.page-home {
  --home-rule: rgba(6, 24, 38, 0.12);
  --home-pad-y: clamp(48px, 8vw, 100px);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 6vw, 72px) 0 clamp(34px, 6vw, 80px);
  background:
    radial-gradient(110% 85% at 88% 2%, rgba(14, 116, 144, 0.55), transparent 62%),
    radial-gradient(75% 70% at 0% 100%, rgba(43, 240, 196, 0.14), transparent 72%),
    var(--ink);
  color: var(--paper);
}

.page-home .home-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-home .hero-rail {
  min-width: 0;
}

.page-home .hero-rail .eyebrow {
  color: var(--mist);
  letter-spacing: 0.08em;
}

.page-home .hero-rail h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-home .hero-lead {
  margin: 18px 0 0;
  max-width: 32em;
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(244, 239, 228, 0.82);
}

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

.page-home .hero-actions .btn {
  min-height: 46px;
}

.page-home .hero-actions .btn-outline {
  color: var(--mist);
  border-color: var(--line-strong);
}

.page-home .hero-actions .btn-outline:hover,
.page-home .hero-actions .btn-outline:focus-visible {
  color: var(--paper);
  border-color: var(--neon);
}

.page-home .hero-path {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .hero-path li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .hero-path-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--neon);
}

.page-home .hero-path-text {
  font-size: 15px;
  color: rgba(244, 239, 228, 0.9);
}

.page-home .hero-collage {
  position: relative;
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-home .hero-shot {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--ink-3);
}

.page-home .hero-shot img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

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

.page-home .hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: rgba(6, 24, 38, 0.74);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.01em;
}

.page-home .hero-chip--mono .data-num {
  color: var(--neon);
  font-size: 12.5px;
}

.page-home .chip-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(43, 240, 196, 0.16);
  animation: home-pulse 4.6s ease-in-out infinite;
}

.page-home .hero-wave {
  position: absolute;
  right: -8%;
  bottom: 4%;
  width: min(560px, 62%);
  color: var(--neon);
  opacity: 0.2;
  pointer-events: none;
}

@keyframes home-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* ---------- 索引条 ---------- */
.page-home .home-jump {
  background: var(--ink-2);
  border-bottom: 1px solid var(--line);
}

.page-home .home-jump-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .home-jump-inner::-webkit-scrollbar {
  display: none;
}

.page-home .jump-label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-home .home-jump ul {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-jump a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--mist);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease;
}

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

/* ---------- 通用章节头 ---------- */
.page-home .home-head {
  max-width: 760px;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-home .section-title {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 3.4vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-home .section-lead {
  margin: 0;
  max-width: 46em;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--rock);
}

.page-home #steps,
.page-home #weekly,
.page-home #sports,
.page-home #devices,
.page-home #partner {
  scroll-margin-top: calc(var(--header-h) + 64px);
}

/* ---------- 两步路径 ---------- */
.page-home .home-steps {
  padding: var(--home-pad-y) 0;
  background: var(--paper);
  color: var(--ink);
}

.page-home .step-grid {
  display: grid;
  gap: 18px;
}

.page-home .step-card {
  position: relative;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--home-rule);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-1);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.page-home .step-card:hover {
  border-color: var(--line-dark-strong);
  box-shadow: var(--shadow-2);
}

.page-home .step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(38px, 5.5vw, 58px);
  line-height: 1;
  color: var(--clay);
  letter-spacing: -0.02em;
}

.page-home .step-card h3 {
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2vw, 23px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-home .step-card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--rock);
}

.page-home .step-result {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-home .step-result li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink);
}

.page-home .step-result li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 2px;
  background: var(--teal);
}

.page-home .step-card--accent {
  border-color: var(--line-strong);
  background:
    linear-gradient(160deg, rgba(14, 116, 144, 0.42), rgba(6, 24, 38, 0.96)),
    var(--ink);
  color: var(--paper);
}

.page-home .step-card--accent .step-num {
  color: var(--neon);
}

.page-home .step-card--accent p {
  color: rgba(244, 239, 228, 0.8);
}

.page-home .step-card--accent .step-result li {
  color: rgba(244, 239, 228, 0.92);
}

.page-home .step-card--accent .step-result li::before {
  background: var(--coral);
}

.page-home .steps-visual {
  margin: clamp(26px, 4vw, 52px) 0 0;
}

.page-home .steps-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--home-rule);
}

.page-home .steps-visual figcaption,
.page-home .weekly-strip figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--rock);
}

/* ---------- 周三更新 ---------- */
.page-home .home-weekly {
  position: relative;
  padding: var(--home-pad-y) 0;
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(14, 116, 144, 0.5), transparent 60%),
    var(--ink-2);
  color: var(--paper);
}

.page-home .weekly-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-home .home-weekly .eyebrow {
  color: var(--neon);
}

.page-home .home-weekly .section-title {
  color: var(--paper);
}

.page-home .home-weekly .section-lead {
  color: rgba(244, 239, 228, 0.78);
}

.page-home .weekly-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 26px;
  padding: 0;
  list-style: none;
}

.page-home .weekly-list li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 239, 228, 0.82);
}

.page-home .weekly-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--coral);
  transform: rotate(45deg);
}

.page-home .weekly-list strong {
  color: var(--paper);
  font-weight: 700;
}

.page-home .weekly-card {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(6, 24, 38, 0.7);
}

.page-home .weekly-card .card-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-home .weekly-card dl {
  margin: 0;
}

.page-home .weekly-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.page-home .weekly-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .weekly-row dt {
  flex: none;
  color: var(--mist);
}

.page-home .weekly-row dd {
  margin: 0;
  text-align: right;
  color: rgba(244, 239, 228, 0.9);
  line-height: 1.5;
}

.page-home .weekly-row dd.data-num {
  color: var(--neon);
  font-size: 15px;
}

.page-home .weekly-strip {
  margin: clamp(28px, 4vw, 52px) 0 0;
}

.page-home .weekly-strip img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
}

.page-home .weekly-strip figcaption {
  color: rgba(244, 239, 228, 0.6);
}

/* ---------- 按项目扫读 ---------- */
.page-home .home-sports {
  padding: var(--home-pad-y) 0;
  background: linear-gradient(180deg, var(--paper) 0%, var(--haze) 100%);
  color: var(--ink);
}

.page-home .tab-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-dark);
  scrollbar-width: none;
}

.page-home .tab-list::-webkit-scrollbar {
  display: none;
}

.page-home .tab {
  flex: none;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line-dark-strong);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.5);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.page-home .tab:hover {
  border-color: var(--teal);
}

.page-home .tab[aria-selected="true"] {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

.page-home .tab:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-home .tab-panel {
  padding-top: 22px;
}

.page-home .tab-panel:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 4px;
}

.page-home .sport-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: 20px;
  border: 1px solid var(--home-rule);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  transition: box-shadow 200ms ease, border-color 200ms ease;
}

.page-home .sport-card:nth-child(2n) {
  border-left-color: var(--moss);
}

.page-home .sport-card:nth-child(3n) {
  border-left-color: var(--clay);
}

.page-home .sport-card:hover {
  box-shadow: var(--shadow-2);
  border-color: var(--line-dark-strong);
}

.page-home .sport-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: -0.01em;
}

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

.page-home .sport-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: auto 0 0;
}

/* ---------- 设备与场景 ---------- */
.page-home .home-devices {
  padding: var(--home-pad-y) 0;
  background: var(--ink);
  color: var(--paper);
}

.page-home .devices-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-home .device-shot {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
}

.page-home .device-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
}

.page-home .home-devices .eyebrow {
  color: var(--mist);
}

.page-home .home-devices .section-title {
  color: var(--paper);
}

.page-home .home-devices .section-lead {
  color: rgba(244, 239, 228, 0.8);
}

.page-home .device-points {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .device-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(244, 239, 228, 0.82);
}

.page-home .device-badge {
  flex: none;
  min-width: 58px;
  padding: 3px 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
  color: var(--neon);
}

.page-home .scene-pair {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-home .scene-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 49, 74, 0.5);
}

.page-home .scene-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--coral);
  letter-spacing: 0.01em;
}

.page-home .scene-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 239, 228, 0.8);
}

/* ---------- 合作 ---------- */
.page-home .home-partner {
  padding: var(--home-pad-y) 0;
  background: var(--paper);
  color: var(--ink);
}

.page-home .partner-stats {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-home .partner-stat {
  padding: 20px;
  border: 1px solid var(--home-rule);
  border-top: 3px solid var(--clay);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.66);
}

.page-home .partner-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(34px, 4vw, 46px);
  line-height: 1;
  color: var(--clay-ink);
  letter-spacing: -0.02em;
}

.page-home .partner-label {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--rock);
}

.page-home .quality-block {
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--home-rule);
  border-radius: var(--radius);
  background: var(--haze);
}

.page-home .quality-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  letter-spacing: -0.01em;
}

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

.page-home .quality-flow li {
  display: grid;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--line-dark);
}

.page-home .quality-step {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--teal);
}

.page-home .quality-flow strong {
  font-size: 15.5px;
  letter-spacing: 0.01em;
}

.page-home .quality-flow span:last-child {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--rock);
}

.page-home .partner-cta {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line-dark);
}

.page-home .cta-copy p {
  margin: 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--rock);
}

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

.page-home .cta-actions .btn {
  min-height: 46px;
}

.page-home .cta-actions .btn-outline {
  color: var(--ink);
  border-color: var(--line-dark-strong);
}

.page-home .cta-actions .btn-outline:hover,
.page-home .cta-actions .btn-outline:focus-visible {
  border-color: var(--teal);
  color: var(--teal-dark);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .scene-pair {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .partner-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .quality-flow {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 24px;
  }
}

@media (min-width: 820px) {
  .page-home .step-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
  }

  .page-home .step-card:nth-child(2) {
    margin-top: 40px;
  }

  .page-home .sport-cards,
  .page-home .tab-panel {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-home .sport-card:nth-child(even) {
    margin-top: 24px;
  }

  .page-home .home-jump {
    position: sticky;
    top: var(--header-h);
    z-index: 5;
  }
}

@media (min-width: 960px) {
  .page-home .home-hero-grid {
    grid-template-columns: 4fr 6fr;
    gap: clamp(32px, 4vw, 64px);
    align-items: center;
  }

  .page-home .hero-shot img {
    aspect-ratio: 4 / 3;
  }

  .page-home .hero-chips {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 18px;
  }

  .page-home .hero-chip {
    backdrop-filter: blur(8px);
  }

  .page-home .weekly-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-home .devices-grid {
    grid-template-columns: 0.95fr 1.05fr;
    align-items: center;
  }

  .page-home .quality-flow {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-home .partner-cta {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-home .tab-panel {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .sport-card:nth-child(4n + 3) {
    margin-top: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .chip-dot {
    animation: none;
  }

  .page-home .tab,
  .page-home .sport-card,
  .page-home .step-card,
  .page-home .home-jump a {
    transition: none;
  }
}