/* ============================================
   首页 · page-home
   ============================================ */

.page-home {
  --home-max: 1280px;
  --home-gap: clamp(56px, 8.5vw, 112px);
  display: block;
  background: var(--ink);
  color: var(--paper);
}

.page-home a {
  color: inherit;
  text-decoration: none;
}

.page-home [data-reveal] {
  opacity: 1;
  transition: opacity 260ms ease, transform 260ms ease;
}

/* ---------- 通用章节头 ---------- */
.page-home .chapter-marker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
}

.page-home .chapter-marker::before {
  content: "";
  flex: none;
  width: 48px;
  height: 2px;
  background: var(--clay);
}

.page-home .chapter-marker__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--mist);
  transition: color 240ms ease;
}

.page-home .chapter-marker__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--mist);
}

.page-home .chapter-marker.is-current .chapter-marker__num {
  color: var(--amber);
}

.page-home .section-head {
  max-width: 760px;
}

.page-home .section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 42px);
  font-weight: 400;
  line-height: 1.34;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-home .section-head__lede {
  margin: 16px 0 0;
  max-width: 30em;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(168, 180, 194, 0.94);
}

.page-home .prose {
  margin: 18px 0 0;
  max-width: 30em;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(243, 239, 228, 0.7);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(40px, 7vw, 64px);
  border-bottom: var(--line);
  background:
    radial-gradient(120% 100% at 92% 4%, rgba(63, 224, 208, 0.1), transparent 58%),
    radial-gradient(90% 80% at 2% 100%, rgba(154, 107, 255, 0.1), transparent 62%),
    var(--ink);
}

.page-home .hero__wedge {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 16% 100%);
  background:
    linear-gradient(158deg, rgba(63, 224, 208, 0.07) 0%, transparent 44%),
    linear-gradient(170deg, var(--panel) 0%, #0C1524 62%, var(--ink) 100%);
  pointer-events: none;
  z-index: 0;
}

.page-home .hero__wedge-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
}

.page-home .hero__wedge::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 18, 32, 0) 0%, rgba(10, 18, 32, 0.88) 100%);
}

.page-home .hero__grain {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.055;
  background-image: radial-gradient(rgba(243, 239, 228, 0.9) 1px, transparent 1px);
  background-size: 3px 3px;
}

.page-home .hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--home-max);
  margin: 0 auto;
  padding: clamp(24px, 5vw, 60px) var(--shell-pad) 0;
}

.page-home .hero__copy {
  max-width: min(100%, 620px);
}

.page-home .hero .breadcrumb {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-home .hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.26em;
  color: var(--cyan);
}

.page-home .hero__title {
  margin: clamp(14px, 2.2vw, 24px) 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.4vw, 80px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-home .hero__lede {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  max-width: 30em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.92;
  font-weight: 350;
  color: rgba(243, 239, 228, 0.72);
}

.page-home .hero__actions {
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-home .hero__hint {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--clay);
  font-size: 13px;
  line-height: 1.8;
  color: rgba(168, 180, 194, 0.92);
}

.page-home .hero__panel {
  position: relative;
  z-index: 3;
  width: auto;
  margin: clamp(30px, 5vw, 44px) var(--shell-pad) 0;
  padding: 18px 22px 20px;
  background: rgba(10, 18, 32, 0.86);
  border: 2px solid var(--cyan);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-home .hero__panel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-home .hero__panel-num {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-home .hero__panel-note {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: rgba(168, 180, 194, 0.86);
}

/* ---------- 三件事 ---------- */
.page-home .trio {
  padding: var(--home-gap) 0;
}

.page-home .trio__grid {
  margin-top: clamp(28px, 4vw, 52px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-home .trio__card {
  position: relative;
  padding: 24px 22px 22px;
  background: var(--panel);
  border: 2px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-sm);
  transition: border-color 240ms ease;
}

.page-home .trio__card:hover {
  border-color: rgba(63, 224, 208, 0.6);
}

.page-home .card__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 1.9vw, 22px);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-home .card__body p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(243, 239, 228, 0.68);
}

.page-home .card__meta {
  margin: 22px 0 0;
}

.page-home .tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.page-home .tag--cyan {
  color: var(--cyan);
  border: 1px solid rgba(63, 224, 208, 0.5);
}

.page-home .tag--violet {
  color: var(--violet);
  border: 1px solid rgba(154, 107, 255, 0.5);
}

.page-home .tag--amber {
  color: var(--amber);
  border: 1px solid rgba(240, 180, 87, 0.5);
}

/* ---------- 记录概览 ---------- */
.page-home .record {
  padding: var(--home-gap) 0;
  background: linear-gradient(180deg, var(--ink) 0%, #0C1727 48%, var(--ink) 100%);
  border-top: var(--line);
  border-bottom: var(--line);
}

.page-home .record__wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}

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

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

.page-home .media-frame__cap {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(168, 180, 194, 0.8);
}

.page-home .record__facts {
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-home .record__facts li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(43, 55, 70, 0.85);
  font-size: 14px;
  color: rgba(168, 180, 194, 0.94);
}

.page-home .record__facts li:first-child {
  border-top: 1px solid rgba(43, 55, 70, 0.85);
}

.page-home .record__facts .data-num {
  flex: none;
  min-width: 5.4em;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  color: var(--amber);
  letter-spacing: 0.02em;
}

.page-home .record__rail {
  margin-top: clamp(36px, 5vw, 64px);
  padding: 0 max(var(--shell-pad), calc((100% - 1280px) / 2));
}

.page-home .record__rail-label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-home .record__track {
  margin: 0;
  padding: 6px 2px 20px;
  list-style: none;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--edge) transparent;
}

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

.page-home .record__track::-webkit-scrollbar-thumb {
  background: var(--edge);
  border-radius: 3px;
}

.page-home .record__slot {
  flex: 0 0 clamp(206px, 62vw, 258px);
  scroll-snap-align: start;
  padding: 22px 20px 20px;
  background: var(--panel);
  border: 2px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-sm);
  transition: border-color 240ms ease;
}

.page-home .record__slot:hover {
  border-color: rgba(200, 112, 63, 0.7);
}

.page-home .record__dot {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--clay);
  box-shadow: 0 0 0 4px rgba(200, 112, 63, 0.16);
}

.page-home .record__stamp {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-home .record__slot-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-home .record__slot-note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(243, 239, 228, 0.6);
}

/* ---------- 双端入口 ---------- */
.page-home .duo {
  padding: var(--home-gap) 0;
}

.page-home .duo__grid {
  margin-top: clamp(28px, 4vw, 52px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-home .duo__col {
  padding: clamp(22px, 3vw, 34px);
  background: var(--panel);
  border: 2px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-sm);
}

.page-home .duo__col--desktop {
  border-left: 5px solid var(--cyan);
}

.page-home .duo__col--mobile {
  border-left: 5px solid var(--violet);
}

.page-home .duo__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--mist);
}

.page-home .duo__col-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-home .duo__col-body {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(243, 239, 228, 0.68);
}

.page-home .ledger {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(43, 55, 70, 0.9);
}

.page-home .ledger__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(43, 55, 70, 0.9);
  font-size: 13.5px;
}

.page-home .ledger__key {
  flex: none;
  min-width: 5.2em;
  color: rgba(168, 180, 194, 0.85);
  letter-spacing: 0.06em;
}

.page-home .ledger__value {
  font-family: var(--font-mono);
  color: var(--paper);
}

.page-home .duo__col-link {
  margin: 24px 0 0;
}

.page-home .duo__media {
  margin: clamp(36px, 5vw, 64px) 0 0;
}

.page-home .duo__media .media-frame__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 2px solid var(--edge);
  border-radius: var(--radius);
}

/* ---------- 账户中心 ---------- */
.page-home .account {
  padding: var(--home-gap) 0;
  border-top: var(--line);
}

.page-home .account__grid {
  margin-top: clamp(28px, 4vw, 48px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-home .account__item {
  padding-top: 20px;
  border-top: 2px solid var(--edge);
}

.page-home .account__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--clay);
}

.page-home .account__item-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-home .account__item-body {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(243, 239, 228, 0.66);
}

/* ---------- 常见卡点 ---------- */
.page-home .faq {
  padding: var(--home-gap) 0;
}

.page-home .faq__list {
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .faq__row {
  padding: 22px 0;
  border-top: 2px solid var(--edge);
}

.page-home .faq__row:last-child {
  border-bottom: 2px solid var(--edge);
}

.page-home .faq__q {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(16.5px, 1.8vw, 19px);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-home .faq__a {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(243, 239, 228, 0.66);
}

.page-home .faq__link {
  display: inline-block;
  margin-left: 6px;
  color: var(--cyan);
  border-bottom: 1px solid rgba(63, 224, 208, 0.45);
}

.page-home .faq__link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 更新节奏 ---------- */
.page-home .pulse {
  position: relative;
  overflow: hidden;
  padding: var(--home-gap) 0;
  border-top: var(--line);
  border-bottom: var(--line);
  background: var(--ink);
}

.page-home .pulse__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.2;
}

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

.page-home .pulse__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--ink) 0%, rgba(10, 18, 32, 0.72) 50%, var(--ink) 100%);
}

.page-home .pulse__wrap {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}

.page-home .pulse__actions {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-home .pulse__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-content: center;
}

.page-home .pulse__stat {
  padding: 18px 14px;
  background: rgba(22, 32, 46, 0.82);
  border: 2px solid var(--edge);
  border-radius: var(--radius);
  text-align: center;
}

.page-home .pulse__stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-home .pulse__stat-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(168, 180, 194, 0.9);
}

/* ---------- 开始使用 ---------- */
.page-home .start {
  padding: var(--home-gap) 0 calc(var(--home-gap) * 0.8);
}

.page-home .start__steps {
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-home .start__step {
  padding: 20px 18px 22px;
  border: 2px solid var(--edge);
  border-radius: var(--radius);
  background: rgba(22, 32, 46, 0.6);
}

.page-home .start__step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-home .start__step-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-home .start__step-body {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(243, 239, 228, 0.64);
}

.page-home .start__cta {
  margin-top: clamp(32px, 4.5vw, 56px);
  padding: clamp(24px, 3.4vw, 36px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  border: 2px solid var(--cyan);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  background: linear-gradient(135deg, rgba(63, 224, 208, 0.09) 0%, rgba(10, 18, 32, 0) 62%);
}

.page-home .start__cta-text {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-home .start__note {
  margin: 26px 0 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: rgba(168, 180, 194, 0.88);
}

.page-home .start__note a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(63, 224, 208, 0.45);
}

/* ---------- 按钮 ---------- */
.page-home .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: background-color 220ms ease, border-color 220ms ease, color 220ms ease;
}

.page-home .btn--primary {
  background: var(--cyan);
  color: var(--ink);
  border-color: var(--cyan);
}

.page-home .btn--primary:hover {
  background: #35C4B6;
  border-color: #35C4B6;
}

.page-home .btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--edge);
}

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

/* ============================================
   断点
   ============================================ */

@media (min-width: 640px) {
  .page-home .start__cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-home .start__cta-text {
    max-width: 26em;
  }
}

@media (min-width: 760px) {
  .page-home .trio__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }

  .page-home .trio__card--b {
    margin-top: 52px;
  }

  .page-home .trio__card--c {
    margin-top: 24px;
  }

  .page-home .account__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 40px;
  }

  .page-home .faq__row {
    display: grid;
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: 32px;
    align-items: start;
    padding: 26px 0;
  }

  .page-home .faq__a {
    margin-top: 0;
  }

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

@media (min-width: 860px) {
  .page-home .duo__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .page-home .pulse__wrap {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 80px);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-home .hero {
    padding-bottom: clamp(230px, 27vw, 310px);
  }

  .page-home .hero__inner {
    padding-top: clamp(40px, 5vw, 72px);
  }

  .page-home .hero__panel {
    position: absolute;
    right: clamp(24px, 6vw, 88px);
    bottom: clamp(40px, 6vw, 76px);
    margin: 0;
    width: min(350px, 32vw);
  }

  .page-home .record__wrap {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: clamp(40px, 6vw, 92px);
  }

  .page-home .start__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
  }
}

@media (min-width: 1024px) {
  .page-home .hero__wedge {
    width: min(64%, 780px);
  }
}

@media (max-width: 639px) {
  .page-home .hero__br {
    display: none;
  }

  .page-home .pulse__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .page-home .pulse__stat {
    padding: 14px 8px;
  }

  .page-home .btn {
    padding: 11px 18px;
    font-size: 13.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home [data-reveal] {
    transition: none;
  }

  .page-home .trio__card,
  .page-home .record__slot,
  .page-home .btn {
    transition: none;
  }
}