.page-home {
  --hero-min-h: 520px;
  --card-translate: -6px;
  --quick-gap: 20px;
  display: block;
  width: 100%;
  background-color: var(--bg-dark, #1A1A2E);
  color: var(--text-light, #F0F0F0);
}

/* ------- 容器 ------- */
.page-home__container {
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  padding: 0 16px;
}

/* ------- 面包屑 ------- */
.page-home__breadcrumb {
  padding: 18px 0 10px;
  font-size: 0.85rem;
  color: var(--text-muted, #A0A0A0);
  font-family: var(--font-mono, monospace);
  letter-spacing: 0.5px;
}

/* ------- 首屏分屏 ------- */
.page-home__hero {
  display: flex;
  flex-direction: column;
  min-height: var(--hero-min-h);
  padding: 32px 0 40px;
  gap: 30px;
}

.page-home__hero-left {
  flex: 1 1 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  order: 1;
}

.page-home__hero-title {
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(2.4rem, 8vw, 4.8rem);
  line-height: 1.1;
  margin: 0 0 10px;
  background: linear-gradient(135deg, var(--primary, #00BFFF) 0%, var(--accent, #FF4500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.page-home__hero-tagline {
  font-family: var(--font-mono, monospace);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--primary, #00BFFF);
  margin: 0 0 12px;
  letter-spacing: 1px;
  opacity: 0.9;
}

.page-home__hero-desc {
  font-family: var(--font-body, 'Open Sans', sans-serif);
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  line-height: 1.6;
  color: var(--text-secondary, #6B6B6B);
  margin: 0 0 28px;
  max-width: 480px;
}

.page-home__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-home__btn {
  padding: 12px 32px;
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: var(--radius-sm, 4px);
  transition: background-color var(--transition, 0.25s ease), transform var(--transition, 0.25s ease), box-shadow var(--transition, 0.25s ease);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid transparent;
}

.page-home__btn.btn--accent {
  background-color: var(--accent, #FF4500);
  color: #fff;
  border-color: var(--accent, #FF4500);
}

.page-home__btn.btn--accent:hover,
.page-home__btn.btn--accent:focus {
  background-color: var(--accent-dark, #DC143C);
  border-color: var(--accent-dark, #DC143C);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 69, 0, 0.35);
}

.page-home__btn.btn--outline {
  background-color: transparent;
  color: var(--primary, #00BFFF);
  border-color: var(--primary, #00BFFF);
}

.page-home__btn.btn--outline:hover,
.page-home__btn.btn--outline:focus {
  background-color: var(--primary, #00BFFF);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 191, 255, 0.3);
}

.page-home__hero-right {
  flex: 1 1 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  order: 0;
  min-height: 260px;
}

.page-home__hero-visual {
  width: 100%;
  max-width: 440px;
  height: auto;
  aspect-ratio: 1 / 1;
}

.page-home__svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* SVG 线条与图形——静态描边，悬停时触发简单变化 */
.page-home__svg-line {
  stroke-linecap: round;
  transition: stroke-width var(--transition, 0.25s ease), stroke-dashoffset var(--transition, 0.25s ease), opacity var(--transition, 0.25s ease);
}

.page-home__hero-visual:hover .page-home__svg-line {
  stroke-width: 4;
}

.page-home__svg-icon {
  transition: fill var(--transition, 0.25s ease), stroke-width var(--transition, 0.25s ease);
}

.page-home__hero-visual:hover .page-home__svg-icon {
  fill: rgba(0, 191, 255, 0.12);
}

.page-home__svg-dot {
  transition: r var(--transition, 0.25s ease), fill var(--transition, 0.25s ease);
}

.page-home__hero-visual:hover .page-home__svg-dot {
  r: 6;
}

/* ------- 快速入口 ------- */
.page-home__quick {
  padding: 40px 0 20px;
}

.page-home__section-title {
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin: 0 0 24px;
  color: var(--text-light, #F0F0F0);
  letter-spacing: 0.5px;
  position: relative;
  display: inline-block;
}

.page-home__section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 60%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary, #00BFFF), var(--accent, #FF4500));
  border-radius: 2px;
}

.page-home__quick-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--quick-gap);
}

.page-home__quick-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(0, 191, 255, 0.2);
  border-radius: var(--radius-md, 8px);
  text-decoration: none;
  color: var(--text-light, #F0F0F0);
  transition: background var(--transition, 0.25s ease), border-color var(--transition, 0.25s ease), transform var(--transition, 0.25s ease);
  cursor: pointer;
}

.page-home__quick-card:hover,
.page-home__quick-card:focus {
  background: rgba(0, 191, 255, 0.12);
  border-color: var(--primary, #00BFFF);
  transform: translateX(4px);
}

.page-home__quick-icon {
  font-size: 1.8rem;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 69, 0, 0.12);
  border-radius: 50%;
  color: var(--accent, #FF4500);
  flex-shrink: 0;
}

.page-home__quick-label {
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-weight: 600;
  font-size: 1.05rem;
  flex: 1;
  letter-spacing: 0.3px;
}

.page-home__quick-arrow {
  font-size: 1.3rem;
  color: var(--primary, #00BFFF);
  transition: transform var(--transition, 0.25s ease);
  flex-shrink: 0;
}

.page-home__quick-card:hover .page-home__quick-arrow {
  transform: translateX(4px);
}

/* ------- 核心功能卡片区 ------- */
.page-home__features {
  padding: 40px 0 20px;
}

.page-home__features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-home__feature-card {
  background: var(--surface, #FFFFFF);
  border-radius: var(--radius-md, 8px);
  padding: 28px 24px 32px;
  border: 1px solid var(--border-color, #DDE0E4);
  box-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.08));
  transition: transform var(--transition, 0.25s ease), box-shadow var(--transition, 0.25s ease), border-color var(--transition, 0.25s ease);
  display: flex;
  flex-direction: column;
}

.page-home__feature-card:hover,
.page-home__feature-card:focus-within {
  transform: translateY(var(--card-translate));
  box-shadow: var(--shadow-md, 0 6px 20px rgba(0,0,0,0.12));
  border-color: var(--primary, #00BFFF);
}

.card__icon {
  margin-bottom: 16px;
}

.page-home__card-svg {
  width: 52px;
  height: 52px;
  display: block;
}

.page-home__card-title {
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-weight: 700;
  font-style: italic;
  font-size: 1.4rem;
  margin: 0 0 10px;
  color: var(--text-primary, #222222);
  letter-spacing: 0.3px;
}

.page-home__card-text {
  font-family: var(--font-body, 'Open Sans', sans-serif);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary, #6B6B6B);
  margin: 0 0 18px;
  flex: 1;
}

.page-home__card-link {
  font-family: var(--font-mono, monospace);
  font-size: 0.9rem;
  color: var(--primary, #00BFFF);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition, 0.25s ease), padding-left var(--transition, 0.25s ease);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-home__card-link:hover,
.page-home__card-link:focus {
  color: var(--accent, #FF4500);
  padding-left: 4px;
}

/* ------- 图片展示区 ------- */
.page-home__gallery {
  padding: 40px 0 20px;
}

.page-home__gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-home__gallery-fig {
  margin: 0;
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 191, 255, 0.15);
  transition: border-color var(--transition, 0.25s ease);
}

.page-home__gallery-fig:hover {
  border-color: var(--primary, #00BFFF);
}

.page-home__gallery-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 800 / 400;
}

.page-home__gallery-cap {
  padding: 12px 16px;
  font-family: var(--font-mono, monospace);
  font-size: 0.82rem;
  color: var(--text-muted, #A0A0A0);
  letter-spacing: 0.5px;
  text-align: center;
  border-top: 1px solid rgba(0, 191, 255, 0.08);
}

/* ------- 信任声明 ------- */
.page-home__trust {
  padding: 28px 0 40px;
  text-align: center;
}

.page-home__trust-text {
  font-family: var(--font-body, 'Open Sans', sans-serif);
  font-size: 0.92rem;
  color: var(--text-muted, #A0A0A0);
  margin: 0;
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* ============================================= */
/* 桌面端 >= 768px                               */
/* ============================================= */
@media (min-width: 768px) {
  .page-home__container {
    padding: 0 32px;
  }

  .page-home__hero {
    flex-direction: row;
    padding: 48px 0 56px;
    gap: 40px;
  }

  .page-home__hero-left {
    order: 0;
  }

  .page-home__hero-right {
    order: 1;
    min-height: auto;
  }

  .page-home__quick-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home__quick-card {
    flex-direction: column;
    text-align: center;
    padding: 24px 16px;
  }

  .page-home__quick-icon {
    width: 52px;
    height: 52px;
    font-size: 2rem;
  }

  .page-home__quick-arrow {
    align-self: center;
  }

  .page-home__features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .page-home__gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .page-home__trust-text {
    font-size: 0.96rem;
  }
}

/* ============================================= */
/* 大桌面 >= 1024px                              */
/* ============================================= */
@media (min-width: 1024px) {
  .page-home__container {
    padding: 0 40px;
  }

  .page-home__hero {
    padding: 56px 0 72px;
    gap: 60px;
  }

  .page-home__features-grid {
    gap: 32px;
  }

  .page-home__gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-home__feature-card {
    padding: 32px 28px 36px;
  }
}

/* ============================================= */
/* 超大桌面 >= 1400px                            */
/* ============================================= */
@media (min-width: 1400px) {
  .page-home__container {
    padding: 0 60px;
  }

  .page-home__hero {
    padding: 64px 0 80px;
  }
}