/* roulang page: index */
:root{--navy:#111d35;--ink:#18243b;--muted:#6e7b91;--line:#dfe6ef;--bg:#f5f7fa;--white:#fff;--cyan:#16b8b0;--gold:#e7a83b;--radius:16px;--shadow:0 14px 40px rgba(20,42,75,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.75}a{text-decoration:none;color:inherit}button,input{font:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 40px));margin:auto}.topline{height:4px;background:var(--cyan)}header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}.logo{font-size:20px;font-weight:800;color:var(--navy);letter-spacing:.5px}.logo i{display:inline-block;width:10px;height:10px;background:var(--cyan);margin-right:9px;border-radius:3px}.menu{display:flex;align-items:center;gap:30px;font-size:15px;color:#526078}.menu a{padding:26px 0;border-bottom:3px solid transparent}.menu a:hover,.menu a.active{color:var(--navy);border-color:var(--cyan)}.nav-action,.btn{border:0;border-radius:9px;padding:11px 19px;background:var(--navy);color:white;font-weight:700;transition:.25s}.nav-action:hover,.btn:hover{transform:translateY(-2px);background:#21385e;box-shadow:0 8px 18px #10223d2b}.hero{background:var(--navy);color:#fff;padding:54px 0 48px}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:55px;align-items:center}.eyebrow{color:#7ce3dc;font-weight:700;font-size:13px;letter-spacing:2px}.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.2;margin:14px 0 20px;letter-spacing:-2px}.hero p{color:#c2ccdc;font-size:17px;max-width:700px;margin:0 0 28px}.btn.primary{background:var(--cyan);color:#062b35}.btn.light{background:#fff;color:var(--navy);margin-left:10px}.status-panel{background:#1c2d4b;border:1px solid #3b5072;border-radius:18px;padding:22px;box-shadow:0 16px 36px #08142966}.panel-head{display:flex;justify-content:space-between;color:#d6dfed;font-weight:700}.live{color:#79e1bf;font-size:13px}.signal{height:110px;margin:20px 0;display:flex;align-items:end;gap:7px;border-bottom:1px solid #405473}.signal span{flex:1;background:var(--cyan);border-radius:4px 4px 0 0;opacity:.8}.signal span:nth-child(1){height:35%}.signal span:nth-child(2){height:58%}.signal span:nth-child(3){height:42%}.signal span:nth-child(4){height:78%}.signal span:nth-child(5){height:63%}.signal span:nth-child(6){height:91%}.panel-foot{display:flex;justify-content:space-between;font-size:13px;color:#aebbd0}.section{padding:72px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px}.section h2{margin:0;font-size:30px;line-height:1.3}.section-head p{max-width:620px;color:var(--muted);margin:8px 0 0}.more{color:#078e8a;font-weight:700}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.metric,.card,.quote,.step,.price{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.25s}.metric:hover,.card:hover,.price:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.metric strong{font-size:32px;color:var(--navy);display:block}.metric span{color:var(--muted);font-size:14px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card h3{margin:12px 0 8px;font-size:20px}.card p,.quote p,.step p,.price li{color:var(--muted);font-size:14px;margin:0}.icon{width:42px;height:42px;border-radius:11px;background:#e4f8f6;color:#078e8a;display:grid;place-items:center;font-weight:800}.tag{display:inline-block;padding:4px 10px;background:#fff3d9;color:#9a6a12;border-radius:20px;font-size:12px}.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.matrix a{background:#f4f7fb;padding:20px;border:1px solid var(--line);border-radius:12px;font-weight:700}.matrix a:hover{border-color:var(--cyan);color:#078e8a}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.step b{font-size:30px;color:var(--cyan)}.step h3{margin:7px 0}.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}.compare>div{padding:28px;border-radius:var(--radius)}.before{background:#eef1f5}.after{background:#dff7f3;border:1px solid #b5e8e2}.compare h3{margin-top:0}.list{display:grid;gap:12px}.news{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}.news span{color:var(--muted);font-size:13px}.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.quote strong{display:block;margin-top:18px}.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.price.recommend{border:2px solid var(--cyan);position:relative}.price h3{margin:0 0 8px}.price .amount{font-size:28px;font-weight:800}.price ul{padding-left:18px}.cta{background:var(--cyan);padding:42px;border-radius:20px;display:flex;justify-content:space-between;align-items:center;color:#062b35}.cta h2{margin:0;font-size:28px}.cta p{margin:5px 0 0}.cta .btn{background:var(--navy)}footer{background:var(--navy);color:#b7c3d6;padding:42px 0 24px}.foot{display:flex;justify-content:space-between;gap:30px}.foot .logo{color:#fff}.foot p{font-size:13px;max-width:430px}.foot-links{display:flex;gap:25px;color:#e1e8f2;font-size:14px}.copyright{border-top:1px solid #344560;margin-top:28px;padding-top:18px;font-size:12px;color:#8291a9}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.metrics,.matrix{grid-template-columns:repeat(2,1fr)}.cards,.quotes,.price-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.container{width:min(100% - 28px,1180px)}.nav{height:auto;padding:16px 0;flex-wrap:wrap}.menu{order:3;width:100%;overflow-x:auto;gap:20px}.menu a{padding:6px 0;white-space:nowrap}.nav-action{display:none}.hero{padding:38px 0}.hero h1{font-size:38px}.btn{display:inline-block}.btn.light{margin:10px 0 0}.section{padding:48px 0}.section-head{display:block}.metrics,.cards,.matrix,.steps,.quotes,.price-grid,.compare{grid-template-columns:1fr}.news{display:block}.news span{display:block}.cta,.foot{display:block}.foot-links{margin-top:20px;flex-wrap:wrap}}

/* roulang page: category1 */
:root{--navy:#111d35;--ink:#18243b;--muted:#6e7b91;--line:#dfe6ef;--bg:#f5f7fa;--white:#fff;--cyan:#16b8b0;--gold:#e7a83b;--radius:16px;--shadow:0 14px 40px rgba(20,42,75,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.75}a{text-decoration:none;color:inherit}button,input{font:inherit}.container{width:min(1180px,calc(100% - 40px));margin:auto}header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}.logo{font-size:20px;font-weight:800;color:var(--navy);letter-spacing:.5px}.logo i{display:inline-block;width:10px;height:10px;background:var(--cyan);margin-right:9px;border-radius:3px}.menu{display:flex;gap:30px;font-size:15px;color:#526078}.menu a{padding:26px 0;border-bottom:3px solid transparent}.menu a:hover,.menu a.active{color:var(--navy);border-color:var(--cyan)}.nav-action,.btn{border:0;border-radius:9px;padding:11px 19px;background:var(--navy);color:#fff;font-weight:700;transition:.25s}.nav-action:hover,.btn:hover{transform:translateY(-2px);background:#21385e;box-shadow:0 8px 18px #10223d2b}.hero{background:var(--navy);color:#fff;padding:64px 0}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:42px;align-items:center}.eyebrow{color:#7ce3dc;font-weight:700;font-size:13px;letter-spacing:2px}.hero h1{font-size:clamp(34px,5vw,56px);line-height:1.2;margin:14px 0 20px;letter-spacing:-2px}.hero p{color:#c2ccdc;font-size:17px;max-width:700px;margin:0 0 26px}.btn.primary{background:var(--cyan);color:#062b35}.panel{background:#1c2c49;border:1px solid #38506f;border-radius:18px;padding:25px}.panel strong{font-size:42px;color:#7ce3dc;display:block}.panel span{color:#bcc9da}.section{padding:68px 0}.section.alt{background:#fff}.section-head{margin-bottom:28px}.section h2{margin:0;font-size:30px}.section-head p{color:var(--muted);max-width:700px;margin:7px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.25s}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#a6dedb}.card h3{margin:10px 0 8px;font-size:20px}.card p,.list p{color:var(--muted);font-size:14px;margin:0}.tag{display:inline-block;padding:4px 10px;background:#fff3d9;color:#9a6a12;border-radius:20px;font-size:12px}.news{display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}.news a{display:flex;justify-content:space-between;gap:20px;padding:18px 22px;border-bottom:1px solid var(--line)}.news a:last-child{border:0}.news a:hover{background:#f2fbfa}.news span{color:var(--muted);font-size:13px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat{padding:22px;background:#eef8f7;border-radius:14px}.stat b{display:block;font-size:28px;color:#087f7b}.cta{background:var(--cyan);padding:38px;border-radius:20px;display:flex;justify-content:space-between;align-items:center;color:#062b35}.cta h2{margin:0}.cta p{margin:5px 0}.cta .btn{background:var(--navy)}footer{background:var(--navy);color:#b7c3d6;padding:42px 0 24px}.foot{display:flex;justify-content:space-between;gap:30px}.foot .logo{color:#fff}.foot p{max-width:500px}.foot-links{display:flex;gap:22px}.foot-links a:hover{color:#7ce3dc}.copyright{border-top:1px solid #344560;margin-top:28px;padding-top:18px;font-size:12px;color:#8291a9}@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr 1fr}}@media(max-width:600px){.container{width:calc(100% - 28px)}.nav{height:auto;padding:16px 0;flex-wrap:wrap}.menu{order:3;width:100%;overflow-x:auto;gap:20px}.menu a{padding:6px 0;white-space:nowrap}.nav-action{display:none}.hero{padding:42px 0}.hero h1{font-size:38px}.section{padding:48px 0}.grid,.stats{grid-template-columns:1fr}.cta,.foot{display:block}.foot-links{margin-top:20px;flex-wrap:wrap}.news a{display:block}.news span{display:block;margin-top:4px}}