:root{--ink:#0A2540;--paper:#F5F8FA;--cyan:#0E7CAB;--amber:#E8871E;--line:#C9D8E4;--steel:#5B7186}
*{box-sizing:border-box}body{margin:0;font-family:'Segoe UI',Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65}
a{color:var(--cyan)}a:hover{color:var(--amber)}
.topbar{background:var(--ink);color:#DCEBF5;font-size:.85rem;padding:.35rem 1rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.topbar a{color:#fff}
header.site{position:sticky;top:0;background:#fff;border-bottom:2px solid var(--cyan);z-index:50}
.navbar{max-width:1240px;margin:0 auto;display:flex;align-items:center;gap:1.2rem;padding:.7rem 1rem}
.logo{font-weight:800;font-size:1.25rem;color:var(--ink);text-decoration:none;letter-spacing:.04em}
.logo span{color:var(--cyan)}
nav.mainnav{margin-left:auto}nav.mainnav ul{display:flex;gap:1.1rem;list-style:none;margin:0;padding:0;align-items:center}
nav.mainnav a{text-decoration:none;color:var(--ink);font-weight:600}
.hasmenu{position:relative}
.hasmenu .menu{display:none;position:absolute;left:0;top:100%;background:#fff;border:1px solid var(--line);min-width:260px;padding:.6rem;box-shadow:0 12px 30px rgba(10,37,64,.18)}
.hasmenu:hover .menu,.hasmenu:focus-within .menu{display:block}
.hasmenu .menu a{display:block;padding:.35rem .5rem;font-weight:500}
.cta-btn{background:var(--amber);color:#fff!important;padding:.5rem .9rem;border-radius:4px}
.sig-trace{font-family:'Courier New',monospace;font-size:.78rem;letter-spacing:.14em;color:#fff;padding:.45rem 1rem;text-transform:uppercase}
.sig--index{background:repeating-linear-gradient(90deg,#0A2540 0 46px,#0E7CAB 46px 48px)}
.sig--structure{background:repeating-linear-gradient(90deg,#0A2540 0 46px,#5B7186 46px 48px)}
.sig--category{background:repeating-linear-gradient(45deg,#0A2540 0 46px,#0E7CAB 46px 48px)}
.sig--series{background:repeating-linear-gradient(135deg,#0A2540 0 46px,#E8871E 46px 48px)}
.sig--detail{background:repeating-linear-gradient(90deg,#123A5F 0 34px,#0E7CAB 34px 36px)}
.sig--compare{background:repeating-linear-gradient(45deg,#123A5F 0 34px,#E8871E 34px 36px)}
.sig--guide{background:repeating-linear-gradient(90deg,#0A2540 0 60px,#5B7186 60px 62px)}
.sig--blog{background:repeating-linear-gradient(135deg,#0A2540 0 60px,#0E7CAB 60px 62px)}
.hero{background:linear-gradient(120deg,#0A2540 55%,#123A5F);color:#fff;padding:2.6rem 1rem}
.hero-in{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:1.05fr .95fr;gap:2rem;align-items:center}
.hero h1{font-size:2.3rem;line-height:1.2;margin:.2rem 0 .8rem}
.hero p{color:#DCEBF5}
.hero img{width:100%;border:3px solid #fff;border-radius:6px}
.hero-cta{display:inline-block;background:var(--amber);color:#fff!important;padding:.7rem 1.4rem;border-radius:4px;text-decoration:none;font-weight:700;margin:.2rem 0 1rem}
.hero-cta:hover{background:var(--cyan)}
.hero.compact{padding:1.1rem 1rem}
.hero.compact h1{font-size:1.6rem;margin:.1rem 0 .5rem}
.hero.compact .hero-in{grid-template-columns:1fr}
.table-scroll{overflow-x:auto}
@media(max-width:640px){.model-table{display:block;width:100%;min-width:0}.model-table tr{display:block;border:1px solid var(--line);background:#fff;margin:0 0 .6rem;padding:.4rem 0}.model-table th,.model-table td{display:block;border:0;padding:.3rem .7rem}}
.plate{background:#fff;border:1px solid var(--line);border-top:4px solid var(--cyan);padding:1rem 1.2rem;border-radius:4px}
.hero .plate{color:var(--ink)}
main{max-width:1240px;margin:0 auto;padding:1.6rem 1rem 2.4rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}
.card{background:#fff;border:1px solid var(--line);border-radius:6px;padding:1rem}
.card.featured{grid-column:span 2;background:var(--ink);color:#fff;border-top:5px solid var(--amber)}
.card.featured a{color:#FFD9A8}.card.featured h3{font-size:1.35rem}
.card img{width:100%;height:150px;object-fit:cover;border-radius:4px}
.card h3{margin:.5rem 0}
table{border-collapse:collapse;width:100%;background:#fff;margin:1rem 0}
th,td{border:1px solid var(--line);padding:.55rem .7rem;text-align:left;vertical-align:top}
th{background:#EAF2F8}
figure{margin:1rem 0}figure img{max-width:100%;border-radius:6px}
figcaption{color:var(--steel);font-size:.9rem}
.checkplate{background:#EAF2F8;border-left:5px solid var(--amber);padding:1rem 1.2rem;margin:1.2rem 0}
.ctaband{background:var(--ink);color:#fff;padding:1.4rem;border-radius:6px;margin:1.6rem 0;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;align-items:center}
.ctaband a{background:var(--amber);color:#fff;padding:.6rem 1rem;border-radius:4px;text-decoration:none;font-weight:700}
form.inq{background:#fff;border:1px solid var(--line);padding:1.2rem;border-radius:6px;max-width:720px}
form.inq label{display:block;font-weight:600;margin:.8rem 0 .3rem}
form.inq input[type=text],form.inq input[type=email],form.inq textarea{width:100%;padding:.6rem;border:1px solid var(--steel);border-radius:4px}
form.inq button{background:var(--cyan);color:#fff;border:0;padding:.7rem 1.4rem;border-radius:4px;font-weight:700;margin-top:1rem}
footer.site{background:var(--ink);color:#DCEBF5;padding:2rem 1rem}
.foot-in{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.4rem}
footer.site a{color:#fff}
.burger{display:none}
@media(max-width:820px){.hero-in{grid-template-columns:1fr}.hero h1{font-size:1.7rem}nav.mainnav ul{flex-wrap:wrap;gap:.6rem}.hasmenu .menu{position:static;box-shadow:none}.card.featured{grid-column:span 1}}
.lang-switch{position:relative;margin-left:.4rem}
.lang-switch summary{cursor:pointer;list-style:none;font-weight:600;color:var(--ink);padding:.2rem .4rem;white-space:nowrap}
.lang-switch summary::-webkit-details-marker{display:none}
.lang-switch ul{position:absolute;right:0;top:100%;background:#fff;border:1px solid var(--line);min-width:170px;padding:.6rem;box-shadow:0 12px 30px rgba(10,37,64,.18);list-style:none;margin:0;z-index:60}
.lang-switch li{margin:.15rem 0}
.lang-switch a{text-decoration:none;color:var(--ink);font-weight:600}
.lang-switch .cur{color:var(--cyan);font-weight:700}