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

.page-home {
  --home-rail-w: 120px;
  --home-gap: clamp(16px, 2.2vw, 28px);
  --home-section-y: clamp(56px, 7.5vw, 100px);
}

/* ---------- 页面位置提示 ---------- */

.page-home .page-home__crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding-top: 20px;
  padding-bottom: 4px;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--stone);
}

.page-home .page-home__crumb-mark {
  font-weight: 700;
  color: var(--amber);
}

.page-home .page-home__crumb-sep {
  color: var(--clay);
}

/* ---------- 首屏拼贴 ---------- */

.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.5vw, 54px) 0 clamp(44px, 6vw, 76px);
  background:
    radial-gradient(90% 70% at 88% -10%, rgba(63, 193, 176, 0.18), transparent 62%),
    radial-gradient(70% 60% at 4% 112%, rgba(164, 90, 63, 0.24), transparent 60%),
    linear-gradient(165deg, var(--ink) 0%, var(--midnight) 100%);
  color: var(--paper);
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(242, 163, 60, 0.55), transparent);
}

.page-home .home-hero__inner {
  display: grid;
  gap: var(--home-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-home .home-hero__content {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  grid-template-columns: minmax(0, 1fr);
  min-width: 0;
}

/* 纵向索引轨道 */

.page-home .home-rail {
  display: none;
}

.page-home .home-rail__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  color: var(--stone);
}

.page-home .home-rail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

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

.page-home .home-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--paper-soft);
  text-decoration: none;
  transition: color 180ms ease;
}

.page-home .home-rail__num {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--teal);
}

.page-home .home-rail__link:hover,
.page-home .home-rail__link:focus-visible {
  color: var(--amber);
}

/* 首屏导语 */

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

.page-home .hero-lead__eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 14px;
  border: 1px solid rgba(242, 163, 60, 0.42);
  border-radius: 999px;
  background: rgba(242, 163, 60, 0.09);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-home .hero-lead h1 {
  margin: 0 0 20px;
  font-size: clamp(1.85rem, 5.4vw, 3.5rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .hero-lead__text {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: clamp(0.97rem, 1.6vw, 1.06rem);
  line-height: 1.88;
  color: var(--paper-soft);
}

.page-home .hero-facts {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .hero-fact {
  padding: 14px 16px;
  border: 1px solid rgba(243, 239, 231, 0.14);
  border-radius: var(--radius-sm);
  background: rgba(243, 239, 231, 0.04);
}

.page-home .hero-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-home .hero-fact__label {
  display: block;
  margin-top: 6px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--stone);
}

/* 首屏配图 */

.page-home .hero-media {
  min-width: 0;
  align-self: end;
}

.page-home .hero-media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid rgba(243, 239, 231, 0.14);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.4);
}

.page-home .hero-media__cap {
  margin: 12px 0 0;
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--stone);
}

/* 三条核心路径 */

.page-home .home-paths {
  display: grid;
  gap: var(--home-gap);
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  grid-template-columns: minmax(0, 1fr);
}

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

.page-home .path-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  padding: 24px 22px 22px;
  border: 1px solid var(--shadow);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  box-shadow: 6px 6px 0 rgba(216, 210, 198, 0.28);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.page-home .path-card:hover,
.page-home .path-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--amber);
  box-shadow: 6px 10px 0 rgba(242, 163, 60, 0.3);
}

.page-home .path-card__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-home .path-card__title {
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .path-card__text {
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-home .path-card__cta {
  margin-top: auto;
  padding-top: 6px;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--amber-dark);
}

/* ---------- 章节标题组 ---------- */

.page-home .section-head {
  --head-title: var(--paper);
  --head-lead: var(--paper-soft);
  --head-eyebrow: var(--teal);
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-home .section-head__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--head-eyebrow);
}

.page-home .section-head h2 {
  margin: 0 0 14px;
  font-size: clamp(1.45rem, 3.4vw, 2.3rem);
  line-height: 1.26;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--head-title);
}

.page-home .section-head__lead {
  margin: 0;
  font-size: clamp(0.94rem, 1.5vw, 1rem);
  line-height: 1.86;
  color: var(--head-lead);
}

/* ---------- 人群指引 ---------- */

.page-home .home-audience {
  padding: var(--home-section-y) 0;
  background: linear-gradient(180deg, var(--midnight) 0%, var(--ink) 100%);
  border-bottom: 1px solid var(--line);
}

.page-home .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-home .tab {
  appearance: none;
  cursor: pointer;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(243, 239, 231, 0.05);
  color: var(--paper-soft);
  font-family: inherit;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}

.page-home .tab:hover {
  border-color: rgba(242, 163, 60, 0.6);
  color: var(--paper);
}

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

.page-home .tab[aria-selected="true"],
.page-home .tab.is-active {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--midnight);
  font-weight: 700;
}

.page-home .tab-panel {
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  background: rgba(243, 239, 231, 0.05);
}

.page-home .tab-panel + .tab-panel {
  margin-top: 14px;
}

.page-home .tab-panel[hidden] {
  display: none;
}

.page-home .tab-panel__title {
  margin: 0 0 12px;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .tab-panel__text {
  margin: 0 0 18px;
  max-width: 70ch;
  font-size: 0.93rem;
  line-height: 1.88;
  color: var(--paper-soft);
}

.page-home .tab-panel__link {
  display: inline-block;
  padding-bottom: 3px;
  font-size: 0.87rem;
  font-weight: 700;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 163, 60, 0.45);
  transition: color 200ms ease, border-color 200ms ease;
}

.page-home .tab-panel__link:hover,
.page-home .tab-panel__link:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 全宽琥珀橙横幅 ---------- */

.page-home .home-flash {
  padding: clamp(28px, 4.4vw, 44px) 0;
  background: linear-gradient(100deg, var(--amber) 0%, #F6BE6A 100%);
  color: var(--midnight);
}

.page-home .home-flash__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.page-home .home-flash__text {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(0.97rem, 1.8vw, 1.08rem);
  font-weight: 700;
  line-height: 1.72;
  color: var(--midnight);
}

.page-home .home-flash__link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  border-radius: 999px;
  background: var(--midnight);
  color: var(--paper);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 200ms ease, background 200ms ease;
}

.page-home .home-flash__link:hover,
.page-home .home-flash__link:focus-visible {
  transform: translateY(-2px);
  background: var(--ink);
}

/* ---------- 12 步注册 ---------- */

.page-home .home-steps {
  padding: var(--home-section-y) 0;
  background: var(--paper);
  color: var(--ink);
}

.page-home .home-steps .section-head,
.page-home .home-versions .section-head {
  --head-title: var(--ink);
  --head-lead: var(--ink-soft);
  --head-eyebrow: var(--clay);
}

.page-home .home-steps__figure,
.page-home .home-versions__figure,
.page-home .home-enterprise__figure {
  margin: 0;
}

.page-home .home-steps__figure {
  margin-bottom: clamp(22px, 3.5vw, 36px);
}

.page-home .home-steps__figure img,
.page-home .home-versions__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--shadow);
}

.page-home .home-steps__figure figcaption,
.page-home .home-versions__figure figcaption,
.page-home .home-enterprise__figure figcaption {
  margin-top: 12px;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-home .step-grid {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .step-grid__item {
  min-width: 0;
}

.page-home .step-card {
  border: 1px solid var(--shadow);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.6);
  overflow: hidden;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.page-home .step-card[open] {
  border-color: var(--amber);
  box-shadow: 0 10px 24px rgba(14, 27, 42, 0.08);
}

.page-home .step-card__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-home .step-card__head::-webkit-details-marker {
  display: none;
}

.page-home .step-card__head::after {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-left: auto;
  border-right: 2px solid var(--clay);
  border-bottom: 2px solid var(--clay);
  transform: rotate(45deg);
  transition: transform 240ms ease;
}

.page-home .step-card[open] .step-card__head::after {
  transform: rotate(-135deg);
}

.page-home .step-card__head:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-home .step-card__num {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  color: var(--amber-dark);
}

.page-home .step-card__title {
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-home .step-card__text {
  margin: 0;
  padding: 0 18px 18px 52px;
  font-size: 0.87rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 企业反馈 ---------- */

.page-home .home-enterprise {
  padding: var(--home-section-y) 0;
  background: var(--midnight);
  color: var(--paper);
}

.page-home .home-enterprise__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

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

.page-home .home-enterprise__body h2 {
  margin: 0 0 18px;
  font-size: clamp(1.45rem, 3.4vw, 2.3rem);
  line-height: 1.26;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-home .home-enterprise__text {
  margin: 0 0 16px;
  max-width: 60ch;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--paper-soft);
}

.page-home .status-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 26px;
  padding: 0;
  list-style: none;
}

.page-home .status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(243, 239, 231, 0.18);
  border-radius: 999px;
  background: rgba(243, 239, 231, 0.05);
  font-size: 0.8rem;
  color: var(--paper-soft);
}

.page-home .status-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--stone);
}

.page-home .status-chip--wait::before {
  background: var(--amber);
}

.page-home .status-chip--doing::before {
  background: var(--teal);
}

.page-home .status-chip--done::before {
  background: var(--moss);
}

.page-home .status-chip--closed::before {
  background: var(--stone);
}

.page-home .enterprise-link {
  display: inline-flex;
  align-items: center;
  padding: 12px 26px;
  border-radius: 999px;
  background: var(--amber);
  color: var(--midnight);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 200ms ease, transform 200ms ease;
}

.page-home .enterprise-link:hover,
.page-home .enterprise-link:focus-visible {
  background: var(--amber-dark);
  transform: translateY(-2px);
}

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

.page-home .home-enterprise__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

/* ---------- 服务范围与版本说明 ---------- */

.page-home .home-versions {
  padding: var(--home-section-y) 0;
  background: var(--paper);
  color: var(--ink);
}

.page-home .version-cols {
  display: grid;
  gap: 1px;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--shadow);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--shadow);
}

.page-home .version-col {
  padding: clamp(20px, 3vw, 30px);
  background: rgba(255, 255, 255, 0.55);
}

.page-home .version-col__title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--moss);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-home .version-col__text {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-home .home-versions__figure {
  margin-top: clamp(24px, 4vw, 40px);
}

/* ---------- 常用入口 ---------- */

.page-home .home-returning {
  padding: var(--home-section-y) 0;
  background: linear-gradient(180deg, var(--ink) 0%, var(--midnight) 100%);
  color: var(--paper);
}

.page-home .return-links {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .return-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(243, 239, 231, 0.04);
  color: var(--paper);
  text-decoration: none;
  transition: border-color 200ms ease, background 200ms ease, transform 200ms ease;
}

.page-home .return-link:hover,
.page-home .return-link:focus-visible {
  border-color: var(--amber);
  background: rgba(242, 163, 60, 0.09);
  transform: translateY(-2px);
}

.page-home .return-link__label {
  font-size: 0.95rem;
  font-weight: 600;
}

.page-home .return-link__arrow {
  font-family: var(--font-mono);
  color: var(--amber);
}

/* ---------- 滚动显现 ---------- */

@media (prefers-reduced-motion: no-preference) {
  .page-home [data-reveal].is-visible {
    animation: homeRise 520ms cubic-bezier(0.22, 0.61, 0.36, 1) both;
  }
}

@keyframes homeRise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ================= 响应式 ================= */

@media (min-width: 560px) {
  .page-home .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .page-home .version-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-home .home-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .home-paths__item {
    display: flex;
  }

  .page-home .path-card {
    width: 100%;
  }

  .page-home .return-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .home-flash__inner {
    flex-wrap: nowrap;
  }
}

@media (min-width: 880px) {
  .page-home .home-hero__content {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-home .hero-lead {
    grid-column: 1 / span 7;
  }

  .page-home .hero-media {
    grid-column: 8 / span 5;
  }

  .page-home .home-paths {
    grid-column: 1 / -1;
  }

  .page-home .home-enterprise__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

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

@media (min-width: 1080px) {
  .page-home .version-cols {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .return-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-home .home-hero__inner {
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .home-rail {
    display: block;
    position: sticky;
    top: 96px;
    padding-left: 16px;
    border-left: 1px solid var(--line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .path-card,
  .page-home .return-link,
  .page-home .enterprise-link,
  .page-home .home-flash__link,
  .page-home .step-card__head::after {
    transition: none;
  }

  .page-home .path-card:hover,
  .page-home .return-link:hover,
  .page-home .enterprise-link:hover,
  .page-home .home-flash__link:hover {
    transform: none;
  }
}