*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:#1c2430;background:#fff}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.25;color:#0d1b2a}h1{font-size:clamp(2rem,4.5vw,3.1rem);margin:.3em 0}
h2{font-size:1.9rem;margin:0 0 .8em}h3{font-size:1.15rem;margin:.2em 0 .5em}
a{color:#0b6e99}
.nav{position:sticky;top:0;background:rgba(255,255,255,.95);border-bottom:1px solid #e6ebf0;z-index:10}
.nav-in{display:flex;justify-content:space-between;align-items:center;height:62px}
.brand{font-weight:800;font-size:1.3rem;letter-spacing:.08em;color:#0d1b2a;text-decoration:none}
.nav nav a{margin-left:22px;text-decoration:none;color:#334;font-size:.95rem}
.btn{display:inline-block;background:#0b6e99;color:#fff!important;padding:12px 22px;border-radius:8px;text-decoration:none;font-weight:600;border:2px solid #0b6e99}
.btn.ghost{background:transparent;color:#0b6e99!important}.btn.sm{padding:6px 14px}
.hero{padding:96px 0 80px;background:linear-gradient(135deg,#0d1b2a 0%,#12385a 100%);color:#e8eef5}
.hero h1{color:#fff;max-width:820px}.hero .lead{max-width:720px;color:#c9d6e3}
.hero .btn.ghost{color:#fff!important;border-color:#8fb3cf}
.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-size:.8rem;color:#7fc4e6;margin:0}
.lead{font-size:1.15rem}.cta{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}.center .cta{justify-content:center}
section{padding:80px 0}.band{background:#f4f7fa}.sub{margin-top:-.6em;color:#556}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.card,.pkg{background:#fff;border:1px solid #e1e7ee;border-radius:12px;padding:26px}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.steps li{border-top:3px solid #0b6e99;padding-top:18px}
.steps span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#0b6e99;color:#fff;font-weight:700}
.pkg{display:flex;flex-direction:column}.pkg.feature{border:2px solid #0b6e99;box-shadow:0 8px 24px rgba(11,110,153,.12)}
.tag{margin:0;font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:#0b6e99;font-weight:700}
.price{font-size:1.6rem;font-weight:800;margin:.2em 0 .4em;color:#0d1b2a}.price small{font-size:.9rem;font-weight:500;color:#667;margin-left:8px}
.pkg ul{padding-left:20px;margin:0 0 14px;flex:1}.pkg li{margin:4px 0}
.terms{font-size:.9rem;color:#556;border-top:1px solid #e6ebf0;padding-top:10px;margin:0}
dt{font-weight:700;margin-top:12px}dd{margin:2px 0 0}.note{font-size:.9rem;color:#7a5b00;background:#fff7dc;padding:8px 12px;border-radius:6px}
.facts{width:100%;border-collapse:collapse}.facts th,.facts td{text-align:left;padding:8px 0;border-bottom:1px solid #eef1f4;vertical-align:top}.facts th{width:38%;color:#556;font-weight:600}
.center{text-align:center}.center .lead{max-width:640px;margin:0 auto}
footer{background:#0d1b2a;color:#9fb1c3;padding:26px 0;font-size:.88rem}
@media(max-width:820px){.grid3,.grid2,.steps{grid-template-columns:1fr}.nav nav a:not(.btn){display:none}section{padding:56px 0}.hero{padding:64px 0 56px}}
.nav-r{display:flex;align-items:center}
.lang{margin-left:20px;font-size:.9rem;color:#99a;white-space:nowrap}.lang a{text-decoration:none;color:#334}.lang span{color:#0b6e99;font-weight:700}
html:lang(zh) body,html:lang(zh-Hans) body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Noto Sans SC","Source Han Sans SC",sans-serif;line-height:1.75}
html:lang(zh-Hans) h1,html:lang(zh-Hans) h2,html:lang(zh-Hans) h3{line-height:1.4;letter-spacing:.01em}
html:lang(zh-Hans) .eyebrow,html:lang(zh-Hans) .tag{letter-spacing:.08em}
html:lang(zh-Hans) .nav nav a{margin-left:18px}
@media(max-width:820px){.lang{margin-left:14px}}