/* ===== 前端样式 - 参考tz.jujiao.net科技商务风 ===== */
:root {
  --primary: #1268ff;
  --primary-light: #4d94ff;
  --primary-dark: #0d4ed8;
  --accent: #32d8d0;
  --bg: #f7f9fc;
  --bg-2: #eef2f8;
  --panel: #ffffff;
  --ink: #0b1220;
  --text: #334155;
  --muted: #64748b;
  --faint: #e5ebf3;
  --line: rgba(15,23,42,.08);
  --border: rgba(15,23,42,.10);
  --soft-line: rgba(15,23,42,.05);
  --dark: #0b1220;
  --dark-2: #111a2e;
  --dark-surface: #1a2340;
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --radius: 18px;
  --radius-sm: 10px;
  --max-w: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ===== 导航栏 ===== */
.navbar {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
  z-index: 1000; display: flex; align-items: center; gap: 24px;
  padding: 10px 24px; border-radius: 999px;
  background: rgba(255,255,255,.75);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,.5);
  box-shadow: 0 4px 24px rgba(11,18,32,.06);
  max-width: 92vw;
}
.navbar-brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 17px; font-weight: 900; color: var(--ink);
  white-space: nowrap;
}
.navbar-brand img { width: 32px; height: 32px; border-radius: 8px; object-fit: cover; }
.navbar-brand .brand-logo {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 900; color: #fff;
}
.navbar-links { display: flex; align-items: center; gap: 4px; }
.navbar-links a {
  padding: 8px 14px; border-radius: 999px; font-size: 14px; font-weight: 500;
  color: var(--text); transition: all .15s;
}
.navbar-links a:hover { background: rgba(18,104,255,.08); color: var(--primary); }
.navbar-links a.active { background: var(--primary); color: #fff; }
.navbar-actions { display: flex; align-items: center; gap: 8px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 22px; border-radius: 999px; font-size: 14px; font-weight: 600;
  cursor: pointer; border: none; transition: all .2s; text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink); color: #fff;
}
.btn-primary:hover { background: var(--primary); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(18,104,255,.25); }
.btn-blue {
  background: var(--primary); color: #fff;
  box-shadow: 0 4px 16px rgba(18,104,255,.25);
}
.btn-blue:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--ink); border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--ink); background: var(--faint); }
.btn-white { background: #fff; color: var(--ink); border: 1px solid var(--border); }
.btn-white:hover { box-shadow: 0 4px 16px rgba(0,0,0,.06); }
.btn-lg { padding: 14px 32px; font-size: 15px; }
.btn-sm { padding: 6px 16px; font-size: 13px; }
.btn-block { width: 100%; }

.user-nav-profile{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:13px;white-space:nowrap;}
.user-nav-profile img{width:28px;height:28px;border-radius:50%;object-fit:cover;border:1px solid rgba(18,104,255,.16);box-shadow:0 3px 12px rgba(18,104,255,.12);}

/* ===== Hero 区域 ===== */
.hero {
  min-height: 88vh; padding: 120px 20px 60px;
  position: relative; overflow: hidden;
  background:
    radial-gradient(circle at 15% 20%, rgba(18,104,255,.06), transparent 50%),
    radial-gradient(circle at 85% 10%, rgba(50,216,208,.04), transparent 50%);
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(15,23,42,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,.02) 1px, transparent 1px);
  background-size: 72px 72px; pointer-events: none;
}
.hero-inner {
  max-width: var(--max-w); margin: 0 auto; position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 16px; border-radius: 999px;
  background: rgba(18,104,255,.08); color: var(--primary);
  font-size: 13px; font-weight: 600; margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(36px, 5vw, 64px); font-weight: 900; line-height: 1.1;
  color: var(--ink); margin-bottom: 20px; letter-spacing: -0.02em;
}
.hero-title .highlight { color: var(--primary); }
.hero-subtitle {
  font-size: 17px; color: var(--muted); margin-bottom: 32px;
  max-width: 480px; line-height: 1.7;
}
.hero-actions { display: flex; gap: 12px; margin-bottom: 40px; }
.hero-trust { display: flex; gap: 32px; }
.trust-item { text-align: left; }
.trust-item .trust-num { font-size: 28px; font-weight: 800; color: var(--ink); }
.trust-item .trust-label { font-size: 13px; color: var(--muted); }

/* Hero 右侧展示 */
.hero-visual {
  position: relative; perspective: 1200px;
}
.hero-card-3d {
  transform: rotateX(8deg) rotateY(-12deg);
  transition: transform .3s ease;
  border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 24px 80px rgba(11,18,32,.15), 0 0 0 1px rgba(255,255,255,.5);
  background: linear-gradient(135deg, var(--dark), var(--dark-2));
  padding: 28px; min-height: 420px;
}
.hero-card-3d .card-header-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,.06);
}
.hero-card-3d .card-title-dark { color: #fff; font-size: 16px; font-weight: 700; }
.hero-card-3d .stat-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px;
}
.hero-card-3d .stat-box {
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06);
  border-radius: 12px; padding: 16px;
}
.hero-card-3d .stat-box .label { color: rgba(255,255,255,.4); font-size: 12px; }
.hero-card-3d .stat-box .value { color: #fff; font-size: 24px; font-weight: 800; margin-top: 4px; }
.hero-card-3d .stat-box .value.blue { color: var(--primary-light); }
.hero-card-3d .stat-box .value.aqua { color: var(--accent); }

/* ===== 通用区域 ===== */
.section { padding: 80px 20px; position: relative; }
.section-inner { max-width: var(--max-w); margin: 0 auto; }
.section-title {
  font-size: clamp(28px, 3vw, 40px); font-weight: 800; color: var(--ink);
  margin-bottom: 12px; text-align: center; letter-spacing: -0.01em;
}
.section-desc { font-size: 16px; color: var(--muted); text-align: center; margin-bottom: 48px; max-width: 600px; margin-left:auto; margin-right:auto; }

/* 特性区 */
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px;
}
.feature-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: all .2s; position: relative; overflow: hidden;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(11,18,32,.06); border-color: rgba(18,104,255,.20); }
.feature-icon {
  width: 48px; height: 48px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(18,104,255,.08), rgba(50,216,208,.04));
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 16px;
}
.feature-title { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.feature-desc { font-size: 14px; color: var(--muted); line-height: 1.6; }

/* 暗色区域 */
.section-dark {
  background: var(--dark); color: #eef2f8;
}
.section-dark .section-title { color: #fff; }
.section-dark .section-desc { color: rgba(255,255,255,.5); }

/* CTA区域 */
.cta-section {
  padding: 60px 20px;
}
.cta-card {
  max-width: var(--max-w); margin: 0 auto; text-align: center;
  background: var(--panel); border-radius: var(--radius);
  padding: 48px; box-shadow: 0 12px 40px rgba(11,18,32,.06);
  border: 1px solid var(--border);
}
.cta-card h2 { font-size: 28px; font-weight: 800; color: var(--ink); margin-bottom: 12px; }
.cta-card p { color: var(--muted); margin-bottom: 24px; }

/* 页脚 */
.footer {
  background: var(--dark); color: rgba(255,255,255,.4);
  padding: 40px 20px 20px; text-align: center;
}
.footer-content { max-width: var(--max-w); margin: 0 auto; }
.footer p { font-size: 13px; }
.footer-links { display: flex; justify-content: center; gap: 20px; margin-bottom: 16px; }
.footer-links a { color: rgba(255,255,255,.6); font-size: 13px; transition: color .15s; }
.footer-links a:hover { color: #fff; }

/* ===== 登录/注册页 ===== */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 50%, var(--dark) 100%);
  position: relative; overflow: hidden; padding: 20px;
}
.auth-page::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(18,104,255,.15), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(50,216,208,.10), transparent 40%);
}
.auth-card {
  position: relative; z-index: 1; width: 420px; max-width: 92vw;
  background: rgba(255,255,255,.06); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.10); border-radius: 24px; padding: 40px 36px;
  box-shadow: 0 24px 80px rgba(0,0,0,.35);
  animation: authIn .4s ease;
}
@keyframes authIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.auth-logo {
  width: 56px; height: 56px; margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 16px; display: flex; align-items: center; justify-content: center;
  font-size: 26px; font-weight: 900; color: #fff;
  box-shadow: 0 8px 32px rgba(18,104,255,.35);
}
.auth-logo img { width: 56px; height: 56px; border-radius: 16px; object-fit: cover; }
.auth-title { text-align: center; color: #fff; font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.auth-sub { text-align: center; color: rgba(255,255,255,.5); font-size: 13px; margin-bottom: 28px; }
.auth-form .form-group { margin-bottom: 18px; }
.auth-form .form-label { color: rgba(255,255,255,.7); font-size: 13px; font-weight: 500; margin-bottom: 8px; display: block; }
.auth-form .form-input {
  width: 100%; padding: 12px 16px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.10);
  border-radius: 10px; color: #fff; font-size: 14px; transition: all .2s; font-family: inherit;
}
.auth-form .form-input::placeholder { color: rgba(255,255,255,.30); }
.auth-form .form-input:focus {
  outline: none; border-color: var(--primary-light);
  background: rgba(255,255,255,.08); box-shadow: 0 0 0 3px rgba(18,104,255,.20);
}
.auth-form .btn-primary {
  width: 100%; padding: 13px; border: none; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; font-size: 15px; font-weight: 600; cursor: pointer; transition: all .2s;
}
.auth-form .btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 28px rgba(18,104,255,.4); }
.auth-alert {
  padding: 10px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 16px;
}
.auth-alert.error { background: rgba(239,68,68,.10); color: #fca5a5; border: 1px solid rgba(239,68,68,.20); }
.auth-alert.success { background: rgba(34,197,94,.10); color: #86efac; border: 1px solid rgba(34,197,94,.20); }
.auth-divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: rgba(255,255,255,.3); font-size: 12px; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: rgba(255,255,255,.08); }
.auth-links { display: flex; justify-content: space-between; margin-top: 20px; font-size: 13px; }
.auth-links a { color: rgba(255,255,255,.5); transition: color .15s; }
.auth-links a:hover { color: var(--primary-light); }
.auth-footer { text-align: center; color: rgba(255,255,255,.25); font-size: 12px; margin-top: 24px; }

/* ===== 用户仪表盘 ===== */
.dashboard-page { min-height: 100vh; background: var(--bg); padding-top: 80px; }
.dashboard-nav {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%); z-index: 1000;
  display: flex; align-items: center; gap: 20px;
  padding: 10px 20px; border-radius: 999px;
  background: rgba(255,255,255,.80); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,.5); box-shadow: 0 4px 24px rgba(11,18,32,.06);
  max-width: 92vw;
}
.dashboard-content { max-width: var(--max-w); margin: 0 auto; padding: 20px; }

.welcome-banner {
  background: linear-gradient(135deg, var(--dark), var(--dark-2));
  border-radius: var(--radius); padding: 32px; color: #fff;
  margin-bottom: 24px; position: relative; overflow: hidden;
}
.welcome-banner::before {
  content: ''; position: absolute; top: -50%; right: -10%; width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(18,104,255,.20), transparent 70%); pointer-events: none;
}
.welcome-banner h1 { font-size: 24px; font-weight: 800; margin-bottom: 6px; position: relative; }
.welcome-banner p { color: rgba(255,255,255,.6); font-size: 14px; position: relative; }

/* 统计卡片 */
.dash-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.dash-stat-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; position: relative; overflow: hidden; transition: all .2s;
}
.dash-stat-card:hover { box-shadow: 0 8px 32px rgba(11,18,32,.06); }
.dash-stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.dash-stat-icon {
  width: 44px; height: 44px; border-radius: 12px; display: flex;
  align-items: center; justify-content: center; font-size: 20px; margin-bottom: 12px;
  background: rgba(18,104,255,.08); color: var(--primary);
}
.dash-stat-card .label { font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.dash-stat-card .value { font-size: 32px; font-weight: 800; color: var(--ink); }

/* 内容卡片 */
.dash-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
.dash-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; overflow: hidden;
}
.dash-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.dash-card-title { font-size: 17px; font-weight: 700; color: var(--ink); }
.dash-card-desc { font-size: 13px; color: var(--muted); margin-top: 2px; }

/* 机器人列表 */
.bot-list { display: flex; flex-direction: column; gap: 12px; }
.bot-item {
  display: flex; align-items: center; gap: 16px; padding: 16px;
  background: var(--bg-2); border-radius: var(--radius-sm); border: 1px solid var(--border);
  transition: all .15s;
}
.bot-item:hover { border-color: var(--primary); box-shadow: 0 4px 16px rgba(18,104,255,.06); }
.bot-avatar {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.bot-info { flex: 1; min-width: 0; }
.bot-name { font-size: 15px; font-weight: 600; color: var(--ink); }
.bot-detail { font-size: 13px; color: var(--muted); margin-top: 2px; }
.bot-meta { display: flex; gap: 8px; flex-shrink: 0; align-items: center; }

/* 黑名单列表 */
.blacklist-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px;
  background: var(--bg-2); border-radius: var(--radius-sm); margin-bottom: 8px;
  border: 1px solid var(--border);
}
.blacklist-item .qq-num { font-weight: 600; color: var(--ink); font-size: 14px; }
.blacklist-item .reason { color: var(--muted); font-size: 13px; flex: 1; }
.blacklist-item .time { color: var(--muted); font-size: 12px; }

/* 表格 */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { text-align: left; padding: 12px 16px; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--border); }
.data-table td { padding: 14px 16px; border-bottom: 1px solid var(--faint); font-size: 14px; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-2); }

/* 徽章 */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-success { background: rgba(34,197,94,.10); color: #16a34a; }
.badge-warning { background: rgba(245,158,11,.10); color: #d97706; }
.badge-danger { background: rgba(239,68,68,.10); color: #dc2626; }
.badge-info { background: rgba(18,104,255,.10); color: #2563eb; }
.badge-muted { background: rgba(100,116,139,.10); color: #64748b; }

/* 空状态 */
.empty-state { text-align: center; padding: 48px 20px; color: var(--muted); }
.empty-state .icon { font-size: 48px; margin-bottom: 12px; opacity: .3; }
.empty-state .text { font-size: 14px; }

/* Toast */
.toast { position: fixed; top: 80px; right: 24px; z-index: 9999; padding: 12px 20px; border-radius: 10px; font-size: 14px; font-weight: 500; box-shadow: 0 8px 32px rgba(0,0,0,.15); transform: translateX(120%); transition: transform .3s ease; }
.toast.show { transform: translateX(0); }
.toast-success { background: var(--success); color: #fff; }
.toast-error { background: var(--error); color: #fff; }

/* 公告 */
.announcement-bar {
  background: rgba(18,104,255,.06); border: 1px solid rgba(18,104,255,.15);
  border-radius: var(--radius-sm); padding: 12px 20px; margin-bottom: 24px;
  display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--primary);
}

/* 响应式 */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .dash-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .navbar-links { display: none; }
  .hero { min-height: auto; padding: 100px 20px 40px; }
  .hero-trust { flex-wrap: wrap; gap: 16px; }
  .section { padding: 60px 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-links { flex-direction: column; gap: 8px; }
}
@media (max-width: 480px) {
  .dash-stats { grid-template-columns: 1fr; }
  .auth-card { padding: 32px 24px; }
}

/* QQ avatar */
.qq-avatar{width:42px;height:42px;border-radius:50%;object-fit:cover;box-shadow:0 8px 25px rgba(18,104,255,.16);}
.verify-row{display:flex;gap:10px}.verify-row .form-input{flex:1}