:root {
    --kor-navy: #0d1b2a;
    --kor-deep: #1b2c63;
    --kor-blue: #2563eb;
    --kor-sky: #8ec5d3;
    --kor-sky-soft: #e9f6fa;
    --kor-paper: #ffffff;
    --kor-bg: #f7fbff;
    --kor-line: #d9e4f0;
    --kor-muted: #536276;
    --kor-ink: #111827;
    --kor-shadow: 0 22px 54px rgba(13, 27, 42, 0.12);
}

.kor-site {
    color: var(--kor-ink);
    background: var(--kor-bg);
}

.kor-site .site-header {
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--kor-line);
}

.kor-site .header-inner {
    max-width: 1400px;
    grid-template-columns: 172px minmax(0, 1fr) auto;
    gap: 18px;
}

.kor-logo {
    display: inline-flex;
    align-items: center;
    flex: 0 0 172px;
    width: 172px;
    min-width: 172px;
    text-decoration: none;
}

.kor-logo.locked-link {
    opacity: 0.6;
    cursor: default;
}

.kor-header-wordmark {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    width: 100%;
    min-width: 0;
    color: var(--kor-ink);
    line-height: 1;
}

.kor-header-mark {
    flex: 0 0 34px;
    width: 34px;
    height: 26px;
    object-fit: contain;
}

.kor-header-text {
    display: inline-flex;
    align-items: baseline;
    min-width: 0;
    white-space: nowrap;
    font-weight: 900;
    letter-spacing: 0;
}

.kor-header-text span:first-child {
    color: #1d3a98;
    font-size: 25px;
}

.kor-header-text span:last-child {
    color: #403c3c;
    font-size: 24px;
}

.kor-footer-logo {
    display: block;
    width: 150px;
    height: auto;
    margin-bottom: 8px;
}

.kor-site .main-nav {
    flex: 1 1 auto;
    min-width: 0;
}

.kor-site .gnb {
    gap: clamp(10px, 1.05vw, 18px);
    justify-content: flex-start;
}

.kor-site .gnb > li > a {
    color: var(--kor-ink);
    font-size: clamp(14px, 1.1vw, 15px);
    font-weight: 700;
    white-space: nowrap;
}

.kor-site .gnb > li.has-submenu > a::after {
    content: "";
    width: 6px;
    height: 6px;
    margin-left: 6px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
    transition: transform 0.15s ease;
    opacity: 0.65;
}

.kor-site .gnb > li.has-submenu:hover > a::after {
    transform: translateY(1px) rotate(-135deg);
    opacity: 1;
}

.kor-site .auth-area {
    flex: 0 0 auto;
    white-space: nowrap;
}

.kor-site .kor-submenu {
    min-width: 190px;
    padding: 6px 0;
}

.kor-site .kor-submenu-head {
    padding: 9px 16px;
    margin: 4px 0 2px;
    background: var(--kor-deep);
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    white-space: nowrap;
}

.kor-site .kor-submenu-head:first-child {
    margin-top: 0;
}

.kor-site .kor-submenu > li > a {
    display: block;
    padding: 9px 16px;
    font-size: 14px;
    white-space: nowrap;
}

.kor-hero {
    background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
    padding: 86px 0 74px;
}

.kor-hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 760px) minmax(320px, 420px);
    align-items: center;
    gap: clamp(52px, 8vw, 132px);
    max-width: 1280px;
}

.kor-hero-brand {
    max-width: 760px;
}

.kor-hero-kicker {
    margin: 0 0 14px;
    color: var(--kor-navy);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.kor-hero-logo {
    display: block;
    width: min(520px, 100%);
    height: auto;
    margin: 0 0 20px;
}

.kor-hero-tagline {
    margin: 0 0 20px;
    color: var(--kor-blue);
    font-size: 18px;
    font-weight: 800;
}

.kor-hero h1 {
    max-width: 680px;
    margin: 0 0 18px;
    color: var(--kor-ink);
    font-size: 36px;
    line-height: 1.35;
    word-break: keep-all;
}

.kor-hero-desc {
    max-width: 640px;
    margin: 0 0 30px;
    color: #2d3a50;
    font-size: 16px;
    line-height: 1.72;
    word-break: keep-all;
}

.kor-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.kor-hero-visual {
    display: flex;
    justify-content: center;
}

.kor-hero-visual-card {
    display: flex;
    width: min(100%, 360px);
    aspect-ratio: 1 / 0.82;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 22px;
    border-radius: 8px;
    background: #1d2f65;
    box-shadow: 0 30px 70px rgba(13, 27, 55, 0.18);
}

.kor-hero-visual-mark {
    display: block;
    width: 68%;
    max-width: 240px;
    height: auto;
}

.kor-hero-visual-card p {
    margin: 0;
    color: #8bd6ff;
    font-size: 18px;
    font-weight: 900;
    text-align: center;
    word-break: keep-all;
}

.kor-btn-primary,
.kor-btn-ghost,
.kor-btn-search,
.kor-btn-reset {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border-radius: 8px;
    padding: 0 22px;
    font-size: 15px;
    font-weight: 800;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.kor-btn-primary,
.kor-btn-search {
    border: 1px solid #2563eb;
    background: #2563eb;
    color: #fff;
}

.kor-btn-ghost,
.kor-btn-reset {
    border: 1px solid var(--kor-line);
    background: #fff;
    color: var(--kor-navy);
}

.kor-btn-primary:hover,
.kor-btn-ghost:hover,
.kor-btn-search:hover,
.kor-btn-reset:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(13, 27, 42, 0.12);
}

.kor-search-section {
    padding: 48px 0 56px;
    background: #fff;
}

.kor-search-section h2 {
    margin: 0 0 26px;
    color: var(--kor-ink);
    font-size: 30px;
    text-align: center;
    font-weight: 900;
    word-break: keep-all;
}

.kor-search-box {
    display: grid;
    grid-template-columns: 1fr 56px;
    width: min(620px, 100%);
    margin: 0 auto 28px;
    border: 1px solid var(--kor-line);
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 14px 36px rgba(13, 27, 42, 0.08);
}

.kor-search-box input {
    min-width: 0;
    height: 54px;
    border: 0;
    padding: 0 20px;
    color: var(--kor-ink);
    font-size: 15px;
    outline: none;
}

.kor-search-box button {
    position: relative;
    border: 0;
    background: var(--kor-blue);
    color: #fff;
    cursor: pointer;
}

.kor-search-box button span {
    display: none;
}

.kor-search-box button::before,
.kor-search-box button::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
}

.kor-search-box button::before {
    width: 16px;
    height: 16px;
    border: 3px solid #fff;
    border-radius: 50%;
    transform: translate(-58%, -58%);
}

.kor-search-box button::after {
    width: 12px;
    height: 3px;
    border-radius: 99px;
    background: #fff;
    transform: translate(4px, 6px) rotate(45deg);
}

.kor-topic-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 0 auto 38px;
    max-width: 880px;
}

.kor-topic-chips a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    min-width: 88px;
    padding: 0 28px;
    border: 1px solid var(--kor-line);
    border-radius: 8px;
    background: #fff;
    color: var(--kor-ink);
    font-size: 15px;
    font-weight: 800;
    text-decoration: none;
}

.kor-topic-chips a:hover {
    border-color: var(--kor-blue);
    color: var(--kor-blue);
}

.kor-recommend-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    max-width: 1152px;
    margin: 0 auto 16px;
}

.kor-recommend-head h3 {
    margin: 0;
    color: var(--kor-ink);
    font-size: 20px;
}

.kor-recommend-head a {
    color: var(--kor-blue);
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
}

.kor-recommend-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    max-width: 1152px;
    margin: 0 auto;
}

.kor-resource-card {
    overflow: hidden;
    border: 1px solid var(--kor-line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 10px 28px rgba(13, 27, 42, 0.07);
}

.kor-resource-thumb {
    display: grid;
    place-items: center;
    height: 126px;
    color: rgba(13, 27, 42, 0.68);
    font-family: Batang, "Times New Roman", serif;
    font-size: 44px;
    font-weight: 800;
}

.kor-resource-card h4 {
    margin: 14px 16px 4px;
    color: var(--kor-ink);
    font-size: 16px;
}

.kor-resource-card p {
    margin: 0 16px 16px;
    color: var(--kor-muted);
    font-size: 14px;
}

.kor-resource-card-green .kor-resource-thumb {
    background: #dbe9ce;
}

.kor-resource-card-dark .kor-resource-thumb {
    background: #263241;
    color: #fff;
}

.kor-resource-card-blue .kor-resource-thumb {
    background: #cfe8f7;
}

.kor-resource-card-warm .kor-resource-thumb {
    background: #ead4a8;
}

.kor-feature-band {
    background: linear-gradient(180deg, #f7fbff 0%, #ffffff 100%);
    border-top: 1px solid #edf3f9;
    border-bottom: 1px solid var(--kor-line);
}

.kor-feature-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.kor-feature {
    min-height: 214px;
    padding: 34px 28px 32px;
    text-align: center;
    border-right: 1px solid var(--kor-line);
}

.kor-feature:last-child {
    border-right: 0;
}

.kor-feature-icon {
    position: relative;
    display: inline-block;
    width: 54px;
    height: 54px;
    margin-bottom: 18px;
    color: var(--kor-blue);
}

.kor-feature-icon::before,
.kor-feature-icon::after {
    content: "";
    position: absolute;
    inset: 0;
}

.kor-feature-book::before {
    inset: 9px 7px 10px;
    border: 3px solid currentColor;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    border-bottom: 0;
}

.kor-feature-book::after {
    left: 50%;
    top: 10px;
    bottom: 8px;
    width: 3px;
    background: currentColor;
    transform: translateX(-50%);
}

.kor-feature-network::before {
    left: 10px;
    top: 10px;
    width: 10px;
    height: 10px;
    border: 3px solid currentColor;
    border-radius: 50%;
    box-shadow: 25px 4px 0 -3px #fff, 25px 4px 0 0 currentColor, 12px 28px 0 -3px #fff, 12px 28px 0 0 currentColor;
}

.kor-feature-network::after {
    left: 18px;
    top: 18px;
    width: 28px;
    height: 28px;
    border-top: 3px solid currentColor;
    border-left: 3px solid currentColor;
    transform: rotate(32deg);
}

.kor-feature-screen::before {
    inset: 8px 7px 17px;
    border: 3px solid currentColor;
    border-radius: 4px;
}

.kor-feature-screen::after {
    left: 17px;
    right: 17px;
    bottom: 8px;
    height: 3px;
    background: currentColor;
    box-shadow: 8px -12px 0 0 currentColor, 16px -20px 0 0 currentColor;
}

.kor-feature-cap::before {
    left: 7px;
    top: 15px;
    width: 40px;
    height: 22px;
    border: 3px solid currentColor;
    transform: skewY(-24deg) rotate(24deg);
}

.kor-feature-cap::after {
    right: 7px;
    bottom: 9px;
    width: 18px;
    height: 18px;
    border-right: 3px solid currentColor;
    border-bottom: 3px solid currentColor;
    border-radius: 0 0 10px 0;
}

.kor-feature h2 {
    margin: 0 0 10px;
    color: var(--kor-ink);
    font-size: 17px;
}

.kor-feature p {
    margin: 0;
    color: var(--kor-muted);
    font-size: 14px;
    line-height: 1.65;
    word-break: keep-all;
}

.kor-section {
    padding: 64px 0;
    background: #fff;
}

.kor-section-muted {
    background: var(--kor-bg);
}

.kor-section-head {
    margin-bottom: 28px;
}

.kor-section-title {
    margin: 0 0 10px;
    color: var(--kor-ink);
    font-size: 28px;
    line-height: 1.35;
    word-break: keep-all;
}

.kor-section-desc {
    margin: 0;
    color: var(--kor-muted);
    font-size: 16px;
    line-height: 1.7;
    word-break: keep-all;
}

.kor-path-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
}

.kor-path-card {
    display: block;
    min-height: 170px;
    padding: 26px 24px;
    border: 1px solid var(--kor-line);
    border-radius: 8px;
    background: #fff;
    color: var(--kor-ink);
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.kor-path-card:hover {
    transform: translateY(-2px);
    border-color: var(--kor-blue);
    box-shadow: var(--kor-shadow);
}

.kor-path-label {
    display: block;
    margin-bottom: 10px;
    color: var(--kor-navy);
    font-size: 21px;
    font-weight: 900;
}

.kor-path-summary {
    margin: 0 0 16px;
    color: var(--kor-muted);
    font-size: 15px;
    line-height: 1.65;
    word-break: keep-all;
}

.kor-path-count {
    display: inline-flex;
    min-height: 28px;
    align-items: center;
    padding: 0 12px;
    border-radius: 999px;
    background: var(--kor-sky-soft);
    color: var(--kor-deep);
    font-size: 13px;
    font-weight: 800;
}

.kor-brand-strip {
    padding: 36px 0;
    background: var(--kor-navy);
}

.kor-brand-strip-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.kor-strip-logo {
    display: block;
    width: min(360px, 48vw);
    height: auto;
}

.kor-color-dots {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: flex-end;
}

.kor-color-dots span {
    display: grid;
    justify-items: center;
    gap: 8px;
    color: #fff;
    font-size: 12px;
}

.kor-color-dots span::before {
    content: "";
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 50%;
    background: var(--dot);
}

.kor-open-board {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.kor-open-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.kor-open-links a {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 0 18px;
    border: 1px solid var(--kor-line);
    border-radius: 8px;
    background: #fff;
    color: var(--kor-navy);
    font-weight: 800;
    text-decoration: none;
}

.kor-open-links a:hover {
    border-color: var(--kor-blue);
    color: var(--kor-blue);
}

.kor-breadcrumb {
    padding: 14px 0;
    border-bottom: 1px solid var(--kor-line);
    background: #fff;
    color: var(--kor-muted);
    font-size: 14px;
}

.kor-breadcrumb a,
.kor-board-crumb a {
    color: var(--kor-muted);
    text-decoration: none;
}

.kor-breadcrumb a:hover,
.kor-board-crumb a:hover {
    color: var(--kor-blue);
}

.kor-breadcrumb span,
.kor-board-crumb span {
    margin: 0 7px;
}

.kor-breadcrumb strong,
.kor-board-crumb strong {
    color: var(--kor-ink);
}

.kor-page-head {
    padding: 48px 0;
    background: linear-gradient(180deg, #fff 0%, #f1f7fc 100%);
}

.kor-page-head-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.kor-page-head h1 {
    margin: 0 0 10px;
    color: var(--kor-ink);
    font-size: 34px;
}

.kor-page-head p {
    max-width: 720px;
    margin: 0;
    color: var(--kor-muted);
    line-height: 1.7;
    word-break: keep-all;
}

.kor-page-mark {
    width: 150px;
    height: auto;
}

.kor-group {
    margin-bottom: 42px;
}

.kor-group:last-child {
    margin-bottom: 0;
}

.kor-group-title {
    margin: 0 0 16px;
    padding-left: 12px;
    border-left: 4px solid var(--kor-blue);
    color: var(--kor-ink);
    font-size: 20px;
}

.kor-topic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.kor-topic-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 58px;
    padding: 0 18px;
    border: 1px solid var(--kor-line);
    border-radius: 8px;
    background: #fff;
    color: var(--kor-ink);
    font-weight: 800;
    text-decoration: none;
}

.kor-topic-card::after {
    content: ">";
    color: var(--kor-sky);
    font-weight: 900;
}

.kor-topic-card:hover {
    border-color: var(--kor-blue);
    color: var(--kor-blue);
}

.kor-empty {
    padding: 54px 28px;
    border: 1px dashed var(--kor-line);
    border-radius: 8px;
    background: #fff;
    text-align: center;
}

.kor-empty h2 {
    margin: 0 0 10px;
    color: var(--kor-ink);
    font-size: 20px;
}

.kor-empty p {
    margin: 0 0 22px;
    color: var(--kor-muted);
}

.kor-board-head {
    position: relative;
    overflow: hidden;
    padding: 28px 0;
    border-bottom: 1px solid var(--kor-line);
    background:
        linear-gradient(90deg, rgba(241, 247, 252, 0.94) 0%, rgba(241, 247, 252, 0.66) 48%, rgba(241, 247, 252, 0.9) 100%),
        url("../img/korean-board-head-bg.jpg?v=20260725") center 48% / 860px auto repeat-x;
}

.kor-board-head::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.24));
    pointer-events: none;
}

.kor-board-head-inner {
    position: relative;
    z-index: 1;
    display: flex;
    min-height: 76px;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    gap: 12px;
    text-align: right;
}

.kor-board-head h1 {
    margin: 0;
    color: var(--kor-ink);
    font-size: 32px;
    line-height: 1.15;
}

.kor-board-crumb {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    color: var(--kor-muted);
    font-size: 14px;
}

.kor-board {
    padding: 34px 0 72px;
    background: #fff;
}

.kor-board-layout {
    display: flex;
    align-items: flex-start;
    gap: 24px;
}

.kor-board-side {
    flex: 0 0 210px;
    overflow: hidden;
    border: 1px solid var(--kor-line);
    border-radius: 8px;
    background: #fff;
}

.kor-board-side-title {
    margin: 0;
    padding: 18px 16px;
    background: var(--kor-navy);
    color: #fff;
    font-size: 18px;
    text-align: center;
}

.kor-side-block {
    border-top: 1px solid var(--kor-line);
    padding: 12px 0;
}

.kor-side-head {
    margin: 0 0 6px;
    padding: 0 16px;
    color: var(--kor-blue);
    font-size: 14px;
    font-weight: 900;
}

.kor-side-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.kor-side-list a {
    display: block;
    padding: 8px 16px;
    color: var(--kor-muted);
    font-size: 14px;
    text-decoration: none;
}

.kor-side-list a:hover,
.kor-side-list a.is-current {
    color: var(--kor-navy);
    background: var(--kor-sky-soft);
    font-weight: 800;
}

.kor-board-main {
    flex: 1 1 auto;
    min-width: 0;
}

.kor-board-tools {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.kor-tools-left,
.kor-tools-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.kor-total {
    color: var(--kor-muted);
    font-size: 14px;
}

.kor-total strong {
    color: var(--kor-blue);
}

.kor-select,
.kor-input {
    height: 36px;
    border: 1px solid var(--kor-line);
    border-radius: 6px;
    background: #fff;
    color: var(--kor-ink);
    font-size: 14px;
    padding: 0 10px;
}

.kor-input {
    min-width: 190px;
}

.kor-input + .kor-btn-search {
    margin-left: -8px;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.kor-input:has(+ .kor-btn-search) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.kor-btn-search,
.kor-btn-reset {
    min-height: 36px;
    padding: 0 16px;
    border-radius: 6px;
    font-size: 14px;
}

.kor-table-wrap {
    overflow-x: auto;
    border-top: 2px solid var(--kor-navy);
}

.kor-table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
    font-size: 14px;
}

.kor-table th,
.kor-table td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--kor-line);
    color: var(--kor-ink);
    text-align: center;
}

.kor-table th {
    background: #f8fbfe;
    color: var(--kor-muted);
    font-weight: 800;
    white-space: nowrap;
}

.kor-table tbody tr:hover {
    background: #fbfdff;
}

.kor-table .col-title {
    text-align: left;
}

.kor-table .col-no,
.kor-table .col-view {
    width: 64px;
    color: var(--kor-muted);
}

.kor-table .col-unit,
.kor-table .col-pub,
.kor-table .col-author {
    width: 96px;
    white-space: nowrap;
}

.kor-table .col-file {
    width: 86px;
    white-space: nowrap;
}

.kor-table td.col-file {
    display: table-cell;
}

.kor-file-check {
    width: 12px;
    height: 12px;
    margin: 0 5px 0 0;
    vertical-align: middle;
    accent-color: var(--kor-blue);
}

.kor-table-simple {
    min-width: 720px;
}

.kor-table-simple .col-title {
    width: auto;
    padding-left: 18px;
}

.kor-table-simple .col-author {
    width: 120px;
}

.kor-table-simple .col-file {
    width: 86px;
}

.kor-table-empty {
    padding: 58px 10px !important;
    color: var(--kor-muted);
}

.kor-selected-actions {
    display: flex;
    justify-content: flex-end;
    gap: 14px;
    margin: 24px 4px 0;
}

.kor-selected-btn {
    min-width: 152px;
    min-height: 44px;
    border: 0;
    border-radius: 4px;
    background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 12px 26px rgba(109, 40, 217, 0.18);
}

.kor-selected-btn:hover {
    filter: brightness(1.04);
}

.kor-file {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 34px;
    border-radius: 6px;
    color: #fff;
    font-size: 10px;
    font-weight: 950;
    line-height: 1;
    letter-spacing: 0;
    text-decoration: none;
    box-shadow: 0 5px 12px rgba(15, 23, 42, 0.14), inset 0 -8px 0 rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.kor-file::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.82);
    clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.kor-file:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.18), inset 0 -8px 0 rgba(0, 0, 0, 0.08);
}

.kor-file-pdf {
    background: linear-gradient(160deg, #ff5a5f 0%, #e11d48 100%);
}

.kor-file-hwp {
    background: linear-gradient(160deg, #60a5fa 0%, #2563eb 100%);
}

.kor-pager {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    margin-top: 26px;
}

.kor-pager a,
.kor-pager strong {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border: 1px solid var(--kor-line);
    border-radius: 6px;
    color: var(--kor-muted);
    font-size: 14px;
    text-decoration: none;
}

.kor-pager strong {
    border-color: var(--kor-navy);
    background: var(--kor-navy);
    color: #fff;
}

.kor-pager a:hover {
    border-color: var(--kor-blue);
    color: var(--kor-blue);
}

@media (max-width: 1080px) {
    .kor-hero-inner {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .kor-hero-visual {
        justify-content: flex-start;
    }

    .kor-hero-visual-card {
        width: min(100%, 340px);
    }

    .kor-recommend-grid,
    .kor-feature-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .kor-feature:nth-child(2) {
        border-right: 0;
    }

    .kor-feature:nth-child(n + 3) {
        border-top: 1px solid var(--kor-line);
    }
}

@media (max-width: 860px) {
    .kor-site .header-inner {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .kor-logo {
        flex-basis: 150px;
        width: 150px;
        min-width: 150px;
    }

    .kor-header-mark {
        flex-basis: 30px;
        width: 30px;
        height: 23px;
    }

    .kor-header-text span:first-child {
        font-size: 22px;
    }

    .kor-header-text span:last-child {
        font-size: 21px;
    }

    .kor-hero {
        padding: 52px 0 38px;
    }

    .kor-hero-visual-card {
        width: min(100%, 300px);
    }

    .kor-hero-visual-card p {
        font-size: 16px;
    }

    .kor-hero h1,
    .kor-search-section h2,
    .kor-page-head h1 {
        font-size: 27px;
    }

    .kor-brand-strip-inner,
    .kor-open-board,
    .kor-page-head-inner,
    .kor-board-layout {
        flex-direction: column;
        align-items: flex-start;
    }

    .kor-board-side {
        flex: 1 1 auto;
        width: 100%;
    }

    .kor-page-mark {
        width: 120px;
    }

    .kor-board-head {
        padding: 24px 0;
        background-position: center center;
        background-size: 720px auto;
    }

    .kor-board-head-inner {
        min-height: 68px;
    }

    .kor-board-head h1 {
        font-size: 28px;
    }

    .kor-board-crumb {
        max-width: 100%;
        font-size: 13px;
    }
}

@media (max-width: 620px) {
    .kor-search-box {
        grid-template-columns: 1fr 50px;
    }

    .kor-search-box input {
        height: 50px;
        padding: 0 14px;
    }

    .kor-topic-chips a {
        flex: 1 1 calc(50% - 10px);
        justify-content: center;
        padding: 0 12px;
    }

    .kor-recommend-grid,
    .kor-feature-row,
    .kor-path-grid {
        grid-template-columns: 1fr;
    }

    .kor-feature,
    .kor-feature:nth-child(2) {
        border-right: 0;
        border-top: 1px solid var(--kor-line);
    }

    .kor-feature:first-child {
        border-top: 0;
    }

    .kor-strip-logo {
        width: 100%;
        max-width: 330px;
    }

    .kor-color-dots {
        justify-content: flex-start;
    }
}