/* roulang page: index */
:root{
--lfr-brand:#1e50c8;
--lfr-deep:#142a63;
--lfr-warm:#e39a2b;
--lfr-bg:#f4f7fc;
--lfr-ink:#131e2e;
--lfr-mute:#66748c;
--lfr-line:#e1e7f2;
--lfr-rad:14px;
--lfr-shadow:0 6px 24px rgba(20,44,96,.09);
}
*{box-sizing:border-box}
body{margin:0;background:var(--lfr-bg);color:var(--lfr-ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,li{margin:0;padding:0}
ul{list-style:none}
.lfr-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* 顶栏 */
.lfr-head{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--lfr-line)}
.lfr-head-in{display:flex;align-items:center;gap:18px;min-height:66px;max-width:1180px;margin:0 auto;padding:0 20px}
.lfr-logo{display:flex;align-items:center;gap:10px;min-height:44px;font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.lfr-logo i{display:grid;place-items:center;width:33px;height:33px;border-radius:10px;background:linear-gradient(135deg,var(--lfr-brand),#4f83f2);color:#fff;font-style:normal;font-size:15px;font-weight:700}
.lfr-nav{margin-left:auto;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.lfr-nav::-webkit-scrollbar{display:none}
.lfr-nav a{display:flex;align-items:center;min-height:44px;padding:10px 14px;border-radius:10px;font-size:14px;color:var(--lfr-mute);transition:background .2s,color .2s}
.lfr-nav a:hover{background:#eef3fd;color:var(--lfr-brand)}
.lfr-nav a.lfr-on{background:#eef3fd;color:var(--lfr-brand);font-weight:700}

/* 首屏 */
.lfr-hero{position:relative;isolation:isolate;background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;color:#fff}
.lfr-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(9,20,44,.94) 0%,rgba(9,20,44,.8) 46%,rgba(9,20,44,.45) 100%)}
.lfr-hero-in{display:grid;grid-template-columns:1.35fr .85fr;gap:46px;align-items:center;max-width:1180px;margin:0 auto;padding:62px 20px 66px}
.lfr-ava{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;font-size:23px;font-weight:800;background:linear-gradient(135deg,var(--lfr-brand),#6a95f6);border:2px solid rgba(255,255,255,.4);margin-bottom:20px}
.lfr-hero h1{font-size:38px;line-height:1.24;letter-spacing:-.6px;font-weight:800}
.lfr-hero h1 em{font-style:normal;color:#ffd479}
.lfr-hero .lfr-sub{margin-top:12px;font-size:17px;color:#c6d5ef}
.lfr-hero .lfr-lead{margin-top:16px;max-width:620px;font-size:15px;line-height:1.9;color:#a9bad6}
.lfr-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.lfr-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:11px;font-size:15px;font-weight:700;background:var(--lfr-brand);color:#fff;box-shadow:0 10px 22px rgba(30,80,200,.38);transition:transform .2s,box-shadow .2s,background .2s}
.lfr-btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(30,80,200,.45)}
.lfr-btn-ghost{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.36);box-shadow:none}
.lfr-btn-ghost:hover{background:rgba(255,255,255,.24)}
.lfr-badges{display:grid;gap:6px;padding:22px 24px;border-radius:18px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(6px)}
.lfr-badges li{display:flex;gap:12px;padding:9px 0;font-size:14px;color:#cad8ef;line-height:1.65}
.lfr-badges b{display:block;font-size:15.5px;color:#fff;margin-bottom:2px}
.lfr-badges .lfr-dot{flex:0 0 auto;width:8px;height:8px;margin-top:8px;border-radius:50%;background:var(--lfr-warm)}

/* 通用板块 */
.lfr-sec{padding:54px 0}
.lfr-alt{background:#fff;border-top:1px solid var(--lfr-line);border-bottom:1px solid var(--lfr-line)}
.lfr-shead{margin-bottom:26px}
.lfr-shead h2{font-size:24px;font-weight:800;letter-spacing:-.3px}
.lfr-shead p{margin-top:9px;max-width:760px;font-size:14px;color:var(--lfr-mute);line-height:1.85}

/* 分类频道 */
.lfr-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.lfr-cat{background:#fff;border:1px solid var(--lfr-line);border-radius:var(--lfr-rad);padding:20px 22px;box-shadow:var(--lfr-shadow);transition:transform .22s,box-shadow .22s}
.lfr-cat:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(20,44,96,.14)}
.lfr-cat h3{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:800}
.lfr-cat h3::before{content:"";width:6px;height:17px;border-radius:3px;background:var(--lfr-brand)}
.lfr-cat p{margin-top:10px;font-size:14px;color:var(--lfr-mute);line-height:1.8}

/* 卡片墙 */
.lfr-grid{display:grid;gap:20px}
.lfr-g4{grid-template-columns:repeat(4,1fr)}
.lfr-card{background:#fff;border:1px solid var(--lfr-line);border-radius:var(--lfr-rad);overflow:hidden;box-shadow:var(--lfr-shadow);transition:transform .25s,box-shadow .25s}
.lfr-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(20,44,96,.16)}
.lfr-poster{position:relative;aspect-ratio:2/3;background:#dce4f2;overflow:hidden}
.lfr-poster img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.lfr-card:hover .lfr-poster img{transform:scale(1.05)}
.lfr-tag{position:absolute;top:10px;left:10px;padding:3px 9px;border-radius:6px;background:rgba(15,26,48,.8);color:#fff;font-size:12px;font-weight:700}
.lfr-rate{position:absolute;right:10px;bottom:10px;padding:3px 9px;border-radius:6px;background:var(--lfr-warm);color:#2b1a00;font-size:13px;font-weight:800}
.lfr-cbody{padding:12px 14px 16px}
.lfr-cbody h3{font-size:15px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lfr-cbody p{margin-top:6px;font-size:13.5px;color:var(--lfr-mute);line-height:1.65}

/* 本周主推 */
.lfr-feature{position:relative;isolation:isolate;overflow:hidden;border-radius:18px;padding:50px 42px;color:#fff;background:url(/assets/images/backpic/back-6.webp) center/cover no-repeat;box-shadow:var(--lfr-shadow)}
.lfr-feature::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(10,20,42,.92),rgba(10,20,42,.62))}
.lfr-feature span{display:inline-block;padding:4px 12px;border-radius:20px;background:rgba(255,255,255,.16);font-size:12.5px;font-weight:700;letter-spacing:.5px}
.lfr-feature h2{margin-top:16px;font-size:26px;line-height:1.4;font-weight:800}
.lfr-feature p{margin-top:12px;max-width:660px;font-size:14.5px;line-height:1.9;color:#c2d1ea}

/* 排行榜 */
.lfr-rank{display:grid;grid-template-columns:repeat(2,1fr);gap:0 30px;padding:20px 26px;background:#fff;border:1px solid var(--lfr-line);border-radius:var(--lfr-rad);box-shadow:var(--lfr-shadow)}
.lfr-rank li{display:flex;align-items:center;gap:14px;min-height:48px;padding:10px 0;border-bottom:1px dashed var(--lfr-line)}
.lfr-rank li:nth-last-child(-n+2){border-bottom:0}
.lfr-no{flex:0 0 auto;display:grid;place-items:center;width:26px;height:26px;border-radius:8px;background:#eef3fd;color:var(--lfr-brand);font-size:13px;font-weight:800}
.lfr-no-hi{background:var(--lfr-brand);color:#fff}
.lfr-rank b{font-size:14.5px;font-weight:700}
.lfr-pill{margin-left:auto;padding:3px 11px;border-radius:20px;background:#f1f5fc;color:var(--lfr-mute);font-size:12.5px;white-space:nowrap}

/* 类型专区 */
.lfr-types{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.lfr-type{background:#fff;border:1px solid var(--lfr-line);border-radius:var(--lfr-rad);padding:18px 20px;box-shadow:var(--lfr-shadow)}
.lfr-type h3{font-size:15px;font-weight:800;color:var(--lfr-brand)}
.lfr-type ul{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.lfr-type li{padding:6px 12px;border-radius:8px;background:#f2f6fd;color:var(--lfr-mute);font-size:13.5px}

/* 主题片单 */
.lfr-theme{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.lfr-tcard{position:relative;display:flex;align-items:flex-end;min-height:210px;border-radius:16px;overflow:hidden;color:#fff;background-size:cover;background-position:center;box-shadow:var(--lfr-shadow);transition:transform .25s}
.lfr-tcard:hover{transform:translateY(-4px)}
.lfr-tcard::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,20,42,.18),rgba(10,20,42,.92))}
.lfr-tcard div{position:relative;padding:24px}
.lfr-tcard h3{font-size:18px;font-weight:800}
.lfr-tcard p{margin-top:8px;font-size:14px;color:#c9d6ec;line-height:1.7}
.lfr-tcard em{display:inline-block;margin-top:12px;padding:3px 11px;border-radius:20px;background:rgba(255,255,255,.18);font-style:normal;font-size:12.5px}

/* 口碑 */
.lfr-says{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.lfr-say{background:#fff;border:1px solid var(--lfr-line);border-left:4px solid var(--lfr-brand);border-radius:12px;padding:20px 22px;box-shadow:var(--lfr-shadow)}
.lfr-say p{font-size:14px;line-height:1.85;color:#38475f}
.lfr-say span{display:block;margin-top:12px;font-size:13px;color:var(--lfr-mute)}

/* 资讯 */
.lfr-news{background:#fff;border:1px solid var(--lfr-line);border-radius:var(--lfr-rad);overflow:hidden;box-shadow:var(--lfr-shadow)}
.lfr-news li{display:flex;align-items:center;gap:16px;min-height:48px;padding:15px 24px;border-bottom:1px solid var(--lfr-line)}
.lfr-news li:last-child{border-bottom:0}
.lfr-news b{font-size:14.5px;font-weight:600}
.lfr-news span{margin-left:auto;flex:0 0 auto;padding:3px 11px;border-radius:20px;background:#f2f6fd;color:var(--lfr-mute);font-size:12.5px}

/* 问答 */
.lfr-faq{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.lfr-qa{background:#fff;border:1px solid var(--lfr-line);border-radius:var(--lfr-rad);padding:20px 22px;box-shadow:var(--lfr-shadow)}
.lfr-qa h3{font-size:15px;font-weight:800;color:var(--lfr-deep)}
.lfr-qa p{margin-top:10px;font-size:14px;color:var(--lfr-mute);line-height:1.85}

/* 收尾 */
.lfr-cta{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;padding:44px 42px;border-radius:18px;background:linear-gradient(120deg,#17326f,#1e50c8);color:#fff;box-shadow:0 18px 40px rgba(23,50,111,.28)}
.lfr-cta h2{font-size:24px;font-weight:800}
.lfr-cta p{margin-top:9px;max-width:620px;font-size:14px;line-height:1.85;color:#c5d4f3}

/* 页脚 */
.lfr-foot{margin-top:56px;padding-top:50px;background:#0f1b30;color:#93a5c2}
.lfr-foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px;padding-bottom:38px}
.lfr-fbrand{font-size:17px;font-weight:800;color:#fff}
.lfr-fdesc{margin-top:12px;max-width:420px;font-size:13.5px;line-height:1.9;color:#8395b2}
.lfr-foot h4{margin-bottom:14px;font-size:14px;font-weight:700;color:#fff}
.lfr-foot li{font-size:13.5px;line-height:2.1}
.lfr-foot li a:hover{color:#fff}
.lfr-copy{padding:18px 0;border-top:1px solid rgba(255,255,255,.1);font-size:12.5px;text-align:center;color:#788aa6}

@media(max-width:1024px){
.lfr-hero-in{grid-template-columns:1fr;gap:30px;padding:48px 20px 52px}
.lfr-hero h1{font-size:32px}
.lfr-g4{grid-template-columns:repeat(3,1fr)}
.lfr-cats,.lfr-types{grid-template-columns:repeat(2,1fr)}
.lfr-foot-grid{grid-template-columns:1fr 1fr}
.lfr-feature{padding:40px 30px}
}
@media(max-width:768px){
.lfr-nav a{padding:10px 11px;font-size:13.5px}
.lfr-g4,.lfr-g3{grid-template-columns:repeat(2,1fr)}
.lfr-rank{grid-template-columns:1fr}
.lfr-rank li:nth-last-child(-n+2){border-bottom:1px dashed var(--lfr-line)}
.lfr-rank li:last-child{border-bottom:0}
.lfr-theme,.lfr-says,.lfr-faq{grid-template-columns:1fr}
.lfr-sec{padding:38px 0}
.lfr-hero h1{font-size:27px}
.lfr-shead h2{font-size:21px}
.lfr-feature h2{font-size:21px}
.lfr-cta{padding:32px 24px}
.lfr-cta h2{font-size:21px}
.lfr-news li{flex-wrap:wrap;gap:8px}
}
@media(max-width:520px){
.lfr-logo{font-size:15px}
.lfr-hero h1{font-size:23px}
.lfr-hero .lfr-sub{font-size:15px}
.lfr-grid{gap:14px}
.lfr-cats,.lfr-types{grid-template-columns:1fr}
.lfr-foot-grid{grid-template-columns:1fr}
.lfr-rank{padding:16px 18px}
.lfr-feature{padding:32px 22px}
.lfr-news li{padding:14px 18px}
.lfr-btn{width:100%}
}