:root{--brand-blue:#0565ab;--brand-blue-dark:#0a4275;--brand-orange:#ff6b09;--brand-orange-soft:#ff8a3d;--bg:#f5f7fa;--surface:#fff;--ink:#1f2933;--muted:#5b6b7b;--line:#e2e8f0;--radius:16px;--maxw:1160px;--shadow:0 8px 30px #0a427514}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,system-ui,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}h1,h2,h3{letter-spacing:-.01em;line-height:1.25}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}.section{padding:72px 0}.section-title{color:var(--brand-blue-dark);margin:0 0 8px;font-size:30px;font-weight:700}.section-sub{color:var(--muted);margin:0 0 40px;font-size:16px}.en{color:var(--brand-orange);letter-spacing:2px;text-transform:uppercase;margin-bottom:6px;font-size:13px;font-weight:600;display:block}.btn{cursor:pointer;border:none;border-radius:999px;align-items:center;gap:8px;padding:12px 22px;font-size:15px;font-weight:600;transition:transform .15s,box-shadow .15s,background .15s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--brand-orange);color:#fff}.btn-primary:hover{box-shadow:0 10px 24px #ff6b0959}.btn-ghost{color:var(--brand-blue);border:1.5px solid var(--brand-blue);background:0 0}.btn-ghost:hover{background:#0565ab0f}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}.grid{gap:22px;display:grid}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4, `1fr`)}@media (width<=880px){.grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}}.tag{color:var(--brand-blue);background:#0565ab14;border-radius:999px;margin:0 6px 8px 0;padding:4px 12px;font-size:13px;display:inline-block}.header{z-index:50;backdrop-filter:blur(8px);border-bottom:1px solid var(--line);background:#ffffffeb;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;height:64px;display:flex}.logo-row{align-items:center;gap:12px;display:flex}.logo-row img{width:40px;height:40px}.logo-row b{color:var(--brand-blue-dark);font-size:18px}.nav{align-items:center;gap:26px;display:flex}.nav a{color:var(--ink);font-size:15px;font-weight:500}.nav a:hover{color:var(--brand-orange)}@media (width<=820px){.nav{display:none}}.hero{background:linear-gradient(135deg, var(--brand-blue-dark), var(--brand-blue));color:#fff}.hero-inner{grid-template-columns:1.1fr .9fr;align-items:center;gap:40px;padding:80px 0;display:grid}.hero h1{margin:16px 0 18px;font-size:44px}.hero p.lead{color:#ffffffe6;max-width:36ch;font-size:18px}.hero .badge{color:var(--brand-orange-soft);letter-spacing:1px;background:#ff6b092e;border:1px solid #ff8a3d99;border-radius:999px;padding:6px 16px;font-size:13px;display:inline-block}.hero-logo{filter:drop-shadow(0 12px 28px #00000040);width:200px;margin:0 auto}@media (width<=880px){.hero-inner{text-align:center;grid-template-columns:1fr}.hero .lead{margin:0 auto}.hero-logo{margin-top:20px}}table{border-collapse:collapse;background:var(--surface);border-radius:var(--radius);width:100%;box-shadow:var(--shadow);overflow:hidden}th,td{text-align:left;border-bottom:1px solid var(--line);padding:14px 16px;font-size:14px}thead th{background:var(--brand-blue);color:#fff;font-weight:600}tbody tr:last-child td{border-bottom:none}td.hl,th.hl{background:#ff6b0914;font-weight:600}.flow{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.flow .step{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;flex:160px;padding:18px 20px}.flow .arrow{color:var(--brand-orange);font-weight:700}.adv{gap:16px;display:flex}.adv .num{color:var(--brand-orange);min-width:42px;font-size:26px;font-weight:800}.adv h3{margin:0 0 6px;font-size:17px}.adv p{color:var(--muted);margin:0;font-size:14px}.price-card{text-align:center}.price-card.featured{border:2px solid var(--brand-orange);transform:translateY(-8px)}.price-card .p-name{font-size:20px;font-weight:700}.price-card .p-price{color:var(--brand-orange);margin:12px 0 4px;font-size:34px;font-weight:800}.price-card .p-old{color:var(--muted);font-size:14px;text-decoration:line-through}.price-card ul{text-align:left;margin:18px 0;padding:0;list-style:none}.price-card li{border-bottom:1px dashed var(--line);padding:6px 0;font-size:14px}.footer{background:var(--brand-blue-dark);color:#ffffffd9;padding:40px 0}.footer a{color:var(--brand-orange-soft)}.footer .cols{grid-template-columns:2fr 1fr 1fr;gap:30px;display:grid}@media (width<=820px){.footer .cols{grid-template-columns:1fr}}.form-field{margin-bottom:16px}.form-field label{margin-bottom:6px;font-size:14px;font-weight:600;display:block}.form-field input,.form-field textarea{border:1px solid var(--line);background:#fff;border-radius:10px;width:100%;padding:11px 14px;font-size:15px}.form-field input:focus,.form-field textarea:focus{outline:2px solid var(--brand-blue);border-color:#0000}.section.alt{background:#eef3f8}.section h2.section-title{font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}