:root {
    --bg: #06090d;
    --panel: #111820;
    --line: #23404f;
    --text: #e8f5fb;
    --muted: #bfd0d9;
    --accent: #5af3ff;
    --accent-soft: #9cf9ff;
}

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

html {
    scroll-behavior: smooth;
}

body.AbCdEfGhIjKl {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 14px;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: var(--accent-soft);
}

header.MnOpQrStUvWx {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(6, 9, 13, 0.95);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(8px);
}

header.MnOpQrStUvWx > .YzAbCdEfGhIj {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

header .KlMnOpQrStUv {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

#WxYzAbCdEfGh {
    display: none;
}

label.UvWxYzAbCdEf {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

label.UvWxYzAbCdEf span {
    width: 24px;
    height: 2px;
    background: var(--accent);
}

nav.QrStUvWxYzAb ul.CdEfGhIjKlMn {
    list-style: none;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
}

nav.QrStUvWxYzAb a.AbCdEfGhIjKl {
    color: #d7e8f1;
    font-size: 0.92rem;
    font-weight: 600;
}

main > section {
    padding: 64px 20px;
}

main > section > div {
    max-width: 1200px;
    margin: 0 auto;
}

h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.15;
    color: #ffffff;
    margin-bottom: 16px;
}

h2 {
    font-size: clamp(1.6rem, 3vw, 2.3rem);
    color: #d4f7ff;
    margin-bottom: 18px;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: #ffffff;
}

p {
    margin-bottom: 12px;
    color: var(--muted);
}

#AbCdEfGhIjKlMnOp .IjKlMnOpQrSt {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 32px;
    align-items: center;
}

#AbCdEfGhIjKlMnOp .IjKlMnOpQrSt > div {
    min-width: 0;
}

#AbCdEfGhIjKlMnOp img.GhIjKlMnOpQr {
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.35);
}

a.AbCdEfGhIjKlMn {
    display: inline-block;
    margin-top: 10px;
    padding: 12px 22px;
    border-radius: 8px;
    background: var(--accent);
    color: #081218;
    font-weight: 700;
}

a.AbCdEfGhIjKlMn:hover {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent-soft);
}

#QrStUvWxYzAbCdEfG .AbCdEfGhIjKl,
#OpQrStUvWxYzAbCd .MnOpQrStUvWx,
#EfGhIjKlMnOpQrSt .OpQrStUvWxYz,
#UvWxYzAbCdEfGhIj .AbCdEfGhIjKl {
    max-width: 960px;
}

#QrStUvWxYzAbCdEfG ul.KlMnOpQrStUv {
    list-style: none;
    margin-top: 12px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 14px;
}

#QrStUvWxYzAbCdEfG ul.KlMnOpQrStUv li {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 14px;
}

#IjKlMnOpQrStUvWx .YzAbCdEfGhIj {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    margin-top: 18px;
}

#IjKlMnOpQrStUvWx .YzAbCdEfGhIj > .KlMnOpQrStUv {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 20px;
}

#IjKlMnOpQrStUvWx .YzAbCdEfGhIj > .KlMnOpQrStUv > .IjKlMnOpQrSt {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--accent);
    margin: 10px 0;
}

#IjKlMnOpQrStUvWx ul.UvWxYzAbCdEf {
    list-style: none;
}

#IjKlMnOpQrStUvWx ul.UvWxYzAbCdEf li {
    padding: 8px 0 8px 16px;
    border-bottom: 1px solid rgba(90, 243, 255, 0.15);
    position: relative;
}

#IjKlMnOpQrStUvWx ul.UvWxYzAbCdEf li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
}

#YzAbCdEfGhIjKlMn .AbCdEfGhIjKl {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 28px;
    align-items: center;
}

#YzAbCdEfGhIjKlMn ul.WxYzAbCdEfGh {
    list-style: none;
}

#YzAbCdEfGhIjKlMn ul.WxYzAbCdEfGh li {
    padding: 8px 0 8px 16px;
    border-bottom: 1px solid rgba(90, 243, 255, 0.15);
    position: relative;
}

#YzAbCdEfGhIjKlMn ul.WxYzAbCdEfGh li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
}

#OpQrStUvWxYzAbCd blockquote {
    background: var(--panel);
    border: 1px solid var(--line);
    border-left: 4px solid var(--accent);
    border-radius: 12px;
    padding: 22px;
    font-size: 1.2rem;
    color: #ecfbff;
}

#OpQrStUvWxYzAbCd cite {
    display: block;
    margin-top: 12px;
    color: var(--accent);
    font-weight: 700;
}

#EfGhIjKlMnOpQrSt .MnOpQrStUvWx details {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 10px;
    margin-bottom: 12px;
}

#EfGhIjKlMnOpQrSt .MnOpQrStUvWx summary {
    cursor: pointer;
    padding: 14px;
    font-weight: 700;
    color: #f2fcff;
}

#EfGhIjKlMnOpQrSt .MnOpQrStUvWx details > div {
    padding: 0 14px 14px;
}

#UvWxYzAbCdEfGhIj form.KlMnOpQrStUv {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 20px;
}

#UvWxYzAbCdEfGhIj form.KlMnOpQrStUv > div {
    margin-bottom: 14px;
}

#UvWxYzAbCdEfGhIj label.IjKlMnOpQrSt,
#UvWxYzAbCdEfGhIj label.GhIjKlMnOpQr {
    display: block;
    margin-bottom: 8px;
    color: #d8edf4;
}

#UvWxYzAbCdEfGhIj input.UvWxYzAbCdEf,
#UvWxYzAbCdEfGhIj textarea.UvWxYzAbCdEf {
    width: 100%;
    padding: 11px 12px;
    border-radius: 8px;
    border: 1px solid #2f5767;
    background: #0a1218;
    color: #eaf7fc;
}

#UvWxYzAbCdEfGhIj button.QrStUvWxYzAb {
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    background: var(--accent);
    color: #081218;
    font-weight: 700;
    cursor: pointer;
}

footer.CdEfGhIjKlMn {
    padding: 40px 20px;
    background: #03070a;
    border-top: 1px solid var(--line);
}

footer.CdEfGhIjKlMn > .OpQrStUvWxYz {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

footer.CdEfGhIjKlMn p {
    margin-bottom: 10px;
}

footer.CdEfGhIjKlMn .WxYzAbCdEfGh {
    margin-top: 8px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

@media (max-width: 900px) {
    label.UvWxYzAbCdEf {
        display: flex;
    }

    nav.QrStUvWxYzAb {
        position: fixed;
        top: 63px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 63px);
        background: var(--bg);
        border-top: 1px solid var(--line);
        transition: left 0.3s ease;
        padding: 20px;
    }

    #WxYzAbCdEfGh:checked ~ nav.QrStUvWxYzAb {
        left: 0;
    }

    nav.QrStUvWxYzAb ul.CdEfGhIjKlMn {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    #AbCdEfGhIjKlMnOp .IjKlMnOpQrSt,
    #YzAbCdEfGhIjKlMn .AbCdEfGhIjKl {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    main > section {
        padding: 48px 16px;
    }

    #UvWxYzAbCdEfGhIj form.KlMnOpQrStUv {
        padding: 14px;
    }
}