/**
 * index.css - 首页专属样式（视觉升级层）
 * 作用域：body.home-page，不影响其他页面
 *
 * 依赖加载顺序（index.html 中并行 link，替代 style-new.css 的 @import 串行链）：
 *   base.css → components.css → layout.css → hero.css → projects.css → responsive.css → index.css
 */

/* ========================
   页面级变量
   ======================== */
.home-page {
  --hero-grid-line: rgba(255, 255, 255, 0.035);
  --hero-blob-1: color-mix(in srgb, var(--primary) 16%, transparent);
  --hero-blob-2: color-mix(in srgb, var(--accent-secondary) 13%, transparent);
  --hero-blob-3: color-mix(in srgb, var(--accent) 9%, transparent);
  --tile-bg: color-mix(in srgb, var(--surface) 72%, transparent);
}

body[data-theme='light'].home-page {
  --hero-grid-line: rgba(15, 23, 42, 0.05);
  --hero-blob-1: color-mix(in srgb, var(--primary) 10%, transparent);
  --hero-blob-2: color-mix(in srgb, var(--accent-secondary) 8%, transparent);
  --hero-blob-3: color-mix(in srgb, var(--accent) 6%, transparent);
  --tile-bg: rgba(255, 255, 255, 0.75);
}

/* ========================
   首页桌面侧边导航
   ======================== */
@media (min-width: 769px) {
  .home-page .home-sidebar {
    width: 96px;
    padding: 1.25rem 0;
    background: transparent;
    border-right: none;
    box-shadow: none;
    pointer-events: none;
  }

  .home-page .home-sidebar::before {
    content: none;
  }

  .home-page .sidebar__logo,
  .home-page .sidebar__nav,
  .home-page .sidebar__footer {
    pointer-events: auto;
  }

  .home-page .sidebar__logo {
    width: 3rem;
    height: 3rem;
    margin: 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    background: color-mix(in srgb, var(--surface-elevated) 78%, transparent);
    -webkit-text-fill-color: currentColor;
    border: 1px solid color-mix(in srgb, var(--primary) 26%, var(--glass-border));
    border-radius: 1.1rem;
    text-decoration: none;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
    backdrop-filter: blur(18px) saturate(130%);
    -webkit-backdrop-filter: blur(18px) saturate(130%);
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  }

  .home-page .sidebar__logo:hover {
    border-color: color-mix(in srgb, var(--primary) 55%, var(--glass-border));
    background: color-mix(in srgb, var(--primary) 12%, var(--surface-elevated));
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(0, 217, 255, 0.12);
  }

  .home-page .sidebar__logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    font-weight: 900;
    line-height: 1;
  }

  .home-page .sidebar__logo-text {
    display: none;
  }

  .home-page .sidebar__nav {
    flex-grow: 0;
    width: 3.6rem;
    margin: auto auto 0;
    padding: 0.42rem;
    gap: 0.28rem;
    justify-content: center;
    border: 1px solid color-mix(in srgb, var(--glass-border) 82%, transparent);
    border-radius: 1.35rem;
    background: color-mix(in srgb, var(--surface-elevated) 62%, transparent);
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(20px) saturate(130%);
    -webkit-backdrop-filter: blur(20px) saturate(130%);
  }

  .home-page .sidebar__link {
    width: 2.55rem;
    height: 2.55rem;
    border: 1px solid transparent;
    border-radius: 0.95rem;
    color: color-mix(in srgb, var(--text-muted) 86%, transparent);
    background: transparent;
    box-shadow: none;
    overflow: visible;
    font-size: 1rem;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  }

  .home-page .sidebar__link-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border-radius: inherit;
  }

  .home-page .sidebar__link:hover {
    color: var(--text);
    background: color-mix(in srgb, var(--surface-elevated) 82%, transparent);
    border-color: color-mix(in srgb, var(--glass-border) 85%, transparent);
    transform: translateY(-1px);
  }

  .home-page .sidebar__link.active {
    color: var(--primary);
    background: color-mix(in srgb, var(--primary) 13%, transparent);
    border-color: color-mix(in srgb, var(--primary) 28%, transparent);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  }

  .home-page .sidebar__link:hover i,
  .home-page .sidebar__link.active i {
    transform: scale(1.05);
  }

  .home-page .sidebar__link::after {
    content: '';
    position: absolute;
    right: -0.48rem;
    width: 2px;
    height: 1rem;
    border-radius: var(--radius-full);
    background: var(--primary);
    opacity: 0;
    transform: scaleY(0.55);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .home-page .sidebar__link:hover::after {
    opacity: 0.28;
    transform: scaleY(0.85);
  }

  .home-page .sidebar__link.active::after {
    opacity: 1;
    transform: scaleY(1);
  }

  .home-page .sidebar__link::before {
    left: 3.85rem;
    padding: 0.42rem 0.66rem;
    border-color: color-mix(in srgb, var(--glass-border) 90%, transparent);
    border-radius: 0.7rem;
    background: color-mix(in srgb, var(--surface-elevated) 96%, transparent);
    color: var(--text);
    font-size: 0.74rem;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
  }

  .home-page .sidebar__footer {
    width: 3.6rem;
    margin: 0.85rem auto 0;
    padding: 0.42rem;
    gap: 0.28rem;
    border: 1px solid color-mix(in srgb, var(--glass-border) 82%, transparent);
    border-radius: 1.25rem;
    background: color-mix(in srgb, var(--surface-elevated) 58%, transparent);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
    backdrop-filter: blur(20px) saturate(130%);
    -webkit-backdrop-filter: blur(20px) saturate(130%);
  }

  .home-page .sidebar__footer::before {
    display: none;
  }

  .home-page .sidebar__footer .sidebar__link,
  .home-page .sidebar__footer .theme-toggle {
    width: 2.35rem;
    height: 2.35rem;
    min-width: 2.35rem;
    min-height: 2.35rem;
    margin: 0;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 0.88rem;
    background: transparent;
    color: var(--text-muted);
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, transform 0.2s ease;
  }

  .home-page .sidebar__footer .negiao-lang-toggle {
    width: auto;
    min-width: 2.35rem;
    height: 1.75rem;
    min-height: 1.75rem;
    margin: 0;
    padding: 0 0.45rem;
    border: 1px solid transparent;
    border-radius: 999px;
    background: transparent;
    color: var(--text-muted);
    box-shadow: none;
    font-size: 0.62rem;
    font-weight: 850;
    letter-spacing: 0.06em;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, transform 0.2s ease;
  }

  .home-page .sidebar__footer .sidebar__link:hover,
  .home-page .sidebar__footer .theme-toggle:hover,
  .home-page .sidebar__footer .negiao-lang-toggle:hover {
    color: var(--primary);
    border-color: color-mix(in srgb, var(--primary) 24%, transparent);
    background: color-mix(in srgb, var(--primary) 10%, transparent);
    transform: translateY(-1px);
  }

  .home-page .sidebar__footer .sidebar__link::after {
    display: none;
  }

  .home-page .main-content-wrapper {
    margin-left: 96px;
    width: calc(100% - 96px);
  }
}


.home-page .section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.home-page .social-links {
  display: flex;
  gap: var(--space-lg);
}

.home-page .social-link {
  color: var(--text-muted);
  font-size: 1.25rem;
  transition: all var(--transition-fast);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
}

.home-page .social-link:hover {
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  transform: translateY(-2px);
  text-decoration: none;
}

.home-page * {
  scrollbar-width: thin;
  scrollbar-color: var(--border) var(--background-secondary);
}

/* ========================
   区块标题组件
   ======================== */
.home-page .section-head {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.home-page .section-head__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.home-page .section-head__eyebrow::before,
.home-page .section-head__eyebrow::after {
  content: '';
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary));
}

.home-page .section-head__eyebrow::after {
  background: linear-gradient(90deg, var(--primary), transparent);
}

.home-page .section-head__title {
  font-size: clamp(1.7rem, 3.6vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-sm);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.home-page .section-head__sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0 auto;
  max-width: 560px;
  line-height: 1.6;
}

/* ========================
   Hero 升级
   ======================== */
.home-page .section--hero {
  /* 严格一屏：CSS 兜底 100svh，main-enhanced.js 会以精确像素高度覆盖（解决移动端地址栏 100vh 偏差） */
  height: 100vh;
  height: 100svh;
  min-height: 0;
  /* 底部留出滚动提示的位置 */
  padding: max(0.75rem, 1.5vh) 0 max(2.4rem, 4vh);
  overflow: hidden;
}

/* 一屏内的纵向节奏：全部随视口高度压缩，杜绝溢出 */
.home-page .avatar-container {
  width: min(var(--dynamic-avatar-container, 224px), 24vh);
  height: min(var(--dynamic-avatar-container, 224px), 24vh);
  margin: 0 auto clamp(0.6rem, 2vh, 1.8rem);
}

.home-page .avatar {
  width: min(var(--dynamic-avatar, 200px), 21.5vh);
  height: min(var(--dynamic-avatar, 200px), 21.5vh);
}

.home-page .hero__title {
  font-size: min(clamp(2.2rem, 6vw, 5rem), 9vh);
  margin-bottom: clamp(0.4rem, 1.4vh, 1.4rem);
}

/* 停用旧的大圆环装饰，由 hero-bg 接管 */
.home-page .section--hero::after {
  display: none;
}

.home-page .hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
}

/* GIS 网格底纹：中心径向淡出 */
.home-page .hero-bg__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--hero-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--hero-grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 35%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 35%, transparent 78%);
}

/* 极光色斑：仅 transform 动画，GPU 合成，成本极低 */
.home-page .hero-bg__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  will-change: transform;
}

.home-page .hero-bg__blob--1 {
  width: 46vw;
  height: 46vw;
  max-width: 640px;
  max-height: 640px;
  background: radial-gradient(circle, var(--hero-blob-1) 0%, transparent 70%);
  top: -12%;
  right: -8%;
  animation: home-drift-1 36s ease-in-out infinite alternate;
}

.home-page .hero-bg__blob--2 {
  width: 34vw;
  height: 34vw;
  max-width: 480px;
  max-height: 480px;
  background: radial-gradient(circle, var(--hero-blob-2) 0%, transparent 70%);
  bottom: -10%;
  left: -6%;
  animation: home-drift-2 44s ease-in-out infinite alternate;
}

.home-page .hero-bg__blob--3 {
  width: 22vw;
  height: 22vw;
  max-width: 320px;
  max-height: 320px;
  background: radial-gradient(circle, var(--hero-blob-3) 0%, transparent 70%);
  top: 52%;
  left: 24%;
  animation: home-drift-3 30s ease-in-out infinite alternate;
}

@keyframes home-drift-1 {
  to { transform: translate(-6%, 8%) scale(1.08); }
}

@keyframes home-drift-2 {
  to { transform: translate(7%, -6%) scale(0.94); }
}

@keyframes home-drift-3 {
  to { transform: translate(5%, 6%) scale(1.12); }
}

/* 问候语 */
.home-page .hero__greeting {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.home-page .hero__greeting::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px color-mix(in srgb, var(--success) 60%, transparent);
}

/* 标题微光扫过 */
.home-page .hero__title {
  background: linear-gradient(
    110deg,
    #00d9ff 0%, #0ea5e9 28%, #3b82f6 46%, #7dd3fc 52%, #3b82f6 58%, #00d9ff 100%
  );
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: home-title-sheen 9s linear infinite;
}

body[data-theme='light'].home-page .hero__title {
  background: linear-gradient(
    110deg,
    #2563eb 0%, #1d4ed8 30%, #3b82f6 48%, #93c5fd 52%, #3b82f6 56%, #2563eb 100%
  );
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
}

@keyframes home-title-sheen {
  0% { background-position: 0% 0; }
  100% { background-position: -220% 0; }
}

.home-page .hero__subtitle {
  display: flex;
  justify-content: center;
  margin: 0.3rem auto clamp(0.6rem, 1.8vh, 1.5rem);
  max-width: min(435px, 100%);
  min-height: 0;
}

.home-page .hero__subtitle img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: max(34px, 5vh);
  margin: 0 auto;
}

.home-page .hero__greeting {
  margin-bottom: clamp(0.2rem, 0.8vh, 0.6rem);
}

.home-page .hero-tech-badges {
  margin-bottom: clamp(0.7rem, 2vh, 2rem);
}

.home-page .hero__actions {
  margin-top: 0;
  margin-bottom: clamp(0.9rem, 2.6vh, 3rem);
  gap: clamp(0.6rem, 1.4vw, 1.5rem);
}

/* ========================
   快速通道（中转强化）
   ======================== */
.home-page .quick-nav {
  max-width: 860px;
  margin: 0 auto;
}

.home-page .quick-nav__label {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-disabled);
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  margin: 0 0 clamp(0.5rem, 1.2vh, 1rem);
  justify-content: center;
}

.home-page .quick-nav__label::before,
.home-page .quick-nav__label::after {
  content: '';
  flex: 1;
  max-width: 180px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border));
}

.home-page .quick-nav__label::after {
  background: linear-gradient(90deg, var(--border), transparent);
}

.home-page .quick-nav__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-sm);
}

.home-page .quick-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 0.5rem 0.8rem;
  background: var(--tile-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-decoration: none;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, color 0.22s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.home-page .quick-tile i {
  font-size: 1.15rem;
  color: var(--primary);
  transition: transform 0.22s ease;
}

.home-page .quick-tile:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--primary) 45%, transparent);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18), 0 0 18px color-mix(in srgb, var(--primary) 14%, transparent);
  color: var(--text);
  text-decoration: none;
}

.home-page .quick-tile:hover i {
  transform: scale(1.15);
}

/* 向下滚动提示 */
.home-page .hero-scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  color: var(--text-disabled);
  font-size: 0.85rem;
  animation: home-cue 2.2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes home-cue {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.55; }
  50% { transform: translateX(-50%) translateY(6px); opacity: 1; }
}

/* ========================
   项目卡片升级
   ======================== */
.home-page .projects-grid {
  gap: var(--space-xl);
}

.home-page .project-item {
  border-radius: var(--radius-xl);
  background: linear-gradient(
    160deg,
    color-mix(in srgb, var(--surface) 92%, var(--primary) 8%) 0%,
    var(--surface) 38%
  );
  isolation: isolate;
}

body[data-theme='light'].home-page .project-item {
  background: #ffffff;
}

/* 序号改为大水印 */
.home-page .project-number {
  position: absolute;
  top: 0.4rem;
  right: 0.9rem;
  font-size: 4.6rem;
  font-weight: 800;
  color: color-mix(in srgb, var(--primary) 9%, transparent);
  z-index: -1;
  user-select: none;
}

body[data-theme='light'].home-page .project-number {
  color: color-mix(in srgb, var(--primary) 12%, transparent);
}

.home-page .project-header {
  margin-bottom: var(--space-md);
}

.home-page .project-label {
  background: color-mix(in srgb, var(--primary) 14%, transparent);
  color: var(--primary);
  border: 1px solid color-mix(in srgb, var(--primary) 22%, transparent);
  border-radius: var(--radius-full);
  font-weight: 600;
}

.home-page .project-title {
  transition: color 0.25s ease;
}

.home-page .project-item:hover .project-title {
  color: var(--primary);
}

.home-page .project-tags {
  margin-bottom: var(--space-lg);
}

.home-page .project-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28), 0 0 24px color-mix(in srgb, var(--primary) 10%, transparent);
}

body[data-theme='light'].home-page .project-item:hover {
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
}

/* ========================
   研究专题：城市卡片
   ======================== */
.home-page .research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: 1100px;
  margin: 0 auto;
}

.home-page .research-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: relative;
  overflow: hidden;
}

.home-page .research-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-cool);
  opacity: 0;
  transition: opacity 0.22s ease;
}

.home-page .research-card__icon {
  flex: none;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--accent-secondary) 14%, transparent);
  color: var(--accent-secondary);
  font-size: 1.05rem;
  transition: transform 0.22s ease;
}

.home-page .research-card__body {
  min-width: 0;
}

.home-page .research-card__city {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.2rem;
}

.home-page .research-card__meta {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin: 0;
}

.home-page .research-card__arrow {
  margin-left: auto;
  color: var(--text-disabled);
  font-size: 0.85rem;
  transition: transform 0.22s ease, color 0.22s ease;
}

.home-page .research-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent-secondary) 45%, transparent);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
  text-decoration: none;
}

.home-page .research-card:hover::before {
  opacity: 1;
}

.home-page .research-card:hover .research-card__icon {
  transform: scale(1.1) rotate(-6deg);
}

.home-page .research-card:hover .research-card__arrow {
  transform: translateX(4px);
  color: var(--accent-secondary);
}

body[data-theme='light'].home-page .research-card:hover {
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.1);
}

/* ========================
   联系卡片微调
   ======================== */
.home-page #contact .card {
  padding: var(--space-xl) var(--space-2xl);
}

.home-page .contact-card-icon {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.home-page #contact .card:hover .contact-card-icon {
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--primary) 25%, transparent);
}

/* ========================
   页脚（基础 + 微调）
   ======================== */
.home-page .footer {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  background: var(--background-secondary);
}

.home-page .footer__content {
  max-width: 800px;
  margin: 0 auto;
}

.home-page .footer__contact-panel {
  background: color-mix(in srgb, var(--surface) 55%, transparent);
  border: 1px solid var(--glass-border);
}

.home-page .footer__copyright-text {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
}

/* ========================
   响应式
   ======================== */
@media (max-width: 1024px) {
  .home-page .quick-nav__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .home-page .research-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .home-page .section {
    padding: var(--space-3xl) 0;
  }

  /* 移动端同样严格一屏：进一步压缩纵向节奏 */
  .home-page .section--hero {
    padding: max(0.5rem, 1vh) 0 max(1rem, 2vh);
  }

  .home-page .avatar-container {
    width: min(var(--dynamic-avatar-container, 160px), 19vh);
    height: min(var(--dynamic-avatar-container, 160px), 19vh);
    margin-bottom: clamp(0.5rem, 1.5vh, 1.2rem);
  }

  .home-page .avatar {
    width: min(var(--dynamic-avatar, 140px), 17vh);
    height: min(var(--dynamic-avatar, 140px), 17vh);
  }

  .home-page .hero__title {
    font-size: min(clamp(2rem, 9vw, 3rem), 6.5vh);
  }

  .home-page .hero-tech-badges {
    gap: 0.5rem;
    margin-bottom: clamp(0.6rem, 1.6vh, 1.2rem);
  }

  .home-page .hero-tech-badges .tech-badge {
    font-size: 0.72rem;
    padding: 0.35rem 0.7rem;
  }

  .home-page .hero__actions {
    gap: 0.5rem;
    margin-bottom: clamp(0.8rem, 2vh, 1.6rem);
  }

  .home-page .hero__actions .btn {
    padding: 0.55rem 1rem;
    font-size: 0.85rem;
  }

  .home-page .hero__actions .btn--large {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }

  .home-page .hero-scroll-cue {
    display: none;
  }

  .home-page .project-number {
    font-size: 3.4rem;
  }

  .home-page .hero-bg__blob {
    filter: blur(50px);
  }
}

@media (max-width: 576px) {
  .home-page .quick-nav__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
  }

  .home-page .quick-tile {
    font-size: 0.74rem;
    padding: 0.55rem 0.3rem 0.5rem;
    gap: 0.35rem;
  }

  .home-page .quick-tile i {
    font-size: 1rem;
  }

  .home-page .research-grid {
    grid-template-columns: 1fr;
  }

  .home-page .research-card {
    padding: var(--space-md) var(--space-lg);
  }
}

/* ========================
   矮视口压缩（保证一屏装下）
   ======================== */
@media (max-height: 760px) {
  .home-page .hero__greeting {
    display: none;
  }

  .home-page .quick-tile {
    padding: 0.55rem 0.4rem 0.5rem;
    gap: 0.3rem;
    font-size: 0.74rem;
  }

  .home-page .quick-tile i {
    font-size: 1rem;
  }

  .home-page .hero-scroll-cue {
    display: none;
  }
}

/* 极矮视口（横屏手机等）：一屏确实装不下时允许滚动，避免内容被裁切 */
@media (max-height: 520px) {
  .home-page .section--hero {
    height: auto !important;
    min-height: 100vh;
    min-height: 100svh;
  }
}

/* ========================
   动效偏好与降级
   ======================== */
@media (prefers-reduced-motion: reduce) {
  .home-page .hero-bg__blob,
  .home-page .hero__title,
  .home-page .hero-scroll-cue {
    animation: none !important;
  }
}