/* ==========================================================================
   欧小嘉 · 风电运维辅助系统   —— 清新绿色主题
   ========================================================================== */

:root {
  --oj-green:        #2E9E4F;
  --oj-green-dark:   #1F7F42;
  --oj-green-mid:    #5DBB3E;
  --oj-green-light:  #8FD045;
  --oj-green-soft:   #EAF6EC;
  --oj-green-soft-2: #F4FAF5;
  --oj-ink:          #16301F;
  --oj-text:         #2C3A31;
  --oj-muted:        #6E8377;
  --oj-line:         #E1EDE4;
  --oj-bg:           #F5F9F6;
  --oj-white:        #FFFFFF;
  --oj-radius:       16px;
  --oj-radius-sm:    10px;
  --oj-shadow:       0 2px 4px rgba(20,60,35,.04), 0 12px 28px -18px rgba(20,60,35,.22);
  --oj-shadow-hover: 0 4px 10px rgba(20,60,35,.06), 0 20px 38px -18px rgba(20,60,35,.30);
  --oj-gradient:     linear-gradient(135deg, var(--oj-green-light) 0%, var(--oj-green-mid) 45%, var(--oj-green) 100%);
}

* { -webkit-tap-highlight-color: transparent; }

body {
  background: var(--oj-bg);
  color: var(--oj-text);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--oj-green); text-decoration: none; }
a:hover { color: var(--oj-green-dark); }

.oj-main { flex: 1 1 auto; padding-bottom: 48px; }

/* ---------------------------------------------------------------- 导航 */
.oj-navbar {
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--oj-line);
  padding-top: .55rem;
  padding-bottom: .55rem;
}
.oj-brand-logo { width: 40px; height: 40px; }
.oj-brand-text { display: flex; flex-direction: column; line-height: 1.15; margin-left: .6rem; }
.oj-brand-text strong { font-size: 1.06rem; color: var(--oj-ink); letter-spacing: .5px; }
.oj-brand-text small { font-size: .72rem; color: var(--oj-muted); letter-spacing: .3px; }

.oj-navbar .nav-link {
  color: var(--oj-text);
  font-weight: 500;
  border-radius: var(--oj-radius-sm);
  padding: .45rem .85rem;
  transition: all .18s ease;
}
.oj-navbar .nav-link:hover { background: var(--oj-green-soft); color: var(--oj-green-dark); }
.oj-navbar .nav-link.active { background: var(--oj-green-soft); color: var(--oj-green-dark); font-weight: 600; }
.oj-navbar .navbar-toggler { border-color: var(--oj-line); }
.oj-navbar .navbar-toggler:focus { box-shadow: 0 0 0 .2rem rgba(46,158,79,.15); }

/* ---------------------------------------------------------------- 按钮 */
.oj-btn-primary,
.oj-btn-ghost,
.oj-btn-danger {
  border-radius: 999px;
  font-weight: 600;
  padding: .5rem 1.1rem;
  transition: all .18s ease;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  white-space: nowrap;
}
.oj-btn-primary { background: var(--oj-gradient); color: #fff; box-shadow: 0 6px 16px -8px rgba(46,158,79,.75); }
.oj-btn-primary:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 10px 22px -8px rgba(46,158,79,.8); }
.oj-btn-primary:disabled { opacity: .6; transform: none; }
.oj-btn-ghost { background: #fff; color: var(--oj-text); border-color: var(--oj-line); }
.oj-btn-ghost:hover { background: var(--oj-green-soft); color: var(--oj-green-dark); border-color: var(--oj-green-light); }
.oj-btn-danger { background: #fff; color: #C9403B; border-color: #F1D3D1; }
.oj-btn-danger:hover { background: #FDECEB; color: #A82F2B; border-color: #E9AFAC; }
.oj-btn-block { width: 100%; justify-content: center; }
.oj-btn-lg { padding: .7rem 1.5rem; font-size: 1rem; }

/* ---------------------------------------------------------------- 卡片/面板 */
.oj-card {
  background: var(--oj-white);
  border: 1px solid var(--oj-line);
  border-radius: var(--oj-radius);
  box-shadow: var(--oj-shadow);
}
.oj-panel { background: var(--oj-white); border: 1px solid var(--oj-line); border-radius: var(--oj-radius); box-shadow: var(--oj-shadow); overflow: hidden; }
.oj-panel-head {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--oj-line);
  display: flex; align-items: center; justify-content: space-between;
  gap: .75rem; flex-wrap: wrap;
  background: linear-gradient(180deg, #fff, var(--oj-green-soft-2));
}
.oj-panel-title { font-size: 1.02rem; font-weight: 700; color: var(--oj-ink); margin: 0; display: flex; align-items: center; gap: .5rem; }
.oj-panel-title i { color: var(--oj-green); }
.oj-panel-body { padding: 1.25rem; }

/* ---------------------------------------------------------------- 首页 Hero */
.oj-hero {
  background: var(--oj-gradient);
  border-radius: 0 0 28px 28px;
  color: #fff;
  padding: 46px 0 60px;
  position: relative;
  overflow: hidden;
}
.oj-hero::before,
.oj-hero::after {
  content: ""; position: absolute; border-radius: 50%; background: rgba(255,255,255,.13);
}
.oj-hero::before { width: 340px; height: 340px; right: -90px; top: -140px; }
.oj-hero::after  { width: 220px; height: 220px; right: 140px; bottom: -150px; background: rgba(255,255,255,.09); }
.oj-hero-inner { position: relative; z-index: 2; }
.oj-hero h1 { font-size: 1.85rem; font-weight: 700; margin: 0 0 .5rem; letter-spacing: 1px; }
.oj-hero p  { margin: 0; opacity: .92; font-size: .95rem; max-width: 620px; }
.oj-hero-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  background: rgba(255,255,255,.2); border: 1px solid rgba(255,255,255,.35);
  padding: .28rem .8rem; border-radius: 999px; font-size: .78rem; margin-bottom: 1rem;
}
.oj-hero-stats { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 26px; }
.oj-hero-stat b { display: block; font-size: 1.6rem; line-height: 1.2; font-weight: 700; }
.oj-hero-stat span { font-size: .8rem; opacity: .9; }

/* ---------------------------------------------------------------- 分类卡片 */
.oj-cate-grid { margin-top: -34px; position: relative; z-index: 3; }
.oj-cate-card {
  display: block; width: 100%; text-align: left;
  background: #fff; border: 1px solid var(--oj-line); border-radius: var(--oj-radius);
  padding: 1rem 1.05rem; height: 100%;
  box-shadow: var(--oj-shadow);
  transition: all .2s ease; cursor: pointer; position: relative; overflow: hidden;
}
.oj-cate-card:hover { transform: translateY(-3px); box-shadow: var(--oj-shadow-hover); border-color: var(--oj-green-light); }
.oj-cate-card.active { border-color: var(--oj-green); box-shadow: 0 0 0 3px rgba(46,158,79,.13), var(--oj-shadow-hover); }
.oj-cate-card.active::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--oj-gradient);
}
.oj-cate-icon {
  width: 42px; height: 42px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; margin-bottom: .7rem;
}
.oj-cate-name { font-weight: 700; color: var(--oj-ink); font-size: .96rem; margin-bottom: .15rem; }
.oj-cate-desc { font-size: .76rem; color: var(--oj-muted); line-height: 1.5; }
.oj-cate-count { font-size: .74rem; color: var(--oj-green-dark); font-weight: 600; margin-top: .5rem; display: inline-block; background: var(--oj-green-soft); padding: .1rem .55rem; border-radius: 999px; }

/* ---------------------------------------------------------------- 表格 */
.oj-table { margin: 0; --bs-table-bg: transparent; }
.oj-table thead th {
  background: var(--oj-green-soft-2);
  color: var(--oj-muted);
  font-size: .78rem; font-weight: 600; letter-spacing: .4px;
  border-bottom: 1px solid var(--oj-line);
  padding: .7rem 1rem; white-space: nowrap;
}
.oj-table tbody td { padding: .78rem 1rem; border-bottom: 1px solid #EEF5F0; vertical-align: middle; }
.oj-table tbody tr:last-child td { border-bottom: 0; }
.oj-table tbody tr:hover { background: var(--oj-green-soft-2); }
.oj-table .oj-file-name { display: flex; align-items: center; gap: .7rem; min-width: 0; }
.oj-file-icon { font-size: 1.5rem; line-height: 1; flex: 0 0 auto; }
.oj-file-title { font-weight: 600; color: var(--oj-ink); word-break: break-all; }
.oj-file-sub { font-size: .74rem; color: var(--oj-muted); }

.oj-empty { text-align: center; padding: 3rem 1rem; color: var(--oj-muted); }
.oj-empty i { font-size: 2.6rem; color: #CFE3D5; display: block; margin-bottom: .65rem; }

/* 表格内的操作按钮更紧凑，保证一行放得下 */
.oj-table td .btn { padding: .34rem .72rem; font-size: .82rem; gap: .25rem; }
.oj-table td .btn i { font-size: .95rem; }
.oj-table td .oj-act { display: inline-flex; gap: .35rem; flex-wrap: nowrap; }

/* ---------------------------------------------------------------- 面包屑 / 目录 */
.oj-crumb-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: .75rem; flex-wrap: wrap;
  padding: .72rem 1.25rem;
  background: var(--oj-green-soft-2);
  border-bottom: 1px solid var(--oj-line);
}
.oj-crumbs { display: flex; align-items: center; flex-wrap: wrap; gap: .3rem; font-size: .87rem; min-width: 0; }
.oj-crumbs a { display: inline-flex; align-items: center; gap: .3rem; color: var(--oj-muted); }
.oj-crumbs a:hover { color: var(--oj-green-dark); }
.oj-crumbs .sep { font-size: .66rem; color: #BFCEC5; }
.oj-crumbs .cur { display: inline-flex; align-items: center; gap: .35rem; font-weight: 700; color: var(--oj-ink); word-break: break-all; }
.oj-crumbs .cur i { color: var(--oj-green); }

.oj-folder-grid {
  display: grid; gap: .75rem;
  grid-template-columns: repeat(auto-fill, minmax(228px, 1fr));
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--oj-line);
}
.oj-folder-card {
  display: flex; align-items: center; gap: .7rem; min-width: 0;
  background: var(--oj-green-soft-2);
  border: 1px solid var(--oj-line);
  border-radius: var(--oj-radius-sm);
  padding: .7rem .85rem;
  color: inherit; transition: all .18s ease;
}
.oj-folder-card:hover {
  background: #fff; border-color: var(--oj-green-light);
  transform: translateY(-2px); box-shadow: var(--oj-shadow); color: inherit;
}
.oj-folder-card .oi {
  width: 38px; height: 38px; border-radius: 11px; flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; background: #fff; color: #E0A32E; border: 1px solid var(--oj-line);
}
.oj-folder-card:hover .oi { background: var(--oj-green-soft); }
.oj-folder-card .tx { display: flex; flex-direction: column; min-width: 0; flex: 1 1 auto; }
.oj-folder-card .nm { font-weight: 600; color: var(--oj-ink); font-size: .92rem; line-height: 1.35; word-break: break-all; }
.oj-folder-card .sub { font-size: .74rem; color: var(--oj-muted); }
.oj-folder-card .go { flex: 0 0 auto; color: #BFCEC5; font-size: .78rem; transition: transform .18s ease, color .18s ease; }
.oj-folder-card:hover .go { color: var(--oj-green); transform: translateX(2px); }

.oj-folder-ico { font-size: 1.4rem; line-height: 1; flex: 0 0 auto; color: #E0A32E; }
.oj-dir-link { display: inline-flex; align-items: center; gap: .25rem; color: var(--oj-muted); }
.oj-dir-link:hover { color: var(--oj-green-dark); }

/* 表单标签一行两端对齐（左侧标题 + 右侧快捷操作） */
.oj-label-row { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.oj-label-row a { font-size: .74rem; font-weight: 500; white-space: nowrap; }

/* 表格分组小标题（目录 / 文件之间） */
.oj-subhead {
  display: flex; align-items: center; gap: .4rem;
  padding: .5rem 1.25rem;
  background: var(--oj-green-soft-2);
  border-top: 1px solid var(--oj-line);
  border-bottom: 1px solid var(--oj-line);
  font-size: .76rem; font-weight: 600; color: var(--oj-muted); letter-spacing: .4px;
}
.oj-subhead i { color: var(--oj-green); }

/* ---------------------------------------------------------------- 表单 */
.oj-form-label { font-weight: 600; font-size: .87rem; color: var(--oj-ink); margin-bottom: .35rem; }
.oj-required::after { content: " *"; color: #D9534F; }
.form-control, .form-select {
  border-radius: var(--oj-radius-sm);
  border-color: var(--oj-line);
  padding: .55rem .85rem;
  font-size: .92rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--oj-green-light);
  box-shadow: 0 0 0 .2rem rgba(46,158,79,.12);
}
.form-control::placeholder { color: #A9BCB0; }

.oj-form-card { max-width: 880px; margin: 0 auto; }
.oj-form-hero {
  border-radius: var(--oj-radius) var(--oj-radius) 0 0;
  padding: 1.3rem 1.5rem; color: #fff;
  display: flex; align-items: center; gap: 1rem;
}
.oj-form-hero .oi {
  width: 46px; height: 46px; border-radius: 13px; background: rgba(255,255,255,.22);
  display: flex; align-items: center; justify-content: center; font-size: 1.35rem; flex: 0 0 auto;
}
.oj-form-hero h2 { font-size: 1.15rem; margin: 0; font-weight: 700; }
.oj-form-hero p { margin: .15rem 0 0; font-size: .8rem; opacity: .9; }

/* ---------------------------------------------------------------- 表单中心入口卡 */
.oj-entry-card {
  display: block; height: 100%; background: #fff;
  border: 1px solid var(--oj-line); border-radius: var(--oj-radius);
  padding: 1.35rem 1.2rem; box-shadow: var(--oj-shadow);
  transition: all .2s ease; position: relative; overflow: hidden;
}
.oj-entry-card:hover { transform: translateY(-4px); box-shadow: var(--oj-shadow-hover); border-color: var(--oj-green-light); }
.oj-entry-card .oi {
  width: 48px; height: 48px; border-radius: 14px; color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: .9rem;
}
.oj-entry-card h3 { font-size: 1rem; font-weight: 700; color: var(--oj-ink); margin-bottom: .3rem; }
.oj-entry-card p { font-size: .8rem; color: var(--oj-muted); margin-bottom: .9rem; min-height: 2.4em; }
.oj-entry-card .go { font-size: .83rem; font-weight: 600; color: var(--oj-green); }
.oj-entry-card:hover .go .bi { transform: translateX(3px); display: inline-block; transition: transform .2s; }

/* ---------------------------------------------------------------- 统计卡 */
.oj-stat {
  background: #fff; border: 1px solid var(--oj-line); border-radius: var(--oj-radius);
  padding: 1.05rem 1.15rem; box-shadow: var(--oj-shadow); height: 100%;
}
.oj-stat .lb { font-size: .78rem; color: var(--oj-muted); display: flex; align-items: center; gap: .35rem; margin-bottom: .45rem; }
.oj-stat .vl { font-size: 1.6rem; font-weight: 700; color: var(--oj-ink); line-height: 1.1; }
.oj-stat .sub { font-size: .73rem; color: var(--oj-muted); margin-top: .25rem; }

/* ---------------------------------------------------------------- 提示条 */
.oj-alert { border-radius: var(--oj-radius-sm); border: 1px solid transparent; font-size: .9rem; display: flex; align-items: center; gap: .55rem; }
.oj-alert-ok { background: var(--oj-green-soft); border-color: #CBE7D4; color: #1F7F42; }
.oj-alert-error { background: #FDECEB; border-color: #F3CFCD; color: #B02F2B; }
.oj-alert .btn-close { margin-left: auto; }

/* ---------------------------------------------------------------- 登录页 */
.oj-login-wrap { min-height: calc(100vh - 2px); display: flex; align-items: center; justify-content: center; padding: 40px 16px; }
.oj-login-card { width: 100%; max-width: 400px; background: #fff; border-radius: 20px; box-shadow: 0 24px 60px -28px rgba(20,60,35,.45); overflow: hidden; border: 1px solid var(--oj-line); }
.oj-login-head { background: var(--oj-gradient); color: #fff; padding: 34px 26px 32px; text-align: center; }
.oj-login-head img {
  width: 78px; height: 78px; margin-bottom: .7rem;
  background: #fff; padding: 8px; border-radius: 22px;
  box-shadow: 0 12px 26px -12px rgba(0, 40, 15, .55);
}
.oj-login-head h1 { font-size: 1.16rem; font-weight: 700; margin: 0; letter-spacing: 1px; }
.oj-login-body { padding: 26px; }
.oj-login-tip { font-size: .76rem; color: var(--oj-muted); text-align: center; margin-top: 1rem; }

/* ---------------------------------------------------------------- 分页 */
.oj-pager { display: flex; gap: .35rem; flex-wrap: wrap; justify-content: center; padding: 1rem; }
.oj-pager a, .oj-pager span {
  min-width: 34px; height: 34px; padding: 0 .6rem; border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--oj-line); background: #fff; color: var(--oj-text); font-size: .85rem;
}
.oj-pager a:hover { border-color: var(--oj-green-light); background: var(--oj-green-soft); }
.oj-pager .cur { background: var(--oj-gradient); color: #fff; border-color: transparent; font-weight: 600; }
.oj-pager .dis { color: #BFCEC5; background: #FAFCFA; }

/* ---------------------------------------------------------------- 页脚 */
.oj-footer { background: #fff; border-top: 1px solid var(--oj-line); padding: 20px 0; font-size: .82rem; color: var(--oj-muted); }
.oj-footer-brand { display: flex; align-items: center; gap: .5rem; }
.oj-footer-brand img { width: 26px; height: 26px; }
.oj-footer-meta a { font-weight: 500; }

/* ---------------------------------------------------------------- 徽标 */
.oj-tag { display: inline-block; font-size: .73rem; padding: .16rem .6rem; border-radius: 999px; background: var(--oj-green-soft); color: var(--oj-green-dark); font-weight: 600; white-space: nowrap; }
.oj-tag-gray { background: #F0F3F1; color: #64766B; }

/* ---------------------------------------------------------------- 详情表 */
.oj-detail-row { padding: .85rem 0; border-bottom: 1px dashed var(--oj-line); }
.oj-detail-row:last-child { border-bottom: 0; }
.oj-detail-label { font-size: .78rem; color: var(--oj-muted); margin-bottom: .25rem; }
.oj-detail-value { font-size: .95rem; color: var(--oj-ink); white-space: pre-wrap; word-break: break-word; }

/* ---------------------------------------------------------------- 后台导航胶囊 */
.oj-admin-tabs { gap: .4rem; flex-wrap: wrap; border-bottom: 1px solid var(--oj-line); padding-bottom: .85rem; }
.oj-admin-tabs .nav-link {
  color: var(--oj-text); background: #fff; border: 1px solid var(--oj-line);
  border-radius: 999px; font-size: .88rem; font-weight: 500; padding: .42rem 1rem;
  display: inline-flex; align-items: center; gap: .35rem;
}
.oj-admin-tabs .nav-link:hover { background: var(--oj-green-soft); color: var(--oj-green-dark); border-color: var(--oj-green-light); }
.oj-admin-tabs .nav-link.active { background: var(--oj-gradient); color: #fff; border-color: transparent; box-shadow: 0 6px 14px -8px rgba(46,158,79,.8); }

/* ---------------------------------------------------------------- 打印 */
@media print {
  .oj-navbar, .oj-footer, .oj-admin-tabs, .btn, .breadcrumb, .oj-crumb-bar, .oj-folder-grid { display: none !important; }
  body { background: #fff; }
  .oj-panel, .oj-card { box-shadow: none; border-color: #ccc; }
  .oj-main { padding-bottom: 0; }
}

/* ---------------------------------------------------------------- 移动端适配 */
@media (max-width: 767.98px) {
  body { font-size: 14.5px; }
  .oj-hero { padding: 30px 0 48px; border-radius: 0 0 22px 22px; }
  .oj-hero h1 { font-size: 1.34rem; }
  .oj-hero p { font-size: .85rem; }
  .oj-hero-stats { gap: 18px; }
  .oj-hero-stat b { font-size: 1.3rem; }
  .oj-cate-grid { margin-top: -26px; }
  .oj-cate-card { padding: .85rem .9rem; }
  .oj-cate-icon { width: 36px; height: 36px; font-size: 1rem; margin-bottom: .5rem; }
  .oj-navbar .nav-link { padding: .55rem .75rem; }
  .oj-navbar .nav-item.ms-lg-2 { margin-top: .5rem; }
  .oj-panel-body, .oj-panel-head { padding: 1rem; }
  .oj-table thead th, .oj-table tbody td { padding: .65rem .7rem; }
  .oj-file-icon { font-size: 1.25rem; }
  .oj-form-hero { padding: 1.05rem 1.1rem; }
  .oj-login-body { padding: 20px; }
  .oj-crumb-bar { padding: .65rem 1rem; }
  .oj-folder-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 1rem; gap: .6rem; }
  .oj-folder-card { padding: .6rem .7rem; gap: .55rem; }
  .oj-folder-card .oi { width: 32px; height: 32px; font-size: 1rem; border-radius: 9px; }
  .oj-folder-card .nm { font-size: .85rem; }
  .oj-folder-card .go { display: none; }
}

@media (min-width: 768px) and (max-width: 991.98px) {
  .oj-hero { padding: 38px 0 54px; }
}

/* ==========================================================================
   文件预览页（preview.php）—— 手机优先
   ========================================================================== */
.oj-pv-body {
  background: #EEF3EF;
  display: block;
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom);
}

/* ---- 顶部操作条 ---- */
.oj-pv-bar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: .6rem;
  padding: .55rem .7rem;
  padding-top: calc(.55rem + env(safe-area-inset-top));
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--oj-line);
}
.oj-pv-back {
  flex: 0 0 auto; width: 38px; height: 38px; border-radius: 11px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--oj-green-soft); color: var(--oj-green-dark);
  font-size: 1.05rem;
}
.oj-pv-back:hover { background: var(--oj-green-light); color: #fff; }
.oj-pv-meta { flex: 1 1 auto; min-width: 0; }
.oj-pv-name {
  font-weight: 600; color: var(--oj-ink); font-size: .92rem; line-height: 1.3;
  display: flex; align-items: center; gap: .3rem;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.oj-pv-name i { flex: 0 0 auto; }
.oj-pv-sub {
  font-size: .7rem; color: var(--oj-muted); margin-top: .1rem;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.oj-pv-dl {
  flex: 0 0 auto; height: 38px; padding: 0 .85rem; border-radius: 999px;
  display: inline-flex; align-items: center; gap: .3rem;
  background: var(--oj-gradient); color: #fff; font-weight: 600; font-size: .82rem;
  box-shadow: 0 6px 16px -10px rgba(46,158,79,.9);
}
.oj-pv-dl:hover { color: #fff; }

/* ---- 内容区 ---- */
.oj-pv-main { padding: 0; }

.oj-pv-tip {
  text-align: center; font-size: .74rem; color: var(--oj-muted);
  padding: .6rem 1rem 1.2rem;
}
.oj-pv-tip i { color: var(--oj-green); margin-right: .2rem; }

/* ---- 图片 ---- */
.oj-pv-imgwrap {
  padding: .75rem;
  display: block;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  max-height: calc(100vh - 130px);
}
.oj-pv-imgwrap img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: var(--oj-radius-sm);
  box-shadow: var(--oj-shadow);
  background: #fff;
  cursor: zoom-in;
}
.oj-pv-imgwrap.is-zoomed img {
  max-width: none;
  width: auto;
  cursor: zoom-out;
}

/* ---- 视频 ---- */
.oj-pv-videowrap {
  padding: .75rem;
  display: flex; align-items: center; justify-content: center;
}
.oj-pv-videowrap video {
  width: 100%; max-width: 960px; max-height: calc(100vh - 150px);
  background: #000; border-radius: var(--oj-radius-sm);
  box-shadow: var(--oj-shadow);
  display: block;
}

/* ---- PDF ---- */
.oj-pv-toolbar {
  position: sticky; top: 52px; z-index: 15;
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
  padding: .45rem .75rem;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--oj-line);
}
.oj-pv-count { font-size: .76rem; color: var(--oj-muted); }
.oj-pv-btn {
  border: 1px solid var(--oj-line); background: #fff; color: var(--oj-text);
  border-radius: 999px; font-size: .76rem; padding: .28rem .75rem;
}
.oj-pv-btn:hover { background: var(--oj-green-soft); border-color: var(--oj-green-light); }
.oj-pv-pdf { padding: .75rem; }
.oj-pv-page {
  margin: 0 auto .85rem;
  max-width: 900px;
  background: #fff;
  border-radius: 6px;
  box-shadow: var(--oj-shadow);
  overflow: hidden;
}
.oj-pv-page-holder { position: relative; width: 100%; }
.oj-pv-canvas {
  display: block;
  position: absolute; left: 0; top: 0;
}

/* ---- 表格 ---- */
.oj-pv-sheetbar {
  position: sticky; top: 52px; z-index: 15;
  display: flex; gap: .35rem; overflow-x: auto; -webkit-overflow-scrolling: touch;
  padding: .5rem .75rem;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--oj-line);
}
.oj-pv-sheetbar::-webkit-scrollbar { display: none; }
.oj-pv-tab {
  flex: 0 0 auto;
  border: 1px solid var(--oj-line); background: #fff; color: var(--oj-text);
  border-radius: 999px; font-size: .78rem; padding: .3rem .85rem; white-space: nowrap;
}
.oj-pv-tab.active { background: var(--oj-gradient); color: #fff; border-color: transparent; font-weight: 600; }

.oj-pv-sheetwrap { padding: .75rem; }
.oj-pv-scroll {
  overflow: auto; -webkit-overflow-scrolling: touch;
  max-height: calc(100vh - 180px);
  background: #fff; border: 1px solid var(--oj-line);
  border-radius: var(--oj-radius-sm); box-shadow: var(--oj-shadow);
}
.oj-pv-table { border-collapse: separate; border-spacing: 0; font-size: .82rem; min-width: 100%; }
.oj-pv-table th, .oj-pv-table td {
  border-right: 1px solid #EDF3EF; border-bottom: 1px solid #EDF3EF;
  padding: .42rem .6rem; text-align: left; white-space: nowrap;
  max-width: 320px; overflow: hidden; text-overflow: ellipsis;
}
.oj-pv-table thead th {
  position: sticky; top: 0; z-index: 2;
  background: var(--oj-green-soft); color: var(--oj-green-dark);
  font-weight: 700; font-size: .76rem; letter-spacing: .3px;
}
.oj-pv-table th.idx, .oj-pv-table td.idx {
  position: sticky; left: 0; z-index: 1;
  background: #F7FBF8; color: var(--oj-muted);
  font-size: .74rem; text-align: center; min-width: 42px;
}
.oj-pv-table thead th.idx { z-index: 3; }
.oj-pv-table tbody tr:nth-child(even) td { background: #FCFEFD; }
.oj-pv-table tbody tr:nth-child(even) td.idx { background: #F4F9F6; }
.oj-pv-note {
  margin-top: .6rem; font-size: .74rem; color: #8A6207;
  background: #FFF8E6; border: 1px solid #F0E0B0; border-radius: 8px; padding: .5rem .75rem;
}
.oj-pv-empty { padding: 2rem 1rem; text-align: center; color: var(--oj-muted); font-size: .85rem; }

/* ---- Word ---- */
.oj-pv-doc {
  max-width: 820px; margin: .75rem auto; padding: 1.6rem 1.4rem 2.4rem;
  background: #fff; border-radius: var(--oj-radius); box-shadow: var(--oj-shadow);
  color: var(--oj-text); font-size: .92rem; line-height: 1.85;
  word-break: break-word;
}
.oj-pv-doc h1 { font-size: 1.35rem; margin: 0 0 .8rem; color: var(--oj-ink); }
.oj-pv-doc h2 { font-size: 1.15rem; margin: 1.3rem 0 .6rem; color: var(--oj-ink); }
.oj-pv-doc h3 { font-size: 1.02rem; margin: 1.1rem 0 .5rem; color: var(--oj-ink); }
.oj-pv-doc p { margin: 0 0 .75rem; }
.oj-pv-doc ul, .oj-pv-doc ol { padding-left: 1.4rem; margin: 0 0 .85rem; }
.oj-pv-doc li { margin-bottom: .25rem; }
.oj-pv-doc table { width: 100%; border-collapse: collapse; margin: .6rem 0 1rem; font-size: .85rem; }
.oj-pv-doc td, .oj-pv-doc th { border: 1px solid var(--oj-line); padding: .4rem .55rem; }
.oj-pv-doc img { max-width: 100%; height: auto; }
.oj-pv-doc strong { color: var(--oj-ink); }

/* ---- 载入中 / 出错 ---- */
.oj-pv-status {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .7rem; padding: 3rem 1.5rem; color: var(--oj-muted); font-size: .85rem;
  text-align: center; min-height: 42vh;
}
.oj-pv-spinner {
  width: 30px; height: 30px; border-radius: 50%;
  border: 3px solid var(--oj-line); border-top-color: var(--oj-green);
  animation: oj-spin .8s linear infinite;
}
@keyframes oj-spin { to { transform: rotate(360deg); } }

.oj-pv-err { display: flex; flex-direction: column; align-items: center; gap: .5rem; }
.oj-pv-err i { font-size: 2.4rem; color: #D99A1F; }
.oj-pv-err .t { font-weight: 700; color: var(--oj-ink); margin: 0; font-size: .95rem; }
.oj-pv-err .d { font-size: .8rem; margin: 0 0 .6rem; max-width: 340px; }

/* ---- 不可预览的兜底页 ---- */
.oj-pv-fallback {
  min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 2.5rem 1.4rem;
}
.oj-pv-fname { word-break: break-all; max-width: 90vw; }
.oj-pv-fallback-btns {
  display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center; margin-top: 1.4rem;
}

/* ---- 小屏微调 ---- */
@media (max-width: 575.98px) {
  .oj-pv-dl span { display: none; }
  .oj-pv-dl { width: 38px; padding: 0; justify-content: center; }
  .oj-pv-imgwrap { padding: .5rem; max-height: calc(100vh - 118px); }
  .oj-pv-videowrap { padding: .5rem; }
  .oj-pv-videowrap video { max-height: calc(100vh - 140px); }
  .oj-pv-sheetwrap { padding: .5rem; }
  .oj-pv-scroll { max-height: calc(100vh - 165px); }
  .oj-pv-table { font-size: .78rem; }
  .oj-pv-table th, .oj-pv-table td { padding: .36rem .5rem; max-width: 180px; }
  .oj-pv-doc { margin: .5rem; padding: 1.15rem 1rem 1.8rem; font-size: .88rem; }
  .oj-pv-pdf { padding: .5rem; }
  .oj-pv-toolbar, .oj-pv-sheetbar { top: 50px; }
}

/* 横屏手机：内容区高度更宝贵 */
@media (max-height: 500px) and (orientation: landscape) {
  .oj-pv-imgwrap { max-height: calc(100vh - 100px); }
  .oj-pv-videowrap video { max-height: calc(100vh - 110px); }
  .oj-pv-scroll { max-height: calc(100vh - 130px); }
}

/* ==========================================================================
   预览扩展：纯文本 / 老式 .doc 文本、压缩包清单
   ========================================================================== */

/* ---- 文本类预览 ---- */
.oj-pv-textwrap { padding: .75rem; }
.oj-pv-notice {
  display: flex; align-items: flex-start; gap: .45rem;
  background: #FFF8E6; border: 1px solid #F0E0B0; color: #7A5A12;
  border-radius: var(--oj-radius-sm); padding: .6rem .75rem;
  font-size: .8rem; line-height: 1.55; margin-bottom: .75rem;
}
.oj-pv-notice i { flex: 0 0 auto; margin-top: .12rem; }
.oj-pv-text {
  margin: 0; padding: 1rem 1.1rem;
  background: #fff; border: 1px solid var(--oj-line);
  border-radius: var(--oj-radius-sm); box-shadow: var(--oj-shadow);
  font-family: Consolas, Menlo, "Courier New", monospace;
  font-size: .82rem; line-height: 1.75; color: var(--oj-text);
  white-space: pre-wrap; word-break: break-word; overflow-wrap: anywhere;
  max-height: calc(100vh - 210px); overflow: auto;
}

/* ---- 压缩包清单 ---- */
.oj-arc-head {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .35rem .9rem;
  padding: .75rem .9rem .15rem; font-size: .82rem; color: var(--oj-muted);
}
.oj-arc-head b { color: var(--oj-ink); }
.oj-arc-note { color: #B4761A; }
.oj-arc-wrap { padding: .55rem .75rem 1.2rem; }
.oj-arc-scroll { max-height: calc(100vh - 210px); }
.oj-arc-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: .82rem; }
.oj-arc-table th, .oj-arc-table td {
  padding: .5rem .6rem; border-bottom: 1px solid #EDF3EF; text-align: left; vertical-align: middle;
}
.oj-arc-table thead th {
  position: sticky; top: 0; z-index: 2;
  background: #F4F9F6; color: var(--oj-ink); font-weight: 600;
  font-size: .76rem; white-space: nowrap;
}
.oj-arc-table tbody tr:hover td { background: var(--oj-green-soft-2); }
.oj-arc-table tbody tr:last-child td { border-bottom: 0; }
.oj-arc-table tr.is-dir td { color: var(--oj-muted); }
.oj-arc-table th.idx, .oj-arc-table td.idx {
  width: 40px; text-align: right; color: var(--oj-muted); font-size: .74rem;
}
.oj-arc-table td.nm { word-break: break-all; overflow-wrap: anywhere; }
.oj-arc-table td.nm i { margin-right: .35rem; }
.oj-arc-table th.sz, .oj-arc-table td.sz { width: 80px; white-space: nowrap; color: var(--oj-muted); }
.oj-arc-table th.dt, .oj-arc-table td.dt { width: 108px; white-space: nowrap; color: var(--oj-muted); }
.oj-arc-table th.op, .oj-arc-table td.op { width: 138px; white-space: nowrap; }
.oj-arc-btn {
  display: inline-flex; align-items: center; gap: .15rem;
  font-size: .75rem; padding: .2rem .45rem; margin-right: .25rem;
  border: 1px solid var(--oj-line); border-radius: 8px;
  color: var(--oj-green-dark); background: #fff;
}
.oj-arc-btn:hover { background: var(--oj-green-soft); border-color: var(--oj-green-light); color: var(--oj-green-dark); }
.oj-arc-empty { text-align: center !important; color: var(--oj-muted); padding: 2rem 1rem !important; }

@media (max-width: 575.98px) {
  .oj-pv-textwrap { padding: .5rem; }
  .oj-pv-text { font-size: .78rem; padding: .85rem .9rem; max-height: none; }
  .oj-arc-wrap { padding: .5rem; }
  .oj-arc-head { padding: .6rem .6rem .1rem; }
  .oj-arc-scroll { max-height: calc(100vh - 200px); }
  .oj-arc-table th, .oj-arc-table td { padding: .45rem .42rem; }
  .oj-arc-table th.dt, .oj-arc-table td.dt { display: none; }
  .oj-arc-table th.sz, .oj-arc-table td.sz { width: 62px; font-size: .74rem; }
  .oj-arc-table th.op, .oj-arc-table td.op { width: auto; }
  .oj-arc-btn { padding: .18rem .38rem; margin-right: .15rem; }
}