/* ==========================================================================
   Finn · 孟乐的数字岛屿 — 纸上剧场艺术级视觉系统与交互样式
   ========================================================================== */

/* --- 1. 设计系统变量 (Design Tokens) --- */
:root {
  /* 基础光感与材质 (日出白纸 Paper & Ink) */
  --paper: #f8f6f1;
  --paper-card: #ffffff;
  --paper-subtle: #f2efe7;
  --paper-hover: #eae6dc;
  --paper-trans: rgba(248, 246, 241, 0.9);

  /* 剧场舞台色系 (Theatre Colors) */
  --theatre-blue: #121824;
  --theatre-blue-surface: #1a2232;
  --theatre-gold: #d4a359;
  --theatre-gold-subtle: rgba(212, 163, 89, 0.15);
  --theatre-shadow: rgba(10, 14, 22, 0.3);

  /* 墨色与文字阶梯 */
  --ink: #1b1c18;
  --ink-soft: #42443a;
  --ink-muted: #727469;
  --ink-faint: #9c9e93;

  /* 结构线条与边框 */
  --line: #e2ded3;
  --line-light: #ece9e0;
  --line-focus: #c2beae;

  /* 标志性点缀色 (Terracotta Ochre 赭红) */
  --orange: #d9532f;
  --orange-hover: #c44522;
  --orange-subtle: #fcf0eb;
  --orange-glow: rgba(217, 83, 47, 0.22);

  /* 辅助调性 */
  --gold-accent: #c49646;
  --badge-bg: #ece9df;
  --toast-bg: #1b1c18;
  --toast-text: #f8f6f1;

  /* 阴影层级 */
  --shadow-sm: 0 2px 8px rgba(35, 30, 20, 0.04);
  --shadow-md: 0 12px 32px -8px rgba(35, 30, 20, 0.08), 0 1px 3px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 24px 50px -12px rgba(35, 30, 20, 0.14), 0 2px 8px rgba(0, 0, 0, 0.03);
  --shadow-glow: 0 0 30px var(--orange-glow);

  /* 字体家族 */
  --font-serif: "Cinzel", "Noto Serif SC", "Songti SC", "STSong", "source-han-serif-sc", "Georgia", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", Menlo, Consolas, Monaco, monospace;

  /* 尺寸与缓动 */
  --container-max: 1240px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* 深夜星屿主题 (Midnight Nebula Dark Mode) */
[data-theme="dark"] {
  --paper: #0d0f13;
  --paper-card: #151820;
  --paper-subtle: #1c202a;
  --paper-hover: #242937;
  --paper-trans: rgba(13, 15, 19, 0.9);

  --theatre-blue: #090c12;
  --theatre-blue-surface: #111622;
  --theatre-gold: #e5b35d;
  --theatre-gold-subtle: rgba(229, 179, 93, 0.15);
  --theatre-shadow: rgba(0, 0, 0, 0.6);

  --ink: #f0eff5;
  --ink-soft: #c8c9d4;
  --ink-muted: #888e9e;
  --ink-faint: #535968;

  --line: #242a38;
  --line-light: #1b202c;
  --line-focus: #3b445a;

  --orange: #f26a44;
  --orange-hover: #ff7d59;
  --orange-subtle: rgba(242, 106, 68, 0.14);
  --orange-glow: rgba(242, 106, 68, 0.35);

  --gold-accent: #e5b35d;
  --badge-bg: #1d2330;
  --toast-bg: #f0eff5;
  --toast-text: #0d0f13;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 12px 32px -8px rgba(0, 0, 0, 0.6), 0 1px 2px rgba(255, 255, 255, 0.03);
  --shadow-lg: 0 24px 50px -12px rgba(0, 0, 0, 0.8), 0 0 25px rgba(242, 106, 68, 0.12);
}

/* --- 2. 基础与全局排版重置 --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.4s var(--ease-smooth), color 0.4s var(--ease-smooth);
}

::selection {
  background-color: var(--orange);
  color: #ffffff;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--ease-smooth);
}

button, input {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
  user-select: none;
}

/* 无障碍跳过导航 */
.skip-link {
  position: fixed;
  top: -100px;
  left: 20px;
  background: var(--orange);
  color: #ffffff;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 600;
  transition: top 0.3s;
}
.skip-link:focus {
  top: 20px;
}

/* 顶部阅读进度条 */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--gold-accent));
  z-index: 1001;
  transition: width 0.1s linear;
}

/* 动态全屏背景画布 */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.65;
  transition: opacity 0.4s ease;
}
[data-theme="dark"] #bg-canvas {
  opacity: 0.85;
}

/* --- Awwwards 级纯棉特种纸纤维颗粒微噪点滤镜 (SVG Noise Grain) --- */
.paper-grain-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 998;
  opacity: 0.038;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  mix-blend-mode: multiply;
  transform: translateZ(0);
}
[data-theme="dark"] .paper-grain-overlay {
  opacity: 0.052;
  mix-blend-mode: screen;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
  position: relative;
  z-index: 1;
}

/* 手作纸胶带装饰类 (Washi Tape) */
.washi-tape {
  position: absolute;
  width: 90px;
  height: 24px;
  background-color: rgba(230, 222, 204, 0.7);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(2px);
  z-index: 5;
  pointer-events: none;
}
[data-theme="dark"] .washi-tape {
  background-color: rgba(60, 68, 85, 0.6);
}
.hero-tape {
  top: -10px;
  right: 40px;
  transform: rotate(3deg);
}
.card-tape-center {
  top: -10px;
  left: 50%;
  transform: translateX(-50%) rotate(-1.5deg);
}
.card-tape-left {
  top: -10px;
  left: 30px;
  transform: rotate(-3deg);
}
.card-tape-right {
  top: -10px;
  right: 30px;
  transform: rotate(2.5deg);
}

/* --- 3. 悬浮精致 Header 导航 --- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  background-color: var(--paper-trans);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: all 0.35s var(--ease-smooth);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 28px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* 品牌 Logo */
.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -1px;
}

.brand-text {
  font-family: var(--font-serif);
}

.brand-dot {
  color: var(--orange);
  transition: transform 0.3s var(--ease-spring);
}
.brand:hover .brand-dot {
  transform: scale(1.4);
}

.brand-separator {
  color: var(--line-focus);
  font-weight: 300;
  font-size: 18px;
}

.brand-sub {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  letter-spacing: 0.5px;
}

/* 核心导航链接 */
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: 6px 2px;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--orange);
  transition: all 0.25s var(--ease-smooth);
  transform: translateX(-50%);
  border-radius: 2px;
}

.nav-link:hover {
  color: var(--ink);
}
.nav-link:hover::after {
  width: 100%;
}

/* 顶部操作群 (票根、音效、主题、CTA) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 登岛航线票根按钮 (借鉴纸上剧场复古票根) */
.boarding-ticket-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #fffcf5, #f3eedf);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  transition: all 0.25s var(--ease-spring);
}
[data-theme="dark"] .boarding-ticket-pill {
  background: linear-gradient(135deg, #222938, #181d28);
  color: var(--ink);
  border-color: #31394d;
}

.boarding-ticket-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(217, 83, 47, 0.18);
  border-color: var(--orange);
}

.ticket-route {
  letter-spacing: 0.5px;
  color: var(--orange);
  font-weight: 700;
}

.ticket-divider {
  color: var(--line-focus);
}

.ticket-label {
  letter-spacing: 0.5px;
}

.ticket-badge {
  background-color: var(--orange);
  color: #ffffff;
  font-size: 10px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* --- 青岛海岸潮汐与海浪声景 (Ambient Surf Pill) --- */
.ambient-surf-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 38px;
  padding: 0 13px;
  border-radius: var(--radius-full);
  border: 1px solid var(--line);
  background-color: var(--paper-card);
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
  user-select: none;
  position: relative;
  white-space: nowrap;
  flex-shrink: 0;
}
.ambient-surf-pill:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.ambient-surf-pill.playing {
  border-color: var(--orange);
  background-color: var(--orange-subtle);
  color: var(--orange);
  box-shadow: 0 0 12px var(--orange-glow);
}
.surf-wave-icon {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
  width: 10px;
}
.surf-bar {
  width: 2px;
  background-color: currentColor;
  border-radius: 1px;
  transition: height 0.2s ease;
}
.surf-bar.b1 { height: 4px; }
.surf-bar.b2 { height: 9px; }
.surf-bar.b3 { height: 5px; }

.ambient-surf-pill.playing .surf-bar.b1 {
  animation: surfPulse 1.4s infinite ease-in-out;
}
.ambient-surf-pill.playing .surf-bar.b2 {
  animation: surfPulse 1.4s infinite ease-in-out 0.25s;
}
.ambient-surf-pill.playing .surf-bar.b3 {
  animation: surfPulse 1.4s infinite ease-in-out 0.5s;
}

@keyframes surfPulse {
  0%, 100% { height: 3px; }
  50% { height: 12px; }
}

/* 3D名片内嵌的潮汐声景微触点 */
.card-surf-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  font-size: 11px;
  color: var(--ink-muted);
  cursor: pointer;
  transition: color 0.2s;
}
.card-surf-btn:hover, .card-surf-btn.playing {
  color: var(--orange);
}
.surf-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--line-focus);
  transition: background-color 0.2s, transform 0.2s;
}
.card-surf-btn.playing .surf-dot {
  background-color: var(--orange);
  box-shadow: 0 0 6px var(--orange);
  animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.35); opacity: 1; }
}

.icon-button {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  background-color: var(--paper-card);
  transition: all 0.25s var(--ease-smooth);
}

.icon-button:hover {
  border-color: var(--line-focus);
  color: var(--ink);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* 音效图标切换 */
.sound-icon-off {
  display: none;
}
body.sound-muted .sound-icon-on {
  display: none;
}
body.sound-muted .sound-icon-off {
  display: block;
}

/* 主题图标切换 */
.theme-icon-moon {
  display: none;
}
[data-theme="dark"] .theme-icon-sun {
  display: none;
}
[data-theme="dark"] .theme-icon-moon {
  display: block;
}

.nav-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
  background-color: var(--ink);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  transition: all 0.25s var(--ease-smooth);
  white-space: nowrap;
}
[data-theme="dark"] .nav-contact-btn {
  background-color: var(--orange);
  color: #ffffff;
}

.nav-contact-btn:hover {
  background-color: var(--orange);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--orange-glow);
}
.nav-contact-btn svg {
  transition: transform 0.25s;
}
.nav-contact-btn:hover svg {
  transform: translate(2px, -2px);
}

/* --- 4. Hero 首屏区块 --- */
.hero-section {
  padding-top: 50px;
  padding-bottom: 90px;
  position: relative;
}

.hero-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

.hero-motto {
  display: flex;
  align-items: center;
  gap: 12px;
}

.motto-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 3px 8px;
  background-color: var(--badge-bg);
  color: var(--ink-soft);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.motto-text {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.8px;
  color: var(--ink-muted);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  background-color: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-soft);
  box-shadow: var(--shadow-sm);
}

.status-pulse {
  width: 8px;
  height: 8px;
  background-color: #22c55e;
  border-radius: 50%;
  position: relative;
}
.status-pulse::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background-color: rgba(34, 197, 94, 0.4);
  animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.hero-greeting {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.wave-icon {
  color: var(--orange);
  font-size: 14px;
  animation: spin-subtle 10s linear infinite;
}

@keyframes spin-subtle {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(38px, 5.2vw, 64px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -1px;
  color: var(--ink);
  margin-bottom: 26px;
}

.accent-word {
  color: var(--orange);
  position: relative;
  display: inline-block;
}

.accent-brush {
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 6px;
  background-color: var(--orange-subtle);
  z-index: -1;
  border-radius: 4px;
}

.hero-description {
  font-size: 18px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 40px;
}

/* 按钮规范 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  transition: all 0.28s var(--ease-spring);
  position: relative;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--ink);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .btn-primary {
  background-color: var(--orange);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--orange);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--orange-glow);
}

.btn-secondary {
  background-color: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-secondary:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
  background-color: var(--paper-card);
}
.btn-arrow {
  font-size: 18px;
  transition: transform 0.25s;
}
.btn-primary:hover .btn-arrow {
  transform: translate(2px, 2px);
}

.ticket-mark {
  font-size: 16px;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

.btn-outline {
  border: 1px solid var(--line);
  color: var(--ink-soft);
  background-color: var(--paper-card);
}
.btn-outline:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-1px);
}

/* 地理与坐标栏 */
.hero-location-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: var(--ink-muted);
  border-top: 1px dashed var(--line);
  padding-top: 20px;
}

.loc-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.loc-divider {
  color: var(--line-focus);
}

.radar-dot {
  width: 6px;
  height: 6px;
  background-color: var(--orange);
  border-radius: 50%;
}

/* --- 5. 3D 悬浮透视立体名片 --- */
.hero-card-wrapper {
  perspective: 1000px;
  display: flex;
  justify-content: center;
  position: relative;
}

.identity-card {
  width: 100%;
  max-width: 380px;
  background-color: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.2s cubic-bezier(0.2, 0, 0.2, 1), box-shadow 0.3s;
  cursor: default;
}

.identity-card:hover {
  box-shadow: var(--shadow-lg);
}

/* 玻璃反光层 */
.card-glare {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  background: radial-gradient(circle at var(--glare-x, 50%) var(--glare-y, 50%), rgba(255, 255, 255, 0.25) 0%, transparent 65%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 10;
}
.identity-card:hover .card-glare {
  opacity: 1;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  margin-bottom: 26px;
}

.card-state {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--orange);
}

.card-main-visual {
  margin-bottom: 24px;
}

.card-big-name {
  font-family: var(--font-serif);
  font-size: 72px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -2px;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.star-accent {
  color: var(--orange);
  font-size: 42px;
  font-weight: 400;
}

.card-cn-name {
  font-size: 14px;
  letter-spacing: 4px;
  font-weight: 600;
  color: var(--ink-muted);
  margin-top: 4px;
}

.card-divider-line {
  height: 1px;
  background-color: var(--line);
  margin-bottom: 22px;
}

.card-quote {
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.5;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 30px;
}

.card-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
}

.card-roles {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.8;
  letter-spacing: 1.2px;
  color: var(--ink-soft);
  display: flex;
  flex-direction: column;
}

/* 交互式复古盖印 */
.card-stamp {
  background-color: var(--orange);
  color: #ffffff;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transform: rotate(-5deg);
  box-shadow: 0 4px 12px var(--orange-glow);
  cursor: pointer;
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s;
  position: relative;
  user-select: none;
}

.card-stamp:hover {
  transform: rotate(-2deg) scale(1.06);
  box-shadow: 0 6px 18px var(--orange-glow);
}

.card-stamp:active, .card-stamp.stamped {
  transform: rotate(-7deg) scale(0.92);
}

.stamp-inner {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-align: center;
}

.stamp-sub {
  font-size: 9px;
  letter-spacing: 1.5px;
  font-weight: 800;
}

.stamp-main {
  font-family: var(--font-serif);
  font-size: 16px;
  font-style: italic;
  font-weight: 700;
}

.stamp-sparkle {
  position: absolute;
  top: -6px;
  right: -6px;
  font-size: 10px;
  color: var(--gold-accent);
  opacity: 0;
  transition: opacity 0.3s;
}
.card-stamp:hover .stamp-sparkle {
  opacity: 1;
}

.card-live-meta {
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
}

/* 底部引导滚动指示器 */
.hero-scroll-indicator {
  margin-top: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.indicator-quote {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  letter-spacing: 0.5px;
}

.scroll-down-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  transition: all 0.25s;
}
.scroll-down-btn:hover {
  color: var(--orange);
  transform: translateY(2px);
}
.scroll-down-btn svg {
  animation: bounce-subtle 2s infinite;
}

@keyframes bounce-subtle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

/* --- 6. 通用 Section 规范 --- */
.section {
  padding: 100px 0;
  position: relative;
  border-top: 1px solid var(--line);
}

.section-header {
  margin-bottom: 50px;
}

.section-header-flex {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 40px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--orange);
  font-family: var(--font-mono);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 3.8vw, 46px);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.25;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--ink-muted);
  margin-top: 10px;
}

/* --- 7. Section 01: 认识我 (Intro) --- */
.intro-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  margin-bottom: 50px;
}

.intro-quote-card {
  background-color: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px 34px;
  box-shadow: var(--shadow-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.intro-large-text {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.2vw, 36px);
  line-height: 1.45;
  color: var(--ink);
}

.highlight-text {
  color: var(--orange);
}

.quote-signature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--ink-muted);
  letter-spacing: 1.5px;
  margin-top: 30px;
}

.sig-line {
  width: 24px;
  height: 1px;
  background-color: var(--line-focus);
}

.body-lead {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 18px;
}

.body-text-flow p {
  font-size: 16px;
  color: var(--ink-soft);
  margin-bottom: 16px;
  line-height: 1.8;
}

/* 标签胶囊 */
.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background-color: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: all 0.25s var(--ease-smooth);
}
.tag-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--orange);
}
.tag-pill:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* 复制自我介绍模块 */
.intro-copy-box {
  background-color: var(--paper-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px 26px;
  margin-top: 30px;
}

.copy-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.copy-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.copy-badge {
  font-size: 11px;
  background-color: var(--badge-bg);
  color: var(--ink-muted);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.copy-content {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  background-color: var(--paper-card);
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--line);
  margin-bottom: 16px;
  user-select: all;
}

.copy-box-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.copy-hint {
  font-size: 12px;
  color: var(--ink-muted);
}

/* 场景引导手账卡片 */
.context-routes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 50px;
}

.route-card {
  background-color: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.28s var(--ease-spring);
}

.route-card:hover {
  border-color: var(--orange);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.route-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.route-tag {
  font-size: 12px;
  color: var(--ink-muted);
  font-weight: 500;
}

.route-arrow {
  color: var(--orange);
  font-weight: 700;
  font-size: 15px;
  transition: transform 0.25s;
}
.route-card:hover .route-arrow {
  transform: translate(3px, -3px);
}

.route-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.route-desc {
  font-size: 13px;
  color: var(--ink-muted);
}

/* --- 8. Section 02: 纸上剧场五拱门舞台 (The Theatre Stage) --- */
.theatre-stage {
  background: radial-gradient(ellipse at 50% 30%, var(--theatre-blue-surface) 0%, var(--theatre-blue) 100%);
  border-radius: var(--radius-lg);
  padding: 40px 30px 24px 30px;
  box-shadow: 0 20px 60px var(--theatre-shadow);
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
  margin-bottom: 50px;
}

.stage-banner {
  text-align: center;
  margin-bottom: 34px;
}

.stage-motto {
  display: block;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--theatre-gold);
  letter-spacing: 1px;
}

.stage-hint {
  font-size: 12px;
  color: #8c96ab;
  margin-top: 4px;
}

/* 五扇拱门网格 */
.five-arches-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  perspective: 1000px;
}

.arch-door {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  outline: none;
  transition: transform 0.3s var(--ease-spring);
}

.arch-door:hover {
  transform: translateY(-8px) scale(1.02);
}

.arch-frame {
  width: 100%;
  height: 240px;
  background: linear-gradient(180deg, #f0eee8 0%, #e0ddd3 100%);
  border-radius: 90px 90px 4px 4px;
  padding: 12px 10px 10px 10px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3), inset 0 2px 4px rgba(255, 255, 255, 0.8);
  position: relative;
  display: flex;
  flex-direction: column;
}

.arch-keystone {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  color: #6d7265;
  background-color: #dfdcd3;
  padding: 1px 8px;
  border-radius: 3px;
  z-index: 3;
}

/* 拱门内部场景纸雕 (Arch Scenery) */
.arch-scenery {
  flex: 1;
  border-radius: 80px 80px 2px 2px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 6px 16px rgba(0, 0, 0, 0.45);
}

/* 场景 1: 口播剪报室 */
.scenery-koubo {
  background: linear-gradient(180deg, #1b2434 0%, #0d121c 100%);
}
.new-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background-color: var(--orange);
  color: #ffffff;
  font-size: 9px;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 3px;
  font-family: var(--font-mono);
}
.scenery-papers {
  position: relative;
  width: 70px;
  height: 90px;
}
.sheet {
  position: absolute;
  background-color: #f7f6f0;
  border-radius: 3px;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.25);
}
.sheet-3 { inset: 10px -4px -10px 4px; background-color: #c94928; transform: rotate(-5deg); }
.sheet-2 { inset: 6px -2px -6px 2px; background-color: #e5e2d6; transform: rotate(3deg); }
.sheet-1 {
  inset: 0;
  padding: 8px 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.paper-title { font-size: 9px; font-weight: 800; color: #1a1b16; }
.paper-line { height: 2px; background-color: #c7c4b8; border-radius: 1px; }
.paper-line.short { width: 60%; }
.paper-mic-icon {
  position: absolute;
  bottom: 12px;
  font-size: 20px;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.4));
}

/* 场景 2: 空间构建台 */
.scenery-space {
  background: radial-gradient(circle at center, #26334a 0%, #0d1320 100%);
}
.paper-orbit {
  position: absolute;
  border: 1px dashed rgba(255, 255, 255, 0.3);
  border-radius: 50%;
}
.orbit-small { width: 70px; height: 70px; }
.orbit-big { width: 110px; height: 110px; }
.paper-planet {
  width: 16px;
  height: 16px;
  background: radial-gradient(circle at 30% 30%, #ff8a65, var(--orange));
  border-radius: 50%;
  box-shadow: 0 0 12px var(--orange);
}
.paper-typography {
  position: absolute;
  bottom: 12px;
  text-align: center;
  color: #ffffff;
  font-family: var(--font-serif);
}
.paper-typography span { display: block; font-size: 11px; letter-spacing: 2px; font-weight: 700; }
.paper-typography em { font-size: 9px; opacity: 0.7; font-style: normal; }

/* 场景 3: 价值实验室 */
.scenery-social {
  background: linear-gradient(180deg, #2b1f1a 0%, #150f0c 100%);
}
.paper-question-monolith {
  font-family: var(--font-serif);
  font-size: 58px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.4));
}
.paper-heart {
  position: absolute;
  bottom: 16px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background-color: rgba(255, 255, 255, 0.15);
  padding: 2px 8px;
  border-radius: 10px;
}

/* 场景 4: 原生开发台 */
.scenery-dev {
  background: #0f233a;
  background-image: linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 12px 12px;
}
.paper-code-block {
  background-color: #f7f6f0;
  border-radius: 3px;
  padding: 8px 10px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}
.paper-code-block span { display: block; font-size: 11px; font-weight: 800; color: #0d1b2a; }
.paper-code-block em { font-size: 9px; color: var(--orange); font-family: var(--font-mono); }

/* 场景 5: 真实生活角 */
.scenery-life {
  background: linear-gradient(180deg, #2c251e 0%, #17130f 100%);
}
.paper-coffee-cup {
  font-size: 32px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}
.paper-shaker {
  position: absolute;
  bottom: 14px;
  font-size: 10px;
  font-weight: 700;
  background-color: var(--gold-accent);
  color: #ffffff;
  padding: 2px 8px;
  border-radius: 10px;
}

/* 拱门底部说明 */
.arch-caption {
  text-align: center;
  margin-top: 12px;
  color: #ffffff;
}

.arch-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--theatre-gold);
  letter-spacing: 1px;
}

.arch-name {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-top: 2px;
  letter-spacing: 0.5px;
}

.arch-desc {
  display: block;
  font-size: 11px;
  color: #9ba4b6;
  margin-top: 2px;
  line-height: 1.3;
}

/* 舞台底部台阶 */
.stage-steps-base {
  margin-top: 30px;
  position: relative;
}
.step-tier {
  height: 8px;
  border-radius: 4px;
}
.tier-1 {
  background: linear-gradient(90deg, #1b2333, #2a364e, #1b2333);
}
.tier-2 {
  height: 6px;
  background: linear-gradient(90deg, #0e131d, #1c2434, #0e131d);
  margin-top: 2px;
}

/* --- 详细工坊工作台展厅 (Workshop Studio View) --- */
.workshop-studio-view {
  background-color: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
  margin-bottom: 50px;
  position: relative;
  animation: fadeInStudio 0.35s var(--ease-spring);
}

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

.studio-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 26px;
  flex-wrap: wrap;
  gap: 16px;
}

.btn-back-overview {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  background-color: var(--paper-subtle);
  border: 1px solid var(--line);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  transition: all 0.2s;
}
.btn-back-overview:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateX(-2px);
}

.studio-pagination {
  display: flex;
  align-items: center;
  gap: 12px;
}

.studio-ch-indicator {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
  background-color: var(--orange-subtle);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.studio-current-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}

.studio-nav-arrows {
  display: flex;
  gap: 8px;
}

.studio-arrow {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-soft);
  background-color: var(--paper-subtle);
  transition: all 0.2s;
}
.studio-arrow:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: scale(1.05);
}

/* 真实度三视角切换器 (01 看产物 / 02 看返工 / 03 看取舍) */
.perspective-container {
  margin-top: 10px;
}

.perspective-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

.persp-hint {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--ink-muted);
}

.persp-tabs {
  display: flex;
  gap: 8px;
  background-color: var(--paper-subtle);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--line);
}

.persp-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-muted);
  transition: all 0.25s var(--ease-spring);
}

.persp-tab:hover {
  color: var(--ink);
}

.persp-tab.active {
  background-color: var(--ink);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .persp-tab.active {
  background-color: var(--orange);
  color: #ffffff;
}

.tab-idx {
  font-family: var(--font-mono);
  font-size: 10px;
  opacity: 0.7;
}

/* 工作台展屏内容排版 */
.studio-display-panel {
  background-color: var(--paper-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 30px 28px;
  min-height: 280px;
}

.panel-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.panel-badge {
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}
.badge-output { background-color: var(--badge-bg); color: var(--ink); }
.badge-rework { background-color: rgba(217, 83, 47, 0.15); color: var(--orange); }
.badge-tradeoff { background-color: rgba(79, 140, 201, 0.15); color: #3b7bb5; }

.panel-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
}

.panel-body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.panel-details-list {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.detail-point-box {
  background-color: var(--paper-card);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}
.point-title { font-size: 13px; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.point-desc { font-size: 12px; color: var(--ink-muted); line-height: 1.6; }

/* 个人网站归档条 */
.archive-bar {
  background-color: var(--paper-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.archive-eyebrow {
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 1.5px;
  font-weight: 700;
  color: var(--orange);
}

.archive-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  margin-top: 2px;
}

.archive-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.archive-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  background-color: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  color: var(--ink-soft);
  transition: all 0.25s;
}
.archive-link:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-1px);
}
.archive-link .arrow {
  font-weight: 700;
}

/* --- 9. Section 03: 表达与思考 (Notes) --- */
.manifesto-card {
  background-color: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 46px;
  position: relative;
}

.manifesto-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 12px;
}

.manifesto-pill {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  font-family: var(--font-mono);
  background-color: var(--badge-bg);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
}

.manifesto-hint {
  font-size: 12px;
  color: var(--orange);
  font-weight: 600;
}

.manifesto-heading {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 34px;
}

/* 双层压缩模型对比 */
.compression-model-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  margin-bottom: 34px;
}

.model-box {
  background-color: var(--paper-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 26px;
  transition: all 0.3s;
}
.model-box:hover {
  border-color: var(--line-focus);
  transform: translateY(-2px);
}

.model-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  font-family: var(--font-mono);
  color: var(--ink-muted);
  margin-bottom: 12px;
}

.model-flow {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}
.model-flow span {
  color: var(--orange);
}

.model-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.manifesto-quote-banner {
  border-top: 1px dashed var(--line);
  padding-top: 26px;
  text-align: center;
}
.manifesto-quote-banner p {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
}
.accent-highlight {
  color: var(--orange);
}

/* 4 篇精选随笔手账 */
.essays-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.essay-card {
  background-color: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s var(--ease-spring);
}

.essay-card:hover {
  border-color: var(--orange);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.essay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.essay-num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--orange);
}

.essay-readtime {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--ink-muted);
}

.essay-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 14px;
}

.essay-excerpt p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.essay-pullquote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--orange);
  background-color: var(--orange-subtle);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--orange);
  margin-top: 14px;
}

.essay-callout-code {
  margin-top: 14px;
  background-color: var(--paper-subtle);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--line);
}
.essay-callout-code code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* --- 10. Section 04: 生活手感 (Life Bento Grid) --- */
.life-bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.bento-card {
  background-color: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s var(--ease-spring);
  position: relative;
  overflow: hidden;
}

.bento-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--line-focus);
}

.bento-hero {
  grid-column: span 7;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-sensory {
  grid-column: span 5;
}

.bento-item {
  grid-column: span 6;
}

.bento-wide {
  grid-column: span 12;
}

.bento-tag {
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 1.5px;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 16px;
  display: block;
}

.bento-title {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 18px;
}

.bento-text {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 28px;
}

.bento-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.bento-index {
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--ink-muted);
}

.bento-icon {
  font-size: 18px;
}

.bento-heading {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}

.bento-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.bento-chips, .flavor-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.bento-chips span, .flavor-badges span {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background-color: var(--paper-subtle);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-weight: 500;
}

.badge-mixology {
  border-color: var(--orange) !important;
  color: var(--orange) !important;
  font-weight: 600 !important;
}

/* --- 11. Section 05: 合作与闭环 (Collaborate) --- */
.collab-intro {
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-top: 12px;
}

.collab-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-bottom: 50px;
}

.collab-card {
  background-color: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s var(--ease-spring);
}

.collab-card:hover {
  border-color: var(--orange);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.collab-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.collab-num {
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 1.5px;
  font-weight: 700;
  color: var(--orange);
}

.collab-badge {
  font-size: 11px;
  background-color: var(--badge-bg);
  color: var(--ink-muted);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.collab-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}

.collab-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin-bottom: 24px;
}

.collab-target {
  font-size: 12px;
  color: var(--ink-muted);
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.target-label {
  font-weight: 600;
  color: var(--ink);
}

/* 4 步标准化闭环流程 */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  margin-bottom: 50px;
}

.process-step {
  background-color: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.step-circle {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 800;
  color: var(--orange);
  margin-bottom: 14px;
}

.step-title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-muted);
}

/* 合作意向快速拼装器 (Collab Kickstart) */
.collab-builder-box {
  background-color: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 30px;
}

.builder-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.builder-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  color: var(--ink);
}

.builder-sub {
  font-size: 13px;
  color: var(--ink-muted);
}

.form-row {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.options-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.opt-pill {
  padding: 7px 16px;
  background-color: var(--paper-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 500;
  transition: all 0.2s;
}

.opt-pill:hover {
  border-color: var(--line-focus);
}

.opt-pill.active {
  background-color: var(--orange);
  border-color: var(--orange);
  color: #ffffff;
  box-shadow: 0 2px 8px var(--orange-glow);
}

.form-row-inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.input-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.input-group input {
  width: 100%;
  background-color: var(--paper-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 14px;
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-subtle);
}

.builder-preview-area {
  margin-top: 24px;
  background-color: var(--paper-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px dashed var(--line);
}

.preview-label {
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  font-weight: 700;
  color: var(--ink-muted);
  margin-bottom: 8px;
}

.preview-box {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  background-color: var(--paper-card);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  margin-bottom: 16px;
}

.preview-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.caption-note {
  font-size: 13px;
  color: var(--ink-muted);
  text-align: center;
}

/* --- 12. Section 06: 航线连接 / 联系 (Contact) --- */
.contact-section {
  background-color: #1a1c18;
  color: #eceee8;
  padding: 100px 0 110px 0;
  position: relative;
  border-top: 1px solid #2b2e27;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.contact-eyebrow {
  color: var(--orange);
  margin-bottom: 16px;
}

.beacon-dot {
  width: 6px;
  height: 6px;
  background-color: var(--orange);
  border-radius: 50%;
  animation: pulse-ring 2s infinite;
}

.contact-heading {
  font-family: var(--font-serif);
  font-size: clamp(34px, 4.5vw, 56px);
  font-weight: 700;
  line-height: 1.2;
  color: #ffffff;
  margin-bottom: 24px;
}

.accent-gradient {
  color: var(--orange);
  background: linear-gradient(90deg, #ff7a52, #f5a623);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.contact-lead {
  font-size: 17px;
  line-height: 1.75;
  color: #a7aaa0;
  margin-bottom: 36px;
}

.contact-actions-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}

.btn-contact-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--orange);
  color: #ffffff;
  padding: 13px 26px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 4px 16px var(--orange-glow);
  transition: all 0.25s var(--ease-spring);
}
.btn-contact-primary:hover {
  background-color: var(--orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--orange-glow);
}

.btn-contact-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: transparent;
  color: #ffffff;
  border: 1px solid #3c4038;
  padding: 13px 24px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  transition: all 0.25s;
}
.btn-contact-secondary:hover {
  border-color: #ffffff;
  transform: translateY(-2px);
}

.contact-direct-info {
  display: flex;
  gap: 30px;
  border-top: 1px solid #2e322b;
  padding-top: 24px;
  margin-bottom: 28px;
}

.direct-item {
  display: flex;
  flex-direction: column;
}

.direct-label {
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  color: #7f8378;
  margin-bottom: 4px;
}

.direct-val {
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
}

.social-links-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  padding: 6px 14px;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid #383c34;
  border-radius: var(--radius-full);
  color: #c4c7bd;
  transition: all 0.25s;
}
.social-chip:hover {
  border-color: var(--orange);
  color: #ffffff;
  transform: translateY(-1px);
}
.ext-arrow {
  font-size: 11px;
  opacity: 0.7;
}

/* 微信二维码展示卡片 */
.contact-side {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.qr-showcase-card {
  width: 100%;
  max-width: 320px;
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  color: #1b1c18;
  transition: transform 0.3s var(--ease-spring);
}
.qr-showcase-card:hover {
  transform: translateY(-4px);
}

.qr-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.user-avatar-badge {
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar-initial {
  width: 34px;
  height: 34px;
  background-color: var(--orange);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
}

.avatar-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.user-nickname {
  font-size: 14px;
  font-weight: 700;
}

.user-region {
  font-size: 11px;
  color: #72746a;
}

.qr-zoom-hint {
  color: #9c9e93;
}

.qr-img-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid #e5e2d8;
  cursor: pointer;
}

.qr-image {
  width: 100%;
  height: auto;
  transition: transform 0.35s ease;
}
.qr-img-wrapper:hover .qr-image {
  transform: scale(1.03);
}

.qr-overlay-hover {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.25s;
}
.qr-img-wrapper:hover .qr-overlay-hover {
  opacity: 1;
}

.qr-card-footer {
  text-align: center;
  margin-top: 14px;
}

.scan-note {
  display: block;
  font-size: 12px;
  color: #72746a;
  margin-bottom: 8px;
}

.btn-text-copy {
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
  transition: color 0.2s;
}
.btn-text-copy:hover {
  text-decoration: underline;
}

.contact-polite-tip {
  font-size: 13px;
  line-height: 1.6;
  color: #85897e;
  text-align: center;
  margin-top: 20px;
}

/* --- 13. 页脚 (Footer) --- */
.site-footer {
  background-color: var(--paper);
  border-top: 1px solid var(--line);
  padding: 40px 0;
  font-size: 13px;
  color: var(--ink-muted);
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
}

.footer-links-wrap {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-quote {
  font-style: italic;
  color: var(--ink-faint);
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--ink-soft);
  transition: all 0.25s;
}
.back-to-top:hover {
  color: var(--orange);
  transform: translateY(-2px);
}

.footer-github-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--ink-soft);
  transition: all 0.25s;
}
.footer-github-link:hover {
  color: var(--orange);
  transform: translateY(-1px);
}

.contact-github-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background-color: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-top: 12px;
  transition: all 0.25s var(--ease-spring);
  box-shadow: var(--shadow-sm);
}
.contact-github-badge:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --- 14. 弹窗与反馈组件 (Modals & Toast) --- */
.toast-popup {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: var(--toast-bg);
  color: var(--toast-text);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: all 0.35s var(--ease-spring);
}

.toast-popup.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.toast-icon {
  width: 20px;
  height: 20px;
  background-color: var(--orange);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 900;
}

/* 登岛航线票根弹窗 (Boarding Pass Ticket Modal) */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.68);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 20px;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.ticket-dialog {
  max-width: 480px !important;
  background: transparent !important;
  box-shadow: none !important;
  padding: 0 !important;
}

.ticket-modal-card {
  background: linear-gradient(135deg, #fdfbf7 0%, #f4ede1 100%);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid #dfd8c8;
  color: #1a1c18;
  overflow: hidden;
  position: relative;
}

.ticket-card-header {
  background-color: #182030;
  color: #ffffff;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.airline-brand {
  display: flex;
  flex-direction: column;
}

.airline-logo {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--theatre-gold);
}

.airline-slogan {
  font-size: 10px;
  font-family: var(--font-mono);
  color: #9ba4b6;
  margin-top: 2px;
}

.ticket-class {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  background-color: var(--orange);
  color: #ffffff;
  padding: 2px 8px;
  border-radius: 4px;
}

.ticket-body {
  padding: 24px;
}

.ticket-flight-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.flight-city {
  display: flex;
  flex-direction: column;
}

.city-code {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 800;
  color: #1a1c18;
  line-height: 1;
}

.city-name {
  font-size: 11px;
  color: #72746a;
  margin-top: 4px;
}

.flight-path {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  padding: 0 16px;
}

.flight-no {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--orange);
  font-weight: 700;
}

.path-line {
  width: 100%;
  height: 1px;
  border-top: 1px dashed #b2ada0;
  position: relative;
  margin: 6px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.plane-icon {
  position: absolute;
  background-color: #f7f3ea;
  padding: 0 4px;
  font-size: 12px;
  color: #1a1c18;
}

.flight-status {
  font-size: 9px;
  font-family: var(--font-mono);
  color: #22c55e;
  font-weight: 700;
}

/* 齿孔裁切线 */
.ticket-divider-perforated {
  position: relative;
  height: 20px;
  margin: 0 -24px 18px -24px;
  display: flex;
  align-items: center;
}

.hole {
  width: 20px;
  height: 20px;
  background-color: rgba(0, 0, 0, 0.68);
  border-radius: 50%;
  position: absolute;
}
.left-hole { left: -10px; }
.right-hole { right: -10px; }

.perforated-dash {
  width: 100%;
  height: 1px;
  border-top: 1px dashed #c4beaf;
}

.ticket-guest-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.guest-info {
  flex: 1;
}

.field-label {
  display: block;
  font-size: 10px;
  font-family: var(--font-mono);
  color: #8c887b;
  letter-spacing: 1px;
  margin-bottom: 2px;
}

.field-value {
  font-family: var(--font-serif);
  font-size: 18px;
  color: #1a1c18;
}

.guest-welcome {
  font-size: 12px;
  color: #65695e;
  line-height: 1.6;
  margin-top: 8px;
}

.guest-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ticket-qr-img {
  width: 90px;
  height: auto;
  border-radius: 6px;
  border: 1px solid #d9d3c5;
}

.qr-scan-label {
  font-size: 10px;
  color: #72746a;
  margin-top: 4px;
}

.ticket-footer-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px dashed #dfd8c8;
  padding-top: 16px;
}

.ticket-barcode {
  display: flex;
  flex-direction: column;
}

.barcode-bars {
  font-family: monospace;
  letter-spacing: 3px;
  font-size: 12px;
  color: #4a4d44;
}

.barcode-no {
  font-size: 10px;
  font-family: var(--font-mono);
  color: #8c887b;
}

/* 微信二维码全屏弹窗 */
.modal-dialog {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 30px;
  max-width: 420px;
  width: 100%;
  position: relative;
  transform: scale(0.92);
  transition: transform 0.3s var(--ease-spring);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
}
.modal-backdrop.open .modal-dialog {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #f0eee6;
  color: #1b1c18;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  transition: background-color 0.2s;
  z-index: 10;
}
.modal-close-btn:hover {
  background-color: #e2ded2;
}

.modal-qr-img {
  width: 100%;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.modal-info {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: #1b1c18;
}

/* --- 15. 响应式布局适配 (Responsive Queries) --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .hero-card-wrapper {
    justify-content: flex-start;
  }
  .five-arches-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
  .life-bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-hero, .bento-sensory, .bento-item, .bento-wide {
    grid-column: span 1;
  }
  .collab-grid {
    grid-template-columns: 1fr;
  }
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .contact-side {
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 64px;
  }
  .header-inner {
    padding: 0 16px;
    gap: 8px;
  }
  .brand {
    font-size: 20px;
    gap: 4px;
  }
  .brand-sub, .brand-separator {
    display: none;
  }
  .main-nav {
    display: none;
  }
  .boarding-ticket-pill .ticket-route,
  .boarding-ticket-pill .ticket-divider {
    display: none;
  }
  .boarding-ticket-pill {
    padding: 5px 10px;
    font-size: 11px;
  }
  .header-actions {
    gap: 6px;
  }
  .icon-button {
    width: 32px;
    height: 32px;
  }
  .ambient-surf-pill {
    height: 32px;
    padding: 0 9px;
    font-size: 11px;
    gap: 5px;
  }
  .nav-contact-btn {
    padding: 5px 10px;
    font-size: 11px;
    white-space: nowrap;
  }
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .hero-meta-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .hero-motto {
    flex-wrap: wrap;
    gap: 8px;
  }
  .motto-text {
    font-size: 11px;
    letter-spacing: 1px;
  }
  .status-badge {
    white-space: nowrap;
    font-size: 11px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }
  .hero-actions .btn {
    width: 100%;
    white-space: nowrap;
  }
  .hide-mobile {
    display: none;
  }
  .hero-grid {
    gap: 40px;
  }
  .identity-card {
    max-width: 100%;
    padding: 26px 20px;
  }
  .card-big-name {
    font-size: 56px;
  }
  .five-arches-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .arch-frame {
    height: 180px;
  }
  .persp-tabs {
    width: 100%;
    justify-content: space-between;
  }
  .persp-tab {
    padding: 6px 12px;
    font-size: 12px;
  }
  .panel-details-list {
    grid-template-columns: 1fr;
  }
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .context-routes {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .compression-model-grid {
    grid-template-columns: 1fr;
  }
  .essays-grid {
    grid-template-columns: 1fr;
  }
  .process-timeline {
    grid-template-columns: 1fr;
  }
  .form-row-inline {
    grid-template-columns: 1fr;
  }
  .footer-container {
    flex-direction: column;
    align-items: flex-start;
  }
  .contact-direct-info {
    flex-direction: column;
    gap: 16px;
  }
  .contact-actions-row {
    flex-direction: column;
    width: 100%;
  }
  .btn-contact-primary, .btn-contact-secondary {
    width: 100%;
    justify-content: center;
  }
}

/* --- 移动端触觉手感微物理 (Mobile Tactile & Spring Physics) --- */
.btn:active,
.icon-button:active,
.ambient-surf-pill:active,
.boarding-ticket-pill:active,
.card-surf-btn:active,
.arch-door:active,
.persp-tab:active,
.route-card:active {
  transform: scale(0.965) !important;
  transition: transform 0.12s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* 移动端细腻特种纸纸边阴影 */
@media (max-width: 768px) {
  .identity-card,
  .route-card,
  .workshop-studio-view,
  .manifesto-card,
  .bento-card,
  .collab-builder-card {
    box-shadow: 0 4px 16px rgba(35, 30, 20, 0.06), 0 1px 2px rgba(0, 0, 0, 0.03);
    border: 1px solid var(--line);
  }
  [data-theme="dark"] .identity-card,
  [data-theme="dark"] .route-card,
  [data-theme="dark"] .workshop-studio-view,
  [data-theme="dark"] .manifesto-card,
  [data-theme="dark"] .bento-card,
  [data-theme="dark"] .collab-builder-card {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--line);
  }
}