/* roulang page: index */
:root{
--c-main:#1d5fd0;
--c-sub:#4a86e8;
--c-bg:#f6f8fc;
--c-ink:#12213a;
--c-dim:#5c6b83;
--c-line:#e2e8f3;
--c-card:#ffffff;
--c-deep:#0d1b33;
--r-lg:18px;
--r-md:12px;
--r-sm:8px;
--sh-1:0 4px 16px rgba(20,45,90,.07);
--sh-2:0 12px 34px rgba(20,45,90,.13);
--sp-1:12px;
--sp-2:24px;
--sp-3:48px;
--sp-4:76px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;background:var(--c-bg);color:var(--c-ink);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit;color:inherit}
.louy-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.louy-head{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line)}
.louy-head-in{display:flex;align-items:center;gap:var(--sp-2);height:70px}
.louy-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.5px;flex-shrink:0}
.louy-logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--c-main),var(--c-sub));color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700}
.louy-nav{margin-left:auto;display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.louy-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:var(--r-sm);font-size:15px;color:var(--c-dim);transition:.2s}
.louy-nav a:hover,.louy-nav a.is-on{color:var(--c-main);background:#edf3ff}
.louy-nav-cta{background:var(--c-main)!important;color:#fff!important;margin-left:8px;font-weight:600}
.louy-nav-cta:hover{background:#164eb0!important}
.louy-hero{position:relative;overflow:hidden;background:var(--c-deep);color:#fff}
.louy-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.38}
.louy-hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(9,20,40,.94) 12%,rgba(9,20,40,.72) 52%,rgba(9,20,40,.42) 100%)}
.louy-hero-in{position:relative;z-index:2;padding:56px 0 64px}
.louy-series-bar{display:flex;gap:10px;overflow-x:auto;padding:10px 0 18px;scrollbar-width:none}
.louy-series-bar::-webkit-scrollbar{display:none}
.louy-series-bar span{flex-shrink:0;font-size:13px;padding:7px 15px;border:1px solid rgba(255,255,255,.26);border-radius:999px;color:#dbe6fb;background:rgba(255,255,255,.06)}
.louy-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:var(--sp-3);align-items:center}
.louy-eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;color:#9fc2ff;text-transform:uppercase;margin-bottom:14px}
.louy-hero h1{font-size:44px;line-height:1.25;font-weight:800;letter-spacing:1px}
.louy-hero h1 em{font-style:normal;color:#7fb0ff}
.louy-hero p{color:#c8d8f2;margin-top:18px;font-size:16px;max-width:600px}
.louy-hero-btns{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.louy-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border-radius:999px;font-weight:600;font-size:15px;transition:.22s;border:1px solid transparent;cursor:pointer}
.louy-btn-main{background:var(--c-main);color:#fff;box-shadow:0 8px 22px rgba(29,95,208,.36)}
.louy-btn-main:hover{background:#164eb0;transform:translateY(-2px)}
.louy-btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.louy-btn-ghost:hover{background:rgba(255,255,255,.12)}
.louy-hero-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-lg);padding:22px;backdrop-filter:blur(6px)}
.louy-panel-title{font-size:14px;color:#9fc2ff;letter-spacing:1px;margin-bottom:14px}
.louy-panel-list{list-style:none;display:grid;gap:10px}
.louy-panel-list li{display:flex;gap:12px;align-items:center;font-size:14px;padding:10px 12px;background:rgba(255,255,255,.07);border-radius:var(--r-sm)}
.louy-panel-list i{font-style:normal;width:22px;height:22px;flex-shrink:0;border-radius:6px;background:rgba(127,176,255,.24);color:#a9c8ff;display:grid;place-items:center;font-size:12px;font-weight:700}
.louy-sec{padding:var(--sp-4) 0}
.louy-sec:nth-of-type(even){background:#fff}
.louy-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-2);margin-bottom:30px;flex-wrap:wrap}
.louy-sec-head h2{font-size:27px;font-weight:800;letter-spacing:.5px}
.louy-sec-head h2 span{color:var(--c-main)}
.louy-sec-head p{color:var(--c-dim);font-size:15px;max-width:760px;margin-top:10px}
.louy-more{font-size:14px;color:var(--c-main);font-weight:600;border-bottom:1px solid rgba(29,95,208,.3);padding-bottom:2px}
.louy-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-2)}
.louy-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sp-2)}
.louy-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.louy-feat{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);transition:.24s}
.louy-feat:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#c9daf7}
.louy-feat-ico{width:44px;height:44px;border-radius:12px;background:#eaf1ff;color:var(--c-main);display:grid;place-items:center;font-weight:800;font-size:17px;margin-bottom:16px}
.louy-feat h3{font-size:18px;margin-bottom:10px;font-weight:700}
.louy-feat p{color:var(--c-dim);font-size:14.5px}
.louy-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-2);counter-reset:step}
.louy-flow li{list-style:none;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px;position:relative}
.louy-flow li::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;top:16px;right:20px;font-size:26px;font-weight:800;color:#e8effc}
.louy-flow h3{font-size:17px;margin-bottom:8px}
.louy-flow p{font-size:14px;color:var(--c-dim)}
.louy-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;list-style:none}
.louy-cards li{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:.24s}
.louy-cards li:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.louy-thumb{position:relative;width:100%;height:150px;overflow:hidden;background:#dfe7f5}
.louy-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.louy-cards li:hover .louy-thumb img{transform:scale(1.06)}
.louy-badge{position:absolute;top:10px;left:10px;background:rgba(13,27,51,.78);color:#fff;font-size:12px;padding:3px 9px;border-radius:999px;letter-spacing:.5px}
.louy-badge-hot{background:var(--c-main)}
.louy-cards-body{padding:14px 16px 18px}
.louy-cards-body h3{font-size:16px;font-weight:700;margin-bottom:6px}
.louy-cards-body p{font-size:13.5px;color:var(--c-dim)}
.louy-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12.5px;color:var(--c-dim)}
.louy-score{color:#e08a12;font-weight:700}
.louy-rank{list-style:none;display:grid;gap:10px}
.louy-rank li{display:grid;grid-template-columns:40px 1fr auto auto;gap:14px;align-items:center;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:14px 18px;transition:.2s}
.louy-rank li:hover{border-color:#c9daf7;background:#fafcff}
.louy-rank b{font-size:15px;font-weight:800;color:#b9c7de}
.louy-rank li:nth-child(-n+3) b{color:var(--c-main)}
.louy-rank-name{font-weight:600;font-size:15px}
.louy-rank-tag{font-size:12px;color:var(--c-main);background:#edf3ff;padding:3px 10px;border-radius:999px}
.louy-rank-val{font-size:13px;color:var(--c-dim);white-space:nowrap}
.louy-tags{display:flex;flex-wrap:wrap;gap:10px;list-style:none}
.louy-tags li{font-size:14px;padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--c-line);color:var(--c-ink)}
.louy-split{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-3);align-items:start}
.louy-news{list-style:none;display:grid;gap:14px}
.louy-news li{display:grid;grid-template-columns:104px 1fr;gap:16px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:12px;transition:.2s}
.louy-news li:hover{border-color:#c9daf7;box-shadow:var(--sh-1)}
.louy-news .louy-thumb{height:70px;border-radius:var(--r-sm)}
.louy-news h3{font-size:15.5px;font-weight:600;margin-bottom:4px}
.louy-news p{font-size:13.5px;color:var(--c-dim)}
.louy-news time{font-size:12.5px;color:#8f9db5}
.louy-quote{background:linear-gradient(135deg,#0d1b33,#1c3a67);color:#fff;border-radius:var(--r-lg);padding:30px}
.louy-quote h3{font-size:19px;margin-bottom:14px}
.louy-quote p{color:#bccfe9;font-size:14.5px}
.louy-quote-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.louy-quote-tags span{font-size:13px;padding:6px 13px;border-radius:999px;background:rgba(255,255,255,.12);color:#dbe6fb}
.louy-note{background:#fff;border-left:4px solid var(--c-main);border-radius:var(--r-md);padding:20px 24px;box-shadow:var(--sh-1);font-size:14.5px;color:var(--c-dim)}
.louy-faq{display:grid;gap:12px}
.louy-faq details{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:16px 20px;box-shadow:var(--sh-1)}
.louy-faq summary{font-weight:700;font-size:15.5px;cursor:pointer;list-style:none}
.louy-faq summary::-webkit-details-marker{display:none}
.louy-faq summary::after{content:"+";float:right;color:var(--c-main);font-weight:700}
.louy-faq details[open] summary::after{content:"−"}
.louy-faq p{margin-top:10px;font-size:14.5px;color:var(--c-dim)}
.louy-cta{background:linear-gradient(120deg,#1d5fd0,#4a86e8);border-radius:var(--r-lg);padding:42px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-2);flex-wrap:wrap;box-shadow:0 18px 40px rgba(29,95,208,.26)}
.louy-cta h2{font-size:26px;margin-bottom:10px}
.louy-cta p{color:#e2edff;font-size:15px;max-width:640px}
.louy-cta .louy-btn{background:#fff;color:var(--c-main);box-shadow:none}
.louy-cta .louy-btn:hover{background:#eef4ff}
.louy-foot{background:var(--c-deep);color:#a8bcd8;padding:56px 0 24px;margin-top:var(--sp-2)}
.louy-foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:var(--sp-2)}
.louy-foot h4{color:#fff;font-size:15px;margin-bottom:14px}
.louy-foot ul{list-style:none;display:grid;gap:9px;font-size:14px}
.louy-foot a:hover{color:#fff}
.louy-foot-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.louy-foot p{font-size:14px;line-height:1.8}
.louy-copy{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.louy-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media(max-width:1024px){
.louy-hero h1{font-size:34px}
.louy-hero-grid{grid-template-columns:1fr;gap:32px}
.louy-cards,.louy-grid-4{grid-template-columns:repeat(3,1fr)}
.louy-flow{grid-template-columns:repeat(2,1fr)}
.louy-foot-grid{grid-template-columns:1fr 1fr}
.louy-split{grid-template-columns:1fr}
.louy-nav a{padding:0 10px;font-size:14px}
}
@media(max-width:768px){
.louy-head-in{height:auto;flex-wrap:wrap;padding:10px 0;gap:6px}
.louy-nav{margin-left:0;width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
.louy-nav a{white-space:nowrap}
.louy-hero h1{font-size:29px}
.louy-hero-in{padding:36px 0 44px}
.louy-sec{padding:52px 0}
.louy-sec-head h2{font-size:22px}
.louy-grid-3,.louy-grid-2,.louy-cards,.louy-grid-4{grid-template-columns:repeat(2,1fr)}
.louy-news li{grid-template-columns:88px 1fr}
.louy-cta{padding:28px}
.louy-cta h2{font-size:21px}
}
@media(max-width:520px){
body{font-size:15px}
.louy-hero h1{font-size:25px}
.louy-cards,.louy-grid-4,.louy-grid-3,.louy-grid-2{grid-template-columns:1fr}
.louy-flow{grid-template-columns:1fr}
.louy-rank li{grid-template-columns:32px 1fr;row-gap:6px}
.louy-rank-tag,.louy-rank-val{grid-column:2}
.louy-news li{grid-template-columns:1fr}
.louy-news .louy-thumb{height:140px}
.louy-foot-grid{grid-template-columns:1fr}
.louy-btn{width:100%}
.louy-faq summary{font-size:14.5px}
}