/* ============================================================
   GM 传奇论坛 - 主样式表
   设计风格：深色游戏风 · 金蓝配色 · 锐利质感
   ============================================================ */

/* ===== 设计令牌 ===== */
:root {
    /* 主色调 */
    --color-primary: #F59E0B;
    --color-primary-light: #FBBF24;
    --color-primary-dark: #D97706;
    --color-secondary: #3B82F6;
    --color-secondary-light: #60A5FA;
    --color-accent: #EF4444;

    /* 功能色 */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-info: #3B82F6;

    /* 背景色 */
    --bg-body: #0A0F1C;
    --bg-card: #111827;
    --bg-card-hover: #1F2937;
    --bg-header: #050810;
    --bg-sidebar: #0D1117;
    --bg-input: #1E293B;
    --bg-modal: #0F172A;

    /* 文字色 */
    --text-main: #E5E7EB;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    --text-inverse: #0A0F1C;

    /* 边框色 */
    --border: #1F2937;
    --border-light: #374151;
    --border-primary: #F59E0B;

    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(245, 158, 11, 0.15);
    --shadow-glow-strong: 0 0 30px rgba(245, 158, 11, 0.3);

    /* 圆角 */
    --radius-sm: 4px;
    --radius: 6px;
    --radius-lg: 10px;
    --radius-xl: 16px;

    /* 间距 */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* 排版 */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
    --font-mono: "SF Mono", "Cascadia Code", "Consolas", monospace;
    --font-size-xs: 12px;
    --font-size-sm: 13px;
    --font-size-base: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 22px;
    --font-size-3xl: 28px;
    --font-size-4xl: 36px;

    /* 布局 */
    --container: 1200px;
    --header-height: 60px;

    /* 过渡 */
    --transition: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* ===== Reset & Base ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

/* 防止滚动条出现时页面左右晃动 */
html {
    overflow-y: scroll;
    scrollbar-gutter: stable;
}

/* ===== 图片上传组件 ===== */
.image-upload-box {
    margin-bottom: 8px;
}
.image-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 32px 20px;
    border: 2px dashed var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-muted);
    text-align: center;
}
.image-upload-label:hover {
    border-color: var(--color-primary);
    background: rgba(245, 158, 11, 0.05);
}
.upload-icon {
    font-size: 32px;
    opacity: 0.6;
}
.upload-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-main);
}
.upload-hint {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}
.image-preview-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-top: 10px;
}
.image-preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-muted);
    border: 1px solid var(--border);
}
.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.image-preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(0,0,0,0.7);
    color: #fff;
    font-size: 14px;
    line-height: 22px;
    text-align: center;
    cursor: pointer;
    border: none;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-main);
    background: var(--bg-body);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(245, 158, 11, 0.06), transparent),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(59, 130, 246, 0.04), transparent);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--color-primary); text-decoration: none; }

img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

::selection { background: var(--color-primary); color: var(--text-inverse); }

/* ===== 布局 ===== */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main.container {
    flex: 1 0 auto;
    width: 100%;
    padding-top: var(--space-lg);
    padding-bottom: var(--space-xl);
}

.row { display: flex; flex-wrap: wrap; margin: 0 calc(-1 * var(--space-sm)); }
.col { flex: 1; padding: 0 var(--space-sm); }
.col-2 { flex: 0 0 50%; padding: 0 var(--space-sm); }
.col-3 { flex: 0 0 33.333%; padding: 0 var(--space-sm); }
.col-4 { flex: 0 0 25%; padding: 0 var(--space-sm); }
.col-2-3 { flex: 0 0 66.666%; padding: 0 var(--space-sm); }
.col-1-4 { flex: 0 0 25%; padding: 0 var(--space-sm); }
.col-3-4 { flex: 0 0 75%; padding: 0 var(--space-sm); }

/* 主内容 + 侧栏布局（推荐使用） */
.col-main { flex: 0 0 70%; padding: 0 var(--space-sm); }
.col-side { flex: 0 0 30%; padding: 0 var(--space-sm); }

/* ===== 页头 ===== */
.site-header {
    background: linear-gradient(180deg, rgba(5, 8, 16, 0.98), rgba(10, 15, 28, 0.95));
    border-bottom: 1px solid rgba(245, 158, 11, 0.15);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4),
                0 1px 0 rgba(245, 158, 11, 0.05) inset;
}
.site-header::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.3), transparent);
}

.header-inner {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

/* Brand / Logo 区域 */
.brand {
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: 1.5px;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    white-space: nowrap;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary), var(--color-primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all var(--transition);
    position: relative;
}
.brand:hover {
    filter: brightness(1.15);
    text-shadow: 0 0 30px rgba(245, 158, 11, 0.5);
}
.brand::before {
    content: "";
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    -webkit-text-fill-color: initial;
    filter: drop-shadow(0 0 6px rgba(245, 158, 11, 0.4));
    transition: transform var(--transition);
}
.brand:hover::before {
    transform: rotate(15deg) scale(1.1);
}

/* 主导航 */
.main-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
    overflow-x: auto;
    scrollbar-width: none;
    height: 100%;
}
.main-nav::-webkit-scrollbar { display: none; }

.main-nav a {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    padding: 0 var(--space-md);
    height: 100%;
    display: flex;
    align-items: center;
    white-space: nowrap;
    transition: all var(--transition);
    position: relative;
    font-weight: 500;
}
.main-nav a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary-light), var(--color-primary-dark));
    border-radius: 2px 2px 0 0;
    transition: all var(--transition);
    opacity: 0;
}
.main-nav a:hover {
    color: var(--color-primary-light);
    background: rgba(245, 158, 11, 0.06);
}
.main-nav a:hover::after {
    width: 60%;
    opacity: 1;
}
.main-nav a.active {
    color: var(--color-primary);
    background: linear-gradient(180deg, rgba(245, 158, 11, 0.08), transparent);
}
.main-nav a.active::after {
    width: 70%;
    opacity: 1;
    height: 3px;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

/* 用户操作区 */
.user-actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-sm);
}
.user-actions a {
    color: var(--text-secondary);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    position: relative;
    font-weight: 500;
}
.user-actions a:hover {
    color: var(--color-primary);
    background: rgba(245, 158, 11, 0.08);
}
.user-actions .username { color: var(--text-main); font-weight: 500; }
.user-actions .btn {
    padding: 6px 16px;
    font-size: var(--font-size-sm);
    border-radius: var(--radius);
}
.user-actions .btn:hover {
    transform: translateY(-1px);
}

/* 充值链接特殊样式 */
.user-actions .recharge-link {
    color: var(--color-warning);
    font-weight: 600;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius);
    padding: 5px 12px;
}
.user-actions .recharge-link:hover {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.4);
    color: var(--color-primary-light);
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.2);
}

/* 购物车和消息链接 */
.user-actions .cart-link,
.user-actions .notice-link {
    display: inline-flex;
    align-items: center;
}
.user-actions .cart-link:hover,
.user-actions .notice-link:hover {
    color: var(--color-primary);
}

/* 用户链接 */
.user-actions .user-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--text-main);
    font-weight: 500;
}
.user-actions .user-link:hover {
    color: var(--color-primary);
}

/* 间距工具类 - 左外边距 */
.ml-3 { margin-left: var(--space-md); }

/* ===== 页脚 ===== */
.site-footer {
    background: var(--bg-header);
    border-top: 1px solid var(--border);
    padding: var(--space-xl) 0;
    margin-top: auto;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}
.site-footer p { text-align: center; }
.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}
.footer-links a { color: var(--text-secondary); }
.footer-links a:hover { color: var(--color-primary); }

/* ===== 卡片 ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    position: relative;
    box-shadow:
        0 1px 3px rgba(0, 0, 0, 0.3),
        0 4px 12px rgba(0, 0, 0, 0.15);
}
.card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    pointer-events: none;
}
.card:hover {
    border-color: var(--border-light);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.4),
        0 12px 32px rgba(0, 0, 0, 0.25);
}

.card-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
    position: relative;
}
.card-header::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: var(--space-lg);
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), transparent);
    border-radius: 2px;
}
.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-main);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.card-title::before {
    content: "";
    width: 3px;
    height: 16px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
    border-radius: 2px;
    box-shadow: 0 0 6px rgba(245, 158, 11, 0.4);
}
.card-tools { display: flex; align-items: center; gap: var(--space-sm); }

.card-body { padding: var(--space-lg); position: relative; }
.card-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.2);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 20px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: var(--bg-input);
    color: var(--text-main);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
    line-height: 1.4;
}
.btn:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
    text-decoration: none;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-color: var(--color-primary);
    color: var(--text-inverse);
    font-weight: 600;
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    box-shadow: var(--shadow-glow);
    color: var(--text-inverse);
}

.btn-secondary {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: #fff;
}
.btn-secondary:hover {
    background: var(--color-secondary-light);
    color: #fff;
}

.btn-success { background: var(--color-success); border-color: var(--color-success); color: #fff; }
.btn-success:hover { filter: brightness(1.1); color: #fff; }

.btn-danger { background: var(--color-danger); border-color: var(--color-danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.1); color: #fff; }

.btn-warning { background: var(--color-warning); border-color: var(--color-warning); color: var(--text-inverse); }
.btn-warning:hover { filter: brightness(1.1); color: var(--text-inverse); }

.btn-outline {
    background: transparent;
    border-color: var(--border-light);
    color: var(--text-secondary);
}
.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-sm { padding: 4px 12px; font-size: var(--font-size-xs); }
.btn-lg { padding: 12px 28px; font-size: var(--font-size-base); }
.btn-block { width: 100%; }

.btn-group { display: inline-flex; }
.btn-group .btn { border-radius: 0; }
.btn-group .btn:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.btn-group .btn:last-child { border-radius: 0 var(--radius) var(--radius) 0; }
.btn-group .btn + .btn { margin-left: -1px; }

/* ===== 表单 ===== */
.form-group { margin-bottom: var(--space-md); }
.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}
.form-label .required { color: var(--color-danger); margin-left: 2px; }

.form-control {
    width: 100%;
    padding: 9px 12px;
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--text-main);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
    outline: none;
}
.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.12);
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:disabled { opacity: 0.6; cursor: not-allowed; }

textarea.form-control { resize: vertical; min-height: 100px; }
select.form-control { cursor: pointer; }

.form-hint {
    margin-top: var(--space-xs);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}
.form-error {
    margin-top: var(--space-xs);
    font-size: var(--font-size-xs);
    color: var(--color-danger);
}

.form-row { display: flex; gap: var(--space-md); }
.form-row .form-group { flex: 1; }

.form-inline {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.search-bar {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}
.search-bar .form-control { flex: 1; min-width: 200px; }

/* ===== 排版 ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-main);
    margin-bottom: var(--space-md);
}
h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p { margin-bottom: var(--space-md); }
.lead { font-size: var(--font-size-lg); color: var(--text-secondary); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-info { color: var(--color-info); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

.fw-bold { font-weight: 700; }
.fw-medium { font-weight: 500; }
.fw-normal { font-weight: 400; }

.fs-xs { font-size: var(--font-size-xs); }
.fs-sm { font-size: var(--font-size-sm); }
.fs-base { font-size: var(--font-size-base); }
.fs-lg { font-size: var(--font-size-lg); }
.fs-xl { font-size: var(--font-size-xl); }

/* ===== 徽章 & 标签 ===== */
.badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    line-height: 1.5;
    border-radius: 999px;
    background: var(--bg-input);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.badge-primary { background: rgba(245, 158, 11, 0.15); color: var(--color-primary); border-color: rgba(245, 158, 11, 0.3); }
.badge-success { background: rgba(16, 185, 129, 0.15); color: var(--color-success); border-color: rgba(16, 185, 129, 0.3); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: var(--color-warning); border-color: rgba(245, 158, 11, 0.3); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: var(--color-danger); border-color: rgba(239, 68, 68, 0.3); }
.badge-info { background: rgba(59, 130, 246, 0.15); color: var(--color-info); border-color: rgba(59, 130, 246, 0.3); }

.tag {
    display: inline-block;
    padding: 3px 10px;
    font-size: var(--font-size-xs);
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-secondary-light);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all var(--transition);
}
.tag:hover {
    background: rgba(59, 130, 246, 0.2);
    color: #fff;
}
.tag-gold {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-primary);
    border-color: rgba(245, 158, 11, 0.3);
}

/* ===== 列表 ===== */
.list-group {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.list-group-item {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}
.list-group-item:last-child { border-bottom: none; }
.list-group-item:hover { background: var(--bg-card-hover); }

/* ===== 表格 ===== */
.table-wrap { overflow-x: auto; }

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}
.table th, .table td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.table th {
    background: rgba(255, 255, 255, 0.02);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.table tr:hover td { background: var(--bg-card-hover); }
.table-striped tbody tr:nth-child(even) td { background: rgba(255, 255, 255, 0.01); }

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}
.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    background: var(--bg-card);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
}
a.page-btn:hover {
    border-color: rgba(245, 158, 11, 0.5);
    color: var(--color-primary);
    background: rgba(245, 158, 11, 0.05);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.15);
}
.page-btn.page-active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-color: transparent;
    color: #0a0a0a;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
    cursor: default;
}
.page-btn.page-disabled {
    opacity: 0.35;
    cursor: not-allowed;
    background: var(--bg-muted);
}
.page-btn.page-first,
.page-btn.page-last {
    min-width: 36px;
    padding: 0;
    font-size: 14px;
}
.page-btn.page-prev,
.page-btn.page-next {
    padding: 0 16px;
    font-weight: 500;
}
.page-dots {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 36px;
    color: var(--text-muted);
    font-size: 13px;
    letter-spacing: 2px;
}
.page-info {
    margin-left: 12px;
    padding-left: 12px;
    border-left: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    line-height: 36px;
}

/* ===== 提示 & 消息 ===== */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius);
    margin-bottom: var(--space-md);
    border: 1px solid;
    font-size: var(--font-size-sm);
}
.alert-success { background: rgba(16, 185, 129, 0.1); border-color: rgba(16, 185, 129, 0.3); color: var(--color-success); }
.alert-warning { background: rgba(245, 158, 11, 0.1); border-color: rgba(245, 158, 11, 0.3); color: var(--color-warning); }
.alert-danger { background: rgba(239, 68, 68, 0.1); border-color: rgba(239, 68, 68, 0.3); color: var(--color-danger); }
.alert-info { background: rgba(59, 130, 246, 0.1); border-color: rgba(59, 130, 246, 0.3); color: var(--color-info); }

.message-box {
    padding: var(--space-xl);
    text-align: center;
}
.message-box .icon {
    font-size: 48px;
    margin-bottom: var(--space-md);
}
.message-box h3 { margin-bottom: var(--space-sm); }
.message-box p { color: var(--text-secondary); margin-bottom: var(--space-lg); }

/* ===== 模态框 ===== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}
.modal {
    background: var(--bg-modal);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.2s ease;
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
.modal-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-title { font-size: var(--font-size-lg); font-weight: 600; margin: 0; }
.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}
.modal-close:hover { background: var(--bg-card-hover); color: var(--text-main); }
.modal-body { padding: var(--space-lg); }
.modal-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
}

/* ===== 间距工具类 ===== */
.m-0 { margin: 0; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mb-1 { margin-bottom: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mb-3 { margin-bottom: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }
.mb-5 { margin-bottom: var(--space-xl); }

.p-0 { padding: 0; }
.p-2 { padding: var(--space-sm); }
.p-3 { padding: var(--space-md); }
.p-4 { padding: var(--space-lg); }

.d-flex { display: flex; }
.d-block { display: block; }
.d-inline-block { display: inline-block; }
.d-none { display: none; }

.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.gap-1 { gap: var(--space-xs); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }
.gap-4 { gap: var(--space-lg); }

.w-100 { width: 100%; }
.w-auto { width: auto; }

.float-left { float: left; }
.float-right { float: right; }
.clearfix::after { content: ""; display: table; clear: both; }

/* ===== 首页板块导航 ===== */
.section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-md);
}

.section-card {
    display: flex;
    align-items: stretch;
    gap: var(--space-md);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.04), rgba(17, 24, 39, 0.8));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
}
.section-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.4), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}
.section-card::after {
    content: "";
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}
.section-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow:
        0 8px 25px -5px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(245, 158, 11, 0.15),
        0 0 40px rgba(245, 158, 11, 0.08);
}
.section-card:hover::before { opacity: 1; }
.section-card:hover::after { opacity: 1; }
.section-card:hover .section-icon {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
}

/* 左侧图标 */
.section-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.section-icon::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
}
.section-icon-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    z-index: 1;
}

/* 右侧内容区 */
.section-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.section-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 4px;
    line-height: 1.3;
    transition: color var(--transition);
}
.section-card:hover .section-title {
    color: var(--color-primary);
}

.section-desc {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.section-stats {
    display: flex;
    gap: var(--space-lg);
}
.section-stats .stat-item {
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.section-stats .stat-num {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}
.section-stats .stat-label {
    font-size: 11px;
    color: var(--text-muted);
}

/* ===== 帖子列表 ===== */
.thread-list { display: flex; flex-direction: column; }

.thread-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    margin: 0 calc(-1 * var(--space-lg));
    border-bottom: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}
.thread-item:last-child { border-bottom: none; }
.thread-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
}

.thread-avatar {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg-input);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 600;
    border: 1px solid var(--border);
}
.thread-avatar-primary {
    border-color: var(--color-primary);
}

.thread-main { flex: 1; min-width: 0; }
.thread-title {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}
.thread-title a { color: var(--text-main); }
.thread-title a:hover { color: var(--color-primary); }
.thread-meta {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    align-items: center;
}
.thread-meta a { color: var(--text-muted); }
.thread-meta a:hover { color: var(--color-primary); }

.thread-tags { display: flex; gap: 4px; flex-wrap: wrap; }

.thread-stats {
    flex-shrink: 0;
    text-align: right;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 70px;
}
.thread-stats .count {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-secondary);
    line-height: 1.2;
}
.thread-stats .stat-label {
    font-size: 11px;
    color: var(--text-muted);
}

/* ===== 侧栏 ===== */
.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    overflow: hidden;
    transition: all var(--transition);
    position: relative;
    box-shadow:
        0 1px 3px rgba(0, 0, 0, 0.3),
        0 4px 12px rgba(0, 0, 0, 0.15);
}
.sidebar-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    pointer-events: none;
}
.sidebar-card:hover {
    border-color: var(--border-light);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.4),
        0 12px 32px rgba(0, 0, 0, 0.25);
}
.sidebar-card .card-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border);
}
.sidebar-card .card-body { padding: var(--space-md) var(--space-lg); }

.sidebar-list li {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border);
    font-size: var(--font-size-sm);
}
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a { color: var(--text-secondary); display: flex; align-items: center; gap: 10px; }
.sidebar-list a:hover { color: var(--color-primary); }

/* 快速入口小圆点图标 */
.quick-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    transition: all 0.2s ease;
    box-shadow: 0 0 6px currentColor;
}
.sidebar-list a:hover .quick-dot {
    transform: scale(1.3);
}
.dot-gold { background: var(--color-primary); color: rgba(245, 158, 11, 0.5); }
.dot-blue { background: var(--color-secondary); color: rgba(59, 130, 246, 0.5); }
.dot-green { background: var(--color-success); color: rgba(16, 185, 129, 0.5); }
.dot-purple { background: #8B5CF6; color: rgba(139, 92, 246, 0.5); }
.dot-cyan { background: #06B6D4; color: rgba(6, 182, 212, 0.5); }
.dot-red { background: var(--color-danger); color: rgba(239, 68, 68, 0.5); }

/* ===== 论坛页面 ===== */
.section-moderators {
    padding: 0 var(--space-lg) var(--space-md);
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-sm);
}
.section-moderators .text-muted { font-size: var(--font-size-sm); }

.badge-mod {
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-secondary-light);
    border-color: rgba(59, 130, 246, 0.3);
}

.thread-item .thread-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

/* ===== 用户中心 ===== */
.user-profile-header {
    background: linear-gradient(135deg, var(--bg-card), var(--bg-header));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.user-avatar-lg {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg-input);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    flex-shrink: 0;
}

.user-info h2 { margin-bottom: var(--space-xs); }
.user-info .user-bio { color: var(--text-secondary); margin-bottom: var(--space-sm); }
.user-stats-row {
    display: flex;
    gap: var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}
.user-stats-row .stat-value { color: var(--text-main); font-weight: 600; }

/* ===== 交易/商品卡片 ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-md);
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    cursor: pointer;
}
.product-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.product-thumb {
    aspect-ratio: 4/3;
    background: var(--bg-input);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    position: relative;
    overflow: hidden;
}
.product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-body { padding: var(--space-md); }
.product-title {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: var(--space-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.product-price {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
}
.product-price small { font-size: var(--font-size-xs); font-weight: 400; }
.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-sm);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ===== VIP / 升级提示 ===== */
.vip-banner {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(239, 68, 68, 0.1));
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    margin-bottom: var(--space-lg);
}
.vip-banner h3 { color: var(--color-primary); margin-bottom: var(--space-xs); }
.vip-banner p { color: var(--text-secondary); font-size: var(--font-size-sm); margin-bottom: var(--space-md); }

/* ===== 代码块 ===== */
pre, code {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
}
pre {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-md);
    overflow-x: auto;
    margin-bottom: var(--space-md);
}
code {
    background: var(--bg-input);
    padding: 2px 6px;
    border-radius: 3px;
    color: var(--color-primary-light);
    font-size: 0.9em;
}

/* ===== 引用块 ===== */
blockquote {
    border-left: 3px solid var(--color-primary);
    padding: var(--space-sm) var(--space-md);
    margin: var(--space-md) 0;
    background: rgba(245, 158, 11, 0.05);
    color: var(--text-secondary);
    border-radius: 0 var(--radius) var(--radius) 0;
}

/* ===== 加载动画 ===== */
.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .col-2-3, .col-1-4, .col-3-4 { flex: 0 0 100%; }
    .col-main, .col-side { flex: 0 0 100%; }
    .main-nav { order: 3; flex-basis: 100%; padding-bottom: var(--space-sm); }
    .header-inner { flex-wrap: wrap; height: auto; padding: var(--space-sm) 0; }
    .section-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    :root { --container: 100%; }
    .col-2, .col-3, .col-4 { flex: 0 0 100%; }
    .section-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .thread-stats { display: none; }
    .thread-item {
        padding: var(--space-sm) var(--space-md);
        margin: 0 calc(-1 * var(--space-md));
        gap: var(--space-sm);
    }
    .thread-avatar { width: 36px; height: 36px; font-size: var(--font-size-xs); }
    .user-profile-header { flex-direction: column; text-align: center; }
    h1 { font-size: var(--font-size-2xl); }
    h2 { font-size: var(--font-size-xl); }
}

@media (max-width: 480px) {
    .section-grid { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: 1fr; }
    .card-body { padding: var(--space-md); }
    .sidebar-card .card-header,
    .sidebar-card .card-body { padding-left: var(--space-md); padding-right: var(--space-md); }
    .search-bar .form-control { min-width: 100%; }
}

/* ===== 细节效果 ===== */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glow-border {
    position: relative;
}
.glow-border::after {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.divider {
    height: 1px;
    background: var(--border);
    margin: var(--space-lg) 0;
}

.ellipsis {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== 置顶/精华标识 ===== */
.thread-pinned, .thread-digest {
    display: inline-block;
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 3px;
    font-weight: 600;
    margin-right: 4px;
    vertical-align: middle;
}
.thread-pinned {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}
.thread-digest {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-primary);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* ===== 热门排行 ===== */
.hot-list { display: flex; flex-direction: column; }

.hot-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}
.hot-item:last-child { border-bottom: none; }
.hot-item:hover { background: var(--bg-card-hover); margin: 0 calc(-1 * var(--space-lg)); padding-left: var(--space-lg); padding-right: var(--space-lg); }

.hot-rank {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: 700;
    background: var(--bg-input);
    color: var(--text-muted);
    border-radius: var(--radius-sm);
}
.hot-rank.hot-top {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
}

.hot-info { flex: 1; min-width: 0; }
.hot-title {
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: 2px;
}
.hot-title a { color: var(--text-main); }
.hot-title a:hover { color: var(--color-primary); }
.hot-meta {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ===== 标签云 ===== */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.tag-cloud-item {
    color: var(--text-secondary);
    transition: all var(--transition);
    line-height: 1.8;
}
.tag-cloud-item:hover {
    color: var(--color-primary);
}

/* ===== 广告位 ===== */
.ad-banner {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}
.ad-banner img { width: 100%; display: block; }

.ad-sidebar-img {
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
}
.ad-sidebar-img img { width: 100%; display: block; }

/* ===== 公告栏 ===== */
.announcement-bar {
    background: rgba(245, 158, 11, 0.06);
    border-bottom: 1px solid rgba(245, 158, 11, 0.2);
    padding: 8px 0;
    font-size: var(--font-size-sm);
}
.announcement-bar .container {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    position: relative;
}
.announcement-item { display: none; flex: 1; color: var(--text-secondary); }
.announcement-item.active { display: flex; align-items: center; gap: var(--space-sm); }
.ann-tag {
    flex-shrink: 0;
    padding: 2px 8px;
    background: var(--color-primary);
    color: var(--text-inverse);
    border-radius: 3px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}
.ann-tag.ann-type-important { background: var(--color-danger); }
.ann-tag.ann-type-maintenance { background: var(--color-info); }
.ann-title { color: var(--text-main); font-weight: 500; }
.ann-content { color: var(--text-secondary); }
.ann-prev, .ann-next {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.ann-prev:hover, .ann-next:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ===== 邮箱验证提示 ===== */
.verify-notice {
    background: rgba(239, 68, 68, 0.08);
    border-bottom: 1px solid rgba(239, 68, 68, 0.2);
    padding: 10px 0;
    font-size: var(--font-size-sm);
}
.verify-notice-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    color: var(--color-danger);
}

/* ===== 购物车/消息徽章 ===== */
.cart-badge, .notice-dot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: var(--color-danger);
    color: #fff;
    border-radius: 8px;
    font-size: 10px;
    font-weight: 600;
    margin-left: 2px;
}

/* ===== VIP 徽章 ===== */
.vip-badge {
    display: inline-block;
    padding: 1px 6px;
    font-size: 10px;
    font-weight: 700;
    border-radius: 3px;
    margin-left: 4px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    letter-spacing: 0.5px;
}
.vip-badge-2 { background: linear-gradient(135deg, #8B5CF6, #EC4899); }
.vip-badge-3 { background: linear-gradient(135deg, #EF4444, #F59E0B); }

/* ===== 页面包装器（确保 footer 在底部） ===== */
body { display: flex; flex-direction: column; min-height: 100vh; }
.site-header { flex-shrink: 0; }
main.container { flex: 1 0 auto; }
.site-footer { flex-shrink: 0; }

/* ===== mb/mt 工具类补充 ===== */
.mb-3 { margin-bottom: var(--space-md); }
.mt-3 { margin-top: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mt-4 { margin-top: var(--space-lg); }

/* ===== 页脚网格 ===== */
.footer-grid {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
}
.footer-section h4 {
    font-size: var(--font-size-base);
    color: var(--text-main);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border);
}
.footer-section ul { list-style: none; }
.footer-section li { margin-bottom: var(--space-xs); }
.footer-section a {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}
.footer-section a:hover { color: var(--color-primary); }
.footer-section p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-xs);
}

.friend-category {
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
    line-height: 1.8;
}
.friend-category strong {
    color: var(--text-secondary);
    font-weight: 500;
    margin-right: 4px;
}
.friend-category a {
    color: var(--text-muted);
    margin-right: 8px;
}
.friend-category a:hover { color: var(--color-primary); }

/* ===== Lightbox ===== */
.image-lightbox {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    cursor: zoom-out;
}
.image-lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--radius);
}
.image-lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 32px;
    cursor: pointer;
    line-height: 1;
}

/* ===== 轮播 ===== */
.image-carousel {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}
.carousel-track {
    display: flex;
    transition: transform 0.3s ease;
}
.carousel-slide {
    flex: 0 0 100%;
    aspect-ratio: 16/9;
    background: var(--bg-input);
    display: flex;
    align-items: center;
    justify-content: center;
}
.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
}
.carousel-btn:hover { background: rgba(0, 0, 0, 0.7); }
.carousel-btn.prev { left: 10px; }
.carousel-btn.next { right: 10px; }
.carousel-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
}
.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all var(--transition);
}
.carousel-dot.active {
    background: #fff;
    width: 20px;
    border-radius: 4px;
}

/* ===== 筛选栏 ===== */
.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.01);
}
.filter-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    flex-shrink: 0;
}
.price-custom {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-left: var(--space-sm);
}
.price-input {
    width: 80px;
    padding: 4px 8px;
    font-size: var(--font-size-sm);
}

/* ===== 已解锁卡片 ===== */
.unlock-card {
    margin: 0 var(--space-lg) var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius);
}
.unlock-card h4 {
    margin: 0 0 var(--space-sm) 0;
    font-size: var(--font-size-base);
}

/* ===== 空状态 ===== */
.empty-state {
    padding: var(--space-2xl);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* ===== 交易商品网格 ===== */
.trade-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    padding: var(--space-lg);
}

.trade-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}
.trade-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.trade-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.trade-card-image {
    width: 100%;
    height: 140px;
    background: var(--bg-input);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: var(--font-size-2xl);
    overflow: hidden;
}
.trade-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.trade-card-body {
    padding: var(--space-md);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.trade-card-category {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-secondary-light);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    align-self: flex-start;
}

.trade-card-title {
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.trade-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: auto;
}
.seller-link {
    color: var(--text-secondary);
    text-decoration: none;
}
.seller-link:hover {
    color: var(--color-primary);
}

.trade-card-footer {
    padding: var(--space-sm) var(--space-md);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 0, 0, 0.2);
}

.trade-card-price {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.buy-form {
    display: inline;
}

/* ============================================================
   补充组件样式
   ============================================================ */

/* ===== 排行榜样式 ===== */
.rank-list {
    display: flex;
    flex-direction: column;
}

.rank-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border);
    transition: all var(--transition);
}
.rank-item:last-child { border-bottom: none; }
.rank-item:hover {
    background: var(--bg-card-hover);
    margin: 0 calc(-1 * var(--space-lg));
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
    border-radius: var(--radius);
}

/* 排名数字 */
.rank-number {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 700;
    background: var(--bg-input);
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}
/* 第1名 - 金色 */
.rank-item:nth-child(1) .rank-number {
    background: linear-gradient(135deg, #FCD34D, #F59E0B);
    color: var(--text-inverse);
    border-color: #F59E0B;
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.4);
}
/* 第2名 - 银色 */
.rank-item:nth-child(2) .rank-number {
    background: linear-gradient(135deg, #E5E7EB, #9CA3AF);
    color: var(--text-inverse);
    border-color: #9CA3AF;
    box-shadow: 0 0 10px rgba(156, 163, 175, 0.3);
}
/* 第3名 - 铜色 */
.rank-item:nth-child(3) .rank-number {
    background: linear-gradient(135deg, #F59E0B, #B45309);
    color: var(--text-inverse);
    border-color: #B45309;
    box-shadow: 0 0 10px rgba(180, 83, 9, 0.3);
}

/* 缩略图 */
.rank-thumb {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--bg-input);
    overflow: hidden;
    border: 1px solid var(--border);
}
.rank-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 信息区 */
.rank-info {
    flex: 1;
    min-width: 0;
}
.rank-title {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}
.rank-title a { color: var(--text-main); }
.rank-title a:hover { color: var(--color-primary); }

.rank-meta {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    align-items: center;
}
.rank-meta a { color: var(--text-muted); }
.rank-meta a:hover { color: var(--color-primary); }

/* 统计数据 */
.rank-stats {
    flex-shrink: 0;
    text-align: right;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 70px;
}
.rank-stats .count {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.2;
}
.rank-stats .stat-label {
    font-size: 11px;
    color: var(--text-muted);
}

/* ===== 登录/注册页面样式 ===== */
.auth-page {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: all var(--transition-slow);
}
.auth-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-primary));
    background-size: 200% 100%;
    animation: goldShine 3s ease infinite;
}
@keyframes goldShine {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}
.auth-card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-glow);
}

/* 卡片头部 */
.auth-header {
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
    text-align: center;
}
.auth-header .brand {
    justify-content: center;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-sm);
}
.auth-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}
.auth-header p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
}

/* 表单区域 */
.auth-form {
    padding: 0 var(--space-xl) var(--space-lg);
}
.auth-form .form-group { margin-bottom: var(--space-md); }
.auth-form .form-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}
.auth-form .btn-block {
    margin-top: var(--space-md);
    padding: 12px 20px;
    font-size: var(--font-size-base);
}

/* 卡片底部 */
.auth-footer {
    padding: var(--space-md) var(--space-xl) var(--space-xl);
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}
.auth-footer a {
    color: var(--color-primary);
    font-weight: 500;
}
.auth-footer a:hover {
    color: var(--color-primary-light);
    text-decoration: underline;
}
.auth-footer .divider-text {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin: var(--space-md) 0;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}
.auth-footer .divider-text::before,
.auth-footer .divider-text::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ===== 验证码图片 ===== */
.captcha-img {
    height: 38px;
    cursor: pointer;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    flex-shrink: 0;
    transition: border-color var(--transition);
}
.captcha-img:hover {
    border-color: var(--color-primary);
}

/* ===== 工具卡片样式（GM工具页） ===== */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.tool-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}
.tool-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}
.tool-card:hover::before {
    opacity: 1;
}

/* 工具图标 */
.tool-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(239, 68, 68, 0.1));
    border: 1px solid rgba(245, 158, 11, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: var(--space-xs);
    transition: all var(--transition);
}
.tool-card:hover .tool-icon {
    transform: scale(1.08);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
}

/* 工具标题 */
.tool-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-main);
    margin: 0;
}

/* 工具描述 */
.tool-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
    margin-bottom: var(--space-sm);
}

.tool-card .btn {
    align-self: flex-start;
    margin-top: auto;
}

/* ===== GM工具 - 新版紧凑布局 ===== */

/* 顶部筛选栏 */
.tools-filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.tools-cats {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}
.tools-cat-item {
    padding: 6px 14px;
    font-size: 13px;
    color: var(--text-secondary);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
}
.tools-cat-item:hover {
    background: var(--bg-muted);
    color: var(--text-main);
}
.tools-cat-item.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #0a0a0a;
    font-weight: 600;
}
.tools-filter-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.tools-search {
    position: relative;
}
.tools-search-input {
    width: 200px;
    height: 34px;
    padding: 0 12px;
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 13px;
    outline: none;
    transition: all 0.2s;
}
.tools-search-input:focus {
    border-color: var(--color-primary);
    background: var(--bg-card);
}
.tools-sort {
    height: 34px;
    padding: 0 10px;
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    outline: none;
}
.tools-sort:hover {
    border-color: var(--color-primary);
}
.tools-share-btn {
    height: 34px;
    padding: 0 16px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border: none;
    border-radius: 8px;
    color: #0a0a0a;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: all 0.2s;
}
.tools-share-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

/* 紧凑工具卡片 - 横排布局 */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}
.tool-card-compact {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    display: flex;
    gap: 12px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.tool-card-compact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    opacity: 0;
    transition: opacity 0.25s;
}
.tool-card-compact:hover {
    border-color: rgba(245, 158, 11, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(245, 158, 11, 0.08);
}
.tool-card-compact:hover::before {
    opacity: 1;
}
.tool-card-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.05));
    border: 1px solid rgba(245, 158, 11, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    transition: transform 0.25s;
}
.tool-card-compact:hover .tool-card-icon {
    transform: scale(1.08);
}
.tool-card-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.tool-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.tool-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}
.tool-card-cat {
    font-size: 11px;
    padding: 2px 8px;
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-primary);
    border-radius: 4px;
    flex-shrink: 0;
}
.tool-card-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.tool-card-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 4px;
}
.tool-card-stats {
    display: flex;
    gap: 10px;
    font-size: 11px;
    color: var(--text-muted);
}
.tool-card-download {
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 6px;
    color: #0a0a0a;
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    flex-shrink: 0;
}
.tool-card-download:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

/* ===== 通用组件补充说明 =====
   以下组件已在上方定义，此处不再重复：
   - .pagination（分页）- 第552行附近
   - .alert / .alert-danger / .alert-success / .alert-warning（提示框）- 第589行附近
   - .badge / .badge-primary / .badge-success / .badge-danger（徽章）- 第473行附近
   - .text-center / .text-right / .text-left（文字对齐）- 第450行附近
   - .mt-0 ~ .mt-4 / .mb-0 ~ .mb-4（间距工具类）- 第667行附近
*/

/* ===== 页面标题栏 ===== */
.page-header-bar {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(59, 130, 246, 0.06));
    border-bottom: 1px solid var(--border);
    padding: var(--space-xl) 0;
    margin-bottom: var(--space-lg);
}
.page-header-bar .page-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-xs);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.page-header-bar .page-desc {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* ===== 筛选栏补充 ===== */
.filter-select {
    max-width: 140px;
    flex-shrink: 0;
}

/* ===== 表单网格布局 ===== */
.form-grid-2 {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-md);
}
.form-grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-md);
}

/* ===== 工具卡片元信息 ===== */
.tool-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}
.tool-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.tool-category {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-secondary-light);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    border: 1px solid rgba(59, 130, 246, 0.2);
    margin-right: var(--space-xs);
}

.tool-version {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: normal;
    margin-left: var(--space-xs);
}

/* ===== 侧栏温馨提示 ===== */
.sidebar-tips p {
    margin-bottom: var(--space-sm);
    line-height: 1.8;
}
.sidebar-tips p:last-child {
    margin-bottom: 0;
}

/* ===== 响应式补充 ===== */
@media (max-width: 1200px) {
    .tool-grid { grid-template-columns: repeat(3, 1fr); }
    .trade-grid { grid-template-columns: repeat(3, 1fr); }
    .task-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .rank-stats { display: none; }
    .rank-thumb { width: 40px; height: 40px; }
    .rank-item { padding: var(--space-sm) 0; gap: var(--space-sm); }

    .auth-card { border-radius: var(--radius-lg); }
    .auth-header { padding: var(--space-lg) var(--space-md) var(--space-md); }
    .auth-form { padding: 0 var(--space-md) var(--space-md); }
    .auth-footer { padding: var(--space-md) var(--space-md) var(--space-lg); }

    .tool-grid { grid-template-columns: repeat(2, 1fr); }
    .trade-grid { grid-template-columns: repeat(2, 1fr); }
    .task-grid { grid-template-columns: repeat(2, 1fr); }
    .tool-card { padding: var(--space-md); }
    .tool-icon { width: 44px; height: 44px; font-size: 22px; }
    .tool-title { font-size: var(--font-size-base); }

    .tools-filter-bar { flex-direction: column; align-items: stretch; }
    .tools-filter-right { justify-content: space-between; }
    .tools-search-input { width: 100%; }
}

@media (max-width: 480px) {
    .tool-grid { grid-template-columns: 1fr; }
    .trade-grid { grid-template-columns: 1fr; }
    .task-grid { grid-template-columns: 1fr; }
    .rank-thumb { display: none; }
}

/* ===== 交易大厅 - 新版紧凑布局 ===== */

/* 二级筛选栏 */
.trade-sub-filter {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 16px;
    margin-top: -8px;
    flex-wrap: wrap;
}
.price-tabs {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.price-tab {
    padding: 4px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
    background: var(--bg-muted);
    border: 1px solid transparent;
}
.price-tab:hover {
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--color-primary);
}
.price-tab.active {
    background: rgba(245, 158, 11, 0.15);
    border-color: var(--color-primary);
    color: var(--color-primary);
    font-weight: 500;
}
.price-custom-input {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: 8px;
    padding-left: 12px;
    border-left: 1px solid var(--border);
}
.price-custom-input input {
    width: 60px;
    height: 28px;
    padding: 0 8px;
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-main);
    font-size: 12px;
    outline: none;
}
.price-custom-input input:focus {
    border-color: var(--color-primary);
}
.price-custom-input span {
    color: var(--text-muted);
    font-size: 12px;
}
.price-custom-input button {
    height: 28px;
    padding: 0 12px;
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}
.price-custom-input button:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* 紧凑交易卡片 - 横排缩略图布局 */
.trade-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}
.trade-card-compact {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: relative;
}
.trade-card-compact:hover {
    border-color: rgba(245, 158, 11, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(245, 158, 11, 0.08);
}
.trade-card-thumb {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--bg-muted);
    display: block;
    flex-shrink: 0;
}
.trade-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}
.trade-card-compact:hover .trade-card-thumb img {
    transform: scale(1.06);
}
.trade-card-info {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.trade-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.trade-card-cat {
    font-size: 11px;
    padding: 2px 8px;
    background: rgba(59, 130, 246, 0.1);
    color: #60A5FA;
    border-radius: 4px;
}
.trade-card-price {
    font-size: 16px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}
.trade-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    text-decoration: none;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s;
}
.trade-card-title:hover {
    color: var(--color-primary);
}
.trade-card-meta {
    display: flex;
    gap: 12px;
    font-size: 11px;
    color: var(--text-muted);
}
.trade-card-action {
    margin-top: auto;
    padding-top: 4px;
}
.trade-card-btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 6px 0;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    background: transparent;
    cursor: pointer;
    transition: all 0.2s;
}
.trade-card-btn.primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-color: transparent;
    color: #0a0a0a;
    font-weight: 600;
}
.trade-card-btn.primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}
.trade-card-btn.success {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.3);
    color: #34D399;
    font-weight: 500;
    cursor: default;
}
.buy-form {
    margin: 0;
}

/* ============================================================
   任务中心 - 精致黑金风
   设计原则：少即是多，信息分层，视觉聚焦
   ============================================================ */

/* ===== 页面头部 ===== */
.task-page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 28px;
    gap: var(--space-md);
}
.task-page-title {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 6px;
    letter-spacing: -1px;
    line-height: 1.2;
}
.task-page-title .accent {
    background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.task-page-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}
.task-header-actions {
    flex-shrink: 0;
}
.btn-primary-gradient {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    color: #fff;
    border: none;
    padding: 10px 22px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-primary-gradient:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
}
.btn-primary-gradient:active {
    transform: translateY(0);
}

/* ===== 筛选栏 ===== */
.task-filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.task-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-card);
    padding: 4px;
    border-radius: 10px;
    border: 1px solid var(--border);
}
.task-tab {
    padding: 8px 18px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 7px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}
.task-tab:hover {
    color: var(--text-main);
    background: var(--bg-card-hover);
}
.task-tab.active {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    color: #fff;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}
.task-search {
    position: relative;
    min-width: 220px;
}
.task-search input {
    width: 100%;
    padding: 9px 14px 9px 38px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 13px;
    outline: none;
    transition: all 0.2s ease;
}
.task-search input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}
.task-search::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    opacity: 0.5;
}

/* ===== 任务卡片网格 ===== */
.task-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

/* 卡片本体 */
.task-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}
.task-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    opacity: 0;
    transition: opacity 0.25s ease;
}
.task-card:hover {
    border-color: rgba(245, 158, 11, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(245, 158, 11, 0.08);
}
.task-card:hover::before {
    opacity: 1;
}

/* 封面区 */
.task-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1f2e 0%, #0f1419 100%);
}
.task-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.task-card:hover .task-cover img {
    transform: scale(1.06);
}

/* 无图封面：分类图标+渐变 */
.task-cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    background: linear-gradient(135deg, #1a1f2e 0%, #0f1419 100%);
    position: relative;
}
.task-cover-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(245, 158, 11, 0.1), transparent 60%);
}

/* 状态徽章（右上角） */
.task-status-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 3px 8px;
    font-size: 10px;
    font-weight: 600;
    border-radius: 20px;
    backdrop-filter: blur(8px);
    z-index: 2;
    letter-spacing: 0.3px;
}
.status-open {
    background: rgba(59, 130, 246, 0.85);
    color: #fff;
}
.status-ongoing {
    background: rgba(245, 158, 11, 0.85);
    color: #fff;
}
.status-completed {
    background: rgba(16, 185, 129, 0.85);
    color: #fff;
}

/* 卡片内容 */
.task-body {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.task-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    margin: 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 39px;
    transition: color 0.2s ease;
}
.task-card:hover .task-title {
    color: var(--color-primary-light);
}

.task-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 卡片底部 */
.task-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}
.task-reward {
    display: flex;
    align-items: baseline;
    gap: 4px;
}
.task-reward-value {
    font-size: 15px;
    font-weight: 700;
    background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.task-reward-label {
    font-size: 11px;
    color: var(--text-muted);
}
.task-meta {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== 空状态 ===== */
.task-empty {
    text-align: center;
    padding: 80px 20px;
    background: var(--bg-card);
    border-radius: 14px;
    border: 1px solid var(--border);
}
.task-empty-icon {
    font-size: 56px;
    margin-bottom: 16px;
    opacity: 0.6;
}
.task-empty-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-main);
    margin: 0 0 8px;
}
.task-empty-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0 0 20px;
}

/* ============================================================
   任务详情页
   ============================================================ */

/* 面包屑 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
}
.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}
.breadcrumb a:hover {
    color: var(--color-primary);
}

/* 详情布局 */
.task-detail-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    align-items: start;
}

/* 主内容区 */
.task-detail-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 主卡 - 标题+描述 */
.task-detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
}
.task-detail-header {
    padding: 28px 28px 20px;
    border-bottom: 1px solid var(--border);
}
.task-detail-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 14px;
}
.task-detail-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 14px;
    line-height: 1.4;
    letter-spacing: -0.5px;
}
.task-detail-author {
    display: flex;
    align-items: center;
    gap: 10px;
}
.task-detail-author .avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}
.author-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.author-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
}
.author-time {
    font-size: 12px;
    color: var(--text-muted);
}

/* 图片区 */
.task-detail-images {
    padding: 20px 28px;
    border-bottom: 1px solid var(--border);
}
.task-image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}
.task-image-item {
    aspect-ratio: 1;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    background: var(--bg-input);
    transition: transform 0.25s ease;
}
.task-image-item:hover {
    transform: scale(1.02);
}
.task-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 描述区 */
.task-detail-desc {
    padding: 24px 28px 28px;
}
.section-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 14px;
}
.section-label::before {
    content: '';
    width: 3px;
    height: 14px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-dark));
    border-radius: 2px;
}
.task-desc-text {
    color: var(--text-secondary);
    line-height: 1.9;
    font-size: 14px;
    white-space: pre-wrap;
    word-break: break-word;
}

/* 时间线 */
.task-timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px 28px;
}
.timeline-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}
.timeline-item {
    display: flex;
    gap: 14px;
    position: relative;
    padding-bottom: 20px;
}
.timeline-item:last-child {
    padding-bottom: 0;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 32px;
    bottom: 0;
    width: 2px;
    background: var(--border);
}
.timeline-item:last-child::before {
    display: none;
}
.timeline-item.done::before {
    background: linear-gradient(to bottom, var(--color-primary), var(--border));
}
.timeline-dot {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-input);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}
.timeline-item.done .timeline-dot {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.15);
}
.timeline-content {
    flex: 1;
    padding-top: 4px;
}
.timeline-action {
    font-weight: 600;
    color: var(--text-main);
    font-size: 14px;
    margin-bottom: 4px;
}
.timeline-item.done .timeline-action {
    color: var(--color-primary-light);
}
.timeline-meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.timeline-meta .user {
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===== 右侧边栏 ===== */
.task-detail-sidebar {
    position: sticky;
    top: 80px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 奖励卡 */
.reward-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
}
.reward-card-header {
    padding: 20px;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, transparent 100%);
    border-bottom: 1px solid var(--border);
}
.reward-amount-main {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 10px;
}
.reward-amount-main .value {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}
.reward-amount-main .label {
    font-size: 13px;
    color: var(--text-muted);
}
.reward-deposit-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    padding-top: 10px;
    border-top: 1px dashed var(--border);
}
.reward-deposit-row .label {
    color: var(--text-muted);
}
.reward-deposit-row .value {
    color: var(--color-warning);
    font-weight: 600;
}
.reward-card-body {
    padding: 16px 20px 20px;
}
.reward-note {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 14px;
    padding: 10px 12px;
    background: rgba(59, 130, 246, 0.06);
    border-radius: 8px;
    border-left: 3px solid var(--color-secondary);
}

/* 按钮组 */
.action-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.btn-block {
    width: 100%;
    justify-content: center;
}
.btn-lg {
    padding: 12px 20px;
    font-size: 14px;
    border-radius: 10px;
}

/* 完成状态 */
.completed-state {
    text-align: center;
    padding: 20px 0;
}
.completed-state .icon {
    font-size: 48px;
    margin-bottom: 10px;
}
.completed-state .text {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-success);
}

/* 人员信息卡 */
.person-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 20px;
}
.person-card-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 14px;
}
.person-info {
    display: flex;
    align-items: center;
    gap: 12px;
}
.person-info .avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}
.person-details {
    flex: 1;
    min-width: 0;
}
.person-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 4px;
}
.person-meta {
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================================
   发布/编辑表单
   ============================================================ */

.task-form-container {
    max-width: 760px;
    margin: 0 auto;
}
.task-form-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}
.task-form-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
}

/* 表单分组卡片 */
.form-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 20px;
    overflow: hidden;
}
.form-section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 22px;
    border-bottom: 1px solid var(--border);
    background: rgba(245, 158, 11, 0.03);
}
.form-section-icon {
    font-size: 18px;
}
.form-section-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin: 0;
}
.form-section-body {
    padding: 22px;
}

/* 表单行 */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 18px;
}
.form-row:last-child {
    margin-bottom: 0;
}
.form-group {
    margin-bottom: 18px;
}
.form-group:last-child {
    margin-bottom: 0;
}
.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.form-label .required {
    color: var(--color-danger);
    margin-left: 2px;
}
.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 9px;
    color: var(--text-main);
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
    box-sizing: border-box;
}
.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

/* ============================================================
   广告系统
   ============================================================ */

/* 通用广告容器 */
.ad-slot {
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-md);
    position: relative;
}
.ad-image-link {
    display: block;
    width: 100%;
    text-decoration: none;
}
.ad-image-link img {
    width: 100%;
    height: auto;
    display: block;
    transition: opacity 0.2s ease;
}
.ad-image-link:hover img {
    opacity: 0.9;
}
.ad-text-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
}
.ad-text-link:hover {
    color: var(--color-primary);
}
.ad-code { width: 100%; overflow: hidden; }

/* 顶部通栏 Banner */
.ad-top-banner {
    margin: 0 auto var(--space-md);
    max-width: 1200px;
    border-radius: var(--radius-md);
    overflow: hidden;
}
.ad-top-banner img {
    width: 100%;
    height: 80px;
    object-fit: cover;
}

/* 顶部通栏轮播 */
.ad-carousel {
    position: relative;
}
.ad-carousel-track {
    position: relative;
    height: 80px;
    overflow: hidden;
}
.ad-carousel-item {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}
.ad-carousel-item.active {
    opacity: 1;
    z-index: 1;
}
.ad-carousel-item img {
    width: 100%;
    height: 80px;
    object-fit: cover;
}
.ad-carousel-dots {
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 2;
}
.ad-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all 0.2s ease;
}
.ad-dot.active {
    background: var(--color-primary);
    width: 18px;
    border-radius: 3px;
}

/* 首页首屏轮播 */
.ad-hero-slider {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-lg);
    background: var(--bg-card);
}
.ad-hero-track {
    position: relative;
    height: 280px;
    overflow: hidden;
}
.ad-hero-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
}
.ad-hero-slide.active {
    opacity: 1;
    z-index: 1;
}
.ad-hero-slide a {
    display: block;
    width: 100%;
    height: 100%;
}
.ad-hero-img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}
.ad-hero-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 2;
}
.ad-hero-dots .ad-dot {
    width: 10px;
    height: 10px;
    background: rgba(255,255,255,0.4);
}
.ad-hero-dots .ad-dot.active {
    background: var(--color-primary);
    width: 28px;
    border-radius: 5px;
}
.ad-hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0,0,0,0.4);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 16px;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}
.ad-hero-arrow:hover {
    background: rgba(245,158,11,0.7);
}
.ad-hero-arrow.prev { left: 12px; }
.ad-hero-arrow.next { right: 12px; }

/* 信息流原生广告 */
.ad-native-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.25s ease;
}
.ad-native-card:hover {
    border-color: rgba(245, 158, 11, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.ad-native-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    text-decoration: none;
    color: inherit;
}
.ad-native-thumb {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bg-elev);
}
.ad-native-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.ad-native-body {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
.ad-native-tag {
    flex-shrink: 0;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #000;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}
.ad-native-title {
    font-size: 13px;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ad-native-card:hover .ad-native-title {
    color: var(--color-primary);
}

/* 详情页顶部横幅 */
.ad-detail-banner {
    margin-bottom: var(--space-md);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.ad-detail-banner img {
    width: 100%;
    height: 100px;
    object-fit: cover;
}

/* 页脚文字链 */
.ad-footer-links {
    text-align: center;
    padding: var(--space-md) 0;
    border-top: 1px solid var(--border);
    margin-bottom: var(--space-md);
}
.ad-footer-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-right: 12px;
}
.ad-footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 12px;
    margin: 0 8px;
    transition: color 0.2s ease;
}
.ad-footer-link:hover {
    color: var(--color-primary);
}

/* 侧栏方块广告 */
.ad-side-square {
    margin-bottom: var(--space-md);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
}
.ad-side-square .ad-image-link {
    display: block;
}
.ad-side-square img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 300 / 250;
    object-fit: cover;
}
.ad-side-square .ad-label {
    font-size: 11px;
    color: var(--text-muted);
    padding: 6px 10px;
    text-align: right;
    background: var(--bg-elev);
}

/* 横排胶囊式文字链广告 */
.ad-nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: var(--space-md);
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}
.ad-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.25s ease;
    white-space: nowrap;
}
.ad-nav-link:hover {
    color: var(--color-primary);
    border-color: rgba(245, 158, 11, 0.4);
    background: rgba(245, 158, 11, 0.08);
    transform: translateY(-1px);
}
.ad-nav-icon {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
}
.ad-nav-text {
    line-height: 1;

/* 响应式 */
@media (max-width: 768px) {
    .ad-hero-track { height: 160px; }
    .ad-hero-img { height: 160px; }
    .ad-top-banner img { height: 60px; }
    .ad-carousel-track { height: 60px; }
    .ad-carousel-item img { height: 60px; }
    .ad-detail-banner img { height: 70px; }
}
textarea.form-control {
    resize: vertical;
    min-height: 120px;
    line-height: 1.7;
    font-family: inherit;
}
.form-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 8px;
    line-height: 1.5;
}

/* 金币设置组 */
.coin-settings {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.coin-input-card {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    transition: border-color 0.2s ease;
}
.coin-input-card:focus-within {
    border-color: var(--color-primary);
}
.coin-input-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.coin-input-card input {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 22px;
    font-weight: 700;
    outline: none;
    padding: 0;
}
.coin-input-card input::-webkit-outer-spin-button,
.coin-input-card input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.coin-input-note {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 6px;
    line-height: 1.5;
}

/* 图片上传区 */
.image-upload-area {
    border: 2px dashed var(--border);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
    background: var(--bg-input);
}
.image-upload-area:hover {
    border-color: var(--color-primary);
    background: rgba(245, 158, 11, 0.04);
}
.image-upload-icon {
    font-size: 36px;
    margin-bottom: 10px;
    opacity: 0.6;
}
.image-upload-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}
.image-upload-hint {
    font-size: 12px;
    color: var(--text-muted);
}
.image-upload-area input[type="file"] {
    display: none;
}

/* 已有图片编辑 */
.image-edit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}
.image-edit-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid var(--border);
    transition: border-color 0.2s;
    aspect-ratio: 1;
}
.image-edit-item:has(input:checked) {
    border-color: var(--color-primary);
}
.image-edit-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.image-edit-item input[type="checkbox"] {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
    cursor: pointer;
}
.image-edit-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-size: 11px;
    text-align: center;
    padding: 4px 0;
}

/* 表单底部操作 */
.form-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 0;
}

/* 图片预览弹窗 */
.image-preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    cursor: zoom-out;
    backdrop-filter: blur(4px);
}
.image-preview-modal.active {
    opacity: 1;
    visibility: visible;
}
.image-preview-modal img {
    max-width: 92%;
    max-height: 92%;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* ===== 响应式 ===== */
@media (max-width: 960px) {
    .task-detail-layout {
        grid-template-columns: 1fr;
    }
    .task-detail-sidebar {
        position: static;
        order: -1;
    }
}

@media (max-width: 640px) {
    .task-grid {
        grid-template-columns: 1fr;
    }
    .task-page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .task-page-title {
        font-size: 24px;
    }
    .task-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .task-tabs {
        overflow-x: auto;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .coin-settings {
        grid-template-columns: 1fr;
    }
    .task-detail-title {
        font-size: 20px;
    }
    .task-detail-header,
    .task-detail-images,
    .task-detail-desc,
    .task-timeline-card {
        padding-left: 18px;
        padding-right: 18px;
    }
}