@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Libre+Baskerville:wght@400;700&display=swap');

/* ============================================================
   基础变量
   ============================================================ */
:root {
  --mint: #99ffcc;
  --green: #00ff41;
  --navy: #001e3c;
  --navy-mid: #012a52;
  --navy-light: #013066;
  --text-main: #cdeee0;
  --text-muted: #7bb89a;
  --text-head: #99ffcc;
  --border: rgba(153,255,204,0.18);
  --card-bg: rgba(1,42,82,0.72);
  --radius: 18px;
  --font-serif: 'Cormorant Garamond', 'Libre Baskerville', Georgia, 'Times New Roman', serif;
  --font-body: 'Libre Baskerville', 'Cormorant Garamond', Georgia, serif;
  --nav-h: 120px;
  --transition: 0.32s cubic-bezier(0.4,0,0.2,1);
}

/* ============================================================
   重置与基础
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  font-size: 17px;
  background: var(--navy);
  color: var(--text-main);
}

body {
  font-family: var(--font-body);
  line-height: 1.75;
  min-height: 100vh;
  background: var(--navy);
  overflow-x: hidden;
}

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

a {
  color: var(--mint);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--green); }

ul { list-style: none; }

h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text-head);
  line-height: 1.25;
}

p { margin-bottom: 1.1em; }

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.2em 0 1.6em;
}

/* ============================================================
   全局页面壳
   ============================================================ */
.page-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ============================================================
   全屏遮罩菜单
   ============================================================ */
.fullscreen-menu {
  position: fixed;
  inset: 0;
  background: rgba(0,10,25,0.97);
  z-index: 9000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.38s ease;
  backdrop-filter: blur(12px);
}
.fullscreen-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}

.menu-close {
  position: absolute;
  top: 1.5rem;
  right: 1.8rem;
  background: none;
  border: 1px solid var(--border);
  color: var(--mint);
  font-size: 1.6rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.menu-close:hover { background: var(--mint); color: var(--navy); }

.fullscreen-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  text-align: center;
}
.fullscreen-nav li a {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: 0.04em;
  padding: 0.5rem 1.5rem;
  display: inline-block;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.fullscreen-nav li a:hover {
  color: var(--mint);
  border-color: var(--mint);
}

/* ============================================================
   顶部 Header（品牌行 + nav 行）
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 800;
  background: rgba(0,20,50,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 2rem;
  border-bottom: 1px solid var(--border);
}

.brand-link { display: flex; align-items: center; }
.brand-logo { height: 40px; width: auto; }
.brand-text {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--mint);
  letter-spacing: 0.06em;
}

/* 汉堡按钮 */
.hamburger {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  transition: border-color var(--transition), background var(--transition);
}
.hamburger:hover { border-color: var(--mint); background: rgba(153,255,204,0.08); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--mint);
  border-radius: 2px;
  transition: background var(--transition);
}

/* aside > nav > ul > li > a（结构契约） */
.header-nav-aside {
  overflow-x: auto;
  scrollbar-width: none;
}
.header-nav-aside::-webkit-scrollbar { display: none; }
.header-nav-aside > nav > ul {
  display: flex;
  gap: 0;
  white-space: nowrap;
}
.header-nav-aside > nav > ul > li > a {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 1.1rem;
  font-family: var(--font-serif);
  font-size: 0.92rem;
  color: var(--text-muted);
  border-right: 1px solid var(--border);
  letter-spacing: 0.03em;
  transition: color var(--transition), background var(--transition);
}
.header-nav-aside > nav > ul > li:first-child > a { border-left: 1px solid var(--border); }
.header-nav-aside > nav > ul > li > a:hover {
  color: var(--mint);
  background: rgba(153,255,204,0.06);
}

/* ============================================================
   Hero
   ============================================================ */
.hero-section {
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  position: relative;
  background: radial-gradient(ellipse 80% 60% at 20% 50%, rgba(0,255,65,0.07) 0%, transparent 70%),
              linear-gradient(160deg, #012448 0%, var(--navy) 100%);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

/* 左侧：有机blob媒体 */
.hero-media {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-blob-wrap {
  position: relative;
  width: 340px;
  height: 340px;
  will-change: transform;
}
.hero-blob {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0; left: 0;
}
.hero-orb {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(153,255,204,0.22) 0%, rgba(0,255,65,0.08) 50%, transparent 80%);
  filter: blur(8px);
  animation: breathe 6s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { transform: translate(-50%,-50%) scale(1); opacity: 0.7; }
  50% { transform: translate(-50%,-50%) scale(1.18); opacity: 1; }
}

/* 右侧：文案右对齐 */
.hero-text {
  text-align: right;
}
.hero-h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--mint);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  text-shadow: 0 0 40px rgba(153,255,204,0.25);
}
.hero-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.8rem;
  max-width: 420px;
  margin-left: auto;
}
.hero-cta {
  display: inline-block;
  padding: 0.8rem 2.2rem;
  border: 1px solid var(--mint);
  border-radius: var(--radius);
  color: var(--navy);
  background: var(--mint);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  min-height: 44px;
}
.hero-cta:hover {
  background: var(--green);
  color: var(--navy);
  box-shadow: 0 0 24px rgba(0,255,65,0.35);
}

/* ============================================================
   主内容区：main > section.wrap > article > div
   ============================================================ */
.site-main {
  flex: 1;
  padding: 3rem 0 4rem;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
  align-items: start;
}

.content-section {
  min-width: 0;
}

.content-article {
  /* 正文插入点 */
}

/* ======= 正文内 article 样式（page.content 的 article）======= */
.content-article article {
  margin-bottom: 3.5rem;
  padding: 2rem 2.2rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
  position: relative;
  overflow: hidden;
}
.content-article article::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 140px; height: 140px;
  background: radial-gradient(circle, rgba(153,255,204,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.content-article h2 {
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  color: var(--mint);
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}
.content-article h2 + hr {
  margin-bottom: 1.2rem;
  border-color: rgba(153,255,204,0.25);
}
.content-article h3 {
  font-size: 1.15rem;
  color: var(--text-head);
  margin: 1.4rem 0 0.5rem;
}
.content-article h3 + hr {
  margin-bottom: 0.9rem;
  border-color: rgba(153,255,204,0.15);
}
.content-article p {
  color: var(--text-main);
  font-size: 1rem;
  line-height: 1.85;
}
.content-article ul, .content-article ol {
  padding-left: 1.4rem;
  margin-bottom: 1em;
  list-style: disc;
}
.content-article ul li, .content-article ol li {
  margin-bottom: 0.4em;
  color: var(--text-main);
}
.content-article a {
  color: var(--mint);
  border-bottom: 1px solid rgba(153,255,204,0.3);
  transition: color var(--transition), border-color var(--transition);
}
.content-article a:hover { color: var(--green); border-color: var(--green); }

.content-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2em 0;
  font-size: 0.95rem;
}
.content-article th {
  background: rgba(153,255,204,0.1);
  color: var(--mint);
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--border);
  text-align: left;
}
.content-article td {
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--border);
  color: var(--text-main);
}
.content-article tr:nth-child(even) td { background: rgba(1,42,82,0.4); }

/* ======= 侧边栏 aside（内容右侧）======= */
.content-section + aside,
.content-section ~ aside {
  /* via grid */
}

/* aside 直接写在 wrap grid 内 */
.sidebar-aside {
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
}
.sidebar-widget {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  margin-bottom: 1.6rem;
  backdrop-filter: blur(6px);
}
.sidebar-widget h3 {
  font-size: 1rem;
  color: var(--mint);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}
.sidebar-widget h3 + hr {
  margin-bottom: 1rem;
  border-color: rgba(153,255,204,0.2);
}
.aside-link {
  display: block;
  padding: 0.52rem 0.4rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(153,255,204,0.08);
  transition: color var(--transition), padding-left var(--transition);
  min-height: 40px;
  display: flex;
  align-items: center;
}
.aside-link:last-child { border-bottom: none; }
.aside-link:hover { color: var(--mint); padding-left: 0.7rem; }

/* ============================================================
   页脚：footer > article×n
   ============================================================ */
.site-footer {
  background: linear-gradient(180deg, var(--navy-mid) 0%, #000c1e 100%);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 0;
}

.footer-brand {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.footer-logo { margin-bottom: 0.8rem; }
.footer-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 340px;
}

.footer-links {
  padding: 2.5rem 2rem;
  border-bottom: 1px solid var(--border);
}
.footer-nav-title {
  font-size: 1.05rem;
  color: var(--mint);
  margin-bottom: 0.4rem;
  letter-spacing: 0.05em;
}
.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.footer-nav-list li a {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 0.3rem 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(153,255,204,0.06);
  transition: color var(--transition);
}
.footer-nav-list li:last-child a { border-bottom: none; }
.footer-nav-list li a:hover { color: var(--mint); }

.footer-copy {
  grid-column: 1 / -1;
  padding: 1rem 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

/* ============================================================
   入场动画
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Hover micro-interaction
   ============================================================ */
.content-article article {
  transition: border-color var(--transition), box-shadow var(--transition);
}
.content-article article:hover {
  border-color: rgba(153,255,204,0.35);
  box-shadow: 0 4px 32px rgba(0,255,65,0.07);
}

/* ============================================================
   prefers-reduced-motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .hero-orb { animation: none; }
}

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

/* 平板 */
@media (max-width: 960px) {
  .wrap {
    grid-template-columns: 1fr;
  }
  .sidebar-aside {
    position: static;
  }
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 3rem 1.5rem;
  }
  .hero-blob-wrap {
    width: 260px;
    height: 260px;
  }
  .site-footer {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    border-right: none;
  }
}

/* 手机 */
@media (max-width: 600px) {
  :root { --nav-h: 100px; }

  .header-brand-row {
    padding: 0.7rem 1rem;
  }
  .brand-text { font-size: 1.2rem; }

  .header-nav-aside > nav > ul > li > a {
    padding: 0 0.7rem;
    font-size: 0.82rem;
  }

  .hero-section { min-height: auto; }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2.5rem 1rem;
  }
  .hero-media { order: 2; }
  .hero-text { order: 1; text-align: center; }
  .hero-desc { margin-left: 0; }
  .hero-blob-wrap { width: 200px; height: 200px; }

  .site-main { padding: 2rem 0 3rem; }
  .wrap { padding: 0 1rem; gap: 2rem; }

  .content-article article {
    padding: 1.4rem 1.1rem;
  }

  .site-footer { grid-template-columns: 1fr; }
  .footer-brand, .footer-links { padding: 1.8rem 1rem; }
  .footer-copy { padding: 0.8rem 1rem; }

  .fullscreen-nav li a { font-size: 1.4rem; }
}