/* ========== 设计变量 ========== */
:root {
  --white:        #FFFFFF;
  --cream:        #F9F4DC;
  --jade:         #45978C;  /* 碧落青 */
  --jade-light:   #6BB5AA;
  --jade-pale:    #89CFC4;
  --jade-deep:    #2D6E65;
  --jade-darker:  #1A4A44;
  --ink:          #1A2E2B;
  --ink-soft:     #4A5E5A;
  --border:       rgba(45, 110, 101, 0.3);
}

* { box-sizing: border-box; margin: 0; padding: 0; border-radius: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans SC", "Noto Serif SC", system-ui, sans-serif;
  color: var(--ink);
  /* 白色顶部 → 碧落青底部，纵向渐变；每个高度颜色一致 */
  background: linear-gradient(180deg,
    #FFFFFF 0%,
    #F4F8F6 22%,
    #DCEAE5 45%,
    #A9D2C9 68%,
    #6BB5AA 85%,
    #45978C 100%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.7;
  padding-top: 70px;
}

/* 移除背景装饰层 */
.bg-decor, .blob, .grain { display: none; }

/* ========== 顶部导航（固定在页面最上方） ========== */
.nav-wrap {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: #FFFFFF;
  border-bottom: 2px solid var(--jade);
}
.nav-wrap.scrolled { border-bottom-color: var(--jade-deep); }

.nav-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: stretch;
  padding: 0 40px;
  min-height: 70px;
}

.brand {
  text-decoration: none; display: flex; flex-direction: column;
  justify-content: center; line-height: 1.1;
  padding-right: 40px; border-right: 1px solid var(--border);
  margin-right: 0;
}
.brand-cn {
  font-family: "Noto Serif SC", serif;
  font-size: 22px; font-weight: 600;
  color: var(--jade-darker); letter-spacing: 4px;
}
.brand-en {
  font-family: "Cormorant Garamond", serif;
  font-size: 11px; letter-spacing: 5px; color: var(--jade);
  margin-top: 2px;
}

/* Tab 均匀等分排列 */
.tabs {
  display: flex; flex: 1; gap: 0;
}
.tab {
  flex: 1;
  border: none; background: transparent; cursor: pointer;
  font-family: "Cormorant Garamond", "Noto Sans SC", serif;
  font-size: 13px; font-weight: 500; color: var(--ink-soft);
  padding: 0 8px; min-height: 70px;
  transition: all 0.2s ease;
  letter-spacing: 4px;
  border-bottom: 3px solid transparent;
}
.tab:hover { color: var(--jade-deep); background: rgba(69,151,140,0.06); }
.tab.active {
  color: var(--jade-darker);
  background: rgba(69,151,140,0.1);
  border-bottom: 3px solid var(--jade);
  font-weight: 600;
}

/* 移动端汉堡 */
.menu-btn {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
  align-self: center;
}
.menu-btn span {
  width: 24px; height: 2px; background: var(--jade-deep);
}

/* ========== 主容器 ========== */
.container {
  max-width: 1280px; margin: 0 auto;
  padding: 50px 40px 100px;
  min-height: calc(100vh - 170px);
}

.page { display: none; animation: fadeUp 0.5s ease both; }
.page.active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ========== 首页 Hero ========== */
#home { display: none; min-height: 65vh; align-items: center; justify-content: center; text-align: center; }
#home.active { display: flex; flex-direction: column; }

.hero-text { max-width: 800px; }
.hero-en {
  font-family: "Cormorant Garamond", serif;
  font-size: 22px; letter-spacing: 14px; color: var(--jade);
  margin-bottom: 12px;
}
.hero-cn {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(72px, 12vw, 140px); font-weight: 600;
  color: var(--jade-darker); letter-spacing: 18px;
  line-height: 1; margin-bottom: 28px;
}
.hero-sub {
  font-size: 20px; color: var(--jade-deep);
  letter-spacing: 8px; margin-bottom: 40px;
  font-family: "Noto Serif SC", serif;
}
.hero-divider {
  width: 60px; height: 2px;
  background: var(--jade);
  margin: 0 auto 40px;
}
.hero-desc {
  font-size: 16px; color: var(--ink-soft); line-height: 2;
  margin-bottom: 40px;
}
.hero-tags { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.tag {
  padding: 10px 24px;
  background: #FFFFFF;
  border: 1px solid var(--jade);
  font-size: 14px; color: var(--jade-deep); letter-spacing: 2px;
}

/* ========== 页面标题 ========== */
.page-head { text-align: center; margin-bottom: 50px; }
.page-en {
  font-family: "Cormorant Garamond", serif;
  font-size: 18px; letter-spacing: 10px; color: var(--jade);
}
.page-cn {
  font-family: "Noto Serif SC", serif;
  font-size: 38px; font-weight: 600; color: var(--jade-darker);
  letter-spacing: 8px; margin: 8px 0 16px;
}
.page-line {
  width: 80px; height: 3px; margin: 0 auto;
  background: var(--jade);
}

/* ========== 卡片（方形实底+硬边框） ========== */
.glass-grid {
  display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}
.two-col { grid-template-columns: 1fr 1fr; }

.glass-card {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border);
  padding: 32px;
  transition: border-color 0.2s ease;
}
.glass-card:hover {
  border-color: var(--jade);
}
.glass-card h3 {
  font-family: "Noto Serif SC", serif;
  color: var(--jade-deep); font-size: 20px;
  margin-bottom: 16px; letter-spacing: 3px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--jade);
}
.glass-card p { color: var(--ink-soft); margin-bottom: 12px; }

.info-list { list-style: none; }
.info-list li {
  display: flex; justify-content: space-between;
  padding: 10px 0; border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.info-list li:last-child { border-bottom: none; }
.info-list span { color: var(--ink-soft); }
.info-list b { color: var(--jade-darker); font-weight: 500; }

/* ========== PROFILE 二人卡片 ========== */
.profile-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) minmax(0, 1fr);
  gap: 32px;
  max-width: 1200px; margin: 0 auto;
  align-items: start;
}
.profile-card {
  display: flex; flex-direction: column;
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid var(--border);
  min-width: 0;
  width: 100%;
  /* 框的横竖比：宽:高 = 3:5（竖向卡片） */
  aspect-ratio: 3 / 5;
}
.profile-card-left  { justify-self: start; }
.profile-card-right { justify-self: end; }
.profile-photo {
  flex: 3;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.5);
  color: var(--jade-deep);
  border-bottom: 1px dashed var(--border);
}
.profile-photo-hint {
  font-family: "Noto Serif SC", serif;
  font-size: 14px; letter-spacing: 4px;
  color: var(--ink-soft); opacity: 0.55;
}
.profile-tag {
  flex: 1;
  display: flex; align-items: center; justify-content: flex-start;
  padding: 0 28px;
  font-family: "Noto Serif SC", serif;
  font-size: 22px; letter-spacing: 10px;
  font-weight: 300;
}
.profile-tag b { font-weight: 300; }
.tag-light {
  background: #FFFFFF;
  color: var(--jade);
}
.tag-dark {
  background: var(--jade);
  color: #FFFFFF;
}

/* 中间可写小字 */
.profile-middle {
  display: flex; align-items: center; justify-content: center;
  padding: 20px 8px;
  font-family: "Noto Serif SC", serif;
  font-size: 15px; line-height: 2.1;
  letter-spacing: 3px;
  color: var(--jade-darker);
  text-align: center;
  min-width: 0;
}
.profile-middle p { color: var(--jade-darker); }

/* ========== 作品 ========== */
/* 三列：左涛菜单(贴边) | 中间作品 | 右卿菜单(贴边) */
.works-layout {
  display: grid;
  grid-template-columns: 200px 1fr 200px;
  gap: 24px;
  max-width: 1200px; margin: 0 auto;
  align-items: start;
  position: relative;
}
.works-center { min-width: 0; }
.works-side {
  /* 紧贴页面两侧、滚动时固定 */
  position: sticky;
  top: 90px;
  align-self: start;
}
.works-side-left  { justify-self: start; }
.works-side-right { justify-self: end; }

/* 毛玻璃无框竖向菜单（含 涛/卿 字） */
.glass-menu {
  display: flex; flex-direction: column; gap: 10px;
  padding: 18px 22px;
  background: rgba(255, 255, 255, 0.32);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: none;
  overflow: visible;
  min-width: 140px;
}
.glass-menu-glyph {
  font-family: "Noto Serif SC", serif;
  font-size: 17px;            /* 菜单 15px + 2px */
  font-weight: 600;
  color: var(--jade-darker);
  letter-spacing: 6px;
  user-select: none;
  margin-bottom: 4px;
  padding-left: 0px;          /* 涛 靠菜单左内侧 */
}
.glass-menu-right .glass-menu-glyph {
  align-self: flex-end;       /* 「卿」靠菜单右侧，与「涛」对称 */
  padding-left: 0;
  padding-right: 0px;         /* 卿 靠菜单右内侧，与「涛」对称 */
}
.glass-menu-list {
  list-style: none;
  display: flex; flex-direction: column; gap: 4px;
}
.glass-menu-list-right { text-align: right; }
.glass-menu-item {
  font-family: "Noto Sans SC", sans-serif;
  font-size: 15px; letter-spacing: 4px;
  color: var(--ink-soft);
  padding: 6px 0;
  cursor: pointer;
  transition: color 0.2s ease;
  background: transparent; border: none;
}
.glass-menu-item:hover { color: var(--jade-darker); }
.glass-menu-item.active { color: var(--jade-darker); font-weight: 600; }

/* 旧 works-cols 隐藏（已废弃） */
.works-cols { display: none; }
.works-glyph { display: none; }
.filter-bar { display: none; }
.chip { display: none; }

.works-grid {
  /* 两栏：涛（左侧）｜ 卿（右侧），中间一道青色分割线 */
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 32px;
  row-gap: 24px;
  max-width: 560px;
  margin: 0 auto;
  align-items: start;
  position: relative;
}
.works-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0;
}
.works-grid::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--jade);
  transform: translateX(-0.5px);
  pointer-events: none;
}
.work-card {
  width: 100%;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border);
  overflow: hidden; cursor: pointer;
  transition: border-color 0.2s ease;
}
.work-card:hover { border-color: var(--jade); }
.work-cover { height: 180px; position: relative; }
.work-body { padding: 20px; border-top: 1px solid var(--border); }
.work-type { font-size: 12px; color: var(--jade); letter-spacing: 2px; }
.work-card h4 {
  font-family: "Noto Serif SC", serif;
  font-size: 18px; color: var(--jade-darker); margin: 6px 0;
}
.work-date { font-size: 13px; color: var(--ink-soft); }

/* ========== 图库 ========== */
.masonry {
  columns: 4; column-gap: 18px;
}
.m-item {
  break-inside: avoid; margin-bottom: 18px;
  min-height: 160px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5); font-size: 36px; font-weight: 300;
  cursor: pointer; transition: opacity 0.2s ease;
  border: 1px solid var(--border);
}
.m-item:hover { opacity: 0.85; }
.m-item:nth-child(odd) { min-height: 220px; }
.m-item:nth-child(3n) { min-height: 280px; }

/* ========== 视频 ========== */
.video-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.video-card { cursor: pointer; }
.video-thumb {
  position: relative; height: 200px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px; overflow: hidden;
  border: 1px solid var(--border);
}
.play-btn {
  width: 56px; height: 56px;
  background: rgba(255,255,255,0.9);
  position: relative;
  transition: transform 0.2s ease;
}
.play-btn::after {
  content: ""; position: absolute;
  left: 50%; top: 50%; transform: translate(-40%, -50%);
  border-left: 14px solid var(--jade-deep);
  border-top: 9px solid transparent; border-bottom: 9px solid transparent;
}
.video-card:hover .play-btn { transform: scale(1.15); }
.video-card h4 { font-family: "Noto Serif SC", serif; color: var(--jade-darker); font-size: 17px; }
.video-card p { font-size: 13px; color: var(--ink-soft); margin-top: 4px; }

/* ========== 动态 时间线 ========== */
.timeline { max-width: 780px; margin: 0 auto; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 11px; top: 0; bottom: 0;
  width: 2px; background: var(--jade);
}
.t-item { display: flex; gap: 24px; margin-bottom: 28px; }
.t-dot {
  flex-shrink: 0; width: 24px; height: 24px;
  background: var(--jade); margin-top: 28px;
}
.t-card { flex: 1; }
.t-date { font-size: 13px; color: var(--jade); letter-spacing: 2px; }
.t-card h4 { font-family: "Noto Serif SC", serif; color: var(--jade-darker); margin: 6px 0 8px; }

/* ========== 留言板 ========== */
.guest-form { display: flex; flex-direction: column; gap: 14px; }
.guest-form input, .guest-form textarea {
  border: 1px solid var(--border); background: rgba(255,255,255,0.85);
  padding: 14px 18px; font-size: 15px;
  font-family: inherit; color: var(--ink); outline: none;
  transition: border-color 0.2s ease;
}
.guest-form input:focus, .guest-form textarea:focus {
  border-color: var(--jade);
}
.btn-primary {
  border: none; cursor: pointer; padding: 14px 28px;
  font-size: 15px; letter-spacing: 3px;
  color: #fff; background: var(--jade);
  transition: background 0.2s ease;
}
.btn-primary:hover { background: var(--jade-deep); }

.msg-list { display: flex; flex-direction: column; gap: 16px; }
.msg-item {
  padding: 16px 18px;
  background: rgba(255,255,255,0.6);
  border-left: 3px solid var(--jade);
}
.msg-item b { color: var(--jade-deep); }
.msg-item p { color: var(--ink-soft); margin-top: 4px; font-size: 14px; }

/* ========== 页脚 ========== */
.foot {
  text-align: center; padding: 40px 20px;
  color: var(--ink-soft); font-size: 13px;
  border-top: 2px solid var(--jade);
  background: rgba(255,255,255,0.6);
}
.socials { margin-top: 10px; letter-spacing: 2px; }
.socials span { color: var(--jade-deep); }

/* ========== 响应式 ========== */
@media (max-width: 860px) {
  .nav-inner { padding: 0 20px; }
  .tabs {
    position: fixed; top: 70px; right: -100%;
    flex-direction: column; background: #FFFFFF;
    padding: 0; width: 220px;
    border-left: 2px solid var(--jade);
    border-bottom: 2px solid var(--jade);
    transition: right 0.3s ease;
  }
  .tabs.open { right: 0; }
  .tab { min-height: 56px; border-bottom: 1px solid var(--border); }
  .menu-btn { display: flex; }
  .container { padding: 40px 20px 80px; }
  .two-col { grid-template-columns: 1fr; }
  .masonry { columns: 2; }
  .hero-cn { letter-spacing: 10px; }
  .page-cn { font-size: 30px; }
  .works-cols { grid-template-columns: 1fr; gap: 40px; }
  .works-glyph { font-size: 72px; }
  .profile-grid { grid-template-columns: 1fr; }
  .profile-card-left, .profile-card-right { justify-self: stretch; }
  .profile-middle { padding: 16px 0; }
  .works-layout { grid-template-columns: 1fr; }
  .works-side { position: static; justify-self: stretch; }
  .glass-menu-list-right { text-align: left; }
  .works-grid { grid-template-columns: 1fr; column-gap: 0; max-width: 560px; }
  .works-grid::before { display: none; }
}
@media (max-width: 480px) {
  .masonry { columns: 1; }
}

/* ========== 编辑模式 ========== */
.edit-fab {
  position: fixed; right: 32px; bottom: 32px; z-index: 200;
  border: 2px solid var(--jade);
  background: var(--jade); color: #fff;
  padding: 14px 26px; font-size: 14px; letter-spacing: 3px;
  cursor: pointer; font-family: inherit; font-weight: 600;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.edit-fab:hover { background: var(--jade-deep); border-color: var(--jade-deep); }

.edit-bar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
  background: var(--jade-darker); color: #fff;
  display: none; align-items: center; justify-content: center;
  gap: 14px; padding: 14px 20px;
  border-top: 2px solid var(--jade);
}
.edit-bar-label { font-size: 13px; letter-spacing: 4px; font-weight: 600; margin-right: 8px; }
.eb-btn {
  border: 2px solid #fff; background: transparent; color: #fff;
  padding: 8px 22px; font-size: 13px; letter-spacing: 2px;
  cursor: pointer; font-family: inherit; font-weight: 600;
  transition: background 0.2s ease, color 0.2s ease;
}
.eb-btn:hover { background: #fff; color: var(--jade-darker); }
.eb-btn.save { background: #fff; color: var(--jade-darker); }
.eb-btn.save:hover { background: var(--cream); border-color: var(--cream); }
.eb-btn.ghost { border-color: rgba(255,255,255,0.5); color: rgba(255,255,255,0.85); }
.eb-btn.ghost:hover { background: rgba(255,255,255,0.15); color: #fff; }

body.editing [data-edit] {
  outline: 2px dashed var(--jade);
  outline-offset: 4px;
  cursor: text;
  background: rgba(255,255,255,0.92);
}
body.editing [data-edit]:hover { outline-style: solid; outline-color: var(--jade-deep); }
body.editing [data-edit]:focus { outline: 3px solid var(--jade); background: #fff; }

.edit-toast {
  position: fixed; top: 90px; left: 50%;
  transform: translateX(-50%) translateY(-12px);
  z-index: 300; background: var(--jade-darker); color: #fff;
  padding: 12px 28px; font-size: 14px; letter-spacing: 3px; font-weight: 600;
  opacity: 0; transition: opacity 0.25s ease, transform 0.25s ease;
  border: 2px solid var(--jade);
}
.edit-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ========== 数据驱动的卡片控制条（editing 模式可见） ========== */
.add-row { display: none; justify-content: center; margin: 28px 0 0; }
body.editing .add-row { display: flex; }
.add-btn {
  border: 2px dashed var(--jade);
  background: rgba(255,255,255,0.7);
  color: var(--jade-deep);
  padding: 14px 28px; font-size: 14px; letter-spacing: 4px;
  cursor: pointer; font-family: inherit; font-weight: 600;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.add-btn:hover { background: var(--cream); border-color: var(--jade-deep); }

.item-ctrl { display: none; position: absolute; top: 8px; right: 8px; gap: 6px; z-index: 5; }
.work-card, .video-card, .m-item, .t-item, .profile-card { position: relative; }
body.editing .item-ctrl { display: flex; }
.ic-btn {
  width: 28px; height: 28px;
  border: 2px solid var(--jade);
  background: rgba(255,255,255,0.95);
  color: var(--jade-deep);
  cursor: pointer; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s ease, color 0.15s ease;
}
.ic-btn:hover { background: var(--jade); color: #fff; }
.ic-btn.del:hover { background: #B0413E; border-color: #B0413E; color: #fff; }

/* ========== 内联表单 ========== */
.inline-form {
  margin-top: 12px;
  background: rgba(255,255,255,0.96);
  border: 2px solid var(--jade);
  padding: 16px;
  display: flex; flex-direction: column; gap: 10px;
}
.if-row { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--jade-deep); letter-spacing: 2px; }
.if-row span { font-weight: 600; }
.if-row input[type="text"],
.if-row textarea {
  border: 1px solid var(--border);
  background: #fff;
  padding: 8px 10px; font-size: 14px;
  font-family: inherit; color: var(--ink); outline: none;
}
.if-row input[type="text"]:focus,
.if-row textarea:focus { border-color: var(--jade); }
.if-preview {
  width: 100%; max-height: 120px; object-fit: cover;
  border: 1px dashed var(--border);
  background: rgba(255,255,255,0.6);
}
.if-file {
  font-size: 12px; padding: 4px 0;
}
.if-actions { display: flex; gap: 8px; justify-content: flex-end; }
.if-save, .if-cancel {
  border: 2px solid var(--jade);
  background: var(--jade); color: #fff;
  padding: 8px 18px; font-size: 13px; letter-spacing: 2px;
  cursor: pointer; font-family: inherit; font-weight: 600;
  transition: background 0.2s ease;
}
.if-save:hover { background: var(--jade-deep); }
.if-cancel { background: transparent; color: var(--jade-deep); }
.if-cancel:hover { background: rgba(69,151,140,0.1); }

/* 隐藏 file input 在某些场景下用按钮触发 */
.if-file { display: block; }

.if-textarea {
  width: 100%;
  min-height: 140px;
  resize: vertical;
  font-family: inherit;
  font-size: 14px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--ink);
}

.profile-form { min-width: 280px; }