/* ============================================
   商业视频创作者作品集 — 整体改版
   设计方向：高级、克制、现代、专业
   ============================================ */

:root {
  /* 色彩系统 */
  --bg-dark: #0C0C0E;
  --bg-dark-2: #16161A;
  --bg-light: #F7F7F5;
  --bg-white: #FFFFFF;
  --text-light: #F5F5F3;
  --text-light-2: #A8A8A4;
  --text-dark: #151515;
  --text-secondary: #666666;
  --text-tertiary: #999999;
  --accent: #9D2947;
  --accent-light: #B8354F;
  --accent-dim: rgba(157,41,71,0.08);
  --border: #E4E4E1;
  --border-dark: rgba(255,255,255,0.1);

  /* 圆角 */
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* 间距 */
  --max-width: 1280px;
  --content-width: 1180px;
  --padding-x: 64px;
  --section-gap: 100px;
  --subsection-gap: 56px;

  /* 字体 */
  --font: 'Poppins', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;

  /* 动效 */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.4s;
}

/* ===== Reset ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
*::selection { background: var(--accent); color: #fff; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg-white);
  color: var(--text-dark);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ===== 背景网格 ===== */
.bg-grid {
  position: fixed; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(0,0,0,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.018) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

/* ===== 导航 ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--padding-x);
  transition: background var(--dur) var(--ease), padding var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.navbar:not(.scrolled) {
  background: transparent;
}
.navbar.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 12px var(--padding-x);
  box-shadow: 0 1px 0 var(--border);
}
.navbar-brand {
  font-size: 16px; font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-light);
  transition: color var(--dur) var(--ease);
}
.navbar.scrolled .navbar-brand { color: var(--text-dark); }
.brand-dot { color: var(--accent); }

.navbar-links {
  display: flex; gap: 32px;
  list-style: none;
}
.navbar-links a {
  font-size: 14px; font-weight: 500;
  color: rgba(245,245,243,0.7);
  transition: color var(--dur) var(--ease);
  position: relative;
  padding: 4px 0;
}
.navbar.scrolled .navbar-links a { color: var(--text-secondary); }
.navbar-links a:hover { color: var(--accent); }
.navbar.scrolled .navbar-links a:hover { color: var(--accent); }

.navbar-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  padding: 8px;
}
.navbar-toggle span {
  width: 22px; height: 2px;
  background: var(--text-light);
  border-radius: 2px;
  transition: all var(--dur) var(--ease);
}
.navbar.scrolled .navbar-toggle span { background: var(--text-dark); }
.navbar-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-toggle.open span:nth-child(2) { opacity: 0; }
.navbar-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 500;
  padding: 12px 28px;
  border-radius: var(--radius);
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-light); transform: translateY(-1px); }
.btn-outline {
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--text-light);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-outline-light {
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--text-light);
}
.btn-outline-light:hover { border-color: var(--accent); color: var(--accent-light); }
.btn-text {
  color: var(--text-light-2);
  padding: 12px 8px;
}
.btn-text:hover { color: var(--accent); }
.btn-dark {
  background: var(--text-dark);
  color: #fff;
}
.btn-dark:hover { background: #333; }

/* ===== Section 通用 ===== */
section {
  padding: var(--section-gap) var(--padding-x);
  position: relative;
}
.section-head {
  max-width: var(--content-width);
  margin: 0 auto 56px;
}
.section-kicker {
  font-size: 13px; font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: 40px; font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-top: 16px;
  max-width: 600px;
}

/* --- 个人自媒体标题 + 社交按钮 --- */
.section-head--creator {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.section-head--creator .section-head__text {
  flex: 1 1 0;
  min-width: 260px;
}
.section-head__social {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}
.section-head__social .social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-dark);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--dur) var(--ease);
  text-decoration: none;
}
.section-head__social .social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}
.section-head__social .social-link svg {
  width: 18px; height: 18px;
}

/* ============================================
   左侧章节导航
   ============================================ */
.chapter-nav {
  position: fixed;
  left: clamp(24px, 3vw, 56px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 16px;
  pointer-events: none;
}

/* 纵向轨道 — 绝对定位，位置由 JS 通过 CSS 变量写入 */
.chapter-nav-track {
  position: absolute;
  left: var(--track-x, 0px);
  top: var(--track-top, 0px);
  width: 1px;
  height: var(--track-height, 0px);
  background: rgba(20,20,20,0.10);
  border-radius: 1px;
  pointer-events: none;
}
.chapter-nav--dark .chapter-nav-track {
  background: rgba(255,255,255,0.08);
}
/* 红色进度线 — 与轨道共用起点和 x 坐标 */
.chapter-nav-progress {
  position: absolute;
  left: var(--track-x, 0px);
  top: var(--track-top, 0px);
  width: 2px;
  height: var(--progress-height, 0px);
  background: var(--accent);
  border-radius: 1px;
  pointer-events: none;
  transform-origin: top;
  transition: height 360ms cubic-bezier(0.22, 1, 0.36, 1);
}
@media (prefers-reduced-motion: reduce) {
  .chapter-nav-progress { transition: none; }
  .m-chapter-bar-fill { transition: none; }
  .m-chapter { transition: none !important; }
  .m-chapter-panel-sheet { transition: none; }
}

/* 导航列表 */
.chapter-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  z-index: 1;
}
.chapter-nav-item {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 50px;
  pointer-events: auto;
}

/* 按钮（可点击区域 ≥ 32px） */
.chapter-nav-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 8px;
  min-width: 32px;
  min-height: 32px;
  font: inherit;
  color: inherit;
  outline: none;
  position: relative;
}
.chapter-nav-btn:focus-visible {
  box-shadow: 0 0 0 2px var(--accent);
  border-radius: 4px;
}

/* 编号 */
.chapter-nav-num {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  font-weight: 600;
  width: 20px;
  text-align: right;
  color: rgba(20,20,20,0.25);
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
  flex-shrink: 0;
}
.chapter-nav--dark .chapter-nav-num {
  color: rgba(255,255,255,0.20);
}

/* 节点 */
.chapter-nav-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(20,20,20,0.22);
  flex-shrink: 0;
  transition: all 0.3s var(--ease);
}
.chapter-nav--dark .chapter-nav-dot {
  background: rgba(255,255,255,0.18);
}

/* 栏目名称 */
.chapter-nav-label {
  font-size: 13px;
  font-weight: 500;
  color: rgba(20,20,20,0.28);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), color 0.3s var(--ease);
  pointer-events: none;
}
.chapter-nav--dark .chapter-nav-label {
  color: rgba(255,255,255,0.22);
}

/* 当前激活项 */
.chapter-nav-item.active .chapter-nav-num {
  color: var(--accent);
  transform: scale(1.05);
}
.chapter-nav-item.active .chapter-nav-dot {
  width: 9px;
  height: 9px;
  background: var(--accent);
}
.chapter-nav-item.active .chapter-nav-label {
  color: var(--accent);
  opacity: 1;
  transform: translateX(0);
}
.chapter-nav--dark .chapter-nav-item.active .chapter-nav-label {
  color: var(--accent);
}

/* Hover 展开所有栏目名称 */
.chapter-nav:hover .chapter-nav-label {
  opacity: 1;
  transform: translateX(0);
}
.chapter-nav:hover .chapter-nav-item:not(.active) .chapter-nav-label {
  color: rgba(20,20,20,0.35);
}
.chapter-nav--dark:hover .chapter-nav-item:not(.active) .chapter-nav-label {
  color: rgba(255,255,255,0.30);
}

/* 轻度背景 */
.chapter-nav-bg {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-radius: 8px;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  z-index: -1;
}
.chapter-nav--dark .chapter-nav-bg {
  background: rgba(0,0,0,0.25);
}
.chapter-nav:hover .chapter-nav-bg {
  opacity: 1;
}

/* 响应式：768-1199px — 极简侧边轨道 */
@media (max-width: 1199px) {
  .chapter-nav {
    left: 14px;
  }
  .chapter-nav-track {
    width: 1px;
  }
  .chapter-nav-label { display: none; }
  .chapter-nav:hover .chapter-nav-label { display: inline; }
  .chapter-nav-btn {
    padding: 6px 6px;
    min-width: 36px;
    min-height: 36px;
  }
  .chapter-nav-num { font-size: 11px; width: 16px; }
}

/* 响应式：<768px — 隐藏左侧导航，显示底部指示器 */
@media (max-width: 767px) {
  .chapter-nav { display: none !important; }
}

/* ============================================
   手机端底部章节指示器
   ============================================ */
.m-chapter {
  display: none;
  position: fixed;
  bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  left: 16px;
  right: 16px;
  z-index: 950;
  background: rgba(247, 247, 245, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 14px;
  padding: 10px 16px 8px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  transition: transform 0.28s var(--ease),
              opacity 0.35s var(--ease),
              background 0.3s var(--ease),
              border-color 0.3s var(--ease);
}
/* 手机端显示 */
@media (max-width: 767px) {
  .m-chapter { display: block; }
}

/* 触发按钮 */
.m-chapter-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font: inherit;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.m-chapter-trigger:active {
  transform: scale(0.985);
}
.m-chapter-trigger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

/* 编号 */
.m-chapter-num {
  font-family: 'Courier New', monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  min-width: 20px;
}

/* 章节名称 */
.m-chapter-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  flex: 1;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

/* 位置提示 */
.m-chapter-pos {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: rgba(20,20,20,0.3);
  white-space: nowrap;
  flex-shrink: 0;
}

/* 展开箭头 */
.m-chapter-arrow {
  color: rgba(20,20,20,0.25);
  flex-shrink: 0;
  transition: transform 0.25s var(--ease);
  display: flex;
}
.m-chapter--pinned .m-chapter-arrow {
  transform: rotate(180deg);
}

/* 进度条 */
.m-chapter-bar {
  height: 2px;
  background: rgba(20,20,20,0.08);
  border-radius: 1px;
  margin-top: 7px;
  overflow: hidden;
}
.m-chapter-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 1px;
  width: 0%;
  transition: width 0.35s var(--ease);
}

/* --- 深色section --- */
.m-chapter--dark {
  background: rgba(12, 12, 14, 0.88);
  border-color: rgba(255,255,255,0.08);
  box-shadow: 0 2px 16px rgba(0,0,0,0.25);
}
.m-chapter--dark .m-chapter-num {
  color: #d34a62;
}
.m-chapter--dark .m-chapter-name {
  color: #f5f5f3;
}
.m-chapter--dark .m-chapter-pos {
  color: rgba(255,255,255,0.3);
}
.m-chapter--dark .m-chapter-arrow {
  color: rgba(255,255,255,0.25);
}
.m-chapter--dark .m-chapter-bar {
  background: rgba(255,255,255,0.1);
}

/* --- 滚动隐藏 --- */
.m-chapter--hidden {
  transform: translateY(calc(100% + 24px));
}

/* --- 面板打开时锁定显示 --- */
.m-chapter--pinned {
  transform: translateY(0) !important;
}

/* ============================================
   手机端章节目录面板（Bottom Sheet）
   ============================================ */
.m-chapter-panel {
  position: fixed;
  inset: 0;
  z-index: 980;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.m-chapter-panel.open {
  pointer-events: auto;
  opacity: 1;
}

/* 遮罩 */
.m-chapter-panel-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
}

/* 底部弹出层 */
.m-chapter-panel-sheet {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: min(70vh, 560px);
  background: #fff;
  border-radius: 18px 18px 0 0;
  padding: 0 0 calc(16px + env(safe-area-inset-bottom, 0px)) 0;
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(.32, .72, 0, 1);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.m-chapter-panel.open .m-chapter-panel-sheet {
  transform: translateY(0);
}

/* 拖拽手柄 */
.m-chapter-panel-handle {
  display: flex;
  justify-content: center;
  padding: 10px 0 4px;
}
.m-chapter-panel-handle span {
  width: 32px;
  height: 4px;
  background: rgba(0,0,0,0.15);
  border-radius: 2px;
}

/* 面板头部 */
.m-chapter-panel-header {
  display: flex;
  align-items: center;
  padding: 8px 20px 12px;
}
.m-chapter-panel-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  flex: 1;
}
.m-chapter-panel-current {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: rgba(20,20,20,0.35);
  margin-right: 12px;
}
.m-chapter-panel-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  color: rgba(20,20,20,0.4);
  border-radius: 6px;
  display: flex;
  -webkit-tap-highlight-color: transparent;
}
.m-chapter-panel-close:active {
  background: rgba(0,0,0,0.05);
  color: rgba(20,20,20,0.6);
}

/* 目录列表 */
.m-chapter-panel-list {
  list-style: none;
  padding: 0 20px;
}
.m-chapter-panel-list li {
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.m-chapter-panel-list li:last-child {
  border-bottom: none;
}
.m-chapter-panel-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 48px;
  padding: 12px 4px;
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  color: var(--text-dark);
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s ease;
  border-radius: 6px;
}
.m-chapter-panel-btn:active {
  background: rgba(0,0,0,0.04);
  transform: scale(0.985);
}
.m-chapter-panel-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.m-chapter-panel-btn-num {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  font-weight: 600;
  color: rgba(20,20,20,0.25);
  min-width: 20px;
}
.m-chapter-panel-btn-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(20,20,20,0.18);
  flex-shrink: 0;
  transition: all 0.25s var(--ease);
}
.m-chapter-panel-btn-label {
  font-size: 15px;
  font-weight: 500;
  flex: 1;
  text-align: left;
}

/* 激活项 */
.m-chapter-panel-btn.active .m-chapter-panel-btn-num {
  color: var(--accent);
}
.m-chapter-panel-btn.active .m-chapter-panel-btn-dot {
  width: 9px;
  height: 9px;
  background: var(--accent);
}
.m-chapter-panel-btn.active .m-chapter-panel-btn-label {
  color: var(--accent);
  font-weight: 600;
}

/* ============================================
   手机端安全间距
   ============================================ */
@media (max-width: 767px) {
  .m-safe-bottom {
    height: calc(88px + env(safe-area-inset-bottom, 0px));
  }
  section[id] {
    scroll-margin-top: 72px;
  }
}

/* ============================================
   手机横屏适配
   ============================================ */
@media (max-width: 767px) and (orientation: landscape) {
  .m-chapter {
    left: auto;
    width: auto;
    max-width: 220px;
    bottom: calc(8px + env(safe-area-inset-bottom, 0px));
    right: 12px;
    padding: 6px 12px 5px;
    border-radius: 10px;
  }
  .m-chapter-name { font-size: 12px; }
  .m-chapter-num { font-size: 12px; }
  .m-chapter-pos { display: none; }
  .m-chapter-bar { margin-top: 4px; }
  .m-chapter-safe-bottom { height: 56px; }
}

/* ===== Hero ===== */
.hero {
  min-height: 88vh;
  background: var(--bg-dark);
  color: var(--text-light);
  display: flex; align-items: center;
  padding: 120px var(--padding-x) 80px;
  overflow: hidden;
}
.hero-inner {
  max-width: var(--content-width);
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 45% 55%;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 13px; font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-title {
  font-size: 60px; font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.hero-headline {
  font-size: 22px; font-weight: 400;
  color: var(--text-light-2);
  line-height: 1.5;
  margin-bottom: 24px;
}
.hero-desc {
  font-size: 16px;
  color: var(--text-light-2);
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 480px;
}
.hero-tags {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 32px;
}
.hero-tag {
  font-size: 13px; font-weight: 500;
  padding: 6px 16px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
  color: var(--text-light-2);
}
.hero-stats {
  display: flex; gap: 40px;
  margin-bottom: 36px;
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.hero-stat-number {
  font-size: 28px; font-weight: 700;
  color: var(--text-light);
  line-height: 1;
}
.hero-stat-label {
  font-size: 13px;
  color: var(--text-light-2);
  margin-top: 6px;
}
.hero-cta {
  display: flex; align-items: center; gap: 16px;
  flex-wrap: wrap;
}

/* Hero 右侧 — 动态视觉墙 */
.hero-showcase {
  position: relative;
  width: 100%;
  height: 520px;
}
.hero-wall-tile {
  position: absolute;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  animation: heroFloat var(--float-dur, 10s) var(--float-delay, 0s) ease-in-out infinite;
  transition: transform 0.35s cubic-bezier(.25, .8, .25, 1.2),
              box-shadow 0.35s ease,
              z-index 0s;
  aspect-ratio: 16 / 10;
}
.hero-wall-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-wall-tile::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.08) 45%, transparent 100%);
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.hero-wall-tile:hover {
  transform: scale(1.06) !important;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  z-index: 20 !important;
}
.hero-wall-tile:hover::after {
  opacity: 0.6;
}
.hero-wall-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: 14px 16px 10px;
  pointer-events: none;
}
.hero-wall-brand {
  display: block;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 3px;
}
.hero-wall-title {
  display: block;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  line-height: 1.3;
}

@keyframes heroFloat {
  0%, 100% {
    transform: translateY(0);
  }
  25% {
    transform: translateY(-4px);
  }
  50% {
    transform: translateY(2px);
  }
  75% {
    transform: translateY(-6px);
  }
}

/* ===== 精选代表项目 ===== */
.featured {
  background: var(--bg-white);
}
.featured-list {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex; flex-direction: column;
  gap: 40px;
}
.featured-card {
  display: grid;
  grid-template-columns: 44% 56%;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.featured-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.featured-card-cover {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  min-height: 320px;
}
.featured-card-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.featured-card-cover:hover img { transform: scale(1.04); }
.featured-card-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 52px; height: 52px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}
.featured-card-cover:hover .featured-card-play { opacity: 1; }
.featured-card-play svg { width: 20px; height: 20px; fill: var(--text-dark); margin-left: 2px; }

.featured-card-body {
  padding: 36px 40px;
  display: flex; flex-direction: column;
  justify-content: center;
}
.featured-card-brand {
  font-size: 13px; font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.featured-card-title {
  font-size: 26px; font-weight: 700;
  line-height: 1.25;
  margin-bottom: 8px;
}
.featured-card-result {
  font-size: 15px; font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.featured-card-section {
  margin-bottom: 16px;
}
.featured-card-section:last-of-type { margin-bottom: 0; }
.featured-card-section-label {
  font-size: 12px; font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.featured-card-section-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.featured-card-roles {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 4px;
}
.featured-card-roles span {
  font-size: 13px;
  padding: 4px 12px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-dark);
}
.featured-card-btn {
  margin-top: 24px;
  align-self: flex-start;
  font-size: 14px; font-weight: 600;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: 6px;
  transition: gap var(--dur) var(--ease);
}
.featured-card-btn:hover { gap: 12px; }

/* ===== 核心能力：五维能力图 ===== */
.skills {
  background: var(--bg-light);
  position: relative;
  overflow: hidden;
}
/* 背景装饰多边形 */
.skills::before {
  content: '';
  position: absolute;
  top: 10%; right: -8%;
  width: 420px; height: 420px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpolygon points='50,5 95,38 78,92 22,92 5,38' fill='none' stroke='%239D2947' stroke-width='0.3' opacity='0.5'/%3E%3C/svg%3E") no-repeat center / contain;
  opacity: 0.05;
  pointer-events: none;
  z-index: 0;
}
.skills::after {
  content: '';
  position: absolute;
  bottom: 5%; left: -6%;
  width: 300px; height: 300px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpolygon points='50,5 95,38 78,92 22,92 5,38' fill='none' stroke='%23151515' stroke-width='0.3'/%3E%3C/svg%3E") no-repeat center / contain;
  opacity: 0.03;
  pointer-events: none;
  z-index: 0;
}

.ability-main {
  max-width: var(--content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(340px, 0.8fr) minmax(460px, 1.2fr);
  gap: clamp(48px, 6vw, 88px);
  align-items: center;
  position: relative;
  z-index: 1;
}

/* ----- 能力图 ----- */
.ability-radar-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}
.ability-radar {
  width: 100%;
  max-width: 440px;
  height: auto;
  display: block;
}
.ability-radar .ability-fill {
  transition: opacity 400ms ease;
}
/* 呼吸动画 */
@keyframes abilityBreathe {
  0%, 100% { opacity: 0.9; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.008); }
}

/* 节点 */
.ability-node-g {
  cursor: pointer;
  outline: none;
}
.ability-node-g .ability-node-dot {
  transition: r 300ms ease;
}
.ability-node-g .ability-node-ring {
  transition: r 300ms ease, opacity 300ms ease;
  opacity: 0;
}
.ability-node-g.is-active .ability-node-dot {
  r: 6;
}
.ability-node-g.is-active .ability-node-ring {
  r: 14;
  opacity: 1;
  animation: abilityPulse 1.2s ease-out;
}
@keyframes abilityPulse {
  0% { r: 6; opacity: 0.6; }
  100% { r: 18; opacity: 0; }
}

/* 标签 */
.ability-label-g {
  cursor: pointer;
  transition: opacity 300ms ease;
}
.ability-label-g .ability-label-text {
  transition: fill 300ms ease;
}
.ability-label-g.is-active .ability-label-text {
  fill: var(--accent);
}

/* 坐标轴 */
.ability-axis {
  transition: stroke 300ms ease, stroke-width 300ms ease;
}
.ability-axis.is-active {
  stroke: rgba(157,41,71,0.35);
  stroke-width: 1.5;
}

/* 联动 dim 效果 */
.ability-radar.has-active .ability-node-g:not(.is-active),
.ability-radar.has-active .ability-label-g:not(.is-active),
.ability-radar.has-active .ability-fill {
  opacity: 0.45;
}
.ability-radar.has-active .ability-node-g.is-active,
.ability-radar.has-active .ability-label-g.is-active {
  opacity: 1;
}

/* ----- 入场动画 ----- */
.ability-radar .ability-grid-layer,
.ability-radar .ability-axis {
  opacity: 0;
}
.ability-radar .ability-fill {
  opacity: 0;
  transform: scale(0);
  transform-box: view-box;
  transform-origin: 260px 260px;
}
.ability-radar .ability-node-g,
.ability-radar .ability-label-g {
  opacity: 0;
}

@keyframes gridLayerIn {
  to { opacity: 1; }
}
@keyframes axisIn {
  to { opacity: 1; }
}
@keyframes fillIn {
  to { opacity: 1; transform: scale(1); }
}
@keyframes nodeIn {
  to { opacity: 1; }
}

.ability-radar.ability-animate-in .ability-grid-layer {
  animation: gridLayerIn 500ms ease forwards;
  animation-delay: var(--delay, 100ms);
}
.ability-radar.ability-animate-in .ability-axis {
  animation: axisIn 400ms ease forwards;
  animation-delay: 500ms;
}
.ability-radar.ability-animate-in .ability-fill {
  animation:
    fillIn 700ms cubic-bezier(0.22,1,0.36,1) 700ms forwards,
    abilityBreathe 6s ease-in-out 1.6s infinite;
}
.ability-radar.ability-animate-in .ability-node-g {
  animation: nodeIn 300ms ease forwards;
  animation-delay: var(--delay, 1100ms);
}
.ability-radar.ability-animate-in .ability-label-g {
  animation: nodeIn 400ms ease forwards;
  animation-delay: 1300ms;
}

/* reduced-motion 直接显示 */
.ability-radar.ability-animated .ability-grid-layer,
.ability-radar.ability-animated .ability-axis,
.ability-radar.ability-animated .ability-fill,
.ability-radar.ability-animated .ability-node-g,
.ability-radar.ability-animated .ability-label-g {
  opacity: 1;
  transform: none;
}

/* ----- 右侧能力清单 ----- */
.ability-list {
  display: flex;
  flex-direction: column;
}
.ability-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  outline: none;
  transition: opacity 300ms ease, padding-left 300ms ease;
  opacity: 0;
  transform: translateY(10px);
}
.ability-item:last-child {
  border-bottom: none;
}
.ability-list.ability-animate-in .ability-item {
  animation: itemIn 500ms ease forwards;
  animation-delay: var(--item-delay, 0ms);
}
.ability-list.ability-animated .ability-item {
  opacity: 1;
  transform: none;
}
@keyframes itemIn {
  to { opacity: 1; transform: translateY(0); }
}
.ability-item-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 6px;
}
.ability-item-index {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-family: 'Poppins', monospace;
  transition: opacity 300ms ease;
}
.ability-item-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
  transition: color 300ms ease;
}
.ability-item-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 6px 0;
  padding-left: 26px;
}
.ability-item-skills {
  font-size: 13px;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
  margin: 0;
  padding-left: 26px;
}
/* 联动高亮 */
.ability-list.has-active .ability-item:not(.is-active) {
  opacity: 0.4;
}
.ability-item.is-active {
  padding-left: 8px;
}
.ability-item.is-active .ability-item-title {
  color: var(--accent);
}
.ability-item.is-active .ability-item-index {
  opacity: 1;
}
.ability-item:not(.is-active) .ability-item-index {
  opacity: 0.6;
}

/* ----- 工具和设备 ----- */
.ability-tools {
  max-width: var(--content-width);
  margin: 40px auto 0;
  border-top: 1px solid var(--border);
  padding-top: 32px;
  display: flex;
  gap: clamp(32px, 5vw, 64px);
  flex-wrap: wrap;
  align-items: flex-start;
  position: relative;
  z-index: 1;
}
.ability-tools .tools-section {
  margin: 0;
  flex: 1;
  min-width: 280px;
}
.ability-tools .tools-label {
  position: relative;
  padding-left: 14px;
  margin-bottom: 14px;
  display: block;
}
.ability-tools .tools-label::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 1.5px;
  background: var(--accent);
}
.ability-tools .tools-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.ability-tools .tools-list span {
  font-size: 13px;
  font-weight: 500;
  padding: 7px 16px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-dark);
  height: 34px;
  display: inline-flex;
  align-items: center;
  transition: border-color 300ms ease, color 300ms ease;
}
.ability-tools .tools-list span:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== 工作流程 ===== */
.workflow {
  background: var(--bg-white);
}
.workflow-steps {
  max-width: var(--content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}
.workflow-steps::before {
  content: '';
  position: absolute;
  top: 24px; left: 10%; right: 10%;
  height: 1px;
  background: var(--border);
}
.workflow-step {
  text-align: center;
  position: relative;
  z-index: 1;
}
.workflow-step-num {
  width: 48px; height: 48px;
  margin: 0 auto 20px;
  background: var(--bg-white);
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700;
  color: var(--text-dark);
  transition: all var(--dur) var(--ease);
}
.workflow-step:hover .workflow-step-num {
  border-color: var(--accent);
  color: var(--accent);
}
.workflow-step h4 {
  font-size: 16px; font-weight: 600;
  margin-bottom: 8px;
}
.workflow-step p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  padding: 0 8px;
}

/* ===== 商业项目 ===== */
.commercial {
  background: var(--bg-light);
}
.commercial-list {
  max-width: var(--content-width);
  margin: 0 auto;
}
.project-block {
  margin-bottom: 64px;
}
.project-block:last-child { margin-bottom: 0; }
.project-header {
  display: flex; align-items: baseline; gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--text-dark);
}
.project-number {
  font-family: var(--font-serif);
  font-size: 36px; font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.project-header-text { flex: 1; }
.project-header-text h3 {
  font-size: 24px; font-weight: 700;
}
.project-header-text .project-kicker {
  font-size: 12px; font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 4px;
}
.project-cat {
  font-size: 13px;
  color: var(--text-secondary);
}
.project-intro {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 800px;
}

/* ===== Aspect-Aware 项目卡片 ===== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  align-items: stretch;
}

/* 基础卡片 */
.card-project {
  background: var(--bg-white);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(20,20,20,0.10);
  cursor: pointer;
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.card-project:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.07);
  transform: translateY(-2px);
}

/* ===== Portrait（竖版 ≤0.9）：左右分栏 ===== */
.card-project.card--portrait {
  display: grid;
  grid-template-columns: minmax(190px, 44%) 1fr;
  min-height: 360px;
}
.card-project.card--portrait .card-media {
  background: #F2F0EC;
  display: flex; align-items: center; justify-content: center;
  padding: 12px;
  overflow: hidden;
  position: relative;
}
.card-project.card--portrait .card-media img {
  width: 100%; height: 100%;
  object-fit: contain;
  transition: transform 0.6s var(--ease);
}
.card-project.card--portrait:hover .card-media img { transform: scale(1.03); }
.card-project.card--portrait .card-info {
  padding: 28px 30px;
  display: flex; flex-direction: column;
  justify-content: center;
}

/* ===== Landscape（横版 ≥1.2）：上下结构 ===== */
.card-project.card--landscape {
  display: flex;
  flex-direction: column;
}
.card-project.card--landscape .card-media {
  background: #F2F0EC;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
}
.card-project.card--landscape .card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.card-project.card--landscape .card-media img.media--contain {
  object-fit: contain;
}
.card-project.card--landscape:hover .card-media img { transform: scale(1.04); }
.card-project.card--landscape .card-info {
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 24px;
  flex: 1;
}

/* ===== Square（近方形 0.9～1.2）：左右分栏 ===== */
.card-project.card--square {
  display: grid;
  grid-template-columns: 48% 52%;
}
.card-project.card--square .card-media {
  background: #F2F0EC;
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  overflow: hidden;
  position: relative;
}
.card-project.card--square .card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.card-project.card--square .card-media img.media--contain {
  object-fit: contain;
}
.card-project.card--square:hover .card-media img { transform: scale(1.03); }
.card-project.card--square .card-info {
  padding: 28px 30px;
  display: flex; flex-direction: column;
  justify-content: center;
}

/* 播放按钮（居中悬浮） */
.card-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  z-index: 2;
  pointer-events: none;
}
.card-project:hover .card-play { opacity: 1; }
.card-play svg { width: 16px; height: 16px; fill: var(--text-dark); margin-left: 2px; }

/* ===== 卡片信息组件 ===== */

/* 编辑式类别标签 */
.card-cat {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px;
}
.card-cat-num {
  font-family: var(--font-serif);
  font-size: 18px; font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.card-cat-divider {
  width: 1px; height: 18px;
  background: var(--border);
}
.card-cat-brand {
  font-size: 11px; font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.card-cat-type {
  font-size: 11px; font-weight: 500;
  color: var(--text-tertiary);
}

/* 标题 */
.card-title {
  font-size: 20px; font-weight: 700;
  line-height: 1.25;
  margin-bottom: 10px;
}

/* 项目说明 */
.card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 14px;
}

/* 职责标签 */
.card-roles {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 12px;
}
.card-roles span,
.card-roles-tag {
  font-size: 12px;
  padding: 3px 10px;
  background: var(--bg-light);
  border-radius: 100px;
  color: var(--text-secondary);
}

/* 成果 */
.card-results {
  font-size: 14px;
  color: var(--text-dark);
  font-weight: 500;
  line-height: 1.6;
}
.card-results span {
  display: block;
}
.card-results span::before {
  content: '— ';
  color: var(--accent);
}

/* 查看案例链接 */
.card-link-row {
  margin-top: 14px;
}
.card-link {
  font-size: 13px; font-weight: 600;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: 6px;
  transition: gap var(--dur) var(--ease);
}
.card-link:hover { gap: 10px; }

/* Landscape 信息双栏布局 */
.card-info-left .card-title,
.card-info-main .card-title { margin-bottom: 8px; }
.card-info-side { }
.card-info-side .card-roles { margin-bottom: 10px; }
.card-info-side .card-results { }

/* 亳都新象特殊布局：参考图左右分栏 */
.bodu-block {
  display: grid;
  grid-template-columns: minmax(320px, 44%) 1fr;
  gap: 32px;
  align-items: start;
}

/* 子区域头部（A / B / C 标签） */
.bodu-section-header {
  display: flex; align-items: flex-start; gap: 12px;
  margin-bottom: 20px;
}
.bodu-section-label {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 13px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
}
.bodu-section-header h4 {
  font-size: 18px; font-weight: 700;
  margin-bottom: 4px;
}
.bodu-section-header .bodu-section-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 左侧：娱乐短视频 */
.bodu-left {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 28px;
}
.bodu-entertainment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.bodu-entertainment-item {
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  aspect-ratio: 3 / 4;
  background: #F2F0EC;
}
.bodu-entertainment-item img {
  width: 100%; height: 100%;
  object-fit: contain;
  transition: transform 0.6s var(--ease);
}
.bodu-entertainment-item:hover img { transform: scale(1.03); }
.bodu-entertainment-title {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 10px 12px;
  background: linear-gradient(to top, rgba(0,0,0,0.65), transparent);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
}

/* 右侧：院落影像合集 */
.bodu-right {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 28px;
}

/* 汇总大卡 */
.bodu-collection-summary {
  display: flex;
  align-items: center;
  gap: 24px;
  background: #1A1A1E;
  border-radius: var(--radius-lg);
  padding: 32px;
  color: #fff;
  cursor: pointer;
  transition: background var(--dur) var(--ease);
  margin-bottom: 20px;
}
.bodu-collection-summary:hover { background: #24242A; }
.bodu-collection-summary.expanded .bodu-collection-play svg { transform: rotate(90deg); }
.bodu-collection-count {
  font-family: var(--font-serif);
  font-size: 64px; font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}
.bodu-collection-summary-text {
  flex: 1;
}
.bodu-collection-summary-label {
  font-size: 20px; font-weight: 600;
  letter-spacing: 0.05em;
}
.bodu-collection-summary-sub {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.1em;
  margin-top: 4px;
}
.bodu-collection-play {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.25);
  display: flex; align-items: center; justify-content: center;
}
.bodu-collection-play svg {
  width: 18px; height: 18px;
  fill: #fff;
  transition: transform var(--dur) var(--ease);
  margin-left: 2px;
}

/* 院落展开网格 */
.bodu-collection-grid {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.bodu-collection-grid.open { display: grid; }
.bodu-collection-video {
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  aspect-ratio: 3 / 4;
  background: #F2F0EC;
}
.bodu-collection-video img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.bodu-collection-video:hover img { transform: scale(1.04); }
.bodu-collection-video-title {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 10px 12px;
  background: linear-gradient(to top, rgba(0,0,0,0.65), transparent);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
}

/* 项目信息条 */
.bodu-info-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 32px;
  padding: 32px 0;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(0,0,0,0.04);
}
.bodu-info-bar-item {
  position: relative;
  padding: 0 28px;
}
.bodu-info-bar-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0; top: 6px; bottom: 6px;
  width: 1px;
  background: var(--border);
}
.bodu-info-bar-item::before {
  content: '';
  display: block;
  width: 28px; height: 2px;
  background: var(--accent);
  margin-bottom: 14px;
  border-radius: 1px;
}
.bodu-info-bar-label {
  display: block;
  font-size: 12px; font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.bodu-info-bar-value {
  font-size: 15px;
  color: var(--text-primary);
  line-height: 1.7;
}
.bodu-info-bar-value.roles {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.bodu-info-bar-value.roles span {
  font-size: 13px;
  font-weight: 500;
  padding: 5px 14px;
  background: rgba(157, 41, 71, 0.06);
  border: 1px solid rgba(157, 41, 71, 0.18);
  border-radius: 100px;
  color: var(--accent);
}

/* 建筑细节小网格 */
.bodu-detail-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}
.bodu-detail-item {
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  background: #F2F0EC;
  padding: 8px;
  transition: transform 0.6s var(--ease), box-shadow var(--dur) var(--ease);
}
.bodu-detail-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.07);
}
.bodu-detail-item img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
  display: block;
}
.bodu-detail-title {
  padding: 10px 8px 6px;
  color: var(--text-dark);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
}

/* 亳都子区域 */
.bodu-subsection {
  margin-top: 32px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 28px;
}

/* ===== 内容合作 ===== */
.collab {
  background: var(--bg-white);
}
.collab-list {
  max-width: var(--content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  align-items: stretch;
}
/* collab 卡片也使用 card-project 系统 */
.collab-list .card-project.card--landscape .card-info {
  display: flex;
  flex-direction: column;
}
.collab-intro {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.collab-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.collab-meta-label {
  font-size: 11px; font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}
.collab-meta-value {
  font-size: 13px;
  color: var(--text-dark);
  font-weight: 500;
}
.collab-meta-value.roles {
  display: flex; flex-wrap: wrap; gap: 4px;
}
.collab-meta-value.roles span {
  font-size: 11px;
  padding: 2px 8px;
  background: var(--bg-light);
  border-radius: 100px;
}
.collab-douyin-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--dur) var(--ease);
}
.collab-douyin-link:hover {
  opacity: 0.7;
}

/* ===== 个人自媒体 ===== */
.creator {
  background: var(--bg-white);
}
.stats-grid {
  max-width: var(--content-width);
  margin: 0 auto 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid var(--border);
  text-align: left;
}
.stat-number {
  font-size: 36px; font-weight: 700;
  color: var(--text-dark);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-number.accent { color: var(--accent); }
.stat-label {
  font-size: 15px; font-weight: 600;
  margin-top: 12px;
}
.stat-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.creator-works {
  max-width: var(--content-width);
  margin: 0 auto 56px;
}
.subsection-title {
  font-size: 22px; font-weight: 700;
  margin-bottom: 24px;
}
.creator-work-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.creator-work {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.creator-work:hover {
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.creator-work-cover {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #F5F5F3;
}
.creator-work-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.creator-work:hover .creator-work-cover img { transform: scale(1.03); }
.creator-work-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}
.creator-work:hover .creator-work-play { opacity: 1; }
.creator-work-play svg { width: 16px; height: 16px; fill: var(--text-dark); margin-left: 2px; }
.creator-work-body {
  padding: 16px 18px 18px;
  background: var(--bg-white);
}
.creator-work-body h4 {
  font-size: 16px; font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-dark);
}
.creator-work-meta {
  display: flex; gap: 8px;
  flex-wrap: wrap;
}
.creator-work-meta span {
  display: inline-block;
  padding: 4px 10px;
  background: #F2F2F0;
  border-radius: 4px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ===== 创作经历 ===== */
.journey {
  background: var(--bg-light);
  padding-top: 80px;
  padding-bottom: 48px;
}
.journey-list {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex; flex-direction: column;
  gap: 0;
}
.journey-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}
.journey-item:last-child { border-bottom: none; }
.journey-year {
  font-family: var(--font-serif);
  font-size: 28px; font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.journey-role {
  font-size: 18px; font-weight: 600;
  margin-bottom: 8px;
}
.journey-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
  max-width: 700px;
}
.journey-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.journey-tags span {
  font-size: 12px;
  padding: 4px 12px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
}

/* ===== 关于我 ===== */
.about {
  background: var(--bg-dark);
  color: var(--text-light);
  padding-top: 64px;
}
.about-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 35% 65%;
  gap: 64px;
  align-items: start;
}
.about-left .section-kicker { color: var(--accent); }
.about-left .section-title { color: var(--text-light); }
.about-right p {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-light-2);
  margin-bottom: 20px;
}
.about-lead {
  font-size: 20px !important;
  color: var(--text-light) !important;
  font-weight: 500;
}
.about-lead .hl {
  color: var(--accent);
  font-weight: 700;
}
.about-status {
  font-size: 15px !important;
  color: var(--accent) !important;
  font-weight: 600;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 8px;
}

/* ===== 联系方式 ===== */
.contact {
  background: var(--bg-dark);
  color: var(--text-light);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 80px var(--padding-x) 48px;
}
.contact-inner {
  max-width: var(--content-width);
  margin: 0 auto;
}
.contact-kicker {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-light-2);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.contact-title {
  font-family: 'Playfair Display', serif;
  font-size: 48px;
  font-weight: 400;
  line-height: 1.15;
  color: var(--text-light);
  margin-bottom: 8px;
}
.contact-title em {
  font-style: italic;
  color: var(--accent);
}
.contact-subtitle {
  font-size: 14px;
  color: var(--text-light-2);
  margin-bottom: 48px;
}

/* 联系卡片网格 */
.contact-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 40px;
}
.contact-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 24px;
  transition: all var(--dur) var(--ease);
}
.contact-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
}
.contact-card-wide {
  grid-column: 1 / -1;
}
.contact-card-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-light-2);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 10px;
}
.contact-card-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-light);
  word-break: break-all;
}
a.contact-card-value:hover { color: var(--accent); }
.contact-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.contact-card-tags span {
  font-size: 12px;
  padding: 5px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  color: var(--text-light-2);
}

/* 微信号 + 复制按钮 */
.contact-card-wechat {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.copy-wechat-btn {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-light-2);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 6px;
  padding: 4px 12px;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}
.copy-wechat-btn:hover {
  color: var(--accent-light);
  border-color: var(--accent);
  background: rgba(157,41,71,0.12);
}
.copy-wechat-btn.copied {
  color: var(--accent-light);
  border-color: var(--accent);
  background: rgba(157,41,71,0.15);
}

/* 社交链接 */
.social-links {
  display: flex;
  gap: 12px;
}
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  color: var(--text-light);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--dur) var(--ease);
}
.social-link:hover {
  background: var(--accent);
  border-color: var(--accent);
}
.social-link svg {
  width: 16px;
  height: 16px;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-dark);
  padding: 32px var(--padding-x);
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer p {
  font-size: 13px;
  color: var(--text-light-2);
}

/* ===== 视频弹窗 ===== */
.video-modal {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.88);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center; justify-content: center;
  padding: 40px;
}
.video-modal.open { display: flex; }
.video-modal-container {
  position: relative;
  max-width: 960px;
  width: 100%;
}
.video-modal-title {
  color: #fff;
  font-size: 18px; font-weight: 600;
  margin-bottom: 16px;
}
.video-modal-close {
  position: absolute;
  top: -44px; right: 0;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  transition: background var(--dur) var(--ease);
}
.video-modal-close:hover { background: rgba(255,255,255,0.2); }
.video-modal-container video {
  width: 100%;
  border-radius: var(--radius);
  background: #000;
}

/* ===== 滚动渐入 ===== */
.reveal, .reveal-left, .reveal-right, .reveal-scale {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal.visible, .reveal-left.visible, .reveal-right.visible, .reveal-scale.visible {
  opacity: 1;
  transform: translateY(0);
}
.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}
.stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger.visible > *:nth-child(4) { transition-delay: 0.2s; }
.stagger.visible > *:nth-child(5) { transition-delay: 0.25s; }
.stagger.visible > *:nth-child(6) { transition-delay: 0.3s; }

/* ============================================
   RED SIGNAL EDITORIAL SYSTEM
   红色信号编辑系统 — 全站统一视觉语言
   三种核心元素：红色信号线 / 灰色结构线 / 空间呼吸光影
   ============================================ */

/* ---------- 1. 背景层系统 ---------- */
.bg-system {
  position: fixed; inset: 0; z-index: -10; pointer-events: none;
  overflow: hidden;
}

/* ① 纸张质感 */
.bg-paper {
  position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(247,247,245,0.98) 0%,
    rgba(250,250,248,1) 20%,
    rgba(247,247,245,0.96) 50%,
    rgba(245,243,240,0.94) 80%,
    rgba(247,247,245,0.98) 100%);
}

/* ② 超浅结构网格 */
.bg-struct-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(20,20,20,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,20,20,0.03) 1px, transparent 1px);
  background-size: 72px 72px;
}

/* ③ SVG 动态曲线层 */
.bg-curves {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.bg-curve {
  fill: none;
  stroke-width: 1;
  stroke-linecap: round;
  opacity: 0.5;
}
.bg-curve--1 { stroke: rgba(20,20,20,0.06); animation: bgCurveDrift1 18s ease-in-out infinite; }
.bg-curve--2 { stroke: rgba(20,20,20,0.05); animation: bgCurveDrift2 22s ease-in-out infinite; }
.bg-curve--3 { stroke: rgba(20,20,20,0.04); animation: bgCurveDrift3 20s ease-in-out infinite; }
.bg-curve--red {
  stroke: rgba(157,41,71,0.18);
  stroke-width: 1.5;
  animation: bgCurveBreath 14s ease-in-out infinite;
}
.bg-curve--signal {
  stroke: rgba(157,41,71,0.12);
  stroke-width: 1;
  stroke-dasharray: 8 60;
  animation: bgSignalDrift 16s ease-in-out infinite;
}

@keyframes bgCurveDrift1 {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.45; }
  33% { transform: translateY(-12px) translateX(4px); opacity: 0.55; }
  66% { transform: translateY(8px) translateX(-3px); opacity: 0.4; }
}
@keyframes bgCurveDrift2 {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.5; }
  50% { transform: translateY(-8px) translateX(-5px); opacity: 0.6; }
  75% { transform: translateY(14px) translateX(2px); opacity: 0.38; }
}
@keyframes bgCurveDrift3 {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.4; }
  25% { transform: translateY(-6px) translateX(6px); opacity: 0.5; }
  75% { transform: translateY(10px) translateX(-4px); opacity: 0.35; }
}

/* 红色曲线呼吸 */
@keyframes bgCurveBreath {
  0%, 100% { opacity: 0.14; stroke-dashoffset: 0; }
  40% { opacity: 0.24; stroke-dashoffset: -120; }
  60% { opacity: 0.18; }
  80% { opacity: 0.22; stroke-dashoffset: -60; }
}

/* 信号轨迹 */
@keyframes bgSignalDrift {
  0%, 100% { opacity: 0.08; stroke-dashoffset: 0; }
  50% { opacity: 0.16; stroke-dashoffset: -200; }
}

/* ④ 呼吸光影 */
.bg-breath {
  position: absolute; inset: 0;
}
.bg-breath-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  animation: breathOrb 16s ease-in-out infinite;
}
.bg-breath-orb--1 {
  width: 600px; height: 600px;
  top: 15%; left: -8%;
  background: radial-gradient(circle, rgba(157,41,71,0.08) 0%, transparent 70%);
  animation-delay: 0s;
}
.bg-breath-orb--2 {
  width: 500px; height: 500px;
  top: 55%; right: -10%;
  background: radial-gradient(circle, rgba(130,130,125,0.05) 0%, transparent 70%);
  animation-delay: -8s;
}
@keyframes breathOrb {
  0%, 100% { opacity: 0.30; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(1.04); }
}

/* ───── 深色背景层 ───── */
.hero .bg-system,
.about .bg-system,
.contact .bg-system { display: none; }

/* 深色区域的专属背景（固定元素覆盖） */
.bg-system-dark {
  position: fixed; inset: 0; z-index: -9; pointer-events: none;
  overflow: hidden;
  opacity: 0; transition: opacity 600ms var(--ease);
}
body.in-dark-section .bg-system-dark { opacity: 1; }
.bg-system-dark .bg-dark-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 72px 72px;
}
.bg-system-dark .bg-dark-orb {
  position: absolute; width: 700px; height: 700px;
  top: 30%; left: 20%;
  background: radial-gradient(circle, rgba(157,41,71,0.06) 0%, transparent 65%);
  border-radius: 50%; filter: blur(120px);
  animation: breathOrb 18s ease-in-out infinite;
  animation-delay: -4s;
}

/* ---------- 2. 红色信号线系统 ---------- */

/* 信号线基础 */
.signal-line {
  display: block;
  height: 1px;
  background: var(--accent);
  transform-origin: left center;
  transition: transform 900ms cubic-bezier(0.22, 1, 0.36, 1);
}
.signal-line--dim { background: rgba(157,41,71,0.35); }
.signal-line--short { width: 36px; }

/* Section标题信号线 */
.section-signal {
  width: 40px; height: 1.5px;
  background: var(--accent);
  margin-bottom: 20px;
  transform-origin: left;
  transition: transform 800ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* Hero 区域暗红信号轨迹 */
.hero-signal {
  position: absolute;
  width: 240px;
  height: 1px;
  background: linear-gradient(90deg,
    rgba(157,41,71,0) 0%,
    rgba(157,41,71,0.55) 25%,
    rgba(157,41,71,0.28) 60%,
    rgba(157,41,71,0) 100%);
  top: 35%;
  left: -60px;
  animation: heroSignalDrift 20s ease-in-out infinite;
  pointer-events: none;
}
@keyframes heroSignalDrift {
  0%, 100% { transform: translateX(0) translateY(0); opacity: 0.55; }
  40% { transform: translateX(40px) translateY(-8px); opacity: 0.75; }
  70% { transform: translateX(-20px) translateY(5px); opacity: 0.4; }
}

/* 图片扫描线 */
.img-scan-line {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(157,41,71,0.25) 20%,
    rgba(157,41,71,0.4) 50%,
    rgba(157,41,71,0.25) 80%,
    transparent 100%);
  opacity: 0;
  animation: imgScanOnce 1.8s ease-in-out forwards;
  animation-play-state: paused;
  pointer-events: none;
  z-index: 3;
}
.img-scan-line.trigger { animation-play-state: running; }
@keyframes imgScanOnce {
  0% { transform: translateY(-100%); opacity: 0; }
  20% { opacity: 0.5; }
  50% { transform: translateY(50vh); opacity: 0.4; }
  80% { opacity: 0.1; }
  100% { transform: translateY(100vh); opacity: 0; }
}

/* 卡片红边 hover 效果 */
.card-edge-red {
  position: absolute;
  top: 0; left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 600ms cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  z-index: 2;
}

/* 按钮下方红线下划线 */
.btn-underline-red {
  position: relative;
}
.btn-underline-red::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 500ms cubic-bezier(0.22, 1, 0.36, 1);
}
.btn-underline-red:hover::after { width: 100%; }

/* ---------- 3. Section 分隔线升级 ---------- */
.section-divider {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex; align-items: center;
  gap: 16px;
  height: 32px;
  padding: 0;
}
.section-divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg,
    var(--accent) 0%,
    var(--accent) 40px,
    var(--border) 40px,
    var(--border) 100%);
}
/* 浅色背景 section 内的分隔线 */
.featured .section-divider-line,
.workflow .section-divider-line,
.creator .section-divider-line {
  background: linear-gradient(90deg,
    var(--accent) 0%,
    var(--accent) 40px,
    var(--border) 40px,
    var(--border) 100%);
}

/* 深色 section 之间的分隔线 */
.section-divider--dark {
  background: var(--bg-dark);
}
.section-divider--dark .section-divider-line {
  background: linear-gradient(90deg,
    var(--accent) 0%,
    var(--accent) 40px,
    rgba(255,255,255,0.10) 40px,
    rgba(255,255,255,0.10) 100%);
}

/* ---------- 4. Section 标题编辑式升级 ---------- */

/* 章节编号 */
.section-num {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 12px;
}
.section-num::after {
  content: '';
  display: inline-block;
  width: 28px; height: 1px;
  background: rgba(157,41,71,0.4);
  flex-shrink: 0;
}

/* 英文标题线 */
.section-title-en {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 400;
  color: rgba(20,20,20,0.15);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  text-transform: uppercase;
}
.section-title-en em {
  font-style: italic;
  color: rgba(157,41,71,0.35);
}

/* 标题入场序列 */
.section-head-editorial .section-num       { opacity: 0; transform: translateY(6px); }
.section-head-editorial .section-signal    { transform: scaleX(0); }
.section-head-editorial .section-title-en   { opacity: 0; }
.section-head-editorial .section-title      { opacity: 0; transform: translateY(8px); }
.section-head-editorial .section-desc       { opacity: 0; transform: translateY(6px); }

.section-head-editorial.visible .section-num {
  animation: editorialFadeIn 400ms ease-out forwards;
}
.section-head-editorial.visible .section-signal {
  animation: editorialSignalExtend 800ms cubic-bezier(0.22, 1, 0.36, 1) 150ms forwards;
}
.section-head-editorial.visible .section-title-en {
  animation: editorialFadeIn 500ms ease-out 250ms forwards;
}
.section-head-editorial.visible .section-title {
  animation: editorialSlideUp 600ms cubic-bezier(0.22, 1, 0.36, 1) 400ms forwards;
}
.section-head-editorial.visible .section-desc {
  animation: editorialFadeIn 500ms ease-out 550ms forwards;
}

@keyframes editorialFadeIn {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes editorialSignalExtend {
  to { transform: scaleX(1); }
}
@keyframes editorialSlideUp {
  0% { opacity: 0; transform: translateY(12px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ---------- 5. Hero 区域风格升级 ---------- */

/* 深色区域的 Hero 信号线覆盖 */
.hero::before {
  content: '';
  position: absolute;
  top: 28%; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(157,41,71,0.2) 15%,
    rgba(157,41,71,0.35) 30%,
    rgba(157,41,71,0.2) 50%,
    transparent 100%);
  animation: heroSignalDrift 22s ease-in-out infinite;
  animation-delay: -6s;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  top: 62%; left: 5%;
  width: 180px; height: 1px;
  background: linear-gradient(90deg,
    rgba(157,41,71,0.5) 0%,
    rgba(157,41,71,0) 100%);
  pointer-events: none;
}

/* Hero 标题入场动画 */
.hero-eyebrow {
  animation: editorialFadeIn 500ms ease-out 200ms forwards;
}
.hero-title {
  animation: editorialSlideUp 800ms cubic-bezier(0.22, 1, 0.36, 1) 350ms forwards;
}
.hero-headline {
  animation: editorialFadeIn 500ms ease-out 500ms forwards;
}
.hero-desc {
  animation: editorialFadeIn 500ms ease-out 650ms forwards;
}
.hero-tags {
  animation: editorialFadeIn 500ms ease-out 800ms forwards;
}
.hero-stats {
  animation: editorialFadeIn 600ms ease-out 950ms forwards;
}
.hero-cta {
  animation: editorialFadeIn 500ms ease-out 1100ms forwards;
}

/* 封面墙错进入场 */
#hero-showcase .hero-wall-tile {
  opacity: 0;
}
#hero-showcase .hero-wall-tile:nth-child(1) {
  animation: heroTileEnter 700ms cubic-bezier(0.22, 1, 0.36, 1) 400ms forwards,
             heroFloat var(--float-dur, 10s) var(--float-delay, 0s) ease-in-out infinite;
}
#hero-showcase .hero-wall-tile:nth-child(2) {
  animation: heroTileEnter 700ms cubic-bezier(0.22, 1, 0.36, 1) 520ms forwards,
             heroFloat var(--float-dur, 10s) var(--float-delay, 0s) ease-in-out infinite;
}
#hero-showcase .hero-wall-tile:nth-child(3) {
  animation: heroTileEnter 700ms cubic-bezier(0.22, 1, 0.36, 1) 640ms forwards,
             heroFloat var(--float-dur, 10s) var(--float-delay, 0s) ease-in-out infinite;
}
#hero-showcase .hero-wall-tile:nth-child(4) {
  animation: heroTileEnter 700ms cubic-bezier(0.22, 1, 0.36, 1) 760ms forwards,
             heroFloat var(--float-dur, 10s) var(--float-delay, 0s) ease-in-out infinite;
}
#hero-showcase .hero-wall-tile:nth-child(5) {
  animation: heroTileEnter 700ms cubic-bezier(0.22, 1, 0.36, 1) 880ms forwards,
             heroFloat var(--float-dur, 10s) var(--float-delay, 0s) ease-in-out infinite;
}
#hero-showcase .hero-wall-tile:nth-child(6) {
  animation: heroTileEnter 700ms cubic-bezier(0.22, 1, 0.36, 1) 980ms forwards,
             heroFloat var(--float-dur, 10s) var(--float-delay, 0s) ease-in-out infinite;
}
#hero-showcase .hero-wall-tile:nth-child(7) {
  animation: heroTileEnter 700ms cubic-bezier(0.22, 1, 0.36, 1) 1060ms forwards,
             heroFloat var(--float-dur, 10s) var(--float-delay, 0s) ease-in-out infinite;
}

@keyframes heroTileEnter {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

/* 封面墙之间的视觉连线 */
.hero-wall-connector {
  position: absolute;
  height: 1px;
  background: rgba(157,41,71,0.18);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 1.5s ease;
}
.hero-wall-connector {
  opacity: 1;
  transition-delay: 1.2s;
}

/* Hero stats 红点标记 */
.hero-stat::before {
  content: '';
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 0;
  vertical-align: middle;
  margin-bottom: 2px;
}
.hero-stat {
  position: relative;
  padding-left: 12px;
}
.hero-stat::before {
  position: absolute;
  left: 0; top: 6px;
}

/* ---------- 6. 卡片风格化升级 ---------- */

/* 显示编辑式编号和类别 */
.card-project {
  position: relative;
}
.card-project::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 650ms cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 2;
  border-radius: 0;
}
.card-project:hover::before {
  width: 28px;
}
/* 卡片 hover 时右上角红点 */
.card-project::after {
  content: '';
  position: absolute;
  top: 10px; right: 10px;
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0;
  transform: scale(0);
  transition: opacity 400ms ease, transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 2;
}
.card-project:hover::after {
  opacity: 0.7;
  transform: scale(1);
}

/* 精选项目卡片 — 编辑式边缘 */
.featured-card {
  position: relative;
}
.featured-card::before {
  content: '';
  position: absolute;
  top: -1px; left: 24px;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 700ms cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 2;
}
.featured-card:hover::before {
  width: 48px;
}

/* hover 底部短红线 */
.featured-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 36px;
  width: 28px; height: 1px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 400ms ease, width 500ms cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 2;
}
.featured-card:hover::after {
  opacity: 0.5;
  width: 42px;
}

/* ---------- 7. 图片边缘增强 ---------- */
.featured-card-cover::after {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(20,20,20,0.04);
  border-radius: 6px;
  pointer-events: none;
  z-index: 1;
  transition: border-color 400ms ease;
}
.featured-card:hover .featured-card-cover::after {
  border-color: rgba(157,41,71,0.12);
}

/* ---------- 8. 左侧导航 "信号脊柱" 升级 ---------- */

/* 当前节点呼吸脉冲环 */
.chapter-nav-item.active .chapter-nav-dot {
  box-shadow: 0 0 0 3px rgba(157,41,71,0.18);
}
.chapter-nav-item.active .chapter-nav-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(157,41,71,0.3);
  animation: navNodePulse 3.5s ease-out infinite;
  pointer-events: none;
}
.chapter-nav-item .chapter-nav-dot {
  position: relative;
}
@keyframes navNodePulse {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(2.8); opacity: 0; }
}

/* 进度线光点 */
.chapter-nav-progress::before {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 2px; height: 6px;
  background: rgba(157,41,71,0.8);
  border-radius: 1px;
  opacity: 0;
  transition: opacity 300ms ease;
}
.chapter-nav-progress.moving::before {
  opacity: 1;
  animation: progressGlow 600ms ease-out forwards;
}
@keyframes progressGlow {
  0% { opacity: 0.8; height: 6px; }
  100% { opacity: 0; height: 12px; }
}

/* hover 名称展开动画 */
.chapter-nav:hover .chapter-nav-item:nth-child(1) .chapter-nav-label { transition-delay: 0s; }
.chapter-nav:hover .chapter-nav-item:nth-child(2) .chapter-nav-label { transition-delay: 0.03s; }
.chapter-nav:hover .chapter-nav-item:nth-child(3) .chapter-nav-label { transition-delay: 0.06s; }
.chapter-nav:hover .chapter-nav-item:nth-child(4) .chapter-nav-label { transition-delay: 0.09s; }
.chapter-nav:hover .chapter-nav-item:nth-child(5) .chapter-nav-label { transition-delay: 0.12s; }
.chapter-nav:hover .chapter-nav-item:nth-child(6) .chapter-nav-label { transition-delay: 0.15s; }
.chapter-nav:hover .chapter-nav-item:nth-child(7) .chapter-nav-label { transition-delay: 0.18s; }
.chapter-nav:hover .chapter-nav-item:nth-child(8) .chapter-nav-label { transition-delay: 0.21s; }
.chapter-nav:hover .chapter-nav-item:nth-child(9) .chapter-nav-label { transition-delay: 0.24s; }

/* ---------- 9. 工作流程信号链 ---------- */

/* 桌面端横向信号线 */
.workflow-signal-line {
  position: absolute;
  top: 21px; left: 0;
  height: 1px;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1.4s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 0;
  pointer-events: none;
}
.workflow-steps {
  position: relative;
}
.workflow-signal-line.active {
  transform: scaleX(1);
}

/* 流程节点激活 */
.workflow-step-num {
  position: relative;
  transition: border-color 500ms var(--ease), color 500ms var(--ease), background 500ms var(--ease);
}
.workflow-step.activated .workflow-step-num {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(157,41,71,0.04);
}

/* 移动端纵向信号线 */
.workflow-step::after {
  transition: background 500ms ease;
}
.workflow-step.activated::after {
  background: rgba(157,41,71,0.3) !important;
}

/* ---------- 11. 个人自媒体卡片编号 ---------- */
.creator-work {
  position: relative;
}
.creator-work::before {
  content: '';
  position: absolute;
  top: 0; left: 12px;
  width: 20px; height: 1px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 500ms ease, width 600ms cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 2;
}
.creator-work:hover::before {
  opacity: 0.6;
  width: 32px;
}

/* ---------- 12. 深色/浅色过渡条 ---------- */
.section-divider-dark {
  max-width: 100%;
  margin: 0;
  padding: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--accent) 30%,
    var(--accent) 70%,
    transparent 100%);
  opacity: 0.3;
}

/* ---------- 13. 联系区域暗红信号 ---------- */
.contact::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(157,41,71,0.3) 40%,
    rgba(157,41,71,0.3) 60%,
    transparent 100%);
}

/* ---------- 14. 数据数字暗红强调 ---------- */
.stat-number.accent {
  position: relative;
  display: inline-block;
}
.stat-number.accent::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 100%; height: 1px;
  background: rgba(157,41,71,0.2);
}

/* ---------- 15. 按钮 hover 红色信号 ---------- */
.btn-primary:hover {
  box-shadow: 0 0 0 3px rgba(157,41,71,0.15);
}
.btn-outline:hover,
.btn-outline-light:hover {
  box-shadow: 0 0 0 2px rgba(157,41,71,0.12);
}

/* ============================================
   响应式系统 — 多断点 + 方向感知
   断点：1440 / 1200 / 992 / 768 / 480
   方向：portrait 平板竖屏 / landscape 平板横屏
   ============================================ */

/* ----- 1440px：缩小大屏内边距 ----- */
@media (max-width: 1440px) {
  :root { --padding-x: max(48px, 4vw); }
}

/* ================================================
   1200px：平板横屏 / 小型桌面
   保留桌面双列结构，缩小间距和字号
   ================================================ */
@media (max-width: 1200px) {
  :root {
    --padding-x: max(36px, 3.5vw);
    --section-gap: clamp(72px, 8vh, 96px);
  }

  /* 导航缩小间距 */
  .navbar-links { gap: 20px; }
  .navbar-links a { font-size: 13px; }

  /* Hero 缩小 */
  .hero { padding: 110px var(--padding-x) 72px; }
  .hero-inner { gap: 40px; }
  .hero-showcase { height: clamp(320px, 40vh, 440px); }

  /* 精选项目：保留左右分栏，缩小比例 */
  .featured-card { grid-template-columns: 42% 58%; }
  .featured-card-body { padding: 28px 32px; }

  /* 核心能力 */
  .ability-main { grid-template-columns: 1fr 1fr; gap: 40px; }
  .ability-radar { max-width: 360px; }

  /* 商业项目 */
  .case-grid { gap: 20px; }
  .card-title { font-size: 18px; }
  .card-cat-num { font-size: 16px; }

  /* 亳都 */
  .bodu-info-bar { grid-template-columns: repeat(2, 1fr); gap: 0; padding: 24px 0; }
  .bodu-info-bar-item { padding: 0 20px; }

  /* 个人自媒体 */
  .stats-grid { gap: 20px; }
  .stat-card { padding: 28px 24px; }
  .creator-work-list { gap: 20px; }

  /* 关于 */
  .about-inner { gap: 40px; }
}

/* ================================================
   平板竖屏（768–1199px）+ orientation:portrait
   核心重构：紧凑左右分栏、纵向流程、单列商业项目
   ================================================ */
@media (orientation: portrait) and (max-width: 1199px) and (min-width: 768px) {
  :root {
    --padding-x: 32px;
    --section-gap: clamp(64px, 7vh, 84px);
    --content-width: calc(100% - 64px);
  }

  /* Hero */
  .hero { min-height: auto; padding: 100px var(--padding-x) 56px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-left { order: 1; }
  .hero-showcase { height: clamp(260px, 35vh, 360px); order: 0; }

  /* 精选项目 — 紧凑左右分栏 */
  .featured-card {
    grid-template-columns: 38% 62%;
    border-radius: var(--radius);
  }
  .featured-card-cover { min-height: 0; height: 100%; }
  .featured-card-cover img { object-fit: contain; object-position: center center; }
  .featured-card-body {
    padding: 24px 28px;
    gap: 6px;
  }
  .featured-card-section-text {
    font-size: 14px;
    line-height: 1.6;
  }
  .featured-card-roles { gap: 6px; }
  .featured-card-roles span { font-size: 12px; padding: 3px 10px; }
  .featured-card-btn { margin-top: 14px; font-size: 13px; }

  /* 商业项目 — 双列 */
  .case-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .card-project.card--portrait { min-height: auto; }
  .card-project.card--portrait .card-media { padding: 12px; }
  .card-project.card--portrait .card-info { padding: 24px; }
  .card-project.card--landscape .card-info { grid-template-columns: 1fr; }

  /* 核心能力 — 上下布局：能力图在上，能力说明两列在下 */
  .ability-main {
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: center;
  }
  .ability-radar-wrap { justify-content: center; }
  .ability-radar { max-width: 340px; }
  .ability-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 32px;
  }
  .ability-item { padding: 14px 0; }

  /* 工作流程 — 纵向时间线（左侧编号 + 右侧内容） */
  .workflow-steps {
    display: flex;
    flex-direction: column;
    gap: 32px;
  }
  .workflow-steps::before { display: none; }
  .workflow-step {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
    position: relative;
    padding-left: 80px;
  }
  .workflow-step::after {
    content: '';
    position: absolute;
    left: 32px;
    top: 44px;
    bottom: -28px;
    width: 1px;
    background: var(--border);
  }
  .workflow-step:last-child::after { display: none; }
  .workflow-step-num {
    position: absolute;
    left: 16px; top: 0;
    margin: 0;
    width: 40px; height: 40px;
    font-size: 14px;
  }
  .workflow-step h4 {
    font-size: 16px;
    margin-bottom: 2px;
  }
  .workflow-step p {
    padding: 0;
    font-size: 14px;
    line-height: 1.7;
  }

  /* 亳都 */
  .bodu-block { grid-template-columns: 1fr; gap: 24px; }
  .bodu-detail-grid { grid-template-columns: repeat(2, 1fr); }

  /* 内容合作 — 双列 */
  .collab-list { grid-template-columns: repeat(2, 1fr); gap: 18px; }

  /* 个人自媒体 */
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-number { font-size: 28px; }
  .creator-work-list { grid-template-columns: repeat(2, 1fr); gap: 18px; }

  /* 创作经历 */
  .journey-item { gap: 20px; }
  .journey-year { font-size: 24px; }

  /* 关于我 — 两栏 */
  .about-inner { grid-template-columns: 32% 68%; gap: 40px; }

  /* 联系 */
  .contact-cards { grid-template-columns: 1fr; }
  .contact { padding: 64px var(--padding-x) 40px; }

  /* 顶部导航缩小 */
  .navbar-links { gap: 18px; }
  .navbar-links a { font-size: 13px; }
  .navbar { padding: 14px var(--padding-x); }
  .navbar.scrolled { padding: 10px var(--padding-x); }
}

/* ================================================
   平板横屏 / 台式小屏（992–1199px landscape）
   保持桌面双列结构，缩小间距
   ================================================ */
@media (orientation: landscape) and (max-width: 1199px) and (min-width: 992px) {
  :root {
    --padding-x: 36px;
    --section-gap: clamp(72px, 8vh, 96px);
  }

  .featured-card { grid-template-columns: 42% 58%; }
  .case-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .ability-main { grid-template-columns: minmax(280px, 0.8fr) minmax(360px, 1.2fr); gap: 36px; }
  .ability-radar { max-width: 320px; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .creator-work-list { grid-template-columns: repeat(3, 1fr); gap: 18px; }
}

/* ================================================
   768px：手机 + 小平板临界
   ================================================ */
@media (max-width: 768px) {
  :root {
    --padding-x: 22px;
    --section-gap: clamp(48px, 8vw, 64px);
    --content-width: calc(100% - 40px);
  }

  html { scroll-padding-top: 64px; }

  /* ▸▸▸ 顶部导航：汉堡菜单 ▸▸▸ */
  .navbar { padding: 12px var(--padding-x); height: 56px; }
  .navbar-links {
    position: fixed;
    top: 0; right: -100%;
    width: 75%; height: 100vh;
    background: var(--bg-white);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 4px;
    transition: right 0.36s var(--ease);
    box-shadow: -4px 0 24px rgba(0,0,0,0.08);
    z-index: 999;
  }
  .navbar-links.open { right: 0; }
  .navbar-links li { width: 100%; }
  .navbar-links a {
    display: block;
    padding: 14px 0;
    font-size: 16px;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border);
  }
  .navbar:not(.scrolled) .navbar-links a { color: var(--text-dark); }
  .navbar-toggle { display: flex; z-index: 1001; }
  .navbar:not(.scrolled) .navbar-toggle span { background: var(--text-light); }
  .navbar.scrolled .navbar-toggle span { background: var(--text-dark); }

  /* ▸▸▸ Hero 手机 ▸▸▸ */
  .hero { min-height: auto; padding: 96px var(--padding-x) 48px; }
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }

  /* 手机端：保留浮动封面墙，放大展示 */
  .hero-showcase {
    position: relative;
    height: 320px;
    min-height: 280px;
    width: 100%;
    max-width: 480px;
    margin: 0 auto 8px;
  }
  .hero-wall-tile {
    position: absolute !important;
    width: 50% !important;
    height: auto !important;
    aspect-ratio: 16 / 10;
    animation: heroFloat var(--float-dur, 10s) var(--float-delay, 0s) ease-in-out infinite;
    box-shadow: 0 6px 28px rgba(0,0,0,0.35);
    border-radius: 10px;
    cursor: pointer;
  }
  /* 4张错落分布，其余隐藏 */
  .hero-wall-tile:nth-child(1) { top: 2%  !important; left: 0%  !important; z-index: 4 !important; }
  .hero-wall-tile:nth-child(2) { top: 14% !important; left: 48% !important; z-index: 3 !important; }
  .hero-wall-tile:nth-child(3) { top: 50% !important; left: 4%  !important; z-index: 2 !important; }
  .hero-wall-tile:nth-child(4) { top: 56% !important; left: 46% !important; z-index: 1 !important; }
  .hero-wall-tile:nth-child(n+5) { display: none !important; }
  /* 标签文字手机上缩小 */
  .hero-wall-label { padding: 10px 12px 8px; }
  .hero-wall-brand { font-size: 10px; }
  .hero-wall-title { font-size: 12px; }

  /* ▸▸▸ 精选项目 — 上下结构 + coverMode ▸▸▸ */
  .featured-card { grid-template-columns: 1fr; }
  .featured-card-cover {
    min-height: 0;
    height: clamp(200px, 42vh, 360px);
  }
  .featured-card-cover img { object-fit: cover; }
  .featured-card-cover.cover--contain img { object-fit: contain; background: #F2F0EC; }
  .featured-card-body { padding: 22px 20px; }

  /* ▸▸▸ 商业项目 — 双列 ▸▸▸ */
  .case-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .card-project.card--portrait,
  .card-project.card--square { grid-template-columns: 1fr; min-height: auto; }
  .card-project.card--portrait .card-media,
  .card-project.card--square .card-media { aspect-ratio: 4 / 3; padding: 12px; }
  .card-project.card--landscape .card-info { grid-template-columns: 1fr; }
  .card-info { padding: 18px 20px !important; }

  /* ▸▸▸ 核心能力 — 单列上下布局 ▸▸▸ */
  .ability-main {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .ability-radar-wrap { justify-content: center; }
  .ability-radar { max-width: 270px; }
  .ability-list {
    display: flex;
    flex-direction: column;
  }
  .ability-item { padding: 14px 0; }
  .ability-item-title { font-size: 16px; }
  .ability-item-desc { font-size: 13px; }
  .ability-item-skills { font-size: 12px; }
  .ability-tools { gap: 24px; }
  .ability-tools .tools-list span { font-size: 12px; padding: 6px 14px; height: 30px; }

  /* ▸▸▸ 工作流程 — 纵向时间线 ▸▸▸ */
  .workflow-steps { display: flex; flex-direction: column; gap: 28px; }
  .workflow-steps::before { display: none; }
  .workflow-step {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
    position: relative;
    padding-left: 72px;
  }
  .workflow-step::after {
    content: '';
    position: absolute;
    left: 28px;
    top: 40px;
    bottom: -24px;
    width: 1px;
    background: var(--border);
  }
  .workflow-step:last-child::after { display: none; }
  .workflow-step-num {
    position: absolute;
    left: 12px; top: 0;
    margin: 0;
    width: 36px; height: 36px;
    font-size: 13px;
  }
  .workflow-step h4 {
    font-size: 15px;
    margin-bottom: 2px;
  }
  .workflow-step p {
    padding: 0;
    font-size: 13px;
    line-height: 1.7;
  }

  /* ▸▸▸ 亳都 ▸▸▸ */
  .bodu-block { grid-template-columns: 1fr; }
  .bodu-left, .bodu-right { padding: 18px; }
  .bodu-collection-summary { padding: 22px; gap: 14px; }
  .bodu-collection-count { font-size: 40px; }
  .bodu-collection-summary-label { font-size: 15px; }
  .bodu-info-bar { grid-template-columns: 1fr 1fr; gap: 0; padding: 20px 0; }
  .bodu-info-bar-item { padding: 0 16px; }
  .bodu-detail-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .bodu-entertainment-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .bodu-collection-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .bodu-section-header h4 { font-size: 16px; }

  /* ▸▸▸ 内容合作 ▸▸▸ */
  .collab-list { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .collab-intro { font-size: 14px; }
  .collab-meta { grid-template-columns: 1fr 1fr; gap: 10px; }

  /* ▸▸▸ 个人自媒体 ▸▸▸ */
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .stat-card { padding: 22px 18px; }
  .creator-work-list { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .section-head--creator { flex-direction: column; align-items: flex-start; gap: 20px; }
  .section-head__social { flex-wrap: wrap; }

  /* ▸▸▸ 创作经历 ▸▸▸ */
  .journey-item { grid-template-columns: 1fr; gap: 6px; padding: 24px 0; }
  .journey-year { font-size: 20px; }
  .journey-role { font-size: 16px; }
  .journey-desc { font-size: 14px; }

  /* ▸▸▸ 关于我 — 上下结构 ▸▸▸ */
  .about-inner { grid-template-columns: 1fr; gap: 24px; }
  .about-right p { font-size: 15px; line-height: 1.7; }
  .about-lead { font-size: 18px !important; }

  /* ▸▸▸ 联系 ▸▸▸ */
  .contact { padding: 56px var(--padding-x) 36px; }
  .contact-cards { grid-template-columns: 1fr 1fr; gap: 12px; }
  .contact-card { padding: 20px; }

  /* ▸▸▸ 项目头部 ▸▸▸ */
  .project-header { flex-wrap: wrap; gap: 10px; }
  .project-number { font-size: 28px; }

  /* ▸▸▸ 视频弹窗 ▸▸▸ */
  .video-modal { padding: 16px; }
  .video-modal-close { top: -40px; width: 32px; height: 32px; }

  /* ▸▸▸ Section 通用 ▸▸▸ */
  section { padding: var(--section-gap) var(--padding-x); }
  .section-head { margin-bottom: 36px; }
  section[id] { scroll-margin-top: 72px; }
}

/* ================================================
   480px：小屏手机
   ================================================ */
@media (max-width: 480px) {
  :root {
    --padding-x: 18px;
    --content-width: calc(100% - 36px);
  }

  .hero { padding: 88px var(--padding-x) 40px; }
  .hero-showcase {
    height: 260px;
    min-height: 240px;
    max-width: 380px;
    margin: 0 auto 6px;
  }
  .hero-wall-tile {
    width: 52% !important;
    aspect-ratio: 16 / 10;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  }
  .hero-wall-tile:nth-child(1) { top: 0%  !important; left: 0%  !important; }
  .hero-wall-tile:nth-child(2) { top: 10% !important; left: 46% !important; }
  .hero-wall-tile:nth-child(3) { top: 48% !important; left: 2%  !important; }
  .hero-wall-tile:nth-child(4) { top: 54% !important; left: 44% !important; }
  .hero-wall-label { padding: 8px 10px 6px; }
  .hero-wall-brand { font-size: 9px; }
  .hero-wall-title { font-size: 11px; }

  /* 精选项目封面高度收紧 */
  .featured-card-cover { height: clamp(180px, 38vh, 300px); }
  .featured-card-body { padding: 20px 18px; }
  .featured-card-section { margin-bottom: 12px; }

  /* 核心能力 — 手机端更紧凑 */
  .ability-radar { max-width: 240px; }
  .ability-item { padding: 12px 0; }
  .ability-item-title { font-size: 15px; }
  .ability-item-desc { font-size: 12px; }
  .ability-item-skills { font-size: 11px; }
  .ability-tools { gap: 18px; padding-top: 24px; margin-top: 28px; }
  .ability-tools .tools-list span { font-size: 11px; padding: 5px 12px; height: 28px; }

  /* 商业项目 */
  .card-info { padding: 16px 18px !important; }
  .card-project.card--portrait .card-media,
  .card-project.card--square .card-media { aspect-ratio: 1 / 1; }

  /* 亳都 */
  .bodu-left, .bodu-right { padding: 14px; }
  .bodu-entertainment-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .bodu-collection-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .bodu-detail-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .bodu-collection-summary { padding: 18px; }
  .bodu-collection-count { font-size: 36px; }
  .bodu-info-bar { grid-template-columns: 1fr; gap: 0; padding: 20px 0; }
  .bodu-info-bar-item { padding: 16px 20px; border-bottom: 1px solid var(--border); }
  .bodu-info-bar-item:last-child { border-bottom: none; }
  .bodu-info-bar-item:not(:last-child)::after { display: none; }

  /* 个人自媒体 */
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card { padding: 20px 18px; }

  /* 创作经历 */
  .journey-item { padding: 20px 0; }

  /* 关于 */
  .about-right p { font-size: 14px; }

  /* 联系 */
  .contact-cards { gap: 10px; }
  .contact-card { padding: 18px; border-radius: 10px; }

  /* Footer */
  .footer { padding: 24px var(--padding-x); }
  .footer p { font-size: 12px; }
}

/* ================================================
   全局 clamp() 字体响应式
   在非响应式区的固定字号前覆盖
   ================================================ */
@media (max-width: 1200px) {
  .hero-title { font-size: clamp(36px, 5vw, 56px); }
  .hero-headline { font-size: clamp(16px, 2vw, 20px); }
  .section-title { font-size: clamp(28px, 4vw, 40px); }
  .featured-card-title { font-size: clamp(20px, 2.5vw, 26px); }
  .project-number { font-size: clamp(28px, 4vw, 36px); }
  .project-header-text h3 { font-size: clamp(18px, 2.5vw, 24px); }
  .contact-title { font-size: clamp(32px, 5vw, 48px); }
}

@media (max-width: 768px) {
  body { font-size: 15px; }
  .hero-title { font-size: clamp(34px, 6.5vw, 44px); }
  .hero-headline { font-size: 15px; }
  .hero-desc { font-size: 14px; }
  .hero-stat-number { font-size: 22px; }
  .section-title { font-size: clamp(24px, 5vw, 32px); }
  .section-desc { font-size: 14px; }
  .featured-card-title { font-size: clamp(18px, 4vw, 24px); }
  .featured-card-result { font-size: 14px; }
  .featured-card-section-text { font-size: 13px; }
  .card-title { font-size: 17px; }
  .card-desc { font-size: 13px; }
  .subsection-title { font-size: clamp(18px, 4vw, 24px); }
  .stat-number { font-size: 28px; }
  .stat-label { font-size: 14px; }
  .journey-role { font-size: 16px; }
  .contact-title { font-size: clamp(28px, 6vw, 40px); }
  .contact-card-value { font-size: 15px; }

  /* 保留hero-showcase高度由上方媒体查询控制 */
  .featured-card-cover { min-height: 0 !important; }
  .card-project.card--portrait { min-height: auto !important; }
}

@media (max-width: 480px) {
  body { font-size: 14px; }
  .hero-title { font-size: clamp(30px, 8vw, 38px); }
  .hero-headline { font-size: 14px; }
  .hero-stat-number { font-size: 20px; }
  .section-title { font-size: clamp(22px, 6vw, 28px); }
  .featured-card-title { font-size: clamp(17px, 5vw, 20px); }
  .card-title { font-size: 16px; }
  .stat-number { font-size: 26px; }
  .contact-title { font-size: clamp(26px, 7vw, 34px); }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal, .reveal-left, .reveal-right, .reveal-scale, .stagger > * {
    opacity: 1 !important;
    transform: none !important;
  }
  /* 保留静态结构线，停止动效 */
  .bg-curve, .bg-breath-orb, .hero-signal,
  .chapter-nav-progress::before, .section-signal,
  .card-edge-red, .img-scan-line { animation: none !important; }
  .bg-curve { opacity: 0.4; }
  .chapter-nav-item.active .chapter-nav-dot::after { display: none; }
  .card-project::after { display: none; }
  .hero-eyebrow, .hero-title, .hero-headline,
  .hero-desc, .hero-tags, .hero-stats, .hero-cta { opacity: 1 !important; }
  #hero-showcase .hero-wall-tile { opacity: 1; transform: none; animation: none !important; }
  .section-head-editorial .section-num,
  .section-head-editorial .section-signal,
  .section-head-editorial .section-title-en,
  .section-head-editorial .section-title,
  .section-head-editorial .section-desc {
    opacity: 1 !important; transform: none !important; animation: none !important;
  }
  .section-signal { transform: scaleX(1) !important; }
  .workflow-signal-line { transform: scaleX(1); }
  .bg-system-dark { opacity: 1; }
}

/* ============================================
   手机端视觉系统精简
   隐藏复杂背景曲线，减少动画密度
   ============================================ */
@media (max-width: 768px) {
  /* 隐藏 SVG 曲线和呼吸光斑 */
  .bg-curves, .bg-breath { display: none; }
  .bg-struct-grid { background-size: 48px 48px; opacity: 0.7; }
  .bg-system-dark .bg-dark-orb { display: none; }
  .bg-system-dark .bg-dark-grid { background-size: 48px 48px; opacity: 0.7; }

  /* Hero 信号线简化 */
  .hero::before, .hero::after { display: none; }

  /* 简化 Hero 入场动画 */
  #hero-showcase .hero-wall-tile:nth-child(1) { animation-delay: 300ms; }
  #hero-showcase .hero-wall-tile:nth-child(2) { animation-delay: 380ms; }
  #hero-showcase .hero-wall-tile:nth-child(3) { animation-delay: 460ms; }
  #hero-showcase .hero-wall-tile:nth-child(4) { animation-delay: 520ms; }

  /* 卡片简化 — 移除hover线 */
  .card-project::before,
  .card-project::after,
  .featured-card::before,
  .featured-card::after { display: none; }
  .featured-card-cover::after { display: none; }

  /* 核心能力：取消动画，直接显示 */
  .ability-radar .ability-grid-layer,
  .ability-radar .ability-axis,
  .ability-radar .ability-fill,
  .ability-radar .ability-node-g,
  .ability-radar .ability-label-g,
  .ability-list .ability-item {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }

  /* 工作流程简化 */
  .workflow-signal-line { display: none; }

  /* 导航简化 */
  .chapter-nav-item.active .chapter-nav-dot::after {
    animation-duration: 5s;
  }

  /* 章节标题简化 */
  .section-signal { width: 28px; }
  .section-num { font-size: 12px; }
}