:root {
    --bg: #f4f7ff;
    --surface: #ffffff;
    --primary: #1a56db;
    --primary-dark: #1548b3;
    --text: #1e1b22;
    --muted: #62616c;
    --line: #d7dcee;
    --radius-lg: 20px;
    --radius-md: 14px;
    --shadow-sm: 0 1px 3px rgba(25, 36, 63, 0.12);
    --shadow-md: 0 8px 22px rgba(26, 86, 219, 0.18);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
    color: var(--text);
    background: radial-gradient(circle at 18% 8%, #eaf3ff 0, var(--bg) 42%);
}

.app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-bar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.app-bar-inner {
    width: min(1060px, 100%);
    margin: 0 auto;
    padding: 10px 16px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 10px;
    align-items: center;
}

.app-bar h1 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.4px;
}

.top-search {
    height: 42px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.34);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 12px;
}

.top-search:focus-within {
    background: rgba(255, 255, 255, 0.24);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.55);
}

.search-icon {
    opacity: 0.9;
    font-size: 14px;
}

.top-search input {
    width: 100%;
    border: none;
    outline: none;
    background: transparent;
    color: #fff;
    font-size: 14px;
}

.top-search input::placeholder {
    color: rgba(255, 255, 255, 0.8);
}

.top-actions {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

.github-link {
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 12px;
    white-space: nowrap;
}

.github-icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.github-link:hover {
    background: rgba(255, 255, 255, 0.26);
}

.install-btn {
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 14px;
    cursor: pointer;
    white-space: nowrap;
}

.install-btn:hover {
    background: rgba(255, 255, 255, 0.26);
}

.main-content {
    width: min(1060px, 100%);
    margin: 0 auto;
    padding: 18px 16px 28px;
}

.resource-section {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 16px;
}

.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
}

.section-head h2 {
    margin: 0;
    font-size: 20px;
}

.section-head p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.resource-grid {
    margin-top: 14px;
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.resource-card {
    border: 1px solid #d6ddf1;
    border-radius: var(--radius-md);
    background: linear-gradient(180deg, #f8fbff 0%, #eef4ff 100%);
    box-shadow: 0 5px 16px rgba(26, 86, 219, 0.11);
    padding: 16px;
    display: grid;
    gap: 10px;
}

.resource-title {
    margin: 0;
    font-size: 22px;
}

.resource-desc {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.7;
}

.resource-note {
    border: 1px solid #d2dcf7;
    border-radius: 12px;
    background: #f8fbff;
    padding: 10px 12px;
    font-size: 13px;
    color: #435074;
    line-height: 1.65;
}

.resource-note p {
    margin: 0;
}

.resource-note p + p {
    margin-top: 6px;
}

.resource-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.site-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    border: 1px solid transparent;
    transition:
        transform 0.14s ease,
        box-shadow 0.14s ease,
        background 0.14s ease;
}

.site-btn:hover {
    transform: translateY(-1px);
}

.dynamic-btn {
    background: #f0f4ff;
    color: #1e4080;
    border-color: #cbd8f8;
}

.dynamic-btn:hover {
    background: #e5eeff;
    box-shadow: 0 6px 14px rgba(32, 67, 140, 0.13);
}

.static-btn {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 14px rgba(26, 86, 219, 0.26);
}

.static-btn:hover {
    background: var(--primary-dark);
}

.empty {
    border: 1px dashed #c3cfeb;
    border-radius: 12px;
    padding: 24px 14px;
    text-align: center;
    color: #5f6882;
    background: #fafcff;
}

.app-footer {
    margin-top: auto;
    padding: 14px 16px 24px;
    color: #6a6574;
    text-align: center;
    font-size: 13px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 760px) {
    .app-bar-inner {
        grid-template-columns: 1fr auto;
        grid-template-areas:
            "title actions"
            "search search";
        gap: 8px;
    }

    .app-bar h1 {
        grid-area: title;
        font-size: 20px;
    }

    .top-actions {
        grid-area: actions;
    }

    .top-search {
        grid-area: search;
    }

    .resource-actions {
        grid-template-columns: 1fr;
    }
}