*,*::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:#1e293b;line-height:1.78;font-size:16px}
a{color:#0d9488;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}

.site-header{background:#fff;border-bottom:3px solid #0f766e;position:sticky;top:0;z-index:340}
.header-inner{max-width:1140px;margin:0 auto;padding:13px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;position:relative}
.brand{display:flex;align-items:center;gap:10px;color:#0f172a;font-weight:600;font-size:.94rem}
.brand:hover{text-decoration:none}
.brand img{border-radius:8px}
.brand em{font-style:normal;color:#0d9488;font-weight:700}
.site-nav ul{display:flex;flex-wrap:wrap;gap:6px 18px;list-style:none}
.site-nav a{color:#64748b;font-size:.9rem;padding:4px 0}
.site-nav a.active,.site-nav a:hover{color:#0f766e;font-weight:600;border-bottom:2px solid #14b8a6;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:#334155;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:#f0fdfa;border-bottom:1px solid #99f6e4;padding:10px 0}
.applist-title{font-size:.78rem;color:#0f766e;text-align:center;margin-bottom:6px}
#ads{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}

.mag-wrap{display:grid;grid-template-columns:220px minmax(0,1fr);gap:36px;max-width:1140px;margin:0 auto;padding:28px 20px 50px}
.mag-main{min-width:0;order:2}
.mag-rail{order:1;position:sticky;top:88px;align-self:start;background:#fff;border:1px solid #cbd5e1;border-left:4px solid #0d9488;border-radius:0 12px 12px 0;padding:18px 16px;box-shadow:4px 4px 0 #ccfbf1}
.mag-rail h2{font-size:.82rem;color:#0f766e;margin-bottom:12px;text-transform:none;letter-spacing:.04em;font-weight:700}
.mag-rail ol{list-style:none}
.mag-rail li{margin-bottom:9px;padding-left:0}
.mag-rail a{font-size:.84rem;color:#475569;display:block;padding:6px 8px 6px 28px;line-height:1.35;border-radius:6px;position:relative;transition:background .15s,color .15s}
.mag-rail a::before{content:"";position:absolute;left:8px;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:2px;background:#cbd5e1;transition:background .15s}
.mag-rail a.is-active{color:#0f766e;font-weight:600;background:#f0fdfa;text-decoration:none}
.mag-rail a.is-active::before{background:#0d9488}

.hero-slab{background:linear-gradient(145deg,#134e4a 0%,#0f766e 55%,#ecfdf5 100%);border-radius:0 18px 18px 18px;padding:34px 30px 30px;margin-bottom:34px;color:#fff;border:1px solid #5eead4}
.hero-slab .hero-tag{display:inline-block;font-size:.76rem;font-weight:600;color:#134e4a;background:#ccfbf1;padding:5px 14px;border-radius:4px;margin-bottom:14px;letter-spacing:.02em}
.hero-slab h1{font-size:clamp(1.36rem,3.4vw,1.88rem);line-height:1.32;margin-bottom:14px;color:#fff;font-weight:700}
.hero-slab .hero-lede{color:#ccfbf1;font-size:1rem;margin-bottom:10px;text-align:justify}
.hero-slab .hero-lede:last-of-type{margin-bottom:0}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 2px}
.chip-row span{font-size:.78rem;padding:4px 11px;border-radius:4px;background:rgba(255,255,255,.15);color:#ecfdf5;border:1px solid rgba(204,251,241,.35)}

.article-block{margin-bottom:36px;padding-bottom:28px;border-bottom:1px dotted #cbd5e1}
.article-block:last-of-type{border-bottom:none}
.article-block h2{font-size:1.18rem;margin-bottom:12px;color:#134e4a;line-height:1.38;padding-left:12px;border-left:3px solid #14b8a6}
.article-block p{margin-bottom:11px;color:#334155;text-align:justify;font-size:.96rem}
.article-block figure{margin:22px 0;border-radius:10px;overflow:hidden;border:1px solid #e2e8f0;background:#f8fafc}
.article-block figcaption{font-size:.83rem;color:#64748b;padding:10px 14px;background:#f1f5f9;border-top:1px solid #e2e8f0}

.note-box{background:#fffbeb;border:1px dashed #f59e0b;padding:14px 18px;margin:16px 0;border-radius:8px;font-size:.93rem;color:#78350f}
.step-list{counter-reset:step;margin:14px 0 6px;padding-left:0;list-style:none}
.step-list li{counter-increment:step;margin-bottom:10px;padding-left:32px;position:relative;color:#334155;font-size:.95rem}
.step-list li::before{content:counter(step);position:absolute;left:0;top:2px;width:22px;height:22px;background:#0d9488;color:#fff;font-size:.72rem;font-weight:700;border-radius:4px;display:flex;align-items:center;justify-content:center}

.faq-panel{margin-top:38px;padding-top:26px;border-top:3px double #0f766e}
.faq-panel>h2{font-size:1.16rem;margin-bottom:16px;color:#134e4a}
.faq-item{border:1px solid #e2e8f0;margin-bottom:10px;background:#fff;border-radius:8px;overflow:hidden}
.faq-item summary{padding:14px 18px;cursor:pointer;font-weight:500;list-style:none;color:#475569}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{background:#f0fdfa;border-bottom:1px solid #99f6e4;color:#0f766e}
.faq-item p{padding:14px 18px;color:#475569;font-size:.93rem}

.related-strip{max-width:1140px;margin:0 auto;padding:0 20px 46px}
.related-strip h2{font-size:1.04rem;margin-bottom:12px;color:#134e4a}
.related-strip ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px}
.related-strip a{font-size:.91rem}

.site-footer{background:#f0fdfa;border-top:3px solid #0f766e;padding:28px 20px;text-align:center;font-size:.88rem;color:#64748b}
.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 16px;margin-bottom:10px}
.footer-links a{color:#475569}
.footer-sub{font-size:.81rem;color:#0f766e;margin-top:6px}

.prose-page{max-width:760px;margin:0 auto;padding:32px 20px 48px}
.prose-page h1{font-size:1.38rem;margin-bottom:16px;color:#134e4a}
.prose-page p{margin-bottom:12px;color:#475569}

@media(max-width:900px){
.mag-wrap{grid-template-columns:1fr}
.mag-rail{order:-1;position:static;margin-bottom:10px;border-left:4px solid #0d9488;border-radius:8px}
.nav-toggle{display:flex}
.site-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid #99f6e4;padding:12px 20px;display:none;box-shadow:0 6px 16px rgba(15,118,110,.08)}
.site-nav.is-open{display:block}
.site-nav ul{flex-direction:column;gap:10px}
.hero-slab h1{font-size:1.3rem}
}