/* ===== 侘寂 Wabi-Sabi ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --washi: #f3efe7;
  --washi-light: #f8f5ef;
  --washi-dark: #ebe5d9;
  --sumi: #2c2825;
  --sumi-light: #4a433d;
  --sumi-muted: #7a7269;
  --sumi-faint: #a8a096;
  --toigo: #b8a99a;
  --toigo-light: #d4c8b8;
  --moss: #7a8471;
  --moss-light: #a3ad99;
  --vermilion: #a0392e;
  --vermilion-light: #c45a4d;
  --gold: #b8956a;
  --border: #d8d0c4;
  --border-light: #e5ded2;
  --font-serif: 'Shippori Mincho', 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-cn: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-sans: 'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-cn);
  background: var(--washi);
  background-image:
    radial-gradient(ellipse at 20% 30%, rgba(184,169,154,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(122,132,113,0.06) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  color: var(--sumi);
  line-height: 1.9;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.02em;
}

/* ===== 可编辑 ===== */
[contenteditable="true"] {
  outline: none;
  border-bottom: 1px dotted transparent;
  transition: border-color 0.3s, background 0.3s;
  cursor: text;
}
[contenteditable="true"]:hover {
  border-bottom-color: var(--toigo);
}
[contenteditable="true"]:focus {
  border-bottom-color: var(--vermilion);
  background: rgba(160,57,46,0.03);
}

/* ===== 顶部导航（加大醒目） ===== */
.top-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(243,239,231,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(44,40,37,0.06);
}
.nav-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 40px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-seal {
  width: 44px; height: 44px;
  background: var(--vermilion);
  color: var(--washi);
  font-family: var(--font-cn);
  font-size: 22px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  box-shadow: 1px 1px 0 rgba(160,57,46,0.3);
  letter-spacing: 0;
}
.nav-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.nav-title {
  font-family: var(--font-cn);
  font-size: 20px;
  font-weight: 600;
  color: var(--sumi);
  letter-spacing: 4px;
}
.nav-sub {
  font-family: var(--font-serif);
  font-size: 10px;
  color: var(--sumi-faint);
  letter-spacing: 3px;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  gap: 8px;
}
.nav-links a {
  text-decoration: none;
  color: var(--sumi-light);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 2px;
  transition: all 0.3s;
  letter-spacing: 3px;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 1px;
  background: var(--vermilion);
  transition: width 0.3s;
}
.nav-links a:hover {
  color: var(--vermilion);
}
.nav-links a:hover::after { width: 60%; }
.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 20px;
  border-left: 1px solid var(--border);
}
.sync-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--moss);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.sync-text {
  font-size: 12px;
  color: var(--sumi-faint);
  letter-spacing: 1px;
}

/* 简繁切换按钮 */
.lang-toggle {
  margin-left: 16px;
  padding: 6px 14px;
  background: transparent;
  border: 1px solid var(--toigo);
  color: var(--sumi);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  letter-spacing: 2px;
  transition: all 0.25s;
  border-radius: 2px;
}
.lang-toggle:hover {
  background: var(--vermilion);
  color: var(--washi);
  border-color: var(--vermilion);
}

/* 汉堡按钮 */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: 8px;
}
.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--sumi);
  transition: all 0.3s;
}

/* 侧边栏 */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s;
}
.sidebar-overlay.active {
  display: block;
  opacity: 1;
}
.sidebar {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100vh;
  background: var(--washi);
  z-index: 1000;
  transition: right 0.35s ease;
  box-shadow: -4px 0 24px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
}
.sidebar.active { right: 0; }
.sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 24px 20px;
  border-bottom: 1px solid var(--border);
}
.sidebar-title {
  font-size: 18px;
  letter-spacing: 3px;
  color: var(--sumi);
  font-weight: 500;
}
.sidebar-links {
  flex: 1;
  padding: 16px 0;
}
.sidebar-links a {
  display: block;
  padding: 16px 28px;
  font-size: 16px;
  letter-spacing: 4px;
  color: var(--sumi);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all 0.2s;
}
.sidebar-links a:hover {
  background: rgba(160,57,46,0.06);
  border-left-color: var(--vermilion);
  color: var(--vermilion);
}
.sidebar-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border);
}
.sidebar-lang {
  width: 100%;
  margin: 0;
}

/* ===== 封面 ===== */
.cover {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 60px 80px;
  position: relative;
  overflow: hidden;
}
.cover-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 0;
}
.cover-slide {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
  filter: sepia(0.15) brightness(1.05) contrast(0.95);
}
.cover-slide.active { opacity: 0.35; }
.cover-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, rgba(243,239,231,0.6) 0%, rgba(243,239,231,0.4) 50%, rgba(243,239,231,0.7) 100%);
}
.cover-vertical-text {
  position: absolute;
  left: 60px;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--font-cn);
  font-size: 14px;
  color: var(--sumi-faint);
  letter-spacing: 12px;
  font-weight: 300;
  z-index: 2;
}
.cover-center {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 700px;
}
.cover-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 48px;
}
.cover-issue {
  font-family: var(--font-cn);
  font-size: 13px;
  color: var(--sumi-muted);
  letter-spacing: 4px;
}
.cover-divider {
  width: 40px;
  height: 1px;
  background: var(--toigo);
}
.cover-date {
  font-family: var(--font-cn);
  font-size: 13px;
  color: var(--sumi-muted);
  letter-spacing: 3px;
}
.cover-title {
  font-family: var(--font-cn);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  letter-spacing: 12px;
  line-height: 1.3;
  margin-bottom: 20px;
  color: var(--sumi);
  text-indent: 12px;
  text-shadow: 0 2px 20px rgba(243,239,231,0.8);
}
.cover-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(14px, 1.8vw, 18px);
  color: var(--sumi-muted);
  letter-spacing: 10px;
  margin-bottom: 56px;
  font-weight: 400;
}
.cover-info {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-bottom: 40px;
}
.cover-info-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}
.ci-label {
  font-size: 11px;
  color: var(--sumi-faint);
  letter-spacing: 4px;
}
.ci-value {
  font-family: var(--font-cn);
  font-size: 15px;
  color: var(--sumi-light);
  font-weight: 500;
  letter-spacing: 2px;
}
.cover-seal {
  position: absolute;
  right: -20px;
  bottom: 30px;
  width: 56px; height: 56px;
  background: var(--vermilion);
  color: var(--washi);
  font-family: var(--font-cn);
  font-size: 28px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transform: rotate(-5deg);
  box-shadow: 2px 2px 0 rgba(160,57,46,0.2);
  opacity: 0.9;
}
.cover-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 36px;
}
.cover-dots .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--toigo);
  cursor: pointer;
  transition: all 0.3s;
  opacity: 0.5;
}
.cover-dots .dot.active {
  background: var(--vermilion);
  opacity: 1;
  width: 24px;
  border-radius: 4px;
}
.cover-bottom {
  position: absolute;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--sumi-faint);
  letter-spacing: 6px;
  z-index: 2;
}

/* ===== DAY 快速导航（印章滑动） ===== */
.day-nav {
  position: sticky;
  top: 72px;
  z-index: 50;
  background: rgba(243,239,231,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-light);
  padding: 18px 0;
}
.day-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.day-nav-label {
  font-size: 12px;
  color: var(--sumi-faint);
  letter-spacing: 5px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  padding-right: 24px;
  font-family: var(--font-cn);
}
.day-nav-links {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 4px 0;
  flex: 1;
}
.day-nav-links::-webkit-scrollbar { display: none; }
.day-nav-links a {
  font-family: var(--font-cn);
  font-size: 15px;
  font-weight: 600;
  color: var(--washi);
  text-decoration: none;
  padding: 10px 18px;
  background: var(--vermilion);
  border-radius: 4px;
  letter-spacing: 2px;
  transition: all 0.3s;
  flex-shrink: 0;
  box-shadow: 2px 2px 0 rgba(160,57,46,0.25);
  position: relative;
  opacity: 0.75;
  transform: rotate(-1deg);
}
.day-nav-links a:nth-child(even) { transform: rotate(1deg); }
.day-nav-links a:hover {
  opacity: 1;
  transform: rotate(0deg) scale(1.08);
  box-shadow: 3px 3px 0 rgba(160,57,46,0.35);
}
.day-nav-links a::before {
  content: '';
  position: absolute;
  top: 3px; left: 3px; right: 3px; bottom: 3px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 2px;
  pointer-events: none;
}

/* ===== 通用区块 ===== */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 90px 40px;
}
.section-header {
  display: flex;
  align-items: flex-end;
  margin-bottom: 56px;
  gap: 24px;
}
.section-header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}
.section-num {
  font-family: var(--font-cn);
  font-size: 36px;
  font-weight: 900;
  color: var(--vermilion);
  line-height: 1;
  opacity: 0.7;
}
.section-title {
  font-family: var(--font-cn);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 8px;
  color: var(--sumi);
  line-height: 1.3;
}
.section-en {
  font-family: var(--font-serif);
  font-size: 11px;
  color: var(--sumi-faint);
  letter-spacing: 4px;
  text-transform: uppercase;
  display: block;
  margin-top: 4px;
}
.section-header-line {
  flex: 1;
  height: 1px;
  background: var(--border);
  margin-bottom: 12px;
}

/* ===== 行程天卡片 ===== */
.days-container { display: flex; flex-direction: column; gap: 48px; }

.day-card {
  background: var(--washi-light);
  border: 1px solid var(--border-light);
  position: relative;
  transition: box-shadow 0.3s;
}
.day-card:hover {
  box-shadow: 0 4px 30px rgba(44,40,37,0.06);
}
.day-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--vermilion);
  opacity: 0.6;
}

.day-header {
  display: flex;
  align-items: center;
  padding: 28px 36px;
  border-bottom: 1px solid var(--border-light);
  gap: 28px;
  flex-wrap: wrap;
}
.day-number-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 70px;
}
.day-number {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 800;
  color: var(--sumi);
  line-height: 1;
  letter-spacing: 0;
}
.day-number-label {
  font-size: 10px;
  color: var(--sumi-faint);
  letter-spacing: 3px;
  margin-top: 4px;
}
.day-meta { flex: 1; min-width: 150px; }
.day-date {
  font-family: var(--font-cn);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
  letter-spacing: 2px;
}
.day-weekday {
  font-size: 12px;
  color: var(--sumi-faint);
  letter-spacing: 3px;
}
.day-city {
  font-family: var(--font-cn);
  font-size: 14px;
  color: var(--moss);
  border: 1px solid var(--moss-light);
  padding: 4px 16px;
  letter-spacing: 3px;
  font-weight: 500;
}
.day-theme {
  font-family: var(--font-cn);
  font-size: 14px;
  color: var(--sumi-muted);
  margin-top: 6px;
  font-style: italic;
  letter-spacing: 2px;
}

.day-body { padding: 32px 36px; }

.schedule-list {
  display: flex;
  flex-direction: column;
}

.schedule-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  padding: 20px 0;
  border-bottom: 1px dashed var(--border-light);
  position: relative;
}
.schedule-item:last-child { border-bottom: none; }

.schedule-time-col {
  display: flex;
  align-items: flex-start;
  padding-top: 2px;
}
.schedule-time {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--sumi);
  letter-spacing: 1px;
}
.schedule-content {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 24px;
  border-left: 1px solid var(--border-light);
}
.schedule-activity {
  font-family: var(--font-cn);
  font-size: 15px;
  color: var(--sumi);
  line-height: 1.7;
  letter-spacing: 1px;
}
.schedule-food {
  font-size: 13px;
  color: var(--vermilion);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  letter-spacing: 1px;
}
.schedule-food::before {
  content: '膳';
  font-family: var(--font-cn);
  font-size: 11px;
  width: 18px; height: 18px;
  background: var(--vermilion);
  color: var(--washi);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  flex-shrink: 0;
}
.schedule-note {
  font-size: 12px;
  color: var(--sumi-faint);
  font-style: italic;
  letter-spacing: 1px;
}
.schedule-actions {
  position: absolute;
  top: 20px; right: 0;
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: opacity 0.3s;
}
.schedule-item:hover .schedule-actions { opacity: 1; }
.btn-icon {
  width: 26px; height: 26px;
  border: 1px solid var(--border);
  background: var(--washi);
  cursor: pointer;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  color: var(--sumi-faint);
}
.btn-icon:hover {
  border-color: var(--vermilion);
  color: var(--vermilion);
}

.day-hotel {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 14px;
}
.hotel-label {
  font-size: 11px;
  color: var(--sumi-faint);
  letter-spacing: 4px;
  flex-shrink: 0;
}
.hotel-label::before { content: '宿 · '; color: var(--moss); font-weight: 600; }
.hotel-value {
  font-family: var(--font-cn);
  font-size: 14px;
  color: var(--sumi-light);
  letter-spacing: 1px;
}

.btn-add-schedule {
  margin-top: 20px;
  padding: 12px 20px;
  border: 1px dashed var(--toigo);
  background: transparent;
  color: var(--sumi-muted);
  font-size: 12px;
  letter-spacing: 4px;
  cursor: pointer;
  transition: all 0.3s;
  width: 100%;
  font-family: var(--font-cn);
}
.btn-add-schedule:hover {
  border-color: var(--vermilion);
  color: var(--vermilion);
  background: rgba(160,57,46,0.02);
}

/* ===== 打卡地 ===== */
.checkin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 36px;
}
.checkin-card {
  background: var(--washi-light);
  border: 1px solid var(--border-light);
  padding: 28px;
  position: relative;
  transition: all 0.3s;
}
.checkin-card:hover {
  box-shadow: 0 4px 24px rgba(44,40,37,0.06);
  transform: translateY(-2px);
}
.checkin-card.done {
  background: var(--washi-dark);
}
.checkin-card.done::after {
  content: '已 至';
  position: absolute;
  top: 20px; right: 20px;
  font-family: var(--font-cn);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--washi);
  background: var(--moss);
  padding: 4px 12px;
  font-weight: 600;
}
.checkin-name {
  font-family: var(--font-cn);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  padding-right: 60px;
  color: var(--sumi);
  letter-spacing: 2px;
}
.checkin-address {
  font-size: 12px;
  color: var(--sumi-faint);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 1px;
}
.checkin-address::before { content: '址'; font-size: 10px; color: var(--toigo); }
.checkin-note {
  font-size: 13px;
  color: var(--sumi-muted);
  margin-bottom: 16px;
  line-height: 1.8;
  letter-spacing: 1px;
  padding-left: 10px;
  border-left: 2px solid var(--toigo-light);
}
.checkin-photos {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.checkin-photo {
  width: 58px; height: 58px;
  object-fit: cover;
  cursor: pointer;
  transition: transform 0.2s;
  border: 1px solid var(--border-light);
  filter: sepia(0.1);
}
.checkin-photo:hover { transform: scale(1.05); }
.photo-upload-btn {
  width: 58px; height: 58px;
  border: 1px dashed var(--toigo);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--sumi-faint);
  font-size: 20px;
  transition: all 0.2s;
}
.photo-upload-btn:hover {
  border-color: var(--vermilion);
  color: var(--vermilion);
}
.checkin-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}
.btn-checkin {
  padding: 7px 18px;
  border: 1px solid var(--sumi);
  background: transparent;
  color: var(--sumi);
  font-size: 12px;
  letter-spacing: 3px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-cn);
}
.btn-checkin:hover {
  background: var(--sumi);
  color: var(--washi);
}
.checkin-card.done .btn-checkin {
  background: var(--moss);
  border-color: var(--moss);
  color: var(--washi);
}

/* ===== 美食 ===== */
.food-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 36px;
}
.food-card {
  background: var(--washi-light);
  border: 1px solid var(--border-light);
  padding: 28px;
  transition: all 0.3s;
  position: relative;
}
.food-card:hover {
  box-shadow: 0 4px 24px rgba(44,40,37,0.06);
  transform: translateY(-2px);
}
.food-card.eaten { background: var(--washi-dark); }
.food-status-badge {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 11px;
  letter-spacing: 2px;
  padding: 4px 12px;
  font-family: var(--font-cn);
  font-weight: 600;
}
.food-status-badge.want { color: var(--gold); border: 1px solid var(--gold); }
.food-status-badge.eaten { color: var(--washi); background: var(--gold); }
.food-name {
  font-family: var(--font-cn);
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 6px;
  padding-right: 60px;
  color: var(--sumi);
  letter-spacing: 2px;
}
.food-restaurant {
  font-size: 13px;
  color: var(--vermilion);
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.food-rating {
  margin-bottom: 10px;
  font-size: 16px;
  letter-spacing: 3px;
}
.food-rating .star {
  cursor: pointer;
  color: var(--border);
  transition: color 0.2s;
}
.food-rating .star.active { color: var(--gold); }
.food-note {
  font-size: 13px;
  color: var(--sumi-muted);
  margin-bottom: 16px;
  line-height: 1.8;
  letter-spacing: 1px;
  padding-left: 10px;
  border-left: 2px solid var(--toigo-light);
}
.food-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 14px;
}

/* ===== 通用添加按钮 ===== */
.btn-add {
  display: block;
  margin: 0 auto;
  padding: 14px 40px;
  border: 1px solid var(--sumi);
  background: transparent;
  color: var(--sumi);
  font-size: 13px;
  letter-spacing: 5px;
  cursor: pointer;
  transition: all 0.3s;
  font-family: var(--font-cn);
}
.btn-add:hover {
  background: var(--sumi);
  color: var(--washi);
}

/* ===== 指南 ===== */
.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.info-card {
  background: var(--washi-light);
  border: 1px solid var(--border-light);
  padding: 32px;
  position: relative;
}
.info-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
}
.info-card:nth-child(1)::before { background: var(--moss); }
.info-card:nth-child(2)::before { background: var(--gold); }
.info-card:nth-child(3)::before { background: var(--vermilion); }
.info-card-title {
  font-family: var(--font-cn);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--sumi);
  letter-spacing: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}
.info-card-content {
  font-size: 13px;
  color: var(--sumi-light);
  line-height: 2.1;
  white-space: pre-wrap;
  letter-spacing: 1px;
}

/* ===== 航班（最后） ===== */
.flights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.flight-card {
  background: var(--washi-light);
  border: 1px solid var(--border-light);
  padding: 28px 32px;
  position: relative;
  transition: box-shadow 0.3s;
}
.flight-card:hover { box-shadow: 0 4px 24px rgba(44,40,37,0.06); }
.flight-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--gold);
  opacity: 0.7;
}
.flight-type {
  display: inline-block;
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 4px;
  font-weight: 600;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
}
.flight-no {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--sumi);
  letter-spacing: 1px;
}
.flight-route {
  font-family: var(--font-cn);
  font-size: 16px;
  margin-bottom: 6px;
  color: var(--sumi-light);
  letter-spacing: 2px;
}
.flight-time {
  font-size: 13px;
  color: var(--sumi-muted);
  letter-spacing: 1px;
}

/* ===== 页脚 ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 40px;
  text-align: center;
  margin-top: 40px;
}
.footer-inner {
  font-family: var(--font-cn);
  font-size: 13px;
  color: var(--sumi-faint);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  letter-spacing: 6px;
}
.footer-seal {
  width: 32px; height: 32px;
  background: var(--vermilion);
  color: var(--washi);
  font-size: 16px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  transform: rotate(3deg);
}

/* ===== 拖拽排序 ===== */
.drag-handle {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 16px;
  color: var(--toigo);
  cursor: grab;
  line-height: 1;
  opacity: 0.5;
  transition: opacity 0.2s;
  user-select: none;
  letter-spacing: -2px;
}
.checkin-card:hover .drag-handle,
.food-card:hover .drag-handle {
  opacity: 1;
}
.drag-handle:active { cursor: grabbing; }

.checkin-card, .food-card {
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}
.checkin-card.dragging,
.food-card.dragging {
  opacity: 0.4;
  transform: scale(0.98) rotate(1deg);
}
.checkin-card.drag-over,
.food-card.drag-over {
  border-color: var(--vermilion) !important;
  box-shadow: 0 0 0 2px var(--vermilion), 0 4px 24px rgba(160,57,46,0.15);
  transform: translateY(-2px);
}

/* 打卡地卡片名称留出拖拽手柄空间 */
.checkin-card .checkin-name { padding-left: 24px; }
.food-card .food-name { padding-left: 24px; }

/* ===== 灯箱 ===== */
.lightbox {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(44,40,37,0.9);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.lightbox.active { display: flex; }
.lightbox img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  border: 4px solid var(--washi);
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .nav-inner { padding: 0 12px; height: 56px; gap: 8px; }
  .nav-links { display: none; }
  .nav-status { display: none; }
  .lang-toggle {
    display: block;
    margin-left: 0;
    padding: 5px 10px;
    font-size: 12px;
    letter-spacing: 1px;
  }
  .nav-hamburger { display: flex; margin-left: 4px; }
  .nav-title { font-size: 15px; letter-spacing: 1px; }
  .nav-sub { display: none; }
  .nav-seal { width: 32px; height: 32px; font-size: 16px; }
  .nav-left { gap: 8px; }
  .cover { padding: 90px 20px 50px; min-height: 70vh; }
  .cover-vertical-text { display: none; }
  .cover-info { flex-direction: column; gap: 16px; }
  .cover-title { font-size: 28px; letter-spacing: 5px; }
  .cover-subtitle { font-size: 13px; }
  .cover-slide { background-size: cover; background-position: center top; }
  .day-nav { top: 56px; padding: 10px 0; }
  .day-nav-inner { padding: 0 12px; gap: 10px; }
  .day-nav-label { padding-right: 10px; font-size: 10px; letter-spacing: 2px; }
  .day-nav-links a { font-size: 12px; padding: 7px 12px; }
  .section { padding: 48px 20px; }
  .section-title { font-size: 18px; letter-spacing: 3px; }
  .day-header { padding: 16px; gap: 12px; }
  .day-number { font-size: 28px; }
  .day-body { padding: 16px; }
  .schedule-item { grid-template-columns: 80px 1fr; gap: 12px; }
  .schedule-content { padding-left: 10px; }
  .schedule-time { font-size: 14px; }
  .info-grid { grid-template-columns: 1fr; }
  .flights-grid { grid-template-columns: 1fr; }
  .checkin-grid, .food-grid { grid-template-columns: 1fr; }
  .drag-handle { opacity: 0.7; }
}