:root {
    --bg-color: #0a1118;
    --surface-color: #142230;
    --surface-hover: #1c2e40;
    --accent-color: #4dd0ff;
    --accent-hover: #2bb9f0;
    --accent2-color: #ffd166;
    --text-main: #f0faff;
    --text-muted: #8fa8b8;
    --border-color: #2a3f54;

    --font-heading: 'Russo One', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-pill: 50px;

    --transition: all 0.3s ease;
  }

  /* Reset & Base */
  * { margin: 0; padding: 0; box-sizing: border-box; }
  body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  a { color: var(--accent-color); text-decoration: none; transition: var(--transition); }
  a:hover { color: var(--accent2-color); }
  img { max-width: 100%; height: auto; display: block; }

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    min-height: 44px;
  }
  .btn-primary {
    background-color: var(--accent-color);
    color: #000;
    box-shadow: 0 4px 15px rgba(77, 208, 255, 0.3);
  }
  .btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(77, 208, 255, 0.4);
  }
  .btn-secondary {
    background-color: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
  }
  .btn-secondary:hover {
    background-color: rgba(77, 208, 255, 0.1);
    color: var(--text-main);
    border-color: var(--text-main);
  }

  /* Header (Verbatim Match Styles) */
  header {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
  }
  .logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .logo span { color: var(--accent-color); }
  .nav-links {
    display: none;
    gap: 20px;
  }
  .nav-links a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
  }
  .nav-links a:hover { color: var(--accent-color); }
  .header-ctas { display: none; gap: 10px; }
  .mobile-toggle {
    display: block;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
  }
  .mobile-menu {
    display: none;
    background-color: var(--surface-color);
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
  }
  .mobile-menu.active { display: flex; flex-direction: column; gap: 15px; }
  .mobile-menu a {
    color: var(--text-main);
    font-weight: 600;
    font-size: 1.1rem;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
  }
  .mobile-menu .header-ctas {
    display: flex;
    flex-direction: column;
    margin-top: 15px;
  }

  @media (min-width: 1024px) {
    .nav-links, .header-ctas { display: flex; align-items: center; }
    .mobile-toggle { display: none; }
    .mobile-menu.active { display: none; }
  }

  /* Hero Section (Sky-Kite Motif) */
  .hero {
    position: relative;
    padding: 60px 20px 80px;
    background: linear-gradient(135deg, var(--surface-color) 0%, var(--bg-color) 100%);
    overflow: hidden;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
  }
  .hero::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(77,208,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
  }
  .hero::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 10%;
    width: 40px;
    height: 60px;
    background-color: rgba(255, 209, 102, 0.05);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    transform: rotate(15deg);
  }
  .breadcrumb {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    display: inline-block;
    background: rgba(20, 34, 48, 0.6);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-color);
  }
  .hero h1 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-main);
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
  }
  .meta-chips {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
  }
  .chip {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent2-color);
    background: rgba(255, 209, 102, 0.1);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 209, 102, 0.2);
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .chip::before {
    content: '✦';
    font-size: 0.7rem;
  }

  /* Main Content Layout */
  .article-container {
    max-width: 840px;
    margin: -40px auto 60px;
    position: relative;
    z-index: 10;
    padding: 0 20px;
  }

  /* Intro Blockquote */
  .intro-block {
    background: var(--surface-color);
    padding: 30px;
    border-radius: var(--radius-md);
    border-left: 5px solid var(--accent2-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    font-size: 1.1rem;
    color: var(--text-main);
    margin-bottom: 50px;
    position: relative;
  }
  .intro-block::before {
    content: '"';
    position: absolute;
    top: 10px;
    right: 20px;
    font-family: var(--font-heading);
    font-size: 4rem;
    color: rgba(255, 209, 102, 0.1);
    line-height: 1;
  }

  /* Typography within content */
  .content-section {
    margin-bottom: 50px;
  }
  .content-section h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .content-section h2::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 24px;
    background-color: var(--accent-color);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  }
  .content-section p {
    margin-bottom: 1.2rem;
    color: #dbeafe;
  }
  .content-section a {
    font-weight: 600;
    border-bottom: 1px dashed var(--accent-color);
  }
  .content-section a:hover {
    border-bottom-style: solid;
  }

  /* Special Layouts for specific sections */

  /* Card Style for Section 2 (Pendaftaran) */
  .card-style {
    background: rgba(20, 34, 48, 0.5);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
  }
  .card-style h2 { border-bottom: none; margin-bottom: 15px; }

  /* Highlight Box for Section 4 (Togel Santai) */
  .highlight-box {
    position: relative;
    padding-left: 20px;
    border-left: 3px solid var(--accent-color);
  }

  /* Custom List for Section 5 */
  .custom-list {
    list-style: none;
    margin: 20px 0;
    padding: 0;
  }
  .custom-list li {
    position: relative;
    padding-left: 35px;
    margin-bottom: 15px;
    color: #dbeafe;
    background: var(--surface-color);
    padding: 15px 15px 15px 45px;
    border-radius: var(--radius-sm);
  }
  .custom-list li::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 20px;
    width: 12px;
    height: 18px;
    background-color: var(--accent2-color);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  }

  /* Tips Grid (Section 6) - Styling paragraphs as numbered cards */
  .tips-section {
    counter-reset: tip-counter;
  }
  .tips-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 20px;
  }
  @media (min-width: 768px) {
    .tips-grid { grid-template-columns: 1fr 1fr; }
  }
  .tips-grid p {
    background: var(--surface-color);
    padding: 25px 20px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    position: relative;
    margin-bottom: 0;
    font-size: 0.95rem;
    transition: var(--transition);
  }
  .tips-grid p:hover {
    border-color: var(--accent-color);
    transform: translateY(-3px);
  }
  .tips-grid p::before {
    counter-increment: tip-counter;
    content: "Tip " counter(tip-counter);
    position: absolute;
    top: -12px;
    left: 20px;
    background: var(--accent-color);
    color: #000;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    padding: 2px 10px;
    border-radius: var(--radius-pill);
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
  }

  /* FAQ Section */
  .faq-section {
    margin-top: 60px;
  }
  details {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    overflow: hidden;
  }
  summary {
    padding: 18px 20px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-main);
  }
  summary::-webkit-details-marker { display: none; }
  summary::after {
    content: '+';
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--accent-color);
    transition: transform 0.3s ease;
  }
  details[open] summary::after { transform: rotate(45deg); color: var(--accent2-color); }
  details p {
    padding: 0 20px 20px;
    margin: 0;
    color: var(--text-muted);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 15px;
  }

  /* Related Pages Block */
  .related-block {
    background: linear-gradient(to right, rgba(20,34,48,0.8), rgba(10,17,24,0.8));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    margin: 60px 0;
    text-align: center;
  }
  .related-block h3 {
    font-family: var(--font-heading);
    color: var(--accent2-color);
    margin-bottom: 20px;
    font-size: 1.3rem;
  }
  .related-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }
  .related-nav a {
    background: var(--bg-color);
    color: var(--text-main);
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color); /* override content section style */
  }
  .related-nav a:hover {
    background: var(--accent-color);
    color: #000;
    border-color: var(--accent-color);
  }

  /* Grand CTA */
  .grand-cta {
    background: linear-gradient(135deg, #0f1d2b 0%, #1a2f45 100%);
    padding: 60px 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
  }
  .grand-cta::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 50% 0%, rgba(77,208,255,0.15), transparent 60%);
    pointer-events: none;
  }
  .grand-cta h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--text-main);
  }
  .grand-cta p {
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 1.1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
  .cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
  }

  /* Footer (Verbatim Match Styles) */
  footer {
    background-color: var(--bg-color);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 40px;
  }
  @media (min-width: 768px) {
    .footer-grid { grid-template-columns: 1fr 2fr; }
  }
  .footer-brand {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--text-main);
    margin-bottom: 15px;
  }
  .footer-brand span { color: var(--accent-color); }
  .footer-tagline { color: var(--text-muted); font-size: 0.95rem; }
  .footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
  @media (min-width: 1024px) {
    .footer-links { grid-template-columns: repeat(3, 1fr); }
  }
  .footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
  }
  .footer-links a:hover { color: var(--accent-color); }
  .footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
  }

  /* Responsive Adjustments */
  @media (max-width: 768px) {
    .hero h1 { font-size: 1.8rem; }
    .intro-block { font-size: 1rem; padding: 20px; }
    .content-section h2 { font-size: 1.4rem; }
    .grand-cta h2 { font-size: 1.6rem; }
  }
  @media (max-width: 390px) {
    .meta-chips { flex-direction: column; align-items: center; }
    .footer-links { grid-template-columns: 1fr; text-align: center; }
    .footer-grid > div:first-child { text-align: center; }
  }


/* pipeline image & layout guards */
html, body { overflow-x: clip; }
img { max-width: 100%; height: auto; }
img.site-logo { height: 40px; width: auto; max-width: 240px; object-fit: contain; flex: none; }
header .logo a { display: inline-flex; align-items: center; flex: none; text-decoration: none; }
img.hero-visual { width: 100%; max-width: 560px; height: auto; object-fit: cover; border-radius: 16px; display: block; margin-inline: auto; }
img[class^="strip-"], img[class*=" strip-"] { width: 100%; height: auto; display: block; border-radius: 12px; object-fit: cover; }
/* 合规声明块（zb-disclaimer，全站 footer） */
.zb-disclaimer { margin-top: 18px !important; padding: 14px 0 0 0 !important; border-top: 1px solid rgba(128,128,128,.25) !important; font-size: .72rem !important; line-height: 1.7 !important; opacity: .85 !important; display: block !important; text-align: left !important; width: 100% !important; clear: both !important; }
.zb-disclaimer .zb-18 { display: inline-block !important; padding: 2px 10px !important; border: 1.5px solid currentColor !important; border-radius: 6px !important; font-weight: 800 !important; letter-spacing: 1px !important; margin: 0 0 10px 0 !important; font-size: .78rem !important; }
.zb-disclaimer p { display: block !important; margin: 5px 0 !important; padding: 0 !important; color: inherit !important; font-size: .72rem !important; line-height: 1.7 !important; }
.zb-disclaimer p:last-child { margin-bottom: 0 !important; }