*, *::before, *::after { box-sizing: border-box; }
html { min-width: 0; color-scheme: light; scroll-behavior: smooth; }
body.course-share-public-page {
    min-width: 0;
    margin: 0;
    color: #152d47;
    background: #f4f7fb;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    overflow-wrap: anywhere;
}
.course-share-public-header { display: flex; min-height: 72px; padding: 10px clamp(18px, 6vw, 72px); align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid #e1e9f1; background: #fff; }
.course-share-public-brand { display: inline-flex; min-width: 0; align-items: center; flex: 0 1 auto; }
.course-share-public-brand img { display: block; width: 148px; height: auto; max-height: 54px; object-fit: contain; object-position: left center; }
.course-share-public-courses { display: flex; min-width: 0; align-items: center; justify-content: flex-end; font-size: 14px; font-weight: 700; white-space: nowrap; }
.course-share-public-courses a { display: inline-flex; min-height: 42px; padding: 8px 15px; align-items: center; justify-content: center; border: 1px solid #c7d8e8; border-radius: 7px; color: #174a7d; background: #f5f9fd; text-decoration: none; }
.course-share-public-main { width: min(980px, calc(100% - 36px)); margin: 34px auto 64px; }
.course-share-preview-banner { margin-bottom: 18px; padding: 12px 15px; border: 1px solid #e8cd95; border-radius: 8px; color: #704400; background: #fff7e8; font-size: 14px; }
.course-share-public-card { overflow: hidden; border: 1px solid #e4eaf0; border-radius: 13px; background: #fff; box-shadow: 0 12px 34px rgba(15, 41, 68, .06); }
.course-share-public-cover { display: block; width: 100%; max-height: 540px; aspect-ratio: 16 / 9; object-fit: cover; background: #e8eef4; }
.course-share-public-content { min-width: 0; padding: clamp(24px, 5vw, 54px); }
.course-share-public-content h1 { margin: 0 0 28px; color: #102946; font-size: clamp(30px, 5vw, 42px); line-height: 1.18; overflow-wrap: anywhere; }
.course-share-public-rich { min-width: 0; color: #213a54; overflow-wrap: anywhere; }
.course-share-public-rich h2 { margin: 32px 0 12px; color: #173454; font-size: clamp(23px, 3.5vw, 29px); line-height: 1.28; }
.course-share-public-rich h3 { margin: 26px 0 10px; color: #173454; font-size: clamp(19px, 3vw, 23px); line-height: 1.32; }
.course-share-public-rich h4 { margin: 21px 0 8px; color: #173454; font-size: 18px; line-height: 1.35; }
.course-share-public-rich p, .course-share-public-rich ul, .course-share-public-rich ol, .course-share-public-rich blockquote, .course-share-public-rich pre { margin: 0 0 18px; }
.course-share-public-rich ul, .course-share-public-rich ol { padding-left: 1.5em; }
.course-share-public-rich a { color: #1559a7; text-decoration: underline; text-underline-offset: 2px; overflow-wrap: anywhere; }
.course-share-public-rich img { display: block; width: auto; max-width: 100% !important; height: auto !important; margin: 18px auto; border-radius: 7px; object-fit: contain; }
.course-share-public-rich table { display: block; width: 100% !important; max-width: 100% !important; margin: 20px 0; border-collapse: collapse; overflow-x: auto; overscroll-behavior-inline: contain; -webkit-overflow-scrolling: touch; }
.course-share-public-rich caption { padding: 8px 0; font-weight: 700; text-align: left; }
.course-share-public-rich th, .course-share-public-rich td { min-width: 90px; padding: 9px 11px; border: 1px solid #d9e2ec; text-align: left; vertical-align: top; overflow-wrap: anywhere; }
.course-share-public-rich th { background: #f1f5f9; font-weight: 700; }
.course-share-public-rich pre { max-width: 100%; padding: 14px 16px; border: 1px solid #dce5ee; border-radius: 7px; background: #f6f8fb; overflow-x: auto; }
.course-share-public-rich code { font-family: Consolas, Monaco, monospace; overflow-wrap: anywhere; }
.course-share-public-rich blockquote { padding: 10px 0 10px 17px; border-left: 3px solid #b9cee4; color: #4a6178; }
.course-share-public-rich hr { margin: 26px 0; border: 0; border-top: 1px solid #dce5ee; }
.course-share-public-footer { padding: 18px; color: #6a7b8d; font-size: 12px; text-align: center; }
.course-share-public-courses a:hover { border-color: #9ebbd7; background: #edf5fc; }
.course-share-public-courses a:focus-visible { outline: 3px solid #78b5f0; outline-offset: 3px; }
.course-share-public-action { display: flex; justify-content: center; margin-top: 32px; }
.course-share-public-enrol { display: inline-flex; min-width: 220px; min-height: 48px; padding: 11px 24px; align-items: center; justify-content: center; border: 1px solid #1559a7; border-radius: 8px; color: #fff; background: #1559a7; font-size: 16px; font-weight: 700; line-height: 1.4; text-align: center; text-decoration: none; }
.course-share-public-enrol:hover { border-color: #104780; background: #104780; }
.course-share-public-enrol:focus-visible { outline: 3px solid #78b5f0; outline-offset: 3px; }

@media (max-width: 600px) {
    .course-share-public-header { min-height: 60px; padding: 8px 12px; gap: 8px; }
    .course-share-public-brand img { width: clamp(82px, 31vw, 126px); max-height: 44px; }
    .course-share-public-courses { font-size: 12px; }
    .course-share-public-courses a { min-height: 40px; padding: 7px 10px; }
    .course-share-public-main { width: min(calc(100% - 20px), 980px); margin: 16px auto 34px; }
    .course-share-public-card { border-radius: 9px; }
    .course-share-public-cover { max-height: 250px; aspect-ratio: 16 / 9; }
    .course-share-public-content { padding: 23px 19px 28px; }
    .course-share-public-content h1 { margin-bottom: 21px; font-size: 29px; }
    .course-share-public-rich { font-size: 15px; line-height: 1.7; }
    .course-share-public-rich th, .course-share-public-rich td { min-width: 105px; padding: 8px; }
    .course-share-public-action { margin-top: 26px; }
    .course-share-public-enrol { width: 100%; min-width: 0; }
}

@media (max-width: 340px) {
    .course-share-public-header { padding-inline: 9px; }
    .course-share-public-courses { font-size: 11px; }
    .course-share-public-courses a { min-height: 38px; padding: 6px 8px; }
}