/* Blog index — upgraded guide layout */
.bl {
    background: #F5F7FA;
    color: #0F172A;
    font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 15px;
    line-height: 1.5;
}
.bl * { box-sizing: border-box; }
.bl a { color: inherit; text-decoration: none; }
.bl .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.bl p { margin: 0; color: #5B6577; }
.bl-w { max-width: 1200px; margin: 0 auto; padding: 0 24px 64px; }

.bl-hero {
    background: linear-gradient(180deg, #EAF1FD, #F5F7FA);
    padding: 34px 0 8px;
}
.bl-crumb { font-size: 13px; color: #5B6577; }
.bl-crumb a:hover { color: #1557BF; }
.bl-hero h1 {
    margin: 6px 0 8px;
    font-family: Inter, system-ui, sans-serif;
    font-size: 40px;
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.15;
    color: #0F172A;
}
.bl-hero > .bl-w > p {
    margin: 0 0 20px;
    color: #5B6577;
    font-size: 17px;
    max-width: 620px;
}
.bl-search { max-width: 620px; }
.bl-search input {
    width: 100%;
    height: 52px;
    border: 1px solid #E3E8F0;
    border-radius: 12px;
    padding: 0 18px;
    background: #fff;
    box-shadow: 0 10px 30px rgba(11, 31, 74, 0.08);
    font: inherit;
    font-size: 15px;
    color: #0F172A;
}
.bl-search input:focus {
    outline: none;
    border-color: #1557BF;
    box-shadow: 0 0 0 3px rgba(245, 130, 32, 0.55);
}

.bl-topics {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 18px 0 4px;
    scrollbar-width: none;
}
.bl-topics::-webkit-scrollbar { display: none; }
.bl-topics a {
    flex: none;
    border: 1px solid #E3E8F0;
    background: #fff;
    border-radius: 999px;
    padding: 9px 16px;
    font-size: 14px;
    font-weight: 500;
    color: #0F172A;
}
.bl-topics a:hover { border-color: #1557BF; color: #1557BF; }
.bl-topics a.is-on,
.bl-topics a.is-on:hover {
    background: #1557BF;
    border-color: #1557BF;
    color: #fff;
    font-weight: 600;
}

.bl-feat {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    background: #fff;
    border: 1px solid #E3E8F0;
    border-radius: 20px;
    overflow: hidden;
    margin-top: 22px;
    box-shadow: 0 14px 40px rgba(11, 31, 74, 0.08);
}
.bl-im {
    background: linear-gradient(135deg, #EAF1FD, #EEF2F8);
    color: #5B6577;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
}
.bl-im img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.bl-feat__im { min-height: 320px; }
.bl-feat__im img { min-height: 320px; }
.bl-feat__tx {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    justify-content: center;
}
.bl-feat h2 a { color: inherit; }
.bl-feat h2 a:hover { color: #1557BF; }
.bl-feat h2 {
    margin: 0;
    font-family: Inter, system-ui, sans-serif;
    font-size: 28px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: #0F172A;
}
.bl-feat p { margin: 0; color: #5B6577; font-size: 16px; }
.bl-tag {
    align-self: flex-start;
    display: inline-block;
    background: #EAF1FD;
    color: #1557BF;
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.03em;
}
.bl-meta { color: #5B6577; font-size: 13px; }
.bl-row { display: flex; gap: 10px; flex-wrap: wrap; }

.bl a.bl-btn,
.bl button.bl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 18px;
    border-radius: 10px;
    border: 1.5px solid #E3E8F0;
    background: #fff;
    font-family: inherit;
    font-weight: 600;
    font-size: 14px;
    color: #0F172A;
    cursor: pointer;
    text-decoration: none;
}
.bl a.bl-btn:hover,
.bl button.bl-btn:hover { border-color: #1557BF; color: #1557BF; }
.bl a.bl-btn--pri,
.bl button.bl-btn--pri,
.bl a.bl-btn--pri:hover,
.bl button.bl-btn--pri:hover {
    background: #1557BF;
    border-color: #1557BF;
    color: #fff;
}
.bl a.bl-btn--pri:hover,
.bl button.bl-btn--pri:hover { filter: brightness(1.08); }
.bl a.bl-btn--acc,
.bl button.bl-btn--acc,
.bl a.bl-btn--acc:hover,
.bl button.bl-btn--acc:hover {
    background: #F58220;
    border-color: #F58220;
    color: #1A1000;
    font-weight: 700;
}

.bl-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin: 26px 0 16px;
}
.bl-bar b { font-size: 16px; color: #0F172A; }
.bl-bar label { color: #5B6577; font-size: 13px; display: inline-flex; align-items: center; gap: 8px; }
.bl-bar select {
    height: 40px;
    border: 1px solid #E3E8F0;
    border-radius: 8px;
    background: #fff;
    padding: 0 10px;
    color: #0F172A;
    font: inherit;
}

.bl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.bl-card {
    background: #fff;
    border: 1px solid #E3E8F0;
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: 0.2s;
    color: inherit;
}
.bl-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 34px rgba(11, 31, 74, 0.13);
    border-color: #1557BF;
}
.bl-card__im { height: 180px; }
.bl-card__im img { height: 180px; }
.bl-card__bd {
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}
.bl-card h3 {
    margin: 0;
    font-family: Inter, system-ui, sans-serif;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -0.01em;
    color: #0F172A;
}
.bl-card h3 a { color: inherit; }
.bl-card h3 a:hover { color: #1557BF; }
.bl-card p { margin: 0; color: #5B6577; font-size: 14px; line-height: 1.55; }
.bl-card__ft {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding-top: 12px;
    border-top: 1px solid #E3E8F0;
    font-size: 14px;
}
.bl-card__ft a:first-child { color: #1557BF; font-weight: 700; }
.bl-card__ft a:first-child:hover { color: #0f4aa8; }
.bl-card__ft a:last-child { color: #5B6577; font-size: 13px; font-weight: 500; }
.bl-card__ft a:last-child:hover { color: #1557BF; }
.bl mark { background: #FDE68A; color: #111; border-radius: 3px; }

.bl-more { display: flex; justify-content: center; margin-top: 28px; }
.bl-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 56px 20px;
    background: #fff;
    border: 1px dashed #E3E8F0;
    border-radius: 14px;
    color: #5B6577;
}
.bl-empty b { display: block; color: #0F172A; margin-bottom: 6px; }
.bl-empty p { margin: 0 0 16px; }
.bl-empty .bl-row { justify-content: center; }

.bl-two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 44px; }
.bl-cta { border-radius: 20px; padding: 32px; }
.bl-cta h2 {
    margin: 0 0 6px;
    font-family: Inter, system-ui, sans-serif;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #0F172A;
}
.bl-cta p { margin: 0 0 18px; }
.bl-cta--note { background: #fff; border: 1px solid #E3E8F0; }
.bl-cta--note p { color: #5B6577; }
.bl-cta--guide {
    background: linear-gradient(135deg, #0B1F4A, #16357C);
    color: #fff;
}
.bl-cta--guide h2 { color: #fff; }
.bl-cta--guide p { color: #C7D3EE; }
.bl-cta--guide .bl-btn:not(.bl-btn--acc),
.bl-cta--guide .bl-btn:not(.bl-btn--acc):hover {
    color: #0F172A;
    background: #fff;
    border-color: #fff;
}
.bl-nl { display: flex; gap: 8px; }
.bl-nl input {
    flex: 1;
    height: 44px;
    border: 1px solid #E3E8F0;
    border-radius: 10px;
    padding: 0 12px;
    background: #F5F7FA;
    color: #0F172A;
    font: inherit;
    min-width: 0;
}
.bl-nl input:focus {
    outline: none;
    border-color: #1557BF;
    box-shadow: 0 0 0 3px rgba(245, 130, 32, 0.55);
}
.bl-er { color: #DC2626; font-size: 12px; margin-top: 6px; }

@media (max-width: 1000px) {
    .bl-grid { grid-template-columns: 1fr 1fr; }
    .bl-feat, .bl-two { grid-template-columns: 1fr; }
    .bl-feat__im, .bl-feat__im img { min-height: 220px; }
}
@media (max-width: 640px) {
    .bl-w { padding: 0 14px 48px; }
    .bl-grid { grid-template-columns: 1fr; }
    .bl-hero h1 { font-size: 30px; }
    .bl-feat__tx { padding: 22px; }
    .bl-nl { flex-direction: column; }
    .bl-cta { padding: 22px; }
}