/* ============================================================
   资料分享站 - 设计系统
   响应式 + 明暗双主题（CSS 变量）
   ============================================================ */

:root {
  --bg: #f6f7fb;
  --bg-card: #ffffff;
  --bg-soft: #eef0f6;
  --bg-nav: rgba(255, 255, 255, 0.85);
  --text: #1c2333;
  --text-2: #5a6478;
  --text-3: #97a0b5;
  --border: #e5e8f0;
  --primary: #4f6ef7;
  --primary-2: #3b57e0;
  --primary-soft: rgba(79, 110, 247, 0.1);
  --danger: #e5484d;
  --success: #2fae6e;
  --warn: #e8902d;
  --shadow: 0 1px 3px rgba(28, 35, 51, 0.06), 0 4px 16px rgba(28, 35, 51, 0.05);
  --radius: 14px;
  --nav-h: 60px;
}

[data-theme="dark"] {
  --bg: #10141c;
  --bg-card: #1a1f2b;
  --bg-soft: #222838;
  --bg-nav: rgba(16, 20, 28, 0.85);
  --text: #e7eaf3;
  --text-2: #a3abbe;
  --text-3: #6b7389;
  --border: #2b3245;
  --primary: #6d88ff;
  --primary-2: #8ba0ff;
  --primary-soft: rgba(109, 136, 255, 0.15);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.25);
}

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

html { -webkit-text-size-adjust: 100%; }

/* 移动端触控与防横向溢出 */
html, body { overflow-x: clip; }
body { -webkit-tap-highlight-color: transparent; }
button, select, textarea { touch-action: manipulation; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  transition: background .25s, color .25s;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-2); }
img { max-width: 100%; }
button { font-family: inherit; }

/* ===== 导航 ===== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg-nav);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 20px;
  height: 100%; display: flex; align-items: center; gap: 18px;
}
.logo { font-size: 19px; font-weight: 800; color: var(--text); display: flex; align-items: center; gap: 8px; }
.logo-mark { font-size: 22px; }
.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-link {
  color: var(--text-2); padding: 7px 13px; border-radius: 9px; font-weight: 500; position: relative;
}
.nav-link:hover { color: var(--text); background: var(--bg-soft); }
.nav-link.active { color: var(--primary); background: var(--primary-soft); }
.nav-badge {
  position: absolute; top: 1px; right: 1px; min-width: 17px; height: 17px; padding: 0 4px;
  background: var(--danger); color: #fff; border-radius: 9px; font-size: 11px; line-height: 17px; text-align: center;
}
.nav-right { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.icon-btn {
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text);
  width: 36px; height: 36px; border-radius: 9px; cursor: pointer; font-size: 16px;
  display: inline-flex; align-items: center; justify-content: center;
}
.icon-btn:hover { border-color: var(--primary); }
/* 移动端汉堡按钮与抽屉菜单 */
.nav-toggle { display: none; transition: transform .2s; }
.nav-toggle.open { transform: rotate(90deg); }
.nav-drawer {
  display: none;
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 10px 14px calc(16px + env(safe-area-inset-bottom));
  flex-direction: column;
  z-index: 98;
}
.nav-drawer.open { display: flex; animation: drawerIn .22s ease; }
@keyframes drawerIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.nav-drawer .nav-link { padding: 13px 12px; border-radius: 10px; font-size: 15px; }
.nav-drawer .nav-link + .nav-link { border-top: 1px solid var(--border); border-radius: 0; }
.nav-drawer .nav-badge { position: static; margin-left: 8px; display: inline-block; }
.nav-drawer-login { margin-top: 10px; }
/* 抽屉遮罩（点击关闭 + 压暗背景） */
.nav-overlay {
  display: none; position: fixed; inset: 0; z-index: 97;
  background: rgba(10, 13, 20, .45);
}
.nav-overlay.show { display: block; }
body.nav-lock { overflow: hidden; }

/* ===== 通用 ===== */
#main { min-height: calc(100vh - var(--nav-h) - 80px); }
.page { max-width: 1200px; margin: 0 auto; padding: 24px 20px 60px; }
.layout { max-width: 1200px; margin: 0 auto; padding: 20px; display: grid; grid-template-columns: 230px 1fr; gap: 24px; }

.panel {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow); margin-bottom: 16px;
}
.panel h3 { font-size: 16px; margin-bottom: 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 5px;
  padding: 9px 18px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text); font-size: 14px; font-weight: 500;
  cursor: pointer; transition: all .18s; white-space: nowrap;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-2); color: #fff; }
.btn-danger { color: var(--danger); }
.btn-danger:hover { border-color: var(--danger); color: var(--danger); background: rgba(229, 72, 77, .06); }
.btn-ok { color: var(--success); }
.btn-ok:hover { border-color: var(--success); color: var(--success); }
.btn-small { padding: 5px 12px; font-size: 13px; border-radius: 8px; }
.btn-block { width: 100%; }
.btn-edit { color: var(--primary); }

.chip {
  display: inline-flex; align-items: center; gap: 3px;
  padding: 2px 9px; border-radius: 20px; font-size: 12px;
  background: var(--bg-soft); color: var(--text-2); white-space: nowrap;
}
.chip-code { background: var(--primary-soft); color: var(--primary); cursor: pointer; font-family: monospace; font-size: 13px; }
.chip-code:hover { background: var(--primary); color: #fff; }
.chip-user { background: var(--primary-soft); color: var(--primary); }
.chip-featured { background: rgba(232, 144, 45, .14); color: var(--warn); }
.chip-sharer { background: rgba(47, 174, 110, .14); color: var(--success); }
.chip-ok { background: rgba(47, 174, 110, .14); color: var(--success); }
.chip-warn { background: rgba(232, 144, 45, .14); color: var(--warn); }
.chip-danger { background: rgba(229, 72, 77, .14); color: var(--danger); }
.st-ok { background: rgba(47, 174, 110, .14); color: var(--success); }
.st-dead { background: rgba(229, 72, 77, .14); color: var(--danger); }
.st-blocked { background: rgba(232, 144, 45, .14); color: var(--warn); }
.st-expired { background: rgba(229, 72, 77, .14); color: var(--danger); }
.st-unknown { background: var(--bg-soft); color: var(--text-3); }

.muted { color: var(--text-3); font-size: 13px; }
.empty { text-align: center; color: var(--text-3); padding: 48px 16px; line-height: 2.2; }
.section-head { display: flex; align-items: center; justify-content: space-between; margin: 26px 0 14px; }
.section-head h2 { font-size: 19px; }
.more { font-size: 13px; color: var(--text-3); }
.more:hover { color: var(--primary); }

/* ===== 首页 Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--primary-soft), transparent 60%), var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 56px 20px 44px;
}
.hero-inner { max-width: 780px; margin: 0 auto; text-align: center; }
.hero h1 { font-size: 34px; margin-bottom: 8px; letter-spacing: .5px; }
.hero p { color: var(--text-2); margin-bottom: 26px; }
.hero-search { display: flex; gap: 10px; max-width: 620px; margin: 0 auto 18px; }
.hero-search input {
  flex: 1; padding: 13px 18px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text); font-size: 15px; outline: none;
}
.hero-search input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.hero-search .btn { padding: 13px 28px; border-radius: 12px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }

.tag-link {
  color: var(--text-2); background: var(--bg-card); border: 1px solid var(--border);
  padding: 4px 12px; border-radius: 20px; font-size: 13px;
}
.tag-link:hover { color: var(--primary); border-color: var(--primary); }

/* ===== 侧栏分类 ===== */
.sidebar .cat-group { margin-bottom: 6px; }
.sidebar h3 { font-size: 14px; color: var(--text-2); margin-bottom: 12px; }
.cat-main {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 10px; border-radius: 9px; color: var(--text); font-weight: 600; font-size: 14px;
}
.cat-main:hover { background: var(--primary-soft); color: var(--primary); }
.cat-count { font-size: 12px; color: var(--text-3); font-weight: 400; }
.cat-sub { padding: 0 10px 8px 24px; display: flex; flex-direction: column; gap: 2px; }
.cat-sub a { color: var(--text-2); font-size: 13px; padding: 3px 8px; border-radius: 7px; }
.cat-sub a:hover { color: var(--primary); background: var(--primary-soft); }

/* ===== 卡片 ===== */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); transition: transform .18s, box-shadow .18s; color: var(--text);
}
.card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(28, 35, 51, .1); color: var(--text); }
.card-thumb { height: 120px; object-fit: cover; background: var(--bg-soft); width: 100%; }
.card-thumb-fallback {
  display: flex; align-items: center; justify-content: center;
  height: 120px; font-size: 15px; font-weight: 800; letter-spacing: 2px; color: var(--primary);
  background: linear-gradient(135deg, var(--primary-soft), var(--bg-soft));
}
.card-body { padding: 13px 15px 15px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-title { font-size: 15px; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-desc { font-size: 13px; color: var(--text-3); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { display: flex; flex-wrap: wrap; gap: 5px; }
.card-stats { display: flex; gap: 12px; font-size: 12px; color: var(--text-3); margin-top: auto; }
.card-time { margin-left: auto; }

/* 骨架屏 */
.skeleton { background: linear-gradient(90deg, var(--bg-soft) 25%, var(--border) 50%, var(--bg-soft) 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: 8px; }
@keyframes shimmer { to { background-position: -200% 0; } }
.skeleton-card { padding: 0; }
.skeleton.block { height: 120px; border-radius: 0; }
.skeleton.line { height: 14px; margin: 8px 15px 0; }
.w80 { width: 80%; } .w60 { width: 60%; } .w40 { width: 40%; }

/* ===== 列表页工具栏 ===== */
.list-toolbar {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; display: flex; flex-direction: column; gap: 12px; margin-bottom: 18px;
}
.toolbar-search { display: flex; gap: 10px; }
.toolbar-search input { flex: 1; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); color: var(--text); outline: none; }
.toolbar-search input:focus { border-color: var(--primary); }
.toolbar-filters { display: flex; gap: 10px; flex-wrap: wrap; }
.toolbar-filters select {
  padding: 8px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg-card); color: var(--text); font-size: 13px;
}
.search-tip { margin-bottom: 14px; color: var(--text-2); }

/* ===== 详情页 ===== */
.breadcrumb { font-size: 13px; color: var(--text-3); margin-bottom: 14px; }
.detail-head { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); margin-bottom: 16px; }
.detail-head h1 { font-size: 24px; line-height: 1.4; margin-bottom: 10px; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 16px; }
.link-box { display: flex; gap: 10px; margin-bottom: 12px; }
.link-box input {
  flex: 1; min-width: 0; padding: 11px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-soft); color: var(--text); font-size: 14px; font-family: monospace;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.link-locked { padding: 14px; border-radius: 10px; background: var(--bg-soft); margin-bottom: 12px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.link-locked p { width: 100%; color: var(--text-2); }
.link-locked input { flex: 1; min-width: 160px; padding: 10px 12px; border-radius: 9px; border: 1px solid var(--border); background: var(--bg-card); color: var(--text); }
.code-box {
  display: flex; align-items: center; gap: 10px; padding: 12px 16px; margin-bottom: 12px;
  background: var(--primary-soft); border: 1px dashed var(--primary); border-radius: 10px;
  flex-wrap: wrap;
}
.code-label { font-size: 13px; color: var(--primary); }
.code-value { font-family: monospace; font-size: 20px; font-weight: 800; color: var(--primary); letter-spacing: 3px; word-break: break-all; }
.detail-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.detail-stats { display: flex; gap: 16px; font-size: 13px; color: var(--text-3); flex-wrap: wrap; }
.detail-desc { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.detail-desc h3 { font-size: 15px; margin-bottom: 8px; }
.detail-desc p { color: var(--text-2); white-space: pre-wrap; }
.detail-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.detail-grid { display: grid; grid-template-columns: 1fr 300px; gap: 16px; align-items: start; }
.detail-main, .detail-side { min-width: 0; }

/* 评论 */
.comment-form { display: flex; gap: 10px; margin-bottom: 14px; }
.comment-form textarea { flex: 1; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); color: var(--text); resize: vertical; font-family: inherit; }
.comment { padding: 12px 0; border-bottom: 1px solid var(--border); }
.comment:last-child { border-bottom: none; }
.comment-head { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; font-size: 13px; }
.comment p { font-size: 14px; }

/* 相关推荐 */
.related-item { display: flex; gap: 10px; padding: 9px; border-radius: 9px; align-items: center; color: var(--text); }
.related-item:hover { background: var(--bg-soft); color: var(--text); }
.related-item img, .rel-icon { width: 42px; height: 42px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }
.rel-icon { display: flex; align-items: center; justify-content: center; background: var(--primary-soft); color: var(--primary); font-size: 11px; font-weight: 700; }
.rel-title { font-size: 13px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 版本记录 */
.version-item { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px dashed var(--border); font-size: 13px; }

/* ===== 表单 ===== */
.form { display: flex; flex-direction: column; gap: 14px; max-width: 720px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 600; color: var(--text-2); }
.form input, .form select, .form textarea {
  padding: 10px 13px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 14px; font-family: inherit; outline: none;
}
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form hr { border: none; border-top: 1px solid var(--border); margin: 6px 0; }

/* ===== 登录页 ===== */
.auth-page { display: flex; justify-content: center; padding-top: 60px; }
.auth-card { width: 100%; max-width: 420px; padding: 32px; }
.auth-card h1 { margin-bottom: 20px; font-size: 22px; }
.auth-switch { margin-top: 16px; font-size: 14px; text-align: center; }
.auth-demo { margin-top: 18px; text-align: center; border-top: 1px dashed var(--border); padding-top: 14px; }

/* ===== 个人中心 ===== */
.profile-head { display: flex; align-items: center; gap: 18px; padding: 22px; }
.avatar {
  width: 68px; height: 68px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), #8b5cf6); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 30px; font-weight: 800;
}
.profile-info { flex: 1; min-width: 0; }
.profile-info h1 { font-size: 21px; margin-bottom: 4px; }
.profile-stats { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; font-size: 13px; color: var(--text-2); }
.me-tabs { display: flex; gap: 6px; margin-bottom: 18px; flex-wrap: wrap; }
.tab {
  padding: 8px 16px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text-2); cursor: pointer; font-size: 14px;
}
.tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.me-grid { grid-template-columns: repeat(2, 1fr); }
.card-manage { display: flex; }
.card-actions { display: flex; gap: 6px; margin-top: 4px; }
.follow-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border-radius: 10px; background: var(--bg-card); border: 1px solid var(--border); margin-bottom: 8px; color: var(--text); }
.follow-item:hover { border-color: var(--primary); }

/* ===== 通知 ===== */
.notify-item {
  display: flex; align-items: center; gap: 12px; padding: 14px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 8px;
}
.notify-item.read { opacity: .62; }
.notify-icon { font-size: 20px; }
.notify-content { flex: 1; min-width: 0; }
.notify-content p { font-size: 14px; word-break: break-word; }

/* ===== 管理后台 ===== */
.admin-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; text-align: center; }
.stat-card b { display: block; font-size: 26px; color: var(--primary); }
.stat-card.warn b { color: var(--warn); }
.stat-card.danger b { color: var(--danger); }
.stat-card span { font-size: 12px; color: var(--text-3); }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-wrap .admin-table { min-width: 620px; }
.admin-table th, .admin-table td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
.admin-table th { color: var(--text-3); font-weight: 600; font-size: 12px; white-space: nowrap; }
.admin-table .td-desc { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-table .ops { display: flex; gap: 5px; flex-wrap: wrap; }
.bar-chart { display: flex; align-items: flex-end; gap: 10px; height: 150px; padding-top: 10px; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 5px; height: 100%; justify-content: flex-end; }
.bar { width: 100%; max-width: 42px; background: linear-gradient(180deg, var(--primary), var(--primary-2)); border-radius: 6px 6px 0 0; min-height: 4px; }
.bar-label { font-size: 11px; color: var(--text-3); }
.cat-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.cat-bar-name { width: 90px; font-size: 13px; }
.cat-bar-track { flex: 1; background: var(--bg-soft); border-radius: 8px; height: 12px; overflow: hidden; }
.cat-bar-fill { height: 100%; background: linear-gradient(90deg, var(--primary), #8b5cf6); border-radius: 8px; }
.cat-bar-num { width: 36px; text-align: right; font-size: 12px; color: var(--text-3); }

/* ===== 分页 ===== */
.pagination { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 26px; flex-wrap: wrap; }
.pg-btn {
  padding: 6px 13px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text); cursor: pointer; font-size: 13px;
}
.pg-btn:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.pg-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.pg-btn:disabled { opacity: .4; cursor: not-allowed; }
.pg-info { margin-left: 10px; font-size: 13px; color: var(--text-3); }
.pg-dots { color: var(--text-3); }

/* ===== 模态框 / Toast ===== */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(10, 13, 20, .55); z-index: 1000;
  display: flex; align-items: center; justify-content: center; padding: 20px; backdrop-filter: blur(3px);
}
.modal { background: var(--bg-card); border-radius: 16px; width: 100%; max-width: 460px; box-shadow: 0 20px 60px rgba(0, 0, 0, .3); overflow: hidden; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-head h3 { font-size: 16px; }
.modal-close { border: none; background: none; font-size: 22px; color: var(--text-3); cursor: pointer; }
.modal-body { padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.modal-body select, .modal-body textarea { padding: 10px 13px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font-family: inherit; font-size: 14px; }

.stars-pick { display: flex; gap: 8px; justify-content: center; }
.star-btn { font-size: 34px; background: none; border: none; color: var(--border); cursor: pointer; transition: transform .15s; }
.star-btn:hover { color: #f5b301; transform: scale(1.2); }

#toast-box { position: fixed; top: 74px; left: 50%; transform: translateX(-50%); z-index: 2000; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  background: var(--text); color: var(--bg); padding: 10px 20px; border-radius: 10px;
  font-size: 14px; box-shadow: 0 8px 24px rgba(0, 0, 0, .2); opacity: 0; transform: translateY(-8px);
  transition: all .25s; max-width: 80vw;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background: var(--success); color: #fff; }
.toast.error { background: var(--danger); color: #fff; }

/* ===== 提交页 ===== */
.submit-page h1 { margin-bottom: 4px; }
.submit-page > .muted { margin-bottom: 18px; }
.fetch-preview { padding: 10px 0; }
.ok-box { background: rgba(47, 174, 110, .1); border: 1px solid rgba(47, 174, 110, .4); color: var(--success); padding: 10px 14px; border-radius: 10px; font-size: 14px; }
.err-box { background: rgba(229, 72, 77, .08); border: 1px solid rgba(229, 72, 77, .35); color: var(--danger); padding: 10px 14px; border-radius: 10px; font-size: 14px; }
.batch-result { display: flex; flex-direction: column; gap: 5px; max-height: 260px; overflow: auto; margin-top: 12px; }
.batch-line { display: flex; align-items: baseline; gap: 6px; font-size: 13px; padding: 7px 10px; border-radius: 8px; background: var(--bg-soft); word-break: break-all; }
.batch-line.ok { color: var(--success); border-left: 3px solid var(--success); }
.batch-line.err { color: var(--danger); border-left: 3px solid var(--danger); }
.batch-line-body { flex: 1; min-width: 0; }
.batch-line-link { flex-shrink: 0; font-size: 12px; }
.batch-stat { display: flex; gap: 16px; font-size: 13px; margin-bottom: 8px; }
.batch-stat .ok { color: var(--success); }
.batch-stat .err { color: var(--danger); }
/* 批量导入输入区 */
.batch-textarea {
  width: 100%; min-height: 140px; padding: 12px 14px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Courier New", monospace;
  font-size: 13px; line-height: 1.7; resize: vertical; outline: none;
  box-sizing: border-box;
}
.batch-textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.batch-meta { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 8px; font-size: 12px; color: var(--text-3); }
.batch-count { white-space: nowrap; }
.batch-count.over { color: var(--danger); font-weight: 600; }
.batch-actions { display: flex; gap: 8px; margin-top: 10px; }
.batch-actions .btn { flex: 1; }

/* ===== 页脚 ===== */
.footer { border-top: 1px solid var(--border); padding: 24px 20px; text-align: center; font-size: 13px; color: var(--text-3); }

/* ===== 响应式 ===== */
@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: 1fr; }
}
/* ===== 手机端（≤620px） ===== */
@media (max-width: 620px) {
  /* 导航 → 汉堡 + 抽屉 */
  .nav { height: calc(var(--nav-h) + env(safe-area-inset-top)); }
  .nav-inner { gap: 8px; padding-left: max(12px, env(safe-area-inset-left)); padding-right: max(12px, env(safe-area-inset-right)); }
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .logo-text { font-size: 17px; }

  /* 页面容器 */
  .page { padding: 16px max(14px, env(safe-area-inset-right)) 48px max(14px, env(safe-area-inset-left)); }
  .hero { padding: 40px 16px 34px; }
  .hero h1 { font-size: 24px; }
  .hero p { font-size: 14px; margin-bottom: 20px; }
  .hero-search { flex-direction: column; gap: 8px; }
  .hero-search .btn { width: 100%; padding: 13px; }
  .hero-search input { min-width: 0; padding: 13px 14px; font-size: 16px; } /* 16px 防 iOS 聚焦缩放 */
  .toolbar-search { flex-direction: column; }
  .toolbar-search input { min-width: 0; font-size: 16px; }
  .toolbar-filters { flex-direction: column; }
  .toolbar-filters select { width: 100%; font-size: 15px; padding: 10px 12px; }

  /* 卡片 */
  .grid { grid-template-columns: 1fr; gap: 12px; }
  .me-grid { grid-template-columns: 1fr; }
  .card-thumb, .card-thumb-fallback { height: 100px; }

  /* 详情页 */
  .detail-head { padding: 16px; }
  .detail-head h1 { font-size: 20px; }
  .detail-actions .btn { flex: 1 1 calc(50% - 8px); padding: 11px 8px; }
  .detail-stats { gap: 12px; }
  .link-box { flex-direction: column; }
  .link-box .btn { width: 100%; }
  .link-locked input { min-width: 0; width: 100%; }
  .link-locked .btn { flex: 1; }
  .code-value { font-size: 18px; letter-spacing: 2px; }
  .related-item { padding: 10px 6px; }

  /* 表单 */
  .form-row { grid-template-columns: 1fr; }
  .form input, .form select, .form textarea { font-size: 16px; }
  .btn { padding: 11px 14px; }
  .btn-small { padding: 6px 10px; font-size: 13px; }

  /* 个人中心 / 管理 */
  .profile-head { padding: 16px; gap: 14px; }
  .avatar { width: 56px; height: 56px; font-size: 24px; }
  .me-tabs, .admin-tabs { gap: 8px; }
  .me-tabs .tab, .admin-tabs .tab { flex: 1; text-align: center; padding: 10px 6px; white-space: nowrap; }
  .stat-cards { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .stat-card { padding: 12px 6px; }
  .stat-card b { font-size: 20px; }
  .stat-card span { font-size: 11px; }
  .cat-bar-name { width: 70px; }

  /* 通知 / 评论 / 其他 */
  .notify-item { flex-wrap: wrap; gap: 8px; }
  .notify-item .btn-small { flex-shrink: 0; }
  .comment-form { flex-direction: column; }
  .comment-form .btn { width: 100%; }
  .version-item { flex-wrap: wrap; }
  .auth-page { padding-top: 36px; }
  .auth-card { padding: 26px 20px; }
  .modal-overlay { padding: 0; align-items: flex-end; }
  .modal { max-width: 100%; max-height: 88vh; overflow-y: auto; border-radius: 16px 16px 0 0; }
  #toast-box { top: calc(70px + env(safe-area-inset-top)); }
  .toast { max-width: 92vw; }

  /* 页脚安全区 */
  .footer { padding-bottom: calc(20px + env(safe-area-inset-bottom)); }
}

/* ===== 超小屏（≤360px） ===== */
@media (max-width: 360px) {
  .logo-text { font-size: 15px; }
  .hero h1 { font-size: 21px; }
  .detail-head h1 { font-size: 18px; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 赞赏码 ===== */
.reward-gate {
  margin-top: 14px;
  padding: 18px 16px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  background: var(--bg-card);
  text-align: center;
}
.reward-gate p { margin-bottom: 10px; color: var(--muted); font-size: 13px; }
.reward-modal { text-align: center; }
.reward-modal .reward-img {
  max-width: 220px;
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, .18);
}
.reward-actions { display: flex; gap: 8px; margin: 6px 0 8px; }
.reward-actions .btn { flex: 0 0 auto; }
.reward-preview {
  margin: 6px 0 12px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
  width: fit-content;
}
.reward-preview img { display: block; max-width: 140px; max-height: 140px; border-radius: 8px; }

/* ===== 会员中心 ===== */
.vip-page h2 { margin: 22px 0 12px; font-size: 17px; }
.vip-hero { display: flex; align-items: center; gap: 16px; padding: 22px; border-radius: 14px; background: linear-gradient(135deg, #2b2f3a, #1d212c); color: #fff; }
.vip-hero .vip-icon { font-size: 40px; }
.vip-hero h1 { font-size: 20px; margin: 0 0 4px; }
.vip-hero p { margin: 0; opacity: .85; }
.vip-hero.vip-on { background: linear-gradient(135deg, #8a5a00, #c9920f 55%, #e8b63a); color: #2a1e00; }
.vip-hero.vip-on p { opacity: .9; }
.vip-plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(168px, 1fr)); gap: 12px; }
.vip-plan { display: flex; flex-direction: column; gap: 4px; border: 2px solid var(--border); border-radius: 12px; padding: 16px 14px; text-align: left; cursor: pointer; transition: border-color .2s, transform .2s, box-shadow .2s; background: var(--card); }
.vip-plan-head { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.vip-plan-head b { font-size: 15px; }
.vip-plan .chip { position: static; transform: none; flex-shrink: 0; }
.vip-plan .vip-price { font-size: 26px; font-weight: 700; color: var(--primary); line-height: 1.3; }
.vip-plan .vip-sub { font-size: 12px; }
.vip-perks { list-style: none; margin: 8px 0 0; padding: 8px 0 0; border-top: 1px dashed var(--border); display: grid; gap: 5px; font-size: 12px; color: var(--text-2); }
.vip-perks li { display: flex; align-items: center; gap: 6px; }
.vip-perks li::before { content: '✓'; color: var(--success); font-weight: 700; flex-shrink: 0; }

.vip-plan.active { border-color: var(--primary); transform: translateY(-2px); box-shadow: 0 6px 18px var(--primary-soft); }
.vip-channels { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 16px; }
.vip-channel { display: flex; flex-direction: column; gap: 4px; border: 2px solid var(--border); border-radius: 10px; padding: 12px 14px; cursor: pointer; background: var(--card); }
.vip-channel.active { border-color: var(--primary); }
.vip-channel input { display: none; }
.vip-channel-name { font-weight: 600; }
.pay-box { text-align: center; }
.pay-qr { width: 200px; height: 200px; border-radius: 10px; border: 1px solid var(--border); background: #fff; object-fit: contain; }
.pay-amount { font-size: 22px; font-weight: 700; color: var(--primary); margin: 10px 0 4px; }
.profile-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.vip-badge { color: #b8860b; font-weight: 600; }
@media (max-width: 620px) {
  .vip-plans { grid-template-columns: repeat(2, 1fr); }
  .vip-channels { grid-template-columns: 1fr; }
}

/* ===== 友情链接 / 赞助商 / 备案号 ===== */
.home-links { max-width: 960px; margin: 0 auto; padding: 8px 12px 0; display: grid; gap: 12px; }
.links-panel { border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; background: var(--card); }
.links-panel h3 { margin: 0 0 10px; font-size: 14px; color: var(--text); }
.site-links { display: flex; flex-wrap: wrap; gap: 8px; }
.site-links a { display: inline-block; padding: 5px 14px; border: 1px solid var(--border); border-radius: 999px; font-size: 13px; color: var(--accent); background: var(--bg); transition: all .2s; }
.site-links a:hover { border-color: var(--accent); background: var(--accent); color: #fff; text-decoration: none; }
.footer-beian { margin: 6px 0 0; font-size: 12px; color: var(--muted); }
.footer-beian a { color: var(--muted); text-decoration: none; }
.footer-beian a:hover { color: var(--accent); }
@media (max-width: 620px) { .home-links { padding: 8px 8px 0; } .site-links a { padding: 4px 12px; font-size: 12px; } }
.theme-palette { display: inline-flex; gap: 6px; margin: 0 8px 0 0; vertical-align: middle; }
.swatch { width: 26px; height: 26px; border-radius: 50%; border: 2px solid rgba(0,0,0,.12); cursor: pointer; padding: 0; transition: transform .15s; }
.swatch:hover { transform: scale(1.15); }
label input[type=color] { width: 44px; height: 30px; padding: 2px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-card); vertical-align: middle; cursor: pointer; }
.pay-sub { margin: 16px 0 6px; padding-top: 12px; border-top: 1px dashed var(--border); font-size: 14px; color: var(--text); }

/* ===== 会员套餐表单 ===== */
.plan-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; align-items: end; padding: 14px; border: 1px dashed var(--border); border-radius: 12px; background: var(--bg-soft); margin-bottom: 16px; }
.plan-field { display: flex; flex-direction: column; gap: 5px; }
.plan-field label { font-size: 12px; color: var(--text-2); }
.plan-field input { padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--card); color: var(--text); font-size: 14px; }
.plan-field input:focus { outline: none; border-color: var(--primary); }
.plan-submit { align-self: end; }