/* hotreader.css 公共样式 供 help.php pdf2html.php pdf2markdown.php共用 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: "Times New Roman", system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    /* 书本浅米色纸张背景，柔和渐变，模拟书页质感 */
    background: linear-gradient(135deg, #fefbf6 0%, #f7f3ed 50%, #f0e9df 100%);
    color: #44403c;
    min-height: 100vh;
    line-height: 1.75;
    padding: 40px 20px;
}
/* 页面左上角旋转图标，完全保留旋转动画特征 */
.page-spin-ico {
    position: fixed;
    top: 18px;
    left: 18px;
    width: 32px;
    height: 32px;
    animation: rotateLoop 3s linear infinite;
}
@keyframes rotateLoop {
    0% {transform: rotate(0deg);}
    100% {transform: rotate(360deg);}
}
.container {
    max-width: 1000px;
    margin: 0 auto;
    /* 书本白纸底色，柔和阴影模拟书本实体感，细微书页描边 */
    background-color: #ffffff;
    border-radius: 14px;
    padding: 48px 40px;
    border: 1px solid #e7dfd3;
    box-shadow: 0 8px 30px rgba(139,117,97,0.14), 0 1px 3px rgba(139,117,97,0.08);
}
h1 {
    font-family: "Times New Roman", serif;
    font-size: 1.8rem;
    color: #b45309;
    margin-bottom: 12px;
}
.subtitle {
    font-family: "Times New Roman", serif;
    color: #78716c;
    font-size: 1.2rem;
    margin-bottom: 36px;
}
h2 {
    font-family: "Times New Roman", serif;
    color: #92400e;
    margin: 32px 0 16px;
    font-size:1.2rem;
}
ul.feature-list {
    list-style: none;
    margin-bottom:40px;
}
ul.feature-list li {
    font-family: "Times New Roman", serif;
    padding:12px 0;
    padding-left:28px;
    position:relative;
}
ul.feature-list li::before {
    content:"▪";
    color:#d97706;
    font-size:1.0rem;
    position:absolute;
    left:0;
    top:6px;
}
.notice-block {
    background-color: #fffbeb;
    border:1px solid #fcd34d;
    border-radius:12px;
    padding:24px;
}
.notice-block h3 {
    font-family: "Times New Roman", serif;
    color:#92400e;
    margin-bottom:12px;
}
.notice-block {
    font-family: "Times New Roman", serif;
}
a {
    font-family: "Times New Roman", serif;
    color:#b45309;
    text-decoration:none;
}
a:hover {
    text-decoration: underline;
}