/* China Budget Travel — static site styles */
:root{--bg:#f6f7f9;--surface:#fff;--surface-2:#f0f3f7;--text:#15202b;--muted:#5d6a78;--line:#dfe5eb;--accent:#0c6cf2;--accent-2:#0a56bf;--success:#146c43;--warning:#8a5a00;--shadow:0 14px 40px rgba(20,34,52,.08);--radius:18px;--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.7}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(var(--max),calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:800;letter-spacing:-.02em;white-space:nowrap}.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#0c6cf2,#67a6ff);display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px rgba(12,108,242,.24)}.brand-mark svg{width:22px}.brand-sub{display:block;font-size:11px;line-height:1.2;color:var(--muted);font-weight:600;letter-spacing:.05em;text-transform:uppercase}.nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.nav a,.nav summary{color:var(--text);font-weight:650;font-size:14px;padding:9px 11px;border-radius:10px;cursor:pointer;list-style:none}.nav a:hover,.nav summary:hover{background:var(--surface-2);text-decoration:none}.nav details{position:relative}.nav details[open] summary{background:var(--surface-2)}.dropdown{position:absolute;right:0;top:44px;min-width:230px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px}.dropdown a{display:block}.header-actions{display:flex;align-items:center;gap:8px}.icon-btn{border:1px solid var(--line);background:var(--surface);color:var(--text);width:38px;height:38px;border-radius:10px;cursor:pointer;display:grid;place-items:center}.mobile-toggle{display:none}.hero{padding:72px 0 54px;background:radial-gradient(circle at 15% 0%,rgba(50,129,255,.14),transparent 34%),radial-gradient(circle at 90% 10%,rgba(32,197,167,.1),transparent 28%)}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}h1{font-size:clamp(34px,5vw,60px);line-height:1.04;letter-spacing:-.045em;margin:18px 0 18px;max-width:850px}h2{font-size:clamp(25px,3vw,36px);line-height:1.2;letter-spacing:-.03em;margin:0 0 18px}h3{font-size:20px;line-height:1.3;margin:28px 0 10px}p{margin:0 0 16px}.lead{font-size:19px;color:var(--muted);max-width:790px}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:24px;align-items:stretch}.hero-card,.card,.article,.callout,.source-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-card{padding:30px}.hero-side{padding:26px;background:linear-gradient(180deg,var(--surface),var(--surface-2))}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px}.stat{padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.stat strong{display:block;font-size:24px;line-height:1.1}.stat span{font-size:12px;color:var(--muted)}.section{padding:34px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-head p{color:var(--muted);max-width:700px;margin:0}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{padding:22px}.card h3{margin:0 0 8px}.card p{color:var(--muted);font-size:15px}.arrow{font-weight:800}.pill{display:inline-flex;padding:5px 9px;border-radius:999px;background:var(--surface-2);color:var(--muted);font-size:12px;font-weight:800}.notice{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-radius:16px;background:#eef5ff;border:1px solid #cfe1ff;color:#24415f;margin:20px 0}.notice strong{color:var(--text)}.warning{background:#fff8e8;border-color:#f1dda3;color:#5d4600}.success{background:#edf9f3;border-color:#c6ebd6;color:#245c40}.article-shell{padding:46px 0 70px}.article{padding:34px}.article .article-lead{font-size:18px;color:var(--muted);max-width:850px}.meta{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 24px}.meta span{font-size:12px;color:var(--muted);border:1px solid var(--line);background:var(--surface-2);padding:5px 9px;border-radius:999px}.toc{padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--surface-2);margin:24px 0}.toc strong{display:block;margin-bottom:8px}.toc a{margin-right:12px;display:inline-block;font-size:14px}.prose{max-width:880px}.prose ul,.prose ol{padding-left:22px}.prose li+li{margin-top:6px}.prose table{width:100%;border-collapse:collapse;margin:18px 0;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:block;overflow-x:auto}.prose th,.prose td{text-align:left;padding:12px 13px;border-bottom:1px solid var(--line);min-width:140px}.prose th{background:var(--surface-2);font-size:13px}.prose tr:last-child td{border-bottom:0}.prose blockquote{margin:22px 0;padding:18px 20px;border-left:4px solid var(--accent);background:var(--surface-2);border-radius:0 14px 14px 0;color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}.mini-card{padding:20px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}.cta{margin-top:28px;padding:24px;border-radius:18px;background:linear-gradient(135deg,#0c6cf2,#1559c5);color:#fff}.cta a{color:#fff;text-decoration:underline}.footer{margin-top:30px;background:var(--surface);border-top:1px solid var(--line);padding:36px 0 24px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px}.footer h3{font-size:14px;margin:0 0 10px}.footer p,.footer a{font-size:14px;color:var(--muted)}.footer-links{display:flex;flex-direction:column;gap:8px}.footer-bottom{border-top:1px solid var(--line);margin-top:24px;padding-top:16px;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}.source-box{padding:18px;margin-top:24px}.source-box h3{font-size:15px;margin:0 0 9px}.source-box ul{margin:0;padding-left:18px}.source-box li{margin:5px 0;font-size:14px}.faq details{border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:14px 16px}.faq details+details{margin-top:9px}.faq summary{cursor:pointer;font-weight:750}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:12px}.breadcrumb a{color:var(--muted)}.kicker-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}.kicker{padding:20px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}.kicker strong{display:block;font-size:16px}.kicker span{font-size:13px;color:var(--muted)}.checklist{display:grid;gap:10px}.check{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:13px;background:var(--surface)}.check b{display:inline-grid;place-items:center;width:23px;height:23px;border-radius:50%;background:#edf9f3;color:var(--success);font-size:13px;flex:0 0 auto}.dark{--bg:#0d1218;--surface:#121923;--surface-2:#182230;--text:#eaf0f6;--muted:#9ba9b6;--line:#273444;--shadow:0 16px 46px rgba(0,0,0,.24)}.dark .site-header{background:color-mix(in srgb,var(--surface) 92%,transparent)}.dark .notice{background:#142337;border-color:#2d527e;color:#bcd5f2}.dark .warning{background:#2b2414;border-color:#5f4b23;color:#e7d296}.dark .success{background:#10251b;border-color:#29553c;color:#bde0cb}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:920px){.hero-grid,.footer-grid{grid-template-columns:1fr}.card-grid{grid-template-columns:1fr 1fr}.nav{display:none}.mobile-toggle{display:grid}.mobile-nav{display:none}.mobile-nav.open{display:flex;flex-direction:column;padding:10px 0 14px;border-top:1px solid var(--line)}.mobile-nav a{padding:12px 6px}.header-inner{min-height:64px}.stats{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:700px){.wrap{width:min(var(--max),calc(100% - 22px))}.hero{padding:46px 0 36px}.article-shell{padding:28px 0 50px}.article{padding:22px}.card-grid,.split,.kicker-grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr}.section{padding:24px 0}.footer-grid{grid-template-columns:1fr}.nav{gap:0}}
.figure{margin:26px 0}.figure img{display:block;width:100%;max-width:400px;height:auto;margin:0 auto;border-radius:14px;border:1px solid var(--line);background:var(--surface-2);box-shadow:var(--shadow)}.figure figcaption{max-width:400px;margin:10px auto 0;font-size:13px;line-height:1.6;color:var(--muted);text-align:center}.figure-inline{margin:20px 0 0}
/* navfix */
.mobile-nav{display:none}