/* roulang page: index */
:root{
  --ink:#1b1725;
  --ink2:#5d5772;
  --paper:#ffffff;
  --paper2:#f5f3fa;
  --line:#e6e2f0;
  --tone1:#ff6b4a;
  --tone2:#3b2f63;
  --tone3:#ffd166;
  --rad:16px;
  --rad-s:10px;
  --sh1:0 6px 24px rgba(27,23,37,.08);
  --sh2:0 14px 40px rgba(27,23,37,.16);
  --gap:20px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;font-size:15px;line-height:1.75;color:var(--ink);background:var(--paper)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font:inherit}
:focus-visible{outline:3px solid var(--tone1);outline-offset:3px}
section[id]{scroll-margin-top:80px}

.ljkz-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 18px}

/* 顶栏 */
.ljkz-top{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.ljkz-top-in{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;padding-top:8px;padding-bottom:8px;min-height:64px}
.ljkz-logo{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-weight:700}
.ljkz-logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(140deg,var(--tone1),#ff9f6b);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700;box-shadow:0 6px 16px rgba(255,107,74,.35)}
.ljkz-logo-txt{font-size:16px;letter-spacing:.4px}
.ljkz-nav{display:flex;gap:4px;width:100%;overflow-x:auto;scrollbar-width:none}
.ljkz-nav::-webkit-scrollbar{display:none}
.ljkz-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 13px;border-radius:999px;font-size:14px;color:var(--ink2);white-space:nowrap;transition:background .2s,color .2s}
.ljkz-nav a:hover,.ljkz-nav a:focus{background:var(--paper2);color:var(--ink)}

/* 首屏 */
.ljkz-hero{position:relative;color:#fff;background:#231c3c url("/assets/images/backpic/back-1.webp") center/cover no-repeat;padding:32px 0 38px;overflow:hidden}
.ljkz-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(24,19,45,.93),rgba(52,41,96,.76))}
.ljkz-hero-grid{position:relative;z-index:2;display:grid;gap:18px}
.ljkz-hero-main{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--rad);padding:24px 20px;backdrop-filter:blur(6px)}
.ljkz-kicker{display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;background:rgba(255,255,255,.15);color:#ffe6d8;font-size:13px;letter-spacing:.5px}
.ljkz-h1{font-size:30px;line-height:1.25;font-weight:800;letter-spacing:1px;margin:12px 0 10px}
.ljkz-h1 span{color:var(--tone3)}
.ljkz-hero-sub{font-size:16px;font-weight:600;color:#efeaf7}
.ljkz-hero-desc{font-size:14px;line-height:1.85;color:#d5cfe4;margin-top:12px}
.ljkz-hero-acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.ljkz-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:999px;background:var(--tone1);color:#fff;font-weight:600;font-size:15px;box-shadow:0 8px 22px rgba(255,107,74,.32);transition:transform .18s,box-shadow .18s,background .18s}
.ljkz-btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,107,74,.42)}
.ljkz-btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff;box-shadow:none}
.ljkz-btn-ghost:hover{background:rgba(255,255,255,.14);box-shadow:none}
.ljkz-hero-side{display:grid;gap:14px}
.ljkz-mini{display:flex;align-items:center;gap:12px;min-height:44px;padding:10px;border-radius:var(--rad-s);background:rgba(255,255,255,.97);color:var(--ink);box-shadow:var(--sh2);transition:transform .2s}
.ljkz-mini:hover{transform:translateY(-2px)}
.ljkz-mini-thumb{flex:0 0 auto;width:96px;height:62px;border-radius:8px;overflow:hidden;background:#e9e6f2}
.ljkz-mini-thumb img{width:100%;height:100%;object-fit:cover}
.ljkz-mini-body{display:flex;flex-direction:column;gap:2px;min-width:0}
.ljkz-mini-body strong{font-size:15px}
.ljkz-mini-body em{font-style:normal;font-size:13px;color:var(--ink2)}

/* 板块通用 */
.ljkz-sec{padding:42px 0;border-bottom:1px solid var(--line)}
.ljkz-tint{background:var(--paper2)}
.ljkz-head{margin-bottom:20px}
.ljkz-head h2{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:.4px}
.ljkz-head h2::before{content:"";width:6px;height:22px;border-radius:3px;background:linear-gradient(var(--tone1),#ffb08a)}
.ljkz-lead{margin-top:10px;max-width:780px;font-size:14px;line-height:1.9;color:var(--ink2)}

/* 卡片 */
.ljkz-cards{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
.ljkz-card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--rad);overflow:hidden;box-shadow:var(--sh1);transition:transform .2s,box-shadow .2s}
.ljkz-card:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.ljkz-thumb{position:relative;aspect-ratio:16/10;background:#e9e6f2;overflow:hidden}
.ljkz-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.ljkz-card:hover .ljkz-thumb img{transform:scale(1.05)}
.ljkz-tag{position:absolute;left:8px;top:8px;padding:3px 8px;border-radius:6px;background:rgba(27,23,37,.78);color:#fff;font-size:12px;backdrop-filter:blur(3px)}
.ljkz-card-b{display:flex;flex-direction:column;gap:6px;flex:1;padding:12px 12px 14px}
.ljkz-card-b h3{font-size:15px;font-weight:700;line-height:1.4}
.ljkz-card-b p{font-size:14px;line-height:1.7;color:var(--ink2)}

/* 保障 */
.ljkz-promise{display:grid;gap:14px;grid-template-columns:1fr}
.ljkz-promise li{background:var(--paper);border:1px solid var(--line);border-radius:var(--rad-s);padding:16px;box-shadow:var(--sh1)}
.ljkz-promise strong{display:block;margin-bottom:6px;font-size:15px}
.ljkz-promise strong::before{content:"◆";margin-right:6px;font-size:11px;color:var(--tone1)}
.ljkz-promise p{font-size:14px;line-height:1.75;color:var(--ink2)}

/* 徽章条 */
.ljkz-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.ljkz-chips span{display:inline-flex;align-items:center;min-height:38px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:var(--paper);font-size:14px;color:var(--ink2);box-shadow:var(--sh1)}
.ljkz-chips span:nth-child(3n+1){border-color:rgba(255,107,74,.42);background:#fff5f1;color:#d8482a}

/* 边界说明 */
.ljkz-note{display:grid;gap:16px;padding:20px;border:1px solid var(--line);border-left:5px solid var(--tone1);border-radius:var(--rad);background:var(--paper);box-shadow:var(--sh1)}
.ljkz-note p{font-size:14px;line-height:1.9;color:var(--ink2)}

/* 排行 */
.ljkz-rank{display:grid;gap:10px}
.ljkz-rank li{display:flex;align-items:center;gap:10px;min-height:44px;padding:11px 14px;border:1px solid var(--line);border-radius:var(--rad-s);background:var(--paper);transition:border-color .2s,transform .2s}
.ljkz-rank li:hover{border-color:var(--tone1);transform:translateX(3px)}
.ljkz-no{flex:0 0 auto;display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:var(--paper2);font-size:14px;font-weight:700;color:var(--ink2)}
.ljkz-rank li:nth-child(-n+3) .ljkz-no{background:linear-gradient(140deg,var(--tone1),#ffa06b);color:#fff}
.ljkz-rk-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px;font-weight:600}
.ljkz-rk-cat{flex:0 0 auto;padding:2px 8px;border-radius:6px;background:#efeaf9;color:var(--tone2);font-size:12px}
.ljkz-rk-hot{flex:0 0 auto;font-size:13px;color:var(--ink2)}

/* 分类 */
.ljkz-cats{display:grid;gap:14px;grid-template-columns:1fr}
.ljkz-cats li{padding:16px 18px;border:1px solid var(--line);border-radius:var(--rad-s);background:var(--paper);box-shadow:var(--sh1)}
.ljkz-cats b{display:inline-block;margin-bottom:8px;padding:3px 12px;border-radius:999px;background:var(--tone2);color:#fff;font-size:15px}
.ljkz-cats p{font-size:14px;line-height:1.75;color:var(--ink2)}

/* 专题 */
.ljkz-topics{display:grid;gap:16px;grid-template-columns:1fr}
.ljkz-topic{padding:20px;border-radius:var(--rad);background:linear-gradient(155deg,#2b2350,#3b2f63);color:#fff;box-shadow:var(--sh2)}
.ljkz-topic h3{margin-bottom:8px;font-size:16px}
.ljkz-topic p{font-size:14px;line-height:1.8;color:#cfc8e4}
.ljkz-topic em{display:inline-block;margin-top:12px;font-style:normal;font-size:13px;color:#ffd6a8}

/* 资讯 */
.ljkz-news{display:grid;gap:12px}
.ljkz-news li{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 14px;padding:13px 16px;border:1px solid var(--line);border-radius:var(--rad-s);background:var(--paper)}
.ljkz-time{flex:0 0 auto;padding:2px 10px;border-radius:999px;background:var(--tone2);color:#fff;font-size:13px}
.ljkz-nw-t{flex:1;min-width:0;font-size:15px;font-weight:600}

/* 问答 */
.ljkz-faq{display:grid;gap:12px}
.ljkz-faq li{padding:16px 18px;border:1px solid var(--line);border-radius:var(--rad-s);background:var(--paper);box-shadow:var(--sh1)}
.ljkz-faq h3{margin-bottom:8px;font-size:15px}
.ljkz-faq h3::before{content:"Q";display:inline-grid;place-items:center;width:20px;height:20px;margin-right:8px;border-radius:6px;background:var(--tone1);color:#fff;font-size:12px}
.ljkz-faq p{font-size:14px;line-height:1.85;color:var(--ink2)}

/* 收口 */
.ljkz-cta{padding:28px 22px;border-radius:var(--rad);background:linear-gradient(150deg,#ff6b4a,#ff9a5b);color:#fff;text-align:center;box-shadow:var(--sh2)}
.ljkz-cta h2{margin-bottom:10px;font-size:20px}
.ljkz-cta p{max-width:660px;margin:0 auto;font-size:14px;line-height:1.9;color:#fff2ec}
.ljkz-cta .ljkz-btn{margin-top:18px;background:#fff;color:#d8482a;box-shadow:0 10px 24px rgba(120,40,10,.22)}

/* 页脚 */
.ljkz-foot{margin-top:0;padding:40px 0 0;background:#1b1725;color:#b9b3cc}
.ljkz-foot-grid{display:grid;gap:24px;grid-template-columns:1fr}
.ljkz-foot h4{margin:0 0 10px;color:#fff;font-size:15px}
.ljkz-foot p{font-size:14px;line-height:1.85}
.ljkz-foot-links{display:flex;flex-direction:column}
.ljkz-foot-links a{display:inline-flex;align-items:center;min-height:44px;font-size:14px;color:#cfc9e0;transition:color .2s}
.ljkz-foot-links a:hover{color:var(--tone1)}
.ljkz-copy{margin-top:24px;border-top:1px solid rgba(255,255,255,.1);padding:16px 0;text-align:center;font-size:13px;color:#8f89a6}

@media(min-width:520px){
  .ljkz-promise{grid-template-columns:repeat(2,1fr)}
  .ljkz-cats{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:768px){
  .ljkz-nav{width:auto;margin-left:auto;overflow:visible}
  .ljkz-nav a{font-size:15px}
  .ljkz-h1{font-size:40px}
  .ljkz-head h2{font-size:24px}
  .ljkz-lead{font-size:15px}
  .ljkz-cards{grid-template-columns:repeat(3,1fr)}
  .ljkz-topics{grid-template-columns:repeat(3,1fr)}
  .ljkz-foot-grid{grid-template-columns:1.5fr 1fr 1fr}
  .ljkz-cta{padding:38px 32px}
  .ljkz-cta h2{font-size:24px}
  .ljkz-cta p{font-size:15px}
}
@media(min-width:1024px){
  .ljkz-hero{padding:56px 0 66px}
  .ljkz-hero-grid{grid-template-columns:1.35fr .85fr;gap:26px;align-items:start}
  .ljkz-hero-main{padding:36px 34px}
  .ljkz-h1{font-size:46px}
  .ljkz-hero-side{gap:18px;padding-top:36px}
  .ljkz-hero-side .ljkz-mini:nth-child(2){margin-left:28px}
  .ljkz-sec{padding:56px 0}
  .ljkz-cards{grid-template-columns:repeat(4,1fr);gap:22px}
  .ljkz-cards.ljkz-three{grid-template-columns:repeat(3,1fr)}
  .ljkz-promise{grid-template-columns:repeat(4,1fr)}
  .ljkz-rank{grid-template-columns:1fr 1fr;gap:12px}
  .ljkz-cats{grid-template-columns:repeat(3,1fr)}
  .ljkz-note{grid-template-columns:1fr 1fr;gap:26px;padding:26px 28px}
  .ljkz-faq{grid-template-columns:1fr 1fr}
}