/* ================= 首页 page-home ================= */
.page-home {
  --hp-line: rgba(11, 18, 32, .14);
  --hp-line-light: rgba(233, 238, 245, .18);
}

/* 上下文提示行 */
.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 20px 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--steel);
}
.page-home .home-context span + span::before {
  content: "/";
  margin-right: 10px;
  color: rgba(131, 148, 171, .5);
}

/* 章节标题块 */
.page-home .ph-head {
  max-width: 720px;
  padding-bottom: 4px;
}
.page-home .ph-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 24px;
  padding: 0 8px;
  background: var(--violet);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
}
.page-home .ph-num--violet { background: var(--violet); }
.page-home .ph-num--mint { background: var(--mint); color: var(--ink-900); }
.page-home .ph-title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--ink-900);
}
.page-home .ph-sub {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
  max-width: 40em;
}
.page-home .ph-head--dark .ph-title { color: var(--ice-100); }
.page-home .ph-head--dark .ph-sub { color: rgba(233, 238, 245, .72); }

/* ---------- 首屏 ---------- */
.page-home .hero { padding: 12px 0 52px; }
.page-home .hero__inner { display: grid; gap: 32px; }
.page-home .hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.2vw, 62px);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--ink-900);
}
.page-home .hero__lead {
  margin: 20px 0 0;
  max-width: 36ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}
.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-home .hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin: 30px 0 0;
  padding: 20px 0 0;
  border-top: 2px solid var(--hp-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--steel);
}
.page-home .hero__facts li { display: flex; align-items: baseline; gap: 6px; }
.page-home .hero__facts span {
  font-size: 26px;
  font-weight: 700;
  color: var(--ink-900);
  line-height: 1;
}

.page-home .hero__visual {
  position: relative;
  overflow: hidden;
  border: var(--edge);
  box-shadow: var(--shadow-hard);
  background: var(--ink-900);
  min-height: 320px;
  aspect-ratio: 4 / 5;
}
.page-home .hero__visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.8) contrast(1.08) brightness(.72);
}
.page-home .hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 18, 32, .1) 0%, rgba(11, 18, 32, .82) 76%);
  pointer-events: none;
}
.page-home .hero__hud {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  width: auto;
  height: auto;
  z-index: 2;
}
.page-home .dial-track {
  fill: none;
  stroke: rgba(233, 238, 245, .18);
  stroke-width: 10;
}
.page-home .dial-ring {
  fill: none;
  stroke: var(--orange);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 268 352;
  animation: hp-dial 900ms ease-out both;
}
.page-home .dial-value {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  fill: var(--ice-100);
}
.page-home .dial-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .12em;
  fill: rgba(233, 238, 245, .6);
}
.page-home .hud-bars rect { fill: var(--mint); opacity: .82; }
.page-home .hud-bars rect:nth-child(even) { fill: var(--frost); }
.page-home .hud-base { stroke: rgba(233, 238, 245, .3); stroke-width: 2; }

@keyframes hp-dial {
  from { stroke-dasharray: 0 352; }
  to { stroke-dasharray: 268 352; }
}

/* ---------- 斜切色带 ---------- */
.page-home .slash-band {
  height: 16px;
  margin: 8px 0;
  background: linear-gradient(90deg, var(--orange) 0%, var(--mint) 55%, var(--violet) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 38%, 0 100%);
}
.page-home .slash-band--alt {
  background: linear-gradient(90deg, var(--violet) 0%, var(--frost) 45%, var(--mint) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 62%);
}

/* ---------- 01 频道赛道条 ---------- */
.page-home .channels { padding: 44px 0 40px; }
.page-home .track {
  display: flex;
  gap: 16px;
  margin-top: 30px;
  padding: 8px 4px 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  cursor: grab;
  outline-offset: 4px;
}
.page-home .track:active { cursor: grabbing; }
.page-home .track:focus-visible { outline: 2px solid var(--frost); }
.page-home .track::-webkit-scrollbar { height: 8px; }
.page-home .track::-webkit-scrollbar-track { background: var(--ice-100); }
.page-home .track::-webkit-scrollbar-thumb { background: var(--violet); }

.page-home .track__card {
  flex: 0 0 min(264px, 76vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  background: var(--paper);
  border: var(--edge);
  box-shadow: var(--shadow-soft);
  min-height: 208px;
}
.page-home .track__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.page-home .track__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--steel);
}
.page-home .track__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  letter-spacing: -.02em;
  color: var(--ink-900);
}
.page-home .track__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
  flex: 1;
}
.page-home .track__tags { display: flex; flex-wrap: wrap; gap: 8px; }

.page-home .track__card--media { padding: 0; gap: 0; overflow: hidden; }
.page-home .track__media {
  display: block;
  width: 100%;
  height: 128px;
  object-fit: cover;
  border-bottom: var(--edge);
}
.page-home .track__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 18px 18px;
}

/* ---------- 02 权益三档 ---------- */
.page-home .tiers-section { padding: 48px 0 64px; }
.page-home .tiers {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}
.page-home .tier {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 22px;
  background: var(--paper);
  border: var(--edge);
  box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.page-home .tier:hover,
.page-home .tier:focus-within {
  transform: translateY(-6px);
  border-color: var(--orange);
  box-shadow: var(--shadow-hard);
}
.page-home .tier--featured {
  background: var(--ink-900);
  border-color: var(--ink-900);
  box-shadow: var(--shadow-hard);
}
.page-home .tier--featured .tier__name { color: var(--ice-100); }
.page-home .tier--featured .tier__fit { color: rgba(233, 238, 245, .74); }
.page-home .tier--featured .tier__list li {
  color: rgba(233, 238, 245, .9);
  border-bottom-color: var(--hp-line-light);
}
.page-home .tier__flag { align-self: flex-start; }
.page-home .tier__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  letter-spacing: -.01em;
  color: var(--ink-900);
}
.page-home .tier__fit {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}
.page-home .tier__list {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}
.page-home .tier__list li {
  padding: 10px 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--slate);
  border-bottom: 1px solid var(--hp-line);
}
.page-home .tier--featured .tier__list li { border-bottom: 1px solid var(--hp-line-light); }
.page-home .tier__list li:last-child { border-bottom: 0; }
.page-home .tier__cta { align-self: flex-start; margin-top: 4px; }

/* ---------- 03 专家专栏对比 ---------- */
.page-home .experts {
  position: relative;
  margin-top: 72px;
  padding: 68px 0 76px;
  background: var(--ink-900);
  color: var(--ice-100);
  overflow: hidden;
}
.page-home .experts::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -40px;
  height: 40px;
  background: var(--ink-900);
  clip-path: polygon(0 100%, 100% 0, 100% 100%, 0 100%);
}
.page-home .experts__grid {
  display: grid;
  gap: 28px;
  margin-top: 34px;
}
.page-home .expert-card {
  padding: 18px 20px 20px;
  background: var(--ink-800);
  border: 2px solid var(--hp-line-light);
  transition: border-color .2s ease, transform .2s ease;
}
.page-home .expert-card + .expert-card { margin-top: 14px; }
.page-home .expert-card:hover {
  border-color: var(--mint);
  transform: translateX(4px);
}
.page-home .expert-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-home .expert-card__who {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--mint);
}
.page-home .expert-card__idea {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: rgba(233, 238, 245, .84);
}
.page-home .expert-card__nums {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--hp-line-light);
}
.page-home .expert-card__nums div { display: flex; align-items: baseline; gap: 8px; }
.page-home .expert-card__nums dt {
  font-size: 12px;
  color: rgba(233, 238, 245, .55);
}
.page-home .expert-card__nums dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--orange);
}
.page-home .experts__baseline {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(233, 238, 245, .68);
}
.page-home .experts__figure { margin: 0; }
.page-home .experts__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--hp-line-light);
  filter: saturate(.85) contrast(1.05);
}
.page-home .experts__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(233, 238, 245, .5);
}
.page-home .experts__stamp {
  position: absolute;
  right: -8px;
  bottom: -22px;
  font-family: var(--font-mono);
  font-size: clamp(60px, 12vw, 132px);
  line-height: .8;
  letter-spacing: -.05em;
  color: rgba(122, 92, 255, .2);
  pointer-events: none;
  user-select: none;
}

/* ---------- 喘息区 ---------- */
.page-home .breathe { padding: 64px 0 56px; }
.page-home .breathe img {
  display: block;
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border: var(--edge);
  box-shadow: var(--shadow-hard);
}
.page-home .breathe p {
  margin: 26px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(18px, 2.6vw, 26px);
  line-height: 1.55;
  color: var(--ink-900);
  max-width: 26em;
}

/* ---------- 04 场次核对演示 ---------- */
.page-home .verify { padding: 8px 0 64px; }
.page-home .verify__grid {
  display: grid;
  gap: 28px;
  margin-top: 32px;
}
.page-home .verify__panel {
  padding: 22px 20px 24px;
  background: var(--paper);
  border: var(--edge);
  box-shadow: var(--shadow-hard);
}
.page-home .verify__code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(34px, 7vw, 56px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 4px solid var(--orange);
  transition: color .2s ease;
}
.page-home .verify__code:hover,
.page-home .verify__code:focus-visible { color: var(--orange-d); }
.page-home .verify__meta {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--steel);
}
.page-home .verify__tablewrap {
  margin-top: 20px;
  overflow-x: auto;
}
.page-home .verify__table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  font-size: 14px;
}
.page-home .verify__caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--steel);
  padding-bottom: 8px;
}
.page-home .verify__table thead th {
  background: var(--ink-800);
  color: var(--ice-100);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .1em;
  text-align: left;
  padding: 10px 12px;
}
.page-home .verify__table tbody th,
.page-home .verify__table tbody td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--hp-line);
  color: var(--slate);
  text-align: left;
}
.page-home .verify__table tbody th { font-weight: 500; }
.page-home .verify__table tbody td {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink-900);
}
.page-home .verify__table tbody tr:nth-child(even) { background: var(--ice-100); }
.page-home .verify__table tbody tr:last-child th,
.page-home .verify__table tbody tr:last-child td { border-bottom: 0; }
.page-home .verify__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}
.page-home .verify__figure { margin: 0; }
.page-home .verify__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--edge);
  box-shadow: var(--shadow-soft);
}
.page-home .verify__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--steel);
}
.page-home .verify__cta { margin-top: 28px; }

/* ---------- 05 数字带 ---------- */
.page-home .stats {
  padding: 60px 0 68px;
  background: var(--ink-900);
  color: var(--ice-100);
}
.page-home .stats__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  background: var(--hp-line-light);
  border: 1px solid var(--hp-line-light);
}
.page-home .stat {
  background: var(--ink-900);
  padding: 22px 18px 24px;
}
.page-home .stat__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 50px);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--mint);
  font-variant-numeric: tabular-nums;
}
.page-home .stat__num span {
  font-size: .42em;
  letter-spacing: .02em;
  margin-left: 2px;
}
.page-home .stat__label {
  margin: 10px 0 0;
  font-size: 13px;
  color: rgba(233, 238, 245, .66);
}

/* ---------- 06 起步三步 ---------- */
.page-home .start { padding: 64px 0 76px; }
.page-home .steps {
  list-style: none;
  display: grid;
  gap: 16px;
  margin: 32px 0 0;
  padding: 0;
}
.page-home .step {
  padding: 20px 22px 22px;
  background: var(--paper);
  border: var(--edge);
  box-shadow: var(--shadow-soft);
}
.page-home .step__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--violet);
}
.page-home .step__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -.01em;
  color: var(--ink-900);
}
.page-home .step__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--slate);
}
.page-home .start__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: 32px;
}
.page-home .start__link {
  font-size: 14px;
  color: var(--frost);
  text-decoration: none;
  border-bottom: 2px solid var(--frost);
  padding-bottom: 2px;
}
.page-home .start__link:hover,
.page-home .start__link:focus-visible { color: var(--orange); border-bottom-color: var(--orange); }

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-home .stats__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-home .hero__facts { gap: 14px 40px; }
}

@media (min-width: 900px) {
  .page-home .hero { padding: 20px 0 64px; }
  .page-home .hero__inner {
    grid-template-columns: 1.06fr .94fr;
    align-items: start;
    gap: 48px;
    min-height: 560px;
  }
  .page-home .hero__visual {
    aspect-ratio: auto;
    min-height: 540px;
    height: 100%;
  }
  .page-home .experts__grid { grid-template-columns: 7fr 5fr; align-items: start; }
  .page-home .verify__grid { grid-template-columns: 6fr 4fr; align-items: start; gap: 32px; }
  .page-home .tiers { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; }
  .page-home .tier:nth-child(2) { transform: translateY(-14px); }
  .page-home .tier:nth-child(2):hover,
  .page-home .tier:nth-child(2):focus-within { transform: translateY(-20px); }
  .page-home .expert-card:nth-child(2) { margin-left: 26px; }
  .page-home .expert-card:nth-child(3) { margin-left: 52px; }
  .page-home .experts__stamp { right: 8px; bottom: -30px; }
}

@media (min-width: 1160px) {
  .page-home .track__card { flex-basis: 300px; }
  .page-home .stats__grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .dial-ring { animation: none; }
  .page-home .tier,
  .page-home .expert-card { transition: none; }
}
</main>