.tf-section {
    background: linear-gradient(180deg, #f5f9ff 0%, #edf4fb 100%);
    padding: 50px 0 70px;
}

.tf-wrap {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =========================
   HEADER
========================= */
.tf-head-center {
    text-align: center;
    margin-bottom: 42px;
}

.tf-title {
    font-size: 42px;
    font-weight: 800;
    color: #123f7a;
    margin: 0 0 14px;
    line-height: 1.2;
    letter-spacing: 0.3px;
}

.tf-subtitle {
    max-width: 760px;
    margin: 0 auto;
    font-size: 17px;
    line-height: 1.9;
    color: #5f6b7a;
}

/* =========================
   CARD
========================= */
.tf-card {
    background: #ffffff;
    border-radius: 22px;
    padding: 32px 36px;
    margin-bottom: 26px;
    border: 1px solid #d9e4f0;
    box-shadow: 0 10px 30px rgba(18, 63, 122, 0.08);
    position: relative;
    overflow: hidden;
}

.tf-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #123f7a, #d6a100);
}

.tf-card-main {
    background: linear-gradient(135deg, #ffffff 0%, #f9fbff 100%);
}

.tf-card-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    color: #123f7a;
    margin: 0 0 22px;
    position: relative;
}

.tf-card-title::after {
    content: "";
    display: block;
    width: 74px;
    height: 4px;
    margin: 12px auto 0;
    border-radius: 999px;
    background: linear-gradient(90deg, #123f7a, #d9a404);
}

/* =========================
   TEXT
========================= */
.tf-card p {
    margin: 0;
    font-size: 17px;
    line-height: 2;
    color: #2d3748;
    text-align: justify;
}

/* =========================
   LIST
========================= */
.tf-list {
    margin: 0;
    padding-left: 28px;
}

.tf-list li {
    margin-bottom: 14px;
    font-size: 17px;
    line-height: 1.95;
    color: #2d3748;
    text-align: justify;
}

.tf-list li:last-child {
    margin-bottom: 0;
}

.tf-alpha {
    list-style: lower-alpha;
}

/* =========================
   BUTTON
========================= */
.tf-bottom-action {
    text-align: center;
    margin-top: 36px;
}

.tf-back-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 170px;
    padding: 14px 28px;
    border-radius: 999px;
    background: linear-gradient(135deg, #123f7a 0%, #1d5aa6 100%);
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.2px;
    box-shadow: 0 10px 22px rgba(18, 63, 122, 0.2);
    transition: all 0.25s ease;
}

.tf-back-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(18, 63, 122, 0.24);
    background: linear-gradient(135deg, #103869 0%, #184f92 100%);
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 768px) {
    .tf-section {
        padding: 30px 0 45px;
    }

    .tf-wrap {
        padding: 0 14px;
    }

    .tf-title {
        font-size: 32px;
    }

    .tf-subtitle,
    .tf-card p,
    .tf-list li {
        font-size: 15px;
        line-height: 1.8;
    }

    .tf-card {
        padding: 22px 18px;
        border-radius: 16px;
    }

    .tf-card-title {
        font-size: 22px;
    }

    .tf-list {
        padding-left: 20px;
    }

    .tf-back-btn {
        min-width: 150px;
        padding: 12px 22px;
        font-size: 14px;
    }
}