*{box-sizing:border-box}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:#f8fafc;color:#111827}
a{text-decoration:none;color:inherit}
.wrap{max-width:1120px;margin:auto;padding:0 20px}
.hidden{display:none!important}

.header{background:#fff;border-bottom:1px solid #e5e7eb}
.logo{font-size:28px;font-weight:800;color:#2563eb}
.logo span{color:#111827}
.nav{height:68px;display:flex;align-items:center;justify-content:space-between}
.menu{display:flex;align-items:center;gap:22px}
.menu a,.nav-link{color:#4b5563;font-size:15px;font-weight:600}
.menu a:hover,.nav-link:hover{color:#2563eb}
.dropdown{position:relative;padding:22px 0}
.dropdown-menu{position:absolute;top:58px;left:50%;transform:translateX(-50%);min-width:250px;background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:12px;display:none;box-shadow:0 20px 45px rgba(15,23,42,.14);z-index:999}
.dropdown-menu:before{content:"";position:absolute;top:-18px;left:0;width:100%;height:18px}
.dropdown-menu a{display:block;padding:11px 14px;border-radius:10px;color:#334155;white-space:nowrap}
.dropdown-menu a:hover{background:#f1f5f9;color:#2563eb}
.dropdown:hover .dropdown-menu{display:block}
.wide-menu{min-width:300px}
.lang-menu{min-width:180px}
.nav-actions{display:flex;align-items:center;gap:10px}
.account-btn{height:42px;display:inline-flex;align-items:center;padding:0 16px;border-radius:999px;background:#2563eb;color:#fff;font-size:14px;font-weight:700}
.account-btn:hover{background:#1d4ed8;color:#fff}
.icon-btn{width:42px;height:42px;border-radius:50%;border:1px solid #dbe3ef;background:#fff;color:#334155;cursor:pointer;font-size:17px;padding:0;display:flex;align-items:center;justify-content:center}
.icon-btn:hover,.mobile-tools:hover{background:#f1f5f9}
.mobile-tools{display:none;height:42px;line-height:42px;padding:0 14px;border-radius:999px;border:1px solid #dbe3ef;background:#fff;color:#334155;font-size:14px;font-weight:600}
.mobile-menu{display:none;padding:0}
.mobile-dropdown{left:auto;right:0;transform:none;top:52px;min-width:210px}
.nav-lang{padding:0}
.nav-lang>a{display:flex;align-items:center;height:42px;padding:0 14px;border:1px solid #dbe3ef;border-radius:999px;background:#fff;color:#334155;font-size:14px;font-weight:600}
.nav-lang .dropdown-menu{left:auto;right:0;transform:none;top:52px}

.hero{text-align:center;padding:64px 0 34px}
.hero h1{font-size:50px;margin:0 0 14px;letter-spacing:-1px;line-height:1.12}
.hero p{max-width:780px;margin:auto;color:#64748b;font-size:18px;line-height:1.7}
.hero-actions{margin-top:26px;display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

.btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 20px;border-radius:999px;font-weight:700;font-size:15px}
.btn-primary{background:#2563eb;color:#fff}
.btn-primary:hover{background:#1d4ed8}
.btn-light{background:#fff;color:#334155;border:1px solid #dbe3ef}
.btn-light:hover{background:#f1f5f9}

.section{padding:28px 0}
.section-title{display:flex;align-items:end;justify-content:space-between;margin-bottom:18px}
.section-title h2{font-size:28px;margin:0}
.section-title p{margin:0;color:#64748b}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:20px;padding:22px;box-shadow:0 10px 30px rgba(15,23,42,.04);transition:.18s}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(15,23,42,.08);border-color:#c7d2fe}
.card h3{font-size:20px;margin:0 0 10px}
.card p{margin:0;color:#64748b;font-size:15px;line-height:1.7}
.badge{display:inline-block;margin-top:15px;background:#eef2ff;color:#2563eb;border-radius:30px;padding:6px 11px;font-size:13px;font-weight:600}

.category-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:10px}
.cat{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:18px;box-shadow:0 10px 30px rgba(15,23,42,.04)}
.cat strong{display:block;font-size:17px;margin-bottom:6px}
.cat span{color:#64748b;font-size:14px;line-height:1.5}
.cat:hover{border-color:#c7d2fe;box-shadow:0 14px 34px rgba(15,23,42,.08)}

.mini-links{background:#fff;border:1px solid #e5e7eb;border-radius:20px;padding:20px;box-shadow:0 10px 30px rgba(15,23,42,.04)}
.mini-links h2{font-size:24px;margin:0 0 14px}
.link-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.link-list a{padding:11px 12px;border-radius:12px;color:#334155;background:#f8fafc;font-size:15px}
.link-list a:hover{background:#eef2ff;color:#2563eb}

.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.faq-item{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:20px}
.faq-item h3{margin:0 0 8px;font-size:18px}
.faq-item p{margin:0;color:#64748b;line-height:1.7;font-size:15px}
.topic-box{background:#fff;border:1px solid #e5e7eb;border-radius:20px;padding:20px}
.topics{display:flex;flex-wrap:wrap;gap:10px}
.topics a{background:#f1f5f9;color:#334155;border-radius:999px;padding:8px 12px;font-size:14px}
.topics a:hover{background:#eef2ff;color:#2563eb}

.footer{background:#111827;color:#cbd5e1;text-align:center;padding:34px 18px;margin-top:48px}
.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:12px 20px;margin-bottom:14px}
.footer-links a{color:#e5e7eb;font-size:14px}
.footer-links a:hover{color:#60a5fa}
.footer-desc{margin:0 auto 14px;color:#94a3b8;font-size:14px;line-height:1.7}
.footer p{margin:0 0 8px}

.tool67-plan-info{font-size:14px;color:#64748b;font-weight:700}
.tool67-plan-info b{color:#2563eb}
.limit-box{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:16px;padding:18px;line-height:1.7;margin-top:12px}
.limit-box strong{display:block;font-size:18px;margin-bottom:8px}
.limit-actions{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.limit-actions a{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 18px;border-radius:999px;background:#2563eb;color:#fff;font-weight:700;text-decoration:none}
.limit-actions a:last-child{background:#111827}

body.dark{background:#0f172a;color:#e5e7eb}
body.dark .header,
body.dark .card,
body.dark .mini-links,
body.dark .faq-item,
body.dark .topic-box,
body.dark .dropdown-menu,
body.dark .cat{background:#111827;border-color:#1f2937}
body.dark .logo span,
body.dark .card h3,
body.dark .faq-item h3,
body.dark .section-title h2,
body.dark .mini-links h2,
body.dark .cat strong{color:#f8fafc}
body.dark .menu a,
body.dark .nav-link,
body.dark .dropdown-menu a,
body.dark .link-list a,
body.dark .topics a{color:#cbd5e1}
body.dark .card p,
body.dark .hero p,
body.dark .section-title p,
body.dark .faq-item p,
body.dark .cat span{color:#94a3b8}
body.dark .link-list a,
body.dark .topics a{background:#0f172a}
body.dark .icon-btn,
body.dark .mobile-tools,
body.dark .nav-lang>a,
body.dark .btn-light{background:#111827;color:#e5e7eb;border-color:#334155}

@media(max-width:1050px){
  .menu{display:none}
  .nav-link,.account-btn{display:none}
  .mobile-menu{display:block}
  .mobile-tools{display:inline-block}
}

@media(max-width:900px){
  .wrap{padding:0 14px}
  .nav{height:64px}
  .logo{font-size:26px}
  .nav-actions{gap:7px}
  .icon-btn{width:40px;height:40px;font-size:15px}
  .nav-lang>a{height:40px;padding:0 12px}
  .mobile-tools{height:40px;line-height:40px;padding:0 13px}
  .hero{padding:48px 0 24px}
  .hero h1{font-size:42px;line-height:1.12;letter-spacing:-1.2px}
  .hero p{font-size:16px;line-height:1.65;max-width:96%}
  .section{padding:22px 0}
  .section-title{display:block;margin-bottom:14px}
  .section-title h2{font-size:24px}
  .section-title p{margin-top:6px;font-size:14px}
  .category-strip{grid-template-columns:repeat(2,1fr);gap:12px}
  .grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .faq{grid-template-columns:1fr;gap:12px}
  .link-list{grid-template-columns:repeat(2,1fr);gap:9px}
  .cat{padding:15px;border-radius:16px}
  .cat strong{font-size:15px}
  .cat span{font-size:13px}
  .card{padding:16px;border-radius:16px}
  .card h3{font-size:17px}
  .card p{font-size:13px;line-height:1.55}
  .badge{font-size:12px;padding:5px 9px}
  .mini-links,.topic-box{padding:16px;border-radius:16px}
  .mini-links h2{font-size:22px}
  .link-list a{font-size:13px;padding:10px}
  .topics a{font-size:13px;padding:7px 10px}
}

@media(max-width:520px){
  .wrap{padding:0 12px}
  .hero h1{font-size:38px}
  .hero-actions .btn{width:100%}
  .category-strip{grid-template-columns:repeat(2,1fr)}
  .grid{grid-template-columns:repeat(2,1fr)}
  .link-list{grid-template-columns:1fr}
  .cat span{display:none}
  .card p{display:none}
  .card{min-height:138px}
}