@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 {
  --mint: #99ffcc;
  --neon: #00ff41;
  --ink: #001e3c;
  --ink-deep: #000f1f;
  --ink-mid: #003060;
  --ink-light: #0a4a7a;
  --mint-dim: rgba(153, 255, 204, 0.15);
  --mint-glow: rgba(153, 255, 204, 0.35);
  --neon-glow: rgba(0, 255, 65, 0.25);
  --text-primary: #d4f5e8;
  --text-secondary: rgba(212, 245, 232, 0.65);
  --text-muted: rgba(212, 245, 232, 0.40);
  --nav-w: 220px;
  --font-serif: 'Cormorant Garamond', 'Crimson Pro', 'Noto Serif SC', Georgia, serif;
  --font-sans: 'Crimson Pro', 'Noto Sans SC', system-ui, sans-serif;
  --radius-card: 4px;
  --radius-pill: 24px;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--ink);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  min-height: 100vh;
  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(--neon);
}

a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
  border-radius: 2px;
}

/* =============================================
   有机背景纹理
   ============================================= */
.bio-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bio-svg {
  width: 100%;
  height: 100%;
}

.cell-blob {
  fill: none;
  opacity: 0.55;
}

.cell-blob.c1 {
  stroke: var(--mint);
  stroke-width: 1.2;
  filter: blur(18px);
  animation: breathe-a 9s ease-in-out infinite;
}

.cell-blob.c2 {
  stroke: var(--neon);
  stroke-width: 0.8;
  filter: blur(22px);
  animation: breathe-b 12s ease-in-out infinite;
}

.cell-blob.c3 {
  stroke: var(--mint);
  stroke-width: 1.5;
  filter: blur(30px);
  animation: breathe-c 15s ease-in-out infinite;
}

@keyframes breathe-a {
  0%, 100% { rx: 18%; ry: 14%; opacity: 0.45; }
  50% { rx: 22%; ry: 17%; opacity: 0.7; }
}

@keyframes breathe-b {
  0%, 100% { rx: 22%; ry: 16%; opacity: 0.35; }
  50% { rx: 26%; ry: 20%; opacity: 0.6; }
}

@keyframes breathe-c {
  0%, 100% { rx: 28%; ry: 10%; opacity: 0.3; }
  50% { rx: 32%; ry: 13%; opacity: 0.55; }
}

@media (prefers-reduced-motion: reduce) {
  .cell-blob { animation: none; }
}

/* =============================================
   页面外壳
   ============================================= */
.page-shell {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 100vh;
}

/* =============================================
   左侧固定导航
   ============================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--nav-w);
  height: 100vh;
  background: linear-gradient(180deg, rgba(0, 15, 31, 0.97) 0%, rgba(0, 30, 60, 0.95) 100%);
  border-right: 1px solid rgba(153, 255, 204, 0.12);
  display: flex;
  flex-direction: column;
  padding: 1.75rem 1rem 1.5rem;
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.brand-mark {
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(153, 255, 204, 0.18);
}

.brand-mark a {
  display: block;
}

.site-logo {
  max-width: 140px;
  height: auto;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--mint);
  letter-spacing: 0.04em;
  line-height: 1.4;
  display: block;
}

/* 竖排药丸导航 */
.side-nav {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1;
}

.nav-pill {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  line-height: 1.35;
  word-break: break-all;
  cursor: pointer;
}

.nav-pill:hover {
  background: var(--mint-dim);
  border-color: rgba(153, 255, 204, 0.25);
  color: var(--mint);
}

.nav-pill[aria-current="page"] {
  background: rgba(0, 255, 65, 0.12);
  border-color: var(--neon);
  color: var(--neon);
  font-weight: 600;
}

/* =============================================
   主内容区
   ============================================= */
.main-content {
  margin-left: var(--nav-w);
  flex: 1;
  min-width: 0;
  padding: 2rem 2.5rem 3rem;
  max-width: calc(100% - var(--nav-w));
}

/* =============================================
   首页 Hero
   ============================================= */
.hero-section {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  min-height: 45vh;
  padding: 2rem 0 2.5rem;
  border-bottom: 1px solid rgba(153, 255, 204, 0.1);
  margin-bottom: 3rem;
}

.hero-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

.hero-h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--mint);
  letter-spacing: 0.01em;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 48ch;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.6rem 1.6rem;
  background: linear-gradient(135deg, var(--neon) 0%, var(--mint) 100%);
  color: var(--ink-deep);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-pill);
  align-self: flex-start;
  transition: filter var(--transition), transform var(--transition);
  letter-spacing: 0.02em;
}

.cta-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  color: var(--ink-deep);
}

.hero-media {
  flex: 0 0 42%;
  max-width: 42%;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}

.hero-placeholder {
  min-height: 260px;
  background: linear-gradient(135deg, var(--ink-mid) 0%, var(--ink-light) 100%);
  border-radius: 8px;
  border: 1px solid rgba(153, 255, 204, 0.15);
  position: relative;
  overflow: hidden;
}

.hero-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 40%, var(--neon-glow) 0%, transparent 70%);
  animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-placeholder::after { animation: none; }
}

/* =============================================
   文章内容主体
   ============================================= */
.content-article {
  width: 100%;
}

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

.content-body {
  /* 纯 div 层，无额外嵌套 */
}

/* =============================================
   文章页专用
   ============================================= */
.article-main .content-wrap {
  max-width: 760px;
}

.article-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(153, 255, 204, 0.12);
}

.article-hero-wrap {
  margin-bottom: 1.5rem;
  border-radius: 6px;
  overflow: hidden;
}

.article-hero-img {
  width: 100%;
  height: auto;
  border-radius: 6px;
}

.article-h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--mint);
  margin-bottom: 0.75rem;
}

.article-dateline {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.article-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  font-family: var(--font-serif);
}

.article-lead {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-style: italic;
}

/* =============================================
   文章正文排版
   ============================================= */
.article-prose {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.article-prose h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--mint);
  margin: 2.25rem 0 0.9rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid rgba(153, 255, 204, 0.15);
}

.article-prose h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--mint);
  margin: 1.75rem 0 0.65rem;
}

.article-prose h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-primary);
  margin: 1.25rem 0 0.5rem;
}

.article-prose p {
  margin-bottom: 1.2rem;
}

.article-prose ul,
.article-prose ol {
  padding-left: 1.4em;
  margin-bottom: 1.2rem;
}

.article-prose li {
  margin-bottom: 0.4rem;
}

.article-prose strong {
  color: var(--mint);
  font-weight: 600;
}

.article-prose em {
  color: var(--text-secondary);
}

.article-prose a {
  color: var(--neon);
  text-decoration: underline;
  text-decoration-color: rgba(0, 255, 65, 0.4);
}

.article-prose a:hover {
  text-decoration-color: var(--neon);
}

.article-prose blockquote {
  border-left: 3px solid var(--neon);
  padding-left: 1.2rem;
  margin: 1.5rem 0;
  color: var(--text-secondary);
  font-style: italic;
}

.article-prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.article-prose th,
.article-prose td {
  padding: 0.6rem 0.9rem;
  border: 1px solid rgba(153, 255, 204, 0.15);
  text-align: left;
  vertical-align: top;
}

.article-prose th {
  background: rgba(153, 255, 204, 0.08);
  color: var(--mint);
  font-family: var(--font-serif);
  font-weight: 600;
}

.article-prose tr:nth-child(even) td {
  background: rgba(153, 255, 204, 0.03);
}

.article-prose code {
  background: rgba(153, 255, 204, 0.08);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  font-size: 0.88em;
  color: var(--neon);
  font-family: 'Courier New', monospace;
}

.article-prose pre {
  background: rgba(0, 15, 31, 0.8);
  border: 1px solid rgba(153, 255, 204, 0.15);
  border-radius: 4px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.article-prose pre code {
  background: none;
  padding: 0;
  font-size: 0.9rem;
}

/* =============================================
   眉题与章节标题
   ============================================= */
.eyebrow-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neon);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.section-h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  font-weight: 700;
  color: var(--mint);
  margin-bottom: 1.75rem;
}

/* =============================================
   卡片表格（首页文章列表）
   ============================================= */
.cards-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(153, 255, 204, 0.1);
}

.cards-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 0.75rem;
}

.card-row {
  animation: stagger-in 0.4s ease both;
}

.card-row:nth-child(2) { animation-delay: 0.05s; }
.card-row:nth-child(3) { animation-delay: 0.10s; }
.card-row:nth-child(4) { animation-delay: 0.15s; }
.card-row:nth-child(5) { animation-delay: 0.20s; }
.card-row:nth-child(6) { animation-delay: 0.25s; }

@keyframes stagger-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .card-row { animation: none; }
}

.card-cell {
  padding: 0;
}

.card-link {
  display: block;
  text-decoration: none;
}

.card-inner {
  background: linear-gradient(135deg, rgba(0, 30, 60, 0.8) 0%, rgba(0, 20, 45, 0.9) 100%);
  border: 1px solid rgba(153, 255, 204, 0.12);
  border-bottom: 3px solid rgba(153, 255, 204, 0.35);
  border-radius: var(--radius-card);
  padding: 1.1rem 1.4rem 1.2rem;
  transition: border-bottom-color var(--transition), background var(--transition), transform var(--transition);
  backdrop-filter: blur(6px);
}

.card-inner:hover {
  border-bottom-color: var(--neon);
  background: rgba(0, 30, 60, 0.95);
  transform: translateY(-2px);
}

.card-meta {
  margin-bottom: 0.35rem;
}

.card-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  font-family: var(--font-serif);
}

.card-title {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--mint);
  margin-bottom: 0.4rem;
  line-height: 1.35;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}

/* =============================================
   相关文章（文章页）
   ============================================= */
.related-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(153, 255, 204, 0.1);
}

.related-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 0.5rem;
}

.related-cell {
  padding: 0;
}

.related-link {
  display: block;
  padding: 0.75rem 1rem;
  background: rgba(0, 30, 60, 0.6);
  border: 1px solid rgba(153, 255, 204, 0.1);
  border-bottom: 2px solid rgba(153, 255, 204, 0.2);
  border-radius: var(--radius-card);
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-primary);
  transition: border-bottom-color var(--transition), background var(--transition);
  min-height: 44px;
  line-height: 1.5;
}

.related-link:hover {
  border-bottom-color: var(--neon);
  background: rgba(0, 30, 60, 0.85);
  color: var(--mint);
}

/* =============================================
   About 页
   ============================================= */
.about-main .content-wrap {
  max-width: 740px;
}

.about-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(153, 255, 204, 0.12);
}

.about-h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--mint);
  margin: 0.5rem 0 0.75rem;
}

.about-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.7;
}

.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
}

.about-back-btn,
.about-nav-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 600;
  transition: filter var(--transition), transform var(--transition);
}

.about-back-btn {
  background: var(--mint-dim);
  border: 1px solid rgba(153, 255, 204, 0.3);
  color: var(--mint);
}

.about-back-btn:hover {
  filter: brightness(1.15);
  color: var(--mint);
  transform: translateY(-1px);
}

.about-nav-btn {
  background: rgba(0, 255, 65, 0.1);
  border: 1px solid rgba(0, 255, 65, 0.3);
  color: var(--neon);
}

.about-nav-btn:hover {
  filter: brightness(1.15);
  color: var(--neon);
  transform: translateY(-1px);
}

/* =============================================
   Privacy 页
   ============================================= */
.privacy-main .content-wrap {
  max-width: 720px;
}

.privacy-header {
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(153, 255, 204, 0.12);
}

.privacy-h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 700;
  color: var(--mint);
  margin: 0.5rem 0 0.75rem;
}

.privacy-prose {
  color: var(--text-secondary);
}

.privacy-prose h2 {
  color: var(--mint);
}

.privacy-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
}

.privacy-nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  color: var(--mint);
  background: var(--mint-dim);
  border: 1px solid rgba(153, 255, 204, 0.25);
  transition: filter var(--transition);
}

.privacy-nav-links a:hover {
  filter: brightness(1.15);
  color: var(--mint);
}

/* =============================================
   页脚
   ============================================= */
.site-footer {
  margin-left: var(--nav-w);
  background: linear-gradient(180deg, rgba(0, 10, 25, 0.95) 0%, var(--ink-deep) 100%);
  border-top: 1px solid rgba(153, 255, 204, 0.12);
  padding: 3rem 2.5rem 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 960px;
  margin-bottom: 2rem;
}

.footer-col {
  display: block;
}

.footer-col dt {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--mint);
  letter-spacing: 0.06em;
  margin-bottom: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(153, 255, 204, 0.15);
}

.footer-col dd {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.55rem;
  margin-left: 0;
}

.footer-col dd a {
  color: var(--text-secondary);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  transition: color var(--transition);
}

.footer-col dd a:hover {
  color: var(--mint);
}

/* 订阅表单 */
.subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-top: 0.4rem;
}

.sub-input {
  background: rgba(0, 30, 60, 0.7);
  border: 1px solid rgba(153, 255, 204, 0.2);
  border-radius: var(--radius-card);
  padding: 0.55rem 0.8rem;
  color: var(--text-primary);
  font-size: 0.88rem;
  font-family: var(--font-sans);
  min-height: 40px;
  width: 100%;
  transition: border-color var(--transition);
}

.sub-input::placeholder {
  color: var(--text-muted);
}

.sub-input:focus {
  outline: none;
  border-color: var(--mint);
}

.sub-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.5rem 1.2rem;
  background: linear-gradient(135deg, var(--neon) 0%, var(--mint) 100%);
  color: var(--ink-deep);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.88rem;
  border: none;
  border-radius: var(--radius-card);
  cursor: pointer;
  transition: filter var(--transition);
}

.sub-btn:hover {
  filter: brightness(1.1);
}

.footer-bar {
  border-top: 1px solid rgba(153, 255, 204, 0.08);
  padding-top: 1.25rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 960px;
}

/* =============================================
   响应式：平板（≤900px）
   ============================================= */
@media (max-width: 900px) {
  :root {
    --nav-w: 0px;
  }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: auto;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    padding: 0.75rem 1rem;
    border-right: none;
    border-bottom: 1px solid rgba(153, 255, 204, 0.12);
    gap: 0.5rem;
    z-index: 200;
    overflow: visible;
  }

  .brand-mark {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
    margin-right: 0.5rem;
    flex-shrink: 0;
  }

  .side-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.3rem;
    flex: 1;
    overflow-x: auto;
    padding-bottom: 0.2rem;
  }

  .nav-pill {
    white-space: nowrap;
    min-height: 40px;
    padding: 0.45rem 0.75rem;
    font-size: 0.82rem;
    word-break: normal;
  }

  .main-content {
    margin-left: 0;
    max-width: 100%;
    padding: 5.5rem 1.25rem 2rem;
  }

  .site-footer {
    margin-left: 0;
    padding: 2rem 1.25rem 1.25rem;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .hero-section {
    flex-direction: column-reverse;
    min-height: auto;
    padding: 1.5rem 0;
  }

  .hero-media {
    max-width: 100%;
    flex: none;
    width: 100%;
  }

  .hero-placeholder {
    min-height: 180px;
  }
}

/* =============================================
   响应式：手机（≤480px）
   ============================================= */
@media (max-width: 480px) {
  html { font-size: 16px; }

  .main-content {
    padding: 5rem 1rem 2rem;
  }

  .site-header {
    padding: 0.6rem 0.75rem;
  }

  .side-nav {
    gap: 0.25rem;
  }

  .nav-pill {
    font-size: 0.78rem;
    padding: 0.4rem 0.6rem;
    min-height: 40px;
  }

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

  .hero-h1 {
    font-size: 1.5rem;
  }

  .article-h1 {
    font-size: 1.4rem;
  }

  .cards-table {
    border-spacing: 0 0.5rem;
  }

  .card-inner {
    padding: 0.9rem 1rem;
  }

  .site-footer {
    padding: 1.5rem 1rem 1rem;
  }

  .footer-bar {
    font-size: 0.78rem;
  }
}

/* =============================================
   辅助：图片加载失败 / 无图时占位
   ============================================= */
.article-hero-img:not([src]),
.hero-img:not([src]) {
  display: none;
}