*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;color:#2b1418;background:#fff;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.7}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{color:inherit;font:inherit}
.wrap{width:min(1200px,calc(100% - 40px));margin:0 auto}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:5px;font-weight:900;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s;white-space:nowrap}
.head-cta{min-height:42px;padding:0 17px;font-size:12px;background:#a1161c;color:#fff}
.head-cta:hover{background:#c0282d}
.hero-cta{min-height:57px;padding:0 26px;font-size:15px;background:#e8b933;color:#2b1418;box-shadow:7px 7px 0 #2b1418}
.hero-cta:hover{transform:translate(-2px,-2px);box-shadow:9px 9px 0 #2b1418}

/* 顶栏 */
.site-head{position:sticky;top:0;z-index:30;background:#2b1418;color:#fff}
.head-in{height:76px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand img{width:44px;height:44px;border-radius:7px;object-fit:contain;background:#fff;padding:4px}
.brand span{display:grid}
.brand b{font-size:17px}
.brand small{margin-top:2px;color:#e8b933;font-size:10px;font-weight:900;letter-spacing:1.2px}
.nav{margin-left:auto;display:flex;align-items:center;gap:17px;font-size:12px;font-weight:700}
.nav a:hover{color:#e8b933}
.menu-btn{display:none;margin-left:auto;border:0;background:transparent;color:#fff;cursor:pointer;padding:4px}
.menu-btn svg{width:26px;height:26px;display:block}

/* 首屏 */
.hero{overflow:hidden;background:#a1161c;border-bottom:2px solid #2b1418}
.hero-in{min-height:680px;display:grid;grid-template-columns:1fr 480px;align-items:center;gap:75px}
.hero-copy{position:relative;z-index:2}
.badge{display:inline-block;padding:8px 11px;border-radius:3px;background:#2b1418;color:#fff;font-size:11px;font-weight:900;letter-spacing:1.5px}
.hero h1{margin:26px 0 0;max-width:670px;color:#fff;font-size:56px;line-height:1.14}
.hero-copy p{max-width:590px;margin:23px 0 29px;color:#f6d9d7;font-size:16px;line-height:1.9}
.hero-copy p a{color:#fff;border-bottom:2px solid rgba(255,255,255,.45)}
.hero-copy p a:hover{border-bottom-color:#e8b933}

.stage{position:relative;width:480px;min-height:555px;justify-self:end;background:#fff;border-radius:7px}
.stage:after{content:"手机端界面";position:absolute;right:19px;bottom:17px;color:#ab9c97;font-size:11px;font-weight:900;letter-spacing:1px}
.stage>img{position:absolute;z-index:2;width:305px;height:auto;left:73px;bottom:0;border:7px solid #2b1418;border-bottom:0;border-radius:27px 27px 0 0;box-shadow:17px 0 0 #e8b933}
.stage .circle{position:absolute;z-index:3;right:17px;top:22px;width:92px;height:92px;display:grid;place-items:center;border-radius:50%;background:#e8b933;color:#2b1418;text-align:center;font-size:13px;font-weight:900;line-height:1.45;transform:rotate(7deg)}
.stage .tip{position:absolute;z-index:3;left:-42px;bottom:48px;min-width:215px;display:flex;align-items:center;gap:12px;padding:15px 17px;border:2px solid #2b1418;border-radius:5px;background:#fff;box-shadow:6px 6px 0 #2b1418}
.stage .tip .ic{flex:0 0 auto;width:36px;height:36px;border-radius:50%;background:#fbeae8;color:#a1161c;display:grid;place-items:center}
.stage .tip .ic svg{width:19px;height:19px}
.stage .tip span{display:grid;font-size:11px;color:#6b625c}
.stage .tip b{margin-top:3px;font-size:14px;color:#2b1418}

/* 区块 */
.sec{padding:92px 0}
.sec-title{margin:0 auto 44px;width:max-content;max-width:100%;text-align:center;font-size:32px;font-weight:900}
.sec-title:after{content:"";display:block;width:42px;height:6px;margin:11px auto 0;border-radius:3px;background:#a1161c}
.sec-dark{background:#2b1418;color:#fff}
.sec-dark .sec-title:after{background:#e8b933}
.sec-gold{background:#e8b933}
.sec-faq{background:#a1161c}
.sec-faq .sec-title{color:#fff}
.sec-faq .sec-title:after{background:#e8b933}
.sec-steps{background:#f5f1ea}

/* 产品展示 */
.shots{display:grid;grid-template-columns:repeat(4,1fr);gap:19px}
.shots figure{margin:0;padding:10px;border:1px solid #e3d9d4;border-radius:7px;background:#f7f4f1}
.shots img{width:100%;height:auto;aspect-ratio:480/853;object-fit:contain;border-radius:5px;background:#ece4df}
.shots figcaption{display:flex;align-items:center;gap:10px;min-height:57px;font-size:13px;font-weight:800}
.shots figcaption b{display:grid;width:27px;height:27px;flex:0 0 auto;place-items:center;border-radius:50%;background:#e8b933;color:#2b1418;font-family:Consolas,monospace;font-size:10px}

/* 优势亮点 */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.feat{min-height:210px;padding:27px;border-radius:6px;background:#3a1c21}
.feat .ic{display:grid;width:48px;height:48px;place-items:center;margin-bottom:31px;border-radius:50%;background:#e8b933;color:#2b1418}
.feat .ic svg{width:25px;height:25px}
.feat b{display:block;font-size:18px}
.feat p{margin:10px 0 0;color:#cdb5b2;font-size:14px;line-height:1.8}
.feat p a{color:#e8b933;border-bottom:1px solid rgba(232,185,51,.5)}
.feat p a:hover{border-bottom-color:#e8b933}

/* 下载中心 */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.dl{position:relative;min-height:225px;padding:25px;border-radius:6px;background:#fff;box-shadow:0 8px 0 rgba(43,20,24,.12);display:flex;flex-direction:column}
.dl>span{position:absolute;right:18px;top:18px;color:#ab9c97;font-family:Consolas,monospace;font-size:11px;font-weight:900}
.dl .ic{display:grid;width:48px;height:48px;place-items:center;margin-bottom:30px;border-radius:50%;background:#fbeae8;color:#a1161c}
.dl .ic svg{width:24px;height:24px}
.dl b{display:block;font-size:18px}
.dl p{margin:10px 0 0;color:#6b625c;font-size:14px;line-height:1.8;flex:1}
.dl a{display:flex;align-items:center;justify-content:space-between;margin-top:22px;padding:13px 14px;border-radius:4px;background:#2b1418;color:#fff;font-size:13px;font-weight:900;transition:background .15s}
.dl a:hover{background:#a1161c}
.dl a svg{width:16px;height:16px}

/* 使用流程 */
.steps{max-width:1050px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.steps article{min-height:180px;padding:24px;border-top:6px solid #a1161c;background:#fff}
.steps article:nth-child(2n){border-color:#e8b933}
.steps span{display:block;margin-bottom:31px;color:#2b1418;font-family:Consolas,monospace;font-size:34px;font-weight:900;line-height:1}
.steps b{font-size:16px}
.steps p{margin:8px 0 0;color:#6b625c;font-size:13px;line-height:1.7}

/* 常见问题 */
.faq{max-width:930px;margin:0 auto}
.qa{margin-bottom:9px;border-radius:6px;background:#fff}
.qa button{width:100%;min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 19px;border:0;background:transparent;text-align:left;font-weight:900;font-size:15px;cursor:pointer}
.qa button i{flex:0 0 auto;color:#a1161c;font-size:20px;font-style:normal;font-weight:900;line-height:1}
.qa .ans{display:none;padding:0 54px 22px 19px;color:#6b625c;line-height:1.8;font-size:14px}
.qa.open .ans{display:block}
.qa .ans a{color:#a1161c;font-weight:700;border-bottom:1px solid rgba(161,22,28,.35)}
.qa .ans a:hover{border-bottom-color:#a1161c}

/* 产品资讯 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:17px}
.news{padding:26px;border-left:6px solid #a1161c;background:#f7f4f1}
.news:nth-child(2n){border-color:#e8b933}
.news .meta{display:flex;justify-content:space-between;gap:10px;margin-bottom:22px;color:#8b8078;font-size:11px;font-weight:700}
.news .meta span{color:#a1161c;font-weight:900}
.news b{display:block;font-size:18px}
.news p{margin:10px 0 0;color:#6b625c;font-size:14px;line-height:1.8}
.news p a{color:#a1161c;font-weight:700;border-bottom:1px solid rgba(161,22,28,.3)}
.news p a:hover{border-bottom-color:#a1161c}

/* 用户评价 */
.rev-cols{columns:3;column-gap:17px}
.rev{break-inside:avoid;margin:0 0 17px;padding:23px;border-radius:6px;background:#fff;color:#2b1418}
.rev .top{display:flex;justify-content:space-between;gap:10px;font-size:13px;font-weight:900}
.rev .top span{display:inline-flex;align-items:center;gap:6px}
.rev .top svg{width:15px;height:15px;color:#a1161c;flex:0 0 auto}
.rev .top b{color:#dfa70d}
.rev p{margin:22px 0;line-height:1.85;font-size:14px}
.rev time{color:#8b8078;font-size:11px}

/* 站内链接条 */
.sec-links{background:#f7f4f1;padding:52px 0}
.sec-links .sec-title{margin-bottom:24px;font-size:21px}
.links-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.links-row a{padding:10px 16px;border:1px solid #e0d5cf;border-radius:999px;background:#fff;font-size:13px;font-weight:700;color:#a1161c;transition:.15s}
.links-row a:hover{background:#a1161c;border-color:#a1161c;color:#fff}

/* 页脚 */
.site-foot{padding:36px 0 20px;background:#2b1418;color:#fff}
.foot-in{display:flex;align-items:center;gap:24px}
.foot-nav{margin-left:auto;display:flex;gap:15px;font-size:12px}
.foot-nav a:hover{color:#e8b933}
.copy{width:min(1200px,calc(100% - 40px));margin:28px auto 0;padding-top:17px;border-top:1px solid rgba(255,255,255,.16);color:#9b8d89;text-align:center;font-size:12px}

/* 回到顶部 */
.to-top{position:fixed;right:26px;bottom:26px;z-index:40;width:46px;height:46px;border:0;border-radius:6px;background:#2b1418;color:#fff;display:grid;place-items:center;cursor:pointer;opacity:0;visibility:hidden;transition:.2s}
.to-top.on{opacity:1;visibility:visible}
.to-top:hover{background:#a1161c}
.to-top svg{width:20px;height:20px}

/* 移动端 */
@media (max-width:767px){
  .wrap,.copy{width:min(100% - 28px,1200px)}
  .head-in{height:66px}
  .brand img{width:40px;height:40px}
  .brand b{font-size:15px}
  .brand small{font-size:9px}
  .menu-btn{display:block}
  .site-head .head-cta{display:none}
  .nav{display:none;position:absolute;left:0;right:0;top:66px;flex-direction:column;align-items:stretch;gap:0;padding:10px 14px;border-top:1px solid rgba(255,255,255,.16);background:#2b1418}
  .nav.open{display:flex}
  .nav a{padding:11px 10px;border-radius:4px}
  .nav a:hover{background:#3a1c21}
  .hero-in{min-height:0;padding:57px 0 73px;grid-template-columns:1fr;gap:66px}
  .hero h1{font-size:38px;margin-top:20px}
  .hero-copy p{font-size:15px}
  .hero-cta{width:100%}
  .stage{width:min(330px,100%);min-height:500px;justify-self:center}
  .stage>img{width:258px;left:36px}
  .stage .circle{right:4px;top:14px}
  .stage .tip{left:-6px;min-width:200px;bottom:36px}
  .sec{padding:66px 0}
  .sec-title{margin-bottom:34px;font-size:27px}
  .shots{display:flex;gap:14px;overflow-x:auto;padding:0 7px 15px 0;scroll-snap-type:x mandatory}
  .shots figure{flex:0 0 79%;scroll-snap-align:start}
  .feat-grid,.dl-grid,.steps,.news-grid{grid-template-columns:1fr}
  .feat{min-height:0}
  .feat .ic{margin-bottom:22px}
  .steps article{min-height:140px}
  .qa button{font-size:14px}
  .qa .ans{padding:0 15px 20px}
  .rev-cols{columns:1}
  .foot-in{align-items:flex-start;flex-wrap:wrap}
  .foot-nav{order:3;width:100%;margin:10px 0 0;display:grid;grid-template-columns:repeat(2,1fr);gap:8px 15px}
  .to-top{right:16px;bottom:16px}
}