.page-home {
  --home-slant: clamp(56px, 9vw, 132px);
  --home-gap: clamp(40px, 7vw, 72px);
  background: var(--canvas);
  color: var(--graphite);
}

.page-home .section {
  padding: clamp(48px, 8vw, 88px) 0;
}

.page-home .section--tight {
  padding: clamp(44px, 7vw, 76px) 0;
}

.page-home .section--flush {
  padding: 0;
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  background: var(--ink);
  color: var(--canvas);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-slant)), 0 100%);
}

.page-home .hero__inner {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  padding-top: clamp(32px, 5vw, 64px);
  padding-bottom: calc(var(--home-slant) + clamp(40px, 6vw, 72px));
}

.page-home .hero__copy {
  min-width: 0;
}

.page-home .hero .crumb__link,
.page-home .hero .crumb__list {
  color: var(--on-dark);
}

.page-home .hero .crumb__list span[aria-current="page"] {
  color: var(--on-dark-dim);
}

.page-home .hero__eyebrow {
  margin-top: 22px;
  color: var(--flash);
}

.page-home .hero__title {
  margin: 14px 0 0;
  font-size: var(--fs-display);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--canvas);
}

.page-home .hero__title::after {
  content: "";
  display: block;
  width: 76px;
  height: 6px;
  margin-top: 22px;
  background: var(--flash);
  transform: skewX(-14deg);
}

.page-home .hero__lead {
  max-width: 33em;
  margin: 22px 0 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--on-dark);
}

.page-home .hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-home .hero .btn--ghost {
  color: var(--canvas);
  border-color: var(--line-dark);
}

.page-home .hero .btn--ghost:hover {
  border-color: var(--flash);
  color: var(--flash);
}

.page-home .hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
  margin: 38px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
}

.page-home .hero__stat {
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
  min-width: 0;
}

.page-home .hero__stat dt {
  font-size: var(--fs-micro);
  letter-spacing: 0.04em;
  color: var(--on-dark-dim);
}

.page-home .hero__stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 26px);
  letter-spacing: 0.02em;
  color: var(--flash);
}

.page-home .hero__media {
  margin: 0;
  min-width: 0;
}

.page-home .hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%);
}

/* ---------- 今日赛道 ---------- */

.page-home .today .section-head {
  margin-bottom: clamp(24px, 4vw, 34px);
}

.page-home .beltzone {
  background: var(--canvas-2);
  padding: clamp(22px, 4vw, 36px) 0 clamp(20px, 4vw, 32px);
  margin-bottom: clamp(34px, 5vw, 52px);
}

.page-home .racebelt {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 4px 0 16px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

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

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

.page-home .racebelt__item {
  flex: 0 0 clamp(212px, 74vw, 264px);
  scroll-snap-align: start;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 18px 18px 20px;
  background: var(--canvas);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-1);
  transition: border-color var(--ease), transform var(--ease);
}

.page-home .racebelt__item:hover {
  border-color: var(--flash);
  transform: translateY(-2px);
}

.page-home .racebelt__time {
  font-family: var(--font-mono);
  font-size: 21px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-home .racebelt__name {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--graphite);
}

.page-home .racebelt__day {
  font-size: var(--fs-micro);
  letter-spacing: 0.08em;
  color: var(--line);
}

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

.page-home .beltdetail {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-home .beltdetail__media {
  margin: 0;
}

.page-home .beltdetail__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-soft);
}

.page-home .beltdetail__text h3 {
  margin: 0 0 12px;
  font-size: clamp(17px, 2.2vw, 21px);
  color: var(--ink);
}

.page-home .beltdetail__text p {
  margin: 0;
  max-width: 34em;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 左工具条 + 右赛事流 ---------- */

.page-home .stream {
  display: grid;
  gap: clamp(36px, 6vw, 64px);
  padding: clamp(40px, 7vw, 76px) 0;
}

.page-home .toolrail {
  align-self: start;
  min-width: 0;
}

.page-home .toolrail__title {
  margin: 0 0 14px;
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--line);
}

.page-home .toolrail__nav {
  display: grid;
  border-top: 1px solid var(--line-soft);
}

.page-home .toolrail__nav a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 2px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  transition: padding-left var(--ease), border-color var(--ease);
}

.page-home .toolrail__nav a:hover {
  padding-left: 8px;
  border-bottom-color: var(--flash);
}

.page-home .toolrail__v {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink-2);
}

.page-home .toolrail__note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 0;
  font-size: var(--fs-micro);
  letter-spacing: 0.04em;
  color: var(--ink-2);
}

.page-home .toolrail__note::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--flash);
  flex: none;
}

.page-home .stream__flow {
  display: grid;
  gap: clamp(56px, 9vw, 96px);
  min-width: 0;
}

/* ---------- 三件事 ---------- */

.page-home .tri {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 38px);
}

.page-home .tri__a,
.page-home .tri__b,
.page-home .tri__c {
  padding: clamp(22px, 3vw, 32px);
  min-width: 0;
}

.page-home .tri__eyebrow {
  color: var(--line);
}

.page-home .tri__a .tri__eyebrow {
  color: var(--flash);
}

.page-home .tri h3 {
  margin: 10px 0 12px;
  font-size: clamp(18px, 2.3vw, 22px);
  line-height: 1.35;
}

.page-home .tri__a h3 {
  color: var(--canvas);
}

.page-home .tri__b h3,
.page-home .tri__c h3 {
  color: var(--ink);
}

.page-home .tri p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.8;
}

.page-home .tri__a p {
  color: var(--on-dark);
}

.page-home .tri__b p,
.page-home .tri__c p {
  color: var(--ink-2);
}

.page-home .tri__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-home .tri__list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: var(--fs-small);
  color: var(--ink);
}

.page-home .tri__list .num {
  font-family: var(--font-mono);
  color: var(--line);
}

.page-home .tri__b,
.page-home .tri__c {
  border: 1px solid var(--line-soft);
}

.page-home .tri__link {
  display: inline-block;
  margin-top: 20px;
  padding-bottom: 3px;
  font-size: var(--fs-small);
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  transition: border-color var(--ease), color var(--ease);
}

.page-home .tri__link:hover {
  border-color: var(--flash);
}

.page-home .tri__a .tri__link {
  color: var(--flash);
  border-color: var(--line-dark);
}

.page-home .tri__a .tri__link:hover {
  border-color: var(--flash);
}

/* ---------- 多设备 ---------- */

.page-home .device {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-home .device__media {
  margin: 0;
  min-width: 0;
}

.page-home .device__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .device__body h2 {
  margin: 10px 0 16px;
  font-size: var(--fs-h2);
  line-height: 1.25;
  color: var(--ink);
}

.page-home .device__body p {
  margin: 0;
  max-width: 34em;
  font-size: var(--fs-small);
  line-height: 1.85;
  color: var(--ink-2);
}

.page-home .device__switch {
  display: flex;
  gap: 8px;
  margin: 22px 0;
}

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

.page-home .device__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .device__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 11px;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--ink-2);
}

.page-home .device__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 2px;
  background: var(--ink);
}

/* ---------- 每周三 ---------- */

.page-home .cycle__steps {
  display: grid;
  gap: 14px;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .cycle__steps li {
  padding-top: 16px;
  border-top: 2px solid var(--flash);
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--ink-2);
}

.page-home .cycle__steps b {
  display: block;
  margin-bottom: 8px;
  font-size: 16px;
  color: var(--ink);
}

.page-home .cycle__foot {
  margin: 28px 0 0;
  max-width: 42em;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--ink-2);
}

.page-home .cycle__foot a,
.page-home .start__foot a {
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--ease);
}

.page-home .cycle__foot a:hover,
.page-home .start__foot a:hover {
  border-color: var(--flash);
}

/* ---------- 三步上手 ---------- */

.page-home .steps {
  counter-reset: step;
  display: grid;
  gap: 14px;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .steps li {
  counter-increment: step;
  position: relative;
  padding: 20px 20px 20px 62px;
  background: var(--canvas-2);
  border: 1px solid var(--line-soft);
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--ink-2);
}

.page-home .steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 21px;
  color: var(--ink);
}

.page-home .steps li b {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  color: var(--ink);
}

.page-home .filters {
  margin-top: 30px;
}

.page-home .filters__label {
  margin: 0 0 10px;
  font-size: var(--fs-micro);
  letter-spacing: 0.16em;
  color: var(--line);
}

.page-home .filters__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-home .start__foot {
  margin: 6px 0 0;
  max-width: 42em;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 收藏工具条 ---------- */

.page-home .pin__lead {
  margin: clamp(22px, 3vw, 30px) 0 0;
  max-width: 42em;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--ink-2);
}

.page-home .pincards {
  display: grid;
  gap: 12px;
  margin: clamp(26px, 4vw, 36px) 0;
}

.page-home .pincards article {
  padding: 22px 20px;
  background: var(--canvas);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--flash);
}

.page-home .pincards b {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 26px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-home .pincards span {
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--ink-2);
}

/* ---------- 收尾 ---------- */

.page-home .outro {
  margin-top: clamp(56px, 9vw, 100px);
  background: var(--canvas);
}

.page-home .outro__media {
  margin: 0;
}

.page-home .outro__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

.page-home .outro__inner {
  padding-top: clamp(36px, 6vw, 64px);
  padding-bottom: clamp(52px, 8vw, 84px);
}

.page-home .outro__inner h2 {
  margin: 10px 0 18px;
  font-size: var(--fs-h2);
  line-height: 1.25;
  color: var(--ink);
}

.page-home .outro__inner p {
  margin: 0;
  max-width: 44em;
  font-size: var(--fs-small);
  line-height: 1.85;
  color: var(--ink-2);
}

.page-home .outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-top: 28px;
}

.page-home .outro__links a {
  font-size: var(--fs-small);
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--ease);
}

.page-home .outro__links a:hover {
  border-color: var(--flash);
}

/* ---------- 断点 ---------- */

@media (min-width: 600px) {
  .page-home .hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .beltdetail {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 40px;
  }
}

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

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

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

@media (min-width: 860px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
    gap: clamp(36px, 4vw, 60px);
  }

  .page-home .tri {
    grid-template-columns: 1.45fr 1fr 1fr;
  }

  .page-home .device {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  }

  .page-home .device__media {
    clip-path: polygon(0 0, 100% 5%, 100% 100%, 0 95%);
  }
}

@media (min-width: 960px) {
  .page-home .stream {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }

  .page-home .toolrail {
    position: sticky;
    top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .racebelt__item,
  .page-home .toolrail__nav a,
  .page-home .tri__link,
  .page-home .outro__links a {
    transition: none;
  }

  .page-home .racebelt__item:hover {
    transform: none;
  }
}