:root{--sun:#f97316;--sky:#0ea5e9;--sand:#fef3c7;--text:#1e293b;--muted:#64748b;--white:#fff;--radius:16px}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#fffbf0;color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--sun);text-decoration:none;transition:color .2s}
a:hover{color:#ea580c}
img{display:block;max-width:100%}
.top-nav{display:flex;justify-content:space-between;align-items:center;padding:14px 5%;background:var(--white);box-shadow:0 2px 12px rgba(0,0,0,.04);position:sticky;top:0;z-index:50}
.logo-sun{font-size:20px;font-weight:800;color:var(--sun);display:flex;align-items:center;gap:8px}
.logo-sun img{border-radius:6px}
nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
nav a{color:var(--text);font-size:14px;font-weight:500;padding:6px 14px;border-radius:50px}
nav a:hover{color:var(--sun)}
nav a.active{background:linear-gradient(135deg,#f97316,#ea580c);color:#fff}
.nav-btn{background:linear-gradient(135deg,#f97316,#ea580c);color:#fff!important;padding:8px 22px;border-radius:50px;font-weight:600!important}
.nav-btn:hover{color:#fff!important}
/* Hero */
.hero-travel{background:linear-gradient(135deg,#ffedd5 0%,#e0f2fe 50%,#fef3c7 100%);padding:60px 5%;text-align:center}
.hero-travel h1{font-size:40px;font-weight:900;margin-bottom:12px;line-height:1.2}
.hero-travel h1 .grad-t{background:linear-gradient(135deg,#f97316,#0ea5e9);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-travel .sub-text{color:var(--muted);font-size:17px;max-width:600px;margin:0 auto 28px}
.search-big{display:inline-flex;background:var(--white);border-radius:50px;padding:6px 6px 6px 24px;box-shadow:0 8px 30px rgba(0,0,0,.08);gap:12px;align-items:center}
.search-big input{border:none;outline:none;font-size:16px;width:300px}
.search-big .btn-search{background:linear-gradient(135deg,#f97316,#ea580c);color:#fff;border:none;padding:14px 32px;border-radius:50px;font-weight:700;font-size:15px;cursor:pointer}
/* 能力 chips 居中 */
.dest-scroll{display:flex;justify-content:center;flex-wrap:wrap;gap:16px;padding:24px 5%;max-width:1300px;margin:0 auto}
.dest-chip{display:inline-block;background:var(--white);border-radius:16px;padding:16px 20px;text-align:center;box-shadow:0 2px 8px rgba(0,0,0,.04);transition:transform .2s;cursor:pointer;text-decoration:none;color:var(--text);flex:0 1 auto}
.dest-chip:hover{transform:translateY(-4px)}
.dest-chip .dest-emoji{font-size:36px;display:block;margin-bottom:6px}
.dest-chip .dest-name{font-size:14px;font-weight:600}
.dest-chip .dest-count{font-size:11px;color:var(--muted)}
/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;padding:40px 5%;max-width:1400px;margin:0 auto}
.travel-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.04);transition:transform .2s}
.travel-card:hover{transform:translateY(-6px)}
.travel-card .tc-img{height:200px;position:relative;overflow:hidden}
.travel-card .tc-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.travel-card:hover .tc-img img{transform:scale(1.05)}
.travel-card .tc-tag{position:absolute;top:12px;left:12px;background:rgba(0,0,0,.6);color:#fff;padding:4px 12px;border-radius:50px;font-size:12px}
.travel-card .tc-body{padding:20px}
.travel-card h3{font-size:18px;margin-bottom:8px}
.travel-card .tc-desc{font-size:14px;color:var(--muted);line-height:1.7}
.travel-card .tc-footer{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-top:1px solid #f1f5f9;font-size:13px;color:var(--muted)}
.travel-card .tc-footer .more{color:var(--sun);font-weight:600}
/* 大 CTA */
.big-cta{margin:0 5% 60px;background:linear-gradient(135deg,#f97316,#ea580c);border-radius:24px;padding:50px;text-align:center;color:#fff}
.big-cta h2{font-size:28px;margin-bottom:8px}
.big-cta p{opacity:.9;margin-bottom:24px}
.big-cta .btn-white-big{background:#fff;color:#ea580c;padding:14px 44px;border-radius:50px;font-weight:700;font-size:16px;text-decoration:none;display:inline-block}
.big-cta .btn-white-big:hover{background:#ffedd5;color:#ea580c}
/* 正文 */
.content-section{background:var(--white);border-radius:var(--radius);padding:40px;box-shadow:0 2px 10px rgba(0,0,0,.04);max-width:900px;margin:0 auto}
.content-section h2{font-size:22px;font-weight:600;margin:26px 0 12px;color:var(--text)}
.content-section h2:first-child{margin-top:0}
.content-section p{margin-bottom:14px;color:#3a4050;line-height:1.9}
.content-section ul,.content-section ol{margin:14px 0;padding-left:24px;color:#3a4050}
.content-section li{margin-bottom:8px}
.content-section strong{color:var(--sun)}
/* FAQ */
.faq-item{border-bottom:1px solid #f1f5f9;padding:20px 0}
.faq-item:last-child{border-bottom:none}
.faq-item h2{font-size:18px;font-weight:600;color:var(--text);margin-bottom:8px;margin-top:0}
.faq-item p{color:var(--muted);line-height:1.8}
/* 文章详情 */
article{max-width:820px;margin:0 auto;padding:40px 0}
article h1{font-size:30px;font-weight:700;margin-bottom:10px;line-height:1.4;color:var(--text)}
.meta{font-size:13px;color:var(--muted);margin-bottom:26px;padding-bottom:18px;border-bottom:1px solid #f1f5f9}
article h2{font-size:22px;font-weight:600;margin:30px 0 12px;color:var(--text)}
article p{margin-bottom:14px;color:#3a4050;line-height:1.9}
article ul,article ol{margin:0 0 18px 24px;color:#3a4050}
article li{margin-bottom:8px}
article strong{color:var(--sun)}
/* footer */
footer{background:#1e293b;color:#94a3b8;padding:48px 5% 30px}
footer .f-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:24px}
footer h4{color:#fff;font-size:14px;margin-bottom:12px}
footer a{color:#94a3b8;display:block;margin-bottom:8px;font-size:13px}
footer a:hover{color:var(--sun)}
footer .f-bot{border-top:1px solid #334155;padding-top:20px;text-align:center;font-size:13px}
footer .f-bot a{display:inline;color:#cbd5e1}
@media(max-width:768px){
  .hero-travel h1{font-size:26px}
  nav{display:none}
  .search-big input{width:180px}
  .card-grid{grid-template-columns:1fr}
  .content-section{padding:24px}
  article{padding:24px 0}
  footer .f-grid{grid-template-columns:1fr 1fr}
  body{font-size:16px}
}
@media(max-width:480px){
  .search-big{flex-direction:column;padding:12px}
  .search-big input{width:100%;text-align:center}
  .search-big .btn-search{width:100%}
}