/* 官网首页（对照 docs/design/landing）。平台页面，主色为平台蓝；示意图全部用 HTML/CSS 画并标注“示例”。 */
.landing{background:var(--surface-2);color:var(--ink)}
.landing .wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.landing a:not(.btn){color:var(--brand)}
.landing h1,.landing h2,.landing h3{margin:0;letter-spacing:.5px}
.landing-announce{padding:10px 16px;background:var(--brand-dark);color:#fff;font-size:14px;text-align:center}
.landing-announce a{display:inline-block;padding:10px 0;margin:-10px 0;color:#fff;font-weight:700}

/* 顶部导航 */
.landing-header{background:rgba(255,255,255,.92);border-bottom:1px solid var(--line)}
.landing-header-inner{display:flex;align-items:center;gap:24px;min-height:68px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.landing-logo{display:flex;align-items:center;gap:10px;min-height:44px;color:var(--ink);text-decoration:none}
.landing-logo:hover{color:var(--ink)}
.landing-logo-mark{display:flex;width:34px;height:34px;flex:none}
.landing-logo-mark img{width:34px;height:34px;display:block}
.landing-logo-name{display:block;font-size:18px;font-weight:900;line-height:1.3}
.landing-logo-sub{display:block;font-size:12px;color:var(--muted);line-height:1.3}
.landing-nav{display:flex;flex:1;justify-content:center;flex-wrap:wrap;gap:4px 24px;font-size:15px}
.landing-nav a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink-2);text-decoration:none}
.landing-nav a:hover{color:var(--brand)}
.landing-header-actions{display:flex;gap:8px}
.landing-login{color:var(--ink)}

/* 首屏 */
.landing-hero{padding:72px 0 56px;background:radial-gradient(900px 480px at 85% 10%,#DCE7FF 0%,rgba(220,231,255,0) 70%),radial-gradient(700px 420px at 10% 90%,#DDF5F1 0%,rgba(221,245,241,0) 70%),var(--surface-2)}
.landing-hero-inner{display:flex;flex-wrap:wrap;align-items:center;gap:48px}
.landing-hero-copy{flex:1 1 440px;min-width:0}
.landing-badge{display:inline-flex;align-items:center;gap:8px;min-height:32px;margin:0;padding:0 14px;border:1px solid #D6E0F7;border-radius:16px;background:var(--surface);color:var(--brand-dark);font-size:13px;font-weight:500}
.landing-badge-dot{width:8px;height:8px;border-radius:50%;background:var(--teal)}
.landing h1{margin-top:20px;font-size:52px;line-height:1.2;font-weight:900}
.landing h1 span{color:var(--brand)}
.landing-lead{max-width:520px;margin:20px 0 0;color:var(--muted);font-size:18px;line-height:1.8}
.landing-lead.small{font-size:16px}
.landing-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.landing-cta .btn{min-height:52px;padding:0 28px;font-size:16px}
.landing-cta-main{font-weight:700}
.landing-cta-alt{border-color:var(--line-strong)}
.landing-note{margin:14px 0 0;color:var(--muted);font-size:13px}

/* 产品示意图 */
.landing-mock{position:relative;flex:1 1 520px;min-width:0;min-height:440px;margin:0}
.mock-sample{display:inline-flex;align-items:center;min-height:20px;padding:0 8px;border-radius:10px;background:var(--suggest-soft);color:var(--suggest);font-size:12px;font-weight:700;line-height:1}
.mock-window{position:absolute;top:10px;left:0;right:40px;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:0 1px 2px rgba(15,26,46,.04),0 8px 24px rgba(15,26,46,.05)}
.mock-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line-soft)}
.mock-dot{width:10px;height:10px;border-radius:50%}
.mock-dot.red{background:#F26B5B}.mock-dot.yellow{background:#F5BE4F}.mock-dot.green{background:#4CC26F}
.mock-title{flex:1;margin-left:12px;font-size:12px;color:var(--muted)}
.mock-body{display:flex;min-height:330px}
.mock-side{display:flex;flex-direction:column;gap:6px;width:120px;padding:14px 10px;background:var(--bg);font-size:12px}
.mock-nav{padding:8px 10px;border-radius:8px;color:var(--ink-2)}
.mock-nav.active{background:var(--surface);color:var(--brand-dark);font-weight:700}
.mock-main{flex:1;display:flex;flex-direction:column;gap:12px;padding:16px;min-width:0}
.mock-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.mock-stats div{padding:10px;border-radius:10px;background:var(--bg)}
.mock-stats span{display:block;font-size:12px;color:var(--muted)}
.mock-stats b{font-size:22px;font-weight:900}
.mock-stats b.warn{color:#B33E00}
.mock-rows{display:flex;flex-direction:column;gap:8px;font-size:12px}
.mock-rows div{display:flex;justify-content:space-between;gap:8px;padding:10px 12px;border:1px solid var(--line-soft);border-radius:10px}
.mock-rows em{font-style:normal;color:var(--muted);white-space:nowrap}
.mock-rows em.teal{color:var(--teal-dark)}
.mock-rows em.blue{color:var(--brand-dark)}
.mock-phone{position:absolute;top:150px;right:0;width:230px;padding:14px;background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:0 8px 24px rgba(15,26,46,.08)}
.mock-caption{display:flex;align-items:center;justify-content:space-between;margin:0 0 8px;font-size:12px;color:var(--muted)}
.mock-me{width:fit-content;margin:0 0 0 auto;padding:8px 12px;border-radius:14px 4px 14px 14px;background:var(--brand);color:#fff;font-size:13px}
.mock-ai{margin:8px 0 0;padding:8px 12px;border-radius:4px 14px 14px 14px;background:var(--bg);font-size:13px}
.mock-times{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-top:8px}
.mock-times span{padding:6px 0;border-radius:8px;background:var(--brand-soft);color:var(--brand-dark);font-size:12px;text-align:center}
.mock-times span.on{background:var(--brand);color:#fff}
.mock-ticket{display:flex;flex-direction:column;gap:2px;margin-top:10px;padding:10px;border:1px solid #D6E0F7;border-radius:12px;font-size:12px;line-height:1.6}
.mock-confirm{margin-top:6px;padding:6px 0;border-radius:8px;background:var(--ink);color:#fff;text-align:center}
.mock-float{position:absolute;left:-10px;bottom:6px;display:flex;align-items:center;gap:8px;margin:0;padding:10px 14px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 24px rgba(15,26,46,.08);font-size:13px}
.mock-float span{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--teal-soft);color:var(--teal-dark)}
.mock-float svg{width:13px;height:13px}

.landing-industries{margin-top:56px}
.landing-industries p{margin:0 0 14px;color:var(--muted);font-size:14px}
.landing-industries ul{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;list-style:none}
.landing-industries .chip{cursor:default;font-size:14px}

/* 通用分区 */
.landing-section{padding:88px 0}
.landing-section-white{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.landing-section h2{font-size:36px;line-height:1.3;font-weight:900;text-align:center}
.landing-sub{margin:14px 0 40px;color:var(--muted);font-size:16px;text-align:center}
.landing-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:0 1px 2px rgba(15,26,46,.04),0 8px 24px rgba(15,26,46,.05)}
.landing-muted{margin:0;color:var(--muted)}

/* 对比表 */
.landing-table-wrap{overflow-x:auto}
.landing-table{width:100%;min-width:640px;border-collapse:collapse;font-size:15px;white-space:normal}
.landing-table th,.landing-table td{padding:18px 24px;text-align:left;vertical-align:top;border:0}
.landing-table thead th{background:var(--bg);color:var(--muted);font-size:15px;font-weight:500}
.landing-table thead th:first-child{width:26%}
.landing-table thead th.ours{color:var(--brand-dark);font-weight:700}
.landing-table tbody tr{border-top:1px solid var(--line-soft)}
.landing-table tbody th{font-weight:500;background:transparent;color:var(--ink);font-size:15px}
.landing-table tbody td:nth-child(2){color:var(--muted)}

/* 功能卡片 */
.landing-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.landing-feature{padding:28px}
.landing-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;flex:none;border-radius:12px;background:var(--brand-soft);color:var(--brand)}
.landing-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.landing-icon.teal{width:36px;height:36px;background:var(--teal-soft);color:var(--teal-dark);font-weight:900}
.landing-feature h3{margin:18px 0 8px;font-size:19px}
.landing-feature p{margin:0;color:var(--muted);font-size:15px;line-height:1.8}

/* 经营诊断 */
.landing-split{display:flex;flex-wrap:wrap;align-items:center;gap:48px}
.landing-split-copy{flex:1 1 400px;min-width:0}
.landing-split-copy h2{margin-top:10px;text-align:left}
.landing-kicker{margin:0;color:var(--teal-dark);font-size:14px;font-weight:700}
.landing-checks{display:flex;flex-direction:column;gap:12px;margin:24px 0 0;padding:0;list-style:none;font-size:15px}
.landing-checks li{position:relative;padding-left:26px}
.landing-checks li::before{content:"";position:absolute;left:2px;top:.35em;width:14px;height:14px;background:var(--teal-dark);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/contain no-repeat}
.landing-diagnosis{flex:1 1 460px;min-width:0;padding:24px}
.landing-diagnosis-head{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line-soft)}
.landing-diagnosis-head>div{flex:1}
.landing-diagnosis-title{margin:0;font-weight:700}
.landing-diagnosis-head .landing-muted{font-size:12px}
.landing-diagnosis-text{margin:16px 0 0;font-size:16px;line-height:1.8}
.landing-diagnosis-text mark{padding:0 4px;border-radius:4px;background:#FFF1D6;color:var(--ink)}
.landing-plan{margin-top:18px;padding:16px;border-radius:14px;background:var(--bg);font-size:14px;line-height:1.9}
.landing-plan ol{margin:4px 0 0;padding:0;list-style:none}
.landing-sample-note{margin-top:12px;font-size:12px}

/* 价格 */
.landing-prices{display:flex;flex-wrap:wrap;justify-content:center;gap:20px}
.landing-price{flex:0 1 360px;padding:32px}
.landing-price h3{font-size:18px}
.landing-price-value{margin:12px 0 16px}
.landing-price-value b{font-size:44px;font-weight:900;line-height:1.2}
.landing-price .landing-muted{font-size:15px;line-height:2}
.landing-price .btn{display:flex;width:100%;min-height:48px;margin-top:24px;font-weight:700}

/* 底部行动区与说明 */
.landing-final{padding:56px 32px;border-radius:28px;background:radial-gradient(600px 300px at 80% 0%,#3E6CF7 0%,rgba(62,108,247,0) 70%),var(--brand-dark);color:#fff;text-align:center}
.landing-final h2{font-size:34px}
.landing-final p{margin:14px 0 28px;color:#DCE5FF;font-size:16px}
.landing-final-button{min-height:52px;padding:0 32px;background:#fff;color:var(--brand-dark);font-size:16px;font-weight:700}
.landing-final-button:hover{background:var(--brand-soft);color:var(--brand-dark)}
.landing-help{padding-top:0}
.landing-help-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.landing-help-card{padding:24px 28px}
.landing-help-card h2{font-size:20px;text-align:left}
.landing-help-card p{margin:10px 0 0;color:var(--ink-2);font-size:15px;line-height:1.8}
.landing-help-card code{padding:1px 6px;border-radius:6px;background:var(--bg);font-size:14px}
.landing-footer{padding:28px 0;background:var(--surface);border-top:1px solid var(--line)}
.landing-footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;color:var(--muted);font-size:13px}

@media(max-width:900px){
  .landing-nav{order:3;flex-basis:100%;justify-content:flex-start;gap:0 20px}
  .landing-header-actions{margin-left:auto}
  .landing-hero{padding:48px 0 40px}
  .landing h1{font-size:40px}
  .landing-section{padding:64px 0}
  .landing-section h2{font-size:30px}
}
@media(max-width:600px){
  .landing .wrap{padding:0 16px}
  .landing-header-inner{gap:8px 12px}
  .landing-logo-sub{display:none}
  .landing-header-actions .btn{padding:0 14px}
  .landing h1{font-size:32px}
  .landing-lead{font-size:16px}
  .landing-cta .btn{flex:1 1 100%}
  .landing-mock{min-height:0;display:flex;flex-direction:column;gap:14px}
  .mock-window,.mock-phone,.mock-float{position:static;width:auto}
  .mock-side{display:none}
  .mock-body{min-height:0}
  .mock-float{align-self:flex-start}
  .landing-section h2,.landing-final h2{font-size:26px}
  .landing-feature{padding:22px}
  .landing-diagnosis{padding:18px}
  .landing-final{padding:40px 20px;border-radius:22px}
  .landing-help-grid{grid-template-columns:minmax(0,1fr)}
  .landing-help-card{padding:20px}
  .landing-table{min-width:0}
  .landing-table thead{display:none}
  .landing-table,.landing-table tbody,.landing-table tr,.landing-table th,.landing-table td{display:block;width:100%}
  .landing-table tbody tr{padding:14px 16px}
  .landing-table tbody th,.landing-table td{padding:2px 0}
  .landing-table tbody th{font-weight:700}
  .landing-table td::before{content:attr(data-label);color:var(--muted)}
  .landing-table td:nth-child(3)::before{color:var(--brand-dark);font-weight:700}
}