*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;background:#f5f6f8;color:#2c3e50;min-height:100vh;line-height:1.6}
a{color:#f78166;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Header */
.header{background:#fff;border-bottom:1px solid #e8eaed;padding:0 20px;position:sticky;top:0;z-index:100;box-shadow:0 1px 3px rgba(0,0,0,0.04)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-size:22px;font-weight:bold;color:#f78166;display:flex;align-items:center;gap:8px}
.logo img{width:32px;height:32px}
.nav{display:flex;gap:24px;align-items:center}
.nav a{color:#5a6270;font-size:14px;transition:color .2s}
.nav a:hover,.nav a.active{color:#f78166}
.nav .btn{padding:6px 16px;border-radius:6px;border:1px solid #dde1e6;background:#fff;color:#2c3e50;cursor:pointer;font-size:14px}
.nav .btn-primary{background:#f78166;border-color:#f78166;color:#fff}
.nav .badge{background:#27ae60;color:#fff;padding:2px 8px;border-radius:12px;font-size:12px}

/* Hero */
.hero{text-align:center;padding:80px 20px 60px}
.hero h1{font-size:42px;color:#2c3e50;margin-bottom:16px}
.hero p{font-size:18px;color:#6c757d;max-width:600px;margin:0 auto 30px}
.hero .btn-group{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 28px;border-radius:8px;font-size:16px;cursor:pointer;border:none;transition:all .2s;text-align:center}
.btn-primary{background:#f78166;color:#fff}
.btn-primary:hover{background:#e86a50}
.btn-outline{background:transparent;border:1px solid #dde1e6;color:#2c3e50}
.btn-outline:hover{background:#f0f1f3}
.btn-lg{padding:16px 36px;font-size:18px}
.btn:disabled{opacity:.6;cursor:not-allowed}

/* Features Grid */
.features{padding:60px 20px}
.features h2{text-align:center;font-size:32px;color:#2c3e50;margin-bottom:40px}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;max-width:1200px;margin:0 auto}
.feature-card{background:#fff;border:1px solid #e8eaed;border-radius:12px;padding:24px;cursor:pointer;transition:all .2s;box-shadow:0 1px 3px rgba(0,0,0,0.03)}
.feature-card:hover{border-color:#f78166;box-shadow:0 4px 12px rgba(247,129,102,0.1);transform:translateY(-2px)}
.feature-card .icon{font-size:36px;margin-bottom:12px}
.feature-card h3{font-size:18px;color:#2c3e50;margin-bottom:8px}
.feature-card p{font-size:14px;color:#6c757d}
.feature-card .tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;margin-left:8px}
.tag-hot{background:#e74c3c;color:#fff}
.tag-new{background:#27ae60;color:#fff}
.tag-free{background:#3498db;color:#fff}

/* Section */
.section{padding:60px 20px}
.section h2{text-align:center;font-size:28px;color:#2c3e50;margin-bottom:16px}
.section .desc{text-align:center;color:#6c757d;margin-bottom:40px}

/* Tool Page Layout */
.tool-page{display:flex;gap:32px;max-width:1200px;margin:40px auto;padding:0 20px;flex-wrap:wrap}
.tool-upload{flex:1;min-width:300px}
.tool-result{flex:1;min-width:300px}
.upload-zone{background:#fff;border:2px dashed #dde1e6;border-radius:12px;padding:60px 20px;text-align:center;cursor:pointer;transition:all .2s;min-height:300px;display:flex;flex-direction:column;align-items:center;justify-content:center}
.upload-zone:hover{border-color:#f78166;background:#fffaf8}
.upload-zone img{max-width:100%;max-height:400px;border-radius:8px}
.upload-zone .placeholder{font-size:48px;color:#c0c4cc;margin-bottom:12px}
.upload-zone .text{color:#8e96a3;font-size:14px}
.result-zone{background:#fff;border:1px solid #e8eaed;border-radius:12px;padding:24px;min-height:300px;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 1px 3px rgba(0,0,0,0.03)}
.result-zone .placeholder{color:#8e96a3;font-size:14px}
.result-zone img{max-width:100%;max-height:400px;border-radius:8px}

/* --- Inline option chips & segments (replaces native selects) --- */
.option-label{display:block;color:#5a6270;font-size:13px;margin-bottom:6px;font-weight:500}
.chip-group{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-block;padding:8px 18px;border-radius:20px;border:1.5px solid #dde1e6;background:#fff;color:#5a6270;cursor:pointer;font-size:13px;user-select:none;transition:all .15s}
.chip:hover{border-color:#f78166;color:#f78166}
.chip.active{background:#fff5f2;border-color:#f78166;color:#f78166;font-weight:600}
.segment-group{display:inline-flex;border-radius:8px;overflow:hidden;border:1.5px solid #dde1e6}
.segment{display:inline-block;padding:8px 20px;background:#fff;color:#5a6270;cursor:pointer;font-size:13px;user-select:none;transition:all .15s;border-right:1px solid #dde1e6}
.segment:last-child{border-right:none}
.segment:hover{background:#fafafa}
.segment.active{background:#f78166;color:#fff;border-right-color:#f78166}

/* Toggle switch */
.toggle-row{display:flex;align-items:center;gap:10px}
.toggle-switch{position:relative;width:46px;height:26px;display:inline-block}
.toggle-switch input{display:none}
.toggle-slider{position:absolute;inset:0;background:#dde1e6;border-radius:13px;cursor:pointer;transition:.2s}
.toggle-slider::before{content:'';position:absolute;width:20px;height:20px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,0.15)}
.toggle-switch input:checked+.toggle-slider{background:#f78166}
.toggle-switch input:checked+.toggle-slider::before{transform:translateX(20px)}

/* Preset buttons for photo editor */
.preset-grid{display:flex;flex-wrap:wrap;gap:8px}
.preset-btn{padding:10px 16px;border:1.5px solid #dde1e6;border-radius:10px;background:#fff;color:#5a6270;cursor:pointer;font-size:13px;user-select:none;transition:all .15s;text-align:center}
.preset-btn:hover{border-color:#f78166;color:#f78166;background:#fff8f6}
.preset-btn.active{background:#fff5f2;border-color:#f78166;color:#f78166;font-weight:600;box-shadow:0 0 0 1px #f78166 inset}

.filter-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.filter-card{border:2px solid #dde1e6;border-radius:12px;overflow:hidden;cursor:pointer;text-align:center;transition:all .15s;background:#fff}
.filter-card:hover{border-color:#f78166;transform:translateY(-2px);box-shadow:0 4px 12px rgba(247,129,102,0.15)}
.filter-card.active{border-color:#f78166;background:#fff5f2;box-shadow:0 0 0 2px #f78166}
.filter-card img{width:100%;height:100px;object-fit:cover;display:block}
.filter-card span{display:block;padding:8px 6px;font-size:12px;color:#5a6270;font-weight:500}
.filter-card.active span{color:#f78166;font-weight:600}

.marker-dot{position:absolute;width:24px;height:24px;background:#f85149;border:2px solid #fff;border-radius:50%;color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;transform:translate(-50%,-50%);pointer-events:none;box-shadow:0 2px 6px rgba(0,0,0,0.35);z-index:10;cursor:pointer}

.lighting-section-title{font-size:13px;font-weight:600;color:#2c3e50;margin-bottom:8px}
.lighting-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.lighting-card{border:2px solid #dde1e6;border-radius:10px;padding:12px 14px;cursor:pointer;transition:all .15s;background:#fff;display:flex;flex-direction:column;gap:4px}
.lighting-card:hover{border-color:#f78166;background:#fff8f6}
.lighting-card.active{border-color:#f78166;background:#fff5f2;box-shadow:0 0 0 2px #f78166}
.lighting-name{font-size:14px;font-weight:600;color:#2c3e50}
.lighting-card.active .lighting-name{color:#f78166}
.lighting-desc{font-size:11px;color:#8e96a3}
.lighting-card.active .lighting-desc{color:#d48060}

/* Auth Pages */
.auth-page{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 60px);padding:40px 20px}
.auth-card{background:#fff;border:1px solid #e8eaed;border-radius:12px;padding:40px;width:400px;max-width:100%;box-shadow:0 2px 8px rgba(0,0,0,0.04)}
.auth-card h2{text-align:center;color:#2c3e50;margin-bottom:24px}
.form-group{margin-bottom:16px}
.form-group label{display:block;color:#2c3e50;margin-bottom:6px;font-size:14px}
.form-group input,.form-group select{width:100%;padding:10px 12px;background:#fff;border:1.5px solid #dde1e6;border-radius:8px;color:#2c3e50;font-size:14px;outline:none;transition:border-color .15s}
.form-group input:focus,.form-group select:focus{border-color:#f78166}
.form-group .hint{color:#8e96a3;font-size:12px;margin-top:4px}
.form-actions{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-top:24px}
.form-actions a{font-size:14px}

/* Pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px;max-width:1200px;margin:0 auto}
.pricing-card{background:#fff;border:1px solid #e8eaed;border-radius:12px;padding:30px;text-align:center;transition:all .2s;box-shadow:0 1px 3px rgba(0,0,0,0.03)}
.pricing-card:hover{border-color:#f78166;box-shadow:0 4px 12px rgba(247,129,102,0.1)}
.pricing-card.recommended{border-color:#f78166;position:relative}
.pricing-card.recommended::before{content:'推荐';position:absolute;top:-12px;right:20px;background:#f78166;color:#fff;padding:4px 12px;border-radius:12px;font-size:12px}
.pricing-card h3{font-size:22px;color:#2c3e50;margin-bottom:8px}
.pricing-card .price{font-size:36px;color:#f78166;font-weight:bold;margin:16px 0}
.pricing-card .price span{font-size:16px;color:#8e96a3}
.pricing-card .features{text-align:left;margin:20px 0;list-style:none;padding:0}
.pricing-card .features li{padding:6px 0;color:#5a6270;font-size:14px}
.pricing-card .features li::before{content:'✓ ';color:#27ae60}

/* Dashboard */
.dashboard{max-width:1200px;margin:40px auto;padding:0 20px}
.dashboard h2{color:#2c3e50;margin-bottom:24px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:40px}
.stat-card{background:#fff;border:1px solid #e8eaed;border-radius:10px;padding:20px;box-shadow:0 1px 3px rgba(0,0,0,0.03)}
.stat-card .label{color:#8e96a3;font-size:13px;margin-bottom:8px}
.stat-card .value{font-size:28px;color:#2c3e50;font-weight:bold}
.data-table{width:100%;border-collapse:collapse}
.data-table th,.data-table td{border:1px solid #e8eaed;padding:12px;text-align:left;font-size:14px}
.data-table th{background:#f8f9fa;color:#5a6270;font-weight:600}
.data-table td{color:#2c3e50}
.data-table tr:hover td{background:#fafbfc}

/* Footer */
.footer{background:#fff;border-top:1px solid #e8eaed;padding:30px 20px;text-align:center;color:#8e96a3;font-size:13px;margin-top:40px}
.footer a{color:#8e96a3;margin:0 8px}

/* Toast */
.toast{position:fixed;top:20px;right:20px;z-index:9999;padding:12px 24px;border-radius:8px;color:#fff;font-size:14px;animation:slideIn .3s ease;box-shadow:0 4px 12px rgba(0,0,0,0.15)}
.toast-success{background:#27ae60}
.toast-error{background:#e74c3c}
.toast-info{background:#3498db}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(15,15,25,0.6);z-index:1000;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:fadeIn .2s ease}
.modal{background:#fff;border:1px solid #e8eaed;border-radius:12px;padding:30px;max-width:500px;width:90%;box-shadow:0 8px 30px rgba(0,0,0,0.12)}
.modal h3{color:#2c3e50;margin-bottom:16px}
.modal .close{float:right;background:none;border:none;color:#8e96a3;cursor:pointer;font-size:20px}
.modal-box{background:#fff;border:1px solid #dde1e6;border-radius:14px;width:90%;box-shadow:0 12px 40px rgba(0,0,0,0.2),0 0 0 1px rgba(0,0,0,0.04);overflow:hidden;animation:modalIn .25s ease}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid #eef0f2;background:#fafbfc}
.modal-header h3{margin:0;color:#1a1d23;font-size:16px;font-weight:600}
.modal-close{background:none;border:none;color:#8e96a3;cursor:pointer;font-size:22px;line-height:1;padding:0;transition:color .15s}
.modal-close:hover{color:#f85149}
.modal-body{padding:24px;background:#fff}
.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:14px 24px;border-top:1px solid #eef0f2;background:#fafbfc}
.radio-label{cursor:pointer;font-size:14px;color:#2c3e50;display:inline-flex;align-items:center;gap:6px}
.radio-label input[type=radio]{accent-color:#f78166}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes modalIn{from{opacity:0;transform:translateY(16px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}

/* Loading */
.loading{display:inline-block;width:24px;height:24px;border:3px solid #e8eaed;border-top-color:#f78166;border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Tabs */
.tabs{display:flex;gap:0;border-bottom:2px solid #e8eaed;margin-bottom:24px}
.tab{padding:12px 20px;color:#8e96a3;cursor:pointer;border:none;background:none;font-size:14px;transition:all .2s}
.tab.active{color:#f78166;border-bottom:2px solid #f78166;margin-bottom:-2px}

/* Code */
.code{background:#f8f9fa;border:1px solid #e8eaed;border-radius:6px;padding:16px;font-family:'Consolas',monospace;font-size:13px;color:#2c3e50;overflow-x:auto;white-space:pre-wrap;word-break:break-all}

/* API docs specific */
.api-section{margin-bottom:32px}
.api-section h3{color:#2c3e50;margin-bottom:8px;font-size:18px}
.api-section h4{color:#f78166;margin:16px 0 8px;font-size:14px}
.endpoint-tag{display:inline-block;padding:2px 8px;border-radius:3px;font-size:12px;font-weight:bold;margin-right:8px}
.endpoint-tag.post{background:#27ae60;color:#fff}
.endpoint-tag.get{background:#3498db;color:#fff}
.endpoint-url{font-family:monospace;font-size:15px;color:#2c3e50}
.param-table{width:100%;max-width:700px;margin:8px 0 16px;border-collapse:collapse}
.param-table th{text-align:left;padding:6px 12px;background:#f8f9fa;color:#5a6270;font-size:12px;font-weight:500;border:1px solid #e8eaed}
.param-table td{padding:8px 12px;font-size:13px;color:#2c3e50;border:1px solid #e8eaed;vertical-align:top}
.param-table .required{color:#e74c3c;font-weight:bold}
.param-table .optional{color:#8e96a3}
.code-block{position:relative;background:#f8f9fa;border:1px solid #e8eaed;border-radius:6px;margin:8px 0 16px;overflow:hidden}
.code-block pre{padding:16px;margin:0;overflow-x:auto;font-size:13px;line-height:1.5;color:#2c3e50;font-family:Consolas,Monaco,'Courier New',monospace;white-space:pre-wrap;word-break:break-all}
.copy-btn{position:absolute;top:8px;right:8px;padding:4px 12px;font-size:12px;background:#fff;color:#5a6270;border:1px solid #dde1e6;border-radius:4px;cursor:pointer}
.copy-btn:hover{background:#f0f1f3}
.copy-btn.copied{background:#27ae60;border-color:#27ae60;color:#fff}
.tab-bar{display:flex;gap:0;margin:12px 0 0}
.tab-btn{padding:8px 20px;font-size:13px;background:#fff;color:#8e96a3;border:1px solid #e8eaed;cursor:pointer;border-bottom:none;border-radius:6px 6px 0 0}
.tab-btn.active{background:#f8f9fa;color:#2c3e50;font-weight:600}

/* Job info box */
.job-info-box{margin-top:12px;padding:14px;background:#fff;border:1px solid #e8eaed;border-radius:8px;text-align:center}

/* Filter chips (for restore & enhance) */
.filter-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.filter-chip-btn{padding:8px 16px;border-radius:20px;border:1.5px solid #dde1e6;background:#fff;color:#5a6270;cursor:pointer;font-size:13px;user-select:none;transition:all .15s}
.filter-chip-btn:hover{border-color:#f78166;color:#f78166}
.filter-chip-btn.active{background:#fff5f2;border-color:#f78166;color:#f78166;font-weight:600}

/* Segmented control (for format selects) */
.segmented{display:inline-flex;border-radius:8px;border:1.5px solid #dde1e6;overflow:hidden}
.segmented span{padding:8px 18px;background:#fff;color:#5a6270;cursor:pointer;font-size:13px;user-select:none;transition:all .15s;border-right:1px solid #dde1e6}
.segmented span:last-child{border-right:none}
.segmented span:hover{background:#fafafa}
.segmented span.active{background:#f78166;color:#fff;border-right-color:#f78166}

/* Input fields in white theme */
input[type="text"],input[type="email"],input[type="password"],input[type="number"],select,textarea{padding:10px 12px;background:#fff;border:1.5px solid #dde1e6;border-radius:8px;color:#2c3e50;font-size:14px;outline:none;transition:border-color .15s}
input:focus,select:focus,textarea:focus{border-color:#f78166}

@media(max-width:768px){
  .hero h1{font-size:28px}
  .nav{gap:12px}
  .tool-page{flex-direction:column}
  .feature-grid{grid-template-columns:1fr}
}