:root {
    --bg: #f5efe4;
    --panel: rgba(255, 252, 245, 0.88);
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #c26a2d;
    --primary-dark: #9d5320;
    --line: rgba(31, 41, 55, 0.12);
    --shadow: 0 24px 80px rgba(84, 54, 27, 0.18);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(194, 106, 45, 0.22), transparent 36%),
        radial-gradient(circle at right, rgba(42, 157, 143, 0.18), transparent 28%),
        linear-gradient(135deg, #efe4d1 0%, #f6f2ea 50%, #ece4d7 100%);
    min-height: 100vh;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.panel {
    width: 100%;
    max-width: 860px;
    padding: 48px;
    border: 1px solid var(--line);
    border-radius: 28px;
    background: var(--panel);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.panel-compact {
    max-width: 760px;
    padding: 64px 32px;
    text-align: center;
}

.eyebrow {
    margin: 0 0 16px;
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: 44px;
    line-height: 1.12;
}

.desc {
    margin: 20px 0 0;
    max-width: 640px;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.8;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 148px;
    padding: 14px 20px;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), #dd8c4a);
    box-shadow: 0 12px 30px rgba(194, 106, 45, 0.28);
}

.btn-secondary {
    color: var(--text);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--line);
}

.api-box {
    margin-top: 32px;
    padding: 20px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--line);
}

.api-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 16px;
}

.tag {
    display: inline-block;
    min-width: 56px;
    padding: 5px 10px;
    border-radius: 999px;
    color: #fff;
    background: #2a9d8f;
    font-size: 12px;
    font-weight: 700;
    text-align: center;
}

.tag.post {
    background: #e76f51;
}

code {
    padding: 2px 8px;
    border-radius: 8px;
    background: rgba(31, 41, 55, 0.06);
    font-family: Menlo, Monaco, Consolas, monospace;
}

@media (max-width: 768px) {
    .panel {
        padding: 28px 20px;
        border-radius: 22px;
    }

    .panel-compact {
        padding: 40px 20px;
    }

    h1 {
        font-size: 32px;
    }

    .desc {
        font-size: 16px;
    }

    .btn {
        width: 100%;
    }

    .api-item {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }
}