html {
  font-size: 16px; /* 保持 1rem 的基准值为 16px */
}

body {
    font-family: 'Noto Sans', Arial, Helvetica, sans-serif;
    background-color: #222222;
    color: #fff;
}

.page-container {
    width: 90%;
    max-width: 1400px; /* 您可以根据需要调整此值，例如 1200px */
    min-height: 1000px;
    margin: 0 auto;
    text-align: left;
    padding: 1em;
}

.loading-notice {
    text-align: center;
    font-size: 1.125rem; /* 从 1.25rem 缩小 (原20px -> 18px) */
    color: #ffdd77;
    background-color: #383838;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 40px;
    line-height: 1.6;
}

.intro-text {
    font-size: 1.25rem; /* 从 1.375rem 缩小 (原22px -> 20px) */
    text-align: left;
}

a:link, a:active, a:visited {
    color: #4488ff;
    text-decoration: underline;
}

a:hover {
    color: #ff0000;
    text-decoration: none;
}

hr {
    background-color: #555;
    border: none;
    height: 1px;
    margin-top: 80px;
    margin-bottom: 0;
}

.emph {
    color: #B1FF00;
}

@font-face {
  font-family: 'Cavolini';
  src: url("fonts/CAVOLINI.TTF") format("truetype");
}

.section-title {
    text-align: center;
    font-size: 1.625rem;  /* 从 1.75rem 缩小 (原28px -> 26px) */
    font-weight: 600;
    color: #eeeeee;
    margin-top: 30px;
    margin-bottom: 40px;
    letter-spacing: 1px;
}

.comparison-group {
    margin-bottom: 40px;
}

.group-prompt {
    font-family: 'Cavolini', 'Noto Sans', sans-serif;
    font-size: 1.375rem; /* 从 1.5rem 缩小 (原24px -> 22px) */
    margin-bottom: 25px;
    color: #FFF;
    text-align: center;
    font-style: italic;
    line-height: 1.4;
}

.video-grid-9 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px 20px;
}

.video-item {
    width: 100%;
    text-align: center;
    border: 3px solid transparent;
    border-radius: 9px;
    padding: 3px;
    box-sizing: border-box;
}

.video-item video {
    width: 100%;
    height: auto;
    border-radius: 6px;
    background-color: #111;
}

.video-caption {
    margin-top: 10px;
    font-size: 1rem; /* 从 1.125rem 缩小 (原18px -> 16px) */
    color: #dddddd;
    font-weight: normal;
}

.video-item.ours {
    border-color: #e54b4b;
}

.video-item.ours .video-caption {
    color: #B1FF00;
    font-weight: bold;
}

.video-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 20px;
    max-width: 67%;
    margin: 0 auto;
}

/* 注意：纯缩放模式下，响应式媒体查询已移除 */