*,*::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:#1565c0;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}

.site-header{background:#fff;border-bottom:1px solid #e8eaf6;position:sticky;top:0;z-index:300}
.header-inner{max-width:1100px;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:hover{text-decoration:none}
.brand img{border-radius:8px}
.brand em{font-style:normal;color:#1565c0;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:#c62828;font-weight:600;border-bottom:2px solid #c62828;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}
#ads .caption{font-size:.7rem;color:#666;margin-top:4px;text-align:center;max-width:70px;line-height:1.3}

.hero-tl{background:linear-gradient(180deg,#e8eaf6 0%,#fff 100%);padding:40px 20px 32px;border-bottom:1px solid #c5cae9}
.hero-tl-inner{max-width:900px;margin:0 auto}
.hero-tl .tag{display:inline-block;background:#1565c0;color:#fff;font-size:.76rem;font-weight:600;padding:5px 14px;border-radius:4px;margin-bottom:14px;letter-spacing:.04em}
.hero-tl h1{font-size:1.72rem;line-height:1.35;margin-bottom:16px;color:#111}
.hero-tl .lead{color:#333;margin-bottom:12px;font-size:1.02rem;text-align:justify}
.hero-tl .lead:last-of-type{margin-bottom:0}

.tl-nav-wrap{background:#fff;border-bottom:1px solid #eee;padding:10px 20px;position:sticky;top:57px;z-index:250}
.tl-nav{max-width:900px;margin:0 auto;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.tl-nav a{font-size:.82rem;padding:6px 12px;border:1px solid #ddd;border-radius:4px;color:#555;background:#fafafa;white-space:nowrap}
.tl-nav a:hover,.tl-nav a.is-active{background:#e8eaf6;border-color:#7986cb;color:#1a237e;text-decoration:none;font-weight:600}

.tl-alt{max-width:960px;margin:0 auto;padding:36px 20px 48px;position:relative}
.tl-alt::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:3px;background:linear-gradient(180deg,#1565c0,#7986cb,#c62828);transform:translateX(-50%)}

.tl-item{position:relative;display:grid;grid-template-columns:1fr 48px 1fr;gap:0 16px;margin-bottom:40px;align-items:start}
.tl-item:last-child{margin-bottom:0}
.tl-dot{grid-column:2;grid-row:1;width:48px;height:48px;border-radius:50%;background:#fff;border:3px solid #1565c0;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;color:#1565c0;z-index:2;justify-self:center}
.tl-item:nth-child(even) .tl-dot{border-color:#c62828;color:#c62828}
.tl-card{padding:24px 22px;border:1px solid #e0e0e0;border-radius:12px;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.tl-item:nth-child(odd) .tl-card{grid-column:3;grid-row:1}
.tl-item:nth-child(even) .tl-card{grid-column:1;grid-row:1}
.tl-item:nth-child(even) .tl-card{text-align:right}
.tl-item:nth-child(even) .tl-card p{text-align:justify;direction:rtl}
.tl-item:nth-child(even) .tl-card p *{direction:ltr;display:inline}
.tl-item:nth-child(even) .tl-card h2{text-align:right}
.tl-item:nth-child(even) .tl-card ul{text-align:right;direction:rtl}
.tl-item:nth-child(even) .tl-card li{direction:ltr;text-align:left;display:inline-block;width:100%}

.tl-card h2{font-size:1.15rem;margin-bottom:14px;color:#111;line-height:1.4}
.tl-card p{margin-bottom:12px;color:#333;font-size:.97rem;text-align:justify}
.tl-card ul{margin:12px 0 12px 20px;color:#444;font-size:.93rem}
.tl-card li{margin-bottom:6px}
.tl-card figure{margin-top:16px;border:1px solid #eee;border-radius:8px;overflow:hidden}
.tl-card figcaption{font-size:.8rem;color:#666;padding:8px 12px;background:#fafafa;text-align:left!important;direction:ltr!important}

.tl-note{margin:12px 0;padding:12px 16px;background:#e8eaf6;border-left:4px solid #1565c0;border-radius:0 6px 6px 0;font-size:.92rem;color:#1a237e;text-align:left!important;direction:ltr!important}
.tl-warn{margin:12px 0;padding:12px 16px;background:#ffebee;border-left:4px solid #c62828;border-radius:0 6px 6px 0;font-size:.92rem;color:#b71c1c;text-align:left!important;direction:ltr!important}

.tl-faq{margin-top:48px;padding:28px;background:#fafafa;border:1px solid #e0e0e0;border-radius:12px}
.tl-faq h2{font-size:1.2rem;margin-bottom:16px;color:#111;text-align:center}
.tl-faq details{border:1px solid #ddd;border-radius:8px;margin-bottom:8px;background:#fff}
.tl-faq summary{padding:12px 16px;cursor:pointer;font-weight:500;list-style:none}
.tl-faq summary::-webkit-details-marker{display:none}
.tl-faq details[open] summary{border-bottom:1px solid #eee;background:#f5f5f5}
.tl-faq details p{padding:12px 16px;color:#444;font-size:.94rem}

.tl-close{margin-top:32px;padding:22px 24px;background:linear-gradient(135deg,#e8eaf6,#fff);border:1px solid #c5cae9;border-radius:12px}
.tl-close h2{font-size:1.1rem;margin-bottom:10px}
.tl-close p{margin-bottom:8px;color:#333;font-size:.95rem}

.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}
.footer-links a{color:#555}

.prose-page{max-width:720px;margin:0 auto;padding:32px 20px 48px}
.prose-page h1{font-size:1.5rem;margin-bottom:16px}
.prose-page h2{font-size:1.1rem;margin:16px 0 8px}
.prose-page p{margin-bottom:12px;color:#333}
.error-page{text-align:center;padding:48px 20px 24px}
.error-page h1{font-size:3rem;color:#1565c0}

@media(max-width:768px){
  .tl-alt::before{left:24px;transform:none}
  .tl-item{grid-template-columns:48px 1fr;gap:0 16px}
  .tl-dot{grid-column:1;grid-row:1}
  .tl-item:nth-child(odd) .tl-card,.tl-item:nth-child(even) .tl-card{grid-column:2;grid-row:1;text-align:left}
  .tl-item:nth-child(even) .tl-card p,.tl-item:nth-child(even) .tl-card h2,.tl-item:nth-child(even) .tl-card ul{text-align:left;direction:ltr}
  .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}
  .tl-nav{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap}
}