.sis-service-wrap {
    margin: 15px 0;
    color: #222222;
    font-size: 16px;
    line-height: 1.6;
}

.sis-service-wrap * {
    box-sizing: border-box;
}

.sis-intro-box,
.sis-checker-box,
.sis-info-box,
.sis-inquiry-box {
    margin: 15px 0;
    padding: 20px;
    border: 1px solid #d9e4ef;
    background: #ffffff;
}

.sis-intro-box {
    background: #f1f7fc;
    border-color: #c8dced;
}

.sis-intro-box p,
.sis-checker-box p,
.sis-info-box p,
.sis-inquiry-box p,
.sis-result-row,
.sis-note-row,
.sis-detail-title,
.sis-label,
.sis-share-message,
.sis-inquiry-message {
    margin: 0;
}

.sis-field-wrap {
    margin: 15px 0;
}

.sis-label {
    display: block;
    margin-bottom: 8px;
    color: #35536f;
    font-weight: 700;
}

.sis-input,
.sis-inquiry-text {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #c3d4e3;
    background: #ffffff;
    color: #222222;
    font-size: 16px;
    outline: none;
    border-radius: 0;
    -webkit-text-fill-color: #222222 !important;
}

.sis-input:focus,
.sis-inquiry-text:focus {
    border-color: #628bb4;
    box-shadow: 0 0 0 1px #628bb4;
}

.sis-check-button,
.sis-inquiry-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 56px;
    margin: 15px 0;
    padding: 16px 20px;
    border: 1px solid #000000;
    border-radius: 0;
    background: #000000;
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
}

.sis-check-button:hover,
.sis-check-button:focus,
.sis-inquiry-button:hover,
.sis-inquiry-button:focus {
    background: #111111;
    color: #ffffff;
}

.sis-check-result,
.sis-info-result {
    margin-top: 15px;
}

.sis-result-card,
.sis-info-card {
    border: 1px solid #d9e4ef;
    background: #fbfdff;
}

.sis-result-head,
.sis-detail-title {
    padding: 14px 16px;
    border-bottom: 1px solid #d9e4ef;
    background: #f6fbff;
    color: #35536f;
    font-weight: 800;
}

.sis-result-row,
.sis-note-row {
    display: block;
    width: 100%;
    padding: 14px 16px;
    border-bottom: 1px solid #e7eef5;
}

.sis-result-row:last-child,
.sis-note-row:last-child {
    border-bottom: 0;
}

.sis-topic-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    margin: 15px 0;
}

.sis-topic-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 12px 10px;
    border: 1px solid #628bb4;
    border-radius: 0;
    background: #ffffff;
    color: #628bb4;
    font-size: 15px;
    font-weight: 700;
    text-align: center;
    cursor: pointer;
}

.sis-topic-button.is-active {
    background: #628bb4;
    color: #ffffff;
}

.sis-search-wrap {
    position: relative;
    margin: 15px 0;
}

.sis-detail-list {
    display: none;
    position: absolute;
    top: calc(100% + 2px);
    left: 0;
    right: 0;
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid #c3d4e3;
    background: #ffffff;
    z-index: 30;
}

.sis-detail-list.is-open {
    display: block;
}

.sis-detail-item {
    display: block;
    width: 100%;
    padding: 14px 16px;
    border-bottom: 1px solid #edf3f8;
    background: #ffffff;
    color: #222222;
    text-align: left;
    cursor: pointer;
}

.sis-detail-item:last-child {
    border-bottom: 0;
}

.sis-detail-item:hover,
.sis-detail-item:focus,
.sis-detail-item.is-active {
    background: #000000;
    color: #ffffff;
}

.sis-empty-row {
    padding: 14px 16px;
    color: #5f6f7f;
}

.sis-share-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 52px;
    padding: 15px 20px;
    margin: 0 0 15px;
    border: 1px solid #48657f;
    border-radius: 0;
    background: #48657f;
    color: #ffffff;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
}

.sis-share-button:hover,
.sis-share-button:focus {
    background: #3d566d;
    color: #ffffff;
}

.sis-share-message,
.sis-inquiry-message {
    margin-top: 8px;
    color: #35536f;
    font-weight: 700;
}

.sis-inquiry-box {
    border: 2px solid #d7e5f1;
    background: #fafcff;
}

.sis-inquiry-title {
    margin-bottom: 12px;
    color: #35536f;
    font-size: 20px;
    font-weight: 800;
}

.sis-inquiry-text {
    min-height: 140px;
    resize: vertical;
}

a.eitc-apply-button,
a.eitc-apply-button:link,
a.eitc-apply-button:visited,
a.eitc-apply-button:hover,
a.eitc-apply-button:focus,
a.eitc-apply-button:active {
    text-decoration: none;
}

a.eitc-apply-button,
a.eitc-apply-button:link,
a.eitc-apply-button:visited,
a.eitc-apply-button:hover,
a.eitc-apply-button:focus,
a.eitc-apply-button:active {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 56px;
    padding: 16px 20px;
    margin: 15px 0 25px;
    border: 1px solid #4d759c;
    border-radius: 0;
    background: linear-gradient(180deg, #7399c0 0%, #628bb4 48%, #4d759c 100%);
    color: #ffffff !important;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-decoration: none !important;
    box-shadow: 0 12px 24px rgba(98, 139, 180, 0.26), inset 0 1px 0 rgba(255,255,255,0.25);
    overflow: hidden;
    transition: transform 0.16s ease, box-shadow 0.16s ease, filter 0.16s ease;
    animation: eitcApplyPulse 1.7s ease-in-out infinite;
    -webkit-text-fill-color: #ffffff !important;
}

a.eitc-apply-button span,
a.eitc-apply-button span:link,
a.eitc-apply-button span:visited,
a.eitc-apply-button span:hover,
a.eitc-apply-button span:focus,
a.eitc-apply-button span:active {
    position: relative;
    z-index: 2;
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
}

a.eitc-apply-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -30%;
    width: 24%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.26) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-18deg);
    animation: eitcApplyShine 2.8s linear infinite;
    z-index: 1;
}

a.eitc-apply-button:hover,
a.eitc-apply-button:focus {
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
    transform: translateY(-1px);
    box-shadow: 0 16px 28px rgba(98, 139, 180, 0.34), inset 0 1px 0 rgba(255,255,255,0.25);
    filter: saturate(1.05);
}

a.eitc-apply-button:active {
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
    transform: translateY(1px);
    box-shadow: 0 8px 16px rgba(98, 139, 180, 0.26), inset 0 2px 6px rgba(0,0,0,0.15);
}

@keyframes eitcApplyPulse {
    0%,
    100% {
        box-shadow: 0 12px 24px rgba(98, 139, 180, 0.26), inset 0 1px 0 rgba(255,255,255,0.25);
    }
    50% {
        box-shadow: 0 16px 30px rgba(98, 139, 180, 0.34), inset 0 1px 0 rgba(255,255,255,0.3);
    }
}

@keyframes eitcApplyShine {
    0% {
        left: -30%;
    }
    100% {
        left: 120%;
    }
}

@media (max-width: 767px) {
    .sis-intro-box,
    .sis-checker-box,
    .sis-info-box,
    .sis-inquiry-box {
        padding: 16px;
    }

    .sis-topic-buttons {
        grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    }
}