@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;700&display=swap');

/* ===== 变量 ===== */
:root {
  --c-bg: #1A1A2E;
  --c-accent: #E94560;
  --c-text: #F5F5F5;
  --c-text-muted: rgba(245,245,245,0.6);
  --c-surface: #16213E;
  --c-surface2: #0F3460;
  --c-border: rgba(245,245,245,0.1);
  --c-accent-dim: rgba(233,69,96,0.18);
  --radius-card: 28px;
  --radius-sm: 8px;
  --font-main: 'Atkinson Hyperlegible', system-ui, -apple-system, sans-serif;
  --max-w: 1200px;
  --nav-h: 100px;
  --transition: 0.3s ease;
}

/* ===== 重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-main);
  font-size: 17px;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--c-accent); text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.8; }
ul { list-style: none; }

/* ===== 通用容器 ===== */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(26,26,46,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
}

.brand-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 12px 24px;
  border-bottom: 1px solid var(--c-border);
}

.brand-center {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-img { height: 32px; width: auto; }

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: 0.04em;
}

.brand-tagline {
  font-size: 13px;
  color: var(--c-text-muted);
  display: none;
}

.nav-bar { padding: 0 24px; }

.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.nav-left a, .nav-right a {
  color: var(--c-text-muted);
  font-size: 14px;
  padding: 12px 10px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  transition: color var(--transition);
  border-bottom: 2px solid transparent;
}

.nav-left a:hover, .nav-right a:hover,
.nav-left a[aria-current="page"], .nav-right a[aria-current="page"] {
  color: var(--c-text);
  border-bottom-color: var(--c-accent);
  opacity: 1;
}

/* 搜索框 */
.search-form {
  display: flex;
  align-items: center;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 20px;
  overflow: hidden;
  padding: 0 4px 0 12px;
}

.search-form input {
  background: none;
  border: none;
  outline: none;
  color: var(--c-text);
  font-family: var(--font-main);
  font-size: 14px;
  width: 140px;
  padding: 8px 4px;
  min-height: 36px;
}

.search-form input::placeholder { color: var(--c-text-muted); }

.search-form button {
  background: none;
  border: none;
  color: var(--c-accent);
  cursor: pointer;
  padding: 8px;
  font-size: 18px;
  min-height: 36px;
  min-width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== Kinetic タグ ===== */
.kinetic-tag {
  display: inline-block;
  background: var(--c-accent-dim);
  color: var(--c-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: none;
  padding: 4px 14px;
  border-radius: 20px;
  border: 1px solid var(--c-accent);
  margin-bottom: 16px;
}

/* ===== Reveal 动画 ===== */
.reveal-text,
.reveal-card,
.reveal-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-text.revealed,
.reveal-card.revealed,
.reveal-up.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-card { transition-duration: 0.5s; }
.reveal-up { transition-delay: 0.15s; }

@media (prefers-reduced-motion: reduce) {
  .reveal-text, .reveal-card, .reveal-up {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== Hero 通用 ===== */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img,
.topic-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay,
.topic-hero .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,46,0.92) 0%, rgba(26,26,46,0.65) 60%, rgba(233,69,96,0.12) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 64px;
  padding-bottom: 64px;
  max-width: 680px;
}

.hero-h1 {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--c-text);
  /* 打字效果由 JS 处理，CSS 做基础显示 */
}

.hero-desc {
  font-size: 18px;
  color: var(--c-text-muted);
  margin-bottom: 32px;
  max-width: 520px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--c-accent);
  color: #fff;
  padding: 13px 32px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: background var(--transition), transform var(--transition);
}

.btn-primary:hover { background: #c73652; transform: translateY(-2px); opacity: 1; }

.btn-outline {
  background: transparent;
  color: var(--c-text);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  border: 2px solid var(--c-border);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: border-color var(--transition), color var(--transition);
}

.btn-outline:hover { border-color: var(--c-accent); color: var(--c-accent); opacity: 1; }

/* ===== 首页 ===== */
.home-main { padding-bottom: 80px; }

.home-content-section {
  padding: 60px 24px 40px;
  max-width: 860px;
}

.home-prose { font-size: 16px; }

.section-heading {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  margin-bottom: 40px;
  color: var(--c-text);
  position: relative;
  padding-bottom: 12px;
}

.section-heading::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--c-accent);
  position: absolute;
  bottom: 0;
  left: 0;
  border-radius: 2px;
}

.home-topics { padding: 20px 24px 80px; }

.topic-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

/* ===== 卡片 ===== */
.topic-card {
  background: var(--c-surface);
  border-radius: var(--radius-card);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--c-border);
  transition: transform var(--transition), border-color var(--transition);
}

.topic-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-accent);
}

.topic-card-inner {
  display: flex;
  flex-direction: column;
  padding: 28px 24px 20px;
  color: var(--c-text);
  height: 100%;
  position: relative;
}

.topic-card-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-accent);
  text-transform: none;
  margin-bottom: 10px;
  font-weight: 700;
}

.topic-card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--c-text);
  line-height: 1.3;
}

.topic-card-desc {
  font-size: 14px;
  color: var(--c-text-muted);
  flex: 1;
  line-height: 1.6;
}

.topic-card-count {
  display: inline-block;
  font-size: 12px;
  color: var(--c-accent);
  margin-top: 12px;
  background: var(--c-accent-dim);
  padding: 3px 10px;
  border-radius: 12px;
}

.topic-card-arrow {
  position: absolute;
  bottom: 20px;
  right: 24px;
  font-size: 20px;
  color: var(--c-accent);
  transition: transform var(--transition);
}

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

/* 底部强调线 */
.topic-card::after,
.child-card::after,
.sibling-card::after {
  content: '';
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent), transparent);
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  border-radius: 0 0 var(--radius-card) var(--radius-card);
}

/* ===== Topic 页 ===== */
.topic-hero {
  position: relative;
  min-height: 42vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.topic-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.topic-hero-plain {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--c-surface2), var(--c-bg));
}

.topic-hero-content {
  position: relative;
  z-index: 2;
  padding: 48px 24px;
  max-width: 760px;
}

.topic-h1 {
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 14px;
  color: var(--c-text);
}

.topic-hero-desc {
  font-size: 16px;
  color: var(--c-text-muted);
}

.topic-eyebrow { margin-bottom: 14px; }

.topic-main { padding: 48px 0 80px; }

.topic-article {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
}

.topic-prose-section .prose { max-width: 800px; }

.topic-children {}

.child-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 8px;
}

.child-card {
  background: var(--c-surface);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--c-border);
  position: relative;
  transition: transform var(--transition), border-color var(--transition);
}

.child-card:hover { transform: translateY(-3px); border-color: var(--c-accent); }

.child-card-link {
  display: flex;
  flex-direction: column;
  color: var(--c-text);
  height: 100%;
}

.child-card-media { height: 180px; overflow: hidden; }
.child-card-media img { width: 100%; height: 100%; object-fit: cover; }

.child-card-body {
  padding: 20px 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.child-card-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-accent);
}

.child-card-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-text);
}

.child-card-desc {
  font-size: 14px;
  color: var(--c-text-muted);
  flex: 1;
  line-height: 1.6;
}

.card-date {
  font-size: 12px;
  color: var(--c-text-muted);
  margin-top: 4px;
}

.child-card-accent {
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent), transparent);
}

/* ===== Article 页 ===== */
.article-main { padding: 40px 0 80px; }

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--c-text-muted);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--c-text-muted); }
.breadcrumb a:hover { color: var(--c-accent); opacity: 1; }
.breadcrumb span[aria-current] { color: var(--c-text); }

.article-body {}

.article-header { margin-bottom: 36px; }

.article-hero-wrap {
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 24px;
  max-height: 420px;
}

.article-hero-img { width: 100%; height: 100%; object-fit: cover; }

.article-label { margin-bottom: 16px; }

.article-h1 {
  font-size: clamp(26px, 4vw, 46px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--c-text);
}

.article-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.article-date, .article-updated {
  font-size: 13px;
  color: var(--c-text-muted);
  border-left: 2px solid var(--c-accent);
  padding-left: 8px;
}

.article-content {}

.article-siblings { margin-top: 56px; }

.aside-heading {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--c-text);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-border);
}

.sibling-cards-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.sibling-card {
  background: var(--c-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--c-border);
  overflow: hidden;
  position: relative;
  transition: border-color var(--transition);
}

.sibling-card:hover { border-color: var(--c-accent); }

.sibling-card a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  color: var(--c-text);
  gap: 8px;
  min-height: 48px;
}

.sibling-card-title { font-size: 14px; line-height: 1.4; flex: 1; }
.sibling-card-arrow { color: var(--c-accent); flex-shrink: 0; }

/* 侧边栏 */
.article-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 20px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-block {
  background: var(--c-surface);
  border-radius: var(--radius-card);
  padding: 20px;
  border: 1px solid var(--c-border);
}

.sidebar-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
  color: var(--c-text-muted);
  text-transform: none;
}

.sidebar-parent-link {
  font-size: 15px;
  color: var(--c-text);
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid var(--c-border);
}

.sidebar-nav-list li { border-bottom: 1px solid var(--c-border); }
.sidebar-nav-list li:last-child { border-bottom: none; }
.sidebar-nav-list a {
  display: block;
  padding: 9px 0;
  font-size: 14px;
  color: var(--c-text-muted);
  transition: color var(--transition);
}
.sidebar-nav-list a:hover { color: var(--c-accent); opacity: 1; }

/* TOC */
.toc-list { display: flex; flex-direction: column; gap: 2px; }
.toc-list a {
  display: block;
  font-size: 13px;
  color: var(--c-text-muted);
  padding: 5px 0;
  border-left: 2px solid transparent;
  padding-left: 8px;
  transition: color var(--transition), border-color var(--transition);
  line-height: 1.4;
}
.toc-list a:hover { color: var(--c-accent); border-left-color: var(--c-accent); opacity: 1; }
.toc-list .toc-sub a { padding-left: 18px; font-size: 12px; }

/* ===== About 页 ===== */
.about-main { padding-bottom: 80px; }

.about-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 64px 24px 48px;
  flex-wrap: wrap;
}

.about-hero-text { max-width: 600px; }

.about-h1 {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}

.about-desc { font-size: 17px; color: var(--c-text-muted); }

.about-logo { max-height: 120px; width: auto; border-radius: 16px; }

.about-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 48px;
  align-items: start;
  padding-top: 8px;
}

.about-article {}
.about-sidebar { position: sticky; top: calc(var(--nav-h) + 20px); display: flex; flex-direction: column; gap: 20px; }

.about-info-list { font-size: 14px; }
.about-info-list dt { color: var(--c-text-muted); margin-top: 10px; font-size: 12px; letter-spacing: 0.06em; }
.about-info-list dd { color: var(--c-text); font-weight: 700; }

/* ===== Privacy 页 ===== */
.privacy-main { padding-bottom: 80px; }

.privacy-banner {
  background: linear-gradient(135deg, var(--c-surface2), var(--c-bg));
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--c-border);
}

.privacy-h1 {
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.2;
}

.privacy-desc { font-size: 16px; color: var(--c-text-muted); }

.privacy-layout {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 48px;
  align-items: start;
  padding-top: 48px;
}

.privacy-article {}
.privacy-sidebar { position: sticky; top: calc(var(--nav-h) + 20px); display: flex; flex-direction: column; gap: 20px; }

/* ===== Default 页 ===== */
.default-main { padding: 56px 0 80px; }

.page-h1 {
  font-size: clamp(26px, 4vw, 48px);
  font-weight: 700;
  margin-bottom: 36px;
  line-height: 1.2;
}

.default-content { max-width: 820px; }

/* ===== Prose（正文 HTML）===== */
.prose {
  font-size: 17px;
  line-height: 1.8;
  color: var(--c-text);
}

.prose h2 {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 700;
  margin: 2.2em 0 0.8em;
  color: var(--c-text);
  padding-bottom: 6px;
  border-bottom: 2px solid var(--c-border);
}

.prose h3 {
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 700;
  margin: 1.8em 0 0.6em;
  color: var(--c-text);
  border-left: 3px solid var(--c-accent);
  padding-left: 12px;
}

.prose p { margin-bottom: 1.2em; }

.prose a { color: var(--c-accent); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { opacity: 0.8; }

.prose ul, .prose ol {
  margin: 1em 0 1.4em 1.5em;
  line-height: 1.8;
}
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 0.4em; }

.prose blockquote {
  border-left: 3px solid var(--c-accent);
  padding: 12px 20px;
  margin: 1.5em 0;
  background: var(--c-surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--c-text-muted);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 15px;
}

.prose th, .prose td {
  padding: 10px 14px;
  border: 1px solid var(--c-border);
  text-align: left;
}

.prose th {
  background: var(--c-surface);
  font-weight: 700;
  color: var(--c-accent);
}

.prose code {
  background: var(--c-surface2);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
  font-family: 'Courier New', monospace;
}

.prose pre {
  background: var(--c-surface2);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 1.5em 0;
}

.prose pre code { background: none; padding: 0; }

.prose img {
  border-radius: var(--radius-sm);
  margin: 1.5em 0;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--c-border);
  margin: 2.5em 0;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  margin-top: 40px;
}

.footer-subscribe {
  background: linear-gradient(135deg, var(--c-surface2), var(--c-surface));
  padding: 40px 0;
  border-bottom: 1px solid var(--c-border);
}

.footer-subscribe-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--c-text);
}

.subscribe-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  max-width: 480px;
}

.subscribe-form input {
  flex: 1;
  min-width: 200px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-family: var(--font-main);
  font-size: 15px;
  padding: 11px 16px;
  min-height: 44px;
  outline: none;
  transition: border-color var(--transition);
}

.subscribe-form input:focus { border-color: var(--c-accent); }
.subscribe-form input::placeholder { color: var(--c-text-muted); }

.subscribe-form button {
  background: var(--c-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 700;
  padding: 11px 24px;
  min-height: 44px;
  cursor: pointer;
  transition: background var(--transition);
}

.subscribe-form button:hover { background: #c73652; }

.footer-main { padding: 48px 0 32px; }

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-col {}

.footer-col nav dl dt {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-text-muted);
  margin-bottom: 12px;
  text-transform: none;
}

.footer-col nav dl dd { margin-bottom: 6px; }

.footer-col nav dl dd a {
  font-size: 14px;
  color: var(--c-text-muted);
  transition: color var(--transition);
  display: inline-block;
  padding: 3px 0;
  min-height: 28px;
}

.footer-col nav dl dd a:hover { color: var(--c-accent); opacity: 1; }

.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid var(--c-border);
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--c-text-muted);
}

.footer-bottom a { color: var(--c-text-muted); }
.footer-bottom a:hover { color: var(--c-accent); opacity: 1; }

/* ===== 响应式 ===== */
@media (max-width: 960px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .about-layout { grid-template-columns: 1fr; }
  .about-sidebar { position: static; }
  .privacy-layout { grid-template-columns: 1fr; }
  .privacy-sidebar { position: static; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  :root { --nav-h: 90px; }

  .brand-tagline { display: none; }

  .nav-left, .nav-right { display: none; }

  .main-nav { justify-content: center; }

  .nav-bar { padding: 8px 16px; }

  .hero { min-height: 60vh; }
  .hero-content { max-width: 100%; }
  .hero-h1 { font-size: 32px; }

  .topic-cards-grid { grid-template-columns: 1fr; }
  .child-cards-grid { grid-template-columns: 1fr; }
  .sibling-cards-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-main { padding: 32px 0 20px; }

  .about-hero { padding: 40px 24px 32px; }
  .about-logo { max-height: 80px; }

  .article-main { padding: 24px 0 60px; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; gap: 10px; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .breadcrumb { font-size: 12px; }
}

/* ===== 渐变文字效果（Kinetic Typography 核心）===== */
.kinetic-hero-text {
  background: linear-gradient(135deg, var(--c-text) 0%, var(--c-accent) 60%, #ff8fa3 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .kinetic-hero-text {
    background-size: 200% 200%;
    animation: gradientShift 6s ease infinite;
  }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* 视差细节 */
@media (prefers-reduced-motion: no-preference) {
  .hero-media img {
    transform: scale(1.06);
    transition: transform 8s ease;
  }
  .hero:hover .hero-media img { transform: scale(1.0); }
}