/* ============================================================
   巨网科技后台管理系统样式 · 科技感重设计
   深空导航蓝 + 极光渐变 + 玻璃拟态
   ============================================================ */
:root {
    --primary: #2b7bff;
    --primary-dark: #0a4fd6;
    --primary-light: #e8f0ff;
    --cyan: #22d3ee;
    --navy: #0a1228;
    --navy-2: #101d38;
    --ink: #17203a;
    --text: #4b5568;
    --muted: #8b93a5;
    --line: #e5eaf3;
    --bg: #eef2f8;
    --danger: #e5484d;
    --ok: #16a34a;
    --radius: 14px;
    --shadow: 0 2px 14px rgba(16, 32, 64, .06);
    --grad: linear-gradient(135deg, #2b7bff, #0a4fd6);
    --grad-cy: linear-gradient(135deg, #2b7bff, #22d3ee);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg); color: var(--text); font-size: 14px;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #c3cdda; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #9fb0c8; }

/* ---------- 侧边栏 ---------- */
.side {
    position: fixed; left: 0; top: 0; bottom: 0; width: 228px; z-index: 100;
    background: linear-gradient(180deg, #0a1228 0%, #0d1830 55%, #101d38 100%);
    color: #aab4c8; overflow-y: auto; transition: transform .3s;
    border-right: 1px solid rgba(43, 123, 255, .22);
}
.side::after {
    content: ""; position: fixed; left: 227px; top: 0; bottom: 0; width: 1px;
    background: linear-gradient(180deg, transparent, rgba(43,123,255,.45), rgba(34,211,238,.25), transparent);
    pointer-events: none;
}
.side-logo {
    display: flex; align-items: center; gap: 11px; padding: 22px 18px;
    border-bottom: 1px solid rgba(255,255,255,.06);
    background: linear-gradient(180deg, rgba(43,123,255,.10), transparent);
    position: sticky; top: 0; backdrop-filter: blur(6px);
}
.sl-ico { width: 36px; height: 36px; filter: drop-shadow(0 2px 8px rgba(43,123,255,.5)); }
.sl-img {
    width: 38px; height: 38px; object-fit: contain; border-radius: 9px;
    background: #fff; padding: 4px; box-shadow: 0 0 0 1px rgba(255,255,255,.12), 0 4px 14px rgba(0,0,0,.35);
}
.side-logo b { display: block; color: #fff; font-size: 16.5px; letter-spacing: 1.5px; }
.side-logo span { font-size: 11px; color: #6d7a92; letter-spacing: 1px; }
.side-nav { padding: 14px 12px 34px; }
.side-nav a {
    display: flex; align-items: center; padding: 11px 14px; border-radius: 9px; font-size: 13.8px;
    margin-bottom: 3px; transition: all .22s; white-space: nowrap; position: relative; overflow: hidden;
}
.side-nav a::before {
    content: ""; position: absolute; left: 0; top: 22%; bottom: 22%; width: 3px; border-radius: 2px;
    background: var(--grad-cy); opacity: 0; transition: .22s;
}
.side-nav a:hover { background: rgba(255,255,255,.06); color: #fff; transform: translateX(3px); }
.side-nav a.active {
    background: linear-gradient(135deg, rgba(43,123,255,.95), rgba(10,79,214,.9));
    color: #fff; box-shadow: 0 6px 18px rgba(43,123,255,.38);
}
.side-nav a.active::before { opacity: 1; }
.nav-group {
    font-size: 11.5px; color: #5d6a84; padding: 18px 14px 8px; letter-spacing: 2.5px;
    display: flex; align-items: center; gap: 8px;
}
.nav-group::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, rgba(255,255,255,.10), transparent); }

/* ---------- 主区域 ---------- */
.main {
    margin-left: 228px; min-height: 100vh; transition: margin .3s;
    background:
        radial-gradient(720px 300px at 88% -60px, rgba(43,123,255,.09), transparent 70%),
        radial-gradient(560px 260px at 8% -80px, rgba(34,211,238,.07), transparent 70%),
        var(--bg);
}
.topbar {
    height: 60px; background: rgba(255,255,255,.82); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    display: flex; align-items: center; gap: 16px; padding: 0 26px;
    position: sticky; top: 0; z-index: 90;
}
.topbar-title { font-size: 14.5px; color: var(--ink); font-weight: 600; flex: 1; }
.topbar-right { display: flex; gap: 20px; align-items: center; }
.tb-link { color: var(--text); font-size: 13.5px; transition: .2s; }
.tb-link:hover { color: var(--primary); }
.side-toggle { display: none; border: 0; background: none; font-size: 19px; cursor: pointer; color: var(--ink); }

.content { padding: 26px; animation: pageIn .45s cubic-bezier(.22, .8, .36, 1); }
@keyframes pageIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- 卡片与表格 ---------- */
.panel {
    background: #fff; border-radius: var(--radius); border: 1px solid var(--line);
    padding: 24px; margin-bottom: 22px; box-shadow: var(--shadow);
    transition: border-color .25s, box-shadow .25s, transform .25s;
}
.panel:hover { border-color: rgba(43,123,255,.35); box-shadow: 0 10px 30px rgba(16,32,64,.09); }
.panel-title {
    font-size: 16px; color: var(--ink); font-weight: 700; margin-bottom: 20px;
    display: flex; align-items: center; gap: 10px; letter-spacing: .5px;
}
.panel-title::before {
    content: ""; width: 4px; height: 18px; border-radius: 2px;
    background: var(--grad-cy); box-shadow: 0 2px 8px rgba(43,123,255,.4);
}
.panel-title .rt { margin-left: auto; }

.tb-wrap { overflow-x: auto; }
table.tb { width: 100%; border-collapse: collapse; }
.tb th, .tb td { padding: 13px 14px; text-align: left; font-size: 13.5px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tb th {
    color: #41506e; font-weight: 600; white-space: nowrap;
    background: linear-gradient(180deg, #f2f6fd, #eaf1fc);
    border-bottom: 1px solid #dbe4f3;
}
.tb td { color: var(--text); }
.tb tr:hover td { background: #f6f9ff; }
.tb .cover {
    width: 92px; height: 58px; object-fit: cover; border-radius: 8px; background: #edf1f8;
    box-shadow: 0 2px 8px rgba(16,32,64,.10);
}
.tb .actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 统计卡片 ---------- */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 18px; margin-bottom: 22px; }
.stat-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px;
    display: flex; gap: 14px; align-items: center; transition: .25s; position: relative; overflow: hidden;
    box-shadow: var(--shadow);
}
.stat-card::after {
    content: ""; position: absolute; right: -22px; top: -22px; width: 76px; height: 76px; border-radius: 50%;
    background: radial-gradient(circle, rgba(43,123,255,.10), transparent 70%);
}
.stat-card::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: var(--grad-cy); opacity: 0; transition: .25s;
}
.stat-card:hover { transform: translateY(-4px); border-color: rgba(43,123,255,.4); box-shadow: 0 14px 34px rgba(43,123,255,.16); }
.stat-card:hover::before { opacity: 1; }
.stat-card .sc-ico {
    width: 50px; height: 50px; border-radius: 13px; display: flex; align-items: center; justify-content: center;
    font-size: 23px; flex-shrink: 0; background: var(--primary-light);
    box-shadow: inset 0 0 0 1px rgba(43,123,255,.14);
}
.stat-card:nth-child(2) .sc-ico { background: #e6f9f1; box-shadow: inset 0 0 0 1px rgba(22,163,74,.15); }
.stat-card:nth-child(3) .sc-ico { background: #fff4e0; box-shadow: inset 0 0 0 1px rgba(196,123,16,.15); }
.stat-card:nth-child(4) .sc-ico { background: #f3e8ff; box-shadow: inset 0 0 0 1px rgba(139,92,246,.15); }
.stat-card:nth-child(5) .sc-ico { background: #ffe9ef; box-shadow: inset 0 0 0 1px rgba(225,29,116,.14); }
.stat-card:nth-child(6) .sc-ico { background: #e0f7fa; box-shadow: inset 0 0 0 1px rgba(8,145,178,.15); }
.stat-card b {
    display: block; font-size: 26px; line-height: 1.2;
    background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
    font-weight: 800;
}
.stat-card span { font-size: 12.5px; color: var(--muted); }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; border-radius: 9px;
    font-size: 13.5px; border: 1px solid transparent; cursor: pointer; transition: all .2s; font-family: inherit;
    white-space: nowrap; text-decoration: none;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 4px 14px rgba(43,123,255,.32); }
.btn-primary:hover { box-shadow: 0 6px 20px rgba(43,123,255,.45); transform: translateY(-1px); }
.btn-outline { background: #fff; border-color: var(--line); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); box-shadow: 0 4px 14px rgba(43,123,255,.12); }
.btn-danger { background: #fdebec; color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; box-shadow: 0 4px 14px rgba(229,72,77,.35); }
.btn-sm { padding: 5px 13px; font-size: 12.5px; border-radius: 7px; }
.btn-block { width: 100%; justify-content: center; }

/* ---------- 表单 ---------- */
.form { max-width: 860px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
.form-item { display: flex; flex-direction: column; gap: 7px; }
.form-item.full { grid-column: 1 / -1; }
.form-item label { font-size: 13px; color: var(--ink); font-weight: 600; }
.form-item label .req { color: var(--danger); margin-left: 2px; }
.form-item input[type=text], .form-item input[type=password], .form-item input[type=datetime-local],
.form-item input[type=number], .form-item input[type=url], .form-item select, .form-item textarea {
    border: 1.5px solid var(--line); border-radius: 9px; padding: 10px 13px; font-size: 13.5px;
    outline: none; transition: .2s; font-family: inherit; color: var(--ink); background: #f8fafd; width: 100%;
}
.form-item input:focus, .form-item select:focus, .form-item textarea:focus {
    border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3.5px rgba(43,123,255,.12);
}
.form-item textarea { min-height: 90px; resize: vertical; }
.form-item textarea.tall { min-height: 260px; font-family: Consolas, monospace; font-size: 13px; }
.form-item .hint { font-size: 12px; color: var(--muted); line-height: 1.6; }
.check-row { display: flex; gap: 26px; align-items: center; padding-top: 24px; }
.check-row label { display: flex; align-items: center; gap: 7px; font-weight: 500; cursor: pointer; }
.check-row input { width: 16px; height: 16px; accent-color: var(--primary); }

/* ---------- Logo 管理 ---------- */
.logo-manage { display: flex; gap: 30px; align-items: center; flex-wrap: wrap; }
.logo-preview {
    width: 240px; height: 120px; border: 1.5px dashed #c9d5ea; border-radius: 12px;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
    background:
        linear-gradient(45deg, #f8fafd 25%, transparent 25%, transparent 75%, #f8fafd 75%),
        linear-gradient(45deg, #f8fafd 25%, transparent 25%, transparent 75%, #f8fafd 75%);
    background-size: 16px 16px; background-position: 0 0, 8px 8px;
}
.logo-preview svg { width: 52px; height: 52px; }
.logo-preview img { max-width: 200px; max-height: 64px; object-fit: contain; }
.lp-tag { position: static; }
.logo-ops { flex: 1; min-width: 280px; display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.logo-upload { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.logo-upload input[type=file] {
    font-size: 13px; color: var(--text); border: 1.5px solid var(--line); border-radius: 9px;
    padding: 8px 12px; background: #f8fafd; cursor: pointer; max-width: 320px;
}
.logo-upload input[type=file]::file-selector-button {
    border: 0; background: var(--grad); color: #fff; padding: 7px 14px; border-radius: 7px;
    margin-right: 10px; cursor: pointer; font-family: inherit; font-size: 12.5px;
}

/* ---------- 筛选栏 ---------- */
.filter-bar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.filter-bar input[type=text], .filter-bar select {
    border: 1.5px solid var(--line); border-radius: 9px; padding: 9px 13px; font-size: 13.5px;
    outline: none; font-family: inherit; background: #f8fafd; transition: .2s;
}
.filter-bar input:focus, .filter-bar select:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3.5px rgba(43,123,255,.12); }
.filter-bar .spacer { flex: 1; }

/* ---------- 标签/开关 ---------- */
.tag { display: inline-block; padding: 3px 11px; border-radius: 12px; font-size: 12px; background: var(--primary-light); color: var(--primary-dark); }
.tag.gray { background: #eef0f4; color: var(--muted); }
.tag.ok { background: #e7f7ee; color: var(--ok); }
.tag.warn { background: #fff4e0; color: #c47b10; }

/* ---------- 分页 ---------- */
.pager { display: flex; gap: 8px; justify-content: center; margin-top: 22px; flex-wrap: wrap; }
.pager a, .pager span {
    min-width: 36px; height: 36px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center;
    border-radius: 9px; background: #fff; border: 1px solid var(--line); font-size: 13px; color: var(--text); transition: .2s;
}
.pager span.cur { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 4px 12px rgba(43,123,255,.3); }
.pager a:hover { border-color: var(--primary); color: var(--primary); }
.pager span.disabled { color: #b6bfce; background: #f6f8fb; cursor: not-allowed; }

.pager-bar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.pager-bar .pager { margin-top: 0; }
.pager-total { font-size: 13px; color: var(--muted); white-space: nowrap; }
.col-seq { width: 56px; min-width: 56px; text-align: center; color: var(--muted); }

/* ---------- 提示 ---------- */
.alert { padding: 13px 17px; border-radius: 9px; margin-bottom: 18px; font-size: 13.5px; }
.alert-ok { background: #e7f7ee; color: var(--ok); border: 1px solid #bfe8cf; }
.alert-err { background: #fdebec; color: var(--danger); border: 1px solid #f5c6cb; }

/* ---------- 登录页 ---------- */
.login-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background:
        radial-gradient(1000px 560px at 18% 8%, rgba(43,123,255,.28), transparent 62%),
        radial-gradient(820px 480px at 88% 92%, rgba(34,211,238,.16), transparent 62%),
        linear-gradient(160deg, #060b1a, #0a1228 55%, #0d1a36);
    padding: 24px; position: relative; overflow: hidden;
}
.login-page::before {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(43,123,255,.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(43,123,255,.07) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(720px 520px at 50% 42%, #000 30%, transparent 78%);
    -webkit-mask-image: radial-gradient(720px 520px at 50% 42%, #000 30%, transparent 78%);
}
.login-deco i { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .5; animation: orbFloat 9s ease-in-out infinite; }
.login-deco i:nth-child(1) { width: 10px; height: 10px; left: 16%; top: 26%; background: #22d3ee; box-shadow: 0 0 16px 4px rgba(34,211,238,.55); }
.login-deco i:nth-child(2) { width: 7px; height: 7px; right: 20%; top: 34%; background: #2b7bff; box-shadow: 0 0 14px 4px rgba(43,123,255,.55); animation-delay: -3s; }
.login-deco i:nth-child(3) { width: 12px; height: 12px; left: 78%; bottom: 22%; background: #6ea8ff; box-shadow: 0 0 18px 5px rgba(110,168,255,.5); animation-delay: -6s; }
@keyframes orbFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-26px); } }

.login-box {
    width: 410px; max-width: 100%; background: rgba(255,255,255,.97); border-radius: 18px; padding: 46px 42px 38px;
    box-shadow: 0 40px 100px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.06);
    position: relative; overflow: hidden; animation: cardIn .55s cubic-bezier(.22, .8, .36, 1);
}
@keyframes cardIn { from { opacity: 0; transform: translateY(26px) scale(.97); } to { opacity: 1; transform: none; } }
.login-box::before {
    content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
    background: linear-gradient(90deg, transparent, #2b7bff, #22d3ee, transparent);
}
.login-box .lb-logo { display: flex; flex-direction: column; align-items: center; margin-bottom: 30px; }
.lb-logo svg { width: 56px; height: 56px; margin-bottom: 13px; filter: drop-shadow(0 6px 18px rgba(43,123,255,.4)); }
.lb-img { max-width: 220px; max-height: 60px; object-fit: contain; margin-bottom: 13px; }
.lb-logo b { font-size: 22px; color: var(--ink); letter-spacing: 3px; }
.lb-logo span { font-size: 12px; color: var(--muted); letter-spacing: 2px; margin-top: 4px; }
.login-form .form-item { margin-bottom: 16px; }
.login-form input { padding: 12px 14px !important; }

.login-footer {
    position: absolute; left: 0; right: 0; bottom: 22px; text-align: center;
    color: rgba(255,255,255,.42); font-size: 12.5px; letter-spacing: 1px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    .side { transform: translateX(-100%); }
    .side.open { transform: translateX(0); box-shadow: 0 0 40px rgba(0,0,0,.4); }
    .main { margin-left: 0; }
    .side-toggle { display: block; }
    .form-grid { grid-template-columns: 1fr; }
    .content { padding: 14px; }
    .login-footer { position: static; margin-top: 26px; }
    .login-page { flex-direction: column; }
}

/* ---------- 图片上传 ---------- */
.img-row { display: flex; gap: 10px; align-items: center; }
.img-row input { flex: 1; }
.img-preview {
    display: none; margin-top: 10px; max-width: 300px; max-height: 150px;
    border-radius: 8px; border: 1px solid var(--line);
    object-fit: contain; background: #f6f8fb; padding: 4px;
}

/* ---------- 页脚版权 ---------- */
.admin-footer {
    margin-top: 26px; padding: 16px 0 4px; text-align: center;
    color: var(--muted); font-size: 12.5px; letter-spacing: 1px;
    border-top: 1px solid var(--line);
}

/* 统计卡片可点击 */
a.stat-card { color: inherit; text-decoration: none; cursor: pointer; }
a.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }