.page-home {
  --hp-line: 1px solid var(--rule);
  background: var(--ink);
  color: var(--bone);
  overflow-x: clip;
}

.page-home .home-k {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--lime);
}
.page-home .home-k::before {
  content: "";
  width: 16px;
  height: 1px;
  background: var(--lime);
}

.page-home .crumb {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--fog);
}
.page-home .crumb a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}
.page-home .crumb a:hover {
  color: var(--lime);
  border-color: var(--lime);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  border-bottom: var(--hp-line);
  padding-block: clamp(22px, 4vw, 52px) clamp(30px, 5vw, 64px);
}
.page-home .home-hero__inner {
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
}

.page-home .home-hero h1 {
  margin: 16px 0 0;
  font-size: clamp(34px, 7.2vw, 86px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 800;
  color: var(--bone);
}

.page-home .home-hero__lede {
  margin: 18px 0 0;
  max-width: 30em;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.78;
  color: var(--fog);
}

.page-home .home-install {
  margin-top: clamp(22px, 3vw, 34px);
  padding: clamp(18px, 2.6vw, 30px);
  display: grid;
  gap: 12px;
  border: 1px solid var(--lime);
  background: linear-gradient(155deg, var(--ink-3) 0%, var(--ink-2) 46%, var(--ink) 100%);
}
.page-home .home-install__title {
  margin: 0;
  font-size: clamp(19px, 2.1vw, 26px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--bone);
}
.page-home .home-install__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fog);
}
.page-home .home-install__act {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
}
.page-home .home-install__alt {
  font-size: 13px;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 51, 0.5);
  padding-bottom: 2px;
}
.page-home .home-install__alt:hover {
  color: var(--bone);
  border-color: var(--bone);
}
.page-home .home-install__note {
  margin: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--fog);
}

.page-home .home-board {
  position: relative;
  overflow: hidden;
  min-height: 440px;
  padding: clamp(20px, 3vw, 34px);
  display: grid;
  gap: 18px;
  align-content: start;
  background: var(--ink-2);
  border: var(--hp-line);
}
.page-home .home-board__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}
.page-home .home-board::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(165deg, rgba(8, 21, 15, 0.34) 0%, rgba(8, 21, 15, 0.84) 56%, #08150f 100%);
  pointer-events: none;
}
.page-home .home-board > *:not(.home-board__bg) {
  position: relative;
  z-index: 1;
}
.page-home .home-board__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.page-home .home-board__live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--fog);
}
.page-home .home-board__dot {
  width: 6px;
  height: 6px;
  background: var(--orange);
}

.page-home .home-board__row {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
}
.page-home .home-ring__wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
}
.page-home .home-ring {
  display: block;
  width: 100%;
  height: 100%;
}
.page-home .home-ring__track {
  stroke: var(--rule);
}
.page-home .home-ring__fill {
  stroke: var(--lime);
}
.page-home .home-ring__val {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1px;
  font-family: var(--mono);
  font-size: clamp(19px, 2.3vw, 26px);
  color: var(--bone);
  letter-spacing: -0.02em;
}
.page-home .home-ring__val small {
  font-size: 11px;
  color: var(--fog);
}
.page-home .home-board__legend-k {
  margin: 0;
  font-size: clamp(16px, 1.6vw, 20px);
  font-weight: 700;
  color: var(--bone);
}
.page-home .home-board__legend-t {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--fog);
}

.page-home .home-bars {
  display: grid;
  gap: 12px;
}
.page-home .home-bar__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--fog);
}
.page-home .home-bar__head .num {
  color: var(--bone);
  font-family: var(--mono);
}
.page-home .home-bar__track {
  margin-top: 6px;
  height: 6px;
  background: var(--ink-3);
  border: 1px solid var(--rule);
}
.page-home .home-bar__fill {
  display: block;
  height: 100%;
  background: var(--lime);
}

.page-home .home-board__foot {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}
.page-home .home-board__more {
  justify-self: start;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 247, 81, 0.5);
  padding-bottom: 3px;
}
.page-home .home-board__more:hover {
  color: var(--bone);
  border-color: var(--bone);
}

/* ---------- 通用分区 ---------- */
.page-home .home-sec {
  border-bottom: var(--hp-line);
  padding-block: clamp(42px, 6vw, 90px);
}

.page-home .home-head {
  display: grid;
  gap: 12px;
  max-width: 52em;
  padding-top: 16px;
  border-top: var(--hp-line);
  margin-bottom: clamp(22px, 4vw, 42px);
}
.page-home .home-head__idx {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime);
}
.page-home .home-head__title {
  margin: 0;
  font-size: clamp(25px, 3.5vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--bone);
}
.page-home .home-head__lede {
  margin: 0;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--fog);
}

.page-home .home-shot {
  margin: 0 0 clamp(22px, 3vw, 34px);
  border: var(--hp-line);
}
.page-home .home-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

/* ---------- 安装三步 ---------- */
.page-home .home-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--hp-line);
}
.page-home .home-step {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px 16px;
  padding-block: 20px;
  border-bottom: var(--hp-line);
}
.page-home .home-step__no {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--lime);
  padding-top: 2px;
}
.page-home .home-step__title {
  margin: 0;
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--bone);
}
.page-home .home-step__text {
  margin: 8px 0 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--fog);
}
.page-home .home-step__link {
  justify-self: start;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 3px;
}
.page-home .home-step__link:hover {
  color: var(--lime);
  border-color: var(--lime);
}

/* ---------- 赛事统计 ---------- */
.page-home .home-stats {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
}
.page-home .home-stats__aside {
  display: grid;
  gap: 14px;
  align-content: start;
  justify-items: start;
}
.page-home .home-stats__aside .home-head__title {
  margin: 0;
}
.page-home .home-stats__aside .home-head__lede {
  margin: 0;
}

.page-home .home-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: var(--hp-line);
  border-left: var(--hp-line);
}
.page-home .home-metric {
  display: grid;
  gap: 8px;
  padding: 15px 13px;
  background: var(--ink-2);
  border-right: var(--hp-line);
  border-bottom: var(--hp-line);
}
.page-home .home-metric__k {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--fog);
}
.page-home .home-metric__v {
  font-family: var(--mono);
  font-size: clamp(18px, 2.2vw, 26px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-home .home-facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-home .home-facts li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--fog);
}
.page-home .home-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--lime);
}

/* ---------- 升级对照 ---------- */
.page-home .home-paper {
  background: var(--paper);
  color: var(--paper-ink);
}
.page-home .home-paper .home-head {
  border-top-color: rgba(18, 36, 28, 0.22);
}
.page-home .home-paper .home-head__idx {
  color: var(--lime-2);
}
.page-home .home-paper .home-head__title {
  color: var(--paper-ink);
}
.page-home .home-paper .home-head__lede {
  color: rgba(18, 36, 28, 0.74);
}
.page-home .home-paper .home-shot {
  border-color: rgba(18, 36, 28, 0.24);
}
.page-home .home-shot--paper img {
  filter: saturate(0.85);
}

.page-home .home-compare-wrap {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}
.page-home .home-compare {
  display: grid;
  gap: 14px;
}
.page-home .home-compare__col {
  padding: 18px 16px;
  border: 1px solid rgba(18, 36, 28, 0.24);
  background: rgba(255, 255, 255, 0.4);
}
.page-home .home-compare__col--new {
  border-color: var(--paper-ink);
  background: rgba(200, 247, 81, 0.22);
}
.page-home .home-compare__k {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(18, 36, 28, 0.72);
}
.page-home .home-compare__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-home .home-compare__item {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--paper-ink);
}
.page-home .home-compare__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 8px;
  height: 8px;
  background: rgba(18, 36, 28, 0.28);
}
.page-home .home-compare__col--new .home-compare__item::before {
  background: var(--orange);
}
.page-home .home-compare__item b {
  font-family: var(--mono);
  font-weight: 600;
}

.page-home .home-links {
  margin-top: clamp(20px, 3vw, 30px);
  display: flex;
  flex-wrap: wrap;
  gap: 16px 26px;
}
.page-home .home-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--paper-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 36, 28, 0.4);
  padding-bottom: 3px;
}
.page-home .home-link:hover {
  border-color: var(--orange);
}

/* ---------- 反馈入口 ---------- */
.page-home .home-feedback {
  display: grid;
  gap: 14px;
}
.page-home .home-feedback__card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 20px 18px;
  background: var(--ink-2);
  border: var(--hp-line);
  color: inherit;
  text-decoration: none;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease);
}
.page-home .home-feedback__card:hover,
.page-home .home-feedback__card:focus-visible {
  transform: translateY(-2px);
  background: var(--ink-3);
}
.page-home .home-feedback:hover .home-feedback__card {
  border-color: var(--lime);
}
.page-home .home-feedback__glyph {
  width: 34px;
  height: 34px;
  color: var(--lime);
}
.page-home .home-feedback__k {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
}
.page-home .home-feedback__t {
  margin: 0;
  font-size: 16px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--bone);
}
.page-home .home-feedback__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--fog);
}
.page-home .home-feedback__go {
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-home .home-idbar {
  margin-top: 18px;
  padding: 14px 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
  border: var(--hp-line);
  background: var(--ink-2);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--fog);
}
.page-home .home-idbar b {
  font-family: var(--mono);
  font-size: 18px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

/* ---------- 联系横条 ---------- */
.page-home .home-contact {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--lime);
  background: var(--ink);
}
.page-home .home-contact__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}
.page-home .home-contact::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(8, 21, 15, 0.95) 0%, rgba(8, 21, 15, 0.72) 58%, rgba(8, 21, 15, 0.92) 100%);
  pointer-events: none;
}
.page-home .home-contact__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(40px, 6vw, 78px);
  display: grid;
  gap: clamp(24px, 3vw, 40px);
}
.page-home .home-contact__lead h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--bone);
}
.page-home .home-contact__lead p {
  margin: 12px 0 0;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-home .home-contact__list {
  margin: 0;
  border-top: var(--hp-line);
}
.page-home .home-contact__item {
  display: grid;
  gap: 6px;
  padding-block: 14px;
  border-bottom: var(--hp-line);
}
.page-home .home-contact__item dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--fog);
}
.page-home .home-contact__item dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--bone);
  overflow-wrap: anywhere;
}

.page-home .home-contact__foot {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  padding-top: 16px;
  border-top: var(--hp-line);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--fog);
}
.page-home .home-contact__foot a {
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}
.page-home .home-contact__foot a:hover {
  color: var(--lime);
  border-color: var(--lime);
}
.page-home .home-contact__sep {
  color: var(--rule);
}

/* ---------- 断点 ---------- */
@media (max-width: 420px) {
  .page-home .home-board__row {
    grid-template-columns: 102px minmax(0, 1fr);
    gap: 14px;
  }
}

@media (min-width: 560px) {
  .page-home .home-contact__item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 640px) {
  .page-home .home-compare {
    grid-template-columns: 1fr 1fr;
    gap: 0 16px;
  }
}

@media (min-width: 760px) {
  .page-home .home-step {
    grid-template-columns: 56px minmax(0, 1fr) 170px;
    gap: 16px 24px;
    align-items: start;
  }
  .page-home .home-step__link {
    justify-self: end;
  }
  .page-home .home-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .home-feedback {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .home-stats {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }
  .page-home .home-compare-wrap {
    grid-template-columns: 40fr 60fr;
    align-items: start;
  }
  .page-home .home-contact__inner {
    grid-template-columns: 40fr 60fr;
  }
}

@media (min-width: 960px) {
  .page-home .home-hero__inner {
    grid-template-columns: 38fr 62fr;
    gap: 0;
  }
  .page-home .home-hero__lead {
    padding-right: clamp(22px, 3vw, 46px);
    border-right: var(--hp-line);
  }
  .page-home .home-board {
    border-left: 0;
    min-height: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-feedback__card {
    transition: none;
  }
  .page-home .home-feedback__card:hover,
  .page-home .home-feedback__card:focus-visible {
    transform: none;
  }
}