/* roulang page: index */
:root{--ink:#151927;--muted:#697084;--paper:#f6f7fb;--card:#fff;--line:#e4e7ef;--hot:#f04f35;--violet:#6557e8;--lime:#d9f36b;--radius:20px;--shadow:0 16px 45px #20294d12}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none;transition:.25s}a:hover{color:var(--hot)}img{max-width:100%}.container{max-width:1180px;margin:auto;padding:0 24px}.masthead{background:#fff;border-bottom:1px solid var(--line)}.topline{height:88px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:27px;font-weight:900;letter-spacing:-1px}.brand i{display:inline-block;background:var(--lime);width:12px;height:12px;border-radius:50%;margin-left:5px}.nav{display:flex;gap:30px;align-items:center;font-weight:700}.nav a{padding:8px 0;border-bottom:2px solid transparent}.nav a.active,.nav a:hover{border-color:var(--hot)}.nav-cta,.button{display:inline-block;background:var(--ink);color:#fff!important;border:0;border-radius:999px;padding:12px 22px;font-weight:800;cursor:pointer}.button.hot{background:var(--hot)}.button:hover{transform:translateY(-2px);box-shadow:0 8px 20px #15192728}.hero{padding:76px 0 58px;background:#fff}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:end}.eyebrow,.tag{color:var(--hot);font-size:13px;font-weight:900;letter-spacing:2px}.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.08;margin:14px 0 22px;letter-spacing:-4px}.hero p{font-size:18px;color:var(--muted);max-width:690px}.actions{display:flex;gap:12px;margin-top:28px}.signal{background:var(--ink);color:#fff;border-radius:var(--radius);padding:28px;position:relative;overflow:hidden}.signal:after{content:"";position:absolute;width:180px;height:180px;border:35px solid var(--violet);border-radius:50%;right:-60px;top:-65px}.signal strong{display:block;font-size:46px;line-height:1;color:var(--lime)}.signal small{color:#c7cad5}.section{padding:70px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:28px}.section h2{font-size:34px;line-height:1.2;margin:8px 0}.section-head p{color:var(--muted);max-width:550px;margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);transition:.25s}.card:hover{transform:translateY(-5px);box-shadow:0 20px 50px #20294d1c}.card h3{margin:12px 0 8px;font-size:21px}.card p{color:var(--muted);margin:0}.number{font-size:38px;font-weight:900;color:var(--violet)}.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.flow .card{box-shadow:none;background:transparent}.rank{display:flex;align-items:center;gap:15px;border-bottom:1px solid var(--line);padding:16px 0}.rank:last-child{border:0}.rank b{font-size:22px;color:var(--hot)}.news{display:grid;grid-template-columns:1fr 1fr;gap:18px}.news article{padding:20px 0;border-bottom:1px solid var(--line)}.news article h3{margin:5px 0}.bar{display:flex;gap:10px;overflow:auto;padding-bottom:8px}.bar span{white-space:nowrap;border:1px solid var(--line);border-radius:99px;padding:8px 16px;background:#fff;font-weight:700}.quote{background:var(--violet);color:#fff;border-radius:var(--radius);padding:35px}.quote p{font-size:22px}.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compare .card strong{font-size:30px}.subscribe{background:var(--lime);border-radius:var(--radius);padding:35px;display:flex;justify-content:space-between;gap:25px;align-items:center}.subscribe input{border:0;border-radius:99px;padding:14px 18px;min-width:260px}.footer{background:var(--ink);color:#fff;padding:45px 0}.footer small{color:#aeb3c5}.footer-row{display:flex;justify-content:space-between;gap:30px}.footer a{color:#d7d9e2;margin-left:20px}.focus:focus,input:focus,a:focus{outline:3px solid #f04f3570;outline-offset:3px}@media(max-width:768px){.nav{gap:14px;font-size:14px}.topline{height:auto;padding:18px 0;flex-wrap:wrap;gap:14px}.hero-grid,.news,.compare{grid-template-columns:1fr}.hero h1{letter-spacing:-2px}.grid{grid-template-columns:1fr 1fr}.flow{grid-template-columns:1fr 1fr}.section-head,.subscribe,.footer-row{display:block}.subscribe form{margin-top:20px}}@media(max-width:520px){.container{padding:0 17px}.brand{font-size:22px}.nav{width:100%;justify-content:space-between}.nav-cta{display:none}.hero{padding:48px 0}.grid,.flow{grid-template-columns:1fr}.actions{flex-wrap:wrap}.actions .button{width:100%;text-align:center}.subscribe input{min-width:0;width:100%;margin-bottom:10px}.footer a{display:inline-block;margin:14px 15px 0 0}}

/* roulang page: category1 */
:root{--ink:#151927;--muted:#697084;--paper:#f6f7fb;--card:#fff;--line:#e4e7ef;--hot:#f04f35;--violet:#6557e8;--lime:#d9f36b;--radius:20px;--shadow:0 16px 45px #20294d12}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none;transition:.25s}a:hover{color:var(--hot)}.container{max-width:1180px;margin:auto;padding:0 24px}.masthead{background:#fff;border-bottom:1px solid var(--line)}.topline{min-height:92px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{font-size:27px;font-weight:900;letter-spacing:-1px}.brand span{font-size:14px;color:var(--muted);font-weight:700;margin-left:8px}.brand i{display:inline-block;background:var(--lime);width:12px;height:12px;border-radius:50%;margin-left:5px}.nav{display:flex;gap:30px;align-items:center;font-weight:700}.nav a{padding:8px 0;border-bottom:2px solid transparent}.nav a.active,.nav a:hover{border-color:var(--hot)}.nav-cta,.button{display:inline-block;background:var(--ink);color:#fff!important;border:0;border-radius:999px;padding:12px 22px;font-weight:800;cursor:pointer}.button.hot{background:var(--hot)}.button:hover{transform:translateY(-2px);box-shadow:0 8px 20px #15192728}.hero{padding:76px 0 58px;background:#fff}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}.eyebrow,.tag{color:var(--hot);font-size:13px;font-weight:900;letter-spacing:2px}.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.08;margin:14px 0 22px;letter-spacing:-4px}.hero p{font-size:18px;color:var(--muted);max-width:690px}.hero-panel{background:var(--ink);color:#fff;border-radius:28px;padding:30px;box-shadow:var(--shadow)}.hero-panel strong{font-size:48px;display:block;color:var(--lime);line-height:1}.metric{display:flex;justify-content:space-between;padding:18px 0;border-bottom:1px solid #ffffff22;color:#c8ccda}.metric b{color:#fff}.section{padding:70px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:28px}.section h2{font-size:34px;line-height:1.2;margin:8px 0}.section-head p{color:var(--muted);max-width:550px;margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);transition:.25s}.card:hover{transform:translateY(-5px);box-shadow:0 20px 50px #20294d1c}.card h3{margin:12px 0 8px;font-size:21px}.card p{color:var(--muted);margin:0}.article-list{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}.article{padding:25px;border-top:1px solid var(--line)}.article:first-child{border-top:0}.article h3{margin:7px 0;font-size:24px}.article time{color:var(--hot);font-size:13px;font-weight:800}.tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}.tag-pill{background:#f0efff;color:var(--violet);padding:5px 12px;border-radius:99px;font-size:13px;font-weight:800}.timeline{border-left:3px solid var(--lime);padding-left:25px}.timeline li{margin:0 0 20px;padding-left:5px}.timeline strong{display:block;font-size:19px}.timeline span{color:var(--muted)}.faq{display:grid;grid-template-columns:1fr 1fr;gap:18px}.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:19px 22px}.faq summary{font-weight:800;cursor:pointer}.faq p{color:var(--muted);margin:12px 0 0}.subscribe{background:var(--violet);color:#fff;border-radius:28px;padding:38px;display:flex;justify-content:space-between;align-items:center;gap:25px}.subscribe p{color:#e1dfff}.subscribe form{display:flex;gap:10px}.subscribe input{border:0;border-radius:99px;padding:14px 18px;min-width:240px}.footer{background:var(--ink);color:#fff;padding:45px 0}.footer small{color:#aeb3c5}.footer-row{display:flex;justify-content:space-between;gap:30px}.footer a{color:#d7d9e2;margin-left:20px}@media(max-width:768px){.container{padding:0 17px}.topline,.section-head,.footer-row,.subscribe{display:block;padding-top:22px;padding-bottom:22px}.nav{margin-top:16px;gap:14px;justify-content:space-between;font-size:14px}.nav-cta{display:none}.hero{padding:48px 0}.hero-grid,.article-list,.faq{grid-template-columns:1fr}.hero h1{letter-spacing:-2px}.grid{grid-template-columns:1fr 1fr}.subscribe form{margin-top:20px}}@media(max-width:520px){.grid{grid-template-columns:1fr}.subscribe input{min-width:0;width:100%;margin-bottom:10px}.subscribe form{display:block}.footer a{display:inline-block;margin:14px 15px 0 0}}