/* roulang page: index */
:root {
  --brand-deep: #064E3B;
  --brand-main: #0D8A6A;
  --brand-light: #D1EFE2;
  --brand-ink: #0C2B25;
  --accent: #D99A3D;
  --accent-light: #F6E3C0;
  --accent-ink: #5B3F17;
  --surface: #F6F4EE;
  --ink: #23302D;
  --muted: #64716C;
  --line: rgba(12, 43, 37, 0.10);
  --radius-lg: 24px;
  --radius-md: 12px;
  --shadow-card: 0 6px 20px rgba(6, 78, 59, 0.08);
  --shadow-hover: 0 18px 40px rgba(6, 78, 59, 0.14);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "Heiti SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--surface);
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
button, input, select, textarea { font-family: inherit; }
.container-custom { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container-custom { padding: 0 16px; } }
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; }
h1 { font-size: 52px; font-weight: 900; }
h2 { font-size: 32px; }
h3 { font-size: 18px; }
@media (max-width: 768px) {
  h1 { font-size: 30px; }
  h2 { font-size: 24px; }
}
.font-num { font-variant-numeric: tabular-nums; }
.brand-gradient { background: linear-gradient(135deg, #064E3B 0%, #0D8A6A 70%, #D1EFE2 130%); }
.text-gradient { background: linear-gradient(135deg, #064E3B, #0D8A6A); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(135deg, #0D8A6A, #064E3B);
  color: #fff; font-weight: 600; font-size: 15px;
  padding: 14px 28px; border-radius: 999px; border: none; cursor: pointer;
  transition: all 0.25s ease; min-height: 44px;
  box-shadow: 0 4px 14px rgba(6, 78, 59, 0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(6, 78, 59, 0.35); }
.btn-primary:active { transform: scale(0.97); }
.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: transparent; color: var(--brand-ink); font-weight: 600; font-size: 15px;
  padding: 14px 28px; border-radius: 999px; border: 1.5px solid rgba(12, 43, 37, 0.25);
  cursor: pointer; transition: all 0.25s ease; min-height: 44px;
}
.btn-secondary:hover { border-color: var(--brand-main); color: var(--brand-main); background: rgba(13, 138, 106, 0.04); }
.btn-accent {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(135deg, #E4B45F, #D99A3D);
  color: #fff; font-weight: 700; font-size: 15px;
  padding: 14px 30px; border-radius: 999px; border: none; cursor: pointer;
  transition: all 0.25s ease; min-height: 44px;
  box-shadow: 0 4px 16px rgba(217, 154, 61, 0.35);
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(217, 154, 61, 0.45); }
.btn-accent:active { transform: scale(0.97); }
.card-base {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card); transition: all 0.3s ease;
}
.card-base:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.badge-pill {
  display: inline-flex; align-items: center; padding: 5px 14px; border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.02em;
}
.input-field {
  width: 100%; padding: 13px 16px; border-radius: 12px; border: 1px solid rgba(12, 43, 37, 0.15);
  background: #fff; font-size: 15px; transition: all 0.2s ease; outline: none;
}
.input-field:focus { border-color: var(--brand-main); box-shadow: 0 0 0 3px rgba(13, 138, 106, 0.15); }
.input-field::placeholder { color: #9AA5A0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.header-main {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246, 244, 238, 0.88); backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(12, 43, 37, 0.07);
  transition: box-shadow 0.3s ease;
}
.header-main.scrolled { box-shadow: 0 6px 24px rgba(6, 78, 59, 0.08); }
.logo-icon {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--brand-deep), var(--brand-main));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px; font-weight: 900; flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(6, 78, 59, 0.25);
}
.nav-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px; font-size: 15px; font-weight: 500;
  color: var(--muted); transition: all 0.2s ease; position: relative; white-space: nowrap;
}
.nav-link:hover { color: var(--brand-main); background: rgba(13, 138, 106, 0.06); }
.nav-link.active { color: var(--brand-deep); font-weight: 600; }
.nav-link.active::after {
  content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 3px; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--brand-main));
}
.countdown-bar {
  position: sticky; top: 72px; z-index: 40;
  background: var(--accent-light);
  border-top: 3px solid transparent;
  border-image: linear-gradient(90deg, #D99A3D, #F6E3C0) 1;
  padding: 10px 0;
}
@media (max-width: 768px) { .countdown-bar { top: 64px; } }
.countdown-bar.expired {
  background: #E8E8E4; filter: grayscale(1) opacity(0.6); pointer-events: none;
}
.time-block {
  background: #fff; border-radius: 10px; padding: 6px 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06); text-align: center; min-width: 52px;
}
.time-block .num { font-size: 20px; font-weight: 800; color: var(--brand-deep); line-height: 1.2; font-variant-numeric: tabular-nums; }
.time-block .unit { font-size: 11px; color: var(--muted); }
.hero-section {
  position: relative; min-height: 620px;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover; background-position: center;
  display: flex; align-items: center;
}
.hero-section::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(115deg, rgba(6, 46, 38, 0.96) 20%, rgba(8, 66, 52, 0.85) 60%, rgba(13, 138, 106, 0.45) 100%);
}
.hero-content { position: relative; z-index: 2; padding: 80px 0; }
.data-badge {
  background: rgba(255, 255, 255, 0.95); border-radius: 16px;
  padding: 20px 24px; min-width: 150px; text-align: center;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.6);
}
.data-badge .num { font-size: 36px; font-weight: 900; color: var(--brand-deep); line-height: 1.1; font-variant-numeric: tabular-nums; }
.data-badge .label { font-size: 13px; color: var(--muted); margin-top: 4px; }
.zigzag-card {
  display: flex; align-items: center; gap: 48px;
  background: #fff; border: 1px solid var(--line); border-radius: 24px;
  padding: 40px; box-shadow: var(--shadow-card);
  transition: all 0.35s ease;
}
.zigzag-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.zigzag-card:nth-child(even) { flex-direction: row-reverse; }
.zigzag-card .number {
  font-size: 80px; font-weight: 900; line-height: 1;
  background: linear-gradient(135deg, #E4B45F, #D99A3D);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; opacity: 0.35; font-variant-numeric: tabular-nums;
}
.zigzag-card .text-area { flex: 1; }
.zigzag-card .media-area { flex: 0 0 46%; }
@media (max-width: 1024px) {
  .zigzag-card, .zigzag-card:nth-child(even) { flex-direction: column; padding: 24px; gap: 20px; }
  .zigzag-card .media-area { flex: none; width: 100%; }
}
.gallery-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 120px; gap: 16px;
}
.gallery-grid .item { position: relative; border-radius: 20px; overflow: hidden; cursor: pointer; }
.gallery-grid .item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-grid .item:hover img { transform: scale(1.05); }
.gallery-grid .item .overlay {
  position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(6, 46, 38, 0.88) 100%);
  display: flex; align-items: flex-end; padding: 16px;
}
.gallery-grid .item .title { font-size: 15px; font-weight: 600; color: #fff; }
.gallery-grid .item.large { grid-column: span 2; grid-row: span 2; }
@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 100px; gap: 12px; }
}
.cta-card-dark {
  background: var(--brand-ink); border-radius: 28px; position: relative; overflow: hidden;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover; background-position: center; background-blend-mode: overlay;
  border: 1px solid rgba(217, 154, 61, 0.3);
}
.cta-card-dark::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(12, 43, 37, 0.96) 30%, rgba(6, 78, 59, 0.82) 75%, rgba(13, 138, 106, 0.5) 100%);
}
.cta-card-dark > * { position: relative; z-index: 2; }
.benefit-item { display: flex; gap: 14px; align-items: flex-start; }
.benefit-item .icon-box {
  width: 40px; height: 40px; border-radius: 12px; background: rgba(217, 154, 61, 0.15);
  border: 1px solid rgba(217, 154, 61, 0.4); color: var(--accent); font-size: 16px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.faq-item {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden; transition: all 0.3s ease;
}
.faq-item.faq-open { background: var(--brand-light); border-color: var(--brand-main); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px; cursor: pointer; font-weight: 600; font-size: 16px;
  user-select: none; min-height: 52px;
}
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer-inner { padding: 0 20px 20px 20px; font-size: 15px; color: var(--muted); line-height: 1.8; }
.faq-chevron { width: 32px; height: 32px; border-radius: 50%; background: rgba(13, 138, 106, 0.08); display: flex; align-items: center; justify-content: center; transition: transform 0.3s ease; color: var(--brand-main); flex-shrink: 0; }
.faq-item.faq-open .faq-chevron { transform: rotate(180deg); background: var(--brand-main); color: #fff; }
.cms-card {
  display: flex; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 18px; transition: all 0.3s ease; height: 100%;
}
.cms-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.cms-card .thumb {
  width: 132px; height: 90px; border-radius: 12px; object-fit: cover; flex-shrink: 0;
}
.cms-card .info { flex: 1; min-width: 0; }
.cms-card .info .title { font-size: 15px; font-weight: 600; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 6px; }
.cms-card .info .desc { font-size: 13px; color: var(--muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cms-card .info .meta { font-size: 12px; color: #8D9893; margin-top: 6px; }
.empty-state {
  border: 2px dashed rgba(12, 43, 37, 0.18); border-radius: 20px;
  padding: 48px 20px; text-align: center; color: var(--muted);
  background: rgba(255, 255, 255, 0.5);
}
@media (max-width: 640px) {
  .cms-card { flex-direction: column; }
  .cms-card .thumb { width: 100%; height: 160px; }
}
.footer-main {
  background: var(--brand-ink); color: rgba(255, 255, 255, 0.75);
  border-top: 3px solid transparent; border-image: linear-gradient(90deg, var(--accent), #F6E3C0, var(--accent)) 1;
}
.footer-main a { color: rgba(255, 255, 255, 0.7); transition: color 0.2s ease; }
.footer-main a:hover { color: var(--accent); }
.footer-title { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255, 255, 255, 0.4); font-weight: 600; margin-bottom: 16px; }
.mobile-menu { display: none; }
@media (max-width: 1024px) {
  .desktop-nav { display: none; }
  .mobile-menu { display: flex; }
  .mobile-drawer { display: none; position: fixed; top: 64px; left: 0; right: 0; background: var(--surface); z-index: 49; padding: 16px; border-bottom: 1px solid var(--line); box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
  .mobile-drawer.open { display: block; }
}
.timeline-item { position: relative; padding-left: 32px; padding-bottom: 40px; }
.timeline-item::before {
  content: ''; position: absolute; left: 8px; top: 8px; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--brand-main), rgba(13, 138, 106, 0.1));
}
.timeline-item::after {
  content: ''; position: absolute; left: 3px; top: 8px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--accent); border: 3px solid #fff;
  box-shadow: 0 0 0 2px rgba(217, 154, 61, 0.4);
}
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.06em;
  color: var(--brand-main); text-transform: uppercase;
}
.section-label::before { content: ''; width: 24px; height: 2px; background: var(--accent); border-radius: 2px; }
.text-decoration-none { text-decoration: none; }
.watermark-rotate::after {
  content: '和记ag'; position: absolute; right: 20px; bottom: 20px; font-size: 80px; font-weight: 900;
  color: rgba(255, 255, 255, 0.07); z-index: 1; pointer-events: none; transform: rotate(-8deg);
  white-space: nowrap; letter-spacing: 0.1em;
}
.category-chip {
  display: inline-flex; align-items: center; padding: 8px 20px; border-radius: 999px;
  border: 1px solid rgba(13, 138, 106, 0.25); background: rgba(209, 239, 226, 0.6);
  color: var(--brand-deep); font-size: 14px; font-weight: 500; transition: all 0.25s ease;
}
.category-chip:hover { background: var(--brand-main); color: #fff; border-color: var(--brand-main); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(13, 138, 106, 0.25); }

/* roulang page: article */
:root {
  --brand-deep: #064E3B;
  --brand-main: #0D8A6A;
  --brand-light: #D1EFE2;
  --brand-ink: #0C2B25;
  --accent: #D99A3D;
  --accent-light: #F6E3C0;
  --accent-ink: #5B3F17;
  --surface: #F6F4EE;
  --ink: #23302D;
  --muted: #64716C;
  --line: rgba(12,43,37,0.10);
  --radius-lg: 24px;
  --radius-md: 12px;
  --shadow-card: 0 6px 20px rgba(6,78,59,0.08);
  --shadow-hover: 0 18px 40px rgba(6,78,59,0.14);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "Heiti SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--surface);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; }

.container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}
@media (min-width: 768px) {
  .container-custom { padding-left: 24px; padding-right: 24px; }
}

/* ===== Header / Nav ===== */
.header-main {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246,244,238,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand-deep), var(--brand-main));
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(6,78,59,0.18);
  flex-shrink: 0;
}
.desktop-nav { gap: 2px; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.2s ease;
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--brand-deep);
  background: var(--brand-light);
}
.nav-link.active {
  color: var(--brand-deep);
  background: var(--brand-light);
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(13,138,106,0.25);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand-deep), var(--brand-main));
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 6px 16px rgba(6,78,59,0.2);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(6,78,59,0.3);
}
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 24px;
  border-radius: 999px;
  background: #fff;
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid rgba(12,43,37,0.15);
  cursor: pointer;
  transition: all 0.25s ease;
}
.btn-secondary:hover {
  border-color: var(--brand-main);
  color: var(--brand-main);
  background: var(--brand-light);
}
.btn-secondary:active { transform: scale(0.98); }
.mobile-menu { cursor: pointer; transition: all 0.2s; }
.mobile-menu:hover { border-color: var(--brand-main) !important; }

/* Mobile nav */
.mobile-nav {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  max-height: calc(100vh - 72px);
  overflow-y: auto;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 8px 16px 20px;
  z-index: 99;
  display: none;
  box-shadow: 0 20px 40px rgba(6,78,59,0.1);
}
.mobile-nav.open { display: block; }
.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 12px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  transition: all 0.2s;
  border-bottom: 1px solid rgba(12,43,37,0.05);
}
.mobile-nav-link:hover { background: var(--brand-light); color: var(--brand-deep); }
.mobile-nav-link.active { color: var(--brand-deep); background: var(--brand-light); font-weight: 600; }
@media (min-width: 1024px) {
  .mobile-nav { display: none !important; }
}

/* ===== Article Hero ===== */
.article-hero {
  background: linear-gradient(135deg, rgba(6,78,59,0.94), rgba(13,138,106,0.78)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  position: relative;
  overflow: hidden;
}
.article-hero::after {
  content: '';
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(217,154,61,0.12);
  filter: blur(60px);
  pointer-events: none;
}
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  padding: 8px 20px;
  font-size: 13px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: rgba(255,255,255,0.85);
  transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep {
  color: rgba(255,255,255,0.4);
  font-size: 12px;
}
.breadcrumb-current {
  color: #fff;
  font-weight: 600;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-hero-inner {
  position: relative;
  z-index: 2;
}

/* ===== Article Main ===== */
.article-main {
  background: var(--surface);
}
.article-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-light);
  color: var(--accent-ink);
  border: 1px solid rgba(217,154,61,0.3);
  border-radius: 999px;
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}
.article-title {
  font-size: 28px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--brand-deep);
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
@media (min-width: 768px) {
  .article-title { font-size: 40px; line-height: 1.25; }
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 14px;
  color: var(--muted);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}
.meta-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(100,113,108,0.4);
  flex-shrink: 0;
}

/* ===== Article Content ===== */
.article-content {
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 720px;
  margin: 0 auto;
}
.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--brand-deep);
  margin: 44px 0 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--brand-light);
  scroll-margin-top: 96px;
  letter-spacing: -0.01em;
}
.article-content h2::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 22px;
  background: linear-gradient(180deg, var(--brand-main), var(--brand-deep));
  border-radius: 3px;
  margin-right: 10px;
  vertical-align: -3px;
}
.article-content h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  margin: 32px 0 12px;
  scroll-margin-top: 96px;
}
.article-content p {
  margin-bottom: 22px;
  line-height: 1.85;
}
.article-content a {
  color: var(--brand-main);
  border-bottom: 1px solid rgba(13,138,106,0.3);
  transition: all 0.2s;
}
.article-content a:hover {
  color: var(--brand-deep);
  border-bottom-color: var(--brand-deep);
}
.article-content blockquote {
  border-left: 4px solid var(--brand-main);
  background: var(--brand-light);
  border-radius: 0 14px 14px 0;
  padding: 18px 24px;
  margin: 28px 0;
  color: var(--brand-deep);
  font-size: 15px;
  line-height: 1.8;
}
.article-content ul {
  padding-left: 0;
  margin: 16px 0 24px;
  list-style: none;
}
.article-content ul li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  line-height: 1.8;
}
.article-content ul li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--brand-main);
  transform: rotate(45deg);
}
.article-content ol {
  padding-left: 0;
  margin: 16px 0 24px;
  list-style: none;
  counter-reset: article-ol;
}
.article-content ol li {
  counter-increment: article-ol;
  padding-left: 30px;
  margin-bottom: 10px;
  position: relative;
  line-height: 1.8;
}
.article-content ol li::before {
  content: counter(article-ol, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: 15px;
}
.article-content img {
  border-radius: 16px;
  margin: 28px 0;
  box-shadow: var(--shadow-card);
}
.article-content img + em {
  display: block;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin-top: -16px;
  margin-bottom: 28px;
  font-style: normal;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 14px;
  line-height: 1.6;
  border-radius: 12px;
  overflow: hidden;
}
.article-content table th,
.article-content table td {
  border: 1px solid var(--line);
  padding: 12px 16px;
  text-align: left;
}
.article-content table th {
  background: var(--brand-light);
  color: var(--brand-deep);
  font-weight: 600;
  font-size: 14px;
}
.article-content table tr:nth-child(even) {
  background: rgba(13,138,106,0.04);
}
.article-content code {
  background: var(--brand-light);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 14px;
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  color: var(--brand-deep);
}
.article-content pre {
  background: var(--brand-ink);
  color: #E6F4EE;
  border-radius: 14px;
  padding: 20px 24px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
  margin: 28px 0;
}
.article-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}
.article-content hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 40px 0;
}

/* ===== Not Found ===== */
.not-found {
  text-align: center;
  padding: 64px 24px;
  background: #fff;
  border: 2px dashed var(--line);
  border-radius: var(--radius-lg);
}
.not-found-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--brand-light);
  color: var(--brand-main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}
.not-found h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--brand-deep);
  margin-bottom: 10px;
}
.not-found p {
  color: var(--muted);
  margin-bottom: 24px;
}

/* ===== Related Section ===== */
.related-section {
  background: #fff;
  border-top: 1px solid var(--line);
}
.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}
.section-title h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--brand-deep);
  position: relative;
  padding-left: 16px;
}
.section-title h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 5px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--accent), var(--accent-light));
}
.view-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--brand-main);
  transition: all 0.2s;
}
.view-all:hover {
  color: var(--brand-deep);
  gap: 12px;
}
.related-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-card);
  display: block;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(13,138,106,0.25);
}
.related-card-img {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}
.related-card-lg .related-card-img {
  min-height: 240px;
}
.related-card-sm .related-card-img {
  min-height: 180px;
}
.related-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,78,59,0.15), transparent 60%);
  pointer-events: none;
}
.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--accent-light);
  color: var(--accent-ink);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 600;
}
.related-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--brand-deep);
  line-height: 1.4;
  margin: 12px 0 10px;
  transition: color 0.2s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card:hover h3 { color: var(--brand-main); }
.related-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-main);
  transition: all 0.2s;
}
.related-card:hover .related-more { gap: 10px; color: var(--brand-deep); }

/* ===== Return CTA ===== */
.return-section {
  background: var(--brand-ink);
  position: relative;
  overflow: hidden;
}
.return-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,138,106,0.15), rgba(255,255,255,0) 60%);
  pointer-events: none;
}
.return-inner {
  position: relative;
  z-index: 2;
  padding-top: 48px;
  padding-bottom: 48px;
  text-align: center;
}
@media (min-width: 768px) {
  .return-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
  }
}
.return-inner h2 {
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}
.return-inner p {
  color: rgba(255,255,255,0.55);
  font-size: 14px;
}

/* ===== Footer ===== */
.footer-main {
  background: var(--brand-ink);
}
.footer-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: none;
  color: rgba(255,255,255,0.4);
  margin-bottom: 16px;
}
.footer-main ul li a {
  color: rgba(255,255,255,0.6);
  transition: all 0.2s;
}
.footer-main ul li a:hover {
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

/* ===== Focus states ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .desktop-nav { gap: 0; }
  .nav-link { padding: 8px 10px; font-size: 13px; }
}
@media (max-width: 768px) {
  .article-meta { gap: 6px 12px; font-size: 13px; }
  .article-content { font-size: 15px; }
  .article-content h2 { font-size: 21px; }
  .article-content blockquote { padding: 14px 18px; }
  .section-title h2 { font-size: 20px; }
  .related-card h3 { font-size: 16px; }
}
@media (max-width: 520px) {
  .breadcrumb { font-size: 12px; gap: 6px; padding: 6px 14px; }
  .breadcrumb-current { max-width: 160px; }
  .article-title { font-size: 24px; }
  .return-inner h2 { font-size: 19px; }
}

/* roulang page: category1 */
:root {
            --brand-deep: #064E3B;
            --brand-main: #0D8A6A;
            --brand-light: #D1EFE2;
            --brand-ink: #0C2B25;
            --accent: #D99A3D;
            --accent-light: #F6E3C0;
            --accent-ink: #5B3F17;
            --surface: #F6F4EE;
            --ink: #23302D;
            --muted: #64716C;
            --line: rgba(12, 43, 37, 0.10);
            --radius-lg: 24px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 6px 20px rgba(6, 78, 59, 0.08);
            --shadow-hover: 0 18px 40px rgba(6, 78, 59, 0.14);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Heiti SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--surface);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== Header / Nav ========== */
        .header-main {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(246, 244, 238, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(12, 43, 37, 0.08);
            transition: box-shadow 0.25s;
        }

        .header-main.scrolled {
            box-shadow: 0 6px 24px rgba(6, 78, 59, 0.08);
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--brand-deep) 0%, var(--brand-main) 100%);
            color: #fff;
            font-size: 19px;
            font-weight: 900;
            box-shadow: 0 4px 12px rgba(6, 78, 59, 0.25);
            flex-shrink: 0;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        @media (max-width: 1023px) {
            .desktop-nav {
                display: none;
            }
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--muted);
            transition: all 0.2s;
            min-height: 40px;
            border: 1px solid transparent;
        }

        .nav-link:hover {
            color: var(--brand-main);
            background: rgba(13, 138, 106, 0.07);
        }

        .nav-link.active {
            color: var(--brand-deep);
            background: rgba(13, 138, 106, 0.13);
            font-weight: 600;
            border-color: rgba(13, 138, 106, 0.12);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            background: linear-gradient(135deg, var(--brand-deep) 0%, var(--brand-main) 100%);
            color: #fff;
            border-radius: 999px;
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            box-shadow: 0 6px 18px rgba(6, 78, 59, 0.2);
            transition: all 0.25s;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(6, 78, 59, 0.3);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            min-height: 44px;
            border: 1px solid rgba(12, 43, 37, 0.16);
            background: rgba(255, 255, 255, 0.75);
            color: var(--brand-deep);
            border-radius: 999px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.2s;
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: #fff;
            border-color: var(--brand-main);
            color: var(--brand-main);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .mobile-menu {
            display: flex;
        }

        @media (min-width: 1024px) {
            .mobile-menu {
                display: none;
            }
        }

        .mobile-menu-panel {
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: var(--surface);
            padding: 20px 16px 24px;
            z-index: 99;
            border-bottom: 1px solid rgba(12, 43, 37, 0.1);
            box-shadow: 0 16px 32px rgba(12, 43, 37, 0.08);
            display: none;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu-panel.open {
            display: flex;
        }

        .mobile-menu-panel .nav-link {
            padding: 12px 16px;
            font-size: 15px;
            min-height: 48px;
        }

        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            overflow: hidden;
            padding: 64px 0 56px;
            border-bottom: 1px solid rgba(12, 43, 37, 0.06);
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, var(--surface) 30%, rgba(209, 239, 226, 0.92) 100%);
        }

        .category-hero .container-custom {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-capsule {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid var(--line);
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 20px;
        }

        .breadcrumb-capsule a {
            color: var(--brand-main);
        }

        .category-hero h1 {
            font-size: 44px;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--brand-deep);
            margin-bottom: 16px;
        }

        .category-hero .hero-sub {
            font-size: 19px;
            font-weight: 600;
            color: var(--ink);
            line-height: 1.55;
            margin-bottom: 16px;
        }

        .category-hero .hero-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--muted);
            max-width: 520px;
        }

        .hero-image-wrap {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 20px 48px rgba(6, 78, 59, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .hero-image-wrap img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 40px 0 36px;
            }
            .category-hero h1 {
                font-size: 31px;
            }
            .category-hero .hero-sub {
                font-size: 16px;
            }
            .hero-image-wrap img {
                height: 220px;
            }
        }

        /* ========== Section Head ========== */
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            background: var(--accent-light);
            color: var(--accent-ink);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--brand-deep);
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 23px;
            }
        }

        .section-sub {
            color: var(--muted);
            font-size: 15px;
            max-width: 420px;
        }

        /* ========== Timeline / Milestone ========== */
        .milestone-section {
            padding: 80px 0;
        }

        .milestone-section .section-head-row {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 44px;
        }

        .timeline-wrap {
            position: relative;
            max-width: 820px;
            margin: 0 auto;
        }

        .timeline-wrap::before {
            content: "";
            position: absolute;
            left: 18px;
            top: 0;
            bottom: 0;
            width: 2px;
            border-radius: 2px;
            background: linear-gradient(to bottom, rgba(13, 138, 106, 0.35), rgba(13, 138, 106, 0.04));
        }

        @media (min-width: 1024px) {
            .timeline-wrap::before {
                left: 50%;
                transform: translateX(-50%);
            }
        }

        .timeline-item {
            position: relative;
            padding-left: 56px;
            margin-bottom: 36px;
        }

        @media (min-width: 1024px) {
            .timeline-item {
                width: 50%;
                padding-left: 0;
                margin-bottom: 48px;
            }
            .timeline-item:nth-child(odd) {
                padding-right: 52px;
                text-align: right;
            }
            .timeline-item:nth-child(even) {
                margin-left: 50%;
                padding-left: 52px;
            }
        }

        .timeline-dot {
            position: absolute;
            left: 10px;
            top: 28px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            border: 3px solid #fff;
            background: var(--brand-main);
            box-shadow: 0 0 0 4px rgba(13, 138, 106, 0.15);
            z-index: 1;
        }

        @media (min-width: 1024px) {
            .timeline-dot {
                left: auto;
                right: -9px;
                top: 32px;
            }
            .timeline-item:nth-child(even) .timeline-dot {
                left: -9px;
                right: auto;
            }
        }

        .milestone-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 22px;
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s, box-shadow 0.25s;
        }

        .milestone-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .milestone-number {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 999px;
            background: var(--brand-deep);
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            letter-spacing: 0.05em;
            font-variant-numeric: tabular-nums;
            margin-bottom: 14px;
        }

        .milestone-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--brand-deep);
            margin-bottom: 10px;
        }

        .milestone-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--muted);
        }

        @media (max-width: 1023px) {
            .timeline-item {
                padding-left: 52px;
            }
            .timeline-dot {
                left: 10px;
                right: auto;
            }
        }

        /* ========== Overview / Stats ========== */
        .overview-section {
            padding: 80px 0;
            background: linear-gradient(to bottom, var(--surface), rgba(209, 239, 226, 0.35));
        }

        .overview-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 28px;
            padding: 40px;
            box-shadow: var(--shadow-sm);
        }

        .overview-card h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--brand-deep);
            margin-bottom: 16px;
        }

        .overview-card .desc {
            font-size: 15px;
            line-height: 1.9;
            color: var(--muted);
            margin-bottom: 28px;
        }

        .stat-card {
            border: 1px solid var(--line);
            border-radius: 18px;
            padding: 22px 20px;
            background: linear-gradient(135deg, rgba(209, 239, 226, 0.25), #fff);
            transition: transform 0.2s, box-shadow 0.2s;
            text-align: center;
        }

        .stat-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 900;
            color: var(--brand-deep);
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }

        .stat-number span {
            color: var(--accent);
        }

        .stat-label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 6px;
        }

        .stat-note {
            font-size: 12px;
            color: rgba(100, 113, 108, 0.8);
            margin-top: 18px;
            line-height: 1.7;
        }

        /* ========== Capability Cards ========== */
        .capability-section {
            padding: 80px 0;
        }

        .capability-section .section-head-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 40px;
        }

        .capability-card {
            border: 1px solid var(--line);
            border-radius: 22px;
            padding: 32px;
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s, box-shadow 0.25s;
            height: 100%;
        }

        .capability-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .cap-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: linear-gradient(135deg, var(--brand-deep), var(--brand-main));
            color: #fff;
            margin-bottom: 22px;
            box-shadow: 0 8px 20px rgba(6, 78, 59, 0.2);
        }

        .capability-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-deep);
            margin-bottom: 10px;
        }

        .capability-card .cap-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .capability-card ul {
            list-style: none;
            padding: 0;
        }

        .capability-card ul li {
            font-size: 13px;
            color: var(--ink);
            padding: 4px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .capability-card ul li::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            margin-top: 9px;
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 80px 0;
            background: rgba(209, 239, 226, 0.2);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
        }

        @media (min-width: 1024px) {
            .faq-layout {
                grid-template-columns: 1fr 2fr;
            }
        }

        .faq-side .section-title {
            margin-bottom: 14px;
        }

        .faq-side p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 18px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color 0.2s, background 0.2s;
        }

        .faq-item.open {
            border-color: var(--brand-main);
            background: rgba(209, 239, 226, 0.25);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            width: 100%;
            padding: 18px 22px;
            background: transparent;
            border: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
            min-height: 48px;
            transition: color 0.2s;
        }

        .faq-question:hover {
            color: var(--brand-main);
        }

        .faq-question i {
            font-size: 14px;
            color: var(--muted);
            transition: transform 0.3s;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--brand-main);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer p {
            padding: 0 22px 20px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--muted);
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0;
        }

        .cta-dark-card {
            position: relative;
            overflow: hidden;
            border-radius: 28px;
            background: var(--brand-ink);
            padding: 52px;
            box-shadow: 0 24px 60px rgba(6, 78, 59, 0.3);
            border: 1px solid rgba(217, 154, 61, 0.4);
        }

        .cta-dark-card::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.16;
        }

        .cta-dark-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }

        .cta-dark-card .container-inner {
            position: relative;
            z-index: 2;
        }

        .cta-dark-card h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .cta-dark-card .cta-text {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .benefit-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .benefit-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .benefit-list .benefit-icon {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: rgba(217, 154, 61, 0.18);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        .benefit-list .benefit-title {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
        }

        .benefit-list .benefit-desc {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            line-height: 1.6;
        }

        .cta-form-card {
            background: #fff;
            border-radius: 22px;
            padding: 32px;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
        }

        .cta-form-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--brand-deep);
            margin-bottom: 6px;
        }

        .cta-form-card .form-subtitle {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 22px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            border: 1px solid rgba(12, 43, 37, 0.12);
            border-radius: 12px;
            padding: 12px 14px;
            font-size: 14px;
            background: #faf9F7;
            transition: border-color 0.2s, box-shadow 0.2s;
            outline: none;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--brand-main);
            box-shadow: 0 0 0 3px rgba(13, 138, 106, 0.12);
            background: #fff;
        }

        .form-group textarea {
            min-height: 80px;
            resize: vertical;
        }

        .form-success {
            display: none;
            padding: 14px;
            background: var(--brand-light);
            border-radius: 12px;
            color: var(--brand-deep);
            font-size: 14px;
            text-align: center;
            margin-bottom: 16px;
        }

        @media (max-width: 768px) {
            .cta-dark-card {
                padding: 32px 22px;
            }
            .cta-dark-card h2 {
                font-size: 23px;
            }
        }

        /* ========== Category Links ========== */
        .category-links-section {
            padding: 20px 0 64px;
        }

        .category-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .category-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 24px;
            min-height: 44px;
            border-radius: 999px;
            border: 1px solid var(--line);
            background: #fff;
            font-size: 14px;
            font-weight: 500;
            color: var(--muted);
            transition: all 0.2s;
        }

        .category-links a:hover {
            border-color: var(--brand-main);
            color: var(--brand-deep);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .category-links a.active {
            background: var(--brand-deep);
            color: #fff;
            border-color: var(--brand-deep);
            font-weight: 600;
        }

        .category-links a i {
            font-size: 13px;
            opacity: 0.7;
        }

        /* ========== Footer ========== */
        .footer-main {
            background: var(--brand-ink);
            position: relative;
            border-top: 2px solid transparent;
            background-image: linear-gradient(var(--brand-ink), var(--brand-ink)), linear-gradient(90deg, transparent, rgba(217, 154, 61, 0.7), transparent);
            background-origin: padding-box, border-box;
            background-clip: padding-box, border-box;
        }

        .footer-title {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.4);
            margin-bottom: 16px;
        }

        .footer-main ul li a {
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s;
            display: inline-flex;
            align-items: center;
        }

        .footer-main ul li a:hover {
            color: var(--accent);
        }

        .footer-main ul li {
            color: rgba(255, 255, 255, 0.55);
            display: flex;
            align-items: center;
        }

        .footer-bottom {
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ========== Focus visible ========== */
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

/* roulang page: category2 */
:root {
  --brand-deep: #064E3B;
  --brand-main: #0D8A6A;
  --brand-light: #D1EFE2;
  --brand-ink: #0C2B25;
  --accent: #D99A3D;
  --accent-light: #F6E3C0;
  --accent-ink: #5B3F17;
  --surface: #F6F4EE;
  --ink: #23302D;
  --muted: #64716C;
  --line: rgba(12,43,37,0.10);
  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 6px 20px rgba(6,78,59,0.08);
  --shadow-hover: 0 18px 40px rgba(6,78,59,0.14);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "Heiti SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--surface);
  color: var(--ink);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.3; color: var(--brand-ink); }
.container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
@media (min-width: 768px) {
  .container-custom { padding-left: 32px; padding-right: 32px; }
}
.header-main {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246,244,238,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(12,43,37,0.06);
  box-shadow: 0 1px 0 rgba(12,43,37,0.02);
  transition: box-shadow 0.3s;
}
.header-main.is-scrolled { box-shadow: 0 4px 24px rgba(6,78,59,0.08); }
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--brand-deep), var(--brand-main));
  color: #fff;
  font-size: 19px;
  font-weight: 800;
  border-radius: 12px;
  box-shadow: 0 3px 12px rgba(6,78,59,0.18);
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.25s;
  min-height: 36px;
}
.nav-link i { opacity: 0.55; font-size: 12px; transition: opacity 0.2s; }
.nav-link:hover { color: var(--brand-main); background: rgba(13,138,106,0.07); }
.nav-link:hover i { opacity: 0.9; }
.nav-link.active { color: var(--brand-deep); background: rgba(13,138,106,0.1); font-weight: 600; }
.nav-link.active::after {
  content: '';
  display: block;
  width: 18px;
  height: 3px;
  background: var(--accent);
  border-radius: 99px;
  margin: 0 auto;
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
}
.nav-link { position: relative; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--brand-deep), var(--brand-main));
  box-shadow: 0 4px 16px rgba(6,78,59,0.22);
  transition: all 0.3s;
  border: none;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(6,78,59,0.3); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(6,78,59,0.2); }
.btn-primary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-deep);
  background: #fff;
  border: 1px solid rgba(12,43,37,0.15);
  transition: all 0.3s;
}
.btn-secondary:hover { border-color: var(--brand-main); color: var(--brand-main); background: rgba(255,255,255,0.95); box-shadow: 0 4px 16px rgba(6,78,59,0.08); }
.btn-secondary:active { transform: translateY(0); }
.btn-secondary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.inner-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(6,78,59,0.97), rgba(13,138,106,0.92)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.inner-hero::after {
  content: '';
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50%;
}
.inner-hero::before {
  content: '';
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 50%;
}
.page-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  color: #fff;
  margin-bottom: 16px;
  backdrop-filter: blur(4px);
}
.inner-hero h1 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
}
@media (min-width: 1024px) {
  .inner-hero h1 { font-size: 48px; }
}
.inner-hero-sub {
  font-size: 15px;
  line-height: 1.9;
  color: rgba(255,255,255,0.8);
  max-width: 540px;
  margin-top: 14px;
}
@media (min-width: 768px) {
  .inner-hero-sub { font-size: 16px; }
}
.toc-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s;
}
.toc-card:hover { box-shadow: var(--shadow-hover); }
.toc-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-ink);
  letter-spacing: 1px;
  padding-bottom: 14px;
  margin-bottom: 6px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
  text-transform: uppercase;
}
.toc-card ul { list-style: none; }
.toc-card ul li { margin-bottom: 2px; }
.toc-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.22s;
  min-height: 40px;
}
.toc-link::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(13,138,106,0.24);
  transition: all 0.22s;
}
.toc-link:hover { background: rgba(13,138,106,0.06); color: var(--brand-main); }
.toc-link:hover::before { background: var(--brand-main); }
.toc-link.active { background: rgba(13,138,106,0.1); color: var(--brand-deep); font-weight: 600; }
.toc-link.active::before { background: var(--accent); }
.sector-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-card);
  transition: all 0.3s;
  scroll-margin-top: 120px;
}
.sector-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.sector-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
  margin-right: 14px;
}
.sector-card h3 {
  font-size: 19px;
  color: var(--brand-deep);
  margin: 0;
}
.sector-desc {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink);
  margin-top: 16px;
}
.sector-point {
  background: var(--surface);
  border: 1px solid rgba(12,43,37,0.06);
  border-radius: 14px;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--brand-deep);
  transition: all 0.25s;
}
.sector-point i {
  font-size: 18px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13,138,106,0.08);
  border-radius: 12px;
  color: var(--brand-main);
}
.sector-point:hover { background: var(--brand-light); border-color: rgba(13,138,106,0.2); }
.workflow-section {
  background: var(--brand-ink);
  border-radius: 32px;
  position: relative;
  overflow: hidden;
}
.workflow-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity: 0.08;
  pointer-events: none;
}
.workflow-step {
  position: relative;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 24px;
  transition: all 0.3s;
}
.workflow-step:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.16); }
.workflow-step .step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--accent-ink);
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 12px;
}
.workflow-step h4 { color: #fff; font-size: 16px; margin-bottom: 8px; }
.workflow-step p { color: rgba(255,255,255,0.6); font-size: 13px; line-height: 1.75; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.3s;
}
.faq-item.open { background: rgba(13,138,106,0.04); border-color: rgba(13,138,106,0.2); box-shadow: 0 4px 16px rgba(6,78,59,0.06); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--brand-ink);
  transition: all 0.25s;
  min-height: 44px;
  text-align: left;
}
.faq-question:hover { color: var(--brand-main); }
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  transition: transform 0.3s;
  flex-shrink: 0;
  font-size: 11px;
  color: var(--muted);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--brand-light); color: var(--brand-main); border-color: rgba(13,138,106,0.3); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.3s; padding: 0 20px; }
.faq-item.open .faq-answer { max-height: 500px; padding: 0 20px 18px; }
.faq-answer p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
  border-left: 3px solid var(--brand-light);
  padding-left: 14px;
}
.cta-card {
  background: linear-gradient(135deg, rgba(12,43,37,0.98), rgba(6,78,59,0.96)), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-radius: 32px;
  border: 1px solid rgba(217,154,61,0.3);
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.benefit-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 14px 16px;
  transition: all 0.25s;
}
.benefit-item:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.16); }
.benefit-item .b-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--accent-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}
.benefit-item h5 { color: #fff; font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.benefit-item p { color: rgba(255,255,255,0.55); font-size: 12px; line-height: 1.6; }
.form-card {
  background: #fff;
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.18);
}
.form-card label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-deep);
  margin-bottom: 6px;
}
.form-card .form-input {
  width: 100%;
  border: 1px solid rgba(12,43,37,0.12);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--ink);
  background: #fbfaf7;
  transition: all 0.25s;
  outline: none;
  min-height: 44px;
}
.form-card .form-input:focus {
  border-color: var(--brand-main);
  box-shadow: 0 0 0 3px rgba(13,138,106,0.12);
  background: #fff;
}
.form-card .form-input::-webkit-input-placeholder { color: #a8b4b0; }
.chip-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-deep);
  transition: all 0.25s;
  min-height: 42px;
  box-shadow: var(--shadow-card);
}
.chip-link:hover { border-color: var(--brand-main); color: var(--brand-main); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.chip-link.active { background: var(--brand-deep); color: #fff; border-color: var(--brand-deep); }
.chip-link.active:hover { color: #fff; background: var(--brand-main); }
.footer-main {
  background: var(--brand-ink);
  border-top: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--accent), var(--accent-light)) 1;
}
.footer-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 18px;
}
.footer-main a { color: rgba(255,255,255,0.55); transition: all 0.2s; }
.footer-main a:hover { color: var(--accent); }
.mobile-menu-panel {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 20px;
  z-index: 99;
  box-shadow: 0 12px 32px rgba(6,78,59,0.12);
}
.mobile-menu-panel.open { display: block; }
.mobile-menu-panel a {
  display: block;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 4px;
}
.mobile-menu-panel a i { margin-right: 8px; color: var(--brand-main); }
.mobile-menu-panel a.active { background: rgba(13,138,106,0.08); color: var(--brand-deep); font-weight: 600; }
.mobile-menu-panel a:hover { background: rgba(13,138,106,0.06); }
@media (min-width: 1024px) { .desktop-nav { display: flex; } .mobile-menu { display: none !important; } }
@media (max-width: 1023.98px) { .desktop-nav { display: none; } .mobile-menu { display: flex; } .mobile-menu-panel { display: none; } .mobile-menu-panel.open { display: block; } }
@media (max-width: 767.98px) {
  .inner-hero h1 { font-size: 28px; }
  .sector-card { padding: 22px; }
  .cta-card { border-radius: 24px; }
  .form-card { padding: 22px; }
  .workflow-section { border-radius: 24px; }
  .toc-card { position: static; }
  .toc-card ul { display: flex; flex-wrap: wrap; gap: 4px; }
  .toc-link { padding: 8px 12px; font-size: 13px; }
  .toc-link::before { display: none; }
}

/* roulang page: category3 */
:root{
  --brand-deep:#064E3B;
  --brand-main:#0D8A6A;
  --brand-light:#D1EFE2;
  --brand-ink:#0C2B25;
  --accent:#D99A3D;
  --accent-light:#F6E3C0;
  --accent-ink:#5B3F17;
  --surface:#F6F4EE;
  --ink:#23302D;
  --muted:#64716C;
  --line:rgba(12,43,37,0.10);
  --radius-xl:26px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 6px 20px rgba(6,78,59,0.08);
  --shadow-lg:0 18px 40px rgba(6,78,59,0.14);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,"PingFang SC","Heiti SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--surface);
  color:var(--ink);
  line-height:1.75;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{border:none;background:none;font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;}
.container-custom{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section-pad{padding:80px 0;}
@media(max-width:768px){.section-pad{padding:52px 0;}.container-custom{padding-left:16px;padding-right:16px;}}

/* 徽章 */
.logo-icon{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand-main));
  color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(6,78,59,0.25);
  letter-spacing:0;
}

/* 导航 */
.header-main{
  position:sticky;top:0;z-index:50;
  background:rgba(246,244,238,0.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s;
}
.header-main.scrolled{box-shadow:0 8px 30px rgba(6,78,59,0.08);}
.desktop-nav{display:none;}
@media(min-width:1024px){
  .desktop-nav{display:flex;}
  .mobile-menu-btn{display:none!important;}
}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--ink);
  transition:all .2s;white-space:nowrap;min-height:44px;
}
.nav-link i{color:var(--muted);transition:color .2s;}
.nav-link:hover{background:rgba(13,138,106,0.08);color:var(--brand-deep);}
.nav-link:hover i{color:var(--brand-main);}
.nav-link.active{
  background:rgba(13,138,106,0.12);
  color:var(--brand-deep);font-weight:700;
  box-shadow:inset 0 -2px 0 var(--brand-main);
}
.nav-link.active i{color:var(--brand-main);}
.mobile-menu-btn{
  display:flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--brand-deep);
  font-size:16px;
}
.mobile-drawer{
  display:none;
  padding:0 16px 20px;
  border-bottom:1px solid var(--line);
  background:rgba(246,244,238,0.97);
}
.mobile-drawer.open{display:block;}
.mobile-drawer .drawer-links{
  display:flex;flex-direction:column;gap:4px;
  padding:12px 0 16px;
}
.mobile-drawer .drawer-links a{
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--ink);
  min-height:44px;transition:all .2s;
}
.mobile-drawer .drawer-links a:hover{background:rgba(13,138,106,0.08);color:var(--brand-deep);}
.mobile-drawer .drawer-links a.active{background:rgba(13,138,106,0.12);color:var(--brand-deep);font-weight:700;}

/* 按钮 */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand-main));
  color:#fff;font-weight:700;font-size:15px;
  padding:14px 30px;border-radius:999px;
  min-height:46px;transition:all .25s;
  box-shadow:0 6px 18px rgba(6,78,59,0.25);
  border:1px solid rgba(255,255,255,0.15);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(6,78,59,0.35);}
.btn-primary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:rgba(255,255,255,0.85);color:var(--brand-deep);font-weight:600;font-size:15px;
  padding:13px 28px;border-radius:999px;min-height:46px;
  border:1px solid rgba(6,78,59,0.18);transition:all .25s;
}
.btn-secondary:hover{border-color:var(--brand-main);background:#fff;box-shadow:0 6px 16px rgba(6,78,59,0.08);}
.btn-secondary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* 分类 Hero */
.cat-hero{
  position:relative;
  background:
    linear-gradient(135deg,rgba(6,78,59,0.94),rgba(13,138,106,0.82)),
    url('/assets/images/backpic/back-2.webp') center/cover;
  padding:88px 0;
  color:#fff;
  overflow:hidden;
}
.cat-hero::after{
  content:'';position:absolute;right:-80px;bottom:-120px;
  width:360px;height:360px;border-radius:50%;
  background:rgba(217,154,61,0.18);
  filter:blur(40px);pointer-events:none;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,0.14);
  border:1px solid rgba(255,255,255,0.25);
  color:#fff;font-size:12px;font-weight:700;letter-spacing:1px;
  padding:6px 16px;border-radius:999px;margin-bottom:20px;
  backdrop-filter:blur(4px);
}
.cat-hero h1{
  font-size:48px;font-weight:900;line-height:1.2;letter-spacing:1px;
  margin-bottom:18px;color:#fff;
}
.cat-hero .hero-sub{
  font-size:16px;line-height:1.8;color:rgba(255,255,255,0.9);
  max-width:520px;margin-bottom:0;
}
.hero-img-wrap{
  position:relative;border-radius:24px;
  overflow:hidden;box-shadow:0 20px 50px rgba(6,78,59,0.4);
  transform:rotate(1deg);transition:transform .3s;
}
.hero-img-wrap:hover{transform:rotate(0deg) scale(1.01);}
.hero-img-wrap img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-img-wrap::after{
  content:'';position:absolute;inset:0;
  border:1px solid rgba(255,255,255,0.2);border-radius:24px;pointer-events:none;
}
@media(max-width:1024px){
  .cat-hero{padding:60px 0;}
  .cat-hero h1{font-size:36px;}
}
@media(max-width:520px){
  .cat-hero h1{font-size:29px;}
}

/* 板块标题 */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:36px;
}
.section-head h2{
  font-size:30px;font-weight:800;color:var(--brand-ink);
  letter-spacing:.5px;line-height:1.25;
}
.section-head .head-note{
  font-size:14px;color:var(--muted);
}
.section-head .head-link{
  font-size:14px;font-weight:600;color:var(--brand-main);
  display:inline-flex;align-items:center;gap:6px;min-height:44px;
  transition:gap .2s;
}
.section-head .head-link:hover{gap:10px;}
@media(max-width:768px){
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head h2{font-size:24px;}
}

/* 精选大图 */
.featured-card{
  display:grid;grid-template-columns:55% 1fr;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-xl);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:box-shadow .3s,transform .3s;
}
.featured-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);}
.featured-card .featured-img{position:relative;min-height:260px;}
.featured-card .featured-img img{
  width:100%;height:100%;object-fit:cover;position:absolute;inset:0;
}
.featured-card .featured-img::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,transparent 60%,rgba(12,43,37,0.25));
}
.featured-body{
  padding:40px 44px;display:flex;flex-direction:column;justify-content:center;gap:14px;
}
.featured-body h2{
  font-size:24px;font-weight:800;line-height:1.35;color:var(--brand-ink);
}
.featured-body p{font-size:15px;color:var(--muted);line-height:1.8;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand-main);font-weight:700;font-size:14px;
  min-height:44px;transition:gap .2s;
}
.text-link:hover{gap:12px;color:var(--brand-deep);}
.badge{
  display:inline-flex;align-items:center;
  background:var(--accent-light);color:var(--accent-ink);
  font-size:12px;font-weight:700;
  padding:5px 14px;border-radius:999px;
  border:1px solid rgba(217,154,61,0.3);
  width:fit-content;
}
.badge.green{background:var(--brand-light);color:var(--brand-deep);border-color:rgba(13,138,106,0.3);}
@media(max-width:900px){
  .featured-card{grid-template-columns:1fr;}
  .featured-card .featured-img{aspect-ratio:16/9;position:relative;min-height:auto;}
  .featured-card .featured-img img{position:absolute;}
  .featured-body{padding:28px;}
  .featured-body h2{font-size:20px;}
}

/* 资讯列表 */
.news-list{display:flex;flex-direction:column;gap:22px;}
.news-item{
  display:grid;grid-template-columns:150px 1fr;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:18px;gap:22px;
  transition:box-shadow .25s,transform .25s,border-color .25s;
}
.news-item:hover{box-shadow:var(--shadow-sm);transform:translateY(-3px);border-color:rgba(13,138,106,0.2);}
.news-thumb{border-radius:14px;overflow:hidden;aspect-ratio:16/10;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.news-item:hover .news-thumb img{transform:scale(1.05);}
.news-body{display:flex;flex-direction:column;gap:8px;justify-content:center;}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.news-date{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.3px;}
.news-body h3{font-size:18px;font-weight:700;color:var(--brand-ink);line-height:1.4;}
.news-body p{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-main);font-size:13px;font-weight:700;
  min-height:40px;transition:gap .2s;
}
.news-more:hover{gap:10px;color:var(--brand-deep);}
@media(max-width:768px){
  .news-item{grid-template-columns:120px 1fr;padding:14px;gap:14px;}
  .news-body h3{font-size:16px;}
  .news-body p{font-size:13px;-webkit-line-clamp:3;}
}
@media(max-width:520px){
  .news-item{grid-template-columns:1fr;}
  .news-thumb{aspect-ratio:16/8;width:100%;}
}

/* 媒体合作 */
.media-box{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:44px 48px;
  display:grid;grid-template-columns:1fr auto;gap:40px;
  align-items:center;
  box-shadow:var(--shadow-sm);
}
.media-box h2{font-size:26px;font-weight:800;color:var(--brand-ink);margin-bottom:12px;}
.media-box p{font-size:14px;color:var(--muted);line-height:1.8;max-width:600px;}
.media-contact{
  display:flex;flex-direction:column;gap:16px;align-items:flex-start;
}
.media-contact .mail-line{
  display:flex;align-items:center;gap:10px;
  font-size:15px;font-weight:600;color:var(--brand-ink);
  background:var(--surface);border:1px solid var(--line);
  padding:12px 22px;border-radius:14px;
}
.media-contact .mail-line i{color:var(--brand-main);}
@media(max-width:900px){
  .media-box{grid-template-columns:1fr;padding:30px;}
}

/* FAQ */
.faq-intro h2{font-size:28px;font-weight:800;color:var(--brand-ink);line-height:1.3;margin-bottom:14px;}
.faq-intro p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:20px;}
.faq-wrap{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;transition:all .3s;
}
.faq-item.open{border-color:var(--brand-main);background:rgba(209,239,226,0.25);}
.faq-question{
  width:100%;display:flex;justify-content:space-between;align-items:center;
  padding:18px 24px;font-size:16px;font-weight:600;color:var(--ink);
  text-align:left;min-height:56px;transition:color .2s;
}
.faq-question:hover{color:var(--brand-deep);}
.faq-question i{color:var(--brand-main);transition:transform .35s;font-size:14px;}
.faq-item.open .faq-question i{transform:rotate(180deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;}
.faq-answer p{
  padding:0 24px 24px;font-size:14px;color:var(--muted);line-height:1.8;
  border-top:1px dashed rgba(12,43,37,0.08);
  padding-top:16px;
}
.faq-item.open .faq-answer{max-height:400px;}

/* CTA */
.cta-card{
  background:
    linear-gradient(135deg,rgba(12,43,37,0.97),rgba(6,78,59,0.92)),
    url('/assets/images/backpic/back-1.png') center/cover;
  border-radius:var(--radius-xl);
  padding:56px 60px;
  display:grid;grid-template-columns:1fr 420px;gap:48px;
  align-items:center;color:#fff;
  box-shadow:0 24px 60px rgba(6,78,59,0.3);
  border:1px solid rgba(217,154,61,0.25);
}
.cta-left h2{font-size:30px;font-weight:800;line-height:1.3;margin-bottom:14px;}
.cta-left p{font-size:15px;color:rgba(255,255,255,0.8);line-height:1.8;margin-bottom:26px;}
.cta-points{display:flex;flex-direction:column;gap:14px;list-style:none;}
.cta-points li{
  display:flex;align-items:flex-start;gap:12px;
  font-size:14px;line-height:1.6;color:rgba(255,255,255,0.92);
}
.cta-points li i{
  color:var(--accent);font-size:15px;margin-top:3px;
  width:22px;height:22px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(217,154,61,0.15);border-radius:50%;
}
.cta-points li strong{display:block;font-weight:700;color:#fff;font-size:15px;}
.cta-points li span{font-size:13px;color:rgba(255,255,255,0.65);}
.cta-form-card{
  background:#fff;border-radius:20px;
  padding:32px 34px;box-shadow:0 18px 40px rgba(0,0,0,0.2);
}
.cta-form-card h3{font-size:20px;font-weight:800;color:var(--brand-ink);margin-bottom:6px;}
.cta-form-card>p{font-size:13px;color:var(--muted);margin-bottom:22px;}
.form-group{margin-bottom:16px;}
.form-group label{
  display:block;font-size:13px;font-weight:600;color:var(--ink);
  margin-bottom:6px;
}
.form-group input,.form-group textarea{
  width:100%;border:1px solid rgba(12,43,37,0.14);
  border-radius:12px;padding:12px 16px;font-size:14px;
  background:var(--surface);transition:all .2s;outline:none;
  color:var(--ink);
}
.form-group input:focus,.form-group textarea:focus{
  border-color:var(--brand-main);
  box-shadow:0 0 0 3px rgba(13,138,106,0.14);
  background:#fff;
}
.form-group textarea{resize:vertical;min-height:80px;}
.form-success{
  text-align:center;padding:36px 10px;
}
.form-success i{font-size:44px;color:var(--brand-main);margin-bottom:14px;}
.form-success h4{font-size:18px;font-weight:800;color:var(--brand-ink);margin-bottom:6px;}
.form-success p{font-size:13px;color:var(--muted);}
@media(max-width:1024px){
  .cta-card{grid-template-columns:1fr;padding:36px;}
}
@media(max-width:520px){
  .cta-card{padding:26px 20px;}
  .cta-form-card{padding:24px;}
}

/* 分类互链 */
.chip-links{
  display:flex;flex-wrap:wrap;justify-content:center;gap:14px;
  padding:20px 0;
}
.chip-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 30px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--brand-deep);
  background:#fff;border:1px solid var(--line);
  transition:all .25s;min-height:46px;
}
.chip-link:hover{border-color:var(--brand-main);box-shadow:var(--shadow-sm);transform:translateY(-2px);}
.chip-link.active{background:var(--brand-deep);color:#fff;border-color:var(--brand-deep);}
.chip-link i{font-size:12px;opacity:.7;}

/* 页脚 */
.footer-main{
  background:var(--brand-ink);
  color:rgba(255,255,255,0.8);
  border-top:2px solid transparent;
  border-image:linear-gradient(90deg,var(--accent),var(--brand-main)) 1;
  margin-top:40px;
}
.footer-title{
  font-size:12px;font-weight:700;letter-spacing:1px;
  color:rgba(255,255,255,0.45);
  text-transform:uppercase;margin-bottom:18px;
}
.footer-main ul{list-style:none;}
.footer-main ul li{margin-bottom:2px;}
.footer-main ul a{
  display:inline-flex;align-items:center;
  font-size:14px;color:rgba(255,255,255,0.6);
  padding:6px 0;transition:all .2s;min-height:40px;
}
.footer-main ul a:hover{color:var(--accent);padding-left:4px;}
.footer-copy{
  border-top:1px solid rgba(255,255,255,0.08);
  padding:22px 0;margin-top:20px;
  text-align:center;font-size:13px;
  color:rgba(255,255,255,0.4);
}
.footer-copy a{color:rgba(255,255,255,0.5);}
.footer-copy a:hover{color:var(--accent);}

/* 焦点可见 */
a:focus-visible,button:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;
}

/* 滚动条微调 */
::-webkit-scrollbar{width:10px;}
::-webkit-scrollbar-track{background:var(--surface);}
::-webkit-scrollbar-thumb{background:rgba(6,78,59,0.3);border-radius:8px;}
::-webkit-scrollbar-thumb:hover{background:rgba(6,78,59,0.5);}