.page-home {
  --home-grid-line: rgba(201, 191, 217, 0.10);
  --home-grid-size: 76px;
  overflow-x: clip;
  display: block;
}

.page-home [id] {
  scroll-margin-top: calc(var(--top-h) + 28px);
}

/* ---------- 首屏封面 ---------- */

.page-home .cover {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(46px, 9vw, 104px) 0 clamp(54px, 9vw, 112px);
  background:
    radial-gradient(120% 82% at 80% 4%, rgba(91, 42, 134, 0.46) 0%, rgba(14, 31, 26, 0) 64%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
}

.page-home .cover::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--home-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--home-grid-line) 1px, transparent 1px);
  background-size: var(--home-grid-size) var(--home-grid-size);
  -webkit-mask-image: radial-gradient(125% 95% at 24% 32%, #000 8%, transparent 76%);
  mask-image: radial-gradient(125% 95% at 24% 32%, #000 8%, transparent 76%);
}

.page-home .cover-art {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.24;
  pointer-events: none;
}

.page-home .cover-art img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: 72% 50%;
}

.page-home .cover-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 5vw, 54px);
}

@media (min-width: 1000px) {
  .page-home .cover-inner {
    grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
    align-items: end;
    gap: clamp(36px, 5vw, 64px);
  }
}

.page-home .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--lilac);
  opacity: 0.72;
}

.page-home .crumbs-sep {
  opacity: 0.5;
}

.page-home .cover-eyebrow {
  color: var(--gold);
  margin: 0 0 16px;
}

.page-home .cover h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.005em;
  color: var(--porcelain);
  margin: 0 0 22px;
  max-width: 15em;
}

.page-home .cover-lede {
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.85;
  color: var(--lilac);
  max-width: 48ch;
  margin: 0 0 30px;
}

.page-home .cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 封面索引面板 */

.page-home .cover-index {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, rgba(91, 42, 134, 0.24), rgba(26, 15, 46, 0.52));
  padding: 20px 16px 14px;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.page-home .cover-index__label {
  margin: 0 0 10px;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

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

.page-home .cover-index__list a {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 11px 10px;
  border-radius: 14px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-home .cover-index__list a:hover,
.page-home .cover-index__list a:focus-visible {
  background: rgba(139, 95, 191, 0.2);
  transform: translateX(3px);
}

.page-home .cover-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-home .cover-index__text {
  min-width: 0;
}

.page-home .cover-index__meta {
  display: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lilac);
  opacity: 0.82;
  white-space: nowrap;
}

@media (min-width: 480px) {
  .page-home .cover-index__list a {
    grid-template-columns: 28px minmax(0, 1fr) auto;
  }

  .page-home .cover-index__meta {
    display: inline;
  }
}

/* ---------- 通用区块结构 ---------- */

.page-home .sec-head {
  max-width: 68ch;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-home .sec-head h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(25px, 3.5vw, 38px);
  line-height: 1.24;
  color: var(--porcelain);
  margin: 0 0 16px;
}

.page-home .sec-head .lede {
  font-size: 15px;
  line-height: 1.85;
  color: var(--lilac);
  margin: 0;
}

.page-home .media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(26, 15, 46, 0.42);
  overflow: hidden;
}

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

.page-home .media-cap {
  margin: 0;
  padding: 10px 16px 13px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--lilac);
}

/* ---------- 新手指引 v3 ---------- */

.page-home .starter-grid {
  display: grid;
  gap: 26px;
}

@media (min-width: 900px) {
  .page-home .starter-grid {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 348px);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }
}

.page-home .starter-cards {
  display: grid;
  gap: 14px;
}

.page-home .starter-cards .num-card {
  display: grid;
  gap: 9px;
  align-content: start;
  padding: 22px 20px;
  border-radius: var(--radius);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-home .starter-cards .num-card:hover {
  border-color: rgba(212, 162, 76, 0.42);
  background: rgba(91, 42, 134, 0.2);
}

.page-home .starter-cards .num-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-home .starter-cards h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  color: var(--porcelain);
}

.page-home .starter-cards p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--lilac);
}

.page-home .starter-more {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--lilac);
}

.page-home .starter-more a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 162, 76, 0.38);
}

.page-home .starter-more a:hover {
  border-bottom-color: var(--gold);
}

/* ---------- 登录帮助索引 ---------- */

.page-home .login-grid {
  display: grid;
  gap: 26px;
}

@media (min-width: 900px) {
  .page-home .login-grid {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 372px);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }
}

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

.page-home .login-list li {
  border-bottom: 1px solid var(--line);
}

.page-home .login-list a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 8px;
  text-decoration: none;
  color: var(--text);
  transition: background 0.22s var(--ease), padding-left 0.22s var(--ease);
}

.page-home .login-list a:hover,
.page-home .login-list a:focus-visible {
  background: rgba(91, 42, 134, 0.2);
  padding-left: 14px;
}

.page-home .login-list__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-home .login-list__body {
  min-width: 0;
}

.page-home .login-list__title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--porcelain);
}

.page-home .login-list__hint {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--lilac);
}

.page-home .login-list__go {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--violet);
}

/* ---------- 资料库预览（浅色分区） ---------- */

.page-home .lib.section--porcelain {
  background: var(--porcelain);
}

.page-home .lib .sec-head h2 {
  color: var(--grape-deep);
}

.page-home .lib .sec-head .lede {
  color: rgba(44, 44, 44, 0.76);
}

.page-home .lib .eyebrow {
  color: var(--grape);
}

.page-home .lib .media {
  margin-bottom: 30px;
  border-color: rgba(91, 42, 134, 0.16);
  background: rgba(91, 42, 134, 0.06);
}

.page-home .lib .media-cap {
  color: rgba(44, 44, 44, 0.66);
  border-top-color: rgba(91, 42, 134, 0.14);
}

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

@media (min-width: 820px) {
  .page-home .lib-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .lib-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border: 1px solid rgba(91, 42, 134, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.68);
}

.page-home .lib-item__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-home .lib-item__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--porcelain);
  background: var(--grape);
  border-radius: var(--pill);
  padding: 4px 11px;
}

.page-home .lib-item__stat {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #8a6220;
  background: rgba(212, 162, 76, 0.16);
  border-radius: var(--pill);
  padding: 3px 10px;
  white-space: nowrap;
}

.page-home .lib-item h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--plum);
}

.page-home .lib-item p {
  flex: 1;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(44, 44, 44, 0.74);
}

.page-home .lib-item__link {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--grape);
  text-decoration: none;
  border-bottom: 1px solid rgba(91, 42, 134, 0.36);
  padding-bottom: 2px;
}

.page-home .lib-item__link:hover {
  color: var(--grape-deep);
  border-bottom-color: var(--grape-deep);
}

/* ---------- 拆解方法 ---------- */

.page-home .method-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: none;
}

@media (min-width: 860px) {
  .page-home .method-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-home .method-step {
  position: relative;
  overflow: hidden;
  padding: 26px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(91, 42, 134, 0.22), rgba(26, 15, 46, 0.3));
}

.page-home .method-step::after {
  content: "";
  position: absolute;
  right: -34px;
  bottom: -34px;
  width: 122px;
  height: 122px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 162, 76, 0.16), transparent 70%);
  pointer-events: none;
}

.page-home .method-step__num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: rgba(212, 162, 76, 0.58);
}

.page-home .method-step h3 {
  position: relative;
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  color: var(--porcelain);
}

.page-home .method-step p {
  position: relative;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--lilac);
}

.page-home .method-note {
  margin: 28px 0 0;
  max-width: 82ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--lilac);
}

.page-home .method-note a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 162, 76, 0.36);
}

.page-home .method-note a:hover {
  border-bottom-color: var(--gold);
}

/* ---------- 减少动态 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-home .cover-index__list a,
  .page-home .login-list a,
  .page-home .starter-cards .num-card {
    transition: none;
  }

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