body { font-family: system-ui, sans-serif; max-width: 720px; margin: 0 auto; padding: 16px; color: #222; }
header h1 { margin: 0; font-size: 1.6rem; }
header p { color: #667; margin-top: 4px; }
section { border: 1px solid #e3e6ea; border-radius: 12px; padding: 16px; margin: 16px 0; }
input, button { padding: 10px; margin: 4px 0; width: 100%; box-sizing: border-box; border-radius: 8px; border: 1px solid #ccd; font-size: 1rem; }
button { background: #0b5fff; color: #fff; border: none; cursor: pointer; font-weight: 600; }
button:hover { background: #0949c7; }
#stopBtn { background: #d33; }
.ad-slot { background: #f4f6f8; border: 1px dashed #bbb; text-align: center; padding: 24px; color: #889; border-radius: 8px; margin-bottom: 12px; }
.affiliate { margin-top: 12px; padding-top: 12px; border-top: 1px solid #eee; }
#trainList li { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; gap: 8px; }