body.feiyu-tutorial-theme,
body.feiyu-tutorial-theme #main-body,
body.feiyu-tutorial-theme .main-content {
    background:
        radial-gradient(circle at top right, rgba(61, 194, 255, .13), transparent 28%),
        linear-gradient(180deg, #eef7fd 0%, #f7fbff 100%) !important;
}

body.feiyu-tutorial-theme #main-body {
    padding-top: 34px !important;
    padding-bottom: 48px !important;
}

body.feiyu-tutorial-theme #main-body .container,
body.feiyu-tutorial-theme .container {
    max-width: 1280px;
}

body.feiyu-tutorial-theme .feiyu-tutorial-shell {
    position: relative;
}

body.feiyu-tutorial-theme .feiyu-hidden-legacy {
    display: none !important;
}

body.feiyu-tutorial-theme .feiyu-tutorial-hero {
    position: relative;
    overflow: hidden;
    border-radius: 30px;
    padding: 42px 46px;
    margin: 0 0 28px 0;
    background:
        radial-gradient(circle at 82% 18%, rgba(255,255,255,.10), transparent 21%),
        radial-gradient(circle at 62% 78%, rgba(255,255,255,.09), transparent 25%),
        linear-gradient(135deg, #0e4f94 0%, #1774c9 56%, #39c7ef 100%);
    box-shadow: 0 22px 48px rgba(8, 70, 131, .20);
}

body.feiyu-tutorial-theme .feiyu-tutorial-hero::before,
body.feiyu-tutorial-theme .feiyu-tutorial-hero::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.12);
    pointer-events: none;
}

body.feiyu-tutorial-theme .feiyu-tutorial-hero::before {
    width: 460px;
    height: 460px;
    right: -90px;
    top: -150px;
}

body.feiyu-tutorial-theme .feiyu-tutorial-hero::after {
    width: 310px;
    height: 310px;
    right: 150px;
    bottom: -150px;
}

body.feiyu-tutorial-theme .feiyu-tutorial-badge {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    height: 38px;
    padding: 0 18px;
    margin-bottom: 18px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.18);
    background: rgba(255,255,255,.08);
    color: #ffffff;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

body.feiyu-tutorial-theme .feiyu-tutorial-title {
    position: relative;
    z-index: 2;
    margin: 0;
    color: #ffffff;
    font-size: 58px;
    line-height: 1.08;
    font-weight: 900;
    letter-spacing: -.02em;
}

body.feiyu-tutorial-theme .feiyu-tutorial-desc {
    position: relative;
    z-index: 2;
    max-width: 760px;
    margin: 18px 0 26px;
    color: rgba(255,255,255,.92);
    font-size: 19px;
    line-height: 1.9;
    font-weight: 500;
}

body.feiyu-tutorial-theme .feiyu-tutorial-search {
    position: relative;
    z-index: 2;
    display: flex;
    gap: 12px;
    max-width: 760px;
    padding: 10px;
    border-radius: 24px;
    background: rgba(255,255,255,.16);
    border: 1px solid rgba(255,255,255,.14);
    backdrop-filter: blur(8px);
}

body.feiyu-tutorial-theme .feiyu-tutorial-search input {
    flex: 1;
    height: 56px;
    border: 0 !important;
    outline: 0 !important;
    border-radius: 18px !important;
    padding: 0 20px !important;
    font-size: 16px !important;
    color: #173f71 !important;
    background: #ffffff !important;
    box-shadow: none !important;
}

body.feiyu-tutorial-theme .feiyu-tutorial-search button {
    min-width: 136px;
    height: 56px;
    border: 0;
    outline: 0;
    border-radius: 18px;
    background: linear-gradient(135deg, #0f61b1 0%, #30b9ef 100%);
    color: #ffffff;
    font-size: 16px;
    font-weight: 800;
    box-shadow: 0 12px 26px rgba(12, 118, 203, .28);
}

body.feiyu-tutorial-theme .feiyu-tutorial-layout {
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

body.feiyu-tutorial-theme .feiyu-tutorial-sidebar,
body.feiyu-tutorial-theme .feiyu-tutorial-content {
    min-width: 0;
}

body.feiyu-tutorial-theme .feiyu-tutorial-card,
body.feiyu-tutorial-theme .panel,
body.feiyu-tutorial-theme .well,
body.feiyu-tutorial-theme .alert,
body.feiyu-tutorial-theme .list-group,
body.feiyu-tutorial-theme .kb-article-list,
body.feiyu-tutorial-theme .downloads {
    background: rgba(255,255,255,.92) !important;
    border: 1px solid #dbe9f5 !important;
    border-radius: 24px !important;
    box-shadow: 0 16px 40px rgba(21, 89, 155, .08) !important;
    overflow: hidden;
}

body.feiyu-tutorial-theme .panel-heading,
body.feiyu-tutorial-theme .card-header,
body.feiyu-tutorial-theme .kb-sidebar-header {
    border: 0 !important;
    background: linear-gradient(180deg, #f4fbff 0%, #edf7ff 100%) !important;
    color: #0e467f !important;
    padding: 18px 22px !important;
    font-size: 22px !important;
    line-height: 1.2 !important;
    font-weight: 900 !important;
}

body.feiyu-tutorial-theme .panel-heading a,
body.feiyu-tutorial-theme .card-header a {
    color: inherit !important;
}

body.feiyu-tutorial-theme .panel-body,
body.feiyu-tutorial-theme .well,
body.feiyu-tutorial-theme .card-body {
    padding: 22px !important;
}

body.feiyu-tutorial-theme .list-group,
body.feiyu-tutorial-theme .list-group-item {
    background: transparent !important;
    border: 0 !important;
}

body.feiyu-tutorial-theme .list-group-item,
body.feiyu-tutorial-theme .downloads .download,
body.feiyu-tutorial-theme .kbarticle,
body.feiyu-tutorial-theme article,
body.feiyu-tutorial-theme .announcement,
body.feiyu-tutorial-theme .searchresult,
body.feiyu-tutorial-theme .knowledgebasecat {
    position: relative;
    margin: 0 0 12px 0 !important;
    padding: 18px 18px 18px 20px !important;
    border: 1px solid #dfeaf4 !important;
    border-radius: 18px !important;
    background: #ffffff !important;
    transition: transform .20s ease, box-shadow .20s ease, border-color .20s ease;
    box-shadow: 0 6px 18px rgba(27, 94, 157, .05);
}

body.feiyu-tutorial-theme .list-group-item:hover,
body.feiyu-tutorial-theme .downloads .download:hover,
body.feiyu-tutorial-theme .kbarticle:hover,
body.feiyu-tutorial-theme article:hover,
body.feiyu-tutorial-theme .announcement:hover,
body.feiyu-tutorial-theme .searchresult:hover,
body.feiyu-tutorial-theme .knowledgebasecat:hover {
    transform: translateY(-2px);
    border-color: #b7d7ef !important;
    box-shadow: 0 14px 28px rgba(27, 94, 157, .10);
}

body.feiyu-tutorial-theme .list-group-item a,
body.feiyu-tutorial-theme .downloads .download a,
body.feiyu-tutorial-theme .kbarticle a,
body.feiyu-tutorial-theme article a,
body.feiyu-tutorial-theme .announcement a,
body.feiyu-tutorial-theme .searchresult a,
body.feiyu-tutorial-theme .knowledgebasecat a,
body.feiyu-tutorial-theme .panel a {
    color: #0f5ea9 !important;
    font-weight: 800 !important;
    text-decoration: none !important;
}

body.feiyu-tutorial-theme .feiyu-tutorial-content .panel,
body.feiyu-tutorial-theme .feiyu-tutorial-content .well,
body.feiyu-tutorial-theme .feiyu-tutorial-content > .row > div > .panel,
body.feiyu-tutorial-theme .feiyu-tutorial-content > .row > div > .well {
    margin-bottom: 22px !important;
}

body.feiyu-tutorial-theme h1,
body.feiyu-tutorial-theme h2,
body.feiyu-tutorial-theme h3,
body.feiyu-tutorial-theme h4 {
    color: #0c3d6f !important;
    font-weight: 900 !important;
}

body.feiyu-tutorial-theme p,
body.feiyu-tutorial-theme li,
body.feiyu-tutorial-theme .text-muted,
body.feiyu-tutorial-theme .help-block {
    color: #67819c !important;
    font-size: 15px !important;
    line-height: 1.9 !important;
}

body.feiyu-tutorial-theme form input[type="text"],
body.feiyu-tutorial-theme form input[type="search"],
body.feiyu-tutorial-theme form input:not([type="submit"]):not([type="button"]),
body.feiyu-tutorial-theme textarea,
body.feiyu-tutorial-theme select {
    min-height: 50px;
    border-radius: 16px !important;
    border: 1px solid #d6e7f3 !important;
    box-shadow: none !important;
    padding: 10px 16px !important;
    background: #ffffff !important;
}

body.feiyu-tutorial-theme .btn,
body.feiyu-tutorial-theme button,
body.feiyu-tutorial-theme input[type="submit"] {
    border-radius: 16px !important;
    border: 0 !important;
    font-weight: 800 !important;
    letter-spacing: .01em;
}

body.feiyu-tutorial-theme .btn-primary,
body.feiyu-tutorial-theme .btn.btn-primary,
body.feiyu-tutorial-theme input[type="submit"] {
    background: linear-gradient(135deg, #0e60af 0%, #31bdec 100%) !important;
    box-shadow: 0 10px 24px rgba(24, 120, 201, .20) !important;
}

body.feiyu-tutorial-theme .table,
body.feiyu-tutorial-theme table {
    width: 100%;
    border-collapse: separate !important;
    border-spacing: 0 10px !important;
    background: transparent !important;
}

body.feiyu-tutorial-theme .table > thead > tr > th,
body.feiyu-tutorial-theme table > thead > tr > th,
body.feiyu-tutorial-theme .table > tbody > tr > td,
body.feiyu-tutorial-theme table > tbody > tr > td {
    border: 0 !important;
    background: #ffffff !important;
    padding: 16px 14px !important;
    vertical-align: middle !important;
}

body.feiyu-tutorial-theme .table > thead > tr > th:first-child,
body.feiyu-tutorial-theme .table > tbody > tr > td:first-child,
body.feiyu-tutorial-theme table > thead > tr > th:first-child,
body.feiyu-tutorial-theme table > tbody > tr > td:first-child {
    border-top-left-radius: 16px;
    border-bottom-left-radius: 16px;
}

body.feiyu-tutorial-theme .table > thead > tr > th:last-child,
body.feiyu-tutorial-theme .table > tbody > tr > td:last-child,
body.feiyu-tutorial-theme table > thead > tr > th:last-child,
body.feiyu-tutorial-theme table > tbody > tr > td:last-child {
    border-top-right-radius: 16px;
    border-bottom-right-radius: 16px;
}

body.feiyu-tutorial-theme .feiyu-tutorial-section-title {
    margin: 0 0 18px !important;
    font-size: 34px !important;
    line-height: 1.2 !important;
    font-weight: 900 !important;
    color: #0d406f !important;
}

body.feiyu-tutorial-theme .feiyu-tutorial-subtitle {
    margin: -6px 0 20px !important;
    font-size: 16px !important;
    color: #6a87a3 !important;
}

body.feiyu-tutorial-theme .badge,
body.feiyu-tutorial-theme .label {
    border-radius: 999px !important;
    padding: 6px 10px !important;
}

body.feiyu-tutorial-theme .pagination > li > a,
body.feiyu-tutorial-theme .pagination > li > span {
    border: 1px solid #d8e6f2 !important;
    color: #0f5fa9 !important;
    border-radius: 14px !important;
    margin: 0 4px;
    min-width: 42px;
    text-align: center;
}

body.feiyu-tutorial-theme .pagination > .active > a,
body.feiyu-tutorial-theme .pagination > .active > span {
    background: linear-gradient(135deg, #0f61b1 0%, #30b9ef 100%) !important;
    color: #ffffff !important;
}

body.feiyu-tutorial-theme .feiyu-legacy-search-wrap {
    display: none !important;
}

body.feiyu-tutorial-theme .feiyu-category-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

body.feiyu-tutorial-theme .feiyu-category-grid .list-group-item,
body.feiyu-tutorial-theme .feiyu-category-grid .knowledgebasecat {
    margin: 0 !important;
}

@media (max-width: 1199px) {
    body.feiyu-tutorial-theme .feiyu-tutorial-title {
        font-size: 48px;
    }
}

@media (max-width: 991px) {
    body.feiyu-tutorial-theme #main-body {
        padding-top: 20px !important;
    }

    body.feiyu-tutorial-theme .feiyu-tutorial-hero {
        padding: 28px 22px;
        border-radius: 24px;
    }

    body.feiyu-tutorial-theme .feiyu-tutorial-title {
        font-size: 38px;
    }

    body.feiyu-tutorial-theme .feiyu-tutorial-desc {
        font-size: 16px;
        line-height: 1.8;
        margin-bottom: 18px;
    }

    body.feiyu-tutorial-theme .feiyu-tutorial-search {
        flex-direction: column;
        padding: 8px;
        border-radius: 20px;
    }

    body.feiyu-tutorial-theme .feiyu-tutorial-search button,
    body.feiyu-tutorial-theme .feiyu-tutorial-search input {
        width: 100%;
        min-width: 0;
    }

    body.feiyu-tutorial-theme .feiyu-tutorial-layout {
        grid-template-columns: 1fr;
    }

    body.feiyu-tutorial-theme .feiyu-category-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    body.feiyu-tutorial-theme .feiyu-tutorial-title {
        font-size: 32px;
    }

    body.feiyu-tutorial-theme .feiyu-tutorial-badge {
        height: 34px;
        padding: 0 14px;
        font-size: 12px;
    }

    body.feiyu-tutorial-theme .panel-heading,
    body.feiyu-tutorial-theme .card-header,
    body.feiyu-tutorial-theme .kb-sidebar-header {
        font-size: 20px !important;
        padding: 16px 18px !important;
    }

    body.feiyu-tutorial-theme .panel-body,
    body.feiyu-tutorial-theme .well,
    body.feiyu-tutorial-theme .card-body {
        padding: 16px !important;
    }
}