:root {
    --bg: #f4efe6;
    --bg-2: #efe5d3;
    --panel: rgba(255, 250, 241, 0.82);
    --panel-strong: rgba(255, 252, 247, 0.94);
    --card-dark: linear-gradient(135deg, #17363b 0%, #24565d 100%);
    --ink: #193033;
    --muted: #6d7b77;
    --line: rgba(25, 48, 51, 0.12);
    --teal: #1d6a73;
    --teal-soft: rgba(29, 106, 115, 0.12);
    --coral: #c26a48;
    --gold: #c69738;
    --danger: #d54e4e;
    --success: #1d8d63;
    --shadow: 0 24px 70px rgba(63, 54, 33, 0.12);
    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 18px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(198, 151, 56, 0.18), transparent 34%),
        radial-gradient(circle at top right, rgba(29, 106, 115, 0.22), transparent 30%),
        linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255,255,255,0.18) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.18) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,0.35), transparent 70%);
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
}

.section-head h2 {
    margin: 0;
    font-family: "DIN Alternate", "Arial Narrow", "Avenir Next Condensed", sans-serif;
    font-size: 24px;
    letter-spacing: 0.03em;
}

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