/* JK漫画官网样式 */
:root{
  --primary:#FF5C8A;
  --primary-dark:#EE4778;
  --primary-light:#FFEAF2;
  --dark:#2A2226;
  --text:#332B30;
  --muted:#6F646C;
  --border:#F2E4EA;
  --bg:#FFF9FC;
  --card:#FFFFFF;
  --radius:16px;
  --shadow:0 6px 20px rgba(255,92,138,.08);
  --shadow-hover:0 14px 32px rgba(255,92,138,.16);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:80px 0;scroll-margin-top:72px}
h2{font-size:32px;text-align:center;color:var(--dark)}
.section-sub{text-align:center;color:var(--muted);margin:12px 0 44px;font-size:15px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;padding:11px 24px}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 8px 20px rgba(255,92,138,.35);transform:translateY(-2px)}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:var(--card);padding:9px 22px}
.btn-outline:hover{background:var(--primary-light);transform:translateY(-2px)}
.btn-lg{padding:14px 36px;font-size:16px}

/* 顶部导航 */
.header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.94);border-bottom:1px solid var(--border);transition:box-shadow .3s}
.header.scrolled{box-shadow:0 4px 16px rgba(42,34,38,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:24px;font-weight:800;color:var(--primary);letter-spacing:1px}
.nav{display:flex;gap:18px}
.nav a{font-size:14px;color:var(--text);padding:4px 2px;transition:color .3s}
.nav a:hover{color:var(--primary)}
.nav a.active{color:var(--primary)}
.btn-nav{font-size:13px;padding:8px 16px}

/* 首屏Hero */
.hero{background:linear-gradient(135deg,var(--primary-light) 0%,var(--bg) 62%);padding:150px 0 84px}
.hero-inner{display:flex;align-items:center;gap:56px}
.hero-text{flex:1}
.hero h1{font-size:42px;color:var(--dark);margin-bottom:18px;line-height:1.3}
.hero-desc{color:var(--muted);font-size:16px;max-width:560px;margin-bottom:30px}
.hero-btns{display:flex;gap:16px}
.hero-img{flex:1;display:flex;justify-content:center}
.hero-img img{width:100%;max-width:340px;height:auto;border-radius:var(--radius);box-shadow:var(--shadow-hover)}

/* 作品预览 */
.works-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.work-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.work-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.work-card img{width:100%;height:auto}

/* 产品介绍 */
.intro{background:var(--card);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.intro-inner{display:flex;gap:56px;align-items:center}
.intro-text{flex:1.1}
.intro-text h2{text-align:left;margin-bottom:20px}
.intro-text p{color:var(--muted);margin-bottom:16px;font-size:15px}
.intro-points{flex:1;display:grid;gap:18px}
.intro-item{display:flex;gap:16px;align-items:flex-start;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:transform .3s,box-shadow .3s}
.intro-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.intro-num{font-size:22px;font-weight:800;color:var(--primary);line-height:1.2}
.intro-item h3{font-size:16px;color:var(--dark);margin-bottom:4px}
.intro-item p{color:var(--muted);font-size:14px;margin:0}

/* 核心功能 */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.feature-icon{width:50px;height:50px;border-radius:14px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.feature-icon svg{width:24px;height:24px}
.feature-card h3{font-size:17px;color:var(--dark);margin-bottom:8px}
.feature-card p{color:var(--muted);font-size:14px}

/* 优势对比 */
.compare-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.compare-table{width:100%;min-width:640px;border-collapse:collapse;background:var(--card);box-shadow:var(--shadow)}
.compare-table th,.compare-table td{padding:16px 22px;border:1px solid var(--border);white-space:nowrap;text-align:center;font-size:14px}
.compare-table th{font-weight:700;font-size:15px}
.compare-table th:first-child,.compare-table td:first-child{text-align:left;background:var(--bg);font-weight:600;color:var(--dark)}
th.col-us{background:var(--primary);color:#fff}
th.col-other{background:#ECE6EA;color:var(--dark)}
td.col-us{background:var(--primary-light);color:var(--text)}
td.col-other{background:#F6F2F4;color:var(--muted)}
.scroll-tip{display:none;text-align:center;color:var(--muted);font-size:13px;margin-top:12px}

/* 平台数据 */
.data{background:linear-gradient(135deg,var(--primary) 0%,#FF9DBE 100%)}
.data h2{color:#fff}
.data .section-sub{color:rgba(255,255,255,.9)}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.data-item{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);border-radius:var(--radius);padding:30px 20px;text-align:center;transition:transform .3s,background .3s}
.data-item:hover{transform:translateY(-6px);background:rgba(255,255,255,.24)}
.data-num{display:block;font-size:36px;font-weight:800;color:#fff;margin-bottom:6px}
.data-label{color:rgba(255,255,255,.92);font-size:14px}

/* 用户评价 */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;flex-shrink:0}
.review-name{display:block;font-weight:700;color:var(--dark);font-size:15px}
.stars{color:#FFB800;letter-spacing:2px;font-size:14px}
.review-card p{color:var(--muted);font-size:14px}

/* 版本更新 */
.update-card{max-width:760px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.update-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:18px;padding-bottom:18px;border-bottom:1px solid var(--border)}
.update-version{font-size:24px;font-weight:800;color:var(--primary)}
.update-time{color:var(--muted);font-size:14px}
.update-list li{position:relative;padding-left:18px;color:var(--text);font-size:15px;margin-bottom:12px}
.update-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--primary)}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:14px;margin-bottom:14px;transition:box-shadow .3s}
.faq-item:hover{box-shadow:var(--shadow)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;background:none;border:none;padding:18px 22px;font-size:15px;font-weight:600;color:var(--dark);cursor:pointer;text-align:left}
.faq-q .arrow{color:var(--primary);font-size:14px;transition:transform .3s;flex-shrink:0}
.faq-item.open .arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 22px 18px;color:var(--muted);font-size:14px}

/* 下载区域 */
.download{background:linear-gradient(135deg,var(--primary-light) 0%,var(--bg) 65%);text-align:center}
.download h1{font-size:38px;color:var(--dark);margin-bottom:10px;line-height:1.3}
.download-meta{color:var(--muted);font-size:14px;margin-bottom:34px;white-space:nowrap}
.download-btns{display:flex;justify-content:center;gap:18px;margin-bottom:26px}
.download-tip{color:var(--muted);font-size:14px}

/* 底部版权 */
.footer{background:var(--dark);color:#C9BFC5;text-align:center;padding:28px 16px;font-size:13px}
.footer a{color:#fff;transition:color .3s}
.footer a:hover{color:var(--primary)}

/* 返回顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:18px;cursor:pointer;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s,transform .3s;z-index:99;box-shadow:0 8px 20px rgba(255,92,138,.35)}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px);background:var(--primary-dark)}

/* 平板适配 */
@media (max-width:1024px){
  .nav{gap:12px}
  .nav a{font-size:13px}
  .works-grid{grid-template-columns:repeat(2,1fr)}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .reviews-grid{grid-template-columns:repeat(2,1fr)}
  .intro-inner{gap:40px}
}

/* 平板竖屏 */
@media (max-width:900px){
  .nav{display:none}
  .hero{padding:120px 0 64px}
  .hero-inner{flex-direction:column;gap:36px}
  .hero-text{text-align:center}
  .hero-desc{margin-left:auto;margin-right:auto}
  .hero-btns{justify-content:center}
  .intro-inner{flex-direction:column;gap:32px}
  .intro-text h2{text-align:center}
  .data-grid{grid-template-columns:repeat(2,1fr)}
}

/* 移动端适配 */
@media (max-width:768px){
  .container{padding:0 20px}
  section{padding:56px 0;scroll-margin-top:64px}
  h2{font-size:26px}
  .section-sub{margin-bottom:32px}
  .hero h1{font-size:28px}
  .hero-desc{font-size:15px}
  .hero-btns{flex-direction:column;gap:14px;max-width:400px;margin:0 auto}
  .hero-btns .btn{width:100%}
  .hero-img img{max-width:260px}
  .works-grid{grid-template-columns:1fr;gap:20px}
  .features-grid{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .data-grid{gap:14px}
  .data-num{font-size:28px}
  .scroll-tip{display:block}
  .update-card{padding:24px}
  .download h1{font-size:26px}
  .download-meta{font-size:12px;margin-bottom:28px}
  .download-btns{flex-direction:column;gap:14px;max-width:400px;margin:0 auto 24px}
  .download-btns .btn{width:100%}
  .to-top{right:16px;bottom:16px}
}