*,*::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:#1c1917;line-height:1.78;font-size:16px}
a{color:#c2410c;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}

.site-header{background:#fff;border-bottom:2px solid #fed7aa;position:sticky;top:0;z-index:200}
.header-inner{max-width:1120px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;position:relative}
.brand{display:flex;align-items:center;gap:10px;color:#1c1917;font-weight:500;font-size:.94rem}
.brand em{font-style:normal;color:#c2410c;font-weight:700}
.site-nav ul{display:flex;gap:18px;list-style:none;flex-wrap:wrap}
.site-nav a{color:#57534e;font-size:.9rem;padding:18px 0;display:block}
.site-nav a.active,.site-nav a:hover{color:#c2410c;font-weight:600;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:#44403c;transition:transform .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:#fff7ed;border-bottom:1px solid #fed7aa;padding:10px 0}
.applist-title{font-size:.78rem;color:#78716c;text-align:center;margin-bottom:6px}
#ads{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}

.split-hero-wrap{max-width:1120px;margin:0 auto;padding:0 20px 56px}
.split-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start;padding:40px 0 32px;border-bottom:3px solid #fdba74;scroll-margin-top:82px}
.split-text .tag{display:inline-block;font-size:.72rem;color:#9a3412;border:1px solid #fdba74;background:#ffedd5;padding:5px 14px;border-radius:4px;margin-bottom:16px;letter-spacing:.04em}
.split-text h1{font-size:1.78rem;line-height:1.32;margin-bottom:18px;color:#1c1917;font-weight:700}
.split-text .lede{color:#44403c;text-align:justify;margin-bottom:12px}
.split-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.split-meta span{font-size:.76rem;background:#fff7ed;border:1px dashed #fdba74;color:#9a3412;padding:4px 10px;border-radius:20px}
.split-pills{display:flex;flex-direction:column;gap:11px;padding-top:8px}
.split-pills .pill{display:block;padding:13px 18px;background:#fff7ed;border-left:4px solid #fb923c;border-radius:0 8px 8px 0;font-weight:600;color:#9a3412;font-size:.9rem;transition:all .15s}
.split-pills .pill:hover,.split-pills .pill.active{background:#ea580c;color:#fff;border-left-color:#7c2d12;text-decoration:none}

.split-section{padding:42px 0;border-bottom:1px dotted #fed7aa;scroll-margin-top:82px;max-width:840px}
.split-section h2{font-size:1.18rem;margin-bottom:16px;color:#9a3412;padding-left:14px;border-left:4px solid #fb923c}
.split-section p{margin-bottom:13px;text-align:justify;color:#44403c;font-size:.97rem}
.split-section figure{margin:20px 0;border-radius:12px;overflow:hidden;border:1px solid #fed7aa;box-shadow:0 6px 18px rgba(194,65,12,.06)}
.split-section figcaption{font-size:.8rem;color:#78716c;padding:10px 14px;background:#fff7ed}
.callout{margin:18px 0;padding:16px 18px;background:#fff7ed;border-radius:8px;border:1px solid #fdba74;font-size:.93rem;color:#57534e}
.faq-block{margin-top:20px}
.faq-block dt{font-weight:700;color:#9a3412;margin:16px 0 6px;font-size:.98rem}
.faq-block dd{margin:0 0 14px 0;padding-left:14px;border-left:2px solid #fed7aa;color:#44403c;font-size:.95rem}
.closing-note{margin-top:24px;padding:22px;background:linear-gradient(135deg,#fff7ed 0%,#ffedd5 100%);border-radius:10px;border:1px solid #fdba74}
.closing-note h3{font-size:1.02rem;margin-bottom:10px;color:#9a3412}
.closing-note p{font-size:.94rem;color:#57534e;margin-bottom:8px}

.site-footer{background:#fff7ed;border-top:1px solid #fed7aa;padding:28px 20px;text-align:center;font-size:.88rem;color:#78716c}
.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-bottom:10px}
.footer-sub{font-size:.8rem;color:#a8a29e;margin-top:4px}
.prose-page{max-width:760px;margin:0 auto;padding:32px 20px 48px}
.prose-page h1{font-size:1.45rem;margin-bottom:16px;color:#9a3412}
.prose-page p{margin-bottom:12px;color:#44403c}

@media(max-width:820px){
  .split-hero{grid-template-columns:1fr;gap:24px}
  .split-pills{flex-direction:row;flex-wrap:wrap}
  .split-pills .pill{flex:1;min-width:130px;border-left:none;border-top:3px solid #fb923c;border-radius:8px}
  .split-pills .pill.active{border-top-color:#7c2d12}
  .nav-toggle{display:flex}
  .site-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid #fed7aa;padding:12px 20px;box-shadow:0 4px 14px rgba(0,0,0,.06)}
  .site-nav.is-open{display:block}
  .site-nav ul{flex-direction:column;gap:0}
}