/* ==========================================================================
   batoto漫画  ·  主题站群样式表  v1.0
   纯本地、无外链。设计系统：纸感米白 + 紫罗兰品牌色 + 暖橙CTA
   ========================================================================== */

:root{
  --ink:#23202B;
  --ink-soft:#5A5168;
  --ink-mute:#8A8398;
  --paper:#FAF7F2;
  --paper-2:#F2EBDC;
  --card:#FFFFFF;
  --brand:#5B3DF5;
  --brand-2:#8B5CF6;
  --accent:#FF6B4A;
  --accent-2:#FFB020;
  --line:#EDE6DA;
  --line-strong:#D9CFB8;
  --grad-hero:linear-gradient(135deg,#1B1140 0%,#3B25A0 50%,#6E4DF5 100%);
  --grad-cta:linear-gradient(135deg,#FF6B4A 0%,#FFB020 100%);
  --grad-card:linear-gradient(135deg,#FFFFFF 0%,#FBF6EC 100%);
  --shadow:0 10px 28px rgba(36,28,72,.08);
  --shadow-strong:0 22px 60px rgba(36,28,72,.18);
  --radius:18px;
  --radius-lg:28px;
  --container:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.7;color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent)}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 通用按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:700;font-size:15px;
  letter-spacing:.5px;cursor:pointer;transition:transform .15s,box-shadow .15s,filter .15s;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 12px 28px rgba(255,107,74,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,107,74,.40);color:#fff}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff}
.btn-sm{padding:10px 20px;font-size:14px}
.btn svg{width:18px;height:18px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,247,242,.88);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:800}
.brand img{width:44px;height:44px;border-radius:12px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:19px;letter-spacing:.5px}
.brand-text span{font-size:11px;color:var(--ink-mute);letter-spacing:1px}
.nav-links{margin-left:auto;display:flex;gap:6px;align-items:center}
.nav-links a{padding:9px 16px;border-radius:10px;color:var(--ink-soft);font-weight:600;font-size:15px}
.nav-links a:hover{background:var(--paper-2);color:var(--ink)}
.nav-links a.active{background:var(--ink);color:#fff}
.nav-cta{padding:10px 18px;font-size:14px}
.menu-toggle{display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;background:var(--paper-2)}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink);margin:5px auto;transition:.2s}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--grad-hero);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 12% 18%, rgba(255,255,255,.10) 0, transparent 35%),
  radial-gradient(circle at 88% 80%, rgba(255,176,32,.18) 0, transparent 40%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:64px 0 96px;position:relative;z-index:1}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);font-size:13px;font-weight:600;letter-spacing:1px}
.hero-eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 12px var(--accent-2)}
.hero h1{font-size:48px;line-height:1.18;font-weight:800;margin:18px 0 14px;letter-spacing:-.5px}
.hero h1 .hl{background:linear-gradient(90deg,#FFB020,#FF6B4A);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:rgba(255,255,255,.82);max-width:560px}
.hero-cta{display:flex;gap:14px;margin:30px 0 22px;flex-wrap:wrap}
.hero-cta .meta{font-size:13px;color:rgba(255,255,255,.70);margin-top:6px;display:flex;gap:18px;flex-wrap:wrap}
.hero-cta .meta strong{color:#fff;font-weight:700}

.trust-row{display:flex;gap:24px;flex-wrap:wrap;margin-top:32px}
.trust-row .chip{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  padding:10px 16px;border-radius:14px;font-size:13px;font-weight:600;color:rgba(255,255,255,.86);
  display:flex;align-items:center;gap:8px}
.trust-row .chip b{font-size:18px;color:#FFB020;font-weight:800}

/* hero visual */
.hero-visual{position:relative;height:560px;display:flex;justify-content:center;align-items:center}
.hero-visual .stack{position:absolute;border-radius:36px;overflow:hidden;box-shadow:var(--shadow-strong);
  background:#0F0A26;border:8px solid #0F0A26}
.hero-visual .main{width:280px;height:498px;transform:rotate(-3deg)}
.hero-visual .sec{width:170px;height:302px;top:18px;left:-30px;transform:rotate(-12deg);opacity:.92}
.hero-visual .tri{width:170px;height:302px;bottom:14px;right:-30px;transform:rotate(10deg);opacity:.92}
.hero-visual img{width:100%;height:100%;object-fit:cover;border-radius:28px;display:block}

/* 数据带 */
.stats{padding:60px 0;border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-num{font-size:42px;font-weight:800;color:var(--brand);letter-spacing:-1px}
.stat-num small{font-size:18px;color:var(--ink-mute);font-weight:600;margin-left:6px}
.stat-label{font-size:14px;color:var(--ink-soft);margin-top:6px}

/* 通用 section */
.section{padding:80px 0}
.section.tight{padding:56px 0}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--brand);
  text-transform:uppercase;font-weight:700;margin-bottom:14px}
.section-head{text-align:center;max-width:720px;margin:0 auto 48px}
.section-head h2{font-size:34px;font-weight:800;line-height:1.25;margin-bottom:12px;color:var(--ink)}
.section-head p{font-size:16px;color:var(--ink-soft)}

/* 核心卖点 */
.features{background:linear-gradient(180deg,var(--paper) 0%,#F2EBDC 100%)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--card);padding:32px;border-radius:var(--radius-lg);border:1px solid var(--line);
  box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-strong)}
.feature-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#5B3DF5 0%,#8B5CF6 100%);color:#fff;margin-bottom:18px}
.feature-icon svg{width:26px;height:26px}
.feature-card h3{font-size:19px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.feature-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.7}

/* 截图 gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.gallery .item{position:relative;border-radius:22px;overflow:hidden;background:var(--ink);aspect-ratio:9/16;
  border:1px solid var(--line);box-shadow:var(--shadow)}
.gallery .item img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery .item:hover img{transform:scale(1.05)}
.gallery .item .cap{position:absolute;left:0;right:0;bottom:0;padding:18px 16px;color:#fff;font-size:13px;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.75));font-weight:600}

/* 深度内容入口 */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{position:relative;padding:32px;border-radius:var(--radius-lg);
  background:var(--grad-card);border:1px solid var(--line);box-shadow:var(--shadow);
  display:flex;flex-direction:column;min-height:240px;transition:transform .2s,box-shadow .2s}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-strong);color:inherit}
.entry-card .tag{display:inline-block;padding:5px 12px;border-radius:999px;
  background:rgba(91,61,245,.10);color:var(--brand);font-size:12px;font-weight:700;letter-spacing:1px;margin-bottom:14px}
.entry-card h3{font-size:22px;font-weight:800;margin-bottom:10px;color:var(--ink)}
.entry-card p{color:var(--ink-soft);font-size:14.5px;flex:1}
.entry-card .more{margin-top:18px;color:var(--brand);font-weight:700;font-size:14px;display:flex;align-items:center;gap:6px}

/* 用户评价 */
.reviews{background:linear-gradient(180deg,var(--paper) 0%,#FFFDF7 100%)}
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review{background:var(--card);padding:28px;border-radius:var(--radius-lg);border:1px solid var(--line);
  box-shadow:var(--shadow);display:flex;flex-direction:column}
.review .stars{color:var(--accent-2);font-size:18px;letter-spacing:2px;margin-bottom:10px}
.review blockquote{font-size:15.5px;line-height:1.75;color:var(--ink);margin-bottom:18px}
.review .who{display:flex;align-items:center;gap:12px;border-top:1px dashed var(--line);padding-top:14px}
.review .avatar{width:40px;height:40px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.review .who small{display:block;color:var(--ink-mute);font-size:12px;margin-top:2px}

/* FAQ 速览 */
.faq-list{max-width:820px;margin:0 auto}
.faq-list details{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:14px;
  padding:18px 22px;transition:box-shadow .2s}
.faq-list details[open]{box-shadow:var(--shadow)}
.faq-list summary{cursor:pointer;font-weight:700;color:var(--ink);list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";font-size:22px;color:var(--brand);transition:transform .2s;font-weight:600}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list .answer{padding-top:14px;color:var(--ink-soft);font-size:15px;line-height:1.75}

/* CTA band */
.cta-band{padding:90px 0;background:var(--grad-hero);color:#fff;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 40%,rgba(255,176,32,.18),transparent 50%);pointer-events:none}
.cta-band h2{font-size:36px;font-weight:800;margin-bottom:14px;position:relative}
.cta-band p{font-size:17px;color:rgba(255,255,255,.82);max-width:620px;margin:0 auto 28px;position:relative}
.cta-band .actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}

/* footer */
.site-footer{background:#16132A;color:#E7E3EE;padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.5px}
.site-footer ul{list-style:none}
.site-footer ul li{margin-bottom:10px}
.site-footer ul li a{color:#B7B0CC;font-size:14px}
.site-footer ul li a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand img{width:48px;height:48px;border-radius:14px}
.footer-brand strong{font-size:20px;color:#fff;display:block;line-height:1.1}
.footer-brand span{font-size:12px;color:#8C8499;letter-spacing:1px}
.footer-brand p{color:#B7B0CC;font-size:14px;margin-top:14px;line-height:1.7}
.disclaimer{border-top:1px solid #2A2545;padding-top:22px;color:#8C8499;font-size:13px;line-height:1.7}
.copyright{margin-top:14px;color:#8C8499;font-size:12.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* 内页正文 */
.article-hero{padding:80px 0 40px;background:var(--grad-hero);color:#fff;position:relative;overflow:hidden}
.article-hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 85% 20%, rgba(255,176,32,.18),transparent 40%);pointer-events:none}
.article-hero h1{font-size:42px;line-height:1.2;font-weight:800;max-width:760px;margin:14px 0 16px;letter-spacing:-.5px}
.article-hero p{font-size:17px;color:rgba(255,255,255,.82);max-width:680px}
.breadcrumb{padding:18px 0;font-size:13px;color:var(--ink-mute);border-bottom:1px solid var(--line)}
.breadcrumb a{color:var(--ink-soft)}
.breadcrumb span{margin:0 8px;color:var(--ink-mute)}
.article-body{max-width:880px;margin:0 auto;padding:60px 24px}
.article-body h2{font-size:26px;font-weight:800;margin:38px 0 16px;color:var(--ink);
  position:relative;padding-left:14px}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,#5B3DF5,#FF6B4A)}
.article-body h3{font-size:20px;font-weight:700;margin:28px 0 12px;color:var(--ink)}
.article-body p{font-size:16px;line-height:1.85;color:var(--ink);margin-bottom:18px}
.article-body ul,.article-body ol{margin:0 0 20px 22px}
.article-body li{font-size:15.5px;line-height:1.85;color:var(--ink);margin-bottom:8px}
.article-body .callout{padding:18px 22px;border-radius:14px;background:linear-gradient(135deg,#F2EBDC,#FFF7E6);
  border:1px solid #E8DCBF;color:#4A3B12;font-size:14.5px;margin:24px 0}
.article-body .step{display:flex;gap:18px;padding:22px 24px;border-radius:16px;background:var(--card);
  border:1px solid var(--line);margin:18px 0;box-shadow:var(--shadow)}
.article-body .step .no{flex:0 0 44px;height:44px;border-radius:14px;background:var(--grad-cta);color:#fff;
  font-weight:800;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 8px 20px rgba(255,107,74,.32)}
.article-body .step h4{margin-bottom:6px;font-size:17px;font-weight:800;color:var(--ink)}
.article-body .step p{font-size:14.5px;color:var(--ink-soft);margin:0}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px;background:var(--card);
  border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--paper-2);font-weight:700;color:var(--ink)}

/* 内页正文导航（侧边目录/上一篇下一篇） */
.article-grid{display:grid;grid-template-columns:1fr;gap:0;max-width:980px;margin:0 auto;padding:48px 24px 80px}
.related{padding:60px 0;background:linear-gradient(180deg,var(--paper) 0%,#FFFDF7 100%)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related a{display:flex;flex-direction:column;padding:24px;border-radius:18px;background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow);color:var(--ink);transition:transform .2s,box-shadow .2s}
.related a:hover{transform:translateY(-4px);box-shadow:var(--shadow-strong);color:var(--ink)}
.related a small{font-size:12px;color:var(--brand);font-weight:700;letter-spacing:1.5px;margin-bottom:8px}
.related a strong{font-size:17px;font-weight:800;margin-bottom:6px}
.related a span{font-size:14px;color:var(--ink-soft)}

/* 渐入动画 */
.fade-up{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.fade-up.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .hero h1{font-size:38px}
  .hero-grid{grid-template-columns:1fr;gap:32px;padding:48px 0 72px}
  .hero-visual{height:460px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .entry-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section-head h2{font-size:28px}
  .article-hero h1{font-size:32px}
  .article-grid{padding:32px 24px 60px}
}
@media (max-width:620px){
  .container{padding:0 18px}
  .nav{height:64px}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;padding:12px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:14px 18px}
  .nav-cta{display:none}
  .menu-toggle{display:block}
  .hero h1{font-size:30px}
  .hero p.lead{font-size:15.5px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .hero-visual{height:380px}
  .hero-visual .main{width:220px;height:392px}
  .hero-visual .sec,.hero-visual .tri{width:130px;height:230px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-num{font-size:30px}
  .feature-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr);gap:14px}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .article-hero h1{font-size:26px}
  .article-body{padding:40px 18px}
  .related-grid{grid-template-columns:1fr}
  .copyright{flex-direction:column}
}