/* =============================================
   元演心智 · Esther版设计系统
   灵感：ESTHER不二 — 在AI时代认真生活的女生
   ============================================= */

/* ---- CSS 自定义属性 ---- */
:root {
  /* 色彩 — Esther 暖调色板 */
  --bg:           #fefcf6;
  --surface:      #ffffff;
  --surface-hover:#f8f6f0;
  --surface-alt:  #f5f2ea;     /* 暖灰，用于作品区 */
  --text:         #1a1a1a;
  --text-secondary:#555555;
  --text-muted:   #999999;
  --text-dim:     #bbbbbb;

  /* Esther 标志性色彩 */
  --esther-yellow: #F4D758;
  --esther-blue:   #2B7FD8;
  --esther-orange: #F7A946;
  --esther-dark:   #1a2332;

  /* 语义别名 */
  --accent:       #F4D758;
  --accent-hover: #e8c840;
  --accent-subtle:rgba(244,215,88,0.12);
  --accent-glow:  rgba(244,215,88,0.15);
  --primary:      #2B7FD8;
  --primary-subtle:rgba(43,127,216,0.10);
  --secondary:    #F7A946;
  --purple:       #7a5a95;
  --purple-subtle:rgba(122,90,149,0.10);
  --border:       rgba(0,0,0,0.06);
  --border-card:  rgba(0,0,0,0.06);

  /* 暗色表面（终端 Hero） */
  --dark-bg:      #0d1117;
  --dark-surface: #161b22;
  --dark-border:  rgba(255,255,255,0.06);
  --dark-text:    #8b949e;
  --dark-accent:  #F4D758;

  /* 排版 */
  --font-sans:    'Noto Sans SC', 'Inter', -apple-system, sans-serif;
  --font-serif:   'Huiwen Mincho', 'Noto Serif SC', 'Source Han Serif SC', serif;
  --font-cursive: 'Caveat', cursive;

  /* 间距 */
  --section-pad:  100px;
  --hero-pad-t:   160px;
  --hero-pad-b:   100px;
  --card-pad:     32px 30px;
  --card-gap:     24px;
  --wrap-w:       1100px;
  --wrap-w-narrow:800px;

  /* 圆角 */
  --radius-card:  20px;
  --radius-sm:    12px;
  --radius-pill:  100px;

  /* 过渡 */
  --ease:         .4s cubic-bezier(.16,1,.3,1);
  --ease-quick:   .3s ease;
}

/* ---- Reset ---- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.8;
  overflow-x: hidden;
}

/* ---- 选中 ---- */
::selection { background: var(--accent); color: var(--esther-dark); }

/* =============================================
   鼠标辉光
   ============================================= */
.cursor-glow {
  position: fixed;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244,215,88,0.10) 0%, transparent 70%);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s;
}
body:hover .cursor-glow { opacity: 1; }

/* =============================================
   导航
   ============================================= */
nav {
  display: flex;
  justify-content: center;
  gap: 40px;
  padding: 20px 24px;
  background: rgba(254,252,246,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
nav a {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.06em;
  transition: color var(--ease-quick);
  position: relative;
}
nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--ease-quick);
}
nav a:hover { color: var(--text); }
nav a:hover::after { transform: scaleX(1); }

/* ---- 下拉菜单（专栏） ---- */
.nav-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.nav-dropdown > a {
  cursor: pointer;
}
.nav-dropdown > a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--ease-quick);
}
.nav-dropdown:hover > a::after { transform: scaleX(1); }
.nav-dropdown:hover > a { color: var(--text); }

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding-top: 12px;
  background: transparent;
  z-index: 200;
}
.nav-dropdown-menu-inner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px;
  min-width: 120px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}
.nav-dropdown:hover .nav-dropdown-menu {
  display: block;
}
.nav-dropdown-menu-inner a {
  display: block;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--ease-quick);
  white-space: nowrap;
}
.nav-dropdown-menu-inner a:hover {
  background: var(--accent-subtle);
  color: var(--esther-dark);
}
.nav-dropdown-menu-inner a::after { display: none; }

/* ---- 下拉菜单响应式 ---- */
@media (max-width: 768px) {
  .nav-dropdown-menu {
    left: auto;
    right: 0;
    transform: none;
  }
}

/* =============================================
   容器
   ============================================= */
.wrap { max-width: var(--wrap-w); margin: 0 auto; padding: 0 28px; }
.wrap-narrow { max-width: var(--wrap-w-narrow); margin: 0 auto; padding: 0 28px; }

/* =============================================
   板块标签通用
   ============================================= */
section { position: relative; }
.section-label {
  font-family: var(--font-serif);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2rem;
  text-align: center;
}

/* =============================================
   首页 Hero — 终端风格
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #0d1117;
  position: relative;
  overflow: hidden;
  padding: 2rem;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(244,215,88,0.06), transparent 60%);
  pointer-events: none;
}

.terminal-window {
  width: 100%;
  max-width: 760px;
  background: #161b22;
  border-radius: 12px;
  box-shadow: 0 20px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.06);
  overflow: hidden;
  position: relative;
  z-index: 2;
}
.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: #1c2129;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.terminal-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.terminal-dot--red { background: #ff5f57; }
.terminal-dot--yellow { background: #febc2e; }
.terminal-dot--green { background: #28c840; }
.terminal-header-title {
  flex: 1;
  text-align: center;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  margin-right: 52px;
}

.terminal-body {
  padding: 1.8rem 2rem 2.5rem;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: clamp(0.85rem, 1.8vw, 1rem);
  line-height: 1.8;
  min-height: 380px;
}
.terminal-line {
  opacity: 0;
  white-space: pre-wrap;
  word-break: break-all;
}
.terminal-line.visible { opacity: 1; }
.terminal-line .cmd { color: #2B7FD8; }
.terminal-line .cmd-text { color: #8b949e; }
.terminal-line .output { color: #F4D758; }
.terminal-line .highlight { color: #28c840; }
.terminal-line .link {
  color: #F7A946;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
  cursor: default;
}

.terminal-cursor {
  display: inline-block;
  width: 0.6em;
  height: 1.15em;
  background: #F4D758;
  vertical-align: text-bottom;
  animation: cursorBlink 1s step-end infinite;
}
@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeUp 0.6s 8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero-scroll span {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}
.hero-scroll-line {
  width: 1px; height: 40px;
  background: #F4D758;
  opacity: 0.4;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.3; }
  50% { transform: scaleY(1.5); opacity: 0.6; }
}

/* ---- 首页内容区 ---- */
.content-section {
  padding: var(--section-pad) 0;
  position: relative;
}
.content-section:nth-child(even) {
  background: #faf8f2;
}

.sec-tag {
  font-family: var(--font-serif);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
  display: block;
  text-align: center;
}

.sec-headline {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.2rem);
  text-align: center;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.sec-headline em { font-style: normal; color: var(--primary); }

.sec-desc {
  text-align: center;
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 3rem;
  line-height: 1.8;
}

/* ---- 子页面横幅 ---- */
.banner {
  padding: 100px 0 48px;
  text-align: center;
  background: var(--bg);
}
.banner h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.15;
  margin-bottom: 12px;
}
.banner p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 1.5rem;
  line-height: 1.85;
}
.banner .back {
  display: inline-block;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--ease-quick);
  letter-spacing: 0.04em;
}
.banner .back:hover { color: var(--primary); }

/* ---- 卡片网格 ---- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--card-gap);
  text-align: left;
}
.card {
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-card);
  padding: var(--card-pad);
  transition: all var(--ease);
  text-decoration: none;
  color: inherit;
  display: block;
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(244,215,88,0.15);
}
.card .icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: block;
  transition: transform var(--ease-quick);
}
.card:hover .icon { transform: scale(1.1); }
.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  line-height: 1.3;
}
.card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.card .foot {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  transition: gap var(--ease-quick);
}
.card:hover .foot { gap: 8px; }

/* ---- 精选/热门（首页特色区） ---- */
.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--card-gap);
  margin-top: 2rem;
}
.featured-item {
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-sm);
  padding: 24px 28px;
  text-align: left;
  transition: all var(--ease-quick);
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.featured-item:hover {
  border-color: var(--accent);
  background: #fffdf5;
}
.featured-item .meta {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.featured-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
  line-height: 1.4;
}
.featured-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.featured-item .views {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 8px;
}

/* ---- 首页三按钮 ---- */
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin: 2rem 0 3rem;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--ease-quick);
  font-family: inherit;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: var(--esther-dark);
  font-weight: 600;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border: 1px solid rgba(0,0,0,0.1);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--esther-dark);
  background: var(--accent-subtle);
}

/* ---- 全文幻灯片（首页引用展示） ---- */
.opinion-section {
  position: relative;
  overflow: hidden;
}
.opinion-slide {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
}
.opinion-slide:nth-child(1) { background: #f5f2ea; }
.opinion-slide:nth-child(2) { background: #F4D758; }
.opinion-slide:nth-child(3) { background: #2B7FD8; color: #fff; }
.opinion-slide:nth-child(4) { background: #fefcf6; }
.opinion-slide:nth-child(5) { background: #1a2332; color: #fff; }

.opinion-number {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(6rem, 20vw, 16rem);
  opacity: 0.06;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  line-height: 1;
  pointer-events: none;
}
.opinion-slide:nth-child(3) .opinion-number,
.opinion-slide:nth-child(5) .opinion-number { opacity: 0.10; color: #fff; }

.opinion-text {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(1.5rem, 5vw, 3.2rem);
  max-width: 720px;
  line-height: 1.35;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}
.opinion-text.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.opinion-deco {
  font-family: var(--font-cursive);
  font-size: 1rem;
  opacity: 0.5;
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
}

/* ---- 列表（子页面通用） ---- */
.list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 60px;
}
.item {
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-card);
  padding: 24px 28px;
  text-align: left;
  transition: all var(--ease-quick);
  display: block;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.item:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(244,215,88,0.12);
}
.item .meta {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.3;
}
.item p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.item .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.item .tags span {
  font-size: 11px;
  color: var(--primary);
  background: var(--primary-subtle);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}
.item .category {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

/* ---- 对话气泡（diary页面） ---- */
.dialog {
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}
.dialog .speaker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.dialog p {
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 10px;
}
.dialog p:last-child { margin-bottom: 0; }

.dialog.fisher {
  background: var(--accent-subtle);
  border-left: 3px solid var(--accent);
}
.dialog.fisher .speaker { color: var(--esther-dark); }

.dialog.woodsman {
  background: rgba(0,0,0,0.02);
  border-left: 3px solid var(--text-muted);
  margin-left: 28px;
}
.dialog.woodsman .speaker { color: var(--text-muted); }

/* ---- 决策独白 ---- */
.monologue {
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  background: var(--accent-subtle);
  border-left: 3px solid var(--accent);
}
.monologue .tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.monologue p {
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 10px;
}
.monologue p:last-child { margin-bottom: 0; }

/* ---- 问题排查 ---- */
.problem {
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  background: var(--primary-subtle);
  border-left: 3px solid var(--primary);
}
.problem .tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.problem .q {
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px;
}
.problem .a {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.7;
}
.problem .a .step {
  display: block;
  margin-left: 16px;
  margin-bottom: 6px;
  position: relative;
}
.problem .a .step::before {
  content: '→';
  position: absolute;
  left: -16px;
  color: var(--primary);
}

/* ---- 筛选器 ---- */
.filters {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 40px;
}
.filter-card {
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--ease-quick);
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.filter-card:hover {
  border-color: var(--accent);
  background: #fffdf5;
}
.filter-card.active {
  border-color: var(--accent);
  background: var(--accent-subtle);
}
.filter-card .f-icon { font-size: 1.5rem; margin-bottom: 6px; display: block; }
.filter-card .f-label { font-size: 0.88rem; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.filter-card .f-count { font-size: 12px; color: var(--text-secondary); }
.filter-card.active .f-label { color: var(--esther-dark); }

/* ---- 复盘区块 ---- */
.day {
  padding-bottom: 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.day:last-child { border-bottom: none; }
.day .date {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.day h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.block {
  margin-bottom: 20px;
}
.block-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.block-label .tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.block-label .tag.cyan { background: var(--accent-subtle); color: var(--esther-dark); }
.block-label .tag.green { background: rgba(122,154,107,0.10); color: #5a7a4b; }
.block-label .tag.amber { background: rgba(247,169,70,0.12); color: #c47a20; }
.block-label .tag.purple { background: rgba(155,123,181,0.10); color: #7a5a95; }

.block-content {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.85;
}
.block-content ul { list-style: none; padding: 0; }
.block-content ul li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 6px;
}
.block-content ul li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--accent);
}

/* ---- 项目状态标签 ---- */
.status {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
}
.status.done { background: rgba(122,154,107,0.10); color: #5a7a4b; }
.status.ongoing { background: var(--accent-subtle); color: var(--esther-dark); }

/* ---- 标题分割 ---- */
.section-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin: 40px 0 20px;
  letter-spacing: -0.01em;
}

/* ---- 代码 ---- */
code {
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.82rem;
  background: rgba(0,0,0,0.04);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 6px;
}
pre {
  background: #f8f6f0;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  overflow-x: auto;
  margin: 12px 0;
}
pre code {
  background: none;
  padding: 0;
  color: var(--text);
}

/* ---- 页脚 ---- */
footer {
  background: var(--esther-dark);
  color: #fff;
  text-align: center;
  padding: 60px 24px;
}
footer .social {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-bottom: 20px;
}
footer .social a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  text-decoration: none;
  transition: all var(--ease-quick);
  padding-bottom: 4px;
}
footer .social a:hover { color: var(--accent); }
footer p {
  color: rgba(255,255,255,0.35);
  font-size: 13px;
  letter-spacing: 0.04em;
  line-height: 1.8;
}
footer .signature {
  margin-top: 16px;
  font-family: var(--font-cursive);
  font-size: 14px;
  color: rgba(255,255,255,0.25);
  transition: color var(--ease-quick);
}
footer .signature:hover { color: var(--accent); }

/* ---- 浮动标签 ---- */
.sig-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  font-family: var(--font-cursive);
  font-size: 13px;
  color: rgba(0,0,0,0.12);
  letter-spacing: 0.04em;
  transition: color var(--ease-quick);
  cursor: default;
  pointer-events: none;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}
.sig-float:hover { color: rgba(0,0,0,0.4); }

/* =============================================
   动画
   ============================================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }

/* ---- 卡片倾斜 ---- */
[data-tilt]:hover {
  transition: transform 0.15s ease-out;
}

/* =============================================
   响应式
   ============================================= */
@media (max-width: 768px) {
  nav { gap: 16px; padding: 16px 12px; flex-wrap: wrap; }
  nav a { font-size: 11px; letter-spacing: 0.04em; }
  .wrap { padding: 0 20px; }
  .wrap-narrow { padding: 0 20px; }
  .grid, .featured-grid { grid-template-columns: 1fr; }
  .content-section { padding: 60px 0; }
  .hero { padding: 1rem; }
  .terminal-window { border-radius: 8px; }
  .terminal-body { padding: 1.2rem 1rem 2rem; font-size: 0.8rem; min-height: 300px; }
  .terminal-header-title { display: none; }
  .hero-actions { flex-direction: column; align-items: center; }
  .opinion-slide { min-height: 50vh; padding: 3rem 1.5rem; }
  .sig-float {
    writing-mode: horizontal-tb;
    bottom: 16px;
    right: 16px;
    font-size: 11px;
  }
}

@media (max-width: 640px) {
  .dialog.woodsman { margin-left: 16px; }
  .filters { grid-template-columns: 1fr; }
  .banner { padding: 80px 0 36px; }
}