:root{--navy:#071523;--navy2:#0d2235;--card:#fff;--ink:#0b1d2f;--muted:#607286;--blue:#139df2;--orange:#ff9d16;--line:#dce6ef;--soft:#f4f8fb}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--soft);color:var(--ink)}
a{text-decoration:none}.top{background:#061321;color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid #22364a}.nav{max-width:1180px;margin:auto;height:66px;display:flex;align-items:center;gap:26px;padding:0 20px}.brand{font-weight:900;font-size:20px;color:#fff;margin-right:auto}.brand b{color:var(--orange)}.nav a{color:#dce9f4;font-size:14px;font-weight:700}
.hero{background:linear-gradient(135deg,#071827,#0d2d47);color:#fff}.wrap{max-width:1180px;margin:auto;padding:46px 20px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}.hero img{width:100%;height:390px;object-fit:cover;border-radius:24px;border:1px solid #31516a}.eyebrow{font-size:12px;letter-spacing:1.8px;font-weight:900;color:#5cc6ff}.hero h1{font-size:50px;line-height:1.02;margin:12px 0 18px}.hero p{font-size:18px;line-height:1.55;color:#d6e4ef}.btn{display:inline-block;border:0;border-radius:10px;padding:15px 20px;font-weight:900;cursor:pointer}.btn.primary{background:var(--orange);color:#071523}.btn.blue{background:var(--blue);color:white}.btn.ghost{border:1px solid #9db2c3;color:#fff}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}.step{background:#102a3e;border:1px solid #2c4b62;border-radius:15px;padding:18px}.step b{display:block;color:#fff;margin-bottom:7px}.step span{color:#c8d8e5;font-size:14px;line-height:1.45}
.section{max-width:1180px;margin:auto;padding:48px 20px}.section h2{font-size:34px;margin:0 0 12px}.lead{color:var(--muted);font-size:17px;line-height:1.55;max-width:820px}
.learn{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}.learn article,.toolbox,.result,.product{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 30px rgba(15,42,65,.06)}.learn article{padding:22px}.learn h3{margin:0 0 8px}.learn p{margin:0;color:var(--muted);line-height:1.5}
.toolbox{padding:26px;margin-top:24px}.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field label{display:block;font-weight:800;font-size:13px;margin-bottom:7px}.field select{width:100%;padding:14px;border:1px solid #bdccd9;border-radius:9px;background:#fff;font-size:15px}.tool-actions{margin-top:18px}.result{margin-top:20px;padding:24px;display:none}.result.show{display:grid;grid-template-columns:190px 1fr;gap:24px;align-items:center}.result img{width:190px;height:150px;object-fit:cover;border-radius:14px}.result h3{font-size:27px;margin:0 0 7px}.result p{color:var(--muted);line-height:1.5}.result .why{font-size:13px;background:#edf6fc;padding:10px;border-radius:8px;margin:12px 0}
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}.product{overflow:hidden}.product img{width:100%;height:190px;object-fit:cover}.product-body{padding:18px}.product h3{margin:0 0 8px}.tag{display:inline-block;font-size:11px;font-weight:900;color:#0875b6;background:#e7f6ff;border-radius:20px;padding:6px 9px;margin-bottom:10px}.product p{color:var(--muted);line-height:1.45;min-height:62px}.disclosure{font-size:12px;color:#6e7e8d;margin-top:18px}.foot{background:#061321;color:#b9c8d4;padding:30px 20px;text-align:center;font-size:12px}
@media(max-width:800px){.hero-grid,.result.show{grid-template-columns:1fr}.hero h1{font-size:38px}.hero img{height:280px}.learn,.products,.steps,.tool-grid{grid-template-columns:1fr}.nav a:not(.brand){display:none}.result img{width:100%;height:220px}}

.result.show{grid-template-columns:260px 1fr;border:3px solid #ff9d16;background:#fff8ed}
.result img{width:260px;height:210px}.result h3{font-size:32px}.price{font-size:23px;font-weight:900;margin:8px 0;color:#0b1d2f}
.matchline{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}.pill{background:#eaf5fc;border:1px solid #c5e3f4;padding:7px 10px;border-radius:99px;font-size:12px;font-weight:800}
.buyrow{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:14px}.buyrow .btn.primary{font-size:16px;padding:16px 22px}
.product .price{font-size:18px}.product p{min-height:44px}.product-body .btn{width:100%;text-align:center}
.trust{font-size:12px;color:#63788b;margin-top:8px}.notice{background:#fff3d7;border:1px solid #f2cc75;border-radius:12px;padding:13px 15px;margin-top:15px;font-size:13px}