/* roulang page: index */
:root{
  --brand:#2A5FD0;
  --brand-2:#1E48A6;
  --brand-soft:#EAF0FC;
  --orange:#F07B2A;
  --ink:#16202E;
  --sub:#5C6B80;
  --line:#E4EAF3;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 2px 6px rgba(22,40,80,.05),0 10px 24px rgba(22,40,80,.06);
  --shadow-hover:0 2px 6px rgba(22,40,80,.06),0 14px 30px rgba(22,40,80,.10);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg)}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-2)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
.num{font-variant-numeric:tabular-nums}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;height:44px;padding:0 20px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:background .2s,color .2s,box-shadow .2s,border-color .2s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-2);color:#fff;box-shadow:0 6px 16px rgba(42,95,208,.25)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover,.btn-ghost:focus{background:var(--brand-soft);color:var(--brand-2)}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:38px;height:38px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:17px;letter-spacing:.5px}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap}
.nav-links{margin-left:auto}
.nav-links.collapse{display:flex;align-items:center;gap:26px}
.nav-links a.nav-item{color:var(--sub);font-size:15px;padding:6px 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.nav-links a.nav-item:hover,.nav-links a.nav-item.is-active{color:var(--brand);border-bottom-color:var(--brand)}
.nav-cta{flex:none}
.drawer-cta{display:none}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-sm);font-size:18px;line-height:1;color:var(--ink);cursor:pointer;margin-left:auto}

/* 首屏 */
.hero{position:relative;padding:64px 0 0;background:#F6F8FC url('/assets/images/2fa9a20be6bab3d6.jpg') center/cover no-repeat;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,#F6F8FC 0%,rgba(246,248,252,.95) 46%,rgba(246,248,252,.68) 100%)}
.hero .container{position:relative;z-index:1}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-bottom:44px}
.hero-eyebrow{display:inline-block;font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:4px 12px;border-radius:999px;margin-bottom:18px;letter-spacing:.4px}
.hero h1{font-size:44px;line-height:1.25;font-weight:700;letter-spacing:-.5px}
.hero h1 .hl{color:var(--orange);border-bottom:4px solid rgba(240,123,42,.32);padding-bottom:2px}
.hero-sub{margin-top:16px;font-size:18px;font-weight:600;color:var(--ink)}
.hero-text{margin-top:12px;font-size:15px;color:var(--sub);max-width:560px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.pass-card{background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 2px 6px rgba(22,40,80,.05),0 18px 40px rgba(22,40,80,.10)}
.pass-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.pass-body{padding:24px;position:relative}
.pass-body::before{content:"";position:absolute;left:24px;right:24px;top:0;border-top:1.5px dashed var(--line)}
.pass-tag{font-size:12px;font-weight:600;color:var(--orange);letter-spacing:.6px}
.pass-num{font-size:22px;font-weight:700;color:var(--ink);margin-top:6px;line-height:1.35}
.pass-list{margin-top:14px;display:grid;gap:8px}
.pass-list li{position:relative;padding-left:18px;font-size:14px;color:var(--sub);line-height:1.6}
.pass-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.pass-btn{width:100%;margin-top:20px}
.hero-stats{display:flex;flex-wrap:wrap;border-top:1px solid var(--line);padding:20px 0 24px}
.hero-stats li{flex:1 1 0;min-width:140px;padding:0 24px;border-left:1px solid var(--line)}
.hero-stats li:first-child{border-left:0;padding-left:0}
.hero-stats strong{display:block;font-size:22px;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.4}
.hero-stats span{font-size:13px;color:var(--sub)}

/* 板块通用 */
.sec{padding:72px 0}
.sec-alt{background:#fff}
.sec-head{margin-bottom:28px}
.sec-kicker{font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.6px;margin-bottom:8px}
.sec-title{font-size:28px;font-weight:700;line-height:1.35;letter-spacing:-.3px}
.sec-desc{margin-top:12px;font-size:15px;color:var(--sub);max-width:760px}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pain-item{padding-left:16px;border-left:2px solid var(--brand)}
.pain-ico{display:block;width:32px;height:32px;color:var(--brand);margin-bottom:12px}
.pain-ico svg{width:32px;height:32px;display:block}
.pain-item h3{font-size:16px;font-weight:600;margin-bottom:8px}
.pain-item p{font-size:14px;color:var(--sub);line-height:1.7}

/* 方案 */
.sol-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.sol-list{margin-top:24px;display:grid;gap:20px}
.sol-list h3{font-size:16px;font-weight:600;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.sol-list h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);flex:none}
.sol-list p{font-size:14px;color:var(--sub);line-height:1.75}
.sol-fig{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#EDF1F7}
.sol-fig img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* 海报网格 */
.poster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.poster-card{display:block;background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid transparent;transition:transform .22s,box-shadow .22s,border-color .22s}
.poster-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C9D8F5}
.poster-media{position:relative;background:#EDF1F7}
.poster-media img{width:100%;aspect-ratio:2/3;object-fit:cover}
.badge-status{position:absolute;left:10px;top:10px;background:var(--brand);color:#fff;font-size:12px;font-weight:600;line-height:1.7;padding:1px 10px;border-radius:999px}
.badge-score{position:absolute;right:10px;bottom:10px;background:var(--orange);color:#fff;font-size:12px;font-weight:700;line-height:1.7;padding:1px 8px;border-radius:6px;font-variant-numeric:tabular-nums}
.poster-card h3{font-size:16px;font-weight:600;padding:12px 14px 14px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 横卡 */
.hot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.hot-card{display:grid;grid-template-columns:176px 1fr;gap:16px;background:var(--card);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);border:1px solid transparent;transition:transform .22s,box-shadow .22s,border-color .22s}
.hot-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C9D8F5}
.hot-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-sm);background:#EDF1F7}
.hot-body{display:flex;flex-direction:column;justify-content:center;min-width:0}
.hot-body h3{font-size:16px;font-weight:600;margin-bottom:6px}
.hot-body p{font-size:14px;color:var(--sub);line-height:1.65}
.hot-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.hot-tags span{font-size:12px;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:1px 10px;line-height:1.8}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr)}
.step{position:relative;padding-right:32px}
.step::after{content:"";position:absolute;left:60px;right:24px;top:22px;border-top:1px dashed #C9D8F5}
.step:last-child{padding-right:0}
.step:last-child::after{display:none}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:17px;margin-bottom:16px;font-variant-numeric:tabular-nums}
.step h3{font-size:16px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--sub);line-height:1.7}

/* 分类 */
.cate-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.cate-item{background:var(--brand-soft);border-radius:var(--radius);padding:22px 18px;transition:background .2s}
.cate-item:hover{background:#DDE8FA}
.cate-item h3{font-size:16px;font-weight:600;margin-bottom:8px}
.cate-item p{font-size:13px;color:var(--sub);line-height:1.65;min-height:64px}
.cate-item a{display:inline-block;font-size:14px;font-weight:600;margin-top:8px;padding:4px 0}

/* 排行榜 */
.rank-wrap{display:grid;grid-template-columns:1fr 300px;gap:36px;background:#fff;border:1px solid var(--line);padding:32px}
.rank-list li{display:grid;grid-template-columns:32px 1fr auto auto auto;gap:14px;align-items:center;padding:12px 8px;border-bottom:1px solid var(--line);transition:background .15s}
.rank-list li:last-child{border-bottom:0}
.rank-list li:hover{background:#F6F8FC}
.rank-no{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;font-weight:700;font-size:14px;color:#fff;background:#C9D3E0;font-variant-numeric:tabular-nums}
.rank-no.top1{background:var(--orange)}
.rank-no.top2{background:var(--brand)}
.rank-no.top3{background:#8A9AB0}
.rank-name{font-size:15px;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-hot{font-size:13px;color:var(--sub);font-variant-numeric:tabular-nums}
.rank-score{font-size:13px;font-weight:700;color:var(--orange);font-variant-numeric:tabular-nums}
.rank-tag{font-size:12px;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:1px 10px;line-height:1.8;white-space:nowrap}
.rank-side{display:flex;flex-direction:column}
.rank-side img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius-sm);background:#EDF1F7}
.rank-side p{font-size:14px;color:var(--sub);line-height:1.75;margin-top:16px}

/* 数据卡 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 22px;border-top:3px solid var(--brand)}
.stat-card strong{display:block;font-size:40px;line-height:1.1;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}
.stat-card em{font-style:normal;font-size:14px;font-weight:600;color:var(--ink);margin-left:4px}
.stat-card p{margin-top:10px;font-size:14px;color:var(--sub);line-height:1.65}

/* 进度条 */
.bar-list li{display:grid;grid-template-columns:180px 1fr 64px;gap:18px;align-items:center;padding:16px 0;border-bottom:1px dashed var(--line)}
.bar-list li:last-child{border-bottom:0}
.bar-list .bar-label{font-size:15px;font-weight:600}
.bar-track{height:10px;border-radius:999px;background:#E9EEF7;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:var(--brand);transition:width .3s}
.bar-list li:nth-child(1) .bar-fill{width:92%}
.bar-list li:nth-child(2) .bar-fill{width:88%}
.bar-list li:nth-child(3) .bar-fill{width:96%}
.bar-list li:nth-child(4) .bar-fill{width:84%}
.bar-value{font-size:15px;font-weight:700;color:var(--brand);text-align:right;font-variant-numeric:tabular-nums}

/* 证言 */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.voice-top img{width:48px;height:48px;border-radius:50%;object-fit:cover;background:#EDF1F7}
.voice-top strong{font-size:15px;font-weight:600;display:block;line-height:1.4}
.voice-top span{font-size:12px;color:var(--sub)}
.voice-card p{font-size:14px;color:var(--sub);line-height:1.75}
.voice-stars{margin-top:14px;color:var(--orange);font-size:14px;letter-spacing:2px}

/* 适用人群 */
.who-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.who-item{background:var(--brand-soft);border:1px solid transparent;border-radius:12px;padding:20px;transition:background .2s,border-color .2s}
.who-item:hover{background:#fff;border-color:var(--brand)}
.who-item h3{font-size:16px;font-weight:600;margin-bottom:6px}
.who-item p{font-size:13px;color:var(--sub);line-height:1.6}

/* 专题 */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.topic-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .22s,box-shadow .22s}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.topic-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EDF1F7}
.topic-body{padding:20px}
.topic-body h3{font-size:16px;font-weight:600;margin-bottom:8px}
.topic-body p{font-size:14px;color:var(--sub);line-height:1.7}
.topic-body a{display:inline-block;font-size:14px;font-weight:600;margin-top:14px;padding:4px 0}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px 40px}
.news-item{display:grid;grid-template-columns:150px 1fr;gap:16px;align-items:start}
.news-item img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-sm);background:#EDF1F7}
.news-item h3{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:13px;color:var(--sub)}
.news-meta span.tag{color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:1px 10px;line-height:1.8}

/* 对比表 */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.notice-table{width:100%;border-collapse:collapse;min-width:640px}
.notice-table th{background:var(--brand-soft);color:var(--ink);font-weight:600;font-size:15px;text-align:left;padding:14px 20px;white-space:nowrap}
.notice-table td{padding:14px 20px;height:48px;font-size:15px;color:var(--sub);border-top:1px solid var(--line);vertical-align:middle}
.notice-table td:first-child{color:var(--ink);font-weight:600}

/* FAQ */
.faq-wrap{max-width:900px}
.accordion-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{width:100%;font-size:16px;font-weight:600;color:var(--ink);background:#fff;padding:18px 22px;border:0;box-shadow:none;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;transition:color .2s,border-color .2s}
.accordion-button:not(.collapsed){color:var(--brand);background:#fff;border-left:3px solid var(--brand);box-shadow:none}
.accordion-button:focus{box-shadow:none;outline:none}
.accordion-button::after{content:"＋";background-image:none;transform:none;width:auto;height:auto;font-size:20px;line-height:1;color:var(--brand);display:grid;place-items:center;flex:none}
.accordion-button:not(.collapsed)::after{content:"－";background-image:none;transform:none;color:var(--brand)}
.accordion-body{padding:0 22px 20px;font-size:15px;color:var(--sub);line-height:1.8}

/* 底部 CTA */
.cta-band{background:linear-gradient(180deg,#EAF0FC 0%,#DDE8FA 100%);padding:64px 0;text-align:center}
.cta-band h2{font-size:28px;font-weight:700;line-height:1.4}
.cta-band p{margin-top:12px;font-size:15px;color:var(--sub)}
.cta-btns{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:26px}

/* 页脚 */
.site-footer{background:#EEF3FB;border-top:1px solid var(--line);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-grid h3{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--ink)}
.footer-grid p{font-size:14px;color:var(--sub);line-height:1.75}
.footer-grid a{color:var(--sub);font-size:14px;display:block;padding:5px 0;transition:color .2s}
.footer-grid a:hover{color:var(--brand)}
.footer-plain{font-size:14px;color:var(--sub);padding:5px 0;display:block}
.copyright{border-top:1px solid #DFE7F4;padding:18px 0;font-size:13px;color:var(--sub);text-align:center}

@media(max-width:1024px){
  .nav-links.collapse{display:none;position:absolute;left:-16px;right:-16px;top:68px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 16px;margin-left:0}
  .nav-links.collapse.show{display:flex}
  .nav-links a.nav-item{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-links a.nav-item:hover,.nav-links a.nav-item.is-active{border-bottom-color:var(--line);color:var(--brand)}
  .nav-cta{display:none}
  .drawer-cta{display:flex;width:100%;margin-top:14px}
  .menu-btn{display:block}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:36px}
  .poster-grid{grid-template-columns:repeat(3,1fr)}
  .pain-grid{grid-template-columns:repeat(2,1fr);gap:28px 24px}
  .sol-inner{grid-template-columns:1fr;gap:32px}
  .cate-grid{grid-template-columns:repeat(3,1fr)}
  .rank-wrap{grid-template-columns:1fr}
  .rank-side{display:none}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:1fr 1fr}
  .who-grid{grid-template-columns:repeat(2,1fr)}
  .topic-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .steps{grid-template-columns:1fr 1fr;gap:32px 0}
  .step:nth-child(2)::after{display:none}
  .step:nth-child(3){padding-top:0}
}
@media(max-width:768px){
  .sec{padding:44px 0}
  .hero{padding:40px 0 0}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-stats li{padding:0 16px}
  .hero-stats strong{font-size:18px}
  .sec-title{font-size:22px}
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .poster-card h3{font-size:14px;padding:10px 12px 12px}
  .hot-grid{grid-template-columns:1fr;gap:16px}
  .hot-card{grid-template-columns:132px 1fr;padding:12px;gap:12px}
  .steps{grid-template-columns:1fr;gap:0}
  .step{padding:0 0 28px 0;display:grid;grid-template-columns:44px 1fr;column-gap:16px;align-items:start;position:relative}
  .step::after{display:none}
  .step-num{margin-bottom:0;grid-row:span 2}
  .step h3{margin-bottom:4px}
  .step::before{content:"";position:absolute;left:21px;top:48px;bottom:4px;border-left:1px dashed #C9D8F5}
  .step:last-child{padding-bottom:0}
  .step:last-child::before{display:none}
  .cate-grid{grid-template-columns:1fr 1fr;gap:12px}
  .cate-item p{min-height:0}
  .stat-grid{grid-template-columns:1fr 1fr;gap:16px}
  .stat-card strong{font-size:30px}
  .voice-grid{grid-template-columns:1fr}
  .who-grid{grid-template-columns:1fr 1fr;gap:12px}
  .topic-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr;gap:24px}
  .bar-list li{grid-template-columns:110px 1fr 52px;gap:12px}
  .bar-list .bar-label{font-size:14px}
  .rank-wrap{padding:20px 16px}
  .rank-list li{grid-template-columns:32px 1fr auto;gap:10px}
  .rank-tag{display:none}
  .cta-band{padding:48px 0}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
}
@media(max-width:520px){
  .brand-name{font-size:15px}
  .hero h1{font-size:26px}
  .hero-btns .btn{flex:1 1 100%}
  .hero-stats li{flex:1 1 50%;padding:8px 12px;border-left:0}
  .hero-stats li:first-child{padding-left:12px}
  .pain-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .who-grid{grid-template-columns:1fr}
  .cate-grid{grid-template-columns:1fr}
  .hot-card{grid-template-columns:1fr}
  .hot-card img{aspect-ratio:16/9}
  .news-item{grid-template-columns:110px 1fr}
  .rank-list li{grid-template-columns:32px 1fr auto}
  .rank-hot{display:none}
  .cta-btns .btn{flex:1 1 100%}
}