.page-home {
  --home-hair: rgba(30, 77, 107, .85);
  --home-paper-ink: rgba(36, 30, 26, .74);
  --home-paper-line: rgba(36, 30, 26, .24);
  display: block;
}

/* ---------- 首屏框景 ---------- */

.page-home .hero-section {
  padding-top: clamp(20px, 3.6vw, 52px);
}

.page-home .hero-frame {
  position: relative;
  padding: clamp(18px, 2.6vw, 44px);
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(11, 36, 64, .96), rgba(7, 26, 51, .99));
  overflow: hidden;
}

.page-home .hero-frame::before,
.page-home .hero-frame::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 1px solid var(--cyan);
  opacity: .55;
  pointer-events: none;
}

.page-home .hero-frame::before {
  top: 0;
  left: 0;
  border-right: 0;
  border-bottom: 0;
}

.page-home .hero-frame::after {
  right: 0;
  bottom: 0;
  border-left: 0;
  border-top: 0;
}

.page-home .hero-scale {
  height: 9px;
  margin-bottom: clamp(16px, 2.4vw, 30px);
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(90deg, var(--steel) 0 1px, transparent 1px 16px);
}

.page-home .hero-context {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--silver);
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
}

.page-home .hero-title {
  margin: 0 0 clamp(14px, 2vw, 22px);
  max-width: 20ch;
  font-size: clamp(30px, 5.2vw, 58px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-home .hero-sub {
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-width: 54ch;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.75;
  color: var(--txt-72);
}

.page-home .hero-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .hero-steps__item {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding-right: 26px;
}

.page-home .hero-steps__item:not(:last-child)::after {
  content: "›";
  position: absolute;
  right: 8px;
  top: 0;
  color: var(--steel);
}

.page-home .hero-steps__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--orange);
}

.page-home .hero-steps__label {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

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

.page-home .hero-media img {
  display: block;
  width: 100%;
  height: clamp(180px, 24vw, 330px);
  border: 1px solid var(--line);
  object-fit: cover;
}

.page-home .index-deck {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 1.6vw, 20px);
  margin: clamp(26px, 3.4vw, 46px) 0 0;
  padding: clamp(20px, 2.4vw, 28px) 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.page-home .index-card {
  min-width: 0;
}

.page-home .index-card__link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: clamp(16px, 1.6vw, 22px);
  border: 1px solid var(--line);
  background: rgba(11, 36, 64, .55);
  color: var(--white);
  text-decoration: none;
  transition: border-color .35s var(--ease), background .35s var(--ease), transform .35s var(--ease);
}

.page-home .index-card__link:hover,
.page-home .index-card__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(53, 240, 208, .07);
  transform: translateY(-3px);
}

.page-home .index-card__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--silver);
}

.page-home .index-card__title {
  font-size: clamp(18px, 1.5vw, 21px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-home .index-card__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--txt-58);
}

.page-home .index-card__go {
  margin-top: auto;
  padding-top: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
}

/* ---------- 三条内容线（奶油纸章节） ---------- */

.page-home .section--paper {
  background: var(--paper);
  color: var(--brown);
}

.page-home .section--paper .eyebrow {
  color: var(--steel);
}

.page-home .lane-head {
  max-width: 68ch;
  margin-bottom: clamp(26px, 3.6vw, 48px);
}

.page-home .lane-title {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.6vw, 42px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.page-home .lane-sub {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--home-paper-ink);
}

.page-home .lane-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.4vw, 30px);
}

.page-home .lane {
  padding: clamp(18px, 2vw, 26px);
  border: 1px solid rgba(36, 30, 26, .2);
  background: rgba(255, 255, 255, .58);
}

.page-home .lane--lead {
  border-color: var(--brown);
  background: var(--brown);
  color: var(--white);
}

.page-home .lane__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--steel);
}

.page-home .lane--lead .lane__tag {
  color: var(--cyan);
}

.page-home .lane__title {
  margin: 0 0 12px;
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-home .lane__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--home-paper-ink);
}

.page-home .lane--lead .lane__text {
  color: var(--txt-72);
}

.page-home .lane__stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(36, 30, 26, .18);
}

.page-home .lane--lead .lane__stat {
  border-bottom-color: rgba(245, 249, 255, .18);
}

.page-home .numbig {
  font-family: var(--font-mono);
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--orange);
}

.page-home .lane--lead .numbig {
  color: var(--cyan);
}

.page-home .numbig__unit {
  font-size: 14px;
  letter-spacing: 0;
  color: rgba(36, 30, 26, .66);
}

.page-home .lane--lead .numbig__unit {
  color: var(--txt-58);
}

.page-home .lane__list {
  display: grid;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-home .lane__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--home-paper-ink);
}

.page-home .lane--lead .lane__list li {
  color: var(--txt-72);
}

.page-home .lane__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 1px;
  background: var(--orange);
}

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

.page-home .lane__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(36, 30, 26, .22);
}

.page-home .lane__link {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 1px solid currentColor;
  font-size: 14px;
  font-weight: 600;
  color: var(--steel);
  text-decoration: none;
}

.page-home .lane--lead .lane__link {
  color: var(--cyan);
}

.page-home .lane__link:hover {
  color: var(--orange);
}

.page-home .lane--lead .lane__link:hover {
  color: var(--orange);
}

/* ---------- 更新节拍 ---------- */

.page-home .beat-head {
  max-width: 62ch;
  margin-bottom: clamp(30px, 4vw, 54px);
}

.page-home .beat-title {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.6vw, 42px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-home .beat-sub {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--txt-72);
}

.page-home .beat-list {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.2vw, 40px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .beat-item {
  position: relative;
  padding-left: 24px;
  border-left: 1px solid var(--steel);
}

.page-home .beat-item__dot {
  position: absolute;
  left: -7px;
  top: 4px;
  width: 13px;
  height: 13px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--sea);
}

.page-home .beat-item--now .beat-item__dot {
  border-color: var(--orange);
  animation: home-pulse 2.4s var(--ease) infinite;
}

@keyframes home-pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 122, 47, .55); }
  70% { box-shadow: 0 0 0 12px rgba(255, 122, 47, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 122, 47, 0); }
}

.page-home .beat-item .tag {
  display: inline-block;
  margin-bottom: 12px;
}

.page-home .beat-item__num {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(30px, 3.4vw, 42px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-home .beat-item__unit {
  margin-left: 6px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--silver);
}

.page-home .beat-item__text {
  margin: 0;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--txt-58);
}

.page-home .beat-media {
  margin: clamp(30px, 4vw, 54px) 0 0;
}

.page-home .beat-media img {
  display: block;
  width: 100%;
  height: clamp(180px, 26vw, 340px);
  border: 1px solid var(--line);
  object-fit: cover;
}

/* ---------- 跨设备续看 ---------- */

.page-home .device-section {
  background: var(--ink);
}

.page-home .device-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.4vw, 52px);
}

.page-home .device-title {
  margin: 0 0 14px;
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-home .device-sub {
  margin: 0 0 clamp(22px, 2.6vw, 32px);
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--txt-72);
}

.page-home .device-steps {
  display: grid;
  gap: 12px;
  margin: 0 0 clamp(20px, 2.4vw, 28px);
  padding: 0;
  list-style: none;
}

.page-home .device-step {
  position: relative;
  padding: clamp(14px, 1.6vw, 18px) clamp(16px, 1.8vw, 20px);
  padding-left: clamp(52px, 5vw, 68px);
  border: 1px solid rgba(36, 30, 26, .18);
  background: rgba(244, 239, 228, .94);
  color: var(--brown);
  transition: border-color .3s var(--ease), background .3s var(--ease);
}

.page-home .device-step:hover {
  border-color: var(--cyan);
  background: var(--paper);
}

.page-home .device-step__idx {
  position: absolute;
  left: clamp(14px, 1.6vw, 18px);
  top: clamp(14px, 1.6vw, 18px);
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--steel);
}

.page-home .device-step__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.page-home .device-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(36, 30, 26, .72);
}

.page-home .device-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--txt-58);
}

.page-home .device-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-home .device-note a:hover {
  color: var(--orange);
}

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

.page-home .device-media img {
  display: block;
  width: 100%;
  height: clamp(200px, 30vw, 400px);
  border: 1px solid var(--line);
  object-fit: cover;
}

/* ---------- 栏目名直达 ---------- */

.page-home .search-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-home .search-title {
  margin: 0 0 14px;
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.page-home .search-sub {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--home-paper-ink);
}

.page-home .search-panel {
  padding: clamp(18px, 2.4vw, 32px);
  border: 1px solid var(--home-paper-line);
  background: rgba(255, 255, 255, .6);
}

.page-home .search-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: clamp(12px, 1.4vw, 16px) clamp(14px, 1.6vw, 20px);
  border: 1px solid var(--steel);
  background: var(--sea);
}

.page-home .search-bar__icon {
  flex: none;
  color: var(--cyan);
}

.page-home .search-bar__query {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.4vw, 18px);
  letter-spacing: .02em;
  color: var(--white);
}

.page-home .search-bar__caret {
  width: 2px;
  height: 1.15em;
  background: var(--cyan);
  animation: home-caret 1.1s steps(1, end) infinite;
}

@keyframes home-caret {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.page-home .search-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(18px, 2.2vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .search-tag {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid rgba(36, 30, 26, .28);
  background: rgba(255, 255, 255, .75);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--brown);
  text-decoration: none;
  transition: background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease), transform .25s var(--ease);
}

.page-home .search-tag:hover,
.page-home .search-tag:focus-visible {
  border-color: var(--brown);
  background: var(--brown);
  color: var(--paper);
  transform: translateY(-2px);
}

/* ---------- 人工协助 ---------- */

.page-home .help-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 44px);
  padding: clamp(22px, 3vw, 44px);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(11, 36, 64, .95), rgba(7, 26, 51, .99));
}

.page-home .help-title {
  margin: 0 0 12px;
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-home .help-text {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--txt-72);
}

.page-home .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.page-home .help-list__row {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-home .help-list__row:last-child {
  border-bottom: 1px solid var(--line);
}

.page-home .help-list__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--silver);
}

.page-home .help-list__val {
  margin: 0;
  font-size: clamp(15px, 1.4vw, 18px);
  font-weight: 600;
  color: var(--white);
  word-break: break-word;
}

/* ---------- 断点 ---------- */

@media (min-width: 760px) {
  .page-home .index-deck {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-home .beat-list::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 11px;
    height: 1px;
    background: linear-gradient(90deg, var(--steel), var(--cyan) 48%, var(--orange));
    opacity: .8;
  }

  .page-home .beat-item {
    padding-left: 0;
    border-left: 0;
  }

  .page-home .beat-item__dot {
    left: 0;
    top: 5px;
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
  }

  .page-home .lane-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-home .device-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .beat-item--now .beat-item__dot,
  .page-home .search-bar__caret {
    animation: none;
  }

  .page-home .index-card__link,
  .page-home .search-tag,
  .page-home .device-step {
    transition: none;
  }

  .page-home .index-card__link:hover,
  .page-home .index-card__link:focus-visible,
  .page-home .search-tag:hover,
  .page-home .search-tag:focus-visible {
    transform: none;
  }
}
<<<END>>>