/* ===== 秀秀漫画官网落地页样式 ===== */
:root{
  --primary:#FF5C8A;
  --primary-dark:#E8437A;
  --primary-light:#FFE4EF;
  --grad:linear-gradient(135deg,#FF8AA6 0%,#FF5C8A 100%);
  --dark:#33283E;
  --text:#4B4156;
  --muted:#8C7F98;
  --border:#F5E3EE;
  --bg:#FFF9FC;
  --card:#FFFFFF;
  --light:#FDF0F6;
  --star:#FFB800;
  --footer-text:#C9C0D6;
  --footer-muted:#9C93AA;
  --radius:16px;
  --shadow:0 8px 24px rgba(255,92,138,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:74px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:15px;line-height:1.75;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
ul,ol{list-style:none}
button{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
/* ===== 顶部导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:center;gap:8px;font-size:22px;font-weight:800;color:var(--dark);white-space:nowrap}
.logo i{width:26px;height:26px;border-radius:8px;background:var(--grad);box-shadow:0 4px 10px rgba(255,92,138,.35)}
.nav-menu{display:flex;align-items:center;gap:16px;flex:1}
.nav-menu a{font-size:14px;font-weight:500;color:var(--text);transition:color .2s;white-space:nowrap}
.nav-menu a:hover,.nav-menu a.active{color:var(--primary)}
.nav-btn{flex-shrink:0;padding:6px 16px;border-radius:999px;background:var(--grad);color:#fff;font-size:13px;font-weight:600;white-space:nowrap;transition:transform .2s,box-shadow .2s}
.nav-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
/* ===== 首屏 Hero ===== */
.hero{padding:128px 0 84px;background:linear-gradient(180deg,var(--light) 0%,var(--bg) 100%)}
.hero-inner{display:flex;align-items:center;justify-content:space-between;gap:56px}
.hero-info{flex:1;max-width:580px}
.hero-tags{display:flex;gap:10px;margin-bottom:18px}
.hero-tags span{padding:5px 14px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);font-size:14px;font-weight:600}
.hero-info h1{font-size:42px;line-height:1.25;font-weight:800;color:var(--dark);margin-bottom:18px}
.ver,.data-num,.version-no em{color:var(--primary);background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{font-size:16px;color:var(--muted);max-width:560px}
.hero-btns{display:flex;gap:16px;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 30px;border-radius:999px;background:var(--grad);color:#fff;font-size:15px;font-weight:600;text-align:center;transition:transform .2s,box-shadow .2s;box-shadow:0 6px 16px rgba(255,92,138,.28)}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{background:var(--card);color:var(--primary);border:1px solid var(--primary)}
.hero-img{flex-shrink:0;width:300px}
.hero-img img{width:100%;height:auto;border-radius:24px;box-shadow:0 24px 60px rgba(255,92,138,.28)}
/* ===== 通用区块 ===== */
.section{padding:84px 0}
.section-title{font-size:32px;font-weight:800;color:var(--dark);text-align:center;margin-bottom:14px}
.section-sub{max-width:640px;margin:0 auto 46px;text-align:center;color:var(--muted)}
/* ===== 作品预览 ===== */
.works{background:var(--bg)}
.works-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.works-card,.feature-card,.data-card,.review-card{background:var(--card)}
.works-card,.intro-card,.feature-card,.data-card,.review-card{border:1px solid var(--border);border-radius:var(--radius);transition:transform .25s,box-shadow .25s}
.works-card:hover,.intro-card:hover,.feature-card:hover,.data-card:hover,.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.works-card{overflow:hidden}
.works-card img{width:100%;height:auto}
/* ===== 产品介绍 ===== */
.intro{background:var(--card)}
.intro-desc{max-width:860px;margin:0 auto 40px;text-align:center;color:var(--text)}
.intro-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.intro-card{background:var(--light);padding:28px 24px;text-align:center}
.intro-card .ico{width:50px;height:50px;margin:0 auto 14px;border-radius:14px;background:var(--card);display:flex;align-items:center;justify-content:center}
.intro-card h3,.feature-card h3{font-size:17px;color:var(--dark);margin-bottom:8px}
.intro-card p,.feature-card p{font-size:14px;color:var(--muted)}
/* ===== 核心功能 ===== */
.features{background:var(--bg)}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{padding:28px 26px}
.feature-ico{width:52px;height:52px;border-radius:14px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.feature-ico svg,.intro-card .ico svg{width:26px;height:26px;stroke:var(--primary);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
/* ===== 优势对比 ===== */
.compare{background:var(--card)}
.compare-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.compare-table{width:100%;min-width:680px;border-collapse:collapse}
.compare-table th,.compare-table td{padding:13px 20px;border-bottom:1px solid var(--border);text-align:left;font-size:14px;white-space:nowrap}
.compare-table th{background:var(--dark);color:#fff;font-weight:600}
.compare-table th.ours{background:var(--primary)}
.compare-table th.other{background:#E9E9EE;color:var(--dark)}
.compare-table td:first-child{background:#FFFDFE;color:var(--dark);font-weight:600}
.compare-table td.ours{background:var(--primary-light);color:var(--primary-dark);font-weight:600}
.compare-table td.other{background:#F6F6F8;color:var(--muted)}
.compare-hint{display:none;text-align:center;color:var(--muted);font-size:14px;margin-top:14px}
/* ===== 平台数据 ===== */
.data{background:var(--light)}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.data-card{padding:34px 20px;text-align:center}
.data-num{font-size:42px;font-weight:800;line-height:1.2}
.data-label{margin-top:8px;color:var(--muted);font-size:14px}
/* ===== 用户评价 ===== */
.reviews{background:var(--bg)}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{padding:24px}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.review-avatar{width:44px;height:44px;flex-shrink:0;border-radius:50%;background:var(--grad);color:#fff;font-size:17px;font-weight:700;display:flex;align-items:center;justify-content:center}
.review-meta{display:flex;flex-direction:column;gap:2px}
.review-name{font-size:15px;font-weight:600;color:var(--dark)}
.review-stars{font-size:14px;color:var(--star);letter-spacing:2px}
.review-text{font-size:14px;color:var(--text)}
/* ===== 版本更新 ===== */
.version{background:var(--card)}
.version-card{max-width:760px;margin:0 auto;background:var(--light);border:1px solid var(--border);border-radius:var(--radius);padding:32px 36px}
.version-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.version-no{font-size:28px;font-weight:800;color:var(--dark)}
.version-no em{font-style:normal}
.version-time{font-size:14px;color:var(--muted)}
.version-list li{position:relative;padding-left:22px;margin-bottom:10px;font-size:14px}
.version-list li:last-child{margin-bottom:0}
.version-list li::before{content:"";position:absolute;left:3px;top:9px;width:7px;height:7px;border-radius:50%;background:var(--primary)}
/* ===== FAQ ===== */
.faq{background:var(--bg)}
.faq-list{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:box-shadow .25s}
.faq-item.open{box-shadow:var(--shadow)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 22px;cursor:pointer;font-size:15px;font-weight:600;color:var(--dark);user-select:none}
.faq-q .arr{position:relative;width:20px;height:20px;flex-shrink:0;transition:transform .25s}
.faq-q .arr::before,.faq-q .arr::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-q .arr::before{left:2px;right:2px;top:9px;height:2px}
.faq-q .arr::after{top:2px;bottom:2px;left:9px;width:2px}
.faq-item.open .faq-q .arr{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:300px}
.faq-a p{padding:0 22px 18px;font-size:14px;color:var(--text)}
/* ===== 下载区域 ===== */
.download{padding:92px 0;background:linear-gradient(180deg,var(--light) 0%,var(--bg) 100%);text-align:center}
.download h1{font-size:38px;font-weight:800;color:var(--dark);margin-bottom:16px}
.dl-meta{margin-bottom:30px;font-size:14px;color:var(--muted)}
.dl-btns{display:flex;gap:18px;justify-content:center}
.dl-tip{margin-top:26px;font-size:15px;color:var(--muted)}
/* ===== 页脚 ===== */
.footer{background:var(--dark);color:var(--footer-text);padding:30px 0;text-align:center;font-size:14px}
.footer a{color:#fff}
.footer .copy{margin-top:6px;color:var(--footer-muted)}
/* ===== 返回顶部 ===== */
.back-top{position:fixed;right:24px;bottom:32px;z-index:99;width:44px;height:44px;border:none;border-radius:50%;background:var(--grad);color:#fff;font-size:20px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s,visibility .3s,transform .3s}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{transform:translateY(-3px)}
/* ===== 平板适配 ===== */
@media (max-width:1024px){
  .nav-inner{gap:18px}
  .nav-menu{gap:10px}
  .nav-menu a{font-size:13px}
  .hero-info h1{font-size:36px}
  .hero-img{width:250px}
  .works-grid{grid-template-columns:repeat(2,1fr)}
  .intro-grid,.features-grid,.reviews-grid{grid-template-columns:repeat(2,1fr)}
  .data-grid{grid-template-columns:repeat(2,1fr)}
  .data-num{font-size:36px}
}
/* ===== 移动端适配 ===== */
@media (max-width:768px){
  .container{padding:0 20px}
  .nav-inner{padding:0 20px}
  .nav-menu{display:none}
  .nav-btn{padding:8px 18px;margin-left:auto}
  .section{padding:56px 0}
  .section-title{font-size:26px}
  .section-sub{margin-bottom:34px}
  .hero{padding:106px 0 56px}
  .hero-inner{flex-direction:column;gap:36px}
  .hero-info{max-width:100%;text-align:center}
  .hero-info h1{font-size:30px}
  .hero-tags{justify-content:center}
  .hero-desc{margin:0 auto}
  .hero-btns{flex-direction:column;gap:14px;margin-top:28px}
  .btn{width:100%}
  .hero-img{width:72%;margin:0 auto}
  .works-grid,.intro-grid,.features-grid,.reviews-grid{grid-template-columns:1fr;gap:18px}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .data-num{font-size:32px}
  .compare-table{min-width:620px}
  .compare-hint{display:block}
  .version-card{padding:24px 20px}
  .faq-q{padding:16px 16px}
  .faq-a p{padding:0 16px 16px}
  .download{padding:64px 0}
  .download h1{font-size:28px}
  .dl-meta{font-size:12px;white-space:nowrap}
  .dl-btns{flex-direction:column;gap:14px}
  .back-top{right:16px;bottom:24px}
}