@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@500;700&display=swap');
:root {
    --bg-paper: #faf8f5;
    --win-white: #ffffff;
    --text-dark: #2c2a29;
    --text-muted: #807a75;
    --accent-violet: #d946ef;
    --border-fine: 1px solid rgba(0, 0, 0, 0.04);
}
body {
    background-image: linear-gradient(135deg, #fdfbf7 0%, #faf5f5 50%, #f7f3f9 100%);
    color: var(--text-dark);
    font-family: "Noto Serif SC", "STSong", "SimSun", serif;
    margin: 0;
    padding: 0;
}
.breathe-header {
    background: var(--win-white);
    border-bottom: var(--border-fine);
    height: 65px;
    position: sticky;
    top: 0;
    z-index: 999;
}
.breathe-logo img {
    height: 40px;
    margin-top: 12px;
}
.nav-link {
    color: var(--text-dark) !important;
    font-weight: bold;
    font-size: 13px;
}
.nav-link:hover {
    color: var(--accent-violet) !important;
}
.breathe-layout {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 15px 100px 15px;
    box-sizing: border-box;
}
.breathe-layer-outer {
    background: #f7f3f0;
    border: var(--border-fine);
    padding: 10px;
    position: relative;
    margin-bottom: 30px;
    border-radius: 4px;
}
.breathe-layer-inner {
    background: var(--win-white);
    border: var(--border-fine);
    padding: 25px;
    border-radius: 4px;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.breathe-layer-outer:hover .breathe-layer-inner {
    transform: translate(-5px, -5px);
    border-color: var(--accent-violet);
}
.breathe-btn {
    background: transparent;
    color: var(--accent-violet) !important;
    border: 1px solid var(--accent-violet);
    padding: 8px 24px;
    font-weight: bold;
    cursor: pointer;
    display: inline-block;
    transition: all 0.2s;
}
.breathe-btn:hover {
    background: var(--accent-violet);
    color: var(--win-white) !important;
}\n