/* 國旗圖標樣式 */
.flag-icon {
    display: inline-block;
    width: 16px;
    height: 12px;
    margin-right: 8px;
    background-size: contain;
    background-repeat: no-repeat;
    vertical-align: middle;
}

.flag-icon-tw {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 480"><rect width="640" height="480" fill="red"/><rect width="320" height="240" fill="navy" x="160" y="120"/><circle cx="320" cy="240" r="40" fill="white"/><circle cx="320" cy="240" r="30" fill="red"/></svg>');
}

.flag-icon-gb {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 480"><path fill="#012169" d="M0 0h640v480H0z"/><path fill="#FFF" d="m75 0 244 181L562 0h78v62L400 241l240 178v61h-80L320 301 81 480H0v-60l239-178L0 64V0h75z"/><path fill="#C8102E" d="m424 281 216 159v40L369 281h55zm-184 20 6 35L54 480H0l240-179zM640 0v3L391 191l2-44L590 0h50zM0 0l239 176h-60L0 42V0z"/><path fill="#FFF" d="M241 0v480h160V0H241zM0 160v160h640V160H0z"/><path fill="#C8102E" d="M0 193v96h640v-96H0zM273 0v480h96V0h-96z"/></svg>');
}

.flag-icon-de {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 480"><path fill="#ffce00" d="M0 320h640v160H0z"/><path fill="#000" d="M0 0h640v160H0z"/><path fill="#d00" d="M0 160h640v160H0z"/></svg>');
}

.flag-icon-jp {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 480"><circle cx="320" cy="240" r="120" fill="#bc002d"/></svg>');
}