:root{
  --bg:#f3f5fb;
  --card:#fff;
  --ink:#0f172a;
  --muted:#64748b;
  --line:rgba(15,23,42,.08);
  --navy:#07111f;
  --accent:#ff5a1f;
  --shadow:0 12px 24px rgba(15,23,42,.07);
  --radius:18px;
  --max:1180px;
  --header-h:72px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Noto Sans SC,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;border:0;background:none;cursor:pointer;}
.sw-wrap{
  width:min(var(--max),calc(100% - 32px));
  margin:0 auto;
}
/*头部导航 */
.sw-top{
  position:sticky;top:0;z-index:50;
  height:var(--header-h);
  background:var(--navy);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.sw-top-in{
  height:100%;
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:nowrap; /*禁止flex子项换行 */
}
.sw-brand{
  display:flex;
  align-items:center;
  gap:8px;
  color:#fff;
  font-weight:bold;
  font-size:22px;
  white-space:nowrap;
  flex-shrink:0; /*禁止logo文字被压缩 */
}
.sw-brand-mark{
  width:34px;height:34px;border-radius:10px;
}
.sw-menu{
  display:flex;
  gap:6px;
  flex:1;
  min-width:0;
}
.sw-menu a{
  color:rgba(255,255,255,.7);
  padding:8px 12px;
  border-radius:999px;
  font-size:14px;
}
.sw-menu a.sw-on,.sw-menu a:hover{
  color:#fff;background:rgba(255,255,255,.08);
}
.sw-top-act{
  margin-left:auto;
  display:flex; /*内部按钮横向排列 */
  align-items:center;
  gap:10px;
  flex-shrink:0; /*整个右侧容器禁止压缩 */
}
.sw-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  padding:9px 16px;
  color:#fff;
  background:linear-gradient(90deg,#ff7a18,#ff4d4d);
  font-weight:bold;
  font-size:14px;
  flex-shrink:0; /*按钮禁止缩小挤压 */
}
.sw-btn-lg{padding:14px 24px;font-size:16px;border-radius:14px;}
.sw-burger{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  background:rgba(255,255,255,.08);
  color:#fff;
  flex-shrink:0; /*汉堡按钮禁止压缩 */
}
/* 首页hero区块 */
.sw-hero{
  padding:60px 0 80px;color:#fff;
  background:linear-gradient(160deg,#07111f,#13233b);
}
.sw-hero h1{font-size:clamp(28px,4vw,48px);margin-bottom:12px;line-height:1.2;}
.sw-hero-sub{max-width:620px;color:rgba(255,255,255,.7);font-size:17px;margin-bottom:24px;}
.sw-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0 32px;
}
.sw-stat{
  padding:14px;border-radius:16px;background:rgba(255,255,255,.06);
}
.sw-stat b{display:block;font-size:26px;color:#fff;}
.sw-stat span{font-size:13px;color:rgba(255,255,255,.6);}
/*通用区块 */
.sw-sec{padding:60px 0;}
.sw-sec-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:24px;}
.sw-sec-head h2{font-size:28px;}
.sw-en{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:0.08em;}
/*漫画卡片 */
.sw-g3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.sw-g6{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
.sw-card{
  background:var(--card);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
}
.sw-cover{
  position:relative;aspect-ratio:3/4;overflow:hidden;
}
/*遮罩层，图片全部写HTML img */
.sw-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 32%,rgba(0,0,0,.65));
  z-index:1;pointer-events:none;
}
.sw-cover-img{
  width:100%;height:100%;object-fit:cover;display:block;
}
.sw-badge{
  position:absolute;z-index:2;top:12px;left:12px;
  background:#ff3b30;color:#fff;font-size:11px;padding:4px 9px;border-radius:999px;
}
.sw-score{
  position:absolute;z-index:2;top:12px;right:12px;
  background:#ffd166;color:#111;font-weight:bold;font-size:12px;padding:3px 7px;border-radius:7px;
}
.sw-ctitle{
  position:absolute;z-index:2;left:14px;bottom:14px;
  color:#fff;font-weight:bold;font-size:17px;text-shadow:0 4px 12px rgba(0,0,0,.4);
}
.sw-cbody{padding:18px;}
.sw-cbody h3{font-size:16px;margin-bottom:6px;}
.sw-dim{color:var(--muted);font-size:13px;}
.sw-meta{display:flex;justify-content:space-between;margin-top:8px;color:var(--muted);font-size:13px;}
/*子页面hero */
.sw-phero{padding:40px 0 20px;background:#eef2ff;}
.sw-phero h1{font-size:34px;margin-bottom:6px;}
.sw-lead{max-width:700px;color:var(--muted);margin-top:10px;}
/*文章、faq */
.sw-article{background:#fff;padding:28px;border-radius:var(--radius);box-shadow:var(--shadow);}
.sw-faq details{
  background:#fff;padding:16px;border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:10px;
}
/*页脚 */
.sw-foot{background:var(--navy);color:rgba(255,255,255,.7);padding:40px 0 24px;}
.sw-fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:22px;}
.sw-foot h4{color:#fff;margin-bottom:10px;}
.sw-foot a{display:block;margin:6px 0;color:rgba(255,255,255,.65);}
.sw-copy{margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;}
/*响应式 */
@media(max-width:900px){
  .sw-menu{display:none;}
  .sw-menu.sw-open{
    display:flex;position:absolute;top:var(--header-h);left:0;right:0;
    background:var(--navy);flex-direction:column;padding:12px;
  }
  .sw-burger{display:grid;place-items:center;}
  /*移动端缩小头部间隙 */
  .sw-top-in{
    gap:12px;
  }
  /*移动端缩小下载按钮 */
  .sw-top-act .sw-btn{
    padding:7px 9px;
    font-size:12px;
  }
  .sw-stats,.sw-g3,.sw-g6,.sw-fgrid{grid-template-columns:1fr;}
}