*,*::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:#b45309;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}

.site-header{background:#fff;border-bottom:3px 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}

.sh-wrap{max-width:1120px;margin:0 auto;padding:0 20px 56px}
.sh-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch;padding:40px 0 36px;border-bottom:3px solid #fdba74;scroll-margin-top:84px}
.sh-copy{padding-right:8px}
.sh-copy .sh-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}
.sh-copy h1{font-size:1.74rem;line-height:1.32;margin-bottom:18px;color:#1c1917;font-weight:700}
.sh-copy .sh-lede{color:#44403c;text-align:justify;margin-bottom:14px;font-size:.98rem}
.sh-rail{display:flex;flex-direction:column;gap:10px;justify-content:center;padding:20px;background:linear-gradient(165deg,#fff7ed 0%,#ffedd5 100%);border-radius:14px;border:2px solid #fdba74}
.sh-rail-label{font-size:.74rem;color:#9a3412;text-transform:none;font-weight:600;margin-bottom:4px;text-align:center}
.sh-rail a{display:block;padding:13px 18px;background:#fff;border-left:4px solid #fdba74;border-radius:0 8px 8px 0;font-weight:600;color:#9a3412;font-size:.9rem;transition:all .15s}
.sh-rail a:hover,.sh-rail a.is-active{background:#ea580c;color:#fff;border-left-color:#7c2d12;text-decoration:none;transform:translateX(4px)}

.sh-block{padding:42px 0;border-bottom:1px dashed #fed7aa;scroll-margin-top:84px;max-width:840px}
.sh-block h2{font-size:1.18rem;margin-bottom:16px;color:#9a3412;padding-left:12px;border-left:4px solid #ea580c}
.sh-block p{margin-bottom:13px;text-align:justify;color:#44403c;font-size:.97rem}
.sh-block figure{margin:20px 0;border-radius:12px;overflow:hidden;border:1px solid #fdba74;box-shadow:0 4px 14px rgba(234,88,12,.08)}
.sh-block figcaption{font-size:.8rem;color:#78716c;padding:10px 14px;background:#fff7ed}
.sh-tip{margin:16px 0;padding:14px 18px;background:#ffedd5;border-radius:8px;border:1px solid #fdba74;font-size:.92rem;color:#7c2d12}
.sh-steps{counter-reset:shstep;margin:14px 0 18px;padding-left:0;list-style:none}
.sh-steps li{counter-increment:shstep;position:relative;padding:10px 0 10px 36px;border-bottom:1px dotted #fed7aa;font-size:.95rem;color:#44403c}
.sh-steps li::before{content:counter(shstep);position:absolute;left:0;top:10px;width:24px;height:24px;background:#ea580c;color:#fff;border-radius:50%;font-size:.75rem;font-weight:700;display:flex;align-items:center;justify-content:center}
.sh-faq{margin-top:8px}
.sh-faq-item{margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid #ffedd5}
.sh-faq-item h3{font-size:1rem;color:#1c1917;margin-bottom:8px}
.sh-faq-item p{font-size:.94rem;color:#57534e}
.sh-close{margin-top:24px;padding:22px;background:#fff7ed;border-radius:12px;border:2px solid #fdba74}
.sh-close h3{font-size:1.02rem;margin-bottom:10px;color:#9a3412}
.sh-close p{font-size:.94rem;color:#44403c;margin-bottom:10px}

.site-footer{background:#fff7ed;border-top:2px 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}
.prose-page p{margin-bottom:12px;color:#44403c}
.error-page{max-width:520px;margin:80px auto;padding:0 20px;text-align:center}
.error-page h1{font-size:3rem;color:#ea580c;margin-bottom:12px}

@media(max-width:860px){
  .sh-hero{grid-template-columns:1fr}
  .sh-rail{flex-direction:row;flex-wrap:wrap;padding:16px}
  .sh-rail a{flex:1;min-width:140px;border-left:none;border-top:3px solid #fdba74;border-radius:8px;text-align:center}
  .sh-rail a:hover,.sh-rail a.is-active{transform:none}
  .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 12px rgba(0,0,0,.06)}
  .site-nav.is-open{display:block}
  .site-nav ul{flex-direction:column;gap:0}
}
