/* ============================================================
   Jungod 摄影作品集 · 编辑杂志风（Editorial）样式
   —— 衬线标题 / 无衬线正文 / 暖米底 #F9F8F6 / 柔和黑 #1C1C1C
   —— 直角（无圆角）/ 无阴影 / 单色透明度层次 / 克制动效
   ============================================================ */

/* ---------- 令牌 ---------- */
:root {
  --bg: #F9F8F6;                       /* 暖米色背景 */
  --fg: #1C1C1C;                       /* 柔和黑文字 */
  --muted: rgba(28, 28, 28, .6);       /* 次要 */
  --faint: rgba(28, 28, 28, .4);       /* 辅助 */
  --border: rgba(28, 28, 28, .1);      /* 1px 描边 */
  --inv-bg: #1C1C1C;                   /* 反色块（页脚/金句） */
  --inv-fg: #F9F8F6;
  --inv-border: rgba(249, 248, 246, .16);
  --inv-muted: rgba(249, 248, 246, .55);
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
          "Noto Sans SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --ease: ease;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.625;                  /* leading-relaxed */
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; -webkit-user-drag: none; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--fg); color: var(--bg); }
:focus-visible { outline: 1px solid var(--fg); outline-offset: 3px; }

/* ---------- 排版 ---------- */
.serif { font-family: var(--serif); }
.h-display { font-family: var(--serif); font-weight: 400; letter-spacing: -0.02em; line-height: 1.12; margin: 0; }
.h-hero   { font-size: clamp(36px, 6.5vw, 76px); }
.h-1      { font-size: clamp(30px, 4.5vw, 48px); }
.h-2      { font-size: clamp(24px, 3vw, 30px); }
.h-3      { font-size: clamp(20px, 2.4vw, 24px); }
.lead     { font-size: 16px; line-height: 1.625; }
.small    { font-size: 12px; }
.italic   { font-style: italic; }
.mono     { font-family: var(--mono); }
.muted    { color: var(--muted); }
.faint    { color: var(--faint); }
.eyebrow {
  font-family: var(--sans); font-size: 12px; font-weight: 400;
  letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin: 0;
}
.prose p { max-width: 68ch; margin: 0 0 1.25em; }

/* ---------- 链接下划线动效 ---------- */
.u-link { position: relative; }
.u-link::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.u-link:hover::after, .u-link.active::after { transform: scaleX(1); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px;                     /* px-6 py-3 */
  border: 1px solid transparent;
  font-family: var(--sans); font-size: 14px; letter-spacing: .04em;
  cursor: pointer; border-radius: 0; text-decoration: none;
  transition: opacity .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}
.btn:active { transform: scale(.95); }
.btn-primary { background: var(--fg); color: var(--bg); }
.btn-primary:hover { opacity: .9; }
.btn-secondary { background: transparent; color: var(--fg); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--fg); }
.btn-inv { background: var(--inv-fg); color: var(--inv-bg); }
.btn-inv:hover { opacity: .9; }
.btn-ghost-inv { background: transparent; color: var(--inv-fg); border-color: var(--inv-border); }
.btn-ghost-inv:hover { border-color: var(--inv-fg); }
.btn-sm { padding: 8px 16px; font-size: 12px; }

/* ---------- 卡片 ---------- */
.card {
  border: 1px solid var(--border);
  padding: 24px;                          /* p-6 */
  transition: border-color .2s var(--ease);
}
.card:hover { border-color: var(--fg); }

/* ---------- 输入 ---------- */
.input, .textarea, .select {
  width: 100%; min-height: 44px; padding: 10px 14px;
  border: 1px solid var(--border); border-radius: 0;
  background: var(--bg); color: var(--fg);
  font-family: var(--sans); font-size: 14px;
  transition: border-color .2s var(--ease);
}
.input::placeholder, .textarea::placeholder { color: var(--muted); }
.input:focus, .textarea:focus, .select:focus {
  outline: none; border-color: var(--fg);
}
.textarea { min-height: 96px; resize: vertical; line-height: 1.625; }

/* ---------- 布局 ---------- */
.container { max-width: 1152px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
@media (min-width: 768px) { .container { padding-left: 48px; padding-right: 48px; } }
.section { padding: 64px 0; }
@media (min-width: 768px) { .section { padding: 96px 0; } }
@media (min-width: 1024px) { .section { padding: 128px 0; } }
.section--inv { background: var(--inv-bg); color: var(--inv-fg); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(249, 248, 246, .9);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1152px; margin: 0 auto; padding: 0 24px; height: 60px;
  display: flex; align-items: center; gap: 32px;
}
@media (min-width: 768px) { .nav-inner { padding: 0 48px; } }
.nav-brand {
  font-family: var(--serif); font-size: 22px; font-weight: 400;
  letter-spacing: -0.01em; color: var(--fg);
}
.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a {
  font-family: var(--sans); font-size: 12px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted);
  transition: color .2s var(--ease);
}
.nav-links a:hover { color: var(--fg); }
.nav-links a.active { color: var(--fg); }
.nav-tools { display: flex; gap: 12px; align-items: center; }
.nav-btn {
  border: 0; background: none; cursor: pointer; padding: 8px;
  font-family: var(--sans); font-size: 12px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted);
  transition: color .2s var(--ease);
}
.nav-btn:hover { color: var(--fg); }
.nav-burger { display: none; }
@media (max-width: 833px) {
  .nav-links {
    position: fixed; top: 60px; left: 0; right: 0; z-index: 999;
    flex-direction: column; gap: 0; margin: 0;
    background: rgba(249, 248, 246, .97);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
    max-height: 0; overflow: hidden; transition: max-height .35s var(--ease);
    padding: 0 24px;
  }
  .nav-links.open { max-height: 340px; padding: 12px 24px 20px; }
  .nav-links a { padding: 14px 0; font-size: 14px; border-bottom: 1px solid var(--border); }
  .nav-burger { display: block; }
}

/* ---------- 首页 Hero ---------- */
.hero { padding: 160px 0 96px; }
@media (min-width: 768px) { .hero { padding: 220px 0 128px; } }
.hero-inner { max-width: 900px; }
.hero-kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 20px;
}
.hero-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(44px, 9vw, 104px); line-height: 1.04;
  letter-spacing: -0.02em; margin: 0;
}
.hero-title .italic { font-style: italic; color: var(--muted); }
.hero-sub {
  font-size: 16px; color: var(--muted); max-width: 56ch;
  margin: 28px 0 0; line-height: 1.625;
}
.hero-cta { display: flex; gap: 12px; margin-top: 40px; flex-wrap: wrap; }
.hero-stats {
  margin-top: 56px; display: flex; gap: 32px; flex-wrap: wrap;
  border-top: 1px solid var(--border); padding-top: 24px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted);
}
.hero-stats b { color: var(--fg); font-weight: 400; }

/* ---------- 方向入口（编号编辑卡片） ---------- */
.dir-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 768px) { .dir-grid { grid-template-columns: 1fr 1fr; gap: 20px; } }
.dir-card {
  display: block; border: 1px solid var(--border);
  transition: border-color .2s var(--ease);
}
.dir-card:hover { border-color: var(--fg); }
.dir-card-media { height: 320px; overflow: hidden; background: var(--bg); display: flex; align-items: center; justify-content: center; }
.dir-card-media img { width: 100%; height: 100%; object-fit: contain; transition: opacity .2s var(--ease); }
.dir-card:hover .dir-card-media img { opacity: .9; }
.dir-card-body { padding: 24px; }
.dir-card-body .no {
  font-family: var(--mono); font-size: 12px; letter-spacing: .2em;
  color: var(--faint); display: block; margin-bottom: 12px;
}
.dir-card-body h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: 26px; letter-spacing: -0.01em; margin: 0 0 4px;
}
.dir-card-body .sub { font-size: 14px; color: var(--muted); font-style: italic; margin: 0 0 14px; }
.dir-card-body .meta {
  font-family: var(--mono); font-size: 11px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--faint); margin: 0;
}

/* ---------- 金句页 ---------- */
.statement { padding: 128px 0; text-align: center; }
.statement .eyebrow { color: var(--inv-muted); }
.statement h2 {
  font-family: var(--serif); font-weight: 400; color: var(--inv-fg);
  font-size: clamp(28px, 4.5vw, 52px); line-height: 1.25;
  letter-spacing: -0.01em; margin: 24px auto 0; max-width: 24em;
}
.statement h2 .italic { font-style: italic; color: var(--inv-muted); }
.statement p { color: var(--inv-muted); font-size: 14px; margin: 20px 0 0; }
.statement .btn { margin-top: 36px; }

/* ---------- 城市跑马灯 ---------- */
.marquee {
  overflow: hidden; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 14px 0; white-space: nowrap;
}
.marquee-track { display: inline-block; animation: marquee 40s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: var(--serif); font-size: 18px; color: var(--muted);
  margin: 0 28px;
}
.marquee-track span i { font-style: normal; color: var(--faint); margin-left: 28px; font-family: var(--mono); font-size: 12px; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- 编号照片列表（编辑风） ---------- */
.edlist { border-top: 1px solid var(--border); }
.ed-item {
  display: grid; grid-template-columns: 56px 1fr; gap: 20px; align-items: start;
  padding: 28px 0; border-bottom: 1px solid var(--border);
  transition: border-color .2s var(--ease);
}
@media (min-width: 768px) { .ed-item { grid-template-columns: 72px 1fr 260px; gap: 32px; align-items: center; } }
.ed-item:hover { border-color: var(--fg); }
.ed-item .no {
  font-family: var(--mono); font-size: 12px; color: var(--faint);
  letter-spacing: .12em; padding-top: 4px;
}
.ed-item .txt h3 {
  font-family: var(--serif); font-weight: 400; font-size: 20px;
  letter-spacing: -0.01em; margin: 0 0 6px;
}
.ed-item .txt .meta {
  font-family: var(--mono); font-size: 11px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted); margin: 0;
}
.ed-item .note { font-size: 14px; color: var(--muted); font-style: italic; margin: 8px 0 0; }
/* 缩略图：保留原生横竖比例，不裁切（长边上限约束） */
.ed-item .thumb { width: 240px; max-width: 100%; max-height: 180px; height: auto; object-fit: contain; cursor: zoom-in; justify-self: end; background: transparent; }
@media (max-width: 767px) { .ed-item .thumb { grid-column: 1 / -1; margin-top: 8px; max-height: none; width: 100%; } }
.ed-item:hover .txt h3 { font-style: italic; }

/* ---------- 城市列表行 ---------- */
.place-row {
  display: grid; grid-template-columns: 56px 1fr; gap: 20px; align-items: center;
  padding: 28px 0; border-bottom: 1px solid var(--border);
  transition: border-color .2s var(--ease);
}
@media (min-width: 768px) { .place-row { grid-template-columns: 72px 1fr 200px; gap: 32px; } }
.place-row:hover { border-color: var(--fg); }
.place-row .no { font-family: var(--mono); font-size: 12px; color: var(--faint); letter-spacing: .12em; }
.place-row h3 {
  font-family: var(--serif); font-weight: 400; font-size: 24px; letter-spacing: -0.01em; margin: 0;
}
.place-row .en { font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin: 4px 0 0; }
.place-row .meta { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin: 8px 0 0; }
.place-row:hover h3 { font-style: italic; }
/* 缩略图：保留原生横竖比例，不裁切 */
.place-row .thumb { width: 200px; max-width: 100%; max-height: 150px; height: auto; object-fit: contain; justify-self: end; }
@media (max-width: 767px) { .place-row .thumb { grid-column: 1 / -1; max-height: none; width: 100%; } }

/* ---------- 国家分组 ---------- */
.country-head {
  display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap;
  border-bottom: 1px solid var(--border); padding-bottom: 16px; margin: 56px 0 0;
}
.country-head h3 { font-family: var(--serif); font-weight: 400; font-size: 26px; letter-spacing: -0.01em; margin: 0; }
.country-head .en { font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }

/* ---------- 页头 ---------- */
.page-head { padding: 140px 0 24px; }
@media (min-width: 768px) { .page-head { padding: 190px 0 32px; } }
.page-head h1 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(40px, 6.5vw, 76px); letter-spacing: -0.02em; line-height: 1.06; margin: 16px 0 0;
}
.page-head .sub { font-size: 16px; color: var(--muted); max-width: 60ch; margin: 20px 0 0; line-height: 1.625; }
.page-head .meta {
  font-family: var(--mono); font-size: 12px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--faint); margin: 28px 0 0;
}

/* ---------- 城市时间线（瀑布流） ---------- */
.masonry { columns: 3 300px; column-gap: 24px; }
.m-item {
  break-inside: avoid; margin-bottom: 32px; cursor: zoom-in;
  opacity: 0; transform: translateY(12px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.m-item.in { opacity: 1; transform: none; }
.m-item img { width: 100%; height: auto; }  /* 瀑布流：保留原生横竖比例 */
.m-caption { padding-top: 12px; border-top: 1px solid var(--border); margin-top: 12px; }
.m-caption .top { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.m-caption .day { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.m-caption .title { font-family: var(--serif); font-size: 17px; }
.m-item:hover .m-caption .title { font-style: italic; }
.m-caption .date { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--muted); }
.m-note { font-size: 13px; color: var(--muted); font-style: italic; margin: 8px 0 0; }
/* 原文件名小字 */
.m-file { font-family: var(--mono); font-size: 10px; letter-spacing: .06em; color: var(--muted); margin: 5px 0 0; }

/* ---------- 学习日记 ---------- */
.filter-bar {
  position: sticky; top: 60px; z-index: 100;
  background: rgba(249, 248, 246, .92);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.filter-inner { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 12px 0; }
#tj-controls-inner { display: inline-flex; align-items: center; gap: 8px; flex: 1; }
.chip {
  padding: 8px 16px; border: 1px solid var(--border); border-radius: 0;
  background: transparent; cursor: pointer;
  font-family: var(--sans); font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}
.chip:hover { border-color: var(--fg); color: var(--fg); }
.chip.active { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.chip:active { transform: scale(.95); }
.filter-select {
  height: 36px; padding: 0 32px 0 12px; border: 1px solid var(--border); border-radius: 0;
  background: transparent; font-family: var(--sans); font-size: 12px; letter-spacing: .06em;
  color: var(--muted); cursor: pointer; transition: border-color .2s var(--ease);
}
.filter-select:focus { outline: none; border-color: var(--fg); }
.filter-spacer { flex: 1; }

.month-head {
  display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap;
  border-bottom: 1px solid var(--border); padding-bottom: 12px; margin: 64px 0 24px;
}
.month-head h3 { font-family: var(--serif); font-weight: 400; font-size: 24px; margin: 0; }
.month-head .range { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
/* 日记网格：瀑布流，保留每张照片原生横竖比例 */
.diary-grid { columns: 3 240px; column-gap: 24px; }
.d-item {
  break-inside: avoid; margin-bottom: 24px; cursor: zoom-in;
  opacity: 0; transform: translateY(12px); transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.d-item.in { opacity: 1; transform: none; }
.d-item img { width: 100%; height: auto; }
.d-item-cap { padding-top: 10px; border-top: 1px solid transparent; transition: border-color .2s var(--ease); }
.d-item:hover .d-item-cap { border-color: var(--fg); }
.d-item-cap { padding-top: 10px; border-top: 1px solid transparent; transition: border-color .2s var(--ease); }
.d-item:hover .d-item-cap { border-color: var(--fg); }
/* 大标题：Day N（衬线 20px） */
.d-item-cap .day-line { font-family: var(--serif); font-size: 20px; letter-spacing: -0.01em; line-height: 1.2; }
/* 人性化标题：衬线斜体小字 */
.d-item-cap .title-line { font-family: var(--serif); font-size: 13px; font-style: italic; color: var(--muted); margin-top: 4px; }
/* 原文件名 · 城市 · 日期：等宽 10px */
.d-item-cap .line3 { font-family: var(--mono); font-size: 10px; letter-spacing: .06em; color: var(--muted); margin-top: 5px; }
.d-item:hover .day-line { font-style: italic; }

/* ---------- 灯箱（毛玻璃悬浮窗） ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(249, 248, 246, .5);
  -webkit-backdrop-filter: blur(22px);
  backdrop-filter: blur(22px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  opacity: 0; pointer-events: none; transition: opacity .25s var(--ease);
}
.lightbox.open { opacity: 1; pointer-events: auto; }
.lb-window {
  position: relative;
  width: min(980px, 94vw);
  max-height: 92vh;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.lb-stage {
  flex: 1 1 auto; min-height: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(28, 28, 28, .03);
  padding: 24px;
  overflow: hidden;
}
.lb-stage img { max-width: 100%; max-height: 60vh; object-fit: contain; }
.lb-info {
  padding: 20px 28px 24px;
  border-top: 1px solid var(--border);
  overflow-y: auto; max-height: 32vh;
}
.lb-info .title { font-family: var(--serif); font-size: 20px; letter-spacing: -0.01em; }
.lb-info .meta { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-top: 4px; }
.lb-info .gear { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-top: 8px; }
.lb-info .note { font-size: 13px; font-style: italic; color: var(--muted); margin-top: 8px; }
.lb-story { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.lb-story .story-label { font-family: var(--mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--faint); }
.lb-story p { font-family: var(--serif); font-size: 15px; line-height: 1.75; margin: 8px 0 0; }
.lb-btn {
  position: absolute; width: 44px; height: 44px; border: 1px solid var(--border); border-radius: 0;
  background: var(--bg); cursor: pointer; font-size: 16px; color: var(--fg);
  display: flex; align-items: center; justify-content: center;
  transition: border-color .2s var(--ease), opacity .2s var(--ease);
  z-index: 2;
}
.lb-btn:hover { border-color: var(--fg); opacity: .9; }
.lb-btn:active { transform: scale(.92); }
.lb-close { top: 0; right: 0; border-top: 0; border-right: 0; }
.lb-prev { left: 12px; top: 50%; margin-top: -22px; }
.lb-next { right: 12px; top: 50%; margin-top: -22px; }

/* ---------- 关于页 ---------- */
.about-split { display: grid; grid-template-columns: 1fr; gap: 48px; align-items: start; }
@media (min-width: 768px) { .about-split { grid-template-columns: 1.1fr .9fr; gap: 64px; } }
.about-media img { width: 100%; }
.about-copy .contact { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); }
.contact a { display: inline-block; margin: 0 20px 8px 0; font-size: 14px; }
.contact a::after { height: 1px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--inv-bg); color: var(--inv-fg); }
.footer-inner {
  max-width: 1152px; margin: 0 auto; padding: 96px 24px 64px;
  display: flex; align-items: flex-start; justify-content: space-between; gap: 40px; flex-wrap: wrap;
}
@media (min-width: 768px) { .footer-inner { padding: 96px 48px 64px; } }
.footer .brand { font-family: var(--serif); font-size: 24px; margin: 0 0 8px; }
.footer .fine { font-size: 12px; color: var(--inv-muted); line-height: 1.8; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--inv-muted); transition: color .2s var(--ease); }
.footer-links a:hover { color: var(--inv-fg); }

/* ---------- 空状态 ---------- */
.empty { max-width: 520px; margin: 0 auto; text-align: left; padding: 96px 0; }
.empty h3 { font-family: var(--serif); font-weight: 400; font-size: 28px; margin: 0 0 12px; }
.empty p { font-size: 14px; color: var(--muted); margin: 0 0 28px; }

/* ---------- 管理后台 ---------- */
.admin-wrap { max-width: 960px; margin: 0 auto; padding: 100px 24px 80px; }
.login-card { max-width: 400px; margin: 12vh auto 0; border: 1px solid var(--border); padding: 40px 36px; }
.login-card h1 { font-family: var(--serif); font-weight: 400; font-size: 24px; margin: 0 0 8px; }
.login-card p { font-size: 13px; color: var(--muted); margin: 0 0 28px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 0 24px; }
@media (min-width: 768px) { .form-grid { grid-template-columns: 1fr 1fr; } }
.form-grid .full { grid-column: 1 / -1; }
.seg { display: inline-flex; border: 1px solid var(--border); }
.seg button {
  padding: 10px 18px; border: 0; background: transparent; cursor: pointer;
  font-family: var(--sans); font-size: 12px; letter-spacing: .06em;
  color: var(--muted); border-radius: 0;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}
.seg button.active { background: var(--fg); color: var(--bg); }
.upload-zone {
  border: 1px solid var(--border); padding: 48px 24px; text-align: center;
  cursor: pointer; color: var(--muted); font-size: 14px;
  transition: border-color .2s var(--ease);
}
.upload-zone:hover, .upload-zone.drag { border-color: var(--fg); }
.upload-zone input { display: none; }
.file-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; margin-top: 20px; }
.file-item { position: relative; border: 1px solid var(--border); }
.file-item img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.file-item .bar { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--border); }
.file-item .bar i { display: block; height: 100%; background: var(--fg); width: 0; transition: width .3s var(--ease); }
.file-item .st { position: absolute; top: 6px; right: 6px; font-size: 10px; padding: 3px 8px; background: var(--bg); border: 1px solid var(--border); }
.file-item.done .st { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.row-list { border-top: 1px solid var(--border); }
.row-item {
  display: grid; grid-template-columns: 72px 1fr auto auto; gap: 16px; align-items: center;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}
.row-item img { width: 56px; height: 56px; object-fit: cover; }
.row-item .info .t { font-size: 15px; font-family: var(--serif); }
.row-item .info .s { font-size: 12px; color: var(--muted); margin-top: 4px; font-family: var(--mono); }
.row-actions { display: flex; gap: 8px; }
.toast {
  position: fixed; left: 50%; bottom: 32px; transform: translate(-50%, 16px);
  background: var(--fg); color: var(--bg); padding: 12px 24px;
  font-size: 13px; letter-spacing: .04em;
  opacity: 0; pointer-events: none; z-index: 3000;
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.modal {
  position: fixed; inset: 0; z-index: 2500;
  background: rgba(28, 28, 28, .4); display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .25s var(--ease);
}
.modal.open { opacity: 1; pointer-events: auto; }
.modal-card {
  background: var(--bg); border: 1px solid var(--border); padding: 32px;
  width: min(560px, 92vw); max-height: 88vh; overflow-y: auto;
}
.modal-card h3 { font-family: var(--serif); font-weight: 400; font-size: 22px; margin: 0 0 24px; }
.modal-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 28px; }
.admin-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }
.admin-head h1 { font-family: var(--serif); font-weight: 400; font-size: 32px; margin: 0; }

/* ---------- 题记（名言） ---------- */
.epigraph {
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border);
  max-width: 60ch;
}
.epigraph .quote { font-family: var(--serif); font-size: 17px; font-style: italic; line-height: 1.75; margin: 0; }
.epigraph .orig { font-family: var(--serif); font-size: 13px; font-style: italic; color: var(--muted); margin: 8px 0 0; }
.epigraph .who { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin: 12px 0 0; }
.epigraph .who::before { content: "—— "; }
.epigraph--inv { border-top-color: var(--inv-border); }
.epigraph--inv .quote { color: var(--inv-fg); }
.epigraph--inv .orig { color: var(--inv-muted); }
.epigraph--inv .who { color: var(--inv-muted); }

/* ---------- 时间轨迹 ---------- */
.traj-card {
  background: var(--bg); border: 1px solid var(--border);
  padding: 10px; z-index: 20; max-width: 240px;
  box-shadow: none;
}
/* 悬停卡片：图片自适应，横竖照片都完整显示（不裁切） */
.traj-card img { max-width: 220px; max-height: 150px; width: auto; height: auto; display: block; }
.check-label { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--fg); cursor: pointer; }
.check-label input { accent-color: var(--fg); }
.cover-badge { display: inline-block; border: 1px solid var(--fg); padding: 1px 7px; font-size: 10px; letter-spacing: .14em; margin-right: 8px; }
.traj-card-body { padding: 10px 4px 2px; }
.traj-card-body b { font-family: var(--serif); font-size: 16px; font-weight: 400; letter-spacing: -0.01em; }
.traj-card .tj-meta { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-top: 5px; }
.traj-card .tj-note { font-size: 12px; font-style: italic; color: var(--muted); margin: 7px 0 0; line-height: 1.55; }
.traj-card .tj-en { display: block; font-family: var(--mono); font-size: 9px; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); margin-bottom: 3px; }

/* 轨迹页：点击城市后的照片带（横向，不裁切） */
.tj-strip { display: flex; gap: 14px; overflow-x: auto; padding: 2px 2px 10px; scrollbar-width: thin; }
.tj-strip figure { margin: 0; flex: 0 0 auto; cursor: zoom-in; }
.tj-strip img { height: 150px; width: auto; max-width: 280px; display: block; border: 1px solid var(--border); }

/* ---------- 地图 ---------- */
.map-wrap { position: relative; border: 1px solid var(--border); overflow: hidden; }
.map-tip {
  background: var(--bg); border: 1px solid var(--fg); padding: 8px 12px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--fg); pointer-events: none;
  transition: opacity .15s var(--ease); z-index: 10;
}
.map-tip b { font-weight: 400; }
.map-tip span { color: var(--muted); margin-left: 8px; }
.map-place-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
.map-place-grid figure { margin: 0; cursor: zoom-in; }
.map-place-grid img { width: 100%; height: auto; }

/* ---------- 星级 ---------- */
.stars { font-size: 12px; letter-spacing: .12em; white-space: nowrap; }
.stars .off { color: var(--faint); }
.star-row { display: inline-flex; gap: 2px; align-items: center; }
.star-row button {
  border: 0; background: none; cursor: pointer; padding: 3px 2px;
  font-size: 16px; line-height: 1; color: var(--faint);
  transition: color .15s var(--ease);
}
.star-row button.on { color: var(--fg); }
.star-row button:hover { color: var(--fg); }

/* ---------- 入场 ---------- */
.fade-up { opacity: 0; transform: translateY(12px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.fade-up.in { opacity: 1; transform: none; }

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .fade-up, .m-item, .d-item { opacity: 1 !important; transform: none !important; }
  .marquee-track { animation: none !important; }
}