/* roulang page: index */
:root {
	--deep-green: #1A3C2E;
	--deep-green-dark: #10281E;
	--sand-gold: #E8B84B;
	--action-orange: #EF8354;
	--action-orange-light: #FF9A70;
	--dark-ink: #0E2018;
	--cream: #FAF6F0;
	--ink: #2B3431;
	--muted: #66736E;
	--border-light: #E5E0D6;
	--card-white: #FFFFFF;
	--radius-lg: 0.75rem;
	--radius-full: 9999px;
	--shadow-card: 0 1px 3px rgba(0,0,0,0.06);
	--shadow-hover: 0 8px 24px rgba(0,0,0,0.08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
	font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
	letter-spacing: 0.01em;
	background-color: var(--cream);
	color: var(--ink);
	line-height: 1.75;
	-webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
button { font-family: inherit; }
input { font-family: inherit; }
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }
.line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.nav-link { position: relative; font-weight: 500; color: var(--ink); transition: color 0.2s; }
.nav-link::after { content:''; position:absolute; left:0; bottom:-4px; width:0; height:2px; background:var(--deep-green); border-radius:2px; transition:width 0.25s ease; }
.nav-link:hover { color: var(--deep-green); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--deep-green); font-weight: 700; }
.nav-link.active::after { width: 100%; }

.btn-primary { background: var(--action-orange); color: #fff; border-radius: var(--radius-full); padding: 0.75rem 1.75rem; font-weight: 600; transition: all 0.25s ease; border: none; cursor: pointer; }
.btn-primary:hover { background: var(--action-orange-light); box-shadow: var(--shadow-orange); transform: translateY(-1px); }
.btn-primary:active { transform: scale(0.97); }
.btn-primary:focus-visible { outline: 2px solid var(--deep-green); outline-offset: 2px; }

.btn-secondary { border: 2px solid var(--sand-gold); color: var(--sand-gold); border-radius: var(--radius-full); padding: 0.7rem 1.75rem; font-weight: 600; transition: all 0.25s ease; background: transparent; cursor: pointer; }
.btn-secondary:hover { background: rgba(232,184,75,0.1); transform: translateY(-1px); }
.btn-secondary:active { transform: scale(0.97); }
.btn-secondary:focus-visible { outline: 2px solid var(--sand-gold); outline-offset: 2px; }

.section-title { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 2rem; }
.section-title-bar { width: 8px; height: 24px; background: var(--deep-green); border-radius: 0 4px 4px 0; flex-shrink: 0; }
.section-title-line { flex: 1; height: 1px; background: var(--border-light); }
.section-title-more { font-size: 0.875rem; color: var(--muted); text-decoration: underline; transition: color 0.2s; }
.section-title-more:hover { color: var(--deep-green); }

.card-item {
	background: var(--card-white);
	border: 1px solid var(--border-light);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-card);
	transition: all 0.3s ease;
	overflow: hidden;
}
.card-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: rgba(26,60,46,0.3); }

.card-img-wrap { position: relative; overflow: hidden; background: var(--deep-green); }
.card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.card-item:hover .card-img-wrap img { transform: scale(1.05); }
.card-play-icon {
	position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
	background: rgba(14,32,24,0.35); opacity: 0; transition: opacity 0.3s ease;
}
.card-item:hover .card-play-icon { opacity: 1; }
.card-play-icon .play-btn {
	width: 44px; height: 44px; border-radius: 50%; background: var(--action-orange); color: #fff;
	display: flex; align-items: center; justify-content: center; font-size: 0.875rem;
	box-shadow: 0 4px 16px rgba(239,131,84,0.45); transform: scale(0.85); transition: transform 0.3s ease;
}
.card-item:hover .card-play-icon .play-btn { transform: scale(1); }

.badge-tag {
	background: rgba(232,184,75,0.15);
	color: #8A6A1A;
	font-size: 0.75rem;
	padding: 0.25rem 0.65rem;
	border-radius: var(--radius-full);
	font-weight: 500;
	display: inline-block;
	white-space: nowrap;
}

.horizontal-card {
	background: var(--card-white);
	border: 1px solid var(--border-light);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-card);
	transition: all 0.3s ease;
	overflow: hidden;
}
.horizontal-card:hover { border-color: var(--deep-green); box-shadow: var(--shadow-hover); }

.list-card {
	background: var(--card-white);
	border: 1px solid var(--border-light);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-card);
	transition: all 0.3s ease;
}
.list-card:hover { border-color: var(--deep-green); box-shadow: var(--shadow-hover); transform: translateY(-2px); }

.faq-item {
	background: var(--card-white);
	border: 1px solid var(--border-light);
	border-radius: var(--radius-lg);
	transition: border-color 0.3s, box-shadow 0.3s;
}
.faq-item:hover { border-color: var(--deep-green); }
.faq-question { cursor: pointer; padding: 1rem 1.25rem; font-weight: 500; display: flex; justify-content: space-between; align-items: center; }
.faq-answer { padding: 0 1.25rem 1.25rem; color: var(--muted); line-height: 1.8; display: none; }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-icon { transform: rotate(180deg); }
.faq-icon { transition: transform 0.3s ease; color: var(--deep-green); }

.hero-gradient {
	background: linear-gradient(90deg, rgba(14,32,24,0.88) 0%, rgba(14,32,24,0.6) 50%, rgba(14,32,24,0.35) 100%);
}

.footer-link { color: rgba(255,255,255,0.65); transition: color 0.2s; }
.footer-link:hover { color: var(--sand-gold); }

.mobile-tab { transition: transform 0.15s ease; }
.mobile-tab:active { transform: scale(0.92); }
.mobile-tab.active { color: var(--deep-green); }
.mobile-tab.active .tab-icon-wrap { background: var(--deep-green); color: #fff; }
.tab-icon-wrap {
	width: 40px; height: 22px; border-radius: 9999px; display: flex; align-items: center; justify-content: center;
	transition: background 0.2s, color 0.2s;
}

.focus-ring:focus-visible { outline: 2px solid rgba(232,184,75,0.6); outline-offset: 2px; }

@media (max-width: 640px) {
	.min-h-80vh { min-height: 70vh; }
}

/* roulang page: category1 */
:root {
    --deep: #1A3C2E;
    --deep-dark: #10281E;
    --gold: #E8B84B;
    --orange: #EF8354;
    --orange-light: #FF9A70;
    --ink: #2B3431;
    --muted: #66736E;
    --cream: #FAF6F0;
    --border: #E5E0D6;
    --dark-ink: #0E2018;
    --radius: 0.75rem;
    --shadow-sm: 0 2px 8px rgba(16, 32, 24, 0.06);
    --shadow-md: 0 6px 20px rgba(16, 32, 24, 0.08);
    --shadow-xl: 0 16px 40px rgba(16, 32, 24, 0.12);
  }
  * {
    box-sizing: border-box;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--cream);
    color: var(--ink);
    letter-spacing: 0.01em;
    line-height: 1.75;
    margin: 0;
    -webkit-font-smoothing: antialiased;
  }
  a {
    color: inherit;
    text-decoration: none;
  }
  img {
    max-width: 100%;
    display: block;
  }
  button, input {
    font-family: inherit;
  }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(250, 246, 240, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(229, 224, 214, 0.8);
    transition: box-shadow .3s ease, background .3s ease;
  }
  .site-header.scrolled {
    background: rgba(250, 246, 240, 0.98);
    box-shadow: 0 8px 30px rgba(16, 32, 24, 0.08);
  }
  .nav-link {
    position: relative;
    font-weight: 500;
    color: var(--ink);
    padding: 8px 2px;
    transition: color .25s ease;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--deep);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .3s ease;
  }
  .nav-link:hover {
    color: var(--deep);
  }
  .nav-link:hover::after,
  .nav-link.active::after {
    transform: scaleX(1);
  }
  .nav-link.active {
    color: var(--deep);
    font-weight: 700;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--orange);
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    border-radius: 999px;
    padding: 12px 28px;
    border: none;
    cursor: pointer;
    transition: background .25s ease, box-shadow .25s ease, transform .2s ease;
    box-shadow: 0 4px 14px rgba(239, 131, 84, 0.3);
  }
  .btn-primary:hover {
    background: var(--orange-light);
    box-shadow: 0 8px 24px rgba(239, 131, 84, 0.38);
    transform: translateY(-1px);
  }
  .btn-primary:active {
    transform: scale(0.97);
  }
  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: var(--gold);
    font-weight: 600;
    font-size: 15px;
    border-radius: 999px;
    padding: 12px 28px;
    border: 2px solid var(--gold);
    cursor: pointer;
    transition: background .25s ease, transform .2s ease;
  }
  .btn-outline:hover {
    background: rgba(232, 184, 75, 0.12);
    transform: translateY(-1px);
  }
  .btn-outline:active {
    transform: scale(0.97);
  }

  .section-title {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
  }
  .section-title::before {
    content: '';
    width: 8px;
    height: 26px;
    background: var(--deep);
    border-radius: 4px;
    flex-shrink: 0;
  }
  .section-title h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: -0.02em;
    margin: 0;
    white-space: nowrap;
  }
  .section-title .line {
    flex: 1;
    height: 1px;
    background: var(--border);
  }
  .section-title .more-link {
    font-size: 14px;
    color: var(--muted);
    white-space: nowrap;
    transition: color .25s ease;
  }
  .section-title .more-link:hover {
    color: var(--deep);
    text-decoration: underline;
  }

  .badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(232, 184, 75, 0.16);
    color: #8A6A1A;
    font-size: 12px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 999px;
  }

  .card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
  }
  .card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: rgba(26, 60, 46, 0.25);
  }

  .list-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .3s ease, border-color .3s ease, transform .3s ease;
  }
  .list-card:hover {
    border-color: var(--deep);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }
  .list-card .num {
    font-size: 2rem;
    font-weight: 900;
    color: rgba(26, 60, 46, 0.18);
    line-height: 1;
    letter-spacing: -0.03em;
    min-width: 52px;
    text-align: center;
  }
  .list-card .thumb {
    width: 176px;
    height: 96px;
    object-fit: cover;
    border-radius: 12px;
    flex-shrink: 0;
  }
  .list-card .view-link {
    color: var(--deep);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition: color .25s ease, gap .25s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .list-card .view-link:hover {
    color: var(--orange);
    gap: 10px;
  }

  .hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
  .hide-scrollbar::-webkit-scrollbar {
    display: none;
  }

  .scroll-card {
    min-width: 240px;
    max-width: 240px;
    scroll-snap-align: start;
  }
  .scroll-card .img-wrap {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    height: 150px;
  }
  .scroll-card .img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
  }
  .scroll-card:hover .img-wrap img {
    transform: scale(1.06);
  }
  .scroll-card .play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.6);
    width: 44px;
    height: 44px;
    background: var(--orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    opacity: 0;
    transition: opacity .3s ease, transform .3s ease;
    box-shadow: 0 6px 20px rgba(239, 131, 84, 0.5);
  }
  .scroll-card:hover .play-icon {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }

  .step-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 22px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .3s ease, transform .3s ease;
  }
  .step-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }
  .step-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: var(--deep);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: 22px;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 14px;
    overflow: hidden;
    transition: border-color .3s ease, box-shadow .3s ease;
  }
  .faq-item:hover {
    border-color: rgba(26, 60, 46, 0.35);
    box-shadow: var(--shadow-sm);
  }
  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    text-align: left;
    transition: background .25s ease;
  }
  .faq-question:hover {
    background: rgba(250, 246, 240, 0.6);
  }
  .faq-question .icon {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(26, 60, 46, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--deep);
    transition: transform .3s ease, background .3s ease, color .3s ease;
    flex-shrink: 0;
  }
  .faq-item.active .faq-question .icon {
    transform: rotate(180deg);
    background: var(--deep);
    color: var(--gold);
  }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 22px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
    transition: max-height .35s ease, padding .35s ease;
  }
  .faq-item.active .faq-answer {
    max-height: 240px;
    padding: 0 22px 20px;
  }

  .category-hero {
    position: relative;
    background: var(--deep);
    overflow: hidden;
    padding-top: 72px;
  }
  .category-hero .bg-layer {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.22;
  }
  .category-hero .bg-layer::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(14, 32, 24, 0.92) 0%, rgba(26, 60, 46, 0.55) 60%, rgba(14, 32, 24, 0.3) 100%);
  }

  .relate-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
  }
  .relate-card:hover {
    border-color: var(--deep);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }
  .relate-card img {
    width: 96px;
    height: 72px;
    object-fit: cover;
    border-radius: 10px;
    flex-shrink: 0;
  }

  .cta-form {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    padding: 8px 8px 8px 22px;
    max-width: 480px;
    margin: 24px auto 0;
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: box-shadow .3s ease, border-color .3s ease;
  }
  .cta-form:focus-within {
    box-shadow: 0 0 0 3px rgba(232, 184, 75, 0.4);
    border-color: rgba(232, 184, 75, 0.6);
  }
  .cta-form input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-size: 15px;
    padding: 8px 0;
    min-width: 0;
  }
  .cta-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
  }

  .footer-link {
    color: rgba(255, 255, 255, 0.7);
    transition: color .3s ease, padding-left .3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .footer-link:hover {
    color: var(--gold);
    padding-left: 4px;
  }

  .mobile-tab-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 60;
    display: flex;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border);
    height: 62px;
  }
  .tab-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    font-size: 11px;
    color: var(--muted);
    transition: color .25s ease, transform .2s ease;
  }
  .tab-item i {
    font-size: 20px;
  }
  .tab-item:hover {
    color: var(--deep);
  }
  .tab-item.active {
    color: var(--deep);
    font-weight: 600;
  }
  .tab-item:active {
    transform: scale(0.92);
  }

  .mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    z-index: 45;
    background: rgba(250, 246, 240, 0.98);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 18px 24px 24px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform .3s ease, opacity .3s ease;
  }
  .mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .mobile-menu a {
    display: block;
    padding: 12px 8px;
    font-weight: 500;
    color: var(--ink);
    border-bottom: 1px solid rgba(229, 224, 214, 0.6);
    transition: color .25s ease, padding-left .25s ease;
  }
  .mobile-menu a:last-child {
    border-bottom: none;
  }
  .mobile-menu a:hover {
    color: var(--deep);
    padding-left: 14px;
  }
  .mobile-menu a.active-link {
    color: var(--deep);
    font-weight: 700;
  }

  @media (min-width: 768px) {
    .mobile-tab-bar {
      display: none;
    }
  }
  @media (max-width: 767px) {
    .list-card {
      padding: 12px;
      gap: 12px;
    }
    .list-card .num {
      font-size: 1.3rem;
      min-width: 34px;
    }
    .list-card .thumb {
      width: 110px;
      height: 78px;
    }
    .section-title h2 {
      font-size: 1.3rem;
    }
    .category-hero h1 {
      font-size: 2.2rem !important;
    }
    .step-card {
      padding: 20px 16px;
    }
  }
  @media (max-width: 520px) {
    .list-card .thumb {
      width: 88px;
      height: 66px;
    }
    .list-card .num {
      display: none;
    }
    .list-card .view-link {
      display: none;
    }
    .relate-card img {
      width: 72px;
      height: 60px;
    }
    .cta-form {
      border-radius: 16px;
      flex-direction: column;
      padding: 12px;
    }
    .cta-form .btn-primary {
      width: 100%;
    }
  }

/* roulang page: article */
:root {
            --deep-green: #1A3C2E;
            --sand-gold: #E8B84B;
            --action-orange: #EF8354;
            --dark-ink: #0E2018;
            --cream: #FAF6F0;
            --ink: #2B3431;
            --muted: #66736E;
            --border-light: #E5E0D6;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            letter-spacing: 0.01em;
            background-color: var(--cream);
            color: var(--ink);
            -webkit-font-smoothing: antialiased;
            line-height: 1.6;
        }
        img {
            display: block;
            max-width: 100%;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        .nav-link {
            font-weight: 500;
            color: #2B3431;
            position: relative;
            padding: 8px 2px 6px;
            transition: color 0.2s;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: #1A3C2E;
            border-radius: 2px;
            transition: width 0.3s ease;
        }
        .nav-link:hover {
            color: #1A3C2E;
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link.active {
            color: #1A3C2E;
            font-weight: 700;
        }
        .footer-link {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s;
        }
        .footer-link:hover {
            color: #E8B84B;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid #EF8354;
            outline-offset: 2px;
            border-radius: 4px;
        }
        .scrollbar-hide {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .scrollbar-hide::-webkit-scrollbar {
            display: none;
        }
        .article-content {
            font-size: 1.0625rem;
            line-height: 1.75;
            color: #2B3431;
            word-break: break-word;
        }
        .article-content p {
            margin-bottom: 1.5em;
            line-height: 1.75;
        }
        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            color: #1A3C2E;
            letter-spacing: -0.01em;
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #1A3C2E;
        }
        .article-content h4 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
            color: #1A3C2E;
        }
        .article-content blockquote {
            border-left: 4px solid #1A3C2E;
            padding: 0.75rem 1rem;
            margin: 1.5rem 0;
            background: rgba(26, 60, 46, 0.04);
            border-radius: 0 0.5rem 0.5rem 0;
            color: #66736E;
            font-style: italic;
        }
        .article-content a {
            color: #1A3C2E;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: #EF8354;
        }
        .article-content img {
            width: 100%;
            border-radius: 0.75rem;
            margin: 1.5rem 0;
        }
        .article-content ul,
        .article-content ol {
            margin: 1rem 0 1.5rem;
            padding-left: 1.5rem;
        }
        .article-content ul {
            list-style: disc;
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content li {
            margin-bottom: 0.5rem;
            line-height: 1.75;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.9375rem;
        }
        .article-content th,
        .article-content td {
            border: 1px solid #E5E0D6;
            padding: 0.75rem 1rem;
            text-align: left;
        }
        .article-content th {
            background: rgba(26, 60, 46, 0.05);
            font-weight: 600;
        }
        .article-content hr {
            border: none;
            border-top: 1px solid #E5E0D6;
            margin: 2rem 0;
        }
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .line-clamp-1 {
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        @media (max-width: 640px) {
            .article-content {
                font-size: 1rem;
            }
            .article-content h2 {
                font-size: 1.375rem;
            }
        }

/* roulang page: category2 */
:root {
            --deep-green: #1A3C2E;
            --deep-green-dark: #10281E;
            --sand-gold: #E8B84B;
            --action-orange: #EF8354;
            --action-orange-light: #FF9A70;
            --dark-ink: #0E2018;
            --cream: #FAF6F0;
            --ink: #2B3431;
            --muted: #66736E;
            --border-light: #E5E0D6;
            --card-white: #ffffff;
            --radius-lg: .75rem;
            --radius-xl: 1rem;
            --shadow-sm: 0 1px 3px rgba(16, 32, 24, .08);
            --shadow-md: 0 6px 20px rgba(16, 32, 24, .10);
            --shadow-xl: 0 16px 40px rgba(16, 32, 24, .16);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--cream);
            color: var(--ink);
            letter-spacing: .01em;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            display: block;
            max-width: 100%;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
            font: inherit;
        }
        input {
            font: inherit;
        }

        /* ===== 导航链接 ===== */
        .nav-link {
            position: relative;
            font-weight: 500;
            color: var(--ink);
            transition: color .2s;
            padding: 4px 0;
        }
        .nav-link:hover {
            color: var(--deep-green);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--deep-green);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .25s ease;
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--deep-green);
            font-weight: 700;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--action-orange);
            color: #fff;
            border-radius: 9999px;
            font-weight: 600;
            transition: background .25s, transform .25s, box-shadow .25s;
        }
        .btn-primary:hover {
            background: var(--action-orange-light);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(239, 131, 84, .3);
        }
        .btn-primary:active {
            transform: scale(.97);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--action-orange);
            outline-offset: 3px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--sand-gold);
            color: var(--sand-gold);
            border-radius: 9999px;
            font-weight: 600;
            transition: background .25s, transform .25s;
        }
        .btn-outline:hover {
            background: rgba(232, 184, 75, .1);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: scale(.97);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--sand-gold);
            outline-offset: 3px;
        }

        /* ===== 卡片 ===== */
        .content-card {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-sm);
            transition: transform .3s, box-shadow .3s, border-color .3s;
        }
        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(26, 60, 46, .3);
        }
        .content-card img {
            transition: transform .5s ease;
        }
        .content-card:hover img {
            transform: scale(1.05);
        }

        /* ===== FAQ ===== */
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 320px;
        }
        .faq-icon {
            transition: transform .3s ease;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        .faq-item {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            transition: border-color .3s;
        }
        .faq-item:hover {
            border-color: var(--deep-green);
        }

        /* ===== 隐藏滚动条 ===== */
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        /* ===== 行截断 ===== */
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== 通用焦点 ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--action-orange);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ===== 滚动阴影 ===== */
        .header-scrolled {
            box-shadow: 0 4px 20px rgba(16, 32, 24, .06);
        }

        /* ===== 移动端底部留白 ===== */
        @media (max-width: 767px) {
            main {
                padding-bottom: 72px;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                transition: none !important;
            }
        }

/* roulang page: category3 */
:root {
            --deep-green: #1A3C2E;
            --sand-gold: #E8B84B;
            --action-orange: #EF8354;
            --dark-ink: #0E2018;
            --cream: #FAF6F0;
            --ink: #2B3431;
            --muted: #66736E;
            --border-light: #E5E0D6;
            --white: #FFFFFF;
            --hover-deep: #10281E;
            --hover-orange: #FF9A70;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--cream);
            color: var(--ink);
            letter-spacing: 0.01em;
            line-height: 1.75;
        }
        a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
        img { max-width: 100%; display: block; }
        button { cursor: pointer; font-family: inherit; }
        input, select, textarea { font-family: inherit; }

        .nav-link {
            font-weight: 500;
            color: var(--ink);
            position: relative;
            padding: 0.5rem 0;
            transition: color 0.3s ease;
        }
        .nav-link:hover { color: var(--deep-green); }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--deep-green);
            border-radius: 2px;
            transition: width 0.3s ease;
        }
        .nav-link:hover::after { width: 100%; }
        .nav-link.active {
            color: var(--deep-green);
            font-weight: 700;
        }
        .nav-link.active::after { width: 100%; }

        .btn-primary {
            background: var(--action-orange);
            color: white;
            border-radius: 9999px;
            padding: 0.75rem 1.75rem;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .btn-primary:hover {
            background: var(--hover-orange);
            transform: translateY(-1px);
            box-shadow: 0 10px 30px rgba(239, 131, 84, 0.3);
        }
        .btn-primary:active { transform: scale(0.97); }

        .btn-outline {
            border: 2px solid var(--sand-gold);
            color: var(--sand-gold);
            border-radius: 9999px;
            padding: 0.65rem 1.75rem;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .btn-outline:hover { background: rgba(232, 184, 75, 0.1); }
        .btn-outline:active { transform: scale(0.97); }

        .section-title { display: flex; align-items: center; gap: 0.75rem; }
        .section-title .bar {
            width: 8px;
            height: 1.5rem;
            background: var(--deep-green);
            border-radius: 0 4px 4px 0;
            flex-shrink: 0;
        }
        .section-title h2 {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .section-title .line { flex: 1; height: 1px; background: var(--border-light); }

        .card {
            background: white;
            border-radius: 0.75rem;
            border: 1px solid var(--border-light);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        .card:hover {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            transform: translateY(-2px);
            border-color: var(--deep-green);
        }

        .tag {
            background: rgba(232, 184, 75, 0.15);
            color: #8A6A1A;
            font-size: 0.75rem;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            white-space: nowrap;
        }

        .faq-item {
            background: white;
            border-radius: 0.75rem;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover { border-color: var(--deep-green); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 1.25rem;
            font-weight: 500;
            cursor: pointer;
            user-select: none;
        }
        .faq-answer {
            padding: 0 1.25rem 1.1rem;
            color: var(--muted);
            line-height: 1.75;
            font-size: 0.875rem;
        }

        .footer-link { transition: color 0.3s ease; }
        .footer-link:hover { color: var(--sand-gold); }

        a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
            outline: 3px solid var(--action-orange);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .scroll-hide::-webkit-scrollbar { display: none; }
        .scroll-hide { -ms-overflow-style: none; scrollbar-width: none; }

        @media (max-width: 640px) {
            .section-title h2 { font-size: 1.25rem; }
        }
        @media (max-width: 520px) {
            .card .line-clamp-2 { -webkit-line-clamp: 2; }
        }