/* ===== 赚钱游戏官网 ===== */
:root{
  --primary:#FF7A00;
  --primary-2:#FFA233;
  --primary-deep:#E85D00;
  --deep:#1F2733;
  --deep-2:#2B3647;
  --text:#2A3140;
  --text-2:#5D6577;
  --border:#E9EDF4;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --gold:#FFB800;
  --nav-h:64px;
  --radius:16px;
  --shadow:0 6px 20px rgba(31,39,51,.06);
  --shadow-hover:0 14px 32px rgba(255,122,0,.16);
  --grad:linear-gradient(135deg,var(--primary-2),var(--primary));
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{scroll-margin-top:calc(var(--nav-h) + 12px)}
.section{padding:84px 0}
.sec-alt{background:var(--card)}
.sec-head{text-align:center;margin-bottom:52px}
.sec-head h2{font-size:34px;font-weight:800;color:var(--deep);letter-spacing:.5px}
.sec-head h2::after{content:"";display:block;width:52px;height:4px;border-radius:2px;background:var(--grad);margin:14px auto 0}
.sec-head p{color:var(--text-2);margin-top:12px;font-size:15px}

/* 通用卡片 */
.shot-card,.step-card,.feature-card,.stat,.review-card,.update-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.shot-card,.step-card,.feature-card,.stat,.review-card{transition:transform .3s,box-shadow .3s}
.shot-card:hover,.step-card:hover,.feature-card:hover,.stat:hover,.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}

/* 通用渐变文字 */
.brand,.stat-num{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* 顶部导航 */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.nav.scrolled{border-bottom-color:var(--border);box-shadow:0 4px 16px rgba(31,39,51,.06)}
.nav-inner{display:flex;align-items:center;height:var(--nav-h)}
.logo{font-size:22px;font-weight:800;color:var(--deep);letter-spacing:.5px;white-space:nowrap}
.logo-accent{color:var(--primary)}
.nav-links{flex:1;display:flex;justify-content:center;gap:26px}
.nav-links a{font-size:15px;color:var(--text-2);position:relative;padding:6px 2px;transition:color .25s}
.nav-links a:hover,.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:2px;background:var(--grad)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-weight:700;border-radius:999px;transition:transform .25s,box-shadow .25s;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn-download,.btn-primary{background:var(--grad);color:#fff}
.btn-download{font-size:13px;padding:8px 18px;box-shadow:0 6px 16px rgba(255,122,0,.3);margin-left:16px;flex-shrink:0}

/* 首屏Hero */
.hero{padding:calc(var(--nav-h) + 56px) 0 76px;background:radial-gradient(560px 320px at 85% 12%,rgba(255,162,51,.18),transparent 65%),radial-gradient(480px 300px at 8% 88%,rgba(255,122,0,.12),transparent 60%),linear-gradient(180deg,#FFF6EC 0%,var(--bg) 100%)}
.hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero-tag{display:inline-block;padding:5px 14px;border-radius:999px;background:rgba(255,122,0,.1);color:var(--primary);font-size:13px;font-weight:600;margin-bottom:18px}
.hero-text h1{font-size:46px;line-height:1.25;font-weight:800;color:var(--deep);display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.ver-badge{display:inline-flex;align-items:center;font-size:15px;font-weight:700;color:#fff;background:var(--deep);padding:4px 14px;border-radius:999px;letter-spacing:.5px}
.ver-badge.light{background:var(--primary)}
.hero-text p{font-size:17px;color:var(--text-2);margin-top:20px;max-width:560px}
.hero-btns{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.btn-primary{font-size:17px;padding:14px 30px;box-shadow:0 10px 24px rgba(255,122,0,.35)}
.hero-img{position:relative;display:flex;justify-content:center}
.hero-img img{width:100%;max-width:400px;border-radius:22px;box-shadow:0 24px 60px rgba(31,39,51,.18)}
.hero-chip{position:absolute;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-hover);padding:10px 16px;font-size:13px;color:var(--text-2);display:flex;align-items:center;gap:6px;font-weight:600}
.hero-chip b{color:var(--primary);font-size:15px}
.chip-a{top:6%;left:-18px;animation:float 3.2s ease-in-out infinite}
.chip-b{bottom:8%;right:-14px;animation:float 3.2s ease-in-out infinite .6s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* 界面截图 */
.shots-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.shot-card{overflow:hidden}
.shot-card img{width:100%}
.shot-card figcaption{padding:14px;text-align:center;font-weight:700;font-size:15px;color:var(--deep)}

/* 产品介绍 */
.intro-text{max-width:820px;margin:0 auto;text-align:center;color:var(--text-2);font-size:16px}
.intro-text p+p{margin-top:14px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:52px}
.step-card{padding:28px 22px;text-align:center}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--grad);color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.step-card h3{font-size:17px;color:var(--deep);margin-bottom:8px}
.step-card p{font-size:14px;color:var(--text-2)}

/* 核心功能 */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{padding:28px 24px}
.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;background:rgba(255,122,0,.1);font-size:26px;margin-bottom:16px}
.feature-card h3{font-size:18px;color:var(--deep);margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--text-2)}

/* 优势对比 */
.compare-wrap{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow-x:auto;-webkit-overflow-scrolling:touch}
.compare-table{width:100%;min-width:680px;border-collapse:collapse;font-size:14px}
.compare-table th,.compare-table td{padding:15px 20px;text-align:center;border-bottom:1px solid var(--border);white-space:nowrap}
.compare-table thead th{background:var(--deep);color:#fff;font-weight:700}
.compare-table thead th.col-hot{background:var(--grad)}
.compare-table tbody td:first-child{background:var(--bg);font-weight:700;color:var(--deep)}
.compare-table tbody td.col-hot{background:rgba(255,122,0,.06);color:var(--primary-deep);font-weight:600}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody tr:hover td:not(.col-hot){background:var(--bg)}
.scroll-hint{display:none;text-align:center;color:var(--text-2);font-size:13px;margin-top:12px}

/* 平台数据 */
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.stat{padding:30px 20px;text-align:center}
.stat-num{font-size:42px;font-weight:800;line-height:1.2}
.stat-label{color:var(--text-2);font-size:14px;margin-top:8px}

/* 用户评价 */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-card{padding:22px}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;flex-shrink:0}
.review-info{display:flex;flex-direction:column}
.review-name{font-weight:700;color:var(--deep);font-size:15px}
.stars{color:var(--gold);font-size:13px;letter-spacing:2px}
.review-text{font-size:14px;color:var(--text-2)}

/* 版本更新 */
.update-card{max-width:760px;margin:0 auto;padding:32px}
.update-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.ver-pill{background:var(--grad);color:#fff;font-weight:800;font-size:15px;padding:6px 16px;border-radius:999px}
.update-date{color:var(--text-2);font-size:14px}
.update-list li{position:relative;padding:9px 0 9px 30px;color:var(--text);font-size:15px}
.update-list li::before{content:"✓";position:absolute;left:2px;top:9px;color:var(--primary);font-weight:800}
.update-list li+li{border-top:1px dashed var(--border)}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;margin-bottom:14px;transition:box-shadow .3s}
.faq-item.open{box-shadow:var(--shadow)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;cursor:pointer;font-weight:700;font-size:16px;color:var(--deep)}
.faq-icon{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:rgba(255,122,0,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;transition:transform .3s,background .3s}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:0 22px 20px;color:var(--text-2);font-size:14px}

/* 下载区域 */
.download-card{position:relative;max-width:880px;margin:0 auto;background:radial-gradient(480px 260px at 90% 0%,rgba(255,162,51,.28),transparent 60%),linear-gradient(160deg,var(--deep-2),var(--deep));border-radius:26px;padding:56px 40px;text-align:center;overflow:hidden}
.download-card h1{color:#fff;font-size:38px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.dl-meta{color:rgba(255,255,255,.72);font-size:15px;margin-top:14px}
.dl-btns{display:flex;gap:16px;justify-content:center;margin-top:28px;flex-wrap:wrap}
.btn-lg{font-size:16px;padding:15px 32px}
.dl-tip{margin-top:22px;color:var(--gold);font-size:14px}

/* 页脚 */
.footer{background:var(--deep);color:rgba(255,255,255,.7);text-align:center;padding:30px 0;font-size:14px}
.footer a{color:#fff;font-weight:700;transition:color .25s}
.footer a:hover{color:var(--primary-2)}

/* 返回顶部 */
.backtop{position:fixed;right:24px;bottom:26px;z-index:90;width:46px;height:46px;border:none;border-radius:14px;background:var(--grad);color:#fff;font-size:22px;cursor:pointer;box-shadow:0 10px 24px rgba(255,122,0,.35);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .3s,transform .3s,visibility .3s}
.backtop.show{opacity:1;visibility:visible;transform:translateY(0)}
.backtop:hover{transform:translateY(-2px)}

/* 响应式 */
@media (max-width:1100px){
  .nav-links{gap:18px}
  .nav-links a{font-size:14px}
  .hero-text h1{font-size:40px}
}
@media (max-width:960px){
  .nav-links a.hide-md{display:none}
  .shots-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .reviews-grid{grid-template-columns:repeat(2,1fr)}
  .compare-table{min-width:640px}
}
@media (max-width:860px){
  .nav-links{display:none}
  .btn-download{margin-left:auto}
  .hero{padding-top:calc(var(--nav-h) + 40px);padding-bottom:56px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-text{text-align:center}
  .hero-text p{margin-left:auto;margin-right:auto}
  .hero-btns{flex-direction:column;width:100%}
  .hero-btns .btn{width:100%}
  .hero-img img{max-width:340px}
  .container{padding:0 20px}
  .section{padding:60px 0}
  .sec-head{margin-bottom:36px}
  .sec-head h2{font-size:28px}
  .shots-grid,.steps,.features-grid,.stats-grid,.reviews-grid{grid-template-columns:1fr}
  .dl-btns{flex-direction:column;width:100%}
  .dl-btns .btn{width:100%}
  .scroll-hint{display:block}
}
@media (max-width:560px){
  .logo{font-size:19px}
  .btn-download{font-size:12px;padding:5px 12px}
  .hero-text h1{font-size:30px;justify-content:center}
  .ver-badge{font-size:13px;padding:3px 12px}
  .hero-text p{font-size:15px}
  .hero-chip{display:none}
  .steps{gap:16px}
  .update-card{padding:24px 18px}
  .dl-meta{font-size:12px;white-space:nowrap}
  .download-card{padding:44px 20px}
  .download-card h1{font-size:28px}
  .dl-tip{font-size:13px}
  .backtop{right:20px;bottom:20px}
  .compare-table th,.compare-table td{padding:12px 16px}
}