:root { --ink:#232a35; --muted:#667180; --paper:#f8fafc; --panel:#fff; --line:#dfe5ec; --blue:#2f6fa6; --blue-soft:#e9f1f8; --apricot:#d99a78; --shadow:0 16px 36px rgba(35,42,53,.11); }

*{box-sizing:border-box}
 html{scroll-behavior:smooth}
 body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,Helvetica,sans-serif;line-height:1.75}
 a{color:inherit;text-decoration:none}
 img{display:block;max-width:100%;height:auto}

.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.header-inner,.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:700}
.brand img{width:40px;height:40px;border-radius:50%}
.nav{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--muted)}
.nav a:hover{color:var(--blue)}
.download{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:22px;background:var(--blue);color:#fff;font-weight:700;box-shadow:0 8px 18px rgba(47,111,166,.2)}
.download:hover{background:#245a88}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:50%;width:40px;height:40px;font-size:18px}

.hero{padding:68px 0 48px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,480px);gap:70px;align-items:center}
.eyebrow{color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.12em}
.hero h1,.page-hero h1{font-size:clamp(36px,5vw,62px);line-height:1.2;letter-spacing:-.03em;margin:12px 0 0}
.hero-copy p{max-width:590px;color:var(--muted);font-size:17px;margin:24px 0 28px}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.text-link{color:var(--blue);font-weight:700}
.fact-strip{display:flex;gap:16px;margin-top:34px}
.fact{padding:12px 16px;background:#fff;border:1px solid var(--line);border-radius:12px;font-size:13px;color:var(--muted)}
.fact strong{display:block;color:var(--ink);font-size:18px}
.hero-media{position:relative;display:grid;grid-template-columns:1fr .85fr;align-items:center;gap:18px;padding:24px;border:1px solid var(--line);border-radius:20px;background:var(--blue-soft);box-shadow:var(--shadow)}
.hero-media img{max-height:380px;width:auto;margin:auto;border-radius:12px;box-shadow:0 12px 24px rgba(35,42,53,.16)}
.hero-media img:last-child{transform:translateY(30px)}
.hero-media .route-tag{position:absolute;left:20px;bottom:-18px;padding:8px 14px;border-radius:18px;background:var(--apricot);color:#fff;font-size:12px;font-weight:700}

.section{padding:84px 0}
.section.alt{background:#edf3f8}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
.section-heading h2{font-size:clamp(26px,3vw,38px);line-height:1.25}
.section-heading p{max-width:520px;color:var(--muted);margin:0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:25px;box-shadow:0 7px 20px rgba(35,42,53,.04)}
.card .step{color:var(--blue);font-weight:700;font-size:13px}
.card h3{font-size:20px;margin:10px 0 8px}
.card p{font-size:14px;color:var(--muted);margin:0}
.gallery{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;align-items:start}
.gallery figure{margin:0;padding:16px;background:#fff;border-radius:14px;border:1px solid var(--line)}
.gallery figure:nth-child(2){margin-top:34px}
.gallery img{width:100%;max-width:400px;margin:auto}
.gallery figcaption{font-size:13px;color:var(--muted);margin-top:12px}
.route-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.route{padding:20px;background:#fff;border-top:3px solid var(--blue);border-radius:10px}
.route b{display:block;color:var(--apricot);font-size:24px}
.route h3{font-size:17px;margin:4px 0}
.route p{font-size:13px;color:var(--muted);margin:0}
.cta{padding:74px 0}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:26px;padding:38px 42px;background:var(--blue);color:#fff;border-radius:18px}
.cta-box p{margin:8px 0 0;color:#dceaf5}
.cta-box .download{background:#fff;color:var(--blue);box-shadow:none}
.page-hero{padding:72px 0 44px;background:var(--blue-soft)}
.page-hero p{max-width:700px;color:var(--muted);margin:20px 0 0}
.content{padding:56px 0 84px;max-width:900px}
.content h2{font-size:28px;margin:42px 0 16px}
.content h3{font-size:19px;margin:26px 0 8px}
.content p,.content li{color:#4e5c6a}
.content ul,.content ol{padding-left:24px}
.faq-list{display:grid;gap:12px}
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px}
summary{cursor:pointer;font-weight:700}
details p{color:var(--muted);margin:12px 0 0}
.site-footer{padding:34px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:center}
.copyright{margin:4px 0}

@media(max-width:820px){.header-inner,.container{width:min(100% - 28px,620px)}
.header-inner{min-height:66px}
.menu-toggle{display:inline-flex;align-items:center;justify-content:center}
.nav{display:none;position:absolute;top:66px;left:14px;right:14px;padding:14px;flex-direction:column;align-items:stretch;gap:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.nav.is-open{display:flex}
.nav a{padding:10px 6px}
.nav .download{text-align:center;margin-top:8px}
.hero{padding:32px 0 18px}
.hero-grid{grid-template-columns:1fr;gap:20px}
.hero-copy p{font-size:16px}
.hero-media{padding:16px;max-width:520px;margin:auto}
.hero-media img{max-height:205px}
.fact-strip{flex-wrap:wrap}
.cards,.gallery,.route-list{grid-template-columns:1fr}
.gallery figure:nth-child(2){margin-top:0}
.section{padding:58px 0}
.section-heading{display:block}
.section-heading p{margin-top:12px}
.cta-box,.footer-inner{display:block}
.cta-box .download{margin-top:20px}
.footer-nav{margin-top:12px}
}