.page-home {
  --home-grad: linear-gradient(90deg, var(--yf-orange), var(--yf-cyan));
  --home-card-gap: clamp(14px, 2vw, 22px);
}

/* ---------- 封面首屏 ---------- */
.page-home .yf-cover {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: calc(100vh - var(--yf-header-h));
  padding: clamp(120px, 16vh, 180px) 0 clamp(32px, 6vh, 60px);
  overflow: hidden;
  border-bottom: 2px solid var(--yf-line);
  isolation: isolate;
}

.page-home .yf-cover__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-home .yf-cover__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
  filter: saturate(.85) contrast(1.08);
}

.page-home .yf-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 19, 15, .58) 0%, rgba(5, 19, 15, .86) 48%, var(--yf-bg) 100%),
    radial-gradient(120% 82% at 14% 0%, rgba(47, 232, 198, .16), transparent 62%),
    radial-gradient(90% 70% at 92% 100%, rgba(255, 78, 43, .12), transparent 68%);
}

.page-home .yf-cover__inner {
  position: relative;
  width: 100%;
}

.page-home .yf-cover__ring {
  position: absolute;
  top: clamp(96px, 15vh, 150px);
  right: var(--yf-gutter);
  width: clamp(84px, 12vw, 126px);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
}

.page-home .yf-cover__ring svg {
  width: 100%;
  height: 100%;
  display: block;
}

.page-home .yf-cover__ring-label {
  position: absolute;
  font-family: var(--yf-mono);
  font-size: clamp(15px, 2.2vw, 21px);
  line-height: 1;
  color: var(--yf-ink);
  text-align: center;
}

.page-home .yf-cover__ring-label em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--yf-muted);
}

.page-home .yf-cover__title {
  margin: clamp(10px, 1.8vh, 22px) 0 0;
  font-family: var(--yf-cond);
  font-weight: 200;
  font-size: clamp(36px, 8.6vw, 100px);
  line-height: 1.03;
  letter-spacing: -.02em;
  color: var(--yf-ink);
  max-width: 15ch;
}

.page-home .yf-cover__lede {
  margin: clamp(16px, 2.6vh, 28px) 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.75;
  color: var(--yf-muted);
}

.page-home .yf-cover__index {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: clamp(28px, 5vh, 52px);
}

.page-home .yf-cover__index-item {
  display: block;
  padding: 14px 16px 16px;
  border: 2px solid var(--yf-line);
  background: rgba(11, 31, 25, .74);
  text-decoration: none;
  color: var(--yf-ink);
  transition: border-color .28s var(--yf-ease), transform .28s var(--yf-ease), box-shadow .28s var(--yf-ease);
}

.page-home .yf-cover__index-item:hover,
.page-home .yf-cover__index-item:focus-visible {
  border-color: var(--yf-cyan);
  transform: translate(-3px, -3px);
  box-shadow: var(--yf-hard-shadow);
}

.page-home .yf-cover__index-num {
  display: block;
  font-family: var(--yf-mono);
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1;
  color: var(--yf-cyan);
}

.page-home .yf-cover__index-label {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--yf-ink);
}

.page-home .yf-cover__index-note {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--yf-muted);
}

/* ---------- 通用章节补充 ---------- */
.page-home .yf-section__band {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(16px, 2.6vh, 26px);
}

.page-home .yf-section__band .yf-rule {
  flex: 1 1 auto;
  height: 2px;
  background: var(--home-grad);
}

.page-home .yf-section__kicker {
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--yf-muted);
  white-space: nowrap;
}

.page-home .yf-section__num {
  font-family: var(--yf-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--yf-orange);
}

/* ---------- 01 对比 ---------- */
.page-home .home-compare {
  padding-block: clamp(56px, 9vh, 104px);
}

.page-home .home-compare__head {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(24px, 4vh, 40px);
}

.page-home .home-compare__intro {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--yf-muted);
}

.page-home .yf-track {
  display: flex;
  gap: var(--home-card-gap);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  padding: 4px 4px 22px;
  margin-inline: -4px;
}

.page-home .yf-track__item {
  flex: 0 0 min(82vw, 330px);
  scroll-snap-align: start;
}

.page-home .home-meter {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  border: 2px solid var(--yf-line);
  background: var(--yf-panel);
  transition: border-color .28s var(--yf-ease), transform .28s var(--yf-ease), box-shadow .28s var(--yf-ease);
}

.page-home .home-meter:hover {
  border-color: var(--yf-cyan);
  transform: translate(-3px, -3px);
  box-shadow: var(--yf-hard-shadow);
}

.page-home .home-meter__tag {
  margin: 0;
  font-family: var(--yf-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--yf-orange);
}

.page-home .home-meter__title {
  margin: 0;
  font-family: var(--yf-cond);
  font-weight: 200;
  font-size: clamp(26px, 3.4vw, 34px);
  line-height: 1.1;
  color: var(--yf-ink);
}

.page-home .home-meter__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--yf-muted);
}

.page-home .home-meter__bar {
  margin-top: auto;
}

.page-home .home-meter .yf-data-bar__fill {
  width: var(--fill, 60%);
  transition: width .3s var(--yf-ease), filter .3s var(--yf-ease);
}

.page-home .home-meter:hover .yf-data-bar__fill {
  filter: brightness(1.22);
}

.page-home .home-meter__foot {
  margin: 0;
  font-size: 12px;
  color: var(--yf-muted);
}

.page-home .yf-num {
  font-family: var(--yf-mono);
  font-size: 1.2em;
  color: var(--yf-orange);
}

.page-home .home-track__shot {
  flex-basis: min(78vw, 300px);
}

.page-home .home-compare__read {
  display: grid;
  gap: clamp(20px, 3.4vw, 40px);
  margin-top: clamp(20px, 3vh, 34px);
}

.page-home .home-compare__chart {
  max-width: 420px;
}

.page-home .home-compare__read-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.page-home .home-compare__read-title {
  margin: 0;
  font-family: var(--yf-cond);
  font-weight: 200;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.2;
  color: var(--yf-ink);
}

.page-home .home-compare__read-body p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--yf-muted);
}

/* ---------- 02 轮次日历 ---------- */
.page-home .home-calendar {
  padding-block: clamp(56px, 9vh, 104px);
}

.page-home .home-calendar__grid {
  display: grid;
  gap: clamp(22px, 3.6vw, 44px);
  margin-top: clamp(22px, 3.6vh, 36px);
}

.page-home .home-calendar__anchor {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-home .home-calendar__anchor-title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--yf-muted);
}

.page-home .home-calendar__anchor .yf-anchor__link {
  display: block;
  padding: 7px 0;
  font-size: 13px;
  color: var(--yf-muted);
  text-decoration: none;
  border-left: 2px solid var(--yf-line);
  padding-left: 12px;
  transition: color .26s var(--yf-ease), border-color .26s var(--yf-ease);
}

.page-home .home-calendar__anchor .yf-anchor__link:hover,
.page-home .home-calendar__anchor .yf-anchor__link:focus-visible,
.page-home .home-calendar__anchor .yf-anchor__link[aria-current="true"] {
  color: var(--yf-cyan);
  border-left-color: var(--yf-cyan);
}

.page-home .home-calendar__anchor-more {
  margin-top: 8px;
  color: var(--yf-orange) !important;
  border-left-color: var(--yf-orange) !important;
}

.page-home .home-round {
  padding: clamp(18px, 2.4vw, 28px);
  border: 2px solid var(--yf-line);
  background: var(--yf-panel);
}

.page-home .home-round + .home-round {
  margin-top: 14px;
}

.page-home .home-round__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 14px;
}

.page-home .home-round__title {
  margin: 0;
  font-family: var(--yf-cond);
  font-weight: 200;
  font-size: clamp(24px, 3.2vw, 32px);
  line-height: 1.1;
  color: var(--yf-ink);
}

.page-home .home-round__meta {
  font-size: 12px;
  color: var(--yf-muted);
}

.page-home .home-round__text {
  margin: 12px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--yf-muted);
}

.page-home .home-bars {
  width: 100%;
  max-width: 520px;
  height: auto;
  margin-top: 16px;
  display: block;
}

.page-home .home-round__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  color: var(--yf-muted);
}

.page-home .home-round__legend-hot {
  color: var(--yf-orange);
}

/* ---------- 03 接入方式 ---------- */
.page-home .home-access {
  position: relative;
  padding-block: clamp(60px, 10vh, 116px);
  overflow: hidden;
  isolation: isolate;
}

.page-home .home-access__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-home .home-access__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
}

.page-home .home-access::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(180deg, var(--yf-bg) 0%, rgba(5, 19, 15, .86) 42%, var(--yf-bg) 100%),
    radial-gradient(80% 60% at 78% 20%, rgba(47, 232, 198, .14), transparent 66%);
}

.page-home .home-access__intro {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--yf-muted);
}

.page-home .home-access__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(22px, 3.4vh, 34px);
}

.page-home .home-access__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  border: 2px solid var(--yf-line);
  background: rgba(11, 31, 25, .92);
  transition: border-color .28s var(--yf-ease), transform .28s var(--yf-ease), box-shadow .28s var(--yf-ease);
}

.page-home .home-access__card:hover {
  border-color: var(--yf-cyan);
  transform: translate(-3px, -3px);
  box-shadow: var(--yf-hard-shadow);
}

.page-home .home-access__card-num {
  margin: 0;
  font-family: var(--yf-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--yf-cyan);
}

.page-home .home-access__card-title {
  margin: 0;
  font-family: var(--yf-cond);
  font-weight: 200;
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.14;
  color: var(--yf-ink);
}

.page-home .home-access__card-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--yf-muted);
}

.page-home .home-access__card .yf-tag {
  align-self: flex-start;
  margin-top: auto;
}

.page-home .home-access__note {
  margin: clamp(20px, 3vh, 32px) 0 0;
  max-width: 70ch;
  font-size: 14px;
  line-height: 1.82;
  color: var(--yf-muted);
  border-left: 2px solid var(--yf-amber);
  padding-left: 14px;
}

.page-home .home-access .yf-btn {
  margin-top: clamp(18px, 2.6vh, 28px);
}

/* ---------- 04 三步路径 ---------- */
.page-home .home-steps {
  padding-block: clamp(56px, 9vh, 104px);
}

.page-home .home-steps__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: clamp(22px, 3.4vh, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .home-steps__list .yf-step {
  padding: clamp(18px, 2.4vw, 26px);
  border: 2px solid var(--yf-line);
  background: var(--yf-panel);
  position: relative;
}

.page-home .home-steps__list .yf-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--home-grad);
}

.page-home .home-steps__list .yf-step__index {
  font-family: var(--yf-mono);
  font-size: clamp(30px, 4.4vw, 42px);
  line-height: 1;
  color: var(--yf-cyan);
  display: block;
}

.page-home .home-steps__list .yf-step__title {
  margin: 12px 0 0;
  font-family: var(--yf-cond);
  font-weight: 200;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.2;
  color: var(--yf-ink);
}

.page-home .home-steps__list .yf-step__body p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--yf-muted);
}

.page-home .home-steps__foot {
  margin: clamp(20px, 3vh, 30px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--yf-muted);
}

.page-home .home-steps__foot a {
  color: var(--yf-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 05 更新与求助 ---------- */
.page-home .home-updates {
  padding-block: clamp(56px, 9vh, 104px) clamp(70px, 11vh, 130px);
}

.page-home .home-updates__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
}

.page-home .home-updates__list {
  margin: clamp(20px, 3vh, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 13px;
}

.page-home .home-updates__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--yf-muted);
}

.page-home .home-updates__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 10px;
  height: 2px;
  background: var(--yf-orange);
}

.page-home .home-updates__list strong {
  color: var(--yf-ink);
  font-weight: 600;
}

.page-home .home-updates__foot {
  margin: clamp(18px, 2.6vh, 26px) 0 0;
  max-width: 70ch;
  font-size: 14px;
  line-height: 1.82;
  color: var(--yf-muted);
}

.page-home .home-updates__help {
  padding: clamp(20px, 2.6vw, 30px);
  border: 2px solid var(--yf-line);
  background: linear-gradient(160deg, #12463A 0%, #0B1F19 62%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--yf-hard-shadow-lg);
}

.page-home .home-updates__help-title {
  margin: 0;
  font-family: var(--yf-cond);
  font-weight: 200;
  font-size: clamp(22px, 2.8vw, 28px);
  line-height: 1.2;
  color: var(--yf-ink);
}

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

.page-home .home-updates__help-list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .home-updates__help-list li {
  display: grid;
  gap: 3px;
  font-size: 13px;
  color: var(--yf-ink);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--yf-line);
  word-break: break-word;
}

.page-home .home-updates__help-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .home-updates__help-list span {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--yf-muted);
}

.page-home .home-updates__help-list a {
  color: var(--yf-cyan);
  text-decoration: none;
}

.page-home .home-updates__help-list a:hover,
.page-home .home-updates__help-list a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-home .home-updates__help .yf-btn {
  margin-top: 4px;
  align-self: flex-start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .yf-cover__index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

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

  .page-home .home-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 940px) {
  .page-home .home-compare__head {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(28px, 5vw, 68px);
  }

  .page-home .home-compare__read {
    grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
    align-items: center;
  }

  .page-home .home-calendar__grid {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: start;
  }

  .page-home .home-calendar__anchor {
    position: sticky;
    top: calc(var(--yf-header-h) + 24px);
  }

  .page-home .home-updates__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(30px, 5vw, 64px);
  }
}

@media (min-width: 1200px) {
  .page-home .yf-track__item {
    flex-basis: 320px;
  }

  .page-home .home-track__shot {
    flex-basis: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .yf-cover__index-item,
  .page-home .home-meter,
  .page-home .home-access__card,
  .page-home .home-meter .yf-data-bar__fill,
  .page-home .home-calendar__anchor .yf-anchor__link {
    transition: none;
  }

  .page-home .yf-cover__index-item:hover,
  .page-home .home-meter:hover,
  .page-home .home-access__card:hover {
    transform: none;
  }
}

.page-home {
  --fill: currentColor;
}