* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.7;
    color: #374151;
    background: #f9fafb;
    min-height: 100vh;
}
header {
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    padding: 16px 0;
}
header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.logo-icon {
    width: 36px;
    height: 36px;
    background: #00b368;
    border-radius: 8px;
}
.logo-text {
    font-size: 20px;
    font-weight: 600;
    color: #111827;
}
nav {
    display: flex;
    align-items: center;
    gap: 0;
}
nav a {
    color: #6b7280;
    text-decoration: none;
    font-size: 14px;
    margin-left: 20px;
}
nav a:hover { color: #111827; }
.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}
main { padding: 48px 0 64px; }
h1 {
    font-size: 32px;
    font-weight: 600;
    color: #111827;
    margin-bottom: 8px;
}
.subtitle {
    color: #6b7280;
    margin-bottom: 40px;
    font-size: 15px;
}
h2 {
    font-size: 18px;
    font-weight: 600;
    color: #111827;
    margin: 32px 0 12px 0;
}
h3 {
    font-size: 16px;
    font-weight: 600;
    color: #111827;
    margin: 24px 0 8px 0;
}
p { margin-bottom: 16px; }
ul, ol { margin: 12px 0 16px 0; padding-left: 20px; }
li { margin-bottom: 6px; }
a { color: #00925a; }
a:hover { color: #007a4b; }
.info-box {
    background: #f3f4f6;
    border-radius: 8px;
    padding: 16px 20px;
    margin: 20px 0;
}
.info-box p { margin: 0; }
.warning-box {
    background: #fef2f2;
    border-left: 4px solid #ef4444;
    padding: 16px 20px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
}
.highlight-box {
    background: #e9fbf2;
    border-left: 4px solid #00b368;
    padding: 16px 20px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
}
.btn {
    display: inline-block;
    background: #00b368;
    color: #fff;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
    margin-top: 8px;
}
.btn:hover { background: #009257; color: #fff; }
footer {
    border-top: 1px solid #e5e7eb;
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: #9ca3af;
}
footer a { color: #6b7280; margin: 0 12px; }
.faq-item { margin-bottom: 24px; }
.faq-item h3 { margin-top: 0; }
.faq-item p:last-child { margin-bottom: 0; }
.lang-switcher {
    display: inline-flex;
    gap: 2px;
    margin-left: 20px;
    background: #f3f4f6;
    border-radius: 6px;
    padding: 2px;
    flex-shrink: 0;
}
.lang-switcher a {
    margin: 0 !important;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    color: #6b7280;
    text-decoration: none;
    line-height: 1.4;
}
.lang-switcher a:hover { color: #111827; background: #e5e7eb; }
.lang-switcher a.active {
    background: #fff;
    color: #111827;
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
}
@media (max-width: 640px) {
    h1 { font-size: 26px; }
    nav a { margin-left: 12px; font-size: 12px; }
    .lang-switcher { margin-left: 12px; }
    .lang-switcher a { padding: 3px 6px; font-size: 11px; }
    main { padding: 32px 0 48px; }
}