/* 黑白胶卷档案馆 —— 现代复古精致 · 古典绿 + 金黄 VI 配色 */
:root {
  --bg: #F3EDE0;           /* 米白暖纸底 */
  --bg-soft: #EAE1CE;      /* 略深米(header/footer) */
  --card: #FBF7EE;         /* 卡片暖白 */
  --card-hover: #F3ECDD;
  --line: #D8CBAF;         /* 暖米描边 */
  --text: #22402F;         /* 古典深绿 主文字 */
  --text-dim: #6E6C5A;     /* 暖灰绿 次要 */
  --accent: #A87A10;       /* 金黄 强调 */
  --accent-strong: #8A640D;
  --accent-soft: #CFA94F;  /* 亮金 光泽 */
  --dark: #1B3327;         /* 深绿 深色层 */
  --film: #3B3A33;         /* 胶卷底片色（深灰炭灰） */
  --radius: 12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  overflow-x: hidden; /* 禁止横向滚动/左右拖拽拉扯，只允许上下滚动 */
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* header */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.site-header::before { content: ''; display: block; height: 5px; background: linear-gradient(90deg, var(--accent-soft), var(--dark), var(--accent)); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding: 28px 20px; flex-wrap: wrap; gap: 14px; }
.brand { display: flex; align-items: center; gap: 18px; }
.brand-mark { font-size: 44px; color: var(--accent); line-height: 1; filter: drop-shadow(0 0 8px rgba(207,169,79,.45)); }
.brand-text { display: flex; flex-direction: row; align-items: center; gap: 20px; }
.brand-cn {
  margin: 0;
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-weight: 900;
  font-size: 30px;
  letter-spacing: 0.16em;
  color: var(--text);
  line-height: 1.12;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.brand-cn span { display: block; }
.brand-en {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
}
.tagline {
  margin: 6px 0 0;
  color: var(--text-dim);
  font-size: 15px;
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  letter-spacing: 2px;
}
.site-nav { display: flex; gap: 6px; align-items: center; }
.site-nav a { color: var(--text-dim); text-decoration: none; font-size: 14px; padding: 7px 13px; border-radius: 6px; font-family: 'Noto Serif SC', 'Songti SC', serif; }
.site-nav a:hover { color: var(--text); background: var(--card); }
.site-nav a.active { color: var(--accent); }

/* toolbar */
.toolbar { padding: 22px 0 8px; }
.search-row input {
  width: 100%; padding: 13px 16px; font-size: 16px; /* 16px：避免 iOS 输入时自动放大页面 */
  background: var(--card); color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius);
  outline: none;
}
.search-row input:focus { border-color: var(--accent); }

.filters { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.filter-group { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.filter-label { color: var(--text-dim); font-size: 12px; width: 40px; flex-shrink: 0; }
.filter-chips { display: flex; flex-wrap: wrap; gap: 8px; flex: 1; min-width: 0; max-width: 100%; }
.chip {
  background: var(--card); color: var(--text-dim);
  border: 1px solid var(--line); border-radius: 20px;
  padding: 6px 13px; font-size: 13px; cursor: pointer; transition: all .15s;
}
.chip:hover { color: var(--text); border-color: var(--text-dim); }
.chip-active { background: var(--accent); color: var(--dark); border-color: var(--accent-strong); font-weight: 600; }

.stats { margin-top: 16px; color: var(--text-dim); font-size: 13px; }

/* grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; padding: 20px 0 40px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px; cursor: pointer; transition: all .15s;
  display: flex; flex-direction: column; gap: 10px;
}
.card:hover { background: var(--card-hover); border-color: var(--text-dim); transform: translateY(-2px); }
.film-art { display: block; width: 100%; max-width: 168px; height: auto; margin: 0 auto; border-radius: 8px; background: var(--bg-soft); }
.modal-art { display: flex; justify-content: center; padding-bottom: 4px; }
.modal-art .film-art { max-width: 172px; }
.card-top { display: flex; justify-content: space-between; align-items: center; }
.card-brand { color: var(--accent); font-size: 13px; letter-spacing: .3px; }
.card-title { margin: 0; font-size: 19px; color: var(--film); }
.title-suffix { font-weight: inherit; color: inherit; margin-left: 2px; }
.card-meta { display: flex; flex-wrap: wrap; gap: 8px; color: var(--text-dim); font-size: 13px; }
.meta-item b { color: var(--text); }
.card-desc { margin: 0; font-size: 14px; color: var(--text-dim); display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden; }
.card-desc .desc-cn { font-size: 14px; }
.card-desc .desc-en { font-size: 12px; margin-top: 4px; }
.desc-en { display: block; font-style: italic; }
.desc-cn { display: block; }
.card-scenes { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }

.scene-chip { background: var(--bg-soft); color: var(--text-dim); font-size: 12px; padding: 3px 9px; border-radius: 12px; border: 1px solid var(--line); }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 10px; }
.badge-in { color: #2E5E46; background: rgba(46,94,70,.12); }
.badge-out { color: #A54E46; background: rgba(165,78,70,.12); }

.empty { text-align: center; color: var(--text-dim); padding: 60px 20px; }

/* 首页「胶片手记」 */
.journal { margin-top: 26px; padding: 4px 0 20px; }
.journal-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 4px; }
.journal-title { margin: 0; font-family: 'Noto Serif SC', 'Songti SC', serif; font-weight: 900; color: var(--film); font-size: 24px; letter-spacing: 2px; }
.journal-sub { margin: 4px 0 0; font-family: 'Playfair Display', Georgia, serif; font-style: italic; font-size: 12px; letter-spacing: 2px; color: var(--accent); text-transform: uppercase; }
.journal-more { color: var(--accent); font-size: 13px; text-decoration: none; letter-spacing: 1px; white-space: nowrap; }
.journal-more:hover { color: var(--accent-strong); }
.toolbar-filters { margin-top: 10px; }
.journal-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 18px; }
@media (max-width: 720px) { .journal-list { grid-template-columns: 1fr; } }
.j-item { display: flex; flex-direction: column; gap: 10px; padding: 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: inherit; transition: all .15s; }
.j-item:hover { border-color: var(--accent); transform: translateY(-2px); }
.j-item:hover .j-date { color: var(--accent); }
.j-media { width: 100%; height: 170px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.j-meta { display: flex; align-items: center; justify-content: space-between; }
.j-type { font-size: 11px; padding: 3px 10px; border-radius: 10px; color: #fff; }
.j-news { background: rgba(165, 78, 70, .9); }
.j-article { background: rgba(46, 94, 70, .9); }
.j-work { background: rgba(59, 58, 51, .85); }
.j-date { font-family: 'Playfair Display', Georgia, serif; color: var(--text-dim); font-size: 12px; letter-spacing: 1px; }
.j-body { display: flex; flex-direction: column; gap: 6px; }
.j-title { font-family: 'Noto Serif SC', 'Songti SC', serif; font-weight: 700; color: var(--text); font-size: 17px; line-height: 1.45; }
.j-excerpt { color: var(--text-dim); font-size: 13px; line-height: 1.65; }

/* 正文页（关于/免责声明/隐私） */
.page { padding: 26px 0 48px; max-width: 780px; }
.page h2 { font-family: 'Noto Serif SC', 'Songti SC', serif; font-weight: 900; color: var(--dark); margin: 6px 0 14px; letter-spacing: 1px; font-size: 26px; }
.page h3 { font-family: 'Noto Serif SC', 'Songti SC', serif; font-weight: 600; color: var(--text); margin: 24px 0 8px; font-size: 18px; }
.page p, .page li { color: var(--text-dim); font-size: 15px; line-height: 1.9; }
.page a { color: var(--accent); }

/* footer */
.site-footer { border-top: 1px solid var(--line); color: var(--text-dim); font-size: 13px; padding: 24px 0; }
.site-footer p { margin: 0; }

/* modal */
.modal { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(20,32,26,.62); }
.modal-card { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); max-width: 620px; width: 92%; max-height: 88vh; overflow: auto; padding: 26px; }
.modal-close { position: absolute; top: 12px; right: 14px; background: none; border: none; color: var(--text-dim); font-size: 26px; cursor: pointer; line-height: 1; }
.modal-close:hover { color: var(--text); }
.modal-head h2 { margin: 6px 0 0; font-size: 26px; color: var(--film); }
.modal-head .sub { margin: 2px 0 0; color: var(--text-dim); }
.modal-head .card-brand { font-size: 14px; }
.spec { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 18px; margin: 20px 0; }
.spec div { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.spec dt { color: var(--text-dim); font-size: 12px; }
.spec dd { margin: 3px 0 0; font-size: 15px; color: var(--text); }
.spec-block { margin-top: 18px; }
.spec-block h4 { margin: 0 0 6px; font-size: 14px; color: var(--accent); }
.spec-block p { margin: 0; font-size: 15px; color: var(--text); line-height: 1.7; }
.spec-block .usage-note { font-size: 13px; text-align: left; line-height: 1.8; color: var(--text-dim); }
.spec-block .desc-cn { font-size: 16px; color: var(--text); }
.spec-block .desc-en { font-style: italic; color: var(--text-dim); font-size: 13px; margin-top: 8px; }
.price-config { display: flex; align-items: stretch; border: 1px solid var(--line); border-radius: 12px; background: var(--card); margin-top: 10px; overflow: hidden; }
.price-cell { flex: 1; padding: 13px 16px; display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.price-cell + .price-cell { border-left: 1px solid var(--line); }
.price-label { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-dim); }
.price-fmtlist { display: flex; flex-direction: column; gap: 5px; }
.price-line { display: flex; align-items: baseline; gap: 8px; }
.price-fmt { font-size: 11px; color: var(--text-dim); min-width: 26px; }
.price-num { font-size: 15px; font-weight: 600; color: var(--text); font-family: 'Noto Serif SC', 'Songti SC', serif; line-height: 1.3; }
.price-hint { margin: 0 0 12px; font-size: 10px; letter-spacing: 1px; color: var(--text-dim); }
@media (max-width: 480px) { .price-cell { padding: 12px; } .price-num { font-size: 14px; } }
/* 分享/下载 */
.share-actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.share-btn { flex: 1; min-width: 96px; padding: 9px 10px; font-size: 13px; color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: 9px; cursor: pointer; transition: all .15s; }
.share-btn:hover { border-color: var(--accent); color: var(--accent); }
.share-btn-primary { background: var(--accent); color: #fff; border-color: var(--accent-strong); }
.share-btn-primary:hover { background: var(--accent-strong); }

/* 卡片长按保存 */
.card-save { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 120; }
.card-save[hidden] { display: none; }
.card-save-backdrop { position: absolute; inset: 0; background: rgba(18,28,23,.88); backdrop-filter: blur(2px); }
.card-save-body { position: relative; z-index: 1; max-width: 94vw; max-height: 92vh; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.card-save-body img { max-width: 94vw; max-height: 82vh; width: auto; height: auto; border-radius: 10px; box-shadow: 0 12px 50px rgba(0,0,0,.5); }
.card-save-hint { color: #F3EDE0; font-size: 13px; text-align: center; margin: 0; letter-spacing: 1px; }
.card-save-close { background: var(--card); border: 1px solid var(--line); color: var(--text); width: 34px; height: 34px; border-radius: 50%; font-size: 20px; line-height: 1; cursor: pointer; position: absolute; top: -10px; right: -10px; z-index: 2; }
.card-save-close:hover { color: var(--accent); border-color: var(--accent); }

/* 轻提示 */
.toast { position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%) translateY(20px); background: var(--dark); color: #F3EDE0; padding: 10px 18px; border-radius: 24px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; z-index: 200; box-shadow: 0 8px 24px rgba(0,0,0,.2); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.sample-grid { display: flex; flex-wrap: nowrap; overflow-x: auto; gap: 12px; margin-top: 10px; padding-bottom: 6px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.sample-grid::-webkit-scrollbar { display: none; }
.sample { margin: 0; flex-shrink: 0; }
.sample img { height: 250px; width: auto; display: block; border-radius: 8px; border: 1px solid var(--line); cursor: zoom-in; transition: transform .15s; max-width: none; }
.sample img:hover { transform: scale(1.02); }
.sample-credit { margin: 14px 0 0; font-size: 12px; font-family: 'Noto Serif SC', 'Songti SC', serif; color: var(--text-dim); letter-spacing: 1px; }
@media (max-width: 480px) { .sample img { height: 200px; } }

/* lightbox 放大查看 */
.lightbox { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 100; }
.lightbox[hidden] { display: none; }
.lightbox-backdrop { position: absolute; inset: 0; background: rgba(18,28,23,.85); backdrop-filter: blur(2px); }
.lightbox-body { position: relative; z-index: 1; max-width: 92vw; max-height: 88vh; }
.lightbox-body img { display: block; max-width: 92vw; max-height: 88vh; width: auto; height: auto; object-fit: contain; border-radius: 8px; box-shadow: 0 12px 50px rgba(0,0,0,.55); }
.lightbox-close { position: absolute; top: -8px; right: -8px; background: var(--card); border: 1px solid var(--line); color: var(--text); width: 34px; height: 34px; border-radius: 50%; font-size: 20px; line-height: 1; cursor: pointer; z-index: 2; }
.lightbox-close:hover { color: var(--accent); border-color: var(--accent); }

/* ============ 移动端适配 ============ */
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
}

@media (max-width: 720px) {
  .container { padding: 0 16px; }
  /* 头部：品牌在上、导航在下（导航横向可滑动） */
  .site-header .container { flex-direction: column; align-items: stretch; padding: 18px 16px; gap: 12px; }
  .brand { gap: 12px; }
  .brand-cn { font-size: 27px; }
  .brand-en { font-size: 12px; letter-spacing: 2px; }
  .site-nav { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; gap: 4px; padding-bottom: 2px; }
  .site-nav a { white-space: nowrap; padding: 9px 12px; }
  .search-row input { padding: 12px 14px; }
  /* 筛选：标签在上，chip 一行横向滑动（工整，不折行参差） */
  .filter-group { flex-direction: column; align-items: stretch; gap: 4px; }
  .filter-label { width: auto; }
  .filter-chips { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 4px; scrollbar-width: none; -webkit-mask-image: linear-gradient(to right, black 88%, transparent 100%); mask-image: linear-gradient(to right, black 88%, transparent 100%); }
  .filter-chips::-webkit-scrollbar { display: none; }
  .chip { flex-shrink: 0; white-space: nowrap; font-size: 12.5px; }
  .card { padding: 16px; }
  .chip { padding: 8px 14px; }
  .modal-card { padding: 20px; width: 96%; }
  .modal-head h2 { font-size: 22px; }
  .page h2 { font-size: 24px; }
  .page p, .page li { font-size: 14.5px; }
}

@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }
  .brand-cn { font-size: 24px; }
  .brand-en { font-size: 11px; letter-spacing: 1.5px; }
  .card-title { font-size: 19px; }
  .card-desc .desc-cn { font-size: 14px; }
  .card-desc .desc-en { font-size: 12px; }
  .filter-label { width: 34px; font-size: 11px; }
  .scene-chip { font-size: 11px; padding: 4px 8px; }
  .spec-block .desc-cn { font-size: 15px; }
  .spec-block .desc-en { font-size: 12px; }
  .stats { font-size: 12px; }
  .site-header::before { height: 4px; }
  .site-footer { font-size: 12px; }
}

/* 手机上的spec本来就要单列；大屏也吃掉移动端遗留的规则 */
@media (max-width: 620px) {
  .spec { grid-template-columns: 1fr; }
}