/* roulang page: index */
:root{
  --pine-a:#1f7a44;
  --pine-b:#3fae6a;
  --ink-1:#14231a;
  --ink-2:#5c6f63;
  --line-1:#e0e9e3;
  --paper:#ffffff;
  --paper-2:#f3f8f4;
  --round-s:10px;
  --round-m:16px;
  --round-l:24px;
  --shadow-1:0 2px 10px rgba(20,40,28,.06);
  --shadow-2:0 14px 34px rgba(20,40,28,.12);
  --gap-1:12px;
  --gap-2:22px;
  --gap-3:40px;
}
*,*::before,*::after{box-sizing:border-box;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;
  line-height:1.72;
  color:var(--ink-1);
  background:var(--paper-2);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
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:2px solid var(--pine-b);outline-offset:3px;}

.cyib-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

/* 顶栏 */
.cyib-top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-1);}
.cyib-top-in{display:flex;align-items:center;gap:var(--gap-2);min-height:66px;}
.cyib-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.5px;white-space:nowrap;}
.cyib-logo-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--pine-b),var(--pine-a));box-shadow:var(--shadow-1);position:relative;}
.cyib-logo-mark::after{content:"";position:absolute;left:12px;top:9px;width:0;height:0;border-left:9px solid #fff;border-top:6px solid transparent;border-bottom:6px solid transparent;}
.cyib-nav{margin-left:auto;display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;}
.cyib-nav::-webkit-scrollbar{display:none;}
.cyib-nav a{padding:9px 13px;border-radius:var(--round-s);color:var(--ink-2);font-size:14px;white-space:nowrap;transition:background .2s,color .2s;}
.cyib-nav a:hover,.cyib-nav a.cyib-on{background:var(--paper-2);color:var(--pine-a);font-weight:600;}

/* 首屏 */
.cyib-hero{background:linear-gradient(160deg,#0f3d24 0%,#1f7a44 62%,#2f9a58 100%);color:#fff;position:relative;overflow:hidden;}
.cyib-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.22;}
.cyib-hero-in{position:relative;padding:56px 0 60px;}
.cyib-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:var(--gap-3);align-items:center;}
.cyib-hero h1{font-size:40px;line-height:1.25;letter-spacing:1px;margin-bottom:16px;}
.cyib-hero h1 em{font-style:normal;color:#c8f5d8;}
.cyib-hero-sub{font-size:17px;color:#dcf2e3;margin-bottom:14px;font-weight:600;}
.cyib-hero-desc{max-width:560px;color:#e6f7ec;font-size:14.5px;margin-bottom:26px;}
.cyib-hero-btns{display:flex;flex-wrap:wrap;gap:12px;}
.cyib-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s;}
.cyib-btn-main{background:#fff;color:var(--pine-a);box-shadow:0 10px 24px rgba(0,0,0,.18);}
.cyib-btn-main:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(0,0,0,.24);}
.cyib-btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.45);}
.cyib-btn-ghost:hover{background:rgba(255,255,255,.22);}
.cyib-hero-side{position:relative;}
.cyib-hero-shot{border-radius:var(--round-l);overflow:hidden;box-shadow:0 24px 50px rgba(0,0,0,.32);border:1px solid rgba(255,255,255,.28);}
.cyib-hero-shot img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.cyib-hero-badge{position:absolute;left:-14px;bottom:-16px;background:#fff;color:var(--ink-1);border-radius:var(--round-m);padding:12px 16px;box-shadow:var(--shadow-2);font-size:13px;font-weight:600;}
.cyib-hero-badge span{display:block;color:var(--ink-2);font-weight:400;font-size:12px;}

/* 通用板块 */
.cyib-sec{padding:52px 0;}
.cyib-sec-alt{background:var(--paper);}
.cyib-head{max-width:760px;margin-bottom:var(--gap-3);}
.cyib-kicker{display:inline-block;font-size:12px;letter-spacing:2px;color:var(--pine-a);background:#e3f5e9;border-radius:999px;padding:4px 12px;margin-bottom:12px;font-weight:700;}
.cyib-head h2{font-size:26px;line-height:1.35;letter-spacing:.5px;margin-bottom:10px;}
.cyib-head p{color:var(--ink-2);font-size:14.5px;}

/* 分类频道 */
.cyib-chan{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap-2);}
.cyib-chan li{background:var(--paper);border:1px solid var(--line-1);border-radius:var(--round-m);padding:22px;box-shadow:var(--shadow-1);transition:transform .2s,box-shadow .2s;}
.cyib-chan li:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.cyib-chan b{display:block;font-size:16px;margin-bottom:6px;color:var(--pine-a);}
.cyib-chan p{color:var(--ink-2);font-size:13.5px;line-height:1.7;}
.cyib-chan-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.cyib-chan-tags span{font-size:12px;color:#33664a;background:#eef7f1;border-radius:6px;padding:3px 9px;}

/* 卡片网格 */
.cyib-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap-2);}
.cyib-cards.cyib-six{grid-template-columns:repeat(3,1fr);}
.cyib-card{background:var(--paper);border:1px solid var(--line-1);border-radius:var(--round-m);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s;}
.cyib-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.cyib-thumb{position:relative;overflow:hidden;background:#dfeae3;}
.cyib-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s;}
.cyib-card:hover .cyib-thumb img{transform:scale(1.05);}
.cyib-tagline{position:absolute;left:10px;top:10px;background:rgba(15,61,36,.82);color:#fff;font-size:11.5px;font-weight:600;border-radius:6px;padding:3px 8px;letter-spacing:.5px;}
.cyib-score{position:absolute;right:10px;bottom:10px;background:rgba(255,255,255,.94);color:#c9761b;font-size:12px;font-weight:700;border-radius:6px;padding:2px 8px;}
.cyib-card-body{padding:13px 14px 16px;}
.cyib-card-body h3{font-size:15px;line-height:1.5;margin-bottom:5px;}
.cyib-card-body p{font-size:12.8px;color:var(--ink-2);line-height:1.65;}

/* 榜单 */
.cyib-rank{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 26px;}
.cyib-rank li{display:flex;align-items:center;gap:12px;background:var(--paper);border:1px solid var(--line-1);border-radius:var(--round-s);padding:11px 14px;transition:border-color .2s,background .2s;}
.cyib-rank li:hover{border-color:var(--pine-b);background:#f7fcf9;}
.cyib-rank .cyib-no{width:26px;height:26px;flex:0 0 26px;border-radius:8px;background:#eef7f1;color:var(--pine-a);font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.cyib-rank li:nth-child(-n+3) .cyib-no{background:var(--pine-a);color:#fff;}
.cyib-rank .cyib-nm{font-size:14.5px;font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.cyib-rank .cyib-ct{font-size:12px;color:var(--ink-2);white-space:nowrap;}

/* 推荐清单（图文横排） */
.cyib-list{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap-2);}
.cyib-row{display:flex;gap:16px;background:var(--paper);border:1px solid var(--line-1);border-radius:var(--round-m);padding:14px;box-shadow:var(--shadow-1);transition:box-shadow .2s,transform .2s;}
.cyib-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.cyib-row .cyib-mini{flex:0 0 118px;width:118px;border-radius:var(--round-s);overflow:hidden;}
.cyib-row .cyib-mini img{width:118px;height:78px;object-fit:cover;}
.cyib-row-txt h3{font-size:15px;margin-bottom:5px;}
.cyib-row-txt p{font-size:13px;color:var(--ink-2);line-height:1.65;}

/* 专题 */
.cyib-topic{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap-2);}
.cyib-topic article{position:relative;border-radius:var(--round-m);overflow:hidden;box-shadow:var(--shadow-1);min-height:210px;display:flex;align-items:flex-end;color:#fff;}
.cyib-topic article img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.cyib-topic article::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,36,21,.05),rgba(9,36,21,.86));}
.cyib-topic-txt{position:relative;z-index:2;padding:20px;}
.cyib-topic-txt h3{font-size:17px;margin-bottom:6px;}
.cyib-topic-txt p{font-size:13px;color:#dcefe3;}

/* 资讯 */
.cyib-news{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap-2);}
.cyib-news article{display:flex;gap:14px;background:var(--paper);border:1px solid var(--line-1);border-radius:var(--round-m);padding:13px;box-shadow:var(--shadow-1);}
.cyib-news .cyib-mini{flex:0 0 104px;width:104px;border-radius:var(--round-s);overflow:hidden;}
.cyib-news .cyib-mini img{width:104px;height:76px;object-fit:cover;}
.cyib-news h3{font-size:14.5px;line-height:1.55;margin-bottom:6px;}
.cyib-news span{font-size:12px;color:var(--pine-a);background:#eef7f1;border-radius:5px;padding:2px 8px;}

/* 问答 */
.cyib-faq{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap-2);}
.cyib-faq article{background:var(--paper);border:1px solid var(--line-1);border-radius:var(--round-m);padding:20px 22px;box-shadow:var(--shadow-1);}
.cyib-faq h3{font-size:15.5px;margin-bottom:8px;color:var(--pine-a);}
.cyib-faq p{font-size:13.5px;color:var(--ink-2);line-height:1.75;}

/* 类型专区 */
.cyib-genre{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap-2);}
.cyib-genre article{background:var(--paper);border:1px solid var(--line-1);border-radius:var(--round-m);padding:18px;box-shadow:var(--shadow-1);}
.cyib-genre h3{font-size:15px;color:var(--pine-a);margin-bottom:8px;}
.cyib-genre li{font-size:13.2px;color:var(--ink-2);padding:4px 0;border-bottom:1px dashed var(--line-1);}
.cyib-genre li:last-child{border-bottom:0;}

/* 评价 */
.cyib-voice{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap-2);}
.cyib-voice article{background:var(--paper);border:1px solid var(--line-1);border-radius:var(--round-m);padding:20px;box-shadow:var(--shadow-1);}
.cyib-voice p{font-size:13.8px;color:var(--ink-2);line-height:1.75;margin-bottom:12px;}
.cyib-voice b{font-size:13px;color:var(--pine-a);}

/* 收口 */
.cyib-cta{background:linear-gradient(120deg,#12452a,#2f9a58);color:#fff;border-radius:var(--round-l);padding:44px 36px;display:grid;grid-template-columns:1.3fr .7fr;gap:var(--gap-2);align-items:center;}
.cyib-cta h2{font-size:25px;margin-bottom:10px;}
.cyib-cta p{color:#dcf2e3;font-size:14.5px;max-width:560px;}
.cyib-cta .cyib-btn-main{margin-left:auto;}

/* 页脚 */
.cyib-foot{background:#0e2b1b;color:#a9c6b6;padding:48px 0 0;margin-top:10px;}
.cyib-foot-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:var(--gap-2);padding-bottom:32px;}
.cyib-foot h4{color:#fff;font-size:14.5px;margin-bottom:12px;}
.cyib-foot li{font-size:13.2px;padding:4px 0;}
.cyib-foot a:hover{color:#8fe0af;}
.cyib-foot-brand{font-size:17px;color:#fff;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:9px;}
.cyib-foot p{font-size:13px;line-height:1.8;max-width:300px;}
.cyib-copy{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;font-size:12.5px;color:#7fa792;}

@media (max-width:1024px){
  .cyib-hero h1{font-size:32px;}
  .cyib-hero-grid{grid-template-columns:1fr;gap:var(--gap-2);}
  .cyib-hero-side{max-width:520px;}
  .cyib-cards,.cyib-genre{grid-template-columns:repeat(3,1fr);}
  .cyib-chan,.cyib-topic,.cyib-voice{grid-template-columns:repeat(2,1fr);}
  .cyib-cards.cyib-six{grid-template-columns:repeat(2,1fr);}
  .cyib-cta{grid-template-columns:1fr;}
  .cyib-cta .cyib-btn-main{margin-left:0;}
  .cyib-foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .cyib-top-in{flex-wrap:wrap;padding:8px 0;gap:8px;}
  .cyib-nav{margin-left:0;width:100%;}
  .cyib-sec{padding:40px 0;}
  .cyib-head{margin-bottom:26px;}
  .cyib-head h2{font-size:22px;}
  .cyib-cards,.cyib-cards.cyib-six,.cyib-genre{grid-template-columns:repeat(2,1fr);}
  .cyib-list,.cyib-news,.cyib-faq,.cyib-rank{grid-template-columns:1fr;}
}
@media (max-width:520px){
  body{font-size:14.5px;}
  .cyib-wrap{padding:0 14px;}
  .cyib-hero-in{padding:38px 0 44px;}
  .cyib-hero h1{font-size:27px;}
  .cyib-hero-desc{font-size:14px;}
  .cyib-cards,.cyib-cards.cyib-six,.cyib-genre,.cyib-chan,.cyib-topic,.cyib-voice{grid-template-columns:1fr;}
  .cyib-row .cyib-mini{flex:0 0 96px;width:96px;}
  .cyib-row .cyib-mini img{width:96px;height:68px;}
  .cyib-cta{padding:30px 20px;}
  .cyib-foot-grid{grid-template-columns:1fr;}
}