/* =========================================
   app.css — Enterprise v2
   AI建站平台 · 企业级官网样式
   ========================================= */

/* ── 变量 ── */
:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-light: #eff6ff;
  --green: #059669;
  --orange: #d97706;
  --purple: #7c3aed;
  --red: #dc2626;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.1);
}

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;color:var(--gray-800);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}

/* ── Container ── */
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}

/* ── Section shared ── */
section{padding:80px 0}
.sec-alt{background:var(--gray-50)}

.section-tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--blue);background:var(--blue-light);padding:4px 14px;border-radius:20px;margin-bottom:16px;letter-spacing:.3px}
.section-title{font-size:32px;font-weight:800;line-height:1.25;margin-bottom:12px;color:var(--gray-900)}
.section-desc{font-size:17px;color:var(--gray-500);max-width:540px;line-height:1.7}
.section-hdr{text-align:center;margin-bottom:56px}
.section-hdr .section-desc{margin:0 auto}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:8px;font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:all .2s;white-space:nowrap}
.btn-primary{background:var(--blue);color:var(--white);border-color:var(--blue)}
.btn-primary:hover{background:var(--blue-dark);border-color:var(--blue-dark)}
.btn-outline{background:transparent;border-color:var(--gray-300);color:var(--gray-700)}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}
.btn-lg{padding:14px 36px;font-size:16px;border-radius:10px}
.btn-sm{padding:8px 18px;font-size:13px}
.btn-block{display:flex;width:100%;justify-content:center}

/* ── Nav ── */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--gray-100)}
.nav-inner{max-width:1140px;margin:0 auto;padding:0 24px;display:flex;align-items:center;height:68px;gap:32px}
.nav-brand{font-size:18px;font-weight:800;color:var(--gray-900);display:flex;align-items:center;gap:6px}
.nav-brand em{font-style:normal;color:var(--blue)}
.nav-links{display:flex;gap:6px;flex:1}
.nav-links a{padding:8px 14px;font-size:14px;font-weight:500;color:var(--gray-500);border-radius:6px;transition:all .15s}
.nav-links a:hover,.nav-links a.active{color:var(--gray-900);background:var(--gray-100)}
.nav-actions{display:flex;gap:10px;margin-left:auto;align-items:center}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--gray-600);cursor:pointer;padding:4px}

/* ── Hero ── */
.hero{position:relative;padding:100px 0 80px;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--blue-light) 0%,#fff 50%,#faf5ff 100%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.hero h1{font-size:44px;font-weight:800;line-height:1.15;color:var(--gray-900);margin-bottom:20px}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,var(--blue),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:18px;color:var(--gray-500);line-height:1.7;margin-bottom:32px;max-width:500px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:48px;padding-top:32px;border-top:1px solid var(--gray-200)}
.hero-stats dt{font-size:24px;font-weight:800;color:var(--gray-900)}
.hero-stats dd{font-size:13px;color:var(--gray-500);margin-top:2px}

/* Hero visual */
.hero-visual{position:relative}
.hero-img{width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);aspect-ratio:4/3;object-fit:cover}
.hero-badge{position:absolute;top:-12px;right:-12px;background:var(--white);border:1px solid var(--gray-200);border-radius:12px;padding:12px 20px;box-shadow:var(--shadow);display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600}
.hero-badge em{font-style:normal;color:var(--blue)}
.hero-badge-sm{position:absolute;bottom:-16px;left:-16px;background:var(--blue);color:var(--white);border-radius:12px;padding:14px 22px;box-shadow:var(--shadow-lg);font-size:14px;font-weight:600;display:flex;align-items:center;gap:6px}

/* ── Features (4-core) ── */
.features4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feat4{text-align:center;padding:40px 24px;background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);transition:all .25s}
.feat4:hover{box-shadow:var(--shadow);border-color:var(--gray-200);transform:translateY(-3px)}
.feat4-icon{width:56px;height:56px;margin:0 auto 20px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px}
.feat4-icon.blue{background:var(--blue-light);color:var(--blue)}
.feat4-icon.green{background:#ecfdf5;color:var(--green)}
.feat4-icon.orange{background:#fffbeb;color:var(--orange)}
.feat4-icon.purple{background:#f5f3ff;color:var(--purple)}
.feat4 h4{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--gray-900)}
.feat4 p{font-size:14px;color:var(--gray-500);line-height:1.6}

/* ── Feature grid (6 cols) ── */
.ft-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ft-card{background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);padding:28px;transition:all .25s}
.ft-card:hover{box-shadow:var(--shadow);border-color:var(--gray-200)}
.ft-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:16px}
.ft-icon.blue{background:var(--blue-light);color:var(--blue)}
.ft-icon.green{background:#ecfdf5;color:var(--green)}
.ft-icon.orange{background:#fffbeb;color:var(--orange)}
.ft-icon.purple{background:#f5f3ff;color:var(--purple)}
.ft-icon.cyan{background:#ecfeff;color:#0891b2}
.ft-icon.red{background:#fef2f2;color:var(--red)}
.ft-card h4{font-size:16px;font-weight:700;margin-bottom:6px;color:var(--gray-900)}
.ft-card p{font-size:14px;color:var(--gray-500);line-height:1.6}

/* ── Security icons (8 items) ── */
.sec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sec-item{text-align:center;padding:32px 16px;background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);transition:all .2s}
.sec-item:hover{box-shadow:var(--shadow-sm)}
.sec-item .icon-w{font-size:28px;margin-bottom:12px;color:var(--blue)}
.sec-item h4{font-size:14px;font-weight:600;color:var(--gray-700)}

/* ── Steps ── */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;position:relative}
.steps::before{content:'';position:absolute;top:48px;left:calc(16.66% + 16px);right:calc(16.66% + 16px);height:2px;background:linear-gradient(90deg,var(--blue),var(--gray-200));z-index:0}
.step{text-align:center;position:relative;z-index:1}
.step-num{width:56px;height:56px;border-radius:50%;background:var(--blue);color:var(--white);font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 4px 12px rgba(37,99,235,.25)}
.step h4{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--gray-900)}
.step p{font-size:14px;color:var(--gray-500);line-height:1.6;max-width:280px;margin:0 auto}

/* ── Scenarios (template cards) ── */
.tpl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tpl-card{display:flex;align-items:center;gap:16px;padding:20px;background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);transition:all .25s}
.tpl-card:hover{box-shadow:var(--shadow);border-color:var(--gray-200)}
.tpl-preview{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.tpl-preview.a{background:var(--blue-light);color:var(--blue)}
.tpl-preview.b{background:#ecfdf5;color:var(--green)}
.tpl-preview.c{background:#fffbeb;color:var(--orange)}
.tpl-preview.d{background:#f5f3ff;color:var(--purple)}
.tpl-preview.e{background:#fef2f2;color:var(--red)}
.tpl-preview.f{background:#ecfeff;color:#0891b2}
.tpl-info h4{font-size:15px;font-weight:700;margin-bottom:2px;color:var(--gray-900)}
.tpl-info p{font-size:13px;color:var(--gray-400)}

/* ── Stats bar ── */
.stats{background:linear-gradient(135deg,var(--blue),var(--blue-dark));padding:60px 0;color:var(--white)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stats-grid .num{font-size:36px;font-weight:800;line-height:1.1}
.stats-grid .label{font-size:14px;opacity:.75;margin-top:4px}

/* ── CTA ── */
.cta{text-align:center;padding:80px 0;background:linear-gradient(135deg,#f9fafb,#eff6ff)}
.cta h2{font-size:32px;font-weight:800;margin-bottom:12px;color:var(--gray-900)}
.cta p{font-size:16px;color:var(--gray-500);margin-bottom:32px;max-width:480px;margin-left:auto;margin-right:auto}
.cta .btn{font-size:16px;padding:14px 40px}

/* ── Page hero (inner pages) ── */
.page-hero{background:linear-gradient(135deg,var(--blue-light),#fff);text-align:center;padding:64px 0}
.page-hero h1{font-size:36px;font-weight:800;margin-bottom:8px}
.page-hero p{font-size:16px;color:var(--gray-500);max-width:500px;margin:0 auto}

/* ── Pricing ── */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.price-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:36px 28px;position:relative;transition:all .25s}
.price-card:hover{box-shadow:var(--shadow-lg)}
.price-card.popular{border-color:var(--blue);box-shadow:0 4px 24px rgba(37,99,235,.12)}
.price-card .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--blue);color:#fff;font-size:12px;font-weight:700;padding:4px 16px;border-radius:20px}
.price-card h4{font-size:20px;font-weight:700;margin-bottom:8px}
.price{font-size:42px;font-weight:800;color:var(--gray-900)}
.price sub{font-size:16px;font-weight:500;color:var(--gray-400)}
.price-card .period{font-size:13px;color:var(--gray-400);margin-bottom:24px}
.price-features{list-style:none;margin-bottom:28px}
.price-features li{padding:8px 0;font-size:14px;color:var(--gray-600);border-bottom:1px solid var(--gray-100)}
.price-features li::before{content:'✓';color:var(--green);margin-right:8px;font-weight:700}

/* ── FAQ ── */
.faq-list{max-width:720px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--gray-100)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;padding:18px 0;border:none;background:none;font-size:16px;font-weight:600;color:var(--gray-800);cursor:pointer;text-align:left}
.faq-q .arrow{transition:transform .2s}
.faq-q.open .arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s,opacity .3s,padding .3s;opacity:0}
.faq-a.open{max-height:300px;padding:0 0 18px;opacity:1}
.faq-a p{font-size:14px;color:var(--gray-500);line-height:1.7}

/* ── Footer ── */
.site-footer{background:var(--gray-900);color:var(--gray-300);padding:60px 0 0}
.footer-inner{max-width:1140px;margin:0 auto;padding:0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--white);margin-bottom:18px;display:flex;align-items:center;gap:6px}
.footer-col p{font-size:13px;line-height:1.6;color:var(--gray-400)}
.footer-col a{display:block;font-size:13px;color:var(--gray-400);padding:4px 0;transition:color .15s}
.footer-col a:hover{color:var(--white)}
.footer-bottom{border-top:1px solid var(--gray-700);padding:20px 0;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--gray-500);flex-wrap:wrap}
.footer-bottom a{color:var(--gray-400)}
.footer-bottom a:hover{color:var(--white)}
.footer-custom{width:100%;font-size:13px;color:var(--gray-400);margin-bottom:6px;line-height:1.6}

/* ── Mobile ── */
@media(max-width:768px){
  section{padding:56px 0}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--gray-100);padding:12px;flex-direction:column;gap:0;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px}
  .nav-toggle{display:block}
  .hero{padding:64px 0 48px}
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:30px}
  .hero p{font-size:16px}
  .hero-stats{gap:24px;flex-wrap:wrap}
  .hero-stats dt{font-size:20px}
  .features4,.ft-grid,.sec-grid,.tpl-grid,.price-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr;gap:24px}
  .steps::before{display:none}
  .section-title{font-size:26px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .stats-grid .num{font-size:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero-badge{position:relative;top:0;right:0;margin-top:12px;display:inline-flex}
  .hero-badge-sm{position:relative;bottom:0;left:0;margin-top:12px;display:inline-flex}
}
@media(max-width:480px){
  .features4,.ft-grid,.sec-grid,.tpl-grid,.price-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr}
}

/* ═══════════════════════════════════════
   Admin / Dashboard 样式
   与上方企业级首页样式共存
   ═══════════════════════════════════════ */

:root {
  --c-primary: #2563eb;
  --c-primary-light: #eff6ff;
  --c-primary-dark: #1d4ed8;
  --c-success: #059669;
  --c-warning: #d97706;
  --c-danger: #dc2626;
  --c-border: #e5e7eb;
  --c-bg: #f3f4f6;
  --c-bg-card: #fff;
  --c-text: #1f2937;
  --c-text-muted: #6b7280;
}

/* ── App nav ── */
.app-nav{display:flex;align-items:center;padding:0 24px;height:56px;background:var(--c-bg-card);border-bottom:1px solid var(--c-border);gap:24px;position:sticky;top:0;z-index:100}
.app-nav .brand{font-weight:800;color:var(--c-text);font-size:16px;white-space:nowrap}
.app-nav .brand em{font-style:normal;color:var(--c-primary)}
.app-nav .links{display:flex;gap:4px;flex:1}
.app-nav .links a{padding:8px 14px;font-size:13px;font-weight:500;color:var(--c-text-muted);border-radius:6px;transition:all .15s;text-decoration:none}
.app-nav .links a:hover,.app-nav .links a.active{color:var(--c-text);background:var(--c-bg)}
.app-nav .links a:last-child{margin-left:auto}

.main{max-width:960px;margin:0 auto;padding:24px}

/* ── Stat row ── */
.stat-row{display:grid;gap:12px}
.stat-row.col2{grid-template-columns:1fr 1fr}
.stat-row.col3{grid-template-columns:1fr 1fr 1fr}
.stat-row.col4{grid-template-columns:repeat(4,1fr)}
.stat-card{padding:20px;background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:10px}
.stat-card .num{font-size:26px;font-weight:800;color:var(--c-text)}
.stat-card .label{font-size:13px;color:var(--c-text-muted);margin-top:2px}
.stat-card.c-total .num{color:var(--c-primary)}
.stat-card.c-pending .num{color:var(--c-warning)}
.stat-card.c-processing .num{color:var(--c-primary)}
.stat-card.c-completed .num{color:var(--c-success)}
.stat-card.c-failed .num{color:var(--c-danger)}

/* ── Card ── */
.card{background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:10px;margin-bottom:16px}
.card-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--c-border)}
.card-header h3{font-size:15px;font-weight:700;color:var(--c-text);display:flex;align-items:center;gap:6px}
.card-body{padding:20px}
.card-footer{padding:12px 20px;border-top:1px solid var(--c-border);font-size:13px;color:var(--c-text-muted)}

/* ── Form ── */
.form-group{margin-bottom:12px}
.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:4px;color:var(--c-text)}
.form-control{width:100%;padding:9px 12px;border:1.5px solid var(--c-border);border-radius:8px;font-size:14px;font-family:inherit;background:var(--c-bg-card);color:var(--c-text);transition:border-color .15s}
.form-control:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
textarea.form-control{resize:vertical;min-height:80px}

/* ── Alert ── */
.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px;display:flex;align-items:center;gap:8px}
.alert-success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.alert-danger{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert-warning{background:#fffbeb;color:#92400e;border:1px solid #fde68a}
.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}

/* ── Table ── */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
thead th{padding:10px 12px;text-align:left;font-size:12px;font-weight:700;color:var(--c-text-muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--c-border)}
tbody td{padding:10px 12px;border-bottom:1px solid var(--c-border);color:var(--c-text)}
tbody tr:hover{background:var(--c-bg)}
.ellipsis{max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ── Status badge ── */
.badge{display:inline-block;padding:2px 10px;border-radius:12px;font-size:12px;font-weight:600}
.badge-pending{background:#fffbeb;color:#92400e}
.badge-processing{background:#eff6ff;color:#1e40af}
.badge-completed,.badge-running{background:#ecfdf5;color:#065f46}
.badge-failed{background:#fef2f2;color:#991b1b}
.badge-building{background:#f5f3ff;color:#5b21b6}
.statusBadge,.status-badge{display:inline-block;padding:2px 10px;border-radius:12px;font-size:12px;font-weight:600}
.status-pending{background:#fffbeb;color:#92400e}
.status-processing{background:#eff6ff;color:#1e40af}
.status-completed,.status-running{background:#ecfdf5;color:#065f46}
.status-failed,.status-building{background:#fef2f2;color:#991b1b}

/* ── Empty state ── */
.empty-state{padding:40px 20px;text-align:center}
.empty-state .icon{font-size:36px;margin-bottom:12px;color:var(--c-text-muted)}
.empty-state p{font-size:14px;color:var(--c-text-muted);margin:0}
.empty-state a{color:var(--c-primary);font-weight:600}

/* ── Responsive admin ── */
@media(max-width:768px){
  .stat-row.col4,.stat-row.col3{grid-template-columns:1fr 1fr}
  .app-nav{padding:0 12px;gap:12px}
  .app-nav .links a{padding:6px 10px;font-size:12px}
  .main{padding:16px}
}

/* ═══════════════════════════════════════
   补丁样式 — 老版本兼容
   旧页面（features/solutions/about/etc）和 admin 页面
   ═══════════════════════════════════════ */

/* ── 旧版页面布局（features/solutions/about/cases） ── */
.sec{padding:80px 0}
.sec-inner{max-width:1140px;margin:0 auto;padding:0 24px}
.sec-bg{background:var(--gray-50)}
.sec-label{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--blue);background:var(--blue-light);padding:4px 14px;border-radius:20px;margin-bottom:16px;letter-spacing:.3px}
.sec-title{font-size:32px;font-weight:800;line-height:1.25;margin-bottom:12px;color:var(--gray-900)}
.sec-desc{font-size:17px;color:var(--gray-500);max-width:540px;line-height:1.7}

/* ── 旧版 page-hero ── */
.page-hero{background:linear-gradient(135deg,var(--blue-light),#fff);text-align:center;padding:80px 24px}
.page-hero h1{font-size:36px;font-weight:800;margin-bottom:8px;color:var(--gray-900)}
.page-hero p{font-size:16px;color:var(--gray-500);max-width:500px;margin:0 auto}

/* ── 旧版 ft-grid / ft-card（features页面） ── */
.ft-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.ft-card{background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);padding:28px;transition:all .25s}
.ft-card:hover{box-shadow:var(--shadow);border-color:var(--gray-200)}
.ft-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:16px}
.ft-icon.blue{background:var(--blue-light);color:var(--blue)}
.ft-icon.green{background:#ecfdf5;color:var(--green)}
.ft-icon.orange{background:#fffbeb;color:var(--orange)}
.ft-icon.purple{background:#f5f3ff;color:var(--purple)}
.ft-icon.cyan{background:#ecfeff;color:#0891b2}
.ft-icon.red{background:#fef2f2;color:var(--red)}
.ft-card h4{font-size:16px;font-weight:700;margin-bottom:6px;color:var(--gray-900)}
.ft-card p{font-size:14px;color:var(--gray-500);line-height:1.6}

/* ── 旧版 steps / step ── */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:40px}
.step{text-align:center}
.step-num{width:56px;height:56px;border-radius:50%;background:var(--blue);color:var(--white);font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 4px 12px rgba(37,99,235,.25)}
.step h4{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--gray-900)}
.step p{font-size:14px;color:var(--gray-500);line-height:1.6;max-width:280px;margin:0 auto}

/* ── 旧版 tpl-grid / tpl-card ── */
.tpl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.tpl-card{display:flex;align-items:center;gap:16px;padding:20px;background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);transition:all .25s}
.tpl-card:hover{box-shadow:var(--shadow);border-color:var(--gray-200)}
.tpl-preview{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.tpl-preview.a{background:var(--blue-light);color:var(--blue)}
.tpl-preview.b{background:#ecfdf5;color:var(--green)}
.tpl-preview.c{background:#fffbeb;color:var(--orange)}
.tpl-preview.d{background:#f5f3ff;color:var(--purple)}
.tpl-preview.e{background:#fef2f2;color:var(--red)}
.tpl-preview.f{background:#ecfeff;color:#0891b2}
.tpl-info h4{font-size:15px;font-weight:700;margin-bottom:2px;color:var(--gray-900)}
.tpl-info p{font-size:13px;color:var(--gray-400)}

/* ── 旧版 stats-bar（首页） ── */
.stats-bar{background:linear-gradient(135deg,var(--blue),var(--blue-dark));padding:60px 0;color:var(--white)}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center;max-width:1140px;margin:0 auto;padding:0 24px}
.stats-row .num{font-size:36px;font-weight:800;line-height:1.1}
.stats-row .label{font-size:14px;opacity:.75;margin-top:4px}

/* ── 旧版 cta ── */
.cta{text-align:center;padding:80px 0;background:linear-gradient(135deg,#f9fafb,#eff6ff)}
.cta h2{font-size:32px;font-weight:800;margin-bottom:12px;color:var(--gray-900)}
.cta p{font-size:16px;color:var(--gray-500);margin-bottom:32px;max-width:480px;margin-left:auto;margin-right:auto}

/* ── 旧版 hero-section / hero-wrap（首页旧版） ── */
.hero-section{padding:100px 0 80px;background:linear-gradient(135deg,var(--blue-light) 0%,#fff 50%,#faf5ff 100%)}
.hero-wrap{max-width:1140px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.hero-text .hero-badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--blue);background:rgba(37,99,235,.08);padding:4px 14px;border-radius:20px;margin-bottom:16px}
.hero-text h1{font-size:44px;font-weight:800;line-height:1.15;margin-bottom:20px;color:var(--gray-900)}
.hero-text h1 em{font-style:normal;background:linear-gradient(135deg,var(--blue),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-text p{font-size:18px;color:var(--gray-500);line-height:1.7;margin-bottom:32px;max-width:500px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ── Admin 补丁 ── */
.page-title{margin-bottom:20px}
.page-title h2{font-size:20px;font-weight:700;display:flex;align-items:center;gap:6px;color:var(--gray-800)}
.col5{grid-template-columns:repeat(5,1fr)}

.admin-layout{display:grid;grid-template-columns:240px 1fr;gap:24px}
.admin-card{background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:10px;padding:20px;margin-bottom:12px}

.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.detail-item{padding:12px;background:var(--c-bg);border-radius:8px}
.detail-item label{display:block;font-size:12px;color:var(--c-text-muted);margin-bottom:2px}
.detail-item span{font-size:14px;font-weight:600}

.quick-actions{display:flex;gap:8px;flex-wrap:wrap}
.quick-action{padding:8px 16px;border:1px solid var(--c-border);border-radius:8px;font-size:13px;cursor:pointer;background:var(--c-bg-card);color:var(--c-text);transition:all .15s}
.quick-action:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* ── 旧表格行颜色 ── */
.tr-pending{background:#fffbeb}
.tr-processing{background:#eff6ff}
.tr-completed{background:#ecfdf5}

/* ── 移动端兼容 ── */
@media(max-width:768px){
  .hero-wrap{grid-template-columns:1fr;gap:40px}
  .hero-text h1{font-size:30px}
  .hero-text p{font-size:16px}
  .sec,.sec-alt{padding:56px 0}
  .sec-title{font-size:26px}
  .ft-grid,.tpl-grid,.steps{grid-template-columns:1fr}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .admin-layout{grid-template-columns:1fr}
  .col5{grid-template-columns:repeat(2,1fr)}
  .detail-grid{grid-template-columns:1fr}
}

/* ═══════════════════════════════════════
   额外兼容补丁
   ═══════════════════════════════════════ */

/* solutions.php */
.solution-card{background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);padding:24px;transition:all .25s}
.solution-card:hover{box-shadow:var(--shadow);border-color:var(--gray-200)}
.solution-card h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--gray-800)}
.solution-card p{font-size:14px;color:var(--gray-500);line-height:1.7}
.pain{font-size:13px;color:var(--orange);margin-bottom:4px;font-weight:500}
.fix{font-size:13px;color:var(--green);margin-bottom:12px;font-weight:500}

/* about.php */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px}
.value-card{text-align:center;padding:32px 20px;background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius)}
.value-card .icon{font-size:36px;margin-bottom:12px}
.value-card h4{font-size:17px;font-weight:700;margin-bottom:6px;color:var(--gray-900)}
.value-card p{font-size:14px;color:var(--gray-500);line-height:1.6}

/* cases.php */
.case-card{background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);overflow:hidden;transition:all .25s}
.case-card:hover{box-shadow:var(--shadow);border-color:var(--gray-200)}
.case-img{height:100px;display:flex;align-items:center;justify-content:center;font-size:32px}
.case-img.x1{background:linear-gradient(135deg,var(--blue-light),#fff);color:var(--blue)}
.case-img.x2{background:linear-gradient(135deg,#ecfdf5,#fff);color:var(--green)}
.case-img.x3{background:linear-gradient(135deg,#fffbeb,#fff);color:var(--orange)}
.case-img.x4{background:linear-gradient(135deg,#f5f3ff,#fff);color:var(--purple)}
.case-img.x5{background:linear-gradient(135deg,#fef2f2,#fff);color:var(--red)}
.case-img.x6{background:linear-gradient(135deg,#ecfeff,#fff);color:#0891b2}
.case-body{padding:20px}
.case-body .tag{display:inline-block;font-size:11px;font-weight:600;color:var(--blue);background:var(--blue-light);padding:2px 10px;border-radius:10px;margin-bottom:8px;letter-spacing:.3px}
.case-body h4{font-size:15px;font-weight:700;margin-bottom:6px;color:var(--gray-900)}
.case-body p{font-size:13px;color:var(--gray-500);line-height:1.6;font-style:italic}

/* contact.php */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.contact-info-card{background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);padding:32px}
.contact-info-card h3{font-size:18px;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:8px;color:var(--gray-900)}
.contact-item{display:flex;gap:12px;margin-bottom:16px;font-size:14px}
.contact-item .icon{width:36px;height:36px;border-radius:8px;background:var(--blue-light);display:flex;align-items:center;justify-content:center;color:var(--blue);flex-shrink:0}
.contact-item .ct{line-height:1.5}
.contact-item .ct strong{display:block;font-size:12px;color:var(--gray-400);font-weight:600;margin-bottom:2px}
.contact-info-card a{color:var(--blue)}

/* site_detail.php / sites.php / profile.php 通用 */
.full{width:100%}
.value{font-weight:600;color:var(--gray-700)}
.detail-desc{font-size:14px;color:var(--gray-500);line-height:1.7}

/* sites.php */
.filter-bar{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.filter-bar a{padding:6px 14px;border:1px solid var(--c-border);border-radius:20px;font-size:13px;color:var(--c-text);transition:all .15s}
.filter-bar a:hover,.filter-bar a.active{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}

/* ═══ 导航退出按钮 ═══ */
.nav-exit{color:var(--c-danger) !important}
.nav-exit:hover{background:#fef2f2 !important}

/* ═══ 登录/注册页 ═══ */
.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:40px 20px;background:linear-gradient(135deg,#eff6ff,#f0fdf4)}
.auth-card{width:100%;max-width:400px;background:#fff;border-radius:16px;padding:40px 32px;box-shadow:0 4px 24px rgba(0,0,0,.08)}
.auth-card h2{font-size:22px;font-weight:800;text-align:center;margin-bottom:4px;display:flex;align-items:center;justify-content:center;gap:8px}
.auth-card .sub{text-align:center;font-size:14px;color:#64748b;margin-bottom:24px}
.auth-card .form-group{margin-bottom:16px}
.auth-card .form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:4px;color:#475569;margin-left:2px}
.auth-card .form-control{width:100%;padding:10px 14px;border:1.5px solid #e2e8f0;border-radius:8px;font-size:14px;transition:border-color .15s}
.auth-card .form-control:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.auth-card .btn-block{width:100%;display:flex;align-items:center;justify-content:center;gap:6px;padding:12px;font-size:15px;font-weight:700;border-radius:8px;cursor:pointer;border:none;transition:all .15s}
.auth-card .btn-primary.btn-block{background:#2563eb;color:#fff}
.auth-card .btn-primary.btn-block:hover{background:#1d4ed8}
.auth-card .btn-lg{padding:12px 20px;font-size:15px}
.auth-card .alert-error{padding:10px 14px;border-radius:8px;margin-bottom:16px;font-size:13px;background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.auth-card .alt{text-align:center;margin-top:16px;font-size:13px;color:#64748b}
.auth-card .alt a{color:#2563eb;font-weight:600}