*,*::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:#1a1a2e;line-height:1.78;font-size:16px}
a{color:#7c3aed;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}

.site-header{background:#fff;border-bottom:2px solid #5b21b6;position:sticky;top:0;z-index:380}
.header-inner{max-width:1200px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;position:relative}
.brand{display:flex;align-items:center;gap:10px;color:#1a1a2e;font-weight:600;font-size:.93rem}
.brand:hover{text-decoration:none}
.brand img{border-radius:10px}
.brand em{font-style:normal;color:#7c3aed;font-weight:700}
.site-nav ul{display:flex;flex-wrap:wrap;gap:6px 20px;list-style:none}
.site-nav a{color:#64748b;font-size:.9rem;padding:4px 0}
.site-nav a.active,.site-nav a:hover{color:#5b21b6;font-weight:600;border-bottom:2px solid #a78bfa;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:#5b21b6;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:#f5f3ff;border-bottom:1px solid #ddd6fe;padding:10px 0}
.applist-title{font-size:.78rem;color:#5b21b6;text-align:center;margin-bottom:6px}
#ads{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}

.rail-shell{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:32px;max-width:1200px;margin:0 auto;padding:30px 24px 56px}
.rail-sidebar{order:2;position:sticky;top:90px;align-self:start;background:linear-gradient(175deg,#5b21b6 0%,#7c3aed 100%);border-radius:14px;padding:20px 14px;box-shadow:0 14px 36px rgba(91,33,182,.22)}
.rail-sidebar h2{font-size:.8rem;color:#ede9fe;margin-bottom:14px;font-weight:600;letter-spacing:.02em}
.rail-sidebar ol{list-style:none;counter-reset:rsidx}
.rail-sidebar li{counter-increment:rsidx;margin-bottom:8px}
.rail-sidebar a{font-size:.82rem;color:#ddd6fe;display:flex;align-items:flex-start;gap:8px;padding:5px 6px;line-height:1.36;border-radius:6px;transition:background .15s,color .15s}
.rail-sidebar a::before{content:counter(rsidx);flex-shrink:0;font-size:.68rem;font-weight:700;color:#5b21b6;background:#ede9fe;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;line-height:1}
.rail-sidebar a.is-active{background:rgba(255,255,255,.14);color:#fff;font-weight:600;text-decoration:none}
.rail-sidebar a.is-active::before{background:#fff;color:#5b21b6}
.rail-content{order:1;min-width:0}

.hero-panel{background:linear-gradient(135deg,#faf5ff 0%,#ede9fe 45%,#f5f3ff 100%);border:1px solid #c4b5fd;border-radius:16px;padding:36px 32px 32px;margin-bottom:32px;position:relative;overflow:hidden}
.hero-panel::before{content:"";position:absolute;bottom:-30%;left:-10%;width:240px;height:240px;background:radial-gradient(circle,rgba(124,58,237,.12) 0%,transparent 70%);pointer-events:none}
.hero-badge{display:inline-block;font-size:.75rem;font-weight:600;color:#fff;background:#7c3aed;padding:5px 14px;border-radius:20px;margin-bottom:14px;position:relative;z-index:1}
.hero-panel h1{font-size:clamp(1.34rem,3.2vw,1.92rem);line-height:1.34;margin-bottom:14px;color:#1a1a2e;position:relative;z-index:1}
.hero-panel .hero-text{color:#334155;font-size:1rem;margin-bottom:10px;text-align:justify;position:relative;z-index:1}
.hero-panel .hero-text:last-of-type{margin-bottom:0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;position:relative;z-index:1}
.tag-row span{font-size:.77rem;padding:5px 12px;border-radius:20px;background:#fff;color:#5b21b6;border:1px solid #c4b5fd}

.content-segment{margin-bottom:34px;padding-bottom:26px;border-bottom:1px dashed #e9d5ff;scroll-margin-top:96px}
.content-segment:last-of-type{border-bottom:none}
.content-segment h2{font-size:1.16rem;margin-bottom:12px;color:#5b21b6;line-height:1.38;padding-left:12px;border-left:4px solid #a78bfa}
.content-segment p{margin-bottom:11px;color:#374151;text-align:justify;font-size:.95rem}
.content-segment ul{margin:10px 0 12px 22px;color:#374151;font-size:.94rem}
.content-segment li{margin-bottom:6px}
.content-segment figure{margin:18px 0;border-radius:12px;overflow:hidden;border:1px solid #e9d5ff;background:#faf5ff;box-shadow:0 6px 18px rgba(91,33,182,.06)}
.content-segment figcaption{font-size:.82rem;color:#64748b;padding:10px 14px;background:#f5f3ff}

.alert-box{background:#fef3c7;border-left:4px solid #f59e0b;border-radius:0 8px 8px 0;padding:14px 18px;margin:14px 0;font-size:.92rem;color:#78350f;line-height:1.62}

.faq-zone{margin-top:36px;padding:28px 24px;background:#faf5ff;border-radius:14px;border:1px solid #ddd6fe;scroll-margin-top:96px}
.faq-zone>h2{font-size:1.14rem;margin-bottom:16px;color:#5b21b6}
.faq-row{border:1px solid #c4b5fd;margin-bottom:10px;background:#fff;border-radius:10px;overflow:hidden}
.faq-row summary{padding:14px 18px;cursor:pointer;font-weight:500;list-style:none;color:#374151}
.faq-row summary::-webkit-details-marker{display:none}
.faq-row[open] summary{background:#ede9fe;border-bottom:1px solid #c4b5fd;color:#5b21b6}
.faq-row p{padding:14px 18px;color:#475569;font-size:.93rem}

.more-read{max-width:1200px;margin:0 auto;padding:0 24px 48px}
.more-read h2{font-size:1.02rem;margin-bottom:12px;color:#1a1a2e}
.more-read ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px 24px}
.more-read a{font-size:.9rem}

.site-footer{background:#faf5ff;border-top:2px solid #5b21b6;padding:28px 24px;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:.82rem;color:#7c3aed;margin-top:6px}

.prose-page{max-width:780px;margin:0 auto;padding:32px 24px 48px}
.prose-page h1{font-size:1.36rem;margin-bottom:16px;color:#1a1a2e}
.prose-page h2{font-size:1.08rem;margin:18px 0 10px;color:#5b21b6}
.prose-page p{margin-bottom:12px;color:#475569}

.error-page{max-width:560px;margin:80px auto;padding:20px;text-align:center}
.error-page h1{font-size:2rem;color:#5b21b6;margin-bottom:12px}

@media(max-width:940px){
.rail-shell{grid-template-columns:1fr}
.rail-sidebar{order:-1;position:static;margin-bottom:12px}
.rail-sidebar ol{display:grid;grid-template-columns:repeat(2,1fr);gap:4px 10px}
.nav-toggle{display:flex}
.site-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid #e9d5ff;padding:12px 24px;display:none;box-shadow:0 6px 18px rgba(0,0,0,.07)}
.site-nav.is-open{display:block}
.site-nav ul{flex-direction:column;gap:10px}
.hero-panel h1{font-size:1.28rem}
}