:root {
    --ow-primary: #0b5cad;
    --ow-primary-dark: #08447f;
    --ow-bg: #f5f7fa;
    --ow-text: #1f2933;
    --ow-muted: #667085;
    --ow-border: #e4e7ec;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ow-text);
    background: var(--ow-bg);
    font-family: "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
    line-height: 1.6;
}

a {
    color: var(--ow-primary);
    text-decoration: none;
}

.ow-container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.ow-header {
    background: #fff;
    border-bottom: 1px solid var(--ow-border);
}

.ow-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    gap: 16px;
}

.ow-brand {
    font-size: 20px;
    font-weight: 700;
    color: var(--ow-primary-dark);
}

.ow-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 14px;
}

.ow-main {
    padding: 32px 0 56px;
}

.ow-footer {
    padding: 20px 0;
    color: var(--ow-muted);
    border-top: 1px solid var(--ow-border);
    background: #fff;
    font-size: 13px;
}

.ow-footer .ow-container {
    display: flex;
    justify-content: space-between;
    gap: 16px;
}

.ow-hero {
    padding: 56px 40px;
    border-radius: 16px;
    color: #fff;
    background: linear-gradient(135deg, #0b5cad, #12304f);
}

.ow-hero h1 {
    margin: 8px 0 16px;
    font-size: clamp(28px, 4vw, 44px);
}

.ow-kicker {
    margin: 0;
    opacity: .8;
    letter-spacing: .08em;
    font-size: 13px;
}

.ow-lead {
    max-width: 720px;
    font-size: 17px;
    opacity: .92;
}

.ow-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.ow-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 8px 18px;
    border: 1px solid var(--ow-primary);
    border-radius: 8px;
    color: #fff;
    background: var(--ow-primary);
    cursor: pointer;
    font: inherit;
}

.ow-button:hover {
    background: var(--ow-primary-dark);
}

.ow-button-ghost {
    color: #fff;
    background: transparent;
}

.ow-button-block {
    width: 100%;
}

.ow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.ow-card {
    padding: 24px;
    background: #fff;
    border: 1px solid var(--ow-border);
    border-radius: 12px;
}

.ow-card h2 {
    margin-top: 0;
    font-size: 18px;
}

.ow-section {
    margin-top: 36px;
    padding: 24px;
    background: #fff;
    border: 1px solid var(--ow-border);
    border-radius: 12px;
}

.ow-muted {
    color: var(--ow-muted);
}

.ow-error {
    padding: 8px 12px;
    color: #b42318;
    background: #fef3f2;
    border: 1px solid #fecdca;
    border-radius: 8px;
}

.ow-login-wrap {
    display: flex;
    justify-content: center;
    padding: 72px 16px;
}

.ow-login-card {
    width: min(400px, 100%);
    padding: 32px;
    background: #fff;
    border: 1px solid var(--ow-border);
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(16, 24, 40, .08);
}

.ow-login-card h1 {
    margin: 0 0 4px;
    font-size: 24px;
}

.ow-field {
    display: grid;
    gap: 6px;
    margin: 18px 0;
    font-size: 14px;
}

.ow-field input {
    min-height: 42px;
    padding: 8px 12px;
    border: 1px solid var(--ow-border);
    border-radius: 8px;
    font: inherit;
}

.ow-link-button {
    padding: 0;
    border: 0;
    color: var(--ow-primary);
    background: none;
    cursor: pointer;
    font: inherit;
}

.ow-admin {
    display: flex;
    min-height: 100vh;
    background: var(--ow-bg);
}

.ow-admin-side {
    display: flex;
    flex-direction: column;
    width: 220px;
    flex: 0 0 220px;
    padding: 20px 16px;
    color: #fff;
    background: #12304f;
}

.ow-admin-brand {
    margin-bottom: 24px;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
}

.ow-admin-side nav {
    display: grid;
    gap: 4px;
}

.ow-admin-side nav a {
    padding: 8px 10px;
    color: #d7e3f4;
    border-radius: 8px;
}

.ow-admin-side nav a:hover {
    color: #fff;
    background: rgba(255, 255, 255, .1);
}

.ow-admin-main {
    display: flex;
    flex: 1;
    flex-direction: column;
    min-width: 0;
}

.ow-admin-top {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-height: 56px;
    gap: 16px;
    padding: 0 24px;
    background: #fff;
    border-bottom: 1px solid var(--ow-border);
}

.ow-admin-content {
    padding: 24px;
}

.ow-table-wrap {
    overflow: auto;
    background: #fff;
    border: 1px solid var(--ow-border);
    border-radius: 12px;
}

.ow-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.ow-table th,
.ow-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--ow-border);
}

.ow-table th {
    color: var(--ow-muted);
    background: #f9fafb;
    font-weight: 600;
}

.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.pa-4 { padding: 16px; }

@media (max-width: 760px) {
    .ow-header-inner,
    .ow-footer .ow-container {
        flex-direction: column;
        align-items: flex-start;
        padding: 12px 0;
    }

    .ow-hero {
        padding: 32px 20px;
    }

    .ow-admin {
        flex-direction: column;
    }

    .ow-admin-side {
        width: 100%;
        flex: none;
    }
}

.ow-captcha-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ow-captcha-row input {
    flex: 1;
    min-width: 0;
}

.ow-captcha-image {
    width: 120px;
    height: 44px;
    flex: 0 0 120px;
    border: 1px solid var(--ow-border);
    border-radius: 8px;
    background: #f3f6fb;
    cursor: pointer;
}

.ow-login-hint {
    margin: 10px 0 14px;
    font-size: 12px;
    line-height: 1.5;
}

.ow-rte {
    margin: 0 0 24px;
    border: 1px solid var(--ow-border);
    border-radius: 8px;
    background: #fff;
    overflow: hidden;
}

.ow-rte-label {
    padding: 10px 14px;
    color: var(--ow-text);
    background: #f8fafc;
    border-bottom: 1px solid var(--ow-border);
    font-size: 14px;
    font-weight: 600;
}

.ow-rte-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    padding: 8px;
    border-bottom: 1px solid var(--ow-border);
    background: #fbfcfe;
}

.ow-rte-tool {
    min-height: 30px;
    padding: 4px 9px;
    color: #344054;
    background: #fff;
    border: 1px solid #d6dee8;
    border-radius: 5px;
    cursor: pointer;
    font: inherit;
    font-size: 13px;
    line-height: 1.2;
}

.ow-rte-tool:hover {
    color: var(--ow-primary);
    border-color: var(--ow-primary);
    background: #f5f8ff;
}

.ow-rte-sep {
    width: 1px;
    height: 20px;
    margin: 0 3px;
    background: #e4eaf2;
}

.ow-rte-editor {
    min-height: 260px;
    padding: 14px 16px;
    outline: none;
    color: var(--ow-text);
    font-size: 15px;
    line-height: 1.8;
    overflow-y: auto;
    background: #fff;
}

.ow-rte-editor:focus {
    box-shadow: inset 0 0 0 2px rgba(31, 17, 66, .08);
}

.ow-rte-editor:empty::before {
    content: attr(data-placeholder);
    color: #98a2b3;
    pointer-events: none;
}

.ow-rte-editor h2 {
    margin: 18px 0 10px;
    font-size: 24px;
    line-height: 1.35;
}

.ow-rte-editor h3 {
    margin: 16px 0 8px;
    font-size: 19px;
    line-height: 1.4;
}

.ow-rte-editor p {
    margin: 0 0 12px;
}

.ow-rte-editor ul,
.ow-rte-editor ol {
    padding-left: 26px;
    margin: 0 0 12px;
}

.ow-rte-editor blockquote {
    margin: 12px 0;
    padding: 8px 14px;
    color: #475467;
    background: #f8fafc;
    border-left: 4px solid var(--ow-primary);
}

.ow-rte-editor img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.ow-rte-editor a {
    color: var(--ow-primary);
    text-decoration: underline;
}

/* Quill rich-text editor overrides */
.ow-rte-editor {
    min-height: 0;
    padding: 0;
    overflow: visible;
}

.ow-rte .ql-toolbar.ql-snow {
    padding: 8px;
    border: 0;
    border-bottom: 1px solid var(--ow-border);
    background: #fbfcfe;
}

.ow-rte .ql-container.ql-snow {
    border: 0;
    font-family: inherit;
    font-size: 15px;
}

.ow-rte .ql-editor {
    min-height: 260px;
    padding: 14px 16px;
    line-height: 1.8;
}

.ow-rte .ql-editor.ql-blank::before {
    color: #98a2b3;
    font-style: normal;
}

.ow-rte .ql-snow .ql-stroke {
    stroke: #475467;
}

.ow-rte .ql-snow .ql-fill {
    fill: #475467;
}

.ow-rte .ql-snow .ql-picker {
    color: #475467;
}