.zz-simulation-viewer {
    margin-top: 28px;
    overflow: hidden;
    border: 1px solid rgba(86, 139, 218, 0.24);
    border-radius: 18px;
    background: #081024;
    box-shadow:
        0 25px 65px rgba(5, 12, 30, 0.25),
        0 0 35px rgba(49, 111, 212, 0.06);
}

.zz-simulation-viewer-head {
    display: flex;
    min-height: 72px;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 18px;
    color: #edf4ff;
    border-bottom: 1px solid rgba(96, 148, 224, 0.17);
    background:
        linear-gradient(
            135deg,
            rgba(18, 35, 70, 0.96),
            rgba(10, 20, 44, 0.96)
        );
}

.zz-simulation-viewer-head strong,
.zz-simulation-eyebrow {
    display: block;
}

.zz-simulation-viewer-head strong {
    margin-top: 4px;
    font-size: 17px;
}

.zz-simulation-eyebrow {
    color: #6fa9fa;
    font-size: 10px;
    letter-spacing: 1.8px;
}

.zz-simulation-actions {
    display: flex;
    flex: 0 0 auto;
    gap: 9px;
}

.zz-simulation-action {
    display: inline-flex;
    min-height: 38px;
    align-items: center;
    justify-content: center;
    padding: 0 15px;
    cursor: pointer;
    color: #dceaff !important;
    font-size: 13px;
    line-height: 1;
    text-decoration: none !important;
    border: 1px solid rgba(105, 161, 239, 0.32);
    border-radius: 9px;
    background: rgba(49, 100, 179, 0.16);
    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease;
}

.zz-simulation-action:hover {
    transform: translateY(-1px);
    color: #ffffff !important;
    border-color: rgba(105, 161, 239, 0.62);
    background: rgba(49, 100, 179, 0.28);
}

.zz-simulation-fullscreen {
    background:
        linear-gradient(
            135deg,
            rgba(43, 102, 198, 0.92),
            rgba(59, 132, 230, 0.92)
        );
}

.zz-simulation-shell {
    width: 100%;
    overflow: hidden;
    background: #070c1c;
}

.zz-simulation-shell iframe {
    display: block;
    width: 100%;
    min-height: 500px;
    border: 0;
    background: #070c1c;
}

.zz-simulation-shell:fullscreen {
    width: 100vw;
    height: 100vh;
    background: #070c1c;
}

.zz-simulation-shell:fullscreen iframe {
    width: 100%;
    height: 100vh !important;
}

.zz-simulation-message,
.zz-simulation-login {
    margin-top: 25px;
    padding: 28px;
    border: 1px solid rgba(96, 148, 224, 0.2);
    border-radius: 16px;
    background: rgba(30, 55, 95, 0.08);
}

.zz-simulation-login {
    text-align: center;
}

.zz-simulation-login-icon {
    margin-bottom: 10px;
    font-size: 30px;
}

.zz-simulation-login h3 {
    margin: 0;
}

.zz-simulation-login p {
    margin: 10px 0 18px;
    color: #7e8da5;
}

.zz-simulation-login-button {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    padding: 0 20px;
    color: #ffffff !important;
    text-decoration: none !important;
    border-radius: 9px;
    background: #347fdc;
}

@media (max-width: 700px) {
    .zz-simulation-viewer {
        border-radius: 13px;
    }

    .zz-simulation-viewer-head {
        align-items: flex-start;
        flex-direction: column;
        padding: 14px;
    }

    .zz-simulation-actions {
        width: 100%;
    }

    .zz-simulation-action {
        flex: 1;
    }
}


/* ===== 仿真实验访问权限 ===== */

.zz-simulation-gate,
.zz-simulation-zibpay {
    margin-top: 26px;
    padding: 40px 28px;
    text-align: center;
    border: 1px solid rgba(93, 151, 235, 0.23);
    border-radius: 18px;
    background:
        radial-gradient(
            circle at 50% 0,
            rgba(55, 125, 226, 0.15),
            transparent 48%
        ),
        rgba(15, 25, 47, 0.78);
    box-shadow:
        0 22px 60px rgba(0, 0, 0, 0.18),
        inset 0 1px rgba(255, 255, 255, 0.025);
}

.zz-simulation-gate-icon {
    display: grid;
    width: 68px;
    height: 68px;
    margin: 0 auto 17px;
    place-items: center;
    color: #83b9ff;
    font-size: 28px;
    border: 1px solid rgba(105, 166, 245, 0.3);
    border-radius: 20px;
    background: rgba(49, 110, 203, 0.14);
    box-shadow: 0 0 35px rgba(55, 132, 235, 0.1);
}

.zz-simulation-gate-eyebrow,
.zz-simulation-pay-heading > span {
    color: #6da9f8;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
}

.zz-simulation-gate h3,
.zz-simulation-pay-heading h3 {
    margin: 9px 0 10px;
    color: var(--main-color, #edf4ff);
    font-size: 24px;
}

.zz-simulation-gate p {
    max-width: 620px;
    margin: 0 auto 22px;
    color: var(--muted-color, #91a2bb);
    line-height: 1.8;
}

.zz-simulation-gate-button {
    display: inline-flex;
    min-height: 43px;
    align-items: center;
    justify-content: center;
    padding: 0 22px;
    color: #ffffff !important;
    text-decoration: none !important;
    border: 1px solid rgba(116, 174, 248, 0.38);
    border-radius: 10px;
    background:
        linear-gradient(
            135deg,
            #2c68bf,
            #3b89e7
        );
    box-shadow: 0 10px 28px rgba(41, 107, 203, 0.2);
}

.zz-simulation-gate-button:hover {
    color: #ffffff !important;
    transform: translateY(-1px);
}

.zz-simulation-zibpay {
    text-align: left;
}

.zz-simulation-pay-heading {
    margin-bottom: 22px;
    text-align: center;
}

.zz-simulation-zibpay #posts-pay,
.zz-simulation-zibpay .posts-pay {
    margin: 0 auto;
}

@media (max-width: 700px) {
    .zz-simulation-gate,
    .zz-simulation-zibpay {
        padding: 30px 17px;
        border-radius: 14px;
    }

    .zz-simulation-gate h3,
    .zz-simulation-pay-heading h3 {
        font-size: 21px;
    }

    .zz-simulation-gate-button {
        width: 100%;
    }
}