/* roulang page: index */
:root{--ink:#151827;--muted:#687086;--bg:#f5f7fb;--card:#fff;--line:#e6eaf2;--violet:#635bff;--cyan:#16c7c0;--dark:#17192b;--radius:20px;--shadow:0 18px 45px rgba(35,40,78,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{max-width:1180px;margin:auto;padding:0 24px}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between}.logo{font-size:22px;font-weight:800;letter-spacing:-1px}.logo b{color:var(--violet)}.nav{display:flex;gap:28px;align-items:center}.nav a{font-size:14px;color:var(--muted);transition:.25s}.nav a:hover,.nav a.active{color:var(--violet)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 21px;font-weight:700;border:0;transition:.25s}.nav-cta,.btn-primary{background:var(--violet);color:#fff;box-shadow:0 10px 22px #635bff33}.btn:hover,.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.05)}.btn-secondary{background:#fff;border:1px solid var(--line);margin-left:10px}.hero{padding:76px 0 62px;background:linear-gradient(135deg,#fff 0%,#eef0ff 100%)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:58px;align-items:center}.eyebrow,.tag{color:var(--violet);font-weight:800;font-size:13px;letter-spacing:1px}.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.15;margin:15px 0}.hero p{font-size:18px;color:var(--muted);max-width:650px}.hero-panel{background:var(--dark);color:#fff;padding:28px;border-radius:26px;box-shadow:var(--shadow);transform:rotate(2deg)}.panel-top{display:flex;justify-content:space-between;color:#b7b9cc}.score{font-size:54px;font-weight:800;color:#72e5dc;margin:20px 0 8px}.bar{height:9px;background:#35384e;border-radius:9px;margin:12px 0}.bar i{display:block;height:100%;background:var(--cyan);border-radius:inherit}.section{padding:76px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px}.section h2{font-size:34px;line-height:1.25;margin:8px 0}.section-head p{color:var(--muted);max-width:560px;margin:0}.search{display:flex;gap:12px;background:#fff;border:1px solid var(--line);padding:10px;border-radius:16px;max-width:720px;box-shadow:var(--shadow)}.search input{border:0;flex:1;margin:0;box-shadow:none}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 8px 25px #27305c08;transition:.25s}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.icon{width:44px;height:44px;border-radius:14px;background:#eeedff;color:var(--violet);display:grid;place-items:center;font-weight:800;font-size:20px}.card h3{margin:17px 0 7px;font-size:20px}.card p,.list p{color:var(--muted);font-size:14px;margin:0}.metric{background:var(--dark);color:#fff;border-radius:18px;padding:24px}.metric strong{display:block;color:#72e5dc;font-size:34px}.metric span{color:#b7b9cc;font-size:13px}.list{display:grid;gap:14px}.list-item{display:flex;justify-content:space-between;gap:20px;padding:17px 0;border-bottom:1px solid var(--line)}.rank{color:var(--violet);font-weight:800;font-size:22px}.quote{font-size:17px}.quote em{color:#f2a93b;font-style:normal}.cta{background:var(--violet);color:#fff;border-radius:26px;padding:54px;text-align:center}.cta h2{margin-top:0}.cta p{color:#e5e3ff}.site-footer{background:var(--dark);color:#fff;padding:45px 0}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px}.site-footer p,.site-footer a{color:#adb0c3;font-size:14px}.site-footer a{display:block;margin:7px 0}.copyright{border-top:1px solid #30334a;margin-top:30px;padding-top:20px;color:#8c90a7;font-size:12px}@media(max-width:800px){.hero-grid,.grid-3{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.nav{gap:10px}.nav a:not(.nav-cta){display:none}.hero{padding-top:48px}.hero-panel{transform:none}.section-head{display:block}.section-head p{margin-top:10px}.footer-grid{grid-template-columns:1fr}}@media(max-width:520px){.container{padding:0 17px}.grid-4{grid-template-columns:1fr}.hero h1{font-size:40px}.btn-secondary{margin:10px 0 0}.hero .btn{width:100%}.cta{padding:35px 22px}}

/* roulang page: category1 */
:root{--ink:#151827;--muted:#687086;--bg:#f5f7fb;--card:#fff;--line:#e6eaf2;--violet:#635bff;--cyan:#16c7c0;--dark:#17192b;--radius:20px;--shadow:0 18px 45px rgba(35,40,78,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{max-width:1180px;margin:auto;padding:0 24px}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between}.logo{font-size:22px;font-weight:800;letter-spacing:-1px}.logo b{color:var(--violet)}.nav{display:flex;gap:28px;align-items:center}.nav a{font-size:14px;color:var(--muted);transition:.25s}.nav a:hover,.nav a.active{color:var(--violet)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 21px;font-weight:700;transition:.25s}.nav-cta,.btn-primary{background:var(--violet);color:#fff;box-shadow:0 10px 22px #635bff33}.btn:hover,.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.05)}.btn-secondary{background:#fff;border:1px solid var(--line)}
.hero{padding:78px 0 65px;background:linear-gradient(135deg,#fff,#eef0ff)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:center}.eyebrow,.tag{color:var(--violet);font-weight:800;font-size:13px;letter-spacing:1px}.hero h1{font-size:clamp(38px,5vw,62px);line-height:1.18;margin:15px 0}.hero p{font-size:18px;color:var(--muted);max-width:680px}.hero-panel{background:var(--dark);color:#fff;padding:30px;border-radius:26px;box-shadow:var(--shadow);transform:rotate(2deg)}.panel-top{display:flex;justify-content:space-between;color:#b9bdd2;font-size:13px}.score{font-size:48px;color:#fff;font-weight:800;margin:16px 0}.progress{height:9px;border-radius:9px;background:#353850;overflow:hidden}.progress i{display:block;width:72%;height:100%;background:var(--cyan)}.panel-list{margin-top:22px;display:grid;gap:10px}.panel-list span{display:flex;justify-content:space-between;padding:11px 13px;background:#252841;border-radius:10px;font-size:14px}
.section{padding:70px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px}.section h2{font-size:34px;line-height:1.25;margin:8px 0}.section-head p{color:var(--muted);max-width:560px;margin:0}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 8px 25px #27305c08;transition:.25s}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.card h3{margin:12px 0 7px;font-size:20px}.card p,.list p{color:var(--muted);font-size:14px;margin:0}.icon{width:42px;height:42px;border-radius:13px;background:#eeefff;color:var(--violet);display:grid;place-items:center;font-weight:800}.list{display:grid;gap:14px}.list-item{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}.list-item strong{font-size:16px}.date{color:var(--muted);font-size:13px;white-space:nowrap}.quote{font-size:17px;color:var(--ink);margin:0 0 18px}.cta{background:var(--violet);color:#fff;border-radius:26px;padding:52px;text-align:center}.cta h2{margin-top:0}.cta p{color:#e5e3ff}.site-footer{background:var(--dark);color:#fff;padding:45px 0}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px}.site-footer p,.site-footer a{color:#adb0c3;font-size:14px}.site-footer a{display:block;margin:7px 0}.copyright{border-top:1px solid #30334a;margin-top:30px;padding-top:20px;color:#8c90a7;font-size:12px}
a:focus,.btn:focus{outline:3px solid #16c7c088;outline-offset:3px}@media(max-width:800px){.hero-grid,.grid-3{grid-template-columns:1fr}.hero-panel{transform:none}.nav{gap:10px}.nav a:not(.nav-cta){display:none}.section-head{display:block}.section-head p{margin-top:10px}.footer-grid{grid-template-columns:1fr}}@media(max-width:520px){.container{padding:0 17px}.hero{padding-top:48px}.hero h1{font-size:40px}.hero .btn{width:100%;margin-top:10px}.cta{padding:35px 22px}}