@charset "UTF-8";
/* ==========================================================================
   易歪歪 · eyyn.hl.cn 落地页样式（Landing）
   适用：index.html / download.html（仅这两个页面引用，不依赖 style.css）
   风格：蓝色科技 · 左右分栏 · 吸顶导航 + 卡片网格 + 表格化规格
   配色：底 #FFFFFF  浅底 #F5F8FF  主色 #2563EB  深蓝 #1E3A8A
        点缀 #0EA5E9  正文 #1F2328  次要 #616B7A  分隔线 #DCE3F0
   约定：类名统一 ld- 前缀；圆角上限 10px；图标一律内联 SVG 线性图标
   ========================================================================== */

:root{
  --ld-bg:#FFFFFF;
  --ld-soft:#F5F8FF;
  --ld-soft-2:#EDF3FF;
  --ld-primary:#2563EB;
  --ld-primary-dk:#1D4ED8;
  --ld-deep:#1E3A8A;
  --ld-accent:#0EA5E9;
  --ld-ink:#1F2328;
  --ld-muted:#616B7A;
  --ld-line:#DCE3F0;
  --ld-line-2:#EDF1F8;
  --ld-ok:#1A7F37;
  --ld-ok-soft:#E9F6EE;
  --ld-warn:#9A6700;
  --ld-warn-soft:#FFF8E5;
  --ld-r:10px;
  --ld-r-sm:6px;
  --ld-nav-h:64px;
  --ld-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --ld-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono","Courier New",monospace;
  --ld-shadow:0 1px 2px rgba(30,58,138,.05),0 10px 26px rgba(30,58,138,.07);
  --ld-shadow-sm:0 1px 2px rgba(30,58,138,.06);
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--ld-bg);
  color:var(--ld-ink);
  font-family:var(--ld-sans);
  font-size:15.5px;
  line-height:1.8;
  font-feature-settings:"tnum" on;
}

img{max-width:100%;height:auto;display:block;}
svg{display:block;}

a{color:var(--ld-primary);text-decoration:none;}
a:hover{color:var(--ld-primary-dk);text-decoration:underline;}
a:focus-visible{outline:2px solid var(--ld-primary);outline-offset:2px;border-radius:3px;}

h1,h2,h3,h4{line-height:1.35;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em;}
h1{font-size:34px;}
h2{font-size:25px;}
h3{font-size:17px;}
h4{font-size:14.5px;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.3em;}
li{margin:.28em 0;}

section[id],div[id]{scroll-margin-top:calc(var(--ld-nav-h) + 18px);}

.ld-mono,.ld-num{font-family:var(--ld-mono);font-variant-numeric:tabular-nums;}
.ld-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- 跳到主要内容 ---------- */
.ld-skip{
  position:absolute;left:12px;top:-48px;z-index:90;
  background:var(--ld-deep);color:#fff;padding:8px 14px;border-radius:var(--ld-r-sm);
  font-size:13.5px;transition:top .18s ease;
}
.ld-skip:focus{top:12px;color:#fff;text-decoration:none;}

/* ---------- 布局容器 ---------- */
.ld-wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
.ld-wrap-narrow{max-width:920px;}

/* ---------- 吸顶导航 ---------- */
.ld-nav{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--ld-line);
}
.ld-nav-inner{
  max-width:1180px;margin:0 auto;padding:0 24px;
  min-height:var(--ld-nav-h);
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
}
.ld-brand{display:inline-flex;align-items:center;gap:9px;color:var(--ld-ink);font-weight:700;font-size:16.5px;}
.ld-brand:hover{color:var(--ld-ink);text-decoration:none;}
.ld-brand img{width:26px;height:26px;border-radius:7px;}
.ld-ver{
  display:inline-block;margin-left:2px;padding:2px 8px;border-radius:var(--ld-r-sm);
  background:var(--ld-soft-2);border:1px solid #CFE0FF;color:var(--ld-primary-dk);
  font-family:var(--ld-mono);font-size:11.5px;font-weight:600;letter-spacing:.02em;
}
.ld-menu{display:flex;align-items:center;gap:2px;margin:0 0 0 auto;padding:0;list-style:none;flex-wrap:wrap;}
.ld-menu li{margin:0;}
.ld-menu a{
  display:block;padding:7px 11px;border-radius:var(--ld-r-sm);
  color:var(--ld-muted);font-size:14.5px;white-space:nowrap;
}
.ld-menu a:hover{background:var(--ld-soft);color:var(--ld-primary-dk);text-decoration:none;}
.ld-menu a[aria-current="page"]{color:var(--ld-primary-dk);background:var(--ld-soft-2);}
.ld-nav-acts{display:flex;align-items:center;gap:10px;}

/* ---------- 按钮 ---------- */
.ld-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:11px 20px;border-radius:8px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background .16s ease,border-color .16s ease,color .16s ease,box-shadow .16s ease;
}
.ld-btn svg{width:17px;height:17px;flex:none;}
.ld-btn-primary{
  background:linear-gradient(180deg,#3B7BF6 0%,var(--ld-primary) 100%);
  color:#fff;box-shadow:0 6px 16px rgba(37,99,235,.24);
}
.ld-btn-primary:hover{background:var(--ld-primary-dk);color:#fff;text-decoration:none;box-shadow:0 8px 20px rgba(37,99,235,.3);}
.ld-btn-ghost{background:#fff;border-color:#C9D8F5;color:var(--ld-primary-dk);}
.ld-btn-ghost:hover{background:var(--ld-soft);border-color:#A7C2F2;color:var(--ld-primary-dk);text-decoration:none;}
.ld-btn-sm{padding:8px 14px;font-size:13.8px;border-radius:7px;}
.ld-btn-block{width:100%;}

/* ---------- Hero 左右分栏 ---------- */
.ld-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(880px 340px at 88% -10%,rgba(14,165,233,.13),transparent 62%),
    linear-gradient(180deg,var(--ld-soft) 0%,#FFFFFF 78%);
  border-bottom:1px solid var(--ld-line);
}
.ld-hero-inner{
  max-width:1180px;margin:0 auto;padding:62px 24px 66px;
  display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:52px;align-items:center;
}
.ld-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;margin-bottom:18px;
  background:#fff;border:1px solid var(--ld-line);
  color:var(--ld-primary-dk);font-size:13px;font-weight:600;
}
.ld-eyebrow .ld-dot{width:7px;height:7px;border-radius:50%;background:var(--ld-accent);}
.ld-hero h1{margin:0 0 16px;font-size:40px;letter-spacing:-.02em;}
.ld-hero h1 em{font-style:normal;color:var(--ld-primary);}
.ld-hero-sub{margin:0 0 26px;max-width:560px;color:var(--ld-muted);font-size:16.5px;line-height:1.85;}
.ld-hero-acts{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.ld-trust{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;
  margin:0;padding:0;list-style:none;
  border-top:1px solid var(--ld-line);padding-top:16px;
}
.ld-trust li{
  margin:0;padding:0 18px;border-left:1px solid var(--ld-line);
  font-size:13.2px;color:var(--ld-muted);
}
.ld-trust li:first-child{padding-left:0;border-left:0;}
.ld-trust b{display:block;color:var(--ld-deep);font-size:17px;font-family:var(--ld-mono);}

/* ---------- Hero 右侧：纯 CSS 客户端界面示意卡 ---------- */
.ld-mock{
  position:relative;border:1px solid #D5E1F8;border-radius:var(--ld-r);
  background:#fff;box-shadow:0 18px 44px rgba(30,58,138,.12);
  overflow:hidden;
}
.ld-mock::before{
  content:"";position:absolute;inset:-1px -1px auto -1px;height:3px;
  background:linear-gradient(90deg,var(--ld-primary),var(--ld-accent));
}
.ld-mock-bar{
  display:flex;align-items:center;gap:8px;
  padding:11px 14px;background:#F7FAFF;border-bottom:1px solid var(--ld-line);
}
.ld-mock-bar i{width:9px;height:9px;border-radius:50%;background:#D5DEEF;display:block;}
.ld-mock-bar i:first-child{background:#F0A0A0;}
.ld-mock-bar i:nth-child(2){background:#F2D19B;}
.ld-mock-bar i:nth-child(3){background:#A8D8B9;}
.ld-mock-title{margin-left:6px;font-size:12.5px;color:var(--ld-muted);font-family:var(--ld-mono);}
.ld-mock-body{padding:16px 16px 18px;}
.ld-mock-search{
  display:flex;align-items:center;gap:8px;
  padding:8px 11px;border:1px solid var(--ld-line);border-radius:var(--ld-r-sm);
  background:var(--ld-soft);color:#9AA5B6;font-size:13px;margin-bottom:12px;
}
.ld-mock-search svg{width:15px;height:15px;stroke:#9AA5B6;}
.ld-mock-list{list-style:none;margin:0 0 12px;padding:0;}
.ld-mock-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin:0 0 7px;padding:9px 11px;border-radius:var(--ld-r-sm);
  border:1px solid var(--ld-line-2);background:#fff;font-size:13.4px;color:#3B4351;
}
.ld-mock-list li.is-on{
  border-color:#B9D0F7;background:linear-gradient(90deg,#F2F7FF,#FFFFFF);
  box-shadow:inset 3px 0 0 var(--ld-primary);
}
.ld-mock-list kbd{
  font-family:var(--ld-mono);font-size:10.5px;color:var(--ld-muted);
  background:var(--ld-soft);border:1px solid var(--ld-line);border-radius:4px;padding:1px 6px;
}
.ld-mock-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px;}
.ld-mock-tags span{
  font-size:11.5px;color:var(--ld-primary-dk);background:var(--ld-soft-2);
  border:1px solid #D3E2FF;border-radius:999px;padding:2px 9px;
}
.ld-mock-send{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:9px 12px;border-radius:var(--ld-r-sm);
  background:linear-gradient(90deg,var(--ld-primary),#3B82F6);color:#fff;font-size:13.5px;font-weight:600;
}
.ld-mock-send span:last-child{font-family:var(--ld-mono);font-size:11.5px;opacity:.86;font-weight:400;}

/* ---------- 区块通用 ---------- */
.ld-sec{padding:64px 0;border-bottom:1px solid var(--ld-line-2);}
.ld-sec-soft{background:var(--ld-soft);}
.ld-sec-head{max-width:760px;margin-bottom:30px;}
.ld-sec-head h2{margin:0 0 10px;}
.ld-sec-head p{margin:0;color:var(--ld-muted);font-size:15.8px;}
.ld-tag{
  display:inline-block;margin-bottom:12px;padding:3px 10px;border-radius:var(--ld-r-sm);
  background:var(--ld-soft-2);color:var(--ld-primary-dk);
  font-family:var(--ld-mono);font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
}
.ld-sec-soft .ld-tag{background:#fff;border:1px solid var(--ld-line);}

/* ---------- 核心能力 2 列 × 3 行 ---------- */
.ld-features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.ld-card{
  padding:22px 22px 20px;border:1px solid var(--ld-line);border-radius:var(--ld-r);
  background:#fff;box-shadow:var(--ld-shadow-sm);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.ld-card:hover{border-color:#B9D0F7;box-shadow:var(--ld-shadow);transform:translateY(-2px);}
.ld-ico{
  display:flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:50%;margin-bottom:14px;
  background:linear-gradient(150deg,#EAF1FE,#DCEBFF);border:1px solid #CFE0FF;
}
.ld-ico svg{width:21px;height:21px;stroke:var(--ld-primary);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.ld-card h3{margin:0 0 7px;font-size:16.5px;}
.ld-card p{margin:0;color:var(--ld-muted);font-size:14.6px;line-height:1.8;}
.ld-card .ld-meta{
  display:block;margin-top:12px;padding-top:11px;border-top:1px dashed var(--ld-line);
  font-family:var(--ld-mono);font-size:12px;color:#7C8798;
}

/* ---------- 表格 ---------- */
.ld-tablewrap{overflow-x:auto;border:1px solid var(--ld-line);border-radius:var(--ld-r);background:#fff;}
.ld-table{width:100%;border-collapse:collapse;min-width:660px;font-size:14.6px;}
.ld-table caption{
  caption-side:top;text-align:left;padding:13px 16px;
  background:var(--ld-soft);border-bottom:1px solid var(--ld-line);
  color:var(--ld-muted);font-size:13.4px;
}
.ld-table th,.ld-table td{padding:11px 16px;border-bottom:1px solid var(--ld-line-2);text-align:left;vertical-align:top;}
.ld-table tbody tr:last-child th,.ld-table tbody tr:last-child td{border-bottom:0;}
.ld-table thead th{
  background:#F8FBFF;color:var(--ld-deep);font-size:13.2px;font-weight:700;
  white-space:nowrap;border-bottom:1px solid var(--ld-line);
}
.ld-table tbody th{color:var(--ld-ink);font-weight:600;white-space:nowrap;background:#FCFDFF;}
.ld-table tbody tr:hover td{background:#FAFCFF;}
.ld-table .ld-yes{color:var(--ld-ok);font-weight:600;}
.ld-table .ld-accent{color:var(--ld-accent);font-weight:600;}
.ld-note{margin-top:14px;color:var(--ld-muted);font-size:14px;}

/* ---------- 快速开始 横向 4 步 ---------- */
.ld-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin:0 0 6px;padding:0;list-style:none;}
.ld-step{position:relative;padding:0;margin:0;}
.ld-step::after{
  content:"";position:absolute;top:19px;left:52px;right:-16px;height:2px;
  background:linear-gradient(90deg,#93C5FD,var(--ld-accent));border-radius:2px;
}
.ld-step:last-child::after{display:none;}
.ld-step-num{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;margin-bottom:13px;
  background:#fff;border:2px solid var(--ld-primary);color:var(--ld-primary-dk);
  font-family:var(--ld-mono);font-size:15px;font-weight:700;
}
.ld-step h3{margin:0 0 6px;font-size:15.6px;}
.ld-step p{margin:0 0 8px;color:var(--ld-muted);font-size:14.2px;line-height:1.78;}
.ld-step .ld-res{display:block;font-size:13.2px;color:var(--ld-primary-dk);font-family:var(--ld-mono);}

/* ---------- 安全说明要点网格 ---------- */
.ld-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:0;padding:0;list-style:none;}
.ld-point{
  display:flex;gap:13px;margin:0;padding:18px 20px;
  background:#fff;border:1px solid var(--ld-line);border-radius:var(--ld-r);
}
.ld-point .ld-ico{margin-bottom:0;width:36px;height:36px;flex:none;}
.ld-point .ld-ico svg{width:18px;height:18px;}
.ld-point strong{display:block;font-size:15.2px;margin-bottom:3px;}
.ld-point p{margin:0;color:var(--ld-muted);font-size:14.2px;line-height:1.78;}

/* ---------- 对比 / 选型 ---------- */
.ld-compare{margin:0;}

/* ---------- FAQ ---------- */
.ld-faq{border-top:1px solid var(--ld-line);}
.ld-faq details{
  border-bottom:1px solid var(--ld-line);background:#fff;
}
.ld-faq details[open]{background:linear-gradient(180deg,#FAFCFF,#FFFFFF);}
.ld-faq summary{
  display:flex;align-items:flex-start;gap:10px;
  padding:16px 4px;cursor:pointer;list-style:none;
  font-size:15.6px;font-weight:600;color:var(--ld-ink);
}
.ld-faq summary::-webkit-details-marker{display:none;}
.ld-faq summary::before{
  content:"";flex:none;width:9px;height:9px;margin-top:7px;
  border-right:2px solid var(--ld-primary);border-bottom:2px solid var(--ld-primary);
  transform:rotate(-45deg);transition:transform .18s ease;
}
.ld-faq details[open] summary::before{transform:rotate(45deg);}
.ld-faq summary:hover{color:var(--ld-primary-dk);}
.ld-faq .ld-ans{padding:0 4px 18px 19px;color:var(--ld-muted);font-size:14.8px;}
.ld-faq .ld-ans p{margin:0;}

/* ---------- 数据条 ---------- */
.ld-stats{
  background:linear-gradient(120deg,var(--ld-deep) 0%,#1D4ED8 58%,var(--ld-accent) 130%);
  color:#fff;
}
.ld-stats-inner{
  max-width:1180px;margin:0 auto;padding:34px 24px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
}
.ld-stat{margin:0;padding-left:18px;border-left:1px solid rgba(255,255,255,.24);}
.ld-stat:first-child{padding-left:0;border-left:0;}
.ld-stat b{display:block;font-family:var(--ld-mono);font-size:27px;line-height:1.25;letter-spacing:-.01em;}
.ld-stat span{display:block;font-size:13.4px;color:rgba(255,255,255,.82);}

/* ---------- 页脚 ---------- */
.ld-footer{background:#0F1F44;color:#C3CDE3;}
.ld-foot-inner{
  max-width:1180px;margin:0 auto;padding:46px 24px 30px;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;
}
.ld-foot-brand{display:inline-flex;align-items:center;gap:9px;color:#fff;font-weight:700;font-size:16.5px;margin-bottom:12px;}
.ld-foot-brand img{width:26px;height:26px;border-radius:7px;}
.ld-foot-col h4{margin:0 0 12px;color:#fff;font-size:14.5px;}
.ld-foot-col ul{margin:0;padding:0;list-style:none;}
.ld-foot-col li{margin:0 0 8px;}
.ld-foot-col a{color:#C3CDE3;font-size:14.2px;}
.ld-foot-col a:hover{color:#fff;}
.ld-foot-col p{margin:0;font-size:13.6px;line-height:1.85;color:#9FACC8;}
.ld-foot-bot{
  max-width:1180px;margin:0 auto;padding:16px 24px 26px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
}
.ld-foot-bot p{margin:0;font-size:12.8px;color:#8B99B7;}

/* ---------- 下载页：页头 ---------- */
.ld-pagehead{
  background:
    radial-gradient(760px 300px at 82% -20%,rgba(14,165,233,.14),transparent 60%),
    linear-gradient(180deg,var(--ld-soft) 0%,#FFFFFF 82%);
  border-bottom:1px solid var(--ld-line);
}
.ld-pagehead-inner{max-width:1180px;margin:0 auto;padding:46px 24px 40px;}
.ld-crumbs{margin:0 0 16px;padding:0;list-style:none;display:flex;gap:8px;font-size:13.2px;color:var(--ld-muted);}
.ld-crumbs li{margin:0;}
.ld-crumbs li+li::before{content:"/";margin-right:8px;color:#B4BECC;}
.ld-pagehead h1{margin:0 0 12px;font-size:34px;}
.ld-pagehead p{max-width:760px;margin:0 0 18px;color:var(--ld-muted);font-size:16px;}
.ld-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;}
.ld-chips li{
  margin:0;padding:4px 11px;border-radius:999px;
  background:#fff;border:1px solid var(--ld-line);color:var(--ld-muted);
  font-size:12.8px;font-family:var(--ld-mono);
}
.ld-chips li.ld-chip-ok{color:var(--ld-ok);border-color:#BFE3CB;background:var(--ld-ok-soft);}

/* ---------- 下载页：平台卡片 ---------- */
.ld-dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.ld-dl-card{
  display:flex;flex-direction:column;
  padding:20px;background:#fff;border:1px solid var(--ld-line);border-radius:var(--ld-r);
  box-shadow:var(--ld-shadow-sm);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.ld-dl-card:hover{border-color:#B9D0F7;box-shadow:var(--ld-shadow);transform:translateY(-2px);}
.ld-dl-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.ld-dl-head .ld-ico{margin-bottom:0;flex:none;}
.ld-dl-head h3{margin:0 0 2px;font-size:16.4px;}
.ld-dl-head .ld-ver{margin:0;}
.ld-dl-card > p{margin:0 0 14px;color:var(--ld-muted);font-size:14.2px;line-height:1.78;}
.ld-kv{margin:0 0 16px;padding:0;}
.ld-kv div{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px dashed var(--ld-line-2);font-size:13.6px;}
.ld-kv div:last-child{border-bottom:0;}
.ld-kv dt{margin:0;color:var(--ld-muted);}
.ld-kv dd{margin:0;text-align:right;font-family:var(--ld-mono);color:var(--ld-ink);}
.ld-dl-card .ld-btn{margin-top:auto;}

/* ---------- 提示条 ---------- */
.ld-callout{
  display:flex;gap:12px;align-items:flex-start;
  margin:22px 0 0;padding:15px 18px;border-radius:var(--ld-r);
  background:var(--ld-soft);border:1px solid var(--ld-line);border-left:3px solid var(--ld-primary);
  font-size:14.4px;color:var(--ld-muted);
}
.ld-callout .ld-lb{
  flex:none;font-family:var(--ld-mono);font-size:11.5px;font-weight:700;letter-spacing:.04em;
  color:var(--ld-primary-dk);background:#fff;border:1px solid var(--ld-line);
  border-radius:var(--ld-r-sm);padding:2px 8px;margin-top:2px;
}
.ld-callout p{margin:0;}
.ld-callout-ok{border-left-color:var(--ld-ok);}
.ld-callout-ok .ld-lb{color:var(--ld-ok);}
.ld-callout-warn{border-left-color:#E0A800;background:var(--ld-warn-soft);border-color:#F2E4B8;}
.ld-callout-warn .ld-lb{color:var(--ld-warn);border-color:#F0DEA8;}

/* ---------- CTA 面板 ---------- */
.ld-cta{
  margin-top:26px;padding:28px 30px;border-radius:var(--ld-r);
  background:linear-gradient(120deg,#EEF4FF 0%,#F7FAFF 60%,#EAF6FE 100%);
  border:1px solid #D5E1F8;
}
.ld-cta h2{margin:0 0 8px;font-size:21px;}
.ld-cta p{margin:0 0 18px;color:var(--ld-muted);font-size:14.8px;}
.ld-cta-acts{display:flex;flex-wrap:wrap;gap:12px;}

/* ==========================================================================
   响应式：1000px / 760px 两档
   ========================================================================== */
@media (max-width:1000px){
  .ld-nav-inner{min-height:60px;padding-top:8px;padding-bottom:8px;}
  .ld-menu{display:none;}
  .ld-nav-acts{margin-left:auto;}
  .ld-hero-inner{grid-template-columns:minmax(0,1fr);gap:34px;padding:44px 24px 50px;}
  .ld-hero h1{font-size:33px;}
  .ld-features{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
  .ld-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 18px;}
  .ld-step:nth-child(2)::after{display:none;}
  .ld-dl-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ld-stats-inner{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .ld-stat:nth-child(3){padding-left:0;border-left:0;}
  .ld-foot-inner{grid-template-columns:1fr 1fr;gap:24px;}
  .ld-sec{padding:52px 0;}
}

@media (max-width:760px){
  body{font-size:15px;}
  .ld-wrap,.ld-nav-inner,.ld-hero-inner,.ld-pagehead-inner,.ld-stats-inner,.ld-foot-inner,.ld-foot-bot{padding-left:16px;padding-right:16px;}
  .ld-hero h1{font-size:27px;}
  .ld-hero-sub{font-size:15.4px;}
  h1{font-size:26px;}
  h2{font-size:21px;}
  .ld-pagehead h1{font-size:25px;}
  .ld-btn{padding:10px 16px;font-size:14.4px;}
  .ld-hero-acts .ld-btn,.ld-cta-acts .ld-btn{flex:1 1 100%;}
  .ld-trust{display:grid;grid-template-columns:1fr 1fr;gap:10px 0;}
  .ld-trust li{padding:0 12px;}
  .ld-trust li:nth-child(3){padding-left:0;border-left:0;}
  .ld-features{grid-template-columns:minmax(0,1fr);}
  .ld-points{grid-template-columns:minmax(0,1fr);gap:12px;}
  .ld-steps{grid-template-columns:minmax(0,1fr);gap:18px;}
  .ld-step::after{display:none;}
  .ld-dl-grid{grid-template-columns:minmax(0,1fr);}
  .ld-stats-inner{grid-template-columns:1fr 1fr;gap:16px;}
  .ld-stat b{font-size:22px;}
  .ld-foot-inner{grid-template-columns:1fr;gap:22px;}
  .ld-sec{padding:44px 0;}
  .ld-cta{padding:22px 18px;}
  .ld-table{min-width:560px;font-size:13.8px;}
  .ld-table th,.ld-table td{padding:9px 12px;}
}