/* ==========================================================================
   ToolHub 工具下载站 · 全站样式
   浅色现代风格 / 响应式 / 无外部依赖
   ========================================================================== */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-soft: #eff6ff;
    --text: #1e293b;
    --text-2: #475569;
    --muted: #94a3b8;
    --border: #e2e8f0;
    --bg: #f5f7fb;
    --card: #ffffff;
    --radius: 14px;
    --radius-sm: 9px;
    --shadow: 0 2px 12px rgba(15, 23, 42, .05);
    --shadow-lg: 0 12px 36px rgba(15, 23, 42, .09);
    --gold: #d19a1e;
    --gold-soft: #fff8e6;
    --green: #16a34a;
    --red: #dc2626;
    --sidebar: #101a33;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
h1, h2, h3, h4 { margin: 0 0 .6em; line-height: 1.35; font-weight: 650; }
h1 { font-size: 26px; }
h2 { font-size: 18px; }
h3 { font-size: 15px; }
p { margin: 0 0 .8em; }
ul, ol { margin: 0 0 .8em; padding-left: 1.2em; }
code { background: #f1f5f9; padding: 2px 6px; border-radius: 5px; font-size: .92em; color: #be185d; }
hr { border: 0; border-top: 1px solid var(--border); margin: 22px 0; }
small, .small { font-size: 12px; }
.muted { color: var(--muted); }
.container { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; margin-bottom: 20px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.card-head h2 { margin: 0; font-size: 16px; }
.card-head a, .card-head span { font-size: 13px; }
.main-content { padding-top: 26px; padding-bottom: 48px; min-height: 62vh; }
.page-title { margin-bottom: 22px; }
.page-title h1 { font-size: 24px; margin-bottom: 4px; }
.page-title p { color: var(--text-2); margin: 0; }
.page-head-link { margin-bottom: 16px; font-size: 13px; }

/* ---------------------------------------------------------------- 按钮 / 标签 */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 9px 18px; border: 1px solid transparent; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 600; line-height: 1.4; cursor: pointer;
    background: #f1f5f9; color: var(--text); transition: .18s ease; white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(37, 99, 235, .2); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-ghost { background: #fff; border-color: var(--border); color: var(--text-2); }
.btn-ghost:hover { border-color: #cbd5e1; color: var(--primary); }
.btn-danger { background: #fef2f2; color: var(--red); border-color: #fecaca; }
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-vip { background: linear-gradient(135deg, #e7b445, #c98a10); color: #fff; box-shadow: 0 4px 14px rgba(209, 154, 30, .25); }
.btn-vip:hover { color: #fff; filter: brightness(1.05); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-xs { padding: 4px 9px; font-size: 12px; border-radius: 6px; }
.btn-lg { padding: 12px 22px; font-size: 15px; }
.btn-block { width: 100%; }
.btn:disabled, .btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

.badge { display: inline-flex; align-items: center; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge-free { background: #e8f8ee; color: #15803d; }
.badge-points { background: #eef2ff; color: #4f46e5; }
.badge-vip { background: var(--gold-soft); color: #a9740a; border: 1px solid #f4dfa8; }
.badge-admin { background: #f1f5f9; color: #475569; }
.badge-off { background: #f1f5f9; color: #64748b; }
.detail-badges { display: flex; gap: 8px; margin-bottom: 8px; }

.alert { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: 13.5px; border: 1px solid transparent; }
.alert ul { margin: 4px 0 0; padding-left: 18px; }
.alert-success { background: #ecfdf5; color: #047857; border-color: #a7f3d0; }
.alert-error { background: #fef2f2; color: #b91c1c; border-color: #fecaca; }
.alert-warning { background: #fffbeb; color: #b45309; border-color: #fde68a; }
.alert-info { background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 5px 13px; border-radius: 999px; background: #fff; border: 1px solid var(--border); color: var(--text-2); font-size: 13px; transition: .15s; }
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.chip em { font-style: normal; opacity: .65; font-size: 11px; }
.filter-chips { margin-bottom: 18px; }

.pagination { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 22px 0 4px; }
.pagination a, .pagination span { padding: 6px 12px; border-radius: 7px; border: 1px solid var(--border); background: #fff; font-size: 13px; color: var(--text-2); }
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination .disabled { opacity: .5; }
.pagination .page-total { border: 0; background: transparent; color: var(--muted); }

.empty-state { text-align: center; padding: 46px 20px; color: var(--muted); }
.empty-state .empty-icon { font-size: 34px; margin-bottom: 8px; }
.empty-state p { margin: 0; }

/* ---------------------------------------------------------------- 表单 */
.form-stack { display: flex; flex-direction: column; gap: 14px; }
.form-stack label, .admin-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 600; color: var(--text-2); }
.form-stack label em, .admin-form label em { color: var(--red); font-style: normal; }
input, select, textarea {
    width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: #fff; color: var(--text); font-size: 14px; font-family: inherit; outline: none; transition: .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, .1); }
input[type="file"] { padding: 8px; background: #f8fafc; }
textarea { resize: vertical; line-height: 1.6; }
input:disabled, select:disabled { background: #f1f5f9; color: var(--muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-actions { display: flex; gap: 12px; align-items: center; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border); }
.form-grid { display: grid; grid-template-columns: minmax(0, 1.8fr) minmax(260px, 1fr); gap: 28px; }
.form-grid h2 { font-size: 16px; margin: 4px 0 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.form-grid h2:not(:first-child) { margin-top: 26px; }
.form-main, .form-side { display: flex; flex-direction: column; gap: 14px; }
.form-side { background: #f8fafc; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 18px; }
.form-side h2 { margin-top: 6px; }
.admin-form .form-side { align-self: start; }

/* ---------------------------------------------------------------- 表格 */
.table-wrap { width: 100%; overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.table th { text-align: left; padding: 10px 12px; background: #f8fafc; color: var(--text-2); font-weight: 600; white-space: nowrap; border-bottom: 1px solid var(--border); }
.table td { padding: 11px 12px; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: #fafcff; }
.table a { font-weight: 500; }
.ua-cell { max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.amount { font-weight: 700; font-variant-numeric: tabular-nums; }
.amount.plus { color: var(--green); }
.amount.minus { color: var(--red); }
.type-tag { display: inline-block; padding: 2px 8px; background: #f1f5f9; border-radius: 5px; font-size: 12px; color: var(--text-2); }
.status-on { color: var(--green); font-size: 12.5px; }
.status-off { color: var(--muted); font-size: 12.5px; }
.table-tool { display: flex; align-items: center; gap: 10px; min-width: 190px; }
.table-tool small { display: block; color: var(--muted); font-size: 11.5px; }
.table-icon { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 9px; background: var(--primary-soft); font-size: 18px; flex: none; }
.row-actions { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.row-actions form { display: inline; }
.avatar-sm { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; background: #dbeafe; color: var(--primary-dark); font-weight: 700; flex: none; }
.avatar-lg { display: flex; align-items: center; justify-content: center; width: 58px; height: 58px; border-radius: 16px; background: linear-gradient(135deg, var(--primary), #60a5fa); color: #fff; font-size: 26px; font-weight: 700; }

/* ---------------------------------------------------------------- 前台头部 / 页脚 */
.site-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; box-shadow: 0 1px 6px rgba(15, 23, 42, .03); }
.header-inner { display: flex; align-items: center; gap: 22px; height: 66px; }
.brand { display: flex; align-items: center; gap: 9px; font-size: 18px; font-weight: 750; color: var(--text); white-space: nowrap; }
.brand:hover { color: var(--text); }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 9px; background: linear-gradient(135deg, var(--primary), #60a5fa); color: #fff; font-size: 20px; font-weight: 400; }
.big-mark { width: 48px; height: 48px; font-size: 28px; border-radius: 13px; margin-bottom: 14px; }
.main-nav { display: flex; align-items: center; gap: 18px; }
.main-nav > a { color: var(--text-2); font-weight: 600; font-size: 14px; }
.main-nav > a.active, .main-nav > a:hover { color: var(--primary); }
.dropdown { position: relative; }
.dropdown > a { cursor: pointer; color: var(--text-2); font-weight: 600; font-size: 14px; }
.dropdown-menu { display: none; position: absolute; top: 100%; left: -12px; min-width: 170px; background: #fff; border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow-lg); padding: 6px; margin-top: 8px; }
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a, .dropdown-menu button { display: block; width: 100%; text-align: left; padding: 8px 12px; border: 0; background: transparent; color: var(--text-2); font-size: 13px; border-radius: 6px; cursor: pointer; }
.dropdown-menu a:hover, .dropdown-menu button:hover { background: var(--primary-soft); color: var(--primary); }
.dropdown-menu .dropdown-empty { display: block; padding: 8px 12px; color: var(--muted); font-size: 12px; }
.dropdown-right { left: auto; right: 0; }
.logout-form { border-top: 1px solid var(--border); margin-top: 4px; padding-top: 4px; }
.header-search { display: flex; align-items: center; flex: 1; max-width: 320px; margin-left: auto; background: #f1f5f9; border-radius: 999px; padding: 2px 4px 2px 14px; }
.header-search input { border: 0; background: transparent; padding: 6px 0; font-size: 13px; }
.header-search input:focus { box-shadow: none; }
.header-search button { border: 0; background: transparent; cursor: pointer; padding: 4px 10px; font-size: 15px; }
.header-user { display: flex; align-items: center; gap: 10px; }
.vip-chip { background: var(--gold-soft); color: #a9740a; border: 1px solid #f4dfa8; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.points-chip { background: #eef2ff; color: #4338ca; padding: 4px 11px; border-radius: 999px; font-size: 12.5px; font-weight: 700; }
.user-name { font-size: 14px; }
.notice-bar { background: #fffbeb; border-bottom: 1px solid #fde68a; color: #92400e; font-size: 13px; padding: 8px 0; }
.site-footer { border-top: 1px solid var(--border); background: #fff; padding: 22px 0; color: var(--muted); font-size: 13px; }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------------------------------------------------------------- 首页 */
.hero { background: linear-gradient(120deg, #eef4ff 0%, #f7f9ff 48%, #fff 100%); border: 1px solid var(--border); border-radius: 18px; padding: 38px 42px; margin-bottom: 24px; overflow: hidden; }
.hero-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.hero-text { max-width: 640px; }
.hero-eyebrow { display: inline-block; background: #fff; border: 1px solid #dbeafe; color: var(--primary); padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; margin-bottom: 14px; }
.hero h1 { font-size: 36px; margin-bottom: 6px; letter-spacing: -.5px; }
.hero p { color: var(--text-2); font-size: 16px; margin-bottom: 20px; }
.hero-search { display: flex; gap: 10px; max-width: 520px; }
.hero-search input { background: #fff; border-color: #dbeafe; padding: 12px 16px; border-radius: 10px; flex: 1; }
.hero-stats { display: flex; gap: 26px; margin-top: 22px; color: var(--muted); font-size: 13px; }
.hero-stats strong { color: var(--text); font-size: 17px; margin-right: 3px; }
.hero-cards { position: relative; width: 260px; height: 190px; flex: none; }
.hero-card { position: absolute; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; width: 132px; height: 112px; background: #fff; border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow-lg); font-size: 30px; }
.hero-card span { font-size: 12px; font-weight: 600; color: var(--text-2); }
.hc-1 { top: 8px; left: 0; transform: rotate(-7deg); }
.hc-2 { top: 48px; left: 100px; transform: rotate(6deg); }
.hc-3 { top: 106px; left: 28px; transform: rotate(-3deg); }

.filter-bar { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 20px; margin-bottom: 24px; }
.filter-row { display: flex; align-items: center; gap: 14px; padding: 7px 0; flex-wrap: wrap; }
.filter-row + .filter-row { border-top: 1px dashed var(--border); }
.filter-label { color: var(--muted); font-size: 13px; width: 34px; flex: none; }
.sort-form { margin-left: auto; width: 150px; }
.sort-form select { padding: 6px 10px; font-size: 13px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 14px; }
.section-head h2 { font-size: 19px; margin: 0; }

.tool-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.tool-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; display: flex; flex-direction: column; transition: .2s ease; }
.tool-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: #cbd5e1; }
.card-link { color: inherit; display: block; flex: 1; }
.card-link:hover { color: inherit; }
.card-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 14px; }
.tool-icon { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 12px; font-size: 24px; background: var(--primary-soft); }
.tool-icon.big { width: 64px; height: 64px; font-size: 32px; border-radius: 16px; flex: none; }
.color-blue { background: #e0edff; } .color-purple { background: #ede9fe; } .color-green { background: #dcfce7; }
.color-orange { background: #ffedd5; } .color-pink { background: #fce7f3; } .color-teal { background: #ccfbf1; }
.tool-card h3 { font-size: 16px; margin-bottom: 7px; }
.tool-card:hover h3 { color: var(--primary); }
.card-summary { color: var(--text-2); font-size: 13px; min-height: 42px; margin-bottom: 12px; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.card-tags span { background: #f1f5f9; color: var(--muted); padding: 2px 8px; border-radius: 5px; font-size: 11.5px; }
.card-foot { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid #f1f5f9; margin-top: 14px; padding-top: 12px; font-size: 12.5px; color: var(--muted); }
.card-btn { font-weight: 600; font-size: 12.5px; }
.vip-banner { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 28px; padding: 24px 28px; border-radius: var(--radius); background: linear-gradient(110deg, #1f2937, #3b3416 70%, #59450f); color: #fff; }
.vip-banner h2 { color: #f5d68a; margin-bottom: 4px; }
.vip-banner p { color: #cbd5e1; margin: 0; font-size: 13px; }

/* ---------------------------------------------------------------- 详情页 */
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 22px; align-items: start; }
.detail-card { padding: 26px; }
.detail-head { display: flex; gap: 18px; align-items: flex-start; }
.detail-head h1 { font-size: 25px; margin-bottom: 6px; }
.detail-summary { color: var(--text-2); margin: 0; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 16px; padding: 16px 0; margin: 18px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); color: var(--text-2); font-size: 13px; }
.detail-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
.tag { background: #f1f5f9; padding: 3px 10px; border-radius: 6px; font-size: 12px; color: var(--text-2); }
.detail-section { margin-top: 22px; }
.detail-section h2 { font-size: 16px; padding-left: 10px; border-left: 3px solid var(--primary); }
.prose { color: var(--text-2); line-height: 1.9; }
.file-info { display: flex; align-items: center; gap: 14px; background: #f8fafc; border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.file-info p { margin: 0; font-size: 12px; }
.file-ext { display: inline-flex; align-items: center; justify-content: center; min-width: 48px; height: 42px; padding: 0 8px; border-radius: 8px; background: #e0edff; color: var(--primary-dark); font-size: 12px; font-weight: 700; }
.related-card h2 { font-size: 16px; }
.related-list { display: flex; flex-direction: column; }
.related-list a { display: flex; align-items: center; gap: 12px; padding: 10px 4px; border-bottom: 1px solid #f1f5f9; color: var(--text); font-size: 13.5px; }
.related-list a:last-child { border-bottom: 0; }
.related-icon { font-size: 20px; }
.related-title { flex: 1; }
.detail-side { position: sticky; top: 86px; }
.download-card h2 { font-size: 17px; margin-bottom: 14px; }
.access-note { display: flex; gap: 12px; align-items: center; padding: 13px; border-radius: 10px; margin-bottom: 16px; }
.access-ok { background: #ecfdf5; color: #047857; }
.access-locked { background: #fffbeb; color: #b45309; }
.access-icon { font-size: 20px; }
.access-note strong { font-size: 13.5px; }
.access-note p { margin: 0; font-size: 12px; opacity: .85; }
.balance-line { display: flex; justify-content: space-between; align-items: center; padding: 11px 14px; background: #f8fafc; border-radius: 9px; margin-bottom: 14px; font-size: 13px; color: var(--text-2); }
.balance-line strong { font-size: 19px; color: var(--primary); }
.side-hint { font-size: 12.5px; color: var(--muted); margin: 12px 0 0; line-height: 1.7; }
.download-steps { list-style: none; padding: 0; margin: 18px 0 0; border-top: 1px solid var(--border); padding-top: 14px; }
.download-steps li { display: flex; align-items: center; gap: 9px; font-size: 12.5px; color: var(--text-2); margin-bottom: 8px; }
.download-steps span { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); font-size: 11px; font-weight: 700; flex: none; }
.side-tip h3 { font-size: 14px; }
.side-tip p { font-size: 12.5px; color: var(--text-2); line-height: 1.8; }

/* ---------------------------------------------------------------- 登录 / 注册 */
.auth-wrap { display: grid; grid-template-columns: 1fr 420px; gap: 40px; align-items: center; max-width: 940px; margin: 36px auto; }
.auth-intro h1 { font-size: 30px; }
.auth-intro p { color: var(--text-2); font-size: 15px; max-width: 380px; }
.auth-points { list-style: none; padding: 0; margin-top: 20px; }
.auth-points li { color: var(--text-2); font-size: 13.5px; margin-bottom: 9px; }
.auth-card { padding: 30px; box-shadow: var(--shadow-lg); }
.auth-card h2 { font-size: 20px; margin-bottom: 20px; }
.auth-foot { text-align: center; margin: 18px 0 0; font-size: 13px; color: var(--muted); }
.confirm-card { max-width: 460px; margin: 60px auto; text-align: center; }
.confirm-card form { display: flex; gap: 10px; justify-content: center; margin-top: 18px; }

/* ---------------------------------------------------------------- 个人中心 */
.user-tabs { display: flex; gap: 4px; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 5px; margin-bottom: 22px; }
.user-tabs a { flex: 1; text-align: center; padding: 9px 10px; border-radius: 8px; font-size: 13.5px; font-weight: 600; color: var(--text-2); }
.user-tabs a.active { background: var(--primary); color: #fff; }
.user-hero { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 26px 28px; background: linear-gradient(110deg, #eef4ff, #fff); }
.user-hero h1 { font-size: 23px; margin: 2px 0; }
.user-hero-hi { color: var(--text-2); font-size: 13px; }
.user-hero-points { text-align: right; display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.user-hero-points span { color: var(--muted); font-size: 12px; }
.user-hero-points strong { font-size: 32px; line-height: 1.1; color: var(--primary); }
.user-hero-points .btn { margin-top: 6px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; display: flex; flex-direction: column; gap: 2px; }
.stat-card > span { color: var(--muted); font-size: 12.5px; }
.stat-card > strong { font-size: 25px; }
.stat-card > small { color: var(--muted); font-size: 11.5px; }
.stat-card > strong small { font-size: 13px; color: var(--muted); }
.signin-card form { margin-top: 8px; }
.user-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.user-columns .card { margin-bottom: 20px; }
.mini-list { list-style: none; padding: 0; margin: 0; }
.mini-list li { display: flex; align-items: center; gap: 11px; padding: 10px 0; border-bottom: 1px solid #f1f5f9; font-size: 13px; }
.mini-list li:last-child { border-bottom: 0; }
.mini-list li > div { flex: 1; min-width: 0; }
.mini-list small { display: block; color: var(--muted); font-size: 11.5px; }
.mini-icon { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 9px; background: #f1f5f9; flex: none; }
.mini-icon.plus { background: #ecfdf5; color: var(--green); font-weight: 700; }
.mini-icon.minus { background: #fef2f2; color: var(--red); font-weight: 700; }
.mini-action { font-size: 12px; }
.tip-list { list-style: none; padding: 0; margin: 0 0 14px; }
.tip-list li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--border); font-size: 13px; }
.tip-list span { color: var(--muted); text-align: right; }

/* ---------------------------------------------------------------- 会员页 */
.vip-hero { border-radius: 18px; background: radial-gradient(circle at 20% 10%, #4a3b12, #1f2937 60%); color: #fff; padding: 42px; margin-bottom: 22px; text-align: center; }
.vip-crown { font-size: 44px; }
.vip-hero h1 { font-size: 32px; color: #f7dc96; margin: 8px 0; }
.vip-hero p { color: #cbd5e1; }
.vip-owned { display: inline-block; background: rgba(247, 220, 150, .14); border: 1px solid rgba(247, 220, 150, .4); color: #f7dc96; padding: 10px 22px; border-radius: 999px; font-weight: 600; }
.vip-balance { color: #94a3b8; font-size: 12.5px; margin-top: 12px; }
.vip-balance a { color: #f7dc96; }
.vip-benefits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.benefit { text-align: center; padding: 22px 16px; }
.benefit span { font-size: 28px; }
.benefit h3 { font-size: 14.5px; margin: 8px 0 4px; }
.benefit p { font-size: 12.5px; color: var(--muted); margin: 0; }
.compare-table td:last-child { background: #fffbeb; font-weight: 600; color: #a9740a; }
.faq-list details { border-bottom: 1px solid var(--border); padding: 10px 0; }
.faq-list details:last-child { border-bottom: 0; }
.faq-list summary { cursor: pointer; font-weight: 600; font-size: 14px; }
.faq-list p { color: var(--text-2); font-size: 13px; margin: 10px 0 4px; }

/* ==========================================================================
   管理后台
   ========================================================================== */
.admin-body { background: #f4f6fb; }
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar { width: 224px; flex: none; background: var(--sidebar); color: #cbd5e1; padding: 20px 14px; display: flex; flex-direction: column; }
.admin-brand { color: #fff; font-size: 17px; padding: 4px 8px 22px; }
.admin-brand:hover { color: #fff; }
.admin-side-label { color: #64748b; font-size: 11px; letter-spacing: 1px; padding: 14px 10px 8px; text-transform: uppercase; }
.admin-nav { display: flex; flex-direction: column; gap: 3px; }
.admin-nav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; color: #cbd5e1; font-size: 13.5px; }
.admin-nav a span { font-size: 15px; }
.admin-nav a:hover { background: rgba(255, 255, 255, .07); color: #fff; }
.admin-nav a.active { background: var(--primary); color: #fff; font-weight: 600; }
.sidebar-foot { margin-top: auto; padding: 16px 10px 4px; border-top: 1px solid rgba(255, 255, 255, .08); color: #64748b; font-size: 11px; line-height: 1.7; }
.admin-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.admin-topbar { height: 66px; background: #fff; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 26px; }
.admin-topbar h1 { font-size: 18px; margin: 0; }
.admin-top-user { display: flex; align-items: center; gap: 12px; }
.admin-hello { font-size: 13px; color: var(--text-2); }
.admin-content { padding: 24px 26px 40px; }
.admin-foot { padding: 0 26px 20px; color: var(--muted); font-size: 12px; }

.admin-stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.admin-stat { position: relative; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; overflow: hidden; }
.admin-stat > span { display: block; color: var(--muted); font-size: 12.5px; margin-bottom: 4px; }
.admin-stat > strong { display: block; font-size: 27px; line-height: 1.2; }
.admin-stat > small { color: var(--muted); font-size: 11.5px; }
.admin-stat > i { position: absolute; right: 16px; top: 16px; font-size: 24px; font-style: normal; opacity: .35; }
.admin-stat-grid.mini-stats .admin-stat { padding: 14px 18px; }
.admin-stat-grid.mini-stats .admin-stat strong { font-size: 21px; }
.admin-stat-grid.two-col { grid-template-columns: 1fr 1fr; }
.admin-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.admin-columns.form-split { grid-template-columns: minmax(300px, .8fr) minmax(0, 1.5fr); align-items: start; }
.admin-columns .card { margin-bottom: 20px; }
.admin-table { font-size: 13px; }
.admin-table th, .admin-table td { padding: 10px 10px; }

.trend-chart { display: flex; align-items: flex-end; justify-content: space-around; gap: 8px; height: 180px; padding-top: 10px; }
.trend-col { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 5px; flex: 1; height: 100%; }
.trend-bar { width: min(38px, 70%); background: linear-gradient(180deg, #60a5fa, var(--primary)); border-radius: 6px 6px 2px 2px; transition: .2s; }
.trend-col:hover .trend-bar { filter: brightness(1.1); }
.trend-value { font-size: 11px; color: var(--muted); }
.trend-day { font-size: 11px; color: var(--muted); }
.quick-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.quick-actions a { display: flex; align-items: center; gap: 9px; padding: 12px; background: #f8fafc; border: 1px solid var(--border); border-radius: 9px; color: var(--text-2); font-size: 13px; font-weight: 600; }
.quick-actions a:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }
.quick-actions span { font-size: 18px; }
.sys-info { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }
.sys-info h3 { font-size: 13px; }
.sys-info p { margin: 0 0 5px; font-size: 12px; color: var(--muted); }
.sys-list { list-style: none; padding: 0; margin: 0; }
.sys-list li { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--border); font-size: 12.5px; }
.sys-list li:last-child { border-bottom: 0; }
.sys-list span { color: var(--muted); }

.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar-search { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.toolbar-search input[type="search"] { width: 210px; }
.toolbar-search select { width: auto; min-width: 120px; }
.admin-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.admin-tabs a { padding: 9px 18px; color: var(--text-2); font-size: 14px; font-weight: 600; border-bottom: 2px solid transparent; }
.admin-tabs a.active { color: var(--primary); border-bottom-color: var(--primary); }
.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; margin-bottom: 16px; }
.check-list.compact { grid-template-columns: 1fr; }
.check-item { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-2); }
.check-ok { color: var(--green); font-weight: 700; }
.check-bad { color: var(--red); font-weight: 700; }
.current-file { display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid var(--border); border-radius: 9px; padding: 10px; font-size: 12.5px; }
.current-file small { display: block; color: var(--muted); }
.generated-box { margin-top: 16px; }
.generated-box h3 { font-size: 13px; }
.generated-box textarea { font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; }
.card-code { font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; letter-spacing: .3px; }
.user-profile-head { display: flex; align-items: center; gap: 18px; }
.user-profile-head h2 { font-size: 19px; margin-bottom: 2px; }
.user-profile-head p { margin: 0; font-size: 12.5px; }
.profile-nums { display: flex; gap: 26px; margin-left: auto; text-align: center; }
.profile-nums span { display: block; color: var(--muted); font-size: 11.5px; }
.profile-nums strong { font-size: 20px; }

/* ==========================================================================
   安装向导
   ========================================================================== */
.install-body { display: flex; align-items: flex-start; justify-content: center; padding: 50px 20px; }
.install-wrap { width: min(760px, 100%); }
.install-head { text-align: center; margin-bottom: 24px; }
.install-head h1 { font-size: 25px; margin: 10px 0 2px; }
.install-head p { color: var(--muted); font-size: 13px; }
.install-card { padding: 28px 32px; box-shadow: var(--shadow-lg); }
.install-card h2 { font-size: 16px; margin: 22px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.install-card h2:first-child { margin-top: 0; }
.install-result { background: #f8fafc; border-radius: 10px; padding: 14px 18px; margin-bottom: 16px; }
.install-result p { margin: 6px 0; font-size: 13.5px; }
.btn-block { width: 100%; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1100px) {
    .tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero-cards { display: none; }
    .vip-benefits { grid-template-columns: repeat(2, 1fr); }
    .admin-stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
    .detail-layout, .auth-wrap, .form-grid, .admin-columns, .user-columns { grid-template-columns: 1fr; }
    .detail-side { position: static; }
    .admin-sidebar { width: 68px; padding: 16px 8px; }
    .admin-brand span:last-child, .admin-side-label, .admin-nav a span + *, .admin-nav a { font-size: 0; }
    .admin-nav a { justify-content: center; font-size: 0; }
    .admin-nav a span { font-size: 20px; }
    .sidebar-foot { display: none; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .header-search { display: none; }
}
@media (max-width: 640px) {
    .container { width: calc(100% - 28px); }
    .main-nav { display: none; }
    .header-user { margin-left: auto; }
    .tool-grid { grid-template-columns: 1fr; }
    .hero { padding: 26px 20px; }
    .hero h1 { font-size: 27px; }
    .hero-stats { gap: 14px; flex-wrap: wrap; }
    .vip-banner, .user-hero, .user-profile-head { flex-direction: column; align-items: flex-start; text-align: left; }
    .user-hero-points { text-align: left; align-items: flex-start; }
    .profile-nums { margin-left: 0; }
    .stat-grid, .vip-benefits, .admin-stat-grid, .check-list { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .sort-form { margin-left: 0; width: 100%; }
    .admin-content { padding: 16px; }
    .admin-topbar { padding: 0 16px; }
}