/* ============================================================
   云界光年 GEO/AI搜索优化平台 - 全局主题样式
   陕西创宇云网络科技有限公司
   浅色主题 / 科技蓝 / Layui 风格增强
   ============================================================ */
:root {
  --brand: #2b6ff3;
  --brand-2: #00c6c8;
  --brand-grad: linear-gradient(135deg, #2b6ff3 0%, #00b7ff 100%);
  --brand-grad-2: linear-gradient(135deg, #2b6ff3 0%, #00c6c8 100%);
  --primary: #2b6ff3;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #0ea5e9;
  --bg: #f4f7fb;
  --bg-card: #ffffff;
  --border: #e5eaf2;
  --text: #1f2937;
  --text-2: #6b7280;
  --text-3: #9ca3af;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.06), 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-lg: 0 10px 30px rgba(16, 24, 40, 0.12);
  --sidebar-w: 230px;
  --header-h: 60px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { opacity: 0.85; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* ========== 通用按钮 ========== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px; border: 1px solid var(--border); border-radius: 8px;
  background: #fff; color: var(--text); font-size: 14px; font-weight: 500;
  transition: all 0.2s; white-space: nowrap;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--brand-grad); border-color: transparent; color: #fff; }
.btn-primary:hover { color: #fff; opacity: 0.92; box-shadow: 0 4px 14px rgba(43, 111, 243, 0.3); }
.btn-success { background: var(--success); border-color: transparent; color: #fff; }
.btn-success:hover { color: #fff; opacity: 0.9; }
.btn-danger { background: var(--danger); border-color: transparent; color: #fff; }
.btn-danger:hover { color: #fff; opacity: 0.9; }
.btn-warning { background: var(--warning); border-color: transparent; color: #fff; }
.btn-warning:hover { color: #fff; opacity: 0.9; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--primary); }
.btn-ghost:hover { background: rgba(43, 111, 243, 0.08); }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-lg { padding: 11px 24px; font-size: 15px; border-radius: 10px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ========== 表单 ========== */
.input, .select, .textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border);
  border-radius: 8px; background: #fff; font-size: 14px; color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(43, 111, 243, 0.12);
}
.textarea { min-height: 120px; resize: vertical; line-height: 1.7; }
.select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; }
.field { margin-bottom: 16px; }
.field label { display: block; margin-bottom: 6px; font-weight: 500; color: var(--text); }
.field .hint { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; }

/* ========== 卡片 ========== */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.card-pad { padding: 20px; }
.card-title { font-size: 16px; font-weight: 600; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.card-title::before { content: ''; width: 4px; height: 16px; background: var(--brand-grad); border-radius: 2px; }

/* ========== 统计卡片 ========== */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 20px; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.stat-card .label { font-size: 13px; color: var(--text-2); margin-bottom: 8px; }
.stat-card .value { font-size: 26px; font-weight: 700; }
.stat-card .sub { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.stat-card .icon {
  position: absolute; right: 14px; top: 14px; width: 42px; height: 42px;
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: #fff;
}
.stat-card.c-blue .icon { background: var(--brand-grad); }
.stat-card.c-green .icon { background: linear-gradient(135deg, #22c55e, #16a34a); }
.stat-card.c-orange .icon { background: linear-gradient(135deg, #f59e0b, #ea580c); }
.stat-card.c-red .icon { background: linear-gradient(135deg, #ef4444, #dc2626); }
.stat-card.c-purple .icon { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.stat-card.c-teal .icon { background: linear-gradient(135deg, #14b8a6, #0d9488); }

/* ========== 表格 ========== */
.table-wrap { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: auto; }
table.table { width: 100%; border-collapse: collapse; min-width: 700px; }
.table thead th {
  background: #f8fafc; padding: 12px 14px; font-size: 13px; font-weight: 600;
  color: var(--text-2); text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap;
}
.table tbody td { padding: 12px 14px; border-bottom: 1px solid #f1f5f9; font-size: 13px; }
.table tbody tr:hover { background: #f8fafc; }
.table tbody tr:last-child td { border-bottom: none; }
.table .empty { text-align: center; padding: 40px; color: var(--text-3); }

/* 标签 */
.tag {
  display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; font-weight: 500; line-height: 20px;
}
.tag-blue { background: rgba(43, 111, 243, 0.1); color: var(--primary); }
.tag-green { background: rgba(22, 163, 74, 0.1); color: var(--success); }
.tag-orange { background: rgba(245, 158, 11, 0.12); color: #b45309; }
.tag-red { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.tag-gray { background: #f1f5f9; color: var(--text-2); }
.tag-purple { background: rgba(139, 92, 246, 0.1); color: #7c3aed; }

/* 分页 */
.pagination { display: flex; align-items: center; justify-content: flex-end; gap: 6px; padding: 14px; flex-wrap: wrap; }
.pagination .pg-btn {
  min-width: 32px; height: 32px; padding: 0 8px; border: 1px solid var(--border);
  border-radius: 6px; background: #fff; color: var(--text-2); font-size: 13px;
}
.pagination .pg-btn.active { background: var(--brand-grad); border-color: transparent; color: #fff; }
.pagination .pg-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.pagination .pg-info { font-size: 13px; color: var(--text-2); margin-right: 8px; }

/* ========== Toast ========== */
#toast-box { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); z-index: 99999; display: flex; flex-direction: column; gap: 10px; align-items: center; }
.toast {
  padding: 10px 22px; border-radius: 8px; color: #fff; font-size: 14px;
  box-shadow: var(--shadow-lg); animation: toast-in 0.3s ease; display: flex; align-items: center; gap: 8px;
}
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); }
.toast-info { background: var(--info); }
@keyframes toast-in { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: translateY(0); } }

/* ========== Modal ========== */
.modal-mask {
  position: fixed; inset: 0; background: rgba(15, 23, 42, 0.45); z-index: 99990;
  display: flex; align-items: center; justify-content: center; padding: 20px; animation: fade 0.2s ease;
}
.modal {
  background: #fff; border-radius: 14px; box-shadow: var(--shadow-lg); width: 100%;
  max-width: 640px; max-height: 90vh; display: flex; flex-direction: column; animation: modal-in 0.25s ease;
}
.modal-lg { max-width: 860px; }
.modal-sm { max-width: 420px; }
.modal-header { padding: 18px 24px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { font-size: 17px; font-weight: 600; }
.modal-body { padding: 20px 24px; overflow-y: auto; flex: 1; }
.modal-footer { padding: 14px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }
.modal-close { background: none; border: none; font-size: 22px; color: var(--text-3); line-height: 1; }
.modal-close:hover { color: var(--text); }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes modal-in { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }

/* ========== 布局 ========== */
.layout { display: flex; min-height: 100vh; }

/* 侧边栏 */
.sidebar {
  width: var(--sidebar-w); background: #0f1e3d; color: #cbd5e1;
  display: flex; flex-direction: column; position: fixed; inset: 0 auto 0 0; z-index: 100;
  transition: transform 0.3s;
}
.sidebar .logo {
  height: var(--header-h); display: flex; align-items: center; gap: 10px; padding: 0 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06); color: #fff; flex-shrink: 0;
}
.sidebar .logo .logo-mark {
  width: 34px; height: 34px; border-radius: 9px; background: var(--brand-grad-2);
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 16px; color: #fff;
}
.sidebar .logo .logo-text { font-size: 15px; font-weight: 700; letter-spacing: 0.5px; }
.sidebar .logo .logo-sub { font-size: 10px; opacity: 0.6; }
.sidebar .nav { flex: 1; overflow-y: auto; padding: 12px 0; }
.sidebar .nav::-webkit-scrollbar { width: 4px; }
.sidebar .nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 2px; }
.sidebar .nav-group { padding: 10px 18px 4px; font-size: 11px; color: #64748b; text-transform: uppercase; letter-spacing: 0.6px; }
.sidebar .nav-item {
  display: flex; align-items: center; gap: 11px; padding: 11px 18px; color: #cbd5e1;
  font-size: 14px; cursor: pointer; transition: all 0.2s; border-left: 3px solid transparent;
}
.sidebar .nav-item:hover { background: rgba(255, 255, 255, 0.04); color: #fff; }
.sidebar .nav-item.active { background: rgba(43, 111, 243, 0.15); color: #fff; border-left-color: var(--brand-2); }
.sidebar .nav-item .icon { width: 20px; text-align: center; font-size: 17px; }
.sidebar .nav-item .badge { margin-left: auto; background: var(--danger); color: #fff; font-size: 11px; padding: 0 7px; border-radius: 10px; }
.sidebar .sidebar-foot { padding: 14px 18px; border-top: 1px solid rgba(255,255,255,0.06); font-size: 11px; color: #64748b; }

/* 主内容 */
.main { flex: 1; margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }
.main-header {
  height: var(--header-h); background: #fff; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 24px; position: sticky; top: 0; z-index: 50;
  gap: 14px;
}
.main-header .page-title { font-size: 17px; font-weight: 600; }
.main-header .spacer { flex: 1; }
.main-header .hdr-item { color: var(--text-2); font-size: 13px; display: flex; align-items: center; gap: 6px; }
.main-header .user-chip {
  display: flex; align-items: center; gap: 8px; padding: 5px 10px; border-radius: 20px;
  background: #f1f5f9; cursor: pointer;
}
.main-header .user-chip .avatar {
  width: 28px; height: 28px; border-radius: 50%; background: var(--brand-grad);
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 13px; font-weight: 600;
}
.main-body { padding: 24px; flex: 1; }
.menu-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--text); }

/* ========== 登录页 ========== */
.login-page {
  min-height: 100vh; display: flex; position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 620px at 14% 18%, rgba(43,111,243,0.38), transparent 60%),
    radial-gradient(1000px 700px at 86% 82%, rgba(0,198,200,0.30), transparent 60%),
    linear-gradient(135deg, #0b1733 0%, #13245a 45%, #0c4a5a 100%);
}
.login-page::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: 0 0;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 28%, transparent 82%);
          mask-image: radial-gradient(circle at 50% 50%, #000 28%, transparent 82%);
  animation: gridFlow 22s linear infinite;
}
@keyframes gridFlow { to { background-position: 44px 44px; } }
.login-deco { position: absolute; border-radius: 50%; filter: blur(70px); opacity: 0.55; z-index: 0; }
.login-deco.deco-1 { width: 380px; height: 380px; background: #2b6ff3; top: -120px; right: 8%; animation: float1 9s ease-in-out infinite; }
.login-deco.deco-2 { width: 320px; height: 320px; background: #00c6c8; bottom: -110px; left: 4%; animation: float2 11s ease-in-out infinite; }
@keyframes float1 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(30px); } }
@keyframes float2 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-26px); } }

/* ============ 登录页动态科幻增强（"动起来的 AI"） ============ */
/* 极光旋转层：缓慢流转的能量光带 */
.login-page::after {
  content: ''; position: absolute; inset: -25%; z-index: 0; pointer-events: none;
  background: conic-gradient(from 0deg,
    transparent 0deg,
    rgba(43,111,243,0.10) 60deg,
    transparent 130deg,
    rgba(0,198,200,0.10) 220deg,
    transparent 300deg,
    rgba(124,58,246,0.08) 340deg,
    transparent 360deg);
  filter: blur(70px); opacity: 0.85; animation: auroraSpin 26s linear infinite;
}
@keyframes auroraSpin { to { transform: rotate(360deg); } }

/* 新增浮动光球（紫 / 青） */
.login-deco.deco-3 { width: 300px; height: 300px; background: #7c3aed; top: 38%; left: 30%; opacity: 0.30; animation: float3 14s ease-in-out infinite; }
.login-deco.deco-4 { width: 200px; height: 200px; background: #38e1ff; top: 64%; right: 24%; opacity: 0.26; animation: float4 11s ease-in-out infinite; }
@keyframes float3 { 0%,100% { transform: translate(0, 0); } 50% { transform: translate(28px, -22px); } }
@keyframes float4 { 0%,100% { transform: translate(0, 0); } 50% { transform: translate(-20px, 18px); } }

/* 雷达：放大到 280px · 多臂扫描 + 虚线环 + 发光核心 */
.brand-radar { width: 280px; height: 280px; margin: 0 0 28px; }
.brand-radar .ring { fill: none; stroke: rgba(255,255,255,0.15); stroke-width: 1; }
.brand-radar .cross { stroke: rgba(255,255,255,0.10); stroke-width: 1; }
.brand-radar .dash-ring { fill: none; stroke: rgba(56,225,255,0.30); stroke-width: 1.5;
  transform-box: view-box; transform-origin: 140px 140px; animation: dashSpin 18s linear infinite; }
@keyframes dashSpin { to { transform: rotate(-360deg); } }

/* 核心发光脉冲 */
.brand-radar .core-pulse { animation: corePulse 2.2s ease-in-out infinite alternate; }
@keyframes corePulse {
  0%   { r: 8; opacity: 0.7; }
  100% { r: 14; opacity: 1; filter: drop-shadow(0 0 8px rgba(56,225,255,0.8)); }
}

/* 主扫描臂（青色，3s/圈） */
.brand-radar .radar-sweep { transform-box: view-box; transform-origin: 140px 140px; animation: radarSpin 3s linear infinite; }
/* 副扫描臂（紫色，反向 4.5s/圈） */
.brand-radar .radar-sweep2 { transform-box: view-box; transform-origin: 140px 140px; animation: radarSpinRev 4.5s linear infinite; }
@keyframes radarSpin { to { transform: rotate(360deg); } }
@keyframes radarSpinRev { to { transform: rotate(-360deg); } }

.brand-radar .dot { fill: #38e1ff; filter: drop-shadow(0 0 3px rgba(56,225,255,0.7)); }
.brand-radar .pulse { fill: none; stroke: #38e1ff; stroke-width: 2; transform-origin: center; transform-box: fill-box; animation: radarPulse 2.6s ease-out infinite; }
.brand-radar .pulse:nth-of-type(2) { animation-delay: 0.8s; }
.brand-radar .pulse:nth-of-type(3) { animation-delay: 1.6s; }
.brand-radar .pulse:nth-of-type(4) { animation-delay: 2.0s; }
@keyframes radarPulse { 0% { r: 3; opacity: 0.9; } 100% { r: 28; opacity: 0; } }

/* ========== AI 机器人形象（大号 · 摇摆 + 呼吸 + 眨眼 + 光晕） ========== */
/* 外层：浮动 + 眼睛闪烁伪元素 + 地面反射 */
.ai-robot {
  width: 360px; height: auto;
  margin: 8px auto 24px;
  position: relative;
  animation: robotFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 0 24px rgba(56,225,255,0.35)) drop-shadow(0 8px 32px rgba(0,0,0,0.3));
}
/* 内层：摇摆 + 缩放呼吸 */
.ai-robot-body {
  animation:
    robotRock 5s ease-in-out infinite alternate,
    robotBreathe 3s ease-in-out infinite alternate;
}
.ai-robot-body img {
  width: 100%; height: auto; display: block;
  border-radius: 20px;
}
/* 眼睛发光闪烁（叠加在图片上的伪元素光斑） */
.ai-robot::before {
  content: ''; position: absolute;
  top: 28%; left: 50%; transform: translateX(-50%);
  width: 72px; height: 28px;
  background: radial-gradient(ellipse, rgba(56,225,255,0.65) 0%, rgba(56,225,255,0.15) 40%, transparent 70%);
  border-radius: 50%;
  animation: eyeBlink 4s ease-in-out infinite;
  pointer-events: none;
  mix-blend-mode: screen;
}
/* 底部地面反射 */
.ai-robot::after {
  content: ''; position: absolute;
  bottom: -12px; left: 50%; transform: translateX(-50%);
  width: 70%; height: 10px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(56,225,255,0.30) 0%, transparent 70%);
  animation: robotShadow 4s ease-in-out infinite;
}

/* ===== 机器人独立动画 ===== */
@keyframes robotFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
/* 左右摇摆（像坐着的猫轻轻晃） */
@keyframes robotRock {
  0%   { transform: rotate(-2.5deg); }
  100% { transform: rotate(2.5deg); }
}
/* 缩放呼吸（微微胀大缩小 + 饱和度提升） */
@keyframes robotBreathe {
  0%   { filter: brightness(1) saturate(1); }
  100% { filter: brightness(1.06) saturate(1.12); }
}
/* 眼睛闪烁（亮→眨眼暗→亮→扫描扩展→恢复 循环） */
@keyframes eyeBlink {
  0%, 42%   { opacity: 0.85; transform: translateX(-50%) scaleY(1); }
  45%       { opacity: 0.12; transform: translateX(-50%) scaleY(0.15); } /* 眨眼 */
  48%, 82%  { opacity: 0.75; transform: translateX(-50%) scaleY(1); }
  86%       { opacity: 1.00; transform: translateX(-50%) scaleX(1.10); } /* 扫描扩展 */
  90%, 100% { opacity: 0.80; transform: translateX(-50%) scaleX(1); }
}
/* 地面反射同步浮动 */
@keyframes robotShadow {
  0%, 100% { opacity: 0.6; transform: translateX(-50%) scale(1); }
  50%      { opacity: 0.22; transform: translateX(-50%) scale(0.72); }
}

/* ========== AI 平台矩阵（浮动发光图标行） ========== */
.ai-platforms {
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center;
  width: 220px;
  z-index: 3;
}
.ai-plat {
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  width: 52px; padding: 8px 5px 6px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: background .35s, border-color .35s, box-shadow .35s;
  animation: aiFloat 3.5s ease-in-out infinite;
  cursor: default;
}
/* 轨道扫描环：绕 logo 持续旋转（"转"的主要动效） */
.ai-plat::before {
  content: ''; position: absolute; top: 4px; left: 50%; width: 36px; height: 36px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0deg, var(--ai-color) 55deg, transparent 120deg);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 2.5px), #000 calc(100% - 2.5px));
          mask: radial-gradient(farthest-side, transparent calc(100% - 2.5px), #000 calc(100% - 2.5px));
  transform: translateX(-50%);
  animation: orbitSpin 3.2s linear infinite;
  opacity: 0.95; pointer-events: none;
}
@keyframes orbitSpin { to { transform: translateX(-50%) rotate(360deg); } }

.ai-plat:hover {
  background: rgba(255,255,255,0.13);
  border-color: var(--ai-color);
  box-shadow: 0 0 20px var(--ai-glow), 0 4px 16px rgba(0,0,0,0.25);
}
@keyframes aiFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

/* 图标圆 + 真实 logo 图片 */
.ai-icon {
  width: 30px; height: 30px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.10);
  box-shadow: 0 2px 10px var(--ai-glow), inset 0 -2px 6px rgba(0,0,0,0.15);
  position: relative; z-index: 1; overflow: hidden;
}
.ai-icon img {
  width: 100%; height: 100%; object-fit: contain; border-radius: 9px; display: block;
  animation: logoSpin 16s linear infinite;
}
.ai-icon img.no-spin { animation: none; }
@keyframes logoSpin { to { transform: rotate(360deg); } }
/* hover：logo 加速旋转（千问等 no-spin 也会转一次） */
.ai-plat:hover .ai-icon img { animation-duration: 2.2s; }
.ai-plat:hover .ai-icon img.no-spin { animation: logoSpin 1.2s linear; }

/* 名称 */
.ai-name { font-size: 10px; color: rgba(255,255,255,0.78); white-space: nowrap; letter-spacing: 0.2px; font-weight: 500; }

/* 品牌数据统计（保留备用） */
.brand-stats { display: flex; gap: 14px; margin-bottom: 38px; }
.login-card { position: relative; }
.login-card::before {
  content: ''; position: absolute; inset: 0; border-radius: 22px; padding: 1.5px;
  background: linear-gradient(135deg, rgba(43,111,243,0.75), rgba(0,198,200,0.75), rgba(124,58,246,0.75), rgba(43,111,243,0.75));
  background-size: 300% 300%;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  animation: borderFlow 6s linear infinite; pointer-events: none;
}
@keyframes borderFlow { 0% { background-position: 0% 50%; } 100% { background-position: 300% 50%; } }

/* 左侧品牌区 */
.login-aside { width: 52%; display: flex; align-items: center; padding: 56px 64px; position: relative; z-index: 2; color: #fff; }
.login-aside-inner { width: 100%; max-width: 480px; margin: auto; }
.brand-logo { display: flex; align-items: center; gap: 14px; margin-bottom: 40px; }
.brand-logo .logo-mark-img { width: 56px; height: 56px; border-radius: 14px; object-fit: contain; filter: drop-shadow(0 6px 20px rgba(0,198,200,0.35)); }
.brand-name { font-size: 20px; font-weight: 700; letter-spacing: 0.5px; color: #fff; }
.brand-sub { font-size: 12px; opacity: 0.7; letter-spacing: 1px; }
.brand-headline { font-size: 40px; line-height: 1.25; font-weight: 800; margin-bottom: 16px; background: linear-gradient(90deg, #ffffff, #bfe3ff); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.brand-desc { font-size: 15px; opacity: 0.82; margin-bottom: 32px; line-height: 1.7; }
.brand-radar { width: 196px; height: 196px; margin: 0 0 30px; }
.brand-radar .ring { fill: none; stroke: rgba(255,255,255,0.18); stroke-width: 1; }
.brand-radar .cross { stroke: rgba(255,255,255,0.12); stroke-width: 1; }
.brand-radar .dot { fill: #38e1ff; }
.brand-radar .pulse { fill: none; stroke: #38e1ff; stroke-width: 2; transform-origin: center; transform-box: fill-box; animation: radarPulse 2.6s ease-out infinite; }
.brand-radar .pulse:nth-of-type(2) { animation-delay: 0.8s; }
.brand-radar .pulse:nth-of-type(3) { animation-delay: 1.6s; }
@keyframes radarPulse { 0% { r: 3; opacity: 0.9; } 100% { r: 30; opacity: 0; } }
.brand-stats { display: flex; gap: 14px; margin-bottom: 38px; }
.bstat { flex: 1; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); border-radius: 14px; padding: 16px 14px; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.bstat-num { font-size: 22px; font-weight: 800; color: #fff; }
.bstat-lbl { font-size: 12px; opacity: 0.72; margin-top: 4px; }
.brand-foot { font-size: 12px; opacity: 0.6; }

/* 右侧表单区 */
.login-main { width: 48%; display: flex; align-items: center; justify-content: center; padding: 40px; position: relative; z-index: 2; }
.login-card { width: 100%; max-width: 412px; background: rgba(255,255,255,0.96); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.6); border-radius: 22px; padding: 42px 38px; box-shadow: 0 24px 60px rgba(8,15,35,0.35); animation: cardIn 0.6s cubic-bezier(.2,.8,.2,1) both; }
@keyframes cardIn { from { opacity: 0; transform: translateY(24px) scale(0.98); } to { opacity: 1; transform: none; } }
.login-card h2 { font-size: 24px; font-weight: 700; margin-bottom: 6px; }
.login-card .login-sub { color: var(--text-2); font-size: 13px; margin-bottom: 24px; }
.login-mobile-brand { display: none; align-items: center; gap: 10px; margin-bottom: 26px; }
.login-mobile-brand .logo-mark { width: 40px; height: 40px; border-radius: 10px; background: var(--brand-grad-2); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 18px; }

/* 身份切换 pill */
.end-switch { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-bottom: 24px; background: #eef2f8; padding: 5px; border-radius: 12px; }
.end-switch .end-btn { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 10px 4px; border: none; background: transparent; border-radius: 9px; font-size: 13px; color: var(--text-2); cursor: pointer; transition: all 0.2s; }
.end-switch .end-btn .eb-ico { font-size: 18px; line-height: 1; }
.end-switch .end-btn.active { background: #fff; color: var(--primary); font-weight: 600; box-shadow: var(--shadow); }

/* 带图标的输入 */
.input-icon { position: relative; }
.input-icon .ii { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font-size: 15px; opacity: 0.7; }
.input-icon .input { padding-left: 38px; }
.login-btn { width: 100%; margin-top: 6px; padding: 12px; font-size: 15px; letter-spacing: 2px; }
.login-apply { text-align: center; margin-top: 16px; font-size: 13px; }

/* ========== 登录（内部简单版） ========== */
.login-box { max-width: 420px; margin: 60px auto; padding: 40px 36px; }

/* ========== 加载 ========== */
.loading { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px; color: var(--text-3); gap: 12px; }
.spinner { width: 32px; height: 32px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ========== 空状态 ========== */
.empty-state { text-align: center; padding: 50px 20px; color: var(--text-3); }
.empty-state .empty-icon { font-size: 46px; margin-bottom: 12px; opacity: 0.5; }
.empty-state p { font-size: 14px; }

/* ========== 富文本预览 ========== */
.article-view h3 { margin: 18px 0 10px; color: var(--text); font-size: 16px; }
.article-view p { margin: 8px 0; line-height: 1.8; color: #374151; }
.article-view img { max-width: 100%; border-radius: 8px; margin: 10px auto; display: block; }

/* ========== 步骤 / 图表 ========== */
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.bar-row .bar-label { width: 110px; font-size: 13px; color: var(--text-2); text-align: right; }
.bar-row .bar-track { flex: 1; height: 18px; background: #f1f5f9; border-radius: 6px; overflow: hidden; }
.bar-row .bar-fill { height: 100%; border-radius: 6px; background: var(--brand-grad); transition: width 0.6s; }
.bar-row .bar-val { width: 70px; font-size: 13px; font-weight: 600; }

/* ========== 响应式 ========== */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .menu-toggle { display: block; }
  .login-aside { display: none; }
  .login-main { width: 100%; padding: 24px; }
  .login-mobile-brand { display: flex; }
  .login-card { padding: 32px 24px; }
}
@media (max-width: 600px) {
  .main-body { padding: 16px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .field-row { flex-direction: column; }
  .modal-body { padding: 16px; }
}

/* 隐藏滚动条但保留滚动 */
.hide-scroll::-webkit-scrollbar { display: none; }
.hide-scroll { scrollbar-width: none; }

/* 文本工具 */
.txt-2 { color: var(--text-2); }
.txt-3 { color: var(--text-3); }
.txt-red { color: var(--danger); }
.txt-green { color: var(--success); }
.txt-blue { color: var(--primary); }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }
.flex { display: flex; align-items: center; } .flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; }
.flex-1 { flex: 1; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.fw-600 { font-weight: 600; }