/* ChinaTripBlueprint.com — clean travel style */
:root{
  --ink:#1f2937; --ink-soft:#4b5563; --accent:#0e7490; --accent-soft:#cffafe;
  --paper:#ffffff; --mist:#f8fafc; --line:#e2e8f0; --gold:#b45309;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;font-size:17px}
img{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}

/* header */
.site-header{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:1.15rem;font-weight:700;color:var(--ink)}
.logo span{color:var(--accent)}
.nav a{margin-left:22px;color:var(--ink-soft);font-size:.95rem}
.nav a:hover{color:var(--accent);text-decoration:none}
@media(max-width:720px){.nav a{margin-left:12px;font-size:.85rem}.nav .wide{display:none}}

/* hero */
.hero{background:linear-gradient(135deg,#f0fdfa 0%,#ecfeff 60%,#e0f2fe 100%);border-bottom:1px solid var(--line)}
.hero-in{padding:72px 20px 60px;text-align:center}
.hero h1{font-size:clamp(1.8rem,4.5vw,2.9rem);line-height:1.25;max-width:820px;margin:0 auto 18px}
.hero p.sub{font-size:1.15rem;color:var(--ink-soft);max-width:680px;margin:0 auto 10px}
.hero p.note{font-size:.9rem;color:var(--gold);margin-top:14px}
.cta-row{margin-top:28px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 26px;border-radius:8px;font-weight:600;font-size:1rem}
.btn-pri{background:var(--accent);color:#fff}
.btn-pri:hover{background:#155e75;text-decoration:none}
.btn-ghost{border:1.5px solid var(--accent);color:var(--accent)}
.btn-ghost:hover{background:var(--accent-soft);text-decoration:none}

/* sections */
section{padding:56px 0}
.sec-title{font-size:1.7rem;margin-bottom:8px}
.sec-sub{color:var(--ink-soft);margin-bottom:28px;max-width:720px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:900px){.grid3{grid-template-columns:1fr 1fr}.grid4{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid3,.grid4{grid-template-columns:1fr}}
.card{border:1px solid var(--line);border-radius:12px;padding:22px;background:var(--mist);display:flex;flex-direction:column}
.card h3{font-size:1.12rem;margin-bottom:8px}
.card p{font-size:.95rem;color:var(--ink-soft);flex:1}
.card .tag{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.card a.more{margin-top:14px;font-weight:600;font-size:.95rem}

/* trust + email */
.trust{background:var(--mist);border-block:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:720px){.trust-grid{grid-template-columns:1fr}}
.email-box{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:28px;display:flex;gap:18px;align-items:center;flex-wrap:wrap;justify-content:space-between}
.email-box .t{font-size:1.2rem;font-weight:700}
.email-box form{display:flex;gap:10px;flex-wrap:wrap}
.email-box input[type=email]{padding:11px 14px;border:1px solid var(--line);border-radius:8px;min-width:260px;font-size:1rem}

/* posts list */
.post-list{list-style:none}
.post-list li{border-bottom:1px solid var(--line);padding:18px 0}
.post-list a{font-size:1.1rem;font-weight:600;color:var(--ink)}
.post-list a:hover{color:var(--accent)}
.post-list .meta{font-size:.85rem;color:var(--ink-soft);margin-top:4px}

/* article */
.article{max-width:780px;margin:0 auto;padding:48px 20px}
.article h1{font-size:clamp(1.7rem,3.6vw,2.4rem);line-height:1.3;margin-bottom:10px}
.article .updated{color:var(--ink-soft);font-size:.9rem;margin-bottom:26px}
.article h2{font-size:1.4rem;margin:34px 0 12px;padding-top:10px}
.article h3{font-size:1.15rem;margin:24px 0 8px}
.article p,.article li{margin-bottom:12px;color:#334155}
.article ul,.article ol{padding-left:24px;margin-bottom:16px}
.article table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.95rem}
.article th,.article td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article th{background:var(--mist)}
.answer{border-left:4px solid var(--accent);background:var(--mist);padding:16px 20px;border-radius:0 10px 10px 0;margin-bottom:22px}
.answer b{color:var(--accent)}

/* faq */
.faq details{border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px;background:var(--paper)}
.faq summary{font-weight:600;cursor:pointer}
.faq p{margin-top:10px;color:#334155}

/* footer */
.site-footer{border-top:1px solid var(--line);background:var(--mist);padding:40px 0 32px;font-size:.9rem;color:var(--ink-soft)}
.footer-in{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer-in a{color:var(--ink-soft)}
.footer-in a:hover{color:var(--accent)}

/* misc */
.muted{color:var(--ink-soft)}
.center{text-align:center}
.disclaimer{font-size:.82rem;color:var(--ink-soft);background:var(--mist);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:24px auto 0;max-width:780px}
@media(max-width:560px){.hero-in{padding:48px 16px 40px}section{padding:40px 0}}