/* =========================================================
   移动端 设计系统  v3.0  -  简约商务风
   - 主色：青蓝渐变 linear-gradient(135deg,#2563eb 0%,#0ea5e9 100%)
   - 大圆角 16px 双层阴影  毛玻璃 backdrop-blur
   ========================================================= */

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

:root {
    /* 主色系 青蓝简约渐变 */
    --primary: #2563eb;
    --primary-deep: #0ea5e9;
    --primary-gradient: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
    --primary-gradient-soft: linear-gradient(135deg, rgba(37,99,235,0.14) 0%, rgba(14,165,233,0.14) 100%);
    --primary-light: rgba(37,99,235,0.10);

    /* 功能色 */
    --success: #10b981;
    --success-soft: rgba(16,185,129,0.12);
    --warning: #f59e0b;
    --warning-soft: rgba(245,158,11,0.12);
    --danger:  #ef4444;
    --danger-soft:  rgba(239,68,68,0.12);
    --info:    #06b6d4;
    --info-soft:    rgba(6,182,212,0.12);

    /* 文字 */
    --text-1: #0f172a;   /* 主文字 近黑 */
    --text-2: #475569;   /* 次文字 slate-600 */
    --text-3: #94a3b8;   /* 辅助文字 slate-400 */
    --text-inverse: #ffffff;

    /* 背景层 */
    --bg-app:       #f1f5f9;   /* slate-100 全局底 */
    --bg-card:      #ffffff;   /* 卡片底 */
    --bg-soft:      #f8fafc;   /* 柔和底 */
    --bg-chip:      #eef2f7;   /* chip 底 */

    /* 边框/分割 */
    --border-light:  rgba(15,23,42,0.06);
    --border-strong: rgba(15,23,42,0.10);

    /* 阴影层次 (neumorphism-soft) */
    --shadow-sm: 0 1px 2px rgba(15,23,42,0.05);
    --shadow-md: 0 4px 14px rgba(15,23,42,0.06), 0 2px 4px rgba(15,23,42,0.04);
    --shadow-lg: 0 10px 30px rgba(37,99,235,0.18), 0 4px 12px rgba(15,23,42,0.06);
    --shadow-card: 0 6px 20px rgba(15,23,42,0.07), 0 2px 6px rgba(15,23,42,0.04);

    /* 圆角 */
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-pill: 999px;

    /* 尺寸 */
    --h-nav: 64px;
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'PingFang SC', 'Hiragino Sans GB',
                 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.55;
    color: var(--text-1);
    background: var(--bg-app);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overscroll-behavior-y: contain;
}

html { scroll-behavior: smooth; }

body { background: var(--bg-app); }

.app {
    min-height: 100vh;
    max-width: 480px;
    margin: 0 auto;
    position: relative;
    padding-bottom: calc(var(--h-nav) + var(--safe-bottom) + 12px);
}

/* =========================================================
   顶部 Header - 毛玻璃
   ========================================================= */
.header {
    position: sticky; top: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    height: 52px; padding: 0 16px;
    background: rgba(255,255,255,0.78);
    backdrop-filter: saturate(180%) blur(18px);
    -webkit-backdrop-filter: saturate(180%) blur(18px);
    border-bottom: 1px solid var(--border-light);
}
.header-left, .header-right { width: 32px; height: 32px; display:flex; align-items:center; justify-content:center; }
.header-title {
    font-size: 17px; font-weight: 600; color: var(--text-1);
    letter-spacing: 0.2px;
    flex: 1; text-align: center;
}
.back-btn {
    width: 34px; height: 34px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-1);
    transition: background .15s;
}
.back-btn:active { background: var(--bg-chip); }
.back-btn svg { width: 22px; height: 22px; }

/* =========================================================
   底部 Tab 导航 - 毛玻璃+悬浮选中态
   ========================================================= */
.bottom-nav {
    position: fixed;
    bottom: 0; left: 50%; transform: translateX(-50%);
    width: 100%; max-width: 480px;
    display: flex; justify-content: space-around;
    height: calc(var(--h-nav) + var(--safe-bottom));
    padding-bottom: var(--safe-bottom);
    background: rgba(255,255,255,0.82);
    backdrop-filter: saturate(180%) blur(22px);
    -webkit-backdrop-filter: saturate(180%) blur(22px);
    border-top: none;
    box-shadow: 0 -6px 22px rgba(15,23,42,0.05);
    z-index: 200;
}
.nav-item {
    flex: 1; position: relative;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-decoration: none; color: var(--text-3);
    transition: color .22s ease, transform .15s ease;
}
.nav-item svg,
.nav-item .nav-icon {
    width: 24px;
    height: 24px;
    margin-bottom: 3px;
    transition: transform .22s, filter .22s;
}
.nav-item .nav-icon {
    display: block;
    object-fit: contain;
}
.nav-item span { font-size: 11px; font-weight: 500; }
.nav-item.active { color: var(--primary); }
.nav-item.active svg,
.nav-item.active .nav-icon {
    transform: translateY(-1px) scale(1.08);
    filter: drop-shadow(0 4px 8px rgba(37,99,235,0.28));
}
/* 兼容旧 SVG 图标：底部导航选中时 icon 用渐变填充 (线条变为填充) */
.nav-item.active svg path,
.nav-item.active svg polygon,
.nav-item.active svg polyline,
.nav-item.active svg circle,
.nav-item.active svg rect,
.nav-item.active svg line {
    fill: url(#tabGradient);
    stroke: transparent !important;
    stroke-width: 0 !important;
}
.nav-item.active::before {
    content: none;
    display: none;
}
.nav-item:active { transform: scale(0.95); }

/* =========================================================
   通用 Chip / Tag / Badge
   ========================================================= */
.chip {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 5px 12px; border-radius: var(--radius-pill);
    font-size: 12px; font-weight: 500; line-height: 1.4;
    background: var(--bg-chip); color: var(--text-2);
    transition: all .15s;
    white-space: nowrap;
}
.chip-sm { padding: 3px 9px; font-size: 11px; }
.chip-primary   { background: var(--primary-light);     color: var(--primary); }
.chip-success   { background: var(--success-soft);      color: var(--success); }
.chip-warning   { background: var(--warning-soft);      color: var(--warning); }
.chip-danger    { background: var(--danger-soft);       color: var(--danger); }
.chip-info      { background: var(--info-soft);         color: var(--info); }
.chip-gradient {
    background: var(--primary-gradient); color: #fff;
    box-shadow: 0 4px 10px rgba(37,99,235,0.28);
}
.chip-outline   { background: #fff; border: 1px solid var(--border-strong); }
.chip.active {
    background: var(--primary-gradient); color: #fff;
    box-shadow: 0 4px 12px rgba(37,99,235,0.32);
}

/* =========================================================
   通用 Card
   ========================================================= */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: transform .15s ease, box-shadow .2s ease;
    overflow: hidden;
}
.card:active { transform: scale(0.985); }
.card-soft {
    background: linear-gradient(180deg, #fff 0%, #fafbff 100%);
}

.section-title {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 18px 12px;
}
.section-title h3 {
    font-size: 16px; font-weight: 700; color: var(--text-1);
    display: flex; align-items: center; gap: 8px;
}
.section-title h3::before {
    content:''; width: 3px; height: 16px; border-radius: 2px;
    background: var(--primary-gradient);
}
.section-title .more {
    font-size: 12px; color: var(--text-3); text-decoration: none;
    display: flex; align-items: center; gap: 2px;
}

/* =========================================================
   搜索框 (圆角胶囊 + 毛玻璃内阴影)
   ========================================================= */
.search {
    display: flex; align-items: center;
    height: 44px; padding: 0 14px; gap: 8px;
    background: #fff;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-light);
    box-shadow: inset 0 1px 2px rgba(15,23,42,0.03);
    transition: all .2s;
}
.search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light), var(--shadow-sm);
}
.search svg { width: 18px; height: 18px; color: var(--text-3); flex-shrink: 0; }
.search input {
    flex: 1; height: 100%; border: 0; background: transparent; outline: 0;
    font-size: 14px; color: var(--text-1);
}
.search input::placeholder { color: var(--text-3); }
.search .btn-search {
    padding: 6px 14px; font-size: 13px; font-weight: 500;
    border-radius: var(--radius-pill); border: 0; cursor: pointer;
    color: #fff; background: var(--primary-gradient);
    box-shadow: 0 4px 10px rgba(37,99,235,0.30);
}

/* =========================================================
   按钮
   ========================================================= */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    height: 42px; padding: 0 20px; border: 0; cursor: pointer;
    border-radius: var(--radius-md);
    font-size: 14px; font-weight: 600;
    transition: all .18s ease;
}
.btn-primary {
    color: #fff; background: var(--primary-gradient);
    box-shadow: 0 8px 18px rgba(37,99,235,0.32);
}
.btn-primary:active { transform: translateY(1px); box-shadow: 0 4px 10px rgba(37,99,235,0.28); }
.btn-ghost {
    color: var(--primary); background: var(--primary-light);
}
.btn-white {
    color: var(--text-1); background: #fff;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}
.btn-block { width: 100%; }

/* =========================================================
   Hero 渐变 Banner
   ========================================================= */
.hero {
    position: relative; overflow: hidden;
    margin: 12px 16px 0;
    padding: 20px 20px 22px;
    border-radius: var(--radius-xl);
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: var(--shadow-lg);
}
.hero::before, .hero::after {
    content:''; position: absolute; border-radius: 50%; opacity: 0.25;
    background: radial-gradient(circle at 30% 30%, #fff, transparent 60%);
}
.hero::before { width: 220px; height: 220px; right: -60px; top: -80px; }
.hero::after  { width: 140px; height: 140px; left: -30px; bottom: -60px; opacity: 0.15; }
.hero .hello { font-size: 13px; opacity: 0.9; }
.hero .title {
    font-size: 22px; font-weight: 700; margin: 6px 0 4px;
    letter-spacing: 0.3px; position: relative; z-index: 1;
}
.hero .subtitle { font-size: 12.5px; opacity: 0.9; position: relative; z-index: 1; }
.hero .hero-search {
    margin-top: 16px; position: relative; z-index: 1;
    background: rgba(255,255,255,0.95);
    color: var(--text-1);
    box-shadow: 0 10px 26px rgba(0,0,0,0.12);
}
.hero .hero-search input::placeholder { color: var(--text-3); }

/* =========================================================
   首页 - 搜索条 (简约胶囊)
   ========================================================= */
.home-search { padding: 14px 16px 4px; }
.home-search .search {
    box-shadow: 0 6px 16px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04);
}

/* =========================================================
   快捷入口 (4格/8格)
   ========================================================= */
.quick-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 10px 4px;
    margin: 16px; padding: 16px 8px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}
.quick-item {
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    padding: 8px 4px; text-decoration: none; color: var(--text-2);
    transition: transform .15s;
}
.quick-item:active { transform: scale(0.94); }
.quick-icon {
    width: 48px; height: 48px; border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 22px;
    box-shadow: 0 6px 14px rgba(0,0,0,0.08);
    position: relative;
}
.qi-blue   { background: linear-gradient(135deg,#60a5fa,#2563eb); }
.qi-green  { background: linear-gradient(135deg,#34d399,#059669); }
.qi-orange { background: linear-gradient(135deg,#fbbf24,#f59e0b); }
.qi-purple { background: linear-gradient(135deg,#a78bfa,#7c3aed); }
.qi-pink   { background: linear-gradient(135deg,#f472b6,#db2777); }
.qi-cyan   { background: linear-gradient(135deg,#22d3ee,#0891b2); }
.qi-red    { background: linear-gradient(135deg,#f87171,#dc2626); }
.qi-indigo { background: linear-gradient(135deg,#818cf8,#4f46e5); }
.quick-icon svg { width: 24px; height: 24px; color: #fff; }
.quick-label { font-size: 12px; font-weight: 500; }

/* =========================================================
   数据统计卡片 (4格)
   ========================================================= */
.stat-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
    margin: 0 16px;
}
.stat-card {
    padding: 16px; border-radius: var(--radius-lg);
    background: #fff; box-shadow: var(--shadow-card);
    position: relative; overflow: hidden;
}
.stat-card::after {
    content:''; position: absolute; right: -20px; bottom: -20px;
    width: 80px; height: 80px; border-radius: 50%;
    opacity: 0.1; background: var(--primary-gradient);
}
.stat-card .label { font-size: 12.5px; color: var(--text-3); display:flex; align-items:center; gap:6px; }
.stat-card .value {
    font-size: 26px; font-weight: 700; margin-top: 6px;
    background: var(--primary-gradient);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
    letter-spacing: -0.5px;
}
.stat-card.success .value { background: linear-gradient(135deg,#34d399,#059669); -webkit-background-clip:text; background-clip:text; }
.stat-card.warning .value { background: linear-gradient(135deg,#fbbf24,#f59e0b); -webkit-background-clip:text; background-clip:text; }
.stat-card.danger  .value { background: linear-gradient(135deg,#f87171,#dc2626); -webkit-background-clip:text; background-clip:text; }
.stat-card .trend {
    display: inline-flex; align-items: center; gap: 3px; margin-top: 6px;
    padding: 2px 7px; border-radius: var(--radius-pill);
    font-size: 11px; font-weight: 600;
}
.stat-card .trend.up { background: var(--success-soft); color: var(--success); }
.stat-card .trend.down { background: var(--danger-soft); color: var(--danger); }

/* =========================================================
   公告/通知 跑马灯条
   ========================================================= */
.notice-bar {
    margin: 16px; padding: 10px 14px;
    display: flex; align-items: center; gap: 10px;
    background: linear-gradient(90deg, #fff7ed 0%, #fef3c7 100%);
    border: 1px solid rgba(245,158,11,0.2);
    border-radius: var(--radius-md);
}
.notice-bar .bell {
    width: 28px; height: 28px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    color: var(--warning); background: rgba(245,158,11,0.18);
    border-radius: 50%;
}
.notice-bar .bell svg { width: 15px; height: 15px; }
.notice-bar .text {
    flex: 1; font-size: 12.5px; color: #92400e; overflow: hidden;
    white-space: nowrap; text-overflow: ellipsis;
}

/* =========================================================
   筛选 chip 横向滚动行
   ========================================================= */
.filter-row {
    display: flex; gap: 8px; overflow-x: auto;
    padding: 4px 16px 10px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}
.filter-row::-webkit-scrollbar { display: none; }
.filter-row:first-of-type { padding-top: 12px; }

/* 筛选区域带白底 (国标页用) */
.filter-section {
    background: #fff;
    margin: 0 16px; margin-top: 12px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding-bottom: 12px;
}
.filter-section .filter-row { padding-left: 14px; padding-right: 14px; }
.filter-section .search {
    margin: 10px 14px 4px;
}

/* =========================================================
   列表卡片通用 (升级)
   ========================================================= */
.card-list, .list-container, .document-list, .violation-list {
    padding: 12px 16px 24px;
    display: flex; flex-direction: column; gap: 12px;
}
.content { padding: 0; }

/* 国标卡片 */
.standard-card {
    position: relative;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 16px 16px 14px;
    box-shadow: var(--shadow-card);
    cursor: pointer;
    transition: transform .15s, box-shadow .2s;
    overflow: hidden;
}
.standard-card::before {
    content:''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: var(--primary-gradient);
}
.standard-card:active { transform: scale(0.985); }
.standard-card .card-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 8px;
}
.standard-card .card-code {
    font-family: 'SF Mono', 'JetBrains Mono', Menlo, Consolas, monospace;
    font-size: 13.5px; font-weight: 700;
    padding: 4px 10px; border-radius: 8px;
    background: var(--primary-light); color: var(--primary);
    letter-spacing: 0.3px;
}
.standard-card .card-type {
    font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 8px;
}
.standard-card .card-title {
    font-size: 15px; font-weight: 600; color: var(--text-1);
    line-height: 1.55; margin: 4px 0 12px;
    display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}
.standard-card .card-meta {
    display: flex; gap: 12px; flex-wrap: wrap;
    font-size: 12px; color: var(--text-3);
}
.standard-card .card-meta span {
    display: inline-flex; align-items: center; gap: 4px;
}
.standard-card .card-footer {
    margin-top: 12px; padding-top: 12px;
    border-top: 1px dashed var(--border-light);
    display: flex; justify-content: space-between; align-items: center;
}
.standard-card .card-date { font-size: 11.5px; color: var(--text-3); }
.standard-card .card-status {
    font-size: 11.5px; font-weight: 600; padding: 4px 10px; border-radius: 8px;
}
.standard-card .card-status.current { background: var(--success-soft); color: var(--success); }
.standard-card .card-status.obsolete{ background: var(--danger-soft);  color: var(--danger);  }
.standard-card .card-type.gb { background: linear-gradient(135deg,rgba(96,165,250,0.18),rgba(37,99,235,0.18)); color:#2563eb; }
.standard-card .card-type.hb { background: linear-gradient(135deg,rgba(52,211,153,0.18),rgba(5,150,105,0.18)); color:#059669; }

/* 违章卡片 */
.violation-card {
    background: #fff; border-radius: var(--radius-lg);
    padding: 16px; box-shadow: var(--shadow-card);
    cursor: pointer; transition: transform .15s;
    position: relative; overflow: hidden;
}
.violation-card:active { transform: scale(0.985); }
.violation-card::after {
    content:''; position: absolute; right: -24px; top: -24px;
    width: 80px; height: 80px; border-radius: 50%;
    background: linear-gradient(135deg,#fef2f2,#fee2e2); opacity: 0.7;
}
.violation-card .card-header {
    display: flex; justify-content: space-between; align-items: flex-start;
    margin-bottom: 10px;
}
.violation-card .violation-name {
    font-size: 15px; font-weight: 600; color: var(--text-1);
    flex: 1; padding-right: 10px; line-height: 1.5;
    display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
    position: relative; z-index: 1;
}
.violation-card .violation-category {
    padding: 4px 10px; border-radius: 8px;
    font-size: 11px; font-weight: 600; white-space: nowrap;
    background: var(--warning-soft); color: var(--warning);
}
.violation-card .card-content {
    font-size: 13px; color: var(--text-2); line-height: 1.6;
    display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
    position: relative; z-index: 1;
}
.violation-card .card-footer {
    margin-top: 12px; padding-top: 12px;
    border-top: 1px dashed var(--border-light);
    display: flex; justify-content: space-between; align-items: center;
    position: relative; z-index: 1;
}
.violation-card .penalty-info { display: flex; gap: 10px; flex-wrap: wrap; }
.violation-card .penalty-item {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 9px; border-radius: 8px;
    font-size: 11.5px; font-weight: 600;
    background: var(--bg-chip); color: var(--text-2);
}
.violation-card .penalty-item.fine     { background: var(--danger-soft);  color: var(--danger); }
.violation-card .penalty-item.points   { background: var(--warning-soft); color: var(--warning); }
.violation-card .penalty-item.suspension { background: var(--info-soft);  color: var(--info); }
.violation-card .arrow-icon { width: 18px; height: 18px; color: var(--text-3); }

/* 知识库 doc 卡片 */
.doc-card {
    background: #fff; border-radius: var(--radius-lg);
    padding: 14px 16px; box-shadow: var(--shadow-card);
    cursor: pointer; transition: transform .15s;
}
.doc-card:active { transform: scale(0.985); }
.doc-card-header {
    display: flex; align-items: flex-start; gap: 12px;
    margin-bottom: 12px;
}
.doc-icon {
    width: 46px; height: 46px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; flex-shrink: 0; color: #fff; font-weight: 700;
    box-shadow: 0 6px 12px rgba(0,0,0,0.08);
}
.doc-icon.pdf { background: linear-gradient(135deg,#fb7185,#e11d48); }
.doc-icon.doc { background: linear-gradient(135deg,#60a5fa,#2563eb); }
.doc-icon.ppt { background: linear-gradient(135deg,#fb923c,#ea580c); }
.doc-icon.xls { background: linear-gradient(135deg,#34d399,#059669); }
.doc-icon.txt { background: linear-gradient(135deg,#94a3b8,#64748b); }
.doc-name {
    font-size: 15px; font-weight: 600; color: var(--text-1);
    margin-bottom: 6px;
    display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}
.doc-meta {
    display: flex; flex-wrap: wrap; gap: 10px;
    font-size: 12px; color: var(--text-3);
}
.doc-meta span {
    display: inline-flex; align-items: center; gap: 4px;
}
.doc-card-footer {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 12px; border-top: 1px dashed var(--border-light);
}
.doc-category, .doc-format {
    font-size: 11.5px; font-weight: 600; padding: 4px 10px; border-radius: 8px;
}
.doc-category { background: var(--primary-light); color: var(--primary); }
.doc-format   { background: var(--bg-chip);      color: var(--text-2); }

/* =========================================================
   搜索栏 (sticky 带白底阴影) - 违章 / 知识 页通用
   ========================================================= */
.search-bar, .search-header {
    background: rgba(255,255,255,0.85);
    backdrop-filter: saturate(180%) blur(18px);
    -webkit-backdrop-filter: saturate(180%) blur(18px);
    padding: 12px 16px; position: sticky; top: 0; z-index: 99;
    border-bottom: 1px solid var(--border-light);
}
.search-input-wrapper { position: relative; display: flex; align-items: center; }
.search-input-wrapper .search-icon {
    position: absolute; left: 14px; width: 18px; height: 18px; color: var(--text-3);
}
.search-input-wrapper .clear-icon {
    position: absolute; right: 14px; width: 18px; height: 18px; color: var(--text-3);
    cursor: pointer; display: none;
}
.search-input-wrapper .clear-icon.visible { display: block; }
.search-bar .search-input,
.search-header .search-input,
.search-input-wrapper .search-input {
    width: 100%; height: 42px; padding: 0 42px;
    border: 1px solid var(--border-light);
    background: #fff; border-radius: var(--radius-pill);
    font-size: 14px; outline: 0; color: var(--text-1);
    box-shadow: inset 0 1px 2px rgba(15,23,42,0.03);
    transition: all .2s;
}
.search-bar .search-input:focus,
.search-header .search-input:focus,
.search-input-wrapper .search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
}

/* 分类 chip 条 */
.category-filter, .filter-bar {
    background: transparent;
    border-bottom: 0;
    margin-bottom: 0;
    padding: 4px 0;
}
.category-scroll { overflow-x: auto; scrollbar-width: none; }
.category-scroll::-webkit-scrollbar { display: none; }
.category-list { display: flex; padding: 10px 16px; gap: 8px; min-width: max-content; }
.category-item {
    padding: 7px 14px; border-radius: var(--radius-pill);
    font-size: 12.5px; font-weight: 500;
    background: #fff; color: var(--text-2);
    border: 1px solid var(--border-light);
    white-space: nowrap; cursor: pointer;
    transition: all .15s;
}
.category-item.active {
    background: var(--primary-gradient); color: #fff; border-color: transparent;
    box-shadow: 0 6px 14px rgba(37,99,235,0.28);
}

/* =========================================================
   加载中 / 空状态 / 加载更多
   ========================================================= */
.loading, .loading-state {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 56px 20px; color: var(--text-3);
}
.loading-spinner {
    width: 34px; height: 34px; border: 3px solid var(--bg-chip);
    border-top-color: var(--primary); border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 12px;
    box-shadow: 0 0 0 4px rgba(102,126,234,0.06);
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 64px 24px; text-align: center;
}
.empty-state svg { width: 72px; height: 72px; opacity: 0.35; margin-bottom: 16px; }
.empty-state p { color: var(--text-3); font-size: 13.5px; }
.empty-state .empty-icon { font-size: 56px; margin-bottom: 12px; opacity: 0.4; }

.load-more {
    text-align: center; padding: 18px;
    color: var(--text-3); font-size: 12.5px;
    cursor: pointer;
}
.load-more:active { color: var(--text-2); }

/* =========================================================
   Toast / 弹窗
   ========================================================= */
.toast {
    position: fixed; top: 64px; left: 50%; transform: translateX(-50%);
    z-index: 9999; padding: 10px 18px;
    background: rgba(15,23,42,0.92);
    color: #fff; font-size: 13.5px;
    border-radius: 12px; backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    animation: toastIn .25s ease;
    max-width: 86%;
}
@keyframes toastIn {
    from { opacity: 0; transform: translate(-50%, -10px); }
    to   { opacity: 1; transform: translate(-50%, 0); }
}

.confirm-modal, .alert-modal {
    position: fixed; inset: 0; z-index: 1000;
    display: none; align-items: center; justify-content: center;
    padding: 24px;
}
.confirm-modal.active, .alert-modal.active { display: flex; }
.confirm-overlay, .alert-overlay {
    position: absolute; inset: 0; background: rgba(15,23,42,0.48);
    backdrop-filter: blur(2px);
    animation: fadeIn .2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.confirm-dialog, .alert-dialog {
    position: relative; width: 100%; max-width: 320px;
    background: #fff; border-radius: 20px;
    box-shadow: 0 20px 50px rgba(15,23,42,0.2);
    overflow: hidden;
    animation: modalIn .24s cubic-bezier(.2,.9,.2,1.1);
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(16px) scale(0.96); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.confirm-body, .alert-body { padding: 24px 20px; text-align: center; }
.confirm-title, .alert-title { font-size: 16px; font-weight: 700; color: var(--text-1); margin-bottom: 6px; }
.confirm-message, .alert-message { font-size: 14px; color: var(--text-2); line-height: 1.6; }
.alert-icon { padding: 22px 0 8px; text-align: center; }
.alert-icon svg { width: 52px; height: 52px; }
.alert-icon.warning svg { color: var(--warning); filter: drop-shadow(0 4px 10px rgba(245,158,11,0.3)); }
.alert-icon.error   svg { color: var(--danger);  filter: drop-shadow(0 4px 10px rgba(239,68,68,0.3));  }

.confirm-footer, .alert-footer {
    display: flex; border-top: 1px solid var(--border-light);
    padding: 0;
}
.confirm-btn, .alert-btn {
    flex: 1; padding: 15px; border: 0; background: none;
    font-size: 15px; font-weight: 600; cursor: pointer;
    color: var(--text-2);
}
.confirm-btn.cancel { border-right: 1px solid var(--border-light); color: var(--text-2); }
.confirm-btn.confirm { color: var(--primary); }
.alert-btn {
    width: 100%; color: #fff;
    background: var(--primary-gradient);
    box-shadow: 0 8px 18px rgba(102,126,234,0.28);
    margin: 0 20px 20px; padding: 13px;
    border-radius: var(--radius-md);
}

/* =========================================================
   公用: 内容 padding bottom 避免被底部tab遮挡
   ========================================================= */
.page-body { padding-bottom: 24px; }

/* 隐藏 file_data BLOB 字段不生效 (已在接口层删除，此为保险) */
[data-hidden-file-data] { display: none !important; }

/* 安全区兜底 */
@supports not (backdrop-filter: blur(10px)) {
    .header, .bottom-nav, .search-bar, .search-header {
        background: #fff;
    }
}