*{box-sizing:border-box}body{margin:0;background:#f5f8fc;color:#1a2d42;font-family:system-ui,-apple-system,"Noto Sans TC",sans-serif;line-height:1.85}header{background:#12314c;color:white;padding:18px max(22px,calc((100vw - 1100px)/2))}header a{color:white;text-decoration:none}nav{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}main{max-width:1100px;margin:auto;padding:35px 20px}h1{font-size:clamp(30px,4vw,48px);line-height:1.3}.hero{background:linear-gradient(120deg,#e7f4fa,#fff);border-radius:22px;padding:35px}.pill{display:inline-block;background:#c9eee7;border-radius:40px;padding:5px 14px;font-weight:700}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin-top:26px}.card{background:white;border:1px solid #dce7ee;border-radius:16px;padding:22px}.card a{color:#086d86;font-weight:700}.notice{border-left:5px solid #c18b31;background:#fff8e8;padding:14px 20px;margin:24px 0}footer{background:#12314c;color:white;padding:25px 20px;text-align:center}footer a{color:#fff}.cta{display:inline-block;background:#087e86;color:white;text-decoration:none;border-radius:10px;padding:10px 18px;margin-right:10px}
/* 第七批：鍵盤導覽與焦點可見性 */
.skip-link{position:absolute;top:-80px;left:12px;z-index:9999;background:#fff;color:#132d49;padding:8px 14px;border:2px solid #132d49}.skip-link:focus{top:10px}a:focus-visible,button:focus-visible{outline:3px solid #f2aa25;outline-offset:3px}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Stage 20: readability and keyboard accessibility */
.skip-to-content{position:absolute;left:12px;top:-90px;z-index:9999;padding:12px 18px;background:#fff;color:#173c40;border:2px solid #173c40;border-radius:8px}
.skip-to-content:focus{top:12px}
:focus-visible{outline:3px solid #167e83;outline-offset:3px}
img{max-width:100%;height:auto}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media print{nav,.skip-to-content{display:none!important}body{background:white!important;color:#111!important}a{color:#111!important}}

/* 第十八版第22階段：舒適閱讀與主題圖文 */
.editorial-visual{margin:1.5rem 0 2rem;padding:0;max-width:900px;border-radius:20px;overflow:hidden;background:#eaf4f6;box-shadow:0 10px 32px rgba(18,56,74,.10)}
.editorial-visual img{display:block;width:100%;height:auto;max-height:400px;object-fit:cover}
.editorial-visual figcaption{padding:.65rem 1.1rem;color:#456273;background:#f4f9fa;font-size:.84rem;line-height:1.55}
main p, main li{line-height:1.9;overflow-wrap:anywhere}main h2{line-height:1.4;scroll-margin-top:6rem}main h3{line-height:1.45}
main p{max-width:78ch}a:focus-visible,button:focus-visible{outline:3px solid #147d93;outline-offset:3px}
@media(max-width:640px){.editorial-visual{border-radius:12px;margin:1.2rem 0 1.5rem}main p,main li{line-height:1.85}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* Stage 146: local practical guides */
.s146{margin:2rem 0;padding:1.4rem;background:#f3f9f6;border:1px solid #d8e9df;border-radius:18px;line-height:1.85}.s146-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.s146-grid article{background:#fff;border-radius:12px;padding:1rem}.s146 h2{margin-top:0}@media(max-width:680px){.s146{padding:1rem}.s146-grid{grid-template-columns:1fr}}