/* ============ 首页 / page-home ============ */
.page-home {
  --home-edge: clamp(16px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  background: var(--ink);
  color: var(--warm);
  padding: clamp(30px, 5.5vw, 68px) 0 clamp(58px, 8vw, 104px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), 0 100%);
  overflow: hidden;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: -12%;
  width: 44%;
  height: 100%;
  background: var(--red);
  opacity: 0.14;
  transform: skewX(-12deg);
  pointer-events: none;
}

.page-home .hero .wrap {
  position: relative;
  z-index: 1;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4.5vw, 52px);
  align-items: end;
}

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

.page-home .eyebrow {
  margin: 0 0 14px;
}

.page-home .hero-title {
  margin: 0;
  font-size: clamp(2.4rem, 8.5vw, 5.5rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--warm);
}

.page-home .hero-title-mark {
  color: var(--cyan);
}

.page-home .hero-lead {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: var(--fs-18);
  line-height: 1.75;
  color: rgba(250, 246, 239, 0.84);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero .btn-ghost {
  color: var(--warm);
  border-color: rgba(250, 246, 239, 0.45);
}

.page-home .hero .btn-ghost:hover,
.page-home .hero .btn-ghost:focus-visible {
  color: var(--ink);
  background: var(--warm);
  border-color: var(--warm);
}

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

.page-home .hero-art .figure-frame {
  background: var(--ink-2);
  border-left: 6px solid var(--red);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
  overflow: hidden;
}

.page-home .hero-art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 主体骨架：左索引 + 右面板 ---------- */
.page-home .home-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 52px);
  padding-top: clamp(36px, 5vw, 72px);
  padding-bottom: clamp(46px, 6vw, 92px);
}

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

.page-home .rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-home .rail-list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0 0 12px;
  padding: 0 0 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-home .rail-list li {
  flex: 0 0 auto;
}

.page-home .rail-link {
  display: block;
  padding: 8px 14px;
  white-space: nowrap;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: var(--fs-14);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-home .rail-link:hover,
.page-home .rail-link:focus-visible {
  color: var(--cyan-deep);
  border-color: var(--cyan);
  background: var(--warm);
}

.page-home .rail-link[aria-current="true"] {
  color: var(--red);
  border-color: var(--red);
  background: rgba(226, 55, 43, 0.09);
}

.page-home .rail-cta {
  display: inline-block;
  margin-top: 4px;
  color: var(--red);
  font-size: var(--fs-14);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: border-color 0.16s var(--ease);
}

.page-home .rail-cta:hover,
.page-home .rail-cta:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-home .home-panels {
  display: grid;
  gap: clamp(22px, 3vw, 44px);
  min-width: 0;
}

.page-home .home-sec {
  min-width: 0;
  padding: clamp(22px, 3vw, 40px);
}

/* ---------- 章节头 ---------- */
.page-home .sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  align-items: start;
  margin-bottom: clamp(18px, 2.4vw, 30px);
}

.page-home .sec-index {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 4.2vw, 3.4rem);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.03em;
  color: var(--red);
}

.page-home .sec-title {
  margin: 0;
  font-size: clamp(1.35rem, 2.6vw, 2.1rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-home .sec-note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--slate);
}

.page-home .panel--ink .sec-index {
  color: var(--cyan);
}

.page-home .panel--ink .sec-title {
  color: var(--warm);
}

.page-home .panel--ink .sec-note {
  color: rgba(250, 246, 239, 0.7);
}

/* ---------- 01 目录调整 ---------- */
.page-home .change-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .change {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  background: var(--warm);
  border-left: 4px solid var(--red);
}

.page-home .change-text {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--ink);
}

.page-home .change-when {
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--slate);
  white-space: nowrap;
}

.page-home .change-more {
  margin: 20px 0 0;
  padding: 15px 18px;
  background: var(--ink);
  color: var(--warm);
  font-size: var(--fs-14);
  line-height: 1.8;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-home .change-more a {
  color: var(--cyan);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid currentColor;
}

/* ---------- 02 分类总览 ---------- */
.page-home .catalog-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-home .cat-card {
  position: relative;
  display: grid;
  gap: 9px;
  align-content: start;
  padding: 20px 22px 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 5px solid var(--red);
  transition: transform 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-home .cat-card:hover {
  transform: translateY(-3px);
  border-color: var(--ink-2);
  border-left-color: var(--ink);
}

.page-home .cat-count {
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--red);
}

.page-home .cat-name {
  margin: 0;
  font-size: var(--fs-22);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .cat-desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--slate);
}

.page-home .cat-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 4px;
}

.page-home .cat-links a {
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 3px solid var(--line);
  padding-bottom: 2px;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-home .cat-links a:hover,
.page-home .cat-links a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--cyan);
}

.page-home .catalog-art {
  margin: 20px 0 0;
}

.page-home .catalog-art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* ---------- 03 两端同步 ---------- */
.page-home .sync-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 38px);
  align-items: center;
}

.page-home .sync-copy {
  min-width: 0;
}

.page-home .sync-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 20px;
  padding: 0;
  background: var(--ink-2);
}

.page-home .sync-stats li {
  display: grid;
  gap: 6px;
  padding: 14px 12px;
  background: var(--ink);
}

.page-home .sync-stats .stat-num {
  font-size: var(--fs-22);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-home .sync-stats .stat-label {
  font-size: var(--fs-14);
  line-height: 1.5;
  color: rgba(250, 246, 239, 0.74);
}

.page-home .sync-lead {
  margin: 0 0 16px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: rgba(250, 246, 239, 0.88);
}

.page-home .panel--ink .list-check li {
  color: rgba(250, 246, 239, 0.88);
}

.page-home .sync-path {
  margin: 20px 0 0;
  font-size: var(--fs-18);
  font-weight: 600;
  line-height: 1.8;
  color: var(--warm);
}

.page-home .panel--ink .path {
  color: var(--warm);
  border-bottom-color: var(--cyan);
}

.page-home .sync-art {
  margin: 0;
  min-width: 0;
}

.page-home .sync-art .figure-frame {
  background: var(--ink-2);
  border-left: 6px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
  overflow: hidden;
}

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

/* ---------- 04 客服 ---------- */
.page-home .service-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
}

.page-home .service-copy {
  min-width: 0;
}

.page-home .service-copy .sec-index {
  display: block;
  margin-bottom: 12px;
}

.page-home .service-lead {
  margin: 14px 0 22px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--slate);
}

.page-home .contact-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .contact-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line);
}

.page-home .contact-label {
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--red);
}

.page-home .contact-value {
  font-size: var(--fs-16);
  font-weight: 600;
  color: var(--ink);
  word-break: break-word;
}

.page-home .service-art {
  margin: 0;
  min-width: 0;
}

.page-home .service-art .figure-frame {
  background: var(--ink-2);
  border-left: 6px solid var(--amber);
  overflow: hidden;
}

.page-home .service-art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ---------- 05 高频问答 ---------- */
.page-home .faq-list {
  border-top: 1px solid var(--line);
}

.page-home .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-home .faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-18);
  font-weight: 700;
  color: var(--ink);
}

.page-home .faq-q::-webkit-details-marker {
  display: none;
}

.page-home .faq-q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-22);
  font-weight: 700;
  line-height: 1;
  color: var(--red);
}

.page-home .faq-item[open] .faq-q::after {
  content: "−";
  color: var(--cyan-deep);
}

.page-home .faq-item[open] .faq-q {
  color: var(--red);
}

.page-home .faq-a {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--slate);
}

.page-home .faq-more {
  margin-top: 22px;
}

/* ---------- 面板错位 ---------- */
@media (min-width: 1200px) {
  .page-home .home-sec--off1 {
    margin-left: 44px;
  }

  .page-home .home-sec--off2 {
    margin-right: 44px;
  }
}

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

  .page-home .contact-list li {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 760px) {
  .page-home .change {
    grid-template-columns: 108px minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-home .service-grid {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

  .page-home .sync-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

@media (min-width: 1000px) {
  .page-home .home-body {
    grid-template-columns: 196px minmax(0, 1fr);
  }

  .page-home .home-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    align-self: start;
  }

  .page-home .rail-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
    margin-bottom: 16px;
  }

  .page-home .rail-link {
    padding: 9px 0 9px 14px;
    background: transparent;
    border: none;
    border-left: 3px solid var(--line);
  }

  .page-home .rail-link:hover,
  .page-home .rail-link:focus-visible {
    background: transparent;
  }

  .page-home .rail-link[aria-current="true"] {
    background: transparent;
    border-left-color: var(--red);
  }
}

@media (min-width: 1080px) {
  .page-home .catalog-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 520px) {
  .page-home .path {
    white-space: normal;
  }

  .page-home .sec-head {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .sec-index {
    grid-row: auto;
    font-size: 1.6rem;
    line-height: 1;
    margin-bottom: 4px;
  }

  .page-home .sync-stats {
    grid-template-columns: minmax(0, 1fr);
  }
}