:root {
  --color-primary: #7c3aed;
  --color-primary-light: #a78bfa;
  --color-primary-dark: #5b21b6;
  --color-primary-bg: #f5f3ff;
  --color-accent: #f59e0b;
  --color-accent-light: #fef3c7;
  --color-surface: #ffffff;
  --color-bg: #f8fafc;
  --color-sidebar: #1e1b4b;
  --color-sidebar-hover: #312e81;
  --color-sidebar-active: #3730a3;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --color-border: #e2e8f0;
  --color-danger: #ef4444;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --sidebar-width: 240px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-font-smoothing:antialiased}
body{font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.6}

a{color:var(--color-primary);text-decoration:none}
a:hover{text-decoration:underline}
button{cursor:pointer;font-family:inherit}
input,select,textarea{font-family:inherit;font-size:inherit}

.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:none;border-radius:var(--radius-md);font-size:14px;font-weight:500;line-height:1.4;transition:all .15s}
.btn-primary{background:var(--color-primary);color:#fff}
.btn-primary:hover{background:var(--color-primary-dark)}
.btn-secondary{background:var(--color-bg);color:var(--color-text);border:1px solid var(--color-border)}
.btn-secondary:hover{background:var(--color-border)}
.btn-accent{background:var(--color-accent);color:#fff}
.btn-accent:hover{background:#d97706}
.btn-ghost{background:transparent;color:var(--color-text-secondary)}
.btn-ghost:hover{background:var(--color-bg)}
.btn-sm{padding:5px 10px;font-size:13px}
.btn-lg{padding:12px 24px;font-size:15px}
.btn-block{width:100%;justify-content:center}
.btn:disabled{opacity:.5;cursor:not-allowed}

.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:500;line-height:1.6}
.badge-primary{background:var(--color-primary-bg);color:var(--color-primary)}
.badge-accent{background:var(--color-accent-light);color:#92400e}
.badge-success{background:#d1fae5;color:#065f46}
.badge-danger{background:#fee2e2;color:#991b1b}
.badge-muted{background:#f1f5f9;color:var(--color-text-muted)}

.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px}
.card-hover:hover{border-color:var(--color-primary-light);box-shadow:var(--shadow-md)}

.input{width:100%;padding:8px 12px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:14px;background:var(--color-surface);color:var(--color-text);outline:none;transition:border .15s}
.input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(124,58,237,.1)}
.input::placeholder{color:var(--color-text-muted)}

.tag{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:var(--radius-sm);font-size:12px;background:var(--color-bg);color:var(--color-text-secondary);border:1px solid var(--color-border)}

.avatar{width:32px;height:32px;border-radius:50%;background:var(--color-primary-bg);color:var(--color-primary);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px}

.icon{width:18px;height:18px;flex-shrink:0}
.icon-sm{width:14px;height:14px}
.icon-lg{width:24px;height:24px}

.divider{height:1px;background:var(--color-border);margin:8px 0}

.scrollbar::-webkit-scrollbar{width:4px}
.scrollbar::-webkit-scrollbar-track{background:transparent}
.scrollbar::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}

/* Top nav (landing) */
.topnav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border)}
.topnav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between}
.topnav-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px;color:var(--color-primary-dark)}
.topnav-brand .icon{color:var(--color-primary)}
.topnav-links{display:flex;align-items:center;gap:28px}
.topnav-links a{color:var(--color-text-secondary);font-size:14px;font-weight:500;transition:color .15s}
.topnav-links a:hover{color:var(--color-primary);text-decoration:none}
.topnav-actions{display:flex;align-items:center;gap:10px}

/* Hero */
.hero{padding:120px 24px 80px;text-align:center;max-width:800px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:999px;font-size:13px;background:var(--color-primary-bg);color:var(--color-primary);margin-bottom:20px;font-weight:500}
.hero h1{font-size:48px;font-weight:800;line-height:1.15;color:var(--color-text);margin-bottom:16px;letter-spacing:-0.02em}
.hero h1 span{color:var(--color-primary)}
.hero p{font-size:18px;color:var(--color-text-secondary);line-height:1.7;margin-bottom:32px}
.hero-actions{display:flex;gap:12px;justify-content:center}

/* Section */
.section{padding:80px 24px;max-width:1200px;margin:0 auto}
.section-header{text-align:center;margin-bottom:48px}
.section-header h2{font-size:32px;font-weight:700;margin-bottom:12px;letter-spacing:-0.01em}
.section-header p{color:var(--color-text-secondary);font-size:16px}

/* Module cards */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.module-card{border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:28px 24px;background:var(--color-surface);transition:all .2s}
.module-card:hover{border-color:var(--color-primary-light);box-shadow:var(--shadow-lg)}
.module-card-icon{width:44px;height:44px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:22px}
.module-card-icon.design{background:#ede9fe;color:#7c3aed}
.module-card-icon.office{background:#dbeafe;color:#2563eb}
.module-card-icon.marketing{background:#fef3c7;color:#d97706}
.module-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.module-card p{color:var(--color-text-secondary);font-size:14px;margin-bottom:14px}
.module-tags{display:flex;flex-wrap:wrap;gap:6px}

/* Pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pricing-card{border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:28px 24px;background:var(--color-surface);text-align:center;transition:all .2s}
.pricing-card:hover{border-color:var(--color-primary-light);box-shadow:var(--shadow-lg)}
.pricing-card.featured{border-color:var(--color-primary);box-shadow:0 0 0 1px var(--color-primary)}
.pricing-name{font-size:14px;font-weight:600;color:var(--color-text-secondary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.02em}
.pricing-price{font-size:32px;font-weight:700;color:var(--color-text);margin-bottom:4px}
.pricing-price span{font-size:14px;font-weight:400;color:var(--color-text-secondary)}
.pricing-credits{font-size:13px;color:var(--color-text-muted);margin-bottom:16px}
.pricing-features{text-align:left;margin-bottom:20px}
.pricing-features li{font-size:13px;color:var(--color-text-secondary);padding:5px 0;list-style:none;display:flex;align-items:center;gap:8px}
.pricing-features li svg{color:var(--color-success);flex-shrink:0}

/* Footer */
.footer{background:var(--color-sidebar);color:#c4b5fd;padding:48px 24px 28px}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand{font-size:18px;font-weight:700;color:#fff;margin-bottom:8px}
.footer p{font-size:13px;line-height:1.7}
.footer h4{font-size:13px;font-weight:600;color:#fff;margin-bottom:12px;text-transform:uppercase;letter-spacing:.04em}
.footer-links{list-style:none}
.footer-links li{margin-bottom:6px}
.footer-links a{color:#a78bfa;font-size:13px;transition:color .15s}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-bottom{max-width:1200px;margin:32px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:12px;color:#7c6faa}

/* App layout */
.app-layout{display:flex;min-height:100vh}
.app-sidebar{width:var(--sidebar-width);background:var(--color-sidebar);position:fixed;top:0;left:0;bottom:0;z-index:50;display:flex;flex-direction:column;overflow-y:auto}
.app-sidebar::-webkit-scrollbar{width:3px}
.app-sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:3px}
.sidebar-brand{display:flex;align-items:center;gap:8px;padding:16px 18px;color:#fff;font-weight:700;font-size:15px;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar-brand .icon{color:var(--color-primary-light)}
.sidebar-user{padding:12px 18px;display:flex;align-items:center;gap:10px;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar-user-info{flex:1;min-width:0}
.sidebar-user-name{font-size:13px;font-weight:600;color:#fff}
.sidebar-user-plan{font-size:11px;color:#a78bfa}
.sidebar-nav{flex:1;padding:8px 10px}
.sidebar-section-title{font-size:10px;font-weight:600;color:#7c6faa;text-transform:uppercase;letter-spacing:.06em;padding:10px 10px 4px}
.sidebar-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius-sm);color:#c4b5fd;font-size:13px;font-weight:450;transition:all .12s;cursor:pointer;position:relative}
.sidebar-item:hover{background:var(--color-sidebar-hover);color:#fff;text-decoration:none}
.sidebar-item.active{background:var(--color-sidebar-active);color:#fff}
.sidebar-item .icon{color:inherit;opacity:.7}
.sidebar-item.active .icon{opacity:1}
.sidebar-item .badge{margin-left:auto;font-size:10px}
.sidebar-footer{padding:10px;border-top:1px solid rgba(255,255,255,.08)}

.app-main{margin-left:var(--sidebar-width);flex:1;display:flex;flex-direction:column;min-height:100vh}
.app-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:30}
.app-header-left{display:flex;align-items:center;gap:16px}
.app-header-right{display:flex;align-items:center;gap:12px}
.app-breadcrumb{font-size:13px;color:var(--color-text-muted);display:flex;align-items:center;gap:6px}
.app-breadcrumb span{color:var(--color-text)}
.search-box{position:relative}
.search-box input{padding:6px 12px 6px 34px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:13px;width:220px;outline:none;background:var(--color-bg)}
.search-box input:focus{border-color:var(--color-primary-light);width:280px}
.search-box .icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--color-text-muted)}
.app-content{padding:24px;flex:1}

/* Dashboard */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:18px 20px;display:flex;align-items:flex-start;justify-content:space-between}
.stat-icon{width:40px;height:40px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:20px}
.stat-icon.purple{background:var(--color-primary-bg);color:var(--color-primary)}
.stat-icon.blue{background:#dbeafe;color:#2563eb}
.stat-icon.amber{background:var(--color-accent-light);color:#d97706}
.stat-icon.green{background:#d1fae5;color:#059669}
.stat-label{font-size:12px;color:var(--color-text-muted);margin-bottom:2px}
.stat-value{font-size:24px;font-weight:700;color:var(--color-text)}
.stat-change{font-size:12px;color:var(--color-success);margin-top:2px}
.stat-change.down{color:var(--color-danger)}

/* Quick actions */
.quick-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px}
.quick-action{display:flex;align-items:center;gap:10px;padding:14px 16px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);cursor:pointer;transition:all .15s;font-size:14px;color:var(--color-text)}
.quick-action:hover{border-color:var(--color-primary-light);background:var(--color-primary-bg)}
.quick-action .icon{color:var(--color-primary)}

/* Two column */
.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}

/* Agent page */
.agent-header{margin-bottom:24px}
.agent-header-top{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.agent-header-top h2{font-size:22px;font-weight:700}
.agent-header p{color:var(--color-text-secondary);font-size:14px}
.agent-workarea{background:var(--color-surface);border:2px dashed var(--color-border);border-radius:var(--radius-lg);padding:60px 24px;text-align:center;min-height:300px;display:flex;flex-direction:column;align-items:center;justify-content:center}
.agent-workarea .icon{color:var(--color-text-muted);margin-bottom:12px}
.agent-workarea h3{font-size:16px;font-weight:600;color:var(--color-text-secondary);margin-bottom:6px}
.agent-workarea p{font-size:13px;color:var(--color-text-muted);margin-bottom:20px}
.agent-sidebar{width:280px;flex-shrink:0}
.agent-layout{display:flex;gap:20px}

/* Table */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th{text-align:left;padding:10px 14px;font-size:12px;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--color-border)}
td{padding:12px 14px;font-size:13px;border-bottom:1px solid var(--color-border);color:var(--color-text)}
tr:hover td{background:var(--color-bg)}

/* Tabs */
.tabs{display:flex;gap:0;border-bottom:2px solid var(--color-border);margin-bottom:20px}
.tab{padding:10px 18px;font-size:13px;font-weight:500;color:var(--color-text-secondary);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s}
.tab:hover{color:var(--color-text)}
.tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}

/* Form */
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:13px;font-weight:500;color:var(--color-text);margin-bottom:5px}
.form-hint{font-size:12px;color:var(--color-text-muted);margin-top:4px}

/* Notification dot */
.dot{width:8px;height:8px;border-radius:50%;background:var(--color-danger);display:inline-block}

/* Modal overlay */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:200;display:flex;align-items:center;justify-content:center}
.modal{background:var(--color-surface);border-radius:var(--radius-lg);padding:28px;max-width:440px;width:90%;box-shadow:var(--shadow-lg)}
.modal h3{font-size:18px;font-weight:600;margin-bottom:8px}
.modal p{font-size:14px;color:var(--color-text-secondary);margin-bottom:20px}

/* View toggle */
.view-toggle{display:flex;gap:4px;background:var(--color-bg);padding:3px;border-radius:var(--radius-md)}
.view-toggle button{padding:5px 10px;border:none;background:transparent;border-radius:var(--radius-sm);color:var(--color-text-muted);font-size:13px;display:flex;align-items:center;gap:4px}
.view-toggle button.active{background:var(--color-surface);color:var(--color-text);box-shadow:var(--shadow-sm)}

/* Empty state */
.empty-state{text-align:center;padding:48px 24px}
.empty-state .icon{color:var(--color-text-muted);margin-bottom:12px}
.empty-state h3{font-size:16px;font-weight:600;color:var(--color-text-secondary);margin-bottom:6px}
.empty-state p{font-size:13px;color:var(--color-text-muted);margin-bottom:16px}

/* === WF1 女装创意设计 === */
.wf1-container{max-width:1100px}
.wf1-steps{display:flex;align-items:center;justify-content:center;gap:0;margin-bottom:24px}
.wf1-step{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--color-text-muted)}
.wf1-step.active{color:var(--color-primary);font-weight:600}
.wf1-step.done{color:var(--color-success)}
.wf1-step-num{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;border:2px solid var(--color-border);flex-shrink:0}
.wf1-step.active .wf1-step-num{background:var(--color-primary);border-color:var(--color-primary);color:#fff}
.wf1-step.done .wf1-step-num{background:var(--color-success);border-color:var(--color-success);color:#fff}
.wf1-step-line{width:48px;height:2px;background:var(--color-border);margin:0 4px}
.wf1-step.done+.wf1-step-line,.wf1-step.active+.wf1-step-line{background:var(--color-success)}
.wf1-theme-chip{padding:8px 10px;border-radius:var(--radius-sm);background:var(--color-bg);cursor:pointer;transition:all .15s;border:1px solid transparent}
.wf1-theme-chip:hover{border-color:var(--color-primary-light);background:var(--color-primary-bg)}
.wf1-theme-chip.selected{border-color:var(--color-primary);background:var(--color-primary-bg);box-shadow:0 0 0 1px var(--color-primary)}
.wf1-occasion-chip{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 6px;border-radius:var(--radius-sm);background:var(--color-bg);cursor:pointer;transition:all .15s;border:1px solid transparent;text-align:center}
.wf1-occasion-chip:hover{border-color:var(--color-primary-light);background:var(--color-primary-bg)}
.wf1-occasion-chip.selected{border-color:var(--color-primary);background:var(--color-primary-bg);box-shadow:0 0 0 1px var(--color-primary)}
.wf1-style-tag{padding:4px 10px;border-radius:999px;font-size:12px;background:var(--color-bg);color:var(--color-text-secondary);cursor:pointer;transition:all .12s;border:1px solid var(--color-border);user-select:none}
.wf1-style-tag:hover{border-color:var(--color-primary-light);color:var(--color-primary)}
.wf1-style-tag.selected{background:var(--color-primary-bg);color:var(--color-primary);border-color:var(--color-primary);font-weight:500}

/* === WF2 女装配色设计 === */
.wf2-theme-card{padding:10px 10px;border-radius:var(--radius-sm);background:var(--color-bg);cursor:pointer;transition:all .15s;border:1px solid transparent}
.wf2-theme-card:hover{border-color:var(--color-primary-light);background:var(--color-primary-bg)}
.wf2-theme-card.selected{border-color:var(--color-primary);background:var(--color-primary-bg);box-shadow:0 0 0 1px var(--color-primary)}
.wf2-inspo-chip{padding:8px 10px;border-radius:var(--radius-sm);background:var(--color-bg);cursor:pointer;transition:all .15s;border:1px solid transparent}
.wf2-inspo-chip:hover{border-color:var(--color-primary-light);background:var(--color-primary-bg)}
.wf2-inspo-chip.selected{border-color:var(--color-primary);background:var(--color-primary-bg);box-shadow:0 0 0 1px var(--color-primary)}

/* === WF3 智能换装 === */
.wf3-model-chip{padding:8px 8px;border-radius:var(--radius-sm);background:var(--color-bg);cursor:pointer;transition:all .15s;border:1px solid transparent}
.wf3-model-chip:hover{border-color:var(--color-primary-light);background:var(--color-primary-bg)}
.wf3-model-chip.selected{border-color:var(--color-primary);background:var(--color-primary-bg);box-shadow:0 0 0 1px var(--color-primary)}

/* Responsive */
@media(max-width:1024px){
  .pricing-grid{grid-template-columns:repeat(2,1fr)}
  .module-grid{grid-template-columns:1fr 1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .topnav-links{display:none}
  .hero h1{font-size:32px}
  .section{padding:48px 16px}
  .module-grid{grid-template-columns:1fr}
  .pricing-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .app-sidebar{transform:translateX(-100%);transition:transform .2s}
  .app-sidebar.open{transform:translateX(0)}
  .app-main{margin-left:0}
  .stat-grid{grid-template-columns:1fr}
  .content-grid{grid-template-columns:1fr}
  .agent-layout{flex-direction:column}
  .agent-sidebar{width:100%}
}