/* ============ 首页 · 索引封面与面板墙 ============ */

.page-home {
  display: block;
  background: var(--ink);
  color: var(--paper-2);
}

/* --- 12 大类色块映射 --- */
.page-home [data-cat="1"]  { --cat: var(--cat-1); }
.page-home [data-cat="2"]  { --cat: var(--cat-2); }
.page-home [data-cat="3"]  { --cat: var(--cat-3); }
.page-home [data-cat="4"]  { --cat: var(--cat-4); }
.page-home [data-cat="5"]  { --cat: var(--cat-5); }
.page-home [data-cat="6"]  { --cat: var(--cat-6); }
.page-home [data-cat="7"]  { --cat: var(--cat-7); }
.page-home [data-cat="8"]  { --cat: var(--cat-8); }
.page-home [data-cat="9"]  { --cat: var(--cat-9); }
.page-home [data-cat="10"] { --cat: var(--cat-10); }
.page-home [data-cat="11"] { --cat: var(--cat-11); }
.page-home [data-cat="12"] { --cat: var(--cat-12); }

/* ============ 首屏 ============ */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(104px, 16vh, 168px) 0 clamp(48px, 7vw, 76px);
  border-bottom: 1px solid var(--gold-line);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-home .hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
}

.page-home .hero__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(128% 88% at 8% 26%, rgba(7, 19, 34, 0.94) 0%, rgba(11, 26, 43, 0.7) 45%, rgba(11, 26, 43, 0.97) 100%),
    linear-gradient(180deg, rgba(7, 19, 34, 0.9) 0%, rgba(11, 26, 43, 0.96) 100%);
}

.page-home .hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 48px);
  align-items: end;
}

.page-home .hero__eyebrow {
  margin: 0 0 18px;
  color: var(--gold-soft);
  letter-spacing: 0.16em;
}

.page-home .hero__title-wrap {
  position: relative;
  overflow: hidden;
  padding: 6px 0 14px;
}

.page-home .hero__ghost {
  position: absolute;
  right: -0.04em;
  bottom: -0.34em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(64px, 11vw, 160px);
  line-height: 1;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: rgba(201, 162, 39, 0.05);
  -webkit-text-stroke: 1px rgba(201, 162, 39, 0.18);
  pointer-events: none;
  user-select: none;
}

.page-home .hero__title {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 14em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 6.2vw, 84px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .hero__lead {
  max-width: 36em;
  margin: 22px 0 0;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.82;
  color: var(--paper-2);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* 首屏 12 大类速览 */
.page-home .hero__quick {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  padding: 14px;
  border: 1px solid rgba(242, 237, 228, 0.1);
  border-radius: var(--radius);
  background: rgba(7, 19, 34, 0.58);
  backdrop-filter: blur(8px);
}

.page-home .qk {
  display: flex;
  align-items: baseline;
  gap: 5px;
  min-width: 0;
  padding: 7px 8px;
  border-left: 3px solid var(--cat, var(--cat-1));
  background: rgba(19, 39, 61, 0.68);
  color: var(--paper-2);
  text-decoration: none;
  font-size: 12px;
  line-height: 1.3;
  transition: background 0.18s ease, color 0.18s ease;
}

.page-home .qk:hover,
.page-home .qk:focus-visible {
  background: rgba(19, 39, 61, 0.98);
  color: var(--paper);
}

.page-home .qk__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-home .qk__name {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* ============ 主体骨架 ============ */
.page-home .home-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: clamp(40px, 6vw, 80px) 0 clamp(60px, 8vw, 100px);
}

/* 左侧索引轨道 */
.page-home .home-rail__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-home .home-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .home-rail__list::-webkit-scrollbar {
  display: none;
}

.page-home .home-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid rgba(201, 162, 39, 0.28);
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-home .home-rail__link:hover,
.page-home .home-rail__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(63, 224, 206, 0.06);
}

.page-home .home-rail__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

/* ============ 章节通用 ============ */
.page-home .home-sec {
  padding-bottom: clamp(52px, 7vw, 88px);
  scroll-margin-top: 96px;
}

.page-home .home-sec:last-child {
  padding-bottom: 0;
}

.page-home .sec-head {
  display: grid;
  gap: 10px;
  padding-bottom: 20px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--gold-line);
}

.page-home .sec-head__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .sec-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .sec-head__lead {
  max-width: 42em;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ============ 12 大类面板墙 ============ */
.page-home .wall-banner {
  margin: 0 0 26px;
  border-radius: var(--radius);
}

.page-home .wall-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 22px;
  padding: 0;
  border: 0;
  background: none;
}

.page-home .wall-filter .filter-btn {
  padding: 6px 13px;
  border: 1px solid rgba(242, 237, 228, 0.14);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.4;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-home .wall-filter .filter-btn:hover {
  color: var(--paper);
  border-color: var(--gold-line);
}

.page-home .wall-filter .filter-btn[aria-pressed="true"] {
  color: var(--ink-deep);
  background: var(--gold);
  border-color: var(--gold);
  font-weight: 700;
}

.page-home .wall-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(158px, 1fr));
  gap: 10px;
}

.page-home .cat-card {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 18px 16px 20px 18px;
  overflow: hidden;
  border: 1px solid rgba(242, 237, 228, 0.07);
  border-left: 4px solid var(--cat, var(--cat-1));
  border-radius: var(--radius);
  background: var(--ink-2);
  color: var(--paper-2);
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-home .cat-card::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -36px;
  width: 112px;
  height: 112px;
  border-radius: 50%;
  background: var(--cat, var(--cat-1));
  opacity: 0.08;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.page-home .cat-card:hover,
.page-home .cat-card:focus-visible {
  transform: translateY(-3px);
  background: var(--ink-3);
  border-color: var(--cat, var(--cat-1));
}

.page-home .cat-card:hover::after,
.page-home .cat-card:focus-visible::after {
  opacity: 0.18;
  transform: scale(1.12);
}

.page-home .cat-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cat, var(--cat-1));
  filter: brightness(1.4) saturate(1.05);
}

.page-home .cat-card__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.35;
  color: var(--paper);
}

.page-home .cat-card__desc {
  font-size: 13px;
  line-height: 1.68;
  color: var(--muted);
}

.page-home .filter-empty {
  margin: 18px 0 0;
  padding: 16px 18px;
  border: 1px dashed var(--coral-dim);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .filter-empty[data-visible="false"] {
  display: none;
}

/* ============ 客服记录 / 活动规则 ============ */
.page-home .entry-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-home .entry-media {
  max-width: 420px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  overflow: hidden;
}

.page-home .entry-stack {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .entry-item {
  display: grid;
  gap: 9px;
  padding: 24px 24px 26px;
}

.page-home .entry-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-home .entry-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.3;
  color: var(--paper);
}

.page-home .entry-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .entry-item .btn {
  justify-self: start;
  margin-top: 6px;
}

/* ============ 版本入口 ============ */
.page-home .ver-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-home .ver-stack {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .ver-item {
  display: grid;
  gap: 10px;
  padding: 24px 24px 26px;
  border-radius: var(--radius);
}

.page-home .ver-item__badge {
  justify-self: start;
  padding: 3px 10px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
}

.page-home .ver-item--gold .ver-item__badge {
  background: var(--gold);
  color: var(--ink-deep);
  font-weight: 700;
}

.page-home .ver-item--coral {
  border-left: 3px solid var(--coral);
}

.page-home .ver-item--coral .ver-item__badge {
  border: 1px solid var(--coral);
  color: var(--coral);
  background: transparent;
}

.page-home .ver-item--gold {
  border-left: 3px solid var(--gold);
}

.page-home .ver-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.3;
  color: var(--paper);
}

.page-home .ver-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .ver-item .btn {
  justify-self: start;
  margin-top: 6px;
}

.page-home .ver-media {
  margin: 0;
  border-radius: var(--radius);
}

/* ============ 换设备三步 ============ */
.page-home .steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .step {
  position: relative;
  padding: 34px 22px 24px;
  border-top: 2px solid var(--gold-line);
  border-radius: 0 0 var(--radius) var(--radius);
  background: linear-gradient(180deg, rgba(19, 39, 61, 0.72), rgba(19, 39, 61, 0.3));
}

.page-home .step__num {
  position: absolute;
  top: -17px;
  left: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--gold-line);
  border-radius: 50%;
  background: var(--ink-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-home .step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .step__more {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed rgba(242, 237, 228, 0.14);
}

.page-home .step__more summary {
  cursor: pointer;
  list-style: none;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--cyan);
}

.page-home .step__more summary::-webkit-details-marker {
  display: none;
}

.page-home .step__more summary::before {
  content: "＋ ";
  font-family: var(--font-mono);
}

.page-home .step__more[open] summary::before {
  content: "－ ";
}

.page-home .step__more p {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--muted);
}

/* ============ 更新节奏与收藏 ============ */
.page-home .rhythm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.page-home .stat {
  padding: 20px 18px 18px;
  border: 1px solid rgba(242, 237, 228, 0.07);
  border-bottom: 2px solid var(--gold);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.page-home .stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--gold-soft);
}

.page-home .stat__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.66;
  color: var(--muted);
}

.page-home .rhythm-note {
  display: grid;
  gap: 12px;
  padding: 26px 24px 28px;
}

.page-home .rhythm-note__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.34;
  color: var(--paper);
}

.page-home .rhythm-note p {
  max-width: 46em;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .rhythm-note__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

/* ============ 悬浮双入口徽章 ============ */
.page-home .float-dock {
  position: fixed;
  right: clamp(12px, 2.4vw, 30px);
  bottom: clamp(12px, 2.4vw, 30px);
  z-index: 40;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  width: min(236px, 64vw);
}

.page-home .dock-badge {
  display: grid;
  gap: 2px;
  padding: 12px 14px;
  border: 1px solid var(--gold-line);
  border-radius: var(--radius);
  background: rgba(7, 19, 34, 0.9);
  backdrop-filter: blur(10px);
  color: var(--paper-2);
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.page-home .dock-badge:hover,
.page-home .dock-badge:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: rgba(7, 19, 34, 0.97);
}

.page-home .dock-badge__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .dock-badge__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.3;
  color: var(--paper);
}

.page-home .dock-badge__hint {
  display: block;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 12px;
  line-height: 1.62;
  color: var(--muted);
  transition: max-height 0.28s ease, opacity 0.28s ease, margin-top 0.28s ease;
}

.page-home .dock-badge:hover .dock-badge__hint,
.page-home .dock-badge:focus-visible .dock-badge__hint {
  max-height: 6em;
  opacity: 1;
  margin-top: 5px;
}

.page-home .dock-badge--coral {
  border-color: var(--coral-dim);
}

.page-home .dock-badge--coral .dock-badge__num {
  color: var(--coral);
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-home .wall-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
  }

  .page-home .hero__quick {
    gap: 8px;
    padding: 16px;
  }
}

@media (min-width: 880px) {
  .page-home .entry-grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: 30px;
    align-items: center;
  }

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

  .page-home .ver-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 30px;
    align-items: stretch;
  }

  .page-home .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-home .rhythm-note {
    padding: 30px 32px 32px;
  }
}

@media (min-width: 1024px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.85fr) minmax(0, 1fr);
    gap: 56px;
  }

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

  .page-home .home-grid {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: 56px;
  }

  .page-home .home-rail {
    position: sticky;
    top: 108px;
  }

  .page-home .home-rail__list {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-home .home-rail__link {
    border-left-width: 2px;
  }

  .page-home .sec-head {
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 18px;
    row-gap: 8px;
    align-items: baseline;
  }

  .page-home .sec-head__num {
    grid-column: 1;
    align-self: start;
    padding-top: 8px;
  }

  .page-home .sec-head__title,
  .page-home .sec-head__lead {
    grid-column: 2;
  }
}

@media (max-width: 719px) {
  .page-home .float-dock {
    left: 12px;
    right: 12px;
    bottom: 12px;
    width: auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .page-home .dock-badge {
    padding: 10px 12px;
  }

  .page-home .dock-badge__hint {
    display: none;
  }

  .page-home .entry-media {
    max-width: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cat-card,
  .page-home .dock-badge,
  .page-home .qk,
  .page-home .home-rail__link,
  .page-home .dock-badge__hint {
    transition: none;
  }
}