18px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-home .tl-track::-webkit-scrollbar {
  height: 6px;
}

.page-home .tl-track::-webkit-scrollbar-thumb {
  background: var(--line-strong);
}

.page-home .tl-item {
  position: relative;
  flex: 0 0 min(80vw, 300px);
  scroll-snap-align: start;
  padding: 22px 18px 22px;
  border: 1px solid var(--line);
  background: rgba(20, 42, 58, 0.78);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-home .tl-item::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 0;
  width: 36px;
  height: 2px;
  background: var(--cyan);
}

.page-home .tl-item--now {
  border-color: rgba(255, 154, 60, 0.55);
  background: rgba(255, 154, 60, 0.09);
}

.page-home .tl-item--now::before {
  background: var(--amber);
}

.page-home .tl-item__date {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--amber);
}

.page-home .tl-item h3 {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
}

.page-home .tl-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cool);
}

.page-home .tl-tools {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 6px;
}

.page-home .tl-btn {
  appearance: none;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

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

/* ---------- 服务路径 ---------- */
.page-home .path {
  position: relative;
  padding: clamp(56px, 9vw, 108px) 0;
  overflow: hidden;
  background: var(--ink);
}

.page-home .path__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
}

.page-home .path .container {
  position: relative;
  z-index: 1;
}

.page-home .path .eyebrow {
  color: var(--amber);
}

.page-home .tree {
  list-style: none;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .tree__node {
  position: relative;
  padding: 24px 0 24px 62px;
}

.page-home .tree__node::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--line-strong), rgba(143, 163, 176, 0.05));
}

.page-home .tree__node:last-child::before {
  bottom: 42%;
}

.page-home .tree__num {
  position: absolute;
  left: 0;
  top: 24px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

.page-home .tree__node h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  color: var(--paper);
}

.page-home .tree__node p {
  margin: 0;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--cool);
}

.page-home .tree__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(21, 224, 200, 0.35);
  padding-bottom: 2px;
}

.page-home .tree__link:hover,
.page-home .tree__link:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 帮助中心 ---------- */
.page-home .help {
  padding: clamp(56px, 8vw, 100px) 0;
  background: var(--paper);
  color: var(--ink);
}

.page-home .help .eyebrow {
  color: #6b7f8c;
}

.page-home .help h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .help__lede {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: #45586a;
}

.page-home .help__grid {
  display: grid;
  gap: 10px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-home .help__item {
  position: relative;
  display: block;
  padding: 22px 18px 22px 62px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--paper-line);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-home .help__item:hover,
.page-home .help__item:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-home .help__num {
  position: absolute;
  left: 18px;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--slate);
}

.page-home .help__item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.page-home .help__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: #4d6070;
}

.page-home .help__flag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
  border: 1px solid rgba(255, 154, 60, 0.55);
}

.page-home .help__item--third {
  background: var(--ink);
  border-color: var(--ink);
}

.page-home .help__item--third .help__num {
  color: var(--amber);
}

.page-home .help__item--third h3 {
  color: var(--paper);
}

.page-home .help__item--third p {
  color: var(--cool);
}

/* ---------- 近期专题 ---------- */
.page-home .topics {
  padding: clamp(56px, 9vw, 108px) 0;
  background: var(--ink);
}

.page-home .topics .eyebrow {
  color: var(--cyan);
}

.page-home .topics__head {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-home .topics__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .topics .chip {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--cool);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-home .topics .chip[aria-pressed="true"] {
  border-color: var(--cyan);
  color: var(--ink);
  background: var(--cyan);
}

.page-home .topics__grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3.5vw, 34px);
}

.page-home .topic {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  background: linear-gradient(160deg, rgba(20, 42, 58, 0.92), rgba(11, 27, 43, 0.92));
  border: 1px solid var(--line);
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-home .topic:hover,
.page-home .topic:focus-visible {
  border-color: rgba(21, 224, 200, 0.55);
  transform: translateY(-2px);
}

.page-home .topic__tag {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-home .topic h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
}

.page-home .topic__time {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cool);
}

.page-home .topic--feature {
  position: relative;
  overflow: hidden;
  padding: 0;
  min-height: 230px;
  justify-content: flex-end;
}

.page-home .topic__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
}

.page-home .topic--feature::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 13, 20, 0.15) 0%, rgba(5, 13, 20, 0.9) 82%);
  pointer-events: none;
}

.page-home .topic__body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
}

.page-home .topic__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--cool);
}

/* ---------- 联系与备案 ---------- */
.page-home .trust {
  padding: clamp(48px, 8vw, 92px) 0 clamp(56px, 8vw, 96px);
  background: linear-gradient(180deg, #081521, var(--night));
  border-top: 1px solid var(--line);
}

.page-home .trust .eyebrow {
  color: var(--amber);
}

.page-home .trust h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.12;
  color: var(--paper);
}

.page-home .trust__grid {
  display: grid;
  gap: 30px;
}

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

.page-home .trust__list {
  display: grid;
  gap: 14px;
  margin: 0;
  align-content: start;
}

.page-home .trust__row {
  padding-top: 10px;
  border-top: 1px solid var(--line);
  min-width: 0;
}

.page-home .trust__row dt {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cool);
}

.page-home .trust__row dd {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-home .trust__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-home .topics__filters {
    justify-content: flex-start;
  }
}

@media (min-width: 700px) {
  .page-home .help__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-home .tl-item {
    flex-basis: 320px;
  }
}

@media (min-width: 860px) {
  .page-home .tree {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
  }

  .page-home .tree__node {
    padding: 66px 0 0;
  }

  .page-home .tree__node::before {
    left: 0;
    right: 0;
    top: 17px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--line-strong), rgba(143, 163, 176, 0.04));
  }

  .page-home .tree__node:last-child::before {
    right: 40%;
    bottom: auto;
  }

  .page-home .tree__num {
    left: 0;
    top: 0;
  }

  .page-home .tree__node p {
    max-width: none;
  }

  .page-home .topics__head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
  }
}

@media (min-width: 940px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 20px;
  }

  .page-home .trust__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 56px;
  }
}

@media (min-width: 1040px) {
  .page-home .help__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .help__item,
  .page-home .topic,
  .page-home .tl-btn {
    transition: none;
  }

  .page-home .help__item:hover,
  .page-home .help__item:focus-visible,
  .page-home .topic:hover,
  .page-home .topic:focus-visible {
    transform: none;
  }

  .page-home .tl-track {
    scroll-behavior: auto;
  }
}
<<<END>>>