*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC",system-ui,sans-serif;background:#fff;color:#1a1a1a;line-height:1.78;font-size:16px}
a{color:#0277bd;text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.site-header{background:#fff;border-bottom:2px solid #b3e5fc;position:sticky;top:0;z-index:200}
.header-inner{max-width:920px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;position:relative}
.brand{display:flex;align-items:center;gap:10px;color:#111;font-weight:600;font-size:.95rem}
.brand em{font-style:normal;color:#0277bd;font-weight:700}
.site-nav ul{display:flex;flex-wrap:wrap;gap:6px 18px;list-style:none}
.site-nav a{color:#555;font-size:.9rem;padding:4px 0}
.site-nav a.active,.site-nav a:hover{color:#0277bd;font-weight:600;border-bottom:2px solid #0277bd;text-decoration:none}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:22px;height:2px;background:#333;transition:.2s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.ads-top-bar{background:#fafafa;border-bottom:1px solid #eee;padding:10px 0}
.applist-title{font-size:.78rem;color:#888;text-align:center;margin-bottom:6px}
#ads{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.hero-chev{max-width:920px;margin:0 auto;padding:36px 20px 28px;background:linear-gradient(180deg,#e1f5fe 0%,#fff 100%)}
.hero-chev .tag{display:inline-block;font-size:.76rem;color:#0277bd;border:1px solid #81d4fa;padding:4px 14px;border-radius:999px;margin-bottom:14px}
.hero-chev h1{font-size:1.75rem;line-height:1.35;margin-bottom:16px;color:#111}
.hero-chev .lead{color:#333;margin-bottom:12px;font-size:1.02rem;text-align:justify}
.chev-list{max-width:920px;margin:0 auto;padding:28px 20px 48px;counter-reset:chev}
.chev-step{position:relative;padding:0 0 36px 56px;scroll-margin-top:80px}
.chev-step:last-child{padding-bottom:0}
.chev-step::before{content:"";position:absolute;left:19px;top:40px;bottom:0;width:2px;background:#b3e5fc}
.chev-step:last-child::before{display:none}
.chev-num{position:absolute;left:0;top:0;width:40px;height:40px;background:#0277bd;color:#fff;font-weight:700;font-size:1rem;display:flex;align-items:center;justify-content:center;clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%)}
.chev-body{background:#fff;border:1px solid #b3e5fc;border-radius:12px;padding:22px 24px}
.chev-body h2{font-size:1.12rem;margin-bottom:12px;color:#01579b}
.chev-body p{margin-bottom:12px;color:#333;text-align:justify;font-size:.96rem}
.chev-body figure{margin:14px 0;border:1px solid #e1f5fe;border-radius:8px;overflow:hidden}
.chev-body figcaption{font-size:.78rem;color:#666;padding:8px 12px;background:#fafafa}
.hotel-note{margin:12px 0;padding:12px 16px;background:#e1f5fe;border-radius:8px;font-size:.92rem;color:#01579b}
.site-footer{background:#fafafa;border-top:1px solid #eee;padding:28px 20px;text-align:center;font-size:.88rem;color:#666}
.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-bottom:10px}
.prose-page{max-width:760px;margin:0 auto;padding:32px 20px 48px}
.prose-page h1{font-size:1.5rem;margin-bottom:16px}
.prose-page p{margin-bottom:12px;color:#333}
@media(max-width:720px){
  .nav-toggle{display:flex}
  .site-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid #eee;padding:12px 20px;display:none}
  .site-nav.is-open{display:block}
  .site-nav ul{flex-direction:column;gap:10px}
  .chev-step{padding-left:48px}
}