/* =====================================================================
   สมาคมนิสิตเก่า มก. — สไตล์หลัก (โทนเขียวเกษตร–ทองนนทรี) บน Bootstrap 5
   ===================================================================== */
:root {
    --ku-green-950: #04261C; --ku-green-900: #06382A; --ku-green-800: #0A4F2E; --ku-green-700: #0B6B3A;
    --ku-green-600: #14975A; --ku-green-200: #BFE5CF; --ku-green-100: #E3F3E9; --ku-green-50: #F1F8F3;
    --ku-gold: #C9A227; --ku-gold-dark: #A8861A; --ku-gold-100: #FBF2D2;
    --ku-ink: #1A2420; --ku-ink-2: #3D4A44; --ku-muted: #6B7772; --ku-line: #E2E8E4; --ku-mist: #F3F6F4;
    --ku-font-head: 'Prompt', 'Sarabun', system-ui, sans-serif;
    --ku-font-text: 'Sarabun', 'Prompt', system-ui, sans-serif;
    --bs-primary: #0B6B3A; --bs-link-color: #0B6B3A; --bs-link-hover-color: #0A4F2E;
}
body { font-family: var(--ku-font-text); color: var(--ku-ink); background: #fff; font-size: 17px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5, .h1, .h2, .h3, .h4, .h5 { font-family: var(--ku-font-head); font-weight: 600; color: var(--ku-green-900); letter-spacing: -.01em; }
a { color: var(--ku-green-700); text-decoration: none; }
a:hover { color: var(--ku-green-800); }
img { max-width: 100%; height: auto; }
.form-control:focus, .form-select:focus { border-color: var(--ku-green-600); box-shadow: 0 0 0 .2rem rgba(20,151,90,.15); }

/* ---------- ปุ่ม ---------- */
.btn { font-family: var(--ku-font-head); font-weight: 500; border-radius: 999px; padding: .5rem 1.2rem; }
.btn-sm { padding: .3rem .9rem; font-size: .85rem; }
.btn-ku { background: var(--ku-green-700); border-color: var(--ku-green-700); color: #fff; }
.btn-ku:hover, .btn-ku:focus { background: var(--ku-green-800); border-color: var(--ku-green-800); color: #fff; }
.btn-outline-ku { border-color: var(--ku-green-700); color: var(--ku-green-700); }
.btn-outline-ku:hover, .btn-outline-ku.active { background: var(--ku-green-700); border-color: var(--ku-green-700); color: #fff; }
.btn-gold { background: var(--ku-gold); border-color: var(--ku-gold); color: var(--ku-green-950); }
.btn-gold:hover { background: #d9b23a; border-color: #d9b23a; color: var(--ku-green-950); }
.btn-light-ku { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.35); color: #fff; }
.btn-light-ku:hover { background: rgba(255,255,255,.26); color: #fff; }

/* ---------- แถบบนสุด + เมนู ---------- */
.ku-topbar { background: var(--ku-green-900); color: #cfe7d8; font-size: .82rem; padding: .35rem 0; }
.ku-topbar a { color: #dff0e6; }
.ku-topbar a:hover { color: #fff; }
.ku-nav { background: rgba(255,255,255,.97); backdrop-filter: blur(8px); box-shadow: 0 2px 15px rgba(6,56,42,.08); padding: .45rem 0; }
.ku-brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; min-width: 0; }
.ku-brand img { height: 48px; width: 48px; object-fit: contain; flex: none; }
.ku-brand__text { line-height: 1.2; }
.ku-brand__name { display: block; font-family: var(--ku-font-head); font-weight: 600; font-size: 1rem; color: var(--ku-green-900); white-space: nowrap; }
.ku-brand__sub { display: block; font-size: .72rem; color: var(--ku-muted); }
.ku-brand--light .ku-brand__name { color: #fff; }
.ku-brand--light .ku-brand__sub { color: #9fbfae; }
@media (max-width: 480px) { .ku-brand__name { font-size: .85rem; white-space: normal; } .ku-brand img { height: 40px; width: 40px; } }
@media (min-width: 992px) and (max-width: 1299.98px) { .ku-brand__sub { display: none !important; } .ku-brand__name { font-size: .92rem; } }
.ku-nav .nav-link { color: var(--ku-ink-2); font-family: var(--ku-font-head); font-weight: 500; padding: .5rem .75rem !important; border-radius: 8px; white-space: nowrap; }
.ku-nav .nav-link:hover, .ku-nav .nav-link.active { color: var(--ku-green-700); background: var(--ku-green-50); }
.ku-nav .dropdown-menu { border: 1px solid var(--ku-line); border-radius: 12px; box-shadow: 0 16px 40px rgba(6,56,42,.14); padding: .4rem; min-width: 15rem; }
.ku-nav .dropdown-item { border-radius: 6px; padding: .45rem .8rem; font-size: .95rem; }
.ku-nav .dropdown-item:hover { background: var(--ku-green-50); color: var(--ku-green-800); }
@media (min-width: 992px) { .ku-nav .dropdown:hover > .dropdown-menu { display: block; margin-top: 0; } }
.ku-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: .5rem; vertical-align: middle; }

/* ---------- Hero ---------- */
.ku-hero { position: relative; color: #fff; overflow: hidden;
    background: radial-gradient(1000px 500px at 85% -10%, rgba(201,162,39,.35), transparent 60%), linear-gradient(135deg, var(--ku-green-900) 0%, var(--ku-green-700) 60%, var(--ku-green-600) 100%); }
.ku-hero::before { content: ""; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%2296%22 height=%2296%22 viewBox=%220 0 96 96%22%3E%3Cpath d=%22M48.0 48.0 C55.2 45.5 59.9 48.6 58.5 51.4 C58.0 54.5 52.3 54.3 48.0 48.0 Z%22 fill=%22%23fff%22 fill-opacity=%22.045%22/%3E%3Cpath d=%22M48.0 48.0 C52.6 54.0 51.1 59.5 48.0 59.0 C44.9 59.5 43.4 54.0 48.0 48.0 Z%22 fill=%22%23fff%22 fill-opacity=%22.045%22/%3E%3Cpath d=%22M48.0 48.0 C43.7 54.3 38.0 54.5 37.5 51.4 C36.1 48.6 40.8 45.5 48.0 48.0 Z%22 fill=%22%23fff%22 fill-opacity=%22.045%22/%3E%3Cpath d=%22M48.0 48.0 C40.7 45.8 38.7 40.5 41.5 39.1 C43.7 36.8 48.2 40.4 48.0 48.0 Z%22 fill=%22%23fff%22 fill-opacity=%22.045%22/%3E%3Cpath d=%22M48.0 48.0 C47.8 40.4 52.3 36.8 54.5 39.1 C57.3 40.5 55.3 45.8 48.0 48.0 Z%22 fill=%22%23fff%22 fill-opacity=%22.045%22/%3E%3Ccircle cx=%2248%22 cy=%2248%22 r=%222.2%22 fill=%22%23fff%22 fill-opacity=%22.09%22/%3E%3Cpath d=%22M8.0 8.0 C11.3 5.5 14.3 6.3 14.0 8.0 C14.3 9.7 11.3 10.5 8.0 8.0 Z%22 fill=%22%23fff%22 fill-opacity=%22.03%22/%3E%3Cpath d=%22M8.0 8.0 C11.4 10.4 11.5 13.5 9.9 13.7 C8.3 14.5 6.6 11.9 8.0 8.0 Z%22 fill=%22%23fff%22 fill-opacity=%22.03%22/%3E%3Cpath d=%22M8.0 8.0 C6.8 12.0 3.9 13.1 3.1 11.5 C1.9 10.3 3.8 7.9 8.0 8.0 Z%22 fill=%22%23fff%22 fill-opacity=%22.03%22/%3E%3Cpath d=%22M8.0 8.0 C3.8 8.1 1.9 5.7 3.1 4.5 C3.9 2.9 6.8 4.0 8.0 8.0 Z%22 fill=%22%23fff%22 fill-opacity=%22.03%22/%3E%3Cpath d=%22M8.0 8.0 C6.6 4.1 8.3 1.5 9.9 2.3 C11.5 2.5 11.4 5.6 8.0 8.0 Z%22 fill=%22%23fff%22 fill-opacity=%22.03%22/%3E%3C/svg%3E") repeat; }
.ku-hero::after { content: ""; position: absolute; left: 44%; bottom: -70px; width: 380px; height: 380px; background: url("../img/nontri.svg") no-repeat center/contain; opacity: .22; pointer-events: none; transform: rotate(-10deg); z-index: 0; }
.ku-hero--bare::after { opacity: .28; }
@media (max-width: 991px) { .ku-hero::after { width: 240px; height: 240px; left: auto; right: -40px; bottom: -50px; opacity: .16; } }
.ku-h2 .ku-nontri { width: 1.1em; height: 1.1em; vertical-align: -0.15em; margin-right: .35rem; }
.ku-brand--wide img { height: 56px; width: auto; max-width: 260px; }
.ku-brand--wide .ku-brand__text { display: none; }
@media (max-width: 480px) { .ku-brand--wide img { height: 44px; max-width: 200px; } }
.ku-flower-divider { display: flex; align-items: center; gap: .75rem; justify-content: center; margin: 0 0 1.25rem; color: var(--ku-gold); }
.ku-flower-divider::before, .ku-flower-divider::after { content: ""; flex: 1; max-width: 120px; height: 1px; background: linear-gradient(90deg, transparent, var(--ku-gold)); }
.ku-flower-divider::after { background: linear-gradient(90deg, var(--ku-gold), transparent); }
.ku-flower-divider img { width: 28px; height: 28px; }
.ku-hero .container { position: relative; z-index: 1; padding-top: 3.5rem; padding-bottom: 3.5rem; }
.ku-hero__eyebrow { display: inline-flex; align-items: center; gap: .5em; font-family: var(--ku-font-head); font-size: .82rem; letter-spacing: .05em; color: var(--ku-gold-100); background: rgba(255,255,255,.1); padding: .35em .9em; border-radius: 999px; margin-bottom: 1rem; }
.ku-hero h1 { color: #fff; font-size: clamp(1.9rem, 4vw, 2.9rem); margin-bottom: .8rem; }
.ku-hero h1 em { font-style: normal; color: var(--ku-gold); }
.ku-hero p { font-size: 1.08rem; color: rgba(255,255,255,.86); max-width: 54ch; }
.ku-hero__stats { display: flex; gap: 2rem; margin-top: 1.8rem; flex-wrap: wrap; }
.ku-hero__stats b { display: block; font-family: var(--ku-font-head); font-size: 1.6rem; color: var(--ku-gold); line-height: 1; }
.ku-hero__stats span { font-size: .85rem; color: rgba(255,255,255,.75); }
.ku-hero__feature { position: relative; border-radius: 20px; overflow: hidden; box-shadow: 0 24px 60px -20px rgba(0,0,0,.5); aspect-ratio: 4/3; background: var(--ku-green-800); display: block; }
.ku-hero__feature img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 18%; transition: transform .6s; }
.ku-hero__feature:hover img { transform: scale(1.04); }
.ku-hero__feature .cap { position: absolute; inset: auto 0 0 0; padding: 60px 22px 22px; background: linear-gradient(transparent, rgba(4,38,28,.92)); color: #fff; }
.ku-hero__feature .cap h3 { color: #fff; font-size: 1.25rem; margin: .3rem 0 0; }
.ku-hero__feature .cap span { color: rgba(255,255,255,.8); font-size: .85rem; }
.ku-hero__feature .ku-chip { position: absolute; top: 16px; left: 16px; }
.ku-hero .carousel-item { border-radius: 20px; overflow: hidden; }
.ku-hero .carousel-item img { aspect-ratio: 16/10; object-fit: contain; width: 100%; background: rgba(0,0,0,.28); }
@media (max-width: 991px) { .ku-hero .container { padding-top: 2.5rem; padding-bottom: 2.5rem; } .ku-hero__feature { aspect-ratio: 16/9; } }

/* ---------- ส่วนทั่วไป ---------- */
.ku-section { padding: clamp(2.5rem, 5vw, 3.75rem) 0; }
.ku-section--alt { background: var(--ku-mist); }
.ku-section--green { background: var(--ku-green-900); color: #fff; }
.ku-section--green h2, .ku-section--green h3 { color: #fff; }
.ku-h2 { font-size: clamp(1.4rem, 2.6vw, 1.85rem); margin: 0; display: flex; align-items: center; gap: .5em; }
.ku-h2::before { content: ""; width: 6px; height: 1.1em; background: var(--ku-gold); border-radius: 3px; flex: none; }
.ku-section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 1.6rem; flex-wrap: wrap; }
.ku-section-head p { margin: .25rem 0 0; color: var(--ku-muted); }
.ku-section--green .ku-section-head p { color: rgba(255,255,255,.7); }
.ku-more { font-family: var(--ku-font-head); font-weight: 500; white-space: nowrap; }
.ku-more i { transition: .18s; }
.ku-more:hover i { transform: translateX(3px); }
.ku-chip { display: inline-flex; align-items: center; gap: .35em; padding: .22em .7em; border-radius: 999px; font-family: var(--ku-font-head); font-size: .74rem; font-weight: 500; line-height: 1.5; background: var(--ku-green-100); color: var(--ku-green-800); }
.ku-chip--solid { color: #fff; }
.ku-chip--gold { background: var(--ku-gold-100); color: var(--ku-gold-dark); }
.ku-meta { display: flex; flex-wrap: wrap; gap: .25rem .9rem; font-size: .84rem; color: var(--ku-muted); align-items: center; }
.ku-muted { color: var(--ku-muted); }
.ku-ph { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; color: rgba(11,107,58,.35); background: repeating-linear-gradient(135deg, rgba(11,107,58,.05) 0 10px, rgba(11,107,58,0) 10px 20px), var(--ku-green-50); }

/* การ์ด */
.ku-card { background: #fff; border: 1px solid var(--ku-line); border-radius: 14px; overflow: hidden; transition: .22s; height: 100%; }
.ku-card:hover, a.ku-card:hover { transform: translateY(-3px); box-shadow: 0 20px 50px -20px rgba(6,56,42,.35); border-color: var(--ku-green-200); }
a.ku-card { display: block; color: inherit; }
.ku-news-card { display: flex; flex-direction: column; position: relative; }
.ku-news-card__img { display: block; aspect-ratio: 16/10; overflow: hidden; background: var(--ku-green-100); position: relative; }
.ku-news-card__img img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 18%; transition: transform .5s; }
.ku-news-card:hover .ku-news-card__img img { transform: scale(1.05); }
.ku-news-card__img .ku-chip { position: absolute; top: 12px; left: 12px; }
.ku-news-card__body { padding: 1rem 1.1rem 1.1rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.ku-news-card__title { font-size: 1.05rem; margin: 0; line-height: 1.35; }
.ku-news-card__title a { color: var(--ku-green-900); }
.ku-news-card__title a::after { content: ""; position: absolute; inset: 0; }
.ku-news-card__title a:hover { color: var(--ku-green-700); }
.ku-news-card__text { margin: 0; color: var(--ku-muted); font-size: .92rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ku-news-card .ku-meta { margin-top: auto; padding-top: .4rem; }
.ku-news-card--lg .ku-news-card__img { aspect-ratio: 16/9; }
.ku-news-card--lg .ku-news-card__title { font-size: 1.3rem; }
.ku-news-card--lg .ku-news-card__text { -webkit-line-clamp: 3; }

/* รายการข่าวแนวนอน */
.ku-list-item { display: flex; gap: 1rem; padding: .85rem 0; border-bottom: 1px solid var(--ku-line); position: relative; }
.ku-list-item:last-child { border-bottom: 0; }
.ku-list-item__thumb { width: 110px; aspect-ratio: 4/3; flex: none; border-radius: 10px; overflow: hidden; background: var(--ku-green-100); }
.ku-list-item__thumb img { width: 100%; height: 100%; object-fit: cover; }
.ku-list-item h3 { font-size: 1rem; margin: .2rem 0; }
.ku-list-item h3 a { color: var(--ku-green-900); }
.ku-list-item h3 a::after { content: ""; position: absolute; inset: 0; }
.ku-list-item h3 a:hover { color: var(--ku-green-700); }

/* ประกาศ */
.ku-notice { background: #fff; border: 1px solid var(--ku-line); border-radius: 14px; overflow: hidden; }
.ku-notice__head { background: var(--ku-green-700); color: #fff; padding: .75rem 1.1rem; display: flex; align-items: center; justify-content: space-between; }
.ku-notice__head h3 { color: #fff; margin: 0; font-size: 1.05rem; }
.ku-notice__head a { color: var(--ku-gold-100); font-size: .85rem; }
.ku-notice ul { list-style: none; margin: 0; padding: .3rem 1.1rem; }
.ku-notice li { padding: .75rem 0; border-bottom: 1px dashed var(--ku-line); display: grid; grid-template-columns: 52px 1fr; gap: .75rem; align-items: start; }
.ku-notice li:last-child { border-bottom: 0; }
.ku-notice__date { text-align: center; background: var(--ku-green-50); border-radius: 8px; padding: .35rem .2rem; line-height: 1.1; }
.ku-notice__date b { display: block; font-family: var(--ku-font-head); font-size: 1.25rem; color: var(--ku-green-700); }
.ku-notice__date span { font-size: .7rem; color: var(--ku-muted); }
.ku-notice li a { color: var(--ku-ink); font-weight: 500; font-size: .95rem; display: block; line-height: 1.45; }
.ku-notice li a:hover { color: var(--ku-green-700); }
.ku-notice li small { color: var(--ku-muted); font-size: .8rem; }

/* บล็อกหมวดข่าว */
.ku-catblock { background: #fff; border: 1px solid var(--ku-line); border-radius: 14px; overflow: hidden; height: 100%; }
.ku-catblock__head { padding: .7rem 1.1rem; display: flex; justify-content: space-between; align-items: center; border-bottom: 3px solid var(--c, var(--ku-green-700)); }
.ku-catblock__head h3 { margin: 0; font-size: 1.05rem; color: var(--c, var(--ku-green-700)); }
.ku-catblock__head a { font-size: .85rem; }
.ku-catblock ul { list-style: none; margin: 0; padding: .3rem 1.1rem; }
.ku-catblock li { padding: .6rem 0; border-bottom: 1px dashed var(--ku-line); }
.ku-catblock li:last-child { border-bottom: 0; }
.ku-catblock li a { color: var(--ku-ink); font-weight: 500; font-size: .95rem; display: block; line-height: 1.45; }
.ku-catblock li a:hover { color: var(--ku-green-700); }
.ku-catblock li small { color: var(--ku-muted); font-size: .8rem; }

/* ปฏิทิน */
.ku-event { display: flex; gap: .9rem; padding: .75rem 0; border-bottom: 1px dashed var(--ku-line); }
.ku-event:last-child { border-bottom: 0; }
.ku-event__date { flex: none; width: 56px; text-align: center; background: var(--ku-green-700); color: #fff; border-radius: 10px; padding: .4rem .2rem; line-height: 1.1; }
.ku-event__date b { display: block; font-family: var(--ku-font-head); font-size: 1.35rem; }
.ku-event__date span { font-size: .72rem; opacity: .85; }
.ku-event__title { font-weight: 500; display: block; color: var(--ku-ink); }
.ku-event__meta { font-size: .82rem; color: var(--ku-muted); }
.ku-cal-month { font-family: var(--ku-font-head); font-weight: 600; color: var(--ku-green-800); margin: 1.5rem 0 .5rem; padding-bottom: .4rem; border-bottom: 2px solid var(--ku-gold); }

/* คลังภาพ */
.ku-album-card { position: relative; display: block; border-radius: 14px; overflow: hidden; aspect-ratio: 4/3; background: var(--ku-green-800); box-shadow: 0 8px 24px -12px rgba(6,56,42,.3); }
.ku-album-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.ku-album-card:hover img { transform: scale(1.06); }
.ku-album-card__cap { position: absolute; inset: auto 0 0 0; padding: 48px 16px 16px; background: linear-gradient(transparent, rgba(4,38,28,.9)); color: #fff; }
.ku-album-card__cap b { display: block; font-family: var(--ku-font-head); font-weight: 500; font-size: 1rem; line-height: 1.3; }
.ku-album-card__cap small { font-size: .8rem; color: rgba(255,255,255,.8); }
.ku-album-card__count { position: absolute; top: 12px; right: 12px; background: rgba(4,38,28,.7); color: #fff; font-size: .78rem; padding: .25em .7em; border-radius: 999px; backdrop-filter: blur(4px); }
.ku-photo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.ku-photo-grid a { display: block; aspect-ratio: 4/3; border-radius: 10px; overflow: hidden; background: var(--ku-green-100); }
.ku-photo-grid img, .ku-album-card img, .ku-video-card img { object-position: 50% 18%; }
.ku-photo-grid img { width: 100%; height: 100%; object-fit: cover; transition: .3s; }
.ku-photo-grid a:hover img { transform: scale(1.05); }
@media (max-width: 900px) { .ku-photo-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .ku-photo-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; } }

/* วิดีโอ */
.ku-video-card .ratio { background: #000; }
.ku-video-card__play { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 3rem; opacity: .9; text-shadow: 0 4px 20px rgba(0,0,0,.5); }

/* เอกสาร */
.ku-doc-types { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
@media (max-width: 1000px) { .ku-doc-types { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .ku-doc-types { grid-template-columns: repeat(2, 1fr); } }
.ku-doc-type { display: flex; flex-direction: column; align-items: center; text-align: center; gap: .5rem; padding: 1.2rem .75rem; background: #fff; border: 1px solid var(--ku-line); border-radius: 14px; color: var(--ku-ink); transition: .2s; }
.ku-doc-type:hover { border-color: var(--ku-green-600); transform: translateY(-3px); box-shadow: 0 10px 28px rgba(6,56,42,.1); color: var(--ku-green-800); }
.ku-doc-type.active { border-color: var(--ku-green-700); background: var(--ku-green-50); }
.ku-doc-type__ico { width: 52px; height: 52px; border-radius: 14px; background: var(--ku-green-100); color: var(--ku-green-700); display: inline-flex; align-items: center; justify-content: center; font-size: 1.4rem; }
.ku-doc-type b { font-family: var(--ku-font-head); font-weight: 500; font-size: .92rem; line-height: 1.3; }
.ku-doc-type small { color: var(--ku-muted); font-size: .78rem; }
.ku-doc-list { list-style: none; margin: 0; padding: 0; background: #fff; border: 1px solid var(--ku-line); border-radius: 14px; overflow: hidden; }
.ku-doc-list li { display: flex; align-items: center; gap: .9rem; padding: .9rem 1.1rem; border-bottom: 1px solid var(--ku-line); }
.ku-doc-list li:last-child { border-bottom: 0; }
.ku-doc-list li:hover { background: var(--ku-green-50); }
.ku-doc-list__ico { width: 44px; height: 44px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; flex: none; background: var(--ku-mist); font-size: 1.4rem; }
.ku-doc-list__info { flex: 1; min-width: 0; }
.ku-doc-list__info a { color: var(--ku-ink); font-weight: 500; display: block; }
.ku-doc-list__info a:hover { color: var(--ku-green-700); }
.ku-doc-list__info small { color: var(--ku-muted); font-size: .8rem; }
@media (max-width: 560px) { .ku-doc-list li { flex-wrap: wrap; } .ku-doc-list li .btn { margin-left: 58px; } }

/* ชมรม / บุคลากร */
.ku-club { display: flex; gap: .9rem; align-items: flex-start; padding: 1.1rem; background: #fff; border: 1px solid var(--ku-line); border-radius: 14px; transition: .2s; color: var(--ku-ink); height: 100%; }
.ku-club:hover { border-color: var(--ku-green-600); box-shadow: 0 10px 28px rgba(6,56,42,.1); transform: translateY(-2px); }
.ku-club__ico { width: 48px; height: 48px; border-radius: 12px; flex: none; background: linear-gradient(135deg, var(--ku-green-700), var(--ku-green-600)); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 1.25rem; overflow: hidden; }
.ku-club__ico img { width: 100%; height: 100%; object-fit: cover; }
.ku-club b { font-family: var(--ku-font-head); font-weight: 500; display: block; line-height: 1.3; }
.ku-club small { color: var(--ku-muted); font-size: .84rem; display: block; margin-top: .2rem; }
.ku-club-chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.ku-club-chips a { display: inline-flex; align-items: center; gap: .4em; padding: .45em .95em; border-radius: 999px; background: rgba(255,255,255,.1); color: #fff; font-size: .9rem; border: 1px solid rgba(255,255,255,.18); }
.ku-club-chips a:hover { background: var(--ku-gold); color: var(--ku-green-950); border-color: var(--ku-gold); }
.ku-person { text-align: center; }
.ku-person__photo { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; margin: 0 auto .6rem; background: var(--ku-green-100); border: 4px solid #fff; box-shadow: 0 6px 20px rgba(6,56,42,.15); display: flex; align-items: center; justify-content: center; color: var(--ku-green-200); font-size: 2.5rem; overflow: hidden; }
.ku-person__photo img { width: 100%; height: 100%; object-fit: cover; }
.ku-person b { display: block; font-family: var(--ku-font-head); font-weight: 500; }
.ku-person small { color: var(--ku-muted); display: block; }
.ku-timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.ku-timeline::before { content: ""; position: absolute; left: 19px; top: 8px; bottom: 8px; width: 2px; background: var(--ku-green-200); }
.ku-timeline li { display: flex; gap: 1.2rem; padding: .5rem 0 1.2rem; position: relative; align-items: flex-start; }
.ku-timeline__pt { width: 40px; height: 40px; border-radius: 50%; flex: none; background: var(--ku-green-700); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-family: var(--ku-font-head); font-weight: 600; font-size: .85rem; border: 4px solid #fff; box-shadow: 0 0 0 2px var(--ku-green-200); z-index: 1; }
.ku-timeline__photo { width: 72px; height: 72px; border-radius: 12px; object-fit: cover; flex: none; background: var(--ku-green-100); }
.ku-timeline b { font-family: var(--ku-font-head); font-weight: 500; font-size: 1.05rem; display: block; }
.ku-timeline small { color: var(--ku-muted); }

/* CTA */
.ku-cta { background: linear-gradient(120deg, var(--ku-green-700), var(--ku-green-600)); color: #fff; border-radius: 22px; padding: 2.5rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; position: relative; overflow: hidden; }
.ku-cta::after { content: ""; position: absolute; right: -60px; top: -60px; width: 260px; height: 260px; border-radius: 50%; background: rgba(201,162,39,.25); }
.ku-cta h2 { color: #fff; margin: 0 0 .3rem; }
.ku-cta p { margin: 0; color: rgba(255,255,255,.85); }
.ku-cta__actions { display: flex; gap: .6rem; flex-wrap: wrap; position: relative; }
@media (max-width: 760px) { .ku-cta { flex-direction: column; align-items: flex-start; padding: 1.75rem; } }

/* ---------- หัวหน้าเพจ ---------- */
.ku-pagehead { background: radial-gradient(120% 140% at 100% 0%, rgba(201,162,39,.18) 0%, rgba(201,162,39,0) 45%), linear-gradient(120deg, var(--ku-green-900), var(--ku-green-700)); color: #fff; padding: clamp(2rem, 5vw, 2.75rem) 0; border-bottom: 4px solid var(--ku-gold); }
.ku-pagehead__title { color: #fff; font-size: clamp(1.6rem, 3.2vw, 2.4rem); margin: .25rem 0 .3rem; }
.ku-pagehead__sub { margin: 0; opacity: .85; max-width: 70ch; }
.ku-crumb { margin: 0; font-size: .84rem; }
.ku-crumb a { color: rgba(255,255,255,.75); }
.ku-crumb a:hover { color: #fff; }
.ku-crumb .breadcrumb-item.active { color: #fff; }
.ku-crumb .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,.5); }

/* ตัวกรอง */
.ku-chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.ku-chips a { display: inline-flex; align-items: center; gap: .4em; padding: .4em .95em; border-radius: 999px; background: #fff; border: 1.5px solid var(--ku-line); color: var(--ku-ink-2); font-size: .88rem; font-family: var(--ku-font-head); font-weight: 500; }
.ku-chips a:hover { border-color: var(--ku-green-600); color: var(--ku-green-700); }
.ku-chips a.active { background: var(--ku-green-700); border-color: var(--ku-green-700); color: #fff; }
.ku-chips .n { font-size: .75rem; opacity: .7; }
.ku-toolbar { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; margin-bottom: 1.5rem; }
.ku-toolbar .form-control, .ku-toolbar .form-select { border-radius: 999px; }

/* แถบข้าง */
.ku-side-box { background: #fff; border: 1px solid var(--ku-line); border-radius: 14px; padding: 1.1rem 1.25rem; }
.ku-side-box > h3 { font-size: 1rem; margin: 0 0 .75rem; padding-bottom: .6rem; border-bottom: 2px solid var(--ku-gold); display: inline-block; }
.ku-side-box ul { list-style: none; margin: 0; padding: 0; }
.ku-side-box li + li { border-top: 1px dashed var(--ku-line); }
.ku-side-box li a { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: .55rem 0; color: var(--ku-ink-2); font-size: .93rem; }
.ku-side-box li a:hover, .ku-side-box li a.active { color: var(--ku-green-700); font-weight: 500; }
.ku-side-box .n { font-size: .75rem; color: var(--ku-muted); background: var(--ku-green-50); padding: .1em .6em; border-radius: 999px; }
.ku-side-menu { background: #fff; border: 1px solid var(--ku-line); border-radius: 14px; overflow: hidden; }
.ku-side-menu a { display: block; padding: .75rem 1.1rem; border-left: 3px solid transparent; color: var(--ku-ink-2); border-bottom: 1px solid var(--ku-line); }
.ku-side-menu a:last-child { border-bottom: 0; }
.ku-side-menu a:hover { background: var(--ku-green-50); color: var(--ku-green-800); }
.ku-side-menu a.active { border-left-color: var(--ku-gold); background: var(--ku-green-50); color: var(--ku-green-800); font-weight: 500; }
@media (max-width: 991px) { .ku-side-menu { display: flex; overflow-x: auto; } .ku-side-menu a { border-bottom: 0; border-left: 0; border-bottom: 3px solid transparent; white-space: nowrap; } .ku-side-menu a.active { border-bottom-color: var(--ku-gold); } }

/* บทความ */
.ku-content { font-size: 1.06rem; line-height: 1.85; overflow-wrap: anywhere; }
.ku-content p { margin-bottom: 1.1em; }
.ku-content h2, .ku-content h3, .ku-content h4 { margin: 1.6em 0 .6em; }
.ku-content h3 { color: var(--ku-green-700); }
.ku-content img { max-width: 100%; height: auto; border-radius: 10px; }
.ku-content iframe { width: 100%; aspect-ratio: 16/9; height: auto; border: 0; border-radius: 10px; margin: .75rem 0; background: #000; }
.ku-content iframe[src$=".pdf"], .ku-content iframe[src*="drive.google.com"] { aspect-ratio: 3/4; max-height: 90vh; background: #fff; border: 1px solid var(--ku-line); }
.ku-content table { width: 100%; margin: 1rem 0; border-collapse: collapse; font-size: .95rem; }
.ku-content td, .ku-content th { border: 1px solid var(--ku-line); padding: .45rem .65rem; vertical-align: top; }
.ku-content th { background: var(--ku-green-50); }
.ku-content blockquote { margin: 1.4em 0; padding: 1rem 1.4rem; border-left: 4px solid var(--ku-gold); background: var(--ku-green-50); border-radius: 0 12px 12px 0; font-family: var(--ku-font-head); font-size: 1.12rem; color: var(--ku-green-900); }
.ku-content a { text-decoration: underline; text-underline-offset: 3px; }
.ku-article-cover { border-radius: 14px; overflow: hidden; margin: 1.3rem 0; box-shadow: 0 8px 24px -12px rgba(6,56,42,.3); }
.ku-article-cover img { width: 100%; }
.ku-share { display: flex; align-items: center; gap: .5rem; margin-top: 1.8rem; padding-top: 1.2rem; border-top: 1px solid var(--ku-line); flex-wrap: wrap; }
.ku-share span { font-size: .9rem; color: var(--ku-muted); margin-right: .3rem; }

/* ติดต่อ */
.ku-contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; }
.ku-contact-list li { display: flex; gap: .9rem; align-items: flex-start; }
.ku-contact-list__ico { width: 44px; height: 44px; border-radius: 12px; background: var(--ku-green-100); color: var(--ku-green-700); display: inline-flex; align-items: center; justify-content: center; flex: none; font-size: 1.15rem; }
.ku-contact-list b { font-family: var(--ku-font-head); font-weight: 500; display: block; font-size: .85rem; color: var(--ku-muted); }
.ku-map { border-radius: 14px; overflow: hidden; border: 1px solid var(--ku-line); min-height: 380px; background: var(--ku-green-50); }
.ku-map iframe { width: 100%; height: 100%; min-height: 380px; border: 0; }

.pagination .page-link { color: var(--ku-green-700); border-radius: 10px !important; margin: 0 2px; }
.pagination .active > .page-link { background: var(--ku-green-700); border-color: var(--ku-green-700); color: #fff; }
.ku-empty { text-align: center; padding: 3.5rem 1.25rem; color: var(--ku-muted); background: #fff; border: 1px dashed var(--ku-line); border-radius: 14px; }
.ku-empty i { font-size: 2.5rem; color: var(--ku-green-200); margin-bottom: .75rem; display: block; }
:focus-visible { outline: 2px solid var(--ku-gold); outline-offset: 2px; }

/* ---------- Footer ---------- */
.ku-partners { background: #fff; border-top: 1px solid var(--ku-line); padding: 2rem 0; margin-top: 3rem; }
.ku-partners__title { text-align: center; color: var(--ku-muted); font-weight: 600; font-size: .9rem; margin-bottom: 1.25rem; font-family: var(--ku-font-head); }
.ku-partner-logo { max-height: 64px; width: auto; object-fit: contain; transition: transform .3s; }
.ku-partner-logo:hover { transform: scale(1.06); }
.ku-footer { background: var(--ku-green-950); color: #b9d3c5; padding: 3rem 0 1.25rem; font-size: .93rem; margin-top: 3rem; }
.ku-partners + .ku-footer { margin-top: 0; }
.ku-footer h5 { color: #fff; font-size: 1rem; font-weight: 500; margin-bottom: 1rem; }
.ku-footer h5::after { content: ""; display: block; width: 32px; height: 2px; background: var(--ku-gold); margin-top: .5rem; }
.ku-footer a { color: #cfe3d8; }
.ku-footer a:hover { color: var(--ku-gold); }
.ku-footer li { margin-bottom: .4rem; }
.ku-footer .fa-fw { color: var(--ku-gold); }
.ku-footer__social a { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,.08); margin-right: .4rem; color: #fff; }
.ku-footer__social a:hover { background: var(--ku-gold); color: var(--ku-green-950); }
.ku-footer__bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 2rem; padding-top: 1.25rem; font-size: .84rem; color: #8fb3a1; }
.ku-footer__bottom a { color: #b9d3c5; }
@media print { .ku-topbar, .ku-nav, .ku-footer, .ku-partners, .ku-share { display: none !important; } }

/* ---------- ป๊อปอัพวันสำคัญ ---------- */
.ku-popup .modal-dialog { max-width: min(92vw, 860px); }
.ku-popup .modal-content { align-items: center; position: relative; }
.ku-popup__img { max-width: 100%; max-height: 82vh; width: auto; height: auto; border-radius: 14px; box-shadow: 0 20px 60px rgba(0,0,0,.45); display: block; background: #fff; }
.ku-popup__link { display: inline-block; line-height: 0; }
.ku-popup__close { position: absolute; top: -14px; right: -14px; z-index: 2; width: 40px; height: 40px; border-radius: 50%; border: 0; background: #fff; color: #222; font-size: 1.2rem; box-shadow: 0 4px 14px rgba(0,0,0,.35); display: flex; align-items: center; justify-content: center; }
.ku-popup__close:hover { background: var(--ku-gold); color: #fff; }
.ku-popup__nav { display: flex; gap: 8px; justify-content: center; margin-top: 12px; }
.ku-popup__dot { width: 12px; height: 12px; border-radius: 50%; border: 2px solid #fff; background: transparent; padding: 0; }
.ku-popup__dot.is-active { background: #fff; }
.modal-backdrop.show.ku-popup-backdrop { opacity: .7; }
@media (max-width: 575px) { .ku-popup__close { top: -8px; right: 0; width: 36px; height: 36px; } .ku-popup__img { max-height: 75vh; } }

/* แท็บหมวดข่าวหน้าแรก */
.ku-news-tabs { gap: .4rem; }
.ku-news-tabs a { font-size: .84rem; padding: .35em .85em; }
.ku-news-pane[hidden] { display: none !important; }
@media (max-width: 575.98px) { .ku-news-tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: .25rem; scrollbar-width: none; } .ku-news-tabs a { white-space: nowrap; } }

/* ทำเนียบนายกสมาคม — นายกคนปัจจุบัน */
.ku-president-hero { border-top: 4px solid var(--ku-gold); height: auto; }
.ku-president-hero:hover { transform: none; box-shadow: none; }
.ku-president-hero__photo { width: 100%; max-width: 240px; aspect-ratio: 3/4; object-fit: cover; object-position: 50% 15%; border-radius: 14px; box-shadow: 0 8px 24px rgba(11,107,58,.18); }
.ku-president-bio h3 { font-size: 1rem; font-family: var(--ku-font-head); color: var(--ku-green-700); margin: 1rem 0 .35rem; padding-left: .6rem; border-left: 3px solid var(--ku-gold); }
.ku-president-bio h3:first-child { margin-top: 0; }
.ku-president-bio ul { padding-left: 1.2rem; margin-bottom: .25rem; }
.ku-president-bio li { margin-bottom: .2rem; }
.ku-president-bio { line-height: 1.7; }