/* === Hero Banner === */
.hero {
    position: relative;
    min-height: 510px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 75px;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}
.hero-mask {
    position: absolute;
    inset: 0;
    z-index: 1;
}
.hero-mask img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1000px;
    padding: 0 20px;
}
.hero-tag {
    display: inline-flex;
    align-items: center;
    background: #0068dd;
    border-radius: 4px;
    padding: 6px 20px;
    font-size: 16px;
    color: #fff;
    margin-bottom: 20px;
}
.hero-title {
    font-size: 40px;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 4px 4px rgba(0,0,0,0.25);
    margin-bottom: 16px;
    letter-spacing: 1px;
}
.hero-desc {
    font-size: 20px;
    line-height: 40px;
    color: #fff;
    text-shadow: 0 4px 4px rgba(0,0,0,0.25);
    max-width: 921px;
    margin: 0 auto;
}

/* === Section Base === */
.section {
    padding: 64px 0;
    position: relative;
}

/* === Six Core Features Header === */
.features-header {
    text-align: center;
    margin-bottom: 32px;
}
.features-header .tag {
    display: inline-block;
    background: #e8f0fe;
    border: 1px solid #0068dd;
    border-radius: 30px;
    padding: 4px 20px;
    font-size: 12px;
    color: #0068dd;
    margin-bottom: 16px;
}
.features-header .title {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: 2.4px;
    background: linear-gradient(180deg, #00e5ff 18%, #0068dd 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}
.features-header .desc {
    font-size: 20px;
    color: #000;
    line-height: 40px;
}

/* === Feature Block === */
.feature-block {
    display: flex;
    align-items: center;
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto 64px;
    padding: 0 40px;
}
.feature-block.reverse { flex-direction: row-reverse; }
.feature-text { flex: 1; max-width: 680px; }
.feature-image { flex: 1; }
.feature-image img {
    width: 100%;
    border-radius: 60px;
    box-shadow: 15px -10px 4px rgba(0,104,221,0.05);
}
.feature-icon {
    width: 81px;
    height: 96px;
    margin-bottom: 10px;
}
.feature-icon img { width: 100%; height: 100%; object-fit: contain; }
.feature-label {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 6px;
}
.feature-label .gradient {
    background-size: cover;
    background-position: center;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.feature-underline {
    width: 80px;
    height: 3px;
    background: #0068dd;
    margin: 10px 0 12px;
}
.feature-desc {
    font-size: 16px;
    line-height: 30px;
    color: #000;
}

/* === Security Section === */
.security-section {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    padding: 64px 0;
    overflow: hidden;
}
.security-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.53;
    z-index: 0;
}
.security-content {
    position: relative;
    z-index: 1;
    width: 100%;
}
.security-header { text-align: center; margin-bottom: 32px; }
.security-header .tag {
    display: inline-block;
    background: #e8f0fe;
    border: 1px solid #0068dd;
    border-radius: 30px;
    padding: 4px 20px;
    font-size: 12px;
    color: #0068dd;
    margin-bottom: 16px;
}
.security-header .title {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: 2.4px;
    background: linear-gradient(180deg, #00e5ff 18%, #0068dd 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}
.security-header .desc {
    font-size: 20px;
    color: #000;
    line-height: 40px;
}
.security-cards {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}
.security-card {
    background: rgba(253,254,255,0.7);
    border-radius: 16px;
    padding: 24px 20px;
    width: 360px;
    max-width: 100%;
}
.security-card .icon {
    width: 36px;
    height: 36px;
    margin-bottom: 12px;
}
.security-card .icon img { width: 100%; height: 100%; object-fit: contain; }
.security-card .card-title {
    font-size: 16px;
    font-weight: 600;
    color: #000;
    margin-bottom: 8px;
}
.security-card .card-desc {
    font-size: 16px;
    line-height: 28px;
    color: #000;
}

/* === Responsive === */
@media (max-width: 1024px) {
    .feature-block { flex-direction: column !important; gap: 24px; }
    .feature-block.reverse { flex-direction: column !important; }
    .hero-title { font-size: 32px; }
    .hero-desc { font-size: 18px; line-height: 32px; }
    .features-header .title,
    .security-header .title { font-size: 30px; }
    .features-header .desc,
    .security-header .desc { font-size: 18px; line-height: 30px; }
    .security-card { width: 100%; max-width: 400px; }
}
@media (max-width: 768px) {
    .hero-title { font-size: 28px; }
    .feature-label { font-size: 24px; }
    .feature-desc { font-size: 15px; line-height: 26px; }
    .features-header .title,
    .security-header .title { font-size: 24px; }
    .security-cards { gap: 12px; }
    .security-card { flex: 1; min-width: 0; padding: 16px 12px; }
    .security-card .card-title,
    .security-card .card-desc { overflow-wrap: break-word; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 24px; }
    .hero-desc { font-size: 15px; line-height: 26px; }
    .hero-tag { font-size: 14px; padding: 4px 16px; }
    .hero { min-height: 360px; }
    .features-header .title,
    .security-header .title { font-size: 22px; letter-spacing: 1px; }
    .features-header .desc,
    .security-header .desc { font-size: 15px; line-height: 28px; }
    .feature-block { padding: 0 16px; gap: 16px; margin-bottom: 40px; }
    .feature-label { font-size: 20px; }
    .feature-desc { font-size: 14px; line-height: 24px; }
    .feature-icon { width: 56px; height: 66px; }
    .security-content { padding: 0 16px; }
    .security-cards { padding: 0 4px; gap: 8px; }
    .security-card { padding: 12px 8px; min-width: 0; }
    .security-card .card-title { font-size: 13px; overflow-wrap: break-word; }
    .security-card .card-desc { font-size: 12px; line-height: 20px; overflow-wrap: break-word; }
    .security-card .icon { width: 24px; height: 24px; margin-bottom: 8px; }
    .section { padding: 48px 0; }
}