:root { color-scheme: light; }

body {
    margin: 0;
    background: #ffffff;
    color: #111827;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial;
}

a { color: inherit; }

.wrap {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 16px 44px;
}

.hero {
    position: relative;
    min-height: 190px;
    display: grid;
    place-items: center;
    padding: 44px 16px 24px;
    color: #fff;
    background:
        linear-gradient(180deg, rgba(0,0,0,0.34), rgba(0,0,0,0.18)),
        url("../../img/bg.jpg") center 42%/cover no-repeat;
    border-bottom-left-radius: 22px;
    border-bottom-right-radius: 22px;
}

.hero-inner {
    width: min(820px, 100%);
    text-align: center;
}

.hero-title {
    margin: 0 0 16px;
    font-size: clamp(1.45rem, 3.2vw, 2.1rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    text-shadow: 0 8px 18px rgba(0,0,0,0.35);
}

.hero-search {
    width: min(640px, 100%);
    margin: 0 auto;
    display: grid;
    gap: 10px;
}

.searchbar {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(255,255,255,0.55);
    border-radius: 14px;
    padding: 10px 12px;
    box-shadow: 0 14px 34px rgba(0,0,0,0.20);
    backdrop-filter: blur(6px);
}

.searchbar svg { flex-shrink: 0; opacity: 0.75; }

#faq-search {
    width: 100%;
    border: none;
    outline: none;
    background: transparent;
    color: #111827;
    font-size: 1rem;
}

#faq-search::placeholder { color: rgba(17,24,39,0.55); }

.btn-cs {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    font-weight: 800;
    border-radius: 14px;
    padding: 11px 14px;
    background: #ffffff;
    color: #111827;
    border: 1px solid rgba(255,255,255,0.65);
    box-shadow: 0 14px 34px rgba(0,0,0,0.20);
    transition: transform 0.08s ease, filter 0.15s ease;
}

.btn-cs:hover { filter: brightness(0.98); }
.btn-cs:active { transform: translateY(1px); }

.back {
    position: absolute;
    left: 14px;
    top: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    background: rgba(255,255,255,0.92);
    color: #111827;
    border: 1px solid rgba(255,255,255,0.60);
    padding: 9px 12px;
    border-radius: 999px;
    font-weight: 700;
    box-shadow: 0 10px 26px rgba(0,0,0,0.18);
    backdrop-filter: blur(6px);
}

.quick {
    margin-top: 14px;
}

.quick-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.quick-btn {
    background: #fff;
    border: 1px solid rgba(17,24,39,0.10);
    border-radius: 14px;
    padding: 14px;
    text-align: center;
    cursor: pointer;
    box-shadow: 0 10px 26px rgba(17,24,39,0.06);
    transition: transform 0.08s ease, border-color 0.15s ease, box-shadow 0.15s ease;
    user-select: none;
}

.quick-btn:hover {
    border-color: rgba(17,24,39,0.22);
    box-shadow: 0 16px 34px rgba(17,24,39,0.08);
}

.quick-btn:active { transform: translateY(1px); }

.quick-ico {
    width: 42px;
    height: 42px;
    margin: 0 auto 8px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(17,24,39,0.04);
    border: 1px solid rgba(17,24,39,0.06);
}

.quick-label {
    font-weight: 800;
    color: #111827;
    font-size: 0.95rem;
}

.section {
    margin-top: 18px;
}

.section h2 {
    margin: 18px 0 10px;
    font-size: 1.1rem;
    font-weight: 900;
    letter-spacing: -0.01em;
}

.sub {
    margin: 0 0 12px;
    color: rgba(17,24,39,0.68);
    line-height: 1.55;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.info-card {
    background: #fff;
    border: 1px solid rgba(17,24,39,0.10);
    border-radius: 14px;
    padding: 14px;
    cursor: pointer;
    box-shadow: 0 10px 26px rgba(17,24,39,0.06);
    transition: transform 0.08s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.info-card:hover {
    border-color: rgba(17,24,39,0.22);
    box-shadow: 0 16px 34px rgba(17,24,39,0.08);
}

.info-card:active { transform: translateY(1px); }

.info-title {
    font-weight: 900;
    margin: 0 0 6px;
    letter-spacing: -0.01em;
}

.info-desc {
    margin: 0 0 10px;
    color: rgba(17,24,39,0.70);
    line-height: 1.55;
    font-size: 0.95rem;
}

.info-meta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.86rem;
    color: rgba(17,24,39,0.62);
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: rgba(17,24,39,0.24);
}

.divider {
    height: 1px;
    background: rgba(17,24,39,0.08);
    margin: 18px 0;
}

.faq-count {
    margin-top: 8px;
    color: rgba(17,24,39,0.65);
    font-size: 0.88rem;
}

.faq-list {
    margin-top: 12px;
    display: grid;
    gap: 10px;
}

details.faq-item {
    border: 1px solid rgba(17,24,39,0.10);
    border-radius: 14px;
    background: #fff;
    overflow: hidden;
}

details.faq-item summary {
    cursor: pointer;
    list-style: none;
    padding: 14px;
    font-weight: 800;
    font-size: 0.98rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

details.faq-item summary::-webkit-details-marker { display: none; }

details.faq-item summary .chev {
    width: 10px;
    height: 10px;
    border-right: 2px solid rgba(17,24,39,0.55);
    border-bottom: 2px solid rgba(17,24,39,0.55);
    transform: rotate(45deg);
    transition: transform 0.15s ease;
    flex-shrink: 0;
}

details[open].faq-item summary .chev { transform: rotate(-135deg); }

.faq-answer {
    padding: 0 14px 14px;
    color: rgba(17,24,39,0.78);
    line-height: 1.7;
    font-size: 0.95rem;
}

@media (min-width: 821px) {
    .hero {
        min-height: 250px;
        padding: 54px 20px 30px;
    }
}

@media (max-width: 820px) {
    .quick-grid { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr; }

    .hero-title {
        font-size: 1.9rem;
    }

    .back {
        top: 12px;
        left: 12px;
        padding: 8px 11px;
        font-size: 0.92rem;
    }

    .quick { margin-top: 12px; }
}
