.page-home {
  --home-rule: 1px solid var(--line);
  --home-gap: clamp(20px, 4vw, 40px);
  background-color: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 封面首屏 ---------- */
.page-home .cover {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 9vw, 92px) 0 clamp(36px, 6vw, 72px);
  border-bottom: var(--home-rule);
  background:
    repeating-linear-gradient(90deg, rgba(36, 54, 79, 0.5) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(36, 54, 79, 0.32) 0 1px, transparent 1px 96px),
    var(--ink);
}

.page-home .cover-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .cover-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.page-home .cover-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(96deg, var(--ink) 6%, rgba(8, 17, 31, 0.82) 46%, rgba(8, 17, 31, 0.42) 78%, rgba(8, 17, 31, 0.7) 100%),
    linear-gradient(180deg, rgba(8, 17, 31, 0.6) 0%, rgba(8, 17, 31, 0.12) 42%, var(--ink) 98%);
}

.page-home .cover-inner {
  position: relative;
  z-index: 1;
}

.page-home .cover-context {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-home .cover-title {
  margin: clamp(16px, 3vw, 28px) 0 0;
  max-width: 18ch;
  font-size: clamp(2.4rem, 8.4vw, 5.2rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: 0.01em;
}

.page-home .cover-title span {
  display: block;
  margin-top: 0.32em;
  font-size: 0.5em;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--cyan);
}

.page-home .cover-lede {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 56ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.06rem);
  line-height: 1.85;
}

.page-home .cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-home .cover-index {
  list-style: none;
  margin: clamp(30px, 5vw, 54px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: var(--home-rule);
}

.page-home .cover-index li {
  border-bottom: var(--home-rule);
}

.page-home .cover-index a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 2px;
  color: var(--text);
  font-size: 0.95rem;
  text-decoration: none;
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-home .cover-index a .mono {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--haze);
  transition: color 0.2s var(--ease);
}

.page-home .cover-index a:hover,
.page-home .cover-index a:focus-visible {
  color: var(--cyan);
  transform: translateX(6px);
}

.page-home .cover-index a:hover .mono,
.page-home .cover-index a:focus-visible .mono {
  color: var(--cyan);
}

.page-home .cover-note {
  display: none;
}

/* ---------- 公告横条 ---------- */
.page-home .bulletin {
  position: relative;
  padding: clamp(28px, 5vw, 52px) 0;
  border-top: 1px solid rgba(255, 181, 71, 0.42);
  border-bottom: 1px solid rgba(255, 181, 71, 0.42);
  background:
    linear-gradient(100deg, rgba(255, 181, 71, 0.15), rgba(255, 181, 71, 0.04) 54%, transparent 86%),
    var(--panel);
}

.page-home .bulletin::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--amber);
}

.page-home .bulletin-grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
}

.page-home .bulletin-tag {
  display: inline-block;
  margin: 0 0 16px;
  padding: 5px 10px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--amber);
  border: 1px solid rgba(255, 181, 71, 0.5);
}

.page-home .bulletin-title {
  margin: 0;
  font-size: clamp(1.32rem, 3vw, 1.9rem);
  font-weight: 700;
  line-height: 1.42;
}

.page-home .bulletin-text {
  margin: 14px 0 0;
  max-width: 50ch;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.85;
}

.page-home .bulletin-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding-bottom: 3px;
  font-size: 0.95rem;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 181, 71, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .bulletin-link:hover,
.page-home .bulletin-link:focus-visible {
  color: var(--text);
  border-color: var(--amber);
}

.page-home .bulletin-media {
  margin: 0;
  aspect-ratio: 12 / 7;
  border: 1px solid rgba(255, 181, 71, 0.35);
}

/* ---------- 翻页轨道 ---------- */
.page-home .track {
  padding: clamp(46px, 7vw, 88px) 0;
}

.page-home .track-rail {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  border-top: var(--home-rule);
}

.page-home .track-item {
  border-bottom: var(--home-rule);
}

.page-home .track-link {
  display: block;
  padding: 22px 0 26px;
  color: var(--text);
  text-decoration: none;
}

.page-home .track-num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--haze);
  transition: color 0.2s var(--ease);
}

.page-home .track-name {
  margin: 0;
  font-size: clamp(1.1rem, 2.4vw, 1.3rem);
  font-weight: 700;
  line-height: 1.35;
  transition: color 0.2s var(--ease);
}

.page-home .track-desc {
  margin: 10px 0 0;
  max-width: 42ch;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-home .track-go {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--haze);
  transition: color 0.2s var(--ease);
}

.page-home .track-link:hover .track-name,
.page-home .track-link:hover .track-num,
.page-home .track-link:hover .track-go,
.page-home .track-link:focus-visible .track-name,
.page-home .track-link:focus-visible .track-num,
.page-home .track-link:focus-visible .track-go {
  color: var(--cyan);
}

/* ---------- 双入口面板 ---------- */
.page-home .duo {
  padding: clamp(50px, 8vw, 92px) 0;
  border-top: var(--home-rule);
  border-bottom: var(--home-rule);
  background: var(--panel-2);
}

.page-home .duo-grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-home .duo-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-home .duo-panel:hover,
.page-home .duo-panel:focus-within {
  border-color: var(--cyan);
  box-shadow: var(--glow);
}

.page-home .duo-panel .media-frame {
  margin: 0;
}

.page-home .duo-body {
  padding: clamp(20px, 3vw, 30px);
}

.page-home .duo-title {
  margin: 0;
  font-size: clamp(1.15rem, 2.6vw, 1.45rem);
  font-weight: 700;
  line-height: 1.42;
}

.page-home .duo-text {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.85;
}

.page-home .duo-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .duo-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.7;
}

.page-home .duo-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-home .duo-link {
  display: inline-block;
  margin-top: 22px;
  padding-bottom: 2px;
  font-size: 0.94rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(40, 224, 232, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .duo-link:hover,
.page-home .duo-link:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
}

/* ---------- 新用户三步 ---------- */
.page-home .starter {
  padding: clamp(46px, 7vw, 92px) 0;
}

.page-home .starter-grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
}

.page-home .starter-aside .section-lede {
  max-width: 34ch;
}

.page-home .starter-steps {
  border-top: var(--home-rule);
}

.page-home .accordion-item {
  border-bottom: var(--home-rule);
}

.page-home .accordion-trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 20px 0;
  background: none;
  border: 0;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color 0.18s var(--ease);
}

.page-home .accordion-trigger:hover {
  color: var(--cyan);
}

.page-home .accordion-trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-home .accordion-index {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--haze);
}

.page-home .step-label {
  flex: 1 1 auto;
  min-width: 0;
}

.page-home .accordion-mark {
  position: relative;
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
}

.page-home .accordion-mark::before,
.page-home .accordion-mark::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 12px;
  height: 1.5px;
  background: var(--cyan);
  transition: transform 0.22s var(--ease);
}

.page-home .accordion-mark::after {
  transform: rotate(90deg);
}

.page-home .accordion-trigger[aria-expanded="true"] .accordion-mark::after {
  transform: rotate(0deg);
}

.page-home .accordion-panel {
  padding: 0 0 22px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.85;
}

.page-home .accordion-panel p {
  margin: 0;
  max-width: 56ch;
}

/* ---------- 收束区 ---------- */
.page-home .closing {
  padding: clamp(46px, 7vw, 88px) 0 clamp(40px, 6vw, 72px);
  border-top: var(--home-rule);
  background: var(--panel-2);
}

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

.page-home .closing-main .section-lede {
  max-width: 46ch;
}

.page-home .trust-row {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: clamp(24px, 3.4vw, 32px) 0 0;
  padding: 1px;
  background: var(--line);
}

.page-home .trust-row li {
  background: var(--panel);
  padding: 16px 18px;
}

.page-home .trust-num {
  display: block;
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-home .trust-cap {
  display: block;
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--muted);
}

.page-home .reach {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  border-top: var(--home-rule);
}

.page-home .reach-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 12px 0;
  border-bottom: var(--home-rule);
  font-size: 0.92rem;
}

.page-home .reach-key {
  flex: 0 0 auto;
  min-width: 68px;
  font-family: var(--mono);
  font-size: 0.73rem;
  letter-spacing: 0.14em;
  color: var(--haze);
  padding-top: 3px;
}

.page-home .reach-val {
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
  color: var(--text);
  word-break: break-word;
}

.page-home .reach-val a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .reach-val a:hover,
.page-home .reach-val a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-home .closing-note {
  margin: 20px 0 0;
  max-width: 50ch;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-home .closing-btn {
  margin-top: 24px;
}

.page-home .closing-media {
  margin: 0;
}

.page-home .closing-media .media-frame {
  border: 1px solid var(--line);
}

.page-home .closing-caption {
  display: block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--haze);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .trust-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 880px) {
  .page-home .bulletin-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

@media (min-width: 900px) {
  .page-home .cover-index {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-home .cover-index li {
    border-bottom: 0;
    border-right: var(--home-rule);
  }

  .page-home .cover-index li:last-child {
    border-right: 0;
  }

  .page-home .cover-index a {
    padding: 18px 18px;
  }

  .page-home .cover-index li:first-child a {
    padding-left: 0;
  }
}

@media (min-width: 920px) {
  .page-home .track-rail {
    grid-template-columns: repeat(4, 1fr);
    gap: 0 30px;
    border-top: 0;
  }

  .page-home .track-item {
    border-bottom: 0;
    border-top: 2px solid var(--line);
    transition: border-color 0.22s var(--ease);
  }

  .page-home .track-item:hover {
    border-top-color: var(--cyan);
  }

  .page-home .track-item:nth-child(even) {
    margin-top: 32px;
  }

  .page-home .track-link {
    padding: 26px 0 6px;
  }

  .page-home .duo-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-home .duo-panel--vendor {
    margin-top: 60px;
  }

  .page-home .closing-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-home .closing-media {
    margin-top: 8px;
  }
}

@media (min-width: 960px) {
  .page-home .starter-grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-home .cover-note {
    display: block;
    position: absolute;
    right: 14px;
    top: 50%;
    z-index: 1;
    margin: 0;
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.24em;
    color: var(--haze);
    writing-mode: vertical-rl;
    transform: translateY(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cover-index a,
  .page-home .accordion-mark::before,
  .page-home .accordion-mark::after {
    transition: none;
  }

  .page-home .cover-index a:hover,
  .page-home .cover-index a:focus-visible {
    transform: none;
  }
}