@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600&family=Cormorant+Garamond:ital,wght@0,300;0,500;0,700;1,300;1,500&family=Crimson+Pro:ital,wght@0,300;0,400;0,600;1,300;1,400&display=swap');

/* =============================================
   CSS 变量 & 重置
   ============================================= */
:root {
  --c-white: #ffffff;
  --c-gray: #f5f5f5;
  --c-ink: #1f1f1f;
  --c-ink-60: rgba(31,31,31,0.6);
  --c-ink-20: rgba(31,31,31,0.1);
  --c-ink-08: rgba(31,31,31,0.05);
  --c-border: rgba(31,31,31,0.12);
  --radius-card: 18px;
  --radius-pill: 100px;
  --shadow-card: 0 4px 16px rgba(0,0,0,0.07), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-hover: 0 8px 28px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06);
  --font-serif: 'Cormorant Garamond', 'Crimson Pro', Georgia, 'Times New Roman', serif;
  --font-display: 'Cinzel', 'Cormorant Garamond', serif;
  --font-body: 'Crimson Pro', 'Cormorant Garamond', Georgia, serif;
  --header-h: 64px;
  --anchor-h: 44px;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 18px;
  line-height: 1.65;
  background: var(--c-gray);
  color: var(--c-ink);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  background: var(--c-gray);
  color: var(--c-ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* =============================================
   scroll-margin-top 给锚点区块
   ============================================= */
div[id] {
  scroll-margin-top: calc(var(--header-h) + var(--anchor-h) + 12px);
}

/* =============================================
   站点外层
   ============================================= */
.site-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* =============================================
   ASIDE —— 顶部导航容器
   ============================================= */
.site-aside {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
}

/* =============================================
   顶部主导航
   ============================================= */
.top-header {
  height: var(--header-h);
  background: var(--c-white);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
}

/* 品牌 logo */
.brand-link {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.logo-img {
  height: 36px;
  width: auto;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-ink);
  white-space: nowrap;
}

/* 主导航药丸组 */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--c-ink);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}

.nav-pill:hover,
.nav-pill:focus-visible {
  background: var(--c-ink);
  color: var(--c-white);
  outline: none;
}

/* 搜索框 */
.header-search {
  flex-shrink: 0;
}

.search-form {
  display: flex;
  align-items: center;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: var(--c-gray);
  transition: border-color var(--transition);
}

.search-form:focus-within {
  border-color: var(--c-ink);
}

.search-input {
  width: 160px;
  height: 40px;
  padding: 0 14px;
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--c-ink);
  outline: none;
}

.search-input::placeholder {
  color: var(--c-ink-60);
}

.search-btn {
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1rem;
  color: var(--c-ink-60);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition);
  flex-shrink: 0;
}

.search-btn:hover {
  color: var(--c-ink);
}

/* 汉堡按钮（移动端） */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: 8px;
  flex-shrink: 0;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-ink);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* 移动端导航展开 */
.mobile-nav {
  background: var(--c-white);
  border-top: 1px solid var(--c-border);
  padding: 12px 24px 16px;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav .nav-pill {
  width: 100%;
  justify-content: flex-start;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 10px;
}

/* =============================================
   粘性锚点条
   ============================================= */
.anchor-bar {
  height: var(--anchor-h);
  background: var(--c-gray);
  border-top: 1px solid var(--c-border);
  overflow-x: auto;
  scrollbar-width: none;
}

.anchor-bar::-webkit-scrollbar {
  display: none;
}

.anchor-nav ul {
  display: flex;
  align-items: center;
  height: var(--anchor-h);
  padding: 0 24px;
  gap: 2px;
  max-width: 1280px;
  margin: 0 auto;
  white-space: nowrap;
}

.anchor-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--c-ink-60);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.anchor-link:hover,
.anchor-link:focus-visible {
  background: var(--c-ink);
  color: var(--c-white);
  outline: none;
}

/* =============================================
   HERO
   ============================================= */
.hero-section {
  position: relative;
  min-height: 45vh;
  background: var(--c-white);
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  overflow: hidden;
  border-bottom: 1px solid var(--c-border);
}

.hero-bg-text {
  position: absolute;
  top: 50%;
  left: -0.08em;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(120px, 20vw, 240px);
  font-weight: 600;
  letter-spacing: -0.04em;
  color: rgba(31,31,31,0.04);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 24px 52px;
  text-align: right;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--c-ink-60);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  margin-bottom: 20px;
  max-width: 700px;
  margin-left: auto;
}

.hero-desc {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--c-ink-60);
  max-width: 520px;
  margin-left: auto;
}

/* =============================================
   主体 main > article > div
   ============================================= */
.site-main {
  flex: 1;
  padding: 40px 0 60px;
}

.content-article {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.content-section {
  width: 100%;
}

/* =============================================
   Bento Grid 容器
   ============================================= */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: auto;
  gap: 16px;
}

.bento-card {
  background: var(--c-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 28px 28px 32px;
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.bento-card:hover {
  transform: scale(1.015);
  box-shadow: var(--shadow-hover);
}

.bento-wide {
  grid-column: span 4;
}

/* =============================================
   正文内容样式 (page.content 渲染)
   ============================================= */
.content-body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-ink);
}

.content-body h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.01em;
  margin: 2.4em 0 0.3em;
  color: var(--c-ink);
}

.content-body h2:first-child {
  margin-top: 0;
}

.content-body hr {
  border: none;
  border-top: 1px solid var(--c-border);
  margin: 0.6em 0 1.2em;
}

.content-body h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 1.8em 0 0.4em;
  color: var(--c-ink);
}

.content-body h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 1.4em 0 0.3em;
}

.content-body p {
  margin: 0 0 1.1em;
}

.content-body ul,
.content-body ol {
  list-style: disc;
  padding-left: 1.6em;
  margin: 0 0 1.1em;
}

.content-body ol {
  list-style: decimal;
}

.content-body li {
  margin-bottom: 0.4em;
  line-height: 1.65;
}

.content-body strong, .content-body b {
  font-weight: 700;
}

.content-body em, .content-body i {
  font-style: italic;
}

.content-body a {
  color: var(--c-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--transition);
}

.content-body a:hover {
  opacity: 0.65;
}

.content-body blockquote {
  border-left: 3px solid var(--c-ink-20);
  padding: 8px 0 8px 20px;
  color: var(--c-ink-60);
  font-style: italic;
  margin: 1.2em 0;
}

.content-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2em 0;
  font-size: 0.95rem;
}

.content-body th,
.content-body td {
  border: 1px solid var(--c-border);
  padding: 8px 12px;
  text-align: left;
}

.content-body th {
  background: var(--c-gray);
  font-weight: 700;
}

/* div 内部卡片风格 */
.content-body div {
  background: var(--c-gray);
  border-radius: 14px;
  padding: 28px 28px 24px;
  margin: 24px 0;
}

.content-body div h2,
.content-body div h3 {
  margin-top: 0;
}

/* =============================================
   页脚
   ============================================= */
.site-footer {
  background: var(--c-ink);
  color: var(--c-white);
  padding: 48px 24px 0;
}

.footer-top {
  max-width: 1280px;
  margin: 0 auto 36px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.footer-tagline {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: rgba(255,255,255,0.55);
  max-width: 400px;
  line-height: 1.55;
  margin-bottom: 8px;
}

.footer-contact a {
  color: rgba(255,255,255,0.7);
  font-size: 0.88rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-cols {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-bottom: 36px;
}

.footer-dl dt {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 12px;
}

.footer-dl dd {
  margin-bottom: 8px;
  font-family: var(--font-body);
  font-size: 0.93rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
}

.footer-dl dd a {
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 2px 0;
}

.footer-dl dd a:hover {
  color: var(--c-white);
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 0 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-copy {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

/* =============================================
   动效 —— Stagger + Parallax
   ============================================= */
@media (prefers-reduced-motion: no-preference) {
  .bento-card {
    opacity: 0;
    transform: translateY(24px);
    transition:
      opacity 0.5s ease,
      transform 0.5s ease,
      box-shadow var(--transition);
  }

  .bento-card.is-visible {
    opacity: 1;
    transform: translateY(0);
  }

  .hero-inner {
    opacity: 0;
    transform: translateY(16px);
    animation: heroFadeIn 0.7s 0.15s ease forwards;
  }

  @keyframes heroFadeIn {
    to { opacity: 1; transform: translateY(0); }
  }

  .hero-bg-text {
    animation: parallaxBg linear both;
    animation-timeline: scroll(root);
    animation-range: 0 40vh;
  }

  @keyframes parallaxBg {
    from { transform: translateY(-50%) translateX(0); }
    to   { transform: translateY(-80%) translateX(-2%); }
  }
}

/* =============================================
   响应式断点
   ============================================= */

/* 平板 ≤1024px */
@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-wide {
    grid-column: span 2;
  }

  .main-nav .nav-pill {
    font-size: 0.82rem;
    padding: 0 10px;
  }

  .search-input {
    width: 120px;
  }
}

/* 小平板 ≤768px */
@media (max-width: 768px) {
  .main-nav {
    display: none;
  }

  .header-search {
    display: none;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .header-inner {
    gap: 12px;
  }

  .anchor-nav ul {
    padding: 0 16px;
    gap: 1px;
  }

  .anchor-link {
    font-size: 0.78rem;
    padding: 0 10px;
    min-height: 40px;
  }

  .hero-inner {
    padding: 44px 20px 40px;
    text-align: right;
  }

  .footer-cols {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .bento-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .bento-wide {
    grid-column: span 1;
  }
}

/* 手机 ≤480px */
@media (max-width: 480px) {
  html {
    font-size: 17px;
  }

  .hero-section {
    min-height: 38vh;
  }

  .hero-bg-text {
    font-size: 100px;
  }

  .hero-title {
    font-size: 1.85rem;
  }

  .footer-cols {
    grid-template-columns: 1fr;
  }

  .bento-card {
    padding: 20px 18px 22px;
  }

  .content-body div {
    padding: 20px 16px 18px;
    border-radius: 10px;
  }

  .content-article {
    padding: 0 16px;
  }

  .footer-top,
  .footer-cols,
  .footer-bottom {
    padding-left: 0;
    padding-right: 0;
  }

  .site-footer {
    padding: 36px 16px 0;
  }
}

/* ≤375px 强制防横滚 */
@media (max-width: 375px) {
  .hero-bg-text {
    font-size: 80px;
  }

  .anchor-link {
    font-size: 0.75rem;
    padding: 0 8px;
    min-height: 40px;
  }
}

button[aria-expanded]{min-width:44px;min-height:44px}