/* roulang page: index */
:root{--ink:#f5f7ff;--muted:#9da7c5;--bg:#080b16;--panel:#11172a;--panel2:#151d35;--line:#27304b;--cyan:#5ce1e6;--violet:#9b7bff;--orange:#ffb86b;--shadow:0 18px 50px #0006;--radius:22px}*{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{color:inherit;text-decoration:none;transition:.25s}img{max-width:100%;display:block}button{font:inherit}.container{max-width:1180px}.site-header{border-bottom:1px solid var(--line);background:#080b16eF;backdrop-filter:blur(16px);position:sticky;top:0;z-index:10}.mast{display:flex;align-items:center;gap:28px;padding:20px 0}.brand{font-size:22px;font-weight:800;letter-spacing:-1px;white-space:nowrap}.brand em{color:var(--cyan);font-style:normal}.navline{height:1px;background:var(--line);flex:1}.nav-link{color:var(--muted);padding:8px 14px;border-radius:12px}.nav-link:hover,.nav-link.active{background:#1b2641;color:var(--cyan)}.hero{padding:82px 0 70px;background:radial-gradient(circle at 85% 15%,#263c77 0,#0d1326 32%,transparent 60%)}.eyebrow,.tag{display:inline-flex;border:1px solid #41617a;color:var(--cyan);border-radius:99px;padding:4px 12px;font-size:13px;letter-spacing:1px}.hero h1{font-size:clamp(42px,6vw,78px);line-height:1.1;letter-spacing:-3px;margin:22px 0}.hero p{color:var(--muted);font-size:18px;max-width:720px}.btn-main,.btn-soft{display:inline-block;border-radius:13px;padding:12px 22px;font-weight:700;margin:20px 10px 0 0}.btn-main{background:var(--cyan);color:#071119}.btn-main:hover{transform:translateY(-3px);box-shadow:0 10px 25px #5ce1e655}.btn-soft{border:1px solid var(--line);color:var(--ink)}.btn-soft:hover{border-color:var(--cyan);color:var(--cyan)}section{padding:76px 0;border-bottom:1px solid #171d31}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}.section-head h2{font-size:clamp(28px,4vw,44px);margin:0;line-height:1.2}.section-head p{color:var(--muted);max-width:570px;margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 8px 25px #0002;transition:.3s}.card:hover{transform:translateY(-5px);border-color:#526b9e;box-shadow:var(--shadow)}.card h3{font-size:21px;margin:14px 0 8px}.card p,.list p{color:var(--muted);margin:0}.number{font-size:42px;color:var(--cyan);font-weight:800;line-height:1}.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.dark{background:var(--panel)}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.step{padding:22px;border-left:2px solid var(--violet);background:#11172a}.step strong{color:var(--orange);font-size:28px}.list{border-top:1px solid var(--line)}.list-item{display:flex;justify-content:space-between;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}.list-item small{color:var(--orange);white-space:nowrap}.quote{font-size:22px;color:#e7ebff}.metric{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:18px 0}.metric b{font-size:28px;color:var(--cyan)}.cta{background:linear-gradient(110deg,#16284a,#201b42);text-align:center;border:1px solid #354b78;border-radius:var(--radius);padding:58px 24px}.footer{padding:38px 0;color:var(--muted)}.footer a:hover{color:var(--cyan)}.focus-ring:focus-visible,.nav-link:focus-visible,.btn-main:focus-visible,.btn-soft:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
@media(max-width:992px){.grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.mast{gap:14px}.navline{display:none}}@media(max-width:768px){.mast{flex-wrap:wrap}.brand{width:100%}.hero{padding:58px 0}.hero h1{letter-spacing:-2px}.split{grid-template-columns:1fr;gap:24px}section{padding:55px 0}.section-head{display:block}.section-head p{margin-top:14px}.list-item{display:block}.list-item small{display:block;margin-top:8px}}@media(max-width:520px){.grid,.steps{grid-template-columns:1fr}.nav-link{padding:6px 8px;font-size:14px}.hero p{font-size:16px}.card{padding:21px}.btn-main,.btn-soft{width:100%;text-align:center;margin-right:0}}

/* roulang page: category1 */
:root{--ink:#f5f7ff;--muted:#9da7c5;--bg:#080b16;--panel:#11172a;--panel2:#151d35;--line:#27304b;--cyan:#5ce1e6;--violet:#9b7bff;--orange:#ffb86b;--shadow:0 18px 50px #0006;--radius:22px}*{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{color:inherit;text-decoration:none;transition:.25s}button{font:inherit}.container{max-width:1180px}.site-header{border-bottom:1px solid var(--line);background:#080b16ed;backdrop-filter:blur(16px);position:sticky;top:0;z-index:10}.mast{min-height:82px;display:flex;align-items:center;gap:28px}.brand{font-size:22px;font-weight:800;letter-spacing:-1px;white-space:nowrap}.brand span{color:var(--cyan);font-weight:500}.navline{height:1px;background:var(--line);flex:1}nav{display:flex;gap:5px}.nav-link{color:var(--muted);padding:8px 14px;border-radius:12px}.nav-link:hover,.nav-link.active{background:#1b2641;color:var(--cyan)}.hero{padding:85px 0 72px;background:radial-gradient(circle at 85% 15%,#263c77 0,#0d1326 32%,transparent 60%)}.eyebrow,.tag{display:inline-flex;border:1px solid #41617a;color:var(--cyan);border-radius:99px;padding:4px 12px;font-size:13px;letter-spacing:1px}.hero h1{font-size:clamp(40px,6vw,74px);line-height:1.1;letter-spacing:-3px;margin:22px 0}.hero p{color:var(--muted);font-size:18px;max-width:680px}.btn-main,.btn-soft{display:inline-block;border-radius:13px;padding:12px 22px;font-weight:700;margin:20px 10px 0 0}.btn-main{background:var(--cyan);color:#071119}.btn-main:hover{transform:translateY(-3px);box-shadow:0 10px 25px #5ce1e655}.btn-soft{border:1px solid var(--line)}.btn-soft:hover{border-color:var(--cyan);color:var(--cyan)}.scoreboard{background:#10182cdd;border:1px solid #3a4c78;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.scoreboard h3{font-size:18px}.rank{display:flex;align-items:center;gap:14px;padding:15px 0;border-bottom:1px solid var(--line)}.rank:last-child{border:0}.rank b{color:var(--orange);font-size:20px}.rank small{color:var(--muted);margin-left:auto}.section{padding:72px 0;border-bottom:1px solid #171d31}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}.section-head h2{font-size:clamp(28px,4vw,44px);margin:0;line-height:1.2}.section-head p{color:var(--muted);max-width:580px;margin:0}.card{height:100%;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 8px 25px #0002;transition:.3s}.card:hover{transform:translateY(-5px);border-color:#526b9e;box-shadow:var(--shadow)}.card h3{font-size:21px;margin:14px 0 8px}.card p,.muted{color:var(--muted);margin:0}.feature{background:var(--panel2);border-left:3px solid var(--cyan)}.metric{font-size:38px;font-weight:800;color:var(--cyan);line-height:1}.metric-label{color:var(--muted);font-size:14px}.match{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}.match:last-child{border:0}.match strong{display:block}.match small{color:var(--orange)}.faq{border-bottom:1px solid var(--line);padding:20px 0}.faq h3{font-size:18px;margin:0 0 7px}.cta{background:linear-gradient(110deg,#16284a,#201b42);text-align:center;border:1px solid #354b78;border-radius:var(--radius);padding:58px 24px}.footer{padding:38px 0;color:var(--muted)}.footer a:hover{color:var(--cyan)}.focus-ring:focus-visible{outline:3px solid var(--orange);outline-offset:3px}@media(max-width:768px){.mast{display:block;padding:16px 0}.brand{display:block;margin-bottom:12px}.navline{display:none}.hero{padding:58px 0}.hero h1{letter-spacing:-2px}.section{padding:55px 0}.section-head{display:block}.section-head p{margin-top:14px}.match{display:block}.match small{display:block;margin-top:7px}.btn-main,.btn-soft{width:100%;text-align:center;margin-right:0}}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}