/* 企业微信资源分享站 · 主样式表 */
:root{
  --bg:#0b1220;
  --bg-2:#0f1a2e;
  --panel:#ffffff;
  --panel-2:#f5f8fc;
  --txt:#1a2332;
  --txt-2:#4a5567;
  --txt-3:#7a8598;
  --line:#e5eaf2;
  --line-2:#eef2f8;
  --pri:#0083ff;         /* 企业微信品牌蓝 */
  --pri-2:#0066cc;
  --pri-3:#00a3ff;
  --pri-soft:#e8f2ff;
  --green:#07c160;       /* 微信绿，辅助色 */
  --gold:#f6b93b;
  --shadow:0 6px 24px rgba(0,60,140,.09);
  --shadow-lg:0 12px 40px rgba(0,60,140,.14);
  --radius:14px;
  --radius-lg:20px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,sans-serif;
  color:var(--txt);
  background:var(--panel-2);
  line-height:1.7;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.container.box{max-width:1200px}

/* ============ 顶部导航 ============ */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;gap:22px;height:64px}
.nav-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--txt);white-space:nowrap}
.nav-brand img{width:28px;height:28px;border-radius:6px;box-shadow:0 1px 3px rgba(0,100,200,.2)}
.nav-brand .ver{font-size:11px;color:var(--pri);background:var(--pri-soft);padding:2px 8px;border-radius:99px;font-weight:600;letter-spacing:.02em}
.nav-links{display:flex;list-style:none;gap:4px;margin-left:6px}
.nav-links a{
  display:inline-block;padding:8px 14px;border-radius:8px;
  font-size:14px;color:var(--txt-2);transition:.2s;
}
.nav-links a:hover{background:var(--pri-soft);color:var(--pri)}
.nav-links a.active{color:var(--pri);background:var(--pri-soft);font-weight:600}
.nav-links a.nav-download-btn{color:#fff;background:var(--pri);font-weight:600}
.nav-links a.nav-download-btn:hover{background:var(--pri-2)}
.nav-spacer{flex:1}
.nav-search{
  display:flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:99px;
  background:var(--panel-2);border:1px solid var(--line);
  color:var(--txt-3);font-size:12.5px;
}
.nav-search svg{width:14px;height:14px;stroke:var(--txt-3)}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 18px;border-radius:10px;
  background:linear-gradient(135deg,var(--pri),var(--pri-3));
  color:#fff;font-weight:600;font-size:13.5px;
  box-shadow:0 4px 12px rgba(0,131,255,.35);
  transition:.2s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(0,131,255,.45)}
.nav-toggle{display:none;width:38px;height:38px;border-radius:8px;position:relative;align-items:center;justify-content:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:'';display:block;width:18px;height:2px;background:var(--txt);border-radius:2px;
  position:absolute;left:10px;transition:.3s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.on span{background:transparent}
.nav-toggle.on span::before{transform:rotate(45deg);top:0}
.nav-toggle.on span::after{transform:rotate(-45deg);top:0}

/* ============ Hero 首页 ============ */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#002050 0%,#003a86 30%,#0083ff 70%,#00a3ff 100%);
  color:#fff;padding:80px 0 100px;
}
.hero::before{
  content:'';position:absolute;top:-40%;right:-20%;width:70%;height:140%;
  background:radial-gradient(circle,rgba(255,255,255,.14),transparent 60%);
  pointer-events:none;
}
.hero::after{
  content:'';position:absolute;bottom:-30%;left:-10%;width:50%;height:100%;
  background:radial-gradient(circle,rgba(7,193,96,.18),transparent 60%);
  pointer-events:none;
}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:99px;
  background:rgba(255,255,255,.14);backdrop-filter:blur(10px);
  font-size:12.5px;letter-spacing:.02em;margin-bottom:20px;
  border:1px solid rgba(255,255,255,.22);
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#07c160;box-shadow:0 0 0 3px rgba(7,193,96,.3)}
.hero h1{
  font-size:44px;font-weight:800;line-height:1.2;
  letter-spacing:-.01em;margin-bottom:20px;
  text-shadow:0 2px 12px rgba(0,20,60,.25);
}
.hero h1 .hl{color:#7ec4ff;position:relative;display:inline-block}
.hero h1 .hl::after{content:'';position:absolute;left:0;right:0;bottom:6px;height:14px;background:rgba(7,193,96,.35);z-index:-1;border-radius:6px}
.hero .lead{font-size:17px;color:rgba(255,255,255,.86);line-height:1.8;margin-bottom:32px;max-width:540px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:12px;font-size:14.5px;font-weight:600;
  transition:.25s;cursor:pointer;
}
.btn-primary{background:#fff;color:var(--pri);box-shadow:0 6px 20px rgba(0,0,0,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.32)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn svg{width:18px;height:18px}
.hero-stats{display:flex;gap:32px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.hero-stats .st{display:flex;flex-direction:column}
.hero-stats .st b{font-size:26px;font-weight:800;color:#fff;letter-spacing:-.02em}
.hero-stats .st b .u{font-size:14px;color:#7ec4ff;margin-left:2px}
.hero-stats .st span{font-size:12.5px;color:rgba(255,255,255,.72);margin-top:2px}
.hero-visual{position:relative}
.hero-visual .main-img{
  border-radius:var(--radius-lg);
  box-shadow:0 30px 80px rgba(0,10,40,.45);
  border:1px solid rgba(255,255,255,.16);
  background:#fff;
}
.hero-visual .main-img img{border-radius:var(--radius-lg);width:100%;height:auto;display:block}
.hero-visual .float{
  position:absolute;background:#fff;color:var(--txt);
  padding:12px 16px;border-radius:14px;
  box-shadow:0 10px 30px rgba(0,10,40,.28);
  display:flex;align-items:center;gap:10px;font-size:13px;font-weight:500;
  border:1px solid rgba(255,255,255,.6);
}
.hero-visual .float .ic{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.hero-visual .f1{top:14%;left:-30px;animation:float 5s ease-in-out infinite}
.hero-visual .f1 .ic{background:linear-gradient(135deg,#07c160,#0fa850)}
.hero-visual .f2{bottom:22%;right:-20px;animation:float 6s ease-in-out infinite .8s}
.hero-visual .f2 .ic{background:linear-gradient(135deg,#0083ff,#0055cc)}
.hero-visual .f3{top:44%;right:-40px;animation:float 7s ease-in-out infinite .4s}
.hero-visual .f3 .ic{background:linear-gradient(135deg,#f6b93b,#e39d10)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ============ 通用分区 ============ */
.section{padding:80px 0}
.section.alt{background:var(--panel)}
.section-dark{background:linear-gradient(135deg,#0b1a33,#0f2a5a);color:#fff;padding:80px 0}
.sec-head{margin-bottom:44px;text-align:center}
.sec-head .kicker{
  display:inline-block;padding:5px 14px;border-radius:99px;
  background:var(--pri-soft);color:var(--pri);
  font-size:12px;font-weight:600;letter-spacing:.05em;margin-bottom:12px;
}
.sec-head h2{font-size:32px;font-weight:800;letter-spacing:-.01em;line-height:1.25}
.sec-head p{color:var(--txt-2);font-size:15.5px;margin-top:10px;max-width:640px;margin-left:auto;margin-right:auto}
.section-dark .sec-head .kicker{background:rgba(126,196,255,.15);color:#7ec4ff}
.section-dark .sec-head h2{color:#fff}
.section-dark .sec-head p{color:rgba(255,255,255,.7)}

/* ============ 快速下载卡 ============ */
.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.dl-card{
  background:var(--panel);border-radius:var(--radius-lg);
  padding:28px 28px 26px;
  box-shadow:var(--shadow);
  border:1px solid var(--line);
  transition:.25s;
  display:flex;flex-direction:column;align-items:center;
  gap:18px;text-align:center;
  position:relative;
}
.dl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--pri-3)}
.dl-qr{
  width:148px;height:148px;border-radius:14px;
  background:#fff;padding:10px;
  border:1px solid var(--line);
  box-shadow:0 6px 18px rgba(0,131,255,.16);
  flex-shrink:0;
  display:block;
}
.dl-qr img{width:100%;height:100%;object-fit:contain;display:block}
/* 关键：禁用下载卡二维码的呼吸边框动画，避免光晕溢出 */
.dl-qr.qr-breath::before,.dl-qr.qr-breath::after{content:none;display:none}
.dl-info{width:100%}
.dl-info h3{font-size:19px;font-weight:700;margin-bottom:6px}
.dl-info .sub{color:var(--txt-3);font-size:13px;margin-bottom:14px;line-height:1.65}
.dl-cta{display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap;width:100%}
.dl-cta .btn-pri{
  background:var(--pri);color:#fff;padding:10px 20px;border-radius:9px;
  font-size:13.5px;font-weight:600;transition:.2s;display:inline-flex;align-items:center;gap:6px;
}
.dl-cta .btn-pri:hover{background:var(--pri-2)}
.dl-cta .btn-ghost2{
  background:var(--pri-soft);color:var(--pri);padding:10px 16px;border-radius:9px;
  font-size:12.5px;font-weight:500;
}
.dl-card .badge{
  display:inline-block;padding:3px 10px;border-radius:99px;
  background:var(--pri-soft);color:var(--pri);
  font-size:11px;font-weight:600;margin-left:8px;
  vertical-align:middle;
}

/* ============ 功能特色卡片 ============ */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat-card{
  background:var(--panel);border-radius:var(--radius-lg);
  padding:26px;border:1px solid var(--line);
  transition:.25s;position:relative;overflow:hidden;
}
.feat-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--pri),var(--pri-3),var(--green));
  transform:scaleX(0);transform-origin:left;transition:.35s;
}
.feat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--pri-3)}
.feat-card:hover::before{transform:scaleX(1)}
.feat-card .ic{
  width:48px;height:48px;border-radius:12px;
  background:var(--pri-soft);color:var(--pri);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.feat-card .ic svg{width:24px;height:24px;stroke:var(--pri);stroke-width:2;fill:none}
.feat-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.feat-card p{color:var(--txt-2);font-size:13.5px;line-height:1.7}

/* ============ 产品能力大图 ============ */
.cap-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:60px}
.cap-row:last-child{margin-bottom:0}
.cap-row.flip{grid-template-columns:1fr 1fr}
.cap-visual{
  background:var(--panel);border-radius:var(--radius-lg);
  padding:20px;border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.cap-visual img{border-radius:12px;width:100%}
.cap-txt .kicker{color:var(--pri);font-size:13px;font-weight:700;letter-spacing:.05em;margin-bottom:8px}
.cap-txt h3{font-size:26px;font-weight:800;margin-bottom:14px;line-height:1.35}
.cap-txt p{color:var(--txt-2);font-size:14.5px;margin-bottom:16px}
.cap-txt ul{list-style:none;padding:0}
.cap-txt ul li{
  padding:8px 0 8px 26px;position:relative;color:var(--txt-2);font-size:13.5px;
  border-bottom:1px dashed var(--line-2);
}
.cap-txt ul li:last-child{border-bottom:none}
.cap-txt ul li::before{
  content:'';position:absolute;left:0;top:14px;
  width:16px;height:16px;border-radius:50%;background:var(--pri-soft);
}
.cap-txt ul li::after{
  content:'';position:absolute;left:4px;top:18px;
  width:8px;height:4px;border-left:2px solid var(--pri);border-bottom:2px solid var(--pri);
  transform:rotate(-45deg);
}

/* ============ 数据统计 ============ */
.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stats-strip .st{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:26px 22px;
  text-align:center;backdrop-filter:blur(6px);
}
.stats-strip .st .n{font-size:34px;font-weight:800;color:#7ec4ff;letter-spacing:-.02em}
.stats-strip .st .n .u{font-size:16px;color:#7ec4ff;margin-left:3px}
.stats-strip .st .l{font-size:13px;color:rgba(255,255,255,.7);margin-top:6px}

/* ============ 版本/时间线 ============ */
.tl{position:relative;padding-left:32px}
.tl::before{content:'';position:absolute;left:12px;top:8px;bottom:8px;width:2px;background:linear-gradient(to bottom,var(--pri),var(--pri-3) 40%,transparent)}
.tl-item{position:relative;padding:0 0 28px 24px}
.tl-item::before{
  content:'';position:absolute;left:-27px;top:6px;
  width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--pri);
  box-shadow:0 0 0 4px var(--pri-soft);
}
.tl-item .v{
  display:inline-block;padding:3px 12px;border-radius:99px;
  background:var(--pri-soft);color:var(--pri);
  font-size:12.5px;font-weight:700;margin-right:8px;
}
.tl-item .d{color:var(--txt-3);font-size:12.5px}
.tl-item h4{font-size:16.5px;font-weight:700;margin:8px 0 8px}
.tl-item ul{list-style:none}
.tl-item ul li{padding:4px 0;color:var(--txt-2);font-size:13.5px;position:relative;padding-left:14px}
.tl-item ul li::before{content:'·';color:var(--pri);font-weight:700;position:absolute;left:2px;top:2px;font-size:16px;line-height:1}

/* ============ 使用教程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--panel);border-radius:var(--radius-lg);padding:26px;
  border:1px solid var(--line);position:relative;
}
.step .no{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--pri),var(--pri-3));
  color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;box-shadow:0 6px 14px rgba(0,131,255,.3);
}
.step h4{font-size:16px;font-weight:700;margin-bottom:8px}
.step p{color:var(--txt-2);font-size:13.5px;line-height:1.7}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--panel);border-radius:12px;
  border:1px solid var(--line);overflow:hidden;
  transition:.2s;
}
.faq-item:hover{border-color:var(--pri-3)}
.faq-item .q{
  padding:18px 22px;display:flex;justify-content:space-between;align-items:center;
  cursor:pointer;font-weight:600;font-size:15px;color:var(--txt);
  background:var(--panel);
}
.faq-item .q .plus{
  width:24px;height:24px;border-radius:6px;background:var(--pri-soft);color:var(--pri);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:600;
  transition:.3s;flex-shrink:0;
}
.faq-item.open .q .plus{transform:rotate(45deg);background:var(--pri);color:#fff}
.faq-item .a{
  max-height:0;overflow:hidden;padding:0 22px;
  transition:.3s;color:var(--txt-2);font-size:14px;line-height:1.75;
}
.faq-item.open .a{max-height:600px;padding:0 22px 18px}

/* ============ 平台选择 ============ */
.plat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.plat-card{
  background:var(--panel);border-radius:var(--radius-lg);padding:28px;
  text-align:center;border:1px solid var(--line);
  transition:.25s;position:relative;
}
.plat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--pri-3)}
.plat-card .pi{
  width:64px;height:64px;border-radius:16px;
  background:linear-gradient(135deg,var(--pri-soft),#dbe8ff);
  color:var(--pri);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;
}
.plat-card .pi svg{width:32px;height:32px;stroke:var(--pri);stroke-width:2;fill:none}
.plat-card h4{font-size:16px;font-weight:700;margin-bottom:4px}
.plat-card .sub{font-size:12.5px;color:var(--txt-3);margin-bottom:16px}
.plat-card .info{font-size:12.5px;color:var(--txt-2);line-height:1.7}

/* ============ 页脚 ============ */
.footer{background:linear-gradient(135deg,#0b1a33 0%,#0f2340 100%);color:rgba(255,255,255,.7);padding:60px 0 0;margin-top:20px}
.footer-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-weight:700;font-size:16px}
.brand-row img{width:32px;height:32px;border-radius:7px}
.about-tx{font-size:13px;line-height:1.75;color:rgba(255,255,255,.65)}
.footer h5{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.02em}
.footer ul{list-style:none}
.footer ul li{margin-bottom:8px}
.footer ul a{color:rgba(255,255,255,.65);font-size:13px;transition:.2s}
.footer ul a:hover{color:#7ec4ff;padding-left:4px}
.footer-legal{padding:22px 0}
.footer-legal .box{max-width:1200px}
.disclaimer{font-size:11.5px;color:rgba(255,255,255,.5);margin-bottom:8px;line-height:1.65}
.rights{font-size:12px;color:rgba(255,255,255,.55)}
.rights a{color:#7ec4ff;text-decoration:underline}

/* ============ 子页头部 ============ */
.sub-hero{
  background:linear-gradient(135deg,#002050,#003a86 60%,#0083ff);
  color:#fff;padding:56px 0 60px;position:relative;overflow:hidden;
}
.sub-hero::after{
  content:'';position:absolute;top:-30%;right:-10%;width:60%;height:160%;
  background:radial-gradient(circle,rgba(255,255,255,.1),transparent 60%);
}
.sub-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:14px}
.crumb a:hover{color:#fff}
.crumb span{color:rgba(255,255,255,.5)}
.sub-hero h1{font-size:34px;font-weight:800;line-height:1.3;margin-bottom:12px;letter-spacing:-.01em}
.sub-hero p{font-size:15.5px;color:rgba(255,255,255,.86);max-width:720px}

/* ============ 二维码弹窗 ============ */
.mask{
  position:fixed;inset:0;z-index:9999;
  background:rgba(6,18,42,.68);backdrop-filter:blur(6px);
  display:none;align-items:center;justify-content:center;padding:24px;
}
.mask.show{display:flex}
.modal{
  background:#fff;border-radius:20px;max-width:680px;width:100%;
  box-shadow:0 30px 80px rgba(0,10,40,.4);
  overflow:hidden;animation:pop .28s cubic-bezier(.34,1.56,.64,1);
}
@keyframes pop{from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}
.modal-hd{padding:22px 26px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;background:var(--panel-2)}
.modal-hd .mt{font-size:18px;font-weight:800;color:var(--txt);margin-bottom:2px}
.modal-hd .ms{font-size:12.5px;color:var(--txt-3)}
.mx{width:34px;height:34px;border-radius:8px;background:rgba(0,0,0,.05);color:var(--txt-2);font-size:22px;line-height:1;display:flex;align-items:center;justify-content:center;transition:.2s}
.mx:hover{background:rgba(0,0,0,.1);color:var(--txt)}
.modal-bd{padding:26px;display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center}
.qr-cell{text-align:center}
.qr-breath{
  position:relative;width:200px;height:200px;padding:10px;background:#fff;
  border-radius:14px;overflow:visible;
  box-shadow:0 6px 20px rgba(0,131,255,.16);
}
.qr-breath::before{
  content:'';position:absolute;inset:-4px;border-radius:18px;
  border:2px solid var(--pri);opacity:.35;
  animation:qrBreath 2.4s ease-in-out infinite;
}
.qr-breath::after{
  content:'';position:absolute;inset:-10px;border-radius:22px;
  border:2px solid var(--pri-3);opacity:.15;
  animation:qrBreath 2.4s ease-in-out infinite .4s;
}
@keyframes qrBreath{
  0%,100%{transform:scale(.97);opacity:.35}
  50%{transform:scale(1.04);opacity:.85}
}
.qr-breath img{width:100%;height:100%;border-radius:8px;object-fit:contain}
.qr-cell .tip{font-size:13px;color:var(--txt-2);margin-top:12px;font-weight:500}
.modal-bd .checks{list-style:none}
.modal-bd .checks li{display:flex;align-items:flex-start;gap:10px;padding:6px 0;color:var(--txt-2);font-size:13.5px}
.modal-bd .checks li svg{width:18px;height:18px;stroke:var(--green);stroke-width:2.4;fill:none;flex-shrink:0;margin-top:2px}
.modal-bd .checks li b{color:var(--txt)}
.modal-bd .expire{
  display:flex;gap:10px;padding:12px 14px;border-radius:10px;
  background:#fff8ec;border:1px solid #ffe5b4;color:#8a5a00;font-size:13px;
  margin-top:14px;line-height:1.6;
}
.modal-bd .expire svg{width:18px;height:18px;stroke:#c88a1a;stroke-width:2;fill:none;flex-shrink:0;margin-top:2px}
.modal-ft{padding:14px 26px;background:var(--panel-2);text-align:center;font-size:12px;color:var(--txt-3);border-top:1px solid var(--line)}

/* ============ 通用小卡 ============ */
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.info-card{
  background:var(--panel);border-radius:var(--radius-lg);padding:26px;
  border:1px solid var(--line);
}
.info-card h4{font-size:16.5px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.info-card h4 .ic{
  width:32px;height:32px;border-radius:8px;background:var(--pri-soft);color:var(--pri);
  display:flex;align-items:center;justify-content:center;
}
.info-card h4 .ic svg{width:18px;height:18px;stroke:var(--pri);stroke-width:2;fill:none}
.info-card p,.info-card li{color:var(--txt-2);font-size:13.5px;line-height:1.75}
.info-card ul{padding-left:20px}
.info-card ul li{margin-bottom:4px}

/* ============ CTA 结尾 ============ */
.cta-band{
  background:linear-gradient(135deg,#0083ff 0%,#0055cc 100%);
  color:#fff;padding:56px 40px;border-radius:24px;text-align:center;
  position:relative;overflow:hidden;box-shadow:0 20px 50px rgba(0,131,255,.25);
}
.cta-band::before{
  content:'';position:absolute;top:-40%;right:-20%;width:60%;height:180%;
  background:radial-gradient(circle,rgba(255,255,255,.18),transparent 60%);
}
.cta-band h3{font-size:26px;font-weight:800;margin-bottom:12px;position:relative}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.9);margin-bottom:22px;position:relative;max-width:640px;margin-left:auto;margin-right:auto}
.cta-band .btn-white{
  background:#fff;color:var(--pri);padding:13px 30px;border-radius:12px;
  font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:8px;
  box-shadow:0 8px 24px rgba(0,0,0,.25);transition:.2s;position:relative;
}
.cta-band .btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.32)}

/* ============ 响应式 ============ */
@media (max-width:960px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:14px;border-bottom:1px solid var(--line);gap:2px}
  .nav-links.show{display:flex}
  .nav-links a{padding:12px 16px}
  .nav-toggle{display:flex}
  .nav-search,.nav-cta{display:none}
  .hero{padding:60px 0 80px}
  .hero-in{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:32px}
  .hero-visual{order:-1}
  .hero-visual .float{display:none}
  .feat-grid,.plat-grid{grid-template-columns:1fr}
  .cap-row{grid-template-columns:1fr;gap:26px}
  .cap-row.flip{}
  .dl-grid,.info-grid,.steps{grid-template-columns:1fr}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .footer-in{grid-template-columns:1fr 1fr;gap:32px}
  .modal-bd{grid-template-columns:1fr}
  .sec-head h2{font-size:26px}
  .section{padding:56px 0}
}
@media (max-width:600px){
  .container{padding:0 18px}
  .hero-stats{gap:20px}
  .stats-strip{grid-template-columns:1fr 1fr}
  .footer-in{grid-template-columns:1fr}
  .dl-card{grid-template-columns:1fr;text-align:center}
  .dl-qr{margin:0 auto}
  .dl-cta{justify-content:center}
  .sub-hero h1{font-size:26px}
}