.page-home {
  --home-gap: clamp(72px, 10vw, 132px);
  --home-radius: 4px;
  color: var(--bone);
  background: var(--ink-900);
  overflow-x: hidden;
}

.page-home a {
  color: inherit;
}

/* ---------- 首屏封面 ---------- */
.page-home .cover {
  position: relative;
  padding: clamp(26px, 5vw, 60px) 0 clamp(46px, 7vw, 92px);
  background:
    radial-gradient(110% 80% at 6% 0%, rgba(59, 242, 208, 0.12), transparent 62%),
    radial-gradient(90% 70% at 100% 100%, rgba(36, 28, 59, 0.9), transparent 65%),
    linear-gradient(180deg, var(--ink-800), var(--ink-900) 78%);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .cover::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 6px;
  background: linear-gradient(90deg, var(--neon) 0 18%, var(--wine) 18% 46%, var(--amber) 46% 62%, var(--indigo) 62% 100%);
  opacity: 0.85;
}

.page-home .cover__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-home .cover__ctx {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-home .cover__title {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 8.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--bone);
  text-wrap: balance;
}

.page-home .cover__title em {
  font-style: normal;
  color: var(--neon);
  position: relative;
}

.page-home .cover__title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 3px;
  background: var(--neon);
  opacity: 0.45;
}

.page-home .cover__lede {
  max-width: 36em;
  margin: 0 0 clamp(24px, 4vw, 36px);
  color: rgba(242, 240, 230, 0.82);
}

.page-home .cover__shot {
  position: relative;
  margin: 0 0 clamp(24px, 4vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  background: linear-gradient(150deg, var(--board-2), var(--ink-800));
  overflow: hidden;
}

.page-home .cover__shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(59, 242, 208, 0.14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(59, 242, 208, 0.1) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  opacity: 0.55;
}

.page-home .cover__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

/* 栏目索引 */
.page-home .cover-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--home-radius);
  overflow: hidden;
}

.page-home .cover-index__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: var(--board);
  text-decoration: none;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-home .cover-index__item:hover,
.page-home .cover-index__item:focus-visible {
  background: var(--board-2);
}

.page-home .cover-index__num {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.page-home .cover-index__label {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-home .cover-index__meta {
  font-size: 12px;
  color: var(--mist);
}

/* 右侧状态列 */
.page-home .cover__rail {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-home .rail-card {
  flex: 0 0 74%;
  min-width: 0;
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--neon);
  border-radius: var(--home-radius);
  background: var(--glass);
  backdrop-filter: blur(8px);
}

.page-home .rail-card--link {
  border-left-color: var(--amber);
}

.page-home .rail-card__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-home .rail-card__value {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-home .rail-card__pair {
  margin: 0 0 8px;
  font-size: 19px;
  color: var(--neon);
  letter-spacing: 0.04em;
}

.page-home .rail-card__meta {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-home .rail-card__go {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 162, 58, 0.4);
}

/* ---------- 通用章节 ---------- */
.page-home .sec {
  position: relative;
  padding: var(--home-gap) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .sec__head {
  position: relative;
  margin-bottom: clamp(30px, 5vw, 54px);
  padding-left: clamp(0px, 2vw, 18px);
}

.page-home .sec__watermark {
  position: absolute;
  top: -0.42em;
  left: -0.06em;
  font-family: var(--font-display);
  font-size: clamp(78px, 16vw, 168px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.06em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(143, 166, 160, 0.24);
  pointer-events: none;
  z-index: 0;
}

.page-home .sec__head .eyebrow {
  position: relative;
  z-index: 1;
}

.page-home .sec__title {
  position: relative;
  z-index: 1;
  margin: 10px 0 14px;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 5vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.03em;
  color: var(--bone);
}

.page-home .sec__lede {
  position: relative;
  z-index: 1;
  max-width: 38em;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(242, 240, 230, 0.76);
}

/* ---------- 数据栏目 ---------- */
.page-home .data-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-home .data-card {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--line-soft);
  border-top: 2px solid rgba(59, 242, 208, 0.5);
  border-radius: var(--home-radius);
  background: var(--board);
}

.page-home .data-card--feature {
  border-top-color: var(--neon);
  background: linear-gradient(170deg, var(--board-2), var(--board));
}

.page-home .data-card--quiet {
  border-top-color: rgba(255, 162, 58, 0.55);
  background: rgba(255, 162, 58, 0.05);
}

.page-home .data-card__num {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--neon);
}

.page-home .data-card--quiet .data-card__num {
  color: var(--amber);
}

.page-home .data-card__shot {
  margin: 0 0 16px;
  border-radius: var(--home-radius);
  overflow: hidden;
  background: var(--ink-800);
}

.page-home .data-card__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.9;
}

.page-home .data-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--bone);
}

.page-home .data-card__text {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 240, 230, 0.74);
}

.page-home .data-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-home .data-card__list li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-home .data-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 1px;
  background: var(--neon);
}

.page-home .data-card__link {
  display: inline-block;
  margin-top: 4px;
  font-size: 13.5px;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 162, 58, 0.42);
  padding-bottom: 2px;
}

/* ---------- 版本对照 ---------- */
.page-home .sec--wine {
  background:
    linear-gradient(180deg, rgba(122, 34, 51, 0.34), rgba(122, 34, 51, 0.08) 62%, transparent),
    var(--ink-900);
  border-top: 6px solid var(--wine);
}

.page-home .tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-bottom: clamp(24px, 4vw, 40px);
  padding-bottom: 4px;
}

.page-home .tabs__item {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(18, 20, 23, 0.66);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  color: var(--bone);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-home .tabs__item:hover,
.page-home .tabs__item:focus-visible {
  border-color: var(--neon);
  color: var(--neon);
}

.page-home .tabs__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-home .diff__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-home .diff__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  overflow: hidden;
  background: var(--ink-800);
}

.page-home .diff__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .folds {
  display: grid;
  gap: 10px;
}

.page-home .fold {
  border: 1px solid var(--line-soft);
  border-left: 2px solid rgba(59, 242, 208, 0.55);
  border-radius: var(--home-radius);
  background: var(--board);
}

.page-home .fold__summary {
  padding: 15px 16px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--bone);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-home .fold__summary::-webkit-details-marker {
  display: none;
}

.page-home .fold__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--neon);
  flex: 0 0 auto;
}

.page-home .fold[open] .fold__summary::after {
  content: "−";
}

.page-home .fold__body {
  padding: 0 16px 18px;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(242, 240, 230, 0.74);
}

.page-home .fold__body p {
  margin: 0;
}

/* ---------- 轮次同步 ---------- */
.page-home .sync__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin-bottom: clamp(22px, 4vw, 34px);
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--home-radius);
  overflow: hidden;
}

.page-home .sync__stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--board);
}

.page-home .sync__stat-num {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--neon);
}

.page-home .sync__stat-label {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-home .sync-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-home .sync-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px 14px;
  padding: 15px 4px;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .sync-row__no {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-home .sync-row__title {
  font-size: 14.5px;
  color: var(--bone);
}

.page-home .sync-row__link,
.page-home .sync-row__wait {
  justify-self: end;
  font-size: 12.5px;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 242, 208, 0.35);
  padding-bottom: 1px;
}

.page-home .sync-row__wait {
  color: var(--amber);
  border-bottom-color: rgba(255, 162, 58, 0.35);
}

/* ---------- 设备自助通道 ---------- */
.page-home .sec--help {
  background:
    radial-gradient(80% 60% at 90% 0%, rgba(59, 242, 208, 0.09), transparent 60%),
    var(--ink-800);
}

.page-home .help__card {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  background: var(--glass);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.page-home .help__media {
  margin: 0;
  background: var(--ink-900);
}

.page-home .help__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  opacity: 0.86;
}

.page-home .help__body {
  padding: clamp(20px, 3.4vw, 34px);
}

.page-home .help__steps {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-home .help__step {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(242, 240, 230, 0.82);
}

.page-home .help__step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--neon);
  border-radius: 50%;
  font-size: 12px;
  color: var(--neon);
}

.page-home .help__note {
  margin: 0 0 20px;
  padding: 12px 14px;
  border-left: 2px solid var(--amber);
  background: var(--amber-dim);
  font-size: 13px;
  line-height: 1.75;
  color: rgba(242, 240, 230, 0.8);
}

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

/* ---------- 信任与收尾 ---------- */
.page-home .trust {
  position: relative;
  padding: var(--home-gap) 0 clamp(48px, 8vw, 88px);
  background: linear-gradient(180deg, var(--ink-900), var(--indigo));
}

.page-home .trust__title {
  margin: 0 0 clamp(24px, 4vw, 40px);
  max-width: 22em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 4.4vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.page-home .trust__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-bottom: clamp(34px, 6vw, 62px);
}

.page-home .trust__item {
  padding: 18px 16px;
  border: 1px solid rgba(143, 166, 160, 0.18);
  border-radius: var(--home-radius);
  background: rgba(11, 31, 26, 0.5);
}

.page-home .trust__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--neon);
}

.page-home .trust__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(242, 240, 230, 0.72);
}

.page-home .closing__inner {
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid rgba(59, 242, 208, 0.28);
  border-radius: var(--home-radius);
  background:
    linear-gradient(135deg, rgba(59, 242, 208, 0.1), transparent 55%),
    var(--board);
}

.page-home .closing__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.8vw, 30px);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.page-home .closing__text {
  margin: 0 0 22px;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(242, 240, 230, 0.76);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 768px) {
  .page-home .cover-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .data-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-home .data-card--offset {
    margin-top: 32px;
  }

  .page-home .sync-row {
    grid-template-columns: 64px minmax(0, 1fr) auto auto;
  }

  .page-home .help__card {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    align-items: stretch;
  }

  .page-home .help__media img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 260px;
  }

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

@media (min-width: 1024px) {
  .page-home .cover__grid {
    grid-template-columns: minmax(0, 7fr) minmax(250px, 3.6fr);
    align-items: start;
    gap: clamp(30px, 4vw, 56px);
  }

  .page-home .cover__rail {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    overflow-x: visible;
    padding-top: 58px;
  }

  .page-home .rail-card {
    flex: none;
  }

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

  .page-home .data-card--feature {
    grid-column: span 2;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "num num"
      "shot title"
      "shot text"
      "shot list";
    column-gap: 24px;
    align-content: start;
  }

  .page-home .data-card--feature .data-card__num { grid-area: num; }
  .page-home .data-card--feature .data-card__shot { grid-area: shot; margin-bottom: 0; align-self: start; }
  .page-home .data-card--feature .data-card__title { grid-area: title; }
  .page-home .data-card--feature .data-card__text { grid-area: text; }
  .page-home .data-card--feature .data-card__list { grid-area: list; align-self: start; }

  .page-home .data-card--quiet {
    grid-column: span 3;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px 22px;
    padding: 20px 24px;
  }

  .page-home .data-card--quiet .data-card__num { margin-bottom: 0; }
  .page-home .data-card--quiet .data-card__title { margin-bottom: 6px; }
  .page-home .data-card--quiet .data-card__text { margin-bottom: 0; }
  .page-home .data-card--quiet .data-card__link { margin-top: 0; white-space: nowrap; }

  .page-home .diff__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .cover-index__item,
  .page-home .tabs__item {
    transition: none;
  }
}