/* ============================================================
   GodKing Portal — 设计系统 (Sorea Design System)
   ============================================================ */

/* ---- CSS 变量 ---- */
:root {
  --bg-primary: #1d1d1f;
  --surface: #363638;
  --surface-hover: #424244;
  --surface-active: #3a3a3a;
  --border-color: #3a3a3c;
  --border-hover: #4a4a4e;
  --border-featured: #5a5a5e;
  --text-primary: #c8c8c8;
  --text-secondary: #a1a1aa;
  --text-muted: #86868b;
  --text-disabled: #727273;
  --accent-indigo: #6366f1;
  --accent-indigo-light: #818cf8;
  --accent-indigo-text: #a78bfa;
  --accent-amber: #f59e0b;
  --accent-amber-light: #fbbf24;
  --accent-green: #34d399;
  --accent-pink: #f472b6;
}

/* ---- Reset & Base ---- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text',
    'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background-color: #1d1d1f;
  background-image:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E"),
    linear-gradient(135deg, #2c2c2e 0%, #151516 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: -0.01em;
}

input, select, button, textarea { font-family: inherit; font-size: 14px; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #1d1d1f; }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 3px; }

a { color: var(--accent-indigo-light); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================================================
   导航栏 — Glass Nav
   ============================================================ */
.topnav {
  height: 56px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.2);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px;
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
}
.topnav .logo { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.topnav .logo h1 {
  color: var(--text-primary);
  font-size: 17px; font-weight: 700; letter-spacing: -0.03em;
}
.topnav .nav-links { display: flex; align-items: center; gap: 2px; }
.topnav .nav-link {
  color: var(--text-muted); cursor: pointer;
  font-size: 14px; font-weight: 500;
  padding: 6px 14px; border-radius: 8px;
  transition: all 0.15s ease;
  border-bottom: none; /* 覆盖旧的下划线样式 */
}
.topnav .nav-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.07); }
.topnav .nav-link.active { color: #ffffff; background: rgba(255,255,255,0.1); }
.topnav .nav-right { display: flex; align-items: center; gap: 8px; }

/* 用户菜单 */
.topnav .user-menu { position: relative; }
.topnav .user-btn {
  display: flex; align-items: center; gap: 8px; cursor: pointer;
  color: var(--text-primary); padding: 6px 12px; border-radius: 10px;
  transition: background 0.15s;
}
.topnav .user-btn:hover { background: rgba(255,255,255,0.08); transform: none; }
.topnav .user-avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--surface); display: flex; align-items: center;
  justify-content: center; font-size: 13px; overflow: hidden;
}
.topnav .user-avatar img { width: 100%; height: 100%; object-fit: cover; }
.topnav .dropdown {
  display: none; position: absolute; top: 46px; right: 0;
  background: linear-gradient(160deg, #3c3c3e 0%, #2c2c2e 100%);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid #4a4a4e;
  border-radius: 14px; min-width: 200px;
  box-shadow:
    inset 0 1px 0 0 rgba(255,255,255,0.1),
    0 12px 40px rgba(0,0,0,0.5);
  overflow: hidden; z-index: 60;
}
.topnav .dropdown.show { display: block; }
.topnav .dropdown .dd-item {
  padding: 10px 16px; color: var(--text-secondary); cursor: pointer;
  font-size: 13px; display: flex; align-items: center; gap: 8px;
  transition: background 0.1s;
}
.topnav .dropdown .dd-item:hover { background: rgba(255,255,255,0.06); color: var(--text-primary); }
.topnav .dropdown .dd-sep { border-top: 1px solid var(--border-color); margin: 4px 0; }
.topnav .dropdown .dd-item.danger { color: #f87171; }
.topnav .dropdown .dd-item.danger:hover { background: rgba(248,113,113,0.08); }

/* ============================================================
   主布局
   ============================================================ */
.main-wrap { margin-top: 56px; min-height: calc(100vh - 56px); display: flex; flex-direction: column; }
.page-content { flex: 1; max-width: 1400px; width: 100%; margin: 0 auto; padding: 48px 64px; }

/* 侧边栏布局 */
.layout-sidebar { display: flex; margin-top: 56px; min-height: calc(100vh - 56px); }
.sidebar {
  width: 220px;
  background: rgba(255, 255, 255, 0.025);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border-right: 1px solid var(--border-color);
  padding: 16px 0; flex-shrink: 0;
  position: fixed; top: 56px; bottom: 0; overflow-y: auto;
}
.sidebar .tab {
  padding: 10px 20px; cursor: pointer; color: var(--text-muted);
  font-size: 14px; font-weight: 500;
  display: flex; align-items: center; gap: 10px;
  border-left: 2px solid transparent;
  transition: all 0.15s ease;
}
.sidebar .tab:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); transform: none; }
.sidebar .tab.active {
  color: var(--text-primary); border-left-color: var(--text-primary);
  background: rgba(255,255,255,0.06); font-weight: 600;
}
.sidebar .tab .icon { font-size: 15px; width: 20px; text-align: center; }
.sidebar .section-title {
  padding: 16px 20px 6px; color: var(--text-disabled);
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em;
}
.sidebar-content { margin-left: 220px; flex: 1; padding: 40px 48px; overflow-y: auto; }

/* ============================================================
   通用组件
   ============================================================ */
.page-title {
  color: var(--text-primary);
  font-size: 1.75rem; font-weight: 700;
  margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 12px;
  letter-spacing: -0.03em; line-height: 1.2;
}
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }

/* ============================================================
   统计卡片 — Metal Zinc Card
   ============================================================ */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin-bottom: 24px; }
.stat-card {
  background: linear-gradient(160deg, #3a3a3c 0%, #2e2e30 100%);
  border: 1px solid #4a4a4e;
  border-radius: 16px;
  padding: 24px 20px; text-align: center;
  box-shadow:
    inset 0 1px 0 0 rgba(255,255,255,0.1),
    0 1px 0 0 rgba(0,0,0,0.4),
    0 4px 20px rgba(0,0,0,0.4);
  transition: all 0.2s ease;
}
.stat-card:hover {
  background: linear-gradient(160deg, #444446 0%, #383838 100%);
  border-color: #5a5a5e;
  box-shadow:
    inset 0 1px 0 0 rgba(255,255,255,0.13),
    0 8px 30px rgba(0,0,0,0.55);
  transform: translateY(-2px);
}
.stat-card .label {
  color: var(--text-muted); font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 10px;
}
.stat-card .value {
  color: var(--text-primary); font-size: 2.2rem; font-weight: 700;
  letter-spacing: -0.03em; line-height: 1;
}

/* ============================================================
   Panel
   ============================================================ */
.panel {
  background: linear-gradient(160deg, #3a3a3c 0%, #2e2e30 100%);
  border: 1px solid #4a4a4e;
  border-radius: 16px; padding: 24px; margin-bottom: 16px;
  box-shadow:
    inset 0 1px 0 0 rgba(255,255,255,0.1),
    0 1px 0 0 rgba(0,0,0,0.4),
    0 4px 20px rgba(0,0,0,0.4);
}
.panel-title {
  color: var(--text-primary); font-size: 15px; font-weight: 600;
  margin-bottom: 16px; letter-spacing: -0.02em;
}

/* ============================================================
   表格
   ============================================================ */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  text-align: left; padding: 10px 14px;
  color: var(--text-muted); font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border-color); white-space: nowrap;
}
.data-table td {
  padding: 11px 14px; border-bottom: 1px solid rgba(58,58,60,0.5);
  vertical-align: middle; color: var(--text-secondary); font-size: 13px;
}
.data-table tr:hover td { background: rgba(255,255,255,0.03); }
.data-table .center { text-align: center; }
.data-table .mono { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 12px; }

/* ============================================================
   Badge
   ============================================================ */
.badge { display: inline-block; padding: 3px 10px; border-radius: 60px; font-size: 11px; font-weight: 600; }
.badge-green { background: rgba(52,211,153,0.12); color: var(--accent-green); border: 1px solid rgba(52,211,153,0.2); }
.badge-red { background: rgba(248,113,113,0.12); color: #f87171; border: 1px solid rgba(248,113,113,0.2); }
.badge-yellow { background: rgba(251,191,36,0.12); color: var(--accent-amber-light); border: 1px solid rgba(251,191,36,0.2); }
.badge-blue { background: rgba(129,140,248,0.12); color: var(--accent-indigo-light); border: 1px solid rgba(129,140,248,0.2); }
.badge-gray { background: rgba(161,161,170,0.1); color: var(--text-secondary); border: 1px solid rgba(161,161,170,0.15); }

/* ============================================================
   按钮
   ============================================================ */
.btn {
  padding: 9px 22px; border-radius: 8px; cursor: pointer; font-weight: 600;
  border: none; transition: all 0.1s ease;
  display: inline-flex; align-items: center; gap: 8px; font-size: 14px;
}
/* 主按钮：白底黑字 */
.btn-primary { background: #c8c8c8; color: #000; border: 1px solid #c8c8c8; }
.btn-primary:hover { background: #ffffff; border-color: #ffffff; }
.btn-primary:active { transform: scale(0.98); }
/* 次按钮：透明边框 */
.btn-ghost { background: transparent; border: 1px solid #6b6b6e; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--surface); color: var(--text-primary); border-color: var(--border-hover); transform: none; }
/* 危险按钮 */
.btn-danger { background: transparent; border: 1px solid rgba(248,113,113,0.4); color: #f87171; }
.btn-danger:hover { background: rgba(248,113,113,0.1); transform: none; }
/* 蓝色按钮 */
.btn-blue { background: rgba(129,140,248,0.12); color: var(--accent-indigo-light); border: 1px solid rgba(129,140,248,0.25); }
.btn-blue:hover { background: rgba(129,140,248,0.2); transform: none; }
/* 小号 */
.btn-sm { padding: 6px 14px; font-size: 13px; border-radius: 7px; }

/* ============================================================
   输入框
   ============================================================ */
.input {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-primary); padding: 10px 14px;
  border-radius: 10px; outline: none;
  transition: all 0.2s ease; font-size: 14px; width: 100%;
}
.input:focus {
  background: rgba(255,255,255,0.09);
  border-color: rgba(99,102,241,0.5);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}
.input::placeholder { color: rgba(255,255,255,0.25); }
.input-sm { padding: 7px 11px; font-size: 13px; }
.select {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-primary); padding: 9px 13px; border-radius: 10px;
  outline: none; cursor: pointer; font-size: 14px;
}

/* ============================================================
   分页
   ============================================================ */
.pagination { display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 20px; color: var(--text-muted); font-size: 13px; }
.pagination .page-btn { color: var(--accent-indigo-light); cursor: pointer; padding: 5px 12px; border-radius: 7px; border: 1px solid var(--border-color); transition: all 0.1s; }
.pagination .page-btn:hover { background: rgba(129,140,248,0.1); border-color: var(--border-hover); }

/* ============================================================
   弹窗
   ============================================================ */
.modal-overlay {
  display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.7); z-index: 200;
  justify-content: center; align-items: center;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.modal-overlay.show { display: flex; }
.modal {
  background: linear-gradient(160deg, #3c3c3e 0%, #2c2c2e 100%);
  backdrop-filter: blur(40px); -webkit-backdrop-filter: blur(40px);
  border: 1px solid #4a4a4e;
  padding: 36px; border-radius: 20px; width: 460px;
  max-height: 90vh; overflow-y: auto;
  box-shadow:
    inset 0 1px 0 0 rgba(255,255,255,0.1),
    0 20px 60px rgba(0,0,0,0.6);
}
.modal h3 {
  color: var(--text-primary); margin-bottom: 24px;
  font-size: 1.2rem; letter-spacing: -0.03em; font-weight: 700;
}
.modal .field { margin-bottom: 16px; }
.modal .field label {
  display: block; color: var(--text-muted);
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 7px;
}
.modal .field input, .modal .field select, .modal .field textarea { width: 100%; }
.modal .field textarea { height: 90px; resize: vertical; }
.modal .actions { display: flex; gap: 10px; margin-top: 22px; }
.modal .link-btn { color: var(--accent-indigo-light); cursor: pointer; font-size: 13px; margin-top: 14px; display: inline-block; }
.modal .link-btn:hover { text-decoration: underline; }
.modal .msg { margin-top: 10px; font-size: 13px; min-height: 18px; }
.modal .msg.err { color: #f87171; }
.modal .msg.ok { color: var(--accent-green); }

/* ============================================================
   策略卡片 — Metal Zinc Card
   ============================================================ */
.strategy-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-bottom: 24px; }
.strategy-card {
  background: linear-gradient(160deg, #3a3a3c 0%, #2e2e30 100%);
  border: 1px solid #4a4a4e;
  border-radius: 16px; padding: 22px; cursor: pointer;
  box-shadow:
    inset 0 1px 0 0 rgba(255,255,255,0.1),
    0 1px 0 0 rgba(0,0,0,0.4),
    0 4px 24px rgba(0,0,0,0.4);
  transition: all 0.2s ease;
}
.strategy-card:hover {
  background: linear-gradient(160deg, #444446 0%, #383838 100%);
  border-color: #5a5a5e;
  box-shadow:
    inset 0 1px 0 0 rgba(255,255,255,0.13),
    0 1px 0 0 rgba(0,0,0,0.4),
    0 8px 32px rgba(0,0,0,0.55);
  transform: translateY(-3px);
}
.strategy-card .card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.strategy-card .card-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--surface-active); display: flex; align-items: center;
  justify-content: center; font-size: 17px; overflow: hidden; flex-shrink: 0;
}
.strategy-card .card-avatar img { width: 100%; height: 100%; object-fit: cover; }
.strategy-card .card-provider { color: var(--text-muted); font-size: 12px; }
.strategy-card .card-name {
  color: var(--text-primary); font-size: 16px; font-weight: 700;
  margin-bottom: 8px; letter-spacing: -0.02em; line-height: 1.3;
}
.strategy-card .card-stats { display: flex; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.strategy-card .card-stat { font-size: 12px; color: var(--text-muted); }
.strategy-card .card-stat span { color: var(--accent-green); font-weight: 700; }
.strategy-card .card-tags { display: flex; gap: 5px; flex-wrap: wrap; }
.strategy-card .card-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 60px;
  background: rgba(129,140,248,0.1); color: var(--accent-indigo-light);
  border: 1px solid rgba(129,140,248,0.2);
}
.strategy-card .card-price { margin-top: 8px; font-size: 12px; color: var(--accent-green); font-weight: 600; }

/* ============================================================
   筛选栏
   ============================================================ */
.filter-bar { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }
.filter-tag {
  padding: 5px 14px; border-radius: 60px; font-size: 12px; cursor: pointer;
  background: transparent; border: 1px solid var(--border-color);
  color: var(--text-muted); transition: all 0.15s; font-weight: 500;
}
.filter-tag:hover { border-color: var(--text-muted); color: var(--text-primary); background: rgba(255,255,255,0.04); }
.filter-tag.active {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.25);
  color: #ffffff;
}

/* ============================================================
   推广横幅
   ============================================================ */
.promo-banner {
  background: rgba(99,102,241,0.08); border: 1px solid rgba(99,102,241,0.2);
  border-radius: 10px; padding: 11px 18px; margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px;
  color: var(--accent-indigo-text); font-size: 13px; font-weight: 500;
}

/* ============================================================
   详情页
   ============================================================ */
.detail-back {
  color: var(--accent-indigo-light); cursor: pointer; font-size: 13px;
  margin-bottom: 14px; display: inline-flex; align-items: center; gap: 4px;
  font-weight: 500;
}
.detail-back:hover { text-decoration: underline; }
.detail-header { margin-bottom: 20px; }
.detail-header h2 {
  color: var(--text-primary); font-size: 1.4rem; font-weight: 700;
  margin-bottom: 8px; letter-spacing: -0.03em;
}
.detail-header .meta { color: var(--text-muted); font-size: 12px; display: flex; gap: 14px; flex-wrap: wrap; }

.perf-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; margin: 16px 0; }
.perf-card {
  background: linear-gradient(160deg, #3a3a3c 0%, #2e2e30 100%);
  border: 1px solid #4a4a4e;
  border-radius: 12px; padding: 14px; text-align: center;
  box-shadow: inset 0 1px 0 0 rgba(255,255,255,0.08);
}
.perf-card .perf-label {
  color: var(--text-muted); font-size: 10px; margin-bottom: 6px;
  text-transform: uppercase; letter-spacing: 0.07em; font-weight: 600;
}
.perf-card .perf-value { color: var(--text-primary); font-size: 1.2rem; font-weight: 700; letter-spacing: -0.02em; }

.chart-wrap {
  background: rgba(255,255,255,0.02); border: 1px solid var(--border-color);
  border-radius: 14px; padding: 16px; margin-bottom: 16px;
}
.chart-range { display: flex; gap: 6px; margin-bottom: 12px; }
.chart-range .range-btn {
  padding: 5px 14px; border-radius: 8px; font-size: 12px; cursor: pointer;
  background: transparent; border: 1px solid var(--border-color);
  color: var(--text-muted); font-weight: 500; transition: all 0.1s;
}
.chart-range .range-btn.active {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.25);
  color: #ffffff;
}

/* ============================================================
   页脚
   ============================================================ */
.footer {
  background: rgba(255,255,255,0.015);
  border-top: 1px solid var(--border-color);
  padding: 40px 32px 24px; margin-top: 40px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-ad {
  background: var(--surface); border: 1px solid var(--border-color);
  border-radius: 12px; padding: 14px 22px; margin-bottom: 24px; text-align: center;
  box-shadow: inset 0 1px 0 0 rgba(200,200,200,0.07);
}
.footer-ad a { color: var(--text-primary); font-weight: 600; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 24px; }
.footer-col h4 { color: var(--text-primary); font-size: 13px; font-weight: 600; margin-bottom: 10px; letter-spacing: -0.01em; }
.footer-col a { display: block; color: var(--text-muted); font-size: 12px; margin-bottom: 7px; transition: color 0.1s; }
.footer-col a:hover { color: var(--text-primary); text-decoration: none; }
.footer-risk {
  background: rgba(248,113,113,0.05); border: 1px solid rgba(248,113,113,0.15);
  border-radius: 8px; padding: 10px 14px; margin-bottom: 18px;
  font-size: 11px; color: var(--text-muted); line-height: 1.7;
}
.footer-bottom {
  text-align: center; color: var(--text-disabled); font-size: 11px;
  padding-top: 14px; border-top: 1px solid var(--border-color);
}

/* ============================================================
   两栏
   ============================================================ */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
  .strategy-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .topnav { padding: 0 16px; }
  .topnav .nav-links { gap: 2px; }
  .topnav .nav-link { font-size: 13px; padding: 5px 10px; }
  .page-content { padding: 24px 16px; }
  .sidebar { width: 160px; }
  .sidebar .tab { padding: 9px 14px; font-size: 13px; }
  .sidebar-content { margin-left: 160px; padding: 20px 16px; }
  .modal { width: 90%; max-width: 400px; padding: 24px; }
  .stat-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
  .stat-card .value { font-size: 1.8rem; }
  .footer { padding: 28px 16px 20px; }
  .perf-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
}

@media (max-width: 520px) {
  .topnav { padding: 0 12px; height: 50px; }
  .topnav .logo h1 { font-size: 15px; }
  .topnav .nav-links {
    display: none; position: fixed; top: 50px; left: 0; right: 0;
    background: rgba(29,29,31,0.97);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column; padding: 8px 0; gap: 0; z-index: 55;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  }
  .topnav .nav-links.mobile-show { display: flex; }
  .topnav .nav-link { padding: 11px 18px; font-size: 14px; border-radius: 0; }
  .topnav .nav-right { gap: 6px; }
  .topnav .nav-right .btn { padding: 5px 10px; font-size: 12px; }
  #menuToggle { display: flex !important; }
  .main-wrap { margin-top: 50px; }
  .page-content { padding: 16px 12px; }
  .page-title { font-size: 1.2rem; }
  .layout-sidebar { flex-direction: column; }
  .sidebar {
    position: fixed; top: 50px; left: 0; right: 0; bottom: auto;
    width: 100%; height: auto; border-right: none;
    border-bottom: 1px solid var(--border-color);
    display: flex; overflow-x: auto; overflow-y: hidden;
    padding: 0; z-index: 45; -webkit-overflow-scrolling: touch;
  }
  .sidebar .section-title { display: none; }
  .sidebar .tab {
    padding: 10px 14px; white-space: nowrap; border-left: none;
    border-bottom: 2px solid transparent; font-size: 13px; flex-shrink: 0;
  }
  .sidebar .tab.active { border-left: none; border-bottom-color: var(--text-primary); }
  .sidebar-content { margin-left: 0; margin-top: 44px; padding: 14px 12px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .stat-card { padding: 16px 12px; }
  .stat-card .value { font-size: 1.6rem; }
  .stat-card .label { font-size: 10px; }
  .strategy-grid { grid-template-columns: 1fr; gap: 10px; }
  .strategy-card { padding: 16px; }
  .strategy-card .card-name { font-size: 14px; }
  .filter-bar { gap: 5px; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
  .filter-tag { flex-shrink: 0; padding: 4px 12px; font-size: 11px; }
  .data-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .data-table th, .data-table td { padding: 9px 10px; font-size: 11px; white-space: nowrap; }
  .modal-overlay { align-items: flex-end; }
  .modal { width: 100%; max-width: 100%; border-radius: 16px 16px 0 0; padding: 22px 18px; max-height: 85vh; }
  .modal h3 { font-size: 1rem; }
  .modal .actions { flex-direction: column; }
  .modal .actions .btn { width: 100%; justify-content: center; }
  .perf-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .perf-card { padding: 10px; }
  .perf-card .perf-value { font-size: 1rem; }
  .detail-header h2 { font-size: 1.1rem; }
  .promo-banner { font-size: 12px; padding: 9px 12px; }
  .footer { padding: 22px 12px 14px; }
  .footer-ad { padding: 10px 14px; font-size: 12px; }
  .footer-risk { font-size: 11px; }
  .footer-cols { gap: 0; }
  .footer-col { border-bottom: 1px solid var(--border-color); padding: 0; }
  .footer-col:last-child { border-bottom: none; }
  .footer-col h4 {
    cursor: pointer; padding: 13px 0; margin: 0;
    display: flex; justify-content: space-between; align-items: center; font-size: 13px;
  }
  .footer-col h4::after { content: '＋'; font-size: 14px; color: var(--text-muted); }
  .footer-col.open h4::after { content: '－'; }
  .footer-col a { display: none; padding: 5px 0 5px 8px; font-size: 12px; }
  .footer-col.open a { display: block; }
  .footer-col.open { padding-bottom: 8px; }
  .chart-wrap { padding: 10px; }
  .chart-range .range-btn { padding: 4px 10px; font-size: 11px; }
  .toolbar { gap: 8px; }
  .toolbar .btn { font-size: 12px; padding: 5px 10px; }
}

/* ============================================================
   about.html / faq.html / tutorial.html 专属样式
   ============================================================ */

/* 通用 header */
.header {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.header a { color: var(--text-primary); text-decoration: none; font-size: 16px; font-weight: 700; letter-spacing: -0.02em; }
.header .back-btn {
  color: var(--text-muted); font-size: 12px; font-weight: 600;
  padding: 6px 14px; border: 1px solid var(--border-color);
  border-radius: 8px; transition: all 0.15s;
}
.header .back-btn:hover { color: var(--text-primary); border-color: var(--border-hover); }

/* about.html */
.hero { text-align: center; padding: 72px 20px 52px; border-bottom: 1px solid var(--border-color); }
.hero h1 { font-size: 2rem; color: var(--text-primary); margin-bottom: 14px; font-weight: 700; letter-spacing: -0.03em; }
.hero .subtitle { font-size: 1rem; color: var(--text-muted); max-width: 560px; margin: 0 auto; }

.container { max-width: 900px; margin: 0 auto; padding: 0 24px; }
.section { padding: 52px 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
.section:last-child { border-bottom: none; }
.section h2 { font-size: 1.3rem; color: var(--text-primary); margin-bottom: 28px; text-align: center; font-weight: 700; letter-spacing: -0.02em; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.feature-card {
  background: var(--surface); border: 1px solid var(--border-color);
  border-radius: 14px; padding: 22px 18px; text-align: center;
  box-shadow: inset 0 1px 0 0 rgba(200,200,200,0.07), 0 4px 20px rgba(0,0,0,0.3);
  transition: all 0.2s ease;
}
.feature-card:hover { background: var(--surface-hover); border-color: var(--border-hover); transform: translateY(-2px); }
.feature-card .icon { font-size: 2rem; margin-bottom: 12px; }
.feature-card h3 { color: var(--text-primary); font-size: 14px; margin-bottom: 8px; font-weight: 600; }
.feature-card p { color: var(--text-muted); font-size: 13px; line-height: 1.7; }

.flow { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.flow-step {
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.25);
  border-radius: 8px; padding: 10px 18px; color: var(--accent-indigo-text);
  font-size: 13px; font-weight: 600; text-align: center; min-width: 110px;
}
.flow-arrow { color: var(--text-disabled); font-size: 18px; }

.role-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.role-card {
  background: var(--surface); border: 1px solid var(--border-color);
  border-radius: 14px; padding: 22px;
  box-shadow: inset 0 1px 0 0 rgba(200,200,200,0.07), 0 4px 20px rgba(0,0,0,0.3);
}
.role-card h3 { color: var(--text-primary); font-size: 15px; margin-bottom: 14px; font-weight: 700; }
.role-card ul { list-style: none; padding: 0; }
.role-card li { padding: 5px 0; color: var(--text-muted); font-size: 13px; }
.role-card li::before { content: "✓ "; color: var(--accent-green); font-weight: 700; }

.tech-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 18px; }
.tech-tag {
  background: var(--surface); border: 1px solid var(--border-color);
  border-radius: 60px; padding: 6px 16px; color: var(--text-secondary); font-size: 12px;
}

.risk-box {
  background: rgba(248,113,113,0.06); border: 1px solid rgba(248,113,113,0.18);
  border-radius: 10px; padding: 18px 22px; margin-top: 18px;
  color: #fca5a5; font-size: 13px; line-height: 1.8; text-align: center;
}

.cta { text-align: center; padding: 52px 20px; }
.cta h2 { color: var(--text-primary); font-size: 1.4rem; margin-bottom: 12px; font-weight: 700; letter-spacing: -0.02em; }
.cta p { color: var(--text-muted); margin-bottom: 24px; font-size: 14px; }
.cta-btn {
  display: inline-block; background: #c8c8c8; color: #000;
  text-decoration: none; padding: 12px 36px; border-radius: 8px;
  font-size: 14px; font-weight: 600; transition: background 0.1s;
}
.cta-btn:hover { background: #ffffff; }

.footer-static { text-align: center; padding: 28px; color: var(--text-disabled); font-size: 12px; border-top: 1px solid var(--border-color); }
.footer-static a { color: var(--text-muted); text-decoration: none; margin: 0 10px; }
.footer-static a:hover { color: var(--text-primary); }

/* faq.html */
.category { margin-bottom: 36px; }
.category h2 {
  font-size: 1.05rem; color: var(--text-primary); font-weight: 700;
  border-left: 3px solid var(--text-primary); padding-left: 12px; margin-bottom: 14px;
}
.faq-item {
  background: var(--surface); border: 1px solid var(--border-color);
  border-radius: 12px; margin-bottom: 6px; overflow: hidden;
  box-shadow: inset 0 1px 0 0 rgba(200,200,200,0.07);
  transition: border-color 0.15s;
}
.faq-item:hover { border-color: var(--border-hover); }
.faq-q {
  padding: 14px 18px; cursor: pointer; display: flex;
  justify-content: space-between; align-items: center;
  font-size: 14px; color: var(--text-primary); font-weight: 600;
  transition: background 0.1s;
}
.faq-q:hover { background: rgba(255,255,255,0.04); }
.faq-q .arrow { color: var(--text-muted); font-size: 11px; transition: transform 0.25s; }
.faq-item.open .faq-q .arrow { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-item.open .faq-a { max-height: 500px; }
.faq-a-inner {
  padding: 12px 18px 16px; color: var(--text-muted); font-size: 13px;
  line-height: 1.8; border-top: 1px solid var(--border-color);
}
.faq-a-inner code {
  background: rgba(99,102,241,0.12); color: var(--accent-indigo-text);
  padding: 2px 6px; border-radius: 4px; font-size: 12px;
}

/* tutorial.html */
.doc-topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  height: 52px;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: space-between; padding: 0 24px;
}
.doc-topbar .logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.doc-topbar .logo span { font-size: 20px; }
.doc-topbar .logo h1 { color: var(--text-primary); font-size: 15px; font-weight: 700; margin: 0; }
.doc-topbar .actions { display: flex; gap: 8px; }
.doc-topbar .btn {
  padding: 6px 14px; border-radius: 7px; cursor: pointer; font-weight: 600;
  border: none; font-size: 12px; text-decoration: none;
  display: inline-flex; align-items: center; gap: 5px;
}
.doc-topbar .btn-back { background: transparent; border: 1px solid var(--border-color); color: var(--text-muted); }
.doc-topbar .btn-back:hover { color: var(--text-primary); border-color: var(--border-hover); }
.doc-topbar .btn-print { background: #c8c8c8; color: #000; }
.doc-topbar .btn-print:hover { background: #ffffff; }

.doc-container {
  max-width: 800px; margin: 72px auto 52px; padding: 36px 44px;
  background: var(--surface);
  border: 1px solid var(--border-color); border-radius: 16px;
  box-shadow: inset 0 1px 0 0 rgba(200,200,200,0.07), 0 8px 32px rgba(0,0,0,0.3);
}
.doc-container h1 {
  text-align: center; color: var(--text-primary); font-size: 1.4rem; font-weight: 700;
  padding-bottom: 18px; margin-bottom: 28px;
  border-bottom: 1px solid var(--border-color); letter-spacing: -0.02em;
}
.doc-container h1::before { content: '👑 '; }
.doc-container h2 {
  color: var(--text-primary); font-size: 1rem; font-weight: 700;
  margin-top: 36px; margin-bottom: 14px; padding: 10px 14px;
  background: rgba(255,255,255,0.04); border-left: 3px solid var(--text-primary);
  border-radius: 0 8px 8px 0;
}
.doc-container h3 { color: var(--text-secondary); font-size: 14px; font-weight: 600; margin-top: 24px; margin-bottom: 8px; }
.doc-container h4 { color: var(--text-muted); font-size: 13px; font-weight: 600; margin-top: 18px; margin-bottom: 6px; }
.doc-container p { margin-bottom: 10px; color: var(--text-secondary); font-size: 14px; }
.doc-container strong { color: var(--text-primary); }
.doc-container a { color: var(--accent-indigo-light); }
.doc-container blockquote {
  border-left: 3px solid var(--border-featured); background: rgba(255,255,255,0.03);
  margin: 14px 0; padding: 10px 16px; border-radius: 0 8px 8px 0;
  color: var(--text-muted); font-size: 13px;
}
.doc-container blockquote p { margin: 0; }
.doc-container hr { border: none; border-top: 1px solid var(--border-color); margin: 28px 0; }
.doc-container ol, .doc-container ul { padding-left: 22px; margin-bottom: 10px; }
.doc-container li { margin-bottom: 5px; color: var(--text-secondary); font-size: 14px; }
.doc-container table { border-collapse: collapse; width: 100%; margin: 14px 0; font-size: 12px; }
.doc-container th, .doc-container td { border: 1px solid var(--border-color); padding: 9px 12px; text-align: left; }
.doc-container th { background: rgba(255,255,255,0.04); color: var(--text-primary); font-weight: 600; }
.doc-container td { color: var(--text-secondary); }
.doc-container tr:hover td { background: rgba(255,255,255,0.02); }
.doc-container code {
  background: rgba(255,255,255,0.06); padding: 2px 6px; border-radius: 4px;
  font-size: 12px; font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  color: var(--accent-indigo-text);
}
.doc-container pre {
  background: rgba(0,0,0,0.3); border: 1px solid var(--border-color);
  border-radius: 8px; padding: 14px; overflow-x: auto; font-size: 12px;
  line-height: 1.6; margin: 10px 0;
}
.doc-container pre code { background: none; padding: 0; color: var(--text-primary); }

@media (max-width: 768px) {
  .doc-container { margin: 62px 12px 36px; padding: 22px 18px; border-radius: 12px; }
  .doc-container h1 { font-size: 1.1rem; }
  .doc-container h2 { font-size: 0.95rem; padding: 8px 12px; }
  .doc-topbar { padding: 0 12px; }
  .doc-topbar .logo h1 { font-size: 13px; }
  .doc-container table { display: block; overflow-x: auto; }
  .role-grid { grid-template-columns: 1fr; }
  .flow { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }
}

@media print {
  body { background: #fff !important; color: #333 !important; }
  .no-print { display: none !important; }
  .doc-container { border: none !important; box-shadow: none !important; background: #fff !important; }
  h1, h2, h3, h4, strong { color: #1a1a1a !important; }
  blockquote { background: #fffbe6 !important; color: #666 !important; }
  th { background: #f5f0e0 !important; color: #333 !important; }
  td, tr { background: #fff !important; color: #333 !important; }
  code { background: #f4f4f4 !important; color: #333 !important; }
}