.page-home {
  --home-gap: clamp(44px, 6vw, 88px);
  --home-edge: clamp(16px, 4vw, 40px);
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  color: var(--paper-light);
  font-family: var(--font-sans);
  background:
    radial-gradient(900px 560px at 86% -8%, rgba(47, 227, 196, 0.12), transparent 62%),
    radial-gradient(760px 500px at 2% 44%, rgba(59, 140, 255, 0.1), transparent 64%),
    radial-gradient(620px 420px at 94% 88%, rgba(255, 106, 26, 0.09), transparent 66%),
    var(--ink-900);
}

.page-home .container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--home-edge);
  min-width: 0;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  padding-block: clamp(30px, 5vw, 72px) clamp(36px, 5vw, 64px);
}

.page-home .home-hero__inner {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

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

.page-home .home-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--teal);
}

.page-home .home-hero__kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--tiger);
}

.page-home .home-hero__title {
  margin: 0;
  font-size: clamp(38px, 7vw, 76px);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper-light);
}

.page-home .home-hero__accent {
  color: var(--tiger);
}

.page-home .home-hero__lede {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .home-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--mist);
}

.page-home .home-hero__fact {
  position: relative;
  padding-left: 13px;
}

.page-home .home-hero__fact::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 4px;
  margin-top: -2px;
  border-radius: 50%;
  background: var(--tiger);
}

.page-home .hero-index {
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-700);
}

.page-home .hero-index__item {
  border-bottom: 1px solid var(--ink-700);
}

.page-home .hero-index__link {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 2px 12px;
  padding: 13px 6px;
  text-decoration: none;
  color: inherit;
  transition: background-color var(--dur) var(--ease);
}

.page-home .hero-index__link:hover,
.page-home .hero-index__link:focus-visible {
  background: rgba(255, 106, 26, 0.07);
}

.page-home .hero-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

.page-home .hero-index__label {
  font-size: 17px;
  font-weight: 600;
  color: var(--paper-light);
  transition: transform var(--dur) var(--ease);
}

.page-home .hero-index__desc {
  grid-column: 2 / -1;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .hero-index__link:hover .hero-index__num,
.page-home .hero-index__link:focus-visible .hero-index__num {
  color: var(--tiger);
}

.page-home .hero-index__link:hover .hero-index__label,
.page-home .hero-index__link:focus-visible .hero-index__label {
  transform: translateX(4px);
}

.page-home .home-hero__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
  overflow: hidden;
}

.page-home .home-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .home-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(155deg, rgba(47, 227, 196, 0.22) 0%, rgba(11, 14, 17, 0) 45%),
    linear-gradient(0deg, rgba(11, 14, 17, 0.85) 0%, rgba(11, 14, 17, 0) 55%);
}

/* ---------- 通用区块 ---------- */
.page-home .home-section {
  padding-block: var(--home-gap);
  border-top: 1px solid var(--ink-700);
}

.page-home .section-head {
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-home .section-head__note {
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 资料库 ---------- */
.page-home .library-split {
  display: grid;
  gap: clamp(28px, 3.5vw, 40px);
}

.page-home .library-figure {
  margin: 0 0 clamp(18px, 2.5vw, 26px);
  border: 1px solid var(--ink-700);
  overflow: hidden;
}

.page-home .library-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .library-index__title,
.page-home .library-notes__title {
  margin: 0 0 14px;
  font-size: 20px;
  font-weight: 700;
  color: var(--paper-light);
}

.page-home .issue-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-700);
}

.page-home .issue-list__item {
  display: grid;
  grid-template-columns: 4.4rem minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 11px 2px;
  border-bottom: 1px solid var(--ink-700);
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper-light);
}

.page-home .issue-list__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-home .library-notes__title {
  margin-bottom: 4px;
}

.page-home .library-notes .accordion__trigger {
  display: flex;
  width: 100%;
  gap: 12px;
  align-items: baseline;
  text-align: left;
}

.page-home .note-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal);
}

.page-home .note-title {
  flex: 1 1 auto;
  min-width: 0;
}

.page-home .library-notes .accordion__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .library-notes__more {
  margin-top: 20px;
}

/* ---------- 帮助中心 ---------- */
.page-home .help-band {
  margin-bottom: clamp(24px, 3vw, 34px);
  border: 1px solid var(--ink-700);
  overflow: hidden;
}

.page-home .help-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 1;
  object-fit: cover;
}

.page-home .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .help-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 20px 20px;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
}

.page-home .help-card .card__tag {
  position: absolute;
  top: 0;
  right: 0;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
  background: var(--ink-700);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .help-card:hover .card__tag {
  background: var(--ember);
  color: var(--ink-900);
}

.page-home .help-card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--paper-light);
}

.page-home .help-card__count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--teal);
}

.page-home .help-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .help-card__link {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--ink-700);
  font-size: 14px;
  font-weight: 600;
  color: var(--tiger);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-home .help-card__link:hover,
.page-home .help-card__link:focus-visible {
  color: var(--ember);
}

/* ---------- 联系与反馈 ---------- */
.page-home .contact-duo {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

.page-home .contact-panel,
.page-home .feedback-panel {
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
}

.page-home .contact-panel {
  background:
    radial-gradient(420px 260px at 92% 0%, rgba(47, 227, 196, 0.14), transparent 66%),
    var(--ink-800);
}

.page-home .feedback-panel {
  background:
    radial-gradient(420px 260px at 0% 100%, rgba(59, 140, 255, 0.12), transparent 66%),
    var(--ink-800);
}

.page-home .contact-panel__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--tiger);
}

.page-home .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 14px 0;
  border-top: 1px solid var(--ink-700);
}

.page-home .contact-line__key {
  flex: 0 0 4.6em;
  font-size: 13px;
  color: var(--mist);
}

.page-home .contact-line__value {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--paper-light);
  overflow-wrap: anywhere;
}

.page-home .contact-line .copy {
  margin-left: auto;
}

.page-home .contact-note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .contact-addr {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--ink-700);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

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

.page-home .feedback-item {
  padding: 14px 0;
  border-top: 1px solid var(--ink-700);
}

.page-home .feedback-item__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper-light);
}

.page-home .feedback-item__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .feedback-foot {
  margin: 16px 0 18px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 节奏与常用路径 ---------- */
.page-home .rhythm-grid {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

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

.page-home .rhythm-item {
  padding: 18px;
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
}

.page-home .rhythm-item__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--tiger);
}

.page-home .rhythm-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper-light);
}

.page-home .rhythm-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .path-card {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--ink-700);
  background:
    radial-gradient(360px 220px at 100% 100%, rgba(255, 106, 26, 0.16), transparent 68%),
    var(--ink-800);
}

.page-home .path-card__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--teal);
}

.page-home .path-card h3 {
  margin: 0 0 16px;
  font-size: 20px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--paper-light);
}

.page-home .path-steps {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .path-steps li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .path-steps .mono {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--tiger);
}

.page-home .path-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 收束图 ---------- */
.page-home .home-coda {
  padding-block: var(--home-gap);
  border-top: 1px solid var(--ink-700);
}

.page-home .home-coda__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--ink-700);
  overflow: hidden;
}

.page-home .home-coda__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.page-home .home-coda__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px clamp(16px, 3vw, 28px);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--paper-light);
  background: linear-gradient(0deg, rgba(11, 14, 17, 0.94), rgba(11, 14, 17, 0));
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .help-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .hero-index__link {
    grid-template-columns: 2.6rem minmax(0, 9.5em) minmax(0, 1fr);
    align-items: baseline;
  }

  .page-home .hero-index__desc {
    grid-column: auto;
  }
}

@media (min-width: 700px) {
  .page-home .rhythm-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-home .home-hero__lede {
    font-size: 17px;
  }

  .page-home .contact-duo {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-home .rhythm-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-home .library-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 0;
  }

  .page-home .library-index {
    padding-right: clamp(24px, 3vw, 44px);
  }

  .page-home .library-notes {
    padding-left: clamp(24px, 3vw, 44px);
    border-left: 1px solid var(--ink-700);
  }
}

@media (min-width: 1000px) {
  .page-home .help-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}