/* 喵呜漫画 - 共用样式表
   风格：清新活泼 浅蓝+暖粉 渐变，漫阅读类应用调性
*/
:root{
  --primary:#66B2FF;
  --primary-deep:#2F8FE0;
  --accent:#FF8AB0;
  --accent-deep:#E76A95;
  --warm:#FFD582;
  --ink:#2C3142;
  --ink-soft:#5C6275;
  --line:#E5E8F1;
  --bg-soft:#F5F7FB;
  --bg-card:#FFFFFF;
  --shadow:0 10px 30px rgba(56,90,140,.08);
  --shadow-sm:0 4px 14px rgba(56,90,140,.07);
  --radius:14px;
  --radius-lg:22px;
  --maxw:1180px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:#fff;line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary-deep);text-decoration:none;transition:color .15s ease}
a:hover{color:var(--accent-deep)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ============= 顶部导航 ============= */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--ink)}
.brand img{width:38px;height:38px;border-radius:10px;box-shadow:var(--shadow-sm)}
.brand b{font-weight:800;color:var(--ink);letter-spacing:.5px}
.brand small{font-weight:500;color:var(--ink-soft);font-size:12px;margin-left:6px;padding:2px 8px;border:1px solid var(--line);border-radius:999px;background:#FAFBFD}
.nav ul{display:flex;gap:6px;list-style:none}
.nav a.link{padding:8px 14px;border-radius:10px;color:var(--ink-soft);font-size:15px;font-weight:500}
.nav a.link:hover,.nav a.link.active{background:rgba(102,178,255,.12);color:var(--primary-deep)}
.nav-cta{display:none}
@media (max-width:780px){
 .nav ul{display:none}
 .nav-cta{display:inline-flex}
}

/* ============= 按钮 ============= */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;padding:12px 22px;border-radius:999px;border:0;cursor:pointer;font-size:15px;transition:transform .15s ease,box-shadow .2s ease;letter-spacing:.5px}
.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);color:#fff;box-shadow:0 10px 22px rgba(102,178,255,.35)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(102,178,255,.45);color:#fff}
.btn-ghost{background:#fff;color:var(--primary-deep);border:1px solid var(--line)}
.btn-lg{padding:16px 30px;font-size:16px}

/* ============= 通用区块 ============= */
.section{padding:80px 0}
.section.tight{padding:56px 0}
.section h2{font-size:30px;font-weight:800;letter-spacing:.5px;margin-bottom:14px;line-height:1.3}
.section .sub{color:var(--ink-soft);max-width:760px;margin-bottom:40px;font-size:16px}
.eyebrow{display:inline-block;font-size:13px;color:var(--primary-deep);background:rgba(102,178,255,.12);padding:5px 12px;border-radius:999px;margin-bottom:14px;font-weight:600;letter-spacing:.5px}

/* ============= Hero ============= */
.hero{position:relative;padding:72px 0 90px;background:
 radial-gradient(60% 80% at 15% 0%,rgba(102,178,255,.18) 0%,transparent 60%),
 radial-gradient(50% 60% at 100% 30%,rgba(255,138,176,.16) 0%,transparent 60%),
 linear-gradient(180deg,#F7FAFF 0%,#FFFFFF 100%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:46px;line-height:1.18;font-weight:900;letter-spacing:1px;margin-bottom:18px}
.hero h1 .grad{background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .desc{font-size:18px;color:var(--ink-soft);margin-bottom:26px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.tag{font-size:13px;color:var(--primary-deep);background:rgba(102,178,255,.12);padding:6px 12px;border-radius:999px;font-weight:600}
.tag.warm{background:rgba(255,213,130,.25);color:#B07A14}
.tag.pink{background:rgba(255,138,176,.16);color:#C84C7A}
.hero-stats{display:flex;gap:32px;margin-top:36px;padding-top:28px;border-top:1px dashed var(--line)}
.hero-stats .stat strong{display:block;font-size:24px;font-weight:800;color:var(--ink)}
.hero-stats .stat span{font-size:13px;color:var(--ink-soft)}
.hero-art{position:relative;display:flex;justify-content:center}
.hero-art .device{position:relative;width:100%;max-width:380px;border-radius:34px;box-shadow:var(--shadow);background:#fff;padding:14px}
.hero-art .device img{width:100%;border-radius:24px;display:block}
.hero-art .badge{position:absolute;background:#fff;border-radius:14px;padding:10px 14px;box-shadow:var(--shadow);font-size:13px;color:var(--ink);font-weight:600;display:flex;gap:8px;align-items:center}
.hero-art .badge.top{top:8%;left:-18px}
.hero-art .badge.bot{bottom:10%;right:-12px;background:linear-gradient(135deg,var(--warm) 0%,#FFE7B5 100%);color:#8a5b14}
.hero-art .badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}
@media (max-width:880px){
 .hero{padding:48px 0 60px}
 .hero h1{font-size:34px}
 .hero-grid{grid-template-columns:1fr;gap:32px}
 .hero-art .badge{display:none}
}

/* ============= 数据信任条 ============= */
.trust{padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-soft)}
.trust-row{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;text-align:center}
.trust-row .item{display:flex;flex-direction:column;gap:4px}
.trust-row .item b{font-size:24px;font-weight:800;color:var(--primary-deep)}
.trust-row .item span{font-size:13px;color:var(--ink-soft)}
@media (max-width:780px){.trust-row{grid-template-columns:repeat(2,1fr);gap:16px}}

/* ============= 核心卖点 ============= */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:transform .2s ease,box-shadow .2s ease}
.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.feature .icon{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:18px}
.feature h3{font-size:18px;font-weight:700;margin-bottom:8px}
.feature p{font-size:14px;color:var(--ink-soft);line-height:1.7}
@media (max-width:880px){.feature-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.feature-grid{grid-template-columns:1fr}}

/* ============= 截图 Gallery ============= */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.gallery .shot{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);background:#f0f3fa;aspect-ratio:3/5.4;display:flex;align-items:center;justify-content:center}
.gallery .shot img{width:100%;height:100%;object-fit:cover}
.gallery .shot .label{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.94);color:var(--ink);padding:6px 10px;border-radius:8px;font-size:12px;font-weight:600;box-shadow:var(--shadow-sm)}
@media (max-width:880px){.gallery{grid-template-columns:repeat(2,1fr)}}

/* ============= 深度模块入口 ============= */
.deep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.deep{position:relative;display:block;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px 26px;transition:transform .2s ease,box-shadow .2s ease;color:inherit}
.deep:hover{transform:translateY(-4px);box-shadow:var(--shadow);color:inherit}
.deep .num{font-size:13px;color:var(--accent-deep);font-weight:700;margin-bottom:10px;letter-spacing:1px}
.deep h3{font-size:22px;font-weight:800;margin-bottom:10px}
.deep p{font-size:14px;color:var(--ink-soft);margin-bottom:18px;line-height:1.8}
.deep .more{color:var(--primary-deep);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.deep .deco{position:absolute;right:-30px;bottom:-30px;width:160px;height:160px;border-radius:50%;background:radial-gradient(closest-side,rgba(102,178,255,.18),transparent 70%);pointer-events:none}
@media (max-width:880px){.deep-grid{grid-template-columns:1fr}}

/* ============= 真实评价 ============= */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.review{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative}
.review::before{content:'"';position:absolute;left:18px;top:-6px;font-size:64px;color:rgba(255,138,176,.35);font-family:Georgia,serif;line-height:1}
.review .quote{padding-top:14px;font-size:15px;color:var(--ink);margin-bottom:14px;line-height:1.85}
.review .who{display:flex;align-items:center;gap:10px}
.review .avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px}
.review .who b{font-size:14px;color:var(--ink)}
.review .who span{font-size:12px;color:var(--ink-soft);margin-left:6px}
.review .stars{color:#FFB94B;letter-spacing:1px;font-size:14px}
@media (max-width:680px){.review-grid{grid-template-columns:1fr}}

/* ============= FAQ 速览 ============= */
.faq-list{max-width:840px;margin:0 auto}
details.faq{background:var(--bg-card);border:1px solid var(--line);border-radius:12px;padding:14px 20px;margin-bottom:12px;transition:box-shadow .2s ease}
details.faq[open]{box-shadow:var(--shadow-sm);border-color:rgba(102,178,255,.35)}
details.faq summary{cursor:pointer;font-weight:600;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center;color:var(--ink)}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-size:22px;color:var(--primary-deep);font-weight:300;transition:transform .2s ease}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq .answer{padding-top:10px;color:var(--ink-soft);font-size:14px;line-height:1.85}

/* ============= 下载条 ============= */
.cta-strip{padding:60px 0;background:
 radial-gradient(80% 100% at 0% 0%,rgba(102,178,255,.18),transparent 60%),
 radial-gradient(80% 100% at 100% 100%,rgba(255,138,176,.18),transparent 60%),
 #F5F8FE}
.cta-strip .box{display:flex;align-items:center;justify-content:space-between;gap:30px;background:#fff;border-radius:var(--radius-lg);padding:34px 40px;box-shadow:var(--shadow);border:1px solid var(--line)}
.cta-strip h3{font-size:24px;margin-bottom:6px;font-weight:800}
.cta-strip p{color:var(--ink-soft)}
@media (max-width:780px){.cta-strip .box{flex-direction:column;text-align:center;padding:28px 22px}}

/* ============= 内页内容容器 ============= */
.page-hero{padding:64px 0 30px;background:linear-gradient(180deg,#F4F8FF 0%,#FFFFFF 100%);border-bottom:1px solid var(--line)}
.page-hero .crumbs{font-size:13px;color:var(--ink-soft);margin-bottom:14px}
.page-hero .crumbs a{color:var(--ink-soft)}
.page-hero h1{font-size:38px;font-weight:900;line-height:1.2;margin-bottom:14px;letter-spacing:.5px}
.page-hero h1 .grad{background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero p{color:var(--ink-soft);font-size:17px;max-width:780px}
@media (max-width:680px){.page-hero h1{font-size:28px}}

.article{max-width:860px;margin:0 auto;padding:60px 24px 80px}
.article h2{font-size:24px;font-weight:800;margin:34px 0 14px;color:var(--ink);scroll-margin-top:90px}
.article h2:first-of-type{margin-top:8px}
.article h3{font-size:18px;font-weight:700;margin:22px 0 10px;color:var(--primary-deep)}
.article p{margin-bottom:16px;color:var(--ink);font-size:15.5px;line-height:1.95}
.article ul,.article ol{margin:10px 0 18px 22px;color:var(--ink);font-size:15.5px;line-height:1.95}
.article li{margin-bottom:8px}
.article blockquote{margin:18px 0;padding:14px 20px;background:linear-gradient(135deg,rgba(102,178,255,.08),rgba(255,138,176,.08));border-left:3px solid var(--primary-deep);color:var(--ink);border-radius:0 12px 12px 0;font-size:15px}
.article .tip{display:flex;gap:10px;background:#FFF8EE;border:1px solid #F3E1B7;padding:14px 18px;border-radius:12px;color:#8a5b14;margin:18px 0;font-size:14.5px}
.article .tip b{color:#5b3e0e}
.article a{color:var(--primary-deep);border-bottom:1px dashed rgba(47,143,224,.4)}
.article a:hover{border-bottom-style:solid}
.step-box{counter-reset:step;margin:18px 0 26px}
.step{display:flex;gap:18px;background:#FAFBFD;border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:14px;counter-increment:step}
.step::before{content:counter(step);flex:0 0 auto;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px}
.step .txt h4{font-size:16px;font-weight:700;margin-bottom:6px;color:var(--ink)}
.step .txt p{font-size:14.5px;color:var(--ink-soft);line-height:1.8;margin:0}
.feat-card{display:grid;grid-template-columns:130px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin-bottom:18px;align-items:center}
.feat-card .ico{width:90px;height:90px;border-radius:18px;background:linear-gradient(135deg,rgba(102,178,255,.18),rgba(255,138,176,.18));display:flex;align-items:center;justify-content:center;color:var(--primary-deep)}
.feat-card h3{font-size:18px;font-weight:800;margin-bottom:6px}
.feat-card .meta{font-size:12.5px;color:var(--primary-deep);background:rgba(102,178,255,.12);padding:3px 10px;border-radius:999px;display:inline-block;margin-bottom:10px;font-weight:700}
.feat-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.8;margin:0}
@media (max-width:680px){.feat-card{grid-template-columns:1fr;text-align:center}}

/* ============= Footer ============= */
.site-footer{background:#1B2030;color:#C9CFDD;padding:54px 0 26px;margin-top:60px}
.site-footer .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:30px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;letter-spacing:.5px}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:8px;font-size:14px}
.site-footer a{color:#A6AFC2}
.site-footer a:hover{color:#fff}
.site-footer .disclaimer{font-size:13px;color:#9AA3B7;line-height:1.85;background:#232839;padding:16px 18px;border-radius:12px;margin-bottom:22px}
.site-footer .copyright{font-size:13px;color:#7E879D;border-top:1px solid #2B3142;padding-top:18px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
@media (max-width:780px){.site-footer .grid{grid-template-columns:1fr 1fr;gap:24px}}
@media (max-width:480px){.site-footer .grid{grid-template-columns:1fr}}

/* ============= 杂项 ============= */
::selection{background:rgba(255,138,176,.4);color:#fff}
.fade-in{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}
.menu-toggle{display:none;background:none;border:0;width:38px;height:38px;color:var(--ink-soft);cursor:pointer}
@media (max-width:780px){
 .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
 .nav.open ul{display:flex;flex-direction:column;position:absolute;top:68px;left:0;right:0;background:#fff;padding:14px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
}