/* roulang page: index */
:root{--ink:#13233d;--muted:#64748b;--blue:#2864e8;--cyan:#18b9c9;--bg:#f5f8fc;--card:#fff;--line:#e4eaf3;--dark:#0d1b32;--shadow:0 18px 45px rgba(26,57,102,.1);--r:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none;transition:.25s}img{max-width:100%;display:block}button,input{font:inherit}.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{padding:22px 0;position:relative;z-index:5}.dock{display:flex;align-items:center;gap:28px;padding:12px 18px;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 30px rgba(26,57,102,.08)}.logo{font-weight:900;font-size:18px;white-space:nowrap;color:var(--blue)}.nav{display:flex;gap:8px;flex:1}.nav a{padding:9px 15px;border-radius:12px;color:var(--muted);font-size:14px}.nav a:hover,.nav a.active{background:#edf3ff;color:var(--blue)}.nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;border:0;border-radius:12px;padding:12px 20px;font-weight:700;box-shadow:0 8px 18px rgba(40,100,232,.2)}.button:hover,.nav-cta:hover{background:#174fc9;color:#fff;transform:translateY(-2px)}
.hero{padding:45px 0 78px;background:linear-gradient(110deg,#f6f9ff 15%,#eaf3ff 100%)}.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:55px;align-items:center}.eyebrow,.badge{display:inline-flex;padding:6px 12px;border-radius:30px;background:#e5efff;color:var(--blue);font-weight:800;font-size:12px;letter-spacing:.04em}.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.12;margin:18px 0;color:var(--dark);letter-spacing:-.04em}.hero p{font-size:17px;color:var(--muted);max-width:650px}.actions{display:flex;gap:13px;margin-top:28px}.button.alt{background:#fff;color:var(--blue);border:1px solid #cbdafa;box-shadow:none}.stack{position:relative;min-height:390px}.hero-main{position:absolute;right:8%;top:30px;width:72%;height:290px;border-radius:25px;overflow:hidden;box-shadow:var(--shadow);background:url('/assets/images/a3196a80fe409de6.webp') center/cover}.hero-main:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,#0d1b32d9)}.score-card{position:absolute;z-index:2;bottom:28px;left:10%;right:12%;padding:19px;background:#fff;border-radius:18px;box-shadow:var(--shadow)}.score-card strong{font-size:25px;color:var(--blue)}.side-card{position:absolute;z-index:3;top:0;left:0;background:#fff;border:1px solid var(--line);padding:17px;border-radius:16px;box-shadow:var(--shadow);font-size:13px}.side-card:last-child{left:auto;right:0;top:auto;bottom:0}.section{padding:76px 0}.section.alt{background:#fff}.section-head{max-width:700px;margin-bottom:34px}.section-head h2{font-size:34px;line-height:1.2;margin:10px 0;color:var(--dark)}.section-head p{color:var(--muted);margin:0}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.metric,.card,.quote,.formbox{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:25px;box-shadow:var(--shadow)}.metric b{font-size:31px;color:var(--blue);display:block}.metric span{color:var(--muted);font-size:14px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{transition:.25s}.card:hover{transform:translateY(-5px);box-shadow:0 22px 45px rgba(26,57,102,.15)}.card h3{font-size:20px;margin:12px 0 8px}.card p{color:var(--muted);font-size:14px;margin:0}.icon{width:42px;height:42px;border-radius:13px;background:#eaf2ff;color:var(--blue);display:grid;place-items:center;font-weight:900}.image-card{overflow:hidden;padding:0}.image-card img{height:175px;width:100%;object-fit:cover}.image-card .inner{padding:20px}.dark{background:var(--dark);color:#fff}.dark .section-head h2,.dark h3{color:#fff}.dark .section-head p,.dark p{color:#b5c3da}.split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}.split img{border-radius:var(--r);box-shadow:var(--shadow)}.list{list-style:none;margin:0;padding:0}.list li{padding:14px 0;border-bottom:1px solid var(--line);display:flex;gap:13px}.list li:before{content:"✓";color:var(--cyan);font-weight:900}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.step{border-top:3px solid var(--cyan);padding-top:15px}.step b{color:var(--blue);font-size:13px}.step h3{margin:7px 0}.step p{font-size:14px;color:var(--muted)}.news{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:18px}.news article{background:#fff;border-radius:18px;overflow:hidden;border:1px solid var(--line)}.news img{height:145px;width:100%;object-fit:cover}.news div{padding:17px}.news h3{font-size:17px;margin:0 0 7px}.news p{color:var(--muted);font-size:13px;margin:0}.form-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px}.formbox input,.formbox textarea{width:100%;border:1px solid var(--line);border-radius:11px;padding:12px;margin-bottom:13px;background:#fbfcff}.formbox input:focus,.formbox textarea:focus{outline:3px solid #dce8ff;border-color:var(--blue)}.privacy{font-size:12px;color:var(--muted)}footer{background:#09162b;color:#b7c5d9;padding:45px 0 22px}.footer-grid{display:flex;justify-content:space-between;gap:30px}.footer-brand strong{color:#fff;font-size:20px}.footer-links{display:flex;gap:25px;font-size:14px}.copyright{border-top:1px solid #263650;margin-top:30px;padding-top:18px;font-size:12px;color:#8798b2}
@media(max-width:900px){.hero-grid,.split,.form-layout{grid-template-columns:1fr}.hero{padding-top:25px}.metrics{grid-template-columns:repeat(2,1fr)}.grid3,.news{grid-template-columns:1fr 1fr}.stack{margin-top:10px}}
@media(max-width:600px){.container{width:min(100% - 28px,1160px)}.dock{gap:10px;overflow:auto}.nav{min-width:max-content}.nav-cta{display:none}.hero h1{font-size:40px}.hero p{font-size:15px}.actions{flex-wrap:wrap}.stack{min-height:330px}.hero-main{width:82%;right:4%;height:250px}.metrics,.grid3,.news,.timeline{grid-template-columns:1fr}.section{padding:55px 0}.section-head h2{font-size:28px}.footer-grid{display:block}.footer-links{margin-top:20px;flex-wrap:wrap}.side-card{font-size:11px}}

/* roulang page: category1 */
:root{--ink:#13233d;--muted:#64748b;--blue:#2864e8;--cyan:#18b9c9;--bg:#f5f8fc;--card:#fff;--line:#e4eaf3;--dark:#0d1b32;--shadow:0 18px 45px rgba(26,57,102,.1);--r:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none;transition:.25s}img{max-width:100%;display:block}button,input,textarea{font:inherit}.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{padding:22px 0;position:relative;z-index:5}.dock{display:flex;align-items:center;gap:25px;padding:10px 14px 10px 20px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 12px 35px rgba(26,57,102,.08)}.logo{font-weight:900;font-size:18px;white-space:nowrap;color:var(--blue)}.nav{display:flex;gap:8px;flex:1}.nav a{padding:9px 15px;border-radius:12px;color:var(--muted);font-size:14px}.nav a:hover,.nav a.active{background:#edf3ff;color:var(--blue)}.nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;border:0;border-radius:12px;padding:12px 20px;font-weight:700;box-shadow:0 8px 18px rgba(40,100,232,.2)}.button:hover,.nav-cta:hover{background:#174fc9;color:#fff;transform:translateY(-2px)}
.hero{padding:58px 0 70px;background:linear-gradient(110deg,#f6f9ff,#eaf3ff)}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.eyebrow,.badge{display:inline-flex;padding:6px 12px;border-radius:30px;background:#e5efff;color:var(--blue);font-weight:800;font-size:12px}.hero h1{font-size:clamp(38px,5vw,64px);line-height:1.12;margin:18px 0;color:var(--dark);letter-spacing:-.04em}.hero p{font-size:17px;color:var(--muted);max-width:650px}.actions{display:flex;gap:12px;margin-top:25px}.button.alt{background:#fff;color:var(--blue);border:1px solid #cbdafa;box-shadow:none}.hero-art{position:relative;min-height:330px}.hero-art img{width:100%;height:330px;object-fit:cover;border-radius:25px;box-shadow:var(--shadow)}.score-card{position:absolute;left:28px;right:28px;bottom:22px;padding:18px 20px;background:#fff;border-radius:17px;box-shadow:var(--shadow)}.score-card strong{font-size:24px;color:var(--blue)}
.section{padding:76px 0}.section.alt{background:#fff}.section-head{max-width:720px;margin-bottom:34px}.section-head h2{font-size:34px;line-height:1.2;margin:10px 0;color:var(--dark)}.section-head p{color:var(--muted);margin:0}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.metric,.card,.formbox{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:25px;box-shadow:var(--shadow)}.metric strong{display:block;font-size:30px;color:var(--blue)}.metric span{color:var(--muted);font-size:14px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{transition:.25s}.card:hover{transform:translateY(-5px);box-shadow:0 22px 45px rgba(26,57,102,.15)}.card h3{font-size:20px;margin:12px 0 8px}.card p{color:var(--muted);font-size:14px;margin:0}.image-card{overflow:hidden;padding:0}.image-card img{height:180px;width:100%;object-fit:cover}.image-card .inner{padding:20px}.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.split img{border-radius:var(--r);box-shadow:var(--shadow)}.list{list-style:none;margin:0;padding:0}.list li{padding:14px 0;border-bottom:1px solid var(--line);display:flex;gap:13px}.list li:before{content:"✓";color:var(--cyan);font-weight:900}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.step{padding:20px;background:#f8fbff;border-left:3px solid var(--blue);border-radius:12px}.step b{color:var(--blue);font-size:14px}.step h3{margin:8px 0;font-size:18px}.step p{font-size:14px;color:var(--muted);margin:0}.dark{background:var(--dark);color:#fff}.dark .section-head h2,.dark h3{color:#fff}.dark .section-head p,.dark p{color:#b5c3da}.faq{border-top:1px solid var(--line)}details{padding:20px 0;border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:800;color:var(--ink)}details p{color:var(--muted);margin:12px 0 0}.cta{display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{margin:0;color:#fff}.cta p{margin:8px 0 0}.cta .button{background:#fff;color:var(--blue);box-shadow:none}
footer{background:#09162b;color:#b7c5d9;padding:45px 0 22px}.footer-grid{display:flex;justify-content:space-between;gap:30px}.footer-brand strong{color:#fff;font-size:20px}.footer-links{display:flex;gap:25px;font-size:14px}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid #263650;margin-top:30px;padding-top:18px;font-size:12px;color:#8798b2}
:focus-visible{outline:3px solid #9bbcff;outline-offset:3px}@media(max-width:900px){.hero-grid,.split{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}.grid3,.timeline{grid-template-columns:1fr 1fr}.nav-cta{display:none}}@media(max-width:600px){.container{width:min(100% - 28px,1160px)}.dock{gap:10px;overflow:auto}.nav{min-width:max-content}.hero{padding-top:30px}.hero h1{font-size:40px}.hero p{font-size:15px}.hero-art img{height:270px}.metrics,.grid3,.timeline{grid-template-columns:1fr}.section{padding:55px 0}.section-head h2{font-size:28px}.footer-grid{display:block}.footer-links{margin-top:20px;flex-wrap:wrap}.cta{display:block}.cta .button{margin-top:20px}}