/* =====================================================================
   YAKUZA365 — ธีมญี่ปุ่น แดง-ทอง-ดำ
   ===================================================================== */
:root {
  --gold-1: #fff3c4;
  --gold-2: #ffd95e;
  --gold-3: #e0a92b;
  --gold-4: #a8730f;
  --crimson-1: #a81f24;
  --crimson-2: #6d1116;
  --crimson-3: #3a070b;
  --ink-1: #1a0508;
  --ink-2: #120406;
  --sakura: #ff9ec4;
  --line-gold: rgba(224, 169, 43, 0.32);
  --text: #efe0e2;
  --text-dim: #c9adb1;
  --text-mute: #a68b90;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Noto Sans Thai", "Kanit", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(ellipse at 82% -10%, rgba(168, 31, 36, 0.42), transparent 58%),
    radial-gradient(ellipse at 12% 108%, rgba(109, 17, 22, 0.38), transparent 60%),
    var(--ink-2);
  min-height: 100vh;
}

/* ===================== HEADER ===================== */
.ykz-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 10px 0;
  background: rgba(18, 4, 6, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-gold);
}
.ykz-header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: 1640px;
  margin: 0 auto;
  padding: 0 24px;
}
.ykz-logo {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.ykz-logo picture { display: block; }
.ykz-logo img {
  height: 62px;
  width: auto;
  display: block;
}

/* เมนูแนวเส้น (ต่างจากแคปซูลของ amg19) */
.ykz-menu {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 30px;
}
.ykz-menu a {
  position: relative;
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  line-height: 1;
  white-space: nowrap;
  padding: 8px 0;
  transition: color 0.15s ease;
}
.ykz-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-3), var(--gold-2));
  transition: right 0.22s ease;
}
.ykz-menu a:hover { color: var(--gold-2); }
.ykz-menu a:hover::after,
.ykz-menu a.active::after { right: 0; }
.ykz-menu a.active { color: var(--gold-2); }

.ykz-header-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-login,
.btn-register {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  padding: 11px 24px;
  border-radius: 8px;
  white-space: nowrap;
  transition: transform 0.15s ease, filter 0.15s ease, box-shadow 0.15s ease;
}
.btn-login:hover,
.btn-register:hover { transform: translateY(-2px); filter: brightness(1.07); }

.btn-login {
  color: var(--gold-2);
  border: 1.5px solid var(--gold-3);
  background: rgba(58, 7, 11, 0.6);
}
.btn-register {
  color: #3a0206;
  border: 1.5px solid var(--gold-1);
  background: linear-gradient(180deg, var(--gold-1) 0%, var(--gold-2) 48%, var(--gold-3) 100%);
  box-shadow: 0 4px 16px rgba(224, 169, 43, 0.32);
}

/* ===================== HERO ===================== */
.ykz-hero { padding: 20px 0 8px; }
.ykz-hero-inner {
  max-width: 1640px;
  margin: 0 auto;
  padding: 0 24px;
}
.ykz-carousel,
.ykz-hero-banner {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line-gold);
}
.ykz-hero-banner picture,
.ykz-hero-banner img {
  display: block;
  width: 100%;
  height: auto;
}
.ykz-carousel .carousel-item img,
.ykz-carousel .carousel-item picture {
  display: block;
  width: 100%;
  height: auto;
}
.ykz-carousel .carousel-indicators [data-bs-target] {
  width: 26px;
  height: 4px;
  border-radius: 2px;
  border: none;
  background-color: rgba(255, 255, 255, 0.38);
  opacity: 1;
  margin: 0 4px;
  transition: background-color 0.2s ease;
}
.ykz-carousel .carousel-indicators .active {
  background: linear-gradient(90deg, var(--gold-3), var(--gold-1));
}
.ykz-carousel .carousel-control-prev,
.ykz-carousel .carousel-control-next {
  width: 7%;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.ykz-carousel:hover .carousel-control-prev,
.ykz-carousel:hover .carousel-control-next { opacity: 1; }
.ykz-carousel .carousel-control-prev-icon,
.ykz-carousel .carousel-control-next-icon {
  background-color: rgba(58, 7, 11, 0.75);
  border: 1px solid var(--line-gold);
  border-radius: 8px;
  padding: 16px;
  background-size: 46%;
}

/* ===================== แถบสถิติใต้ hero (ไม่มีใน amg19) ===================== */
.ykz-strip {
  max-width: 1640px;
  margin: 14px auto 0;
  padding: 0 24px;
}
.ykz-strip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line-gold);
  background: var(--line-gold);
}
.ykz-strip-item {
  padding: 16px 14px;
  text-align: center;
  background: linear-gradient(180deg, rgba(109, 17, 22, 0.42), rgba(26, 5, 8, 0.85));
}
.ykz-strip-item b {
  display: block;
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--gold-2);
  line-height: 1.3;
}
.ykz-strip-item span {
  font-size: 0.82rem;
  color: var(--text-mute);
}

/* ===================== SECTIONS ===================== */
.ykz-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}
.ykz-section { padding: 46px 0; }
.ykz-section-alt {
  background:
    linear-gradient(180deg, rgba(109, 17, 22, 0.26), transparent 70%);
  border-block: 1px solid rgba(224, 169, 43, 0.14);
}

.ykz-h1 {
  font-size: clamp(1.65rem, 3.3vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.35;
  margin: 0 0 16px;
}
.ykz-h2 {
  position: relative;
  font-size: clamp(1.35rem, 2.5vw, 1.95rem);
  font-weight: 800;
  color: var(--gold-2);
  margin: 0 0 8px;
  padding-inline-start: 16px;
}
/* ขีดทองด้านหน้าหัวข้อ — ต่างจาก amg19 ที่จัดกึ่งกลาง */
.ykz-h2::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold-1), var(--crimson-1));
}
.ykz-h2-c { text-align: center; padding: 0; }
.ykz-h2-c::before { display: none; }

.ykz-lead {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-dim);
  max-width: 960px;
  margin: 0;
}
.ykz-lead strong,
.ykz-h1 strong { color: var(--gold-2); font-weight: 800; }

.ykz-sub {
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--text-mute);
  margin: 6px 0 0;
}

/* ===================== การ์ดหมวดเกม ===================== */
.ykz-card-link {
  display: block;
  height: 100%;
  text-decoration: none;
}
.ykz-card {
  position: relative;
  height: 100%;
  padding: 24px 20px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line-gold);
  background: linear-gradient(180deg, rgba(109, 17, 22, 0.5), rgba(26, 5, 8, 0.86));
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.ykz-card-link:hover .ykz-card {
  transform: translateY(-5px);
  border-color: var(--gold-3);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
}
.ykz-card-link:focus-visible .ykz-card {
  outline: 2px solid var(--gold-2);
  outline-offset: 3px;
}
.ykz-card-icon { font-size: 2.2rem; margin-bottom: 10px; }
.ykz-card h3 {
  font-size: 1.14rem;
  font-weight: 700;
  color: var(--gold-2);
  margin: 0 0 8px;
}
.ykz-card p {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.65;
  margin: 0;
}
.ykz-card-cta {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--gold-3);
}
.ykz-card-link:hover .ykz-card-cta { color: var(--gold-2); }

/* กล่องคุณสมบัติ */
.ykz-feature {
  height: 100%;
  padding: 20px;
  border-radius: 12px;
  border: 1px solid rgba(224, 169, 43, 0.2);
  background: rgba(26, 5, 8, 0.5);
}
.ykz-feature h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 8px;
}
.ykz-feature p {
  font-size: 0.94rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin: 0;
}

/* ===================== โปรโมชั่น ===================== */
.ykz-promo { height: 100%; }
.ykz-promo > a {
  display: block;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line-gold);
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.ykz-promo > a:hover { transform: translateY(-5px); border-color: var(--gold-2); }
.ykz-promo picture { display: block; }
.ykz-promo img { display: block; width: 100%; height: auto; }
.ykz-promo h3 {
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--gold-2);
  margin: 13px 0 6px;
}
.ykz-promo p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.65;
  margin: 0;
}

/* ===================== ขั้นตอน ===================== */
.ykz-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  max-width: 860px;
}
.ykz-steps li {
  position: relative;
  padding: 15px 18px 15px 60px;
  margin-bottom: 11px;
  border-radius: 10px;
  background: rgba(109, 17, 22, 0.34);
  border: 1px solid rgba(224, 169, 43, 0.2);
  color: var(--text-dim);
  line-height: 1.7;
}
.ykz-steps li strong { color: var(--gold-2); }
.ykz-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #3a0206;
  background: linear-gradient(180deg, var(--gold-1), var(--gold-3));
}

/* ===================== ตาราง ===================== */
.ykz-table-wrap {
  overflow-x: auto;
  margin: 18px 0 0;
  border-radius: 12px;
  border: 1px solid var(--line-gold);
}
.ykz-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.93rem;
}
.ykz-table th,
.ykz-table td {
  padding: 13px 16px;
  text-align: start;
  border-bottom: 1px solid rgba(224, 169, 43, 0.14);
}
.ykz-table th {
  font-weight: 700;
  color: var(--gold-2);
  background: rgba(109, 17, 22, 0.45);
  white-space: nowrap;
}
.ykz-table td { color: var(--text-dim); }
.ykz-table tr:last-child td { border-bottom: none; }
.ykz-table tbody tr:hover td { background: rgba(109, 17, 22, 0.2); }
.ykz-table strong { color: var(--gold-2); }

/* ===================== breadcrumb ===================== */
.ykz-breadcrumb {
  padding: 14px 0 0;
  font-size: 0.88rem;
}
.ykz-breadcrumb .ykz-container { color: var(--text-mute); }
.ykz-breadcrumb a { color: var(--gold-3); text-decoration: none; }
.ykz-breadcrumb a:hover { text-decoration: underline; }
.ykz-breadcrumb .current { color: var(--text-dim); }

/* ===================== CTA ===================== */
.ykz-cta {
  margin: 34px auto 0;
  padding: 30px 26px;
  border-radius: 16px;
  text-align: center;
  border: 1px solid var(--gold-4);
  background:
    radial-gradient(ellipse at 50% -30%, rgba(168, 31, 36, 0.5), transparent 62%),
    linear-gradient(180deg, rgba(109, 17, 22, 0.55), rgba(26, 5, 8, 0.8));
}
.ykz-cta h2 {
  font-size: clamp(1.25rem, 2.3vw, 1.7rem);
  font-weight: 800;
  color: var(--gold-2);
  margin: 0 0 10px;
}
.ykz-cta p {
  color: var(--text-dim);
  margin: 0 0 18px;
  font-size: 0.98rem;
  line-height: 1.75;
}
.ykz-cta .btn-register { padding: 14px 40px; font-size: 1.02rem; }

/* ===================== FAQ ===================== */
.ykz-faq {
  max-width: 900px;
  margin: 20px 0 0;
  --bs-accordion-border-color: rgba(224, 169, 43, 0.22);
  --bs-accordion-border-radius: 10px;
  --bs-accordion-active-bg: rgba(109, 17, 22, 0.55);
  --bs-accordion-active-color: var(--gold-2);
  --bs-accordion-btn-color: var(--text);
  --bs-accordion-btn-bg: rgba(26, 5, 8, 0.55);
  --bs-accordion-color: var(--text-dim);
}
.ykz-faq .accordion-item { margin-bottom: 9px; overflow: hidden; }
.ykz-faq .accordion-button { font-weight: 600; font-size: 1rem; }
.ykz-faq .accordion-body { line-height: 1.8; font-size: 0.95rem; }

/* ===================== FOOTER ===================== */
.ykz-footer {
  margin-top: 34px;
  padding: 44px 0 0;
  background: linear-gradient(180deg, rgba(58, 7, 11, 0.75), rgba(18, 4, 6, 0.98));
  border-top: 1px solid var(--gold-4);
}
.ykz-footer-logo { height: 52px; width: auto; margin-bottom: 14px; }
.ykz-footer-text {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.75;
}
.ykz-footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold-2);
  margin: 0 0 13px;
}
.ykz-footer-links { list-style: none; padding: 0; margin: 0; }
.ykz-footer-links li { margin-bottom: 9px; }
.ykz-footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s ease;
}
.ykz-footer-links a:hover { color: var(--gold-2); }

.ykz-footer-legal {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 30px 0 0;
  padding: 16px 18px;
  border-radius: 12px;
  border: 1px solid rgba(224, 169, 43, 0.2);
  background: rgba(26, 5, 8, 0.55);
}
.ykz-age-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 900;
  color: #3a0206;
  background: linear-gradient(180deg, var(--gold-1), var(--gold-3));
}
.ykz-footer-legal p {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--text-mute);
}
.ykz-footer-legal a { color: var(--gold-3); text-decoration: underline; }

.ykz-footer-bottom {
  margin-top: 32px;
  padding: 17px 0;
  text-align: center;
  font-size: 0.83rem;
  color: var(--text-mute);
  border-top: 1px solid rgba(224, 169, 43, 0.14);
}

/* ===================== หน้าเอกสาร / บทความ ===================== */
.ykz-doc { max-width: 900px; margin: 18px 0 0; color: var(--text-dim); }
.ykz-doc h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--gold-2);
  margin: 26px 0 8px;
}
.ykz-doc h3:first-child { margin-top: 0; }
.ykz-doc p { font-size: 0.97rem; line-height: 1.85; margin: 0; }

.ykz-age-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  margin-bottom: 16px;
  border-radius: 14px;
  font-size: 1.45rem;
  font-weight: 900;
  color: #3a0206;
  background: linear-gradient(180deg, var(--gold-1), var(--gold-3));
}

.ykz-list { margin: 0 0 18px; padding-inline-start: 22px; }
.ykz-list li { font-size: 0.97rem; line-height: 1.85; margin-bottom: 7px; }
.ykz-list li::marker { color: var(--gold-3); }

.ykz-article-cat,
.ykz-post-cat {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.76rem;
  font-weight: 600;
  color: #3a0206;
  background: linear-gradient(180deg, var(--gold-1), var(--gold-3));
}
.ykz-article-cat { margin: 0 0 14px; }
.ykz-article-meta { margin: 0 0 26px; font-size: 0.85rem; color: var(--text-mute); }
.ykz-article-body { max-width: 820px; color: var(--text-dim); }
.ykz-article-body .ykz-lead { margin-bottom: 26px; }
.ykz-article-body .ykz-h2 { margin: 40px 0 12px; }
.ykz-article-body h3 {
  font-size: 1.06rem;
  font-weight: 700;
  color: #fff;
  margin: 24px 0 8px;
}
.ykz-article-body p { font-size: 1rem; line-height: 1.9; margin: 0 0 14px; }
.ykz-article-body strong { color: var(--gold-2); }
.ykz-article-body em { color: var(--text-mute); }
.ykz-article-body a {
  color: var(--gold-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.ykz-article-body code {
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 0.92em;
  color: var(--gold-2);
  background: rgba(26, 5, 8, 0.85);
  border: 1px solid rgba(224, 169, 43, 0.22);
}
.ykz-related {
  max-width: 820px;
  margin: 32px 0 0;
  padding: 20px 22px;
  border-radius: 12px;
  border: 1px solid rgba(224, 169, 43, 0.2);
  background: rgba(26, 5, 8, 0.5);
}
.ykz-related h2 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--gold-2);
  margin: 0 0 12px;
}
.ykz-related .ykz-list { margin-bottom: 0; }
.ykz-related a { color: var(--text-dim); text-decoration: none; }
.ykz-related a:hover { color: var(--gold-2); text-decoration: underline; }

.ykz-post-card { height: 100%; }
.ykz-post-card > a {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 22px 20px;
  border-radius: 14px;
  text-decoration: none;
  border: 1px solid var(--line-gold);
  background: linear-gradient(180deg, rgba(109, 17, 22, 0.5), rgba(26, 5, 8, 0.86));
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.ykz-post-card > a:hover { transform: translateY(-5px); border-color: var(--gold-2); }
.ykz-post-card > a > .ykz-post-cat { align-self: flex-start; }
.ykz-post-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gold-2);
  line-height: 1.5;
  margin: 13px 0 9px;
}
.ykz-post-excerpt {
  flex: 1;
  font-size: 0.89rem;
  line-height: 1.7;
  color: var(--text-dim);
  margin: 0 0 13px;
}

/* =====================================================================
   MINI GRID / CAROUSEL / ACCORDION — แทน Bootstrap (ไม่โหลด CDN)
   breakpoint: md = 768px, lg = 992px
   ===================================================================== */
.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: calc(-0.5 * var(--gap-x, 0px));
  margin-left: calc(-0.5 * var(--gap-x, 0px));
  margin-top: calc(-1 * var(--gap-y, 0px));
}
.row > * {
  flex-shrink: 0;
  width: 100%;
  max-width: 100%;
  padding-right: calc(var(--gap-x, 0px) * 0.5);
  padding-left: calc(var(--gap-x, 0px) * 0.5);
  margin-top: var(--gap-y, 0px);
}
.g-3 { --gap-x: 1rem;   --gap-y: 1rem; }
/* จัดการ์ดที่เหลือในแถวสุดท้ายให้อยู่กึ่งกลาง แทนที่จะชิดซ้ายโดด ๆ */
.row-center { justify-content: center; }
.g-4 { --gap-x: 1.5rem; --gap-y: 1.5rem; }
.col-6 { width: 50%; }
@media (min-width: 768px) {
  .col-md-3 { width: 25%; }
  .col-md-4 { width: 33.33333333%; }
  .col-md-6 { width: 50%; }
}
@media (min-width: 992px) {
  .col-lg-2 { width: 16.66666667%; }
  .col-lg-3 { width: 25%; }
  .col-lg-4 { width: 33.33333333%; }
}
.mt-1 { margin-top: 0.25rem; }
.mt-3 { margin-top: 1rem; }
.text-center { text-align: center; }
.visually-hidden {
  position: absolute !important;
  width: 1px !important; height: 1px !important;
  padding: 0 !important; margin: -1px !important;
  overflow: hidden !important; clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important; border: 0 !important;
}

/* ---------- carousel ---------- */
.carousel { position: relative; }
.carousel-inner { position: relative; width: 100%; overflow: hidden; }
.carousel-item {
  position: relative;
  display: none;
  float: left;
  width: 100%;
  backface-visibility: hidden;
}
.carousel-item.active { display: block; }
.carousel-indicators {
  position: absolute;
  right: 0; bottom: 14px; left: 0;
  z-index: 2;
  display: flex;
  justify-content: center;
  padding: 0; margin: 0;
  list-style: none;
}
.carousel-indicators [data-bs-target] {
  box-sizing: content-box;
  padding: 0;
  cursor: pointer;
  background-clip: padding-box;
  appearance: none;
}
.carousel-control-prev,
.carousel-control-next {
  position: absolute;
  top: 0; bottom: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: #fff;
  background: none;
  border: 0;
  cursor: pointer;
}
.carousel-control-prev { left: 0; }
.carousel-control-next { right: 0; }
.carousel-control-prev-icon,
.carousel-control-next-icon {
  display: inline-block;
  width: 2rem; height: 2rem;
  background-repeat: no-repeat;
  background-position: 50%;
}
.carousel-control-prev-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffd95e'%3e%3cpath d='M11.354 1.646a.5.5 0 0 1 0 .708L5.707 8l5.647 5.646a.5.5 0 0 1-.708.708l-6-6a.5.5 0 0 1 0-.708l6-6a.5.5 0 0 1 .708 0z'/%3e%3c/svg%3e");
}
.carousel-control-next-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffd95e'%3e%3cpath d='M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

/* ---------- accordion ---------- */
.accordion-item {
  border: 1px solid var(--bs-accordion-border-color);
  border-radius: var(--bs-accordion-border-radius);
  color: var(--bs-accordion-color);
}
.accordion-header { margin: 0; }
.accordion-button {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  padding: 16px 20px;
  font-family: inherit;
  text-align: start;
  color: var(--bs-accordion-btn-color);
  background-color: var(--bs-accordion-btn-bg);
  border: 0;
  border-radius: inherit;
  cursor: pointer;
  transition: color 0.15s ease, background-color 0.15s ease;
}
.accordion-button:not(.collapsed) {
  color: var(--bs-accordion-active-color);
  background-color: var(--bs-accordion-active-bg);
}
.accordion-button::after {
  flex-shrink: 0;
  width: 1.2rem; height: 1.2rem;
  margin-inline-start: auto;
  content: "";
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffd95e'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-size: 1.2rem;
  transition: transform 0.2s ease-in-out;
}
.accordion-button:not(.collapsed)::after { transform: rotate(-180deg); }
/* ยุบเป็น 0 สนิท ไม่มี padding รั่ว */
.accordion-collapse {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.32s ease;
}
.accordion-collapse.show { max-height: 26rem; }
.accordion-body { padding: 4px 20px 18px; }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 1200px) {
  .ykz-menu { gap: 20px; }
  .ykz-menu a { font-size: 15px; }
}

@media (max-width: 992px) {
  .ykz-header-inner { flex-wrap: wrap; justify-content: center; gap: 12px; }
  .ykz-menu { order: 3; flex-basis: 100%; justify-content: center; }
  .ykz-logo img { height: 52px; }
  .ykz-strip-inner { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .ykz-header { padding: 8px 0; position: static; }
  .ykz-header-inner { padding: 0 16px; }
  .ykz-logo img { height: 44px; }
  .ykz-hero-inner, .ykz-container, .ykz-strip { padding: 0 16px; }
  .ykz-section { padding: 32px 0; }
}

@media (max-width: 576px) {
  .ykz-logo img { height: 38px; }
  .ykz-menu {
    justify-content: flex-start;
    gap: 20px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
    padding-bottom: 2px;
  }
  .ykz-menu::-webkit-scrollbar { display: none; }
  .ykz-menu a { font-size: 14px; scroll-snap-align: start; }
  .ykz-header-actions { gap: 8px; }
  .btn-login, .btn-register { font-size: 14px; padding: 9px 16px; }
  .ykz-carousel,
  .ykz-hero-banner { border-radius: 9px; }
  .ykz-carousel .carousel-control-prev,
  .ykz-carousel .carousel-control-next { display: none; }
  .ykz-strip-item { padding: 12px 8px; }
  .ykz-strip-item b { font-size: 1.02rem; }
  .ykz-strip-item span { font-size: 0.74rem; }
  .ykz-lead { font-size: 0.98rem; }
  .ykz-section { padding: 26px 0; }
  .ykz-steps li { padding: 13px 14px 13px 54px; }
  .ykz-cta { padding: 22px 16px; }
  .ykz-footer-legal { flex-direction: column; text-align: center; gap: 10px; }
  .ykz-article-body p, .ykz-list li { font-size: 0.95rem; }
  .ykz-related { padding: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===================== ปุ่มไลน์ ===================== */
.btn-line {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  background: #06c755;               /* สีแบรนด์ LINE */
  border: 1.5px solid #06c755;
  box-shadow: 0 4px 14px rgba(6, 199, 85, 0.28);
  transition: transform 0.15s ease, filter 0.15s ease;
}
.btn-line:hover {
  transform: translateY(-2px);
  filter: brightness(1.07);
}
.btn-line-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
}
.btn-line b {
  font-weight: 800;
  letter-spacing: 0.02em;
}

/* ===================== หน้า 404 ===================== */
.ykz-404 {
  text-align: center;
  padding: 26px 0 6px;
}
.ykz-404-code {
  margin: 0 0 4px;
  font-size: clamp(4.5rem, 16vw, 8.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, var(--gold-1) 0%, var(--gold-3) 55%, var(--crimson-1) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.ykz-404 .ykz-lead { max-width: 560px; }

/* ปุ่มติดต่อใน footer — เรียงลงล่างและกว้างเท่ากัน
   (เดิมเป็น inline-flex สองอันจึงไปเรียงชิดกันในคอลัมน์แคบ ดูไม่เป็นระเบียบ) */
.ykz-footer-cta {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  max-width: 290px;
  margin-top: 4px;
}
.ykz-footer-cta .btn-line,
.ykz-footer-cta .btn-register {
  justify-content: center;
  padding-block: 12px;
  font-size: 0.95rem;   /* บังคับให้เท่ากัน ไม่ให้ media query ทำให้สูงไม่เท่า */
  line-height: 1.4;
}