/* Token :root moved to tokens.css (stage 1 unification). Legacy names
   (--bg/--card/--primary/…/--transition) resolve there via aliases, so
   every var(--old-name) below keeps working unchanged. */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ── Header ── */
header{background:#fff;color:var(--text);padding:0;position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border);box-shadow:0 1px 3px rgba(0,0,0,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.header-logo{font-size:18px;font-weight:700;letter-spacing:-.5px;text-decoration:none;color:var(--text);display:flex;align-items:center;gap:8px}
.header-logo .logo-mark{width:28px;height:28px;background:var(--accent);border-radius:6px;display:flex;align-items:center;justify-content:center}
.header-logo .logo-mark svg{width:16px;height:16px;fill:#fff}
.header-nav{display:flex;align-items:center;gap:4px}
.header-nav a,.header-nav button{color:var(--text2);text-decoration:none;font-size:13px;padding:6px 14px;border-radius:6px;border:none;background:none;cursor:pointer;transition:var(--transition);font-weight:500}
.header-nav a:hover,.header-nav button:hover{color:var(--text);background:var(--bg)}
.header-nav .btn-lang{border:1px solid var(--border);font-size:12px;padding:4px 10px;color:var(--text2)}
.header-nav .btn-login{background:var(--primary);color:#fff;font-weight:600;padding:6px 18px;border-radius:6px}
.header-nav .btn-login:hover{background:var(--primary-dark)}

/* ── Hero Section ── */
.hero{background:var(--bg);color:var(--text);padding:80px 0 60px;position:relative;overflow:hidden;text-align:center}
.hero::after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:40px;background:var(--bg);border-radius:50% 50% 0 0/100% 100% 0 0}
.hero h1{font-size:52px;font-weight:800;margin-bottom:16px;letter-spacing:-1.5px;color:var(--text)}
.hero p{font-size:18px;color:var(--text2);max-width:600px;margin:0 auto 32px;line-height:1.7}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn-hero{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:8px;font-size:16px;font-weight:600;text-decoration:none;border:none;cursor:pointer;transition:var(--transition)}
.btn-hero.primary{background:var(--accent);color:#fff;box-shadow:0 4px 16px rgba(234,179,8,.3)}
.btn-hero.primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 24px rgba(234,179,8,.4)}
.btn-hero.outline{background:transparent;color:var(--text);border:2px solid var(--border2)}
.btn-hero.outline:hover{border-color:var(--text2);background:var(--bg)}

/* Hero Upload Area */
.hero-upload{margin:40px auto 0;max-width:680px;width:100%}
.upload-area{border:2px dashed var(--border2);border-radius:12px;padding:48px 24px;text-align:center;cursor:pointer;transition:var(--transition);background:#fff}
.upload-area:hover,.upload-area.dragover{border-color:var(--accent);background:var(--accent-light)}
.upload-area .icon{font-size:36px;margin-bottom:8px;color:var(--text3)}
.upload-area h3{font-size:15px;margin-bottom:4px;color:var(--text)}
.upload-area .hint{font-size:13px;color:var(--text2)}

.hero-stats{display:flex;justify-content:center;gap:48px;margin-top:40px;flex-wrap:wrap}
.hero-stat{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text2)}
.hero-stat .num{font-weight:700;color:var(--text)}
.hero-stat .divider{color:var(--border2);margin:0 8px}

/* ── Services ── */
.services{padding:60px 0 40px;background:var(--bg)}
.services h2{text-align:center;font-size:32px;margin-bottom:8px;font-weight:700}
.services .sub{text-align:center;color:var(--text2);margin-bottom:40px;font-size:15px}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;cursor:pointer;transition:var(--transition)}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--accent)}
.service-card.active{border-color:var(--accent);box-shadow:0 0 0 3px rgba(234,179,8,.15)}
.service-icon{width:28px;height:28px;margin-bottom:16px;color:var(--accent);display:flex;align-items:center;justify-content:center}
.service-card h3{font-size:16px;margin-bottom:6px;font-weight:700}
.service-card p{font-size:13px;color:var(--text2);line-height:1.5}

/* ── Trust Section ── */
.trust{padding:60px 0;background:#6b7280;text-align:center}
.trust h2{color:#fff;font-size:28px;margin-bottom:32px;font-weight:700}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-card{background:#4b5563;border:1px solid #6b7280;border-radius:10px;padding:24px;text-align:left;transition:var(--transition)}
.trust-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.2)}
.trust-card .t-icon{width:24px;height:24px;color:var(--accent);margin-bottom:12px}
.trust-card h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:6px}
.trust-card p{font-size:13px;color:#d1d5db;line-height:1.5}

/* ── Process Steps ── */
.process-section{padding:60px 0;background:var(--bg);text-align:center}
.process-section h2{font-size:32px;font-weight:700;margin-bottom:40px}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.step-card{text-align:center}
.step-circle{width:56px;height:56px;background:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;font-weight:700;color:#fff}
.step-card h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--text)}
.step-card p{font-size:14px;color:var(--text2)}

/* ── MultiProcess Section ── */
.multiprocess{padding:60px 0;background:#fff}
.multiprocess h2{font-size:32px;font-weight:700;text-align:center;margin-bottom:8px}
.multiprocess .sub{text-align:center;color:var(--text2);margin-bottom:32px;font-size:15px}
.mp-tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:32px}
.mp-tab{padding:8px 20px;border:1px solid var(--border);border-radius:8px;background:#fff;cursor:pointer;font-size:13px;font-weight:500;color:var(--text2);transition:var(--transition)}
.mp-tab:hover{border-color:var(--accent);color:var(--text)}
.mp-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.mp-detail{display:grid;grid-template-columns:1fr 400px;gap:32px;align-items:start}
.mp-detail h3{font-size:20px;font-weight:700;margin-bottom:8px}
.mp-detail p{color:var(--text2);font-size:14px;line-height:1.7;margin-bottom:16px}
.mp-placeholder{background:var(--bg);border-radius:10px;height:240px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;color:var(--text3)}

/* ── ISO Bar ── */
.iso-bar{background:#e5e7eb;padding:24px 0;text-align:center}
.iso-badges{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.iso-badge{background:#fff;padding:8px 20px;border-radius:6px;font-size:13px;font-weight:600;color:var(--text2)}

/* ── Newsletter ── */
.newsletter{background:#6b7280;padding:48px 0;text-align:center}
.newsletter h3{color:#fff;font-size:18px;font-weight:600;margin-bottom:16px}
.newsletter-form{display:flex;gap:8px;justify-content:center;max-width:440px;margin:0 auto}
.newsletter-form input{flex:1;padding:12px 16px;border:1px solid #9ca3af;border-radius:8px;font-size:14px;background:#fff;color:var(--text)}
.newsletter-form button{padding:12px 24px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:var(--transition)}
.newsletter-form button:hover{background:var(--accent-hover)}

/* ── Quote Flow ── */
.quote-section{padding:0 0 60px}
.quote-card{background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}
.quote-card-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}
.quote-card-header h2{font-size:17px;font-weight:700}
.step-badge{width:28px;height:28px;background:var(--accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0}
.quote-card-body{padding:24px}

/* Tabs */
.process-tabs{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:20px}
.process-tab{padding:10px 20px;border:none;background:none;cursor:pointer;font-size:14px;color:var(--text2);border-bottom:2px solid transparent;margin-bottom:-2px;font-weight:500;transition:var(--transition)}
.process-tab:hover{color:var(--accent)}
.process-tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}
.tab-panel{display:none;animation:fadeIn .2s ease}
.tab-panel.active{display:block}

/* Upload */
.upload-zone{border:2px dashed var(--border2);border-radius:12px;padding:48px 24px;text-align:center;cursor:pointer;transition:var(--transition);background:var(--bg)}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent);background:var(--accent-light)}
.upload-zone .icon{font-size:36px;margin-bottom:8px}
.upload-zone h3{font-size:15px;margin-bottom:4px}
.upload-zone .hint{font-size:13px;color:var(--text2)}

/* Forms */
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.form-group{margin-bottom:4px}
.form-group label{display:block;font-size:12px;font-weight:600;color:var(--text2);margin-bottom:4px;text-transform:uppercase;letter-spacing:.3px}
.form-group input,.form-group select{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;transition:var(--transition);background:#fff}
.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(234,179,8,.1)}
.checkboxes{display:flex;flex-wrap:wrap;gap:10px;padding-top:16px}
.checkboxes label{font-size:13px;font-weight:400!important;color:var(--text);cursor:pointer;text-transform:none!important;letter-spacing:0!important}
.checkboxes input{margin-right:4px}
.checkbox-group{max-height:140px;overflow-y:auto}
.checkbox-group label{display:block;font-size:13px;margin-bottom:3px;cursor:pointer}

/* Buttons */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;padding:12px 32px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:var(--transition);box-shadow:0 2px 8px rgba(234,179,8,.3)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px rgba(234,179,8,.4)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-outline{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border:1px solid var(--border);border-radius:8px;background:#fff;cursor:pointer;font-size:13px;color:var(--text);font-weight:500;transition:var(--transition)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.btn-sm{padding:4px 12px;border:1px solid var(--border);border-radius:6px;background:#fff;cursor:pointer;font-size:12px;color:var(--text2);transition:var(--transition)}
.btn-sm:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm.danger:hover{border-color:var(--danger);color:var(--danger)}

/* Results */
.results-header{display:flex;justify-content:space-between;align-items:center}
.results-header h2{margin:0;font-size:17px}
.sub-section{margin-top:24px}
.sub-section h3{font-size:15px;margin-bottom:12px;font-weight:600}

/* Tables */
.data-table{width:100%;border-collapse:collapse;font-size:13px}
.data-table th{text-align:left;padding:10px 12px;background:var(--bg);font-weight:600;color:var(--text2);border-bottom:2px solid var(--border);font-size:12px;text-transform:uppercase;letter-spacing:.3px}
.data-table td{padding:8px 12px;border-bottom:1px solid var(--border)}
.data-table tbody tr:hover{background:#fafafa}

/* DFM */
.severity-pass{color:var(--success);font-weight:600}
.severity-warning{color:var(--warning);font-weight:600}
.severity-fail{color:var(--danger);font-weight:600}
.dfm-summary{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-weight:600;font-size:14px}
.dfm-summary.all-pass{background:#ecfdf5;color:var(--success);border-left:4px solid var(--success)}
.dfm-summary.has-warning{background:#fffbeb;color:var(--warning);border-left:4px solid var(--warning)}
.dfm-summary.has-fail{background:#fef2f2;color:var(--danger);border-left:4px solid var(--danger)}

/* Pricing */
.total-row{display:flex;justify-content:space-between;padding:10px 0;font-size:15px;border-top:1px solid var(--border)}
.total-final{font-size:22px;font-weight:800;color:var(--accent);border-top:2px solid var(--accent);margin-top:8px;padding:14px 0}
.total-label{color:var(--text2)}
.total-value{font-weight:600}
.delivery-info{text-align:center;margin-top:12px;color:var(--text2);font-size:14px;padding:10px;background:var(--accent-light);border-radius:8px}

/* Status */
.status-msg{padding:12px 16px;border-radius:8px;margin-top:12px;font-size:14px;animation:fadeIn .3s}
.status-msg.success{background:#ecfdf5;color:var(--success)}
.status-msg.error{background:#fef2f2;color:var(--danger)}
.status-msg.warning{background:#fffbeb;color:var(--warning)}
.status-badge{display:inline-block;padding:2px 10px;border-radius:4px;font-size:12px;font-weight:600}
.status-draft{background:#fef3c7;color:#92400e}
.status-confirmed{background:#d1fae5;color:#065f46}
.status-ordered{background:#dbeafe;color:#1e40af}
.status-completed{background:#e0e7ff;color:#3730a3}
.status-cancelled{background:#f1f5f9;color:#475569}

/* Preview */
.preview-3d-wrap{margin-top:16px}
.preview-3d{width:100%;max-width:500px;height:260px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin:0 auto}

/* Chart */
.chart-title{font-size:14px;color:var(--text2);margin-bottom:8px}

/* Footer */
footer{background:#e5e7eb;color:var(--text2);padding:32px 0;text-align:center;font-size:13px}
footer .footer-brand{font-weight:700;color:var(--text);margin-bottom:8px}
footer .footer-links{display:flex;justify-content:center;gap:24px;margin-bottom:8px}
footer a{color:var(--text2);text-decoration:none;font-size:12px}
footer a:hover{color:var(--text)}

/* History Filters */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px;align-items:end}
.filter-bar .form-group{min-width:130px;margin:0}
.filter-bar .form-group input,.filter-bar .form-group select{padding:6px 10px;font-size:13px}
.filter-bar .btn-outline{padding:6px 14px;font-size:12px;height:32px}

/* 3D Preview */
.parsed-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{font-size:11px;color:var(--text2);text-transform:uppercase;letter-spacing:.3px}
.field span{font-weight:600;font-size:14px;display:block}

/* Code */
code{font-size:12px;background:var(--bg);padding:2px 6px;border-radius:4px;color:var(--primary-dark);font-family:"SF Mono","Fira Code",monospace}

/* Animations */
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

/* ── Responsive ── */
@media(max-width:768px){
  .hero{padding:50px 0 40px}
  .hero h1{font-size:28px}
  .hero p{font-size:15px}
  .hero-stats{gap:16px;flex-wrap:wrap;justify-content:center}
  .service-grid{grid-template-columns:1fr 1fr}
  .trust-grid{grid-template-columns:1fr 1fr}
  .steps-grid{grid-template-columns:1fr}
  .mp-detail{grid-template-columns:1fr}
  .mp-placeholder{height:180px}
  .form-grid{grid-template-columns:1fr 1fr}
  .data-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .header-nav .hide-mobile{display:none}
  .parsed-grid{grid-template-columns:1fr}
  .process-tabs{overflow-x:auto;-webkit-overflow-scrolling:touch;flex-wrap:nowrap;gap:0;padding-bottom:4px}
  .process-tab{white-space:nowrap;padding:10px 14px;font-size:13px;flex-shrink:0}
  .total-row{flex-direction:column;gap:2px;align-items:flex-end}
  .quote-card-header{flex-wrap:wrap;gap:8px}
  .checkbox-group{flex-direction:column;gap:6px}
  .filter-bar{flex-wrap:wrap}
  .filter-bar .form-group{min-width:calc(50% - 8px)}
  .iso-badges{gap:8px}
  .newsletter-form{flex-direction:column;padding:0 16px}
  .mp-tabs{gap:4px}
  .mp-tab{padding:6px 14px;font-size:12px}
  /* Mobile hamburger */
  .header-nav{position:absolute;top:60px;left:0;right:0;background:#fff;flex-direction:column;padding:8px;gap:0;display:none;box-shadow:0 4px 12px rgba(0,0,0,.1);border-top:1px solid var(--border)}
  .header-nav.open{display:flex}
  .header-nav a,.header-nav button{width:100%;text-align:left;padding:10px 16px;border-radius:0}
  .header-nav .hide-mobile{display:block}
  .mobile-menu-btn{display:block;background:none;border:none;color:var(--text);font-size:22px;cursor:pointer;padding:8px}
}
@media(max-width:480px){
  .hero h1{font-size:22px}
  .hero p{font-size:14px}
  .hero-actions{flex-direction:column;align-items:center}
  .service-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .quote-card-body{padding:16px}
  .container{padding:0 12px}
  .filter-bar{flex-direction:column}
  .filter-bar .form-group{min-width:100%}
  .upload-zone{padding:28px 16px}
  .preview-3d{height:200px}
  .total-final{font-size:18px}
  .hero-stats{flex-wrap:wrap;justify-content:center}
  .data-table th,.data-table td{padding:6px 8px;font-size:12px}
  .btn-primary{width:100%;text-align:center}
  .modal{width:95%;padding:16px}
}
/* Mobile menu button - hidden on desktop */
.mobile-menu-btn{display:none}
@media(max-width:768px){.mobile-menu-btn{display:block}}

/* Dark mode — legacy token dark values now live in tokens.css; only
   component rules remain here. */
[data-theme="dark"] header{background:var(--card);border-color:var(--border)}
[data-theme="dark"] .header-nav{background:var(--card)}
[data-theme="dark"] .trust{background:#374151}
[data-theme="dark"] .trust-card{background:#1f2937;border-color:#374151}
[data-theme="dark"] .newsletter{background:#374151}
[data-theme="dark"] .iso-bar{background:#374151}
[data-theme="dark"] .iso-badge{background:#1f2937;color:var(--text2)}
[data-theme="dark"] footer{background:#1f2937}
[data-theme="dark"] .mp-tab{background:var(--card);border-color:var(--border)}
[data-theme="dark"] .mp-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}
[data-theme="dark"] .multiprocess{background:var(--card)}
[data-theme="dark"] .mp-placeholder{background:var(--bg)}

/* Drag & drop sortable */
.sortable-ghost{opacity:0.4;background:var(--accent-light)}
.sortable-handle{cursor:grab;padding:4px 8px;color:var(--text3);user-select:none}
.sortable-handle:active{cursor:grabbing}

/* File compression status */
.compress-badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:10px;background:var(--accent);color:#fff;margin-left:6px}

/* Screen-reader only utility */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ── Footer（共享：app/admin/marketing 页 5 列经典；landing 用 landing-deferred.css 同步维护，改这里记得同步） ── */
.l-footer { padding: 56px 0 0; background: #fafafa; color: var(--c-text-2); }
.l-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid var(--c-border-1); }
.l-footer-brand { display: flex; flex-direction: column; gap: 14px; }
.l-footer-brand p { font-size: 14px; line-height: 1.6; color: var(--c-text-3); margin: 0; max-width: 320px; }
.l-footer .l-logo { color: var(--c-text-1); }
.l-socials { display: flex; gap: 10px; margin: 0; }
.l-socials a { display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 6px; background: var(--c-bg-1); border: 1px solid var(--c-border-1); color: var(--c-text-3); text-decoration: none; font-size: 13px; font-weight: 600; transition: all .15s; }
.l-socials a:hover { background: var(--c-accent-soft); border-color: var(--c-accent); color: var(--c-accent-strong); }
.l-footer-col h4 { font-size: 13px; font-weight: 700; color: var(--c-text-1); margin-bottom: 14px; text-transform: uppercase; letter-spacing: .5px; }
.l-footer-col a { display: block; font-size: 13px; color: var(--c-text-3); text-decoration: none; padding: 6px 0; transition: color .15s; }
.l-footer-col a:hover { color: var(--c-accent-strong); }
.l-footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 24px 0; font-size: 12px; color: #4b5563; }
.l-footer-bottom a { color: #4b5563; text-decoration: none; transition: color .15s; }
.l-footer-bottom a:hover { color: #854d0e; }
.l-footer-certs { display: flex; gap: 12px; }
.l-footer-certs span { color: #4b5563; }
@media (max-width: 1024px) {
  .l-footer-grid { grid-template-columns: repeat(2, 1fr); }
  .l-footer-brand { grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 24px; }
  .l-footer-brand p { margin: 0; flex: 1; max-width: none; }
}
@media (max-width: 768px) {
  .l-footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .l-footer-brand { flex-direction: column; align-items: flex-start; gap: 16px; }
  .l-footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}