:root {
    --blue: #185FA5;
    --teal: #1D9E75;
    --coral: #D85A30;
    --purple: #534AB7;
    --amber: #BA7517;
    --blue-l: rgba(24, 95, 165, 0.38);
    --teal-l: rgba(29, 158, 117, 0.38);
    --coral-l: rgba(216, 90, 48, 0.38);
    --purple-l: rgba(83, 74, 183, 0.38);
    --amber-l: rgba(186, 117, 23, 0.38);
    --gray: #B4B2A9;
    --bg: #ffffff;
    --bg2: #f8f7f4;
    --bg3: #f1efe8;
    --text: #1a1a18;
    --text2: #5f5e5a;
    --text3: #888780;
    --border: rgba(136, 135, 128, 0.2);
    --grid: rgba(136, 135, 128, 0.15);
    --radius: 10px;
    --radius-sm: 6px;
    --sig: #eaf3de;
    --sig-t: #27500A;
    --marg: #faeeda;
    --marg-t: #633806;
    --ns: #f1efe8;
    --ns-t: #444441;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Georgia', serif;
    background: var(--bg2);
    color: var(--text);
    min-height: 100vh;
}

header {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 2rem 2.5rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    font-size: 1.4rem;
    font-weight: normal;
    letter-spacing: -0.01em;
}

header p {
    font-size: 0.8rem;
    color: var(--text3);
    margin-top: 4px;
    font-family: 'Courier New', monospace;
}

nav {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 0 2.5rem;
    display: flex;
    overflow-x: auto;
}

nav button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Georgia', serif;
    font-size: 0.8rem;
    color: var(--text3);
    padding: 0.75rem 1.1rem;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

nav button:hover {
    color: var(--text);
}

nav button.active {
    color: var(--text);
    border-bottom-color: var(--blue);
}

main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 2rem 4rem;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

.sh {
    margin-bottom: 1.5rem;
}

.sh h2 {
    font-size: 1.1rem;
    font-weight: normal;
}

.sh p {
    font-size: 0.8rem;
    color: var(--text3);
    margin-top: 4px;
    line-height: 1.6;
}

.mr {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 1.5rem;
}

.mc {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.9rem 1rem;
}

.mc .lbl {
    font-size: 0.7rem;
    color: var(--text3);
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 5px;
}

.mc .val {
    font-size: 1.6rem;
    font-weight: normal;
    color: var(--text);
    line-height: 1;
}

.mc .sub {
    font-size: 0.7rem;
    color: var(--text3);
    margin-top: 4px;
}

.g2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.g3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 16px;
}

.cc {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}

.cc .ct {
    font-size: 0.85rem;
    font-weight: normal;
    color: var(--text);
    margin-bottom: 2px;
}

.cc .cs {
    font-size: 0.72rem;
    color: var(--text3);
    margin-bottom: 12px;
    line-height: 1.5;
}

.cw {
    position: relative;
    width: 100%;
}

.lg {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 0.72rem;
    color: var(--text2);
}

.lg span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.sw {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    display: inline-block;
}

.sl {
    width: 18px;
    height: 3px;
    border-radius: 2px;
    display: inline-block;
}

.bd {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.b {
    display: inline-block;
    font-size: 0.68rem;
    padding: 2px 7px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
}

.b.sig {
    background: var(--sig);
    color: var(--sig-t);
}

.b.marg {
    background: var(--marg);
    color: var(--marg-t);
}

.b.ns {
    background: var(--ns);
    color: var(--ns-t);
}

.dv {
    font-size: 0.68rem;
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text3);
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 3px 10px;
    display: inline-block;
    margin-bottom: 10px;
}

.st {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
    margin-top: 8px;
}

.st th {
    text-align: left;
    font-weight: normal;
    font-size: 0.68rem;
    color: var(--text3);
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 5px 8px;
    border-bottom: 1px solid var(--border);
}

.st td {
    padding: 6px 8px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    vertical-align: middle;
}

.st tr:last-child td {
    border-bottom: none;
}

.fn {
    font-size: 0.68rem;
    color: var(--text3);
    margin-top: 1rem;
    line-height: 1.7;
    font-family: 'Courier New', monospace;
    border-top: 1px solid var(--border);
    padding-top: 0.75rem;
}

@media (max-width: 700px) {
    .g2,
    .g3 {
        grid-template-columns: 1fr;
    }

    .mr {
        grid-template-columns: repeat(2, 1fr);
    }

    header,
    nav {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    main {
        padding: 1rem 1rem 3rem;
    }
}