/* R星51cg精选中心 - 站点专属设计系统  hash: kx7q9 */
:root{
  --kx7q9-bg:#0b0a18;
  --kx7q9-bg2:#16142b;
  --kx7q9-fg:#f4f2ff;
  --kx7q9-mut:#9a96b8;
  --kx7q9-pri:#ff5e6d;
  --kx7q9-pri2:#9b6dff;
  --kx7q9-acc:#ffd25a;
  --kx7q9-glass:rgba(255,255,255,.06);
  --kx7q9-bd:rgba(255,255,255,.12);
  --kx7q9-radius:18px;
  --kx7q9-shadow:0 20px 60px -20px rgba(155,109,255,.45);
  --kx7q9-trans:cubic-bezier(.4,.2,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body.kx7q9-body{
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
  background:radial-gradient(1200px 600px at 10% -10%,rgba(255,94,109,.25),transparent 60%),
             radial-gradient(900px 500px at 90% 10%,rgba(155,109,255,.28),transparent 60%),
             var(--kx7q9-bg);
  color:var(--kx7q9-fg);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:14px}
a{color:inherit;text-decoration:none}
.kx7q9-wrap{max-width:1280px;margin:0 auto;padding:0 22px}

/* 顶部导航 */
.kx7q9-nav{position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(160%) blur(16px);-webkit-backdrop-filter:saturate(160%) blur(16px);
  background:rgba(11,10,24,.55);border-bottom:1px solid var(--kx7q9-bd)}
.kx7q9-nav-in{display:flex;align-items:center;gap:22px;padding:14px 22px;max-width:1280px;margin:0 auto}
.kx7q9-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.5px}
.kx7q9-logo svg{width:34px;height:34px}
.kx7q9-menu{display:flex;gap:6px;flex:1;flex-wrap:wrap}
.kx7q9-menu a{padding:8px 14px;border-radius:999px;font-size:14px;color:var(--kx7q9-mut);transition:.25s var(--kx7q9-trans)}
.kx7q9-menu a:hover,.kx7q9-menu a.on{background:linear-gradient(135deg,var(--kx7q9-pri),var(--kx7q9-pri2));color:#fff;box-shadow:var(--kx7q9-shadow)}
.kx7q9-search{position:relative;display:flex;align-items:center;background:var(--kx7q9-glass);border:1px solid var(--kx7q9-bd);border-radius:999px;padding:6px 14px;min-width:240px;transition:.3s var(--kx7q9-trans)}
.kx7q9-search:focus-within{border-color:var(--kx7q9-pri);box-shadow:0 0 0 4px rgba(255,94,109,.18);transform:scale(1.02)}
.kx7q9-search input{flex:1;background:none;border:0;outline:0;color:var(--kx7q9-fg);padding:6px 8px;font-size:14px}
.kx7q9-search button{background:linear-gradient(135deg,var(--kx7q9-pri),var(--kx7q9-pri2));border:0;color:#fff;padding:6px 14px;border-radius:999px;cursor:pointer;font-weight:600}

/* 面包屑 */
.kx7q9-crumb{font-size:13px;color:var(--kx7q9-mut);padding:18px 0}
.kx7q9-crumb a{color:var(--kx7q9-acc)}
.kx7q9-crumb span+span:before{content:"›";margin:0 8px;color:var(--kx7q9-mut)}

/* Hero */
.kx7q9-hero{position:relative;border-radius:28px;overflow:hidden;margin-top:8px;
  background:linear-gradient(135deg,#221b3d,#3b1d4a);border:1px solid var(--kx7q9-bd);box-shadow:var(--kx7q9-shadow)}
.kx7q9-hero img{width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.85}
.kx7q9-hero-in{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;padding:48px;background:linear-gradient(90deg,rgba(11,10,24,.85),transparent 60%)}
.kx7q9-hero h1{font-size:clamp(28px,4.4vw,52px);line-height:1.15;font-weight:900;
  background:linear-gradient(120deg,#fff,#ffd25a 60%,#ff5e6d);-webkit-background-clip:text;background-clip:text;color:transparent}
.kx7q9-hero p{margin-top:14px;color:#e5e1ff;max-width:640px;font-size:15px;line-height:1.7}
.kx7q9-hero .kx7q9-cta{margin-top:22px;display:inline-flex;gap:12px}
.kx7q9-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;cursor:pointer;border:0;transition:.3s var(--kx7q9-trans)}
.kx7q9-btn.pri{background:linear-gradient(135deg,var(--kx7q9-pri),var(--kx7q9-pri2));color:#fff;box-shadow:var(--kx7q9-shadow)}
.kx7q9-btn.gho{background:var(--kx7q9-glass);border:1px solid var(--kx7q9-bd);color:var(--kx7q9-fg)}
.kx7q9-btn:hover{transform:translateY(-2px)}

/* Sections */
.kx7q9-sec{margin:54px 0}
.kx7q9-sec-h{display:flex;align-items:end;justify-content:space-between;margin-bottom:22px}
.kx7q9-sec-h h2{font-size:26px;font-weight:800;letter-spacing:.5px}
.kx7q9-sec-h h2 em{font-style:normal;background:linear-gradient(135deg,var(--kx7q9-pri),var(--kx7q9-acc));-webkit-background-clip:text;background-clip:text;color:transparent}
.kx7q9-sec-h .more{color:var(--kx7q9-mut);font-size:13px}

/* 卡片网格 */
.kx7q9-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.kx7q9-card{position:relative;background:var(--kx7q9-glass);border:1px solid var(--kx7q9-bd);border-radius:var(--kx7q9-radius);overflow:hidden;backdrop-filter:blur(10px);transition:.35s var(--kx7q9-trans)}
.kx7q9-card:hover{transform:translateY(-6px);border-color:rgba(255,94,109,.55);box-shadow:var(--kx7q9-shadow)}
.kx7q9-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.kx7q9-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:.6s var(--kx7q9-trans)}
.kx7q9-card:hover .kx7q9-thumb img{transform:scale(1.08)}
.kx7q9-mask{position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(11,10,24,.85));opacity:0;transition:.3s var(--kx7q9-trans);display:flex;align-items:center;justify-content:center}
.kx7q9-card:hover .kx7q9-mask{opacity:1}
.kx7q9-play{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.18);border:2px solid #fff;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(8px);transform:scale(.8);transition:.3s var(--kx7q9-trans)}
.kx7q9-card:hover .kx7q9-play{transform:scale(1)}
.kx7q9-play:after{content:"";width:0;height:0;border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:5px}
.kx7q9-time{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.65);color:#fff;font-size:12px;padding:3px 8px;border-radius:6px;font-variant-numeric:tabular-nums}
.kx7q9-meta{padding:14px 16px 18px}
.kx7q9-meta h3{font-size:15px;font-weight:700;line-height:1.45;margin-bottom:8px}
.kx7q9-meta p{font-size:13px;color:var(--kx7q9-mut);line-height:1.6}
.kx7q9-tag{display:inline-block;margin-top:10px;font-size:11px;padding:3px 10px;border-radius:999px;background:rgba(255,210,90,.14);color:var(--kx7q9-acc);border:1px solid rgba(255,210,90,.3)}

/* 评论 */
.kx7q9-reviews{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.kx7q9-review{padding:18px;background:var(--kx7q9-glass);border:1px solid var(--kx7q9-bd);border-radius:14px;backdrop-filter:blur(10px)}
.kx7q9-review .n{font-size:13px;color:var(--kx7q9-acc);margin-bottom:6px;font-weight:700}
.kx7q9-review .t{font-size:13px;color:#e5e1ff;line-height:1.6}

/* 联系我们 */
.kx7q9-contact{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
@media(max-width:880px){.kx7q9-contact{grid-template-columns:1fr}}
.kx7q9-contact-card{padding:22px;background:var(--kx7q9-glass);border:1px solid var(--kx7q9-bd);border-radius:18px;backdrop-filter:blur(10px)}
.kx7q9-contact-card h3{margin-bottom:12px;font-size:18px}
.kx7q9-contact-card ul{list-style:none;display:grid;gap:8px;font-size:14px;color:#e5e1ff}
.kx7q9-contact-card li b{color:var(--kx7q9-acc);margin-right:8px}
.kx7q9-share{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.kx7q9-share a{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;background:rgba(255,255,255,.08);border:1px solid var(--kx7q9-bd);border-radius:10px;font-size:12px;color:#fff;transition:.25s}
.kx7q9-share a:hover{background:linear-gradient(135deg,var(--kx7q9-pri),var(--kx7q9-pri2));border-color:transparent}

/* FAQ */
.kx7q9-faq details{background:var(--kx7q9-glass);border:1px solid var(--kx7q9-bd);border-radius:14px;padding:14px 18px;margin-bottom:10px;transition:.3s}
.kx7q9-faq details[open]{border-color:var(--kx7q9-pri);background:rgba(255,94,109,.08)}
.kx7q9-faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}
.kx7q9-faq summary::-webkit-details-marker{display:none}
.kx7q9-faq summary:after{content:"+";font-size:22px;color:var(--kx7q9-acc);transition:.3s}
.kx7q9-faq details[open] summary:after{transform:rotate(45deg)}
.kx7q9-faq p{margin-top:10px;color:var(--kx7q9-mut);line-height:1.7;font-size:14px}

/* footer */
.kx7q9-foot{margin-top:64px;padding:40px 0 24px;border-top:1px solid var(--kx7q9-bd);background:rgba(11,10,24,.6);backdrop-filter:blur(10px)}
.kx7q9-foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
@media(max-width:780px){.kx7q9-foot-grid{grid-template-columns:1fr 1fr}}
.kx7q9-foot h4{font-size:14px;color:var(--kx7q9-acc);margin-bottom:12px}
.kx7q9-foot a,.kx7q9-foot p{color:var(--kx7q9-mut);font-size:13px;line-height:2}
.kx7q9-foot a:hover{color:#fff}
.kx7q9-cp{text-align:center;margin-top:24px;padding-top:18px;border-top:1px solid var(--kx7q9-bd);color:var(--kx7q9-mut);font-size:12px}

/* 顶部 fade-in */
@keyframes kx7q9-fade{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.kx7q9-card,.kx7q9-review{animation:kx7q9-fade .6s var(--kx7q9-trans) both}
.kx7q9-card:nth-child(2){animation-delay:.05s}
.kx7q9-card:nth-child(3){animation-delay:.1s}
.kx7q9-card:nth-child(4){animation-delay:.15s}
.kx7q9-card:nth-child(5){animation-delay:.2s}
.kx7q9-card:nth-child(6){animation-delay:.25s}

@media(max-width:720px){
  .kx7q9-nav-in{flex-wrap:wrap;gap:10px}
  .kx7q9-search{min-width:0;width:100%}
  .kx7q9-hero-in{padding:24px}
  .kx7q9-menu{order:3;width:100%;justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap}
}