/* 首页基础：负责宽纸面、状态条、编号章节与公共响应式骨架。 */
.home-main {
  background: var(--paper);
}

.home-main .container {
  width: min(calc(100% - 48px), var(--home-content-width));
}

.home-status-strip {
  min-height: 42px;
  border-bottom: 1px solid var(--line-strong);
  background: var(--paper-alt);
}

.home-status-inner {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  line-height: 1.4;
  text-transform: uppercase;
}

.home-status-inner span:last-child {
  color: var(--accent-text);
  text-align: right;
}

.home-system-section {
  position: relative;
  padding-block: clamp(64px, 8vw, 96px);
  border-bottom: 1px solid var(--line-strong);
  background: var(--paper);
}

.home-system-section-capabilities,
.home-system-section-platforms,
.home-system-section-downloads,
.home-faq-section {
  background: var(--paper-alt);
}

.home-section-side {
  position: absolute;
  top: clamp(64px, 8vw, 96px);
  left: max(6px, calc((100vw - var(--home-content-width)) / 2 - 34px));
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: rotate(180deg);
  writing-mode: vertical-rl;
}

.home-section-heading {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: end;
  margin-bottom: clamp(32px, 5vw, 48px);
}

.home-section-heading > div,
.home-section-heading > p {
  min-width: 0;
}

.home-section-code {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 var(--space-3);
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.home-section-code::before {
  width: 18px;
  height: 2px;
  flex: 0 0 auto;
  background: var(--accent);
  content: "";
}

.home-section-heading h2 {
  max-width: 620px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
}

.home-section-heading > p {
  max-width: 680px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.8;
}

@media (max-width: 960px) {
  .home-main .container {
    width: min(calc(100% - 40px), var(--home-content-width));
  }

  .home-section-side {
    display: none;
  }

  .home-section-heading {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}

@media (max-width: 720px) {
  .home-main .container {
    width: min(calc(100% - 28px), var(--home-content-width));
  }

  .home-status-inner {
    display: grid;
    justify-content: stretch;
    padding-block: 9px;
  }

  .home-status-inner span:last-child {
    text-align: left;
  }

  .home-system-section {
    padding-block: var(--space-7);
  }

  .home-section-heading {
    margin-bottom: var(--space-6);
  }
}

@media (max-width: 420px) {
  .home-main .container {
    width: min(calc(100% - 20px), var(--home-content-width));
  }

  .home-section-heading h2 {
    font-size: 1.85rem;
  }
}