/* ============================================
   Dreamind GEO v5.3 — AI品牌可见度分析平台
   专业企业级SaaS设计系统
   ============================================ */

:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-bg: #eef2ff;
    --success: #10b981;
    --success-bg: #ecfdf5;
    --success-dark: #059669;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --warning-dark: #d97706;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    --danger-dark: #dc2626;
    --info: #3b82f6;
    --info-bg: #eff6ff;
    --info-dark: #2563eb;
    --violet: #8b5cf6;
    --violet-bg: #f5f3ff;
    --cyan: #06b6d4;
    --cyan-bg: #ecfeff;

    --bg: #f8fafc;
    --bg-card: #ffffff;
    --bg-sidebar: #0f0d2e;
    --bg-sidebar-hover: #25215a;
    --bg-sidebar-active: #3730a3;
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-on-dark: #e2e8f0;
    --border: #e2e8f0;
    --border-light: #f1f5f9;

    --radius: 14px;
    --radius-sm: 10px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,.04);
    --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
    --shadow: 0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.07),0 2px 4px -1px rgba(0,0,0,.04);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08),0 4px 6px -2px rgba(0,0,0,.04);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04);

    --sidebar-width: 260px;
    --topbar-height: 64px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: .2s cubic-bezier(.4,0,.2,1);
}

/* ============ Reset & Base ============ */
*,*::before,*::after { box-sizing:border-box;margin:0;padding:0; }
html { font-size:14px; scroll-behavior:smooth; }
body { font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased; }
a { color:var(--primary);text-decoration:none;transition:color var(--transition); }
a:hover { color:var(--primary-dark); }
input,textarea,select,button { font-family:inherit;font-size:inherit; }
button { cursor:pointer;border:none; }
::selection { background:var(--primary);color:#fff; }
::-webkit-scrollbar { width:6px;height:6px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--border);border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--text-light); }

/* ============ Typography ============ */
h1 { font-size:1.75rem;font-weight:700;letter-spacing:-0.02em; }
h2 { font-size:1.35rem;font-weight:700;letter-spacing:-0.01em; }
h3 { font-size:1.15rem;font-weight:600; }
h4 { font-size:1rem;font-weight:600; }
.page-subtitle { font-size:13px;color:var(--text-secondary);margin-top:2px; }

/* ============ Form ============ */
.form-group { margin-bottom:20px; }
.form-group label {
    display:block;font-weight:600;margin-bottom:6px;font-size:13px;color:var(--text);
    letter-spacing:-0.01em;
}
.form-group label .label-hint { font-weight:400;color:var(--text-light);margin-left:4px; }
.form-group input,.form-group textarea,.form-group select {
    width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);
    font-size:14px;transition:all var(--transition);background:#fff;color:var(--text);
    outline:none;
}
.form-group input:hover,.form-group textarea:hover,.form-group select:hover { border-color:#cbd5e1; }
.form-group input:focus,.form-group textarea:focus,.form-group select:focus {
    border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.12);
}
.form-group input:disabled { background:var(--bg);color:var(--text-secondary);cursor:not-allowed;border-style:dashed; }
.form-group input::placeholder { color:var(--text-light); }
.form-group textarea { resize:vertical;min-height:80px; }
.form-hint { font-size:12px;color:var(--text-light);margin-top:5px;display:flex;align-items:center;gap:4px; }

/* Input with icon */
.input-group { position:relative;display:flex;align-items:center; }
.input-group .input-icon {
    position:absolute;left:14px;color:var(--text-light);font-size:15px;pointer-events:none;z-index:1;
}
.input-group input { padding-left:40px; }
.input-group .input-suffix {
    position:absolute;right:12px;font-size:12px;color:var(--text-light);pointer-events:none;
}

/* ============ Buttons ============ */
.btn-primary {
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:11px 24px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));
    color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;
    transition:all var(--transition);box-shadow:0 2px 8px rgba(99,102,241,.25);position:relative;overflow:hidden;
}
.btn-primary::after {
    content:'';position:absolute;inset:0;background:linear-gradient(135deg,transparent,rgba(255,255,255,.1));
    opacity:0;transition:opacity var(--transition);
}
.btn-primary:hover { transform:translateY(-1px);box-shadow:0 6px 16px rgba(99,102,241,.35); }
.btn-primary:hover::after { opacity:1; }
.btn-primary:active { transform:translateY(0);box-shadow:0 1px 4px rgba(99,102,241,.2); }
.btn-primary:disabled { opacity:.55;cursor:not-allowed;transform:none;box-shadow:none; }

.btn-secondary {
    display:inline-flex;align-items:center;justify-content:center;gap:6px;
    padding:10px 20px;background:#fff;color:var(--text);border:1.5px solid var(--border);
    border-radius:var(--radius-sm);font-size:13px;font-weight:500;transition:all var(--transition);
}
.btn-secondary:hover { background:var(--bg);border-color:#cbd5e1;color:var(--primary); }
.btn-secondary:disabled { opacity:.55;cursor:not-allowed; }

.btn-sm { padding:6px 12px;font-size:12px;border-radius:7px;gap:5px; }
.btn-xs { padding:4px 10px;font-size:11px;border-radius:6px;gap:4px; }
.btn-full { width:100%; }

.btn-icon {
    display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
    background:none;color:var(--text-secondary);border-radius:var(--radius-sm);font-size:16px;transition:all var(--transition);
}
.btn-icon:hover { background:var(--bg);color:var(--text); }
.btn-icon:active { background:var(--border-light); }

.btn-link { color:var(--primary);background:none;font-size:13px;font-weight:500;padding:4px 8px;cursor:pointer;text-decoration:none;border-radius:4px;transition:all var(--transition); }
.btn-link:hover { background:var(--primary-bg);text-decoration:none; }
.btn-link.danger { color:var(--danger); }
.btn-link.danger:hover { background:var(--danger-bg); }

.btn-danger {
    display:inline-flex;align-items:center;gap:6px;padding:11px 24px;background:var(--danger);
    color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;
    transition:all var(--transition);box-shadow:0 2px 8px rgba(239,68,68,.25);
}
.btn-danger:hover { background:var(--danger-dark);transform:translateY(-1px);box-shadow:0 6px 16px rgba(239,68,68,.35); }

.btn-ghost {
    display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:transparent;
    color:var(--text-secondary);border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:500;transition:all var(--transition);
}
.btn-ghost:hover { background:var(--bg);color:var(--text); }

/* ============ Auth Page ============ */
.auth-page {
    min-height:100vh;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,#0f0d2e 0%,#1e1b4b 30%,#312e81 60%,#4f46e5 100%);
    position:relative;overflow:hidden;padding:20px;
}
.auth-page::before {
    content:'';position:absolute;top:0;left:0;right:0;bottom:0;
    background:
        radial-gradient(ellipse at 20% 50%,rgba(99,102,241,.15) 0%,transparent 50%),
        radial-gradient(ellipse at 80% 20%,rgba(139,92,246,.1) 0%,transparent 50%),
        radial-gradient(ellipse at 50% 80%,rgba(16,185,129,.08) 0%,transparent 50%);
    pointer-events:none;
}
.auth-container {
    display:flex;max-width:1000px;width:100%;background:rgba(255,255,255,.98);
    border-radius:var(--radius-xl);overflow:hidden;box-shadow:0 30px 60px -12px rgba(0,0,0,.3);
    min-height:580px;position:relative;z-index:1;backdrop-filter:blur(20px);
}
.auth-left {
    flex:1;background:linear-gradient(160deg,#0f0d2e 0%,#312e81 40%,#4f46e5 100%);
    padding:56px 44px;display:flex;flex-direction:column;justify-content:center;
    color:#fff;position:relative;overflow:hidden;
}
.auth-left::before {
    content:'';position:absolute;top:-30%;right:-40%;width:120%;height:120%;
    background:radial-gradient(circle at 70% 30%,rgba(99,102,241,.35) 0%,transparent 60%);
    pointer-events:none;
}
.auth-left::after {
    content:'';position:absolute;bottom:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);
}
.brand-icon {
    width:60px;height:60px;background:rgba(255,255,255,.12);border-radius:18px;display:flex;
    align-items:center;justify-content:center;font-size:26px;margin-bottom:24px;
    backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15);
}
.auth-brand { margin-bottom:48px;position:relative;z-index:1; }
.auth-brand h1 { font-size:34px;font-weight:800;margin-bottom:6px;letter-spacing:-0.03em; }
.brand-subtitle { font-size:16px;color:rgba(255,255,255,.6);font-weight:400; }
.auth-features { position:relative;z-index:1;display:flex;flex-direction:column;gap:4px; }
.feature-item { display:flex;gap:16px;align-items:flex-start;padding:14px 0; }
.feature-item i {
    width:42px;height:42px;background:rgba(255,255,255,.08);border-radius:12px;
    display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;
    border:1px solid rgba(255,255,255,.1);
}
.feature-item h4 { font-size:15px;font-weight:600;margin-bottom:2px; }
.feature-item p { font-size:13px;color:rgba(255,255,255,.5);line-height:1.5; }
.auth-right { flex:1;padding:56px 48px;display:flex;align-items:center;justify-content:center; }
.auth-form-wrapper { width:100%;max-width:380px; }
#auth-title { font-size:28px;font-weight:700;margin-bottom:4px;letter-spacing:-0.02em; }
.auth-desc { color:var(--text-secondary);margin-bottom:32px;font-size:15px; }

.login-tabs { display:flex;margin-bottom:28px;background:var(--border-light);border-radius:var(--radius-sm);padding:3px; }
.login-tab {
    flex:1;text-align:center;padding:9px 0;font-size:14px;font-weight:500;color:var(--text-secondary);
    cursor:pointer;transition:all var(--transition);border-radius:7px;position:relative;
}
.login-tab:hover { color:var(--text); }
.login-tab.active { background:#fff;color:var(--primary);font-weight:600;box-shadow:var(--shadow-sm); }

/* ============ Layout ============ */
#main-app { display:flex;min-height:100vh; }

/* Sidebar */
.sidebar {
    width:var(--sidebar-width);background:var(--bg-sidebar);color:var(--text-on-dark);
    display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;
    transition:transform .3s cubic-bezier(.4,0,.2,1);
    box-shadow:4px 0 24px rgba(0,0,0,.15);
}
.sidebar.collapsed { transform:translateX(-100%); }
.sidebar-brand {
    padding:22px 20px 18px;display:flex;align-items:center;gap:12px;
    border-bottom:1px solid rgba(255,255,255,.06);
}
.sidebar-brand strong { font-size:16px;font-weight:700;letter-spacing:-0.01em; }
.sidebar-brand small { font-size:10px;color:rgba(255,255,255,.4);display:block;text-transform:uppercase;letter-spacing:.05em; }

.brand-icon-sm {
    width:38px;height:38px;background:linear-gradient(135deg,rgba(99,102,241,.4),rgba(139,92,246,.4));
    border-radius:12px;display:flex;align-items:center;justify-content:center;
    font-size:17px;flex-shrink:0;border:1px solid rgba(255,255,255,.1);
}

.sidebar-user {
    display:flex;align-items:center;gap:10px;padding:18px 20px;
    border-bottom:1px solid rgba(255,255,255,.06);background:rgba(255,255,255,.02);
}
.sidebar-user .user-avatar {
    width:38px;height:38px;background:linear-gradient(135deg,var(--primary),var(--violet));
    border-radius:11px;display:flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:700;color:#fff;flex-shrink:0;box-shadow:0 2px 8px rgba(99,102,241,.3);
}
.user-name { font-size:13px;font-weight:600;color:#fff; }
.user-plan { font-size:11px;color:rgba(255,255,255,.4); }

.sidebar-nav { flex:1;padding:16px 12px;overflow-y:auto;display:flex;flex-direction:column;gap:2px; }
.nav-section-label { font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:rgba(255,255,255,.25);padding:12px 14px 6px; }

.nav-item {
    display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:var(--radius-sm);
    color:rgba(255,255,255,.55);font-size:14px;font-weight:500;transition:all var(--transition);
    text-decoration:none;cursor:pointer;position:relative;
}
.nav-item:hover { background:var(--bg-sidebar-hover);color:rgba(255,255,255,.9);text-decoration:none; }
.nav-item.active { background:var(--bg-sidebar-active);color:#fff;box-shadow:0 4px 12px rgba(55,48,163,.3); }
.nav-item.active::before { content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:20px;background:var(--primary-light);border-radius:0 3px 3px 0; }
.nav-item i { width:20px;text-align:center;font-size:16px;flex-shrink:0; }

.nav-item.nav-divider { height:1px;margin:8px 14px;padding:0;background:rgba(255,255,255,.06);cursor:default;pointer-events:none; }
.nav-item.nav-divider:hover { background:rgba(255,255,255,.06); }

.nav-upgrade {
    background:linear-gradient(135deg,var(--primary),var(--violet));
    color:#fff!important;margin:12px 10px 4px;border-radius:var(--radius-sm);
    font-weight:600;justify-content:center;box-shadow:0 4px 16px rgba(99,102,241,.35);
    padding:12px 14px;
}
.nav-upgrade:hover { transform:translateY(-1px);box-shadow:0 6px 20px rgba(99,102,241,.45);background:linear-gradient(135deg,var(--primary-light),var(--primary)); }
.nav-upgrade i { color:#fbbf24; }
.nav-upgrade.active { background:linear-gradient(135deg,var(--primary-light),var(--violet)); }
.nav-upgrade.active::before { display:none; }

.sidebar-overlay { display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:99;backdrop-filter:blur(2px); }
.sidebar-overlay.show { display:block; }

/* Main Content */
.main-content { margin-left:var(--sidebar-width);flex:1;min-height:100vh;display:flex;flex-direction:column; }

/* Topbar */
.topbar {
    height:var(--topbar-height);background:rgba(255,255,255,.85);border-bottom:1px solid var(--border);
    display:flex;align-items:center;padding:0 28px;gap:16px;position:sticky;top:0;z-index:50;
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.topbar h2#page-title { font-size:18px;font-weight:700;flex:1;letter-spacing:-0.01em; }
.topbar-actions { display:flex;gap:10px;align-items:center; }
.topbar .topbar-breadcrumb { font-size:13px;color:var(--text-light);display:flex;align-items:center;gap:6px; }
.topbar .topbar-breadcrumb a { color:var(--text-secondary); }
.topbar .topbar-breadcrumb span { color:var(--text);font-weight:500; }

.menu-toggle {
    display:none;align-items:center;justify-content:center;width:40px;height:40px;
    background:none;font-size:20px;color:var(--text-secondary);border-radius:var(--radius-sm);
    cursor:pointer;transition:all var(--transition);
}
.menu-toggle:hover { background:var(--bg);color:var(--text); }

/* Page Content */
#page-content { flex:1;padding:28px;overflow-y:auto; }
#page-content > * { animation:pageIn .3s ease; }
@keyframes pageIn { from { opacity:0;transform:translateY(8px); } to { opacity:1;transform:translateY(0); } }

/* ============ Dashboard ============ */
.dashboard-hero {
    background:linear-gradient(145deg,#0f0d2e 0%,#1e1b4b 30%,#3730a3 70%,#4f46e5 100%);
    border-radius:var(--radius-lg);padding:42px 36px;color:#fff;margin-bottom:28px;
    position:relative;overflow:hidden;box-shadow:0 8px 32px rgba(79,70,229,.25);
}
.dashboard-hero::before {
    content:'';position:absolute;top:-50%;right:-20%;width:500px;height:500px;
    background:radial-gradient(circle,rgba(255,255,255,.06) 0%,transparent 60%);pointer-events:none;
}
.dashboard-hero::after {
    content:'';position:absolute;bottom:0;right:0;width:300px;height:300px;
    background:radial-gradient(circle at bottom right,rgba(139,92,246,.15) 0%,transparent 60%);pointer-events:none;
}
.hero-greeting { font-size:28px;font-weight:800;position:relative;z-index:1;letter-spacing:-0.02em; }
.hero-subtitle { font-size:15px;color:rgba(255,255,255,.65);margin:6px 0 24px;position:relative;z-index:1; }
.hero-actions { display:flex;gap:12px;position:relative;z-index:1;flex-wrap:wrap; }
.hero-btn-primary {
    display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:#fff;color:var(--primary-dark);
    border-radius:var(--radius-sm);font-size:15px;font-weight:600;cursor:pointer;
    transition:all var(--transition);border:none;box-shadow:0 4px 16px rgba(0,0,0,.2);
}
.hero-btn-primary:hover { transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.25); }
.hero-btn-secondary {
    display:inline-flex;align-items:center;gap:8px;padding:12px 24px;
    background:rgba(255,255,255,.1);color:#fff;border-radius:var(--radius-sm);
    font-size:15px;font-weight:500;cursor:pointer;transition:all var(--transition);
    border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(4px);
}
.hero-btn-secondary:hover { background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.35); }

/* Stats Grid */
.stats-grid { display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px; }
.stat-card {
    background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;
    display:flex;align-items:center;gap:18px;transition:all var(--transition);
    position:relative;overflow:hidden;
}
.stat-card::after {
    content:'';position:absolute;top:0;left:0;width:100%;height:3px;
    background:linear-gradient(90deg,transparent,var(--accent-color,var(--primary)),transparent);
    opacity:0;transition:opacity var(--transition);
}
.stat-card:hover { transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:transparent; }
.stat-card:hover::after { opacity:1; }
.stat-icon {
    width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
    font-size:22px;flex-shrink:0;
}
.stat-info { flex:1;min-width:0; }
.stat-value { font-size:30px;font-weight:800;line-height:1;letter-spacing:-0.02em;margin-bottom:4px;display:flex;align-items:baseline;gap:8px; }
.stat-label { font-size:12px;color:var(--text-secondary);font-weight:500; }
.stat-trend { font-size:12px;font-weight:600;display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:20px; }
.stat-trend.up { color:var(--success-dark);background:var(--success-bg); }
.stat-trend.down { color:var(--danger-dark);background:var(--danger-bg); }
.stat-trend.stable { color:var(--text-secondary);background:var(--border-light); }

/* Quick Actions */
.quick-actions { display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px; }
.quick-action-card {
    background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;
    cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden;
    display:flex;flex-direction:column;
}
.quick-action-card:hover { transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:transparent; }
.quick-action-card .qa-icon {
    width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
    font-size:22px;margin-bottom:16px;transition:all var(--transition);
}
.quick-action-card:hover .qa-icon { transform:scale(1.05); }
.quick-action-card .qa-title { font-size:15px;font-weight:600;margin-bottom:4px;color:var(--text); }
.quick-action-card .qa-desc { font-size:12px;color:var(--text-secondary);line-height:1.5; }
.quick-action-card .qa-arrow {
    position:absolute;right:20px;top:50%;transform:translateY(-50%);color:var(--text-light);
    font-size:15px;transition:all var(--transition);
}
.quick-action-card:hover .qa-arrow { color:var(--primary);transform:translateY(-50%) translateX(4px); }

.qa-detect .qa-icon { background:var(--primary-bg);color:var(--primary); }
.qa-detect:hover { background:linear-gradient(160deg,#f8f9ff,#eef2ff);border-color:var(--primary-light); }
.qa-keyword .qa-icon { background:var(--warning-bg);color:var(--warning-dark); }
.qa-keyword:hover { background:linear-gradient(160deg,#fffdf5,#fffbeb);border-color:#fcd34d; }
.qa-article .qa-icon { background:var(--success-bg);color:var(--success); }
.qa-article:hover { background:linear-gradient(160deg,#f5fdf9,#ecfdf5);border-color:#6ee7b7; }
.qa-compete .qa-icon { background:var(--violet-bg);color:var(--violet); }
.qa-compete:hover { background:linear-gradient(160deg,#faf9ff,#f5f3ff);border-color:#c4b5fd; }

/* Activity Timeline */
.activity-timeline { position:relative;padding-left:28px; }
.activity-timeline::before {
    content:'';position:absolute;left:8px;top:0;bottom:0;width:2px;background:var(--border);
}
.activity-item {
    position:relative;padding:10px 0 10px 20px;
}
.activity-item::before {
    content:'';position:absolute;left:-24px;top:18px;width:10px;height:10px;
    border-radius:50%;background:#fff;border:2px solid var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.12);
}
.activity-item.success::before { border-color:var(--success);box-shadow:0 0 0 3px rgba(16,185,129,.12); }
.activity-item.warning::before { border-color:var(--warning);box-shadow:0 0 0 3px rgba(245,158,11,.12); }
.activity-item:first-child { padding-top:0; }
.activity-item:first-child::before { top:8px; }
.activity-item .act-time { font-size:11px;color:var(--text-light);margin-bottom:2px; }
.activity-item .act-content { font-size:14px;color:var(--text); }
.activity-item .act-content strong { font-weight:600; }
.activity-item .act-meta { font-size:12px;color:var(--text-secondary);margin-top:2px; }

/* ============ Card System ============ */
.card {
    background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);
    padding:24px;transition:all var(--transition);
}
.card:hover { box-shadow:var(--shadow); }
.card.card-accent { border-top:3px solid var(--primary); }
.card.card-accent-success { border-top:3px solid var(--success); }
.card.card-accent-warning { border-top:3px solid var(--warning); }

.card-header { display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px;flex-wrap:wrap;gap:12px; }
.card-title { font-size:16px;font-weight:700;display:flex;align-items:center;gap:10px; }
.card-title i { color:var(--primary);font-size:17px; }
.card-subtitle { font-size:12px;color:var(--text-secondary);margin-top:4px; }
.card-body { }
.card-footer { margin-top:20px;padding-top:16px;border-top:1px solid var(--border-light);display:flex;justify-content:flex-end;gap:8px; }

/* ============ Table ============ */
.table-wrapper { overflow-x:auto;border-radius:var(--radius-sm); }
table { width:100%;border-collapse:collapse; }
thead th {
    text-align:left;padding:12px 16px;font-size:11px;font-weight:700;text-transform:uppercase;
    letter-spacing:.05em;color:var(--text-secondary);border-bottom:2px solid var(--border);
    background:var(--border-light);white-space:nowrap;
}
thead th:first-child { border-radius:var(--radius-sm) 0 0 0; }
thead th:last-child { border-radius:0 var(--radius-sm) 0 0; }
tbody td { padding:14px 16px;border-bottom:1px solid var(--border-light);font-size:14px;vertical-align:middle; }
tbody tr { transition:all var(--transition); }
tbody tr:hover td { background:var(--primary-bg); }
tbody tr:last-child td:first-child { border-radius:0 0 0 var(--radius-sm); }
tbody tr:last-child td:last-child { border-radius:0 0 var(--radius-sm) 0; }
.table-actions { display:flex;gap:6px; }

/* ============ Badges & Tags ============ */
.badge {
    display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;
    letter-spacing:-0.01em;white-space:nowrap;
}
.badge-purple { background:var(--primary-bg);color:var(--primary); }
.badge-green { background:var(--success-bg);color:var(--success-dark); }
.badge-orange { background:var(--warning-bg);color:var(--warning-dark); }
.badge-red { background:var(--danger-bg);color:var(--danger-dark); }
.badge-blue { background:var(--info-bg);color:var(--info-dark); }
.badge-gray { background:var(--border-light);color:var(--text-secondary); }
.badge-violet { background:var(--violet-bg);color:var(--violet); }
.badge-cyan { background:var(--cyan-bg);color:var(--cyan); }
.badge-dot { width:7px;height:7px;border-radius:50%;display:inline-block;flex-shrink:0; }

/* Level badges */
.level-S,.badge.level-S { color:#065f46;background:#d1fae5;font-weight:700; }
.level-A,.badge.level-A { color:#3730a3;background:#e0e7ff;font-weight:700; }
.level-B,.badge.level-B { color:#92400e;background:#fef3c7;font-weight:700; }
.level-C,.badge.level-C { color:#9a3412;background:#ffedd5;font-weight:700; }
.level-D,.badge.level-D { color:#991b1b;background:#fee2e2;font-weight:700; }

/* Score Rings */
.score-ring {
    width:130px;height:130px;border-radius:50%;display:flex;flex-direction:column;
    align-items:center;justify-content:center;font-size:2.8rem;font-weight:800;
    margin:0 auto;position:relative;
}
.score-ring::after {
    content:'';position:absolute;inset:-4px;border-radius:50%;border:3px solid;opacity:.15;
}
.score-ring .ring-label { font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-top:2px; }
.score-ring.S { background:linear-gradient(135deg,#d1fae5,#a7f3d0);color:#065f46;box-shadow:0 6px 20px rgba(16,185,129,.25); }
.score-ring.S::after { border-color:#10b981; }
.score-ring.A { background:linear-gradient(135deg,#e0e7ff,#c7d2fe);color:#3730a3;box-shadow:0 6px 20px rgba(99,102,241,.25); }
.score-ring.A::after { border-color:#6366f1; }
.score-ring.B { background:linear-gradient(135deg,#fef3c7,#fde68a);color:#92400e;box-shadow:0 6px 20px rgba(245,158,11,.25); }
.score-ring.B::after { border-color:#f59e0b; }
.score-ring.C { background:linear-gradient(135deg,#ffedd5,#fed7aa);color:#9a3412;box-shadow:0 6px 20px rgba(249,115,22,.25); }
.score-ring.C::after { border-color:#f97316; }
.score-ring.D { background:linear-gradient(135deg,#fee2e2,#fecaca);color:#991b1b;box-shadow:0 6px 20px rgba(239,68,68,.25); }
.score-ring.D::after { border-color:#ef4444; }

.score-ring-sm {
    width:64px;height:64px;border-radius:50%;display:flex;flex-direction:column;
    align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;flex-shrink:0;
}
.score-ring-sm.S { background:#d1fae5;color:#065f46; }
.score-ring-sm.A { background:#e0e7ff;color:#3730a3; }
.score-ring-sm.B { background:#fef3c7;color:#92400e; }
.score-ring-sm.C { background:#ffedd5;color:#9a3412; }
.score-ring-sm.D { background:#fee2e2;color:#991b1b; }

/* ============ Progress ============ */
.progress-bar { height:8px;background:var(--border-light);border-radius:4px;overflow:hidden; }
.progress-fill { height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-light));border-radius:4px;transition:width .6s cubic-bezier(.4,0,.2,1);}
.progress-bar-lg { height:12px;border-radius:6px; }
.progress-bar-lg .progress-fill { border-radius:6px; }

/* ============ Tabs ============ */
.tabs { display:flex;gap:0;margin-bottom:24px;border-bottom:2px solid var(--border); }
.tab {
    padding:11px 22px;font-size:14px;font-weight:500;color:var(--text-secondary);cursor:pointer;
    transition:all var(--transition);border-bottom:2px solid transparent;margin-bottom:-2px;
    background:none;border-top:none;border-left:none;border-right:none;
}
.tab:hover { color:var(--primary); }
.tab.active { color:var(--primary);border-bottom-color:var(--primary);font-weight:600; }

.detect-tabs { display:flex;gap:4px;margin-bottom:24px;background:var(--border-light);padding:4px;border-radius:var(--radius-sm); }
.detect-tab {
    flex:1;padding:10px 14px;border-radius:7px;font-size:13px;font-weight:500;text-align:center;
    color:var(--text-secondary);cursor:pointer;transition:all var(--transition);background:none;border:none;
}
.detect-tab:hover { color:var(--text); }
.detect-tab.active { background:#fff;color:var(--primary);font-weight:600;box-shadow:var(--shadow-sm); }

/* ============ Report Elements ============ */
.report-metrics { display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:20px 0; }
.report-metric {
    text-align:center;padding:18px 12px;background:var(--bg);border-radius:var(--radius-sm);
    border:1px solid var(--border-light);transition:all var(--transition);position:relative;overflow:hidden;
}
.report-metric:hover { border-color:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow); }
.report-metric::after {
    content:'';position:absolute;bottom:0;left:0;right:0;height:3px;
    background:var(--metric-color,var(--primary));opacity:0;transition:opacity var(--transition);
}
.report-metric:hover::after { opacity:1; }
.report-metric .metric-val { font-size:26px;font-weight:800;letter-spacing:-0.02em; }
.report-metric .metric-label { font-size:11px;color:var(--text-secondary);margin-top:6px;text-transform:uppercase;letter-spacing:.05em;font-weight:600; }

.category-bar {
    display:flex;align-items:center;gap:14px;margin:8px 0;
}
.category-bar .cat-label { width:110px;font-size:13px;font-weight:600;text-align:right;flex-shrink:0;color:var(--text); }
.category-bar .cat-progress {
    flex:1;height:26px;background:var(--border-light);border-radius:13px;overflow:hidden;position:relative;
}
.category-bar .cat-fill {
    height:100%;border-radius:13px;transition:width .8s cubic-bezier(.4,0,.2,1);
    min-width:50px;display:flex;align-items:center;padding-left:12px;font-size:11px;font-weight:600;color:#fff;
}
.category-bar .cat-score { width:50px;font-size:14px;font-weight:700;text-align:left; }

.suggestion-card {
    padding:18px 20px;margin:12px 0;border-radius:var(--radius-sm);border:1px solid var(--border);
    border-left:5px solid;transition:all var(--transition);
}
.suggestion-card:hover { transform:translateX(4px);box-shadow:var(--shadow-sm); }
.suggestion-card.critical { border-left-color:var(--danger);background:var(--danger-bg); }
.suggestion-card.high { border-left-color:var(--warning);background:var(--warning-bg); }
.suggestion-card.medium { border-left-color:var(--info);background:var(--info-bg); }
.suggestion-card.low { border-left-color:var(--success);background:var(--success-bg); }
.suggestion-card h4 { font-size:14px;font-weight:600;margin-bottom:6px;display:flex;align-items:center;gap:8px; }
.suggestion-card p { font-size:13px;color:var(--text-secondary);margin:0;line-height:1.6; }

.qa-table { margin-top:16px; }
.qa-row {
    display:grid;grid-template-columns:40px 1fr auto auto;gap:14px;align-items:center;padding:12px 14px;
    border-bottom:1px solid var(--border-light);font-size:13px;border-radius:var(--radius-sm);transition:all var(--transition);
}
.qa-row:hover { background:var(--bg); }
.qa-row.header { font-weight:700;color:var(--text-secondary);font-size:11px;text-transform:uppercase;letter-spacing:.05em;background:var(--border-light);border-radius:0; }
.qa-row .qa-q { color:var(--text); }
.qa-row .qa-status { font-size:12px; }

.trend-chart {
    display:flex;gap:10px;align-items:flex-end;height:140px;padding:0 12px;
}
.trend-bar {
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:6px;
}
.trend-bar .bar-fill {
    width:100%;max-width:40px;background:linear-gradient(180deg,var(--primary),var(--primary-light));
    border-radius:5px 5px 0 0;transition:height .6s cubic-bezier(.4,0,.2,1);min-height:4px;
    position:relative;margin:0 auto;
}
.trend-bar:hover .bar-fill { filter:brightness(1.1); }
.trend-bar .bar-val { font-size:12px;font-weight:700;color:var(--text); }
.trend-bar .bar-label { font-size:10px;color:var(--text-light);text-align:center;font-weight:500; }

/* ============ Intent Tabs ============ */
.intent-tabs {
    display:flex;gap:6px;margin-bottom:20px;border-bottom:2px solid var(--border-light);
    padding-bottom:0;overflow-x:auto;
}
.intent-tab {
    display:inline-flex;align-items:center;gap:7px;padding:11px 20px;border:none;
    border-bottom:3px solid transparent;margin-bottom:-2px;background:transparent;
    font-size:13px;font-weight:500;color:var(--text-secondary);cursor:pointer;
    transition:all var(--transition);white-space:nowrap;border-radius:var(--radius-sm) var(--radius-sm) 0 0;
}
.intent-tab:hover { color:var(--text);background:var(--bg); }
.intent-tab.active {
    color:var(--tab-color,var(--primary));border-bottom-color:var(--tab-color,var(--primary));
    background:var(--tab-bg,var(--primary-bg));font-weight:600;
}
.intent-tab-count {
    display:inline-flex;align-items:center;justify-content:center;
    min-width:22px;height:22px;padding:0 7px;border-radius:11px;font-size:11px;font-weight:700;
    background:var(--border-light);color:var(--text-secondary);
}
.intent-tab.active .intent-tab-count { background:var(--tab-color,var(--primary));color:#fff; }

/* ============ Keyword Cards ============ */
.intent-keywords-grid {
    display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px;
}
.keyword-card {
    background:#fff;border:1px solid var(--border-light);border-radius:var(--radius);
    padding:18px 20px;transition:all var(--transition);display:flex;flex-direction:column;gap:12px;
    position:relative;
}
.keyword-card::before {
    content:'';position:absolute;top:0;left:0;right:0;height:3px;
    background:linear-gradient(90deg,var(--intent-color,var(--primary)),transparent);
    opacity:0;transition:opacity var(--transition);border-radius:var(--radius) var(--radius) 0 0;
}
.keyword-card:hover { border-color:var(--primary-light);box-shadow:var(--shadow-md);transform:translateY(-2px); }
.keyword-card:hover::before { opacity:1; }
.kw-card-header { display:flex;align-items:flex-start;justify-content:space-between;gap:10px; }
.kw-card-name { font-size:15px;font-weight:700;color:var(--text);line-height:1.4;word-break:break-word; }
.kw-card-trend { flex-shrink:0;font-size:14px; }
.kw-card-meta { display:flex;gap:14px;flex-wrap:wrap;align-items:center; }
.kw-meta-item { display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary);min-width:0; }
.kw-meta-value { font-weight:700;color:var(--text); }
.kw-meta-label { font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;margin-right:3px; }
.comp-bar { width:55px;height:6px;background:var(--border-light);border-radius:3px;overflow:hidden;flex-shrink:0; }
.comp-bar-fill { height:100%;border-radius:3px;transition:width .4s ease; }
.kw-card-insight {
    font-size:12px;color:var(--text-secondary);line-height:1.6;padding:10px 12px;
    background:var(--bg);border-radius:var(--radius-sm);border-left:3px solid var(--intent-color,var(--primary-light));
}
.kw-card-actions { display:flex;gap:8px; }
.kw-card-actions .btn-sm { flex:1;justify-content:center; }

/* ============ AI Insight ============ */
.ai-insight-box {
    background:linear-gradient(135deg,#fffbeb,#fef3c7);padding:16px 20px;border-radius:var(--radius-sm);
    margin-bottom:20px;font-size:14px;color:#92400e;border-left:5px solid var(--warning);
    line-height:1.7;position:relative;
}
.ai-insight-box::after {
    content:'\f0eb';font-family:'Font Awesome 6 Free';font-weight:900;
    position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:32px;color:rgba(245,158,11,.1);
}
.ai-insight-box strong { color:#b45309; }

.article-gen-notice {
    background:linear-gradient(135deg,var(--primary-bg),#f5f3ff);border:1px solid var(--primary-light);
    border-radius:var(--radius-sm);padding:12px 16px;font-size:13px;color:var(--primary-dark);
    margin-bottom:20px;line-height:1.6;display:flex;align-items:flex-start;gap:10px;
}
.article-gen-notice i { margin-top:2px;flex-shrink:0; }

/* ============ Search & Filter ============ */
.search-box { position:relative; }
.search-box input { padding-left:40px; }
.search-box i { position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-light);font-size:15px; }
.filter-bar { display:flex;gap:12px;align-items:center;flex-wrap:wrap; }
.filter-bar select,.filter-bar input {
    padding:9px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);
    font-size:13px;background:#fff;transition:all var(--transition);
}
.filter-bar select:focus,.filter-bar input:focus { border-color:var(--primary);outline:none;box-shadow:0 0 0 3px rgba(99,102,241,.1); }

/* ============ Empty State ============ */
.empty-state { text-align:center;padding:64px 20px;color:var(--text-secondary); }
.empty-state i { font-size:56px;margin-bottom:20px;color:var(--text-light);display:block; }
.empty-state h3 { font-size:18px;color:var(--text);margin-bottom:8px;font-weight:700; }
.empty-state p { margin-bottom:24px;max-width:400px;margin-left:auto;margin-right:auto;line-height:1.6; }

/* ============ Toast ============ */
#toast-container { position:fixed;top:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:10px; }
.toast {
    padding:14px 20px;border-radius:var(--radius-sm);background:#fff;box-shadow:var(--shadow-xl);
    display:flex;align-items:center;gap:12px;font-size:14px;animation:toastIn .35s cubic-bezier(.4,0,.2,1);
    border-left:4px solid var(--primary);min-width:300px;max-width:440px;
    transition:opacity .3s,transform .3s;
}
.toast.success { border-left-color:var(--success); }
.toast.error { border-left-color:var(--danger); }
.toast.warning { border-left-color:var(--warning); }
.toast.info { border-left-color:var(--primary); }
.toast i { font-size:18px;flex-shrink:0; }
.toast.success i { color:var(--success); }
.toast.error i { color:var(--danger); }
.toast.warning i { color:var(--warning); }
@keyframes toastIn { from { transform:translateX(120%);opacity:0; } to { transform:translateX(0);opacity:1; } }

/* ============ Modal ============ */
.modal-overlay {
    position:fixed;inset:0;background:rgba(15,13,46,.55);z-index:1000;display:flex;
    align-items:center;justify-content:center;padding:24px;animation:fadeIn .2s;
    backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
}
.modal {
    background:#fff;border-radius:var(--radius-lg);padding:32px;max-width:640px;width:100%;
    max-height:85vh;overflow-y:auto;animation:scaleIn .25s cubic-bezier(.4,0,.2,1);
    box-shadow:0 25px 50px -12px rgba(0,0,0,.25);
}
.modal.modal-lg { max-width:1000px;max-height:94vh;padding:28px 32px; }
.modal h2 { font-size:20px;margin-bottom:24px;display:flex;align-items:center;gap:10px; }
.modal-actions { display:flex;gap:12px;justify-content:flex-end;margin-top:28px; }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
@keyframes scaleIn { from { transform:scale(.96);opacity:0; } to { transform:scale(1);opacity:1; } }

/* ============ Loading ============ */
.spinner { width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }
.loading-overlay { display:flex;align-items:center;justify-content:center;gap:14px;padding:48px;color:var(--text-secondary); }

/* ============ Content Preview (Article Typography) ============ */
.content-preview {
    background:#fff;border-radius:var(--radius);padding:40px 36px;line-height:1.95;
    max-height:500px;overflow-y:auto;font-size:15px;border:1px solid var(--border);
    color:#1a1a2e;font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
    letter-spacing:.01em;word-break:break-word;
}
/* 文章标题 */
.article-h1 {
    font-size:26px;font-weight:800;color:#111827;margin:32px 0 20px;padding-bottom:14px;
    border-bottom:2px solid #e5e7eb;line-height:1.35;letter-spacing:-.01em;
}
.article-h2 {
    font-size:21px;font-weight:700;color:#1f2937;margin:30px 0 14px;padding-left:14px;
    border-left:4px solid var(--primary);line-height:1.4;
}
.article-h3 {
    font-size:17px;font-weight:700;color:#374151;margin:22px 0 10px;line-height:1.45;
}
.article-h4 {
    font-size:15px;font-weight:600;color:#4b5563;margin:16px 0 8px;line-height:1.5;
}
/* 段落 */
.article-p {
    margin-bottom:18px;text-indent:2em;color:#374151;
}
/* 粗体强调 */
.content-preview strong {
    color:#1f2937;font-weight:700;
    background:linear-gradient(180deg,transparent 60%,rgba(99,102,241,.12) 60%);
    padding:0 2px;
}
/* 斜体 */
.content-preview em { color:#6b7280;font-style:italic; }
/* 无序列表 */
.article-ul {
    margin:14px 0 18px 4px;padding-left:20px;list-style:none;
}
.article-ul li {
    position:relative;padding:5px 0 5px 20px;margin-bottom:6px;color:#374151;line-height:1.75;
}
.article-ul li::before {
    content:'';position:absolute;left:0;top:14px;width:7px;height:7px;
    border-radius:50%;background:var(--primary);
}
/* 有序列表 */
.article-ol {
    margin:14px 0 18px 4px;padding-left:24px;
}
.article-ol li {
    padding:5px 0 5px 4px;margin-bottom:6px;color:#374151;line-height:1.75;
    list-style-type:decimal;
}
.article-ol li::marker { color:var(--primary);font-weight:700; }
/* 引用块 */
.article-blockquote {
    margin:20px 0;padding:16px 20px;background:#f8f9ff;
    border-left:3px solid #6366f1;border-radius:0 8px 8px 0;
    color:#4b5563;
}
.article-blockquote p { margin:0;text-indent:0;line-height:1.7; }
/* 代码块 */
.code-block {
    margin:16px 0;padding:18px 20px;background:#1e293b;color:#e2e8f0;
    border-radius:var(--radius-sm);font-size:13px;line-height:1.7;overflow-x:auto;
    font-family:"Fira Code","Cascadia Code","Consolas",monospace;
    white-space:pre-wrap;word-break:break-all;
}
.inline-code {
    padding:2px 7px;background:#f1f5f9;color:#ef4444;border-radius:4px;
    font-size:.88em;font-family:"Fira Code","Cascadia Code","Consolas",monospace;
    border:1px solid #e2e8f0;
}
/* 链接 */
.article-link {
    color:var(--primary);text-decoration:none;border-bottom:1px dashed var(--primary-light);
    transition:all var(--transition);
}
.article-link:hover { color:var(--primary-dark);border-bottom-style:solid; }
/* 图片 */
.article-img {
    max-width:100%;height:auto;border-radius:var(--radius-sm);margin:12px 0;
    box-shadow:var(--shadow-md);
}
/* 水平线 */
.article-hr {
    border:none;height:1px;background:linear-gradient(90deg,transparent,#d1d5db,transparent);
    margin:28px 0;
}
/* 文章首段特殊样式 */
.content-preview > .article-p:first-of-type {
    font-size:16.5px;color:#1f2937;font-weight:500;line-height:1.9;
}
/* 文章内的小标题装饰 */
.article-h2:first-child { margin-top:0; }

/* ============ Content Preview (Clean & Minimal) ============ */
.content-preview-360 {
    background:#fff;border-radius:10px;padding:32px 28px;line-height:1.9;
    max-height:500px;overflow-y:auto;font-size:15px;border:1px solid var(--border);
    color:#333;font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
    word-break:break-word;
}
/* 标题 */
.content-preview-360 h1 {
    font-size:24px;font-weight:700;color:#1a1a1a;margin:28px 0 14px;
    padding-bottom:10px;border-bottom:1px solid #eee;line-height:1.4;
}
.content-preview-360 h1:first-child { margin-top:0; }
.content-preview-360 h2 {
    font-size:19px;font-weight:700;color:#222;margin:24px 0 12px;line-height:1.45;
}
.content-preview-360 h3 {
    font-size:16px;font-weight:700;color:#333;margin:20px 0 10px;line-height:1.5;
}
.content-preview-360 h4 {
    font-size:15px;font-weight:600;color:#444;margin:14px 0 8px;
}
/* 段落 */
.content-preview-360 p { margin-bottom:14px;text-indent:2em;color:#444; }
.content-preview-360 > p:first-of-type { text-indent:2em; }
/* 行内样式 */
.content-preview-360 strong { color:#111;font-weight:700; }
.content-preview-360 em { color:#666;font-style:italic; }
/* 引用块 */
.content-preview-360 blockquote {
    margin:18px 0;padding:14px 20px;background:#f8f9fa;
    border-left:3px solid #6366f1;color:#555;
}
.content-preview-360 blockquote p { margin:0;text-indent:0; }
/* 列表 */
.content-preview-360 ul { margin:12px 0 16px;padding-left:22px; }
.content-preview-360 ul li { margin-bottom:6px;color:#444;line-height:1.8; }
.content-preview-360 ol { margin:12px 0 16px;padding-left:24px; }
.content-preview-360 ol li { margin-bottom:6px;color:#444;line-height:1.8; }
/* 代码 */
.content-preview-360 code {
    padding:2px 6px;background:#f5f5f5;color:#c7254e;border-radius:3px;
    font-size:.88em;font-family:"Fira Code","Consolas",monospace;
}
.content-preview-360 pre {
    margin:16px 0;padding:16px 20px;background:#1e293b;color:#e2e8f0;
    border-radius:8px;font-size:13px;line-height:1.7;overflow-x:auto;white-space:pre-wrap;
}
.content-preview-360 pre code { background:none;color:inherit;padding:0;border-radius:0;font-size:inherit; }
/* 链接 */
.content-preview-360 a { color:#6366f1;text-decoration:none; }
.content-preview-360 a:hover { text-decoration:underline; }
/* 图片 */
.content-preview-360 img { max-width:100%;height:auto;border-radius:6px;margin:12px 0; }
/* 分隔线 */
.content-preview-360 hr { border:none;border-top:1px solid #e5e7eb;margin:24px 0; }

/* ============ 360-Style Article Result Card (Pro) ============ */
.article-result-card-360 {
    background:#fff;border-radius:14px;border:1px solid #e2e8f0;
    margin-top:20px;overflow:hidden;
    box-shadow:0 6px 32px rgba(0,0,0,.07),0 2px 8px rgba(0,0,0,.04);
}
.arc-header {
    display:flex;justify-content:space-between;align-items:flex-start;
    padding:28px 32px 16px;flex-wrap:wrap;gap:12px;
    background:linear-gradient(180deg,#fafbff 0%,#fff 100%);
}
.arc-main-title {
    font-size:23px;font-weight:800;color:#0f172a;line-height:1.45;
    padding:0 32px 12px;margin:0;
}
.arc-titles { padding:0 32px 8px; }
.arc-titles label {
    font-size:12px;color:var(--text-secondary);margin-bottom:10px;display:block;
    font-weight:600;text-transform:uppercase;letter-spacing:.05em;
}
.arc-title-tags { display:flex;flex-wrap:wrap;gap:8px; }
.arc-title-tag {
    display:inline-block;padding:8px 20px;border-radius:10px;font-size:14px;
    font-weight:600;cursor:pointer;transition:all .2s;
    border:2px solid var(--border);color:var(--text-secondary);background:var(--bg);
    line-height:1.4;
}
.arc-title-tag:hover {
    border-color:var(--primary-light);color:var(--primary);background:var(--primary-bg);
    transform:translateY(-1px);box-shadow:0 2px 8px rgba(99,102,241,.1);
}
.arc-title-tag.active {
    border-color:var(--primary);color:var(--primary);background:var(--primary-bg);
    box-shadow:0 0 0 4px rgba(99,102,241,.1);
}
.arc-score-badge {
    display:inline-flex;align-items:center;gap:5px;
    padding:5px 16px;border-radius:20px;font-size:13px;font-weight:700;
    white-space:nowrap;letter-spacing:.02em;
}
.arc-meta {
    display:flex;flex-wrap:wrap;gap:10px;align-items:center;
    padding:14px 32px;border-top:1px solid #f1f5f9;border-bottom:1px solid #f1f5f9;
    font-size:13px;background:#fafbfc;
}
.arc-meta-item {
    display:inline-flex;align-items:center;gap:5px;
    color:var(--text-secondary);font-size:12px;font-weight:500;
}
.arc-tag {
    display:inline-block;padding:2px 12px;background:#f1f5f9;color:var(--text-secondary);
    border-radius:6px;font-size:12px;font-weight:500;
}
.arc-summary-quote {
    margin:18px 32px;padding:16px 24px;background:linear-gradient(135deg,#f8f9ff,#f5f3ff);
    border-left:4px solid #6366f1;border-radius:0 10px 10px 0;
    color:#4338ca;font-size:14.5px;line-height:1.8;font-weight:500;
}
.arc-summary-quote i { color:#6366f1;margin-right:6px;opacity:.5;font-size:12px; }
.arc-footer {
    display:flex;gap:10px;padding:18px 32px 28px;flex-wrap:wrap;
    justify-content:center;border-top:1px solid var(--border);
}

/* ============ Article Editor (Pro) ============ */
.article-toolbar {
    display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;
    gap:12px;margin-bottom:24px;padding-bottom:18px;border-bottom:1px solid var(--border);
}
.article-tab-bar {
    display:flex;background:var(--bg);border-radius:10px;padding:4px;gap:3px;
    border:1px solid var(--border);
}
.article-tab-btn {
    padding:8px 22px;border:none;border-radius:8px;cursor:pointer;font-size:13px;font-weight:600;
    color:var(--text-secondary);background:transparent;transition:all .2s;
}
.article-tab-btn.active {
    background:#fff;color:var(--primary);box-shadow:0 2px 8px rgba(0,0,0,.06);
}
.article-tab-btn:hover:not(.active) { color:var(--text);background:rgba(0,0,0,.02); }
.article-actions-row { display:flex;gap:8px;flex-wrap:wrap;align-items:center; }
.article-editor-textarea {
    width:100%;min-height:460px;padding:22px;border:2px solid var(--border);
    border-radius:var(--radius);font-size:14.5px;line-height:1.9;font-family:"PingFang SC","Microsoft YaHei",sans-serif;
    color:var(--text);background:#fafbfc;resize:vertical;transition:border-color .2s,box-shadow .2s;
}
.article-editor-textarea:focus {
    outline:none;border-color:var(--primary);background:#fff;
    box-shadow:0 0 0 4px rgba(99,102,241,.08);
}
.article-editor-input {
    width:100%;padding:14px 18px;border:2px solid var(--border);
    border-radius:var(--radius-sm);font-size:17px;font-weight:700;color:var(--text);
    transition:border-color .2s;margin-bottom:14px;background:#fafbfc;
}
.article-editor-input:focus {
    outline:none;border-color:var(--primary);background:#fff;
    box-shadow:0 0 0 4px rgba(99,102,241,.08);
}

/* 文章生成结果卡片 */
.article-result-card {
    margin-top:24px;border:1px solid var(--border);border-radius:12px;
    background:#fff;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.04);
}
.article-result-header {
    display:flex;justify-content:space-between;align-items:flex-start;
    padding:20px 24px 16px;gap:12px;flex-wrap:wrap;
    border-bottom:1px solid #f3f4f6;
}
.article-result-title-wrap {
    display:flex;align-items:flex-start;gap:10px;flex:1;min-width:0;
}
.article-result-title-wrap h3 {
    margin:0;font-size:20px;font-weight:700;color:#111827;line-height:1.4;
    word-break:break-word;
}
.article-result-meta {
    display:flex;flex-wrap:wrap;gap:16px;padding:12px 24px;
    background:#fafbfc;border-bottom:1px solid #f3f4f6;
}
.art-meta-item {
    display:inline-flex;align-items:center;gap:5px;font-size:13px;
    color:#6b7280;
}
.art-meta-item i { font-size:12px;color:#9ca3af; }
.article-result-summary {
    padding:14px 24px;font-size:14px;color:#4b5563;line-height:1.7;
    border-bottom:1px solid #f3f4f6;font-style:italic;
    background:linear-gradient(135deg,#fefce8,#fef3c7);
}
.article-result-summary i { color:var(--primary);margin-right:6px; }
.article-result-actions {
    display:flex;gap:10px;padding:16px 24px;flex-wrap:wrap;
    border-top:1px solid #f3f4f6;background:#fafbfc;
}

/* ============ Diagnosis Panel (Pro) ============ */
.diagnosis-panel {
    background:#fff;border:2px solid #e2e8f0;border-radius:14px;
    margin-bottom:24px;overflow:hidden;
    box-shadow:0 4px 24px rgba(99,102,241,.06);
}
.diagnosis-header {
    display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
    padding:22px 28px;background:linear-gradient(135deg,#fafbff,#f5f3ff);
    border-bottom:1px solid #e2e8f0;
}
.diagnosis-score { display:flex;align-items:center;gap:16px; }
.score-ring-lg {
    width:68px;height:68px;border-radius:50%;position:relative;
    display:flex;align-items:center;justify-content:center;
    background:conic-gradient(var(--primary) var(--pct), #e2e8f0 var(--pct));
    flex-shrink:0;
}
.score-ring-lg::after {
    content:'';position:absolute;inset:7px;border-radius:50%;background:#fff;
}
.score-ring-lg span { position:relative;z-index:1;font-size:21px;font-weight:800;color:var(--primary); }
.diagnosis-summary h4 { margin:0 0 4px;font-size:16px;font-weight:700; }
.diagnosis-summary p { margin:0;font-size:13px;color:var(--text-secondary); }
.diag-item {
    display:flex;gap:16px;padding:18px 28px;
    border-bottom:1px solid #f1f5f9;align-items:flex-start;
    transition:background .15s;
}
.diag-item:hover { background:#fafbfc; }
.diag-item:last-child { border-bottom:none; }
.diag-severity {
    flex-shrink:0;padding:4px 14px;border-radius:8px;font-size:12px;font-weight:700;
    text-align:center;min-width:68px;letter-spacing:.02em;
}
.diag-severity.critical { background:#fef2f2;color:#dc2626; }
.diag-severity.high { background:#fff7ed;color:#ea580c; }
.diag-severity.medium { background:#fffbeb;color:#d97706; }
.diag-severity.low { background:#ecfdf5;color:#059669; }
.diag-content { flex:1;min-width:0; }
.diag-dimension { font-size:14px;font-weight:700;color:#1e293b;margin-bottom:4px; }
.diag-issue { font-size:13px;color:#475569;line-height:1.6;margin-bottom:6px; }
.diag-location { font-size:11px;color:var(--text-light);margin-bottom:4px; }
.diag-location i { margin-right:3px; }
.diag-suggestion { font-size:12px;color:#6366f1;font-weight:500;line-height:1.6; }
.diag-suggestion i { margin-right:3px; }
.optimize-actions { display:flex;gap:10px;align-items:center; }
.diagnosis-loading {
    text-align:center;padding:48px 24px;background:#fff;
    border:2px solid #e2e8f0;border-radius:14px;margin-bottom:24px;
}

/* 优化版本对比 */
.optimize-result-bar {
    display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
    margin-bottom:16px;padding:14px 18px;background:linear-gradient(135deg,#f0fdf4,#ecfdf5);
    border:1px solid #a7f3d0;border-radius:var(--radius-sm);
}
.optimize-diff-badge {
    display:inline-flex;align-items:center;gap:6px;padding:4px 14px;
    background:var(--success-bg);color:var(--success-dark);border-radius:20px;
    font-size:13px;font-weight:700;
}
.optimize-actions { display:flex;gap:8px; }

/* ============ Plans ============ */
.plan-grid { display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px; }
.plan-card {
    background:#fff;border:2px solid var(--border);border-radius:var(--radius-lg);padding:32px 28px;
    text-align:center;transition:all var(--transition);position:relative;overflow:hidden;
}
.plan-card::before {
    content:'';position:absolute;top:0;left:0;right:0;height:4px;
    background:linear-gradient(90deg,var(--primary),var(--violet));
    opacity:0;transition:opacity var(--transition);
}
.plan-card:hover { border-color:var(--primary);transform:translateY(-4px);box-shadow:var(--shadow-xl); }
.plan-card:hover::before { opacity:1; }
.plan-card.current { border-color:var(--success);background:linear-gradient(180deg,var(--success-bg),#fff); }
.plan-card.current::before { opacity:1;background:linear-gradient(90deg,var(--success),var(--cyan)); }
.plan-card.popular { border-color:var(--primary);box-shadow:var(--shadow-md); }
.plan-card.popular::before { opacity:1;background:linear-gradient(90deg,var(--primary),var(--violet)); }
.popular-badge {
    position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--primary),var(--violet));
    color:#fff;padding:5px 20px;border-radius:20px;font-size:12px;font-weight:700;
    box-shadow:0 4px 12px rgba(99,102,241,.35);
}
.plan-icon { font-size:32px;margin-bottom:16px; }
.plan-name { font-size:18px;font-weight:700;margin-bottom:2px; }
.plan-desc { font-size:12px;color:var(--text-light);margin-bottom:10px; }
.plan-price { font-size:40px;font-weight:800;color:var(--primary);margin-bottom:4px;letter-spacing:-0.03em; }
.plan-price small { font-size:15px;font-weight:400;color:var(--text-secondary); }
.plan-duration { font-size:13px;color:var(--text-secondary);margin-bottom:20px; }
.plan-features { text-align:left;margin:20px 0;list-style:none; }
.plan-features li {
    padding:7px 0;font-size:13px;color:var(--text-secondary);display:flex;align-items:center;gap:10px;
}
.plan-features li::before { content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;color:var(--success);font-size:12px; }
.plan-features li.disabled { color:var(--text-light); }
.plan-features li.disabled::before { content:'\f00d';color:var(--text-light); }

/* ============ Payment ============ */
.pay-wrapper { max-width:480px;margin:0 auto; }
.pay-card {
    background:#fff;border-radius:var(--radius-lg);padding:32px;text-align:center;
    border:2px solid var(--border);box-shadow:var(--shadow-lg);
}
.pay-qr-wrapper { padding:24px;margin:16px auto;background:var(--bg);border-radius:var(--radius);display:inline-block; }
.pay-qr-wrapper img { max-width:220px;border-radius:10px; }
.pay-amount { font-size:36px;font-weight:800;color:var(--danger);margin:8px 0;letter-spacing:-0.02em; }
.pay-amount small { font-size:18px;font-weight:400; }

/* ============ Month Selection Modal ============ */
.month-select-modal { max-width:520px; }
.month-select-grid { display:grid;grid-template-columns:repeat(4,1fr);gap:12px; }
.month-option-card {
    background:#fff;border:2px solid var(--border);border-radius:var(--radius);
    padding:20px 12px;text-align:center;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);
    position:relative;overflow:hidden;
}
.month-option-card:hover {
    border-color:var(--primary);transform:translateY(-2px);
    box-shadow:0 8px 24px rgba(99,102,241,.12);
}
.month-option-card.popular {
    border-color:var(--warning);background:linear-gradient(180deg,#fffdf5,#fff);
    box-shadow:0 0 0 1px var(--warning);
}
.month-option-card.popular:hover { border-color:#d97706; }
.month-number {
    font-size:32px;font-weight:800;color:#1f2937;line-height:1;margin-bottom:4px;
    display:flex;align-items:baseline;justify-content:center;gap:2px;
}
.month-number small { font-size:14px;font-weight:500;color:var(--text-secondary); }
.month-discount {
    font-size:13px;font-weight:700;color:var(--primary);margin-bottom:2px;
    background:var(--primary-bg);display:inline-block;padding:2px 10px;border-radius:10px;
}
.month-saving {
    font-size:11px;color:var(--success-dark);font-weight:500;
}
.month-popular-badge {
    position:absolute;top:8px;right:-28px;background:linear-gradient(135deg,#f59e0b,#d97706);
    color:#fff;font-size:10px;font-weight:700;padding:2px 28px;transform:rotate(45deg);
    white-space:nowrap;
}

/* ============ Profile / Account ============ */
.profile-header-card {
    display:flex;align-items:center;gap:28px;background:linear-gradient(135deg,#fff,#fafaff);
    border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 36px;margin-bottom:28px;
    box-shadow:var(--shadow-sm);
}
.profile-avatar-lg {
    width:80px;height:80px;border-radius:22px;background:linear-gradient(135deg,var(--primary),var(--violet));
    color:#fff;display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:800;
    flex-shrink:0;box-shadow:0 8px 24px rgba(99,102,241,.3);letter-spacing:-0.02em;
}
.profile-header-info { flex:1;min-width:0; }
.profile-name-lg { font-size:24px;font-weight:800;margin-bottom:8px;letter-spacing:-0.02em; }
.profile-meta { display:flex;align-items:center;gap:18px;font-size:13px;color:var(--text-secondary);flex-wrap:wrap; }
.profile-meta span { display:inline-flex;align-items:center;gap:6px; }
.profile-plan-badge {
    display:inline-flex;align-items:center;gap:6px;padding:5px 16px;border-radius:20px;
    font-size:13px;font-weight:700;
}
.profile-two-col { display:grid;grid-template-columns:1fr 1fr;gap:24px; }
.profile-two-col .card { height:fit-content; }

/* User Stats Mini */
.user-stats { display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px; }
.user-stat { text-align:center;padding:14px 10px;background:var(--bg);border-radius:var(--radius-sm);border:1px solid var(--border-light); }
.user-stat .us-val { font-size:22px;font-weight:800;color:var(--primary);letter-spacing:-0.02em; }
.user-stat .us-label { font-size:11px;color:var(--text-secondary);margin-top:4px;font-weight:500; }

.profile-info-row {
    display:flex;align-items:center;padding:16px 0;border-bottom:1px solid var(--border-light);gap:14px;
}
.profile-info-row:last-child { border-bottom:none; }
.profile-info-row .info-label { font-size:13px;color:var(--text-secondary);width:90px;flex-shrink:0;font-weight:500; }
.profile-info-row .info-value { font-size:14px;color:var(--text);flex:1;font-weight:500; }

/* Profile Header Right */
.profile-header-right {
    display:flex;gap:24px;flex-shrink:0;
}
.profile-stat-mini {
    text-align:center;padding:8px 16px;background:var(--bg);border-radius:var(--radius-sm);
    border:1px solid var(--border-light);
}
.profile-stat-mini .psm-val {
    font-size:16px;font-weight:800;color:var(--primary);letter-spacing:-0.02em;
}
.profile-stat-mini .psm-label {
    font-size:11px;color:var(--text-secondary);margin-top:2px;font-weight:500;
}

/* ============ Account Tabs ============ */
.account-tabs {
    display:flex;gap:4px;margin-bottom:0;background:var(--bg);border-radius:var(--radius);
    padding:4px;overflow-x:auto;
}
.account-tab {
    flex:1;min-width:fit-content;padding:12px 20px;border:none;border-radius:var(--radius-sm);
    cursor:pointer;font-size:14px;font-weight:600;color:var(--text-secondary);
    background:transparent;transition:all .2s;white-space:nowrap;
    display:flex;align-items:center;justify-content:center;gap:8px;
}
.account-tab:hover:not(.active) { color:var(--text);background:rgba(255,255,255,.5); }
.account-tab.active {
    background:#fff;color:var(--primary);box-shadow:0 1px 3px rgba(0,0,0,.08);
}
.account-tab i { font-size:13px; }
.account-tab-content { margin-top:20px; }
.account-panel { animation:pageIn .3s ease; }

/* ============ Data Table ============ */
.data-table {
    width:100%;border-collapse:collapse;font-size:13px;
}
.data-table thead th {
    padding:12px 16px;text-align:left;font-weight:700;color:var(--text-secondary);
    background:var(--bg);border-bottom:2px solid var(--border);font-size:12px;
    text-transform:uppercase;letter-spacing:.03em;white-space:nowrap;
}
.data-table tbody td {
    padding:14px 16px;border-bottom:1px solid var(--border-light);color:var(--text);
    vertical-align:middle;
}
.data-table tbody tr:hover td { background:linear-gradient(90deg,#fafaff,transparent); }
.data-table tbody tr:last-child td { border-bottom:none; }
.data-table code { font-family:"Fira Code","Consolas",monospace; }

/* ============ Detection Progress Animation ============ */
.detect-step-list { margin-top:16px; }
.detect-step {
    display:flex;align-items:center;gap:12px;padding:8px 0;font-size:13px;color:var(--text-secondary);
}
.detect-step .step-dot {
    width:18px;height:18px;border-radius:50%;border:2px solid var(--border);
    display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:9px;
}
.detect-step.done .step-dot { background:var(--success);border-color:var(--success);color:#fff; }
.detect-step.active .step-dot { border-color:var(--primary);animation:pulse 1.2s infinite; }
@keyframes pulse { 0%,100% { box-shadow:0 0 0 0 rgba(99,102,241,.4); } 50% { box-shadow:0 0 0 8px rgba(99,102,241,0); } }

/* ============ Page-specific cards ============ */
/* Project summary mini card */
.project-mini-card {
    background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;
    cursor:pointer;transition:all var(--transition);display:flex;align-items:center;gap:16px;
}
.project-mini-card:hover { border-color:var(--primary-light);box-shadow:var(--shadow);transform:translateY(-2px); }
.project-mini-card .pm-icon {
    width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
    font-size:18px;flex-shrink:0;
}
.project-mini-card .pm-info { flex:1;min-width:0; }
.project-mini-card .pm-name { font-size:15px;font-weight:700;color:var(--text); }
.project-mini-card .pm-brand { font-size:12px;color:var(--text-secondary); }
.project-mini-card .pm-score { display:flex;align-items:center;gap:6px; }

/* Page section divider */
.section-divider {
    display:flex;align-items:center;gap:14px;margin:28px 0 20px;color:var(--text-light);font-size:13px;font-weight:600;
    text-transform:uppercase;letter-spacing:.05em;
}
.section-divider::after { content:'';flex:1;height:1px;background:var(--border); }
.section-divider i { font-size:14px; }

/* Pricing toggle */
.pricing-period-toggle {
    display:inline-flex;background:var(--border-light);border-radius:var(--radius-sm);padding:3px;
    margin-bottom:24px;
}
.pricing-period-toggle button {
    padding:8px 20px;border-radius:7px;font-size:13px;font-weight:500;background:none;color:var(--text-secondary);
    transition:all var(--transition);
}
.pricing-period-toggle button.active { background:#fff;color:var(--primary);font-weight:600;box-shadow:var(--shadow-sm); }
.pricing-save-badge { font-size:10px;color:var(--success-dark);background:var(--success-bg);padding:2px 8px;border-radius:10px;font-weight:600;margin-left:4px; }

/* ============ Responsive ============ */
@media (max-width:1200px) {
    .intent-keywords-grid { grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); }
}
@media (max-width:1024px) {
    .stats-grid { grid-template-columns:1fr 1fr; }
    .quick-actions { grid-template-columns:1fr 1fr; }
    .report-metrics { grid-template-columns:repeat(3,1fr); }
    .plan-grid { grid-template-columns:repeat(2,1fr); }
    .user-stats { grid-template-columns:repeat(3,1fr); }
}
@media (max-width:768px) {
    .sidebar { transform:translateX(-100%); }
    .sidebar.show { transform:translateX(0); }
    .main-content { margin-left:0; }
    .menu-toggle { display:flex; }
    .auth-left { display:none; }
    .auth-container { max-width:440px;border-radius:var(--radius-lg); }
    .auth-right { padding:40px 28px; }
    .dashboard-hero { padding:28px 24px; }
    .hero-greeting { font-size:22px; }
    .hero-actions { flex-direction:column;width:100%; }
    .hero-btn-primary,.hero-btn-secondary { width:100%;justify-content:center; }
    .stats-grid { grid-template-columns:1fr 1fr;gap:12px; }
    .stat-card { padding:16px; }
    .stat-value { font-size:24px; }
    .quick-actions { grid-template-columns:1fr; }
    .profile-two-col { grid-template-columns:1fr; }
    .profile-header-card { flex-direction:column;text-align:center;padding:24px 20px; }
    .profile-meta { justify-content:center; }
    .profile-header-right { justify-content:center; }
    .account-tabs { gap:2px; }
    .account-tab { padding:10px 12px;font-size:12px;gap:4px; }
    .account-tab i { font-size:11px; }
    .data-table thead th,.data-table tbody td { padding:8px 10px;font-size:11px; }
    .report-metrics { grid-template-columns:repeat(2,1fr); }
    .plan-grid { grid-template-columns:1fr; }
    .intent-keywords-grid { grid-template-columns:1fr; }
    .intent-tab { padding:10px 14px;font-size:12px; }
    .category-bar .cat-label { width:80px;font-size:12px; }
    #page-content { padding:16px; }
    .month-select-grid { grid-template-columns:repeat(2,1fr); }
    .content-preview { padding:24px 20px;font-size:14px; }
    .article-h1 { font-size:21px; }
    .article-h2 { font-size:18px; }
}
@media (max-width:480px) {
    .stats-grid { grid-template-columns:1fr; }
    .user-stats { grid-template-columns:1fr; }
    .modal { padding:20px;border-radius:var(--radius); }
    .modal.modal-lg { padding:18px 20px; }
    .topbar { padding:0 16px; }
}