:root {
    --ink: #ffffff;
    --muted: #d7e4f5;
    --cyan: #46e6ff;
    --pink: #ff4fc3;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    background:
        linear-gradient(180deg, rgba(4, 7, 18, .36), rgba(5, 7, 18, .88)),
        url("Images/kpop-stage-hero.png") center / cover fixed no-repeat,
        #050711;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(255, 79, 195, .22), transparent 34%, rgba(70, 230, 255, .2)),
        repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0, rgba(255,255,255,.035) 1px, transparent 1px, transparent 18px);
}

.landing-shell {
    position: relative;
    z-index: 1;
    width: min(1120px, calc(100% - 32px));
    min-height: calc(100vh - 54px);
    margin: 0 auto;
    display: grid;
    align-items: center;
    padding: 36px 0;
}

.landing-hero {
    max-width: 760px;
    padding: 34px;
    border: 1px solid rgba(172, 224, 255, .22);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(11, 15, 34, .78), rgba(20, 8, 28, .68)),
        rgba(5, 7, 18, .68);
    box-shadow: 0 24px 70px rgba(0, 0, 0, .42), inset 0 0 0 1px rgba(255, 255, 255, .06);
    backdrop-filter: blur(16px);
}

.landing-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border: 1px solid rgba(255, 79, 195, .52);
    border-radius: 8px;
    background: rgba(255, 79, 195, .12);
    color: #ffd8f3;
    font-size: 12px;
    font-weight: 800;
}

.landing-hero h1 {
    margin: 14px 0 0;
    font-size: clamp(42px, 8vw, 86px);
    line-height: 1.05;
    letter-spacing: 0;
    text-shadow: 0 0 30px rgba(70, 230, 255, .28);
}

.landing-hero p {
    max-width: 620px;
    margin: 16px 0 0;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.8;
}

.enter-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 168px;
    min-height: 48px;
    margin-top: 26px;
    padding: 0 22px;
    border: 1px solid rgba(255, 79, 195, .72);
    border-radius: 8px;
    background: linear-gradient(135deg, #ff3eb8, #7c5cff 52%, #21c8ff);
    color: #ffffff;
    font-size: 17px;
    font-weight: 900;
    text-decoration: none;
    box-shadow: 0 16px 34px rgba(255, 79, 195, .24);
}

.enter-button:hover {
    filter: brightness(1.08);
}

.landing-footer {
    position: relative;
    z-index: 1;
    padding: 12px;
    background: rgba(4, 7, 18, .86);
    text-align: center;
    font-size: 13px;
}

.landing-footer a {
    color: #c9d9f2;
    text-decoration: none;
}

@media (max-width: 720px) {
    body {
        background-attachment: scroll;
    }

    .landing-shell {
        width: min(100% - 20px, 1120px);
        align-items: end;
        padding: 20px 0;
    }

    .landing-hero {
        padding: 22px;
    }

    .landing-hero p {
        font-size: 16px;
    }

    .enter-button {
        width: 100%;
    }
}