:root{
  --primary:#FFB800;
  --primary-deep:#E69500;
  --primary-soft:#FFF3D6;
  --dark:#2E261B;
  --text:#2B2620;
  --text-2:#6E6558;
  --border:#F0E6D4;
  --bg:#FFFDF7;
  --card:#FFFFFF;
  --shadow-sm:0 4px 16px rgba(46,38,27,.06);
  --shadow-md:0 14px 36px rgba(46,38,27,.13);
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:15px;-webkit-font-smoothing:antialiased}
img{display:block;width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
.container{max-width:1200px;margin:0 auto;padding:0 32px}

/* ===== 顶部导航 ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,253,247,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:flex;align-items:center;gap:8px;font-size:20px;font-weight:800;color:var(--dark);flex-shrink:0}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--primary);color:var(--dark);font-size:18px;font-weight:800}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-menu a{padding:6px 12px;font-size:14px;color:var(--text-2);border-radius:999px;transition:color .2s,background .2s;white-space:nowrap}
.nav-menu a:hover,.nav-menu a.active{color:var(--primary-deep);background:var(--primary-soft)}
.nav-menu a.active{font-weight:600}
.nav-btn{padding:8px 18px;font-size:14px;flex-shrink:0}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:600;transition:transform .25s,box-shadow .25s,background .25s,color .25s,border-color .25s;white-space:nowrap}
.btn-primary{background:var(--primary);color:var(--dark)}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:0 10px 24px rgba(230,149,0,.32)}
.btn-outline{border:2px solid var(--primary);color:var(--primary-deep);background:transparent}
.btn-outline:hover{background:var(--primary);color:var(--dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(230,149,0,.28)}
.btn-light{background:#FFF7E0;color:var(--dark)}
.btn-light:hover{background:#FFE9B0;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,255,255,.14)}
.btn-lg{padding:15px 34px;font-size:16px}

/* ===== 通用区块 ===== */
.section{padding:92px 0}
.sec-head{max-width:640px;margin:0 auto 52px;text-align:center}
.sec-tag{display:inline-block;padding:5px 16px;border-radius:999px;background:var(--primary-soft);color:var(--primary-deep);font-size:13px;font-weight:600;margin-bottom:16px}
.sec-head h2{font-size:34px;font-weight:800;color:var(--dark);line-height:1.3}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:15px}
.works,.features,.update{background:var(--card)}

/* ===== Hero ===== */
.hero{background:linear-gradient(180deg,#FFF6DF 0%,var(--bg) 100%);padding:72px 0 88px}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-tag{display:inline-block;padding:6px 16px;border-radius:999px;background:var(--primary);color:var(--dark);font-size:13px;font-weight:600;margin-bottom:20px}
.hero h1{font-size:46px;font-weight:800;color:var(--dark);line-height:1.25}
.ver{display:inline-block;margin-left:10px;padding:4px 14px;border-radius:999px;background:var(--primary-soft);color:var(--primary-deep);font-size:19px;font-weight:700;vertical-align:middle}
.hero-desc{margin-top:22px;font-size:16px;color:var(--text-2);max-width:540px}
.hero-btns{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.hero-note{margin-top:18px;font-size:13px;color:var(--text-2)}
.hero-img img{border-radius:var(--radius);box-shadow:var(--shadow-md)}

/* ===== 作品预览 ===== */
.works-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.work-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s}
.work-card img{transition:transform .4s}
.work-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.work-card:hover img{transform:scale(1.03)}

/* ===== 产品介绍 ===== */
.intro-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.intro-copy h2{font-size:32px;font-weight:800;color:var(--dark);line-height:1.3;margin-bottom:18px}
.intro-copy p{color:var(--text-2);font-size:15px;margin-bottom:14px}
.intro-panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}
.intro-panel h3{font-size:19px;font-weight:700;color:var(--dark);margin-bottom:20px}
.intro-panel li{display:flex;align-items:flex-start;gap:12px;padding:11px 0;font-size:14.5px;color:var(--text);border-bottom:1px dashed var(--border)}
.intro-panel li:last-child{border-bottom:none}
.dot{flex-shrink:0;width:8px;height:8px;border-radius:50%;background:var(--primary);margin-top:9px}

/* ===== 核心功能 ===== */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px;transition:transform .3s,box-shadow .3s}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;background:var(--primary-soft);color:var(--primary-deep);margin-bottom:18px}
.feature-icon svg{width:26px;height:26px}
.feature-card h3{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--text-2)}

/* ===== 优势对比 ===== */
.compare-table{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--card);box-shadow:var(--shadow-sm)}
.ct-row{display:grid;grid-template-columns:1fr 1.25fr 1.25fr}
.ct-row+.ct-row{border-top:1px solid var(--border)}
.ct-cell{padding:17px 24px;font-size:14.5px;color:var(--text);display:flex;align-items:center}
.ct-head{background:var(--dark)}
.ct-head .ct-cell{color:#F7F2E8;font-weight:600}
.ct-brand{background:var(--primary);color:var(--dark);font-weight:600}
.ct-head .ct-brand{color:var(--dark)}

/* ===== 平台数据 ===== */
.data{background:var(--dark);color:#F7F2E8}
.data .sec-head h2{color:#fff}
.data .sec-head p{color:#C9BFAE}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.data-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:36px 20px;text-align:center;transition:transform .3s,background .3s}
.data-item:hover{transform:translateY(-6px);background:rgba(255,255,255,.09)}
.data-num{font-size:46px;font-weight:800;color:var(--primary);line-height:1.1}
.data-num span{font-size:22px;font-weight:700}
.data-item p{margin-top:8px;font-size:14px;color:#C9BFAE}

/* ===== 用户评价 ===== */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:transform .3s,box-shadow .3s}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.review-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.review-avatar{display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:50%;background:var(--primary);color:var(--dark);font-size:19px;font-weight:800;flex-shrink:0}
.review-name{font-size:15px;font-weight:600;color:var(--dark)}
.review-stars{color:var(--primary);letter-spacing:2px;font-size:14px;margin-top:2px}
.review-card p{font-size:14px;color:var(--text-2)}

/* ===== 版本更新 ===== */
.update-card{max-width:760px;margin:0 auto;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:38px 40px;box-shadow:var(--shadow-sm)}
.update-head{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:10px}
.update-ver{font-size:28px;font-weight:800;color:var(--primary-deep)}
.update-time{font-size:14px;color:var(--text-2);background:var(--primary-soft);padding:5px 14px;border-radius:999px}
.update-list{margin-top:16px}
.update-list li{position:relative;padding:11px 0 11px 30px;font-size:14.5px;color:var(--text);border-bottom:1px dashed var(--border)}
.update-list li:last-child{border-bottom:none}
.update-list li::before{content:"";position:absolute;left:4px;top:21px;width:10px;height:10px;border-radius:50%;background:var(--primary)}

/* ===== FAQ ===== */
.faq-wrap{max-width:780px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:box-shadow .3s}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--dark);text-align:left;transition:color .2s}
.faq-q:hover{color:var(--primary-deep)}
.faq-icon{position:relative;flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--primary-soft)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--primary-deep);border-radius:2px;transition:transform .3s}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-inner p{padding:0 24px 22px;font-size:14.5px;color:var(--text-2)}

/* ===== 下载区域 ===== */
.download{background:linear-gradient(180deg,#332A1D 0%,#231D12 100%);color:#F7F2E8;text-align:center;padding:100px 0}
.download h1{font-size:42px;font-weight:800;color:#fff;line-height:1.3}
.download .ver{background:rgba(255,184,0,.15);color:var(--primary)}
.meta{margin-top:18px;font-size:14px;color:#C9BFAE}
.download-btns{display:flex;justify-content:center;gap:18px;margin-top:36px;flex-wrap:wrap}
.download-tip{margin-top:28px;font-size:14px;color:#E4DAC8}

/* ===== 页脚 ===== */
.footer{background:#1A150E;color:#A99D8A;font-size:13px;padding:34px 0}
.footer p{text-align:center}
.footer a{color:var(--primary);font-weight:600}
.footer .footer-sub{margin-top:6px;color:#7E7463}

/* ===== 返回顶部 ===== */
#backTop{position:fixed;right:26px;bottom:26px;z-index:99;display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:50%;background:var(--primary);color:var(--dark);box-shadow:0 8px 22px rgba(46,38,27,.3);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s,transform .3s,visibility .3s,background .2s}
#backTop:hover{background:var(--primary-deep)}
#backTop.show{opacity:1;visibility:visible;transform:translateY(0)}
#backTop svg{width:20px;height:20px}

/* ===== 入场动画 ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ===== 平板适配 ===== */
@media (max-width:1024px){
  .hero-inner,.intro-inner{grid-template-columns:1fr;gap:40px}
  .hero{padding:56px 0 72px}
  .hero-img{max-width:420px;margin:0 auto}
  .intro-copy{max-width:640px}
  .works-grid{grid-template-columns:repeat(2,1fr)}
  .features-grid,.reviews-grid{grid-template-columns:repeat(2,1fr)}
  .data-grid{grid-template-columns:repeat(2,1fr)}
  .nav-menu a{padding:6px 9px;font-size:13px}
  .nav-inner{gap:12px}
  .sec-head h2{font-size:29px}
}

/* ===== 手机适配 ===== */
@media (max-width:768px){
  .container{padding:0 20px}
  .nav-inner{height:58px}
  .nav-menu{display:none}
  .nav-btn{margin-left:auto}
  .section{padding:64px 0}
  .sec-head{margin-bottom:36px}
  .sec-head h2{font-size:25px}
  .hero{padding:40px 0 56px}
  .hero h1{font-size:30px}
  .hero-desc{font-size:15px}
  .hero-btns{flex-direction:column;margin-top:28px}
  .hero-btns .btn{width:100%}
  .hero-note{font-size:12px}
  .works-grid,.features-grid,.reviews-grid,.data-grid{grid-template-columns:1fr;gap:18px}
  .ct-cell{padding:13px 12px;font-size:12.5px}
  .ct-row{grid-template-columns:1fr 1.2fr 1.2fr}
  .data-item{padding:28px 16px}
  .data-num{font-size:38px}
  .update-card{padding:26px 22px}
  .update-ver{font-size:24px}
  .download{padding:72px 0}
  .download h1{font-size:30px}
  .meta{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .download-btns{flex-direction:column;gap:14px;margin-top:28px}
  .download-btns .btn{width:100%}
  .download-tip{font-size:13px}
  .faq-q{padding:17px 18px;font-size:15px}
  .faq-a-inner p{padding:0 18px 18px}
  #backTop{right:16px;bottom:16px;width:42px;height:42px}
}