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

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(28px, 4.5vw, 64px) 0 clamp(52px, 7vw, 104px);
  background:
    radial-gradient(120% 90% at 84% -12%, rgba(74, 134, 255, .20), transparent 58%),
    radial-gradient(80% 60% at 0% 104%, rgba(79, 224, 208, .09), transparent 62%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
}

.page-home .hero__texture {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .13;
  pointer-events: none;
}

.page-home .hero__texture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 16%;
}

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

.page-home .hero__crumb {
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-home .hero__title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(46px, 9.2vw, 132px);
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-home .hero__lede {
  max-width: 56ch;
  margin: clamp(16px, 2vw, 26px) 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: #C9D3E4;
}

/* 三条入口 */
.page-home .entryrow {
  display: grid;
  gap: clamp(12px, 1.4vw, 18px);
  margin-top: clamp(26px, 3.4vw, 44px);
  grid-template-columns: 1fr;
}

@media (min-width: 780px) {
  .page-home .entryrow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .entrycard {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: clamp(16px, 1.6vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(20, 32, 58, .92), rgba(13, 26, 46, .92));
  color: inherit;
  text-decoration: none;
  transition: transform .24s var(--ease), border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-home .entrycard:hover {
  transform: translateY(-2px);
  border-color: rgba(79, 224, 208, .55);
}

.page-home .entrycard:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.page-home .entrycard__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid rgba(74, 134, 255, .5);
  background: rgba(74, 134, 255, .16);
  color: var(--blue-soft);
  font-size: 12px;
  font-weight: 700;
}

.page-home .entrycard__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-home .entrycard__desc {
  flex: 1;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .entrycard__go {
  font-size: 13px;
  font-weight: 700;
  color: var(--teal);
}

.page-home .entrycard__go::after {
  content: " →";
}

/* 首屏三栏 */
.page-home .hero__grid {
  display: grid;
  gap: clamp(12px, 1.6vw, 20px);
  margin-top: clamp(24px, 3vw, 40px);
  grid-template-columns: 1fr;
}

@media (min-width: 980px) {
  .page-home .hero__grid {
    grid-template-columns: 24% minmax(0, 1fr) 27%;
    align-items: start;
  }
}

.page-home .hero__col {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.4vw, 18px);
  min-width: 0;
}

.page-home .hpane {
  min-width: 0;
  padding: clamp(16px, 1.5vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(13, 26, 46, .74);
}

.page-home .hpane--wide {
  background: rgba(20, 32, 58, .82);
}

.page-home .hpane__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--blue-soft);
}

.page-home .hpane__note {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--mist);
}

.page-home .hsteps {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-home .hsteps li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 13.5px;
  line-height: 1.62;
  color: #C9D3E4;
}

.page-home .hsteps__num {
  flex: none;
  font-size: 12px;
  font-weight: 700;
  color: var(--teal);
}

.page-home .chanlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .chanlist li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 13.5px;
}

.page-home .chanlist li:last-child {
  border-bottom: 0;
}

.page-home .chanlist__name {
  color: #C9D3E4;
}

.page-home .hero__deco {
  position: absolute;
  left: var(--gutter);
  bottom: -.14em;
  z-index: 0;
  font-family: var(--font-display);
  font-size: clamp(120px, 20vw, 300px);
  font-weight: 900;
  line-height: .8;
  letter-spacing: -.04em;
  color: var(--ink);
  opacity: .07;
  pointer-events: none;
  user-select: none;
}

@media (min-width: 1100px) {
  .page-home .hero__deco {
    left: calc(var(--rail) + var(--gutter));
  }
}

/* ---------- 章节索引条 ---------- */
.page-home .locator {
  position: sticky;
  top: var(--frame-top);
  z-index: 6;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(10, 17, 32, .9);
  backdrop-filter: blur(10px);
}

.page-home .locator__inner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 10px;
  padding-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-home .locator__label {
  flex: none;
  margin-right: 4px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-home .locator__link {
  flex: none;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-home .locator__link:hover {
  color: var(--ink);
  border-color: var(--blue);
}

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

.page-home .locator__link[aria-current="true"] {
  color: var(--bg);
  background: var(--teal);
  border-color: var(--teal);
  font-weight: 700;
}

/* ---------- 通用章节标题 ---------- */
.page-home .section-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-home .section-head .lede {
  max-width: 62ch;
  margin-top: 14px;
}

/* ---------- 资料库速览 ---------- */
.page-home .statgrid {
  display: grid;
  gap: clamp(12px, 1.6vw, 20px);
  margin-top: clamp(24px, 3vw, 38px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 780px) {
  .page-home .statgrid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-home .stat {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: clamp(16px, 1.8vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(13, 26, 46, .72);
}

.page-home .stat__num {
  font-size: clamp(24px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--teal);
}

.page-home .stat__label {
  font-size: 13px;
  line-height: 1.62;
  color: var(--mist);
}

.page-home .libnotes {
  list-style: none;
  margin: clamp(20px, 2.8vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .page-home .libnotes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .libnotes li {
  padding-left: 16px;
  border-left: 2px solid var(--line);
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-home .libnotes strong {
  display: block;
  margin-bottom: 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-home .libcta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 2.6vw, 32px);
}

/* ---------- 排查三步 ---------- */
.page-home .steps {
  list-style: none;
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  grid-template-columns: 1fr;
}

@media (min-width: 840px) {
  .page-home .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .step {
  min-width: 0;
  padding: clamp(18px, 2vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(20, 32, 58, .6);
}

.page-home .step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 13px;
  border: 1px solid rgba(74, 134, 255, .46);
  border-radius: 999px;
  background: rgba(74, 134, 255, .15);
  color: var(--blue-soft);
  font-size: 14px;
  font-weight: 700;
}

.page-home .step__title {
  margin: 0 0 9px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-home .step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 更新节奏 ---------- */
.page-home .pace {
  display: grid;
  gap: clamp(20px, 3vw, 44px);
  grid-template-columns: 1fr;
  align-items: center;
}

@media (min-width: 900px) {
  .page-home .pace {
    grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr);
  }
}

.page-home .pace__media .media-frame {
  margin: 0;
}

.page-home .pace__body .lede {
  margin-top: 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: #C9D3E4;
}

.page-home .pacelist {
  list-style: none;
  margin: clamp(18px, 2.2vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .pacelist li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(13, 26, 46, .68);
  font-size: 14.5px;
  line-height: 1.74;
  color: #C9D3E4;
}

.page-home .pacelist__time {
  flex: none;
  min-width: 64px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--amber);
}

/* ---------- 版本对照 ---------- */
.page-home .compare {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(24px, 3vw, 36px);
  grid-template-columns: 1fr;
}

@media (min-width: 820px) {
  .page-home .compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-home .compare__col {
  min-width: 0;
  padding: clamp(18px, 2.2vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-home .compare__col--old {
  border-color: rgba(228, 87, 61, .34);
  background: rgba(228, 87, 61, .07);
}

.page-home .compare__col--new {
  border-color: rgba(47, 191, 143, .34);
  background: rgba(47, 191, 143, .08);
}

.page-home .compare__col h3 {
  margin: 0 0 15px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-home .compare__col--old h3 {
  color: #F09B8C;
}

.page-home .compare__col--new h3 {
  color: #7FE2C0;
}

.page-home .compare__col ol {
  margin: 0;
  padding-left: 1.3em;
  display: grid;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.74;
  color: #C9D3E4;
}

.page-home .compare__col li::marker {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-home .media-frame {
  margin-top: clamp(20px, 2.6vw, 32px);
}

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

/* ---------- 收束入口 ---------- */
.page-home .springboard {
  padding-bottom: clamp(64px, 9vw, 128px);
}

.page-home .springboard__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.4vw, 28px);
}

.page-home .springboard__note {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .springboard__note a {
  color: var(--blue-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .springboard .lede {
  margin-top: 12px;
  max-width: 56ch;
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .entrycard,
  .page-home .locator__link {
    transition: none;
  }
  .page-home .entrycard:hover {
    transform: none;
  }
}