/* ============================================
   红湖文学社 · 全局样式
   色彩：朱砂红 #B22222 / 黛青 #2F4F4F / 米白 #F5F0E8
   ============================================ */

:root {
  --crimson: #B22222;
  --crimson-light: #C8392B;
  --crimson-dark: #8B1A1A;
  --dark-teal: #2F4F4F;
  --deep-teal: #1A3333;
  --parchment: #F5F0E8;
  --parchment-dark: #EDE7D8;
  --amber: #C8922A;
  --amber-light: #E8B84B;
  --ink: #1C1C1C;
  --ink-light: #3A3530;
  --mist: #8A8078;
  --white: #FFFFFF;

  --font-serif: 'Noto Serif SC', 'SimSun', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', sans-serif;

  --transition-soft: all 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-ripple: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  --shadow-ink: 0 4px 24px rgba(28, 28, 28, 0.12);
  --shadow-deep: 0 8px 48px rgba(28, 28, 28, 0.18);
  --border-subtle: 1px solid rgba(178, 34, 34, 0.15);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background-color: var(--parchment);
  color: var(--ink);
  line-height: 1.8;
  overflow-x: hidden;
  transition: background-color 0.6s ease, color 0.6s ease;
}

/* === 颗粒感纹理 === */
.grain-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

/* === 沉浸模式 === */
body.immersive {
  background-color: #0F1410;
  color: #D4CCBB;
}
body.immersive .site-header { background: rgba(15, 20, 16, 0.95); border-bottom-color: rgba(178,34,34,0.2); }
body.immersive .site-footer { background: #0A0F0B; color: #5A5550; }
body.immersive .card, body.immersive .magazine-card { background: #161D17; border-color: rgba(178,34,34,0.12); }
body.immersive .btn-immersive i { color: var(--amber-light); }
body.immersive .section-title { color: #D4CCBB; }
body.immersive .nav-item { color: #B0A898; }
body.immersive .mobile-nav { background: #0F1410; }
.immersive-mask {
  display: none;
  position: fixed; top:0; left:0; width:100%; height:100%;
  background: rgba(0,0,0,0.45);
  z-index: 90;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s ease;
}

/* === 顶部导航 === */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: 64px;
  background: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--border-subtle);
  z-index: 100;
  transition: var(--transition-soft);
}
.site-header.scrolled {
  height: 56px;
  box-shadow: var(--shadow-ink);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 48px;
}
.site-logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  flex-shrink: 0;
}
.logo-zh {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--crimson);
  letter-spacing: 0.05em;
}
.logo-en {
  font-size: 0.55rem;
  color: var(--mist);
  letter-spacing: 0.18em;
  font-weight: 300;
}
.site-nav {
  display: flex;
  gap: 2px;
  flex: 1;
}
.nav-item {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--ink-light);
  text-decoration: none;
  padding: 6px 16px;
  border-radius: 2px;
  position: relative;
  transition: var(--transition-soft);
  letter-spacing: 0.05em;
}
.nav-item::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 16px; right: 16px;
  height: 1px;
  background: var(--crimson);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.nav-item:hover, .nav-item.active { color: var(--crimson); }
.nav-item:hover::after, .nav-item.active::after { transform: scaleX(1); }
.nav-admin { color: var(--mist) !important; font-size: 0.82rem; }

.header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.btn-immersive, .btn-inspiration {
  width: 36px; height: 36px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition-soft);
  color: var(--mist);
}
.btn-immersive:hover, .btn-inspiration:hover {
  background: rgba(178,34,34,0.08);
  color: var(--crimson);
}
.btn-inspiration i { font-size: 0.9rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  width: 22px; height: 1.5px;
  background: var(--ink-light);
  transition: var(--transition-soft);
}

/* === 移动端导航 === */
.mobile-nav {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: var(--parchment);
  border-bottom: var(--border-subtle);
  z-index: 99;
  padding: 16px 0;
  transform: translateY(-100%);
  opacity: 0;
  transition: var(--transition-soft);
}
.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
}
.mobile-nav-item {
  display: block;
  padding: 12px 32px;
  font-family: var(--font-serif);
  color: var(--ink-light);
  text-decoration: none;
  font-size: 1rem;
  border-left: 2px solid transparent;
  transition: var(--transition-soft);
}
.mobile-nav-item:hover, .mobile-nav-item.active {
  color: var(--crimson);
  border-left-color: var(--crimson);
  padding-left: 36px;
}

/* === 主内容区 === */
.site-main {
  margin-top: 64px;
  min-height: calc(100vh - 64px);
  transition: var(--transition-soft);
}

/* === 灵感弹窗 === */
.inspiration-modal {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 10, 8, 0.75);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}
.inspiration-modal.open {
  opacity: 1;
  pointer-events: all;
}
.inspiration-card {
  position: relative;
  max-width: 560px;
  width: 90%;
  border-radius: 4px;
  overflow: hidden;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  box-shadow: 0 24px 80px rgba(0,0,0,0.4);
}
.inspiration-modal.open .inspiration-card {
  transform: translateY(0) scale(1);
}
.inspiration-bg {
  position: absolute; top:0;left:0;right:0;bottom:0;
  background: linear-gradient(135deg, var(--deep-teal) 0%, #1A2A2A 60%, #2A1010 100%);
}
.inspiration-content {
  position: relative;
  padding: 48px 48px 40px;
}
.inspiration-label {
  font-size: 0.72rem;
  color: var(--amber-light);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 24px;
  font-family: var(--font-sans);
}
.inspiration-quote {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 2;
  color: #E8E0D0;
  font-weight: 300;
  border-left: 2px solid var(--crimson);
  padding-left: 20px;
  margin-bottom: 20px;
  min-height: 80px;
}
.inspiration-meta {
  font-size: 0.8rem;
  color: var(--mist);
  margin-bottom: 28px;
  font-style: italic;
}
.btn-next-inspiration {
  background: transparent;
  border: 1px solid rgba(178,34,34,0.5);
  color: var(--crimson-light);
  padding: 10px 24px;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  border-radius: 2px;
  transition: var(--transition-soft);
  letter-spacing: 0.05em;
}
.btn-next-inspiration:hover { background: rgba(178,34,34,0.12); }
.btn-close-inspiration {
  position: absolute;
  top: 16px; right: 16px;
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.3);
  cursor: pointer;
  font-size: 1rem;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  transition: var(--transition-soft);
}
.btn-close-inspiration:hover { color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.1); }

/* === 通用组件 === */
.container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.container-narrow { max-width: 860px; margin: 0 auto; padding: 0 40px; }

.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-lg { padding: 120px 0; }

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--crimson);
  text-transform: uppercase;
  font-family: var(--font-sans);
  font-weight: 500;
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 0.95rem;
  color: var(--mist);
  line-height: 1.8;
  max-width: 560px;
}
.divider-crimson {
  width: 40px; height: 2px;
  background: var(--crimson);
  margin: 20px 0;
}

.card {
  background: #FFFDF8;
  border: var(--border-subtle);
  border-radius: 3px;
  transition: var(--transition-soft);
  overflow: hidden;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-deep);
  border-color: rgba(178,34,34,0.3);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition-soft);
  text-decoration: none;
  letter-spacing: 0.05em;
  border: none;
}
.btn-primary {
  background: var(--crimson);
  color: white;
}
.btn-primary:hover { background: var(--crimson-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(178,34,34,0.3); }
.btn-outline {
  background: transparent;
  color: var(--crimson);
  border: 1px solid var(--crimson);
}
.btn-outline:hover { background: var(--crimson); color: white; }
.btn-ghost {
  background: transparent;
  color: var(--ink-light);
  border: 1px solid rgba(0,0,0,0.15);
}
.btn-ghost:hover { border-color: var(--crimson); color: var(--crimson); }

/* 页面渐入动画 */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 标签徽章 */
.badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.72rem;
  border-radius: 2px;
  letter-spacing: 0.06em;
  font-family: var(--font-sans);
}
.badge-crimson { background: rgba(178,34,34,0.1); color: var(--crimson); border: 1px solid rgba(178,34,34,0.25); }
.badge-teal { background: rgba(47,79,79,0.1); color: var(--dark-teal); border: 1px solid rgba(47,79,79,0.2); }
.badge-amber { background: rgba(200,146,42,0.1); color: var(--amber); border: 1px solid rgba(200,146,42,0.25); }
.badge-mist { background: rgba(138,128,120,0.1); color: var(--mist); border: 1px solid rgba(138,128,120,0.2); }

/* 琥珀金勋章 */
.honor-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  background: linear-gradient(135deg, rgba(200,146,42,0.15), rgba(232,184,75,0.08));
  border: 1px solid rgba(200,146,42,0.35);
  color: var(--amber);
  font-size: 0.72rem;
  border-radius: 2px;
}

/* === 页脚 === */
.site-footer {
  background: var(--deep-teal);
  color: rgba(255,255,255,0.5);
  padding: 56px 0 40px;
  text-align: center;
}
.footer-inner { max-width: 600px; margin: 0 auto; padding: 0 40px; }
.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--crimson-light);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}
.footer-tagline {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.3);
  font-style: italic;
  margin-bottom: 24px;
  font-family: var(--font-serif);
}
.footer-links { display: flex; gap: 12px; justify-content: center; align-items: center; margin-bottom: 24px; }
.footer-links a { color: rgba(255,255,255,0.45); text-decoration: none; font-size: 0.85rem; transition: color 0.3s; }
.footer-links a:hover { color: var(--crimson-light); }
.footer-links span { color: rgba(255,255,255,0.2); }
.footer-copy { font-size: 0.78rem; color: rgba(255,255,255,0.2); font-family: var(--font-serif); }

/* === 响应式 === */
@media (max-width: 768px) {
  .site-nav { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav { display: block; }
  .container, .container-narrow { padding: 0 20px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 1.7rem; }
  .header-inner { padding: 0 20px; gap: 16px; }
  .btn-immersive, .btn-inspiration { display: none; }
}